boot.php

   1 <?php
   2
   3 require_once('include/config.php');
   4 require_once('include/network.php');
   5 require_once('include/plugin.php');
   6 require_once('include/text.php');
   7 require_once('include/datetime.php');
   8 require_once('include/pgettext.php');
   9 require_once('include/nav.php');
  10 require_once('include/cache.php');
  11 require_once('library/Mobile_Detect/Mobile_Detect.php');
  12
  13 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  14 define ( 'FRIENDICA_VERSION',      '3.0.1412' );
  15 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  16 define ( 'DB_UPDATE_VERSION',      1154      );
  17
  18 define ( 'EOL',                    "<br />\r\n"     );
  19 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  20
  21
  22 /**
  23  *
  24  * Image storage quality. Lower numbers save space at cost of image detail.
  25  * For ease of upgrade, please do not change here. Change jpeg quality with
  26  * $a->config['system']['jpeg_quality'] = n;
  27  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  28  * below about 50
  29  *
  30  */
  31
  32 define ( 'JPEG_QUALITY',            100  );
  33 /**
  34  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  35  */
  36 define ( 'PNG_QUALITY',             8  );
  37
  38 /**
  39  *
  40  * An alternate way of limiting picture upload sizes. Specify the maximum pixel
  41  * length that pictures are allowed to be (for non-square pictures, it will apply
  42  * to the longest side). Pictures longer than this length will be resized to be
  43  * this length (on the longest side, the other side will be scaled appropriately).
  44  * Modify this value using
  45  *
  46  *    $a->config['system']['max_image_length'] = n;
  47  *
  48  * in .htconfig.php
  49  *
  50  * If you don't want to set a maximum length, set to -1. The default value is
  51  * defined by 'MAX_IMAGE_LENGTH' below.
  52  *
  53  */
  54 define ( 'MAX_IMAGE_LENGTH',        -1  );
  55
  56
  57 /**
  58  * Not yet used
  59  */
  60
  61 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  62
  63 /**
  64  * SSL redirection policies
  65  */
  66
  67 define ( 'SSL_POLICY_NONE',         0 );
  68 define ( 'SSL_POLICY_FULL',         1 );
  69 define ( 'SSL_POLICY_SELFSIGN',     2 );
  70
  71
  72 /**
  73  * log levels
  74  */
  75
  76 define ( 'LOGGER_NORMAL',          0 );
  77 define ( 'LOGGER_TRACE',           1 );
  78 define ( 'LOGGER_DEBUG',           2 );
  79 define ( 'LOGGER_DATA',            3 );
  80 define ( 'LOGGER_ALL',             4 );
  81
  82 /**
  83  * registration policies
  84  */
  85
  86 define ( 'REGISTER_CLOSED',        0 );
  87 define ( 'REGISTER_APPROVE',       1 );
  88 define ( 'REGISTER_OPEN',          2 );
  89
  90 /**
  91  * relationship types
  92  */
  93
  94 define ( 'CONTACT_IS_FOLLOWER', 1);
  95 define ( 'CONTACT_IS_SHARING',  2);
  96 define ( 'CONTACT_IS_FRIEND',   3);
  97
  98
  99 /**
 100  * DB update return values
 101  */
 102
 103 define ( 'UPDATE_SUCCESS', 0);
 104 define ( 'UPDATE_FAILED',  1);
 105
 106
 107 /**
 108  *
 109  * page/profile types
 110  *
 111  * PAGE_NORMAL is a typical personal profile account
 112  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
 113  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
 114  *      write access to wall and comments (no email and not included in page owner's ACL lists)
 115  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
 116  *
 117  */
 118
 119 define ( 'PAGE_NORMAL',            0 );
 120 define ( 'PAGE_SOAPBOX',           1 );
 121 define ( 'PAGE_COMMUNITY',         2 );
 122 define ( 'PAGE_FREELOVE',          3 );
 123 define ( 'PAGE_BLOG',              4 );
 124 define ( 'PAGE_PRVGROUP',          5 );
 125
 126 /**
 127  * Network and protocol family types
 128  */
 129
 130 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 131 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 132 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 133 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 134 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 135 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 136 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 137 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 138 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 139 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 140 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 141 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 142
 143 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 144
 145 /**
 146  * These numbers are used in stored permissions
 147  * and existing allocations MUST NEVER BE CHANGED
 148  * OR RE-ASSIGNED! You may only add to them.
