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/pgettext.php');
   8 require_once('include/nav.php');
   9 require_once('include/cache.php');
  10
  11 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  12 define ( 'FRIENDICA_VERSION',      '2.3.1332' );
  13 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  14 define ( 'DB_UPDATE_VERSION',      1143      );
  15
  16 define ( 'EOL',                    "<br />\r\n"     );
  17 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  18
  19
  20 /**
  21  *
  22  * Image storage quality. Lower numbers save space at cost of image detail.
  23  * For ease of upgrade, please do not change here. Change jpeg quality with
  24  * $a->config['system']['jpeg_quality'] = n;
  25  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  26  * below about 50
  27  *
  28  */
  29
  30 define ( 'JPEG_QUALITY',            100  );
  31
  32 /**
  33  * SSL redirection policies
  34  */
  35
  36 define ( 'SSL_POLICY_NONE',         0 );
  37 define ( 'SSL_POLICY_FULL',         1 );
  38 define ( 'SSL_POLICY_SELFSIGN',     2 );
  39
  40
  41 /**
  42  * log levels
  43  */
  44
  45 define ( 'LOGGER_NORMAL',          0 );
  46 define ( 'LOGGER_TRACE',           1 );
  47 define ( 'LOGGER_DEBUG',           2 );
  48 define ( 'LOGGER_DATA',            3 );
  49 define ( 'LOGGER_ALL',             4 );
  50
  51 /**
  52  * registration policies
  53  */
  54
  55 define ( 'REGISTER_CLOSED',        0 );
  56 define ( 'REGISTER_APPROVE',       1 );
  57 define ( 'REGISTER_OPEN',          2 );
  58
  59 /**
  60  * relationship types
  61  */
  62
  63 define ( 'CONTACT_IS_FOLLOWER', 1);
  64 define ( 'CONTACT_IS_SHARING',  2);
  65 define ( 'CONTACT_IS_FRIEND',   3);
  66
  67
  68 /**
  69  * Hook array order
  70  */
  71
  72 define ( 'HOOK_HOOK',      0);
  73 define ( 'HOOK_FILE',      1);
  74 define ( 'HOOK_FUNCTION',  2);
  75
  76 /**
  77  * DB update return values
  78  */
  79
  80 define ( 'UPDATE_SUCCESS', 0);
  81 define ( 'UPDATE_FAILED',  1);
  82
  83
  84 /**
  85  *
  86  * page/profile types
  87  *
  88  * PAGE_NORMAL is a typical personal profile account
  89  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
  90  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
  91  *      write access to wall and comments (no email and not included in page owner's ACL lists)
  92  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
  93  *
  94  */
  95
  96 define ( 'PAGE_NORMAL',            0 );
  97 define ( 'PAGE_SOAPBOX',           1 );
  98 define ( 'PAGE_COMMUNITY',         2 );
  99 define ( 'PAGE_FREELOVE',          3 );
 100 define ( 'PAGE_BLOG',              4 );
 101 define ( 'PAGE_PRVGROUP',          5 );
 102
 103 /**
 104  * Network and protocol family types
 105  */
 106
 107 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 108 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 109 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 110 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 111 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 112 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 113 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 114 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 115 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 116 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 117 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 118 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 119
 120 /**
 121  * These numbers are used in stored permissions
 122  * and existing allocations MUST NEVER BE CHANGED
 123  * OR RE-ASSIGNED! You may only add to them.
 124  */
 125
 126 $netgroup_ids = array(
 127         NETWORK_DFRN     => (-1),
 128         NETWORK_ZOT      => (-2),
 129         NETWORK_OSTATUS  => (-3),
 130         NETWORK_FEED     => (-4),
 131         NETWORK_DIASPORA => (-5),
 132         NETWORK_MAIL     => (-6),
 133         NETWORK_MAIL2    => (-7),
 134         NETWORK_FACEBOOK => (-8),
 135         NETWORK_LINKEDIN => (-9),
 136         NETWORK_XMPP     => (-10),
 137         NETWORK_MYSPACE  => (-11),
 138         NETWORK_GPLUS    => (-12),
 139 );
 140
 141
 142 /**
 143  * Maximum number of "people who like (or don't like) this"  that we will list by name
 144  */
 145
 146 define ( 'MAX_LIKERS',    75);
 147
 148 /**
 149  * Communication timeout
 150  */
 151
 152 define ( 'ZCURL_TIMEOUT' , (-1));
 153
 154
 155 /**
 156  * email notification options
 157  */
 158
 159 define ( 'NOTIFY_INTRO',    0x0001 );
 160 define ( 'NOTIFY_CONFIRM',  0x0002 );
 161 define ( 'NOTIFY_WALL',     0x0004 );
 162 define ( 'NOTIFY_COMMENT',  0x0008 );
 163 define ( 'NOTIFY_MAIL',     0x0010 );
 164 define ( 'NOTIFY_SUGGEST',  0x0020 );
 165 define ( 'NOTIFY_PROFILE',  0x0040 );
 166 define ( 'NOTIFY_TAGSELF',  0x0080 );
 167 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 168
 169 define ( 'NOTIFY_SYSTEM',   0x8000 );
 170
 171
 172 /**
 173  * various namespaces we may need to parse
 174  */
 175
 176 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 177 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 178 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 179 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 180 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 181 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 182 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 183 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 184 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 185 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 186 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 187 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 188 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 189 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 190 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 191 /**
 192  * activity stream defines
 193  */
 194
 195 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 196 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 197 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 198
 199 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 200 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 201 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 202 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 203 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 204 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 205
 206 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 207 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 208 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 209 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 210
 211 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 212 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 213 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 214 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 215 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 216 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 217 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 218 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 219 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 220 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 221
 222 /**
 223  * item weight for query ordering
 224  */
 225
 226 define ( 'GRAVITY_PARENT',       0);
 227 define ( 'GRAVITY_LIKE',         3);
 228 define ( 'GRAVITY_COMMENT',      6);
 229
 230 /**
 231  *
 232  * Reverse the effect of magic_quotes_gpc if it is enabled.
