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',      '3.0.1404' );
  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
 195 define ( 'NOTIFY_SYSTEM',   0x8000 );
 196
 197
 198 /**
 199  * Tag/term types
 200  */
 201
 202 define ( 'TERM_UNKNOWN',   0 );
 203 define ( 'TERM_HASHTAG',   1 );
 204 define ( 'TERM_MENTION',   2 );
 205 define ( 'TERM_CATEGORY',  3 );
 206 define ( 'TERM_PCATEGORY', 4 );
 207 define ( 'TERM_FILE',      5 );
 208
 209 define ( 'TERM_OBJ_POST',  1 );
 210 define ( 'TERM_OBJ_PHOTO', 2 );
 211
 212
 213
 214 /**
 215  * various namespaces we may need to parse
 216  */
 217
 218 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 219 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 220 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 221 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 222 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 223 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 224 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 225 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 226 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 227 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 228 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 229 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 230 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 231 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 232 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 233 /**
 234  * activity stream defines
 235  */
 236
 237 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 238 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 239 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 240
 241 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 242 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 243 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 244 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 245 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 246 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 247
 248 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 249 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 250 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 251 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 252
 253 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 254 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 255 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 256 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 257 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 258 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 259 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 260 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 261 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 262 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 263
 264 /**
 265  * item weight for query ordering
 266  */
 267
 268 define ( 'GRAVITY_PARENT',       0);
 269 define ( 'GRAVITY_LIKE',         3);
 270 define ( 'GRAVITY_COMMENT',      6);
 271
 272 /**
 273  *
 274  * Reverse the effect of magic_quotes_gpc if it is enabled.
 275  * Please disable magic_quotes_gpc so we don't have to do this.
 276  * See http://php.net/manual/en/security.magicquotes.disabling.php
 277  *
 278  */
 279
 280 function startup() {
 281         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 282         set_time_limit(0);
 283
 284         // This has to be quite large to deal with embedded private photos
 285         ini_set('pcre.backtrack_limit', 500000);
 286
 287
 288         if (get_magic_quotes_gpc()) {
 289                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 290                 while (list($key, $val) = each($process)) {
 291                         foreach ($val as $k => $v) {
 292                                 unset($process[$key][$k]);
 293                                 if (is_array($v)) {
 294                                         $process[$key][stripslashes($k)] = $v;
 295                                         $process[] = &$process[$key][stripslashes($k)];
 296                                 } else {
 297                                         $process[$key][stripslashes($k)] = stripslashes($v);
 298                                 }
 299                         }
 300                 }
 301                 unset($process);
 302         }
 303
 304 }
 305
 306 /**
 307  *
 308  * class: App
 309  *
 310  * Our main application structure for the life of this page
 311  * Primarily deals with the URL that got us here
 312  * and tries to make some sense of it, and
 313  * stores our page contents and config storage
 314  * and anything else that might need to be passed around
 315  * before we spit the page out.
 316  *
 317  */
 318
 319 if(! class_exists('App')) {
 320         class App {
 321
 322                 public  $module_loaded = false;
 323                 public  $query_string;
 324                 public  $config;
 325                 public  $page;
 326                 public  $profile;
 327                 public  $user;
 328                 public  $cid;
 329                 public  $contact;
 330                 public  $contacts;
 331                 public  $page_contact;
 332                 public  $content;
 333                 public  $data = array();
 334                 public  $error = false;
 335                 public  $cmd;
 336                 public  $argv;
 337                 public  $argc;
 338                 public  $module;
 339                 public  $pager;
 340                 public  $strings;
 341                 public  $path;
 342                 public  $hooks;
 343                 public  $timezone;
 344                 public  $interactive = true;
 345                 public  $plugins;
 346                 public  $apps = array();
 347                 public  $identities;
 348
 349                 public $nav_sel;
 350
 351                 public $category;
 352
 353                 private $scheme;
 354                 private $hostname;
 355                 private $baseurl;
 356                 private $db;
 357
 358                 private $curl_code;
 359                 private $curl_headers;
 360
 361                 private $cached_profile_image;
 362                 private $cached_profile_picdate;
 363
 364                 function __construct() {
 365
 366                         global $default_timezone;
 367
 368                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 369
 370                         date_default_timezone_set($this->timezone);
 371
 372                         $this->config = array();
 373                         $this->page = array();
 374                         $this->pager= array();
 375
 376                         $this->query_string = '';
 377
 378                         startup();
 379
 380                         $this->scheme = 'http';
 381                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 382                                 $this->scheme = 'https';
 383                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 384                         $this->scheme = 'https';
 385
 386
 387                         if(x($_SERVER,'SERVER_NAME')) {
 388                                 $this->hostname = $_SERVER['SERVER_NAME'];
 389
 390                                 // See bug 437 - this didn't work so disabling it
 391                                 //if(stristr($this->hostname,'xn--')) {
 392                                         // PHP or webserver may have converted idn to punycode, so
 393                                         // convert punycode back to utf-8
 394                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 395                                 //      $x = new idna_convert();
 396                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 397                                 //}
 398
 399                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 400                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 401                                 /**
 402                                  * Figure out if we are running at the top of a domain
 403                                  * or in a sub-directory and adjust accordingly
 404                                  */
 405
 406                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 407                                 if(isset($path) && strlen($path) && ($path != $this->path))
 408                                         $this->path = $path;
 409                         }
 410
 411                         set_include_path(
 412                                         "include/$this->hostname" . PATH_SEPARATOR
 413                                         . 'include' . PATH_SEPARATOR
 414                                         . 'library' . PATH_SEPARATOR
 415                                         . 'library/phpsec' . PATH_SEPARATOR
 416                                         . 'library/langdet' . PATH_SEPARATOR
 417                                         . '.' );
 418
