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',      '2.3.1326' );
  13 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  14 define ( 'DB_UPDATE_VERSION',      1140      );
  15
  16 define ( 'EOL',                    "<br />\r\n"     );
  17 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  18
  19
  20 /**
  21  *
  22  * Image storage quality. Lower numbers save space at cost of image detail.
  23  * For ease of upgrade, please do not change here. Change jpeg quality with
  24  * $a->config['system']['jpeg_quality'] = n;
  25  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  26  * below about 50
  27  *
  28  */
  29
  30 define ( 'JPEG_QUALITY',            100  );
  31
  32 /**
  33  * SSL redirection policies
  34  */
  35
  36 define ( 'SSL_POLICY_NONE',         0 );
  37 define ( 'SSL_POLICY_FULL',         1 );
  38 define ( 'SSL_POLICY_SELFSIGN',     2 );
  39
  40
  41 /**
  42  * log levels
  43  */
  44
  45 define ( 'LOGGER_NORMAL',          0 );
  46 define ( 'LOGGER_TRACE',           1 );
  47 define ( 'LOGGER_DEBUG',           2 );
  48 define ( 'LOGGER_DATA',            3 );
  49 define ( 'LOGGER_ALL',             4 );
  50
  51 /**
  52  * registration policies
  53  */
  54
  55 define ( 'REGISTER_CLOSED',        0 );
  56 define ( 'REGISTER_APPROVE',       1 );
  57 define ( 'REGISTER_OPEN',          2 );
  58
  59 /**
  60  * relationship types
  61  */
  62
  63 define ( 'CONTACT_IS_FOLLOWER', 1);
  64 define ( 'CONTACT_IS_SHARING',  2);
  65 define ( 'CONTACT_IS_FRIEND',   3);
  66
  67
  68 /**
  69  * Hook array order
  70  */
  71
  72 define ( 'HOOK_HOOK',      0);
  73 define ( 'HOOK_FILE',      1);
  74 define ( 'HOOK_FUNCTION',  2);
  75
  76 /**
  77  * DB update return values
  78  */
  79
  80 define ( 'UPDATE_SUCCESS', 0);
  81 define ( 'UPDATE_FAILED',  1);
  82
  83
  84 /**
  85  *
  86  * page/profile types
  87  *
  88  * PAGE_NORMAL is a typical personal profile account
  89  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
  90  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
  91  *      write access to wall and comments (no email and not included in page owner's ACL lists)
  92  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
  93  *
  94  */
  95
  96 define ( 'PAGE_NORMAL',            0 );
  97 define ( 'PAGE_SOAPBOX',           1 );
  98 define ( 'PAGE_COMMUNITY',         2 );
  99 define ( 'PAGE_FREELOVE',          3 );
 100 define ( 'PAGE_BLOG',              4 );
 101 define ( 'PAGE_PRVGROUP',          5 );
 102
 103 /**
 104  * Network and protocol family types
 105  */
 106
 107 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 108 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 109 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 110 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 111 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 112 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 113 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 114 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 115 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 116 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 117 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 118 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 119
 120 /**
 121  * These numbers are used in stored permissions
 122  * and existing allocations MUST NEVER BE CHANGED
 123  * OR RE-ASSIGNED! You may only add to them.
 124  */
 125
 126 $netgroup_ids = array(
 127         NETWORK_DFRN     => (-1),
 128         NETWORK_ZOT      => (-2),
 129         NETWORK_OSTATUS  => (-3),
 130         NETWORK_FEED     => (-4),
 131         NETWORK_DIASPORA => (-5),
 132         NETWORK_MAIL     => (-6),
 133         NETWORK_MAIL2    => (-7),
 134         NETWORK_FACEBOOK => (-8),
 135         NETWORK_LINKEDIN => (-9),
 136         NETWORK_XMPP     => (-10),
 137         NETWORK_MYSPACE  => (-11),
 138         NETWORK_GPLUS    => (-12),
 139 );
 140
 141
 142 /**
 143  * Maximum number of "people who like (or don't like) this"  that we will list by name
 144  */
 145
 146 define ( 'MAX_LIKERS',    75);
 147
 148 /**
 149  * Communication timeout
 150  */
 151
 152 define ( 'ZCURL_TIMEOUT' , (-1));
 153
 154
 155 /**
 156  * email notification options
 157  */
 158
 159 define ( 'NOTIFY_INTRO',    0x0001 );
 160 define ( 'NOTIFY_CONFIRM',  0x0002 );
 161 define ( 'NOTIFY_WALL',     0x0004 );
 162 define ( 'NOTIFY_COMMENT',  0x0008 );
 163 define ( 'NOTIFY_MAIL',     0x0010 );
 164 define ( 'NOTIFY_SUGGEST',  0x0020 );
 165 define ( 'NOTIFY_PROFILE',  0x0040 );
 166 define ( 'NOTIFY_TAGSELF',  0x0080 );
 167 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 168
 169 define ( 'NOTIFY_SYSTEM',   0x8000 );
 170
 171
 172 /**
 173  * various namespaces we may need to parse
 174  */
 175
 176 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 177 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 178 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 179 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 180 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 181 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 182 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 183 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 184 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 185 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 186 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 187 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 188 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 189 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 190 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 191 /**
 192  * activity stream defines
 193  */
 194
 195 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 196 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 197 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 198
 199 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 200 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 201 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 202 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 203 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 204 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 205 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 206 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 207 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 208
 209 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 210 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 211 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 212 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 213 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 214 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 215 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 216 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 217 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 218
 219 /**
 220  * item weight for query ordering
 221  */
 222
 223 define ( 'GRAVITY_PARENT',       0);
 224 define ( 'GRAVITY_LIKE',         3);
 225 define ( 'GRAVITY_COMMENT',      6);
 226
 227 /**
 228  *
 229  * Reverse the effect of magic_quotes_gpc if it is enabled.
