boot.php

   1 <?php
   2
   3 require_once('include/config.php');
   4 require_once('include/network.php');
   5 require_once('include/plugin.php');
   6 require_once('include/text.php');
   7 require_once('include/pgettext.php');
   8 require_once('include/nav.php');
   9 require_once('include/cache.php');
  10
  11 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  12 define ( 'FRIENDICA_VERSION',      '3.0.1369' );
  13 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  14 define ( 'DB_UPDATE_VERSION',      1149      );
  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  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  33  */
  34 define ( 'PNG_QUALITY',             8  );
  35
  36
  37 /**
  38  * Not yet used
  39  */
  40
  41 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  42
  43 /**
  44  * SSL redirection policies
  45  */
  46
  47 define ( 'SSL_POLICY_NONE',         0 );
  48 define ( 'SSL_POLICY_FULL',         1 );
  49 define ( 'SSL_POLICY_SELFSIGN',     2 );
  50
  51
  52 /**
  53  * log levels
  54  */
  55
  56 define ( 'LOGGER_NORMAL',          0 );
  57 define ( 'LOGGER_TRACE',           1 );
  58 define ( 'LOGGER_DEBUG',           2 );
  59 define ( 'LOGGER_DATA',            3 );
  60 define ( 'LOGGER_ALL',             4 );
  61
  62 /**
  63  * registration policies
  64  */
  65
  66 define ( 'REGISTER_CLOSED',        0 );
  67 define ( 'REGISTER_APPROVE',       1 );
  68 define ( 'REGISTER_OPEN',          2 );
  69
  70 /**
  71  * relationship types
  72  */
  73
  74 define ( 'CONTACT_IS_FOLLOWER', 1);
  75 define ( 'CONTACT_IS_SHARING',  2);
  76 define ( 'CONTACT_IS_FRIEND',   3);
  77
  78
  79 /**
  80  * Hook array order
  81  */
  82
  83 define ( 'HOOK_HOOK',      0);
  84 define ( 'HOOK_FILE',      1);
  85 define ( 'HOOK_FUNCTION',  2);
  86
  87 /**
  88  * DB update return values
  89  */
  90
  91 define ( 'UPDATE_SUCCESS', 0);
  92 define ( 'UPDATE_FAILED',  1);
  93
  94
  95 /**
  96  *
  97  * page/profile types
  98  *
  99  * PAGE_NORMAL is a typical personal profile account
 100  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
 101  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
 102  *      write access to wall and comments (no email and not included in page owner's ACL lists)
 103  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
 104  *
 105  */
 106
 107 define ( 'PAGE_NORMAL',            0 );
 108 define ( 'PAGE_SOAPBOX',           1 );
 109 define ( 'PAGE_COMMUNITY',         2 );
 110 define ( 'PAGE_FREELOVE',          3 );
 111 define ( 'PAGE_BLOG',              4 );
 112 define ( 'PAGE_PRVGROUP',          5 );
 113
 114 /**
 115  * Network and protocol family types
 116  */
 117
 118 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 119 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 120 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 121 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 122 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 123 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 124 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 125 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 126 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 127 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 128 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 129 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 130
 131 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 132
 133 /**
 134  * These numbers are used in stored permissions
 135  * and existing allocations MUST NEVER BE CHANGED
 136  * OR RE-ASSIGNED! You may only add to them.
 137  */
 138
 139 $netgroup_ids = array(
 140         NETWORK_DFRN     => (-1),
 141         NETWORK_ZOT      => (-2),
 142         NETWORK_OSTATUS  => (-3),
 143         NETWORK_FEED     => (-4),
 144         NETWORK_DIASPORA => (-5),
 145         NETWORK_MAIL     => (-6),
 146         NETWORK_MAIL2    => (-7),
 147         NETWORK_FACEBOOK => (-8),
 148         NETWORK_LINKEDIN => (-9),
 149         NETWORK_XMPP     => (-10),
 150         NETWORK_MYSPACE  => (-11),
 151         NETWORK_GPLUS    => (-12),
 152
 153         NETWORK_PHANTOM  => (-127),
 154 );
 155
 156
 157 /**
 158  * Maximum number of "people who like (or don't like) this"  that we will list by name
 159  */
 160
 161 define ( 'MAX_LIKERS',    75);
 162
 163 /**
 164  * Communication timeout
 165  */
 166
 167 define ( 'ZCURL_TIMEOUT' , (-1));
 168
 169
 170 /**
 171  * email notification options
 172  */
 173
 174 define ( 'NOTIFY_INTRO',    0x0001 );
 175 define ( 'NOTIFY_CONFIRM',  0x0002 );
 176 define ( 'NOTIFY_WALL',     0x0004 );
 177 define ( 'NOTIFY_COMMENT',  0x0008 );
 178 define ( 'NOTIFY_MAIL',     0x0010 );
 179 define ( 'NOTIFY_SUGGEST',  0x0020 );
 180 define ( 'NOTIFY_PROFILE',  0x0040 );
 181 define ( 'NOTIFY_TAGSELF',  0x0080 );
 182 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 183
 184 define ( 'NOTIFY_SYSTEM',   0x8000 );
 185
 186
 187 /**
 188  * various namespaces we may need to parse
 189  */
 190
 191 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 192 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 193 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 194 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 195 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 196 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 197 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 198 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 199 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 200 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 201 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 202 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 203 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 204 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 205 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 206 /**
 207  * activity stream defines
 208  */
 209
 210 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 211 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 212 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 213
 214 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 215 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 216 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 217 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 218 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 219 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 220
 221 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 222 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 223 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 224 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 225
 226 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 227 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 228 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 229 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 230 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 231 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 232 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 233 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 234 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 235 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 236
 237 /**
 238  * item weight for query ordering
 239  */
 240
 241 define ( 'GRAVITY_PARENT',       0);
 242 define ( 'GRAVITY_LIKE',         3);
 243 define ( 'GRAVITY_COMMENT',      6);
 244
 245 /**
 246  *
 247  * Reverse the effect of magic_quotes_gpc if it is enabled.
