boot.php

   1 <?php
   2
   3 require_once('include/config.php');
   4 require_once('include/network.php');
   5 require_once('include/plugin.php');
   6 require_once('include/text.php');
   7 require_once('include/pgettext.php');
   8 require_once('include/nav.php');
   9 require_once('include/cache.php');
  10
  11 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  12 define ( 'FRIENDICA_VERSION',      '3.0.1347' );
  13 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  14 define ( 'DB_UPDATE_VERSION',      1144      );
  15
  16 define ( 'EOL',                    "<br />\r\n"     );
  17 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  18
  19
  20 /**
  21  *
  22  * Image storage quality. Lower numbers save space at cost of image detail.
  23  * For ease of upgrade, please do not change here. Change jpeg quality with
  24  * $a->config['system']['jpeg_quality'] = n;
  25  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  26  * below about 50
  27  *
  28  */
  29
  30 define ( 'JPEG_QUALITY',            100  );
  31
  32 /**
  33  * Not yet used
  34  */
  35
  36 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  37
  38 /**
  39  * SSL redirection policies
  40  */
  41
  42 define ( 'SSL_POLICY_NONE',         0 );
  43 define ( 'SSL_POLICY_FULL',         1 );
  44 define ( 'SSL_POLICY_SELFSIGN',     2 );
  45
  46
  47 /**
  48  * log levels
  49  */
  50
  51 define ( 'LOGGER_NORMAL',          0 );
  52 define ( 'LOGGER_TRACE',           1 );
  53 define ( 'LOGGER_DEBUG',           2 );
  54 define ( 'LOGGER_DATA',            3 );
  55 define ( 'LOGGER_ALL',             4 );
  56
  57 /**
  58  * registration policies
  59  */
  60
  61 define ( 'REGISTER_CLOSED',        0 );
  62 define ( 'REGISTER_APPROVE',       1 );
  63 define ( 'REGISTER_OPEN',          2 );
  64
  65 /**
  66  * relationship types
  67  */
  68
  69 define ( 'CONTACT_IS_FOLLOWER', 1);
  70 define ( 'CONTACT_IS_SHARING',  2);
  71 define ( 'CONTACT_IS_FRIEND',   3);
  72
  73
  74 /**
  75  * Hook array order
  76  */
  77
  78 define ( 'HOOK_HOOK',      0);
  79 define ( 'HOOK_FILE',      1);
  80 define ( 'HOOK_FUNCTION',  2);
  81
  82 /**
  83  * DB update return values
  84  */
  85
  86 define ( 'UPDATE_SUCCESS', 0);
  87 define ( 'UPDATE_FAILED',  1);
  88
  89
  90 /**
  91  *
  92  * page/profile types
  93  *
  94  * PAGE_NORMAL is a typical personal profile account
  95  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
  96  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
  97  *      write access to wall and comments (no email and not included in page owner's ACL lists)
  98  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
  99  *
 100  */
 101
 102 define ( 'PAGE_NORMAL',            0 );
 103 define ( 'PAGE_SOAPBOX',           1 );
 104 define ( 'PAGE_COMMUNITY',         2 );
 105 define ( 'PAGE_FREELOVE',          3 );
 106 define ( 'PAGE_BLOG',              4 );
 107 define ( 'PAGE_PRVGROUP',          5 );
 108
 109 /**
 110  * Network and protocol family types
 111  */
 112
 113 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 114 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 115 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 116 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 117 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 118 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 119 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 120 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 121 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 122 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 123 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 124 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 125
 126 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 127
 128 /**
 129  * These numbers are used in stored permissions
 130  * and existing allocations MUST NEVER BE CHANGED
 131  * OR RE-ASSIGNED! You may only add to them.
 132  */
 133
 134 $netgroup_ids = array(
 135         NETWORK_DFRN     => (-1),
 136         NETWORK_ZOT      => (-2),
 137         NETWORK_OSTATUS  => (-3),
 138         NETWORK_FEED     => (-4),
 139         NETWORK_DIASPORA => (-5),
 140         NETWORK_MAIL     => (-6),
 141         NETWORK_MAIL2    => (-7),
 142         NETWORK_FACEBOOK => (-8),
 143         NETWORK_LINKEDIN => (-9),
 144         NETWORK_XMPP     => (-10),
 145         NETWORK_MYSPACE  => (-11),
 146         NETWORK_GPLUS    => (-12),
 147
 148         NETWORK_PHANTOM  => (-127),
 149 );
 150
 151
 152 /**
 153  * Maximum number of "people who like (or don't like) this"  that we will list by name
 154  */
 155
 156 define ( 'MAX_LIKERS',    75);
 157
 158 /**
 159  * Communication timeout
 160  */
 161
 162 define ( 'ZCURL_TIMEOUT' , (-1));
 163
 164
 165 /**
 166  * email notification options
 167  */
 168
 169 define ( 'NOTIFY_INTRO',    0x0001 );
 170 define ( 'NOTIFY_CONFIRM',  0x0002 );
 171 define ( 'NOTIFY_WALL',     0x0004 );
 172 define ( 'NOTIFY_COMMENT',  0x0008 );
 173 define ( 'NOTIFY_MAIL',     0x0010 );
 174 define ( 'NOTIFY_SUGGEST',  0x0020 );
 175 define ( 'NOTIFY_PROFILE',  0x0040 );
 176 define ( 'NOTIFY_TAGSELF',  0x0080 );
 177 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 178
 179 define ( 'NOTIFY_SYSTEM',   0x8000 );
 180
 181
 182 /**
 183  * various namespaces we may need to parse
 184  */
 185
 186 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 187 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 188 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 189 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 190 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 191 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 192 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 193 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 194 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 195 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 196 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 197 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 198 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 199 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 200 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 201 /**
 202  * activity stream defines
 203  */
 204
 205 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 206 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 207 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 208
 209 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 210 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 211 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 212 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 213 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 214 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 215
 216 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 217 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 218 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 219 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 220
 221 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 222 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 223 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 224 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 225 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 226 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 227 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 228 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 229 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 230 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 231
 232 /**
 233  * item weight for query ordering
 234  */
 235
 236 define ( 'GRAVITY_PARENT',       0);
 237 define ( 'GRAVITY_LIKE',         3);
 238 define ( 'GRAVITY_COMMENT',      6);
 239
 240 /**
 241  *
 242  * Reverse the effect of magic_quotes_gpc if it is enabled.
