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
  12 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  13 define ( 'FRIENDICA_VERSION',      '3.0.1383' );
  14 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  15 define ( 'DB_UPDATE_VERSION',      1149      );
  16
  17 define ( 'EOL',                    "<br />\r\n"     );
  18 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  19
  20
  21 /**
  22  *
  23  * Image storage quality. Lower numbers save space at cost of image detail.
  24  * For ease of upgrade, please do not change here. Change jpeg quality with
  25  * $a->config['system']['jpeg_quality'] = n;
  26  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  27  * below about 50
  28  *
  29  */
  30
  31 define ( 'JPEG_QUALITY',            100  );
  32 /**
  33  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  34  */
  35 define ( 'PNG_QUALITY',             8  );
  36
  37
  38 /**
  39  * Not yet used
  40  */
  41
  42 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  43
  44 /**
  45  * SSL redirection policies
  46  */
  47
  48 define ( 'SSL_POLICY_NONE',         0 );
  49 define ( 'SSL_POLICY_FULL',         1 );
  50 define ( 'SSL_POLICY_SELFSIGN',     2 );
  51
  52
  53 /**
  54  * log levels
  55  */
  56
  57 define ( 'LOGGER_NORMAL',          0 );
  58 define ( 'LOGGER_TRACE',           1 );
  59 define ( 'LOGGER_DEBUG',           2 );
  60 define ( 'LOGGER_DATA',            3 );
  61 define ( 'LOGGER_ALL',             4 );
  62
  63 /**
  64  * registration policies
  65  */
  66
  67 define ( 'REGISTER_CLOSED',        0 );
  68 define ( 'REGISTER_APPROVE',       1 );
  69 define ( 'REGISTER_OPEN',          2 );
  70
  71 /**
  72  * relationship types
  73  */
  74
  75 define ( 'CONTACT_IS_FOLLOWER', 1);
  76 define ( 'CONTACT_IS_SHARING',  2);
  77 define ( 'CONTACT_IS_FRIEND',   3);
  78
  79
  80 /**
  81  * DB update return values
  82  */
  83
  84 define ( 'UPDATE_SUCCESS', 0);
  85 define ( 'UPDATE_FAILED',  1);
  86
  87
  88 /**
  89  *
  90  * page/profile types
  91  *
  92  * PAGE_NORMAL is a typical personal profile account
  93  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
  94  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
  95  *      write access to wall and comments (no email and not included in page owner's ACL lists)
  96  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
  97  *
  98  */
  99
 100 define ( 'PAGE_NORMAL',            0 );
 101 define ( 'PAGE_SOAPBOX',           1 );
 102 define ( 'PAGE_COMMUNITY',         2 );
 103 define ( 'PAGE_FREELOVE',          3 );
 104 define ( 'PAGE_BLOG',              4 );
 105 define ( 'PAGE_PRVGROUP',          5 );
 106
 107 /**
 108  * Network and protocol family types
 109  */
 110
 111 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 112 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 113 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 114 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 115 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 116 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 117 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 118 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 119 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 120 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 121 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 122 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 123
 124 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 125
 126 /**
 127  * These numbers are used in stored permissions
 128  * and existing allocations MUST NEVER BE CHANGED
 129  * OR RE-ASSIGNED! You may only add to them.
 130  */
 131
 132 $netgroup_ids = array(
 133         NETWORK_DFRN     => (-1),
 134         NETWORK_ZOT      => (-2),
 135         NETWORK_OSTATUS  => (-3),
 136         NETWORK_FEED     => (-4),
 137         NETWORK_DIASPORA => (-5),
 138         NETWORK_MAIL     => (-6),
 139         NETWORK_MAIL2    => (-7),
 140         NETWORK_FACEBOOK => (-8),
 141         NETWORK_LINKEDIN => (-9),
 142         NETWORK_XMPP     => (-10),
 143         NETWORK_MYSPACE  => (-11),
 144         NETWORK_GPLUS    => (-12),
 145
 146         NETWORK_PHANTOM  => (-127),
 147 );
 148
 149
 150 /**
 151  * Maximum number of "people who like (or don't like) this"  that we will list by name
 152  */
 153
 154 define ( 'MAX_LIKERS',    75);
 155
 156 /**
 157  * Communication timeout
 158  */
 159
 160 define ( 'ZCURL_TIMEOUT' , (-1));
 161
 162
 163 /**
 164  * email notification options
 165  */
 166
 167 define ( 'NOTIFY_INTRO',    0x0001 );
 168 define ( 'NOTIFY_CONFIRM',  0x0002 );
 169 define ( 'NOTIFY_WALL',     0x0004 );
 170 define ( 'NOTIFY_COMMENT',  0x0008 );
 171 define ( 'NOTIFY_MAIL',     0x0010 );
 172 define ( 'NOTIFY_SUGGEST',  0x0020 );
 173 define ( 'NOTIFY_PROFILE',  0x0040 );
 174 define ( 'NOTIFY_TAGSELF',  0x0080 );
 175 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 176
 177 define ( 'NOTIFY_SYSTEM',   0x8000 );
 178
 179
 180 /**
 181  * various namespaces we may need to parse
 182  */
 183
 184 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 185 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 186 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 187 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 188 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 189 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 190 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 191 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 192 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 193 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 194 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 195 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 196 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 197 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 198 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 199 /**
 200  * activity stream defines
 201  */
 202
 203 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 204 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 205 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 206
 207 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 208 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 209 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 210 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 211 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 212 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 213
 214 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 215 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 216 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 217 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 218
 219 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 220 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 221 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 222 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 223 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 224 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 225 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 226 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 227 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 228 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 229
 230 /**
 231  * item weight for query ordering
 232  */
 233
 234 define ( 'GRAVITY_PARENT',       0);
 235 define ( 'GRAVITY_LIKE',         3);
 236 define ( 'GRAVITY_COMMENT',      6);
 237
 238 /**
 239  *
 240  * Reverse the effect of magic_quotes_gpc if it is enabled.
