include/api.php

   1 <?php
   2 /**
   3  * @file include/api.php
   4  * Friendica implementation of statusnet/twitter API
   5  *
   6  * @todo Automatically detect if incoming data is HTML or BBCode
   7  */
   8         require_once('include/HTTPExceptions.php');
   9
  10         require_once('include/bbcode.php');
  11         require_once('include/datetime.php');
  12         require_once('include/conversation.php');
  13         require_once('include/oauth.php');
  14         require_once('include/html2plain.php');
  15         require_once('mod/share.php');
  16         require_once('include/Photo.php');
  17         require_once('mod/item.php');
  18         require_once('include/security.php');
  19         require_once('include/contact_selectors.php');
  20         require_once('include/html2bbcode.php');
  21         require_once('mod/wall_upload.php');
  22         require_once('mod/proxy.php');
  23         require_once('include/message.php');
  24         require_once('include/group.php');
  25         require_once('include/like.php');
  26         require_once('include/NotificationsManager.php');
  27         require_once('include/plaintext.php');
  28         require_once('include/xml.php');
  29
  30
  31         define('API_METHOD_ANY','*');
  32         define('API_METHOD_GET','GET');
  33         define('API_METHOD_POST','POST,PUT');
  34         define('API_METHOD_DELETE','POST,DELETE');
  35
  36
  37
  38         $API = Array();
  39         $called_api = Null;
  40
  41         /**
  42          * @brief Auth API user
  43          *
  44          * It is not sufficient to use local_user() to check whether someone is allowed to use the API,
  45          * because this will open CSRF holes (just embed an image with src=friendicasite.com/api/statuses/update?status=CSRF
  46          * into a page, and visitors will post something without noticing it).
  47          */
  48         function api_user() {
  49                 if ($_SESSION['allow_api'])
  50                         return local_user();
  51
  52                 return false;
  53         }
  54
  55         /**
  56          * @brief Get source name from API client
  57          *
  58          * Clients can send 'source' parameter to be show in post metadata
  59          * as "sent via <source>".
  60          * Some clients doesn't send a source param, we support ones we know
  61          * (only Twidere, atm)
  62          *
  63          * @return string
  64          *              Client source name, default to "api" if unset/unknown
  65          */
  66         function api_source() {
  67                 if (requestdata('source'))
  68                         return (requestdata('source'));
  69
  70                 // Support for known clients that doesn't send a source name
  71                 if (strstr($_SERVER['HTTP_USER_AGENT'], "Twidere"))
  72                         return ("Twidere");
  73
  74                 logger("Unrecognized user-agent ".$_SERVER['HTTP_USER_AGENT'], LOGGER_DEBUG);
  75
  76                 return ("api");
  77         }
  78
  79         /**
  80          * @brief Format date for API
  81          *
  82          * @param string $str Source date, as UTC
  83          * @return string Date in UTC formatted as "D M d H:i:s +0000 Y"
  84          */
  85         function api_date($str){
  86                 //Wed May 23 06:01:13 +0000 2007
  87                 return datetime_convert('UTC', 'UTC', $str, "D M d H:i:s +0000 Y" );
  88         }
  89
  90         /**
  91          * @brief Register API endpoint
  92          *
  93          * Register a function to be the endpont for defined API path.
  94          *
  95          * @param string $path API URL path, relative to App::get_baseurl()
  96          * @param string $func Function name to call on path request
  97          * @param bool $auth API need logged user
  98          * @param string $method
  99          *      HTTP method reqiured to call this endpoint.
 100          *      One of API_METHOD_ANY, API_METHOD_GET, API_METHOD_POST.
 101          *  Default to API_METHOD_ANY
 102          */
 103         function api_register_func($path, $func, $auth=false, $method=API_METHOD_ANY){
 104                 global $API;
 105                 $API[$path] = array(
 106                         'func'=>$func,
 107                         'auth'=>$auth,
 108                         'method'=> $method
 109                 );
 110
 111                 // Workaround for hotot
 112                 $path = str_replace("api/", "api/1.1/", $path);
 113                 $API[$path] = array(
 114                         'func'=>$func,
 115                         'auth'=>$auth,
 116                         'method'=> $method
 117                 );
 118         }
 119
 120         /**
 121          * @brief Login API user
 122          *
 123          * Log in user via OAuth1 or Simple HTTP Auth.
 124          * Simple Auth allow username in form of <pre>user@server</pre>, ignoring server part
 125          *
 126          * @param App $a
 127          * @hook 'authenticate'
 128          *              array $addon_auth
 129          *                      'username' => username from login form
 130          *                      'password' => password from login form
 131          *                      'authenticated' => return status,
 132          *                      'user_record' => return authenticated user record
 133          * @hook 'logged_in'
 134          *              array $user     logged user record
 135          */
 136         function api_login(&$a){
 137                 // login with oauth
 138                 try{
 139                         $oauth = new FKOAuth1();
 140                         list($consumer,$token) = $oauth->verify_request(OAuthRequest::from_request());
 141                         if (!is_null($token)){
 142                                 $oauth->loginUser($token->uid);
 143                                 call_hooks('logged_in', $a->user);
 144                                 return;
 145                         }
 146                         echo __file__.__line__.__function__."<pre>"; var_dump($consumer, $token); die();
 147                 }catch(Exception $e){
 148                         logger($e);
 149                 }
 150
 151
 152
 153                 // workaround for HTTP-auth in CGI mode
 154                 if(x($_SERVER,'REDIRECT_REMOTE_USER')) {
 155                         $userpass = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"],6)) ;
 156                         if(strlen($userpass)) {
 157                                 list($name, $password) = explode(':', $userpass);
 158                                 $_SERVER['PHP_AUTH_USER'] = $name;
 159                                 $_SERVER['PHP_AUTH_PW'] = $password;
 160                         }
 161                 }
 162
 163                 if (!isset($_SERVER['PHP_AUTH_USER'])) {
 164                         logger('API_login: ' . print_r($_SERVER,true), LOGGER_DEBUG);
 165                         header('WWW-Authenticate: Basic realm="Friendica"');
 166                         throw new UnauthorizedException("This API requires login");
 167                 }
 168
 169                 $user = $_SERVER['PHP_AUTH_USER'];
 170                 $password = $_SERVER['PHP_AUTH_PW'];
 171                 $encrypted = hash('whirlpool',trim($password));
 172
 173                 // allow "user@server" login (but ignore 'server' part)
 174                 $at=strstr($user, "@", true);
 175                 if ( $at ) $user=$at;
 176
 177                 /**
 178                  *  next code from mod/auth.php. needs better solution
 179                  */
 180                 $record = null;
 181
 182                 $addon_auth = array(
 183                         'username' => trim($user),
 184                         'password' => trim($password),
 185                         'authenticated' => 0,
 186                         'user_record' => null
 187                 );
 188
 189                 /**
 190                  *
 191                  * A plugin indicates successful login by setting 'authenticated' to non-zero value and returning a user record
 192                  * Plugins should never set 'authenticated' except to indicate success - as hooks may be chained
 193                  * and later plugins should not interfere with an earlier one that succeeded.
 194                  *
 195                  */
 196
 197                 call_hooks('authenticate', $addon_auth);
 198
 199                 if(($addon_auth['authenticated']) && (count($addon_auth['user_record']))) {
 200                         $record = $addon_auth['user_record'];
 201                 }
 202                 else {
 203                         // process normal login request
 204
 205                         $r = q("SELECT * FROM `user` WHERE (`email` = '%s' OR `nickname` = '%s')
 206                                 AND `password` = '%s' AND NOT `blocked` AND NOT `account_expired` AND NOT `account_removed` AND `verified` LIMIT 1",
 207                                 dbesc(trim($user)),
 208                                 dbesc(trim($user)),
 209                                 dbesc($encrypted)
 210                         );
 211                         if(count($r))
 212                                 $record = $r[0];
 213                 }
 214
 215                 if((! $record) || (! count($record))) {
 216                         logger('API_login failure: ' . print_r($_SERVER,true), LOGGER_DEBUG);
 217                         header('WWW-Authenticate: Basic realm="Friendica"');
 218                         #header('HTTP/1.0 401 Unauthorized');
 219                         #die('This api requires login');
 220                         throw new UnauthorizedException("This API requires login");
 221                 }
 222
 223                 authenticate_success($record);
 224
 225                 $_SESSION["allow_api"] = true;
 226
 227                 call_hooks('logged_in', $a->user);
 228
 229         }
 230
 231         /**
 232          * @brief Check HTTP method of called API
 233          *
 234          * API endpoints can define which HTTP method to accept when called.
 235          * This function check the current HTTP method agains endpoint
 236          * registered method.
 237          *
 238          * @param string $method Required methods, uppercase, separated by comma
 239          * @return bool
 240          */
 241          function api_check_method($method) {
 242                 if ($method=="*") return True;
 243                 return strpos($method, $_SERVER['REQUEST_METHOD']) !== false;
 244          }
 245
 246         /**
 247          * @brief Main API entry point
 248          *
 249          * Authenticate user, call registered API function, set HTTP headers
 250          *
 251          * @param App $a
 252          * @return string API call result
 253          */
 254         function api_call(&$a){
 255                 GLOBAL $API, $called_api;
 256
 257                 $type="json";
 258                 if (strpos($a->query_string, ".xml")>0) $type="xml";
 259                 if (strpos($a->query_string, ".json")>0) $type="json";
 260                 if (strpos($a->query_string, ".rss")>0) $type="rss";
 261                 if (strpos($a->query_string, ".atom")>0) $type="atom";
 262                 try {
 263                         foreach ($API as $p=>$info){
 264                                 if (strpos($a->query_string, $p)===0){
 265                                         if (!api_check_method($info['method'])){
 266                                                 throw new MethodNotAllowedException();
 267                                         }
 268
 269                                         $called_api= explode("/",$p);
 270                                         //unset($_SERVER['PHP_AUTH_USER']);
 271                                         if ($info['auth']===true && api_user()===false) {
 272                                                         api_login($a);
 273                                         }
 274
 275                                         logger('API call for ' . $a->user['username'] . ': ' . $a->query_string);
 276                                         logger('API parameters: ' . print_r($_REQUEST,true));
 277
 278                                         $stamp =  microtime(true);
 279                                         $r = call_user_func($info['func'], $type);
 280                                         $duration = (float)(microtime(true)-$stamp);
 281                                         logger("API call duration: ".round($duration, 2)."\t".$a->query_string, LOGGER_DEBUG);
 282
 283                                         if ($r===false) {
 284                                                 // api function returned false withour throw an
 285                                                 // exception. This should not happend, throw a 500
 286                                                 throw new InternalServerErrorException();
 287                                         }
 288
 289                                         switch($type){
 290                                                 case "xml":
 291                                                         header ("Content-Type: text/xml");
 292                                                         return $r;
 293                                                         break;
 294                                                 case "json":
 295                                                         header ("Content-Type: application/json");
 296                                                         foreach($r as $rr)
 297                                                                 $json = json_encode($rr);
 298                                                                 if ($_GET['callback'])
 299                                                                         $json = $_GET['callback']."(".$json.")";
 300                                                                 return $json;
 301                                                         break;
 302                                                 case "rss":
 303                                                         header ("Content-Type: application/rss+xml");
 304                                                         return '<?xml version="1.0" encoding="UTF-8"?>'."\n".$r;
 305                                                         break;
 306                                                 case "atom":
 307                                                         header ("Content-Type: application/atom+xml");
 308                                                         return '<?xml version="1.0" encoding="UTF-8"?>'."\n".$r;
 309                                                         break;
 310
 311                                         }
 312                                 }
 313                         }
 314                         throw new NotImplementedException();
 315                 } catch (HTTPException $e) {
 316                         header("HTTP/1.1 {$e->httpcode} {$e->httpdesc}");
 317                         return api_error($type, $e);
 318                 }
 319         }
 320
 321         /**
 322          * @brief Format API error string
 323          *
 324          * @param string $type Return type (xml, json, rss, as)
 325          * @param HTTPException $error Error object
 326          * @return strin error message formatted as $type
 327          */
 328         function api_error($type, $e) {
 329
 330                 $a = get_app();
 331
 332                 $error = ($e->getMessage()!==""?$e->getMessage():$e->httpdesc);
 333                 # TODO:  https://dev.twitter.com/overview/api/response-codes
 334
 335                 $error = array("error" => $error,
 336                                 "code" => $e->httpcode." ".$e->httpdesc,
 337                                 "request" => $a->query_string);
 338
 339                 $ret = api_format_data('status', $type, array('status' => $error));
 340
 341                 switch($type){
 342                         case "xml":
 343                                 header ("Content-Type: text/xml");
 344                                 return $ret;
 345                                 break;
 346                         case "json":
 347                                 header ("Content-Type: application/json");
 348                                 return json_encode($ret);
 349                                 break;
 350                         case "rss":
 351                                 header ("Content-Type: application/rss+xml");
 352                                 return $ret;
 353                                 break;
 354                         case "atom":
 355                                 header ("Content-Type: application/atom+xml");
 356                                 return $ret;
 357                                 break;
 358                 }
 359         }
 360
 361         /**
 362          * @brief Set values for RSS template
 363          *
 364          * @param App $a
 365          * @param array $arr Array to be passed to template
 366          * @param array $user_info
 367          * @return array
 368          */
 369         function api_rss_extra(&$a, $arr, $user_info){
 370                 if (is_null($user_info)) $user_info = api_get_user($a);
 371                 $arr['$user'] = $user_info;
 372                 $arr['$rss'] = array(
 373                         'alternate' => $user_info['url'],
 374                         'self' => App::get_baseurl(). "/". $a->query_string,
 375                         'base' => App::get_baseurl(),
 376                         'updated' => api_date(null),
 377                         'atom_updated' => datetime_convert('UTC','UTC','now',ATOM_TIME),
 378                         'language' => $user_info['language'],
 379                         'logo'  => App::get_baseurl()."/images/friendica-32.png",
 380                 );
 381
 382                 return $arr;
 383         }
 384
 385
 386         /**
 387          * @brief Unique contact to contact url.
 388          *
 389          * @param int $id Contact id
 390          * @return bool|string
 391          *              Contact url or False if contact id is unknown
 392          */
 393         function api_unique_id_to_url($id){
 394                 $r = q("SELECT `url` FROM `gcontact` WHERE `id`=%d LIMIT 1",
 395                         intval($id));
 396                 if ($r)
 397                         return ($r[0]["url"]);
 398                 else
 399                         return false;
 400         }
 401
 402         /**
 403          * @brief Get user info array.
