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',      '2.3.1336' );
  13 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  14 define ( 'DB_UPDATE_VERSION',      1143      );
  15
  16 define ( 'EOL',                    "<br />\r\n"     );
  17 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  18
  19
  20 /**
  21  *
  22  * Image storage quality. Lower numbers save space at cost of image detail.
  23  * For ease of upgrade, please do not change here. Change jpeg quality with
  24  * $a->config['system']['jpeg_quality'] = n;
  25  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  26  * below about 50
  27  *
  28  */
  29
  30 define ( 'JPEG_QUALITY',            100  );
  31
  32 /**
  33  * 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 /**
 127  * These numbers are used in stored permissions
 128  * and existing allocations MUST NEVER BE CHANGED
 129  * OR RE-ASSIGNED! You may only add to them.
 130  */
 131
 132 $netgroup_ids = array(
 133         NETWORK_DFRN     => (-1),
 134         NETWORK_ZOT      => (-2),
 135         NETWORK_OSTATUS  => (-3),
 136         NETWORK_FEED     => (-4),
 137         NETWORK_DIASPORA => (-5),
 138         NETWORK_MAIL     => (-6),
 139         NETWORK_MAIL2    => (-7),
 140         NETWORK_FACEBOOK => (-8),
 141         NETWORK_LINKEDIN => (-9),
 142         NETWORK_XMPP     => (-10),
 143         NETWORK_MYSPACE  => (-11),
 144         NETWORK_GPLUS    => (-12),
 145 );
 146
 147
 148 /**
 149  * Maximum number of "people who like (or don't like) this"  that we will list by name
 150  */
 151
 152 define ( 'MAX_LIKERS',    75);
 153
 154 /**
 155  * Communication timeout
 156  */
 157
 158 define ( 'ZCURL_TIMEOUT' , (-1));
 159
 160
 161 /**
 162  * email notification options
 163  */
 164
 165 define ( 'NOTIFY_INTRO',    0x0001 );
 166 define ( 'NOTIFY_CONFIRM',  0x0002 );
 167 define ( 'NOTIFY_WALL',     0x0004 );
 168 define ( 'NOTIFY_COMMENT',  0x0008 );
 169 define ( 'NOTIFY_MAIL',     0x0010 );
 170 define ( 'NOTIFY_SUGGEST',  0x0020 );
 171 define ( 'NOTIFY_PROFILE',  0x0040 );
 172 define ( 'NOTIFY_TAGSELF',  0x0080 );
 173 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 174
 175 define ( 'NOTIFY_SYSTEM',   0x8000 );
 176
 177
 178 /**
 179  * various namespaces we may need to parse
 180  */
 181
 182 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 183 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 184 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 185 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 186 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 187 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 188 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 189 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 190 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 191 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 192 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 193 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 194 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 195 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 196 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 197 /**
 198  * activity stream defines
 199  */
 200
 201 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 202 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 203 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 204
 205 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 206 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 207 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 208 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 209 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 210 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 211
 212 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 213 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 214 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 215 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 216
 217 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 218 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 219 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 220 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 221 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 222 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 223 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 224 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 225 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 226 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 227
 228 /**
 229  * item weight for query ordering
 230  */
 231
 232 define ( 'GRAVITY_PARENT',       0);
 233 define ( 'GRAVITY_LIKE',         3);
 234 define ( 'GRAVITY_COMMENT',      6);
 235
 236 /**
 237  *
 238  * Reverse the effect of magic_quotes_gpc if it is enabled.
 239  * Please disable magic_quotes_gpc so we don't have to do this.
 240  * See http://php.net/manual/en/security.magicquotes.disabling.php
 241  *
 242  */
 243
 244 function startup() {
 245         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 246         set_time_limit(0);
 247
 248         // This has to be quite large to deal with embedded private photos
 249         ini_set('pcre.backtrack_limit', 500000);
 250
 251
 252         if (get_magic_quotes_gpc()) {
 253                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 254                 while (list($key, $val) = each($process)) {
 255                         foreach ($val as $k => $v) {
 256                                 unset($process[$key][$k]);
 257                                 if (is_array($v)) {
 258                                         $process[$key][stripslashes($k)] = $v;
 259                                         $process[] = &$process[$key][stripslashes($k)];
 260                                 } else {
 261                                         $process[$key][stripslashes($k)] = stripslashes($v);
 262                                 }
 263                         }
 264                 }
 265                 unset($process);
 266         }
 267
 268 }
 269
 270 /**
 271  *
 272  * class: App
 273  *
 274  * Our main application structure for the life of this page
 275  * Primarily deals with the URL that got us here
 276  * and tries to make some sense of it, and
 277  * stores our page contents and config storage
 278  * and anything else that might need to be passed around
 279  * before we spit the page out.
