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',      '2.3.1309' );
  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
 210 /**
 211  * item weight for query ordering
 212  */
 213
 214 define ( 'GRAVITY_PARENT',       0);
 215 define ( 'GRAVITY_LIKE',         3);
 216 define ( 'GRAVITY_COMMENT',      6);
 217
 218 /**
 219  *
 220  * Reverse the effect of magic_quotes_gpc if it is enabled.
 221  * Please disable magic_quotes_gpc so we don't have to do this.
 222  * See http://php.net/manual/en/security.magicquotes.disabling.php
 223  *
 224  */
 225
 226 function startup() {
 227         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 228         set_time_limit(0);
 229
 230         // This has to be quite large to deal with embedded private photos
 231         ini_set('pcre.backtrack_limit', 500000);
 232
 233
 234         if (get_magic_quotes_gpc()) {
 235                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 236                 while (list($key, $val) = each($process)) {
 237                         foreach ($val as $k => $v) {
 238                                 unset($process[$key][$k]);
 239                                 if (is_array($v)) {
 240                                         $process[$key][stripslashes($k)] = $v;
 241                                         $process[] = &$process[$key][stripslashes($k)];
 242                                 } else {
 243                                         $process[$key][stripslashes($k)] = stripslashes($v);
 244                                 }
 245                         }
 246                 }
 247                 unset($process);
 248         }
 249
 250 }
 251
 252 /**
 253  *
 254  * class: App
 255  *
 256  * Our main application structure for the life of this page
 257  * Primarily deals with the URL that got us here
 258  * and tries to make some sense of it, and
 259  * stores our page contents and config storage
 260  * and anything else that might need to be passed around
 261  * before we spit the page out.
 262  *
 263  */
 264
 265 if(! class_exists('App')) {
 266         class App {
 267
 268                 public  $module_loaded = false;
 269                 public  $query_string;
 270                 public  $config;
 271                 public  $page;
 272                 public  $profile;
 273                 public  $user;
 274                 public  $cid;
 275                 public  $contact;
 276                 public  $contacts;
 277                 public  $page_contact;
 278                 public  $content;
 279                 public  $data = array();
 280                 public  $error = false;
 281                 public  $cmd;
 282                 public  $argv;
 283                 public  $argc;
 284                 public  $module;
 285                 public  $pager;
 286                 public  $strings;
 287                 public  $path;
 288                 public  $hooks;
 289                 public  $timezone;
 290                 public  $interactive = true;
 291                 public  $plugins;
 292                 public  $apps = array();
 293                 public  $identities;
 294
 295                 public $nav_sel;
 296
 297                 public $category;
 298
 299                 private $scheme;
 300                 private $hostname;
 301                 private $baseurl;
 302                 private $db;
 303
 304                 private $curl_code;
 305                 private $curl_headers;
 306
 307                 function __construct() {
 308
 309                         $this->config = array();
 310                         $this->page = array();
 311                         $this->pager= array();
 312
 313                         $this->query_string = '';
 314
 315                         startup();
 316
 317                         $this->scheme = 'http';
 318                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 319                                 $this->scheme = 'https';
 320                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 321                         $this->scheme = 'https';
 322
 323
 324                         if(x($_SERVER,'SERVER_NAME')) {
 325                                 $this->hostname = $_SERVER['SERVER_NAME'];
 326                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 327                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 328                                 /**
 329                                  * Figure out if we are running at the top of a domain
 330                                  * or in a sub-directory and adjust accordingly
 331                                  */
 332
 333                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 334                                 if(isset($path) && strlen($path) && ($path != $this->path))
 335                                         $this->path = $path;
 336                         }
 337
 338                         set_include_path(
 339                                         "include/$this->hostname" . PATH_SEPARATOR
 340                                         . 'include' . PATH_SEPARATOR
 341                                         . 'library' . PATH_SEPARATOR
 342                                         . 'library/phpsec' . PATH_SEPARATOR
 343                                         . '.' );
 344
 345                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 346                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 347                                 // removing trailing / - maybe a nginx problem
 348                                 if (substr($this->query_string, 0, 1) == "/")
 349                                         $this->query_string = substr($this->query_string, 1);
 350                         }
 351                         if(x($_GET,'q'))
 352                                 $this->cmd = trim($_GET['q'],'/\\');
 353
 354                         // unix style "homedir"
 355
 356                         if(substr($this->cmd,0,1) === '~')
 357                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 358
 359                         // Diaspora style profile url
 360
 361                         if(substr($this->cmd,0,2) === 'u/')
 362                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 363
 364                         /**
 365                          *
 366                          * Break the URL path into C style argc/argv style arguments for our
 367                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 368                          * will be 3 (integer) and $this->argv will contain:
 369                          *   [0] => 'module'
 370                          *   [1] => 'arg1'
 371                          *   [2] => 'arg2'
 372                          *
 373                          *
 374                          * There will always be one argument. If provided a naked domain
 375                          * URL, $this->argv[0] is set to "home".