 419                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 420                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 421                                 // removing trailing / - maybe a nginx problem
 422                                 if (substr($this->query_string, 0, 1) == "/")
 423                                         $this->query_string = substr($this->query_string, 1);
 424                         }
 425                         if(x($_GET,'q'))
 426                                 $this->cmd = trim($_GET['q'],'/\\');
 427
 428                         // unix style "homedir"
 429
 430                         if(substr($this->cmd,0,1) === '~')
 431                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 432
 433                         // Diaspora style profile url
 434
 435                         if(substr($this->cmd,0,2) === 'u/')
 436                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 437
 438                         /**
 439                          *
 440                          * Break the URL path into C style argc/argv style arguments for our
 441                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 442                          * will be 3 (integer) and $this->argv will contain:
 443                          *   [0] => 'module'
 444                          *   [1] => 'arg1'
 445                          *   [2] => 'arg2'
 446                          *
 447                          *
 448                          * There will always be one argument. If provided a naked domain
 449                          * URL, $this->argv[0] is set to "home".
 450                          *
 451                          */
 452
 453                         $this->argv = explode('/',$this->cmd);
 454                         $this->argc = count($this->argv);
 455                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 456                                 $this->module = str_replace(".", "_", $this->argv[0]);
 457                         }
 458                         else {
 459                                 $this->argc = 1;
 460                                 $this->argv = array('home');
 461                                 $this->module = 'home';
 462                         }
 463
 464                         /**
 465                          * Special handling for the webfinger/lrdd host XRD file
 466                          */
 467
 468                         if($this->cmd === '.well-known/host-meta') {
 469                                 $this->argc = 1;
 470                                 $this->argv = array('hostxrd');
 471                                 $this->module = 'hostxrd';
 472                         }
 473
 474                         /**
 475                          * See if there is any page number information, and initialise
 476                          * pagination
 477                          */
 478
 479                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 480                         $this->pager['itemspage'] = 50;
 481                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 482                         if($this->pager['start'] < 0)
 483                                 $this->pager['start'] = 0;
 484                         $this->pager['total'] = 0;
 485                 }
 486
 487                 function get_baseurl($ssl = false) {
 488
 489                         $scheme = $this->scheme;
 490
 491                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 492                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 493                                         $scheme = 'https';
 494
 495                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 496                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 497
 498                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 499                                         if($ssl)
 500                                                 $scheme = 'https';
 501                                         else
 502                                                 $scheme = 'http';
 503                                 }
 504                         }
 505
 506                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 507                         return $this->baseurl;
 508                 }
 509
 510                 function set_baseurl($url) {
 511                         $parsed = @parse_url($url);
 512
 513                         $this->baseurl = $url;
 514
 515                         if($parsed) {
 516                                 $this->scheme = $parsed['scheme'];
 517
 518                                 $this->hostname = $parsed['host'];
 519                                 if(x($parsed,'port'))
 520                                         $this->hostname .= ':' . $parsed['port'];
 521                                 if(x($parsed,'path'))
 522                                         $this->path = trim($parsed['path'],'\\/');
 523                         }
 524
 525                 }
 526
 527                 function get_hostname() {
 528                         return $this->hostname;
 529                 }
 530
 531                 function set_hostname($h) {
 532                         $this->hostname = $h;
 533                 }
 534
 535                 function set_path($p) {
 536                         $this->path = trim(trim($p),'/');
 537                 }
 538
 539                 function get_path() {
 540                         return $this->path;
 541                 }
 542
 543                 function set_pager_total($n) {
 544                         $this->pager['total'] = intval($n);
 545                 }
 546
 547                 function set_pager_itemspage($n) {
 548                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 549                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 550
 551                 }
 552
 553                 function init_pagehead() {
 554                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 555                         if($interval < 10000)
 556                                 $interval = 40000;
 557
 558                         $this->page['title'] = $this->config['sitename'];
 559                         $tpl = file_get_contents('view/head.tpl');
 560                         $this->page['htmlhead'] = replace_macros($tpl,array(
 561                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 562                                 '$local_user' => local_user(),
 563                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 564                                 '$delitem' => t('Delete this item?'),
 565                                 '$comment' => t('Comment'),
 566                                 '$showmore' => t('show more'),
 567                                 '$showfewer' => t('show fewer'),
 568                                 '$update_interval' => $interval
 569                         ));
 570                 }
 571
 572                 function set_curl_code($code) {
 573                         $this->curl_code = $code;
 574                 }
 575
 576                 function get_curl_code() {
 577                         return $this->curl_code;
 578                 }
 579
 580                 function set_curl_headers($headers) {
 581                         $this->curl_headers = $headers;
 582                 }
 583
 584                 function get_curl_headers() {
 585                         return $this->curl_headers;
 586                 }
 587
 588                 function get_cached_avatar_image($avatar_image){
 589                         if($this->cached_profile_image[$avatar_image])
 590                                 return $this->cached_profile_image[$avatar_image];
 591
 592                         $path_parts = explode("/",$avatar_image);
 593                         $common_filename = $path_parts[count($path_parts)-1];
 594
 595                         if($this->cached_profile_picdate[$common_filename]){
 596                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 597                         } else {
 598                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 599                                         $common_filename);
 600                                 if(! count($r)){
 601                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 602                                 } else {
 603                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 604                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 605                                 }
 606                         }
 607                         return $this->cached_profile_image[$avatar_image];
 608                 }
 609
 610
 611         }
 612 }
 613
 614 // retrieve the App structure
 615 // useful in functions which require it but don't get it passed to them
 616
 617 if(! function_exists('get_app')) {
 618         function get_app() {
 619                 global $a;
 620                 return $a;
 621         }
 622 };
 623
 624
 625 // Multi-purpose function to check variable state.
