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',      '3.0.1351' );
  13 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  14 define ( 'DB_UPDATE_VERSION',      1144      );
  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  * Not yet used
  34  */
  35
  36 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  37
  38 /**
  39  * SSL redirection policies
  40  */
  41
  42 define ( 'SSL_POLICY_NONE',         0 );
  43 define ( 'SSL_POLICY_FULL',         1 );
  44 define ( 'SSL_POLICY_SELFSIGN',     2 );
  45
  46
  47 /**
  48  * log levels
  49  */
  50
  51 define ( 'LOGGER_NORMAL',          0 );
  52 define ( 'LOGGER_TRACE',           1 );
  53 define ( 'LOGGER_DEBUG',           2 );
  54 define ( 'LOGGER_DATA',            3 );
  55 define ( 'LOGGER_ALL',             4 );
  56
  57 /**
  58  * registration policies
  59  */
  60
  61 define ( 'REGISTER_CLOSED',        0 );
  62 define ( 'REGISTER_APPROVE',       1 );
  63 define ( 'REGISTER_OPEN',          2 );
  64
  65 /**
  66  * relationship types
  67  */
  68
  69 define ( 'CONTACT_IS_FOLLOWER', 1);
  70 define ( 'CONTACT_IS_SHARING',  2);
  71 define ( 'CONTACT_IS_FRIEND',   3);
  72
  73
  74 /**
  75  * Hook array order
  76  */
  77
  78 define ( 'HOOK_HOOK',      0);
  79 define ( 'HOOK_FILE',      1);
  80 define ( 'HOOK_FUNCTION',  2);
  81
  82 /**
  83  * DB update return values
  84  */
  85
  86 define ( 'UPDATE_SUCCESS', 0);
  87 define ( 'UPDATE_FAILED',  1);
  88
  89
  90 /**
  91  *
  92  * page/profile types
  93  *
  94  * PAGE_NORMAL is a typical personal profile account
  95  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
  96  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
  97  *      write access to wall and comments (no email and not included in page owner's ACL lists)
  98  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
  99  *
 100  */
 101
 102 define ( 'PAGE_NORMAL',            0 );
 103 define ( 'PAGE_SOAPBOX',           1 );
 104 define ( 'PAGE_COMMUNITY',         2 );
 105 define ( 'PAGE_FREELOVE',          3 );
 106 define ( 'PAGE_BLOG',              4 );
 107 define ( 'PAGE_PRVGROUP',          5 );
 108
 109 /**
 110  * Network and protocol family types
 111  */
 112
 113 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 114 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 115 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 116 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 117 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 118 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 119 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 120 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 121 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 122 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 123 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 124 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 125
 126 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 127
 128 /**
 129  * These numbers are used in stored permissions
 130  * and existing allocations MUST NEVER BE CHANGED
 131  * OR RE-ASSIGNED! You may only add to them.
 132  */
 133
 134 $netgroup_ids = array(
 135         NETWORK_DFRN     => (-1),
 136         NETWORK_ZOT      => (-2),
 137         NETWORK_OSTATUS  => (-3),
 138         NETWORK_FEED     => (-4),
 139         NETWORK_DIASPORA => (-5),
 140         NETWORK_MAIL     => (-6),
 141         NETWORK_MAIL2    => (-7),
 142         NETWORK_FACEBOOK => (-8),
 143         NETWORK_LINKEDIN => (-9),
 144         NETWORK_XMPP     => (-10),
 145         NETWORK_MYSPACE  => (-11),
 146         NETWORK_GPLUS    => (-12),
 147
 148         NETWORK_PHANTOM  => (-127),
 149 );
 150
 151
 152 /**
 153  * Maximum number of "people who like (or don't like) this"  that we will list by name
 154  */
 155
 156 define ( 'MAX_LIKERS',    75);
 157
 158 /**
 159  * Communication timeout
 160  */
 161
 162 define ( 'ZCURL_TIMEOUT' , (-1));
 163
 164
 165 /**
 166  * email notification options
 167  */
 168
 169 define ( 'NOTIFY_INTRO',    0x0001 );
 170 define ( 'NOTIFY_CONFIRM',  0x0002 );
 171 define ( 'NOTIFY_WALL',     0x0004 );
 172 define ( 'NOTIFY_COMMENT',  0x0008 );
 173 define ( 'NOTIFY_MAIL',     0x0010 );
 174 define ( 'NOTIFY_SUGGEST',  0x0020 );
 175 define ( 'NOTIFY_PROFILE',  0x0040 );
 176 define ( 'NOTIFY_TAGSELF',  0x0080 );
 177 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 178
 179 define ( 'NOTIFY_SYSTEM',   0x8000 );
 180
 181
 182 /**
 183  * various namespaces we may need to parse
 184  */
 185
 186 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 187 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 188 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 189 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 190 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 191 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 192 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 193 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 194 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 195 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 196 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 197 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 198 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 199 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 200 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 201 /**
 202  * activity stream defines
 203  */
 204
 205 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 206 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 207 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 208
 209 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 210 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 211 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 212 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 213 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 214 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 215
 216 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 217 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 218 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 219 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 220
 221 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 222 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 223 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 224 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 225 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 226 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 227 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 228 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 229 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 230 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 231
 232 /**
 233  * item weight for query ordering
 234  */
 235
 236 define ( 'GRAVITY_PARENT',       0);
 237 define ( 'GRAVITY_LIKE',         3);
 238 define ( 'GRAVITY_COMMENT',      6);
 239
 240 /**
 241  *
 242  * Reverse the effect of magic_quotes_gpc if it is enabled.