 149  */
 150
 151 $netgroup_ids = array(
 152         NETWORK_DFRN     => (-1),
 153         NETWORK_ZOT      => (-2),
 154         NETWORK_OSTATUS  => (-3),
 155         NETWORK_FEED     => (-4),
 156         NETWORK_DIASPORA => (-5),
 157         NETWORK_MAIL     => (-6),
 158         NETWORK_MAIL2    => (-7),
 159         NETWORK_FACEBOOK => (-8),
 160         NETWORK_LINKEDIN => (-9),
 161         NETWORK_XMPP     => (-10),
 162         NETWORK_MYSPACE  => (-11),
 163         NETWORK_GPLUS    => (-12),
 164
 165         NETWORK_PHANTOM  => (-127),
 166 );
 167
 168
 169 /**
 170  * Maximum number of "people who like (or don't like) this"  that we will list by name
 171  */
 172
 173 define ( 'MAX_LIKERS',    75);
 174
 175 /**
 176  * Communication timeout
 177  */
 178
 179 define ( 'ZCURL_TIMEOUT' , (-1));
 180
 181
 182 /**
 183  * email notification options
 184  */
 185
 186 define ( 'NOTIFY_INTRO',    0x0001 );
 187 define ( 'NOTIFY_CONFIRM',  0x0002 );
 188 define ( 'NOTIFY_WALL',     0x0004 );
 189 define ( 'NOTIFY_COMMENT',  0x0008 );
 190 define ( 'NOTIFY_MAIL',     0x0010 );
 191 define ( 'NOTIFY_SUGGEST',  0x0020 );
 192 define ( 'NOTIFY_PROFILE',  0x0040 );
 193 define ( 'NOTIFY_TAGSELF',  0x0080 );
 194 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 195 define ( 'NOTIFY_POKE',     0x0200 );
 196
 197 define ( 'NOTIFY_SYSTEM',   0x8000 );
 198
 199
 200 /**
 201  * Tag/term types
 202  */
 203
 204 define ( 'TERM_UNKNOWN',   0 );
 205 define ( 'TERM_HASHTAG',   1 );
 206 define ( 'TERM_MENTION',   2 );
 207 define ( 'TERM_CATEGORY',  3 );
 208 define ( 'TERM_PCATEGORY', 4 );
 209 define ( 'TERM_FILE',      5 );
 210
 211 define ( 'TERM_OBJ_POST',  1 );
 212 define ( 'TERM_OBJ_PHOTO', 2 );
 213
 214
 215
 216 /**
 217  * various namespaces we may need to parse
 218  */
 219
 220 define ( 'NAMESPACE_ZOT',             'http://purl.org/zot' );
 221 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 222 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 223 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 224 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 225 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 226 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 227 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 228 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 229 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 230 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 231 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 232 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 233 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 234 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 235 /**
 236  * activity stream defines
 237  */
 238
 239 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 240 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 241 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 242
 243 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 244 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 245 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 246 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 247 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 248 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 249
 250 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 251 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 252 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 253 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 254
 255 define ( 'ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke' );
 256
 257 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 258 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 259 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 260 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 261 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 262 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 263 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 264 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 265 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 266 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 267
 268 /**
 269  * item weight for query ordering
 270  */
 271
 272 define ( 'GRAVITY_PARENT',       0);
 273 define ( 'GRAVITY_LIKE',         3);
 274 define ( 'GRAVITY_COMMENT',      6);
 275
 276 /**
 277  *
 278  * Reverse the effect of magic_quotes_gpc if it is enabled.
 279  * Please disable magic_quotes_gpc so we don't have to do this.
 280  * See http://php.net/manual/en/security.magicquotes.disabling.php
 281  *
 282  */
 283
 284 function startup() {
 285         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 286         set_time_limit(0);
 287
 288         // This has to be quite large to deal with embedded private photos
 289         ini_set('pcre.backtrack_limit', 500000);
 290
 291
 292         if (get_magic_quotes_gpc()) {
 293                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 294                 while (list($key, $val) = each($process)) {
 295                         foreach ($val as $k => $v) {
 296                                 unset($process[$key][$k]);
 297                                 if (is_array($v)) {
 298                                         $process[$key][stripslashes($k)] = $v;
 299                                         $process[] = &$process[$key][stripslashes($k)];
 300                                 } else {
 301                                         $process[$key][stripslashes($k)] = stripslashes($v);
 302                                 }
 303                         }
 304                 }
 305                 unset($process);
 306         }
 307
 308 }
 309
 310 /**
 311  *
 312  * class: App
 313  *
 314  * Our main application structure for the life of this page
 315  * Primarily deals with the URL that got us here
 316  * and tries to make some sense of it, and
 317  * stores our page contents and config storage
 318  * and anything else that might need to be passed around
 319  * before we spit the page out.
 320  *
 321  */
 322
 323 if(! class_exists('App')) {
 324         class App {
 325
 326                 public  $module_loaded = false;
 327                 public  $query_string;
 328                 public  $config;
 329                 public  $page;
 330                 public  $profile;
 331                 public  $user;
 332                 public  $cid;
 333                 public  $contact;
 334                 public  $contacts;
 335                 public  $page_contact;
 336                 public  $content;
 337                 public  $data = array();
 338                 public  $error = false;
 339                 public  $cmd;
 340                 public  $argv;
 341                 public  $argc;
 342                 public  $module;
 343                 public  $pager;
 344                 public  $strings;
 345                 public  $path;
 346                 public  $hooks;
 347                 public  $timezone;
 348                 public  $interactive = true;
 349                 public  $plugins;
 350                 public  $apps = array();
 351                 public  $identities;
 352
 353                 public $nav_sel;
 354
 355                 public $category;
 356
 357                 private $scheme;
 358                 private $hostname;
 359                 private $baseurl;
 360                 private $db;
 361
 362                 private $curl_code;
 363                 private $curl_headers;
 364
 365                 private $cached_profile_image;
 366                 private $cached_profile_picdate;
 367
 368                 function __construct() {
 369
 370                         global $default_timezone;
 371
 372                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 373
 374                         date_default_timezone_set($this->timezone);
 375
 376                         $this->config = array();
 377                         $this->page = array();
 378                         $this->pager= array();
 379
 380                         $this->query_string = '';
 381
 382                         startup();
 383
 384                         $this->scheme = 'http';
 385                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 386                                 $this->scheme = 'https';
 387                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 388                         $this->scheme = 'https';
 389
 390
 391                         if(x($_SERVER,'SERVER_NAME')) {
 392                                 $this->hostname = $_SERVER['SERVER_NAME'];
 393
 394                                 // See bug 437 - this didn't work so disabling it
 395                                 //if(stristr($this->hostname,'xn--')) {
 396                                         // PHP or webserver may have converted idn to punycode, so
 397                                         // convert punycode back to utf-8
 398                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 399                                 //      $x = new idna_convert();
 400                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 401                                 //}
 402
 403                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 404                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 405                                 /**
 406                                  * Figure out if we are running at the top of a domain
 407                                  * or in a sub-directory and adjust accordingly
 408                                  */
 409
 410                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 411                                 if(isset($path) && strlen($path) && ($path != $this->path))
 412                                         $this->path = $path;
 413                         }
 414
 415                         set_include_path(
 416                                         "include/$this->hostname" . PATH_SEPARATOR
 417                                         . 'include' . PATH_SEPARATOR
 418                                         . 'library' . PATH_SEPARATOR
 419                                         . 'library/phpsec' . PATH_SEPARATOR
 420                                         . 'library/langdet' . PATH_SEPARATOR
 421                                         . '.' );
 422
 423                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 424                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 425                                 // removing trailing / - maybe a nginx problem
 426                                 if (substr($this->query_string, 0, 1) == "/")
 427                                         $this->query_string = substr($this->query_string, 1);
 428                         }
 429                         if(x($_GET,'q'))
 430                                 $this->cmd = trim($_GET['q'],'/\\');
 431
 432                         // unix style "homedir"
 433
 434                         if(substr($this->cmd,0,1) === '~')
 435                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 436
 437                         // Diaspora style profile url
 438
 439                         if(substr($this->cmd,0,2) === 'u/')
 440                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 441
 442                         /**
 443                          *
 444                          * Break the URL path into C style argc/argv style arguments for our
 445                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 446                          * will be 3 (integer) and $this->argv will contain:
 447                          *   [0] => 'module'
 448                          *   [1] => 'arg1'
 449                          *   [2] => 'arg2'
 450                          *
 451                          *
 452                          * There will always be one argument. If provided a naked domain
 453                          * URL, $this->argv[0] is set to "home".