 241  * Please disable magic_quotes_gpc so we don't have to do this.
 242  * See http://php.net/manual/en/security.magicquotes.disabling.php
 243  *
 244  */
 245
 246 function startup() {
 247         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 248         set_time_limit(0);
 249
 250         // This has to be quite large to deal with embedded private photos
 251         ini_set('pcre.backtrack_limit', 500000);
 252
 253
 254         if (get_magic_quotes_gpc()) {
 255                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 256                 while (list($key, $val) = each($process)) {
 257                         foreach ($val as $k => $v) {
 258                                 unset($process[$key][$k]);
 259                                 if (is_array($v)) {
 260                                         $process[$key][stripslashes($k)] = $v;
 261                                         $process[] = &$process[$key][stripslashes($k)];
 262                                 } else {
 263                                         $process[$key][stripslashes($k)] = stripslashes($v);
 264                                 }
 265                         }
 266                 }
 267                 unset($process);
 268         }
 269
 270 }
 271
 272 /**
 273  *
 274  * class: App
 275  *
 276  * Our main application structure for the life of this page
 277  * Primarily deals with the URL that got us here
 278  * and tries to make some sense of it, and
 279  * stores our page contents and config storage
 280  * and anything else that might need to be passed around
 281  * before we spit the page out.
 282  *
 283  */
 284
 285 if(! class_exists('App')) {
 286         class App {
 287
 288                 public  $module_loaded = false;
 289                 public  $query_string;
 290                 public  $config;
 291                 public  $page;
 292                 public  $profile;
 293                 public  $user;
 294                 public  $cid;
 295                 public  $contact;
 296                 public  $contacts;
 297                 public  $page_contact;
 298                 public  $content;
 299                 public  $data = array();
 300                 public  $error = false;
 301                 public  $cmd;
 302                 public  $argv;
 303                 public  $argc;
 304                 public  $module;
 305                 public  $pager;
 306                 public  $strings;
 307                 public  $path;
 308                 public  $hooks;
 309                 public  $timezone;
 310                 public  $interactive = true;
 311                 public  $plugins;
 312                 public  $apps = array();
 313                 public  $identities;
 314
 315                 public $nav_sel;
 316
 317                 public $category;
 318
 319                 private $scheme;
 320                 private $hostname;
 321                 private $baseurl;
 322                 private $db;
 323
 324                 private $curl_code;
 325                 private $curl_headers;
 326
 327                 private $cached_profile_image;
 328                 private $cached_profile_picdate;
 329
 330                 function __construct() {
 331
 332                         global $default_timezone;
 333
 334                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 335
 336                         date_default_timezone_set($this->timezone);
 337
 338                         $this->config = array();
 339                         $this->page = array();
 340                         $this->pager= array();
 341
 342                         $this->query_string = '';
 343
 344                         startup();
 345
 346                         $this->scheme = 'http';
 347                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 348                                 $this->scheme = 'https';
 349                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 350                         $this->scheme = 'https';
 351
 352
 353                         if(x($_SERVER,'SERVER_NAME')) {
 354                                 $this->hostname = $_SERVER['SERVER_NAME'];
 355                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 356                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 357                                 /**
 358                                  * Figure out if we are running at the top of a domain
 359                                  * or in a sub-directory and adjust accordingly
 360                                  */
 361
 362                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 363                                 if(isset($path) && strlen($path) && ($path != $this->path))
 364                                         $this->path = $path;
 365                         }
 366
 367                         set_include_path(
 368                                         "include/$this->hostname" . PATH_SEPARATOR
 369                                         . 'include' . PATH_SEPARATOR
 370                                         . 'library' . PATH_SEPARATOR
 371                                         . 'library/phpsec' . PATH_SEPARATOR
 372                                         . '.' );
 373
 374                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 375                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 376                                 // removing trailing / - maybe a nginx problem
 377                                 if (substr($this->query_string, 0, 1) == "/")
 378                                         $this->query_string = substr($this->query_string, 1);
 379                         }
 380                         if(x($_GET,'q'))
 381                                 $this->cmd = trim($_GET['q'],'/\\');
 382
 383                         // unix style "homedir"
 384
 385                         if(substr($this->cmd,0,1) === '~')
 386                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 387
 388                         // Diaspora style profile url
 389
 390                         if(substr($this->cmd,0,2) === 'u/')
 391                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 392
 393                         /**
 394                          *
 395                          * Break the URL path into C style argc/argv style arguments for our
 396                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 397                          * will be 3 (integer) and $this->argv will contain:
 398                          *   [0] => 'module'
 399                          *   [1] => 'arg1'
 400                          *   [2] => 'arg2'
 401                          *
 402                          *
 403                          * There will always be one argument. If provided a naked domain
 404                          * URL, $this->argv[0] is set to "home".