 280  *
 281  */
 282
 283 if(! class_exists('App')) {
 284         class App {
 285
 286                 public  $module_loaded = false;
 287                 public  $query_string;
 288                 public  $config;
 289                 public  $page;
 290                 public  $profile;
 291                 public  $user;
 292                 public  $cid;
 293                 public  $contact;
 294                 public  $contacts;
 295                 public  $page_contact;
 296                 public  $content;
 297                 public  $data = array();
 298                 public  $error = false;
 299                 public  $cmd;
 300                 public  $argv;
 301                 public  $argc;
 302                 public  $module;
 303                 public  $pager;
 304                 public  $strings;
 305                 public  $path;
 306                 public  $hooks;
 307                 public  $timezone;
 308                 public  $interactive = true;
 309                 public  $plugins;
 310                 public  $apps = array();
 311                 public  $identities;
 312
 313                 public $nav_sel;
 314
 315                 public $category;
 316
 317                 private $scheme;
 318                 private $hostname;
 319                 private $baseurl;
 320                 private $db;
 321
 322                 private $curl_code;
 323                 private $curl_headers;
 324
 325                 function __construct() {
 326
 327                         $this->config = array();
 328                         $this->page = array();
 329                         $this->pager= array();
 330
 331                         $this->query_string = '';
 332
 333                         startup();
 334
 335                         $this->scheme = 'http';
 336                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 337                                 $this->scheme = 'https';
 338                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 339                         $this->scheme = 'https';
 340
 341
 342                         if(x($_SERVER,'SERVER_NAME')) {
 343                                 $this->hostname = $_SERVER['SERVER_NAME'];
 344                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 345                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 346                                 /**
 347                                  * Figure out if we are running at the top of a domain
 348                                  * or in a sub-directory and adjust accordingly
 349                                  */
 350
 351                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 352                                 if(isset($path) && strlen($path) && ($path != $this->path))
 353                                         $this->path = $path;
 354                         }
 355
 356                         set_include_path(
 357                                         "include/$this->hostname" . PATH_SEPARATOR
 358                                         . 'include' . PATH_SEPARATOR
 359                                         . 'library' . PATH_SEPARATOR
 360                                         . 'library/phpsec' . PATH_SEPARATOR
 361                                         . '.' );
 362
 363                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 364                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 365                                 // removing trailing / - maybe a nginx problem
 366                                 if (substr($this->query_string, 0, 1) == "/")
 367                                         $this->query_string = substr($this->query_string, 1);
 368                         }
 369                         if(x($_GET,'q'))
 370                                 $this->cmd = trim($_GET['q'],'/\\');
 371
 372                         // unix style "homedir"
 373
 374                         if(substr($this->cmd,0,1) === '~')
 375                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 376
 377                         // Diaspora style profile url
 378
 379                         if(substr($this->cmd,0,2) === 'u/')
 380                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 381
 382                         /**
 383                          *
 384                          * Break the URL path into C style argc/argv style arguments for our
 385                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 386                          * will be 3 (integer) and $this->argv will contain:
 387                          *   [0] => 'module'
 388                          *   [1] => 'arg1'
 389                          *   [2] => 'arg2'
 390                          *
 391                          *
 392                          * There will always be one argument. If provided a naked domain
 393                          * URL, $this->argv[0] is set to "home".
 394                          *
 395                          */
 396
 397                         $this->argv = explode('/',$this->cmd);
 398                         $this->argc = count($this->argv);
 399                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 400                                 $this->module = str_replace(".", "_", $this->argv[0]);
 401                                 if(array_key_exists('2',$this->argv)) {
 402                                         $this->category = $this->argv[2];
 403                                 }
 404                         }
 405                         else {
 406                                 $this->argc = 1;
 407                                 $this->argv = array('home');
 408                                 $this->module = 'home';
 409                         }
 410
 411                         /**
 412                          * Special handling for the webfinger/lrdd host XRD file
 413                          */
 414
 415                         if($this->cmd === '.well-known/host-meta') {
 416                                 $this->argc = 1;
 417                                 $this->argv = array('hostxrd');
 418                                 $this->module = 'hostxrd';
 419                         }
 420
 421                         /**
 422                          * See if there is any page number information, and initialise
 423                          * pagination
 424                          */
 425
 426                         $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 427                         $this->pager['itemspage'] = 50;
 428                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 429                         $this->pager['total'] = 0;
 430                 }
 431
 432                 function get_baseurl($ssl = false) {
 433
 434                         $scheme = $this->scheme;
 435
 436                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 437                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 438                                         $scheme = 'https';
 439
 440                                 //                      We need to populate the $ssl flag across the entire program before turning this on.
 441                                 //                      Basically, we'll have $ssl = true on any links which can only be seen by a logged in user
 442                                 //                      (and also the login link). Anything seen by an outsider will have it turned off.