 233  * Please disable magic_quotes_gpc so we don't have to do this.
 234  * See http://php.net/manual/en/security.magicquotes.disabling.php
 235  *
 236  */
 237
 238 function startup() {
 239         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 240         set_time_limit(0);
 241
 242         // This has to be quite large to deal with embedded private photos
 243         ini_set('pcre.backtrack_limit', 500000);
 244
 245
 246         if (get_magic_quotes_gpc()) {
 247                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 248                 while (list($key, $val) = each($process)) {
 249                         foreach ($val as $k => $v) {
 250                                 unset($process[$key][$k]);
 251                                 if (is_array($v)) {
 252                                         $process[$key][stripslashes($k)] = $v;
 253                                         $process[] = &$process[$key][stripslashes($k)];
 254                                 } else {
 255                                         $process[$key][stripslashes($k)] = stripslashes($v);
 256                                 }
 257                         }
 258                 }
 259                 unset($process);
 260         }
 261
 262 }
 263
 264 /**
 265  *
 266  * class: App
 267  *
 268  * Our main application structure for the life of this page
 269  * Primarily deals with the URL that got us here
 270  * and tries to make some sense of it, and
 271  * stores our page contents and config storage
 272  * and anything else that might need to be passed around
 273  * before we spit the page out.
 274  *
 275  */
 276
 277 if(! class_exists('App')) {
 278         class App {
 279
 280                 public  $module_loaded = false;
 281                 public  $query_string;
 282                 public  $config;
 283                 public  $page;
 284                 public  $profile;
 285                 public  $user;
 286                 public  $cid;
 287                 public  $contact;
 288                 public  $contacts;
 289                 public  $page_contact;
 290                 public  $content;
 291                 public  $data = array();
 292                 public  $error = false;
 293                 public  $cmd;
 294                 public  $argv;
 295                 public  $argc;
 296                 public  $module;
 297                 public  $pager;
 298                 public  $strings;
 299                 public  $path;
 300                 public  $hooks;
 301                 public  $timezone;
 302                 public  $interactive = true;
 303                 public  $plugins;
 304                 public  $apps = array();
 305                 public  $identities;
 306
 307                 public $nav_sel;
 308
 309                 public $category;
 310
 311                 private $scheme;
 312                 private $hostname;
 313                 private $baseurl;
 314                 private $db;
 315
 316                 private $curl_code;
 317                 private $curl_headers;
 318
 319                 function __construct() {
 320
 321                         $this->config = array();
 322                         $this->page = array();
 323                         $this->pager= array();
 324
 325                         $this->query_string = '';
 326
 327                         startup();
 328
 329                         $this->scheme = 'http';
 330                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 331                                 $this->scheme = 'https';
 332                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 333                         $this->scheme = 'https';
 334
 335
 336                         if(x($_SERVER,'SERVER_NAME')) {
 337                                 $this->hostname = $_SERVER['SERVER_NAME'];
 338                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 339                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 340                                 /**
 341                                  * Figure out if we are running at the top of a domain
 342                                  * or in a sub-directory and adjust accordingly
 343                                  */
 344
 345                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 346                                 if(isset($path) && strlen($path) && ($path != $this->path))
 347                                         $this->path = $path;
 348                         }
 349
 350                         set_include_path(
 351                                         "include/$this->hostname" . PATH_SEPARATOR
 352                                         . 'include' . PATH_SEPARATOR
 353                                         . 'library' . PATH_SEPARATOR
 354                                         . 'library/phpsec' . PATH_SEPARATOR
 355                                         . '.' );
 356
 357                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 358                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 359                                 // removing trailing / - maybe a nginx problem
 360                                 if (substr($this->query_string, 0, 1) == "/")
 361                                         $this->query_string = substr($this->query_string, 1);
 362                         }
 363                         if(x($_GET,'q'))
 364                                 $this->cmd = trim($_GET['q'],'/\\');
 365
 366                         // unix style "homedir"
 367
 368                         if(substr($this->cmd,0,1) === '~')
 369                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 370
 371                         // Diaspora style profile url
 372
 373                         if(substr($this->cmd,0,2) === 'u/')
 374                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 375
 376                         /**
 377                          *
 378                          * Break the URL path into C style argc/argv style arguments for our
 379                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 380                          * will be 3 (integer) and $this->argv will contain:
 381                          *   [0] => 'module'
 382                          *   [1] => 'arg1'
 383                          *   [2] => 'arg2'
 384                          *
 385                          *
 386                          * There will always be one argument. If provided a naked domain
 387                          * URL, $this->argv[0] is set to "home".