 248  * Please disable magic_quotes_gpc so we don't have to do this.
 249  * See http://php.net/manual/en/security.magicquotes.disabling.php
 250  *
 251  */
 252
 253 function startup() {
 254         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 255         set_time_limit(0);
 256
 257         // This has to be quite large to deal with embedded private photos
 258         ini_set('pcre.backtrack_limit', 500000);
 259
 260
 261         if (get_magic_quotes_gpc()) {
 262                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 263                 while (list($key, $val) = each($process)) {
 264                         foreach ($val as $k => $v) {
 265                                 unset($process[$key][$k]);
 266                                 if (is_array($v)) {
 267                                         $process[$key][stripslashes($k)] = $v;
 268                                         $process[] = &$process[$key][stripslashes($k)];
 269                                 } else {
 270                                         $process[$key][stripslashes($k)] = stripslashes($v);
 271                                 }
 272                         }
 273                 }
 274                 unset($process);
 275         }
 276
 277 }
 278
 279 /**
 280  *
 281  * class: App
 282  *
 283  * Our main application structure for the life of this page
 284  * Primarily deals with the URL that got us here
 285  * and tries to make some sense of it, and
 286  * stores our page contents and config storage
 287  * and anything else that might need to be passed around
 288  * before we spit the page out.
 289  *
 290  */
 291
 292 if(! class_exists('App')) {
 293         class App {
 294
 295                 public  $module_loaded = false;
 296                 public  $query_string;
 297                 public  $config;
 298                 public  $page;
 299                 public  $profile;
 300                 public  $user;
 301                 public  $cid;
 302                 public  $contact;
 303                 public  $contacts;
 304                 public  $page_contact;
 305                 public  $content;
 306                 public  $data = array();
 307                 public  $error = false;
 308                 public  $cmd;
 309                 public  $argv;
 310                 public  $argc;
 311                 public  $module;
 312                 public  $pager;
 313                 public  $strings;
 314                 public  $path;
 315                 public  $hooks;
 316                 public  $timezone;
 317                 public  $interactive = true;
 318                 public  $plugins;
 319                 public  $apps = array();
 320                 public  $identities;
 321
 322                 public $nav_sel;
 323
 324                 public $category;
 325
 326                 private $scheme;
 327                 private $hostname;
 328                 private $baseurl;
 329                 private $db;
 330
 331                 private $curl_code;
 332                 private $curl_headers;
 333
 334                 function __construct() {
 335
 336                         $this->config = array();
 337                         $this->page = array();
 338                         $this->pager= array();
 339
 340                         $this->query_string = '';
 341
 342                         startup();
 343
 344                         $this->scheme = 'http';
 345                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 346                                 $this->scheme = 'https';
 347                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 348                         $this->scheme = 'https';
 349
 350
 351                         if(x($_SERVER,'SERVER_NAME')) {
 352                                 $this->hostname = $_SERVER['SERVER_NAME'];
 353                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 354                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 355                                 /**
 356                                  * Figure out if we are running at the top of a domain
 357                                  * or in a sub-directory and adjust accordingly
 358                                  */
 359
 360                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 361                                 if(isset($path) && strlen($path) && ($path != $this->path))
 362                                         $this->path = $path;
 363                         }
 364
 365                         set_include_path(
 366                                         "include/$this->hostname" . PATH_SEPARATOR
 367                                         . 'include' . PATH_SEPARATOR
 368                                         . 'library' . PATH_SEPARATOR
 369                                         . 'library/phpsec' . PATH_SEPARATOR
 370                                         . '.' );
 371
 372                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 373                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 374                                 // removing trailing / - maybe a nginx problem
 375                                 if (substr($this->query_string, 0, 1) == "/")
 376                                         $this->query_string = substr($this->query_string, 1);
 377                         }
 378                         if(x($_GET,'q'))
 379                                 $this->cmd = trim($_GET['q'],'/\\');
 380
 381                         // unix style "homedir"
 382
 383                         if(substr($this->cmd,0,1) === '~')
 384                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 385
 386                         // Diaspora style profile url
 387
 388                         if(substr($this->cmd,0,2) === 'u/')
 389                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 390
 391                         /**
 392                          *
 393                          * Break the URL path into C style argc/argv style arguments for our
 394                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 395                          * will be 3 (integer) and $this->argv will contain:
 396                          *   [0] => 'module'
 397                          *   [1] => 'arg1'
 398                          *   [2] => 'arg2'
 399                          *
 400                          *
 401                          * There will always be one argument. If provided a naked domain
 402                          * URL, $this->argv[0] is set to "home".