 443                                 //                      At present, setting SSL_POLICY_SELFSIGN will only force remote contacts to update their
 444                                 //                      contact links to this site with "http:" if they are currently using "https:"
 445
 446                                 //                      if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 447                                 //                              if($ssl)
 448                                 //                                      $scheme = 'https';
 449                                 //                              else
 450                                 //                                      $scheme = 'http';
 451                                         //                      }
 452                 }
 453
 454                                 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 455                                 return $this->baseurl;
 456                 }
 457
 458                 function set_baseurl($url) {
 459                         $parsed = @parse_url($url);
 460
 461                         $this->baseurl = $url;
 462
 463                         if($parsed) {
 464                                 $this->scheme = $parsed['scheme'];
 465
 466                                 $this->hostname = $parsed['host'];
 467                                 if(x($parsed,'port'))
 468                                         $this->hostname .= ':' . $parsed['port'];
 469                                 if(x($parsed,'path'))
 470                                         $this->path = trim($parsed['path'],'\\/');
 471                         }
 472
 473                 }
 474
 475                 function get_hostname() {
 476                         return $this->hostname;
 477                 }
 478
 479                 function set_hostname($h) {
 480                         $this->hostname = $h;
 481                 }
 482
 483                 function set_path($p) {
 484                         $this->path = trim(trim($p),'/');
 485                 }
 486
 487                 function get_path() {
 488                         return $this->path;
 489                 }
 490
 491                 function set_pager_total($n) {
 492                         $this->pager['total'] = intval($n);
 493                 }
 494
 495                 function set_pager_itemspage($n) {
 496                         $this->pager['itemspage'] = intval($n);
 497                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 498
 499                 }
 500
 501                 function init_pagehead() {
 502                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 503                         if($interval < 10000)
 504                                 $interval = 40000;
 505
 506                         $this->page['title'] = $this->config['sitename'];
 507                         $tpl = file_get_contents('view/head.tpl');
 508                         $this->page['htmlhead'] = replace_macros($tpl,array(
 509                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 510                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 511                                 '$delitem' => t('Delete this item?'),
 512                                 '$comment' => t('Comment'),
 513                                 '$showmore' => t('show more'),
 514                                 '$showfewer' => t('show fewer'),
 515                                 '$update_interval' => $interval
 516                         ));
 517                 }
 518
 519                 function set_curl_code($code) {
 520                         $this->curl_code = $code;
 521                 }
 522
 523                 function get_curl_code() {
 524                         return $this->curl_code;
 525                 }
 526
 527                 function set_curl_headers($headers) {
 528                         $this->curl_headers = $headers;
 529                 }
 530
 531                 function get_curl_headers() {
 532                         return $this->curl_headers;
 533                 }
 534
 535
 536         }
 537 }
 538
 539 // retrieve the App structure
 540 // useful in functions which require it but don't get it passed to them
 541
 542 if(! function_exists('get_app')) {
 543         function get_app() {
 544                 global $a;
 545                 return $a;
 546         }
 547 };
 548
 549
 550 // Multi-purpose function to check variable state.
 551 // Usage: x($var) or $x($array,'key')
 552 // returns false if variable/key is not set
 553 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 554 // e.g. x('') or x(0) returns 0;
 555
 556 if(! function_exists('x')) {
 557         function x($s,$k = NULL) {
 558                 if($k != NULL) {
 559                         if((is_array($s)) && (array_key_exists($k,$s))) {
 560                                 if($s[$k])
 561                                         return (int) 1;
 562                                 return (int) 0;
 563                 }
 564                         return false;
 565                 }
 566                 else {
 567                         if(isset($s)) {
 568                                 if($s) {
 569                                         return (int) 1;
 570                                 }
 571                                 return (int) 0;
 572                         }
 573                         return false;
 574                 }
 575         }
 576 }
 577
 578 // called from db initialisation if db is dead.
 579
 580 if(! function_exists('system_unavailable')) {
 581         function system_unavailable() {
 582                 include('system_unavailable.php');
 583                 system_down();
 584                 killme();
 585         }
 586 }
 587
 588
 589
 590 function clean_urls() {
 591         global $a;
 592         //      if($a->config['system']['clean_urls'])
 593         return true;
 594         //      return false;
 595 }
 596
 597 function z_path() {
 598         global $a;
 599         $base = $a->get_baseurl();
 600         if(! clean_urls())
 601                 $base .= '/?q=';
 602         return $base;
 603 }
 604
 605 function z_root() {
 606         global $a;
 607         return $a->get_baseurl();
 608 }
 609
 610 function absurl($path) {
 611         if(strpos($path,'/') === 0)
 612                 return z_path() . $path;
 613         return $path;
 614 }
 615
 616 function is_ajax() {
 617         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 618 }
 619
 620
 621 // Primarily involved with database upgrade, but also sets the
 622 // base url for use in cmdline programs which don't have
 623 // $_SERVER variables, and synchronising the state of installed plugins.
 624
 625
 626 if(! function_exists('check_config')) {
 627         function check_config(&$a) {
 628
 629                 $build = get_config('system','build');
 630                 if(! x($build))
 631                         $build = set_config('system','build',DB_UPDATE_VERSION);
 632
 633                 $url = get_config('system','url');
 634
 635                 // if the url isn't set or the stored url is radically different
 636                 // than the currently visited url, store the current value accordingly.
 637                 // "Radically different" ignores common variations such as http vs https
 638                 // and www.example.com vs example.com.
 639
 640                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 641                         $url = set_config('system','url',$a->get_baseurl());
 642
 643                 if($build != DB_UPDATE_VERSION) {
 644                         $stored = intval($build);
 645                         $current = intval(DB_UPDATE_VERSION);
 646                         if(($stored < $current) && file_exists('update.php')) {
 647
 648                                 load_config('database');
 649
 650                                 // We're reporting a different version than what is currently installed.