 454                          *
 455                          */
 456
 457                         $this->argv = explode('/',$this->cmd);
 458                         $this->argc = count($this->argv);
 459                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 460                                 $this->module = str_replace(".", "_", $this->argv[0]);
 461                         }
 462                         else {
 463                                 $this->argc = 1;
 464                                 $this->argv = array('home');
 465                                 $this->module = 'home';
 466                         }
 467
 468                         /**
 469                          * Special handling for the webfinger/lrdd host XRD file
 470                          */
 471
 472                         if($this->cmd === '.well-known/host-meta') {
 473                                 $this->argc = 1;
 474                                 $this->argv = array('hostxrd');
 475                                 $this->module = 'hostxrd';
 476                         }
 477
 478                         /**
 479                          * See if there is any page number information, and initialise
 480                          * pagination
 481                          */
 482
 483                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 484                         $this->pager['itemspage'] = 50;
 485                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 486                         if($this->pager['start'] < 0)
 487                                 $this->pager['start'] = 0;
 488                         $this->pager['total'] = 0;
 489                 }
 490
 491                 function get_baseurl($ssl = false) {
 492
 493                         $scheme = $this->scheme;
 494
 495                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 496                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 497                                         $scheme = 'https';
 498
 499                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 500                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 501
 502                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 503                                         if($ssl)
 504                                                 $scheme = 'https';
 505                                         else
 506                                                 $scheme = 'http';
 507                                 }
 508                         }
 509
 510                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 511                         return $this->baseurl;
 512                 }
 513
 514                 function set_baseurl($url) {
 515                         $parsed = @parse_url($url);
 516
 517                         $this->baseurl = $url;
 518
 519                         if($parsed) {
 520                                 $this->scheme = $parsed['scheme'];
 521
 522                                 $this->hostname = $parsed['host'];
 523                                 if(x($parsed,'port'))
 524                                         $this->hostname .= ':' . $parsed['port'];
 525                                 if(x($parsed,'path'))
 526                                         $this->path = trim($parsed['path'],'\\/');
 527                         }
 528
 529                 }
 530
 531                 function get_hostname() {
 532                         return $this->hostname;
 533                 }
 534
 535                 function set_hostname($h) {
 536                         $this->hostname = $h;
 537                 }
 538
 539                 function set_path($p) {
 540                         $this->path = trim(trim($p),'/');
 541                 }
 542
 543                 function get_path() {
 544                         return $this->path;
 545                 }
 546
 547                 function set_pager_total($n) {
 548                         $this->pager['total'] = intval($n);
 549                 }
 550
 551                 function set_pager_itemspage($n) {
 552                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 553                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 554
 555                 }
 556
 557                 function init_pagehead() {
 558                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 559                         if($interval < 10000)
 560                                 $interval = 40000;
 561
 562                         $this->page['title'] = $this->config['sitename'];
 563                         $tpl = get_markup_template('head.tpl');
 564                         $this->page['htmlhead'] = replace_macros($tpl,array(
 565                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 566                                 '$local_user' => local_user(),
 567                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 568                                 '$delitem' => t('Delete this item?'),
 569                                 '$comment' => t('Comment'),
 570                                 '$showmore' => t('show more'),
 571                                 '$showfewer' => t('show fewer'),
 572                                 '$update_interval' => $interval
 573                         ));
 574                 }
 575
 576                 function set_curl_code($code) {
 577                         $this->curl_code = $code;
 578                 }
 579
 580                 function get_curl_code() {
 581                         return $this->curl_code;
 582                 }
 583
 584                 function set_curl_headers($headers) {
 585                         $this->curl_headers = $headers;
 586                 }
 587
 588                 function get_curl_headers() {
 589                         return $this->curl_headers;
 590                 }
 591
 592                 function get_cached_avatar_image($avatar_image){
 593                         if($this->cached_profile_image[$avatar_image])
 594                                 return $this->cached_profile_image[$avatar_image];
 595
 596                         $path_parts = explode("/",$avatar_image);
 597                         $common_filename = $path_parts[count($path_parts)-1];
 598
 599                         if($this->cached_profile_picdate[$common_filename]){
 600                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 601                         } else {
 602                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 603                                         $common_filename);
 604                                 if(! count($r)){
 605                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 606                                 } else {
 607                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 608                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 609                                 }
 610                         }
 611                         return $this->cached_profile_image[$avatar_image];
 612                 }
 613
 614
 615         }
 616 }
 617
 618 // retrieve the App structure
 619 // useful in functions which require it but don't get it passed to them
 620
 621 if(! function_exists('get_app')) {
 622         function get_app() {
 623                 global $a;
 624                 return $a;
 625         }
 626 };
 627
 628
 629 // Multi-purpose function to check variable state.