 243  * Please disable magic_quotes_gpc so we don't have to do this.
 244  * See http://php.net/manual/en/security.magicquotes.disabling.php
 245  *
 246  */
 247
 248 function startup() {
 249         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 250         set_time_limit(0);
 251
 252         // This has to be quite large to deal with embedded private photos
 253         ini_set('pcre.backtrack_limit', 500000);
 254
 255
 256         if (get_magic_quotes_gpc()) {
 257                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 258                 while (list($key, $val) = each($process)) {
 259                         foreach ($val as $k => $v) {
 260                                 unset($process[$key][$k]);
 261                                 if (is_array($v)) {
 262                                         $process[$key][stripslashes($k)] = $v;
 263                                         $process[] = &$process[$key][stripslashes($k)];
 264                                 } else {
 265                                         $process[$key][stripslashes($k)] = stripslashes($v);
 266                                 }
 267                         }
 268                 }
 269                 unset($process);
 270         }
 271
 272 }
 273
 274 /**
 275  *
 276  * class: App
 277  *
 278  * Our main application structure for the life of this page
 279  * Primarily deals with the URL that got us here
 280  * and tries to make some sense of it, and
 281  * stores our page contents and config storage
 282  * and anything else that might need to be passed around
 283  * before we spit the page out.
 284  *
 285  */
 286
 287 if(! class_exists('App')) {
 288         class App {
 289
 290                 public  $module_loaded = false;
 291                 public  $query_string;
 292                 public  $config;
 293                 public  $page;
 294                 public  $profile;
 295                 public  $user;
 296                 public  $cid;
 297                 public  $contact;
 298                 public  $contacts;
 299                 public  $page_contact;
 300                 public  $content;
 301                 public  $data = array();
 302                 public  $error = false;
 303                 public  $cmd;
 304                 public  $argv;
 305                 public  $argc;
 306                 public  $module;
 307                 public  $pager;
 308                 public  $strings;
 309                 public  $path;
 310                 public  $hooks;
 311                 public  $timezone;
 312                 public  $interactive = true;
 313                 public  $plugins;
 314                 public  $apps = array();
 315                 public  $identities;
 316
 317                 public $nav_sel;
 318
 319                 public $category;
 320
 321                 private $scheme;
 322                 private $hostname;
 323                 private $baseurl;
 324                 private $db;
 325
 326                 private $curl_code;
 327                 private $curl_headers;
 328
 329                 function __construct() {
 330
 331                         $this->config = array();
 332                         $this->page = array();
 333                         $this->pager= array();
 334
 335                         $this->query_string = '';
 336
 337                         startup();
 338
 339                         $this->scheme = 'http';
 340                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 341                                 $this->scheme = 'https';
 342                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 343                         $this->scheme = 'https';
 344
 345
 346                         if(x($_SERVER,'SERVER_NAME')) {
 347                                 $this->hostname = $_SERVER['SERVER_NAME'];
 348                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 349                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 350                                 /**
 351                                  * Figure out if we are running at the top of a domain
 352                                  * or in a sub-directory and adjust accordingly
 353                                  */
 354
 355                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 356                                 if(isset($path) && strlen($path) && ($path != $this->path))
 357                                         $this->path = $path;
 358                         }
 359
 360                         set_include_path(
 361                                         "include/$this->hostname" . PATH_SEPARATOR
 362                                         . 'include' . PATH_SEPARATOR
 363                                         . 'library' . PATH_SEPARATOR
 364                                         . 'library/phpsec' . PATH_SEPARATOR
 365                                         . '.' );
 366
 367                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 368                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 369                                 // removing trailing / - maybe a nginx problem
 370                                 if (substr($this->query_string, 0, 1) == "/")
 371                                         $this->query_string = substr($this->query_string, 1);
 372                         }
 373                         if(x($_GET,'q'))
 374                                 $this->cmd = trim($_GET['q'],'/\\');
 375
 376                         // unix style "homedir"
 377
 378                         if(substr($this->cmd,0,1) === '~')
 379                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 380
 381                         // Diaspora style profile url
 382
 383                         if(substr($this->cmd,0,2) === 'u/')
 384                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 385
 386                         /**
 387                          *
 388                          * Break the URL path into C style argc/argv style arguments for our
 389                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 390                          * will be 3 (integer) and $this->argv will contain:
 391                          *   [0] => 'module'
 392                          *   [1] => 'arg1'
 393                          *   [2] => 'arg2'
 394                          *
 395                          *
 396                          * There will always be one argument. If provided a naked domain
 397                          * URL, $this->argv[0] is set to "home".