 388                          *
 389                          */
 390
 391                         $this->argv = explode('/',$this->cmd);
 392                         $this->argc = count($this->argv);
 393                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 394                                 $this->module = str_replace(".", "_", $this->argv[0]);
 395                                 if(array_key_exists('2',$this->argv)) {
 396                                         $this->category = $this->argv[2];
 397                                 }
 398                         }
 399                         else {
 400                                 $this->argc = 1;
 401                                 $this->argv = array('home');
 402                                 $this->module = 'home';
 403                         }
 404
 405                         /**
 406                          * Special handling for the webfinger/lrdd host XRD file
 407                          */
 408
 409                         if($this->cmd === '.well-known/host-meta') {
 410                                 $this->argc = 1;
 411                                 $this->argv = array('hostxrd');
 412                                 $this->module = 'hostxrd';
 413                         }
 414
 415                         /**
 416                          * See if there is any page number information, and initialise
 417                          * pagination
 418                          */
 419
 420                         $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 421                         $this->pager['itemspage'] = 50;
 422                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 423                         $this->pager['total'] = 0;
 424                 }
 425
 426                 function get_baseurl($ssl = false) {
 427
 428                         $scheme = $this->scheme;
 429
 430                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 431                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 432                                         $scheme = 'https';
 433
 434                                 //                      We need to populate the $ssl flag across the entire program before turning this on.
 435                                 //                      Basically, we'll have $ssl = true on any links which can only be seen by a logged in user
 436                                 //                      (and also the login link). Anything seen by an outsider will have it turned off.
 437                                 //                      At present, setting SSL_POLICY_SELFSIGN will only force remote contacts to update their
 438                                 //                      contact links to this site with "http:" if they are currently using "https:"
 439
 440                                 //                      if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 441                                 //                              if($ssl)
 442                                 //                                      $scheme = 'https';
 443                                 //                              else
 444                                 //                                      $scheme = 'http';
 445                                         //                      }
 446                 }
 447
 448                                 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 449                                 return $this->baseurl;
 450                 }
 451
 452                 function set_baseurl($url) {
 453                         $parsed = @parse_url($url);
 454
 455                         $this->baseurl = $url;
 456
 457                         if($parsed) {
 458                                 $this->scheme = $parsed['scheme'];
 459
 460                                 $this->hostname = $parsed['host'];
 461                                 if(x($parsed,'port'))
 462                                         $this->hostname .= ':' . $parsed['port'];
 463                                 if(x($parsed,'path'))
 464                                         $this->path = trim($parsed['path'],'\\/');
 465                         }
 466
 467                 }
 468
 469                 function get_hostname() {
 470                         return $this->hostname;
 471                 }
 472
 473                 function set_hostname($h) {
 474                         $this->hostname = $h;
 475                 }
 476
 477                 function set_path($p) {
 478                         $this->path = trim(trim($p),'/');
 479                 }
 480
 481                 function get_path() {
 482                         return $this->path;
 483                 }
 484
 485                 function set_pager_total($n) {
 486                         $this->pager['total'] = intval($n);
 487                 }
 488
 489                 function set_pager_itemspage($n) {
 490                         $this->pager['itemspage'] = intval($n);
 491                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 492
 493                 }
 494
 495                 function init_pagehead() {
 496                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 497                         if($interval < 10000)
 498                                 $interval = 40000;
 499
 500                         $this->page['title'] = $this->config['sitename'];
 501                         $tpl = file_get_contents('view/head.tpl');
 502                         $this->page['htmlhead'] = replace_macros($tpl,array(
 503                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 504                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 505                                 '$delitem' => t('Delete this item?'),
 506                                 '$comment' => t('Comment'),
 507                                 '$showmore' => t('show more'),
 508                                 '$showfewer' => t('show fewer'),
 509                                 '$update_interval' => $interval
 510                         ));
 511                 }
 512
 513                 function set_curl_code($code) {
 514                         $this->curl_code = $code;
 515                 }
 516
 517                 function get_curl_code() {
 518                         return $this->curl_code;
 519                 }
 520
 521                 function set_curl_headers($headers) {
 522                         $this->curl_headers = $headers;
 523                 }
 524
 525                 function get_curl_headers() {
 526                         return $this->curl_headers;
 527                 }
 528
 529
 530         }
 531 }
 532
 533 // retrieve the App structure
 534 // useful in functions which require it but don't get it passed to them
 535
 536 if(! function_exists('get_app')) {
 537         function get_app() {
 538                 global $a;
 539                 return $a;
 540         }
 541 };
 542
 543
 544 // Multi-purpose function to check variable state.
 545 // Usage: x($var) or $x($array,'key')
 546 // returns false if variable/key is not set
 547 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 548 // e.g. x('') or x(0) returns 0;
 549
 550 if(! function_exists('x')) {
 551         function x($s,$k = NULL) {
 552                 if($k != NULL) {
 553                         if((is_array($s)) && (array_key_exists($k,$s))) {
 554                                 if($s[$k])
 555                                         return (int) 1;
 556                                 return (int) 0;
 557                 }
 558                         return false;
 559                 }
 560                 else {
 561                         if(isset($s)) {
 562                                 if($s) {
 563                                         return (int) 1;
 564                                 }
 565                                 return (int) 0;
 566                         }
 567                         return false;
 568                 }
 569         }
 570 }
 571
 572 // called from db initialisation if db is dead.
