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',      '2.3.1314' );
  13 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  14 define ( 'DB_UPDATE_VERSION',      1138      );
  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  *
  78  * page/profile types
  79  *
  80  * PAGE_NORMAL is a typical personal profile account
  81  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
  82  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
  83  *      write access to wall and comments (no email and not included in page owner's ACL lists)
  84  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
  85  *
  86  */
  87
  88 define ( 'PAGE_NORMAL',            0 );
  89 define ( 'PAGE_SOAPBOX',           1 );
  90 define ( 'PAGE_COMMUNITY',         2 );
  91 define ( 'PAGE_FREELOVE',          3 );
  92 define ( 'PAGE_BLOG',              4 );
  93 define ( 'PAGE_PRVGROUP',          5 );
  94
  95 /**
  96  * Network and protocol family types
  97  */
  98
  99 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 100 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 101 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 102 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 103 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 104 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 105 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 106 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 107 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 108 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 109 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 110 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 111
 112 /**
 113  * These numbers are used in stored permissions
 114  * and existing allocations MUST NEVER BE CHANGED
 115  * OR RE-ASSIGNED! You may only add to them.
 116  */
 117
 118 $netgroup_ids = array(
 119         NETWORK_DFRN     => (-1),
 120         NETWORK_ZOT      => (-2),
 121         NETWORK_OSTATUS  => (-3),
 122         NETWORK_FEED     => (-4),
 123         NETWORK_DIASPORA => (-5),
 124         NETWORK_MAIL     => (-6),
 125         NETWORK_MAIL2    => (-7),
 126         NETWORK_FACEBOOK => (-8),
 127         NETWORK_LINKEDIN => (-9),
 128         NETWORK_XMPP     => (-10),
 129         NETWORK_MYSPACE  => (-11),
 130         NETWORK_GPLUS    => (-12),
 131 );
 132
 133
 134 /**
 135  * Maximum number of "people who like (or don't like) this"  that we will list by name
 136  */
 137
 138 define ( 'MAX_LIKERS',    75);
 139
 140 /**
 141  * Communication timeout
 142  */
 143
 144 define ( 'ZCURL_TIMEOUT' , (-1));
 145
 146
 147 /**
 148  * email notification options
 149  */
 150
 151 define ( 'NOTIFY_INTRO',    0x0001 );
 152 define ( 'NOTIFY_CONFIRM',  0x0002 );
 153 define ( 'NOTIFY_WALL',     0x0004 );
 154 define ( 'NOTIFY_COMMENT',  0x0008 );
 155 define ( 'NOTIFY_MAIL',     0x0010 );
 156 define ( 'NOTIFY_SUGGEST',  0x0020 );
 157 define ( 'NOTIFY_PROFILE',  0x0040 );
 158 define ( 'NOTIFY_TAGSELF',  0x0080 );
 159 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 160
 161 define ( 'NOTIFY_SYSTEM',   0x8000 );
 162
 163
 164 /**
 165  * various namespaces we may need to parse
 166  */
 167
 168 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 169 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 170 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 171 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 172 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 173 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 174 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 175 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 176 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 177 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 178 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 179 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 180 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 181 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 182 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 183 /**
 184  * activity stream defines
 185  */
 186
 187 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 188 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 189 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 190
 191 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 192 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 193 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 194 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 195 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 196 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 197 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 198 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 199 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 200
 201 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 202 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 203 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 204 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 205 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 206 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 207 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 208 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 209 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 210
 211 /**
 212  * item weight for query ordering
 213  */
 214
 215 define ( 'GRAVITY_PARENT',       0);
 216 define ( 'GRAVITY_LIKE',         3);
 217 define ( 'GRAVITY_COMMENT',      6);
 218
 219 /**
 220  *
 221  * Reverse the effect of magic_quotes_gpc if it is enabled.
 222  * Please disable magic_quotes_gpc so we don't have to do this.
 223  * See http://php.net/manual/en/security.magicquotes.disabling.php
 224  *
 225  */
 226
 227 function startup() {
 228         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 229         set_time_limit(0);
 230
 231         // This has to be quite large to deal with embedded private photos
 232         ini_set('pcre.backtrack_limit', 500000);
 233
 234
 235         if (get_magic_quotes_gpc()) {
 236                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 237                 while (list($key, $val) = each($process)) {
 238                         foreach ($val as $k => $v) {
 239                                 unset($process[$key][$k]);
 240                                 if (is_array($v)) {
 241                                         $process[$key][stripslashes($k)] = $v;
 242                                         $process[] = &$process[$key][stripslashes($k)];
 243                                 } else {
 244                                         $process[$key][stripslashes($k)] = stripslashes($v);
 245                                 }
 246                         }
 247                 }
 248                 unset($process);
 249         }
 250
 251 }
 252
 253 /**
 254  *
 255  * class: App
 256  *
 257  * Our main application structure for the life of this page
 258  * Primarily deals with the URL that got us here
 259  * and tries to make some sense of it, and
 260  * stores our page contents and config storage
 261  * and anything else that might need to be passed around
 262  * before we spit the page out.