 404          *
 405          * @param Api $a
 406          * @param int|string $contact_id Contact ID or URL
 407          * @param string $type Return type (for errors)
 408          */
 409         function api_get_user(&$a, $contact_id = Null, $type = "json"){
 410                 global $called_api;
 411                 $user = null;
 412                 $extra_query = "";
 413                 $url = "";
 414                 $nick = "";
 415
 416                 logger("api_get_user: Fetching user data for user ".$contact_id, LOGGER_DEBUG);
 417
 418                 // Searching for contact URL
 419                 if(!is_null($contact_id) AND (intval($contact_id) == 0)){
 420                         $user = dbesc(normalise_link($contact_id));
 421                         $url = $user;
 422                         $extra_query = "AND `contact`.`nurl` = '%s' ";
 423                         if (api_user()!==false)  $extra_query .= "AND `contact`.`uid`=".intval(api_user());
 424                 }
 425
 426                 // Searching for unique contact id
 427                 if(!is_null($contact_id) AND (intval($contact_id) != 0)){
 428                         $user = dbesc(api_unique_id_to_url($contact_id));
 429
 430                         if ($user == "")
 431                                 throw new BadRequestException("User not found.");
 432
 433                         $url = $user;
 434                         $extra_query = "AND `contact`.`nurl` = '%s' ";
 435                         if (api_user()!==false)  $extra_query .= "AND `contact`.`uid`=".intval(api_user());
 436                 }
 437
 438                 if(is_null($user) && x($_GET, 'user_id')) {
 439                         $user = dbesc(api_unique_id_to_url($_GET['user_id']));
 440
 441                         if ($user == "")
 442                                 throw new BadRequestException("User not found.");
 443
 444                         $url = $user;
 445                         $extra_query = "AND `contact`.`nurl` = '%s' ";
 446                         if (api_user()!==false)  $extra_query .= "AND `contact`.`uid`=".intval(api_user());
 447                 }
 448                 if(is_null($user) && x($_GET, 'screen_name')) {
 449                         $user = dbesc($_GET['screen_name']);
 450                         $nick = $user;
 451                         $extra_query = "AND `contact`.`nick` = '%s' ";
 452                         if (api_user()!==false)  $extra_query .= "AND `contact`.`uid`=".intval(api_user());
 453                 }
 454
 455                 if (is_null($user) AND ($a->argc > (count($called_api)-1)) AND (count($called_api) > 0)){
 456                         $argid = count($called_api);
 457                         list($user, $null) = explode(".",$a->argv[$argid]);
 458                         if(is_numeric($user)){
 459                                 $user = dbesc(api_unique_id_to_url($user));
 460
 461                                 if ($user == "")
 462                                         return false;
 463
 464                                 $url = $user;
 465                                 $extra_query = "AND `contact`.`nurl` = '%s' ";
 466                                 if (api_user()!==false)  $extra_query .= "AND `contact`.`uid`=".intval(api_user());
 467                         } else {
 468                                 $user = dbesc($user);
 469                                 $nick = $user;
 470                                 $extra_query = "AND `contact`.`nick` = '%s' ";
 471                                 if (api_user()!==false)  $extra_query .= "AND `contact`.`uid`=".intval(api_user());
 472                         }
 473                 }
 474
 475                 logger("api_get_user: user ".$user, LOGGER_DEBUG);
 476
 477                 if (!$user) {
 478                         if (api_user()===false) {
 479                                 api_login($a);
 480                                 return False;
 481                         } else {
 482                                 $user = $_SESSION['uid'];
 483                                 $extra_query = "AND `contact`.`uid` = %d AND `contact`.`self` ";
 484                         }
 485
 486                 }
 487
 488                 logger('api_user: ' . $extra_query . ', user: ' . $user);
 489                 // user info
 490                 $uinfo = q("SELECT *, `contact`.`id` as `cid` FROM `contact`
 491                                 WHERE 1
 492                                 $extra_query",
 493                                 $user
 494                 );
 495
 496                 // Selecting the id by priority, friendica first
 497                 api_best_nickname($uinfo);
 498
 499                 // if the contact wasn't found, fetch it from the unique contacts
 500                 if (count($uinfo)==0) {
 501                         $r = array();
 502
 503                         if ($url != "")
 504                                 $r = q("SELECT * FROM `gcontact` WHERE `nurl`='%s' LIMIT 1", dbesc(normalise_link($url)));
 505
 506                         if ($r) {
 507                                 // If no nick where given, extract it from the address
 508                                 if (($r[0]['nick'] == "") OR ($r[0]['name'] == $r[0]['nick']))
 509                                         $r[0]['nick'] = api_get_nick($r[0]["url"]);
 510
 511                                 $ret = array(
 512                                         'id' => $r[0]["id"],
 513                                         'id_str' => (string) $r[0]["id"],
 514                                         'name' => $r[0]["name"],
 515                                         'screen_name' => (($r[0]['nick']) ? $r[0]['nick'] : $r[0]['name']),
 516                                         'location' => $r[0]["location"],
 517                                         'description' => $r[0]["about"],
 518                                         'url' => $r[0]["url"],
 519                                         'protected' => false,
 520                                         'followers_count' => 0,
 521                                         'friends_count' => 0,
 522                                         'listed_count' => 0,
 523                                         'created_at' => api_date($r[0]["created"]),
 524                                         'favourites_count' => 0,
 525                                         'utc_offset' => 0,
 526                                         'time_zone' => 'UTC',
 527                                         'geo_enabled' => false,
 528                                         'verified' => false,
 529                                         'statuses_count' => 0,
 530                                         'lang' => '',
 531                                         'contributors_enabled' => false,
 532                                         'is_translator' => false,
 533                                         'is_translation_enabled' => false,
 534                                         'profile_image_url' => $r[0]["photo"],
 535                                         'profile_image_url_https' => $r[0]["photo"],
 536                                         'following' => false,
 537                                         'follow_request_sent' => false,
 538                                         'notifications' => false,
 539                                         'statusnet_blocking' => false,
 540                                         'notifications' => false,
 541                                         'statusnet_profile_url' => $r[0]["url"],
 542                                         'uid' => 0,
 543                                         'cid' => get_contact($r[0]["url"], api_user()),
 544                                         'self' => 0,
 545                                         'network' => $r[0]["network"],
 546                                 );
 547
 548                                 return $ret;
 549                         } else {
 550                                 throw new BadRequestException("User not found.");
 551                         }
 552                 }
 553
 554                 if($uinfo[0]['self']) {
 555
 556                         if ($uinfo[0]['network'] == "")
 557                                 $uinfo[0]['network'] = NETWORK_DFRN;
 558
 559                         $usr = q("select * from user where uid = %d limit 1",
 560                                 intval(api_user())
 561                         );
 562                         $profile = q("select * from profile where uid = %d and `is-default` = 1 limit 1",
 563                                 intval(api_user())
 564                         );
 565
 566                         //AND `allow_cid`='' AND `allow_gid`='' AND `deny_cid`='' AND `deny_gid`=''",
 567                         // count public wall messages
 568                         $r = q("SELECT count(*) as `count` FROM `item`
 569                                         WHERE  `uid` = %d
 570                                         AND `type`='wall'",
 571                                         intval($uinfo[0]['uid'])
 572                         );
 573                         $countitms = $r[0]['count'];
 574                 }
 575                 else {
 576                         //AND `allow_cid`='' AND `allow_gid`='' AND `deny_cid`='' AND `deny_gid`=''",
 577                         $r = q("SELECT count(*) as `count` FROM `item`
 578                                         WHERE  `contact-id` = %d",
 579                                         intval($uinfo[0]['id'])
 580                         );
 581                         $countitms = $r[0]['count'];
 582                 }
 583
 584                 // count friends
 585                 $r = q("SELECT count(*) as `count` FROM `contact`
 586                                 WHERE  `uid` = %d AND `rel` IN ( %d, %d )
 587                                 AND `self`=0 AND `blocked`=0 AND `pending`=0 AND `hidden`=0",
 588                                 intval($uinfo[0]['uid']),
 589                                 intval(CONTACT_IS_SHARING),
 590                                 intval(CONTACT_IS_FRIEND)
 591                 );
 592                 $countfriends = $r[0]['count'];
 593
 594                 $r = q("SELECT count(*) as `count` FROM `contact`
 595                                 WHERE  `uid` = %d AND `rel` IN ( %d, %d )
 596                                 AND `self`=0 AND `blocked`=0 AND `pending`=0 AND `hidden`=0",
 597                                 intval($uinfo[0]['uid']),
 598                                 intval(CONTACT_IS_FOLLOWER),
 599                                 intval(CONTACT_IS_FRIEND)
 600                 );
 601                 $countfollowers = $r[0]['count'];
 602
 603                 $r = q("SELECT count(*) as `count` FROM item where starred = 1 and uid = %d and deleted = 0",
 604                         intval($uinfo[0]['uid'])
 605                 );
 606                 $starred = $r[0]['count'];
 607
 608
 609                 if(! $uinfo[0]['self']) {
 610                         $countfriends = 0;
 611                         $countfollowers = 0;
 612                         $starred = 0;
 613                 }
 614
 615                 // Add a nick if it isn't present there
 616                 if (($uinfo[0]['nick'] == "") OR ($uinfo[0]['name'] == $uinfo[0]['nick'])) {
 617                         $uinfo[0]['nick'] = api_get_nick($uinfo[0]["url"]);
 618                 }
 619
 620                 $network_name = network_to_name($uinfo[0]['network'], $uinfo[0]['url']);
 621
 622                 $gcontact_id  = get_gcontact_id(array("url" => $uinfo[0]['url'], "network" => $uinfo[0]['network'],
 623                                                         "photo" => $uinfo[0]['micro'], "name" => $uinfo[0]['name']));
 624
 625                 $ret = Array(
 626                         'id' => intval($gcontact_id),
 627                         'id_str' => (string) intval($gcontact_id),
 628                         'name' => (($uinfo[0]['name']) ? $uinfo[0]['name'] : $uinfo[0]['nick']),
 629                         'screen_name' => (($uinfo[0]['nick']) ? $uinfo[0]['nick'] : $uinfo[0]['name']),
 630                         'location' => ($usr) ? $usr[0]['default-location'] : $network_name,
 631                         'description' => (($profile) ? $profile[0]['pdesc'] : NULL),
 632                         'profile_image_url' => $uinfo[0]['micro'],
 633                         'profile_image_url_https' => $uinfo[0]['micro'],
 634                         'url' => $uinfo[0]['url'],
 635                         'protected' => false,
 636                         'followers_count' => intval($countfollowers),
 637                         'friends_count' => intval($countfriends),
 638                         'created_at' => api_date($uinfo[0]['created']),
 639                         'favourites_count' => intval($starred),
 640                         'utc_offset' => "0",
 641                         'time_zone' => 'UTC',
 642                         'statuses_count' => intval($countitms),
 643                         'following' => (($uinfo[0]['rel'] == CONTACT_IS_FOLLOWER) OR ($uinfo[0]['rel'] == CONTACT_IS_FRIEND)),
 644                         'verified' => true,
 645                         'statusnet_blocking' => false,
 646                         'notifications' => false,
 647                         //'statusnet_profile_url' => App::get_baseurl()."/contacts/".$uinfo[0]['cid'],
 648                         'statusnet_profile_url' => $uinfo[0]['url'],
 649                         'uid' => intval($uinfo[0]['uid']),
 650                         'cid' => intval($uinfo[0]['cid']),
 651                         'self' => $uinfo[0]['self'],
 652                         'network' => $uinfo[0]['network'],
 653                 );
 654
 655                 return $ret;
 656
 657         }
 658
 659         /**
 660          * @brief return api-formatted array for item's author and owner
 661          *
 662          * @param App $a
 663          * @param array $item : item from db
 664          * @return array(array:author, array:owner)
 665          */
 666         function api_item_get_user(&$a, $item) {
 667
 668                 // Make sure that there is an entry in the global contacts for author and owner
 669                 get_gcontact_id(array("url" => $item['author-link'], "network" => $item['network'],
 670                                         "photo" => $item['author-avatar'], "name" => $item['author-name']));
 671
 672                 get_gcontact_id(array("url" => $item['owner-link'], "network" => $item['network'],
 673                                         "photo" => $item['owner-avatar'], "name" => $item['owner-name']));
 674
 675                 $status_user = api_get_user($a,$item["author-link"]);
 676                 $status_user["protected"] = (($item["allow_cid"] != "") OR
 677                                                 ($item["allow_gid"] != "") OR
 678                                                 ($item["deny_cid"] != "") OR
 679                                                 ($item["deny_gid"] != "") OR
 680                                                 $item["private"]);
 681
 682                 $owner_user = api_get_user($a,$item["owner-link"]);
 683
 684                 return (array($status_user, $owner_user));
 685         }
 686
 687         /**
 688          * @brief walks recursively through an array with the possibility to change value and key
 689          *
 690          * @param array $array The array to walk through
 691          * @param string $callback The callback function
 692          *
 693          * @return array the transformed array
 694          */
 695         function api_walk_recursive(array &$array, callable $callback) {
 696
 697                 $new_array = array();
 698
 699                 foreach ($array as $k => $v) {
 700                         if (is_array($v)) {
 701                                 if ($callback($v, $k))
 702                                         $new_array[$k] = api_walk_recursive($v, $callback);
 703                         } else {
 704                                 if ($callback($v, $k))
 705                                         $new_array[$k] = $v;
 706                         }
 707                 }
 708                 $array = $new_array;
 709
 710                 return $array;
 711         }
 712
 713         /**
 714          * @brief Callback function to transform the array in an array that can be transformed in a XML file
 715          *
 716          * @param variant $item Array item value
 717          * @param string $key Array key
 718          *
 719          * @return boolean Should the array item be deleted?
 720          */
 721         function api_reformat_xml(&$item, &$key) {
 722                 if (is_bool($item))
 723                         $item = ($item ? "true" : "false");
 724
 725                 if (substr($key, 0, 10) == "statusnet_")
 726                         $key = "statusnet:".substr($key, 10);
 727                 elseif (substr($key, 0, 10) == "friendica_")
 728                         $key = "friendica:".substr($key, 10);
 729                 //else
 730                 //      $key = "default:".$key;
 731
 732                 return true;
 733         }
 734
 735         /**
 736          * @brief Creates the XML from a JSON style array
 737          *
 738          * @param array $data JSON style array
 739          * @param string $root_element Name of the root element
 740          *
 741          * @return string The XML data
 742          */
 743         function api_create_xml($data, $root_element) {
 744                 $childname = key($data);
 745                 $data2 = array_pop($data);
 746                 $key = key($data2);
 747
 748                 $namespaces = array("" => "http://api.twitter.com",
 749                                         "statusnet" => "http://status.net/schema/api/1/",
 750                                         "friendica" => "http://friendi.ca/schema/api/1/",
 751                                         "georss" => "http://www.georss.org/georss");
 752
 753                 /// @todo Auto detection of needed namespaces
 754                 if (in_array($root_element, array("ok", "hash", "config", "version", "ids", "notes", "photos")))
 755                         $namespaces = array();
 756
 757                 if (is_array($data2))
 758                         api_walk_recursive($data2, "api_reformat_xml");
 759
 760                 if ($key == "0") {
 761                         $data4 = array();
 762                         $i = 1;
 763
 764                         foreach ($data2 AS $item)
 765                                 $data4[$i++.":".$childname] = $item;
 766
 767                         $data2 = $data4;
 768                 }
 769
 770                 $data3 = array($root_element => $data2);
 771
 772                 $ret = xml::from_array($data3, $xml, false, $namespaces);
 773                 return $ret;
 774         }
 775
 776         /**
 777          * @brief Formats the data according to the data type
 778          *
 779          * @param string $root_element Name of the root element
 780          * @param string $type Return type (atom, rss, xml, json)
 781          * @param array $data JSON style array
 782          *
 783          * @return (string|object) XML data or JSON data
 784          */
 785         function api_format_data($root_element, $type, $data){
 786
 787                 $a = get_app();
 788
 789                 switch($type){
 790                         case "atom":
 791                         case "rss":
 792                         case "xml":
 793                                 $ret = api_create_xml($data, $root_element);
 794                                 break;
 795                         case "json":
 796                                 $ret = $data;
 797                                 break;
 798                 }
 799
 800                 return $ret;
 801         }
 802
 803         /**
 804          ** TWITTER API
 805          */
 806
 807         /**
 808          * Returns an HTTP 200 OK response code and a representation of the requesting user if authentication was successful;
 809          * returns a 401 status code and an error message if not.
 810          * http://developer.twitter.com/doc/get/account/verify_credentials
 811          */
 812         function api_account_verify_credentials($type){
 813
 814                 $a = get_app();
 815
 816                 if (api_user()===false) throw new ForbiddenException();
 817
 818                 unset($_REQUEST["user_id"]);
 819                 unset($_GET["user_id"]);
 820
 821                 unset($_REQUEST["screen_name"]);
 822                 unset($_GET["screen_name"]);
 823
 824                 $skip_status = (x($_REQUEST,'skip_status')?$_REQUEST['skip_status']:false);
 825
 826                 $user_info = api_get_user($a);
 827
 828                 // "verified" isn't used here in the standard
 829                 unset($user_info["verified"]);
 830
 831                 // - Adding last status
 832                 if (!$skip_status) {
 833                         $user_info["status"] = api_status_show("raw");
 834                         if (!count($user_info["status"]))
 835                                 unset($user_info["status"]);
 836                         else
 837                                 unset($user_info["status"]["user"]);
 838                 }
 839
 840                 // "uid" and "self" are only needed for some internal stuff, so remove it from here
 841                 unset($user_info["uid"]);
 842                 unset($user_info["self"]);
 843
 844                 return api_format_data("user", $type, array('user' => $user_info));
 845
 846         }
 847         api_register_func('api/account/verify_credentials','api_account_verify_credentials', true);
 848
 849
 850         /**
 851          * get data from $_POST or $_GET
 852          */
 853         function requestdata($k){
 854                 if (isset($_POST[$k])){
 855                         return $_POST[$k];
 856                 }
 857                 if (isset($_GET[$k])){
 858                         return $_GET[$k];
 859                 }
 860                 return null;
 861         }
 862
 863 /*Waitman Gobble Mod*/
 864         function api_statuses_mediap($type) {
 865
 866                 $a = get_app();
 867
 868                 if (api_user()===false) {
 869                         logger('api_statuses_update: no user');
 870                         throw new ForbiddenException();
 871                 }
 872                 $user_info = api_get_user($a);
 873
 874                 $_REQUEST['type'] = 'wall';
 875                 $_REQUEST['profile_uid'] = api_user();
 876                 $_REQUEST['api_source'] = true;
 877                 $txt = requestdata('status');
 878                 //$txt = urldecode(requestdata('status'));
 879
 880                 if((strpos($txt,'<') !== false) || (strpos($txt,'>') !== false)) {
 881
 882                         $txt = html2bb_video($txt);
 883                         $config = HTMLPurifier_Config::createDefault();
 884                         $config->set('Cache.DefinitionImpl', null);
 885                         $purifier = new HTMLPurifier($config);
 886                         $txt = $purifier->purify($txt);
 887                 }
 888                 $txt = html2bbcode($txt);
 889
 890                 $a->argv[1]=$user_info['screen_name']; //should be set to username?
 891
 892                 $_REQUEST['hush']='yeah'; //tell wall_upload function to return img info instead of echo
 893                 $bebop = wall_upload_post($a);
 894
 895                 //now that we have the img url in bbcode we can add it to the status and insert the wall item.
 896                 $_REQUEST['body']=$txt."\n\n".$bebop;
 897                 item_post($a);
 898
 899                 // this should output the last post (the one we just posted).
 900                 return api_status_show($type);
 901         }
 902         api_register_func('api/statuses/mediap','api_statuses_mediap', true, API_METHOD_POST);
 903 /*Waitman Gobble Mod*/
 904
 905
 906         function api_statuses_update($type) {
 907
 908                 $a = get_app();
 909
 910                 if (api_user()===false) {
 911                         logger('api_statuses_update: no user');
 912                         throw new ForbiddenException();
 913                 }
 914
 915                 $user_info = api_get_user($a);
 916
 917                 // convert $_POST array items to the form we use for web posts.
 918
 919                 // logger('api_post: ' . print_r($_POST,true));
 920
 921                 if(requestdata('htmlstatus')) {
 922                         $txt = requestdata('htmlstatus');
 923                         if((strpos($txt,'<') !== false) || (strpos($txt,'>') !== false)) {
 924                                 $txt = html2bb_video($txt);
 925
 926                                 $config = HTMLPurifier_Config::createDefault();
 927                                 $config->set('Cache.DefinitionImpl', null);
 928
 929                                 $purifier = new HTMLPurifier($config);
 930                                 $txt = $purifier->purify($txt);
 931
 932                                 $_REQUEST['body'] = html2bbcode($txt);
 933                         }
 934
 935                 } else
 936                         $_REQUEST['body'] = requestdata('status');
 937
 938                 $_REQUEST['title'] = requestdata('title');
 939
 940                 $parent = requestdata('in_reply_to_status_id');
 941
 942                 // Twidere sends "-1" if it is no reply ...
 943                 if ($parent == -1)
 944                         $parent = "";
 945
 946                 if(ctype_digit($parent))
 947                         $_REQUEST['parent'] = $parent;
 948                 else
 949                         $_REQUEST['parent_uri'] = $parent;
 950
 951                 if(requestdata('lat') && requestdata('long'))
 952                         $_REQUEST['coord'] = sprintf("%s %s",requestdata('lat'),requestdata('long'));
 953                 $_REQUEST['profile_uid'] = api_user();
 954
 955                 if($parent)
 956                         $_REQUEST['type'] = 'net-comment';
 957                 else {
 958                         // Check for throttling (maximum posts per day, week and month)
 959                         $throttle_day = get_config('system','throttle_limit_day');
 960                         if ($throttle_day > 0) {
 961                                 $datefrom = date("Y-m-d H:i:s", time() - 24*60*60);
 962
 963                                 $r = q("SELECT COUNT(*) AS `posts_day` FROM `item` WHERE `uid`=%d AND `wall`
 964                                         AND `created` > '%s' AND `id` = `parent`",
 965                                         intval(api_user()), dbesc($datefrom));
 966
 967                                 if ($r)
 968                                         $posts_day = $r[0]["posts_day"];
 969                                 else
 970                                         $posts_day = 0;
 971
 972                                 if ($posts_day > $throttle_day) {
 973                                         logger('Daily posting limit reached for user '.api_user(), LOGGER_DEBUG);
 974                                         #die(api_error($type, sprintf(t("Daily posting limit of %d posts reached. The post was rejected."), $throttle_day)));
 975                                         throw new TooManyRequestsException(sprintf(t("Daily posting limit of %d posts reached. The post was rejected."), $throttle_day));
 976                                 }
 977                         }
 978
 979                         $throttle_week = get_config('system','throttle_limit_week');
 980                         if ($throttle_week > 0) {
 981                                 $datefrom = date("Y-m-d H:i:s", time() - 24*60*60*7);
 982
 983                                 $r = q("SELECT COUNT(*) AS `posts_week` FROM `item` WHERE `uid`=%d AND `wall`
 984                                         AND `created` > '%s' AND `id` = `parent`",
 985                                         intval(api_user()), dbesc($datefrom));
 986
 987                                 if ($r)
 988                                         $posts_week = $r[0]["posts_week"];
 989                                 else
 990                                         $posts_week = 0;
 991
 992                                 if ($posts_week > $throttle_week) {
 993                                         logger('Weekly posting limit reached for user '.api_user(), LOGGER_DEBUG);
 994                                         #die(api_error($type, sprintf(t("Weekly posting limit of %d posts reached. The post was rejected."), $throttle_week)));
 995                                         throw new TooManyRequestsException(sprintf(t("Weekly posting limit of %d posts reached. The post was rejected."), $throttle_week));
 996
 997                                 }
 998                         }
 999
1000                         $throttle_month = get_config('system','throttle_limit_month');
1001                         if ($throttle_month > 0) {
1002                                 $datefrom = date("Y-m-d H:i:s", time() - 24*60*60*30);
1003
1004                                 $r = q("SELECT COUNT(*) AS `posts_month` FROM `item` WHERE `uid`=%d AND `wall`
1005                                         AND `created` > '%s' AND `id` = `parent`",
1006                                         intval(api_user()), dbesc($datefrom));
1007
1008                                 if ($r)
1009                                         $posts_month = $r[0]["posts_month"];
1010                                 else
1011                                         $posts_month = 0;
1012
1013                                 if ($posts_month > $throttle_month) {
1014                                         logger('Monthly posting limit reached for user '.api_user(), LOGGER_DEBUG);
1015                                         #die(api_error($type, sprintf(t("Monthly posting limit of %d posts reached. The post was rejected."), $throttle_month)));
1016                                         throw new TooManyRequestsException(sprintf(t("Monthly posting limit of %d posts reached. The post was rejected."), $throttle_month));
1017                                 }
1018                         }
1019
1020                         $_REQUEST['type'] = 'wall';
1021                 }
1022
1023                 if(x($_FILES,'media')) {
1024                         // upload the image if we have one
1025                         $_REQUEST['hush']='yeah'; //tell wall_upload function to return img info instead of echo
1026                         $media = wall_upload_post($a);
1027                         if(strlen($media)>0)
1028                                 $_REQUEST['body'] .= "\n\n".$media;
1029                 }
1030
1031                 // To-Do: Multiple IDs
1032                 if (requestdata('media_ids')) {
1033                         $r = q("SELECT `resource-id`, `scale`, `nickname`, `type` FROM `photo` INNER JOIN `user` ON `user`.`uid` = `photo`.`uid` WHERE `resource-id` IN (SELECT `resource-id` FROM `photo` WHERE `id` = %d) AND `scale` > 0 AND `photo`.`uid` = %d ORDER BY `photo`.`width` DESC LIMIT 1",
1034                                 intval(requestdata('media_ids')), api_user());
1035                         if ($r) {
1036                                 $phototypes = Photo::supportedTypes();
1037                                 $ext = $phototypes[$r[0]['type']];
1038                                 $_REQUEST['body'] .= "\n\n".'[url='.App::get_baseurl().'/photos/'.$r[0]['nickname'].'/image/'.$r[0]['resource-id'].']';
1039                                 $_REQUEST['body'] .= '[img]'.App::get_baseurl()."/photo/".$r[0]['resource-id']."-".$r[0]['scale'].".".$ext."[/img][/url]";
1040                         }
1041                 }
1042
1043                 // set this so that the item_post() function is quiet and doesn't redirect or emit json
1044
1045                 $_REQUEST['api_source'] = true;
1046
1047                 if (!x($_REQUEST, "source"))
1048                         $_REQUEST["source"] = api_source();
1049
1050                 // call out normal post function
1051
1052                 item_post($a);
1053
1054                 // this should output the last post (the one we just posted).