 403                          *
 404                          */
 405
 406                         $this->argv = explode('/',$this->cmd);
 407                         $this->argc = count($this->argv);
 408                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 409                                 $this->module = str_replace(".", "_", $this->argv[0]);
 410                                 if(array_key_exists('2',$this->argv)) {
 411                                         $this->category = $this->argv[2];
 412                                 }
 413                         }
 414                         else {
 415                                 $this->argc = 1;
 416                                 $this->argv = array('home');
 417                                 $this->module = 'home';
 418                         }
 419
 420                         /**
 421                          * Special handling for the webfinger/lrdd host XRD file
 422                          */
 423
 424                         if($this->cmd === '.well-known/host-meta') {
 425                                 $this->argc = 1;
 426                                 $this->argv = array('hostxrd');
 427                                 $this->module = 'hostxrd';
 428                         }
 429
 430                         /**
 431                          * See if there is any page number information, and initialise
 432                          * pagination
 433                          */
 434
 435                         $this->pager['page'] = ((x($_GET,'page')) ? $_GET['page'] : 1);
 436                         $this->pager['itemspage'] = 50;
 437                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 438                         $this->pager['total'] = 0;
 439                 }
 440
 441                 function get_baseurl($ssl = false) {
 442
 443                         $scheme = $this->scheme;
 444
 445                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 446                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 447                                         $scheme = 'https';
 448
 449                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 450                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 451
 452                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 453                                         if($ssl)
 454                                                 $scheme = 'https';
 455                                         else
 456                                                 $scheme = 'http';
 457                                 }
 458                         }
 459
 460                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 461                         return $this->baseurl;
 462                 }
 463
 464                 function set_baseurl($url) {
 465                         $parsed = @parse_url($url);
 466
 467                         $this->baseurl = $url;
 468
 469                         if($parsed) {
 470                                 $this->scheme = $parsed['scheme'];
 471
 472                                 $this->hostname = $parsed['host'];
 473                                 if(x($parsed,'port'))
 474                                         $this->hostname .= ':' . $parsed['port'];
 475                                 if(x($parsed,'path'))
 476                                         $this->path = trim($parsed['path'],'\\/');
 477                         }
 478
 479                 }
 480
 481                 function get_hostname() {
 482                         return $this->hostname;
 483                 }
 484
 485                 function set_hostname($h) {
 486                         $this->hostname = $h;
 487                 }
 488
 489                 function set_path($p) {
 490                         $this->path = trim(trim($p),'/');
 491                 }
 492
 493                 function get_path() {
 494                         return $this->path;
 495                 }
 496
 497                 function set_pager_total($n) {
 498                         $this->pager['total'] = intval($n);
 499                 }
 500
 501                 function set_pager_itemspage($n) {
 502                         $this->pager['itemspage'] = intval($n);
 503                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 504
 505                 }
 506
 507                 function init_pagehead() {
 508                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 509                         if($interval < 10000)
 510                                 $interval = 40000;
 511
 512                         $this->page['title'] = $this->config['sitename'];
 513                         $tpl = file_get_contents('view/head.tpl');
 514                         $this->page['htmlhead'] = replace_macros($tpl,array(
 515                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 516                                 '$local_user' => local_user(),
 517                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 518                                 '$delitem' => t('Delete this item?'),
 519                                 '$comment' => t('Comment'),
 520                                 '$showmore' => t('show more'),
 521                                 '$showfewer' => t('show fewer'),
 522                                 '$update_interval' => $interval
 523                         ));
 524                 }
 525
 526                 function set_curl_code($code) {
 527                         $this->curl_code = $code;
 528                 }
 529
 530                 function get_curl_code() {
 531                         return $this->curl_code;
 532                 }
 533
 534                 function set_curl_headers($headers) {
 535                         $this->curl_headers = $headers;
 536                 }
 537
 538                 function get_curl_headers() {
 539                         return $this->curl_headers;
 540                 }
 541
 542
 543         }
 544 }
 545
 546 // retrieve the App structure
 547 // useful in functions which require it but don't get it passed to them
 548
 549 if(! function_exists('get_app')) {
 550         function get_app() {
 551                 global $a;
 552                 return $a;
 553         }
 554 };
 555
 556
 557 // Multi-purpose function to check variable state.
 558 // Usage: x($var) or $x($array,'key')
 559 // returns false if variable/key is not set
 560 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 561 // e.g. x('') or x(0) returns 0;
 562
 563 if(! function_exists('x')) {
 564         function x($s,$k = NULL) {
 565                 if($k != NULL) {
 566                         if((is_array($s)) && (array_key_exists($k,$s))) {
 567                                 if($s[$k])
 568                                         return (int) 1;
 569                                 return (int) 0;
 570                 }
 571                         return false;
 572                 }
 573                 else {
 574                         if(isset($s)) {
 575                                 if($s) {
 576                                         return (int) 1;
 577                                 }
 578                                 return (int) 0;
 579                         }
 580                         return false;
 581                 }
 582         }
 583 }
 584
 585 // called from db initialisation if db is dead.
 586
 587 if(! function_exists('system_unavailable')) {
 588         function system_unavailable() {
 589                 include('system_unavailable.php');
 590                 system_down();
 591                 killme();
 592         }
 593 }
 594
 595
 596
 597 function clean_urls() {
 598         global $a;
 599         //      if($a->config['system']['clean_urls'])
 600         return true;
 601         //      return false;
 602 }
 603
 604 function z_path() {
 605         global $a;
 606         $base = $a->get_baseurl();
 607         if(! clean_urls())
 608                 $base .= '/?q=';
 609         return $base;
 610 }
 611
 612 function z_root() {
 613         global $a;
 614         return $a->get_baseurl();
 615 }
 616
 617 function absurl($path) {
 618         if(strpos($path,'/') === 0)
 619                 return z_path() . $path;
 620         return $path;
 621 }
 622
 623 function is_ajax() {
 624         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 625 }
 626
 627
 628 // Primarily involved with database upgrade, but also sets the
 629 // base url for use in cmdline programs which don't have
 630 // $_SERVER variables, and synchronising the state of installed plugins.
