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/datetime.php');
   8 require_once('include/pgettext.php');
   9 require_once('include/nav.php');
  10 require_once('include/cache.php');
  11
  12 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  13 define ( 'FRIENDICA_VERSION',      '3.0.1413' );
  14 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  15 define ( 'DB_UPDATE_VERSION',      1153      );
  16
  17 define ( 'EOL',                    "<br />\r\n"     );
  18 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  19
  20
  21 /**
  22  *
  23  * Image storage quality. Lower numbers save space at cost of image detail.
  24  * For ease of upgrade, please do not change here. Change jpeg quality with
  25  * $a->config['system']['jpeg_quality'] = n;
  26  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  27  * below about 50
  28  *
  29  */
  30
  31 define ( 'JPEG_QUALITY',            100  );
  32 /**
  33  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  34  */
  35 define ( 'PNG_QUALITY',             8  );
  36
  37 /**
  38  *
  39  * An alternate way of limiting picture upload sizes. Specify the maximum pixel
  40  * length that pictures are allowed to be (for non-square pictures, it will apply
  41  * to the longest side). Pictures longer than this length will be resized to be
  42  * this length (on the longest side, the other side will be scaled appropriately).
  43  * Modify this value using
  44  *
  45  *    $a->config['system']['max_image_length'] = n;
  46  *
  47  * in .htconfig.php
  48  *
  49  * If you don't want to set a maximum length, set to -1. The default value is
  50  * defined by 'MAX_IMAGE_LENGTH' below.
  51  *
  52  */
  53 define ( 'MAX_IMAGE_LENGTH',        -1  );
  54
  55
  56 /**
  57  * Not yet used
  58  */
  59
  60 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  61
  62 /**
  63  * SSL redirection policies
  64  */
  65
  66 define ( 'SSL_POLICY_NONE',         0 );
  67 define ( 'SSL_POLICY_FULL',         1 );
  68 define ( 'SSL_POLICY_SELFSIGN',     2 );
  69
  70
  71 /**
  72  * log levels
  73  */
  74
  75 define ( 'LOGGER_NORMAL',          0 );
  76 define ( 'LOGGER_TRACE',           1 );
  77 define ( 'LOGGER_DEBUG',           2 );
  78 define ( 'LOGGER_DATA',            3 );
  79 define ( 'LOGGER_ALL',             4 );
  80
  81 /**
  82  * registration policies
  83  */
  84
  85 define ( 'REGISTER_CLOSED',        0 );
  86 define ( 'REGISTER_APPROVE',       1 );
  87 define ( 'REGISTER_OPEN',          2 );
  88
  89 /**
  90  * relationship types
  91  */
  92
  93 define ( 'CONTACT_IS_FOLLOWER', 1);
  94 define ( 'CONTACT_IS_SHARING',  2);
  95 define ( 'CONTACT_IS_FRIEND',   3);
  96
  97
  98 /**
  99  * DB update return values
 100  */
 101
 102 define ( 'UPDATE_SUCCESS', 0);
 103 define ( 'UPDATE_FAILED',  1);
 104
 105
 106 /**
 107  *
 108  * page/profile types
 109  *
 110  * PAGE_NORMAL is a typical personal profile account
 111  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
 112  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
 113  *      write access to wall and comments (no email and not included in page owner's ACL lists)
 114  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
 115  *
 116  */
 117
 118 define ( 'PAGE_NORMAL',            0 );
 119 define ( 'PAGE_SOAPBOX',           1 );
 120 define ( 'PAGE_COMMUNITY',         2 );
 121 define ( 'PAGE_FREELOVE',          3 );
 122 define ( 'PAGE_BLOG',              4 );
 123 define ( 'PAGE_PRVGROUP',          5 );
 124
 125 /**
 126  * Network and protocol family types
 127  */
 128
 129 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 130 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 131 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 132 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 133 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 134 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 135 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 136 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 137 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 138 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 139 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 140 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 141
 142 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 143
 144 /**
 145  * These numbers are used in stored permissions
 146  * and existing allocations MUST NEVER BE CHANGED
 147  * OR RE-ASSIGNED! You may only add to them.