 573
 574 if(! function_exists('system_unavailable')) {
 575         function system_unavailable() {
 576                 include('system_unavailable.php');
 577                 system_down();
 578                 killme();
 579         }
 580 }
 581
 582
 583
 584 function clean_urls() {
 585         global $a;
 586         //      if($a->config['system']['clean_urls'])
 587         return true;
 588         //      return false;
 589 }
 590
 591 function z_path() {
 592         global $a;
 593         $base = $a->get_baseurl();
 594         if(! clean_urls())
 595                 $base .= '/?q=';
 596         return $base;
 597 }
 598
 599 function z_root() {
 600         global $a;
 601         return $a->get_baseurl();
 602 }
 603
 604 function absurl($path) {
 605         if(strpos($path,'/') === 0)
 606                 return z_path() . $path;
 607         return $path;
 608 }
 609
 610 function is_ajax() {
 611         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 612 }
 613
 614
 615 // Primarily involved with database upgrade, but also sets the
 616 // base url for use in cmdline programs which don't have
 617 // $_SERVER variables, and synchronising the state of installed plugins.
 618
 619
 620 if(! function_exists('check_config')) {
 621         function check_config(&$a) {
 622
 623                 $build = get_config('system','build');
 624                 if(! x($build))
 625                         $build = set_config('system','build',DB_UPDATE_VERSION);
 626
 627                 $url = get_config('system','url');
 628
 629                 // if the url isn't set or the stored url is radically different
 630                 // than the currently visited url, store the current value accordingly.
 631                 // "Radically different" ignores common variations such as http vs https
 632                 // and www.example.com vs example.com.
 633
 634                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 635                         $url = set_config('system','url',$a->get_baseurl());
 636
 637                 if($build != DB_UPDATE_VERSION) {
 638                         $stored = intval($build);
 639                         $current = intval(DB_UPDATE_VERSION);
 640                         if(($stored < $current) && file_exists('update.php')) {
 641
 642                                 load_config('database');
 643
 644                                 // We're reporting a different version than what is currently installed.
 645                                 // Run any existing update scripts to bring the database up to current.
 646
 647                                 require_once('update.php');
 648
 649                                 // make sure that boot.php and update.php are the same release, we might be
 650                                 // updating right this very second and the correct version of the update.php
 651                                 // file may not be here yet. This can happen on a very busy site.
 652
 653                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 654
 655                                         for($x = $stored; $x < $current; $x ++) {
 656                                                 if(function_exists('update_' . $x)) {
 657
 658                                                         // There could be a lot of processes running or about to run.
 659                                                         // We want exactly one process to run the update command.
 660                                                         // So store the fact that we're taking responsibility
 661                                                         // after first checking to see if somebody else already has.
 662
 663                                                         // If the update fails or times-out completely you may need to
 664                                                         // delete the config entry to try again.
 665
 666                                                         if(get_config('database','update_' . $x))
 667                                                                 break;
 668                                                         set_config('database','update_' . $x, '1');
 669
 670                                                         // call the specific update
 671
 672                                                         $func = 'update_' . $x;
 673                                                         $retval = $func();
 674                                                         if($retval) {
 675                                                                 //send the administrator an e-mail
 676                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 677                                                                 $email_msg = replace_macros($email_tpl, array(
 678                                                                         '$sitename' => $a->config['sitename'],
 679                                                                         '$siteurl' =>  $a->get_baseurl(),
 680                                                                         '$update' => $x,
 681                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 682                                                                 ));
 683                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 684
 685                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 686                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 687                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 688                                                                         . 'Content-transfer-encoding: 8bit' );
 689                                                                 //try the logger
 690                                                                 logger('CRITICAL: Update Failed: '. $x);
 691                                                         }
 692                                                         else
 693                                                                 set_config('database','update_' . $x, 'success');
 694
 695                                                 }
 696                                         }
 697                                         set_config('system','build', DB_UPDATE_VERSION);
 698                                 }
 699                         }
 700                 }
 701
 702                 /**
 703                  *
 704                  * Synchronise plugins:
 705                  *
 706                  * $a->config['system']['addon'] contains a comma-separated list of names
 707                  * of plugins/addons which are used on this system.
 708                  * Go through the database list of already installed addons, and if we have
 709                  * an entry, but it isn't in the config list, call the uninstall procedure
 710                  * and mark it uninstalled in the database (for now we'll remove it).
 711                  * Then go through the config list and if we have a plugin that isn't installed,
 712                  * call the install procedure and add it to the database.
 713                  *
 714                  */
 715
 716                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 717                 if(count($r))
 718                         $installed = $r;
 719                 else
 720                         $installed = array();
 721
 722                 $plugins = get_config('system','addon');
 723                 $plugins_arr = array();
 724
 725                 if($plugins)
 726                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 727
 728                 $a->plugins = $plugins_arr;
 729
 730                 $installed_arr = array();
 731
 732                 if(count($installed)) {
 733                         foreach($installed as $i) {
 734                                 if(! in_array($i['name'],$plugins_arr)) {
 735                                         uninstall_plugin($i['name']);
 736                                 }
 737                                 else {
 738                                         $installed_arr[] = $i['name'];
 739                                 }
 740                         }
 741                 }
 742
 743                 if(count($plugins_arr)) {
 744                         foreach($plugins_arr as $p) {
 745                                 if(! in_array($p,$installed_arr)) {
 746                                         install_plugin($p);
 747                                 }
 748                         }
 749                 }
 750
 751
 752                 load_hooks();
 753
 754                 return;
 755         }
 756 }
 757
 758
 759 function get_guid($size=16) {
 760         $exists = true; // assume by default that we don't have a unique guid
 761         do {
 762                 $s = random_string($size);
 763                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 764                 if(! count($r))
 765                         $exists = false;
 766         } while($exists);
 767         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 768         return $s;
 769 }
 770
 771
 772 // wrapper for adding a login box. If $register == true provide a registration
 773 // link. This will most always depend on the value of $a->config['register_policy'].