 230  * Please disable magic_quotes_gpc so we don't have to do this.
 231  * See http://php.net/manual/en/security.magicquotes.disabling.php
 232  *
 233  */
 234
 235 function startup() {
 236         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 237         set_time_limit(0);
 238
 239         // This has to be quite large to deal with embedded private photos
 240         ini_set('pcre.backtrack_limit', 500000);
 241
 242
 243         if (get_magic_quotes_gpc()) {
 244                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 245                 while (list($key, $val) = each($process)) {
 246                         foreach ($val as $k => $v) {
 247                                 unset($process[$key][$k]);
 248                                 if (is_array($v)) {
 249                                         $process[$key][stripslashes($k)] = $v;
 250                                         $process[] = &$process[$key][stripslashes($k)];
 251                                 } else {
 252                                         $process[$key][stripslashes($k)] = stripslashes($v);
 253                                 }
 254                         }
 255                 }
 256                 unset($process);
 257         }
 258
 259 }
 260
 261 /**
 262  *
 263  * class: App
 264  *
 265  * Our main application structure for the life of this page
 266  * Primarily deals with the URL that got us here
 267  * and tries to make some sense of it, and
 268  * stores our page contents and config storage
 269  * and anything else that might need to be passed around
 270  * before we spit the page out.
 271  *
 272  */
 273
 274 if(! class_exists('App')) {
 275         class App {
 276
 277                 public  $module_loaded = false;
 278                 public  $query_string;
 279                 public  $config;
 280                 public  $page;
 281                 public  $profile;
 282                 public  $user;
 283                 public  $cid;
 284                 public  $contact;
 285                 public  $contacts;
 286                 public  $page_contact;
 287                 public  $content;
 288                 public  $data = array();
 289                 public  $error = false;
 290                 public  $cmd;
 291                 public  $argv;
 292                 public  $argc;
 293                 public  $module;
 294                 public  $pager;
 295                 public  $strings;
 296                 public  $path;
 297                 public  $hooks;
 298                 public  $timezone;
 299                 public  $interactive = true;
 300                 public  $plugins;
 301                 public  $apps = array();
 302                 public  $identities;
 303
 304                 public $nav_sel;
 305
 306                 public $category;
 307
 308                 private $scheme;
 309                 private $hostname;
 310                 private $baseurl;
 311                 private $db;
 312
 313                 private $curl_code;
 314                 private $curl_headers;
 315
 316                 function __construct() {
 317
 318                         $this->config = array();
 319                         $this->page = array();
 320                         $this->pager= array();
 321
 322                         $this->query_string = '';
 323
 324                         startup();
 325
 326                         $this->scheme = 'http';
 327                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 328                                 $this->scheme = 'https';
 329                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 330                         $this->scheme = 'https';
 331
 332
 333                         if(x($_SERVER,'SERVER_NAME')) {
 334                                 $this->hostname = $_SERVER['SERVER_NAME'];
 335                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 336                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 337                                 /**
 338                                  * Figure out if we are running at the top of a domain
 339                                  * or in a sub-directory and adjust accordingly
 340                                  */
 341
 342                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 343                                 if(isset($path) && strlen($path) && ($path != $this->path))
 344                                         $this->path = $path;
 345                         }
 346
 347                         set_include_path(
 348                                         "include/$this->hostname" . PATH_SEPARATOR
 349                                         . 'include' . PATH_SEPARATOR
 350                                         . 'library' . PATH_SEPARATOR
 351                                         . 'library/phpsec' . PATH_SEPARATOR
 352                                         . '.' );
 353
 354                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 355                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 356                                 // removing trailing / - maybe a nginx problem
 357                                 if (substr($this->query_string, 0, 1) == "/")
 358                                         $this->query_string = substr($this->query_string, 1);
 359                         }
 360                         if(x($_GET,'q'))
 361                                 $this->cmd = trim($_GET['q'],'/\\');
 362
 363                         // unix style "homedir"
 364
 365                         if(substr($this->cmd,0,1) === '~')
 366                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 367
 368                         // Diaspora style profile url
 369
 370                         if(substr($this->cmd,0,2) === 'u/')
 371                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 372
 373                         /**
 374                          *
 375                          * Break the URL path into C style argc/argv style arguments for our
 376                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 377                          * will be 3 (integer) and $this->argv will contain:
 378                          *   [0] => 'module'
 379                          *   [1] => 'arg1'
 380                          *   [2] => 'arg2'
 381                          *
 382                          *
 383                          * There will always be one argument. If provided a naked domain
 384                          * URL, $this->argv[0] is set to "home".