 405                          *
 406                          */
 407
 408                         $this->argv = explode('/',$this->cmd);
 409                         $this->argc = count($this->argv);
 410                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 411                                 $this->module = str_replace(".", "_", $this->argv[0]);
 412                         }
 413                         else {
 414                                 $this->argc = 1;
 415                                 $this->argv = array('home');
 416                                 $this->module = 'home';
 417                         }
 418
 419                         /**
 420                          * Special handling for the webfinger/lrdd host XRD file
 421                          */
 422
 423                         if($this->cmd === '.well-known/host-meta') {
 424                                 $this->argc = 1;
 425                                 $this->argv = array('hostxrd');
 426                                 $this->module = 'hostxrd';
 427                         }
 428
 429                         /**
 430                          * See if there is any page number information, and initialise
 431                          * pagination
 432                          */
 433
 434                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 435                         $this->pager['itemspage'] = 50;
 436                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 437                         $this->pager['total'] = 0;
 438                 }
 439
 440                 function get_baseurl($ssl = false) {
 441
 442                         $scheme = $this->scheme;
 443
 444                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 445                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 446                                         $scheme = 'https';
 447
 448                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 449                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 450
 451                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 452                                         if($ssl)
 453                                                 $scheme = 'https';
 454                                         else
 455                                                 $scheme = 'http';
 456                                 }
 457                         }
 458
 459                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 460                         return $this->baseurl;
 461                 }
 462
 463                 function set_baseurl($url) {
 464                         $parsed = @parse_url($url);
 465
 466                         $this->baseurl = $url;
 467
 468                         if($parsed) {
 469                                 $this->scheme = $parsed['scheme'];
 470
 471                                 $this->hostname = $parsed['host'];
 472                                 if(x($parsed,'port'))
 473                                         $this->hostname .= ':' . $parsed['port'];
 474                                 if(x($parsed,'path'))
 475                                         $this->path = trim($parsed['path'],'\\/');
 476                         }
 477
 478                 }
 479
 480                 function get_hostname() {
 481                         return $this->hostname;
 482                 }
 483
 484                 function set_hostname($h) {
 485                         $this->hostname = $h;
 486                 }
 487
 488                 function set_path($p) {
 489                         $this->path = trim(trim($p),'/');
 490                 }
 491
 492                 function get_path() {
 493                         return $this->path;
 494                 }
 495
 496                 function set_pager_total($n) {
 497                         $this->pager['total'] = intval($n);
 498                 }
 499
 500                 function set_pager_itemspage($n) {
 501                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 502                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 503
 504                 }
 505
 506                 function init_pagehead() {
 507                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 508                         if($interval < 10000)
 509                                 $interval = 40000;
 510
 511                         $this->page['title'] = $this->config['sitename'];
 512                         $tpl = file_get_contents('view/head.tpl');
 513                         $this->page['htmlhead'] = replace_macros($tpl,array(
 514                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 515                                 '$local_user' => local_user(),
 516                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 517                                 '$delitem' => t('Delete this item?'),
 518                                 '$comment' => t('Comment'),
 519                                 '$showmore' => t('show more'),
 520                                 '$showfewer' => t('show fewer'),
 521                                 '$update_interval' => $interval
 522                         ));
 523                 }
 524
 525                 function set_curl_code($code) {
 526                         $this->curl_code = $code;
 527                 }
 528
 529                 function get_curl_code() {
 530                         return $this->curl_code;
 531                 }
 532
 533                 function set_curl_headers($headers) {
 534                         $this->curl_headers = $headers;
 535                 }
 536
 537                 function get_curl_headers() {
 538                         return $this->curl_headers;
 539                 }
 540
 541                 function get_cached_avatar_image($avatar_image){
 542                         if($this->cached_profile_image[$avatar_image])
 543                                 return $this->cached_profile_image[$avatar_image];
 544
 545                         $path_parts = explode("/",$avatar_image);
 546                         $common_filename = $path_parts[count($path_parts)-1];
 547
 548                         if($this->cached_profile_picdate[$common_filename]){
 549                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 550                         } else {
 551                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 552                                         $common_filename);
 553                                 if(! count($r)){
 554                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 555                                 } else {
 556                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 557                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 558                                 }
 559                         }
 560                         return $this->cached_profile_image[$avatar_image];
 561                 }
 562
 563
 564         }
 565 }
 566
 567 // retrieve the App structure
 568 // useful in functions which require it but don't get it passed to them
 569
 570 if(! function_exists('get_app')) {
 571         function get_app() {
 572                 global $a;
 573                 return $a;
 574         }
 575 };
 576
 577
 578 // Multi-purpose function to check variable state.
 579 // Usage: x($var) or $x($array,'key')
 580 // returns false if variable/key is not set
 581 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 582 // e.g. x('') or x(0) returns 0;
 583
 584 if(! function_exists('x')) {
 585         function x($s,$k = NULL) {
 586                 if($k != NULL) {
 587                         if((is_array($s)) && (array_key_exists($k,$s))) {
 588                                 if($s[$k])
 589                                         return (int) 1;
 590                                 return (int) 0;
 591                 }
 592                         return false;
 593                 }
 594                 else {
 595                         if(isset($s)) {
 596                                 if($s) {
 597                                         return (int) 1;
 598                                 }
 599                                 return (int) 0;
 600                         }
 601                         return false;
 602                 }
 603         }
 604 }
 605
 606 // called from db initialisation if db is dead.