 148  */
 149
 150 $netgroup_ids = array(
 151         NETWORK_DFRN     => (-1),
 152         NETWORK_ZOT      => (-2),
 153         NETWORK_OSTATUS  => (-3),
 154         NETWORK_FEED     => (-4),
 155         NETWORK_DIASPORA => (-5),
 156         NETWORK_MAIL     => (-6),
 157         NETWORK_MAIL2    => (-7),
 158         NETWORK_FACEBOOK => (-8),
 159         NETWORK_LINKEDIN => (-9),
 160         NETWORK_XMPP     => (-10),
 161         NETWORK_MYSPACE  => (-11),
 162         NETWORK_GPLUS    => (-12),
 163
 164         NETWORK_PHANTOM  => (-127),
 165 );
 166
 167
 168 /**
 169  * Maximum number of "people who like (or don't like) this"  that we will list by name
 170  */
 171
 172 define ( 'MAX_LIKERS',    75);
 173
 174 /**
 175  * Communication timeout
 176  */
 177
 178 define ( 'ZCURL_TIMEOUT' , (-1));
 179
 180
 181 /**
 182  * email notification options
 183  */
 184
 185 define ( 'NOTIFY_INTRO',    0x0001 );
 186 define ( 'NOTIFY_CONFIRM',  0x0002 );
 187 define ( 'NOTIFY_WALL',     0x0004 );
 188 define ( 'NOTIFY_COMMENT',  0x0008 );
 189 define ( 'NOTIFY_MAIL',     0x0010 );
 190 define ( 'NOTIFY_SUGGEST',  0x0020 );
 191 define ( 'NOTIFY_PROFILE',  0x0040 );
 192 define ( 'NOTIFY_TAGSELF',  0x0080 );
 193 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 194 define ( 'NOTIFY_POKE',     0x0200 );
 195
 196 define ( 'NOTIFY_SYSTEM',   0x8000 );
 197
 198
 199 /**
 200  * Tag/term types
 201  */
 202
 203 define ( 'TERM_UNKNOWN',   0 );
 204 define ( 'TERM_HASHTAG',   1 );
 205 define ( 'TERM_MENTION',   2 );
 206 define ( 'TERM_CATEGORY',  3 );
 207 define ( 'TERM_PCATEGORY', 4 );
 208 define ( 'TERM_FILE',      5 );
 209
 210 define ( 'TERM_OBJ_POST',  1 );
 211 define ( 'TERM_OBJ_PHOTO', 2 );
 212
 213
 214
 215 /**
 216  * various namespaces we may need to parse
 217  */
 218
 219 define ( 'NAMESPACE_ZOT',             'http://purl.org/zot' );
 220 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 221 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 222 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 223 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 224 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 225 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 226 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 227 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 228 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 229 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 230 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 231 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 232 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 233 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 234 /**
 235  * activity stream defines
 236  */
 237
 238 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 239 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 240 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 241
 242 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 243 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 244 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 245 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 246 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 247 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 248
 249 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 250 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 251 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 252 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 253
 254 define ( 'ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke' );
 255
 256 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 257 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 258 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 259 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 260 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 261 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 262 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 263 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 264 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 265 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 266
 267 /**
 268  * item weight for query ordering
 269  */
 270
 271 define ( 'GRAVITY_PARENT',       0);
 272 define ( 'GRAVITY_LIKE',         3);
 273 define ( 'GRAVITY_COMMENT',      6);
 274
 275 /**
 276  *
 277  * Reverse the effect of magic_quotes_gpc if it is enabled.
 278  * Please disable magic_quotes_gpc so we don't have to do this.
 279  * See http://php.net/manual/en/security.magicquotes.disabling.php
 280  *
 281  */
 282
 283 function startup() {
 284         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 285         set_time_limit(0);
 286
 287         // This has to be quite large to deal with embedded private photos
 288         ini_set('pcre.backtrack_limit', 500000);
 289
 290
 291         if (get_magic_quotes_gpc()) {
 292                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 293                 while (list($key, $val) = each($process)) {
 294                         foreach ($val as $k => $v) {
 295                                 unset($process[$key][$k]);
 296                                 if (is_array($v)) {
 297                                         $process[$key][stripslashes($k)] = $v;
 298                                         $process[] = &$process[$key][stripslashes($k)];
 299                                 } else {
 300                                         $process[$key][stripslashes($k)] = stripslashes($v);
 301                                 }
 302                         }
 303                 }
 304                 unset($process);
 305         }
 306
 307 }
 308
 309 /**
 310  *
 311  * class: App
 312  *
 313  * Our main application structure for the life of this page
 314  * Primarily deals with the URL that got us here
 315  * and tries to make some sense of it, and
 316  * stores our page contents and config storage
 317  * and anything else that might need to be passed around
 318  * before we spit the page out.
 319  *
 320  */
 321
 322 if(! class_exists('App')) {
 323         class App {
 324
 325                 public  $module_loaded = false;
 326                 public  $query_string;
 327                 public  $config;
 328                 public  $page;
 329                 public  $profile;
 330                 public  $user;
 331                 public  $cid;
 332                 public  $contact;
 333                 public  $contacts;
 334                 public  $page_contact;
 335                 public  $content;
 336                 public  $data = array();
 337                 public  $error = false;
 338                 public  $cmd;
 339                 public  $argv;
 340                 public  $argc;
 341                 public  $module;
 342                 public  $pager;
 343                 public  $strings;
 344                 public  $path;
 345                 public  $hooks;
 346                 public  $timezone;
 347                 public  $interactive = true;
 348                 public  $plugins;
 349                 public  $apps = array();
 350                 public  $identities;
 351
 352                 public $nav_sel;
 353
 354                 public $category;
 355
 356                 private $scheme;
 357                 private $hostname;
 358                 private $baseurl;
 359                 private $db;
 360
 361                 private $curl_code;
 362                 private $curl_headers;
 363
 364                 private $cached_profile_image;
 365                 private $cached_profile_picdate;
 366
 367                 function __construct() {
 368
 369                         global $default_timezone;
 370
 371                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 372
 373                         date_default_timezone_set($this->timezone);
 374
 375                         $this->config = array();
 376                         $this->page = array();
 377                         $this->pager= array();
 378
 379                         $this->query_string = '';
 380
 381                         startup();
 382
 383                         $this->scheme = 'http';
 384                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 385                                 $this->scheme = 'https';
 386                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 387                         $this->scheme = 'https';
 388
 389
 390                         if(x($_SERVER,'SERVER_NAME')) {
 391                                 $this->hostname = $_SERVER['SERVER_NAME'];
 392
 393                                 // See bug 437 - this didn't work so disabling it
 394                                 //if(stristr($this->hostname,'xn--')) {
 395                                         // PHP or webserver may have converted idn to punycode, so
 396                                         // convert punycode back to utf-8
 397                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 398                                 //      $x = new idna_convert();
 399                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 400                                 //}
 401
 402                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 403                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 404                                 /**
 405                                  * Figure out if we are running at the top of a domain
 406                                  * or in a sub-directory and adjust accordingly
 407                                  */
 408
 409                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 410                                 if(isset($path) && strlen($path) && ($path != $this->path))
 411                                         $this->path = $path;
 412                         }
 413
 414                         set_include_path(
 415                                         "include/$this->hostname" . PATH_SEPARATOR
 416                                         . 'include' . PATH_SEPARATOR
 417                                         . 'library' . PATH_SEPARATOR
 418                                         . 'library/phpsec' . PATH_SEPARATOR
 419                                         . 'library/langdet' . PATH_SEPARATOR
 420                                         . '.' );
 421
 422                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 423                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 424                                 // removing trailing / - maybe a nginx problem
 425                                 if (substr($this->query_string, 0, 1) == "/")
 426                                         $this->query_string = substr($this->query_string, 1);
 427                         }
 428                         if(x($_GET,'q'))
 429                                 $this->cmd = trim($_GET['q'],'/\\');
 430
 431                         // unix style "homedir"
 432
 433                         if(substr($this->cmd,0,1) === '~')
 434                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 435
 436                         // Diaspora style profile url
 437
 438                         if(substr($this->cmd,0,2) === 'u/')
 439                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 440
 441                         /**
 442                          *
 443                          * Break the URL path into C style argc/argv style arguments for our
 444                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 445                          * will be 3 (integer) and $this->argv will contain:
 446                          *   [0] => 'module'
 447                          *   [1] => 'arg1'
 448                          *   [2] => 'arg2'
 449                          *
 450                          *
 451                          * There will always be one argument. If provided a naked domain
 452                          * URL, $this->argv[0] is set to "home".