1055                 return api_status_show($type);
1056         }
1057         api_register_func('api/statuses/update','api_statuses_update', true, API_METHOD_POST);
1058         api_register_func('api/statuses/update_with_media','api_statuses_update', true, API_METHOD_POST);
1059
1060
1061         function api_media_upload($type) {
1062
1063                 $a = get_app();
1064
1065                 if (api_user()===false) {
1066                         logger('no user');
1067                         throw new ForbiddenException();
1068                 }
1069
1070                 $user_info = api_get_user($a);
1071
1072                 if(!x($_FILES,'media')) {
1073                         // Output error
1074                         throw new BadRequestException("No media.");
1075                 }
1076
1077                 $media = wall_upload_post($a, false);
1078                 if(!$media) {
1079                         // Output error
1080                         throw new InternalServerErrorException();
1081                 }
1082
1083                 $returndata = array();
1084                 $returndata["media_id"] = $media["id"];
1085                 $returndata["media_id_string"] = (string)$media["id"];
1086                 $returndata["size"] = $media["size"];
1087                 $returndata["image"] = array("w" => $media["width"],
1088                                                 "h" => $media["height"],
1089                                                 "image_type" => $media["type"]);
1090
1091                 logger("Media uploaded: ".print_r($returndata, true), LOGGER_DEBUG);
1092
1093                 return array("media" => $returndata);
1094         }
1095         api_register_func('api/media/upload','api_media_upload', true, API_METHOD_POST);
1096
1097         function api_status_show($type){
1098
1099                 $a = get_app();
1100
1101                 $user_info = api_get_user($a);
1102
1103                 logger('api_status_show: user_info: '.print_r($user_info, true), LOGGER_DEBUG);
1104
1105                 if ($type == "raw")
1106                         $privacy_sql = "AND `item`.`allow_cid`='' AND `item`.`allow_gid`='' AND `item`.`deny_cid`='' AND `item`.`deny_gid`=''";
1107                 else
1108                         $privacy_sql = "";
1109
1110                 // get last public wall message
1111                 $lastwall = q("SELECT `item`.*, `i`.`contact-id` as `reply_uid`, `i`.`author-link` AS `item-author`
1112                                 FROM `item`, `item` as `i`
1113                                 WHERE `item`.`contact-id` = %d AND `item`.`uid` = %d
1114                                         AND ((`item`.`author-link` IN ('%s', '%s')) OR (`item`.`owner-link` IN ('%s', '%s')))
1115                                         AND `i`.`id` = `item`.`parent`
1116                                         AND `item`.`type`!='activity' $privacy_sql
1117                                 ORDER BY `item`.`id` DESC
1118                                 LIMIT 1",
1119                                 intval($user_info['cid']),
1120                                 intval(api_user()),
1121                                 dbesc($user_info['url']),
1122                                 dbesc(normalise_link($user_info['url'])),
1123                                 dbesc($user_info['url']),
1124                                 dbesc(normalise_link($user_info['url']))
1125                 );
1126
1127                 if (count($lastwall)>0){
1128                         $lastwall = $lastwall[0];
1129
1130                         $in_reply_to_status_id = NULL;
1131                         $in_reply_to_user_id = NULL;
1132                         $in_reply_to_status_id_str = NULL;
1133                         $in_reply_to_user_id_str = NULL;
1134                         $in_reply_to_screen_name = NULL;
1135                         if (intval($lastwall['parent']) != intval($lastwall['id'])) {
1136                                 $in_reply_to_status_id= intval($lastwall['parent']);
1137                                 $in_reply_to_status_id_str = (string) intval($lastwall['parent']);
1138
1139                                 $r = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($lastwall['item-author'])));
1140                                 if ($r) {
1141                                         if ($r[0]['nick'] == "")
1142                                                 $r[0]['nick'] = api_get_nick($r[0]["url"]);
1143
1144                                         $in_reply_to_screen_name = (($r[0]['nick']) ? $r[0]['nick'] : $r[0]['name']);
1145                                         $in_reply_to_user_id = intval($r[0]['id']);
1146                                         $in_reply_to_user_id_str = (string) intval($r[0]['id']);
1147                                 }
1148                         }
1149
1150                         // There seems to be situation, where both fields are identical:
1151                         // https://github.com/friendica/friendica/issues/1010
1152                         // This is a bugfix for that.
1153                         if (intval($in_reply_to_status_id) == intval($lastwall['id'])) {
1154                                 logger('api_status_show: this message should never appear: id: '.$lastwall['id'].' similar to reply-to: '.$in_reply_to_status_id, LOGGER_DEBUG);
1155                                 $in_reply_to_status_id = NULL;
1156                                 $in_reply_to_user_id = NULL;
1157                                 $in_reply_to_status_id_str = NULL;
1158                                 $in_reply_to_user_id_str = NULL;
1159                                 $in_reply_to_screen_name = NULL;
1160                         }
1161
1162                         $converted = api_convert_item($lastwall);
1163
1164                         if ($type == "xml")
1165                                 $geo = "georss:point";
1166                         else
1167                                 $geo = "geo";
1168
1169                         $status_info = array(
1170                                 'created_at' => api_date($lastwall['created']),
1171                                 'id' => intval($lastwall['id']),
1172                                 'id_str' => (string) $lastwall['id'],
1173                                 'text' => $converted["text"],
1174                                 'source' => (($lastwall['app']) ? $lastwall['app'] : 'web'),
1175                                 'truncated' => false,
1176                                 'in_reply_to_status_id' => $in_reply_to_status_id,
1177                                 'in_reply_to_status_id_str' => $in_reply_to_status_id_str,
1178                                 'in_reply_to_user_id' => $in_reply_to_user_id,
1179                                 'in_reply_to_user_id_str' => $in_reply_to_user_id_str,
1180                                 'in_reply_to_screen_name' => $in_reply_to_screen_name,
1181                                 'user' => $user_info,
1182                                 $geo => NULL,
1183                                 'coordinates' => "",
1184                                 'place' => "",
1185                                 'contributors' => "",
1186                                 'is_quote_status' => false,
1187                                 'retweet_count' => 0,
1188                                 'favorite_count' => 0,
1189                                 'favorited' => $lastwall['starred'] ? true : false,
1190                                 'retweeted' => false,
1191                                 'possibly_sensitive' => false,
1192                                 'lang' => "",
1193                                 'statusnet_html'                => $converted["html"],
1194                                 'statusnet_conversation_id'     => $lastwall['parent'],
1195                         );
1196
1197                         if (count($converted["attachments"]) > 0)
1198                                 $status_info["attachments"] = $converted["attachments"];
1199
1200                         if (count($converted["entities"]) > 0)
1201                                 $status_info["entities"] = $converted["entities"];
1202
1203                         if (($lastwall['item_network'] != "") AND ($status["source"] == 'web'))
1204                                 $status_info["source"] = network_to_name($lastwall['item_network'], $user_info['url']);
1205                         elseif (($lastwall['item_network'] != "") AND (network_to_name($lastwall['item_network'], $user_info['url']) != $status_info["source"]))
1206                                 $status_info["source"] = trim($status_info["source"].' ('.network_to_name($lastwall['item_network'], $user_info['url']).')');
1207
1208                         // "uid" and "self" are only needed for some internal stuff, so remove it from here
1209                         unset($status_info["user"]["uid"]);
1210                         unset($status_info["user"]["self"]);
1211                 }
1212
1213                 logger('status_info: '.print_r($status_info, true), LOGGER_DEBUG);
1214
1215                 if ($type == "raw")
1216                         return($status_info);
1217
1218                 return  api_format_data("statuses", $type, array('status' => $status_info));
1219
1220         }
1221
1222
1223
1224
1225
1226         /**
1227          * Returns extended information of a given user, specified by ID or screen name as per the required id parameter.
1228          * The author's most recent status will be returned inline.
1229          * http://developer.twitter.com/doc/get/users/show
1230          */
1231         function api_users_show($type){
1232
1233                 $a = get_app();
1234
1235                 $user_info = api_get_user($a);
1236                 $lastwall = q("SELECT `item`.*
1237                                 FROM `item`
1238                                 INNER JOIN `contact` ON `contact`.`id`=`item`.`contact-id` AND `contact`.`uid` = `item`.`uid`
1239                                 WHERE `item`.`uid` = %d AND `verb` = '%s' AND `item`.`contact-id` = %d
1240                                         AND ((`item`.`author-link` IN ('%s', '%s')) OR (`item`.`owner-link` IN ('%s', '%s')))
1241                                         AND `type`!='activity'
1242                                         AND `item`.`allow_cid`='' AND `item`.`allow_gid`='' AND `item`.`deny_cid`='' AND `item`.`deny_gid`=''
1243                                 ORDER BY `id` DESC
1244                                 LIMIT 1",
1245                                 intval(api_user()),
1246                                 dbesc(ACTIVITY_POST),
1247                                 intval($user_info['cid']),
1248                                 dbesc($user_info['url']),
1249                                 dbesc(normalise_link($user_info['url'])),
1250                                 dbesc($user_info['url']),
1251                                 dbesc(normalise_link($user_info['url']))
1252                 );
1253
1254                 if (count($lastwall)>0){
1255                         $lastwall = $lastwall[0];
1256
1257                         $in_reply_to_status_id = NULL;
1258                         $in_reply_to_user_id = NULL;
1259                         $in_reply_to_status_id_str = NULL;
1260                         $in_reply_to_user_id_str = NULL;
1261                         $in_reply_to_screen_name = NULL;
1262                         if ($lastwall['parent']!=$lastwall['id']) {
1263                                 $reply = q("SELECT `item`.`id`, `item`.`contact-id` as `reply_uid`, `contact`.`nick` as `reply_author`, `item`.`author-link` AS `item-author`
1264                                                 FROM `item`,`contact` WHERE `contact`.`id`=`item`.`contact-id` AND `item`.`id` = %d", intval($lastwall['parent']));
1265                                 if (count($reply)>0) {
1266                                         $in_reply_to_status_id = intval($lastwall['parent']);
1267                                         $in_reply_to_status_id_str = (string) intval($lastwall['parent']);
1268
1269                                         $r = q("SELECT * FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($reply[0]['item-author'])));
1270                                         if ($r) {
1271                                                 if ($r[0]['nick'] == "")
1272                                                         $r[0]['nick'] = api_get_nick($r[0]["url"]);
1273
1274                                                 $in_reply_to_screen_name = (($r[0]['nick']) ? $r[0]['nick'] : $r[0]['name']);
1275                                                 $in_reply_to_user_id = intval($r[0]['id']);
1276                                                 $in_reply_to_user_id_str = (string) intval($r[0]['id']);
1277                                         }
1278                                 }
1279                         }
1280
1281                         $converted = api_convert_item($lastwall);
1282
1283                         if ($type == "xml")
1284                                 $geo = "georss:point";
1285                         else
1286                                 $geo = "geo";
1287
1288                         $user_info['status'] = array(
1289                                 'text' => $converted["text"],
1290                                 'truncated' => false,
1291                                 'created_at' => api_date($lastwall['created']),
1292                                 'in_reply_to_status_id' => $in_reply_to_status_id,
1293                                 'in_reply_to_status_id_str' => $in_reply_to_status_id_str,
1294                                 'source' => (($lastwall['app']) ? $lastwall['app'] : 'web'),
1295                                 'id' => intval($lastwall['contact-id']),
1296                                 'id_str' => (string) $lastwall['contact-id'],
1297                                 'in_reply_to_user_id' => $in_reply_to_user_id,
1298                                 'in_reply_to_user_id_str' => $in_reply_to_user_id_str,
1299                                 'in_reply_to_screen_name' => $in_reply_to_screen_name,
1300                                 $geo => NULL,
1301                                 'favorited' => $lastwall['starred'] ? true : false,
1302                                 'statusnet_html'                => $converted["html"],
1303                                 'statusnet_conversation_id'     => $lastwall['parent'],
1304                         );
1305
1306                         if (count($converted["attachments"]) > 0)
1307                                 $user_info["status"]["attachments"] = $converted["attachments"];
1308
1309                         if (count($converted["entities"]) > 0)
1310                                 $user_info["status"]["entities"] = $converted["entities"];
1311
1312                         if (($lastwall['item_network'] != "") AND ($user_info["status"]["source"] == 'web'))
1313                                 $user_info["status"]["source"] = network_to_name($lastwall['item_network'], $user_info['url']);
1314                         if (($lastwall['item_network'] != "") AND (network_to_name($lastwall['item_network'], $user_info['url']) != $user_info["status"]["source"]))
1315                                 $user_info["status"]["source"] = trim($user_info["status"]["source"].' ('.network_to_name($lastwall['item_network'], $user_info['url']).')');
1316
1317                 }
1318
1319                 // "uid" and "self" are only needed for some internal stuff, so remove it from here
1320                 unset($user_info["uid"]);
1321                 unset($user_info["self"]);
1322
1323                 return  api_format_data("user", $type, array('user' => $user_info));
1324
1325         }
1326         api_register_func('api/users/show','api_users_show');
1327
1328
1329         function api_users_search($type) {
1330
1331                 $a = get_app();
1332
1333                 $page = (x($_REQUEST,'page')?$_REQUEST['page']-1:0);
1334
1335                 $userlist = array();
1336
1337                 if (isset($_GET["q"])) {
1338                         $r = q("SELECT id FROM `gcontact` WHERE `name`='%s'", dbesc($_GET["q"]));
1339                         if (!count($r))
1340                                 $r = q("SELECT `id` FROM `gcontact` WHERE `nick`='%s'", dbesc($_GET["q"]));
1341
1342                         if (count($r)) {
1343                                 $k = 0;
1344                                 foreach ($r AS $user) {
1345                                         $user_info = api_get_user($a, $user["id"], "json");
1346
1347                                         if ($type == "xml")
1348                                                 $userlist[$k++.":user"] = $user_info;
1349                                         else
1350                                                 $userlist[] = $user_info;
1351                                 }
1352                                 $userlist = array("users" => $userlist);
1353                         } else {
1354                                 throw new BadRequestException("User not found.");
1355                         }
1356                 } else {
1357                         throw new BadRequestException("User not found.");
1358                 }
1359                 return api_format_data("users", $type, $userlist);
1360         }
1361
1362         api_register_func('api/users/search','api_users_search');
1363
1364         /**
1365          *
1366          * http://developer.twitter.com/doc/get/statuses/home_timeline
1367          *
1368          * TODO: Optional parameters
1369          * TODO: Add reply info
1370          */
1371         function api_statuses_home_timeline($type){
1372
1373                 $a = get_app();
1374
1375                 if (api_user()===false) throw new ForbiddenException();
1376
1377                 unset($_REQUEST["user_id"]);
1378                 unset($_GET["user_id"]);
1379
1380                 unset($_REQUEST["screen_name"]);
1381                 unset($_GET["screen_name"]);
1382
1383                 $user_info = api_get_user($a);
1384                 // get last newtork messages
1385
1386
1387                 // params
1388                 $count = (x($_REQUEST,'count')?$_REQUEST['count']:20);
1389                 $page = (x($_REQUEST,'page')?$_REQUEST['page']-1:0);
1390                 if ($page<0) $page=0;
1391                 $since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1392                 $max_id = (x($_REQUEST,'max_id')?$_REQUEST['max_id']:0);
1393                 //$since_id = 0;//$since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1394                 $exclude_replies = (x($_REQUEST,'exclude_replies')?1:0);
1395                 $conversation_id = (x($_REQUEST,'conversation_id')?$_REQUEST['conversation_id']:0);
1396
1397                 $start = $page*$count;
1398
1399                 $sql_extra = '';
1400                 if ($max_id > 0)
1401                         $sql_extra .= ' AND `item`.`id` <= '.intval($max_id);
1402                 if ($exclude_replies > 0)
1403                         $sql_extra .= ' AND `item`.`parent` = `item`.`id`';
1404                 if ($conversation_id > 0)
1405                         $sql_extra .= ' AND `item`.`parent` = '.intval($conversation_id);
1406
1407                 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, `item`.`network` AS `item_network`,
1408                         `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
1409                         `contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
1410                         `contact`.`id` AS `cid`
1411                         FROM `item`
1412                         STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND `contact`.`uid` = `item`.`uid`
1413                                 AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
1414                         WHERE `item`.`uid` = %d AND `verb` = '%s'
1415                         AND `item`.`visible` AND NOT `item`.`moderated` AND NOT `item`.`deleted`
1416                         $sql_extra
1417                         AND `item`.`id`>%d
1418                         ORDER BY `item`.`id` DESC LIMIT %d ,%d ",
1419                         intval(api_user()),
1420                         dbesc(ACTIVITY_POST),
1421                         intval($since_id),
1422                         intval($start), intval($count)
1423                 );
1424
1425                 $ret = api_format_items($r,$user_info, false, $type);
1426
1427                 // Set all posts from the query above to seen
1428                 $idarray = array();
1429                 foreach ($r AS $item)
1430                         $idarray[] = intval($item["id"]);
1431
1432                 $idlist = implode(",", $idarray);
1433
1434                 if ($idlist != "") {
1435                         $unseen = q("SELECT `id` FROM `item` WHERE `unseen` AND `id` IN (%s)", $idlist);
1436
1437                         if ($unseen)
1438                                 $r = q("UPDATE `item` SET `unseen` = 0 WHERE `unseen` AND `id` IN (%s)", $idlist);
1439                 }
1440
1441                 $data = array('status' => $ret);
1442                 switch($type){
1443                         case "atom":
1444                         case "rss":
1445                                 $data = api_rss_extra($a, $data, $user_info);
1446                                 break;
1447                 }
1448
1449                 return  api_format_data("statuses", $type, $data);
1450         }
1451         api_register_func('api/statuses/home_timeline','api_statuses_home_timeline', true);
1452         api_register_func('api/statuses/friends_timeline','api_statuses_home_timeline', true);
1453
1454         function api_statuses_public_timeline($type){
1455
1456                 $a = get_app();
1457