 651                                 // Run any existing update scripts to bring the database up to current.
 652
 653                                 require_once('update.php');
 654
 655                                 // make sure that boot.php and update.php are the same release, we might be
 656                                 // updating right this very second and the correct version of the update.php
 657                                 // file may not be here yet. This can happen on a very busy site.
 658
 659                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 660
 661                                         for($x = $stored; $x < $current; $x ++) {
 662                                                 if(function_exists('update_' . $x)) {
 663
 664                                                         // There could be a lot of processes running or about to run.
 665                                                         // We want exactly one process to run the update command.
 666                                                         // So store the fact that we're taking responsibility
 667                                                         // after first checking to see if somebody else already has.
 668
 669                                                         // If the update fails or times-out completely you may need to
 670                                                         // delete the config entry to try again.
 671
 672                                                         if(get_config('database','update_' . $x))
 673                                                                 break;
 674                                                         set_config('database','update_' . $x, '1');
 675
 676                                                         // call the specific update
 677
 678                                                         $func = 'update_' . $x;
 679                                                         $retval = $func();
 680                                                         if($retval) {
 681                                                                 //send the administrator an e-mail
 682                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 683                                                                 $email_msg = replace_macros($email_tpl, array(
 684                                                                         '$sitename' => $a->config['sitename'],
 685                                                                         '$siteurl' =>  $a->get_baseurl(),
 686                                                                         '$update' => $x,
 687                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 688                                                                 ));
 689                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 690
 691                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 692                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 693                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 694                                                                         . 'Content-transfer-encoding: 8bit' );
 695                                                                 //try the logger
 696                                                                 logger('CRITICAL: Update Failed: '. $x);
 697                                                         }
 698                                                         else
 699                                                                 set_config('database','update_' . $x, 'success');
 700
 701                                                 }
 702                                         }
 703                                         set_config('system','build', DB_UPDATE_VERSION);
 704                                 }
 705                         }
 706                 }
 707
 708                 /**
 709                  *
 710                  * Synchronise plugins:
 711                  *
 712                  * $a->config['system']['addon'] contains a comma-separated list of names
 713                  * of plugins/addons which are used on this system.
 714                  * Go through the database list of already installed addons, and if we have
 715                  * an entry, but it isn't in the config list, call the uninstall procedure
 716                  * and mark it uninstalled in the database (for now we'll remove it).
 717                  * Then go through the config list and if we have a plugin that isn't installed,
 718                  * call the install procedure and add it to the database.
 719                  *
 720                  */
 721
 722                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 723                 if(count($r))
 724                         $installed = $r;
 725                 else
 726                         $installed = array();
 727
 728                 $plugins = get_config('system','addon');
 729                 $plugins_arr = array();
 730
 731                 if($plugins)
 732                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 733
 734                 $a->plugins = $plugins_arr;
 735
 736                 $installed_arr = array();
 737
 738                 if(count($installed)) {
 739                         foreach($installed as $i) {
 740                                 if(! in_array($i['name'],$plugins_arr)) {
 741                                         uninstall_plugin($i['name']);
 742                                 }
 743                                 else {
 744                                         $installed_arr[] = $i['name'];
 745                                 }
 746                         }
 747                 }
 748
 749                 if(count($plugins_arr)) {
 750                         foreach($plugins_arr as $p) {
 751                                 if(! in_array($p,$installed_arr)) {
 752                                         install_plugin($p);
 753                                 }
 754                         }
 755                 }
 756
 757
 758                 load_hooks();
 759
 760                 return;
 761         }
 762 }
 763
 764
 765 function get_guid($size=16) {
 766         $exists = true; // assume by default that we don't have a unique guid
 767         do {
 768                 $s = random_string($size);
 769                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 770                 if(! count($r))
 771                         $exists = false;
 772         } while($exists);
 773         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 774         return $s;
 775 }
 776
 777
 778 // wrapper for adding a login box. If $register == true provide a registration
 779 // link. This will most always depend on the value of $a->config['register_policy'].
 780 // returns the complete html for inserting into the page
 781
 782 if(! function_exists('login')) {
 783         function login($register = false, $hiddens=false) {
 784                 $a = get_app();
 785                 $o = "";
 786                 $reg = false;
 787                 if ($register) {
 788                         $reg = array(
 789                                 'title' => t('Create a New Account'),
 790                                 'desc' => t('Register')
 791                         );
 792                 }
 793
 794                 $noid = get_config('system','no_openid');
 795
 796                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 797
 798                 if(local_user()) {
 799                         $tpl = get_markup_template("logout.tpl");
 800                 }
 801                 else {
 802                         $tpl = get_markup_template("login.tpl");
 803                         $_SESSION['return_url'] = $a->query_string;
 804                 }
 805
 806
 807                 $o .= replace_macros($tpl,array(
 808
 809                         '$dest_url'     => $dest_url,
 810                         '$logout'       => t('Logout'),
 811                         '$login'        => t('Login'),
 812
 813                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 814                         '$lpassword'    => array('password', t('Password: '), '', ''),
 815
 816                         '$openid'               => !$noid,
 817                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 818
 819                         '$hiddens'      => $hiddens,
 820
 821                         '$register'     => $reg,
 822
 823                         '$lostpass'     => t('Forgot your password?'),
 824                         '$lostlink'     => t('Password Reset'),
 825                 ));
 826
 827                 call_hooks('login_hook',$o);
 828
 829                 return $o;
 830         }
 831 }
 832
 833 // Used to end the current process, after saving session state.