 398                          *
 399                          */
 400
 401                         $this->argv = explode('/',$this->cmd);
 402                         $this->argc = count($this->argv);
 403                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 404                                 $this->module = str_replace(".", "_", $this->argv[0]);
 405                                 if(array_key_exists('2',$this->argv)) {
 406                                         $this->category = $this->argv[2];
 407                                 }
 408                         }
 409                         else {
 410                                 $this->argc = 1;
 411                                 $this->argv = array('home');
 412                                 $this->module = 'home';
 413                         }
 414
 415                         /**
 416                          * Special handling for the webfinger/lrdd host XRD file
 417                          */
 418
 419                         if($this->cmd === '.well-known/host-meta') {
 420                                 $this->argc = 1;
 421                                 $this->argv = array('hostxrd');
 422                                 $this->module = 'hostxrd';
 423                         }
 424
 425                         /**
 426                          * See if there is any page number information, and initialise
 427                          * pagination
 428                          */
 429
 430                         $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 431                         $this->pager['itemspage'] = 50;
 432                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 433                         $this->pager['total'] = 0;
 434                 }
 435
 436                 function get_baseurl($ssl = false) {
 437
 438                         $scheme = $this->scheme;
 439
 440                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 441                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 442                                         $scheme = 'https';
 443
 444                                 //                      We need to populate the $ssl flag across the entire program before turning this on.
 445                                 //                      Basically, we'll have $ssl = true on any links which can only be seen by a logged in user
 446                                 //                      (and also the login link). Anything seen by an outsider will have it turned off.
 447                                 //                      At present, setting SSL_POLICY_SELFSIGN will only force remote contacts to update their
 448                                 //                      contact links to this site with "http:" if they are currently using "https:"
 449
 450                                 //                      if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 451                                 //                              if($ssl)
 452                                 //                                      $scheme = 'https';
 453                                 //                              else
 454                                 //                                      $scheme = 'http';
 455                                         //                      }
 456                 }
 457
 458                                 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 459                                 return $this->baseurl;
 460                 }
 461
 462                 function set_baseurl($url) {
 463                         $parsed = @parse_url($url);
 464
 465                         $this->baseurl = $url;
 466
 467                         if($parsed) {
 468                                 $this->scheme = $parsed['scheme'];
 469
 470                                 $this->hostname = $parsed['host'];
 471                                 if(x($parsed,'port'))
 472                                         $this->hostname .= ':' . $parsed['port'];
 473                                 if(x($parsed,'path'))
 474                                         $this->path = trim($parsed['path'],'\\/');
 475                         }
 476
 477                 }
 478
 479                 function get_hostname() {
 480                         return $this->hostname;
 481                 }
 482
 483                 function set_hostname($h) {
 484                         $this->hostname = $h;
 485                 }
 486
 487                 function set_path($p) {
 488                         $this->path = trim(trim($p),'/');
 489                 }
 490
 491                 function get_path() {
 492                         return $this->path;
 493                 }
 494
 495                 function set_pager_total($n) {
 496                         $this->pager['total'] = intval($n);
 497                 }
 498
 499                 function set_pager_itemspage($n) {
 500                         $this->pager['itemspage'] = intval($n);
 501                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 502
 503                 }
 504
 505                 function init_pagehead() {
 506                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 507                         if($interval < 10000)
 508                                 $interval = 40000;
 509
 510                         $this->page['title'] = $this->config['sitename'];
 511                         $tpl = file_get_contents('view/head.tpl');
 512                         $this->page['htmlhead'] = replace_macros($tpl,array(
 513                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 514                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 515                                 '$delitem' => t('Delete this item?'),
 516                                 '$comment' => t('Comment'),
 517                                 '$showmore' => t('show more'),
 518                                 '$showfewer' => t('show fewer'),
 519                                 '$update_interval' => $interval
 520                         ));
 521                 }
 522
 523                 function set_curl_code($code) {
 524                         $this->curl_code = $code;
 525                 }
 526
 527                 function get_curl_code() {
 528                         return $this->curl_code;
 529                 }
 530
 531                 function set_curl_headers($headers) {
 532                         $this->curl_headers = $headers;
 533                 }
 534
 535                 function get_curl_headers() {
 536                         return $this->curl_headers;
 537                 }
 538
 539
 540         }
 541 }
 542
 543 // retrieve the App structure
 544 // useful in functions which require it but don't get it passed to them
 545
 546 if(! function_exists('get_app')) {
 547         function get_app() {
 548                 global $a;
 549                 return $a;
 550         }
 551 };
 552
 553
 554 // Multi-purpose function to check variable state.
 555 // Usage: x($var) or $x($array,'key')
 556 // returns false if variable/key is not set
 557 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 558 // e.g. x('') or x(0) returns 0;
 559
 560 if(! function_exists('x')) {
 561         function x($s,$k = NULL) {
 562                 if($k != NULL) {
 563                         if((is_array($s)) && (array_key_exists($k,$s))) {
 564                                 if($s[$k])
 565                                         return (int) 1;
 566                                 return (int) 0;
 567                 }
 568                         return false;
 569                 }
 570                 else {
 571                         if(isset($s)) {
 572                                 if($s) {
 573                                         return (int) 1;
 574                                 }
 575                                 return (int) 0;
 576                         }
 577                         return false;
 578                 }
 579         }
 580 }
 581
 582 // called from db initialisation if db is dead.