 263  *
 264  */
 265
 266 if(! class_exists('App')) {
 267         class App {
 268
 269                 public  $module_loaded = false;
 270                 public  $query_string;
 271                 public  $config;
 272                 public  $page;
 273                 public  $profile;
 274                 public  $user;
 275                 public  $cid;
 276                 public  $contact;
 277                 public  $contacts;
 278                 public  $page_contact;
 279                 public  $content;
 280                 public  $data = array();
 281                 public  $error = false;
 282                 public  $cmd;
 283                 public  $argv;
 284                 public  $argc;
 285                 public  $module;
 286                 public  $pager;
 287                 public  $strings;
 288                 public  $path;
 289                 public  $hooks;
 290                 public  $timezone;
 291                 public  $interactive = true;
 292                 public  $plugins;
 293                 public  $apps = array();
 294                 public  $identities;
 295
 296                 public $nav_sel;
 297
 298                 public $category;
 299
 300                 private $scheme;
 301                 private $hostname;
 302                 private $baseurl;
 303                 private $db;
 304
 305                 private $curl_code;
 306                 private $curl_headers;
 307
 308                 function __construct() {
 309
 310                         $this->config = array();
 311                         $this->page = array();
 312                         $this->pager= array();
 313
 314                         $this->query_string = '';
 315
 316                         startup();
 317
 318                         $this->scheme = 'http';
 319                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 320                                 $this->scheme = 'https';
 321                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 322                         $this->scheme = 'https';
 323
 324
 325                         if(x($_SERVER,'SERVER_NAME')) {
 326                                 $this->hostname = $_SERVER['SERVER_NAME'];
 327                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 328                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 329                                 /**
 330                                  * Figure out if we are running at the top of a domain
 331                                  * or in a sub-directory and adjust accordingly
 332                                  */
 333
 334                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 335                                 if(isset($path) && strlen($path) && ($path != $this->path))
 336                                         $this->path = $path;
 337                         }
 338
 339                         set_include_path(
 340                                         "include/$this->hostname" . PATH_SEPARATOR
 341                                         . 'include' . PATH_SEPARATOR
 342                                         . 'library' . PATH_SEPARATOR
 343                                         . 'library/phpsec' . PATH_SEPARATOR
 344                                         . '.' );
 345
 346                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 347                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 348                                 // removing trailing / - maybe a nginx problem
 349                                 if (substr($this->query_string, 0, 1) == "/")
 350                                         $this->query_string = substr($this->query_string, 1);
 351                         }
 352                         if(x($_GET,'q'))
 353                                 $this->cmd = trim($_GET['q'],'/\\');
 354
 355                         // unix style "homedir"
 356
 357                         if(substr($this->cmd,0,1) === '~')
 358                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 359
 360                         // Diaspora style profile url
 361
 362                         if(substr($this->cmd,0,2) === 'u/')
 363                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 364
 365                         /**
 366                          *
 367                          * Break the URL path into C style argc/argv style arguments for our
 368                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 369                          * will be 3 (integer) and $this->argv will contain:
 370                          *   [0] => 'module'
 371                          *   [1] => 'arg1'
 372                          *   [2] => 'arg2'
 373                          *
 374                          *
 375                          * There will always be one argument. If provided a naked domain
 376                          * URL, $this->argv[0] is set to "home".
 377                          *
 378                          */
 379
 380                         $this->argv = explode('/',$this->cmd);
 381                         $this->argc = count($this->argv);
 382                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 383                                 $this->module = str_replace(".", "_", $this->argv[0]);
 384                                 if(array_key_exists('2',$this->argv)) {
 385                                         $this->category = $this->argv[2];
 386                                 }
 387                         }
 388                         else {
 389                                 $this->argc = 1;
 390                                 $this->argv = array('home');
 391                                 $this->module = 'home';
 392                         }
 393
 394                         /**
 395                          * Special handling for the webfinger/lrdd host XRD file
 396                          */
 397
 398                         if($this->cmd === '.well-known/host-meta') {
 399                                 $this->argc = 1;
 400                                 $this->argv = array('hostxrd');
 401                                 $this->module = 'hostxrd';
 402                         }
 403
 404                         /**
 405                          * See if there is any page number information, and initialise
 406                          * pagination
 407                          */
 408
 409                         $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 410                         $this->pager['itemspage'] = 50;
 411                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 412                         $this->pager['total'] = 0;
 413                 }
 414
 415                 function get_baseurl($ssl = false) {
 416
 417                         $scheme = $this->scheme;
 418
 419                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 420                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 421                                         $scheme = 'https';
 422
 423                                 //                      We need to populate the $ssl flag across the entire program before turning this on.
 424                                 //                      Basically, we'll have $ssl = true on any links which can only be seen by a logged in user
 425                                 //                      (and also the login link). Anything seen by an outsider will have it turned off.