 834
 835 if(! function_exists('killme')) {
 836         function killme() {
 837                 session_write_close();
 838                 exit;
 839         }
 840 }
 841
 842 // redirect to another URL and terminate this process.
 843
 844 if(! function_exists('goaway')) {
 845         function goaway($s) {
 846                 header("Location: $s");
 847                 killme();
 848         }
 849 }
 850
 851
 852 // Returns the uid of locally logged in user or false.
 853
 854 if(! function_exists('local_user')) {
 855         function local_user() {
 856                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 857                         return intval($_SESSION['uid']);
 858                 return false;
 859         }
 860 }
 861
 862 // Returns contact id of authenticated site visitor or false
 863
 864 if(! function_exists('remote_user')) {
 865         function remote_user() {
 866                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 867                         return intval($_SESSION['visitor_id']);
 868                 return false;
 869         }
 870 }
 871
 872 // contents of $s are displayed prominently on the page the next time
 873 // a page is loaded. Usually used for errors or alerts.
 874
 875 if(! function_exists('notice')) {
 876         function notice($s) {
 877                 $a = get_app();
 878                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 879                 if($a->interactive)
 880                         $_SESSION['sysmsg'][] = $s;
 881         }
 882 }
 883 if(! function_exists('info')) {
 884         function info($s) {
 885                 $a = get_app();
 886                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 887                 if($a->interactive)
 888                         $_SESSION['sysmsg_info'][] = $s;
 889         }
 890 }
 891
 892
 893 // wrapper around config to limit the text length of an incoming message
 894
 895 if(! function_exists('get_max_import_size')) {
 896         function get_max_import_size() {
 897                 global $a;
 898                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 899         }
 900 }
 901
 902
 903
 904 /**
 905  *
 906  * Function : profile_load
 907  * @parameter App    $a
 908  * @parameter string $nickname
 909  * @parameter int    $profile
 910  *
 911  * Summary: Loads a profile into the page sidebar.
 912  * The function requires a writeable copy of the main App structure, and the nickname
 913  * of a registered local account.
 914  *
 915  * If the viewer is an authenticated remote viewer, the profile displayed is the
 916  * one that has been configured for his/her viewing in the Contact manager.
 917  * Passing a non-zero profile ID can also allow a preview of a selected profile
 918  * by the owner.
 919  *
 920  * Profile information is placed in the App structure for later retrieval.
 921  * Honours the owner's chosen theme for display.
 922  *
 923  */
 924
 925 if(! function_exists('profile_load')) {
 926         function profile_load(&$a, $nickname, $profile = 0) {
 927                 if(remote_user()) {
 928                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 929                                         intval($_SESSION['visitor_id']));
 930                         if(count($r))
 931                                 $profile = $r[0]['profile-id'];
 932                 }
 933
 934                 $r = null;
 935
 936                 if($profile) {
 937                         $profile_int = intval($profile);
 938                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 939                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 940                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 941                                         dbesc($nickname),
 942                                         intval($profile_int)
 943                         );
 944                 }
 945                 if((! $r) && (!  count($r))) {
 946                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 947                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 948                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 949                                         dbesc($nickname)
 950                         );
 951                 }
 952
 953                 if(($r === false) || (! count($r))) {
 954                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 955                         notice( t('Requested profile is not available.') . EOL );
 956                         $a->error = 404;
 957                         return;
 958                 }
 959
 960                 // fetch user tags if this isn't the default profile
 961
 962                 if(! $r[0]['is-default']) {
 963                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 964                                         intval($profile_uid)
 965                         );
 966                         if($x && count($x))
 967                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 968                 }
 969
 970                 $a->profile = $r[0];
 971
 972
 973                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 974                 $_SESSION['theme'] = $a->profile['theme'];
 975
 976                 /**
 977                  * load/reload current theme info
 978                  */
 979
 980                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
 981                 if (file_exists($theme_info_file)){
 982                         require_once($theme_info_file);
 983                 }
 984
 985                 if(! (x($a->page,'aside')))
 986                         $a->page['aside'] = '';
 987
 988                 if(local_user() && local_user() == $a->profile['uid']) {
 989                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
 990                                 '$editprofile' => t('Edit profile'),
 991                                 '$profid' => $a->profile['id']
 992                         ));
 993                 }
 994
 995                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
 996
 997                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
 998
 999                 /*if(! $block)
1000                  $a->page['aside'] .= contact_block();*/
1001
1002                 return;
1003         }
1004 }
1005
1006
1007 /**
1008  *
1009  * Function: profile_sidebar
1010  *
1011  * Formats a profile for display in the sidebar.