 583
 584 if(! function_exists('system_unavailable')) {
 585         function system_unavailable() {
 586                 include('system_unavailable.php');
 587                 system_down();
 588                 killme();
 589         }
 590 }
 591
 592
 593
 594 function clean_urls() {
 595         global $a;
 596         //      if($a->config['system']['clean_urls'])
 597         return true;
 598         //      return false;
 599 }
 600
 601 function z_path() {
 602         global $a;
 603         $base = $a->get_baseurl();
 604         if(! clean_urls())
 605                 $base .= '/?q=';
 606         return $base;
 607 }
 608
 609 function z_root() {
 610         global $a;
 611         return $a->get_baseurl();
 612 }
 613
 614 function absurl($path) {
 615         if(strpos($path,'/') === 0)
 616                 return z_path() . $path;
 617         return $path;
 618 }
 619
 620 function is_ajax() {
 621         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 622 }
 623
 624
 625 // Primarily involved with database upgrade, but also sets the
 626 // base url for use in cmdline programs which don't have
 627 // $_SERVER variables, and synchronising the state of installed plugins.
 628
 629
 630 if(! function_exists('check_config')) {
 631         function check_config(&$a) {
 632
 633                 $build = get_config('system','build');
 634                 if(! x($build))
 635                         $build = set_config('system','build',DB_UPDATE_VERSION);
 636
 637                 $url = get_config('system','url');
 638
 639                 // if the url isn't set or the stored url is radically different
 640                 // than the currently visited url, store the current value accordingly.
 641                 // "Radically different" ignores common variations such as http vs https
 642                 // and www.example.com vs example.com.
 643
 644                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 645                         $url = set_config('system','url',$a->get_baseurl());
 646
 647                 if($build != DB_UPDATE_VERSION) {
 648                         $stored = intval($build);
 649                         $current = intval(DB_UPDATE_VERSION);
 650                         if(($stored < $current) && file_exists('update.php')) {
 651
 652                                 load_config('database');
 653
 654                                 // We're reporting a different version than what is currently installed.
 655                                 // Run any existing update scripts to bring the database up to current.
 656
 657                                 require_once('update.php');
 658
 659                                 // make sure that boot.php and update.php are the same release, we might be
 660                                 // updating right this very second and the correct version of the update.php
 661                                 // file may not be here yet. This can happen on a very busy site.
 662
 663                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 664
 665                                         for($x = $stored; $x < $current; $x ++) {
 666                                                 if(function_exists('update_' . $x)) {
 667
 668                                                         // There could be a lot of processes running or about to run.
 669                                                         // We want exactly one process to run the update command.
 670                                                         // So store the fact that we're taking responsibility
 671                                                         // after first checking to see if somebody else already has.
 672
 673                                                         // If the update fails or times-out completely you may need to
 674                                                         // delete the config entry to try again.
 675
 676                                                         if(get_config('database','update_' . $x))
 677                                                                 break;
 678                                                         set_config('database','update_' . $x, '1');
 679
 680                                                         // call the specific update
 681
 682                                                         $func = 'update_' . $x;
 683                                                         $retval = $func();
 684                                                         if($retval) {
 685                                                                 //send the administrator an e-mail
 686                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 687                                                                 $email_msg = replace_macros($email_tpl, array(
 688                                                                         '$sitename' => $a->config['sitename'],
 689                                                                         '$siteurl' =>  $a->get_baseurl(),
 690                                                                         '$update' => $x,
 691                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 692                                                                 ));
 693                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 694
 695                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 696                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 697                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 698                                                                         . 'Content-transfer-encoding: 8bit' );
 699                                                                 //try the logger
 700                                                                 logger('CRITICAL: Update Failed: '. $x);
 701                                                         }
 702                                                         else
 703                                                                 set_config('database','update_' . $x, 'success');
 704
 705                                                 }
 706                                         }
 707                                         set_config('system','build', DB_UPDATE_VERSION);
 708                                 }
 709                         }
 710                 }
 711
 712                 /**
 713                  *
 714                  * Synchronise plugins:
 715                  *
 716                  * $a->config['system']['addon'] contains a comma-separated list of names
 717                  * of plugins/addons which are used on this system.
 718                  * Go through the database list of already installed addons, and if we have
 719                  * an entry, but it isn't in the config list, call the uninstall procedure
 720                  * and mark it uninstalled in the database (for now we'll remove it).
 721                  * Then go through the config list and if we have a plugin that isn't installed,
 722                  * call the install procedure and add it to the database.
 723                  *
 724                  */
 725
 726                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 727                 if(count($r))
 728                         $installed = $r;
 729                 else
 730                         $installed = array();
 731
 732                 $plugins = get_config('system','addon');
 733                 $plugins_arr = array();
 734
 735                 if($plugins)
 736                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 737
 738                 $a->plugins = $plugins_arr;
 739
 740                 $installed_arr = array();
 741
 742                 if(count($installed)) {
 743                         foreach($installed as $i) {
 744                                 if(! in_array($i['name'],$plugins_arr)) {
 745                                         uninstall_plugin($i['name']);
 746                                 }
 747                                 else {
 748                                         $installed_arr[] = $i['name'];
 749                                 }
 750                         }
 751                 }
 752
 753                 if(count($plugins_arr)) {
 754                         foreach($plugins_arr as $p) {
 755                                 if(! in_array($p,$installed_arr)) {
 756                                         install_plugin($p);
 757                                 }
 758                         }
 759                 }
 760
 761
 762                 load_hooks();
 763
 764                 return;
 765         }
 766 }
 767
 768
 769 function get_guid($size=16) {
 770         $exists = true; // assume by default that we don't have a unique guid
 771         do {
 772                 $s = random_string($size);
 773                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 774                 if(! count($r))
 775                         $exists = false;
 776         } while($exists);
 777         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 778         return $s;
 779 }
 780
 781
 782 // wrapper for adding a login box. If $register == true provide a registration
 783 // link. This will most always depend on the value of $a->config['register_policy'].