 243  * Please disable magic_quotes_gpc so we don't have to do this.
 244  * See http://php.net/manual/en/security.magicquotes.disabling.php
 245  *
 246  */
 247
 248 function startup() {
 249         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 250         set_time_limit(0);
 251
 252         // This has to be quite large to deal with embedded private photos
 253         ini_set('pcre.backtrack_limit', 500000);
 254
 255
 256         if (get_magic_quotes_gpc()) {
 257                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 258                 while (list($key, $val) = each($process)) {
 259                         foreach ($val as $k => $v) {
 260                                 unset($process[$key][$k]);
 261                                 if (is_array($v)) {
 262                                         $process[$key][stripslashes($k)] = $v;
 263                                         $process[] = &$process[$key][stripslashes($k)];
 264                                 } else {
 265                                         $process[$key][stripslashes($k)] = stripslashes($v);
 266                                 }
 267                         }
 268                 }
 269                 unset($process);
 270         }
 271
 272 }
 273
 274 /**
 275  *
 276  * class: App
 277  *
 278  * Our main application structure for the life of this page
 279  * Primarily deals with the URL that got us here
 280  * and tries to make some sense of it, and
 281  * stores our page contents and config storage
 282  * and anything else that might need to be passed around
 283  * before we spit the page out.
 284  *
 285  */
 286
 287 if(! class_exists('App')) {
 288         class App {
 289
 290                 public  $module_loaded = false;
 291                 public  $query_string;
 292                 public  $config;
 293                 public  $page;
 294                 public  $profile;
 295                 public  $user;
 296                 public  $cid;
 297                 public  $contact;
 298                 public  $contacts;
 299                 public  $page_contact;
 300                 public  $content;
 301                 public  $data = array();
 302                 public  $error = false;
 303                 public  $cmd;
 304                 public  $argv;
 305                 public  $argc;
 306                 public  $module;
 307                 public  $pager;
 308                 public  $strings;
 309                 public  $path;
 310                 public  $hooks;
 311                 public  $timezone;
 312                 public  $interactive = true;
 313                 public  $plugins;
 314                 public  $apps = array();
 315                 public  $identities;
 316
 317                 public $nav_sel;
 318
 319                 public $category;
 320
 321                 private $scheme;
 322                 private $hostname;
 323                 private $baseurl;
 324                 private $db;
 325
 326                 private $curl_code;
 327                 private $curl_headers;
 328
 329                 function __construct() {
 330
 331                         $this->config = array();
 332                         $this->page = array();
 333                         $this->pager= array();
 334
 335                         $this->query_string = '';
 336
 337                         startup();
 338
 339                         $this->scheme = 'http';
 340                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 341                                 $this->scheme = 'https';
 342                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 343                         $this->scheme = 'https';
 344
 345
 346                         if(x($_SERVER,'SERVER_NAME')) {
 347                                 $this->hostname = $_SERVER['SERVER_NAME'];
 348                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 349                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 350                                 /**
 351                                  * Figure out if we are running at the top of a domain
 352                                  * or in a sub-directory and adjust accordingly
 353                                  */
 354
 355                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 356                                 if(isset($path) && strlen($path) && ($path != $this->path))
 357                                         $this->path = $path;
 358                         }
 359
 360                         set_include_path(
 361                                         "include/$this->hostname" . PATH_SEPARATOR
 362                                         . 'include' . PATH_SEPARATOR
 363                                         . 'library' . PATH_SEPARATOR
 364                                         . 'library/phpsec' . PATH_SEPARATOR
 365                                         . '.' );
 366
 367                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 368                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 369                                 // removing trailing / - maybe a nginx problem
 370                                 if (substr($this->query_string, 0, 1) == "/")
 371                                         $this->query_string = substr($this->query_string, 1);
 372                         }
 373                         if(x($_GET,'q'))
 374                                 $this->cmd = trim($_GET['q'],'/\\');
 375
 376                         // unix style "homedir"
 377
 378                         if(substr($this->cmd,0,1) === '~')
 379                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 380
 381                         // Diaspora style profile url
 382
 383                         if(substr($this->cmd,0,2) === 'u/')
 384                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 385
 386                         /**
 387                          *
 388                          * Break the URL path into C style argc/argv style arguments for our
 389                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 390                          * will be 3 (integer) and $this->argv will contain:
 391                          *   [0] => 'module'
 392                          *   [1] => 'arg1'
 393                          *   [2] => 'arg2'
 394                          *
 395                          *
 396                          * There will always be one argument. If provided a naked domain
 397                          * URL, $this->argv[0] is set to "home".