 774 // returns the complete html for inserting into the page
 775
 776 if(! function_exists('login')) {
 777         function login($register = false, $hiddens=false) {
 778                 $a = get_app();
 779                 $o = "";
 780                 $reg = false;
 781                 if ($register) {
 782                         $reg = array(
 783                                 'title' => t('Create a New Account'),
 784                                 'desc' => t('Register')
 785                         );
 786                 }
 787
 788                 $noid = get_config('system','no_openid');
 789
 790                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 791
 792                 if(local_user()) {
 793                         $tpl = get_markup_template("logout.tpl");
 794                 }
 795                 else {
 796                         $tpl = get_markup_template("login.tpl");
 797                         $_SESSION['return_url'] = $a->query_string;
 798                 }
 799
 800
 801                 $o .= replace_macros($tpl,array(
 802
 803                         '$dest_url'     => $dest_url,
 804                         '$logout'       => t('Logout'),
 805                         '$login'        => t('Login'),
 806
 807                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 808                         '$lpassword'    => array('password', t('Password: '), '', ''),
 809
 810                         '$openid'               => !$noid,
 811                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 812
 813                         '$hiddens'      => $hiddens,
 814
 815                         '$register'     => $reg,
 816
 817                         '$lostpass'     => t('Forgot your password?'),
 818                         '$lostlink'     => t('Password Reset'),
 819                 ));
 820
 821                 call_hooks('login_hook',$o);
 822
 823                 return $o;
 824         }
 825 }
 826
 827 // Used to end the current process, after saving session state.
 828
 829 if(! function_exists('killme')) {
 830         function killme() {
 831                 session_write_close();
 832                 exit;
 833         }
 834 }
 835
 836 // redirect to another URL and terminate this process.
 837
 838 if(! function_exists('goaway')) {
 839         function goaway($s) {
 840                 header("Location: $s");
 841                 killme();
 842         }
 843 }
 844
 845
 846 // Returns the uid of locally logged in user or false.
 847
 848 if(! function_exists('local_user')) {
 849         function local_user() {
 850                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 851                         return intval($_SESSION['uid']);
 852                 return false;
 853         }
 854 }
 855
 856 // Returns contact id of authenticated site visitor or false
 857
 858 if(! function_exists('remote_user')) {
 859         function remote_user() {
 860                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 861                         return intval($_SESSION['visitor_id']);
 862                 return false;
 863         }
 864 }
 865
 866 // contents of $s are displayed prominently on the page the next time
 867 // a page is loaded. Usually used for errors or alerts.
 868
 869 if(! function_exists('notice')) {
 870         function notice($s) {
 871                 $a = get_app();
 872                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 873                 if($a->interactive)
 874                         $_SESSION['sysmsg'][] = $s;
 875         }
 876 }
 877 if(! function_exists('info')) {
 878         function info($s) {
 879                 $a = get_app();
 880                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 881                 if($a->interactive)
 882                         $_SESSION['sysmsg_info'][] = $s;
 883         }
 884 }
 885
 886
 887 // wrapper around config to limit the text length of an incoming message
 888
 889 if(! function_exists('get_max_import_size')) {
 890         function get_max_import_size() {
 891                 global $a;
 892                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 893         }
 894 }
 895
 896
 897
 898 /**
 899  *
 900  * Function : profile_load
 901  * @parameter App    $a
 902  * @parameter string $nickname
 903  * @parameter int    $profile
 904  *
 905  * Summary: Loads a profile into the page sidebar.
 906  * The function requires a writeable copy of the main App structure, and the nickname
 907  * of a registered local account.
 908  *
 909  * If the viewer is an authenticated remote viewer, the profile displayed is the
 910  * one that has been configured for his/her viewing in the Contact manager.
 911  * Passing a non-zero profile ID can also allow a preview of a selected profile
 912  * by the owner.
 913  *
 914  * Profile information is placed in the App structure for later retrieval.
 915  * Honours the owner's chosen theme for display.
 916  *
 917  */
 918
 919 if(! function_exists('profile_load')) {
 920         function profile_load(&$a, $nickname, $profile = 0) {
 921                 if(remote_user()) {
 922                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 923                                         intval($_SESSION['visitor_id']));
 924                         if(count($r))
 925                                 $profile = $r[0]['profile-id'];
 926                 }
 927
 928                 $r = null;
 929
 930                 if($profile) {
 931                         $profile_int = intval($profile);
 932                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 933                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 934                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 935                                         dbesc($nickname),
 936                                         intval($profile_int)
 937                         );
 938                 }
 939                 if((! $r) && (!  count($r))) {
 940                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 941                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 942                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 943                                         dbesc($nickname)
 944                         );
 945                 }
 946
 947                 if(($r === false) || (! count($r))) {
 948                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 949                         notice( t('Requested profile is not available.') . EOL );
 950                         $a->error = 404;
 951                         return;
 952                 }
 953
 954                 // fetch user tags if this isn't the default profile
 955
 956                 if(! $r[0]['is-default']) {
 957                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 958                                         intval($profile_uid)
 959                         );
 960                         if($x && count($x))
 961                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 962                 }
 963
 964                 $a->profile = $r[0];
 965
 966
 967                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 968                 $_SESSION['theme'] = $a->profile['theme'];
 969
 970                 /**
 971                  * load/reload current theme info
 972                  */
 973
 974                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
 975                 if (file_exists($theme_info_file)){
 976                         require_once($theme_info_file);
 977                 }
 978
 979                 if(! (x($a->page,'aside')))
 980                         $a->page['aside'] = '';
 981
 982                 if(local_user() && local_user() == $a->profile['uid']) {
 983                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
 984                                 '$editprofile' => t('Edit profile'),
 985                                 '$profid' => $a->profile['id']
 986                         ));
 987                 }
 988
 989                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
 990
 991                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
 992
 993                 /*if(! $block)
 994                  $a->page['aside'] .= contact_block();*/
 995
 996                 return;
 997         }
 998 }
 999
1000
1001 /**
1002  *
1003  * Function: profile_sidebar
1004  *
1005  * Formats a profile for display in the sidebar.