1012  * It is very difficult to templatise the HTML completely
1013  * because of all the conditional logic.
1014  *
1015  * @parameter: array $profile
1016  *
1017  * Returns HTML string stuitable for sidebar inclusion
1018  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1019  *
1020  */
1021
1022
1023 if(! function_exists('profile_sidebar')) {
1024         function profile_sidebar($profile, $block = 0) {
1025
1026                 $a = get_app();
1027
1028                 $o = '';
1029                 $location = false;
1030                 $address = false;
1031                 $pdesc = true;
1032
1033                 if((! is_array($profile)) && (! count($profile)))
1034                         return $o;
1035
1036                 $profile['picdate'] = urlencode($profile['picdate']);
1037
1038                 call_hooks('profile_sidebar_enter', $profile);
1039
1040
1041                 // don't show connect link to yourself
1042                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1043
1044                 // don't show connect link to authenticated visitors either
1045
1046                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1047                         $connect = False;
1048
1049                 if(get_my_url() && $profile['unkmail'])
1050                         $wallmessage = t('Message');
1051                 else
1052                         $wallmessage = false;
1053
1054
1055
1056                 // show edit profile to yourself
1057                 if ($profile['uid'] == local_user()) {
1058                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1059
1060                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1061                                         local_user());
1062
1063                         $profile['menu'] = array(
1064                                 'chg_photo' => t('Change profile photo'),
1065                                 'cr_new' => t('Create New Profile'),
1066                                 'entries' => array(),
1067                         );
1068
1069                         if(count($r)) {
1070
1071                                 foreach($r as $rr) {
1072                                         $profile['menu']['entries'][] = array(
1073                                                 'photo' => $rr['thumb'],
1074                                                 'id' => $rr['id'],
1075                                                 'alt' => t('Profile Image'),
1076                                                 'profile_name' => $rr['profile-name'],
1077                                                 'isdefault' => $rr['is-default'],
1078                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1079                                                 'edit_visibility' => t('Edit visibility'),
1080
1081                                         );
1082                                 }
1083
1084
1085                         }
1086
1087
1088                 }
1089
1090
1091
1092
1093                 if((x($profile,'address') == 1)
1094                                 || (x($profile,'locality') == 1)
1095                                 || (x($profile,'region') == 1)
1096                                 || (x($profile,'postal-code') == 1)
1097                                 || (x($profile,'country-name') == 1))
1098                         $location = t('Location:');
1099
1100                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1101
1102
1103                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1104
1105                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1106
1107                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1108                         $location = $pdesc = $gender = $marital = $homepage = False;
1109                 }
1110
1111                 $firstname = ((strpos($profile['name'],' '))
1112                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1113                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1114
1115                 $diaspora = array(
1116                         'podloc' => $a->get_baseurl(),
1117                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1118                         'nickname' => $profile['nickname'],
1119                         'fullname' => $profile['name'],
1120                         'firstname' => $firstname,
1121                         'lastname' => $lastname,
1122                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1123                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1124                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1125                 );
1126
1127                 if (!$block){
1128                         $contact_block = contact_block();
1129                 }
1130
1131
1132                 $tpl = get_markup_template('profile_vcard.tpl');
1133
1134                 $o .= replace_macros($tpl, array(
1135                         '$profile' => $profile,
1136                         '$connect'  => $connect,
1137                         '$wallmessage' => $wallmessage,
1138                         '$location' => template_escape($location),
1139                         '$gender'   => $gender,
1140                         '$pdesc'        => $pdesc,
1141                         '$marital'  => $marital,
1142                         '$homepage' => $homepage,
1143                         '$diaspora' => $diaspora,
1144                         '$contact_block' => $contact_block,
1145                 ));
1146
1147
1148                 $arr = array('profile' => &$profile, 'entry' => &$o);
1149
1150                 call_hooks('profile_sidebar', $arr);
1151
1152                 return $o;
1153         }
1154 }
1155
1156
1157 if(! function_exists('get_birthdays')) {
1158         function get_birthdays() {
1159
1160                 $a = get_app();
1161                 $o = '';
1162
1163                 if(! local_user())
1164                         return $o;
1165
1166                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1167                 $bd_short = t('F d');
1168
1169                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1170                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1171                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1172                                 ORDER BY `start` ASC ",
1173                                 intval(local_user()),
1174                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1175                                 dbesc(datetime_convert('UTC','UTC','now'))
1176                 );
1177
1178                 if($r && count($r)) {
1179                         $total = 0;
1180                         $now = strtotime('now');
1181                         $cids = array();
1182
1183                         $istoday = false;
1184                         foreach($r as $rr) {
1185                                 if(strlen($rr['name']))
1186                                         $total ++;
1187                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1188                                         $istoday = true;
1189                         }
1190                         $classtoday = $istoday ? ' birthday-today ' : '';
1191                         if($total) {