 626 // Usage: x($var) or $x($array,'key')
 627 // returns false if variable/key is not set
 628 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 629 // e.g. x('') or x(0) returns 0;
 630
 631 if(! function_exists('x')) {
 632         function x($s,$k = NULL) {
 633                 if($k != NULL) {
 634                         if((is_array($s)) && (array_key_exists($k,$s))) {
 635                                 if($s[$k])
 636                                         return (int) 1;
 637                                 return (int) 0;
 638                 }
 639                         return false;
 640                 }
 641                 else {
 642                         if(isset($s)) {
 643                                 if($s) {
 644                                         return (int) 1;
 645                                 }
 646                                 return (int) 0;
 647                         }
 648                         return false;
 649                 }
 650         }
 651 }
 652
 653 // called from db initialisation if db is dead.
 654
 655 if(! function_exists('system_unavailable')) {
 656         function system_unavailable() {
 657                 include('system_unavailable.php');
 658                 system_down();
 659                 killme();
 660         }
 661 }
 662
 663
 664
 665 function clean_urls() {
 666         global $a;
 667         //      if($a->config['system']['clean_urls'])
 668         return true;
 669         //      return false;
 670 }
 671
 672 function z_path() {
 673         global $a;
 674         $base = $a->get_baseurl();
 675         if(! clean_urls())
 676                 $base .= '/?q=';
 677         return $base;
 678 }
 679
 680 function z_root() {
 681         global $a;
 682         return $a->get_baseurl();
 683 }
 684
 685 function absurl($path) {
 686         if(strpos($path,'/') === 0)
 687                 return z_path() . $path;
 688         return $path;
 689 }
 690
 691 function is_ajax() {
 692         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 693 }
 694
 695
 696 // Primarily involved with database upgrade, but also sets the
 697 // base url for use in cmdline programs which don't have
 698 // $_SERVER variables, and synchronising the state of installed plugins.
 699
 700
 701 if(! function_exists('check_config')) {
 702         function check_config(&$a) {
 703
 704                 $build = get_config('system','build');
 705                 if(! x($build))
 706                         $build = set_config('system','build',DB_UPDATE_VERSION);
 707
 708                 $url = get_config('system','url');
 709
 710                 // if the url isn't set or the stored url is radically different
 711                 // than the currently visited url, store the current value accordingly.
 712                 // "Radically different" ignores common variations such as http vs https
 713                 // and www.example.com vs example.com.
 714
 715                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 716                         $url = set_config('system','url',$a->get_baseurl());
 717
 718                 if($build != DB_UPDATE_VERSION) {
 719                         $stored = intval($build);
 720                         $current = intval(DB_UPDATE_VERSION);
 721                         if(($stored < $current) && file_exists('update.php')) {
 722
 723                                 load_config('database');
 724
 725                                 // We're reporting a different version than what is currently installed.
 726                                 // Run any existing update scripts to bring the database up to current.
 727
 728                                 require_once('update.php');
 729
 730                                 // make sure that boot.php and update.php are the same release, we might be
 731                                 // updating right this very second and the correct version of the update.php
 732                                 // file may not be here yet. This can happen on a very busy site.
 733
 734                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 735
 736                                         for($x = $stored; $x < $current; $x ++) {
 737                                                 if(function_exists('update_' . $x)) {
 738
 739                                                         // There could be a lot of processes running or about to run.
 740                                                         // We want exactly one process to run the update command.
 741                                                         // So store the fact that we're taking responsibility
 742                                                         // after first checking to see if somebody else already has.