 631
 632
 633 if(! function_exists('check_config')) {
 634         function check_config(&$a) {
 635
 636                 $build = get_config('system','build');
 637                 if(! x($build))
 638                         $build = set_config('system','build',DB_UPDATE_VERSION);
 639
 640                 $url = get_config('system','url');
 641
 642                 // if the url isn't set or the stored url is radically different
 643                 // than the currently visited url, store the current value accordingly.
 644                 // "Radically different" ignores common variations such as http vs https
 645                 // and www.example.com vs example.com.
 646
 647                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 648                         $url = set_config('system','url',$a->get_baseurl());
 649
 650                 if($build != DB_UPDATE_VERSION) {
 651                         $stored = intval($build);
 652                         $current = intval(DB_UPDATE_VERSION);
 653                         if(($stored < $current) && file_exists('update.php')) {
 654
 655                                 load_config('database');
 656
 657                                 // We're reporting a different version than what is currently installed.
 658                                 // Run any existing update scripts to bring the database up to current.
 659
 660                                 require_once('update.php');
 661
 662                                 // make sure that boot.php and update.php are the same release, we might be
 663                                 // updating right this very second and the correct version of the update.php
 664                                 // file may not be here yet. This can happen on a very busy site.
 665
 666                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 667
 668                                         for($x = $stored; $x < $current; $x ++) {
 669                                                 if(function_exists('update_' . $x)) {
 670
 671                                                         // There could be a lot of processes running or about to run.
 672                                                         // We want exactly one process to run the update command.
 673                                                         // So store the fact that we're taking responsibility
 674                                                         // after first checking to see if somebody else already has.
 675
 676                                                         // If the update fails or times-out completely you may need to
 677                                                         // delete the config entry to try again.
 678
 679                                                         if(get_config('database','update_' . $x))
 680                                                                 break;
 681                                                         set_config('database','update_' . $x, '1');
 682
 683                                                         // call the specific update
 684
 685                                                         $func = 'update_' . $x;
 686                                                         $retval = $func();
 687                                                         if($retval) {
 688                                                                 //send the administrator an e-mail
 689                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 690                                                                 $email_msg = replace_macros($email_tpl, array(
 691                                                                         '$sitename' => $a->config['sitename'],
 692                                                                         '$siteurl' =>  $a->get_baseurl(),
 693                                                                         '$update' => $x,
 694                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 695                                                                 ));
 696                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 697
 698                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 699                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 700                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 701                                                                         . 'Content-transfer-encoding: 8bit' );
 702                                                                 //try the logger
 703                                                                 logger('CRITICAL: Update Failed: '. $x);
 704                                                         }
 705                                                         else
 706                                                                 set_config('database','update_' . $x, 'success');
 707
 708                                                 }
 709                                         }
 710                                         set_config('system','build', DB_UPDATE_VERSION);
 711                                 }
 712                         }
 713                 }
 714
 715                 /**
 716                  *
 717                  * Synchronise plugins:
 718                  *
 719                  * $a->config['system']['addon'] contains a comma-separated list of names
 720                  * of plugins/addons which are used on this system.
 721                  * Go through the database list of already installed addons, and if we have
 722                  * an entry, but it isn't in the config list, call the uninstall procedure
 723                  * and mark it uninstalled in the database (for now we'll remove it).
 724                  * Then go through the config list and if we have a plugin that isn't installed,
 725                  * call the install procedure and add it to the database.
 726                  *
 727                  */
 728
 729                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 730                 if(count($r))
 731                         $installed = $r;
 732                 else
 733                         $installed = array();
 734
 735                 $plugins = get_config('system','addon');
 736                 $plugins_arr = array();
 737
 738                 if($plugins)
 739                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 740
 741                 $a->plugins = $plugins_arr;
 742
 743                 $installed_arr = array();
 744
 745                 if(count($installed)) {
 746                         foreach($installed as $i) {
 747                                 if(! in_array($i['name'],$plugins_arr)) {
 748                                         uninstall_plugin($i['name']);
 749                                 }
 750                                 else {
 751                                         $installed_arr[] = $i['name'];
 752                                 }
 753                         }
 754                 }
 755
 756                 if(count($plugins_arr)) {
 757                         foreach($plugins_arr as $p) {
 758                                 if(! in_array($p,$installed_arr)) {
 759                                         install_plugin($p);
 760                                 }
 761                         }
 762                 }
 763
 764
 765                 load_hooks();
 766
 767                 return;
 768         }
 769 }
 770
 771
 772 function get_guid($size=16) {
 773         $exists = true; // assume by default that we don't have a unique guid
 774         do {
 775                 $s = random_string($size);
 776                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 777                 if(! count($r))
 778                         $exists = false;
 779         } while($exists);
 780         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 781         return $s;
 782 }
 783
 784
 785 // wrapper for adding a login box. If $register == true provide a registration
 786 // link. This will most always depend on the value of $a->config['register_policy'].