 385                          *
 386                          */
 387
 388                         $this->argv = explode('/',$this->cmd);
 389                         $this->argc = count($this->argv);
 390                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 391                                 $this->module = str_replace(".", "_", $this->argv[0]);
 392                                 if(array_key_exists('2',$this->argv)) {
 393                                         $this->category = $this->argv[2];
 394                                 }
 395                         }
 396                         else {
 397                                 $this->argc = 1;
 398                                 $this->argv = array('home');
 399                                 $this->module = 'home';
 400                         }
 401
 402                         /**
 403                          * Special handling for the webfinger/lrdd host XRD file
 404                          */
 405
 406                         if($this->cmd === '.well-known/host-meta') {
 407                                 $this->argc = 1;
 408                                 $this->argv = array('hostxrd');
 409                                 $this->module = 'hostxrd';
 410                         }
 411
 412                         /**
 413                          * See if there is any page number information, and initialise
 414                          * pagination
 415                          */
 416
 417                         $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 418                         $this->pager['itemspage'] = 50;
 419                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 420                         $this->pager['total'] = 0;
 421                 }
 422
 423                 function get_baseurl($ssl = false) {
 424
 425                         $scheme = $this->scheme;
 426
 427                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 428                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 429                                         $scheme = 'https';
 430
 431                                 //                      We need to populate the $ssl flag across the entire program before turning this on.
 432                                 //                      Basically, we'll have $ssl = true on any links which can only be seen by a logged in user
 433                                 //                      (and also the login link). Anything seen by an outsider will have it turned off.
 434                                 //                      At present, setting SSL_POLICY_SELFSIGN will only force remote contacts to update their
 435                                 //                      contact links to this site with "http:" if they are currently using "https:"
 436
 437                                 //                      if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 438                                 //                              if($ssl)
 439                                 //                                      $scheme = 'https';
 440                                 //                              else
 441                                 //                                      $scheme = 'http';
 442                                         //                      }
 443                 }
 444
 445                                 $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 446                                 return $this->baseurl;
 447                 }
 448
 449                 function set_baseurl($url) {
 450                         $parsed = @parse_url($url);
 451
 452                         $this->baseurl = $url;
 453
 454                         if($parsed) {
 455                                 $this->scheme = $parsed['scheme'];
 456
 457                                 $this->hostname = $parsed['host'];
 458                                 if(x($parsed,'port'))
 459                                         $this->hostname .= ':' . $parsed['port'];
 460                                 if(x($parsed,'path'))
 461                                         $this->path = trim($parsed['path'],'\\/');
 462                         }
 463
 464                 }
 465
 466                 function get_hostname() {
 467                         return $this->hostname;
 468                 }
 469
 470                 function set_hostname($h) {
 471                         $this->hostname = $h;
 472                 }
 473
 474                 function set_path($p) {
 475                         $this->path = trim(trim($p),'/');
 476                 }
 477
 478                 function get_path() {
 479                         return $this->path;
 480                 }
 481
 482                 function set_pager_total($n) {
 483                         $this->pager['total'] = intval($n);
 484                 }
 485
 486                 function set_pager_itemspage($n) {
 487                         $this->pager['itemspage'] = intval($n);
 488                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 489
 490                 }
 491
 492                 function init_pagehead() {
 493                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 494                         if($interval < 10000)
 495                                 $interval = 40000;
 496
 497                         $this->page['title'] = $this->config['sitename'];
 498                         $tpl = file_get_contents('view/head.tpl');
 499                         $this->page['htmlhead'] = replace_macros($tpl,array(
 500                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 501                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 502                                 '$delitem' => t('Delete this item?'),
 503                                 '$comment' => t('Comment'),
 504                                 '$showmore' => t('show more'),
 505                                 '$showfewer' => t('show fewer'),
 506                                 '$update_interval' => $interval
 507                         ));
 508                 }
 509
 510                 function set_curl_code($code) {
 511                         $this->curl_code = $code;
 512                 }
 513
 514                 function get_curl_code() {
 515                         return $this->curl_code;
 516                 }
 517
 518                 function set_curl_headers($headers) {
 519                         $this->curl_headers = $headers;
 520                 }
 521
 522                 function get_curl_headers() {
 523                         return $this->curl_headers;
 524                 }
 525
 526
 527         }
 528 }
 529
 530 // retrieve the App structure
 531 // useful in functions which require it but don't get it passed to them
 532
 533 if(! function_exists('get_app')) {
 534         function get_app() {
 535                 global $a;
 536                 return $a;
 537         }
 538 };
 539
 540
 541 // Multi-purpose function to check variable state.
 542 // Usage: x($var) or $x($array,'key')
 543 // returns false if variable/key is not set
 544 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 545 // e.g. x('') or x(0) returns 0;
 546
 547 if(! function_exists('x')) {
 548         function x($s,$k = NULL) {
 549                 if($k != NULL) {
 550                         if((is_array($s)) && (array_key_exists($k,$s))) {
 551                                 if($s[$k])
 552                                         return (int) 1;
 553                                 return (int) 0;
 554                 }
 555                         return false;
 556                 }
 557                 else {
 558                         if(isset($s)) {
 559                                 if($s) {
 560                                         return (int) 1;
 561                                 }
 562                                 return (int) 0;
 563                         }
 564                         return false;
 565                 }
 566         }
 567 }
 568
 569 // called from db initialisation if db is dead.