 453                          *
 454                          */
 455
 456                         $this->argv = explode('/',$this->cmd);
 457                         $this->argc = count($this->argv);
 458                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 459                                 $this->module = str_replace(".", "_", $this->argv[0]);
 460                         }
 461                         else {
 462                                 $this->argc = 1;
 463                                 $this->argv = array('home');
 464                                 $this->module = 'home';
 465                         }
 466
 467                         /**
 468                          * Special handling for the webfinger/lrdd host XRD file
 469                          */
 470
 471                         if($this->cmd === '.well-known/host-meta') {
 472                                 $this->argc = 1;
 473                                 $this->argv = array('hostxrd');
 474                                 $this->module = 'hostxrd';
 475                         }
 476
 477                         /**
 478                          * See if there is any page number information, and initialise
 479                          * pagination
 480                          */
 481
 482                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 483                         $this->pager['itemspage'] = 50;
 484                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 485                         if($this->pager['start'] < 0)
 486                                 $this->pager['start'] = 0;
 487                         $this->pager['total'] = 0;
 488                 }
 489
 490                 function get_baseurl($ssl = false) {
 491
 492                         $scheme = $this->scheme;
 493
 494                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 495                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 496                                         $scheme = 'https';
 497
 498                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 499                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 500
 501                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 502                                         if($ssl)
 503                                                 $scheme = 'https';
 504                                         else
 505                                                 $scheme = 'http';
 506                                 }
 507                         }
 508
 509                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 510                         return $this->baseurl;
 511                 }
 512
 513                 function set_baseurl($url) {
 514                         $parsed = @parse_url($url);
 515
 516                         $this->baseurl = $url;
 517
 518                         if($parsed) {
 519                                 $this->scheme = $parsed['scheme'];
 520
 521                                 $this->hostname = $parsed['host'];
 522                                 if(x($parsed,'port'))
 523                                         $this->hostname .= ':' . $parsed['port'];
 524                                 if(x($parsed,'path'))
 525                                         $this->path = trim($parsed['path'],'\\/');
 526                         }
 527
 528                 }
 529
 530                 function get_hostname() {
 531                         return $this->hostname;
 532                 }
 533
 534                 function set_hostname($h) {
 535                         $this->hostname = $h;
 536                 }
 537
 538                 function set_path($p) {
 539                         $this->path = trim(trim($p),'/');
 540                 }
 541
 542                 function get_path() {
 543                         return $this->path;
 544                 }
 545
 546                 function set_pager_total($n) {
 547                         $this->pager['total'] = intval($n);
 548                 }
 549
 550                 function set_pager_itemspage($n) {
 551                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 552                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 553
 554                 }
 555
 556                 function init_pagehead() {
 557                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 558                         if($interval < 10000)
 559                                 $interval = 40000;
 560
 561                         $this->page['title'] = $this->config['sitename'];
 562                         $tpl = file_get_contents('view/head.tpl');
 563                         $this->page['htmlhead'] = replace_macros($tpl,array(
 564                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 565                                 '$local_user' => local_user(),
 566                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 567                                 '$delitem' => t('Delete this item?'),
 568                                 '$comment' => t('Comment'),
 569                                 '$showmore' => t('show more'),
 570                                 '$showfewer' => t('show fewer'),
 571                                 '$update_interval' => $interval
 572                         ));
 573                 }
 574
 575                 function set_curl_code($code) {
 576                         $this->curl_code = $code;
 577                 }
 578
 579                 function get_curl_code() {
 580                         return $this->curl_code;
 581                 }
 582
 583                 function set_curl_headers($headers) {
 584                         $this->curl_headers = $headers;
 585                 }
 586
 587                 function get_curl_headers() {
 588                         return $this->curl_headers;
 589                 }
 590
 591                 function get_cached_avatar_image($avatar_image){
 592                         if($this->cached_profile_image[$avatar_image])
 593                                 return $this->cached_profile_image[$avatar_image];
 594
 595                         $path_parts = explode("/",$avatar_image);
 596                         $common_filename = $path_parts[count($path_parts)-1];
 597
 598                         if($this->cached_profile_picdate[$common_filename]){
 599                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 600                         } else {
 601                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 602                                         $common_filename);
 603                                 if(! count($r)){
 604                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 605                                 } else {
 606                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 607                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 608                                 }
 609                         }
 610                         return $this->cached_profile_image[$avatar_image];
 611                 }
 612
 613
 614         }
 615 }
 616
 617 // retrieve the App structure
 618 // useful in functions which require it but don't get it passed to them
 619
 620 if(! function_exists('get_app')) {
 621         function get_app() {
 622                 global $a;
 623                 return $a;
 624         }
 625 };
 626
 627
 628 // Multi-purpose function to check variable state.