 398                          *
 399                          */
 400
 401                         $this->argv = explode('/',$this->cmd);
 402                         $this->argc = count($this->argv);
 403                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 404                                 $this->module = str_replace(".", "_", $this->argv[0]);
 405                                 if(array_key_exists('2',$this->argv)) {
 406                                         $this->category = $this->argv[2];
 407                                 }
 408                         }
 409                         else {
 410                                 $this->argc = 1;
 411                                 $this->argv = array('home');
 412                                 $this->module = 'home';
 413                         }
 414
 415                         /**
 416                          * Special handling for the webfinger/lrdd host XRD file
 417                          */
 418
 419                         if($this->cmd === '.well-known/host-meta') {
 420                                 $this->argc = 1;
 421                                 $this->argv = array('hostxrd');
 422                                 $this->module = 'hostxrd';
 423                         }
 424
 425                         /**
 426                          * See if there is any page number information, and initialise
 427                          * pagination
 428                          */
 429
 430                         $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 431                         $this->pager['itemspage'] = 50;
 432                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 433                         $this->pager['total'] = 0;
 434                 }
 435
 436                 function get_baseurl($ssl = false) {
 437
 438                         $scheme = $this->scheme;
 439
 440                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 441                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 442                                         $scheme = 'https';
 443
 444                                 //                      We need to populate the $ssl flag across the entire program before turning this on.
 445                                 //                      Basically, we'll have $ssl = true on any links which can only be seen by a logged in user
 446                                 //                      (and also the login link). Anything seen by an outsider will have it turned off.
 447                                 //                      At present, setting SSL_POLICY_SELFSIGN will only force remote contacts to update their
 448                                 //                      contact links to this site with "http:" if they are currently using "https:"
 449
 450                                 //                      if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 451                                 //                              if($ssl)
 452                                 //                                      $scheme = 'https';
 453                                 //                              else
 454                                 //                                      $scheme = 'http';
 455                                         //                      }
 456                 }
 457
 458                                 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 459                                 return $this->baseurl;
 460                 }
 461
 462                 function set_baseurl($url) {
 463                         $parsed = @parse_url($url);
 464
 465                         $this->baseurl = $url;
 466
 467                         if($parsed) {
 468                                 $this->scheme = $parsed['scheme'];
 469
 470                                 $this->hostname = $parsed['host'];
 471                                 if(x($parsed,'port'))
 472                                         $this->hostname .= ':' . $parsed['port'];
 473                                 if(x($parsed,'path'))
 474                                         $this->path = trim($parsed['path'],'\\/');
 475                         }
 476
 477                 }
 478
 479                 function get_hostname() {
 480                         return $this->hostname;
 481                 }
 482
 483                 function set_hostname($h) {
 484                         $this->hostname = $h;
 485                 }
 486
 487                 function set_path($p) {
 488                         $this->path = trim(trim($p),'/');
 489                 }
 490
 491                 function get_path() {
 492                         return $this->path;
 493                 }
 494
 495                 function set_pager_total($n) {
 496                         $this->pager['total'] = intval($n);
 497                 }
 498
 499                 function set_pager_itemspage($n) {
 500                         $this->pager['itemspage'] = intval($n);
 501                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 502
 503                 }
 504
 505                 function init_pagehead() {
 506                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 507                         if($interval < 10000)
 508                                 $interval = 40000;
 509
 510                         $this->page['title'] = $this->config['sitename'];
 511                         $tpl = file_get_contents('view/head.tpl');
 512                         $this->page['htmlhead'] = replace_macros($tpl,array(
 513                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 514                                 '$local_user' => local_user(),
 515                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 516                                 '$delitem' => t('Delete this item?'),
 517                                 '$comment' => t('Comment'),
 518                                 '$showmore' => t('show more'),
 519                                 '$showfewer' => t('show fewer'),
 520                                 '$update_interval' => $interval
 521                         ));
 522                 }
 523
 524                 function set_curl_code($code) {
 525                         $this->curl_code = $code;
 526                 }
 527
 528                 function get_curl_code() {
 529                         return $this->curl_code;
 530                 }
 531
 532                 function set_curl_headers($headers) {
 533                         $this->curl_headers = $headers;
 534                 }
 535
 536                 function get_curl_headers() {
 537                         return $this->curl_headers;
 538                 }
 539
 540
 541         }
 542 }
 543
 544 // retrieve the App structure
 545 // useful in functions which require it but don't get it passed to them
 546
 547 if(! function_exists('get_app')) {
 548         function get_app() {
 549                 global $a;
 550                 return $a;
 551         }
 552 };
 553
 554
 555 // Multi-purpose function to check variable state.
 556 // Usage: x($var) or $x($array,'key')
 557 // returns false if variable/key is not set
 558 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 559 // e.g. x('') or x(0) returns 0;
 560
 561 if(! function_exists('x')) {
 562         function x($s,$k = NULL) {
 563                 if($k != NULL) {
 564                         if((is_array($s)) && (array_key_exists($k,$s))) {
 565                                 if($s[$k])
 566                                         return (int) 1;
 567                                 return (int) 0;
 568                 }
 569                         return false;
 570                 }
 571                 else {
 572                         if(isset($s)) {
 573                                 if($s) {
 574                                         return (int) 1;
 575                                 }
 576                                 return (int) 0;
 577                         }
 578                         return false;
 579                 }
 580         }
 581 }
 582
 583 // called from db initialisation if db is dead.
 584
 585 if(! function_exists('system_unavailable')) {
 586         function system_unavailable() {
 587                 include('system_unavailable.php');
 588                 system_down();
 589                 killme();
 590         }
 591 }
 592
 593
 594
 595 function clean_urls() {
 596         global $a;
 597         //      if($a->config['system']['clean_urls'])
 598         return true;
 599         //      return false;
 600 }
 601
 602 function z_path() {
 603         global $a;
 604         $base = $a->get_baseurl();
 605         if(! clean_urls())
 606                 $base .= '/?q=';
 607         return $base;
 608 }
 609
 610 function z_root() {
 611         global $a;
 612         return $a->get_baseurl();
 613 }
 614
 615 function absurl($path) {
 616         if(strpos($path,'/') === 0)
 617                 return z_path() . $path;
 618         return $path;
 619 }
 620
 621 function is_ajax() {
 622         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 623 }
 624
 625
 626 // Primarily involved with database upgrade, but also sets the
 627 // base url for use in cmdline programs which don't have
 628 // $_SERVER variables, and synchronising the state of installed plugins.