 426                                 //                      At present, setting SSL_POLICY_SELFSIGN will only force remote contacts to update their
 427                                 //                      contact links to this site with "http:" if they are currently using "https:"
 428
 429                                 //                      if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 430                                 //                              if($ssl)
 431                                 //                                      $scheme = 'https';
 432                                 //                              else
 433                                 //                                      $scheme = 'http';
 434                                         //                      }
 435                 }
 436
 437                                 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 438                                 return $this->baseurl;
 439                 }
 440
 441                 function set_baseurl($url) {
 442                         $parsed = @parse_url($url);
 443
 444                         $this->baseurl = $url;
 445
 446                         if($parsed) {
 447                                 $this->scheme = $parsed['scheme'];
 448
 449                                 $this->hostname = $parsed['host'];
 450                                 if(x($parsed,'port'))
 451                                         $this->hostname .= ':' . $parsed['port'];
 452                                 if(x($parsed,'path'))
 453                                         $this->path = trim($parsed['path'],'\\/');
 454                         }
 455
 456                 }
 457
 458                 function get_hostname() {
 459                         return $this->hostname;
 460                 }
 461
 462                 function set_hostname($h) {
 463                         $this->hostname = $h;
 464                 }
 465
 466                 function set_path($p) {
 467                         $this->path = trim(trim($p),'/');
 468                 }
 469
 470                 function get_path() {
 471                         return $this->path;
 472                 }
 473
 474                 function set_pager_total($n) {
 475                         $this->pager['total'] = intval($n);
 476                 }
 477
 478                 function set_pager_itemspage($n) {
 479                         $this->pager['itemspage'] = intval($n);
 480                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 481
 482                 }
 483
 484                 function init_pagehead() {
 485                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 486                         if($interval < 10000)
 487                                 $interval = 40000;
 488
 489                         $this->page['title'] = $this->config['sitename'];
 490                         $tpl = file_get_contents('view/head.tpl');
 491                         $this->page['htmlhead'] = replace_macros($tpl,array(
 492                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 493                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 494                                 '$delitem' => t('Delete this item?'),
 495                                 '$comment' => t('Comment'),
 496                                 '$showmore' => t('show more'),
 497                                 '$showfewer' => t('show fewer'),
 498                                 '$update_interval' => $interval
 499                         ));
 500                 }
 501
 502                 function set_curl_code($code) {
 503                         $this->curl_code = $code;
 504                 }
 505
 506                 function get_curl_code() {
 507                         return $this->curl_code;
 508                 }
 509
 510                 function set_curl_headers($headers) {
 511                         $this->curl_headers = $headers;
 512                 }
 513
 514                 function get_curl_headers() {
 515                         return $this->curl_headers;
 516                 }
 517
 518
 519         }
 520 }
 521
 522 // retrieve the App structure
 523 // useful in functions which require it but don't get it passed to them
 524
 525 if(! function_exists('get_app')) {
 526         function get_app() {
 527                 global $a;
 528                 return $a;
 529         }
 530 };
 531
 532
 533 // Multi-purpose function to check variable state.
 534 // Usage: x($var) or $x($array,'key')
 535 // returns false if variable/key is not set
 536 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 537 // e.g. x('') or x(0) returns 0;
 538
 539 if(! function_exists('x')) {
 540         function x($s,$k = NULL) {
 541                 if($k != NULL) {
 542                         if((is_array($s)) && (array_key_exists($k,$s))) {
 543                                 if($s[$k])
 544                                         return (int) 1;
 545                                 return (int) 0;
 546                 }
 547                         return false;
 548                 }
 549                 else {
 550                         if(isset($s)) {
 551                                 if($s) {
 552                                         return (int) 1;
 553                                 }
 554                                 return (int) 0;
 555                         }
 556                         return false;
 557                 }
 558         }
 559 }
 560
 561 // called from db initialisation if db is dead.
 562
 563 if(! function_exists('system_unavailable')) {
 564         function system_unavailable() {
 565                 include('system_unavailable.php');
 566                 system_down();
 567                 killme();
 568         }
 569 }
 570
 571
 572
 573 function clean_urls() {
 574         global $a;
 575         //      if($a->config['system']['clean_urls'])
 576         return true;
 577         //      return false;
 578 }
 579
 580 function z_path() {
 581         global $a;
 582         $base = $a->get_baseurl();
 583         if(! clean_urls())
 584                 $base .= '/?q=';
 585         return $base;
 586 }
 587
 588 function z_root() {
 589         global $a;
 590         return $a->get_baseurl();
 591 }
 592
 593 function absurl($path) {
 594         if(strpos($path,'/') === 0)
 595                 return z_path() . $path;
 596         return $path;
 597 }
 598
 599 function is_ajax() {
 600         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 601 }
 602
 603
 604 // Primarily involved with database upgrade, but also sets the
 605 // base url for use in cmdline programs which don't have
 606 // $_SERVER variables, and synchronising the state of installed plugins.
 607
 608
 609 if(! function_exists('check_config')) {
 610         function check_config(&$a) {
 611
 612                 $build = get_config('system','build');
 613                 if(! x($build))
 614                         $build = set_config('system','build',DB_UPDATE_VERSION);
 615
 616                 $url = get_config('system','url');
 617
 618                 // if the url isn't set or the stored url is radically different
 619                 // than the currently visited url, store the current value accordingly.
 620                 // "Radically different" ignores common variations such as http vs https
 621                 // and www.example.com vs example.com.