1458                 if (api_user()===false) throw new ForbiddenException();
1459
1460                 $user_info = api_get_user($a);
1461                 // get last newtork messages
1462
1463
1464                 // params
1465                 $count = (x($_REQUEST,'count')?$_REQUEST['count']:20);
1466                 $page = (x($_REQUEST,'page')?$_REQUEST['page']-1:0);
1467                 if ($page<0) $page=0;
1468                 $since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1469                 $max_id = (x($_REQUEST,'max_id')?$_REQUEST['max_id']:0);
1470                 //$since_id = 0;//$since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1471                 $exclude_replies = (x($_REQUEST,'exclude_replies')?1:0);
1472                 $conversation_id = (x($_REQUEST,'conversation_id')?$_REQUEST['conversation_id']:0);
1473
1474                 $start = $page*$count;
1475
1476                 if ($max_id > 0)
1477                         $sql_extra = 'AND `item`.`id` <= '.intval($max_id);
1478                 if ($exclude_replies > 0)
1479                         $sql_extra .= ' AND `item`.`parent` = `item`.`id`';
1480                 if ($conversation_id > 0)
1481                         $sql_extra .= ' AND `item`.`parent` = '.intval($conversation_id);
1482
1483                 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, `item`.`network` AS `item_network`,
1484                         `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
1485                         `contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
1486                         `contact`.`id` AS `cid`,
1487                         `user`.`nickname`, `user`.`hidewall`
1488                         FROM `item`
1489                         STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND `contact`.`uid` = `item`.`uid`
1490                                 AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
1491                         STRAIGHT_JOIN `user` ON `user`.`uid` = `item`.`uid`
1492                                 AND NOT `user`.`hidewall`
1493                         WHERE `verb` = '%s' AND `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1494                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
1495                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
1496                         AND NOT `item`.`private` AND `item`.`wall`
1497                         $sql_extra
1498                         AND `item`.`id`>%d
1499                         ORDER BY `item`.`id` DESC LIMIT %d, %d ",
1500                         dbesc(ACTIVITY_POST),
1501                         intval($since_id),
1502                         intval($start),
1503                         intval($count));
1504
1505                 $ret = api_format_items($r,$user_info, false, $type);
1506
1507
1508                 $data = array('status' => $ret);
1509                 switch($type){
1510                         case "atom":
1511                         case "rss":
1512                                 $data = api_rss_extra($a, $data, $user_info);
1513                                 break;
1514                 }
1515
1516                 return  api_format_data("statuses", $type, $data);
1517         }
1518         api_register_func('api/statuses/public_timeline','api_statuses_public_timeline', true);
1519
1520         /**
1521          *
1522          */
1523         function api_statuses_show($type){
1524
1525                 $a = get_app();
1526
1527                 if (api_user()===false) throw new ForbiddenException();
1528
1529                 $user_info = api_get_user($a);
1530
1531                 // params
1532                 $id = intval($a->argv[3]);
1533
1534                 if ($id == 0)
1535                         $id = intval($_REQUEST["id"]);
1536
1537                 // Hotot workaround
1538                 if ($id == 0)
1539                         $id = intval($a->argv[4]);
1540
1541                 logger('API: api_statuses_show: '.$id);
1542
1543                 $conversation = (x($_REQUEST,'conversation')?1:0);
1544
1545                 $sql_extra = '';
1546                 if ($conversation)
1547                         $sql_extra .= " AND `item`.`parent` = %d ORDER BY `id` ASC ";
1548                 else
1549                         $sql_extra .= " AND `item`.`id` = %d";
1550
1551                 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, `item`.`network` AS `item_network`,
1552                         `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
1553                         `contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
1554                         `contact`.`id` AS `cid`
1555                         FROM `item`
1556                         INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND `contact`.`uid` = `item`.`uid`
1557                                 AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
1558                         WHERE `item`.`visible` AND NOT `item`.`moderated` AND NOT `item`.`deleted`
1559                         AND `item`.`uid` = %d AND `item`.`verb` = '%s'
1560                         $sql_extra",
1561                         intval(api_user()),
1562                         dbesc(ACTIVITY_POST),
1563                         intval($id)
1564                 );
1565
1566                 if (!$r) {
1567                         throw new BadRequestException("There is no status with this id.");
1568                 }
1569
1570                 $ret = api_format_items($r,$user_info, false, $type);
1571
1572                 if ($conversation) {
1573                         $data = array('status' => $ret);
1574                         return api_format_data("statuses", $type, $data);
1575                 } else {
1576                         $data = array('status' => $ret[0]);
1577                         return  api_format_data("status", $type, $data);
1578                 }
1579         }
1580         api_register_func('api/statuses/show','api_statuses_show', true);
1581
1582
1583         /**
1584          *
1585          */
1586         function api_conversation_show($type){
1587
1588                 $a = get_app();
1589
1590                 if (api_user()===false) throw new ForbiddenException();
1591
1592                 $user_info = api_get_user($a);
1593
1594                 // params
1595                 $id = intval($a->argv[3]);
1596                 $count = (x($_REQUEST,'count')?$_REQUEST['count']:20);
1597                 $page = (x($_REQUEST,'page')?$_REQUEST['page']-1:0);
1598                 if ($page<0) $page=0;
1599                 $since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1600                 $max_id = (x($_REQUEST,'max_id')?$_REQUEST['max_id']:0);
1601
1602                 $start = $page*$count;
1603
1604                 if ($id == 0)
1605                         $id = intval($_REQUEST["id"]);
1606
1607                 // Hotot workaround
1608                 if ($id == 0)
1609                         $id = intval($a->argv[4]);
1610
1611                 logger('API: api_conversation_show: '.$id);
1612
1613                 $r = q("SELECT `parent` FROM `item` WHERE `id` = %d", intval($id));
1614                 if ($r)
1615                         $id = $r[0]["parent"];
1616
1617                 $sql_extra = '';
1618
1619                 if ($max_id > 0)
1620                         $sql_extra = ' AND `item`.`id` <= '.intval($max_id);
1621
1622                 // Not sure why this query was so complicated. We should keep it here for a while,
1623                 // just to make sure that we really don't need it.
1624                 //      FROM `item` INNER JOIN (SELECT `uri`,`parent` FROM `item` WHERE `id` = %d) AS `temp1`
1625                 //      ON (`item`.`thr-parent` = `temp1`.`uri` AND `item`.`parent` = `temp1`.`parent`)
1626
1627                 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, `item`.`network` AS `item_network`,
1628                         `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
1629                         `contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
1630                         `contact`.`id` AS `cid`
1631                         FROM `item`
1632                         STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND `contact`.`uid` = `item`.`uid`
1633                                 AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
1634                         WHERE `item`.`parent` = %d AND `item`.`visible`
1635                         AND NOT `item`.`moderated` AND NOT `item`.`deleted`
1636                         AND `item`.`uid` = %d AND `item`.`verb` = '%s'
1637                         AND `item`.`id`>%d $sql_extra
1638                         ORDER BY `item`.`id` DESC LIMIT %d ,%d",
1639                         intval($id), intval(api_user()),
1640                         dbesc(ACTIVITY_POST),
1641                         intval($since_id),
1642                         intval($start), intval($count)
1643                 );
1644
1645                 if (!$r)
1646                         throw new BadRequestException("There is no conversation with this id.");
1647
1648                 $ret = api_format_items($r,$user_info, false, $type);
1649
1650                 $data = array('status' => $ret);
1651                 return api_format_data("statuses", $type, $data);
1652         }
1653         api_register_func('api/conversation/show','api_conversation_show', true);
1654         api_register_func('api/statusnet/conversation','api_conversation_show', true);
1655
1656
1657         /**
1658          *
1659          */
1660         function api_statuses_repeat($type){
1661                 global $called_api;
1662
1663                 $a = get_app();
1664
1665                 if (api_user()===false) throw new ForbiddenException();
1666
1667                 $user_info = api_get_user($a);
1668
1669                 // params
1670                 $id = intval($a->argv[3]);
1671
1672                 if ($id == 0)
1673                         $id = intval($_REQUEST["id"]);
1674
1675                 // Hotot workaround
1676                 if ($id == 0)
1677                         $id = intval($a->argv[4]);
1678
1679                 logger('API: api_statuses_repeat: '.$id);
1680
1681                 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, `item`.`network` AS `item_network`, `contact`.`nick` as `reply_author`,
1682                         `contact`.`name`, `contact`.`photo` as `reply_photo`, `contact`.`url` as `reply_url`, `contact`.`rel`,
1683                         `contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
1684                         `contact`.`id` AS `cid`
1685                         FROM `item`
1686                         INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND `contact`.`uid` = `item`.`uid`
1687                                 AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
1688                         WHERE `item`.`visible` AND NOT `item`.`moderated` AND NOT `item`.`deleted`
1689                         AND NOT `item`.`private` AND `item`.`allow_cid` = '' AND `item`.`allow`.`gid` = ''
1690                         AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1691                         $sql_extra
1692                         AND `item`.`id`=%d",
1693                         intval($id)
1694                 );
1695
1696                 if ($r[0]['body'] != "") {
1697                         if (!intval(get_config('system','old_share'))) {
1698                                 if (strpos($r[0]['body'], "[/share]") !== false) {
1699                                         $pos = strpos($r[0]['body'], "[share");
1700                                         $post = substr($r[0]['body'], $pos);
1701                                 } else {
1702                                         $post = share_header($r[0]['author-name'], $r[0]['author-link'], $r[0]['author-avatar'], $r[0]['guid'], $r[0]['created'], $r[0]['plink']);
1703
1704                                         $post .= $r[0]['body'];
1705                                         $post .= "[/share]";
1706                                 }
1707                                 $_REQUEST['body'] = $post;
1708                         } else
1709                                 $_REQUEST['body'] = html_entity_decode("&#x2672; ", ENT_QUOTES, 'UTF-8')."[url=".$r[0]['reply_url']."]".$r[0]['reply_author']."[/url] \n".$r[0]['body'];
1710
1711                         $_REQUEST['profile_uid'] = api_user();
1712                         $_REQUEST['type'] = 'wall';
1713                         $_REQUEST['api_source'] = true;
1714
1715                         if (!x($_REQUEST, "source"))
1716                                 $_REQUEST["source"] = api_source();
1717
1718                         item_post($a);
1719                 } else
1720                         throw new ForbiddenException();
1721
1722                 // this should output the last post (the one we just posted).
1723                 $called_api = null;
1724                 return(api_status_show($type));
1725         }
1726         api_register_func('api/statuses/retweet','api_statuses_repeat', true, API_METHOD_POST);
1727
1728         /**
1729          *
1730          */
1731         function api_statuses_destroy($type){
1732
1733                 $a = get_app();
1734
1735                 if (api_user()===false) throw new ForbiddenException();
1736
1737                 $user_info = api_get_user($a);
1738
1739                 // params
1740                 $id = intval($a->argv[3]);
1741
1742                 if ($id == 0)
1743                         $id = intval($_REQUEST["id"]);
1744
1745                 // Hotot workaround
1746                 if ($id == 0)
1747                         $id = intval($a->argv[4]);
1748
1749                 logger('API: api_statuses_destroy: '.$id);
1750
1751                 $ret = api_statuses_show($type);
1752
1753                 drop_item($id, false);
1754
1755                 return($ret);
1756         }
1757         api_register_func('api/statuses/destroy','api_statuses_destroy', true, API_METHOD_DELETE);
1758
1759         /**
1760          *
1761          * http://developer.twitter.com/doc/get/statuses/mentions
1762          *
1763          */
1764         function api_statuses_mentions($type){
1765
1766                 $a = get_app();
1767
1768                 if (api_user()===false) throw new ForbiddenException();
1769
1770                 unset($_REQUEST["user_id"]);
1771                 unset($_GET["user_id"]);
1772
1773                 unset($_REQUEST["screen_name"]);
1774                 unset($_GET["screen_name"]);
1775
1776                 $user_info = api_get_user($a);
1777                 // get last newtork messages
1778
1779
1780                 // params
1781                 $count = (x($_REQUEST,'count')?$_REQUEST['count']:20);
1782                 $page = (x($_REQUEST,'page')?$_REQUEST['page']-1:0);
1783                 if ($page<0) $page=0;
1784                 $since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1785                 $max_id = (x($_REQUEST,'max_id')?$_REQUEST['max_id']:0);
1786                 //$since_id = 0;//$since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1787
1788                 $start = $page*$count;
1789
1790                 // Ugly code - should be changed
1791                 $myurl = App::get_baseurl() . '/profile/'. $a->user['nickname'];
1792                 $myurl = substr($myurl,strpos($myurl,'://')+3);
1793                 //$myurl = str_replace(array('www.','.'),array('','\\.'),$myurl);
1794                 $myurl = str_replace('www.','',$myurl);
1795                 $diasp_url = str_replace('/profile/','/u/',$myurl);
1796
1797                 if ($max_id > 0)
1798                         $sql_extra = ' AND `item`.`id` <= '.intval($max_id);
1799
1800                 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, `item`.`network` AS `item_network`,
1801                         `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
1802                         `contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
1803                         `contact`.`id` AS `cid`
1804                         FROM `item` FORCE INDEX (`uid_id`)
1805                         STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND `contact`.`uid` = `item`.`uid`
1806                                 AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
1807                         WHERE `item`.`uid` = %d AND `verb` = '%s'
1808                         AND NOT (`item`.`author-link` IN ('https://%s', 'http://%s'))
1809                         AND `item`.`visible` AND NOT `item`.`moderated` AND NOT `item`.`deleted`
1810                         AND `item`.`parent` IN (SELECT `iid` FROM `thread` WHERE `uid` = %d AND `mention` AND !`ignored`)
1811                         $sql_extra
1812                         AND `item`.`id`>%d
1813                         ORDER BY `item`.`id` DESC LIMIT %d ,%d ",
1814                         intval(api_user()),
1815                         dbesc(ACTIVITY_POST),
1816                         dbesc(protect_sprintf($myurl)),
1817                         dbesc(protect_sprintf($myurl)),
1818                         intval(api_user()),
1819                         intval($since_id),
1820                         intval($start), intval($count)
1821                 );
1822
1823                 $ret = api_format_items($r,$user_info, false, $type);
1824
1825
1826                 $data = array('status' => $ret);
1827                 switch($type){
1828                         case "atom":
1829                         case "rss":
1830                                 $data = api_rss_extra($a, $data, $user_info);
1831                                 break;
1832                 }
1833
1834                 return  api_format_data("statuses", $type, $data);
1835         }
1836         api_register_func('api/statuses/mentions','api_statuses_mentions', true);
1837         api_register_func('api/statuses/replies','api_statuses_mentions', true);
1838
1839
1840         function api_statuses_user_timeline($type){
1841
1842                 $a = get_app();
1843
1844                 if (api_user()===false) throw new ForbiddenException();
1845
1846                 $user_info = api_get_user($a);
1847                 // get last network messages
1848
1849                 logger("api_statuses_user_timeline: api_user: ". api_user() .
1850                            "\nuser_info: ".print_r($user_info, true) .
1851                            "\n_REQUEST:  ".print_r($_REQUEST, true),
1852                            LOGGER_DEBUG);
1853
1854                 // params
1855                 $count = (x($_REQUEST,'count')?$_REQUEST['count']:20);
1856                 $page = (x($_REQUEST,'page')?$_REQUEST['page']-1:0);
1857                 if ($page<0) $page=0;
1858                 $since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1859                 //$since_id = 0;//$since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1860                 $exclude_replies = (x($_REQUEST,'exclude_replies')?1:0);
1861                 $conversation_id = (x($_REQUEST,'conversation_id')?$_REQUEST['conversation_id']:0);
1862
1863                 $start = $page*$count;
1864
1865                 $sql_extra = '';
1866                 if ($user_info['self']==1)
1867                         $sql_extra .= " AND `item`.`wall` = 1 ";
1868
1869                 if ($exclude_replies > 0)
1870                         $sql_extra .= ' AND `item`.`parent` = `item`.`id`';
1871                 if ($conversation_id > 0)
1872                         $sql_extra .= ' AND `item`.`parent` = '.intval($conversation_id);
1873
1874                 $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, `item`.`network` AS `item_network`,
1875                         `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
1876                         `contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
1877                         `contact`.`id` AS `cid`
1878                         FROM `item` FORCE INDEX (`uid_contactid_id`)
1879                         STRAIGHT_JOIN `contact` ON `contact`.`id` = `item`.`contact-id` AND `contact`.`uid` = `item`.`uid`
1880                                 AND NOT `contact`.`blocked` AND NOT `contact`.`pending`
1881                         WHERE `item`.`uid` = %d AND `verb` = '%s'
1882                         AND `item`.`contact-id` = %d
1883                         AND `item`.`visible` AND NOT `item`.`moderated` AND NOT `item`.`deleted`
1884                         $sql_extra
1885                         AND `item`.`id`>%d
1886                         ORDER BY `item`.`id` DESC LIMIT %d ,%d ",
1887                         intval(api_user()),
1888                         dbesc(ACTIVITY_POST),
1889                         intval($user_info['cid']),
1890                         intval($since_id),
1891                         intval($start), intval($count)
1892                 );
1893
1894                 $ret = api_format_items($r,$user_info, true, $type);
1895
1896                 $data = array('status' => $ret);
1897                 switch($type){
1898                         case "atom":
1899                         case "rss":
1900                                 $data = api_rss_extra($a, $data, $user_info);
1901                 }
1902
1903                 return  api_format_data("statuses", $type, $data);
1904         }
1905         api_register_func('api/statuses/user_timeline','api_statuses_user_timeline', true);
1906
1907
1908         /**
1909          * Star/unstar an item
1910          * param: id : id of the item
1911          *
1912          * api v1 : https://web.archive.org/web/20131019055350/https://dev.twitter.com/docs/api/1/post/favorites/create/%3Aid
1913          */
1914         function api_favorites_create_destroy($type){
1915
1916                 $a = get_app();
1917
1918                 if (api_user()===false) throw new ForbiddenException();
1919
1920                 // for versioned api.