 376                          *
 377                          */
 378
 379                         $this->argv = explode('/',$this->cmd);
 380                         $this->argc = count($this->argv);
 381                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 382                                 $this->module = str_replace(".", "_", $this->argv[0]);
 383                                 if(array_key_exists('2',$this->argv)) {
 384                                         $this->category = $this->argv[2];
 385                                 }
 386                         }
 387                         else {
 388                                 $this->argc = 1;
 389                                 $this->argv = array('home');
 390                                 $this->module = 'home';
 391                         }
 392
 393                         /**
 394                          * Special handling for the webfinger/lrdd host XRD file
 395                          */
 396
 397                         if($this->cmd === '.well-known/host-meta') {
 398                                 $this->argc = 1;
 399                                 $this->argv = array('hostxrd');
 400                                 $this->module = 'hostxrd';
 401                         }
 402
 403                         /**
 404                          * See if there is any page number information, and initialise
 405                          * pagination
 406                          */
 407
 408                         $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 409                         $this->pager['itemspage'] = 50;
 410                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 411                         $this->pager['total'] = 0;
 412                 }
 413
 414                 function get_baseurl($ssl = false) {
 415
 416                         $scheme = $this->scheme;
 417
 418                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 419                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 420                                         $scheme = 'https';
 421
 422                                 //                      We need to populate the $ssl flag across the entire program before turning this on.
 423                                 //                      Basically, we'll have $ssl = true on any links which can only be seen by a logged in user
 424                                 //                      (and also the login link). Anything seen by an outsider will have it turned off.
 425                                 //                      At present, setting SSL_POLICY_SELFSIGN will only force remote contacts to update their
 426                                 //                      contact links to this site with "http:" if they are currently using "https:"
 427
 428                                 //                      if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 429                                 //                              if($ssl)
 430                                 //                                      $scheme = 'https';
 431                                 //                              else
 432                                 //                                      $scheme = 'http';
 433                                         //                      }
 434                 }
 435
 436                                 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 437                                 return $this->baseurl;
 438                 }
 439
 440                 function set_baseurl($url) {
 441                         $parsed = @parse_url($url);
 442
 443                         $this->baseurl = $url;
 444
 445                         if($parsed) {
 446                                 $this->scheme = $parsed['scheme'];
 447
 448                                 $this->hostname = $parsed['host'];
 449                                 if(x($parsed,'port'))
 450                                         $this->hostname .= ':' . $parsed['port'];
 451                                 if(x($parsed,'path'))
 452                                         $this->path = trim($parsed['path'],'\\/');
 453                         }
 454
 455                 }
 456
 457                 function get_hostname() {
 458                         return $this->hostname;
 459                 }
 460
 461                 function set_hostname($h) {
 462                         $this->hostname = $h;
 463                 }
 464
 465                 function set_path($p) {
 466                         $this->path = trim(trim($p),'/');
 467                 }
 468
 469                 function get_path() {
 470                         return $this->path;
 471                 }
 472
 473                 function set_pager_total($n) {
 474                         $this->pager['total'] = intval($n);
 475                 }
 476
 477                 function set_pager_itemspage($n) {
 478                         $this->pager['itemspage'] = intval($n);
 479                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 480
 481                 }
 482
 483                 function init_pagehead() {
 484                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 485                         if($interval < 10000)
 486                                 $interval = 40000;
 487
 488                         $this->page['title'] = $this->config['sitename'];
 489                         $tpl = file_get_contents('view/head.tpl');
 490                         $this->page['htmlhead'] = replace_macros($tpl,array(
 491                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 492                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 493                                 '$delitem' => t('Delete this item?'),
 494                                 '$comment' => t('Comment'),
 495                                 '$showmore' => t('show more'),
 496                                 '$showfewer' => t('show fewer'),
 497                                 '$update_interval' => $interval
 498                         ));
 499                 }
 500
 501                 function set_curl_code($code) {
 502                         $this->curl_code = $code;
 503                 }
 504
 505                 function get_curl_code() {
 506                         return $this->curl_code;
 507                 }
 508
 509                 function set_curl_headers($headers) {
 510                         $this->curl_headers = $headers;
 511                 }
 512
 513                 function get_curl_headers() {
 514                         return $this->curl_headers;
 515                 }
 516
 517
 518         }
 519 }
 520
 521 // retrieve the App structure
 522 // useful in functions which require it but don't get it passed to them
 523
 524 if(! function_exists('get_app')) {
 525         function get_app() {
 526                 global $a;
 527                 return $a;
 528         }
 529 };
 530
 531
 532 // Multi-purpose function to check variable state.