 630 // Usage: x($var) or $x($array,'key')
 631 // returns false if variable/key is not set
 632 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 633 // e.g. x('') or x(0) returns 0;
 634
 635 if(! function_exists('x')) {
 636         function x($s,$k = NULL) {
 637                 if($k != NULL) {
 638                         if((is_array($s)) && (array_key_exists($k,$s))) {
 639                                 if($s[$k])
 640                                         return (int) 1;
 641                                 return (int) 0;
 642                 }
 643                         return false;
 644                 }
 645                 else {
 646                         if(isset($s)) {
 647                                 if($s) {
 648                                         return (int) 1;
 649                                 }
 650                                 return (int) 0;
 651                         }
 652                         return false;
 653                 }
 654         }
 655 }
 656
 657 // called from db initialisation if db is dead.
 658
 659 if(! function_exists('system_unavailable')) {
 660         function system_unavailable() {
 661                 include('system_unavailable.php');
 662                 system_down();
 663                 killme();
 664         }
 665 }
 666
 667
 668
 669 function clean_urls() {
 670         global $a;
 671         //      if($a->config['system']['clean_urls'])
 672         return true;
 673         //      return false;
 674 }
 675
 676 function z_path() {
 677         global $a;
 678         $base = $a->get_baseurl();
 679         if(! clean_urls())
 680                 $base .= '/?q=';
 681         return $base;
 682 }
 683
 684 function z_root() {
 685         global $a;
 686         return $a->get_baseurl();
 687 }
 688
 689 function absurl($path) {
 690         if(strpos($path,'/') === 0)
 691                 return z_path() . $path;
 692         return $path;
 693 }
 694
 695 function is_ajax() {
 696         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 697 }
 698
 699
 700 // Primarily involved with database upgrade, but also sets the
 701 // base url for use in cmdline programs which don't have
 702 // $_SERVER variables, and synchronising the state of installed plugins.
 703
 704
 705 if(! function_exists('check_config')) {
 706         function check_config(&$a) {
 707
 708                 $build = get_config('system','build');
 709                 if(! x($build))
 710                         $build = set_config('system','build',DB_UPDATE_VERSION);
 711
 712                 $url = get_config('system','url');
 713
 714                 // if the url isn't set or the stored url is radically different
 715                 // than the currently visited url, store the current value accordingly.
 716                 // "Radically different" ignores common variations such as http vs https
 717                 // and www.example.com vs example.com.
 718
 719                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 720                         $url = set_config('system','url',$a->get_baseurl());
 721
 722                 if($build != DB_UPDATE_VERSION) {
 723                         $stored = intval($build);
 724                         $current = intval(DB_UPDATE_VERSION);
 725                         if(($stored < $current) && file_exists('update.php')) {
 726
 727                                 load_config('database');
 728
 729                                 // We're reporting a different version than what is currently installed.
 730                                 // Run any existing update scripts to bring the database up to current.
 731
 732                                 require_once('update.php');
 733
 734                                 // make sure that boot.php and update.php are the same release, we might be
 735                                 // updating right this very second and the correct version of the update.php
 736                                 // file may not be here yet. This can happen on a very busy site.
 737
 738                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 739
 740                                         for($x = $stored; $x < $current; $x ++) {
 741                                                 if(function_exists('update_' . $x)) {
 742
 743                                                         // There could be a lot of processes running or about to run.
 744                                                         // We want exactly one process to run the update command.
 745                                                         // So store the fact that we're taking responsibility
 746                                                         // after first checking to see if somebody else already has.
 747
 748                                                         // If the update fails or times-out completely you may need to
 749                                                         // delete the config entry to try again.
 750
 751                                                         if(get_config('database','update_' . $x))
 752                                                                 break;
 753                                                         set_config('database','update_' . $x, '1');
 754
 755                                                         // call the specific update
 756
 757                                                         $func = 'update_' . $x;
 758                                                         $retval = $func();
 759                                                         if($retval) {
 760                                                                 //send the administrator an e-mail
 761                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 762                                                                 $email_msg = replace_macros($email_tpl, array(
 763                                                                         '$sitename' => $a->config['sitename'],
 764                                                                         '$siteurl' =>  $a->get_baseurl(),
 765                                                                         '$update' => $x,
 766                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 767                                                                 ));
 768                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 769
 770                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 771                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 772                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 773                                                                         . 'Content-transfer-encoding: 8bit' );
 774                                                                 //try the logger
 775                                                                 logger('CRITICAL: Update Failed: '. $x);
 776                                                         }
 777                                                         else
 778                                                                 set_config('database','update_' . $x, 'success');
 779
 780                                                 }
 781                                         }
 782                                         set_config('system','build', DB_UPDATE_VERSION);
 783                                 }
 784                         }
 785                 }
 786
 787                 /**
 788                  *
 789                  * Synchronise plugins:
 790                  *
 791                  * $a->config['system']['addon'] contains a comma-separated list of names
 792                  * of plugins/addons which are used on this system.
 793                  * Go through the database list of already installed addons, and if we have
 794                  * an entry, but it isn't in the config list, call the uninstall procedure
 795                  * and mark it uninstalled in the database (for now we'll remove it).
 796                  * Then go through the config list and if we have a plugin that isn't installed,
 797                  * call the install procedure and add it to the database.