 629 // Usage: x($var) or $x($array,'key')
 630 // returns false if variable/key is not set
 631 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 632 // e.g. x('') or x(0) returns 0;
 633
 634 if(! function_exists('x')) {
 635         function x($s,$k = NULL) {
 636                 if($k != NULL) {
 637                         if((is_array($s)) && (array_key_exists($k,$s))) {
 638                                 if($s[$k])
 639                                         return (int) 1;
 640                                 return (int) 0;
 641                 }
 642                         return false;
 643                 }
 644                 else {
 645                         if(isset($s)) {
 646                                 if($s) {
 647                                         return (int) 1;
 648                                 }
 649                                 return (int) 0;
 650                         }
 651                         return false;
 652                 }
 653         }
 654 }
 655
 656 // called from db initialisation if db is dead.
 657
 658 if(! function_exists('system_unavailable')) {
 659         function system_unavailable() {
 660                 include('system_unavailable.php');
 661                 system_down();
 662                 killme();
 663         }
 664 }
 665
 666
 667
 668 function clean_urls() {
 669         global $a;
 670         //      if($a->config['system']['clean_urls'])
 671         return true;
 672         //      return false;
 673 }
 674
 675 function z_path() {
 676         global $a;
 677         $base = $a->get_baseurl();
 678         if(! clean_urls())
 679                 $base .= '/?q=';
 680         return $base;
 681 }
 682
 683 function z_root() {
 684         global $a;
 685         return $a->get_baseurl();
 686 }
 687
 688 function absurl($path) {
 689         if(strpos($path,'/') === 0)
 690                 return z_path() . $path;
 691         return $path;
 692 }
 693
 694 function is_ajax() {
 695         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 696 }
 697
 698
 699 // Primarily involved with database upgrade, but also sets the
 700 // base url for use in cmdline programs which don't have
 701 // $_SERVER variables, and synchronising the state of installed plugins.
 702
 703
 704 if(! function_exists('check_config')) {
 705         function check_config(&$a) {
 706
 707                 $build = get_config('system','build');
 708                 if(! x($build))
 709                         $build = set_config('system','build',DB_UPDATE_VERSION);
 710
 711                 $url = get_config('system','url');
 712
 713                 // if the url isn't set or the stored url is radically different
 714                 // than the currently visited url, store the current value accordingly.
 715                 // "Radically different" ignores common variations such as http vs https
 716                 // and www.example.com vs example.com.
 717
 718                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 719                         $url = set_config('system','url',$a->get_baseurl());
 720
 721                 if($build != DB_UPDATE_VERSION) {
 722                         $stored = intval($build);
 723                         $current = intval(DB_UPDATE_VERSION);
 724                         if(($stored < $current) && file_exists('update.php')) {
 725
 726                                 load_config('database');
 727
 728                                 // We're reporting a different version than what is currently installed.
 729                                 // Run any existing update scripts to bring the database up to current.
 730
 731                                 require_once('update.php');
 732
 733                                 // make sure that boot.php and update.php are the same release, we might be
 734                                 // updating right this very second and the correct version of the update.php
 735                                 // file may not be here yet. This can happen on a very busy site.
 736
 737                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 738
 739                                         for($x = $stored; $x < $current; $x ++) {
 740                                                 if(function_exists('update_' . $x)) {
 741
 742                                                         // There could be a lot of processes running or about to run.
 743                                                         // We want exactly one process to run the update command.
 744                                                         // So store the fact that we're taking responsibility
 745                                                         // after first checking to see if somebody else already has.
 746
 747                                                         // If the update fails or times-out completely you may need to
 748                                                         // delete the config entry to try again.
 749
 750                                                         $t = get_config('database','update_' . $x);
 751                                                         if($t !== false)
 752                                                                 break;
 753                                                         set_config('database','update_' . $x, time());
 754
 755                                                         // call the specific update
 756
 757                                                         $func = 'update_' . $x;
 758                                                         $retval = $func();
 759                                                         if($retval) {
 760                                                                 //send the administrator an e-mail
 761                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 762                                                                 $email_msg = replace_macros($email_tpl, array(
 763                                                                         '$sitename' => $a->config['sitename'],
 764                                                                         '$siteurl' =>  $a->get_baseurl(),
 765                                                                         '$update' => $x,
 766                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 767                                                                 ));
 768                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 769
 770                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 771                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 772                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 773                                                                         . 'Content-transfer-encoding: 8bit' );
 774                                                                 //try the logger
 775                                                                 logger('CRITICAL: Update Failed: '. $x);
 776                                                                 break;
 777                                                         }
 778                                                         else {
 779                                                                 set_config('database','update_' . $x, 'success');
 780                                                                 set_config('system','build', $x + 1);
 781                                                         }
 782                                                 }
 783                                         }
 784                                 }
 785                         }
 786                 }
 787
 788                 /**
 789                  *
 790                  * Synchronise plugins:
 791                  *
 792                  * $a->config['system']['addon'] contains a comma-separated list of names
 793                  * of plugins/addons which are used on this system.
 794                  * Go through the database list of already installed addons, and if we have
 795                  * an entry, but it isn't in the config list, call the uninstall procedure
 796                  * and mark it uninstalled in the database (for now we'll remove it).
 797                  * Then go through the config list and if we have a plugin that isn't installed,
 798                  * call the install procedure and add it to the database.