 533 // Usage: x($var) or $x($array,'key')
 534 // returns false if variable/key is not set
 535 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 536 // e.g. x('') or x(0) returns 0;
 537
 538 if(! function_exists('x')) {
 539         function x($s,$k = NULL) {
 540                 if($k != NULL) {
 541                         if((is_array($s)) && (array_key_exists($k,$s))) {
 542                                 if($s[$k])
 543                                         return (int) 1;
 544                                 return (int) 0;
 545                 }
 546                         return false;
 547                 }
 548                 else {
 549                         if(isset($s)) {
 550                                 if($s) {
 551                                         return (int) 1;
 552                                 }
 553                                 return (int) 0;
 554                         }
 555                         return false;
 556                 }
 557         }
 558 }
 559
 560 // called from db initialisation if db is dead.
 561
 562 if(! function_exists('system_unavailable')) {
 563         function system_unavailable() {
 564                 include('system_unavailable.php');
 565                 system_down();
 566                 killme();
 567         }
 568 }
 569
 570
 571
 572 function clean_urls() {
 573         global $a;
 574         //      if($a->config['system']['clean_urls'])
 575         return true;
 576         //      return false;
 577 }
 578
 579 function z_path() {
 580         global $a;
 581         $base = $a->get_baseurl();
 582         if(! clean_urls())
 583                 $base .= '/?q=';
 584         return $base;
 585 }
 586
 587 function z_root() {
 588         global $a;
 589         return $a->get_baseurl();
 590 }
 591
 592 function absurl($path) {
 593         if(strpos($path,'/') === 0)
 594                 return z_path() . $path;
 595         return $path;
 596 }
 597
 598 function is_ajax() {
 599         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 600 }
 601
 602
 603 // Primarily involved with database upgrade, but also sets the
 604 // base url for use in cmdline programs which don't have
 605 // $_SERVER variables, and synchronising the state of installed plugins.
 606
 607
 608 if(! function_exists('check_config')) {
 609         function check_config(&$a) {
 610
 611                 $build = get_config('system','build');
 612                 if(! x($build))
 613                         $build = set_config('system','build',DB_UPDATE_VERSION);
 614
 615                 $url = get_config('system','url');
 616
 617                 // if the url isn't set or the stored url is radically different
 618                 // than the currently visited url, store the current value accordingly.
 619                 // "Radically different" ignores common variations such as http vs https
 620                 // and www.example.com vs example.com.
 621
 622                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 623                         $url = set_config('system','url',$a->get_baseurl());
 624
 625                 if($build != DB_UPDATE_VERSION) {
 626                         $stored = intval($build);
 627                         $current = intval(DB_UPDATE_VERSION);
 628                         if(($stored < $current) && file_exists('update.php')) {
 629
 630                                 load_config('database');
 631
 632                                 // We're reporting a different version than what is currently installed.
 633                                 // Run any existing update scripts to bring the database up to current.
 634
 635                                 require_once('update.php');
 636
 637                                 // make sure that boot.php and update.php are the same release, we might be
 638                                 // updating right this very second and the correct version of the update.php
 639                                 // file may not be here yet. This can happen on a very busy site.
 640
 641                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 642
 643                                         for($x = $stored; $x < $current; $x ++) {
 644                                                 if(function_exists('update_' . $x)) {
 645
 646                                                         // There could be a lot of processes running or about to run.
 647                                                         // We want exactly one process to run the update command.
 648                                                         // So store the fact that we're taking responsibility
 649                                                         // after first checking to see if somebody else already has.
 650
 651                                                         // If the update fails or times-out completely you may need to
 652                                                         // delete the config entry to try again.
 653
 654                                                         if(get_config('database','update_' . $x))
 655                                                                 break;
 656                                                         set_config('database','update_' . $x, '1');
 657
 658                                                         // call the specific update
 659
 660 //                                                      global $db;
 661 //                                                      $db->excep(TRUE);
 662 //                                                      try {
 663 //                                                              $db->beginTransaction();
 664                                                                 $func = 'update_' . $x;
 665                                                                 $func($a);
 666 //                                                              $db->commit();
 667 //                                                      } catch(Exception $ex) {
 668 //                                                              $db->rollback();
 669 //                                                              //send the administrator an e-mail
 670 //                                                              $email_tpl = get_intltext_template("update_fail_eml.tpl");
 671 //                                                              $email_tpl = replace_macros($email_tpl, array(
 672 //                                                                      '$sitename' => $a->config['sitename'],
 673 //                                                                      '$siteurl' =>  $a->get_baseurl(),
 674 //                                                                      '$update' => $x,
 675 //                                                                      '$error' => $ex->getMessage()));
 676 //                                                              $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 677
 678 //                                                              mail($a->config['admin_email'], $subject, $text,
 679 //                                                                              'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 680 //                                                                              . 'Content-type: text/plain; charset=UTF-8' . "\n"
 681 //                                                                              . 'Content-transfer-encoding: 8bit' );
 682 //                                                              //try the logger
 683 //                                                              logger('update failed: '.$ex->getMessage().EOL);
 684 //                                                      }
 685 //                                                      $db->excep(FALSE);
 686                                                 }
 687                                         }
 688                                         set_config('system','build', DB_UPDATE_VERSION);
 689                                 }
 690                         }
 691                 }
 692
 693                 /**
 694                  *
 695                  * Synchronise plugins:
 696                  *
 697                  * $a->config['system']['addon'] contains a comma-separated list of names
 698                  * of plugins/addons which are used on this system.