1192                                 foreach($r as &$rr) {
1193                                         if(! strlen($rr['name']))
1194                                                 continue;
1195
1196                                         // avoid duplicates
1197
1198                                         if(in_array($rr['cid'],$cids))
1199                                                 continue;
1200                                         $cids[] = $rr['cid'];
1201
1202                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1203                                         $sparkle = '';
1204                                         $url = $rr['url'];
1205                                         if($rr['network'] === NETWORK_DFRN) {
1206                                                 $sparkle = " sparkle";
1207                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1208                                         }
1209
1210                                         $rr['link'] = $url;
1211                                         $rr['title'] = $rr['name'];
1212                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1213                                         $rr['startime'] = Null;
1214                                         $rr['today'] = $today;
1215
1216                                 }
1217                         }
1218                 }
1219                 $tpl = get_markup_template("birthdays_reminder.tpl");
1220                 return replace_macros($tpl, array(
1221                         '$baseurl' => $a->get_baseurl(),
1222                         '$classtoday' => $classtoday,
1223                         '$count' => $total,
1224                         '$event_reminders' => t('Birthday Reminders'),
1225                         '$event_title' => t('Birthdays this week:'),
1226                         '$events' => $r,
1227                 ));
1228         }
1229 }
1230
1231
1232 if(! function_exists('get_events')) {
1233         function get_events() {
1234
1235                 require_once('include/bbcode.php');
1236
1237                 $a = get_app();
1238
1239                 if(! local_user())
1240                         return $o;
1241
1242                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1243                 $bd_short = t('F d');
1244
1245                 $r = q("SELECT `event`.* FROM `event`
1246                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1247                                 ORDER BY `start` ASC ",
1248                                 intval(local_user()),
1249                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1250                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1251                 );
1252
1253                 if($r && count($r)) {
1254                         $now = strtotime('now');
1255                         $istoday = false;
1256                         foreach($r as $rr) {
1257                                 if(strlen($rr['name']))
1258                                         $total ++;
1259
1260                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1261                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1262                                         $istoday = true;
1263                         }
1264                         $classtoday = (($istoday) ? 'event-today' : '');
1265
1266
1267                         foreach($r as &$rr) {
1268                                 if($rr['adjust'])
1269                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1270                                 else
1271                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1272                                 $md .= "/#link-".$rr['id'];
1273
1274                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1275                                 if(! $title)
1276                                         $title = t('[No description]');
1277
1278                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1279                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1280
1281                                 $rr['link'] = $md;
1282                                 $rr['title'] = $title;
1283                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1284                                 $rr['startime'] = $strt;
1285                                 $rr['today'] = $today;
1286                         }
1287                 }
1288
1289                 $tpl = get_markup_template("events_reminder.tpl");
1290                 return replace_macros($tpl, array(
1291                         '$baseurl' => $a->get_baseurl(),
1292                         '$classtoday' => $classtoday,
1293                         '$count' => count($r),
1294                         '$event_reminders' => t('Event Reminders'),
1295                         '$event_title' => t('Events this week:'),
1296                         '$events' => $r,
1297                 ));
1298         }
1299 }
1300
1301
1302 /**
1303  *
1304  * Wrap calls to proc_close(proc_open()) and call hook
1305  * so plugins can take part in process :)
1306  *
1307  * args:
1308  * $cmd program to run
1309  *  next args are passed as $cmd command line
1310  *
1311  * e.g.: proc_run("ls","-la","/tmp");
1312  *
1313  * $cmd and string args are surrounded with ""
1314  */
1315
1316 if(! function_exists('proc_run')) {
1317         function proc_run($cmd){
1318
1319                 $a = get_app();
1320
1321                 $args = func_get_args();
1322                 $arr = array('args' => $args, 'run_cmd' => true);
1323
1324                 call_hooks("proc_run", $arr);
1325                 if(! $arr['run_cmd'])
1326                         return;
1327
1328                 if(count($args) && $args[0] === 'php')
1329                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1330                 foreach ($args as $arg){
1331                         $arg = escapeshellarg($arg);
1332                 }
1333                 $cmdline = implode($args," ");
1334                 proc_close(proc_open($cmdline." &",array(),$foo));
1335         }
1336 }
1337
1338 if(! function_exists('current_theme')) {
1339         function current_theme(){
1340                 $app_base_themes = array('duepuntozero', 'loozah');
1341
1342                 $a = get_app();
1343
1344                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1345                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1346
1347                 if($theme_name &&
1348                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1349                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1350                         return($theme_name);
1351
1352                 foreach($app_base_themes as $t) {
1353                         if(file_exists('view/theme/' . $t . '/style.css')||
1354                                         file_exists('view/theme/' . $t . '/style.php'))
1355                                 return($t);
1356                 }
1357
1358                 $fallback = glob('view/theme/*/style.[css|php]');
1359                 if(count($fallback))
1360                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1361
1362         }
1363 }
1364
1365 /*
1366  * Return full URL to theme which is currently in effect.