 784 // returns the complete html for inserting into the page
 785
 786 if(! function_exists('login')) {
 787         function login($register = false, $hiddens=false) {
 788                 $a = get_app();
 789                 $o = "";
 790                 $reg = false;
 791                 if ($register) {
 792                         $reg = array(
 793                                 'title' => t('Create a New Account'),
 794                                 'desc' => t('Register')
 795                         );
 796                 }
 797
 798                 $noid = get_config('system','no_openid');
 799
 800                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 801
 802                 if(local_user()) {
 803                         $tpl = get_markup_template("logout.tpl");
 804                 }
 805                 else {
 806                         $tpl = get_markup_template("login.tpl");
 807                         $_SESSION['return_url'] = $a->query_string;
 808                 }
 809
 810
 811                 $o .= replace_macros($tpl,array(
 812
 813                         '$dest_url'     => $dest_url,
 814                         '$logout'       => t('Logout'),
 815                         '$login'        => t('Login'),
 816
 817                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 818                         '$lpassword'    => array('password', t('Password: '), '', ''),
 819
 820                         '$openid'               => !$noid,
 821                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 822
 823                         '$hiddens'      => $hiddens,
 824
 825                         '$register'     => $reg,
 826
 827                         '$lostpass'     => t('Forgot your password?'),
 828                         '$lostlink'     => t('Password Reset'),
 829                 ));
 830
 831                 call_hooks('login_hook',$o);
 832
 833                 return $o;
 834         }
 835 }
 836
 837 // Used to end the current process, after saving session state.
 838
 839 if(! function_exists('killme')) {
 840         function killme() {
 841                 session_write_close();
 842                 exit;
 843         }
 844 }
 845
 846 // redirect to another URL and terminate this process.
 847
 848 if(! function_exists('goaway')) {
 849         function goaway($s) {
 850                 header("Location: $s");
 851                 killme();
 852         }
 853 }
 854
 855
 856 // Returns the uid of locally logged in user or false.
 857
 858 if(! function_exists('local_user')) {
 859         function local_user() {
 860                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 861                         return intval($_SESSION['uid']);
 862                 return false;
 863         }
 864 }
 865
 866 // Returns contact id of authenticated site visitor or false
 867
 868 if(! function_exists('remote_user')) {
 869         function remote_user() {
 870                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 871                         return intval($_SESSION['visitor_id']);
 872                 return false;
 873         }
 874 }
 875
 876 // contents of $s are displayed prominently on the page the next time
 877 // a page is loaded. Usually used for errors or alerts.
 878
 879 if(! function_exists('notice')) {
 880         function notice($s) {
 881                 $a = get_app();
 882                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 883                 if($a->interactive)
 884                         $_SESSION['sysmsg'][] = $s;
 885         }
 886 }
 887 if(! function_exists('info')) {
 888         function info($s) {
 889                 $a = get_app();
 890                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 891                 if($a->interactive)
 892                         $_SESSION['sysmsg_info'][] = $s;
 893         }
 894 }
 895
 896
 897 // wrapper around config to limit the text length of an incoming message
 898
 899 if(! function_exists('get_max_import_size')) {
 900         function get_max_import_size() {
 901                 global $a;
 902                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 903         }
 904 }
 905
 906
 907
 908 /**
 909  *
 910  * Function : profile_load
 911  * @parameter App    $a
 912  * @parameter string $nickname
 913  * @parameter int    $profile
 914  *
 915  * Summary: Loads a profile into the page sidebar.
 916  * The function requires a writeable copy of the main App structure, and the nickname
 917  * of a registered local account.
 918  *
 919  * If the viewer is an authenticated remote viewer, the profile displayed is the
 920  * one that has been configured for his/her viewing in the Contact manager.
 921  * Passing a non-zero profile ID can also allow a preview of a selected profile
 922  * by the owner.
 923  *
 924  * Profile information is placed in the App structure for later retrieval.
 925  * Honours the owner's chosen theme for display.