 799                  *
 800                  */
 801
 802                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 803                 if(count($r))
 804                         $installed = $r;
 805                 else
 806                         $installed = array();
 807
 808                 $plugins = get_config('system','addon');
 809                 $plugins_arr = array();
 810
 811                 if($plugins)
 812                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 813
 814                 $a->plugins = $plugins_arr;
 815
 816                 $installed_arr = array();
 817
 818                 if(count($installed)) {
 819                         foreach($installed as $i) {
 820                                 if(! in_array($i['name'],$plugins_arr)) {
 821                                         uninstall_plugin($i['name']);
 822                                 }
 823                                 else {
 824                                         $installed_arr[] = $i['name'];
 825                                 }
 826                         }
 827                 }
 828
 829                 if(count($plugins_arr)) {
 830                         foreach($plugins_arr as $p) {
 831                                 if(! in_array($p,$installed_arr)) {
 832                                         install_plugin($p);
 833                                 }
 834                         }
 835                 }
 836
 837
 838                 load_hooks();
 839
 840                 return;
 841         }
 842 }
 843
 844
 845 function get_guid($size=16) {
 846         $exists = true; // assume by default that we don't have a unique guid
 847         do {
 848                 $s = random_string($size);
 849                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 850                 if(! count($r))
 851                         $exists = false;
 852         } while($exists);
 853         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 854         return $s;
 855 }
 856
 857
 858 // wrapper for adding a login box. If $register == true provide a registration
 859 // link. This will most always depend on the value of $a->config['register_policy'].
 860 // returns the complete html for inserting into the page
 861
 862 if(! function_exists('login')) {
 863         function login($register = false, $hiddens=false) {
 864                 $a = get_app();
 865                 $o = "";
 866                 $reg = false;
 867                 if ($register) {
 868                         $reg = array(
 869                                 'title' => t('Create a New Account'),
 870                                 'desc' => t('Register')
 871                         );
 872                 }
 873
 874                 $noid = get_config('system','no_openid');
 875
 876                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 877
 878                 if(local_user()) {
 879                         $tpl = get_markup_template("logout.tpl");
 880                 }
 881                 else {
 882                         $tpl = get_markup_template("login.tpl");
 883                         $_SESSION['return_url'] = $a->query_string;
 884                 }
 885
 886
 887                 $o .= replace_macros($tpl,array(
 888
 889                         '$dest_url'     => $dest_url,
 890                         '$logout'       => t('Logout'),
 891                         '$login'        => t('Login'),
 892
 893                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 894                         '$lpassword'    => array('password', t('Password: '), '', ''),
 895
 896                         '$openid'               => !$noid,
 897                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 898
 899                         '$hiddens'      => $hiddens,
 900
 901                         '$register'     => $reg,
 902
 903                         '$lostpass'     => t('Forgot your password?'),
 904                         '$lostlink'     => t('Password Reset'),
 905                 ));
 906
 907                 call_hooks('login_hook',$o);
 908
 909                 return $o;
 910         }
 911 }
 912
 913 // Used to end the current process, after saving session state.
 914
 915 if(! function_exists('killme')) {
 916         function killme() {
 917                 session_write_close();
 918                 exit;
 919         }
 920 }
 921
 922 // redirect to another URL and terminate this process.
 923
 924 if(! function_exists('goaway')) {
 925         function goaway($s) {
 926                 header("Location: $s");
 927                 killme();
 928         }
 929 }
 930
 931
 932 // Returns the uid of locally logged in user or false.
 933
 934 if(! function_exists('local_user')) {
 935         function local_user() {
 936                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 937                         return intval($_SESSION['uid']);
 938                 return false;
 939         }
 940 }
 941
 942 // Returns contact id of authenticated site visitor or false
 943
 944 if(! function_exists('remote_user')) {
 945         function remote_user() {
 946                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 947                         return intval($_SESSION['visitor_id']);
 948                 return false;
 949         }
 950 }
 951
 952 // contents of $s are displayed prominently on the page the next time
 953 // a page is loaded. Usually used for errors or alerts.
 954
 955 if(! function_exists('notice')) {
 956         function notice($s) {
 957                 $a = get_app();
 958                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 959                 if($a->interactive)
 960                         $_SESSION['sysmsg'][] = $s;
 961         }
 962 }
 963 if(! function_exists('info')) {
 964         function info($s) {
 965                 $a = get_app();
 966                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 967                 if($a->interactive)
 968                         $_SESSION['sysmsg_info'][] = $s;
 969         }
 970 }
 971
 972
 973 // wrapper around config to limit the text length of an incoming message
 974
 975 if(! function_exists('get_max_import_size')) {
 976         function get_max_import_size() {
 977                 global $a;
 978                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 979         }
 980 }
 981
 982
 983
 984 /**
 985  *
 986  * Function : profile_load
 987  * @parameter App    $a
 988  * @parameter string $nickname
 989  * @parameter int    $profile
 990  *
 991  * Summary: Loads a profile into the page sidebar.
 992  * The function requires a writeable copy of the main App structure, and the nickname
 993  * of a registered local account.
 994  *
 995  * If the viewer is an authenticated remote viewer, the profile displayed is the
 996  * one that has been configured for his/her viewing in the Contact manager.
 997  * Passing a non-zero profile ID can also allow a preview of a selected profile
 998  * by the owner.
 999  *
1000  * Profile information is placed in the App structure for later retrieval.
1001  * Honours the owner's chosen theme for display.