 798                  *
 799                  */
 800
 801                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 802                 if(count($r))
 803                         $installed = $r;
 804                 else
 805                         $installed = array();
 806
 807                 $plugins = get_config('system','addon');
 808                 $plugins_arr = array();
 809
 810                 if($plugins)
 811                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 812
 813                 $a->plugins = $plugins_arr;
 814
 815                 $installed_arr = array();
 816
 817                 if(count($installed)) {
 818                         foreach($installed as $i) {
 819                                 if(! in_array($i['name'],$plugins_arr)) {
 820                                         uninstall_plugin($i['name']);
 821                                 }
 822                                 else {
 823                                         $installed_arr[] = $i['name'];
 824                                 }
 825                         }
 826                 }
 827
 828                 if(count($plugins_arr)) {
 829                         foreach($plugins_arr as $p) {
 830                                 if(! in_array($p,$installed_arr)) {
 831                                         install_plugin($p);
 832                                 }
 833                         }
 834                 }
 835
 836
 837                 load_hooks();
 838
 839                 return;
 840         }
 841 }
 842
 843
 844 function get_guid($size=16) {
 845         $exists = true; // assume by default that we don't have a unique guid
 846         do {
 847                 $s = random_string($size);
 848                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 849                 if(! count($r))
 850                         $exists = false;
 851         } while($exists);
 852         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 853         return $s;
 854 }
 855
 856
 857 // wrapper for adding a login box. If $register == true provide a registration
 858 // link. This will most always depend on the value of $a->config['register_policy'].
 859 // returns the complete html for inserting into the page
 860
 861 if(! function_exists('login')) {
 862         function login($register = false, $hiddens=false) {
 863                 $a = get_app();
 864                 $o = "";
 865                 $reg = false;
 866                 if ($register) {
 867                         $reg = array(
 868                                 'title' => t('Create a New Account'),
 869                                 'desc' => t('Register')
 870                         );
 871                 }
 872
 873                 $noid = get_config('system','no_openid');
 874
 875                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 876
 877                 if(local_user()) {
 878                         $tpl = get_markup_template("logout.tpl");
 879                 }
 880                 else {
 881                         $tpl = get_markup_template("login.tpl");
 882                         $_SESSION['return_url'] = $a->query_string;
 883                 }
 884
 885
 886                 $o .= replace_macros($tpl,array(
 887
 888                         '$dest_url'     => $dest_url,
 889                         '$logout'       => t('Logout'),
 890                         '$login'        => t('Login'),
 891
 892                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 893                         '$lpassword'    => array('password', t('Password: '), '', ''),
 894
 895                         '$openid'               => !$noid,
 896                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 897
 898                         '$hiddens'      => $hiddens,
 899
 900                         '$register'     => $reg,
 901
 902                         '$lostpass'     => t('Forgot your password?'),
 903                         '$lostlink'     => t('Password Reset'),
 904                 ));
 905
 906                 call_hooks('login_hook',$o);
 907
 908                 return $o;
 909         }
 910 }
 911
 912 // Used to end the current process, after saving session state.
 913
 914 if(! function_exists('killme')) {
 915         function killme() {
 916                 session_write_close();
 917                 exit;
 918         }
 919 }
 920
 921 // redirect to another URL and terminate this process.
 922
 923 if(! function_exists('goaway')) {
 924         function goaway($s) {
 925                 header("Location: $s");
 926                 killme();
 927         }
 928 }
 929
 930
 931 // Returns the uid of locally logged in user or false.
 932
 933 if(! function_exists('local_user')) {
 934         function local_user() {
 935                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 936                         return intval($_SESSION['uid']);
 937                 return false;
 938         }
 939 }
 940
 941 // Returns contact id of authenticated site visitor or false
 942
 943 if(! function_exists('remote_user')) {
 944         function remote_user() {
 945                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 946                         return intval($_SESSION['visitor_id']);
 947                 return false;
 948         }
 949 }
 950
 951 // contents of $s are displayed prominently on the page the next time
 952 // a page is loaded. Usually used for errors or alerts.
 953
 954 if(! function_exists('notice')) {
 955         function notice($s) {
 956                 $a = get_app();
 957                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 958                 if($a->interactive)
 959                         $_SESSION['sysmsg'][] = $s;
 960         }
 961 }
 962 if(! function_exists('info')) {
 963         function info($s) {
 964                 $a = get_app();
 965                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 966                 if($a->interactive)
 967                         $_SESSION['sysmsg_info'][] = $s;
 968         }
 969 }
 970
 971
 972 // wrapper around config to limit the text length of an incoming message
 973
 974 if(! function_exists('get_max_import_size')) {
 975         function get_max_import_size() {
 976                 global $a;
 977                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 978         }
 979 }
 980
 981
 982
 983 /**
 984  *
 985  * Function : profile_load
 986  * @parameter App    $a
 987  * @parameter string $nickname
 988  * @parameter int    $profile
 989  *
 990  * Summary: Loads a profile into the page sidebar.
 991  * The function requires a writeable copy of the main App structure, and the nickname
 992  * of a registered local account.
 993  *
 994  * If the viewer is an authenticated remote viewer, the profile displayed is the
 995  * one that has been configured for his/her viewing in the Contact manager.
 996  * Passing a non-zero profile ID can also allow a preview of a selected profile
 997  * by the owner.
 998  *
 999  * Profile information is placed in the App structure for later retrieval.
1000  * Honours the owner's chosen theme for display.
1001  *
1002  */
1003
1004 if(! function_exists('profile_load')) {
1005         function profile_load(&$a, $nickname, $profile = 0) {
1006                 if(remote_user()) {
1007                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1008                                         intval($_SESSION['visitor_id']));
1009                         if(count($r))
1010                                 $profile = $r[0]['profile-id'];
1011                 }
1012
1013                 $r = null;
1014
1015                 if($profile) {
1016                         $profile_int = intval($profile);
1017                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1018                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1019                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1020                                         dbesc($nickname),
1021                                         intval($profile_int)
1022                         );
1023                 }
1024                 if((! $r) && (!  count($r))) {
1025                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1026                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1027                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1028                                         dbesc($nickname)
1029                         );
1030                 }
1031
1032                 if(($r === false) || (! count($r))) {
1033                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1034                         notice( t('Requested profile is not available.') . EOL );
1035                         $a->error = 404;
1036                         return;
1037                 }
1038
1039                 // fetch user tags if this isn't the default profile
1040
1041                 if(! $r[0]['is-default']) {
1042                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1043                                         intval($profile_uid)
1044                         );
1045                         if($x && count($x))
1046                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1047                 }
1048
1049                 $a->profile = $r[0];
1050
1051
1052                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1053                 $_SESSION['theme'] = $a->profile['theme'];
1054
1055                 /**
1056                  * load/reload current theme info
1057                  */
1058
1059                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1060                 if (file_exists($theme_info_file)){
1061                         require_once($theme_info_file);
1062                 }
1063
1064                 if(! (x($a->page,'aside')))
1065                         $a->page['aside'] = '';
1066
1067                 if(local_user() && local_user() == $a->profile['uid']) {
1068                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1069                                 '$editprofile' => t('Edit profile'),
1070                                 '$profid' => $a->profile['id']
1071                         ));
1072                 }
1073
1074                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1075
1076                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1077
1078                 /*if(! $block)
1079                  $a->page['aside'] .= contact_block();*/
1080
1081                 return;
1082         }
1083 }
1084
1085
1086 /**
1087  *
1088  * Function: profile_sidebar
1089  *
1090  * Formats a profile for display in the sidebar.