 926  *
 927  */
 928
 929 if(! function_exists('profile_load')) {
 930         function profile_load(&$a, $nickname, $profile = 0) {
 931                 if(remote_user()) {
 932                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 933                                         intval($_SESSION['visitor_id']));
 934                         if(count($r))
 935                                 $profile = $r[0]['profile-id'];
 936                 }
 937
 938                 $r = null;
 939
 940                 if($profile) {
 941                         $profile_int = intval($profile);
 942                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 943                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 944                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 945                                         dbesc($nickname),
 946                                         intval($profile_int)
 947                         );
 948                 }
 949                 if((! $r) && (!  count($r))) {
 950                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 951                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 952                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 953                                         dbesc($nickname)
 954                         );
 955                 }
 956
 957                 if(($r === false) || (! count($r))) {
 958                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 959                         notice( t('Requested profile is not available.') . EOL );
 960                         $a->error = 404;
 961                         return;
 962                 }
 963
 964                 // fetch user tags if this isn't the default profile
 965
 966                 if(! $r[0]['is-default']) {
 967                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 968                                         intval($profile_uid)
 969                         );
 970                         if($x && count($x))
 971                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 972                 }
 973
 974                 $a->profile = $r[0];
 975
 976
 977                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 978                 $_SESSION['theme'] = $a->profile['theme'];
 979
 980                 /**
 981                  * load/reload current theme info
 982                  */
 983
 984                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
 985                 if (file_exists($theme_info_file)){
 986                         require_once($theme_info_file);
 987                 }
 988
 989                 if(! (x($a->page,'aside')))
 990                         $a->page['aside'] = '';
 991
 992                 if(local_user() && local_user() == $a->profile['uid']) {
 993                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
 994                                 '$editprofile' => t('Edit profile'),
 995                                 '$profid' => $a->profile['id']
 996                         ));
 997                 }
 998
 999                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1000
1001                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1002
1003                 /*if(! $block)
1004                  $a->page['aside'] .= contact_block();*/
1005
1006                 return;
1007         }
1008 }
1009
1010
1011 /**
1012  *
1013  * Function: profile_sidebar
1014  *
1015  * Formats a profile for display in the sidebar.
1016  * It is very difficult to templatise the HTML completely
1017  * because of all the conditional logic.
1018  *
1019  * @parameter: array $profile
1020  *
1021  * Returns HTML string stuitable for sidebar inclusion
1022  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1023  *
1024  */
1025
1026
1027 if(! function_exists('profile_sidebar')) {
1028         function profile_sidebar($profile, $block = 0) {
1029
1030                 $a = get_app();
1031
1032                 $o = '';
1033                 $location = false;
1034                 $address = false;
1035                 $pdesc = true;
1036
1037                 if((! is_array($profile)) && (! count($profile)))
1038                         return $o;
1039
1040                 $profile['picdate'] = urlencode($profile['picdate']);
1041
1042                 call_hooks('profile_sidebar_enter', $profile);
1043
1044
1045                 // don't show connect link to yourself
1046                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1047
1048                 // don't show connect link to authenticated visitors either
1049
1050                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1051                         $connect = False;
1052
1053                 if(get_my_url() && $profile['unkmail'])
1054                         $wallmessage = t('Message');
1055                 else
1056                         $wallmessage = false;
1057
1058
1059
1060                 // show edit profile to yourself
1061                 if ($profile['uid'] == local_user()) {
1062                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1063
1064                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1065                                         local_user());
1066
1067                         $profile['menu'] = array(
1068                                 'chg_photo' => t('Change profile photo'),
1069                                 'cr_new' => t('Create New Profile'),
1070                                 'entries' => array(),
1071                         );
1072
1073                         if(count($r)) {
1074
1075                                 foreach($r as $rr) {
1076                                         $profile['menu']['entries'][] = array(
1077                                                 'photo' => $rr['thumb'],
1078                                                 'id' => $rr['id'],
1079                                                 'alt' => t('Profile Image'),
1080                                                 'profile_name' => $rr['profile-name'],
1081                                                 'isdefault' => $rr['is-default'],
1082                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1083                                                 'edit_visibility' => t('Edit visibility'),
1084
1085                                         );
1086                                 }
1087
1088
1089                         }
1090
1091
1092                 }
1093
1094
1095
1096
1097                 if((x($profile,'address') == 1)
1098                                 || (x($profile,'locality') == 1)
1099                                 || (x($profile,'region') == 1)
1100                                 || (x($profile,'postal-code') == 1)
1101                                 || (x($profile,'country-name') == 1))
1102                         $location = t('Location:');
1103
1104                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1105
1106
1107                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1108
1109                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1110
1111                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1112                         $location = $pdesc = $gender = $marital = $homepage = False;
1113                 }
1114
1115                 $firstname = ((strpos($profile['name'],' '))
1116                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1117                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1118
1119                 $diaspora = array(
1120                         'podloc' => $a->get_baseurl(),
1121                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1122                         'nickname' => $profile['nickname'],
1123                         'fullname' => $profile['name'],
1124                         'firstname' => $firstname,
1125                         'lastname' => $lastname,
1126                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1127                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1128                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1129                 );
1130
1131                 if (!$block){
1132                         $contact_block = contact_block();
1133                 }
1134
1135
1136                 $tpl = get_markup_template('profile_vcard.tpl');
1137
1138                 $o .= replace_macros($tpl, array(
1139                         '$profile' => $profile,
1140                         '$connect'  => $connect,
1141                         '$wallmessage' => $wallmessage,
1142                         '$location' => template_escape($location),
1143                         '$gender'   => $gender,
1144                         '$pdesc'        => $pdesc,
1145                         '$marital'  => $marital,
1146                         '$homepage' => $homepage,
1147                         '$diaspora' => $diaspora,
1148                         '$contact_block' => $contact_block,
1149                 ));