 699                  * Go through the database list of already installed addons, and if we have
 700                  * an entry, but it isn't in the config list, call the uninstall procedure
 701                  * and mark it uninstalled in the database (for now we'll remove it).
 702                  * Then go through the config list and if we have a plugin that isn't installed,
 703                  * call the install procedure and add it to the database.
 704                  *
 705                  */
 706
 707                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 708                 if(count($r))
 709                         $installed = $r;
 710                 else
 711                         $installed = array();
 712
 713                 $plugins = get_config('system','addon');
 714                 $plugins_arr = array();
 715
 716                 if($plugins)
 717                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 718
 719                 $a->plugins = $plugins_arr;
 720
 721                 $installed_arr = array();
 722
 723                 if(count($installed)) {
 724                         foreach($installed as $i) {
 725                                 if(! in_array($i['name'],$plugins_arr)) {
 726                                         uninstall_plugin($i['name']);
 727                         }
 728                                 else
 729                                         $installed_arr[] = $i['name'];
 730                         }
 731                 }
 732
 733                 if(count($plugins_arr)) {
 734                         foreach($plugins_arr as $p) {
 735                                 if(! in_array($p,$installed_arr)) {
 736                                         install_plugin($p);
 737                                 }
 738                         }
 739                 }
 740
 741
 742                 load_hooks();
 743
 744                 return;
 745         }
 746 }
 747
 748
 749 function get_guid($size=16) {
 750         $exists = true; // assume by default that we don't have a unique guid
 751         do {
 752                 $s = random_string($size);
 753                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 754                 if(! count($r))
 755                         $exists = false;
 756         } while($exists);
 757         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 758         return $s;
 759 }
 760
 761
 762 // wrapper for adding a login box. If $register == true provide a registration
 763 // link. This will most always depend on the value of $a->config['register_policy'].
 764 // returns the complete html for inserting into the page
 765
 766 if(! function_exists('login')) {
 767         function login($register = false, $hiddens=false) {
 768                 $a = get_app();
 769                 $o = "";
 770                 $reg = false;
 771                 if ($register) {
 772                         $reg = array(
 773                                 'title' => t('Create a New Account'),
 774                                 'desc' => t('Register')
 775                         );
 776                 }
 777
 778                 $noid = get_config('system','no_openid');
 779
 780                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 781
 782                 if(local_user()) {
 783                         $tpl = get_markup_template("logout.tpl");
 784                 }
 785                 else {
 786                         $tpl = get_markup_template("login.tpl");
 787                         $_SESSION['return_url'] = $a->query_string;
 788                 }
 789
 790
 791                 $o .= replace_macros($tpl,array(
 792
 793                         '$dest_url'     => $dest_url,
 794                         '$logout'       => t('Logout'),
 795                         '$login'        => t('Login'),
 796
 797                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 798                         '$lpassword'    => array('password', t('Password: '), '', ''),
 799
 800                         '$openid'               => !$noid,
 801                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 802
 803                         '$hiddens'      => $hiddens,
 804
 805                         '$register'     => $reg,
 806
 807                         '$lostpass'     => t('Forgot your password?'),
 808                         '$lostlink'     => t('Password Reset'),
 809                 ));
 810
 811                 call_hooks('login_hook',$o);
 812
 813                 return $o;
 814         }
 815 }
 816
 817 // Used to end the current process, after saving session state.
 818
 819 if(! function_exists('killme')) {
 820         function killme() {
 821                 session_write_close();
 822                 exit;
 823         }
 824 }
 825
 826 // redirect to another URL and terminate this process.
 827
 828 if(! function_exists('goaway')) {
 829         function goaway($s) {
 830                 header("Location: $s");
 831                 killme();
 832         }
 833 }
 834
 835
 836 // Returns the uid of locally logged in user or false.