1006  * It is very difficult to templatise the HTML completely
1007  * because of all the conditional logic.
1008  *
1009  * @parameter: array $profile
1010  *
1011  * Returns HTML string stuitable for sidebar inclusion
1012  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1013  *
1014  */
1015
1016
1017 if(! function_exists('profile_sidebar')) {
1018         function profile_sidebar($profile, $block = 0) {
1019
1020                 $a = get_app();
1021
1022                 $o = '';
1023                 $location = false;
1024                 $address = false;
1025                 $pdesc = true;
1026
1027                 if((! is_array($profile)) && (! count($profile)))
1028                         return $o;
1029
1030                 $profile['picdate'] = urlencode($profile['picdate']);
1031
1032                 call_hooks('profile_sidebar_enter', $profile);
1033
1034
1035                 // don't show connect link to yourself
1036                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1037
1038                 // don't show connect link to authenticated visitors either
1039
1040                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1041                         $connect = False;
1042
1043                 if(get_my_url() && $profile['unkmail'])
1044                         $wallmessage = t('Message');
1045                 else
1046                         $wallmessage = false;
1047
1048
1049
1050                 // show edit profile to yourself
1051                 if ($profile['uid'] == local_user()) {
1052                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1053
1054                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1055                                         local_user());
1056
1057                         $profile['menu'] = array(
1058                                 'chg_photo' => t('Change profile photo'),
1059                                 'cr_new' => t('Create New Profile'),
1060                                 'entries' => array(),
1061                         );
1062
1063                         if(count($r)) {
1064
1065                                 foreach($r as $rr) {
1066                                         $profile['menu']['entries'][] = array(
1067                                                 'photo' => $rr['thumb'],
1068                                                 'id' => $rr['id'],
1069                                                 'alt' => t('Profile Image'),
1070                                                 'profile_name' => $rr['profile-name'],
1071                                                 'isdefault' => $rr['is-default'],
1072                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1073                                                 'edit_visibility' => t('Edit visibility'),
1074
1075                                         );
1076                                 }
1077
1078
1079                         }
1080
1081
1082                 }
1083
1084
1085
1086
1087                 if((x($profile,'address') == 1)
1088                                 || (x($profile,'locality') == 1)
1089                                 || (x($profile,'region') == 1)
1090                                 || (x($profile,'postal-code') == 1)
1091                                 || (x($profile,'country-name') == 1))
1092                         $location = t('Location:');
1093
1094                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1095
1096
1097                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1098
1099                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1100
1101                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1102                         $location = $pdesc = $gender = $marital = $homepage = False;
1103                 }
1104
1105                 $firstname = ((strpos($profile['name'],' '))
1106                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1107                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1108
1109                 $diaspora = array(
1110                         'podloc' => $a->get_baseurl(),
1111                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1112                         'nickname' => $profile['nickname'],
1113                         'fullname' => $profile['name'],
1114                         'firstname' => $firstname,
1115                         'lastname' => $lastname,
1116                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1117                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1118                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1119                 );
1120
1121                 if (!$block){
1122                         $contact_block = contact_block();
1123                 }
1124
1125
1126                 $tpl = get_markup_template('profile_vcard.tpl');
1127
1128                 $o .= replace_macros($tpl, array(
1129                         '$profile' => $profile,
1130                         '$connect'  => $connect,
1131                         '$wallmessage' => $wallmessage,
1132                         '$location' => template_escape($location),
1133                         '$gender'   => $gender,
1134                         '$pdesc'        => $pdesc,
1135                         '$marital'  => $marital,
1136                         '$homepage' => $homepage,
1137                         '$diaspora' => $diaspora,
1138                         '$contact_block' => $contact_block,
1139                 ));
1140
1141
1142                 $arr = array('profile' => &$profile, 'entry' => &$o);
1143
1144                 call_hooks('profile_sidebar', $arr);
1145
1146                 return $o;
1147         }
1148 }
1149
1150
1151 if(! function_exists('get_birthdays')) {
1152         function get_birthdays() {
1153
1154                 $a = get_app();
1155                 $o = '';
1156
1157                 if(! local_user())
1158                         return $o;
1159
1160                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1161                 $bd_short = t('F d');
1162
1163                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1164                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1165                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1166                                 ORDER BY `start` ASC ",
1167                                 intval(local_user()),
1168                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1169                                 dbesc(datetime_convert('UTC','UTC','now'))
1170                 );
1171
1172                 if($r && count($r)) {
1173                         $total = 0;
1174                         $now = strtotime('now');
1175                         $cids = array();
1176
1177                         $istoday = false;
1178                         foreach($r as $rr) {
1179                                 if(strlen($rr['name']))
1180                                         $total ++;
1181                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1182                                         $istoday = true;
1183                         }
1184                         $classtoday = $istoday ? ' birthday-today ' : '';
1185                         if($total) {