1150
1151
1152                 $arr = array('profile' => &$profile, 'entry' => &$o);
1153
1154                 call_hooks('profile_sidebar', $arr);
1155
1156                 return $o;
1157         }
1158 }
1159
1160
1161 if(! function_exists('get_birthdays')) {
1162         function get_birthdays() {
1163
1164                 $a = get_app();
1165                 $o = '';
1166
1167                 if(! local_user())
1168                         return $o;
1169
1170                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1171                 $bd_short = t('F d');
1172
1173                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1174                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1175                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1176                                 ORDER BY `start` ASC ",
1177                                 intval(local_user()),
1178                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1179                                 dbesc(datetime_convert('UTC','UTC','now'))
1180                 );
1181
1182                 if($r && count($r)) {
1183                         $total = 0;
1184                         $now = strtotime('now');
1185                         $cids = array();
1186
1187                         $istoday = false;
1188                         foreach($r as $rr) {
1189                                 if(strlen($rr['name']))
1190                                         $total ++;
1191                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1192                                         $istoday = true;
1193                         }
1194                         $classtoday = $istoday ? ' birthday-today ' : '';
1195                         if($total) {
1196                                 foreach($r as &$rr) {
1197                                         if(! strlen($rr['name']))
1198                                                 continue;
1199
1200                                         // avoid duplicates
1201
1202                                         if(in_array($rr['cid'],$cids))
1203                                                 continue;
1204                                         $cids[] = $rr['cid'];
1205
1206                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1207                                         $sparkle = '';
1208                                         $url = $rr['url'];
1209                                         if($rr['network'] === NETWORK_DFRN) {
1210                                                 $sparkle = " sparkle";
1211                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1212                                         }
1213
1214                                         $rr['link'] = $url;
1215                                         $rr['title'] = $rr['name'];
1216                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1217                                         $rr['startime'] = Null;
1218                                         $rr['today'] = $today;
1219
1220                                 }
1221                         }
1222                 }
1223                 $tpl = get_markup_template("birthdays_reminder.tpl");
1224                 return replace_macros($tpl, array(
1225                         '$baseurl' => $a->get_baseurl(),
1226                         '$classtoday' => $classtoday,
1227                         '$count' => $total,
1228                         '$event_reminders' => t('Birthday Reminders'),
1229                         '$event_title' => t('Birthdays this week:'),
1230                         '$events' => $r,
1231                 ));
1232         }
1233 }
1234
1235
1236 if(! function_exists('get_events')) {
1237         function get_events() {
1238
1239                 require_once('include/bbcode.php');
1240
1241                 $a = get_app();
1242
1243                 if(! local_user())
1244                         return $o;
1245
1246                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1247                 $bd_short = t('F d');
1248
1249                 $r = q("SELECT `event`.* FROM `event`
1250                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1251                                 ORDER BY `start` ASC ",
1252                                 intval(local_user()),
1253                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1254                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1255                 );
1256
1257                 if($r && count($r)) {
1258                         $now = strtotime('now');
1259                         $istoday = false;
1260                         foreach($r as $rr) {
1261                                 if(strlen($rr['name']))
1262                                         $total ++;
1263
1264                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1265                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1266                                         $istoday = true;
1267                         }
1268                         $classtoday = (($istoday) ? 'event-today' : '');
1269
1270
1271                         foreach($r as &$rr) {
1272                                 if($rr['adjust'])
1273                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1274                                 else
1275                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1276                                 $md .= "/#link-".$rr['id'];
1277
1278                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1279                                 if(! $title)
1280                                         $title = t('[No description]');
1281
1282                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1283                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1284
1285                                 $rr['link'] = $md;
1286                                 $rr['title'] = $title;
1287                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1288                                 $rr['startime'] = $strt;
1289                                 $rr['today'] = $today;
1290                         }
1291                 }
1292
1293                 $tpl = get_markup_template("events_reminder.tpl");
1294                 return replace_macros($tpl, array(
1295                         '$baseurl' => $a->get_baseurl(),
1296                         '$classtoday' => $classtoday,
1297                         '$count' => count($r),
1298                         '$event_reminders' => t('Event Reminders'),
1299                         '$event_title' => t('Events this week:'),
1300                         '$events' => $r,
1301                 ));
1302         }
1303 }
1304
1305
1306 /**
1307  *
1308  * Wrap calls to proc_close(proc_open()) and call hook
1309  * so plugins can take part in process :)
1310  *
1311  * args:
1312  * $cmd program to run
1313  *  next args are passed as $cmd command line
1314  *
1315  * e.g.: proc_run("ls","-la","/tmp");
1316  *
1317  * $cmd and string args are surrounded with ""
1318  */
1319
1320 if(! function_exists('proc_run')) {
1321         function proc_run($cmd){
1322
1323                 $a = get_app();
1324
1325                 $args = func_get_args();
1326                 $arr = array('args' => $args, 'run_cmd' => true);
1327
1328                 call_hooks("proc_run", $arr);
1329                 if(! $arr['run_cmd'])
1330                         return;
1331
1332                 if(count($args) && $args[0] === 'php')
1333                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1334                 foreach ($args as $arg){
1335                         $arg = escapeshellarg($arg);
1336                 }
1337                 $cmdline = implode($args," ");
1338                 proc_close(proc_open($cmdline." &",array(),$foo));
1339         }
1340 }
1341
1342 if(! function_exists('current_theme')) {
1343         function current_theme(){
1344                 $app_base_themes = array('duepuntozero', 'loozah');
1345
1346                 $a = get_app();
1347
1348                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1349                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1350
1351                 if($theme_name &&
1352                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1353                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1354                         return($theme_name);
1355
1356                 foreach($app_base_themes as $t) {
1357                         if(file_exists('view/theme/' . $t . '/style.css')||
1358                                         file_exists('view/theme/' . $t . '/style.php'))
1359                                 return($t);
1360                 }
1361
1362                 $fallback = glob('view/theme/*/style.[css|php]');
1363                 if(count($fallback))
1364                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1365
1366         }
1367 }
1368
1369 /*
1370  * Return full URL to theme which is currently in effect.