 629
 630
 631 if(! function_exists('check_config')) {
 632         function check_config(&$a) {
 633
 634                 $build = get_config('system','build');
 635                 if(! x($build))
 636                         $build = set_config('system','build',DB_UPDATE_VERSION);
 637
 638                 $url = get_config('system','url');
 639
 640                 // if the url isn't set or the stored url is radically different
 641                 // than the currently visited url, store the current value accordingly.
 642                 // "Radically different" ignores common variations such as http vs https
 643                 // and www.example.com vs example.com.
 644
 645                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 646                         $url = set_config('system','url',$a->get_baseurl());
 647
 648                 if($build != DB_UPDATE_VERSION) {
 649                         $stored = intval($build);
 650                         $current = intval(DB_UPDATE_VERSION);
 651                         if(($stored < $current) && file_exists('update.php')) {
 652
 653                                 load_config('database');
 654
 655                                 // We're reporting a different version than what is currently installed.
 656                                 // Run any existing update scripts to bring the database up to current.
 657
 658                                 require_once('update.php');
 659
 660                                 // make sure that boot.php and update.php are the same release, we might be
 661                                 // updating right this very second and the correct version of the update.php
 662                                 // file may not be here yet. This can happen on a very busy site.
 663
 664                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 665
 666                                         for($x = $stored; $x < $current; $x ++) {
 667                                                 if(function_exists('update_' . $x)) {
 668
 669                                                         // There could be a lot of processes running or about to run.
 670                                                         // We want exactly one process to run the update command.
 671                                                         // So store the fact that we're taking responsibility
 672                                                         // after first checking to see if somebody else already has.
 673
 674                                                         // If the update fails or times-out completely you may need to
 675                                                         // delete the config entry to try again.
 676
 677                                                         if(get_config('database','update_' . $x))
 678                                                                 break;
 679                                                         set_config('database','update_' . $x, '1');
 680
 681                                                         // call the specific update
 682
 683                                                         $func = 'update_' . $x;
 684                                                         $retval = $func();
 685                                                         if($retval) {
 686                                                                 //send the administrator an e-mail
 687                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 688                                                                 $email_msg = replace_macros($email_tpl, array(
 689                                                                         '$sitename' => $a->config['sitename'],
 690                                                                         '$siteurl' =>  $a->get_baseurl(),
 691                                                                         '$update' => $x,
 692                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 693                                                                 ));
 694                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 695
 696                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 697                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 698                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 699                                                                         . 'Content-transfer-encoding: 8bit' );
 700                                                                 //try the logger
 701                                                                 logger('CRITICAL: Update Failed: '. $x);
 702                                                         }
 703                                                         else
 704                                                                 set_config('database','update_' . $x, 'success');
 705
 706                                                 }
 707                                         }
 708                                         set_config('system','build', DB_UPDATE_VERSION);
 709                                 }
 710                         }
 711                 }
 712
 713                 /**
 714                  *
 715                  * Synchronise plugins:
 716                  *
 717                  * $a->config['system']['addon'] contains a comma-separated list of names
 718                  * of plugins/addons which are used on this system.
 719                  * Go through the database list of already installed addons, and if we have
 720                  * an entry, but it isn't in the config list, call the uninstall procedure
 721                  * and mark it uninstalled in the database (for now we'll remove it).
 722                  * Then go through the config list and if we have a plugin that isn't installed,
 723                  * call the install procedure and add it to the database.
 724                  *
 725                  */
 726
 727                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 728                 if(count($r))
 729                         $installed = $r;
 730                 else
 731                         $installed = array();
 732
 733                 $plugins = get_config('system','addon');
 734                 $plugins_arr = array();
 735
 736                 if($plugins)
 737                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 738
 739                 $a->plugins = $plugins_arr;
 740
 741                 $installed_arr = array();
 742
 743                 if(count($installed)) {
 744                         foreach($installed as $i) {
 745                                 if(! in_array($i['name'],$plugins_arr)) {
 746                                         uninstall_plugin($i['name']);
 747                                 }
 748                                 else {
 749                                         $installed_arr[] = $i['name'];
 750                                 }
 751                         }
 752                 }
 753
 754                 if(count($plugins_arr)) {
 755                         foreach($plugins_arr as $p) {
 756                                 if(! in_array($p,$installed_arr)) {
 757                                         install_plugin($p);
 758                                 }
 759                         }
 760                 }
 761
 762
 763                 load_hooks();
 764
 765                 return;
 766         }
 767 }
 768
 769
 770 function get_guid($size=16) {
 771         $exists = true; // assume by default that we don't have a unique guid
 772         do {
 773                 $s = random_string($size);
 774                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 775                 if(! count($r))
 776                         $exists = false;
 777         } while($exists);
 778         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 779         return $s;
 780 }
 781
 782
 783 // wrapper for adding a login box. If $register == true provide a registration
 784 // link. This will most always depend on the value of $a->config['register_policy'].