 743
 744                                                         // If the update fails or times-out completely you may need to
 745                                                         // delete the config entry to try again.
 746
 747                                                         if(get_config('database','update_' . $x))
 748                                                                 break;
 749                                                         set_config('database','update_' . $x, '1');
 750
 751                                                         // call the specific update
 752
 753                                                         $func = 'update_' . $x;
 754                                                         $retval = $func();
 755                                                         if($retval) {
 756                                                                 //send the administrator an e-mail
 757                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 758                                                                 $email_msg = replace_macros($email_tpl, array(
 759                                                                         '$sitename' => $a->config['sitename'],
 760                                                                         '$siteurl' =>  $a->get_baseurl(),
 761                                                                         '$update' => $x,
 762                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 763                                                                 ));
 764                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 765
 766                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 767                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 768                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 769                                                                         . 'Content-transfer-encoding: 8bit' );
 770                                                                 //try the logger
 771                                                                 logger('CRITICAL: Update Failed: '. $x);
 772                                                         }
 773                                                         else
 774                                                                 set_config('database','update_' . $x, 'success');
 775
 776                                                 }
 777                                         }
 778                                         set_config('system','build', DB_UPDATE_VERSION);
 779                                 }
 780                         }
 781                 }
 782
 783                 /**
 784                  *
 785                  * Synchronise plugins:
 786                  *
 787                  * $a->config['system']['addon'] contains a comma-separated list of names
 788                  * of plugins/addons which are used on this system.
 789                  * Go through the database list of already installed addons, and if we have
 790                  * an entry, but it isn't in the config list, call the uninstall procedure
 791                  * and mark it uninstalled in the database (for now we'll remove it).
 792                  * Then go through the config list and if we have a plugin that isn't installed,
 793                  * call the install procedure and add it to the database.
 794                  *
 795                  */
 796
 797                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 798                 if(count($r))
 799                         $installed = $r;
 800                 else
 801                         $installed = array();
 802
 803                 $plugins = get_config('system','addon');
 804                 $plugins_arr = array();
 805
 806                 if($plugins)
 807                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 808
 809                 $a->plugins = $plugins_arr;
 810
 811                 $installed_arr = array();
 812
 813                 if(count($installed)) {
 814                         foreach($installed as $i) {
 815                                 if(! in_array($i['name'],$plugins_arr)) {
 816                                         uninstall_plugin($i['name']);
 817                                 }
 818                                 else {
 819                                         $installed_arr[] = $i['name'];
 820                                 }
 821                         }
 822                 }
 823
 824                 if(count($plugins_arr)) {
 825                         foreach($plugins_arr as $p) {
 826                                 if(! in_array($p,$installed_arr)) {
 827                                         install_plugin($p);
 828                                 }
 829                         }
 830                 }
 831
 832
 833                 load_hooks();
 834
 835                 return;
 836         }
 837 }
 838
 839
 840 function get_guid($size=16) {
 841         $exists = true; // assume by default that we don't have a unique guid
 842         do {
 843                 $s = random_string($size);
 844                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 845                 if(! count($r))
 846                         $exists = false;
 847         } while($exists);
 848         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 849         return $s;
 850 }
 851
 852
 853 // wrapper for adding a login box. If $register == true provide a registration
 854 // link. This will most always depend on the value of $a->config['register_policy'].
 855 // returns the complete html for inserting into the page
 856
 857 if(! function_exists('login')) {
 858         function login($register = false, $hiddens=false) {
 859                 $a = get_app();
 860                 $o = "";
 861                 $reg = false;
 862                 if ($register) {
 863                         $reg = array(
 864                                 'title' => t('Create a New Account'),
 865                                 'desc' => t('Register')
 866                         );
 867                 }
 868
 869                 $noid = get_config('system','no_openid');
 870
 871                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 872
 873                 if(local_user()) {
 874                         $tpl = get_markup_template("logout.tpl");
 875                 }
 876                 else {
 877                         $tpl = get_markup_template("login.tpl");
 878                         $_SESSION['return_url'] = $a->query_string;
 879                 }
 880
 881
 882                 $o .= replace_macros($tpl,array(
 883
 884                         '$dest_url'     => $dest_url,
 885                         '$logout'       => t('Logout'),
 886                         '$login'        => t('Login'),
 887
 888                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 889                         '$lpassword'    => array('password', t('Password: '), '', ''),
 890
 891                         '$openid'               => !$noid,
 892                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 893
 894                         '$hiddens'      => $hiddens,
 895
 896                         '$register'     => $reg,
 897
 898                         '$lostpass'     => t('Forgot your password?'),
 899                         '$lostlink'     => t('Password Reset'),
 900                 ));
 901
 902                 call_hooks('login_hook',$o);
 903
 904                 return $o;
 905         }
 906 }
 907
 908 // Used to end the current process, after saving session state.
 909
 910 if(! function_exists('killme')) {
 911         function killme() {
 912                 session_write_close();
 913                 exit;
 914         }
 915 }
 916
 917 // redirect to another URL and terminate this process.