1091  * It is very difficult to templatise the HTML completely
1092  * because of all the conditional logic.
1093  *
1094  * @parameter: array $profile
1095  *
1096  * Returns HTML string stuitable for sidebar inclusion
1097  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1098  *
1099  */
1100
1101
1102 if(! function_exists('profile_sidebar')) {
1103         function profile_sidebar($profile, $block = 0) {
1104
1105                 $a = get_app();
1106
1107                 $o = '';
1108                 $location = false;
1109                 $address = false;
1110                 $pdesc = true;
1111
1112                 if((! is_array($profile)) && (! count($profile)))
1113                         return $o;
1114
1115                 $profile['picdate'] = urlencode($profile['picdate']);
1116
1117                 call_hooks('profile_sidebar_enter', $profile);
1118
1119
1120                 // don't show connect link to yourself
1121                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1122
1123                 // don't show connect link to authenticated visitors either
1124
1125                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1126                         $connect = False;
1127
1128                 if(get_my_url() && $profile['unkmail'])
1129                         $wallmessage = t('Message');
1130                 else
1131                         $wallmessage = false;
1132
1133
1134
1135                 // show edit profile to yourself
1136                 if ($profile['uid'] == local_user()) {
1137                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1138
1139                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1140                                         local_user());
1141
1142                         $profile['menu'] = array(
1143                                 'chg_photo' => t('Change profile photo'),
1144                                 'cr_new' => t('Create New Profile'),
1145                                 'entries' => array(),
1146                         );
1147
1148                         if(count($r)) {
1149
1150                                 foreach($r as $rr) {
1151                                         $profile['menu']['entries'][] = array(
1152                                                 'photo' => $rr['thumb'],
1153                                                 'id' => $rr['id'],
1154                                                 'alt' => t('Profile Image'),
1155                                                 'profile_name' => $rr['profile-name'],
1156                                                 'isdefault' => $rr['is-default'],
1157                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1158                                                 'edit_visibility' => t('Edit visibility'),
1159
1160                                         );
1161                                 }
1162
1163
1164                         }
1165
1166
1167                 }
1168
1169
1170
1171
1172                 if((x($profile,'address') == 1)
1173                                 || (x($profile,'locality') == 1)
1174                                 || (x($profile,'region') == 1)
1175                                 || (x($profile,'postal-code') == 1)
1176                                 || (x($profile,'country-name') == 1))
1177                         $location = t('Location:');
1178
1179                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1180
1181
1182                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1183
1184                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1185
1186                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1187                         $location = $pdesc = $gender = $marital = $homepage = False;
1188                 }
1189
1190                 $firstname = ((strpos($profile['name'],' '))
1191                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1192                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1193
1194                 $diaspora = array(
1195                         'podloc' => $a->get_baseurl(),
1196                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1197                         'nickname' => $profile['nickname'],
1198                         'fullname' => $profile['name'],
1199                         'firstname' => $firstname,
1200                         'lastname' => $lastname,
1201                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1202                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1203                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1204                 );
1205
1206                 if (!$block){
1207                         $contact_block = contact_block();
1208                 }
1209
1210
1211                 $tpl = get_markup_template('profile_vcard.tpl');
1212
1213                 $o .= replace_macros($tpl, array(
1214                         '$profile' => $profile,
1215                         '$connect'  => $connect,
1216                         '$wallmessage' => $wallmessage,
1217                         '$location' => template_escape($location),
1218                         '$gender'   => $gender,
1219                         '$pdesc'        => $pdesc,
1220                         '$marital'  => $marital,
1221                         '$homepage' => $homepage,
1222                         '$diaspora' => $diaspora,
1223                         '$contact_block' => $contact_block,
1224                 ));
1225
1226
1227                 $arr = array('profile' => &$profile, 'entry' => &$o);
1228
1229                 call_hooks('profile_sidebar', $arr);
1230
1231                 return $o;
1232         }
1233 }
1234
1235
1236 if(! function_exists('get_birthdays')) {
1237         function get_birthdays() {
1238
1239                 $a = get_app();
1240                 $o = '';
1241
1242                 if(! local_user())
1243                         return $o;
1244
1245                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1246                 $bd_short = t('F d');
1247
1248                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1249                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1250                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1251                                 ORDER BY `start` ASC ",
1252                                 intval(local_user()),
1253                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1254                                 dbesc(datetime_convert('UTC','UTC','now'))
1255                 );
1256
1257                 if($r && count($r)) {
1258                         $total = 0;
1259                         $now = strtotime('now');
1260                         $cids = array();
1261
1262                         $istoday = false;
1263                         foreach($r as $rr) {
1264                                 if(strlen($rr['name']))
1265                                         $total ++;
1266                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1267                                         $istoday = true;
1268                         }
1269                         $classtoday = $istoday ? ' birthday-today ' : '';
1270                         if($total) {
1271                                 foreach($r as &$rr) {
1272                                         if(! strlen($rr['name']))
1273                                                 continue;
1274
1275                                         // avoid duplicates
1276
1277                                         if(in_array($rr['cid'],$cids))
1278                                                 continue;
1279                                         $cids[] = $rr['cid'];
1280
1281                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1282                                         $sparkle = '';
1283                                         $url = $rr['url'];
1284                                         if($rr['network'] === NETWORK_DFRN) {
1285                                                 $sparkle = " sparkle";
1286                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1287                                         }
1288
1289                                         $rr['link'] = $url;
1290                                         $rr['title'] = $rr['name'];