 785 // returns the complete html for inserting into the page
 786
 787 if(! function_exists('login')) {
 788         function login($register = false, $hiddens=false) {
 789                 $a = get_app();
 790                 $o = "";
 791                 $reg = false;
 792                 if ($register) {
 793                         $reg = array(
 794                                 'title' => t('Create a New Account'),
 795                                 'desc' => t('Register')
 796                         );
 797                 }
 798
 799                 $noid = get_config('system','no_openid');
 800
 801                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 802
 803                 if(local_user()) {
 804                         $tpl = get_markup_template("logout.tpl");
 805                 }
 806                 else {
 807                         $tpl = get_markup_template("login.tpl");
 808                         $_SESSION['return_url'] = $a->query_string;
 809                 }
 810
 811
 812                 $o .= replace_macros($tpl,array(
 813
 814                         '$dest_url'     => $dest_url,
 815                         '$logout'       => t('Logout'),
 816                         '$login'        => t('Login'),
 817
 818                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 819                         '$lpassword'    => array('password', t('Password: '), '', ''),
 820
 821                         '$openid'               => !$noid,
 822                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 823
 824                         '$hiddens'      => $hiddens,
 825
 826                         '$register'     => $reg,
 827
 828                         '$lostpass'     => t('Forgot your password?'),
 829                         '$lostlink'     => t('Password Reset'),
 830                 ));
 831
 832                 call_hooks('login_hook',$o);
 833
 834                 return $o;
 835         }
 836 }
 837
 838 // Used to end the current process, after saving session state.
 839
 840 if(! function_exists('killme')) {
 841         function killme() {
 842                 session_write_close();
 843                 exit;
 844         }
 845 }
 846
 847 // redirect to another URL and terminate this process.
 848
 849 if(! function_exists('goaway')) {
 850         function goaway($s) {
 851                 header("Location: $s");
 852                 killme();
 853         }
 854 }
 855
 856
 857 // Returns the uid of locally logged in user or false.
 858
 859 if(! function_exists('local_user')) {
 860         function local_user() {
 861                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 862                         return intval($_SESSION['uid']);
 863                 return false;
 864         }
 865 }
 866
 867 // Returns contact id of authenticated site visitor or false
 868
 869 if(! function_exists('remote_user')) {
 870         function remote_user() {
 871                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 872                         return intval($_SESSION['visitor_id']);
 873                 return false;
 874         }
 875 }
 876
 877 // contents of $s are displayed prominently on the page the next time
 878 // a page is loaded. Usually used for errors or alerts.
 879
 880 if(! function_exists('notice')) {
 881         function notice($s) {
 882                 $a = get_app();
 883                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 884                 if($a->interactive)
 885                         $_SESSION['sysmsg'][] = $s;
 886         }
 887 }
 888 if(! function_exists('info')) {
 889         function info($s) {
 890                 $a = get_app();
 891                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 892                 if($a->interactive)
 893                         $_SESSION['sysmsg_info'][] = $s;
 894         }
 895 }
 896
 897
 898 // wrapper around config to limit the text length of an incoming message
 899
 900 if(! function_exists('get_max_import_size')) {
 901         function get_max_import_size() {
 902                 global $a;
 903                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 904         }
 905 }
 906
 907
 908
 909 /**
 910  *
 911  * Function : profile_load
 912  * @parameter App    $a
 913  * @parameter string $nickname
 914  * @parameter int    $profile
 915  *
 916  * Summary: Loads a profile into the page sidebar.
 917  * The function requires a writeable copy of the main App structure, and the nickname
 918  * of a registered local account.
 919  *
 920  * If the viewer is an authenticated remote viewer, the profile displayed is the
 921  * one that has been configured for his/her viewing in the Contact manager.
 922  * Passing a non-zero profile ID can also allow a preview of a selected profile
 923  * by the owner.
 924  *
 925  * Profile information is placed in the App structure for later retrieval.
 926  * Honours the owner's chosen theme for display.
 927  *
 928  */
 929
 930 if(! function_exists('profile_load')) {
 931         function profile_load(&$a, $nickname, $profile = 0) {
 932                 if(remote_user()) {
 933                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 934                                         intval($_SESSION['visitor_id']));
 935                         if(count($r))
 936                                 $profile = $r[0]['profile-id'];
 937                 }
 938
 939                 $r = null;
 940
 941                 if($profile) {
 942                         $profile_int = intval($profile);
 943                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 944                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 945                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 946                                         dbesc($nickname),
 947                                         intval($profile_int)
 948                         );
 949                 }
 950                 if((! $r) && (!  count($r))) {
 951                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 952                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 953                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 954                                         dbesc($nickname)
 955                         );
 956                 }
 957
 958                 if(($r === false) || (! count($r))) {
 959                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 960                         notice( t('Requested profile is not available.') . EOL );
 961                         $a->error = 404;
 962                         return;
 963                 }
 964
 965                 // fetch user tags if this isn't the default profile
 966
 967                 if(! $r[0]['is-default']) {
 968                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 969                                         intval($profile_uid)
 970                         );
 971                         if($x && count($x))
 972                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 973                 }
 974
 975                 $a->profile = $r[0];
 976
 977
 978                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 979                 $_SESSION['theme'] = $a->profile['theme'];
 980
 981                 /**
 982                  * load/reload current theme info
 983                  */
 984
 985                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
 986                 if (file_exists($theme_info_file)){
 987                         require_once($theme_info_file);
 988                 }
 989
 990                 if(! (x($a->page,'aside')))
 991                         $a->page['aside'] = '';
 992
 993                 if(local_user() && local_user() == $a->profile['uid']) {
 994                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
 995                                 '$editprofile' => t('Edit profile'),
 996                                 '$profid' => $a->profile['id']
 997                         ));
 998                 }
 999
1000                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1001
1002                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1003
1004                 /*if(! $block)
1005                  $a->page['aside'] .= contact_block();*/
1006
1007                 return;
1008         }
1009 }
1010
1011
1012 /**
1013  *
1014  * Function: profile_sidebar
1015  *
1016  * Formats a profile for display in the sidebar.