 607
 608 if(! function_exists('system_unavailable')) {
 609         function system_unavailable() {
 610                 include('system_unavailable.php');
 611                 system_down();
 612                 killme();
 613         }
 614 }
 615
 616
 617
 618 function clean_urls() {
 619         global $a;
 620         //      if($a->config['system']['clean_urls'])
 621         return true;
 622         //      return false;
 623 }
 624
 625 function z_path() {
 626         global $a;
 627         $base = $a->get_baseurl();
 628         if(! clean_urls())
 629                 $base .= '/?q=';
 630         return $base;
 631 }
 632
 633 function z_root() {
 634         global $a;
 635         return $a->get_baseurl();
 636 }
 637
 638 function absurl($path) {
 639         if(strpos($path,'/') === 0)
 640                 return z_path() . $path;
 641         return $path;
 642 }
 643
 644 function is_ajax() {
 645         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 646 }
 647
 648
 649 // Primarily involved with database upgrade, but also sets the
 650 // base url for use in cmdline programs which don't have
 651 // $_SERVER variables, and synchronising the state of installed plugins.
 652
 653
 654 if(! function_exists('check_config')) {
 655         function check_config(&$a) {
 656
 657                 $build = get_config('system','build');
 658                 if(! x($build))
 659                         $build = set_config('system','build',DB_UPDATE_VERSION);
 660
 661                 $url = get_config('system','url');
 662
 663                 // if the url isn't set or the stored url is radically different
 664                 // than the currently visited url, store the current value accordingly.
 665                 // "Radically different" ignores common variations such as http vs https
 666                 // and www.example.com vs example.com.
 667
 668                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 669                         $url = set_config('system','url',$a->get_baseurl());
 670
 671                 if($build != DB_UPDATE_VERSION) {
 672                         $stored = intval($build);
 673                         $current = intval(DB_UPDATE_VERSION);
 674                         if(($stored < $current) && file_exists('update.php')) {
 675
 676                                 load_config('database');
 677
 678                                 // We're reporting a different version than what is currently installed.
 679                                 // Run any existing update scripts to bring the database up to current.
 680
 681                                 require_once('update.php');
 682
 683                                 // make sure that boot.php and update.php are the same release, we might be
 684                                 // updating right this very second and the correct version of the update.php
 685                                 // file may not be here yet. This can happen on a very busy site.
 686
 687                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 688
 689                                         for($x = $stored; $x < $current; $x ++) {
 690                                                 if(function_exists('update_' . $x)) {
 691
 692                                                         // There could be a lot of processes running or about to run.
 693                                                         // We want exactly one process to run the update command.
 694                                                         // So store the fact that we're taking responsibility
 695                                                         // after first checking to see if somebody else already has.
 696
 697                                                         // If the update fails or times-out completely you may need to
 698                                                         // delete the config entry to try again.
 699
 700                                                         if(get_config('database','update_' . $x))
 701                                                                 break;
 702                                                         set_config('database','update_' . $x, '1');
 703
 704                                                         // call the specific update
 705
 706                                                         $func = 'update_' . $x;
 707                                                         $retval = $func();
 708                                                         if($retval) {
 709                                                                 //send the administrator an e-mail
 710                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 711                                                                 $email_msg = replace_macros($email_tpl, array(
 712                                                                         '$sitename' => $a->config['sitename'],
 713                                                                         '$siteurl' =>  $a->get_baseurl(),
 714                                                                         '$update' => $x,
 715                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 716                                                                 ));
 717                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 718
 719                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 720                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 721                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 722                                                                         . 'Content-transfer-encoding: 8bit' );
 723                                                                 //try the logger
 724                                                                 logger('CRITICAL: Update Failed: '. $x);
 725                                                         }
 726                                                         else
 727                                                                 set_config('database','update_' . $x, 'success');
 728
 729                                                 }
 730                                         }
 731                                         set_config('system','build', DB_UPDATE_VERSION);
 732                                 }
 733                         }
 734                 }
 735
 736                 /**
 737                  *
 738                  * Synchronise plugins:
 739                  *
 740                  * $a->config['system']['addon'] contains a comma-separated list of names
 741                  * of plugins/addons which are used on this system.
 742                  * Go through the database list of already installed addons, and if we have
 743                  * an entry, but it isn't in the config list, call the uninstall procedure
 744                  * and mark it uninstalled in the database (for now we'll remove it).
 745                  * Then go through the config list and if we have a plugin that isn't installed,
 746                  * call the install procedure and add it to the database.
 747                  *
 748                  */
 749
 750                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 751                 if(count($r))
 752                         $installed = $r;
 753                 else
 754                         $installed = array();
 755
 756                 $plugins = get_config('system','addon');
 757                 $plugins_arr = array();
 758
 759                 if($plugins)
 760                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 761
 762                 $a->plugins = $plugins_arr;
 763
 764                 $installed_arr = array();
 765
 766                 if(count($installed)) {
 767                         foreach($installed as $i) {
 768                                 if(! in_array($i['name'],$plugins_arr)) {
 769                                         uninstall_plugin($i['name']);
 770                                 }
 771                                 else {
 772                                         $installed_arr[] = $i['name'];
 773                                 }
 774                         }
 775                 }
 776
 777                 if(count($plugins_arr)) {
 778                         foreach($plugins_arr as $p) {
 779                                 if(! in_array($p,$installed_arr)) {
 780                                         install_plugin($p);
 781                                 }
 782                         }
 783                 }
 784
 785
 786                 load_hooks();
 787
 788                 return;
 789         }
 790 }
 791
 792
 793 function get_guid($size=16) {
 794         $exists = true; // assume by default that we don't have a unique guid
 795         do {
 796                 $s = random_string($size);
 797                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 798                 if(! count($r))
 799                         $exists = false;
 800         } while($exists);
 801         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 802         return $s;
 803 }
 804
 805
 806 // wrapper for adding a login box. If $register == true provide a registration
 807 // link. This will most always depend on the value of $a->config['register_policy'].