 622
 623                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 624                         $url = set_config('system','url',$a->get_baseurl());
 625
 626                 if($build != DB_UPDATE_VERSION) {
 627                         $stored = intval($build);
 628                         $current = intval(DB_UPDATE_VERSION);
 629                         if(($stored < $current) && file_exists('update.php')) {
 630
 631                                 load_config('database');
 632
 633                                 // We're reporting a different version than what is currently installed.
 634                                 // Run any existing update scripts to bring the database up to current.
 635
 636                                 require_once('update.php');
 637
 638                                 // make sure that boot.php and update.php are the same release, we might be
 639                                 // updating right this very second and the correct version of the update.php
 640                                 // file may not be here yet. This can happen on a very busy site.
 641
 642                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 643
 644                                         for($x = $stored; $x < $current; $x ++) {
 645                                                 if(function_exists('update_' . $x)) {
 646
 647                                                         // There could be a lot of processes running or about to run.
 648                                                         // We want exactly one process to run the update command.
 649                                                         // So store the fact that we're taking responsibility
 650                                                         // after first checking to see if somebody else already has.
 651
 652                                                         // If the update fails or times-out completely you may need to
 653                                                         // delete the config entry to try again.
 654
 655                                                         if(get_config('database','update_' . $x))
 656                                                                 break;
 657                                                         set_config('database','update_' . $x, '1');
 658
 659                                                         // call the specific update
 660
 661 //                                                      global $db;
 662 //                                                      $db->excep(TRUE);
 663 //                                                      try {
 664 //                                                              $db->beginTransaction();
 665                                                                 $func = 'update_' . $x;
 666                                                                 $func($a);
 667 //                                                              $db->commit();
 668 //                                                      } catch(Exception $ex) {
 669 //                                                              $db->rollback();
 670 //                                                              //send the administrator an e-mail
 671 //                                                              $email_tpl = get_intltext_template("update_fail_eml.tpl");
 672 //                                                              $email_tpl = replace_macros($email_tpl, array(
 673 //                                                                      '$sitename' => $a->config['sitename'],
 674 //                                                                      '$siteurl' =>  $a->get_baseurl(),
 675 //                                                                      '$update' => $x,
 676 //                                                                      '$error' => $ex->getMessage()));
 677 //                                                              $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 678
 679 //                                                              mail($a->config['admin_email'], $subject, $text,
 680 //                                                                              'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 681 //                                                                              . 'Content-type: text/plain; charset=UTF-8' . "\n"
 682 //                                                                              . 'Content-transfer-encoding: 8bit' );
 683 //                                                              //try the logger
 684 //                                                              logger('update failed: '.$ex->getMessage().EOL);
 685 //                                                      }
 686 //                                                      $db->excep(FALSE);
 687                                                 }
 688                                         }
 689                                         set_config('system','build', DB_UPDATE_VERSION);
 690                                 }
 691                         }
 692                 }
 693
 694                 /**
 695                  *
 696                  * Synchronise plugins:
 697                  *
 698                  * $a->config['system']['addon'] contains a comma-separated list of names
 699                  * of plugins/addons which are used on this system.
 700                  * Go through the database list of already installed addons, and if we have
 701                  * an entry, but it isn't in the config list, call the uninstall procedure
 702                  * and mark it uninstalled in the database (for now we'll remove it).
 703                  * Then go through the config list and if we have a plugin that isn't installed,
 704                  * call the install procedure and add it to the database.
 705                  *
 706                  */
 707
 708                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 709                 if(count($r))
 710                         $installed = $r;
 711                 else
 712                         $installed = array();
 713
 714                 $plugins = get_config('system','addon');
 715                 $plugins_arr = array();
 716
 717                 if($plugins)
 718                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 719
 720                 $a->plugins = $plugins_arr;
 721
 722                 $installed_arr = array();
 723
 724                 if(count($installed)) {
 725                         foreach($installed as $i) {
 726                                 if(! in_array($i['name'],$plugins_arr)) {
 727                                         uninstall_plugin($i['name']);
 728                         }
 729                                 else
 730                                         $installed_arr[] = $i['name'];
 731                         }
 732                 }
 733
 734                 if(count($plugins_arr)) {
 735                         foreach($plugins_arr as $p) {
 736                                 if(! in_array($p,$installed_arr)) {
 737                                         install_plugin($p);
 738                                 }
 739                         }
 740                 }
 741
 742
 743                 load_hooks();
 744
 745                 return;
 746         }
 747 }
 748
 749
 750 function get_guid($size=16) {
 751         $exists = true; // assume by default that we don't have a unique guid
 752         do {
 753                 $s = random_string($size);
 754                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 755                 if(! count($r))
 756                         $exists = false;
 757         } while($exists);
 758         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 759         return $s;
 760 }
 761
 762
 763 // wrapper for adding a login box. If $register == true provide a registration
 764 // link. This will most always depend on the value of $a->config['register_policy'].