1186                                 foreach($r as &$rr) {
1187                                         if(! strlen($rr['name']))
1188                                                 continue;
1189
1190                                         // avoid duplicates
1191
1192                                         if(in_array($rr['cid'],$cids))
1193                                                 continue;
1194                                         $cids[] = $rr['cid'];
1195
1196                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1197                                         $sparkle = '';
1198                                         $url = $rr['url'];
1199                                         if($rr['network'] === NETWORK_DFRN) {
1200                                                 $sparkle = " sparkle";
1201                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1202                                         }
1203
1204                                         $rr['link'] = $url;
1205                                         $rr['title'] = $rr['name'];
1206                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1207                                         $rr['startime'] = Null;
1208                                         $rr['today'] = $today;
1209
1210                                 }
1211                         }
1212                 }
1213                 $tpl = get_markup_template("birthdays_reminder.tpl");
1214                 return replace_macros($tpl, array(
1215                         '$baseurl' => $a->get_baseurl(),
1216                         '$classtoday' => $classtoday,
1217                         '$count' => $total,
1218                         '$event_reminders' => t('Birthday Reminders'),
1219                         '$event_title' => t('Birthdays this week:'),
1220                         '$events' => $r,
1221                 ));
1222         }
1223 }
1224
1225
1226 if(! function_exists('get_events')) {
1227         function get_events() {
1228
1229                 require_once('include/bbcode.php');
1230
1231                 $a = get_app();
1232
1233                 if(! local_user())
1234                         return $o;
1235
1236                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1237                 $bd_short = t('F d');
1238
1239                 $r = q("SELECT `event`.* FROM `event`
1240                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1241                                 ORDER BY `start` ASC ",
1242                                 intval(local_user()),
1243                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1244                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1245                 );
1246
1247                 if($r && count($r)) {
1248                         $now = strtotime('now');
1249                         $istoday = false;
1250                         foreach($r as $rr) {
1251                                 if(strlen($rr['name']))
1252                                         $total ++;
1253
1254                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1255                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1256                                         $istoday = true;
1257                         }
1258                         $classtoday = (($istoday) ? 'event-today' : '');
1259
1260
1261                         foreach($r as &$rr) {
1262                                 if($rr['adjust'])
1263                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1264                                 else
1265                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1266                                 $md .= "/#link-".$rr['id'];
1267
1268                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1269                                 if(! $title)
1270                                         $title = t('[No description]');
1271
1272                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1273                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1274
1275                                 $rr['link'] = $md;
1276                                 $rr['title'] = $title;
1277                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1278                                 $rr['startime'] = $strt;
1279                                 $rr['today'] = $today;
1280                         }
1281                 }
1282
1283                 $tpl = get_markup_template("events_reminder.tpl");
1284                 return replace_macros($tpl, array(
1285                         '$baseurl' => $a->get_baseurl(),
1286                         '$classtoday' => $classtoday,
1287                         '$count' => count($r),
1288                         '$event_reminders' => t('Event Reminders'),
1289                         '$event_title' => t('Events this week:'),
1290                         '$events' => $r,
1291                 ));
1292         }
1293 }
1294
1295
1296 /**
1297  *
1298  * Wrap calls to proc_close(proc_open()) and call hook
1299  * so plugins can take part in process :)
1300  *
1301  * args:
1302  * $cmd program to run
1303  *  next args are passed as $cmd command line
1304  *
1305  * e.g.: proc_run("ls","-la","/tmp");
1306  *
1307  * $cmd and string args are surrounded with ""
1308  */
1309
1310 if(! function_exists('proc_run')) {
1311         function proc_run($cmd){
1312
1313                 $a = get_app();
1314
1315                 $args = func_get_args();
1316                 $arr = array('args' => $args, 'run_cmd' => true);
1317
1318                 call_hooks("proc_run", $arr);
1319                 if(! $arr['run_cmd'])
1320                         return;
1321
1322                 if(count($args) && $args[0] === 'php')
1323                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1324                 foreach ($args as $arg){
1325                         $arg = escapeshellarg($arg);
1326                 }
1327                 $cmdline = implode($args," ");
1328                 proc_close(proc_open($cmdline." &",array(),$foo));
1329         }
1330 }
1331
1332 if(! function_exists('current_theme')) {
1333         function current_theme(){
1334                 $app_base_themes = array('duepuntozero', 'loozah');
1335
1336                 $a = get_app();
1337
1338                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1339                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1340
1341                 if($theme_name &&
1342                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1343                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1344                         return($theme_name);
1345
1346                 foreach($app_base_themes as $t) {
1347                         if(file_exists('view/theme/' . $t . '/style.css')||
1348                                         file_exists('view/theme/' . $t . '/style.php'))
1349                                 return($t);
1350                 }
1351
1352                 $fallback = glob('view/theme/*/style.[css|php]');
1353                 if(count($fallback))
1354                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1355
1356         }
1357 }
1358
1359 /*
1360  * Return full URL to theme which is currently in effect.