 918
 919 if(! function_exists('goaway')) {
 920         function goaway($s) {
 921                 header("Location: $s");
 922                 killme();
 923         }
 924 }
 925
 926
 927 // Returns the uid of locally logged in user or false.
 928
 929 if(! function_exists('local_user')) {
 930         function local_user() {
 931                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 932                         return intval($_SESSION['uid']);
 933                 return false;
 934         }
 935 }
 936
 937 // Returns contact id of authenticated site visitor or false
 938
 939 if(! function_exists('remote_user')) {
 940         function remote_user() {
 941                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 942                         return intval($_SESSION['visitor_id']);
 943                 return false;
 944         }
 945 }
 946
 947 // contents of $s are displayed prominently on the page the next time
 948 // a page is loaded. Usually used for errors or alerts.
 949
 950 if(! function_exists('notice')) {
 951         function notice($s) {
 952                 $a = get_app();
 953                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 954                 if($a->interactive)
 955                         $_SESSION['sysmsg'][] = $s;
 956         }
 957 }
 958 if(! function_exists('info')) {
 959         function info($s) {
 960                 $a = get_app();
 961                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 962                 if($a->interactive)
 963                         $_SESSION['sysmsg_info'][] = $s;
 964         }
 965 }
 966
 967
 968 // wrapper around config to limit the text length of an incoming message
 969
 970 if(! function_exists('get_max_import_size')) {
 971         function get_max_import_size() {
 972                 global $a;
 973                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 974         }
 975 }
 976
 977
 978
 979 /**
 980  *
 981  * Function : profile_load
 982  * @parameter App    $a
 983  * @parameter string $nickname
 984  * @parameter int    $profile
 985  *
 986  * Summary: Loads a profile into the page sidebar.
 987  * The function requires a writeable copy of the main App structure, and the nickname
 988  * of a registered local account.
 989  *
 990  * If the viewer is an authenticated remote viewer, the profile displayed is the
 991  * one that has been configured for his/her viewing in the Contact manager.
 992  * Passing a non-zero profile ID can also allow a preview of a selected profile
 993  * by the owner.
 994  *
 995  * Profile information is placed in the App structure for later retrieval.
 996  * Honours the owner's chosen theme for display.
 997  *
 998  */
 999
1000 if(! function_exists('profile_load')) {
1001         function profile_load(&$a, $nickname, $profile = 0) {
1002                 if(remote_user()) {
1003                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1004                                         intval($_SESSION['visitor_id']));
1005                         if(count($r))
1006                                 $profile = $r[0]['profile-id'];
1007                 }
1008
1009                 $r = null;
1010
1011                 if($profile) {
1012                         $profile_int = intval($profile);
1013                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1014                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1015                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1016                                         dbesc($nickname),
1017                                         intval($profile_int)
1018                         );
1019                 }
1020                 if((! $r) && (!  count($r))) {
1021                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1022                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1023                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1024                                         dbesc($nickname)
1025                         );
1026                 }
1027
1028                 if(($r === false) || (! count($r))) {
1029                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1030                         notice( t('Requested profile is not available.') . EOL );
1031                         $a->error = 404;
1032                         return;
1033                 }
1034
1035                 // fetch user tags if this isn't the default profile
1036
1037                 if(! $r[0]['is-default']) {
1038                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1039                                         intval($profile_uid)
1040                         );
1041                         if($x && count($x))
1042                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1043                 }
1044
1045                 $a->profile = $r[0];
1046
1047
1048                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1049                 $_SESSION['theme'] = $a->profile['theme'];
1050
1051                 /**
1052                  * load/reload current theme info
1053                  */
1054
1055                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1056                 if (file_exists($theme_info_file)){
1057                         require_once($theme_info_file);
1058                 }
1059
1060                 if(! (x($a->page,'aside')))
1061                         $a->page['aside'] = '';
1062
1063                 if(local_user() && local_user() == $a->profile['uid']) {
1064                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1065                                 '$editprofile' => t('Edit profile'),
1066                                 '$profid' => $a->profile['id']
1067                         ));
1068                 }
1069
1070                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1071
1072                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1073
1074                 /*if(! $block)
1075                  $a->page['aside'] .= contact_block();*/
1076
1077                 return;
1078         }
1079 }
1080
1081
1082 /**
1083  *
1084  * Function: profile_sidebar
1085  *
1086  * Formats a profile for display in the sidebar.
1087  * It is very difficult to templatise the HTML completely
1088  * because of all the conditional logic.