 808 // returns the complete html for inserting into the page
 809
 810 if(! function_exists('login')) {
 811         function login($register = false, $hiddens=false) {
 812                 $a = get_app();
 813                 $o = "";
 814                 $reg = false;
 815                 if ($register) {
 816                         $reg = array(
 817                                 'title' => t('Create a New Account'),
 818                                 'desc' => t('Register')
 819                         );
 820                 }
 821
 822                 $noid = get_config('system','no_openid');
 823
 824                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 825
 826                 if(local_user()) {
 827                         $tpl = get_markup_template("logout.tpl");
 828                 }
 829                 else {
 830                         $tpl = get_markup_template("login.tpl");
 831                         $_SESSION['return_url'] = $a->query_string;
 832                 }
 833
 834
 835                 $o .= replace_macros($tpl,array(
 836
 837                         '$dest_url'     => $dest_url,
 838                         '$logout'       => t('Logout'),
 839                         '$login'        => t('Login'),
 840
 841                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 842                         '$lpassword'    => array('password', t('Password: '), '', ''),
 843
 844                         '$openid'               => !$noid,
 845                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 846
 847                         '$hiddens'      => $hiddens,
 848
 849                         '$register'     => $reg,
 850
 851                         '$lostpass'     => t('Forgot your password?'),
 852                         '$lostlink'     => t('Password Reset'),
 853                 ));
 854
 855                 call_hooks('login_hook',$o);
 856
 857                 return $o;
 858         }
 859 }
 860
 861 // Used to end the current process, after saving session state.
 862
 863 if(! function_exists('killme')) {
 864         function killme() {
 865                 session_write_close();
 866                 exit;
 867         }
 868 }
 869
 870 // redirect to another URL and terminate this process.
 871
 872 if(! function_exists('goaway')) {
 873         function goaway($s) {
 874                 header("Location: $s");
 875                 killme();
 876         }
 877 }
 878
 879
 880 // Returns the uid of locally logged in user or false.
 881
 882 if(! function_exists('local_user')) {
 883         function local_user() {
 884                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 885                         return intval($_SESSION['uid']);
 886                 return false;
 887         }
 888 }
 889
 890 // Returns contact id of authenticated site visitor or false
 891
 892 if(! function_exists('remote_user')) {
 893         function remote_user() {
 894                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 895                         return intval($_SESSION['visitor_id']);
 896                 return false;
 897         }
 898 }
 899
 900 // contents of $s are displayed prominently on the page the next time
 901 // a page is loaded. Usually used for errors or alerts.
 902
 903 if(! function_exists('notice')) {
 904         function notice($s) {
 905                 $a = get_app();
 906                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 907                 if($a->interactive)
 908                         $_SESSION['sysmsg'][] = $s;
 909         }
 910 }
 911 if(! function_exists('info')) {
 912         function info($s) {
 913                 $a = get_app();
 914                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 915                 if($a->interactive)
 916                         $_SESSION['sysmsg_info'][] = $s;
 917         }
 918 }
 919
 920
 921 // wrapper around config to limit the text length of an incoming message
 922
 923 if(! function_exists('get_max_import_size')) {
 924         function get_max_import_size() {
 925                 global $a;
 926                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 927         }
 928 }
 929
 930
 931
 932 /**
 933  *
 934  * Function : profile_load
 935  * @parameter App    $a
 936  * @parameter string $nickname
 937  * @parameter int    $profile
 938  *
 939  * Summary: Loads a profile into the page sidebar.
 940  * The function requires a writeable copy of the main App structure, and the nickname
 941  * of a registered local account.
 942  *
 943  * If the viewer is an authenticated remote viewer, the profile displayed is the
 944  * one that has been configured for his/her viewing in the Contact manager.
 945  * Passing a non-zero profile ID can also allow a preview of a selected profile
 946  * by the owner.
 947  *
 948  * Profile information is placed in the App structure for later retrieval.
 949  * Honours the owner's chosen theme for display.
 950  *
 951  */
 952
 953 if(! function_exists('profile_load')) {
 954         function profile_load(&$a, $nickname, $profile = 0) {
 955                 if(remote_user()) {
 956                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 957                                         intval($_SESSION['visitor_id']));
 958                         if(count($r))
 959                                 $profile = $r[0]['profile-id'];
 960                 }
 961
 962                 $r = null;
 963
 964                 if($profile) {
 965                         $profile_int = intval($profile);
 966                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 967                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 968                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 969                                         dbesc($nickname),
 970                                         intval($profile_int)
 971                         );
 972                 }
 973                 if((! $r) && (!  count($r))) {
 974                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 975                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 976                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 977                                         dbesc($nickname)
 978                         );
 979                 }
 980
 981                 if(($r === false) || (! count($r))) {
 982                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 983                         notice( t('Requested profile is not available.') . EOL );
 984                         $a->error = 404;
 985                         return;
 986                 }
 987
 988                 // fetch user tags if this isn't the default profile
 989
 990                 if(! $r[0]['is-default']) {
 991                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 992                                         intval($profile_uid)
 993                         );
 994                         if($x && count($x))
 995                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 996                 }
 997
 998                 $a->profile = $r[0];
 999
1000
1001                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1002                 $_SESSION['theme'] = $a->profile['theme'];
1003
1004                 /**
1005                  * load/reload current theme info
1006                  */
1007
1008                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1009                 if (file_exists($theme_info_file)){
1010                         require_once($theme_info_file);
1011                 }
1012
1013                 if(! (x($a->page,'aside')))
1014                         $a->page['aside'] = '';
1015
1016                 if(local_user() && local_user() == $a->profile['uid']) {
1017                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1018                                 '$editprofile' => t('Edit profile'),
1019                                 '$profid' => $a->profile['id']
1020                         ));
1021                 }
1022
1023                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1024
1025                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1026
1027                 /*if(! $block)
1028                  $a->page['aside'] .= contact_block();*/
1029
1030                 return;
1031         }
1032 }
1033
1034
1035 /**
1036  *
1037  * Function: profile_sidebar
1038  *
1039  * Formats a profile for display in the sidebar.