 765 // returns the complete html for inserting into the page
 766
 767 if(! function_exists('login')) {
 768         function login($register = false, $hiddens=false) {
 769                 $a = get_app();
 770                 $o = "";
 771                 $reg = false;
 772                 if ($register) {
 773                         $reg = array(
 774                                 'title' => t('Create a New Account'),
 775                                 'desc' => t('Register')
 776                         );
 777                 }
 778
 779                 $noid = get_config('system','no_openid');
 780
 781                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 782
 783                 if(local_user()) {
 784                         $tpl = get_markup_template("logout.tpl");
 785                 }
 786                 else {
 787                         $tpl = get_markup_template("login.tpl");
 788                         $_SESSION['return_url'] = $a->query_string;
 789                 }
 790
 791
 792                 $o .= replace_macros($tpl,array(
 793
 794                         '$dest_url'     => $dest_url,
 795                         '$logout'       => t('Logout'),
 796                         '$login'        => t('Login'),
 797
 798                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 799                         '$lpassword'    => array('password', t('Password: '), '', ''),
 800
 801                         '$openid'               => !$noid,
 802                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 803
 804                         '$hiddens'      => $hiddens,
 805
 806                         '$register'     => $reg,
 807
 808                         '$lostpass'     => t('Forgot your password?'),
 809                         '$lostlink'     => t('Password Reset'),
 810                 ));
 811
 812                 call_hooks('login_hook',$o);
 813
 814                 return $o;
 815         }
 816 }
 817
 818 // Used to end the current process, after saving session state.
 819
 820 if(! function_exists('killme')) {
 821         function killme() {
 822                 session_write_close();
 823                 exit;
 824         }
 825 }
 826
 827 // redirect to another URL and terminate this process.
 828
 829 if(! function_exists('goaway')) {
 830         function goaway($s) {
 831                 header("Location: $s");
 832                 killme();
 833         }
 834 }
 835
 836
 837 // Returns the uid of locally logged in user or false.
 838
 839 if(! function_exists('local_user')) {
 840         function local_user() {
 841                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 842                         return intval($_SESSION['uid']);
 843                 return false;
 844         }
 845 }
 846
 847 // Returns contact id of authenticated site visitor or false
 848
 849 if(! function_exists('remote_user')) {
 850         function remote_user() {
 851                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 852                         return intval($_SESSION['visitor_id']);
 853                 return false;
 854         }
 855 }
 856
 857 // contents of $s are displayed prominently on the page the next time
 858 // a page is loaded. Usually used for errors or alerts.
 859
 860 if(! function_exists('notice')) {
 861         function notice($s) {
 862                 $a = get_app();
 863                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 864                 if($a->interactive)
 865                         $_SESSION['sysmsg'][] = $s;
 866         }
 867 }
 868 if(! function_exists('info')) {
 869         function info($s) {
 870                 $a = get_app();
 871                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 872                 if($a->interactive)
 873                         $_SESSION['sysmsg_info'][] = $s;
 874         }
 875 }
 876
 877
 878 // wrapper around config to limit the text length of an incoming message
 879
 880 if(! function_exists('get_max_import_size')) {
 881         function get_max_import_size() {
 882                 global $a;
 883                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 884         }
 885 }
 886
 887
 888
 889 /**
 890  *
 891  * Function : profile_load
 892  * @parameter App    $a
 893  * @parameter string $nickname
 894  * @parameter int    $profile
 895  *
 896  * Summary: Loads a profile into the page sidebar.
 897  * The function requires a writeable copy of the main App structure, and the nickname
 898  * of a registered local account.
 899  *
 900  * If the viewer is an authenticated remote viewer, the profile displayed is the
 901  * one that has been configured for his/her viewing in the Contact manager.
 902  * Passing a non-zero profile ID can also allow a preview of a selected profile
 903  * by the owner.
 904  *
 905  * Profile information is placed in the App structure for later retrieval.
 906  * Honours the owner's chosen theme for display.
 907  *
 908  */
 909
 910 if(! function_exists('profile_load')) {
 911         function profile_load(&$a, $nickname, $profile = 0) {
 912                 if(remote_user()) {
 913                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 914                                         intval($_SESSION['visitor_id']));
 915                         if(count($r))
 916                                 $profile = $r[0]['profile-id'];
 917                 }
 918
 919                 $r = null;
 920
 921                 if($profile) {
 922                         $profile_int = intval($profile);
 923                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 924                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 925                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 926                                         dbesc($nickname),
 927                                         intval($profile_int)
 928                         );
 929                 }
 930                 if((! $r) && (!  count($r))) {
 931                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 932                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 933                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 934                                         dbesc($nickname)
 935                         );
 936                 }
 937
 938                 if(($r === false) || (! count($r))) {
 939                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 940                         notice( t('Requested profile is not available.') . EOL );
 941                         $a->error = 404;
 942                         return;
 943                 }
 944
 945                 // fetch user tags if this isn't the default profile
 946
 947                 if(! $r[0]['is-default']) {
 948                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 949                                         intval($profile_uid)
 950                         );
 951                         if($x && count($x))
 952                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 953                 }
 954
 955                 $a->profile = $r[0];
 956
 957
 958                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 959                 $_SESSION['theme'] = $a->profile['theme'];
 960
 961                 /**
 962                  * load/reload current theme info
 963                  */
 964
 965                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
 966                 if (file_exists($theme_info_file)){
 967                         require_once($theme_info_file);
 968                 }
 969
 970                 if(! (x($a->page,'aside')))
 971                         $a->page['aside'] = '';
 972
 973                 if(local_user() && local_user() == $a->profile['uid']) {
 974                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
 975                                 '$editprofile' => t('Edit profile'),
 976                                 '$profid' => $a->profile['id']
 977                         ));
 978                 }
 979
 980                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
 981
 982                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
 983
 984                 /*if(! $block)
 985                  $a->page['aside'] .= contact_block();*/
 986
 987                 return;
 988         }
 989 }
 990
 991
 992 /**
 993  *
 994  * Function: profile_sidebar
 995  *
 996  * Formats a profile for display in the sidebar.