1089  *
1090  * @parameter: array $profile
1091  *
1092  * Returns HTML string stuitable for sidebar inclusion
1093  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1094  *
1095  */
1096
1097
1098 if(! function_exists('profile_sidebar')) {
1099         function profile_sidebar($profile, $block = 0) {
1100
1101                 $a = get_app();
1102
1103                 $o = '';
1104                 $location = false;
1105                 $address = false;
1106                 $pdesc = true;
1107
1108                 if((! is_array($profile)) && (! count($profile)))
1109                         return $o;
1110
1111                 $profile['picdate'] = urlencode($profile['picdate']);
1112
1113                 call_hooks('profile_sidebar_enter', $profile);
1114
1115
1116                 // don't show connect link to yourself
1117                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1118
1119                 // don't show connect link to authenticated visitors either
1120
1121                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1122                         $connect = False;
1123
1124                 if(get_my_url() && $profile['unkmail'])
1125                         $wallmessage = t('Message');
1126                 else
1127                         $wallmessage = false;
1128
1129
1130
1131                 // show edit profile to yourself
1132                 if ($profile['uid'] == local_user()) {
1133                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1134
1135                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1136                                         local_user());
1137
1138                         $profile['menu'] = array(
1139                                 'chg_photo' => t('Change profile photo'),
1140                                 'cr_new' => t('Create New Profile'),
1141                                 'entries' => array(),
1142                         );
1143
1144                         if(count($r)) {
1145
1146                                 foreach($r as $rr) {
1147                                         $profile['menu']['entries'][] = array(
1148                                                 'photo' => $rr['thumb'],
1149                                                 'id' => $rr['id'],
1150                                                 'alt' => t('Profile Image'),
1151                                                 'profile_name' => $rr['profile-name'],
1152                                                 'isdefault' => $rr['is-default'],
1153                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1154                                                 'edit_visibility' => t('Edit visibility'),
1155
1156                                         );
1157                                 }
1158
1159
1160                         }
1161
1162
1163                 }
1164
1165
1166
1167
1168                 if((x($profile,'address') == 1)
1169                                 || (x($profile,'locality') == 1)
1170                                 || (x($profile,'region') == 1)
1171                                 || (x($profile,'postal-code') == 1)
1172                                 || (x($profile,'country-name') == 1))
1173                         $location = t('Location:');
1174
1175                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1176
1177
1178                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1179
1180                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1181
1182                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1183                         $location = $pdesc = $gender = $marital = $homepage = False;
1184                 }
1185
1186                 $firstname = ((strpos($profile['name'],' '))
1187                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1188                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1189
1190                 $diaspora = array(
1191                         'podloc' => $a->get_baseurl(),
1192                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1193                         'nickname' => $profile['nickname'],
1194                         'fullname' => $profile['name'],
1195                         'firstname' => $firstname,
1196                         'lastname' => $lastname,
1197                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1198                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1199                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1200                 );
1201
1202                 if (!$block){
1203                         $contact_block = contact_block();
1204                 }
1205
1206
1207                 $tpl = get_markup_template('profile_vcard.tpl');
1208
1209                 $o .= replace_macros($tpl, array(
1210                         '$profile' => $profile,
1211                         '$connect'  => $connect,
1212                         '$wallmessage' => $wallmessage,
1213                         '$location' => template_escape($location),
1214                         '$gender'   => $gender,
1215                         '$pdesc'        => $pdesc,
1216                         '$marital'  => $marital,
1217                         '$homepage' => $homepage,
1218                         '$diaspora' => $diaspora,
1219                         '$contact_block' => $contact_block,
1220                 ));
1221
1222
1223                 $arr = array('profile' => &$profile, 'entry' => &$o);
1224
1225                 call_hooks('profile_sidebar', $arr);
1226
1227                 return $o;
1228         }
1229 }
1230
1231
1232 if(! function_exists('get_birthdays')) {
1233         function get_birthdays() {
1234
1235                 $a = get_app();
1236                 $o = '';
1237
1238                 if(! local_user())
1239                         return $o;
1240
1241                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1242                 $bd_short = t('F d');
1243
1244                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1245                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1246                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1247                                 ORDER BY `start` ASC ",
1248                                 intval(local_user()),
1249                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1250                                 dbesc(datetime_convert('UTC','UTC','now'))
1251                 );
1252
1253                 if($r && count($r)) {
1254                         $total = 0;
1255                         $now = strtotime('now');
1256                         $cids = array();
1257
1258                         $istoday = false;
1259                         foreach($r as $rr) {
1260                                 if(strlen($rr['name']))
1261                                         $total ++;
1262                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1263                                         $istoday = true;
1264                         }
1265                         $classtoday = $istoday ? ' birthday-today ' : '';
1266                         if($total) {
1267                                 foreach($r as &$rr) {
1268                                         if(! strlen($rr['name']))
1269                                                 continue;
1270
1271                                         // avoid duplicates
1272
1273                                         if(in_array($rr['cid'],$cids))
1274                                                 continue;
1275                                         $cids[] = $rr['cid'];
1276
1277                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1278                                         $sparkle = '';
1279                                         $url = $rr['url'];
1280                                         if($rr['network'] === NETWORK_DFRN) {
1281                                                 $sparkle = " sparkle";
1282                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1283                                         }