1002  *
1003  */
1004
1005 if(! function_exists('profile_load')) {
1006         function profile_load(&$a, $nickname, $profile = 0) {
1007                 if(remote_user()) {
1008                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1009                                         intval($_SESSION['visitor_id']));
1010                         if(count($r))
1011                                 $profile = $r[0]['profile-id'];
1012                 }
1013
1014                 $r = null;
1015
1016                 if($profile) {
1017                         $profile_int = intval($profile);
1018                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1019                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1020                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1021                                         dbesc($nickname),
1022                                         intval($profile_int)
1023                         );
1024                 }
1025                 if((! $r) && (!  count($r))) {
1026                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1027                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1028                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1029                                         dbesc($nickname)
1030                         );
1031                 }
1032
1033                 if(($r === false) || (! count($r))) {
1034                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1035                         notice( t('Requested profile is not available.') . EOL );
1036                         $a->error = 404;
1037                         return;
1038                 }
1039
1040                 // fetch user tags if this isn't the default profile
1041
1042                 if(! $r[0]['is-default']) {
1043                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1044                                         intval($profile_uid)
1045                         );
1046                         if($x && count($x))
1047                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1048                 }
1049
1050                 $a->profile = $r[0];
1051
1052
1053                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1054                 $_SESSION['theme'] = $a->profile['theme'];
1055
1056                 /**
1057                  * load/reload current theme info
1058                  */
1059
1060                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1061                 if (file_exists($theme_info_file)){
1062                         require_once($theme_info_file);
1063                 }
1064
1065                 if(! (x($a->page,'aside')))
1066                         $a->page['aside'] = '';
1067
1068                 if(local_user() && local_user() == $a->profile['uid']) {
1069                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1070                                 '$editprofile' => t('Edit profile'),
1071                                 '$profid' => $a->profile['id']
1072                         ));
1073                 }
1074
1075                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1076
1077                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1078
1079                 /*if(! $block)
1080                  $a->page['aside'] .= contact_block();*/
1081
1082                 return;
1083         }
1084 }
1085
1086
1087 /**
1088  *
1089  * Function: profile_sidebar
1090  *
1091  * Formats a profile for display in the sidebar.
1092  * It is very difficult to templatise the HTML completely
1093  * because of all the conditional logic.
1094  *
1095  * @parameter: array $profile
1096  *
1097  * Returns HTML string stuitable for sidebar inclusion
1098  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1099  *
1100  */
1101
1102
1103 if(! function_exists('profile_sidebar')) {
1104         function profile_sidebar($profile, $block = 0) {
1105
1106                 $a = get_app();
1107
1108                 $o = '';
1109                 $location = false;
1110                 $address = false;
1111                 $pdesc = true;
1112
1113                 if((! is_array($profile)) && (! count($profile)))
1114                         return $o;
1115
1116                 $profile['picdate'] = urlencode($profile['picdate']);
1117
1118                 call_hooks('profile_sidebar_enter', $profile);
1119
1120
1121                 // don't show connect link to yourself
1122                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1123
1124                 // don't show connect link to authenticated visitors either
1125
1126                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1127                         $connect = False;
1128
1129                 if(get_my_url() && $profile['unkmail'])
1130                         $wallmessage = t('Message');
1131                 else
1132                         $wallmessage = false;
1133
1134
1135
1136                 // show edit profile to yourself
1137                 if ($profile['uid'] == local_user()) {
1138                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1139
1140                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1141                                         local_user());
1142
1143                         $profile['menu'] = array(
1144                                 'chg_photo' => t('Change profile photo'),
1145                                 'cr_new' => t('Create New Profile'),
1146                                 'entries' => array(),
1147                         );
1148
1149                         if(count($r)) {
1150
1151                                 foreach($r as $rr) {
1152                                         $profile['menu']['entries'][] = array(
1153                                                 'photo' => $rr['thumb'],
1154                                                 'id' => $rr['id'],
1155                                                 'alt' => t('Profile Image'),
1156                                                 'profile_name' => $rr['profile-name'],
1157                                                 'isdefault' => $rr['is-default'],
1158                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1159                                                 'edit_visibility' => t('Edit visibility'),
1160
1161                                         );
1162                                 }
1163
1164
1165                         }
1166
1167
1168                 }
1169
1170
1171
1172
1173                 if((x($profile,'address') == 1)
1174                                 || (x($profile,'locality') == 1)
1175                                 || (x($profile,'region') == 1)
1176                                 || (x($profile,'postal-code') == 1)
1177                                 || (x($profile,'country-name') == 1))
1178                         $location = t('Location:');
1179
1180                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1181
1182
1183                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1184
1185                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1186
1187                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1188                         $location = $pdesc = $gender = $marital = $homepage = False;
1189                 }
1190
1191                 $firstname = ((strpos($profile['name'],' '))
1192                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1193                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1194
1195                 $diaspora = array(
1196                         'podloc' => $a->get_baseurl(),
1197                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1198                         'nickname' => $profile['nickname'],
1199                         'fullname' => $profile['name'],
1200                         'firstname' => $firstname,
1201                         'lastname' => $lastname,
1202                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1203                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1204                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1205                 );
1206
1207                 if (!$block){
1208                         $contact_block = contact_block();
1209                 }
1210
1211
1212                 $tpl = get_markup_template('profile_vcard.tpl');
1213
1214                 $o .= replace_macros($tpl, array(
1215                         '$profile' => $profile,
1216                         '$connect'  => $connect,
1217                         '$wallmessage' => $wallmessage,
1218                         '$location' => template_escape($location),
1219                         '$gender'   => $gender,
1220                         '$pdesc'        => $pdesc,
1221                         '$marital'  => $marital,
1222                         '$homepage' => $homepage,
1223                         '$diaspora' => $diaspora,
1224                         '$contact_block' => $contact_block,
1225                 ));
1226
1227
1228                 $arr = array('profile' => &$profile, 'entry' => &$o);
1229
1230                 call_hooks('profile_sidebar', $arr);
1231
1232                 return $o;
1233         }
1234 }
1235
1236
1237 if(! function_exists('get_birthdays')) {
1238         function get_birthdays() {
1239
1240                 $a = get_app();
1241                 $o = '';