 570
 571 if(! function_exists('system_unavailable')) {
 572         function system_unavailable() {
 573                 include('system_unavailable.php');
 574                 system_down();
 575                 killme();
 576         }
 577 }
 578
 579
 580
 581 function clean_urls() {
 582         global $a;
 583         //      if($a->config['system']['clean_urls'])
 584         return true;
 585         //      return false;
 586 }
 587
 588 function z_path() {
 589         global $a;
 590         $base = $a->get_baseurl();
 591         if(! clean_urls())
 592                 $base .= '/?q=';
 593         return $base;
 594 }
 595
 596 function z_root() {
 597         global $a;
 598         return $a->get_baseurl();
 599 }
 600
 601 function absurl($path) {
 602         if(strpos($path,'/') === 0)
 603                 return z_path() . $path;
 604         return $path;
 605 }
 606
 607 function is_ajax() {
 608         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 609 }
 610
 611
 612 // Primarily involved with database upgrade, but also sets the
 613 // base url for use in cmdline programs which don't have
 614 // $_SERVER variables, and synchronising the state of installed plugins.
 615
 616
 617 if(! function_exists('check_config')) {
 618         function check_config(&$a) {
 619
 620                 $build = get_config('system','build');
 621                 if(! x($build))
 622                         $build = set_config('system','build',DB_UPDATE_VERSION);
 623
 624                 $url = get_config('system','url');
 625
 626                 // if the url isn't set or the stored url is radically different
 627                 // than the currently visited url, store the current value accordingly.
 628                 // "Radically different" ignores common variations such as http vs https
 629                 // and www.example.com vs example.com.
 630
 631                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 632                         $url = set_config('system','url',$a->get_baseurl());
 633
 634                 if($build != DB_UPDATE_VERSION) {
 635                         $stored = intval($build);
 636                         $current = intval(DB_UPDATE_VERSION);
 637                         if(($stored < $current) && file_exists('update.php')) {
 638
 639                                 load_config('database');
 640
 641                                 // We're reporting a different version than what is currently installed.
 642                                 // Run any existing update scripts to bring the database up to current.
 643
 644                                 require_once('update.php');
 645
 646                                 // make sure that boot.php and update.php are the same release, we might be
 647                                 // updating right this very second and the correct version of the update.php
 648                                 // file may not be here yet. This can happen on a very busy site.
 649
 650                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 651
 652                                         for($x = $stored; $x < $current; $x ++) {
 653                                                 if(function_exists('update_' . $x)) {
 654
 655                                                         // There could be a lot of processes running or about to run.
 656                                                         // We want exactly one process to run the update command.
 657                                                         // So store the fact that we're taking responsibility
 658                                                         // after first checking to see if somebody else already has.
 659
 660                                                         // If the update fails or times-out completely you may need to
 661                                                         // delete the config entry to try again.
 662
 663                                                         if(get_config('database','update_' . $x))
 664                                                                 break;
 665                                                         set_config('database','update_' . $x, '1');
 666
 667                                                         // call the specific update
 668
 669                                                         $func = 'update_' . $x;
 670                                                         $retval = $func($a);
 671                                                         if($retval) {
 672                                                                 //send the administrator an e-mail
 673                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 674                                                                 $email_msg = replace_macros($email_tpl, array(
 675                                                                         '$sitename' => $a->config['sitename'],
 676                                                                         '$siteurl' =>  $a->get_baseurl(),
 677                                                                         '$update' => $x,
 678                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 679                                                                 ));
 680                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 681
 682                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 683                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 684                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 685                                                                         . 'Content-transfer-encoding: 8bit' );
 686                                                                 //try the logger
 687                                                                 logger('CRITICAL: Update Failed: '. $x);
 688                                                         }
 689                                                         else
 690                                                                 set_config('database','update_' . $x, 'success');
 691
 692                                                 }
 693                                         }
 694                                         set_config('system','build', DB_UPDATE_VERSION);
 695                                 }
 696                         }
 697                 }
 698
 699                 /**
 700                  *
 701                  * Synchronise plugins:
 702                  *
 703                  * $a->config['system']['addon'] contains a comma-separated list of names
 704                  * of plugins/addons which are used on this system.
 705                  * Go through the database list of already installed addons, and if we have
 706                  * an entry, but it isn't in the config list, call the uninstall procedure
 707                  * and mark it uninstalled in the database (for now we'll remove it).
 708                  * Then go through the config list and if we have a plugin that isn't installed,
 709                  * call the install procedure and add it to the database.
 710                  *
 711                  */
 712
 713                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 714                 if(count($r))
 715                         $installed = $r;
 716                 else
 717                         $installed = array();
 718
 719                 $plugins = get_config('system','addon');
 720                 $plugins_arr = array();
 721
 722                 if($plugins)
 723                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 724
 725                 $a->plugins = $plugins_arr;
 726
 727                 $installed_arr = array();
 728
 729                 if(count($installed)) {
 730                         foreach($installed as $i) {
 731                                 if(! in_array($i['name'],$plugins_arr)) {
 732                                         uninstall_plugin($i['name']);
 733                                 }
 734                                 else {
 735                                         $installed_arr[] = $i['name'];
 736                                 }
 737                         }
 738                 }
 739
 740                 if(count($plugins_arr)) {
 741                         foreach($plugins_arr as $p) {
 742                                 if(! in_array($p,$installed_arr)) {
 743                                         install_plugin($p);
 744                                 }
 745                         }
 746                 }
 747
 748
 749                 load_hooks();
 750
 751                 return;
 752         }
 753 }
 754
 755
 756 function get_guid($size=16) {
 757         $exists = true; // assume by default that we don't have a unique guid
 758         do {
 759                 $s = random_string($size);
 760                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 761                 if(! count($r))
 762                         $exists = false;
 763         } while($exists);
 764         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 765         return $s;
 766 }
 767
 768
 769 // wrapper for adding a login box. If $register == true provide a registration
 770 // link. This will most always depend on the value of $a->config['register_policy'].