1284
1285                                         $rr['link'] = $url;
1286                                         $rr['title'] = $rr['name'];
1287                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1288                                         $rr['startime'] = Null;
1289                                         $rr['today'] = $today;
1290
1291                                 }
1292                         }
1293                 }
1294                 $tpl = get_markup_template("birthdays_reminder.tpl");
1295                 return replace_macros($tpl, array(
1296                         '$baseurl' => $a->get_baseurl(),
1297                         '$classtoday' => $classtoday,
1298                         '$count' => $total,
1299                         '$event_reminders' => t('Birthday Reminders'),
1300                         '$event_title' => t('Birthdays this week:'),
1301                         '$events' => $r,
1302                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1303                         '$rbr' => '}'
1304
1305                 ));
1306         }
1307 }
1308
1309
1310 if(! function_exists('get_events')) {
1311         function get_events() {
1312
1313                 require_once('include/bbcode.php');
1314
1315                 $a = get_app();
1316
1317                 if(! local_user())
1318                         return $o;
1319
1320                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1321                 $bd_short = t('F d');
1322
1323                 $r = q("SELECT `event`.* FROM `event`
1324                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1325                                 ORDER BY `start` ASC ",
1326                                 intval(local_user()),
1327                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1328                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1329                 );
1330
1331                 if($r && count($r)) {
1332                         $now = strtotime('now');
1333                         $istoday = false;
1334                         foreach($r as $rr) {
1335                                 if(strlen($rr['name']))
1336                                         $total ++;
1337
1338                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1339                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1340                                         $istoday = true;
1341                         }
1342                         $classtoday = (($istoday) ? 'event-today' : '');
1343
1344
1345                         foreach($r as &$rr) {
1346                                 if($rr['adjust'])
1347                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1348                                 else
1349                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1350                                 $md .= "/#link-".$rr['id'];
1351
1352                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1353                                 if(! $title)
1354                                         $title = t('[No description]');
1355
1356                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1357                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1358
1359                                 $rr['link'] = $md;
1360                                 $rr['title'] = $title;
1361                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1362                                 $rr['startime'] = $strt;
1363                                 $rr['today'] = $today;
1364                         }
1365                 }
1366
1367                 $tpl = get_markup_template("events_reminder.tpl");
1368                 return replace_macros($tpl, array(
1369                         '$baseurl' => $a->get_baseurl(),
1370                         '$classtoday' => $classtoday,
1371                         '$count' => count($r),
1372                         '$event_reminders' => t('Event Reminders'),
1373                         '$event_title' => t('Events this week:'),
1374                         '$events' => $r,
1375                 ));
1376         }
1377 }
1378
1379
1380 /**
1381  *
1382  * Wrap calls to proc_close(proc_open()) and call hook
1383  * so plugins can take part in process :)
1384  *
1385  * args:
1386  * $cmd program to run
1387  *  next args are passed as $cmd command line
1388  *
1389  * e.g.: proc_run("ls","-la","/tmp");
1390  *
1391  * $cmd and string args are surrounded with ""
1392  */
1393
1394 if(! function_exists('proc_run')) {
1395         function proc_run($cmd){
1396
1397                 $a = get_app();
1398
1399                 $args = func_get_args();
1400
1401                 $newargs = array();
1402                 if(! count($args))
1403                         return;
1404
1405                 // expand any arrays
1406
1407                 foreach($args as $arg) {
1408                         if(is_array($arg)) {
1409                                 foreach($arg as $n) {
1410                                         $newargs[] = $n;
1411                                 }
1412                         }
1413                         else
1414                                 $newargs[] = $arg;
1415                 }
1416
1417                 $args = $newargs;
1418
1419                 $arr = array('args' => $args, 'run_cmd' => true);
1420
1421                 call_hooks("proc_run", $arr);
1422                 if(! $arr['run_cmd'])
1423                         return;
1424
1425                 if(count($args) && $args[0] === 'php')
1426                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1427                 for($x = 0; $x < count($args); $x ++)
1428                         $args[$x] = escapeshellarg($args[$x]);
1429
1430                 $cmdline = implode($args," ");
1431                 proc_close(proc_open($cmdline." &",array(),$foo));
1432         }
1433 }
1434
1435 if(! function_exists('current_theme')) {
1436         function current_theme(){
1437                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1438
1439                 $a = get_app();
1440
1441                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1442                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1443
1444                 if($theme_name &&
1445                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1446                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1447                         return($theme_name);
1448
1449                 foreach($app_base_themes as $t) {
1450                         if(file_exists('view/theme/' . $t . '/style.css')||
1451                                         file_exists('view/theme/' . $t . '/style.php'))
1452                                 return($t);
1453                 }
1454
1455                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1456                 if(count($fallback))
1457                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1458
1459         }
1460 }
1461
1462 /*
1463  * Return full URL to theme which is currently in effect.
1464 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1465 */
1466 if(! function_exists('current_theme_url')) {
1467         function current_theme_url() {
1468                 global $a;
1469                 $t = current_theme();
1470                 if (file_exists('view/theme/' . $t . '/style.php'))
1471                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1472                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1473         }
1474 }
1475
1476 if(! function_exists('feed_birthday')) {
1477         function feed_birthday($uid,$tz) {
1478
1479                 /**
1480                  *
1481                  * Determine the next birthday, but only if the birthday is published
1482                  * in the default profile. We _could_ also look for a private profile that the
1483                  * recipient can see, but somebody could get mad at us if they start getting
1484                  * public birthday greetings when they haven't made this info public.