1371 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1372 */
1373 if(! function_exists('current_theme_url')) {
1374         function current_theme_url() {
1375                 global $a;
1376                 $t = current_theme();
1377                 if (file_exists('view/theme/' . $t . '/style.php'))
1378                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1379                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1380         }
1381 }
1382
1383 if(! function_exists('feed_birthday')) {
1384         function feed_birthday($uid,$tz) {
1385
1386                 /**
1387                  *
1388                  * Determine the next birthday, but only if the birthday is published
1389                  * in the default profile. We _could_ also look for a private profile that the
1390                  * recipient can see, but somebody could get mad at us if they start getting
1391                  * public birthday greetings when they haven't made this info public.
1392                  *
1393                  * Assuming we are able to publish this info, we are then going to convert
1394                  * the start time from the owner's timezone to UTC.
1395                  *
1396                  * This will potentially solve the problem found with some social networks
1397                  * where birthdays are converted to the viewer's timezone and salutations from
1398                  * elsewhere in the world show up on the wrong day. We will convert it to the
1399                  * viewer's timezone also, but first we are going to convert it from the birthday
1400                  * person's timezone to GMT - so the viewer may find the birthday starting at
1401                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1402                  *
1403                  */
1404
1405
1406                 $birthday = '';
1407
1408                 if(! strlen($tz))
1409                         $tz = 'UTC';
1410
1411                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1412                                 intval($uid)
1413                 );
1414
1415                 if($p && count($p)) {
1416                         $tmp_dob = substr($p[0]['dob'],5);
1417                         if(intval($tmp_dob)) {
1418                                 $y = datetime_convert($tz,$tz,'now','Y');
1419                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1420                                 $t_dob = strtotime($bd);
1421                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1422                                 if($t_dob < $now)
1423                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1424                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1425                         }
1426                 }
1427
1428                 return $birthday;
1429         }
1430 }
1431
1432 if(! function_exists('is_site_admin')) {
1433         function is_site_admin() {
1434                 $a = get_app();
1435                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1436                         return true;
1437                 return false;
1438         }
1439 }
1440
1441
1442 if(! function_exists('load_contact_links')) {
1443         function load_contact_links($uid) {
1444
1445                 $a = get_app();
1446
1447                 $ret = array();
1448
1449                 if(! $uid || x($a->contacts,'empty'))
1450                         return;
1451
1452                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1453                                 intval($uid)
1454                 );
1455                 if(count($r)) {
1456                         foreach($r as $rr){
1457                                 $url = normalise_link($rr['url']);
1458                                 $ret[$url] = $rr;
1459                         }
1460                 }
1461                 else
1462                         $ret['empty'] = true;
1463                 $a->contacts = $ret;
1464                 return;
1465         }
1466 }
1467
1468 if(! function_exists('profile_tabs')){
1469         function profile_tabs($a, $is_owner=False, $nickname=Null){
1470                 //echo "<pre>"; var_dump($a->user); killme();
1471
1472                 if (is_null($nickname))
1473                         $nickname  = $a->user['nickname'];
1474
1475                 if(x($_GET,'tab'))
1476                         $tab = notags(trim($_GET['tab']));
1477
1478                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1479
1480                 $tabs = array(
1481                         array(
1482                                 'label'=>t('Status'),
1483                                 'url' => $url,
1484                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1485                                 'title' => t('Status Messages and Posts'),
1486                         ),
1487                         array(
1488                                 'label' => t('Profile'),
1489                                 'url'   => $url.'/?tab=profile',
1490                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1491                                 'title' => t('Profile Details'),
1492                         ),
1493                         array(
1494                                 'label' => t('Photos'),
1495                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1496                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1497                                 'title' => t('Photo Albums'),
1498                         ),
1499                 );
1500
1501                 if ($is_owner){
1502                         $tabs[] = array(
1503                                 'label' => t('Events'),
1504                                 'url'   => $a->get_baseurl() . '/events',
1505                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1506                                 'title' => t('Events and Calendar'),
1507                         );
1508                         $tabs[] = array(
1509                                 'label' => t('Personal Notes'),
1510                                 'url'   => $a->get_baseurl() . '/notes',
1511                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1512                                 'title' => t('Only You Can See This'),
1513                         );
1514                 }
1515
1516
1517                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1518                 call_hooks('profile_tabs', $arr);
1519
1520                 $tpl = get_markup_template('common_tabs.tpl');
1521
1522                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1523         }
1524 }
1525
1526 function get_my_url() {
1527         if(x($_SESSION,'my_url'))
1528                 return $_SESSION['my_url'];
1529         return false;
1530 }
1531
1532 function zrl_init(&$a) {
1533         $tmp_str = get_my_url();
1534         if(validate_url($tmp_str)) {
1535                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1536                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1537                 call_hooks('zrl_init',$arr);
1538         }
1539 }
1540
1541 function zrl($s,$force = false) {
1542         if(! strlen($s))
1543                 return $s;
1544         if((! strpos($s,'/profile/')) && (! $force))
1545                 return $s;
1546         if($force && substr($s,-1,1) !== '/')
1547                 $s = $s . '/';
1548         $achar = strpos($s,'?') ? '&' : '?';
1549         $mine = get_my_url();
1550         if($mine and ! link_compare($mine,$s))
1551                 return $s . $achar . 'zrl=' . urlencode($mine);
1552         return $s;
1553 }