 837
 838 if(! function_exists('local_user')) {
 839         function local_user() {
 840                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 841                         return intval($_SESSION['uid']);
 842                 return false;
 843         }
 844 }
 845
 846 // Returns contact id of authenticated site visitor or false
 847
 848 if(! function_exists('remote_user')) {
 849         function remote_user() {
 850                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 851                         return intval($_SESSION['visitor_id']);
 852                 return false;
 853         }
 854 }
 855
 856 // contents of $s are displayed prominently on the page the next time
 857 // a page is loaded. Usually used for errors or alerts.
 858
 859 if(! function_exists('notice')) {
 860         function notice($s) {
 861                 $a = get_app();
 862                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 863                 if($a->interactive)
 864                         $_SESSION['sysmsg'][] = $s;
 865         }
 866 }
 867 if(! function_exists('info')) {
 868         function info($s) {
 869                 $a = get_app();
 870                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 871                 if($a->interactive)
 872                         $_SESSION['sysmsg_info'][] = $s;
 873         }
 874 }
 875
 876
 877 // wrapper around config to limit the text length of an incoming message
 878
 879 if(! function_exists('get_max_import_size')) {
 880         function get_max_import_size() {
 881                 global $a;
 882                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 883         }
 884 }
 885
 886
 887
 888 /**
 889  *
 890  * Function : profile_load
 891  * @parameter App    $a
 892  * @parameter string $nickname
 893  * @parameter int    $profile
 894  *
 895  * Summary: Loads a profile into the page sidebar.
 896  * The function requires a writeable copy of the main App structure, and the nickname
 897  * of a registered local account.
 898  *
 899  * If the viewer is an authenticated remote viewer, the profile displayed is the
 900  * one that has been configured for his/her viewing in the Contact manager.
 901  * Passing a non-zero profile ID can also allow a preview of a selected profile
 902  * by the owner.
 903  *
 904  * Profile information is placed in the App structure for later retrieval.
 905  * Honours the owner's chosen theme for display.
 906  *
 907  */
 908
 909 if(! function_exists('profile_load')) {
 910         function profile_load(&$a, $nickname, $profile = 0) {
 911                 if(remote_user()) {
 912                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 913                                         intval($_SESSION['visitor_id']));
 914                         if(count($r))
 915                                 $profile = $r[0]['profile-id'];
 916                 }
 917
 918                 $r = null;
 919
 920                 if($profile) {
 921                         $profile_int = intval($profile);
 922                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 923                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 924                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 925                                         dbesc($nickname),
 926                                         intval($profile_int)
 927                         );
 928                 }
 929                 if((! $r) && (!  count($r))) {
 930                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 931                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 932                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 933                                         dbesc($nickname)
 934                         );
 935                 }
 936
 937                 if(($r === false) || (! count($r))) {
 938                         notice( t('Requested profile is not available.') . EOL );
 939                         $a->error = 404;
 940                         return;
 941                 }
 942
 943                 // fetch user tags if this isn't the default profile
 944
 945                 if(! $r[0]['is-default']) {
 946                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 947                                         intval($profile_uid)
 948                         );
 949                         if($x && count($x))
 950                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 951                 }
 952
 953                 $a->profile = $r[0];
 954
 955
 956                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 957                 $_SESSION['theme'] = $a->profile['theme'];
 958
 959                 /**
 960                  * load/reload current theme info
 961                  */
 962
 963                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
 964                 if (file_exists($theme_info_file)){
 965                         require_once($theme_info_file);
 966                 }
 967
 968                 if(! (x($a->page,'aside')))
 969                         $a->page['aside'] = '';
 970
 971                 if(local_user() && local_user() == $a->profile['uid']) {
 972                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
 973                                 '$editprofile' => t('Edit profile'),
 974                                 '$profid' => $a->profile['id']
 975                         ));
 976                 }
 977
 978                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
 979
 980                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
 981
 982                 /*if(! $block)
 983                  $a->page['aside'] .= contact_block();*/
 984
 985                 return;
 986         }
 987 }
 988
 989
 990 /**
 991  *
 992  * Function: profile_sidebar
 993  *
 994  * Formats a profile for display in the sidebar.
 995  * It is very difficult to templatise the HTML completely
 996  * because of all the conditional logic.