 771 // returns the complete html for inserting into the page
 772
 773 if(! function_exists('login')) {
 774         function login($register = false, $hiddens=false) {
 775                 $a = get_app();
 776                 $o = "";
 777                 $reg = false;
 778                 if ($register) {
 779                         $reg = array(
 780                                 'title' => t('Create a New Account'),
 781                                 'desc' => t('Register')
 782                         );
 783                 }
 784
 785                 $noid = get_config('system','no_openid');
 786
 787                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 788
 789                 if(local_user()) {
 790                         $tpl = get_markup_template("logout.tpl");
 791                 }
 792                 else {
 793                         $tpl = get_markup_template("login.tpl");
 794                         $_SESSION['return_url'] = $a->query_string;
 795                 }
 796
 797
 798                 $o .= replace_macros($tpl,array(
 799
 800                         '$dest_url'     => $dest_url,
 801                         '$logout'       => t('Logout'),
 802                         '$login'        => t('Login'),
 803
 804                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 805                         '$lpassword'    => array('password', t('Password: '), '', ''),
 806
 807                         '$openid'               => !$noid,
 808                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 809
 810                         '$hiddens'      => $hiddens,
 811
 812                         '$register'     => $reg,
 813
 814                         '$lostpass'     => t('Forgot your password?'),
 815                         '$lostlink'     => t('Password Reset'),
 816                 ));
 817
 818                 call_hooks('login_hook',$o);
 819
 820                 return $o;
 821         }
 822 }
 823
 824 // Used to end the current process, after saving session state.
 825
 826 if(! function_exists('killme')) {
 827         function killme() {
 828                 session_write_close();
 829                 exit;
 830         }
 831 }
 832
 833 // redirect to another URL and terminate this process.
 834
 835 if(! function_exists('goaway')) {
 836         function goaway($s) {
 837                 header("Location: $s");
 838                 killme();
 839         }
 840 }
 841
 842
 843 // Returns the uid of locally logged in user or false.
 844
 845 if(! function_exists('local_user')) {
 846         function local_user() {
 847                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 848                         return intval($_SESSION['uid']);
 849                 return false;
 850         }
 851 }
 852
 853 // Returns contact id of authenticated site visitor or false
 854
 855 if(! function_exists('remote_user')) {
 856         function remote_user() {
 857                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 858                         return intval($_SESSION['visitor_id']);
 859                 return false;
 860         }
 861 }
 862
 863 // contents of $s are displayed prominently on the page the next time
 864 // a page is loaded. Usually used for errors or alerts.
 865
 866 if(! function_exists('notice')) {
 867         function notice($s) {
 868                 $a = get_app();
 869                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 870                 if($a->interactive)
 871                         $_SESSION['sysmsg'][] = $s;
 872         }
 873 }
 874 if(! function_exists('info')) {
 875         function info($s) {
 876                 $a = get_app();
 877                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 878                 if($a->interactive)
 879                         $_SESSION['sysmsg_info'][] = $s;
 880         }
 881 }
 882
 883
 884 // wrapper around config to limit the text length of an incoming message
 885
 886 if(! function_exists('get_max_import_size')) {
 887         function get_max_import_size() {
 888                 global $a;
 889                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 890         }
 891 }
 892
 893
 894
 895 /**
 896  *
 897  * Function : profile_load
 898  * @parameter App    $a
 899  * @parameter string $nickname
 900  * @parameter int    $profile
 901  *
 902  * Summary: Loads a profile into the page sidebar.
 903  * The function requires a writeable copy of the main App structure, and the nickname
 904  * of a registered local account.
 905  *
 906  * If the viewer is an authenticated remote viewer, the profile displayed is the
 907  * one that has been configured for his/her viewing in the Contact manager.
 908  * Passing a non-zero profile ID can also allow a preview of a selected profile
 909  * by the owner.
 910  *
 911  * Profile information is placed in the App structure for later retrieval.
 912  * Honours the owner's chosen theme for display.