1921                 /// @TODO We need a better global soluton
1922                 $action_argv_id=2;
1923                 if ($a->argv[1]=="1.1") $action_argv_id=3;
1924
1925                 if ($a->argc<=$action_argv_id) throw new BadRequestException("Invalid request.");
1926                 $action = str_replace(".".$type,"",$a->argv[$action_argv_id]);
1927                 if ($a->argc==$action_argv_id+2) {
1928                         $itemid = intval($a->argv[$action_argv_id+1]);
1929                 } else {
1930                         $itemid = intval($_REQUEST['id']);
1931                 }
1932
1933                 $item = q("SELECT * FROM item WHERE id=%d AND uid=%d",
1934                                 $itemid, api_user());
1935
1936                 if ($item===false || count($item)==0)
1937                         throw new BadRequestException("Invalid item.");
1938
1939                 switch($action){
1940                         case "create":
1941                                 $item[0]['starred']=1;
1942                                 break;
1943                         case "destroy":
1944                                 $item[0]['starred']=0;
1945                                 break;
1946                         default:
1947                                 throw new BadRequestException("Invalid action ".$action);
1948                 }
1949                 $r = q("UPDATE item SET starred=%d WHERE id=%d AND uid=%d",
1950                                 $item[0]['starred'], $itemid, api_user());
1951
1952                 q("UPDATE thread SET starred=%d WHERE iid=%d AND uid=%d",
1953                         $item[0]['starred'], $itemid, api_user());
1954
1955                 if ($r===false)
1956                         throw InternalServerErrorException("DB error");
1957
1958
1959                 $user_info = api_get_user($a);
1960                 $rets = api_format_items($item, $user_info, false, $type);
1961                 $ret = $rets[0];
1962
1963                 $data = array('status' => $ret);
1964                 switch($type){
1965                         case "atom":
1966                         case "rss":
1967                                 $data = api_rss_extra($a, $data, $user_info);
1968                 }
1969
1970                 return api_format_data("status", $type, $data);
1971         }
1972         api_register_func('api/favorites/create', 'api_favorites_create_destroy', true, API_METHOD_POST);
1973         api_register_func('api/favorites/destroy', 'api_favorites_create_destroy', true, API_METHOD_DELETE);
1974
1975         function api_favorites($type){
1976                 global $called_api;
1977
1978                 $a = get_app();
1979
1980                 if (api_user()===false) throw new ForbiddenException();
1981
1982                 $called_api= array();
1983
1984                 $user_info = api_get_user($a);
1985
1986                 // in friendica starred item are private
1987                 // return favorites only for self
1988                 logger('api_favorites: self:' . $user_info['self']);
1989
1990                 if ($user_info['self']==0) {
1991                         $ret = array();
1992                 } else {
1993                         $sql_extra = "";
1994
1995                         // params
1996                         $since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
1997                         $max_id = (x($_REQUEST,'max_id')?$_REQUEST['max_id']:0);
1998                         $count = (x($_GET,'count')?$_GET['count']:20);
1999                         $page = (x($_REQUEST,'page')?$_REQUEST['page']-1:0);
2000                         if ($page<0) $page=0;
2001
2002                         $start = $page*$count;
2003
2004                         if ($max_id > 0)
2005                                 $sql_extra .= ' AND `item`.`id` <= '.intval($max_id);
2006
2007                         $r = q("SELECT `item`.*, `item`.`id` AS `item_id`, `item`.`network` AS `item_network`,
2008                                 `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
2009                                 `contact`.`network`, `contact`.`thumb`, `contact`.`dfrn-id`, `contact`.`self`,
2010                                 `contact`.`id` AS `cid`
2011                                 FROM `item`, `contact`
2012                                 WHERE `item`.`uid` = %d
2013                                 AND `item`.`visible` = 1 and `item`.`moderated` = 0 AND `item`.`deleted` = 0
2014                                 AND `item`.`starred` = 1
2015                                 AND `contact`.`id` = `item`.`contact-id`
2016                                 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
2017                                 $sql_extra
2018                                 AND `item`.`id`>%d
2019                                 ORDER BY `item`.`id` DESC LIMIT %d ,%d ",
2020                                 intval(api_user()),
2021                                 intval($since_id),
2022                                 intval($start), intval($count)
2023                         );
2024
2025                         $ret = api_format_items($r,$user_info, false, $type);
2026
2027                 }
2028
2029                 $data = array('status' => $ret);
2030                 switch($type){
2031                         case "atom":
2032                         case "rss":
2033                                 $data = api_rss_extra($a, $data, $user_info);
2034                 }
2035
2036                 return  api_format_data("statuses", $type, $data);
2037         }
2038         api_register_func('api/favorites','api_favorites', true);
2039
2040         function api_format_messages($item, $recipient, $sender) {
2041                 // standard meta information
2042                 $ret=Array(
2043                                 'id'                    => $item['id'],
2044                                 'sender_id'             => $sender['id'] ,
2045                                 'text'                  => "",
2046                                 'recipient_id'          => $recipient['id'],
2047                                 'created_at'            => api_date($item['created']),
2048                                 'sender_screen_name'    => $sender['screen_name'],
2049                                 'recipient_screen_name' => $recipient['screen_name'],
2050                                 'sender'                => $sender,
2051                                 'recipient'             => $recipient,
2052                                 'title'                 => "",
2053                                 'friendica_seen'        => $item['seen'],
2054                                 'friendica_parent_uri'  => $item['parent-uri'],
2055                 );
2056
2057                 // "uid" and "self" are only needed for some internal stuff, so remove it from here
2058                 unset($ret["sender"]["uid"]);
2059                 unset($ret["sender"]["self"]);
2060                 unset($ret["recipient"]["uid"]);
2061                 unset($ret["recipient"]["self"]);
2062
2063                 //don't send title to regular StatusNET requests to avoid confusing these apps
2064                 if (x($_GET, 'getText')) {
2065                         $ret['title'] = $item['title'] ;
2066                         if ($_GET["getText"] == "html") {
2067                                 $ret['text'] = bbcode($item['body'], false, false);
2068                         }
2069                         elseif ($_GET["getText"] == "plain") {
2070                                 //$ret['text'] = html2plain(bbcode($item['body'], false, false, true), 0);
2071                                 $ret['text'] = trim(html2plain(bbcode(api_clean_plain_items($item['body']), false, false, 2, true), 0));
2072                         }
2073                 }
2074                 else {
2075                         $ret['text'] = $item['title']."\n".html2plain(bbcode(api_clean_plain_items($item['body']), false, false, 2, true), 0);
2076                 }
2077                 if (isset($_GET["getUserObjects"]) && $_GET["getUserObjects"] == "false") {
2078                         unset($ret['sender']);
2079                         unset($ret['recipient']);
2080                 }
2081
2082                 return $ret;
2083         }
2084
2085         function api_convert_item($item) {
2086                 $body = $item['body'];
2087                 $attachments = api_get_attachments($body);
2088
2089                 // Workaround for ostatus messages where the title is identically to the body
2090                 $html = bbcode(api_clean_plain_items($body), false, false, 2, true);
2091                 $statusbody = trim(html2plain($html, 0));
2092
2093                 // handle data: images
2094                 $statusbody = api_format_items_embeded_images($item,$statusbody);
2095
2096                 $statustitle = trim($item['title']);
2097
2098                 if (($statustitle != '') and (strpos($statusbody, $statustitle) !== false))
2099                         $statustext = trim($statusbody);
2100                 else
2101                         $statustext = trim($statustitle."\n\n".$statusbody);
2102
2103                 if (($item["network"] == NETWORK_FEED) and (strlen($statustext)> 1000))
2104                         $statustext = substr($statustext, 0, 1000)."... \n".$item["plink"];
2105
2106                 $statushtml = trim(bbcode($body, false, false));
2107
2108                 $search = array("<br>", "<blockquote>", "</blockquote>",
2109                                 "<h1>", "</h1>", "<h2>", "</h2>",
2110                                 "<h3>", "</h3>", "<h4>", "</h4>",
2111                                 "<h5>", "</h5>", "<h6>", "</h6>");
2112                 $replace = array("<br>\n", "\n<blockquote>", "</blockquote>\n",
2113                                 "\n<h1>", "</h1>\n", "\n<h2>", "</h2>\n",
2114                                 "\n<h3>", "</h3>\n", "\n<h4>", "</h4>\n",
2115                                 "\n<h5>", "</h5>\n", "\n<h6>", "</h6>\n");
2116                 $statushtml = str_replace($search, $replace, $statushtml);
2117
2118                 if ($item['title'] != "")
2119                         $statushtml = "<h4>".bbcode($item['title'])."</h4>\n".$statushtml;
2120
2121                 $entities = api_get_entitities($statustext, $body);
2122
2123                 return array(
2124                         "text" => $statustext,
2125                         "html" => $statushtml,
2126                         "attachments" => $attachments,
2127                         "entities" => $entities
2128                 );
2129         }
2130
2131         function api_get_attachments(&$body) {
2132
2133                 $text = $body;
2134                 $text = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $text);
2135
2136                 $URLSearchString = "^\[\]";
2137                 $ret = preg_match_all("/\[img\]([$URLSearchString]*)\[\/img\]/ism", $text, $images);
2138
2139                 if (!$ret)
2140                         return false;
2141
2142                 $attachments = array();
2143
2144                 foreach ($images[1] AS $image) {
2145                         $imagedata = get_photo_info($image);
2146
2147                         if ($imagedata)
2148                                 $attachments[] = array("url" => $image, "mimetype" => $imagedata["mime"], "size" => $imagedata["size"]);
2149                 }
2150
2151                 if (strstr($_SERVER['HTTP_USER_AGENT'], "AndStatus"))
2152                         foreach ($images[0] AS $orig)
2153                                 $body = str_replace($orig, "", $body);
2154
2155                 return $attachments;
2156         }
2157
2158         function api_get_entitities(&$text, $bbcode) {
2159                 /*
2160                 To-Do:
2161                 * Links at the first character of the post
2162                 */
2163
2164                 $a = get_app();
2165
2166                 $include_entities = strtolower(x($_REQUEST,'include_entities')?$_REQUEST['include_entities']:"false");
2167
2168                 if ($include_entities != "true") {
2169
2170                         preg_match_all("/\[img](.*?)\[\/img\]/ism", $bbcode, $images);
2171
2172                         foreach ($images[1] AS $image) {
2173                                 $replace = proxy_url($image);
2174                                 $text = str_replace($image, $replace, $text);
2175                         }
2176                         return array();
2177                 }
2178
2179                 $bbcode = bb_CleanPictureLinks($bbcode);
2180
2181                 // Change pure links in text to bbcode uris
2182                 $bbcode = preg_replace("/([^\]\='".'"'."]|^)(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\%\$\!\+\,]+)/ism", '$1[url=$2]$2[/url]', $bbcode);
2183
2184                 $entities = array();
2185                 $entities["hashtags"] = array();
2186                 $entities["symbols"] = array();
2187                 $entities["urls"] = array();
2188                 $entities["user_mentions"] = array();
2189
2190                 $URLSearchString = "^\[\]";
2191
2192                 $bbcode = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",'#$2',$bbcode);
2193
2194                 $bbcode = preg_replace("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",'[url=$1]$2[/url]',$bbcode);
2195                 //$bbcode = preg_replace("/\[url\](.*?)\[\/url\]/ism",'[url=$1]$1[/url]',$bbcode);
2196                 $bbcode = preg_replace("/\[video\](.*?)\[\/video\]/ism",'[url=$1]$1[/url]',$bbcode);
2197
2198                 $bbcode = preg_replace("/\[youtube\]([A-Za-z0-9\-_=]+)(.*?)\[\/youtube\]/ism",
2199                                         '[url=https://www.youtube.com/watch?v=$1]https://www.youtube.com/watch?v=$1[/url]', $bbcode);
2200                 $bbcode = preg_replace("/\[youtube\](.*?)\[\/youtube\]/ism",'[url=$1]$1[/url]',$bbcode);
2201
2202                 $bbcode = preg_replace("/\[vimeo\]([0-9]+)(.*?)\[\/vimeo\]/ism",
2203                                         '[url=https://vimeo.com/$1]https://vimeo.com/$1[/url]', $bbcode);
2204                 $bbcode = preg_replace("/\[vimeo\](.*?)\[\/vimeo\]/ism",'[url=$1]$1[/url]',$bbcode);
2205
2206                 $bbcode = preg_replace("/\[img\=([0-9]*)x([0-9]*)\](.*?)\[\/img\]/ism", '[img]$3[/img]', $bbcode);
2207
2208                 //preg_match_all("/\[url\]([$URLSearchString]*)\[\/url\]/ism", $bbcode, $urls1);
2209                 preg_match_all("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", $bbcode, $urls);
2210
2211                 $ordered_urls = array();
2212                 foreach ($urls[1] AS $id=>$url) {
2213                         //$start = strpos($text, $url, $offset);
2214                         $start = iconv_strpos($text, $url, 0, "UTF-8");
2215                         if (!($start === false))
2216                                 $ordered_urls[$start] = array("url" => $url, "title" => $urls[2][$id]);
2217                 }
2218
2219                 ksort($ordered_urls);
2220
2221                 $offset = 0;
2222                 //foreach ($urls[1] AS $id=>$url) {
2223                 foreach ($ordered_urls AS $url) {
2224                         if ((substr($url["title"], 0, 7) != "http://") AND (substr($url["title"], 0, 8) != "https://") AND
2225                                 !strpos($url["title"], "http://") AND !strpos($url["title"], "https://"))
2226                                 $display_url = $url["title"];
2227                         else {
2228                                 $display_url = str_replace(array("http://www.", "https://www."), array("", ""), $url["url"]);
2229                                 $display_url = str_replace(array("http://", "https://"), array("", ""), $display_url);
2230
2231                                 if (strlen($display_url) > 26)
2232                                         $display_url = substr($display_url, 0, 25)."…";
2233                         }
2234
2235                         //$start = strpos($text, $url, $offset);
2236                         $start = iconv_strpos($text, $url["url"], $offset, "UTF-8");
2237                         if (!($start === false)) {
2238                                 $entities["urls"][] = array("url" => $url["url"],
2239                                                                 "expanded_url" => $url["url"],
2240                                                                 "display_url" => $display_url,
2241                                                                 "indices" => array($start, $start+strlen($url["url"])));
2242                                 $offset = $start + 1;
2243                         }
2244                 }
2245
2246                 preg_match_all("/\[img](.*?)\[\/img\]/ism", $bbcode, $images);
2247                 $ordered_images = array();
2248                 foreach ($images[1] AS $image) {
2249                         //$start = strpos($text, $url, $offset);
2250                         $start = iconv_strpos($text, $image, 0, "UTF-8");
2251                         if (!($start === false))
2252                                 $ordered_images[$start] = $image;
2253                 }
2254                 //$entities["media"] = array();
2255                 $offset = 0;
2256
2257                 foreach ($ordered_images AS $url) {
2258                         $display_url = str_replace(array("http://www.", "https://www."), array("", ""), $url);
2259                         $display_url = str_replace(array("http://", "https://"), array("", ""), $display_url);
2260
2261                         if (strlen($display_url) > 26)
2262                                 $display_url = substr($display_url, 0, 25)."…";
2263
2264                         $start = iconv_strpos($text, $url, $offset, "UTF-8");
2265                         if (!($start === false)) {
2266                                 $image = get_photo_info($url);
2267                                 if ($image) {
2268                                         // If image cache is activated, then use the following sizes:
2269                                         // thumb  (150), small (340), medium (600) and large (1024)
2270                                         if (!get_config("system", "proxy_disabled")) {
2271                                                 $media_url = proxy_url($url);
2272
2273                                                 $sizes = array();
2274                                                 $scale = scale_image($image[0], $image[1], 150);
2275                                                 $sizes["thumb"] = array("w" => $scale["width"], "h" => $scale["height"], "resize" => "fit");
2276
2277                                                 if (($image[0] > 150) OR ($image[1] > 150)) {
2278                                                         $scale = scale_image($image[0], $image[1], 340);
2279                                                         $sizes["small"] = array("w" => $scale["width"], "h" => $scale["height"], "resize" => "fit");
2280                                                 }
2281
2282                                                 $scale = scale_image($image[0], $image[1], 600);
2283                                                 $sizes["medium"] = array("w" => $scale["width"], "h" => $scale["height"], "resize" => "fit");
2284
2285                                                 if (($image[0] > 600) OR ($image[1] > 600)) {
2286                                                         $scale = scale_image($image[0], $image[1], 1024);
2287                                                         $sizes["large"] = array("w" => $scale["width"], "h" => $scale["height"], "resize" => "fit");
2288                                                 }
2289                                         } else {
2290                                                 $media_url = $url;
2291                                                 $sizes["medium"] = array("w" => $image[0], "h" => $image[1], "resize" => "fit");
2292                                         }
2293
2294                                         $entities["media"][] = array(
2295                                                                 "id" => $start+1,
2296                                                                 "id_str" => (string)$start+1,
2297                                                                 "indices" => array($start, $start+strlen($url)),
2298                                                                 "media_url" => normalise_link($media_url),
2299                                                                 "media_url_https" => $media_url,
2300                                                                 "url" => $url,
2301                                                                 "display_url" => $display_url,
2302                                                                 "expanded_url" => $url,
2303                                                                 "type" => "photo",
2304                                                                 "sizes" => $sizes);
2305                                 }
2306                                 $offset = $start + 1;
2307                         }
2308                 }
2309
2310                 return($entities);
2311         }
2312         function api_format_items_embeded_images(&$item, $text){
2313                 $text = preg_replace_callback(
2314                                 "|data:image/([^;]+)[^=]+=*|m",
2315                                 function($match) use ($item) {
2316                                         return App::get_baseurl()."/display/".$item['guid'];
2317                                 },
2318                                 $text);
2319                 return $text;
2320         }
2321
2322
2323         /**
2324          * @brief return <a href='url'>name</a> as array
2325          *
2326          * @param string $txt
2327          * @return array
2328          *                      name => 'name'
2329          *                      'url => 'url'
2330          */
2331         function api_contactlink_to_array($txt) {
2332                 $match = array();
2333                 $r = preg_match_all('|<a href="([^"]*)">([^<]*)</a>|', $txt, $match);
2334                 if ($r && count($match)==3) {
2335                         $res = array(
2336                                 'name' => $match[2],
2337                                 'url' => $match[1]
2338                         );
2339                 } else {
2340                         $res = array(
2341                                 'name' => $text,
2342                                 'url' => ""
2343                         );
2344                 }
2345                 return $res;
2346         }
2347
2348
2349         /**
2350          * @brief return likes, dislikes and attend status for item
2351          *
2352          * @param array $item
2353          * @return array
2354          *                      likes => int count
2355          *                      dislikes => int count
2356          */
2357         function api_format_items_activities(&$item, $type = "json") {
2358                 $activities = array(
2359                         'like' => array(),
2360                         'dislike' => array(),
2361                         'attendyes' => array(),
2362                         'attendno' => array(),
2363                         'attendmaybe' => array()
2364                 );
2365                 $items = q('SELECT * FROM item
2366                                         WHERE uid=%d AND `thr-parent`="%s" AND visible AND NOT deleted',
2367                                         intval($item['uid']),
2368                                         dbesc($item['uri']));
2369                 foreach ($items as $i){
2370                         builtin_activity_puller($i, $activities);
2371                 }
2372
2373                 if ($type == "xml") {
2374                         $xml_activities = array();
2375                         foreach ($activities as $k => $v)
2376                                 $xml_activities["friendica:".$k] = $v;
2377
2378                         $activities = $xml_activities;
2379                 }
2380
2381                 $res = array();
2382                 $uri = $item['uri']."-l";
2383                 foreach($activities as $k => $v) {
2384                         $res[$k] = (x($v,$uri)?count($v[$uri]):0);
2385                         #$res[$k] = ( x($v,$uri) ? array_map("api_contactlink_to_array", $v[$uri]) : array() );
2386                 }
2387                 return $res;
2388         }
2389
2390         /**
2391          * @brief format items to be returned by api
2392          *
2393          * @param array $r array of items
2394          * @param array $user_info
2395          * @param bool $filter_user filter items by $user_info
2396          */
2397         function api_format_items($r,$user_info, $filter_user = false, $type = "json") {
2398
2399                 $a = get_app();
2400
2401                 $ret = Array();
2402
2403                 foreach($r as $item) {
2404
2405                         localize_item($item);
2406                         list($status_user, $owner_user) = api_item_get_user($a,$item);
2407
2408                         // Look if the posts are matching if they should be filtered by user id
2409                         if ($filter_user AND ($status_user["id"] != $user_info["id"]))
2410                                 continue;
2411
2412                         if ($item['thr-parent'] != $item['uri']) {
2413                                 $r = q("SELECT id FROM item WHERE uid=%d AND uri='%s' LIMIT 1",
2414                                         intval(api_user()),
2415                                         dbesc($item['thr-parent']));
2416                                 if ($r)
2417                                         $in_reply_to_status_id = intval($r[0]['id']);
2418                                 else
2419                                         $in_reply_to_status_id = intval($item['parent']);
2420
2421                                 $in_reply_to_status_id_str = (string) intval($item['parent']);
2422
2423                                 $in_reply_to_screen_name = NULL;
2424                                 $in_reply_to_user_id = NULL;
2425                                 $in_reply_to_user_id_str = NULL;
2426
2427                                 $r = q("SELECT `author-link` FROM item WHERE uid=%d AND id=%d LIMIT 1",
2428                                         intval(api_user()),
2429                                         intval($in_reply_to_status_id));
2430                                 if ($r) {
2431                                         $r = q("SELECT * FROM `gcontact` WHERE `url` = '%s'", dbesc(normalise_link($r[0]['author-link'])));
2432
2433                                         if ($r) {
2434                                                 if ($r[0]['nick'] == "")
2435                                                         $r[0]['nick'] = api_get_nick($r[0]["url"]);
2436
2437                                                 $in_reply_to_screen_name = (($r[0]['nick']) ? $r[0]['nick'] : $r[0]['name']);
2438                                                 $in_reply_to_user_id = intval($r[0]['id']);
2439                                                 $in_reply_to_user_id_str = (string) intval($r[0]['id']);
2440                                         }
2441                                 }
2442                         } else {
2443                                 $in_reply_to_screen_name = NULL;
2444                                 $in_reply_to_user_id = NULL;
2445                                 $in_reply_to_status_id = NULL;
2446                                 $in_reply_to_user_id_str = NULL;
2447                                 $in_reply_to_status_id_str = NULL;
2448                         }
2449
2450                         $converted = api_convert_item($item);
2451
2452                         if ($type == "xml")
2453                                 $geo = "georss:point";
2454                         else
2455                                 $geo = "geo";
2456
2457                         $status = array(
2458                                 'text'          => $converted["text"],
2459                                 'truncated' => False,
2460                                 'created_at'=> api_date($item['created']),
2461                                 'in_reply_to_status_id' => $in_reply_to_status_id,
2462                                 'in_reply_to_status_id_str' => $in_reply_to_status_id_str,
2463                                 'source'    => (($item['app']) ? $item['app'] : 'web'),
2464                                 'id'            => intval($item['id']),
2465                                 'id_str'        => (string) intval($item['id']),
2466                                 'in_reply_to_user_id' => $in_reply_to_user_id,
2467                                 'in_reply_to_user_id_str' => $in_reply_to_user_id_str,
2468                                 'in_reply_to_screen_name' => $in_reply_to_screen_name,
2469                                 $geo => NULL,
2470                                 'favorited' => $item['starred'] ? true : false,
2471                                 'user' =>  $status_user ,
2472                                 'friendica_owner' => $owner_user,
2473                                 //'entities' => NULL,
2474                                 'statusnet_html'                => $converted["html"],
2475                                 'statusnet_conversation_id'     => $item['parent'],
2476                                 'friendica_activities' => api_format_items_activities($item, $type),
2477                         );
2478
2479                         if (count($converted["attachments"]) > 0)
2480                                 $status["attachments"] = $converted["attachments"];
2481
2482                         if (count($converted["entities"]) > 0)
2483                                 $status["entities"] = $converted["entities"];
2484
2485                         if (($item['item_network'] != "") AND ($status["source"] == 'web'))
2486                                 $status["source"] = network_to_name($item['item_network'], $user_info['url']);
2487                         else if (($item['item_network'] != "") AND (network_to_name($item['item_network'], $user_info['url']) != $status["source"]))
2488                                 $status["source"] = trim($status["source"].' ('.network_to_name($item['item_network'], $user_info['url']).')');
2489
2490
2491                         // Retweets are only valid for top postings
2492                         // It doesn't work reliable with the link if its a feed
2493                         #$IsRetweet = ($item['owner-link'] != $item['author-link']);
2494                         #if ($IsRetweet)
2495                         #       $IsRetweet = (($item['owner-name'] != $item['author-name']) OR ($item['owner-avatar'] != $item['author-avatar']));
2496
2497
2498                         if ($item["id"] == $item["parent"]) {
2499                                 $retweeted_item = api_share_as_retweet($item);
2500                                 if ($retweeted_item !== false) {
2501                                         $retweeted_status = $status;
2502                                         try {
2503                                                 $retweeted_status["user"] = api_get_user($a,$retweeted_item["author-link"]);
2504                                         } catch( BadRequestException $e ) {
2505                                                 // user not found. should be found?