 997  *
 998  * @parameter: array $profile
 999  *
1000  * Returns HTML string stuitable for sidebar inclusion
1001  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1002  *
1003  */
1004
1005
1006 if(! function_exists('profile_sidebar')) {
1007         function profile_sidebar($profile, $block = 0) {
1008
1009                 $a = get_app();
1010
1011                 $o = '';
1012                 $location = false;
1013                 $address = false;
1014                 $pdesc = true;
1015
1016                 if((! is_array($profile)) && (! count($profile)))
1017                         return $o;
1018
1019                 $profile['picdate'] = urlencode($profile['picdate']);
1020
1021                 call_hooks('profile_sidebar_enter', $profile);
1022
1023
1024                 // don't show connect link to yourself
1025                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1026
1027                 // don't show connect link to authenticated visitors either
1028
1029                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1030                         $connect = False;
1031
1032                 if(get_my_url() && $profile['unkmail'])
1033                         $wallmessage = t('Message');
1034                 else
1035                         $wallmessage = false;
1036
1037
1038
1039                 // show edit profile to yourself
1040                 if ($profile['uid'] == local_user()) {
1041                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1042
1043                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1044                                         local_user());
1045
1046                         $profile['menu'] = array(
1047                                 'chg_photo' => t('Change profile photo'),
1048                                 'cr_new' => t('Create New Profile'),
1049                                 'entries' => array(),
1050                         );
1051
1052                         if(count($r)) {
1053
1054                                 foreach($r as $rr) {
1055                                         $profile['menu']['entries'][] = array(
1056                                                 'photo' => $rr['thumb'],
1057                                                 'id' => $rr['id'],
1058                                                 'alt' => t('Profile Image'),
1059                                                 'profile_name' => $rr['profile-name'],
1060                                                 'isdefault' => $rr['is-default'],
1061                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1062                                                 'edit_visibility' => t('Edit visibility'),
1063
1064                                         );
1065                                 }
1066
1067
1068                         }
1069
1070
1071                 }
1072
1073
1074
1075
1076                 if((x($profile,'address') == 1)
1077                                 || (x($profile,'locality') == 1)
1078                                 || (x($profile,'region') == 1)
1079                                 || (x($profile,'postal-code') == 1)
1080                                 || (x($profile,'country-name') == 1))
1081                         $location = t('Location:');
1082
1083                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1084
1085
1086                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1087
1088                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1089
1090                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1091                         $location = $pdesc = $gender = $marital = $homepage = False;
1092                 }
1093
1094                 $firstname = ((strpos($profile['name'],' '))
1095                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1096                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1097
1098                 $diaspora = array(
1099                         'podloc' => $a->get_baseurl(),
1100                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1101                         'nickname' => $profile['nickname'],
1102                         'fullname' => $profile['name'],
1103                         'firstname' => $firstname,
1104                         'lastname' => $lastname,
1105                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1106                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1107                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1108                 );
1109
1110                 if (!$block){
1111                         $contact_block = contact_block();
1112                 }
1113
1114
1115                 $tpl = get_markup_template('profile_vcard.tpl');
1116
1117                 $o .= replace_macros($tpl, array(
1118                         '$profile' => $profile,
1119                         '$connect'  => $connect,
1120                         '$wallmessage' => $wallmessage,
1121                         '$location' => template_escape($location),
1122                         '$gender'   => $gender,
1123                         '$pdesc'        => $pdesc,
1124                         '$marital'  => $marital,
1125                         '$homepage' => $homepage,
1126                         '$diaspora' => $diaspora,
1127                         '$contact_block' => $contact_block,
1128                 ));
1129
1130
1131                 $arr = array('profile' => &$profile, 'entry' => &$o);
1132
1133                 call_hooks('profile_sidebar', $arr);
1134
1135                 return $o;
1136         }
1137 }
1138
1139
1140 if(! function_exists('get_birthdays')) {
1141         function get_birthdays() {
1142
1143                 $a = get_app();
1144                 $o = '';
1145
1146                 if(! local_user())
1147                         return $o;
1148
1149                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1150                 $bd_short = t('F d');
1151
1152                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1153                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1154                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1155                                 ORDER BY `start` ASC ",
1156                                 intval(local_user()),
1157                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1158                                 dbesc(datetime_convert('UTC','UTC','now'))
1159                 );
1160
1161                 if($r && count($r)) {
1162                         $total = 0;
1163                         $now = strtotime('now');
1164                         $cids = array();
1165
1166                         $istoday = false;
1167                         foreach($r as $rr) {
1168                                 if(strlen($rr['name']))
1169                                         $total ++;
1170                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1171                                         $istoday = true;
1172                         }
1173                         $classtoday = $istoday ? ' birthday-today ' : '';
1174                         if($total) {