 913  *
 914  */
 915
 916 if(! function_exists('profile_load')) {
 917         function profile_load(&$a, $nickname, $profile = 0) {
 918                 if(remote_user()) {
 919                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 920                                         intval($_SESSION['visitor_id']));
 921                         if(count($r))
 922                                 $profile = $r[0]['profile-id'];
 923                 }
 924
 925                 $r = null;
 926
 927                 if($profile) {
 928                         $profile_int = intval($profile);
 929                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 930                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 931                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 932                                         dbesc($nickname),
 933                                         intval($profile_int)
 934                         );
 935                 }
 936                 if((! $r) && (!  count($r))) {
 937                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 938                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 939                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 940                                         dbesc($nickname)
 941                         );
 942                 }
 943
 944                 if(($r === false) || (! count($r))) {
 945                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 946                         notice( t('Requested profile is not available.') . EOL );
 947                         $a->error = 404;
 948                         return;
 949                 }
 950
 951                 // fetch user tags if this isn't the default profile
 952
 953                 if(! $r[0]['is-default']) {
 954                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 955                                         intval($profile_uid)
 956                         );
 957                         if($x && count($x))
 958                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 959                 }
 960
 961                 $a->profile = $r[0];
 962
 963
 964                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 965                 $_SESSION['theme'] = $a->profile['theme'];
 966
 967                 /**
 968                  * load/reload current theme info
 969                  */
 970
 971                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
 972                 if (file_exists($theme_info_file)){
 973                         require_once($theme_info_file);
 974                 }
 975
 976                 if(! (x($a->page,'aside')))
 977                         $a->page['aside'] = '';
 978
 979                 if(local_user() && local_user() == $a->profile['uid']) {
 980                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
 981                                 '$editprofile' => t('Edit profile'),
 982                                 '$profid' => $a->profile['id']
 983                         ));
 984                 }
 985
 986                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
 987
 988                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
 989
 990                 /*if(! $block)
 991                  $a->page['aside'] .= contact_block();*/
 992
 993                 return;
 994         }
 995 }
 996
 997
 998 /**
 999  *
1000  * Function: profile_sidebar
1001  *
1002  * Formats a profile for display in the sidebar.
1003  * It is very difficult to templatise the HTML completely
1004  * because of all the conditional logic.
1005  *
1006  * @parameter: array $profile
1007  *
1008  * Returns HTML string stuitable for sidebar inclusion
1009  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1010  *
1011  */
1012
1013
1014 if(! function_exists('profile_sidebar')) {
1015         function profile_sidebar($profile, $block = 0) {
1016
1017                 $a = get_app();
1018
1019                 $o = '';
1020                 $location = false;
1021                 $address = false;
1022                 $pdesc = true;
1023
1024                 if((! is_array($profile)) && (! count($profile)))
1025                         return $o;
1026
1027                 $profile['picdate'] = urlencode($profile['picdate']);
1028
1029                 call_hooks('profile_sidebar_enter', $profile);
1030
1031
1032                 // don't show connect link to yourself
1033                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1034
1035                 // don't show connect link to authenticated visitors either
1036
1037                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1038                         $connect = False;
1039
1040                 if(get_my_url() && $profile['unkmail'])
1041                         $wallmessage = t('Message');
1042                 else
1043                         $wallmessage = false;
1044
1045
1046
1047                 // show edit profile to yourself
1048                 if ($profile['uid'] == local_user()) {
1049                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1050
1051                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1052                                         local_user());
1053
1054                         $profile['menu'] = array(
1055                                 'chg_photo' => t('Change profile photo'),
1056                                 'cr_new' => t('Create New Profile'),
1057                                 'entries' => array(),
1058                         );
1059
1060                         if(count($r)) {
1061
1062                                 foreach($r as $rr) {
1063                                         $profile['menu']['entries'][] = array(
1064                                                 'photo' => $rr['thumb'],
1065                                                 'id' => $rr['id'],
1066                                                 'alt' => t('Profile Image'),
1067                                                 'profile_name' => $rr['profile-name'],
1068                                                 'isdefault' => $rr['is-default'],
1069                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1070                                                 'edit_visibility' => t('Edit visibility'),
1071
1072                                         );
1073                                 }
1074
1075
1076                         }
1077
1078
1079                 }
1080
1081
1082
1083
1084                 if((x($profile,'address') == 1)
1085                                 || (x($profile,'locality') == 1)
1086                                 || (x($profile,'region') == 1)
1087                                 || (x($profile,'postal-code') == 1)
1088                                 || (x($profile,'country-name') == 1))
1089                         $location = t('Location:');
1090
1091                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1092
1093
1094                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1095
1096                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1097
1098                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1099                         $location = $pdesc = $gender = $marital = $homepage = False;
1100                 }
1101
1102                 $firstname = ((strpos($profile['name'],' '))
1103                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1104                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1105
1106                 $diaspora = array(
1107                         'podloc' => $a->get_baseurl(),
1108                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1109                         'nickname' => $profile['nickname'],
1110                         'fullname' => $profile['name'],
1111                         'firstname' => $firstname,
1112                         'lastname' => $lastname,
1113                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1114                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1115                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1116                 );
1117
1118                 if (!$block){
1119                         $contact_block = contact_block();
1120                 }
1121
1122
1123                 $tpl = get_markup_template('profile_vcard.tpl');
1124
1125                 $o .= replace_macros($tpl, array(
1126                         '$profile' => $profile,
1127                         '$connect'  => $connect,
1128                         '$wallmessage' => $wallmessage,
1129                         '$location' => template_escape($location),
1130                         '$gender'   => $gender,
1131                         '$pdesc'        => $pdesc,
1132                         '$marital'  => $marital,
1133                         '$homepage' => $homepage,
1134                         '$diaspora' => $diaspora,
1135                         '$contact_block' => $contact_block,
1136                 ));