 997  * It is very difficult to templatise the HTML completely
 998  * because of all the conditional logic.
 999  *
1000  * @parameter: array $profile
1001  *
1002  * Returns HTML string stuitable for sidebar inclusion
1003  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1004  *
1005  */
1006
1007
1008 if(! function_exists('profile_sidebar')) {
1009         function profile_sidebar($profile, $block = 0) {
1010
1011                 $a = get_app();
1012
1013                 $o = '';
1014                 $location = false;
1015                 $address = false;
1016                 $pdesc = true;
1017
1018                 if((! is_array($profile)) && (! count($profile)))
1019                         return $o;
1020
1021                 $profile['picdate'] = urlencode($profile['picdate']);
1022
1023                 call_hooks('profile_sidebar_enter', $profile);
1024
1025
1026                 // don't show connect link to yourself
1027                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1028
1029                 // don't show connect link to authenticated visitors either
1030
1031                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1032                         $connect = False;
1033
1034                 if(get_my_url() && $profile['unkmail'])
1035                         $wallmessage = t('Message');
1036                 else
1037                         $wallmessage = false;
1038
1039
1040
1041                 // show edit profile to yourself
1042                 if ($profile['uid'] == local_user()) {
1043                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1044
1045                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1046                                         local_user());
1047
1048                         $profile['menu'] = array(
1049                                 'chg_photo' => t('Change profile photo'),
1050                                 'cr_new' => t('Create New Profile'),
1051                                 'entries' => array(),
1052                         );
1053
1054                         if(count($r)) {
1055
1056                                 foreach($r as $rr) {
1057                                         $profile['menu']['entries'][] = array(
1058                                                 'photo' => $rr['thumb'],
1059                                                 'id' => $rr['id'],
1060                                                 'alt' => t('Profile Image'),
1061                                                 'profile_name' => $rr['profile-name'],
1062                                                 'isdefault' => $rr['is-default'],
1063                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1064                                                 'edit_visibility' => t('Edit visibility'),
1065
1066                                         );
1067                                 }
1068
1069
1070                         }
1071
1072
1073                 }
1074
1075
1076
1077
1078                 if((x($profile,'address') == 1)
1079                                 || (x($profile,'locality') == 1)
1080                                 || (x($profile,'region') == 1)
1081                                 || (x($profile,'postal-code') == 1)
1082                                 || (x($profile,'country-name') == 1))
1083                         $location = t('Location:');
1084
1085                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1086
1087
1088                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1089
1090                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1091
1092                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1093                         $location = $pdesc = $gender = $marital = $homepage = False;
1094                 }
1095
1096                 $firstname = ((strpos($profile['name'],' '))
1097                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1098                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1099
1100                 $diaspora = array(
1101                         'podloc' => $a->get_baseurl(),
1102                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1103                         'nickname' => $profile['nickname'],
1104                         'fullname' => $profile['name'],
1105                         'firstname' => $firstname,
1106                         'lastname' => $lastname,
1107                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1108                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1109                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1110                 );
1111
1112                 if (!$block){
1113                         $contact_block = contact_block();
1114                 }
1115
1116
1117                 $tpl = get_markup_template('profile_vcard.tpl');
1118
1119                 $o .= replace_macros($tpl, array(
1120                         '$profile' => $profile,
1121                         '$connect'  => $connect,
1122                         '$wallmessage' => $wallmessage,
1123                         '$location' => template_escape($location),
1124                         '$gender'   => $gender,
1125                         '$pdesc'        => $pdesc,
1126                         '$marital'  => $marital,
1127                         '$homepage' => $homepage,
1128                         '$diaspora' => $diaspora,
1129                         '$contact_block' => $contact_block,
1130                 ));
1131
1132
1133                 $arr = array('profile' => &$profile, 'entry' => &$o);
1134
1135                 call_hooks('profile_sidebar', $arr);
1136
1137                 return $o;
1138         }
1139 }
1140
1141
1142 if(! function_exists('get_birthdays')) {
1143         function get_birthdays() {
1144
1145                 $a = get_app();
1146                 $o = '';
1147
1148                 if(! local_user())
1149                         return $o;
1150
1151                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1152                 $bd_short = t('F d');
1153
1154                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1155                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1156                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1157                                 ORDER BY `start` ASC ",
1158                                 intval(local_user()),
1159                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1160                                 dbesc(datetime_convert('UTC','UTC','now'))
1161                 );
1162
1163                 if($r && count($r)) {
1164                         $total = 0;
1165                         $now = strtotime('now');
1166                         $cids = array();
1167
1168                         $istoday = false;
1169                         foreach($r as $rr) {
1170                                 if(strlen($rr['name']))
1171                                         $total ++;
1172                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1173                                         $istoday = true;
1174                         }
1175                         $classtoday = $istoday ? ' birthday-today ' : '';
1176                         if($total) {