1242
1243                 if(! local_user())
1244                         return $o;
1245
1246                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1247                 $bd_short = t('F d');
1248
1249                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1250                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1251                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1252                                 ORDER BY `start` ASC ",
1253                                 intval(local_user()),
1254                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1255                                 dbesc(datetime_convert('UTC','UTC','now'))
1256                 );
1257
1258                 if($r && count($r)) {
1259                         $total = 0;
1260                         $now = strtotime('now');
1261                         $cids = array();
1262
1263                         $istoday = false;
1264                         foreach($r as $rr) {
1265                                 if(strlen($rr['name']))
1266                                         $total ++;
1267                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1268                                         $istoday = true;
1269                         }
1270                         $classtoday = $istoday ? ' birthday-today ' : '';
1271                         if($total) {
1272                                 foreach($r as &$rr) {
1273                                         if(! strlen($rr['name']))
1274                                                 continue;
1275
1276                                         // avoid duplicates
1277
1278                                         if(in_array($rr['cid'],$cids))
1279                                                 continue;
1280                                         $cids[] = $rr['cid'];
1281
1282                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1283                                         $sparkle = '';
1284                                         $url = $rr['url'];
1285                                         if($rr['network'] === NETWORK_DFRN) {
1286                                                 $sparkle = " sparkle";
1287                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1288                                         }
1289
1290                                         $rr['link'] = $url;
1291                                         $rr['title'] = $rr['name'];
1292                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1293                                         $rr['startime'] = Null;
1294                                         $rr['today'] = $today;
1295
1296                                 }
1297                         }
1298                 }
1299                 $tpl = get_markup_template("birthdays_reminder.tpl");
1300                 return replace_macros($tpl, array(
1301                         '$baseurl' => $a->get_baseurl(),
1302                         '$classtoday' => $classtoday,
1303                         '$count' => $total,
1304                         '$event_reminders' => t('Birthday Reminders'),
1305                         '$event_title' => t('Birthdays this week:'),
1306                         '$events' => $r,
1307                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1308                         '$rbr' => '}'
1309
1310                 ));
1311         }
1312 }
1313
1314
1315 if(! function_exists('get_events')) {
1316         function get_events() {
1317
1318                 require_once('include/bbcode.php');
1319
1320                 $a = get_app();
1321
1322                 if(! local_user())
1323                         return $o;
1324
1325                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1326                 $bd_short = t('F d');
1327
1328                 $r = q("SELECT `event`.* FROM `event`
1329                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1330                                 ORDER BY `start` ASC ",
1331                                 intval(local_user()),
1332                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1333                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1334                 );
1335
1336                 if($r && count($r)) {
1337                         $now = strtotime('now');
1338                         $istoday = false;
1339                         foreach($r as $rr) {
1340                                 if(strlen($rr['name']))
1341                                         $total ++;
1342
1343                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1344                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1345                                         $istoday = true;
1346                         }
1347                         $classtoday = (($istoday) ? 'event-today' : '');
1348
1349
1350                         foreach($r as &$rr) {
1351                                 if($rr['adjust'])
1352                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1353                                 else
1354                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1355                                 $md .= "/#link-".$rr['id'];
1356
1357                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1358                                 if(! $title)
1359                                         $title = t('[No description]');
1360
1361                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1362                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1363
1364                                 $rr['link'] = $md;
1365                                 $rr['title'] = $title;
1366                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1367                                 $rr['startime'] = $strt;
1368                                 $rr['today'] = $today;
1369                         }
1370                 }
1371
1372                 $tpl = get_markup_template("events_reminder.tpl");
1373                 return replace_macros($tpl, array(
1374                         '$baseurl' => $a->get_baseurl(),
1375                         '$classtoday' => $classtoday,
1376                         '$count' => count($r),
1377                         '$event_reminders' => t('Event Reminders'),
1378                         '$event_title' => t('Events this week:'),
1379                         '$events' => $r,
1380                 ));
1381         }
1382 }
1383
1384
1385 /**
1386  *
1387  * Wrap calls to proc_close(proc_open()) and call hook
1388  * so plugins can take part in process :)
1389  *
1390  * args:
1391  * $cmd program to run
1392  *  next args are passed as $cmd command line
1393  *
1394  * e.g.: proc_run("ls","-la","/tmp");
1395  *
1396  * $cmd and string args are surrounded with ""
1397  */
1398
1399 if(! function_exists('proc_run')) {
1400         function proc_run($cmd){
1401
1402                 $a = get_app();
1403
1404                 $args = func_get_args();
1405
1406                 $newargs = array();
1407                 if(! count($args))
1408                         return;
1409
1410                 // expand any arrays
1411
1412                 foreach($args as $arg) {
1413                         if(is_array($arg)) {
1414                                 foreach($arg as $n) {
1415                                         $newargs[] = $n;
1416                                 }
1417                         }
1418                         else
1419                                 $newargs[] = $arg;
1420                 }
1421
1422                 $args = $newargs;
1423
1424                 $arr = array('args' => $args, 'run_cmd' => true);
1425
1426                 call_hooks("proc_run", $arr);
1427                 if(! $arr['run_cmd'])
1428                         return;
1429
1430                 if(count($args) && $args[0] === 'php')
1431                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1432                 for($x = 0; $x < count($args); $x ++)
1433                         $args[$x] = escapeshellarg($args[$x]);
1434
1435                 $cmdline = implode($args," ");
1436                 proc_close(proc_open($cmdline." &",array(),$foo));
1437         }
1438 }
1439
1440 if(! function_exists('current_theme')) {
1441         function current_theme(){
1442                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1443
1444                 $a = get_app();
1445
1446                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1447                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1448
1449                 if($theme_name &&
1450                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1451                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1452                         return($theme_name);
1453
1454                 foreach($app_base_themes as $t) {
1455                         if(file_exists('view/theme/' . $t . '/style.css')||
1456                                         file_exists('view/theme/' . $t . '/style.php'))
1457                                 return($t);
1458                 }
1459
1460                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1461                 if(count($fallback))
1462                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1463
1464         }
1465 }
1466
1467 /*
1468  * Return full URL to theme which is currently in effect.