1137
1138
1139                 $arr = array('profile' => &$profile, 'entry' => &$o);
1140
1141                 call_hooks('profile_sidebar', $arr);
1142
1143                 return $o;
1144         }
1145 }
1146
1147
1148 if(! function_exists('get_birthdays')) {
1149         function get_birthdays() {
1150
1151                 $a = get_app();
1152                 $o = '';
1153
1154                 if(! local_user())
1155                         return $o;
1156
1157                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1158                 $bd_short = t('F d');
1159
1160                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1161                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1162                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1163                                 ORDER BY `start` ASC ",
1164                                 intval(local_user()),
1165                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1166                                 dbesc(datetime_convert('UTC','UTC','now'))
1167                 );
1168
1169                 if($r && count($r)) {
1170                         $total = 0;
1171                         $now = strtotime('now');
1172                         $cids = array();
1173
1174                         $istoday = false;
1175                         foreach($r as $rr) {
1176                                 if(strlen($rr['name']))
1177                                         $total ++;
1178                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1179                                         $istoday = true;
1180                         }
1181                         $classtoday = $istoday ? ' birthday-today ' : '';
1182                         if($total) {
1183                                 foreach($r as &$rr) {
1184                                         if(! strlen($rr['name']))
1185                                                 continue;
1186
1187                                         // avoid duplicates
1188
1189                                         if(in_array($rr['cid'],$cids))
1190                                                 continue;
1191                                         $cids[] = $rr['cid'];
1192
1193                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1194                                         $sparkle = '';
1195                                         $url = $rr['url'];
1196                                         if($rr['network'] === NETWORK_DFRN) {
1197                                                 $sparkle = " sparkle";
1198                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1199                                         }
1200
1201                                         $rr['link'] = $url;
1202                                         $rr['title'] = $rr['name'];
1203                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1204                                         $rr['startime'] = Null;
1205                                         $rr['today'] = $today;
1206
1207                                 }
1208                         }
1209                 }
1210                 $tpl = get_markup_template("birthdays_reminder.tpl");
1211                 return replace_macros($tpl, array(
1212                         '$baseurl' => $a->get_baseurl(),
1213                         '$classtoday' => $classtoday,
1214                         '$count' => $total,
1215                         '$event_reminders' => t('Birthday Reminders'),
1216                         '$event_title' => t('Birthdays this week:'),
1217                         '$events' => $r,
1218                 ));
1219         }
1220 }
1221
1222
1223 if(! function_exists('get_events')) {
1224         function get_events() {
1225
1226                 require_once('include/bbcode.php');
1227
1228                 $a = get_app();
1229
1230                 if(! local_user())
1231                         return $o;
1232
1233                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1234                 $bd_short = t('F d');
1235
1236                 $r = q("SELECT `event`.* FROM `event`
1237                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1238                                 ORDER BY `start` ASC ",
1239                                 intval(local_user()),
1240                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1241                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1242                 );
1243
1244                 if($r && count($r)) {
1245                         $now = strtotime('now');
1246                         $istoday = false;
1247                         foreach($r as $rr) {
1248                                 if(strlen($rr['name']))
1249                                         $total ++;
1250
1251                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1252                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1253                                         $istoday = true;
1254                         }
1255                         $classtoday = (($istoday) ? 'event-today' : '');
1256
1257
1258                         foreach($r as &$rr) {
1259                                 if($rr['adjust'])
1260                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1261                                 else
1262                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1263                                 $md .= "/#link-".$rr['id'];
1264
1265                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1266                                 if(! $title)
1267                                         $title = t('[No description]');
1268
1269                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1270                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1271
1272                                 $rr['link'] = $md;
1273                                 $rr['title'] = $title;
1274                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1275                                 $rr['startime'] = $strt;
1276                                 $rr['today'] = $today;
1277                         }
1278                 }
1279
1280                 $tpl = get_markup_template("events_reminder.tpl");
1281                 return replace_macros($tpl, array(
1282                         '$baseurl' => $a->get_baseurl(),
1283                         '$classtoday' => $classtoday,
1284                         '$count' => count($r),
1285                         '$event_reminders' => t('Event Reminders'),
1286                         '$event_title' => t('Events this week:'),
1287                         '$events' => $r,
1288                 ));
1289         }
1290 }
1291
1292
1293 /**
1294  *
1295  * Wrap calls to proc_close(proc_open()) and call hook
1296  * so plugins can take part in process :)
1297  *
1298  * args:
1299  * $cmd program to run
1300  *  next args are passed as $cmd command line
1301  *
1302  * e.g.: proc_run("ls","-la","/tmp");
1303  *
1304  * $cmd and string args are surrounded with ""
1305  */
1306
1307 if(! function_exists('proc_run')) {
1308         function proc_run($cmd){
1309
1310                 $a = get_app();
1311
1312                 $args = func_get_args();
1313                 $arr = array('args' => $args, 'run_cmd' => true);
1314
1315                 call_hooks("proc_run", $arr);
1316                 if(! $arr['run_cmd'])
1317                         return;
1318
1319                 if(count($args) && $args[0] === 'php')
1320                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1321                 foreach ($args as $arg){
1322                         $arg = escapeshellarg($arg);
1323                 }
1324                 $cmdline = implode($args," ");
1325                 proc_close(proc_open($cmdline." &",array(),$foo));
1326         }
1327 }
1328
1329 if(! function_exists('current_theme')) {
1330         function current_theme(){
1331                 $app_base_themes = array('duepuntozero', 'loozah');
1332
1333                 $a = get_app();
1334
1335                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1336                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1337
1338                 if($theme_name &&
1339                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1340                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1341                         return($theme_name);
1342
1343                 foreach($app_base_themes as $t) {
1344                         if(file_exists('view/theme/' . $t . '/style.css')||
1345                                         file_exists('view/theme/' . $t . '/style.php'))
1346                                 return($t);
1347                 }
1348
1349                 $fallback = glob('view/theme/*/style.[css|php]');
1350                 if(count($fallback))
1351                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1352
1353         }
1354 }
1355
1356 /*
1357  * Return full URL to theme which is currently in effect.