1291                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1292                                         $rr['startime'] = Null;
1293                                         $rr['today'] = $today;
1294
1295                                 }
1296                         }
1297                 }
1298                 $tpl = get_markup_template("birthdays_reminder.tpl");
1299                 return replace_macros($tpl, array(
1300                         '$baseurl' => $a->get_baseurl(),
1301                         '$classtoday' => $classtoday,
1302                         '$count' => $total,
1303                         '$event_reminders' => t('Birthday Reminders'),
1304                         '$event_title' => t('Birthdays this week:'),
1305                         '$events' => $r,
1306                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1307                         '$rbr' => '}'
1308
1309                 ));
1310         }
1311 }
1312
1313
1314 if(! function_exists('get_events')) {
1315         function get_events() {
1316
1317                 require_once('include/bbcode.php');
1318
1319                 $a = get_app();
1320
1321                 if(! local_user())
1322                         return $o;
1323
1324                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1325                 $bd_short = t('F d');
1326
1327                 $r = q("SELECT `event`.* FROM `event`
1328                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1329                                 ORDER BY `start` ASC ",
1330                                 intval(local_user()),
1331                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1332                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1333                 );
1334
1335                 if($r && count($r)) {
1336                         $now = strtotime('now');
1337                         $istoday = false;
1338                         foreach($r as $rr) {
1339                                 if(strlen($rr['name']))
1340                                         $total ++;
1341
1342                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1343                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1344                                         $istoday = true;
1345                         }
1346                         $classtoday = (($istoday) ? 'event-today' : '');
1347
1348
1349                         foreach($r as &$rr) {
1350                                 if($rr['adjust'])
1351                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1352                                 else
1353                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1354                                 $md .= "/#link-".$rr['id'];
1355
1356                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1357                                 if(! $title)
1358                                         $title = t('[No description]');
1359
1360                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1361                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1362
1363                                 $rr['link'] = $md;
1364                                 $rr['title'] = $title;
1365                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1366                                 $rr['startime'] = $strt;
1367                                 $rr['today'] = $today;
1368                         }
1369                 }
1370
1371                 $tpl = get_markup_template("events_reminder.tpl");
1372                 return replace_macros($tpl, array(
1373                         '$baseurl' => $a->get_baseurl(),
1374                         '$classtoday' => $classtoday,
1375                         '$count' => count($r),
1376                         '$event_reminders' => t('Event Reminders'),
1377                         '$event_title' => t('Events this week:'),
1378                         '$events' => $r,
1379                 ));
1380         }
1381 }
1382
1383
1384 /**
1385  *
1386  * Wrap calls to proc_close(proc_open()) and call hook
1387  * so plugins can take part in process :)
1388  *
1389  * args:
1390  * $cmd program to run
1391  *  next args are passed as $cmd command line
1392  *
1393  * e.g.: proc_run("ls","-la","/tmp");
1394  *
1395  * $cmd and string args are surrounded with ""
1396  */
1397
1398 if(! function_exists('proc_run')) {
1399         function proc_run($cmd){
1400
1401                 $a = get_app();
1402
1403                 $args = func_get_args();
1404
1405                 $newargs = array();
1406                 if(! count($args))
1407                         return;
1408
1409                 // expand any arrays
1410
1411                 foreach($args as $arg) {
1412                         if(is_array($arg)) {
1413                                 foreach($arg as $n) {
1414                                         $newargs[] = $n;
1415                                 }
1416                         }
1417                         else
1418                                 $newargs[] = $arg;
1419                 }
1420
1421                 $args = $newargs;
1422
1423                 $arr = array('args' => $args, 'run_cmd' => true);
1424
1425                 call_hooks("proc_run", $arr);
1426                 if(! $arr['run_cmd'])
1427                         return;
1428
1429                 if(count($args) && $args[0] === 'php')
1430                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1431                 for($x = 0; $x < count($args); $x ++)
1432                         $args[$x] = escapeshellarg($args[$x]);
1433
1434                 $cmdline = implode($args," ");
1435                 proc_close(proc_open($cmdline." &",array(),$foo));
1436         }
1437 }
1438
1439 if(! function_exists('current_theme')) {
1440         function current_theme(){
1441                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1442
1443                 $a = get_app();
1444
1445                 $mobile_detect = new Mobile_Detect();
1446                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1447
1448                 if($is_mobile) {
1449                         $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1450                         $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1451                 }
1452                 else {
1453                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1454                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1455                 }
1456
1457                 if($theme_name &&
1458                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1459                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1460                         return($theme_name);
1461
1462                 foreach($app_base_themes as $t) {
1463                         if(file_exists('view/theme/' . $t . '/style.css')||
1464                                         file_exists('view/theme/' . $t . '/style.php'))
1465                                 return($t);
1466                 }
1467
1468                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1469                 if(count($fallback))
1470                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1471
1472         }
1473 }
1474
1475 /*
1476  * Return full URL to theme which is currently in effect.
1477 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1478 */
1479 if(! function_exists('current_theme_url')) {
1480         function current_theme_url() {
1481                 global $a;
1482                 $t = current_theme();
1483                 if (file_exists('view/theme/' . $t . '/style.php'))
1484                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1485                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1486         }
1487 }
1488
1489 if(! function_exists('feed_birthday')) {
1490         function feed_birthday($uid,$tz) {
1491
1492                 /**
1493                  *
1494                  * Determine the next birthday, but only if the birthday is published
1495                  * in the default profile. We _could_ also look for a private profile that the
1496                  * recipient can see, but somebody could get mad at us if they start getting
1497                  * public birthday greetings when they haven't made this info public.