 787 // returns the complete html for inserting into the page
 788
 789 if(! function_exists('login')) {
 790         function login($register = false, $hiddens=false) {
 791                 $a = get_app();
 792                 $o = "";
 793                 $reg = false;
 794                 if ($register) {
 795                         $reg = array(
 796                                 'title' => t('Create a New Account'),
 797                                 'desc' => t('Register')
 798                         );
 799                 }
 800
 801                 $noid = get_config('system','no_openid');
 802
 803                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 804
 805                 if(local_user()) {
 806                         $tpl = get_markup_template("logout.tpl");
 807                 }
 808                 else {
 809                         $tpl = get_markup_template("login.tpl");
 810                         $_SESSION['return_url'] = $a->query_string;
 811                 }
 812
 813
 814                 $o .= replace_macros($tpl,array(
 815
 816                         '$dest_url'     => $dest_url,
 817                         '$logout'       => t('Logout'),
 818                         '$login'        => t('Login'),
 819
 820                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 821                         '$lpassword'    => array('password', t('Password: '), '', ''),
 822
 823                         '$openid'               => !$noid,
 824                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 825
 826                         '$hiddens'      => $hiddens,
 827
 828                         '$register'     => $reg,
 829
 830                         '$lostpass'     => t('Forgot your password?'),
 831                         '$lostlink'     => t('Password Reset'),
 832                 ));
 833
 834                 call_hooks('login_hook',$o);
 835
 836                 return $o;
 837         }
 838 }
 839
 840 // Used to end the current process, after saving session state.
 841
 842 if(! function_exists('killme')) {
 843         function killme() {
 844                 session_write_close();
 845                 exit;
 846         }
 847 }
 848
 849 // redirect to another URL and terminate this process.
 850
 851 if(! function_exists('goaway')) {
 852         function goaway($s) {
 853                 header("Location: $s");
 854                 killme();
 855         }
 856 }
 857
 858
 859 // Returns the uid of locally logged in user or false.
 860
 861 if(! function_exists('local_user')) {
 862         function local_user() {
 863                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 864                         return intval($_SESSION['uid']);
 865                 return false;
 866         }
 867 }
 868
 869 // Returns contact id of authenticated site visitor or false
 870
 871 if(! function_exists('remote_user')) {
 872         function remote_user() {
 873                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 874                         return intval($_SESSION['visitor_id']);
 875                 return false;
 876         }
 877 }
 878
 879 // contents of $s are displayed prominently on the page the next time
 880 // a page is loaded. Usually used for errors or alerts.
 881
 882 if(! function_exists('notice')) {
 883         function notice($s) {
 884                 $a = get_app();
 885                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 886                 if($a->interactive)
 887                         $_SESSION['sysmsg'][] = $s;
 888         }
 889 }
 890 if(! function_exists('info')) {
 891         function info($s) {
 892                 $a = get_app();
 893                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 894                 if($a->interactive)
 895                         $_SESSION['sysmsg_info'][] = $s;
 896         }
 897 }
 898
 899
 900 // wrapper around config to limit the text length of an incoming message
 901
 902 if(! function_exists('get_max_import_size')) {
 903         function get_max_import_size() {
 904                 global $a;
 905                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 906         }
 907 }
 908
 909
 910
 911 /**
 912  *
 913  * Function : profile_load
 914  * @parameter App    $a
 915  * @parameter string $nickname
 916  * @parameter int    $profile
 917  *
 918  * Summary: Loads a profile into the page sidebar.
 919  * The function requires a writeable copy of the main App structure, and the nickname
 920  * of a registered local account.
 921  *
 922  * If the viewer is an authenticated remote viewer, the profile displayed is the
 923  * one that has been configured for his/her viewing in the Contact manager.
 924  * Passing a non-zero profile ID can also allow a preview of a selected profile
 925  * by the owner.
 926  *
 927  * Profile information is placed in the App structure for later retrieval.
 928  * Honours the owner's chosen theme for display.
 929  *
 930  */
 931
 932 if(! function_exists('profile_load')) {
 933         function profile_load(&$a, $nickname, $profile = 0) {
 934                 if(remote_user()) {
 935                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 936                                         intval($_SESSION['visitor_id']));
 937                         if(count($r))
 938                                 $profile = $r[0]['profile-id'];
 939                 }
 940
 941                 $r = null;
 942
 943                 if($profile) {
 944                         $profile_int = intval($profile);
 945                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 946                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 947                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 948                                         dbesc($nickname),
 949                                         intval($profile_int)
 950                         );
 951                 }
 952                 if((! $r) && (!  count($r))) {
 953                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 954                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 955                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 956                                         dbesc($nickname)
 957                         );
 958                 }
 959
 960                 if(($r === false) || (! count($r))) {
 961                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 962                         notice( t('Requested profile is not available.') . EOL );
 963                         $a->error = 404;
 964                         return;
 965                 }
 966
 967                 // fetch user tags if this isn't the default profile
 968
 969                 if(! $r[0]['is-default']) {
 970                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 971                                         intval($profile_uid)
 972                         );
 973                         if($x && count($x))
 974                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 975                 }
 976
 977                 $a->profile = $r[0];
 978
 979
 980                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 981                 $_SESSION['theme'] = $a->profile['theme'];
 982
 983                 /**
 984                  * load/reload current theme info
 985                  */
 986
 987                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
 988                 if (file_exists($theme_info_file)){
 989                         require_once($theme_info_file);
 990                 }
 991
 992                 if(! (x($a->page,'aside')))
 993                         $a->page['aside'] = '';
 994
 995                 if(local_user() && local_user() == $a->profile['uid']) {
 996                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
 997                                 '$editprofile' => t('Edit profile'),
 998                                 '$profid' => $a->profile['id']
 999                         ));
1000                 }
1001
1002                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1003
1004                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1005
1006                 /*if(! $block)
1007                  $a->page['aside'] .= contact_block();*/
1008
1009                 return;
1010         }
1011 }
1012
1013
1014 /**
1015  *
1016  * Function: profile_sidebar
1017  *
1018  * Formats a profile for display in the sidebar.