1040  * It is very difficult to templatise the HTML completely
1041  * because of all the conditional logic.
1042  *
1043  * @parameter: array $profile
1044  *
1045  * Returns HTML string stuitable for sidebar inclusion
1046  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1047  *
1048  */
1049
1050
1051 if(! function_exists('profile_sidebar')) {
1052         function profile_sidebar($profile, $block = 0) {
1053
1054                 $a = get_app();
1055
1056                 $o = '';
1057                 $location = false;
1058                 $address = false;
1059                 $pdesc = true;
1060
1061                 if((! is_array($profile)) && (! count($profile)))
1062                         return $o;
1063
1064                 $profile['picdate'] = urlencode($profile['picdate']);
1065
1066                 call_hooks('profile_sidebar_enter', $profile);
1067
1068
1069                 // don't show connect link to yourself
1070                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1071
1072                 // don't show connect link to authenticated visitors either
1073
1074                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1075                         $connect = False;
1076
1077                 if(get_my_url() && $profile['unkmail'])
1078                         $wallmessage = t('Message');
1079                 else
1080                         $wallmessage = false;
1081
1082
1083
1084                 // show edit profile to yourself
1085                 if ($profile['uid'] == local_user()) {
1086                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1087
1088                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1089                                         local_user());
1090
1091                         $profile['menu'] = array(
1092                                 'chg_photo' => t('Change profile photo'),
1093                                 'cr_new' => t('Create New Profile'),
1094                                 'entries' => array(),
1095                         );
1096
1097                         if(count($r)) {
1098
1099                                 foreach($r as $rr) {
1100                                         $profile['menu']['entries'][] = array(
1101                                                 'photo' => $rr['thumb'],
1102                                                 'id' => $rr['id'],
1103                                                 'alt' => t('Profile Image'),
1104                                                 'profile_name' => $rr['profile-name'],
1105                                                 'isdefault' => $rr['is-default'],
1106                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1107                                                 'edit_visibility' => t('Edit visibility'),
1108
1109                                         );
1110                                 }
1111
1112
1113                         }
1114
1115
1116                 }
1117
1118
1119
1120
1121                 if((x($profile,'address') == 1)
1122                                 || (x($profile,'locality') == 1)
1123                                 || (x($profile,'region') == 1)
1124                                 || (x($profile,'postal-code') == 1)
1125                                 || (x($profile,'country-name') == 1))
1126                         $location = t('Location:');
1127
1128                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1129
1130
1131                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1132
1133                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1134
1135                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1136                         $location = $pdesc = $gender = $marital = $homepage = False;
1137                 }
1138
1139                 $firstname = ((strpos($profile['name'],' '))
1140                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1141                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1142
1143                 $diaspora = array(
1144                         'podloc' => $a->get_baseurl(),
1145                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1146                         'nickname' => $profile['nickname'],
1147                         'fullname' => $profile['name'],
1148                         'firstname' => $firstname,
1149                         'lastname' => $lastname,
1150                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1151                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1152                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1153                 );
1154
1155                 if (!$block){
1156                         $contact_block = contact_block();
1157                 }
1158
1159
1160                 $tpl = get_markup_template('profile_vcard.tpl');
1161
1162                 $o .= replace_macros($tpl, array(
1163                         '$profile' => $profile,
1164                         '$connect'  => $connect,
1165                         '$wallmessage' => $wallmessage,
1166                         '$location' => template_escape($location),
1167                         '$gender'   => $gender,
1168                         '$pdesc'        => $pdesc,
1169                         '$marital'  => $marital,
1170                         '$homepage' => $homepage,
1171                         '$diaspora' => $diaspora,
1172                         '$contact_block' => $contact_block,
1173                 ));
1174
1175
1176                 $arr = array('profile' => &$profile, 'entry' => &$o);
1177
1178                 call_hooks('profile_sidebar', $arr);
1179
1180                 return $o;
1181         }
1182 }
1183
1184
1185 if(! function_exists('get_birthdays')) {
1186         function get_birthdays() {
1187
1188                 $a = get_app();
1189                 $o = '';
1190
1191                 if(! local_user())
1192                         return $o;
1193
1194                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1195                 $bd_short = t('F d');
1196
1197                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1198                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1199                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1200                                 ORDER BY `start` ASC ",
1201                                 intval(local_user()),
1202                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1203                                 dbesc(datetime_convert('UTC','UTC','now'))
1204                 );
1205
1206                 if($r && count($r)) {
1207                         $total = 0;
1208                         $now = strtotime('now');
1209                         $cids = array();
1210
1211                         $istoday = false;
1212                         foreach($r as $rr) {
1213                                 if(strlen($rr['name']))
1214                                         $total ++;
1215                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1216                                         $istoday = true;
1217                         }
1218                         $classtoday = $istoday ? ' birthday-today ' : '';
1219                         if($total) {
1220                                 foreach($r as &$rr) {
1221                                         if(! strlen($rr['name']))
1222                                                 continue;
1223
1224                                         // avoid duplicates
1225
1226                                         if(in_array($rr['cid'],$cids))
1227                                                 continue;
1228                                         $cids[] = $rr['cid'];
1229
1230                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1231                                         $sparkle = '';
1232                                         $url = $rr['url'];
1233                                         if($rr['network'] === NETWORK_DFRN) {
1234                                                 $sparkle = " sparkle";