1358 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1359 */
1360 if(! function_exists('current_theme_url')) {
1361         function current_theme_url() {
1362                 global $a;
1363                 $t = current_theme();
1364                 if (file_exists('view/theme/' . $t . '/style.php'))
1365                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1366                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1367         }
1368 }
1369
1370 if(! function_exists('feed_birthday')) {
1371         function feed_birthday($uid,$tz) {
1372
1373                 /**
1374                  *
1375                  * Determine the next birthday, but only if the birthday is published
1376                  * in the default profile. We _could_ also look for a private profile that the
1377                  * recipient can see, but somebody could get mad at us if they start getting
1378                  * public birthday greetings when they haven't made this info public.
1379                  *
1380                  * Assuming we are able to publish this info, we are then going to convert
1381                  * the start time from the owner's timezone to UTC.
1382                  *
1383                  * This will potentially solve the problem found with some social networks
1384                  * where birthdays are converted to the viewer's timezone and salutations from
1385                  * elsewhere in the world show up on the wrong day. We will convert it to the
1386                  * viewer's timezone also, but first we are going to convert it from the birthday
1387                  * person's timezone to GMT - so the viewer may find the birthday starting at
1388                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1389                  *
1390                  */
1391
1392
1393                 $birthday = '';
1394
1395                 if(! strlen($tz))
1396                         $tz = 'UTC';
1397
1398                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1399                                 intval($uid)
1400                 );
1401
1402                 if($p && count($p)) {
1403                         $tmp_dob = substr($p[0]['dob'],5);
1404                         if(intval($tmp_dob)) {
1405                                 $y = datetime_convert($tz,$tz,'now','Y');
1406                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1407                                 $t_dob = strtotime($bd);
1408                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1409                                 if($t_dob < $now)
1410                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1411                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1412                         }
1413                 }
1414
1415                 return $birthday;
1416         }
1417 }
1418
1419 if(! function_exists('is_site_admin')) {
1420         function is_site_admin() {
1421                 $a = get_app();
1422                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1423                         return true;
1424                 return false;
1425         }
1426 }
1427
1428
1429 if(! function_exists('load_contact_links')) {
1430         function load_contact_links($uid) {
1431
1432                 $a = get_app();
1433
1434                 $ret = array();
1435
1436                 if(! $uid || x($a->contacts,'empty'))
1437                         return;
1438
1439                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1440                                 intval($uid)
1441                 );
1442                 if(count($r)) {
1443                         foreach($r as $rr){
1444                                 $url = normalise_link($rr['url']);
1445                                 $ret[$url] = $rr;
1446                         }
1447                 }
1448                 else
1449                         $ret['empty'] = true;
1450                 $a->contacts = $ret;
1451                 return;
1452         }
1453 }
1454
1455 if(! function_exists('profile_tabs')){
1456         function profile_tabs($a, $is_owner=False, $nickname=Null){
1457                 //echo "<pre>"; var_dump($a->user); killme();
1458
1459                 if (is_null($nickname))
1460                         $nickname  = $a->user['nickname'];
1461
1462                 if(x($_GET,'tab'))
1463                         $tab = notags(trim($_GET['tab']));
1464
1465                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1466
1467                 $tabs = array(
1468                         array(
1469                                 'label'=>t('Status'),
1470                                 'url' => $url,
1471                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1472                         ),
1473                         array(
1474                                 'label' => t('Profile'),
1475                                 'url'   => $url.'/?tab=profile',
1476                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1477                         ),
1478                         array(
1479                                 'label' => t('Photos'),
1480                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1481                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1482                         ),
1483                 );
1484
1485                 if ($is_owner){
1486                         $tabs[] = array(
1487                                 'label' => t('Events'),
1488                                 'url'   => $a->get_baseurl() . '/events',
1489                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1490                         );
1491                         $tabs[] = array(
1492                                 'label' => t('Personal Notes'),
1493                                 'url'   => $a->get_baseurl() . '/notes',
1494                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1495                         );
1496                 }
1497
1498
1499                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1500                 call_hooks('profile_tabs', $arr);
1501
1502                 $tpl = get_markup_template('common_tabs.tpl');
1503
1504                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1505         }
1506 }
1507
1508 function get_my_url() {
1509         if(x($_SESSION,'my_url'))
1510                 return $_SESSION['my_url'];
1511         return false;
1512 }
1513
1514 function zrl($s,$force = false) {
1515         if(! strlen($s))
1516                 return $s;
1517         if((! strpos($s,'/profile/')) && (! $force))
1518                 return $s;
1519         if($force && substr($s,-1,1) !== '/')
1520                 $s = $s . '/';
1521         $achar = strpos($s,'?') ? '&' : '?';
1522         $mine = get_my_url();
1523         if($mine and ! link_compare($mine,$s))
1524                 return $s . $achar . 'zrl=' . urlencode($mine);
1525         return $s;
1526 }