1175                                 $o .= '<div id="birthday-notice" class="birthday-notice fakelink' . $classtoday . '" onclick=openClose(\'birthday-wrapper\'); >' . t('Birthday Reminders') . ' ' . '(' . $total . ')' . '</div>';
1176                                 $o .= '<div id="birthday-wrapper" style="display: none;" ><div id="birthday-title">' . t('Birthdays this week:') . '</div>';
1177                                 $o .= '<div id="birthday-title-end"></div>';
1178
1179                                 foreach($r as $rr) {
1180                                         if(! strlen($rr['name']))
1181                                                 continue;
1182
1183                                         // avoid duplicates
1184
1185                                         if(in_array($rr['cid'],$cids))
1186                                                 continue;
1187                                         $cids[] = $rr['cid'];
1188
1189                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1190                                         $sparkle = '';
1191                                         $url = $rr['url'];
1192                                         if($rr['network'] === NETWORK_DFRN) {
1193                                                 $sparkle = " sparkle";
1194                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1195                                         }
1196
1197                                         $o .= '<div class="birthday-list" id="birthday-' . $rr['eid'] . '"><a class="birthday-link$sparkle" target="redir" href="'
1198                                         . $url . '">' . $rr['name'] . '</a> '
1199                                         . day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '')
1200                                         . '</div>' ;
1201                                 }
1202                                 $o .= '</div></div>';
1203                         }
1204                 }
1205                 return $o;
1206         }
1207 }
1208
1209
1210 if(! function_exists('get_events')) {
1211         function get_events() {
1212
1213                 require_once('include/bbcode.php');
1214
1215                 $a = get_app();
1216                 $o = '';
1217
1218                 if(! local_user())
1219                         return $o;
1220
1221                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1222                 $bd_short = t('F d');
1223
1224                 $r = q("SELECT `event`.* FROM `event`
1225                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1226                                 ORDER BY `start` ASC ",
1227                                 intval(local_user()),
1228                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1229                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1230                 );
1231
1232                 if($r && count($r)) {
1233                         $now = strtotime('now');
1234                         $istoday = false;
1235                         foreach($r as $rr) {
1236                                 if(strlen($rr['name']))
1237                                         $total ++;
1238
1239                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1240                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1241                                         $istoday = true;
1242                         }
1243                         $classtoday = (($istoday) ? ' event-today ' : '');
1244
1245                         $o .= '<div id="event-notice" class="birthday-notice fakelink' . $classtoday . '" onclick=openClose(\'event-wrapper\'); >' . t('Event Reminders') . ' ' . '(' . count($r) . ')' . '</div>';
1246                         $o .= '<div id="event-wrapper" style="display: none;" ><div id="event-title">' . t('Events this week:') . '</div>';
1247                         $o .= '<div id="event-title-end"></div>';
1248
1249                         foreach($r as $rr) {
1250
1251                                 if($rr['adjust'])
1252                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m\#\l\i\n\k\-j');
1253                                 else
1254                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m\#\l\i\n\k\-j');
1255
1256                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1257                                 if(! $title)
1258                                         $title = t('[No description]');
1259
1260                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1261                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1262
1263                                 $o .= '<div class="event-list" id="event-' . $rr['eid'] . '"></a> <a href="events/' . $md . '">' . $title . '</a>'
1264                                 . day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '')
1265                                 . '</div>' ;
1266                         }
1267                         $o .= '</div></div>';
1268                 }
1269
1270                 return $o;
1271         }
1272 }
1273
1274
1275 /**
1276  *
1277  * Wrap calls to proc_close(proc_open()) and call hook
1278  * so plugins can take part in process :)
1279  *
1280  * args:
1281  * $cmd program to run
1282  *  next args are passed as $cmd command line
1283  *
1284  * e.g.: proc_run("ls","-la","/tmp");
1285  *
1286  * $cmd and string args are surrounded with ""
1287  */
1288
1289 if(! function_exists('proc_run')) {
1290         function proc_run($cmd){
1291
1292                 $a = get_app();
1293
1294                 $args = func_get_args();
1295                 $arr = array('args' => $args, 'run_cmd' => true);
1296
1297                 call_hooks("proc_run", $arr);
1298                 if(! $arr['run_cmd'])
1299                         return;
1300
1301                 if(count($args) && $args[0] === 'php')
1302                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1303                 foreach ($args as $arg){
1304                         $arg = escapeshellarg($arg);
1305                 }
1306                 $cmdline = implode($args," ");
1307                 proc_close(proc_open($cmdline." &",array(),$foo));
1308         }
1309 }
1310
1311 if(! function_exists('current_theme')) {
1312         function current_theme(){
1313                 $app_base_themes = array('duepuntozero', 'loozah');
1314
1315                 $a = get_app();
1316
1317                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1318                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1319
1320                 if($theme_name &&
1321                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1322                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1323                         return($theme_name);
1324
1325                 foreach($app_base_themes as $t) {
1326                         if(file_exists('view/theme/' . $t . '/style.css')||
1327                                         file_exists('view/theme/' . $t . '/style.php'))
1328                                 return($t);
1329                 }
1330
1331                 $fallback = glob('view/theme/*/style.[css|php]');
1332                 if(count($fallback))
1333                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1334
1335         }
1336 }
1337
1338 /*
1339  * Return full URL to theme which is currently in effect.