1235                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1236                                         }
1237
1238                                         $rr['link'] = $url;
1239                                         $rr['title'] = $rr['name'];
1240                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1241                                         $rr['startime'] = Null;
1242                                         $rr['today'] = $today;
1243
1244                                 }
1245                         }
1246                 }
1247                 $tpl = get_markup_template("birthdays_reminder.tpl");
1248                 return replace_macros($tpl, array(
1249                         '$baseurl' => $a->get_baseurl(),
1250                         '$classtoday' => $classtoday,
1251                         '$count' => $total,
1252                         '$event_reminders' => t('Birthday Reminders'),
1253                         '$event_title' => t('Birthdays this week:'),
1254                         '$events' => $r,
1255                 ));
1256         }
1257 }
1258
1259
1260 if(! function_exists('get_events')) {
1261         function get_events() {
1262
1263                 require_once('include/bbcode.php');
1264
1265                 $a = get_app();
1266
1267                 if(! local_user())
1268                         return $o;
1269
1270                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1271                 $bd_short = t('F d');
1272
1273                 $r = q("SELECT `event`.* FROM `event`
1274                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1275                                 ORDER BY `start` ASC ",
1276                                 intval(local_user()),
1277                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1278                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1279                 );
1280
1281                 if($r && count($r)) {
1282                         $now = strtotime('now');
1283                         $istoday = false;
1284                         foreach($r as $rr) {
1285                                 if(strlen($rr['name']))
1286                                         $total ++;
1287
1288                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1289                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1290                                         $istoday = true;
1291                         }
1292                         $classtoday = (($istoday) ? 'event-today' : '');
1293
1294
1295                         foreach($r as &$rr) {
1296                                 if($rr['adjust'])
1297                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1298                                 else
1299                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1300                                 $md .= "/#link-".$rr['id'];
1301
1302                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1303                                 if(! $title)
1304                                         $title = t('[No description]');
1305
1306                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1307                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1308
1309                                 $rr['link'] = $md;
1310                                 $rr['title'] = $title;
1311                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1312                                 $rr['startime'] = $strt;
1313                                 $rr['today'] = $today;
1314                         }
1315                 }
1316
1317                 $tpl = get_markup_template("events_reminder.tpl");
1318                 return replace_macros($tpl, array(
1319                         '$baseurl' => $a->get_baseurl(),
1320                         '$classtoday' => $classtoday,
1321                         '$count' => count($r),
1322                         '$event_reminders' => t('Event Reminders'),
1323                         '$event_title' => t('Events this week:'),
1324                         '$events' => $r,
1325                 ));
1326         }
1327 }
1328
1329
1330 /**
1331  *
1332  * Wrap calls to proc_close(proc_open()) and call hook
1333  * so plugins can take part in process :)
1334  *
1335  * args:
1336  * $cmd program to run
1337  *  next args are passed as $cmd command line
1338  *
1339  * e.g.: proc_run("ls","-la","/tmp");
1340  *
1341  * $cmd and string args are surrounded with ""
1342  */
1343
1344 if(! function_exists('proc_run')) {
1345         function proc_run($cmd){
1346
1347                 $a = get_app();
1348
1349                 $args = func_get_args();
1350
1351                 $newargs = array();
1352                 if(! count($args))
1353                         return;
1354
1355                 // expand any arrays
1356
1357                 foreach($args as $arg) {
1358                         if(is_array($arg)) {
1359                                 foreach($arg as $n) {
1360                                         $newargs[] = $n;
1361                                 }
1362                         }
1363                         else
1364                                 $newargs[] = $arg;
1365                 }
1366
1367                 $args = $newargs;
1368
1369                 $arr = array('args' => $args, 'run_cmd' => true);
1370
1371                 call_hooks("proc_run", $arr);
1372                 if(! $arr['run_cmd'])
1373                         return;
1374
1375                 if(count($args) && $args[0] === 'php')
1376                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1377                 foreach ($args as $arg){
1378                         $arg = escapeshellarg($arg);
1379                 }
1380                 $cmdline = implode($args," ");
1381                 proc_close(proc_open($cmdline." &",array(),$foo));
1382         }
1383 }
1384
1385 if(! function_exists('current_theme')) {
1386         function current_theme(){
1387                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1388
1389                 $a = get_app();
1390
1391                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1392                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1393
1394                 if($theme_name &&
1395                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1396                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1397                         return($theme_name);
1398
1399                 foreach($app_base_themes as $t) {
1400                         if(file_exists('view/theme/' . $t . '/style.css')||
1401                                         file_exists('view/theme/' . $t . '/style.php'))
1402                                 return($t);
1403                 }
1404
1405                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1406                 if(count($fallback))
1407                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1408
1409         }
1410 }
1411
1412 /*
1413  * Return full URL to theme which is currently in effect.
1414 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1415 */
1416 if(! function_exists('current_theme_url')) {
1417         function current_theme_url() {
1418                 global $a;
1419                 $t = current_theme();
1420                 if (file_exists('view/theme/' . $t . '/style.php'))
1421                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1422                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1423         }
1424 }
1425
1426 if(! function_exists('feed_birthday')) {
1427         function feed_birthday($uid,$tz) {
1428
1429                 /**
1430                  *
1431                  * Determine the next birthday, but only if the birthday is published
1432                  * in the default profile. We _could_ also look for a private profile that the
1433                  * recipient can see, but somebody could get mad at us if they start getting
1434                  * public birthday greetings when they haven't made this info public.