2506                                                 /// @todo check if the user should be always found
2507                                                 $retweeted_status["user"] = array();
2508                                         }
2509
2510                                         $rt_converted = api_convert_item($retweeted_item);
2511
2512                                         $retweeted_status['text'] = $rt_converted["text"];
2513                                         $retweeted_status['statusnet_html'] = $rt_converted["html"];
2514                                         $retweeted_status['friendica_activities'] = api_format_items_activities($retweeted_item, $type);
2515                                         $retweeted_status['created_at'] =  api_date($retweeted_item['created']);
2516                                         $status['retweeted_status'] = $retweeted_status;
2517                                 }
2518                         }
2519
2520                         // "uid" and "self" are only needed for some internal stuff, so remove it from here
2521                         unset($status["user"]["uid"]);
2522                         unset($status["user"]["self"]);
2523
2524                         if ($item["coord"] != "") {
2525                                 $coords = explode(' ',$item["coord"]);
2526                                 if (count($coords) == 2) {
2527                                         if ($type == "json")
2528                                                 $status["geo"] = array('type' => 'Point',
2529                                                                 'coordinates' => array((float) $coords[0],
2530                                                                                         (float) $coords[1]));
2531                                         else // Not sure if this is the official format - if someone founds a documentation we can check
2532                                                 $status["georss:point"] = $item["coord"];
2533                                 }
2534                         }
2535                         $ret[] = $status;
2536                 };
2537                 return $ret;
2538         }
2539
2540
2541         function api_account_rate_limit_status($type) {
2542
2543                 if ($type == "xml")
2544                         $hash = array(
2545                                         'remaining-hits' => (string) 150,
2546                                         '@attributes' => array("type" => "integer"),
2547                                         'hourly-limit' => (string) 150,
2548                                         '@attributes2' => array("type" => "integer"),
2549                                         'reset-time' => datetime_convert('UTC','UTC','now + 1 hour',ATOM_TIME),
2550                                         '@attributes3' => array("type" => "datetime"),
2551                                         'reset_time_in_seconds' => strtotime('now + 1 hour'),
2552                                         '@attributes4' => array("type" => "integer"),
2553                                 );
2554                 else
2555                         $hash = array(
2556                                         'reset_time_in_seconds' => strtotime('now + 1 hour'),
2557                                         'remaining_hits' => (string) 150,
2558                                         'hourly_limit' => (string) 150,
2559                                         'reset_time' => api_date(datetime_convert('UTC','UTC','now + 1 hour',ATOM_TIME)),
2560                                 );
2561
2562                 return api_format_data('hash', $type, array('hash' => $hash));
2563         }
2564         api_register_func('api/account/rate_limit_status','api_account_rate_limit_status',true);
2565
2566         function api_help_test($type) {
2567                 if ($type == 'xml')
2568                         $ok = "true";
2569                 else
2570                         $ok = "ok";
2571
2572                 return api_format_data('ok', $type, array("ok" => $ok));
2573         }
2574         api_register_func('api/help/test','api_help_test',false);
2575
2576         function api_lists($type) {
2577                 $ret = array();
2578                 return api_format_data('lists', $type, array("lists_list" => $ret));
2579         }
2580         api_register_func('api/lists','api_lists',true);
2581
2582         function api_lists_list($type) {
2583                 $ret = array();
2584                 return api_format_data('lists', $type, array("lists_list" => $ret));
2585         }
2586         api_register_func('api/lists/list','api_lists_list',true);
2587
2588         /**
2589          *  https://dev.twitter.com/docs/api/1/get/statuses/friends
2590          *  This function is deprecated by Twitter
2591          *  returns: json, xml
2592          **/
2593         function api_statuses_f($type, $qtype) {
2594
2595                 $a = get_app();
2596
2597                 if (api_user()===false) throw new ForbiddenException();
2598                 $user_info = api_get_user($a);
2599
2600                 if (x($_GET,'cursor') && $_GET['cursor']=='undefined'){
2601                         /* this is to stop Hotot to load friends multiple times
2602                         *  I'm not sure if I'm missing return something or
2603                         *  is a bug in hotot. Workaround, meantime
2604                         */
2605
2606                         /*$ret=Array();
2607                         return array('$users' => $ret);*/
2608                         return false;
2609                 }
2610
2611                 if($qtype == 'friends')
2612                         $sql_extra = sprintf(" AND ( `rel` = %d OR `rel` = %d ) ", intval(CONTACT_IS_SHARING), intval(CONTACT_IS_FRIEND));
2613                 if($qtype == 'followers')
2614                         $sql_extra = sprintf(" AND ( `rel` = %d OR `rel` = %d ) ", intval(CONTACT_IS_FOLLOWER), intval(CONTACT_IS_FRIEND));
2615
2616                 // friends and followers only for self
2617                 if ($user_info['self'] == 0)
2618                         $sql_extra = " AND false ";
2619
2620                 $r = q("SELECT `nurl` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 AND `pending` = 0 $sql_extra",
2621                         intval(api_user())
2622                 );
2623
2624                 $ret = array();
2625                 foreach($r as $cid){
2626                         $user = api_get_user($a, $cid['nurl']);
2627                         // "uid" and "self" are only needed for some internal stuff, so remove it from here
2628                         unset($user["uid"]);
2629                         unset($user["self"]);
2630
2631                         if ($user)
2632                                 $ret[] = $user;
2633                 }
2634
2635                 return array('user' => $ret);
2636
2637         }
2638         function api_statuses_friends($type){
2639                 $data =  api_statuses_f($type, "friends");
2640                 if ($data===false) return false;
2641                 return  api_format_data("users", $type, $data);
2642         }
2643         function api_statuses_followers($type){
2644                 $data = api_statuses_f($type, "followers");
2645                 if ($data===false) return false;
2646                 return  api_format_data("users", $type, $data);
2647         }
2648         api_register_func('api/statuses/friends','api_statuses_friends',true);
2649         api_register_func('api/statuses/followers','api_statuses_followers',true);
2650
2651
2652
2653
2654
2655
2656         function api_statusnet_config($type) {
2657
2658                 $a = get_app();
2659
2660                 $name = $a->config['sitename'];
2661                 $server = $a->get_hostname();
2662                 $logo = App::get_baseurl() . '/images/friendica-64.png';
2663                 $email = $a->config['admin_email'];
2664                 $closed = (($a->config['register_policy'] == REGISTER_CLOSED) ? 'true' : 'false');
2665                 $private = (($a->config['system']['block_public']) ? 'true' : 'false');
2666                 $textlimit = (string) (($a->config['max_import_size']) ? $a->config['max_import_size'] : 200000);
2667                 if($a->config['api_import_size'])
2668                         $texlimit = string($a->config['api_import_size']);
2669                 $ssl = (($a->config['system']['have_ssl']) ? 'true' : 'false');
2670                 $sslserver = (($ssl === 'true') ? str_replace('http:','https:',App::get_baseurl()) : '');
2671
2672                 $config = array(
2673                         'site' => array('name' => $name,'server' => $server, 'theme' => 'default', 'path' => '',
2674                                 'logo' => $logo, 'fancy' => true, 'language' => 'en', 'email' => $email, 'broughtby' => '',
2675                                 'broughtbyurl' => '', 'timezone' => 'UTC', 'closed' => $closed, 'inviteonly' => false,
2676                                 'private' => $private, 'textlimit' => $textlimit, 'sslserver' => $sslserver, 'ssl' => $ssl,
2677                                 'shorturllength' => '30',
2678                                 'friendica' => array(
2679                                                 'FRIENDICA_PLATFORM' => FRIENDICA_PLATFORM,
2680                                                 'FRIENDICA_VERSION' => FRIENDICA_VERSION,
2681                                                 'DFRN_PROTOCOL_VERSION' => DFRN_PROTOCOL_VERSION,
2682                                                 'DB_UPDATE_VERSION' => DB_UPDATE_VERSION
2683                                                 )
2684                         ),
2685                 );
2686
2687                 return api_format_data('config', $type, array('config' => $config));
2688
2689         }
2690         api_register_func('api/statusnet/config','api_statusnet_config',false);
2691
2692         function api_statusnet_version($type) {
2693                 // liar
2694                 $fake_statusnet_version = "0.9.7";
2695
2696                 return api_format_data('version', $type, array('version' => $fake_statusnet_version));
2697         }
2698         api_register_func('api/statusnet/version','api_statusnet_version',false);
2699
2700         /**
2701          * @todo use api_format_data() to return data
2702          */
2703         function api_ff_ids($type,$qtype) {
2704
2705                 $a = get_app();
2706
2707                 if(! api_user()) throw new ForbiddenException();
2708
2709                 $user_info = api_get_user($a);
2710
2711                 if($qtype == 'friends')
2712                         $sql_extra = sprintf(" AND ( `rel` = %d OR `rel` = %d ) ", intval(CONTACT_IS_SHARING), intval(CONTACT_IS_FRIEND));
2713                 if($qtype == 'followers')
2714                         $sql_extra = sprintf(" AND ( `rel` = %d OR `rel` = %d ) ", intval(CONTACT_IS_FOLLOWER), intval(CONTACT_IS_FRIEND));
2715
2716                 if (!$user_info["self"])
2717                         $sql_extra = " AND false ";
2718
2719                 $stringify_ids = (x($_REQUEST,'stringify_ids')?$_REQUEST['stringify_ids']:false);
2720
2721                 $r = q("SELECT `gcontact`.`id` FROM `contact`, `gcontact` WHERE `contact`.`nurl` = `gcontact`.`nurl` AND `uid` = %d AND NOT `self` AND NOT `blocked` AND NOT `pending` $sql_extra",
2722                         intval(api_user())
2723                 );
2724
2725                 if(!dbm::is_result($r))
2726                         return;
2727
2728                 $ids = array();
2729                 foreach($r as $rr)
2730                         if ($stringify_ids)
2731                                 $ids[] = $rr['id'];
2732                         else
2733                                 $ids[] = intval($rr['id']);
2734
2735                 return api_format_data("ids", $type, array('id' => $ids));
2736         }
2737
2738         function api_friends_ids($type) {
2739                 return api_ff_ids($type,'friends');
2740         }
2741         function api_followers_ids($type) {
2742                 return api_ff_ids($type,'followers');
2743         }
2744         api_register_func('api/friends/ids','api_friends_ids',true);
2745         api_register_func('api/followers/ids','api_followers_ids',true);
2746
2747
2748         function api_direct_messages_new($type) {
2749
2750                 $a = get_app();
2751
2752                 if (api_user()===false) throw new ForbiddenException();
2753
2754                 if (!x($_POST, "text") OR (!x($_POST,"screen_name") AND !x($_POST,"user_id"))) return;
2755
2756                 $sender = api_get_user($a);
2757
2758                 if ($_POST['screen_name']) {
2759                         $r = q("SELECT `id`, `nurl`, `network` FROM `contact` WHERE `uid`=%d AND `nick`='%s'",
2760                                         intval(api_user()),
2761                                         dbesc($_POST['screen_name']));
2762
2763                         // Selecting the id by priority, friendica first
2764                         api_best_nickname($r);
2765
2766                         $recipient = api_get_user($a, $r[0]['nurl']);
2767                 } else
2768                         $recipient = api_get_user($a, $_POST['user_id']);
2769
2770                 $replyto = '';
2771                 $sub     = '';
2772                 if (x($_REQUEST,'replyto')) {
2773                         $r = q('SELECT `parent-uri`, `title` FROM `mail` WHERE `uid`=%d AND `id`=%d',
2774                                         intval(api_user()),
2775                                         intval($_REQUEST['replyto']));
2776                         $replyto = $r[0]['parent-uri'];
2777                         $sub     = $r[0]['title'];
2778                 }
2779                 else {
2780                         if (x($_REQUEST,'title')) {
2781                                 $sub = $_REQUEST['title'];
2782                         }
2783                         else {
2784                                 $sub = ((strlen($_POST['text'])>10)?substr($_POST['text'],0,10)."...":$_POST['text']);
2785                         }
2786                 }
2787
2788                 $id = send_message($recipient['cid'], $_POST['text'], $sub, $replyto);
2789
2790                 if ($id>-1) {
2791                         $r = q("SELECT * FROM `mail` WHERE id=%d", intval($id));
2792                         $ret = api_format_messages($r[0], $recipient, $sender);
2793
2794                 } else {
2795                         $ret = array("error"=>$id);
2796                 }
2797
2798                 $data = Array('direct_message'=>$ret);
2799
2800                 switch($type){
2801                         case "atom":
2802                         case "rss":
2803                                 $data = api_rss_extra($a, $data, $user_info);
2804                 }
2805
2806                 return  api_format_data("direct-messages", $type, $data);
2807
2808         }
2809         api_register_func('api/direct_messages/new','api_direct_messages_new',true, API_METHOD_POST);
2810
2811         function api_direct_messages_box($type, $box, $verbose) {
2812
2813                 $a = get_app();
2814
2815                 if (api_user()===false) throw new ForbiddenException();
2816
2817                 // params
2818                 $count = (x($_GET,'count')?$_GET['count']:20);
2819                 $page = (x($_REQUEST,'page')?$_REQUEST['page']-1:0);
2820                 if ($page<0) $page=0;
2821
2822                 $since_id = (x($_REQUEST,'since_id')?$_REQUEST['since_id']:0);
2823                 $max_id = (x($_REQUEST,'max_id')?$_REQUEST['max_id']:0);
2824
2825                 $user_id = (x($_REQUEST,'user_id')?$_REQUEST['user_id']:"");
2826                 $screen_name = (x($_REQUEST,'screen_name')?$_REQUEST['screen_name']:"");
2827
2828                 //  caller user info
2829                 unset($_REQUEST["user_id"]);
2830                 unset($_GET["user_id"]);
2831
2832                 unset($_REQUEST["screen_name"]);
2833                 unset($_GET["screen_name"]);
2834
2835                 $user_info = api_get_user($a);
2836                 $profile_url = $user_info["url"];
2837
2838
2839                 // pagination
2840                 $start = $page*$count;
2841
2842                 // filters
2843                 if ($box=="sentbox") {
2844                         $sql_extra = "`mail`.`from-url`='".dbesc( $profile_url )."'";
2845                 }
2846                 elseif ($box=="conversation") {
2847                         $sql_extra = "`mail`.`parent-uri`='".dbesc( $_GET["uri"] )  ."'";
2848                 }
2849                 elseif ($box=="all") {
2850                         $sql_extra = "true";
2851                 }
2852                 elseif ($box=="inbox") {
2853                         $sql_extra = "`mail`.`from-url`!='".dbesc( $profile_url )."'";
2854                 }
2855
2856                 if ($max_id > 0)
2857                         $sql_extra .= ' AND `mail`.`id` <= '.intval($max_id);
2858
2859                 if ($user_id !="") {
2860                         $sql_extra .= ' AND `mail`.`contact-id` = ' . intval($user_id);
2861                 }
2862                 elseif($screen_name !=""){
2863                         $sql_extra .= " AND `contact`.`nick` = '" . dbesc($screen_name). "'";
2864                 }
2865
2866                 $r = q("SELECT `mail`.*, `contact`.`nurl` AS `contact-url` FROM `mail`,`contact` WHERE `mail`.`contact-id` = `contact`.`id` AND `mail`.`uid`=%d AND $sql_extra AND `mail`.`id` > %d ORDER BY `mail`.`id` DESC LIMIT %d,%d",
2867                                 intval(api_user()),
2868                                 intval($since_id),
2869                                 intval($start), intval($count)
2870                 );
2871                 if ($verbose == "true") {
2872                         // stop execution and return error message if no mails available
2873                         if($r == null) {
2874                                 $answer = array('result' => 'error', 'message' => 'no mails available');
2875                                 return api_format_data("direct_messages_all", $type, array('$result' => $answer));
2876                         }
2877                 }
2878
2879                 $ret = Array();
2880                 foreach($r as $item) {
2881                         if ($box == "inbox" || $item['from-url'] != $profile_url){
2882                                 $recipient = $user_info;
2883                                 $sender = api_get_user($a,normalise_link($item['contact-url']));
2884                         }
2885                         elseif ($box == "sentbox" || $item['from-url'] == $profile_url){
2886                                 $recipient = api_get_user($a,normalise_link($item['contact-url']));
2887                                 $sender = $user_info;
2888
2889                         }
2890                         $ret[]=api_format_messages($item, $recipient, $sender);
2891                 }
2892
2893
2894                 $data = array('direct_message' => $ret);
2895                 switch($type){
2896                         case "atom":
2897                         case "rss":
2898                                 $data = api_rss_extra($a, $data, $user_info);
2899                 }
2900
2901                 return  api_format_data("direct-messages", $type, $data);
2902
2903         }
2904
2905         function api_direct_messages_sentbox($type){
2906                 $verbose = (x($_GET,'friendica_verbose')?strtolower($_GET['friendica_verbose']):"false");
2907                 return api_direct_messages_box($type, "sentbox", $verbose);
2908         }
2909         function api_direct_messages_inbox($type){
2910                 $verbose = (x($_GET,'friendica_verbose')?strtolower($_GET['friendica_verbose']):"false");
2911                 return api_direct_messages_box($type, "inbox", $verbose);
2912         }
2913         function api_direct_messages_all($type){
2914                 $verbose = (x($_GET,'friendica_verbose')?strtolower($_GET['friendica_verbose']):"false");
2915                 return api_direct_messages_box($type, "all", $verbose);
2916         }
2917         function api_direct_messages_conversation($type){
2918                 $verbose = (x($_GET,'friendica_verbose')?strtolower($_GET['friendica_verbose']):"false");
2919                 return api_direct_messages_box($type, "conversation", $verbose);
2920         }
2921         api_register_func('api/direct_messages/conversation','api_direct_messages_conversation',true);
2922         api_register_func('api/direct_messages/all','api_direct_messages_all',true);
2923         api_register_func('api/direct_messages/sent','api_direct_messages_sentbox',true);
2924         api_register_func('api/direct_messages','api_direct_messages_inbox',true);
2925
2926
2927
2928         function api_oauth_request_token($type){
2929                 try{
2930                         $oauth = new FKOAuth1();
2931                         $r = $oauth->fetch_request_token(OAuthRequest::from_request());
2932                 }catch(Exception $e){
2933                         echo "error=". OAuthUtil::urlencode_rfc3986($e->getMessage()); killme();
2934                 }
2935                 echo $r;
2936                 killme();
2937         }
2938         function api_oauth_access_token($type){
2939                 try{
2940                         $oauth = new FKOAuth1();
2941                         $r = $oauth->fetch_access_token(OAuthRequest::from_request());
2942                 }catch(Exception $e){
2943                         echo "error=". OAuthUtil::urlencode_rfc3986($e->getMessage()); killme();
2944                 }
2945                 echo $r;
2946                 killme();
2947         }
2948
2949         api_register_func('api/oauth/request_token', 'api_oauth_request_token', false);
2950         api_register_func('api/oauth/access_token', 'api_oauth_access_token', false);
2951
2952
2953         function api_fr_photos_list($type) {
2954                 if (api_user()===false) throw new ForbiddenException();