1019  * It is very difficult to templatise the HTML completely
1020  * because of all the conditional logic.
1021  *
1022  * @parameter: array $profile
1023  *
1024  * Returns HTML string stuitable for sidebar inclusion
1025  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1026  *
1027  */
1028
1029
1030 if(! function_exists('profile_sidebar')) {
1031         function profile_sidebar($profile, $block = 0) {
1032
1033                 $a = get_app();
1034
1035                 $o = '';
1036                 $location = false;
1037                 $address = false;
1038                 $pdesc = true;
1039
1040                 if((! is_array($profile)) && (! count($profile)))
1041                         return $o;
1042
1043                 $profile['picdate'] = urlencode($profile['picdate']);
1044
1045                 call_hooks('profile_sidebar_enter', $profile);
1046
1047
1048                 // don't show connect link to yourself
1049                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1050
1051                 // don't show connect link to authenticated visitors either
1052
1053                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1054                         $connect = False;
1055
1056                 if(get_my_url() && $profile['unkmail'])
1057                         $wallmessage = t('Message');
1058                 else
1059                         $wallmessage = false;
1060
1061
1062
1063                 // show edit profile to yourself
1064                 if ($profile['uid'] == local_user()) {
1065                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1066
1067                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1068                                         local_user());
1069
1070                         $profile['menu'] = array(
1071                                 'chg_photo' => t('Change profile photo'),
1072                                 'cr_new' => t('Create New Profile'),
1073                                 'entries' => array(),
1074                         );
1075
1076                         if(count($r)) {
1077
1078                                 foreach($r as $rr) {
1079                                         $profile['menu']['entries'][] = array(
1080                                                 'photo' => $rr['thumb'],
1081                                                 'id' => $rr['id'],
1082                                                 'alt' => t('Profile Image'),
1083                                                 'profile_name' => $rr['profile-name'],
1084                                                 'isdefault' => $rr['is-default'],
1085                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1086                                                 'edit_visibility' => t('Edit visibility'),
1087
1088                                         );
1089                                 }
1090
1091
1092                         }
1093
1094
1095                 }
1096
1097
1098
1099
1100                 if((x($profile,'address') == 1)
1101                                 || (x($profile,'locality') == 1)
1102                                 || (x($profile,'region') == 1)
1103                                 || (x($profile,'postal-code') == 1)
1104                                 || (x($profile,'country-name') == 1))
1105                         $location = t('Location:');
1106
1107                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1108
1109
1110                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1111
1112                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1113
1114                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1115                         $location = $pdesc = $gender = $marital = $homepage = False;
1116                 }
1117
1118                 $firstname = ((strpos($profile['name'],' '))
1119                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1120                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1121
1122                 $diaspora = array(
1123                         'podloc' => $a->get_baseurl(),
1124                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1125                         'nickname' => $profile['nickname'],
1126                         'fullname' => $profile['name'],
1127                         'firstname' => $firstname,
1128                         'lastname' => $lastname,
1129                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1130                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1131                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1132                 );
1133
1134                 if (!$block){
1135                         $contact_block = contact_block();
1136                 }
1137
1138
1139                 $tpl = get_markup_template('profile_vcard.tpl');
1140
1141                 $o .= replace_macros($tpl, array(
1142                         '$profile' => $profile,
1143                         '$connect'  => $connect,
1144                         '$wallmessage' => $wallmessage,
1145                         '$location' => template_escape($location),
1146                         '$gender'   => $gender,
1147                         '$pdesc'        => $pdesc,
1148                         '$marital'  => $marital,
1149                         '$homepage' => $homepage,
1150                         '$diaspora' => $diaspora,
1151                         '$contact_block' => $contact_block,
1152                 ));
1153
1154
1155                 $arr = array('profile' => &$profile, 'entry' => &$o);
1156
1157                 call_hooks('profile_sidebar', $arr);
1158
1159                 return $o;
1160         }
1161 }
1162
1163
1164 if(! function_exists('get_birthdays')) {
1165         function get_birthdays() {
1166
1167                 $a = get_app();
1168                 $o = '';
1169
1170                 if(! local_user())
1171                         return $o;
1172
1173                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1174                 $bd_short = t('F d');
1175
1176                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1177                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1178                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1179                                 ORDER BY `start` ASC ",
1180                                 intval(local_user()),
1181                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1182                                 dbesc(datetime_convert('UTC','UTC','now'))
1183                 );
1184
1185                 if($r && count($r)) {
1186                         $total = 0;
1187                         $now = strtotime('now');
1188                         $cids = array();
1189
1190                         $istoday = false;
1191                         foreach($r as $rr) {
1192                                 if(strlen($rr['name']))
1193                                         $total ++;
1194                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1195                                         $istoday = true;
1196                         }
1197                         $classtoday = $istoday ? ' birthday-today ' : '';
1198                         if($total) {
1199                                 foreach($r as &$rr) {
1200                                         if(! strlen($rr['name']))
1201                                                 continue;
1202
1203                                         // avoid duplicates
1204
1205                                         if(in_array($rr['cid'],$cids))