1435                  *
1436                  * Assuming we are able to publish this info, we are then going to convert
1437                  * the start time from the owner's timezone to UTC.
1438                  *
1439                  * This will potentially solve the problem found with some social networks
1440                  * where birthdays are converted to the viewer's timezone and salutations from
1441                  * elsewhere in the world show up on the wrong day. We will convert it to the
1442                  * viewer's timezone also, but first we are going to convert it from the birthday
1443                  * person's timezone to GMT - so the viewer may find the birthday starting at
1444                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1445                  *
1446                  */
1447
1448
1449                 $birthday = '';
1450
1451                 if(! strlen($tz))
1452                         $tz = 'UTC';
1453
1454                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1455                                 intval($uid)
1456                 );
1457
1458                 if($p && count($p)) {
1459                         $tmp_dob = substr($p[0]['dob'],5);
1460                         if(intval($tmp_dob)) {
1461                                 $y = datetime_convert($tz,$tz,'now','Y');
1462                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1463                                 $t_dob = strtotime($bd);
1464                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1465                                 if($t_dob < $now)
1466                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1467                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1468                         }
1469                 }
1470
1471                 return $birthday;
1472         }
1473 }
1474
1475 if(! function_exists('is_site_admin')) {
1476         function is_site_admin() {
1477                 $a = get_app();
1478                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1479                         return true;
1480                 return false;
1481         }
1482 }
1483
1484
1485 if(! function_exists('load_contact_links')) {
1486         function load_contact_links($uid) {
1487
1488                 $a = get_app();
1489
1490                 $ret = array();
1491
1492                 if(! $uid || x($a->contacts,'empty'))
1493                         return;
1494
1495                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1496                                 intval($uid)
1497                 );
1498                 if(count($r)) {
1499                         foreach($r as $rr){
1500                                 $url = normalise_link($rr['url']);
1501                                 $ret[$url] = $rr;
1502                         }
1503                 }
1504                 else
1505                         $ret['empty'] = true;
1506                 $a->contacts = $ret;
1507                 return;
1508         }
1509 }
1510
1511 if(! function_exists('profile_tabs')){
1512         function profile_tabs($a, $is_owner=False, $nickname=Null){
1513                 //echo "<pre>"; var_dump($a->user); killme();
1514
1515                 if (is_null($nickname))
1516                         $nickname  = $a->user['nickname'];
1517
1518                 if(x($_GET,'tab'))
1519                         $tab = notags(trim($_GET['tab']));
1520
1521                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1522
1523                 $tabs = array(
1524                         array(
1525                                 'label'=>t('Status'),
1526                                 'url' => $url,
1527                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1528                                 'title' => t('Status Messages and Posts'),
1529                         ),
1530                         array(
1531                                 'label' => t('Profile'),
1532                                 'url'   => $url.'/?tab=profile',
1533                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1534                                 'title' => t('Profile Details'),
1535                         ),
1536                         array(
1537                                 'label' => t('Photos'),
1538                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1539                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1540                                 'title' => t('Photo Albums'),
1541                         ),
1542                 );
1543
1544                 if ($is_owner){
1545                         $tabs[] = array(
1546                                 'label' => t('Events'),
1547                                 'url'   => $a->get_baseurl() . '/events',
1548                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1549                                 'title' => t('Events and Calendar'),
1550                         );
1551                         $tabs[] = array(
1552                                 'label' => t('Personal Notes'),
1553                                 'url'   => $a->get_baseurl() . '/notes',
1554                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1555                                 'title' => t('Only You Can See This'),
1556                         );
1557                 }
1558
1559
1560                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1561                 call_hooks('profile_tabs', $arr);
1562
1563                 $tpl = get_markup_template('common_tabs.tpl');
1564
1565                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1566         }
1567 }
1568
1569 function get_my_url() {
1570         if(x($_SESSION,'my_url'))
1571                 return $_SESSION['my_url'];
1572         return false;
1573 }
1574
1575 function zrl_init(&$a) {
1576         $tmp_str = get_my_url();
1577         if(validate_url($tmp_str)) {
1578                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1579                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1580                 call_hooks('zrl_init',$arr);
1581         }
1582 }
1583
1584 function zrl($s,$force = false) {
1585         if(! strlen($s))
1586                 return $s;
1587         if((! strpos($s,'/profile/')) && (! $force))
1588                 return $s;
1589         if($force && substr($s,-1,1) !== '/')
1590                 $s = $s . '/';
1591         $achar = strpos($s,'?') ? '&' : '?';
1592         $mine = get_my_url();
1593         if($mine and ! link_compare($mine,$s))
1594                 return $s . $achar . 'zrl=' . urlencode($mine);
1595         return $s;
1596 }
1597
1598 /**
1599 * returns querystring as string from a mapped array
1600 *
1601 * @param params Array
1602 * @return string
1603 */
1604 function build_querystring($params, $name=null) {
1605     $ret = "";
1606     foreach($params as $key=>$val) {
1607         if(is_array($val)) {
1608             if($name==null) {
1609                 $ret .= build_querystring($val, $key);
1610             } else {
1611                 $ret .= build_querystring($val, $name."[$key]");
1612             }
1613         } else {
1614             $val = urlencode($val);
1615             if($name!=null) {
1616                 $ret.=$name."[$key]"."=$val&";
1617             } else {
1618                 $ret.= "$key=$val&";
1619             }
1620         }
1621     }
1622     return $ret;
1623 }