1017  * It is very difficult to templatise the HTML completely
1018  * because of all the conditional logic.
1019  *
1020  * @parameter: array $profile
1021  *
1022  * Returns HTML string stuitable for sidebar inclusion
1023  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1024  *
1025  */
1026
1027
1028 if(! function_exists('profile_sidebar')) {
1029         function profile_sidebar($profile, $block = 0) {
1030
1031                 $a = get_app();
1032
1033                 $o = '';
1034                 $location = false;
1035                 $address = false;
1036                 $pdesc = true;
1037
1038                 if((! is_array($profile)) && (! count($profile)))
1039                         return $o;
1040
1041                 $profile['picdate'] = urlencode($profile['picdate']);
1042
1043                 call_hooks('profile_sidebar_enter', $profile);
1044
1045
1046                 // don't show connect link to yourself
1047                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1048
1049                 // don't show connect link to authenticated visitors either
1050
1051                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1052                         $connect = False;
1053
1054                 if(get_my_url() && $profile['unkmail'])
1055                         $wallmessage = t('Message');
1056                 else
1057                         $wallmessage = false;
1058
1059
1060
1061                 // show edit profile to yourself
1062                 if ($profile['uid'] == local_user()) {
1063                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1064
1065                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1066                                         local_user());
1067
1068                         $profile['menu'] = array(
1069                                 'chg_photo' => t('Change profile photo'),
1070                                 'cr_new' => t('Create New Profile'),
1071                                 'entries' => array(),
1072                         );
1073
1074                         if(count($r)) {
1075
1076                                 foreach($r as $rr) {
1077                                         $profile['menu']['entries'][] = array(
1078                                                 'photo' => $rr['thumb'],
1079                                                 'id' => $rr['id'],
1080                                                 'alt' => t('Profile Image'),
1081                                                 'profile_name' => $rr['profile-name'],
1082                                                 'isdefault' => $rr['is-default'],
1083                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1084                                                 'edit_visibility' => t('Edit visibility'),
1085
1086                                         );
1087                                 }
1088
1089
1090                         }
1091
1092
1093                 }
1094
1095
1096
1097
1098                 if((x($profile,'address') == 1)
1099                                 || (x($profile,'locality') == 1)
1100                                 || (x($profile,'region') == 1)
1101                                 || (x($profile,'postal-code') == 1)
1102                                 || (x($profile,'country-name') == 1))
1103                         $location = t('Location:');
1104
1105                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1106
1107
1108                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1109
1110                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1111
1112                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1113                         $location = $pdesc = $gender = $marital = $homepage = False;
1114                 }
1115
1116                 $firstname = ((strpos($profile['name'],' '))
1117                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1118                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1119
1120                 $diaspora = array(
1121                         'podloc' => $a->get_baseurl(),
1122                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1123                         'nickname' => $profile['nickname'],
1124                         'fullname' => $profile['name'],
1125                         'firstname' => $firstname,
1126                         'lastname' => $lastname,
1127                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1128                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1129                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1130                 );
1131
1132                 if (!$block){
1133                         $contact_block = contact_block();
1134                 }
1135
1136
1137                 $tpl = get_markup_template('profile_vcard.tpl');
1138
1139                 $o .= replace_macros($tpl, array(
1140                         '$profile' => $profile,
1141                         '$connect'  => $connect,
1142                         '$wallmessage' => $wallmessage,
1143                         '$location' => template_escape($location),
1144                         '$gender'   => $gender,
1145                         '$pdesc'        => $pdesc,
1146                         '$marital'  => $marital,
1147                         '$homepage' => $homepage,
1148                         '$diaspora' => $diaspora,
1149                         '$contact_block' => $contact_block,
1150                 ));
1151
1152
1153                 $arr = array('profile' => &$profile, 'entry' => &$o);
1154
1155                 call_hooks('profile_sidebar', $arr);
1156
1157                 return $o;
1158         }
1159 }
1160
1161
1162 if(! function_exists('get_birthdays')) {
1163         function get_birthdays() {
1164
1165                 $a = get_app();
1166                 $o = '';
1167
1168                 if(! local_user())
1169                         return $o;
1170
1171                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1172                 $bd_short = t('F d');
1173
1174                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1175                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1176                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1177                                 ORDER BY `start` ASC ",
1178                                 intval(local_user()),
1179                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1180                                 dbesc(datetime_convert('UTC','UTC','now'))
1181                 );
1182
1183                 if($r && count($r)) {
1184                         $total = 0;
1185                         $now = strtotime('now');
1186                         $cids = array();
1187
1188                         $istoday = false;
1189                         foreach($r as $rr) {
1190                                 if(strlen($rr['name']))
1191                                         $total ++;
1192                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1193                                         $istoday = true;
1194                         }
1195                         $classtoday = $istoday ? ' birthday-today ' : '';
1196                         if($total) {
1197                                 foreach($r as &$rr) {
1198                                         if(! strlen($rr['name']))
1199                                                 continue;
1200
1201                                         // avoid duplicates
1202
1203                                         if(in_array($rr['cid'],$cids))