1206                                                 continue;
1207                                         $cids[] = $rr['cid'];
1208
1209                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1210                                         $sparkle = '';
1211                                         $url = $rr['url'];
1212                                         if($rr['network'] === NETWORK_DFRN) {
1213                                                 $sparkle = " sparkle";
1214                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1215                                         }
1216
1217                                         $rr['link'] = $url;
1218                                         $rr['title'] = $rr['name'];
1219                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1220                                         $rr['startime'] = Null;
1221                                         $rr['today'] = $today;
1222
1223                                 }
1224                         }
1225                 }
1226                 $tpl = get_markup_template("birthdays_reminder.tpl");
1227                 return replace_macros($tpl, array(
1228                         '$baseurl' => $a->get_baseurl(),
1229                         '$classtoday' => $classtoday,
1230                         '$count' => $total,
1231                         '$event_reminders' => t('Birthday Reminders'),
1232                         '$event_title' => t('Birthdays this week:'),
1233                         '$events' => $r,
1234                 ));
1235         }
1236 }
1237
1238
1239 if(! function_exists('get_events')) {
1240         function get_events() {
1241
1242                 require_once('include/bbcode.php');
1243
1244                 $a = get_app();
1245
1246                 if(! local_user())
1247                         return $o;
1248
1249                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1250                 $bd_short = t('F d');
1251
1252                 $r = q("SELECT `event`.* FROM `event`
1253                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1254                                 ORDER BY `start` ASC ",
1255                                 intval(local_user()),
1256                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1257                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1258                 );
1259
1260                 if($r && count($r)) {
1261                         $now = strtotime('now');
1262                         $istoday = false;
1263                         foreach($r as $rr) {
1264                                 if(strlen($rr['name']))
1265                                         $total ++;
1266
1267                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1268                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1269                                         $istoday = true;
1270                         }
1271                         $classtoday = (($istoday) ? 'event-today' : '');
1272
1273
1274                         foreach($r as &$rr) {
1275                                 if($rr['adjust'])
1276                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1277                                 else
1278                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1279                                 $md .= "/#link-".$rr['id'];
1280
1281                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1282                                 if(! $title)
1283                                         $title = t('[No description]');
1284
1285                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1286                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1287
1288                                 $rr['link'] = $md;
1289                                 $rr['title'] = $title;
1290                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1291                                 $rr['startime'] = $strt;
1292                                 $rr['today'] = $today;
1293                         }
1294                 }
1295
1296                 $tpl = get_markup_template("events_reminder.tpl");
1297                 return replace_macros($tpl, array(
1298                         '$baseurl' => $a->get_baseurl(),
1299                         '$classtoday' => $classtoday,
1300                         '$count' => count($r),
1301                         '$event_reminders' => t('Event Reminders'),
1302                         '$event_title' => t('Events this week:'),
1303                         '$events' => $r,
1304                 ));
1305         }
1306 }
1307
1308
1309 /**
1310  *
1311  * Wrap calls to proc_close(proc_open()) and call hook
1312  * so plugins can take part in process :)
1313  *
1314  * args:
1315  * $cmd program to run
1316  *  next args are passed as $cmd command line
1317  *
1318  * e.g.: proc_run("ls","-la","/tmp");
1319  *
1320  * $cmd and string args are surrounded with ""
1321  */
1322
1323 if(! function_exists('proc_run')) {
1324         function proc_run($cmd){
1325
1326                 $a = get_app();
1327
1328                 $args = func_get_args();
1329
1330                 $newargs = array();
1331                 if(! count($args))
1332                         return;
1333
1334                 // expand any arrays
1335
1336                 foreach($args as $arg) {
1337                         if(is_array($arg)) {
1338                                 foreach($arg as $n) {
1339                                         $newargs[] = $n;
1340                                 }
1341                         }
1342                         else
1343                                 $newargs[] = $arg;
1344                 }
1345
1346                 $args = $newargs;
1347
1348                 $arr = array('args' => $args, 'run_cmd' => true);
1349
1350                 call_hooks("proc_run", $arr);
1351                 if(! $arr['run_cmd'])
1352                         return;
1353
1354                 if(count($args) && $args[0] === 'php')
1355                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1356                 foreach ($args as $arg){
1357                         $arg = escapeshellarg($arg);
1358                 }
1359                 $cmdline = implode($args," ");
1360                 proc_close(proc_open($cmdline." &",array(),$foo));
1361         }
1362 }
1363
1364 if(! function_exists('current_theme')) {
1365         function current_theme(){
1366                 $app_base_themes = array('duepuntozero', 'loozah');
1367
1368                 $a = get_app();
1369
1370                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1371                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1372
1373                 if($theme_name &&
1374                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1375                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1376                         return($theme_name);
1377
1378                 foreach($app_base_themes as $t) {
1379                         if(file_exists('view/theme/' . $t . '/style.css')||
1380                                         file_exists('view/theme/' . $t . '/style.php'))
1381                                 return($t);
1382                 }
1383
1384                 $fallback = glob('view/theme/*/style.[css|php]');
1385                 if(count($fallback))
1386                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1387
1388         }
1389 }
1390
1391 /*
1392  * Return full URL to theme which is currently in effect.