1498                  *
1499                  * Assuming we are able to publish this info, we are then going to convert
1500                  * the start time from the owner's timezone to UTC.
1501                  *
1502                  * This will potentially solve the problem found with some social networks
1503                  * where birthdays are converted to the viewer's timezone and salutations from
1504                  * elsewhere in the world show up on the wrong day. We will convert it to the
1505                  * viewer's timezone also, but first we are going to convert it from the birthday
1506                  * person's timezone to GMT - so the viewer may find the birthday starting at
1507                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1508                  *
1509                  */
1510
1511
1512                 $birthday = '';
1513
1514                 if(! strlen($tz))
1515                         $tz = 'UTC';
1516
1517                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1518                                 intval($uid)
1519                 );
1520
1521                 if($p && count($p)) {
1522                         $tmp_dob = substr($p[0]['dob'],5);
1523                         if(intval($tmp_dob)) {
1524                                 $y = datetime_convert($tz,$tz,'now','Y');
1525                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1526                                 $t_dob = strtotime($bd);
1527                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1528                                 if($t_dob < $now)
1529                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1530                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1531                         }
1532                 }
1533
1534                 return $birthday;
1535         }
1536 }
1537
1538 if(! function_exists('is_site_admin')) {
1539         function is_site_admin() {
1540                 $a = get_app();
1541                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1542                         return true;
1543                 return false;
1544         }
1545 }
1546
1547
1548 if(! function_exists('load_contact_links')) {
1549         function load_contact_links($uid) {
1550
1551                 $a = get_app();
1552
1553                 $ret = array();
1554
1555                 if(! $uid || x($a->contacts,'empty'))
1556                         return;
1557
1558                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1559                                 intval($uid)
1560                 );
1561                 if(count($r)) {
1562                         foreach($r as $rr){
1563                                 $url = normalise_link($rr['url']);
1564                                 $ret[$url] = $rr;
1565                         }
1566                 }
1567                 else
1568                         $ret['empty'] = true;
1569                 $a->contacts = $ret;
1570                 return;
1571         }
1572 }
1573
1574 if(! function_exists('profile_tabs')){
1575         function profile_tabs($a, $is_owner=False, $nickname=Null){
1576                 //echo "<pre>"; var_dump($a->user); killme();
1577
1578                 if (is_null($nickname))
1579                         $nickname  = $a->user['nickname'];
1580
1581                 if(x($_GET,'tab'))
1582                         $tab = notags(trim($_GET['tab']));
1583
1584                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1585
1586                 $tabs = array(
1587                         array(
1588                                 'label'=>t('Status'),
1589                                 'url' => $url,
1590                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1591                                 'title' => t('Status Messages and Posts'),
1592                                 'id' => 'status-tab',
1593                         ),
1594                         array(
1595                                 'label' => t('Profile'),
1596                                 'url'   => $url.'/?tab=profile',
1597                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1598                                 'title' => t('Profile Details'),
1599                                 'id' => 'profile-tab',
1600                         ),
1601                         array(
1602                                 'label' => t('Photos'),
1603                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1604                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1605                                 'title' => t('Photo Albums'),
1606                                 'id' => 'photo-tab',
1607                         ),
1608                 );
1609
1610                 if ($is_owner){
1611                         $tabs[] = array(
1612                                 'label' => t('Events'),
1613                                 'url'   => $a->get_baseurl() . '/events',
1614                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1615                                 'title' => t('Events and Calendar'),
1616                                 'id' => 'events-tab',
1617                         );
1618                         $tabs[] = array(
1619                                 'label' => t('Personal Notes'),
1620                                 'url'   => $a->get_baseurl() . '/notes',
1621                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1622                                 'title' => t('Only You Can See This'),
1623                                 'id' => 'notes-tab',
1624                         );
1625                 }
1626
1627
1628                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1629                 call_hooks('profile_tabs', $arr);
1630
1631                 $tpl = get_markup_template('common_tabs.tpl');
1632
1633                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1634         }
1635 }
1636
1637 function get_my_url() {
1638         if(x($_SESSION,'my_url'))
1639                 return $_SESSION['my_url'];
1640         return false;
1641 }
1642
1643 function zrl_init(&$a) {
1644         $tmp_str = get_my_url();
1645         if(validate_url($tmp_str)) {
1646                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1647                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1648                 call_hooks('zrl_init',$arr);
1649         }
1650 }
1651
1652 function zrl($s,$force = false) {
1653         if(! strlen($s))
1654                 return $s;
1655         if((! strpos($s,'/profile/')) && (! $force))
1656                 return $s;
1657         if($force && substr($s,-1,1) !== '/')
1658                 $s = $s . '/';
1659         $achar = strpos($s,'?') ? '&' : '?';
1660         $mine = get_my_url();
1661         if($mine and ! link_compare($mine,$s))
1662                 return $s . $achar . 'zrl=' . urlencode($mine);
1663         return $s;
1664 }
1665
1666 /**
1667 * returns querystring as string from a mapped array
1668 *
1669 * @param params Array
1670 * @return string
1671 */
1672 function build_querystring($params, $name=null) {
1673     $ret = "";
1674     foreach($params as $key=>$val) {
1675         if(is_array($val)) {
1676             if($name==null) {
1677                 $ret .= build_querystring($val, $key);
1678             } else {
1679                 $ret .= build_querystring($val, $name."[$key]");
1680             }
1681         } else {
1682             $val = urlencode($val);
1683             if($name!=null) {
1684                 $ret.=$name."[$key]"."=$val&";
1685             } else {
1686                 $ret.= "$key=$val&";
1687             }
1688         }
1689     }
1690     return $ret;
1691 }