1340 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1341 */
1342 if(! function_exists('current_theme_url')) {
1343         function current_theme_url() {
1344                 global $a;
1345                 $t = current_theme();
1346                 if (file_exists('view/theme/' . $t . '/style.php'))
1347                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1348                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1349         }
1350 }
1351
1352 if(! function_exists('feed_birthday')) {
1353         function feed_birthday($uid,$tz) {
1354
1355                 /**
1356                  *
1357                  * Determine the next birthday, but only if the birthday is published
1358                  * in the default profile. We _could_ also look for a private profile that the
1359                  * recipient can see, but somebody could get mad at us if they start getting
1360                  * public birthday greetings when they haven't made this info public.
1361                  *
1362                  * Assuming we are able to publish this info, we are then going to convert
1363                  * the start time from the owner's timezone to UTC.
1364                  *
1365                  * This will potentially solve the problem found with some social networks
1366                  * where birthdays are converted to the viewer's timezone and salutations from
1367                  * elsewhere in the world show up on the wrong day. We will convert it to the
1368                  * viewer's timezone also, but first we are going to convert it from the birthday
1369                  * person's timezone to GMT - so the viewer may find the birthday starting at
1370                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1371                  *
1372                  */
1373
1374
1375                 $birthday = '';
1376
1377                 if(! strlen($tz))
1378                         $tz = 'UTC';
1379
1380                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1381                                 intval($uid)
1382                 );
1383
1384                 if($p && count($p)) {
1385                         $tmp_dob = substr($p[0]['dob'],5);
1386                         if(intval($tmp_dob)) {
1387                                 $y = datetime_convert($tz,$tz,'now','Y');
1388                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1389                                 $t_dob = strtotime($bd);
1390                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1391                                 if($t_dob < $now)
1392                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1393                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1394                         }
1395                 }
1396
1397                 return $birthday;
1398         }
1399 }
1400
1401 if(! function_exists('is_site_admin')) {
1402         function is_site_admin() {
1403                 $a = get_app();
1404                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1405                         return true;
1406                 return false;
1407         }
1408 }
1409
1410
1411 if(! function_exists('load_contact_links')) {
1412         function load_contact_links($uid) {
1413
1414                 $a = get_app();
1415
1416                 $ret = array();
1417
1418                 if(! $uid || x($a->contacts,'empty'))
1419                         return;
1420
1421                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1422                                 intval($uid)
1423                 );
1424                 if(count($r)) {
1425                         foreach($r as $rr){
1426                                 $url = normalise_link($rr['url']);
1427                                 $ret[$url] = $rr;
1428                         }
1429                 }
1430                 else
1431                         $ret['empty'] = true;
1432                 $a->contacts = $ret;
1433                 return;
1434         }
1435 }
1436
1437 if(! function_exists('profile_tabs')){
1438         function profile_tabs($a, $is_owner=False, $nickname=Null){
1439                 //echo "<pre>"; var_dump($a->user); killme();
1440
1441                 if (is_null($nickname))
1442                         $nickname  = $a->user['nickname'];
1443
1444                 if(x($_GET,'tab'))
1445                         $tab = notags(trim($_GET['tab']));
1446
1447                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1448
1449                 $tabs = array(
1450                         array(
1451                                 'label'=>t('Status'),
1452                                 'url' => $url,
1453                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1454                         ),
1455                         array(
1456                                 'label' => t('Profile'),
1457                                 'url'   => $url.'/?tab=profile',
1458                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1459                         ),
1460                         array(
1461                                 'label' => t('Photos'),
1462                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1463                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1464                         ),
1465                 );
1466
1467                 if ($is_owner){
1468                         $tabs[] = array(
1469                                 'label' => t('Events'),
1470                                 'url'   => $a->get_baseurl() . '/events',
1471                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1472                         );
1473                         $tabs[] = array(
1474                                 'label' => t('Personal Notes'),
1475                                 'url'   => $a->get_baseurl() . '/notes',
1476                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1477                         );
1478                 }
1479
1480
1481                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1482                 call_hooks('profile_tabs', $arr);
1483
1484                 $tpl = get_markup_template('common_tabs.tpl');
1485
1486                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1487         }
1488 }
1489
1490 function get_my_url() {
1491         if(x($_SESSION,'my_url'))
1492                 return $_SESSION['my_url'];
1493         return false;
1494 }
1495
1496 function zrl($s) {
1497         if(! strlen($s))
1498                 return $s;
1499         if(! strpos($s,'/profile/'))
1500                 return $s;
1501         $achar = strpos($s,'?') ? '&' : '?';
1502         $mine = get_my_url();
1503         if($mine and ! link_compare($mine,$s))
1504                 return $s . $achar . 'zrl=' . urlencode($mine);
1505         return $s;
1506 }