1393 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1394 */
1395 if(! function_exists('current_theme_url')) {
1396         function current_theme_url() {
1397                 global $a;
1398                 $t = current_theme();
1399                 if (file_exists('view/theme/' . $t . '/style.php'))
1400                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1401                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1402         }
1403 }
1404
1405 if(! function_exists('feed_birthday')) {
1406         function feed_birthday($uid,$tz) {
1407
1408                 /**
1409                  *
1410                  * Determine the next birthday, but only if the birthday is published
1411                  * in the default profile. We _could_ also look for a private profile that the
1412                  * recipient can see, but somebody could get mad at us if they start getting
1413                  * public birthday greetings when they haven't made this info public.
1414                  *
1415                  * Assuming we are able to publish this info, we are then going to convert
1416                  * the start time from the owner's timezone to UTC.
1417                  *
1418                  * This will potentially solve the problem found with some social networks
1419                  * where birthdays are converted to the viewer's timezone and salutations from
1420                  * elsewhere in the world show up on the wrong day. We will convert it to the
1421                  * viewer's timezone also, but first we are going to convert it from the birthday
1422                  * person's timezone to GMT - so the viewer may find the birthday starting at
1423                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1424                  *
1425                  */
1426
1427
1428                 $birthday = '';
1429
1430                 if(! strlen($tz))
1431                         $tz = 'UTC';
1432
1433                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1434                                 intval($uid)
1435                 );
1436
1437                 if($p && count($p)) {
1438                         $tmp_dob = substr($p[0]['dob'],5);
1439                         if(intval($tmp_dob)) {
1440                                 $y = datetime_convert($tz,$tz,'now','Y');
1441                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1442                                 $t_dob = strtotime($bd);
1443                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1444                                 if($t_dob < $now)
1445                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1446                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1447                         }
1448                 }
1449
1450                 return $birthday;
1451         }
1452 }
1453
1454 if(! function_exists('is_site_admin')) {
1455         function is_site_admin() {
1456                 $a = get_app();
1457                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1458                         return true;
1459                 return false;
1460         }
1461 }
1462
1463
1464 if(! function_exists('load_contact_links')) {
1465         function load_contact_links($uid) {
1466
1467                 $a = get_app();
1468
1469                 $ret = array();
1470
1471                 if(! $uid || x($a->contacts,'empty'))
1472                         return;
1473
1474                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1475                                 intval($uid)
1476                 );
1477                 if(count($r)) {
1478                         foreach($r as $rr){
1479                                 $url = normalise_link($rr['url']);
1480                                 $ret[$url] = $rr;
1481                         }
1482                 }
1483                 else
1484                         $ret['empty'] = true;
1485                 $a->contacts = $ret;
1486                 return;
1487         }
1488 }
1489
1490 if(! function_exists('profile_tabs')){
1491         function profile_tabs($a, $is_owner=False, $nickname=Null){
1492                 //echo "<pre>"; var_dump($a->user); killme();
1493
1494                 if (is_null($nickname))
1495                         $nickname  = $a->user['nickname'];
1496
1497                 if(x($_GET,'tab'))
1498                         $tab = notags(trim($_GET['tab']));
1499
1500                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1501
1502                 $tabs = array(
1503                         array(
1504                                 'label'=>t('Status'),
1505                                 'url' => $url,
1506                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1507                                 'title' => t('Status Messages and Posts'),
1508                         ),
1509                         array(
1510                                 'label' => t('Profile'),
1511                                 'url'   => $url.'/?tab=profile',
1512                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1513                                 'title' => t('Profile Details'),
1514                         ),
1515                         array(
1516                                 'label' => t('Photos'),
1517                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1518                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1519                                 'title' => t('Photo Albums'),
1520                         ),
1521                 );
1522
1523                 if ($is_owner){
1524                         $tabs[] = array(
1525                                 'label' => t('Events'),
1526                                 'url'   => $a->get_baseurl() . '/events',
1527                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1528                                 'title' => t('Events and Calendar'),
1529                         );
1530                         $tabs[] = array(
1531                                 'label' => t('Personal Notes'),
1532                                 'url'   => $a->get_baseurl() . '/notes',
1533                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1534                                 'title' => t('Only You Can See This'),
1535                         );
1536                 }
1537
1538
1539                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1540                 call_hooks('profile_tabs', $arr);
1541
1542                 $tpl = get_markup_template('common_tabs.tpl');
1543
1544                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1545         }
1546 }
1547
1548 function get_my_url() {
1549         if(x($_SESSION,'my_url'))
1550                 return $_SESSION['my_url'];
1551         return false;
1552 }
1553
1554 function zrl_init(&$a) {
1555         $tmp_str = get_my_url();
1556         if(validate_url($tmp_str)) {
1557                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1558                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1559                 call_hooks('zrl_init',$arr);
1560         }
1561 }
1562
1563 function zrl($s,$force = false) {
1564         if(! strlen($s))
1565                 return $s;
1566         if((! strpos($s,'/profile/')) && (! $force))
1567                 return $s;
1568         if($force && substr($s,-1,1) !== '/')
1569                 $s = $s . '/';
1570         $achar = strpos($s,'?') ? '&' : '?';
1571         $mine = get_my_url();
1572         if($mine and ! link_compare($mine,$s))
1573                 return $s . $achar . 'zrl=' . urlencode($mine);
1574         return $s;
1575 }