1177                                 $o .= '<div id="birthday-notice" class="birthday-notice fakelink' . $classtoday . '" onclick=openClose(\'birthday-wrapper\'); >' . t('Birthday Reminders') . ' ' . '(' . $total . ')' . '</div>';
1178                                 $o .= '<div id="birthday-wrapper" style="display: none;" ><div id="birthday-title">' . t('Birthdays this week:') . '</div>';
1179                                 $o .= '<div id="birthday-title-end"></div>';
1180
1181                                 foreach($r as $rr) {
1182                                         if(! strlen($rr['name']))
1183                                                 continue;
1184
1185                                         // avoid duplicates
1186
1187                                         if(in_array($rr['cid'],$cids))
1188                                                 continue;
1189                                         $cids[] = $rr['cid'];
1190
1191                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1192                                         $sparkle = '';
1193                                         $url = $rr['url'];
1194                                         if($rr['network'] === NETWORK_DFRN) {
1195                                                 $sparkle = " sparkle";
1196                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1197                                         }
1198
1199                                         $o .= '<div class="birthday-list" id="birthday-' . $rr['eid'] . '"><a class="birthday-link$sparkle" target="redir" href="'
1200                                         . $url . '">' . $rr['name'] . '</a> '
1201                                         . day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '')
1202                                         . '</div>' ;
1203                                 }
1204                                 $o .= '</div></div>';
1205                         }
1206                 }
1207                 return $o;
1208         }
1209 }
1210
1211
1212 if(! function_exists('get_events')) {
1213         function get_events() {
1214
1215                 require_once('include/bbcode.php');
1216
1217                 $a = get_app();
1218                 $o = '';
1219
1220                 if(! local_user())
1221                         return $o;
1222
1223                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1224                 $bd_short = t('F d');
1225
1226                 $r = q("SELECT `event`.* FROM `event`
1227                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1228                                 ORDER BY `start` ASC ",
1229                                 intval(local_user()),
1230                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1231                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1232                 );
1233
1234                 if($r && count($r)) {
1235                         $now = strtotime('now');
1236                         $istoday = false;
1237                         foreach($r as $rr) {
1238                                 if(strlen($rr['name']))
1239                                         $total ++;
1240
1241                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1242                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1243                                         $istoday = true;
1244                         }
1245                         $classtoday = (($istoday) ? ' event-today ' : '');
1246
1247                         $o .= '<div id="event-notice" class="birthday-notice fakelink' . $classtoday . '" onclick=openClose(\'event-wrapper\'); >' . t('Event Reminders') . ' ' . '(' . count($r) . ')' . '</div>';
1248                         $o .= '<div id="event-wrapper" style="display: none;" ><div id="event-title">' . t('Events this week:') . '</div>';
1249                         $o .= '<div id="event-title-end"></div>';
1250
1251                         foreach($r as $rr) {
1252
1253                                 if($rr['adjust'])
1254                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m\#\l\i\n\k\-j');
1255                                 else
1256                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m\#\l\i\n\k\-j');
1257
1258                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1259                                 if(! $title)
1260                                         $title = t('[No description]');
1261
1262                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1263                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1264
1265                                 $o .= '<div class="event-list" id="event-' . $rr['eid'] . '"></a> <a href="events/' . $md . '">' . $title . '</a>'
1266                                 . day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '')
1267                                 . '</div>' ;
1268                         }
1269                         $o .= '</div></div>';
1270                 }
1271
1272                 return $o;
1273         }
1274 }
1275
1276
1277 /**
1278  *
1279  * Wrap calls to proc_close(proc_open()) and call hook
1280  * so plugins can take part in process :)
1281  *
1282  * args:
1283  * $cmd program to run
1284  *  next args are passed as $cmd command line
1285  *
1286  * e.g.: proc_run("ls","-la","/tmp");
1287  *
1288  * $cmd and string args are surrounded with ""
1289  */
1290
1291 if(! function_exists('proc_run')) {
1292         function proc_run($cmd){
1293
1294                 $a = get_app();
1295
1296                 $args = func_get_args();
1297                 $arr = array('args' => $args, 'run_cmd' => true);
1298
1299                 call_hooks("proc_run", $arr);
1300                 if(! $arr['run_cmd'])
1301                         return;
1302
1303                 if(count($args) && $args[0] === 'php')
1304                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1305                 foreach ($args as $arg){
1306                         $arg = escapeshellarg($arg);
1307                 }
1308                 $cmdline = implode($args," ");
1309                 proc_close(proc_open($cmdline." &",array(),$foo));
1310         }
1311 }
1312
1313 if(! function_exists('current_theme')) {
1314         function current_theme(){
1315                 $app_base_themes = array('duepuntozero', 'loozah');
1316
1317                 $a = get_app();
1318
1319                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1320                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1321
1322                 if($theme_name &&
1323                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1324                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1325                         return($theme_name);
1326
1327                 foreach($app_base_themes as $t) {
1328                         if(file_exists('view/theme/' . $t . '/style.css')||
1329                                         file_exists('view/theme/' . $t . '/style.php'))
1330                                 return($t);
1331                 }
1332
1333                 $fallback = glob('view/theme/*/style.[css|php]');
1334                 if(count($fallback))
1335                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1336
1337         }
1338 }
1339
1340 /*
1341  * Return full URL to theme which is currently in effect.