1204                                                 continue;
1205                                         $cids[] = $rr['cid'];
1206
1207                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1208                                         $sparkle = '';
1209                                         $url = $rr['url'];
1210                                         if($rr['network'] === NETWORK_DFRN) {
1211                                                 $sparkle = " sparkle";
1212                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1213                                         }
1214
1215                                         $rr['link'] = $url;
1216                                         $rr['title'] = $rr['name'];
1217                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1218                                         $rr['startime'] = Null;
1219                                         $rr['today'] = $today;
1220
1221                                 }
1222                         }
1223                 }
1224                 $tpl = get_markup_template("birthdays_reminder.tpl");
1225                 return replace_macros($tpl, array(
1226                         '$baseurl' => $a->get_baseurl(),
1227                         '$classtoday' => $classtoday,
1228                         '$count' => $total,
1229                         '$event_reminders' => t('Birthday Reminders'),
1230                         '$event_title' => t('Birthdays this week:'),
1231                         '$events' => $r,
1232                 ));
1233         }
1234 }
1235
1236
1237 if(! function_exists('get_events')) {
1238         function get_events() {
1239
1240                 require_once('include/bbcode.php');
1241
1242                 $a = get_app();
1243
1244                 if(! local_user())
1245                         return $o;
1246
1247                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1248                 $bd_short = t('F d');
1249
1250                 $r = q("SELECT `event`.* FROM `event`
1251                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1252                                 ORDER BY `start` ASC ",
1253                                 intval(local_user()),
1254                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1255                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1256                 );
1257
1258                 if($r && count($r)) {
1259                         $now = strtotime('now');
1260                         $istoday = false;
1261                         foreach($r as $rr) {
1262                                 if(strlen($rr['name']))
1263                                         $total ++;
1264
1265                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1266                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1267                                         $istoday = true;
1268                         }
1269                         $classtoday = (($istoday) ? 'event-today' : '');
1270
1271
1272                         foreach($r as &$rr) {
1273                                 if($rr['adjust'])
1274                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1275                                 else
1276                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1277                                 $md .= "/#link-".$rr['id'];
1278
1279                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1280                                 if(! $title)
1281                                         $title = t('[No description]');
1282
1283                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1284                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1285
1286                                 $rr['link'] = $md;
1287                                 $rr['title'] = $title;
1288                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1289                                 $rr['startime'] = $strt;
1290                                 $rr['today'] = $today;
1291                         }
1292                 }
1293
1294                 $tpl = get_markup_template("events_reminder.tpl");
1295                 return replace_macros($tpl, array(
1296                         '$baseurl' => $a->get_baseurl(),
1297                         '$classtoday' => $classtoday,
1298                         '$count' => count($r),
1299                         '$event_reminders' => t('Event Reminders'),
1300                         '$event_title' => t('Events this week:'),
1301                         '$events' => $r,
1302                 ));
1303         }
1304 }
1305
1306
1307 /**
1308  *
1309  * Wrap calls to proc_close(proc_open()) and call hook
1310  * so plugins can take part in process :)
1311  *
1312  * args:
1313  * $cmd program to run
1314  *  next args are passed as $cmd command line
1315  *
1316  * e.g.: proc_run("ls","-la","/tmp");
1317  *
1318  * $cmd and string args are surrounded with ""
1319  */
1320
1321 if(! function_exists('proc_run')) {
1322         function proc_run($cmd){
1323
1324                 $a = get_app();
1325
1326                 $args = func_get_args();
1327
1328                 $newargs = array();
1329                 if(! count($args))
1330                         return;
1331
1332                 // expand any arrays
1333
1334                 foreach($args as $arg) {
1335                         if(is_array($arg)) {
1336                                 foreach($arg as $n) {
1337                                         $newargs[] = $n;
1338                                 }
1339                         }
1340                         else
1341                                 $newargs[] = $arg;
1342                 }
1343
1344                 $args = $newargs;
1345
1346                 $arr = array('args' => $args, 'run_cmd' => true);
1347
1348                 call_hooks("proc_run", $arr);
1349                 if(! $arr['run_cmd'])
1350                         return;
1351
1352                 if(count($args) && $args[0] === 'php')
1353                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1354                 foreach ($args as $arg){
1355                         $arg = escapeshellarg($arg);
1356                 }
1357                 $cmdline = implode($args," ");
1358                 proc_close(proc_open($cmdline." &",array(),$foo));
1359         }
1360 }
1361
1362 if(! function_exists('current_theme')) {
1363         function current_theme(){
1364                 $app_base_themes = array('duepuntozero', 'loozah');
1365
1366                 $a = get_app();
1367
1368                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1369                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1370
1371                 if($theme_name &&
1372                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1373                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1374                         return($theme_name);
1375
1376                 foreach($app_base_themes as $t) {
1377                         if(file_exists('view/theme/' . $t . '/style.css')||
1378                                         file_exists('view/theme/' . $t . '/style.php'))
1379                                 return($t);
1380                 }
1381
1382                 $fallback = glob('view/theme/*/style.[css|php]');
1383                 if(count($fallback))
1384                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1385
1386         }
1387 }
1388
1389 /*
1390  * Return full URL to theme which is currently in effect.