1367 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1368 */
1369 if(! function_exists('current_theme_url')) {
1370         function current_theme_url() {
1371                 global $a;
1372                 $t = current_theme();
1373                 if (file_exists('view/theme/' . $t . '/style.php'))
1374                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1375                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1376         }
1377 }
1378
1379 if(! function_exists('feed_birthday')) {
1380         function feed_birthday($uid,$tz) {
1381
1382                 /**
1383                  *
1384                  * Determine the next birthday, but only if the birthday is published
1385                  * in the default profile. We _could_ also look for a private profile that the
1386                  * recipient can see, but somebody could get mad at us if they start getting
1387                  * public birthday greetings when they haven't made this info public.
1388                  *
1389                  * Assuming we are able to publish this info, we are then going to convert
1390                  * the start time from the owner's timezone to UTC.
1391                  *
1392                  * This will potentially solve the problem found with some social networks
1393                  * where birthdays are converted to the viewer's timezone and salutations from
1394                  * elsewhere in the world show up on the wrong day. We will convert it to the
1395                  * viewer's timezone also, but first we are going to convert it from the birthday
1396                  * person's timezone to GMT - so the viewer may find the birthday starting at
1397                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1398                  *
1399                  */
1400
1401
1402                 $birthday = '';
1403
1404                 if(! strlen($tz))
1405                         $tz = 'UTC';
1406
1407                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1408                                 intval($uid)
1409                 );
1410
1411                 if($p && count($p)) {
1412                         $tmp_dob = substr($p[0]['dob'],5);
1413                         if(intval($tmp_dob)) {
1414                                 $y = datetime_convert($tz,$tz,'now','Y');
1415                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1416                                 $t_dob = strtotime($bd);
1417                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1418                                 if($t_dob < $now)
1419                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1420                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1421                         }
1422                 }
1423
1424                 return $birthday;
1425         }
1426 }
1427
1428 if(! function_exists('is_site_admin')) {
1429         function is_site_admin() {
1430                 $a = get_app();
1431                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1432                         return true;
1433                 return false;
1434         }
1435 }
1436
1437
1438 if(! function_exists('load_contact_links')) {
1439         function load_contact_links($uid) {
1440
1441                 $a = get_app();
1442
1443                 $ret = array();
1444
1445                 if(! $uid || x($a->contacts,'empty'))
1446                         return;
1447
1448                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1449                                 intval($uid)
1450                 );
1451                 if(count($r)) {
1452                         foreach($r as $rr){
1453                                 $url = normalise_link($rr['url']);
1454                                 $ret[$url] = $rr;
1455                         }
1456                 }
1457                 else
1458                         $ret['empty'] = true;
1459                 $a->contacts = $ret;
1460                 return;
1461         }
1462 }
1463
1464 if(! function_exists('profile_tabs')){
1465         function profile_tabs($a, $is_owner=False, $nickname=Null){
1466                 //echo "<pre>"; var_dump($a->user); killme();
1467
1468                 if (is_null($nickname))
1469                         $nickname  = $a->user['nickname'];
1470
1471                 if(x($_GET,'tab'))
1472                         $tab = notags(trim($_GET['tab']));
1473
1474                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1475
1476                 $tabs = array(
1477                         array(
1478                                 'label'=>t('Status'),
1479                                 'url' => $url,
1480                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1481                                 'title' => t('Status Messages and Posts'),
1482                         ),
1483                         array(
1484                                 'label' => t('Profile'),
1485                                 'url'   => $url.'/?tab=profile',
1486                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1487                                 'title' => t('Profile Details'),
1488                         ),
1489                         array(
1490                                 'label' => t('Photos'),
1491                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1492                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1493                                 'title' => t('Photo Albums'),
1494                         ),
1495                 );
1496
1497                 if ($is_owner){
1498                         $tabs[] = array(
1499                                 'label' => t('Events'),
1500                                 'url'   => $a->get_baseurl() . '/events',
1501                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1502                                 'title' => t('Events and Calendar'),
1503                         );
1504                         $tabs[] = array(
1505                                 'label' => t('Personal Notes'),
1506                                 'url'   => $a->get_baseurl() . '/notes',
1507                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1508                                 'title' => t('Only You Can See This'),
1509                         );
1510                 }
1511
1512
1513                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1514                 call_hooks('profile_tabs', $arr);
1515
1516                 $tpl = get_markup_template('common_tabs.tpl');
1517
1518                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1519         }
1520 }
1521
1522 function get_my_url() {
1523         if(x($_SESSION,'my_url'))
1524                 return $_SESSION['my_url'];
1525         return false;
1526 }
1527
1528 function zrl_init(&$a) {
1529         $tmp_str = get_my_url();
1530         if(validate_url($tmp_str)) {
1531                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1532                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1533                 call_hooks('zrl_init',$arr);
1534         }
1535 }
1536
1537 function zrl($s,$force = false) {
1538         if(! strlen($s))
1539                 return $s;
1540         if((! strpos($s,'/profile/')) && (! $force))
1541                 return $s;
1542         if($force && substr($s,-1,1) !== '/')
1543                 $s = $s . '/';
1544         $achar = strpos($s,'?') ? '&' : '?';
1545         $mine = get_my_url();
1546         if($mine and ! link_compare($mine,$s))
1547                 return $s . $achar . 'zrl=' . urlencode($mine);
1548         return $s;
1549 }