1342 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1343 */
1344 if(! function_exists('current_theme_url')) {
1345         function current_theme_url() {
1346                 global $a;
1347                 $t = current_theme();
1348                 if (file_exists('view/theme/' . $t . '/style.php'))
1349                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1350                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1351         }
1352 }
1353
1354 if(! function_exists('feed_birthday')) {
1355         function feed_birthday($uid,$tz) {
1356
1357                 /**
1358                  *
1359                  * Determine the next birthday, but only if the birthday is published
1360                  * in the default profile. We _could_ also look for a private profile that the
1361                  * recipient can see, but somebody could get mad at us if they start getting
1362                  * public birthday greetings when they haven't made this info public.
1363                  *
1364                  * Assuming we are able to publish this info, we are then going to convert
1365                  * the start time from the owner's timezone to UTC.
1366                  *
1367                  * This will potentially solve the problem found with some social networks
1368                  * where birthdays are converted to the viewer's timezone and salutations from
1369                  * elsewhere in the world show up on the wrong day. We will convert it to the
1370                  * viewer's timezone also, but first we are going to convert it from the birthday
1371                  * person's timezone to GMT - so the viewer may find the birthday starting at
1372                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1373                  *
1374                  */
1375
1376
1377                 $birthday = '';
1378
1379                 if(! strlen($tz))
1380                         $tz = 'UTC';
1381
1382                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1383                                 intval($uid)
1384                 );
1385
1386                 if($p && count($p)) {
1387                         $tmp_dob = substr($p[0]['dob'],5);
1388                         if(intval($tmp_dob)) {
1389                                 $y = datetime_convert($tz,$tz,'now','Y');
1390                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1391                                 $t_dob = strtotime($bd);
1392                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1393                                 if($t_dob < $now)
1394                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1395                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1396                         }
1397                 }
1398
1399                 return $birthday;
1400         }
1401 }
1402
1403 if(! function_exists('is_site_admin')) {
1404         function is_site_admin() {
1405                 $a = get_app();
1406                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1407                         return true;
1408                 return false;
1409         }
1410 }
1411
1412
1413 if(! function_exists('load_contact_links')) {
1414         function load_contact_links($uid) {
1415
1416                 $a = get_app();
1417
1418                 $ret = array();
1419
1420                 if(! $uid || x($a->contacts,'empty'))
1421                         return;
1422
1423                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1424                                 intval($uid)
1425                 );
1426                 if(count($r)) {
1427                         foreach($r as $rr){
1428                                 $url = normalise_link($rr['url']);
1429                                 $ret[$url] = $rr;
1430                         }
1431                 }
1432                 else
1433                         $ret['empty'] = true;
1434                 $a->contacts = $ret;
1435                 return;
1436         }
1437 }
1438
1439 if(! function_exists('profile_tabs')){
1440         function profile_tabs($a, $is_owner=False, $nickname=Null){
1441                 //echo "<pre>"; var_dump($a->user); killme();
1442
1443                 if (is_null($nickname))
1444                         $nickname  = $a->user['nickname'];
1445
1446                 if(x($_GET,'tab'))
1447                         $tab = notags(trim($_GET['tab']));
1448
1449                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1450
1451                 $tabs = array(
1452                         array(
1453                                 'label'=>t('Status'),
1454                                 'url' => $url,
1455                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1456                         ),
1457                         array(
1458                                 'label' => t('Profile'),
1459                                 'url'   => $url.'/?tab=profile',
1460                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1461                         ),
1462                         array(
1463                                 'label' => t('Photos'),
1464                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1465                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1466                         ),
1467                 );
1468
1469                 if ($is_owner){
1470                         $tabs[] = array(
1471                                 'label' => t('Events'),
1472                                 'url'   => $a->get_baseurl() . '/events',
1473                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1474                         );
1475                         $tabs[] = array(
1476                                 'label' => t('Personal Notes'),
1477                                 'url'   => $a->get_baseurl() . '/notes',
1478                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1479                         );
1480                 }
1481
1482
1483                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1484                 call_hooks('profile_tabs', $arr);
1485
1486                 $tpl = get_markup_template('common_tabs.tpl');
1487
1488                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1489         }
1490 }
1491
1492 function get_my_url() {
1493         if(x($_SESSION,'my_url'))
1494                 return $_SESSION['my_url'];
1495         return false;
1496 }
1497
1498 function zrl($s,$force = false) {
1499         if(! strlen($s))
1500                 return $s;
1501         if((! strpos($s,'/profile/')) && (! $force))
1502                 return $s;
1503         if($force && substr($s,-1,1) !== '/')
1504                 $s = $s . '/';
1505         $achar = strpos($s,'?') ? '&' : '?';
1506         $mine = get_my_url();
1507         if($mine and ! link_compare($mine,$s))
1508                 return $s . $achar . 'zrl=' . urlencode($mine);
1509         return $s;
1510 }