1391 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1392 */
1393 if(! function_exists('current_theme_url')) {
1394         function current_theme_url() {
1395                 global $a;
1396                 $t = current_theme();
1397                 if (file_exists('view/theme/' . $t . '/style.php'))
1398                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1399                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1400         }
1401 }
1402
1403 if(! function_exists('feed_birthday')) {
1404         function feed_birthday($uid,$tz) {
1405
1406                 /**
1407                  *
1408                  * Determine the next birthday, but only if the birthday is published
1409                  * in the default profile. We _could_ also look for a private profile that the
1410                  * recipient can see, but somebody could get mad at us if they start getting
1411                  * public birthday greetings when they haven't made this info public.
1412                  *
1413                  * Assuming we are able to publish this info, we are then going to convert
1414                  * the start time from the owner's timezone to UTC.
1415                  *
1416                  * This will potentially solve the problem found with some social networks
1417                  * where birthdays are converted to the viewer's timezone and salutations from
1418                  * elsewhere in the world show up on the wrong day. We will convert it to the
1419                  * viewer's timezone also, but first we are going to convert it from the birthday
1420                  * person's timezone to GMT - so the viewer may find the birthday starting at
1421                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1422                  *
1423                  */
1424
1425
1426                 $birthday = '';
1427
1428                 if(! strlen($tz))
1429                         $tz = 'UTC';
1430
1431                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1432                                 intval($uid)
1433                 );
1434
1435                 if($p && count($p)) {
1436                         $tmp_dob = substr($p[0]['dob'],5);
1437                         if(intval($tmp_dob)) {
1438                                 $y = datetime_convert($tz,$tz,'now','Y');
1439                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1440                                 $t_dob = strtotime($bd);
1441                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1442                                 if($t_dob < $now)
1443                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1444                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1445                         }
1446                 }
1447
1448                 return $birthday;
1449         }
1450 }
1451
1452 if(! function_exists('is_site_admin')) {
1453         function is_site_admin() {
1454                 $a = get_app();
1455                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1456                         return true;
1457                 return false;
1458         }
1459 }
1460
1461
1462 if(! function_exists('load_contact_links')) {
1463         function load_contact_links($uid) {
1464
1465                 $a = get_app();
1466
1467                 $ret = array();
1468
1469                 if(! $uid || x($a->contacts,'empty'))
1470                         return;
1471
1472                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1473                                 intval($uid)
1474                 );
1475                 if(count($r)) {
1476                         foreach($r as $rr){
1477                                 $url = normalise_link($rr['url']);
1478                                 $ret[$url] = $rr;
1479                         }
1480                 }
1481                 else
1482                         $ret['empty'] = true;
1483                 $a->contacts = $ret;
1484                 return;
1485         }
1486 }
1487
1488 if(! function_exists('profile_tabs')){
1489         function profile_tabs($a, $is_owner=False, $nickname=Null){
1490                 //echo "<pre>"; var_dump($a->user); killme();
1491
1492                 if (is_null($nickname))
1493                         $nickname  = $a->user['nickname'];
1494
1495                 if(x($_GET,'tab'))
1496                         $tab = notags(trim($_GET['tab']));
1497
1498                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1499
1500                 $tabs = array(
1501                         array(
1502                                 'label'=>t('Status'),
1503                                 'url' => $url,
1504                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1505                                 'title' => t('Status Messages and Posts'),
1506                         ),
1507                         array(
1508                                 'label' => t('Profile'),
1509                                 'url'   => $url.'/?tab=profile',
1510                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1511                                 'title' => t('Profile Details'),
1512                         ),
1513                         array(
1514                                 'label' => t('Photos'),
1515                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1516                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1517                                 'title' => t('Photo Albums'),
1518                         ),
1519                 );
1520
1521                 if ($is_owner){
1522                         $tabs[] = array(
1523                                 'label' => t('Events'),
1524                                 'url'   => $a->get_baseurl() . '/events',
1525                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1526                                 'title' => t('Events and Calendar'),
1527                         );
1528                         $tabs[] = array(
1529                                 'label' => t('Personal Notes'),
1530                                 'url'   => $a->get_baseurl() . '/notes',
1531                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1532                                 'title' => t('Only You Can See This'),
1533                         );
1534                 }
1535
1536
1537                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1538                 call_hooks('profile_tabs', $arr);
1539
1540                 $tpl = get_markup_template('common_tabs.tpl');
1541
1542                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1543         }
1544 }
1545
1546 function get_my_url() {
1547         if(x($_SESSION,'my_url'))
1548                 return $_SESSION['my_url'];
1549         return false;
1550 }
1551
1552 function zrl_init(&$a) {
1553         $tmp_str = get_my_url();
1554         if(validate_url($tmp_str)) {
1555                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1556                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1557                 call_hooks('zrl_init',$arr);
1558         }
1559 }
1560
1561 function zrl($s,$force = false) {
1562         if(! strlen($s))
1563                 return $s;
1564         if((! strpos($s,'/profile/')) && (! $force))
1565                 return $s;
1566         if($force && substr($s,-1,1) !== '/')
1567                 $s = $s . '/';
1568         $achar = strpos($s,'?') ? '&' : '?';
1569         $mine = get_my_url();
1570         if($mine and ! link_compare($mine,$s))
1571                 return $s . $achar . 'zrl=' . urlencode($mine);
1572         return $s;
1573 }