2955                 $r = q("select `resource-id`, max(scale) as scale, album, filename, type from photo
2956                                 where uid = %d and album != 'Contact Photos' group by `resource-id`",
2957                         intval(local_user())
2958                 );
2959                 $typetoext = array(
2960                 'image/jpeg' => 'jpg',
2961                 'image/png' => 'png',
2962                 'image/gif' => 'gif'
2963                 );
2964                 $data = array('photo'=>array());
2965                 if($r) {
2966                         foreach($r as $rr) {
2967                                 $photo = array();
2968                                 $photo['id'] = $rr['resource-id'];
2969                                 $photo['album'] = $rr['album'];
2970                                 $photo['filename'] = $rr['filename'];
2971                                 $photo['type'] = $rr['type'];
2972                                 $thumb = App::get_baseurl()."/photo/".$rr['resource-id']."-".$rr['scale'].".".$typetoext[$rr['type']];
2973
2974                                 if ($type == "xml")
2975                                         $data['photo'][] = array("@attributes" => $photo, "1" => $thumb);
2976                                 else {
2977                                         $photo['thumb'] = $thumb;
2978                                         $data['photo'][] = $photo;
2979                                 }
2980                         }
2981                 }
2982                 return  api_format_data("photos", $type, $data);
2983         }
2984
2985         function api_fr_photo_detail($type) {
2986                 if (api_user()===false) throw new ForbiddenException();
2987                 if(!x($_REQUEST,'photo_id')) throw new BadRequestException("No photo id.");
2988
2989                 $scale = (x($_REQUEST, 'scale') ? intval($_REQUEST['scale']) : false);
2990                 $scale_sql = ($scale === false ? "" : sprintf("and scale=%d",intval($scale)));
2991                 $data_sql = ($scale === false ? "" : "data, ");
2992
2993                 $r = q("select %s `resource-id`, `created`, `edited`, `title`, `desc`, `album`, `filename`,
2994                                                 `type`, `height`, `width`, `datasize`, `profile`, min(`scale`) as minscale, max(`scale`) as maxscale
2995                                 from photo where `uid` = %d and `resource-id` = '%s' %s group by `resource-id`",
2996                         $data_sql,
2997                         intval(local_user()),
2998                         dbesc($_REQUEST['photo_id']),
2999                         $scale_sql
3000                 );
3001
3002                 $typetoext = array(
3003                 'image/jpeg' => 'jpg',
3004                 'image/png' => 'png',
3005                 'image/gif' => 'gif'
3006                 );
3007
3008                 if ($r) {
3009                         $data = array('photo' => $r[0]);
3010                         $data['photo']['id'] = $data['photo']['resource-id'];
3011                         if ($scale !== false) {
3012                                 $data['photo']['data'] = base64_encode($data['photo']['data']);
3013                         } else {
3014                                 unset($data['photo']['datasize']); //needed only with scale param
3015                         }
3016                         if ($type == "xml") {
3017                                 $data['photo']['links'] = array();
3018                                 for ($k=intval($data['photo']['minscale']); $k<=intval($data['photo']['maxscale']); $k++)
3019                                         $data['photo']['links'][$k.":link"]["@attributes"] = array("type" => $data['photo']['type'],
3020                                                                                         "scale" => $k,
3021                                                                                         "href" => App::get_baseurl()."/photo/".$data['photo']['resource-id']."-".$k.".".$typetoext[$data['photo']['type']]);
3022                         } else {
3023                                 $data['photo']['link'] = array();
3024                                 for ($k=intval($data['photo']['minscale']); $k<=intval($data['photo']['maxscale']); $k++) {
3025                                         $data['photo']['link'][$k] = App::get_baseurl()."/photo/".$data['photo']['resource-id']."-".$k.".".$typetoext[$data['photo']['type']];
3026                                 }
3027                         }
3028                         unset($data['photo']['resource-id']);
3029                         unset($data['photo']['minscale']);
3030                         unset($data['photo']['maxscale']);
3031
3032                 } else {
3033                         throw new NotFoundException();
3034                 }
3035
3036                 return api_format_data("photo_detail", $type, $data);
3037         }
3038
3039         api_register_func('api/friendica/photos/list', 'api_fr_photos_list', true);
3040         api_register_func('api/friendica/photo', 'api_fr_photo_detail', true);
3041
3042
3043
3044         /**
3045          * similar as /mod/redir.php
3046          * redirect to 'url' after dfrn auth
3047          *
3048          * why this when there is mod/redir.php already?
3049          * This use api_user() and api_login()
3050          *
3051          * params
3052          *              c_url: url of remote contact to auth to
3053          *              url: string, url to redirect after auth
3054          */
3055         function api_friendica_remoteauth() {
3056                 $url = ((x($_GET,'url')) ? $_GET['url'] : '');
3057                 $c_url = ((x($_GET,'c_url')) ? $_GET['c_url'] : '');
3058
3059                 if ($url === '' || $c_url === '')
3060                         throw new BadRequestException("Wrong parameters.");
3061
3062                 $c_url = normalise_link($c_url);
3063
3064                 // traditional DFRN
3065
3066                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `nurl` = '%s' LIMIT 1",
3067                         dbesc($c_url),
3068                         intval(api_user())
3069                 );
3070
3071                 if ((! count($r)) || ($r[0]['network'] !== NETWORK_DFRN))
3072                         throw new BadRequestException("Unknown contact");
3073
3074                 $cid = $r[0]['id'];
3075
3076                 $dfrn_id = $orig_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']);
3077
3078                 if($r[0]['duplex'] && $r[0]['issued-id']) {
3079                         $orig_id = $r[0]['issued-id'];
3080                         $dfrn_id = '1:' . $orig_id;
3081                 }
3082                 if($r[0]['duplex'] && $r[0]['dfrn-id']) {
3083                         $orig_id = $r[0]['dfrn-id'];
3084                         $dfrn_id = '0:' . $orig_id;
3085                 }
3086
3087                 $sec = random_string();
3088
3089                 q("INSERT INTO `profile_check` ( `uid`, `cid`, `dfrn_id`, `sec`, `expire`)
3090                         VALUES( %d, %s, '%s', '%s', %d )",
3091                         intval(api_user()),
3092                         intval($cid),
3093                         dbesc($dfrn_id),
3094                         dbesc($sec),
3095                         intval(time() + 45)
3096                 );
3097
3098                 logger($r[0]['name'] . ' ' . $sec, LOGGER_DEBUG);
3099                 $dest = (($url) ? '&destination_url=' . $url : '');
3100                 goaway ($r[0]['poll'] . '?dfrn_id=' . $dfrn_id
3101                                 . '&dfrn_version=' . DFRN_PROTOCOL_VERSION
3102                                 . '&type=profile&sec=' . $sec . $dest . $quiet );
3103         }
3104         api_register_func('api/friendica/remoteauth', 'api_friendica_remoteauth', true);
3105
3106         /**
3107          * @brief Return the item shared, if the item contains only the [share] tag
3108          *
3109          * @param array $item Sharer item
3110          * @return array Shared item or false if not a reshare
3111          */
3112         function api_share_as_retweet(&$item) {
3113                 $body = trim($item["body"]);
3114
3115                 if (diaspora::is_reshare($body, false)===false) {
3116                         return false;
3117                 }
3118
3119                 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
3120                 // Skip if there is no shared message in there
3121                 // we already checked this in diaspora::is_reshare()
3122                 // but better one more than one less...
3123                 if ($body == $attributes)
3124                         return false;
3125
3126
3127                 // build the fake reshared item
3128                 $reshared_item = $item;
3129
3130                 $author = "";
3131                 preg_match("/author='(.*?)'/ism", $attributes, $matches);
3132                 if ($matches[1] != "")
3133                         $author = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
3134
3135                 preg_match('/author="(.*?)"/ism', $attributes, $matches);
3136                 if ($matches[1] != "")
3137                         $author = $matches[1];
3138
3139                 $profile = "";
3140                 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
3141                 if ($matches[1] != "")
3142                         $profile = $matches[1];
3143
3144                 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
3145                 if ($matches[1] != "")
3146                         $profile = $matches[1];
3147
3148                 $avatar = "";
3149                 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
3150                 if ($matches[1] != "")
3151                         $avatar = $matches[1];
3152
3153                 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
3154                 if ($matches[1] != "")
3155                         $avatar = $matches[1];
3156
3157                 $link = "";
3158                 preg_match("/link='(.*?)'/ism", $attributes, $matches);
3159                 if ($matches[1] != "")
3160                         $link = $matches[1];
3161
3162                 preg_match('/link="(.*?)"/ism', $attributes, $matches);
3163                 if ($matches[1] != "")
3164                         $link = $matches[1];
3165
3166                 $posted = "";
3167                 preg_match("/posted='(.*?)'/ism", $attributes, $matches);
3168                 if ($matches[1] != "")
3169                         $posted= $matches[1];
3170
3171                 preg_match('/posted="(.*?)"/ism', $attributes, $matches);
3172                 if ($matches[1] != "")
3173                         $posted = $matches[1];
3174
3175                 $shared_body = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$2",$body);
3176
3177                 if (($shared_body == "") || ($profile == "") || ($author == "") || ($avatar == "") || ($posted == ""))
3178                         return false;
3179
3180
3181
3182                 $reshared_item["body"] = $shared_body;
3183                 $reshared_item["author-name"] = $author;
3184                 $reshared_item["author-link"] = $profile;
3185                 $reshared_item["author-avatar"] = $avatar;
3186                 $reshared_item["plink"] = $link;
3187                 $reshared_item["created"] = $posted;
3188                 $reshared_item["edited"] = $posted;
3189
3190                 return $reshared_item;
3191
3192         }
3193
3194         function api_get_nick($profile) {
3195                 /* To-Do:
3196                  - remove trailing junk from profile url
3197                  - pump.io check has to check the website
3198                 */
3199
3200                 $nick = "";
3201
3202                 $r = q("SELECT `nick` FROM `gcontact` WHERE `nurl` = '%s'",
3203                         dbesc(normalise_link($profile)));
3204                 if ($r)
3205                         $nick = $r[0]["nick"];
3206
3207                 if (!$nick == "") {
3208                         $r = q("SELECT `nick` FROM `contact` WHERE `uid` = 0 AND `nurl` = '%s'",
3209                                 dbesc(normalise_link($profile)));
3210                         if ($r)
3211                                 $nick = $r[0]["nick"];
3212                 }
3213
3214                 if (!$nick == "") {
3215                         $friendica = preg_replace("=https?://(.*)/profile/(.*)=ism", "$2", $profile);
3216                         if ($friendica != $profile)
3217                                 $nick = $friendica;
3218                 }
3219
3220                 if (!$nick == "") {
3221                         $diaspora = preg_replace("=https?://(.*)/u/(.*)=ism", "$2", $profile);
3222                         if ($diaspora != $profile)
3223                                 $nick = $diaspora;
3224                 }
3225
3226                 if (!$nick == "") {
3227                         $twitter = preg_replace("=https?://twitter.com/(.*)=ism", "$1", $profile);
3228                         if ($twitter != $profile)
3229                                 $nick = $twitter;
3230                 }
3231
3232
3233                 if (!$nick == "") {
3234                         $StatusnetHost = preg_replace("=https?://(.*)/user/(.*)=ism", "$1", $profile);
3235                         if ($StatusnetHost != $profile) {
3236                                 $StatusnetUser = preg_replace("=https?://(.*)/user/(.*)=ism", "$2", $profile);
3237                                 if ($StatusnetUser != $profile) {
3238                                         $UserData = fetch_url("http://".$StatusnetHost."/api/users/show.json?user_id=".$StatusnetUser);
3239                                         $user = json_decode($UserData);
3240                                         if ($user)
3241                                                 $nick = $user->screen_name;
3242                                 }
3243                         }
3244                 }
3245
3246                 // To-Do: look at the page if its really a pumpio site
3247                 //if (!$nick == "") {
3248                 //      $pumpio = preg_replace("=https?://(.*)/(.*)/=ism", "$2", $profile."/");
3249                 //      if ($pumpio != $profile)
3250                 //              $nick = $pumpio;
3251                         //      <div class="media" id="profile-block" data-profile-id="acct:kabniel@microca.st">
3252
3253                 //}
3254
3255                 if ($nick != "")
3256                         return($nick);
3257
3258                 return(false);
3259         }
3260
3261         function api_clean_plain_items($Text) {
3262                 $include_entities = strtolower(x($_REQUEST,'include_entities')?$_REQUEST['include_entities']:"false");
3263
3264                 $Text = bb_CleanPictureLinks($Text);
3265                 $URLSearchString = "^\[\]";
3266
3267                 $Text = preg_replace("/([!#@])\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",'$1$3',$Text);
3268
3269                 if ($include_entities == "true") {
3270                         $Text = preg_replace("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",'[url=$1]$1[/url]',$Text);
3271                 }
3272
3273                 // Simplify "attachment" element
3274                 $Text = api_clean_attachments($Text);
3275
3276                 return($Text);
3277         }
3278
3279         /**
3280          * @brief Removes most sharing information for API text export
3281          *
3282          * @param string $body The original body
3283          *
3284          * @return string Cleaned body
3285          */
3286         function api_clean_attachments($body) {
3287                 $data = get_attachment_data($body);
3288
3289                 if (!$data)
3290                         return $body;
3291
3292                 $body = "";
3293
3294                 if (isset($data["text"]))
3295                         $body = $data["text"];
3296
3297                 if (($body == "") AND (isset($data["title"])))
3298                         $body = $data["title"];
3299
3300                 if (isset($data["url"]))
3301                         $body .= "\n".$data["url"];
3302
3303                 $body .= $data["after"];
3304
3305                 return $body;
3306         }
3307
3308         function api_best_nickname(&$contacts) {
3309                 $best_contact = array();
3310
3311                 if (count($contact) == 0)
3312                         return;
3313
3314                 foreach ($contacts AS $contact)
3315                         if ($contact["network"] == "") {
3316                                 $contact["network"] = "dfrn";
3317                                 $best_contact = array($contact);
3318                         }
3319
3320                 if (sizeof($best_contact) == 0)
3321                         foreach ($contacts AS $contact)
3322                                 if ($contact["network"] == "dfrn")
3323                                         $best_contact = array($contact);
3324
3325                 if (sizeof($best_contact) == 0)
3326                         foreach ($contacts AS $contact)
3327                                 if ($contact["network"] == "dspr")
3328                                         $best_contact = array($contact);
3329
3330                 if (sizeof($best_contact) == 0)
3331                         foreach ($contacts AS $contact)
3332                                 if ($contact["network"] == "stat")
3333                                         $best_contact = array($contact);
3334
3335                 if (sizeof($best_contact) == 0)
3336                         foreach ($contacts AS $contact)
3337                                 if ($contact["network"] == "pump")
3338                                         $best_contact = array($contact);
3339
3340                 if (sizeof($best_contact) == 0)
3341                         foreach ($contacts AS $contact)
3342                                 if ($contact["network"] == "twit")
3343                                         $best_contact = array($contact);
3344
3345                 if (sizeof($best_contact) == 1)
3346                         $contacts = $best_contact;
3347                 else
3348                         $contacts = array($contacts[0]);
3349         }
3350
3351         // return all or a specified group of the user with the containing contacts
3352         function api_friendica_group_show($type) {
3353
3354                 $a = get_app();
3355
3356                 if (api_user()===false) throw new ForbiddenException();
3357
3358                 // params
3359                 $user_info = api_get_user($a);
3360                 $gid = (x($_REQUEST,'gid') ? $_REQUEST['gid'] : 0);
3361                 $uid = $user_info['uid'];
3362
3363                 // get data of the specified group id or all groups if not specified
3364                 if ($gid != 0) {
3365                         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d AND `id` = %d",
3366                                 intval($uid),
3367                                 intval($gid));
3368                         // error message if specified gid is not in database
3369                         if (count($r) == 0)
3370                                 throw new BadRequestException("gid not available");
3371                 }
3372                 else
3373                         $r = q("SELECT * FROM `group` WHERE `deleted` = 0 AND `uid` = %d",
3374                                 intval($uid));
3375
3376                 // loop through all groups and retrieve all members for adding data in the user array
3377                 foreach ($r as $rr) {
3378                         $members = group_get_members($rr['id']);
3379                         $users = array();
3380
3381                         if ($type == "xml") {
3382                                 $user_element = "users";
3383                                 $k = 0;
3384                                 foreach ($members as $member) {
3385                                         $user = api_get_user($a, $member['nurl']);
3386                                         $users[$k++.":user"] = $user;
3387                                 }
3388                         } else {
3389                                 $user_element = "user";
3390                                 foreach ($members as $member) {
3391                                         $user = api_get_user($a, $member['nurl']);
3392                                         $users[] = $user;
3393                                 }
3394                         }
3395                         $grps[] = array('name' => $rr['name'], 'gid' => $rr['id'], $user_element => $users);
3396                 }
3397                 return api_format_data("groups", $type, array('group' => $grps));
3398         }
3399         api_register_func('api/friendica/group_show', 'api_friendica_group_show', true);
3400
3401
3402         // delete the specified group of the user
3403         function api_friendica_group_delete($type) {
3404
3405                 $a = get_app();
3406
3407                 if (api_user()===false) throw new ForbiddenException();
3408
3409                 // params
3410                 $user_info = api_get_user($a);
3411                 $gid = (x($_REQUEST,'gid') ? $_REQUEST['gid'] : 0);
3412                 $name = (x($_REQUEST, 'name') ? $_REQUEST['name'] : "");
3413                 $uid = $user_info['uid'];
3414
3415                 // error if no gid specified
3416                 if ($gid == 0 || $name == "")
3417                         throw new BadRequestException('gid or name not specified');
3418
3419                 // get data of the specified group id
3420                 $r = q("SELECT * FROM `group` WHERE `uid` = %d AND `id` = %d",
3421                         intval($uid),
3422                         intval($gid));
3423                 // error message if specified gid is not in database
3424                 if (count($r) == 0)
3425                         throw new BadRequestException('gid not available');
3426