1361 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1362 */
1363 if(! function_exists('current_theme_url')) {
1364         function current_theme_url() {
1365                 global $a;
1366                 $t = current_theme();
1367                 if (file_exists('view/theme/' . $t . '/style.php'))
1368                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1369                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1370         }
1371 }
1372
1373 if(! function_exists('feed_birthday')) {
1374         function feed_birthday($uid,$tz) {
1375
1376                 /**
1377                  *
1378                  * Determine the next birthday, but only if the birthday is published
1379                  * in the default profile. We _could_ also look for a private profile that the
1380                  * recipient can see, but somebody could get mad at us if they start getting
1381                  * public birthday greetings when they haven't made this info public.
1382                  *
1383                  * Assuming we are able to publish this info, we are then going to convert
1384                  * the start time from the owner's timezone to UTC.
1385                  *
1386                  * This will potentially solve the problem found with some social networks
1387                  * where birthdays are converted to the viewer's timezone and salutations from
1388                  * elsewhere in the world show up on the wrong day. We will convert it to the
1389                  * viewer's timezone also, but first we are going to convert it from the birthday
1390                  * person's timezone to GMT - so the viewer may find the birthday starting at
1391                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1392                  *
1393                  */
1394
1395
1396                 $birthday = '';
1397
1398                 if(! strlen($tz))
1399                         $tz = 'UTC';
1400
1401                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1402                                 intval($uid)
1403                 );
1404
1405                 if($p && count($p)) {
1406                         $tmp_dob = substr($p[0]['dob'],5);
1407                         if(intval($tmp_dob)) {
1408                                 $y = datetime_convert($tz,$tz,'now','Y');
1409                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1410                                 $t_dob = strtotime($bd);
1411                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1412                                 if($t_dob < $now)
1413                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1414                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1415                         }
1416                 }
1417
1418                 return $birthday;
1419         }
1420 }
1421
1422 if(! function_exists('is_site_admin')) {
1423         function is_site_admin() {
1424                 $a = get_app();
1425                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1426                         return true;
1427                 return false;
1428         }
1429 }
1430
1431
1432 if(! function_exists('load_contact_links')) {
1433         function load_contact_links($uid) {
1434
1435                 $a = get_app();
1436
1437                 $ret = array();
1438
1439                 if(! $uid || x($a->contacts,'empty'))
1440                         return;
1441
1442                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1443                                 intval($uid)
1444                 );
1445                 if(count($r)) {
1446                         foreach($r as $rr){
1447                                 $url = normalise_link($rr['url']);
1448                                 $ret[$url] = $rr;
1449                         }
1450                 }
1451                 else
1452                         $ret['empty'] = true;
1453                 $a->contacts = $ret;
1454                 return;
1455         }
1456 }
1457
1458 if(! function_exists('profile_tabs')){
1459         function profile_tabs($a, $is_owner=False, $nickname=Null){
1460                 //echo "<pre>"; var_dump($a->user); killme();
1461
1462                 if (is_null($nickname))
1463                         $nickname  = $a->user['nickname'];
1464
1465                 if(x($_GET,'tab'))
1466                         $tab = notags(trim($_GET['tab']));
1467
1468                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1469
1470                 $tabs = array(
1471                         array(
1472                                 'label'=>t('Status'),
1473                                 'url' => $url,
1474                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1475                                 'title' => t('Status Messages and Posts'),
1476                         ),
1477                         array(
1478                                 'label' => t('Profile'),
1479                                 'url'   => $url.'/?tab=profile',
1480                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1481                                 'title' => t('Profile Details'),
1482                         ),
1483                         array(
1484                                 'label' => t('Photos'),
1485                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1486                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1487                                 'title' => t('Photo Albums'),
1488                         ),
1489                 );
1490
1491                 if ($is_owner){
1492                         $tabs[] = array(
1493                                 'label' => t('Events'),
1494                                 'url'   => $a->get_baseurl() . '/events',
1495                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1496                                 'title' => t('Events and Calendar'),
1497                         );
1498                         $tabs[] = array(
1499                                 'label' => t('Personal Notes'),
1500                                 'url'   => $a->get_baseurl() . '/notes',
1501                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1502                                 'title' => t('Only You Can See This'),
1503                         );
1504                 }
1505
1506
1507                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1508                 call_hooks('profile_tabs', $arr);
1509
1510                 $tpl = get_markup_template('common_tabs.tpl');
1511
1512                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1513         }
1514 }
1515
1516 function get_my_url() {
1517         if(x($_SESSION,'my_url'))
1518                 return $_SESSION['my_url'];
1519         return false;
1520 }
1521
1522 function zrl_init(&$a) {
1523         $tmp_str = get_my_url();
1524         if(validate_url($tmp_str)) {
1525                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1526                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1527                 call_hooks('zrl_init',$arr);
1528         }
1529 }
1530
1531 function zrl($s,$force = false) {
1532         if(! strlen($s))
1533                 return $s;
1534         if((! strpos($s,'/profile/')) && (! $force))
1535                 return $s;
1536         if($force && substr($s,-1,1) !== '/')
1537                 $s = $s . '/';
1538         $achar = strpos($s,'?') ? '&' : '?';
1539         $mine = get_my_url();
1540         if($mine and ! link_compare($mine,$s))
1541                 return $s . $achar . 'zrl=' . urlencode($mine);
1542         return $s;
1543 }