1469 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1470 */
1471 if(! function_exists('current_theme_url')) {
1472         function current_theme_url() {
1473                 global $a;
1474                 $t = current_theme();
1475                 if (file_exists('view/theme/' . $t . '/style.php'))
1476                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1477                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1478         }
1479 }
1480
1481 if(! function_exists('feed_birthday')) {
1482         function feed_birthday($uid,$tz) {
1483
1484                 /**
1485                  *
1486                  * Determine the next birthday, but only if the birthday is published
1487                  * in the default profile. We _could_ also look for a private profile that the
1488                  * recipient can see, but somebody could get mad at us if they start getting
1489                  * public birthday greetings when they haven't made this info public.
1490                  *
1491                  * Assuming we are able to publish this info, we are then going to convert
1492                  * the start time from the owner's timezone to UTC.
1493                  *
1494                  * This will potentially solve the problem found with some social networks
1495                  * where birthdays are converted to the viewer's timezone and salutations from
1496                  * elsewhere in the world show up on the wrong day. We will convert it to the
1497                  * viewer's timezone also, but first we are going to convert it from the birthday
1498                  * person's timezone to GMT - so the viewer may find the birthday starting at
1499                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1500                  *
1501                  */
1502
1503
1504                 $birthday = '';
1505
1506                 if(! strlen($tz))
1507                         $tz = 'UTC';
1508
1509                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1510                                 intval($uid)
1511                 );
1512
1513                 if($p && count($p)) {
1514                         $tmp_dob = substr($p[0]['dob'],5);
1515                         if(intval($tmp_dob)) {
1516                                 $y = datetime_convert($tz,$tz,'now','Y');
1517                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1518                                 $t_dob = strtotime($bd);
1519                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1520                                 if($t_dob < $now)
1521                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1522                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1523                         }
1524                 }
1525
1526                 return $birthday;
1527         }
1528 }
1529
1530 if(! function_exists('is_site_admin')) {
1531         function is_site_admin() {
1532                 $a = get_app();
1533                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1534                         return true;
1535                 return false;
1536         }
1537 }
1538
1539
1540 if(! function_exists('load_contact_links')) {
1541         function load_contact_links($uid) {
1542
1543                 $a = get_app();
1544
1545                 $ret = array();
1546
1547                 if(! $uid || x($a->contacts,'empty'))
1548                         return;
1549
1550                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1551                                 intval($uid)
1552                 );
1553                 if(count($r)) {
1554                         foreach($r as $rr){
1555                                 $url = normalise_link($rr['url']);
1556                                 $ret[$url] = $rr;
1557                         }
1558                 }
1559                 else
1560                         $ret['empty'] = true;
1561                 $a->contacts = $ret;
1562                 return;
1563         }
1564 }
1565
1566 if(! function_exists('profile_tabs')){
1567         function profile_tabs($a, $is_owner=False, $nickname=Null){
1568                 //echo "<pre>"; var_dump($a->user); killme();
1569
1570                 if (is_null($nickname))
1571                         $nickname  = $a->user['nickname'];
1572
1573                 if(x($_GET,'tab'))
1574                         $tab = notags(trim($_GET['tab']));
1575
1576                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1577
1578                 $tabs = array(
1579                         array(
1580                                 'label'=>t('Status'),
1581                                 'url' => $url,
1582                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1583                                 'title' => t('Status Messages and Posts'),
1584                         ),
1585                         array(
1586                                 'label' => t('Profile'),
1587                                 'url'   => $url.'/?tab=profile',
1588                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1589                                 'title' => t('Profile Details'),
1590                         ),
1591                         array(
1592                                 'label' => t('Photos'),
1593                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1594                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1595                                 'title' => t('Photo Albums'),
1596                         ),
1597                 );
1598
1599                 if ($is_owner){
1600                         $tabs[] = array(
1601                                 'label' => t('Events'),
1602                                 'url'   => $a->get_baseurl() . '/events',
1603                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1604                                 'title' => t('Events and Calendar'),
1605                         );
1606                         $tabs[] = array(
1607                                 'label' => t('Personal Notes'),
1608                                 'url'   => $a->get_baseurl() . '/notes',
1609                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1610                                 'title' => t('Only You Can See This'),
1611                         );
1612                 }
1613
1614
1615                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1616                 call_hooks('profile_tabs', $arr);
1617
1618                 $tpl = get_markup_template('common_tabs.tpl');
1619
1620                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1621         }
1622 }
1623
1624 function get_my_url() {
1625         if(x($_SESSION,'my_url'))
1626                 return $_SESSION['my_url'];
1627         return false;
1628 }
1629
1630 function zrl_init(&$a) {
1631         $tmp_str = get_my_url();
1632         if(validate_url($tmp_str)) {
1633                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1634                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1635                 call_hooks('zrl_init',$arr);
1636         }
1637 }
1638
1639 function zrl($s,$force = false) {
1640         if(! strlen($s))
1641                 return $s;
1642         if((! strpos($s,'/profile/')) && (! $force))
1643                 return $s;
1644         if($force && substr($s,-1,1) !== '/')
1645                 $s = $s . '/';
1646         $achar = strpos($s,'?') ? '&' : '?';
1647         $mine = get_my_url();
1648         if($mine and ! link_compare($mine,$s))
1649                 return $s . $achar . 'zrl=' . urlencode($mine);
1650         return $s;
1651 }
1652
1653 /**
1654 * returns querystring as string from a mapped array
1655 *
1656 * @param params Array
1657 * @return string
1658 */
1659 function build_querystring($params, $name=null) {
1660     $ret = "";
1661     foreach($params as $key=>$val) {
1662         if(is_array($val)) {
1663             if($name==null) {
1664                 $ret .= build_querystring($val, $key);
1665             } else {
1666                 $ret .= build_querystring($val, $name."[$key]");
1667             }
1668         } else {
1669             $val = urlencode($val);
1670             if($name!=null) {
1671                 $ret.=$name."[$key]"."=$val&";
1672             } else {
1673                 $ret.= "$key=$val&";
1674             }
1675         }
1676     }
1677     return $ret;
1678 }