3427                 // get data of the specified group id and group name
3428                 $rname = q("SELECT * FROM `group` WHERE `uid` = %d AND `id` = %d AND `name` = '%s'",
3429                         intval($uid),
3430                         intval($gid),
3431                         dbesc($name));
3432                 // error message if specified gid is not in database
3433                 if (count($rname) == 0)
3434                         throw new BadRequestException('wrong group name');
3435
3436                 // delete group
3437                 $ret = group_rmv($uid, $name);
3438                 if ($ret) {
3439                         // return success
3440                         $success = array('success' => $ret, 'gid' => $gid, 'name' => $name, 'status' => 'deleted', 'wrong users' => array());
3441                         return api_format_data("group_delete", $type, array('result' => $success));
3442                 }
3443                 else
3444                         throw new BadRequestException('other API error');
3445         }
3446         api_register_func('api/friendica/group_delete', 'api_friendica_group_delete', true, API_METHOD_DELETE);
3447
3448
3449         // create the specified group with the posted array of contacts
3450         function api_friendica_group_create($type) {
3451
3452                 $a = get_app();
3453
3454                 if (api_user()===false) throw new ForbiddenException();
3455
3456                 // params
3457                 $user_info = api_get_user($a);
3458                 $name = (x($_REQUEST, 'name') ? $_REQUEST['name'] : "");
3459                 $uid = $user_info['uid'];
3460                 $json = json_decode($_POST['json'], true);
3461                 $users = $json['user'];
3462
3463                 // error if no name specified
3464                 if ($name == "")
3465                         throw new BadRequestException('group name not specified');
3466
3467                 // get data of the specified group name
3468                 $rname = q("SELECT * FROM `group` WHERE `uid` = %d AND `name` = '%s' AND `deleted` = 0",
3469                         intval($uid),
3470                         dbesc($name));
3471                 // error message if specified group name already exists
3472                 if (count($rname) != 0)
3473                         throw new BadRequestException('group name already exists');
3474
3475                 // check if specified group name is a deleted group
3476                 $rname = q("SELECT * FROM `group` WHERE `uid` = %d AND `name` = '%s' AND `deleted` = 1",
3477                         intval($uid),
3478                         dbesc($name));
3479                 // error message if specified group name already exists
3480                 if (count($rname) != 0)
3481                         $reactivate_group = true;
3482
3483                 // create group
3484                 $ret = group_add($uid, $name);
3485                 if ($ret)
3486                         $gid = group_byname($uid, $name);
3487                 else
3488                         throw new BadRequestException('other API error');
3489
3490                 // add members
3491                 $erroraddinguser = false;
3492                 $errorusers = array();
3493                 foreach ($users as $user) {
3494                         $cid = $user['cid'];
3495                         // check if user really exists as contact
3496                         $contact = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d",
3497                                 intval($cid),
3498                                 intval($uid));
3499                         if (count($contact))
3500                                 $result = group_add_member($uid, $name, $cid, $gid);
3501                         else {
3502                                 $erroraddinguser = true;
3503                                 $errorusers[] = $cid;
3504                         }
3505                 }
3506
3507                 // return success message incl. missing users in array
3508                 $status = ($erroraddinguser ? "missing user" : ($reactivate_group ? "reactivated" : "ok"));
3509                 $success = array('success' => true, 'gid' => $gid, 'name' => $name, 'status' => $status, 'wrong users' => $errorusers);
3510                 return api_format_data("group_create", $type, array('result' => $success));
3511         }
3512         api_register_func('api/friendica/group_create', 'api_friendica_group_create', true, API_METHOD_POST);
3513
3514
3515         // update the specified group with the posted array of contacts
3516         function api_friendica_group_update($type) {
3517
3518                 $a = get_app();
3519
3520                 if (api_user()===false) throw new ForbiddenException();
3521
3522                 // params
3523                 $user_info = api_get_user($a);
3524                 $uid = $user_info['uid'];
3525                 $gid = (x($_REQUEST, 'gid') ? $_REQUEST['gid'] : 0);
3526                 $name = (x($_REQUEST, 'name') ? $_REQUEST['name'] : "");
3527                 $json = json_decode($_POST['json'], true);
3528                 $users = $json['user'];
3529
3530                 // error if no name specified
3531                 if ($name == "")
3532                         throw new BadRequestException('group name not specified');
3533
3534                 // error if no gid specified
3535                 if ($gid == "")
3536                         throw new BadRequestException('gid not specified');
3537
3538                 // remove members
3539                 $members = group_get_members($gid);
3540                 foreach ($members as $member) {
3541                         $cid = $member['id'];
3542                         foreach ($users as $user) {
3543                                 $found = ($user['cid'] == $cid ? true : false);
3544                         }
3545                         if (!$found) {
3546                                 $ret = group_rmv_member($uid, $name, $cid);
3547                         }
3548                 }
3549
3550                 // add members
3551                 $erroraddinguser = false;
3552                 $errorusers = array();
3553                 foreach ($users as $user) {
3554                         $cid = $user['cid'];
3555                         // check if user really exists as contact
3556                         $contact = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d",
3557                                 intval($cid),
3558                                 intval($uid));
3559                         if (count($contact))
3560                                 $result = group_add_member($uid, $name, $cid, $gid);
3561                         else {
3562                                 $erroraddinguser = true;
3563                                 $errorusers[] = $cid;
3564                         }
3565                 }
3566
3567                 // return success message incl. missing users in array
3568                 $status = ($erroraddinguser ? "missing user" : "ok");
3569                 $success = array('success' => true, 'gid' => $gid, 'name' => $name, 'status' => $status, 'wrong users' => $errorusers);
3570                 return api_format_data("group_update", $type, array('result' => $success));
3571         }
3572         api_register_func('api/friendica/group_update', 'api_friendica_group_update', true, API_METHOD_POST);
3573
3574
3575         function api_friendica_activity($type) {
3576
3577                 $a = get_app();
3578
3579                 if (api_user()===false) throw new ForbiddenException();
3580                 $verb = strtolower($a->argv[3]);
3581                 $verb = preg_replace("|\..*$|", "", $verb);
3582
3583                 $id = (x($_REQUEST, 'id') ? $_REQUEST['id'] : 0);
3584
3585                 $res = do_like($id, $verb);
3586
3587                 if ($res) {
3588                         if ($type == "xml")
3589                                 $ok = "true";
3590                         else
3591                                 $ok = "ok";
3592                         return api_format_data('ok', $type, array('ok' => $ok));
3593                 } else {
3594                         throw new BadRequestException('Error adding activity');
3595                 }
3596
3597         }
3598         api_register_func('api/friendica/activity/like', 'api_friendica_activity', true, API_METHOD_POST);
3599         api_register_func('api/friendica/activity/dislike', 'api_friendica_activity', true, API_METHOD_POST);
3600         api_register_func('api/friendica/activity/attendyes', 'api_friendica_activity', true, API_METHOD_POST);
3601         api_register_func('api/friendica/activity/attendno', 'api_friendica_activity', true, API_METHOD_POST);
3602         api_register_func('api/friendica/activity/attendmaybe', 'api_friendica_activity', true, API_METHOD_POST);
3603         api_register_func('api/friendica/activity/unlike', 'api_friendica_activity', true, API_METHOD_POST);
3604         api_register_func('api/friendica/activity/undislike', 'api_friendica_activity', true, API_METHOD_POST);
3605         api_register_func('api/friendica/activity/unattendyes', 'api_friendica_activity', true, API_METHOD_POST);
3606         api_register_func('api/friendica/activity/unattendno', 'api_friendica_activity', true, API_METHOD_POST);
3607         api_register_func('api/friendica/activity/unattendmaybe', 'api_friendica_activity', true, API_METHOD_POST);
3608
3609         /**
3610          * @brief Returns notifications
3611          *
3612          * @param string $type Known types are 'atom', 'rss', 'xml' and 'json'
3613          * @return string
3614         */
3615         function api_friendica_notification($type) {
3616
3617                 $a = get_app();
3618
3619                 if (api_user()===false) throw new ForbiddenException();
3620                 if ($a->argc!==3) throw new BadRequestException("Invalid argument count");
3621                 $nm = new NotificationsManager();
3622
3623                 $notes = $nm->getAll(array(), "+seen -date", 50);
3624
3625                 if ($type == "xml") {
3626                         $xmlnotes = array();
3627                         foreach ($notes AS $note)
3628                                 $xmlnotes[] = array("@attributes" => $note);
3629
3630                         $notes = $xmlnotes;
3631                 }
3632
3633                 return api_format_data("notes", $type, array('note' => $notes));
3634         }
3635
3636         /**
3637          * @brief Set notification as seen and returns associated item (if possible)
3638          *
3639          * POST request with 'id' param as notification id
3640          *
3641          * @param string $type Known types are 'atom', 'rss', 'xml' and 'json'
3642          * @return string
3643          */
3644         function api_friendica_notification_seen($type){
3645
3646                 $a = get_app();
3647
3648                 if (api_user()===false) throw new ForbiddenException();
3649                 if ($a->argc!==4) throw new BadRequestException("Invalid argument count");
3650
3651                 $id = (x($_REQUEST, 'id') ? intval($_REQUEST['id']) : 0);
3652
3653                 $nm = new NotificationsManager();
3654                 $note = $nm->getByID($id);
3655                 if (is_null($note)) throw new BadRequestException("Invalid argument");
3656
3657                 $nm->setSeen($note);
3658                 if ($note['otype']=='item') {
3659                         // would be really better with an ItemsManager and $im->getByID() :-P
3660                         $r = q("SELECT * FROM `item` WHERE `id`=%d AND `uid`=%d",
3661                                 intval($note['iid']),
3662                                 intval(local_user())
3663                         );
3664                         if ($r!==false) {
3665                                 // we found the item, return it to the user
3666                                 $user_info = api_get_user($a);
3667                                 $ret = api_format_items($r,$user_info, false, $type);
3668                                 $data = array('status' => $ret);
3669                                 return api_format_data("status", $type, $data);
3670                         }
3671                         // the item can't be found, but we set the note as seen, so we count this as a success
3672                 }
3673                 return api_format_data('result', $type, array('result' => "success"));
3674         }
3675
3676         api_register_func('api/friendica/notification/seen', 'api_friendica_notification_seen', true, API_METHOD_POST);
3677         api_register_func('api/friendica/notification', 'api_friendica_notification', true, API_METHOD_GET);
3678
3679
3680         /**
3681          * @brief update a direct_message to seen state
3682          *
3683          * @param string $type Known types are 'atom', 'rss', 'xml' and 'json'
3684          * @return string (success result=ok, error result=error with error message)
3685          */
3686         function api_friendica_direct_messages_setseen($type){
3687                 $a = get_app();
3688                 if (api_user()===false) throw new ForbiddenException();
3689
3690                 // params
3691                 $user_info = api_get_user($a);
3692                 $uid = $user_info['uid'];
3693                 $id = (x($_REQUEST, 'id') ? $_REQUEST['id'] : 0);
3694
3695                 // return error if id is zero
3696                 if ($id == "") {
3697                         $answer = array('result' => 'error', 'message' => 'message id not specified');
3698                         return api_format_data("direct_messages_setseen", $type, array('$result' => $answer));
3699                 }
3700
3701                 // get data of the specified message id
3702                 $r = q("SELECT * FROM `mail` WHERE `id` = %d AND `uid` = %d",
3703                         intval($id),
3704                         intval($uid));
3705                 // error message if specified id is not in database
3706                 if (count($r) == 0) {
3707                         $answer = array('result' => 'error', 'message' => 'message id not in database');
3708                         return api_format_data("direct_messages_setseen", $type, array('$result' => $answer));
3709                 }
3710
3711                 // update seen indicator
3712                 $result = q("UPDATE `mail` SET `seen` = 1 WHERE `id` = %d AND `uid` = %d",
3713                         intval($id),
3714                         intval($uid));
3715
3716                 if ($result) {
3717                         // return success
3718                         $answer = array('result' => 'ok', 'message' => 'message set to seen');
3719                         return api_format_data("direct_message_setseen", $type, array('$result' => $answer));
3720                 } else {
3721                         $answer = array('result' => 'error', 'message' => 'unknown error');
3722                         return api_format_data("direct_messages_setseen", $type, array('$result' => $answer));
3723                 }
3724         }
3725         api_register_func('api/friendica/direct_messages_setseen', 'api_friendica_direct_messages_setseen', true);
3726
3727
3728         /**
3729          * @brief delete a direct_message from mail table through api
3730          *
3731          * @param string $type Known types are 'atom', 'rss', 'xml' and 'json'
3732          * @return string (success result=ok, error result=error with error message)
3733          */
3734         function api_friendica_direct_messages_delete($type){
3735                 $a = get_app();
3736
3737                 if (api_user()===false) throw new ForbiddenException();
3738
3739                 // params
3740                 $user_info = api_get_user($a);
3741                 $id = (x($_REQUEST,'id') ? $_REQUEST['id'] : 0);
3742                 $parenturi = (x($_REQUEST, 'parenturi') ? $_REQUEST['parenturi'] : "");
3743                 $uid = $user_info['uid'];
3744
3745                 // error if no id or parenturi specified
3746                 if ($id == 0 || $parenturi == "") {
3747                         $answer = array('result' => 'error', 'message' => 'message id or parenturi not specified');
3748                         return api_format_data("direct_messages_delete", $type, array('$result' => $answer));
3749                 }
3750
3751                 // get data of the specified message id
3752                 $r = q("SELECT * FROM `mail` WHERE `uid` = %d AND `id` = %d",
3753                         intval($uid),
3754                         intval($id));
3755                 // error message if specified id is not in database
3756                 if (count($r) == 0) {
3757                         $answer = array('result' => 'error', 'message' => 'message id not in database');
3758                         return api_format_data("direct_messages_delete", $type, array('$result' => $answer));
3759                 }
3760
3761                 // delete message
3762                 $result = q("DELETE FROM `mail` WHERE `uid` = %d AND `id` = %d AND `parent-uri` = '%s'",
3763                         intval($uid),
3764                         intval($id),
3765                         dbesc($parenturi));
3766
3767                 if ($result) {
3768                         // return success
3769                         $answer = array('result' => 'ok', 'message' => 'message deleted');
3770                         return api_format_data("direct_message_delete", $type, array('$result' => $answer));
3771                 }
3772                 else {
3773                         $answer = array('result' => 'error', 'message' => 'unknown error');
3774                         return api_format_data("direct_messages_delete", $type, array('$result' => $answer));
3775                 }
3776         }
3777         api_register_func('api/friendica/direct_messages_delete', 'api_friendica_direct_messages_delete', true);
3778
3779
3780         /**
3781          * @brief search for direct_messages containing a searchstring through api
3782          *
3783          * @param string $type Known types are 'atom', 'rss', 'xml' and 'json'
3784          * @return string (success: success=true if found and search_result contains found messages
3785          *                          success=false if nothing was found, search_result='nothing found',
3786          *                 error: result=error with error message)
3787          */
3788         function api_friendica_direct_messages_search($type){
3789                 $a = get_app();
3790
3791                 if (api_user()===false) throw new ForbiddenException();
3792
3793                 // params
3794                 $user_info = api_get_user($a);
3795                 $searchstring = (x($_REQUEST,'searchstring') ? $_REQUEST['searchstring'] : "");
3796                 $uid = $user_info['uid'];
3797
3798                 // error if no searchstring specified
3799                 if ($searchstring == "") {
3800                         $answer = array('result' => 'error', 'message' => 'searchstring not specified');
3801                         return api_format_data("direct_messages_search", $type, array('$result' => $answer));
3802                 }
3803
3804                 // get data for the specified searchstring
3805                 $r = q("SELECT `mail`.*, `contact`.`nurl` AS `contact-url` FROM `mail`,`contact` WHERE `mail`.`contact-id` = `contact`.`id` AND `mail`.`uid`=%d AND `body` LIKE '%s' ORDER BY `mail`.`id` DESC",
3806                         intval($uid),
3807                         dbesc('%'.$searchstring.'%')
3808                 );
3809
3810                 $profile_url = $user_info["url"];
3811                 // message if nothing was found
3812                 if (count($r) == 0)
3813                         $success = array('success' => false, 'search_results' => 'nothing found');
3814                 else {
3815                         $ret = Array();
3816                         foreach($r as $item) {
3817                                 if ($box == "inbox" || $item['from-url'] != $profile_url){
3818                                         $recipient = $user_info;
3819                                         $sender = api_get_user($a,normalise_link($item['contact-url']));
3820                                 }
3821                                 elseif ($box == "sentbox" || $item['from-url'] == $profile_url){
3822                                         $recipient = api_get_user($a,normalise_link($item['contact-url']));
3823                                         $sender = $user_info;
3824                                 }
3825                                 $ret[]=api_format_messages($item, $recipient, $sender);
3826                         }
3827                         $success = array('success' => true, 'search_results' => $ret);
3828                 }
3829
3830                 return api_format_data("direct_message_search", $type, array('$result' => $success));
3831         }
3832         api_register_func('api/friendica/direct_messages_search', 'api_friendica_direct_messages_search', true);
3833
3834
3835 /*
3836 To.Do:
3837     [pagename] => api/1.1/statuses/lookup.json
3838     [id] => 605138389168451584
3839     [include_cards] => true
3840     [cards_platform] => Android-12
3841     [include_entities] => true
3842     [include_my_retweet] => 1
3843     [include_rts] => 1
3844     [include_reply_count] => true
3845     [include_descendent_reply_count] => true
3846 (?)
3847
3848
3849 Not implemented by now:
3850 statuses/retweets_of_me
3851 friendships/create
3852 friendships/destroy
3853 friendships/exists
3854 friendships/show
3855 account/update_location
3856 account/update_profile_background_image
3857 account/update_profile_image
3858 blocks/create
3859 blocks/destroy
3860
3861 Not implemented in status.net:
3862 statuses/retweeted_to_me
3863 statuses/retweeted_by_me
3864 direct_messages/destroy
3865 account/end_session
3866 account/update_delivery_device
3867 notifications/follow
3868 notifications/leave
3869 blocks/exists
3870 blocks/blocking
3871 lists
3872 */