1485                  *
1486                  * Assuming we are able to publish this info, we are then going to convert
1487                  * the start time from the owner's timezone to UTC.
1488                  *
1489                  * This will potentially solve the problem found with some social networks
1490                  * where birthdays are converted to the viewer's timezone and salutations from
1491                  * elsewhere in the world show up on the wrong day. We will convert it to the
1492                  * viewer's timezone also, but first we are going to convert it from the birthday
1493                  * person's timezone to GMT - so the viewer may find the birthday starting at
1494                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1495                  *
1496                  */
1497
1498
1499                 $birthday = '';
1500
1501                 if(! strlen($tz))
1502                         $tz = 'UTC';
1503
1504                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1505                                 intval($uid)
1506                 );
1507
1508                 if($p && count($p)) {
1509                         $tmp_dob = substr($p[0]['dob'],5);
1510                         if(intval($tmp_dob)) {
1511                                 $y = datetime_convert($tz,$tz,'now','Y');
1512                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1513                                 $t_dob = strtotime($bd);
1514                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1515                                 if($t_dob < $now)
1516                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1517                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1518                         }
1519                 }
1520
1521                 return $birthday;
1522         }
1523 }
1524
1525 if(! function_exists('is_site_admin')) {
1526         function is_site_admin() {
1527                 $a = get_app();
1528                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1529                         return true;
1530                 return false;
1531         }
1532 }
1533
1534
1535 if(! function_exists('load_contact_links')) {
1536         function load_contact_links($uid) {
1537
1538                 $a = get_app();
1539
1540                 $ret = array();
1541
1542                 if(! $uid || x($a->contacts,'empty'))
1543                         return;
1544
1545                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1546                                 intval($uid)
1547                 );
1548                 if(count($r)) {
1549                         foreach($r as $rr){
1550                                 $url = normalise_link($rr['url']);
1551                                 $ret[$url] = $rr;
1552                         }
1553                 }
1554                 else
1555                         $ret['empty'] = true;
1556                 $a->contacts = $ret;
1557                 return;
1558         }
1559 }
1560
1561 if(! function_exists('profile_tabs')){
1562         function profile_tabs($a, $is_owner=False, $nickname=Null){
1563                 //echo "<pre>"; var_dump($a->user); killme();
1564
1565                 if (is_null($nickname))
1566                         $nickname  = $a->user['nickname'];
1567
1568                 if(x($_GET,'tab'))
1569                         $tab = notags(trim($_GET['tab']));
1570
1571                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1572
1573                 $tabs = array(
1574                         array(
1575                                 'label'=>t('Status'),
1576                                 'url' => $url,
1577                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1578                                 'title' => t('Status Messages and Posts'),
1579                         ),
1580                         array(
1581                                 'label' => t('Profile'),
1582                                 'url'   => $url.'/?tab=profile',
1583                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1584                                 'title' => t('Profile Details'),
1585                         ),
1586                         array(
1587                                 'label' => t('Photos'),
1588                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1589                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1590                                 'title' => t('Photo Albums'),
1591                         ),
1592                 );
1593
1594                 if ($is_owner){
1595                         $tabs[] = array(
1596                                 'label' => t('Events'),
1597                                 'url'   => $a->get_baseurl() . '/events',
1598                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1599                                 'title' => t('Events and Calendar'),
1600                         );
1601                         $tabs[] = array(
1602                                 'label' => t('Personal Notes'),
1603                                 'url'   => $a->get_baseurl() . '/notes',
1604                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1605                                 'title' => t('Only You Can See This'),
1606                         );
1607                 }
1608
1609
1610                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1611                 call_hooks('profile_tabs', $arr);
1612
1613                 $tpl = get_markup_template('common_tabs.tpl');
1614
1615                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1616         }
1617 }
1618
1619 function get_my_url() {
1620         if(x($_SESSION,'my_url'))
1621                 return $_SESSION['my_url'];
1622         return false;
1623 }
1624
1625 function zrl_init(&$a) {
1626         $tmp_str = get_my_url();
1627         if(validate_url($tmp_str)) {
1628                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1629                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1630                 call_hooks('zrl_init',$arr);
1631         }
1632 }
1633
1634 function zrl($s,$force = false) {
1635         if(! strlen($s))
1636                 return $s;
1637         if((! strpos($s,'/profile/')) && (! $force))
1638                 return $s;
1639         if($force && substr($s,-1,1) !== '/')
1640                 $s = $s . '/';
1641         $achar = strpos($s,'?') ? '&' : '?';
1642         $mine = get_my_url();
1643         if($mine and ! link_compare($mine,$s))
1644                 return $s . $achar . 'zrl=' . urlencode($mine);
1645         return $s;
1646 }
1647
1648 /**
1649 * returns querystring as string from a mapped array
1650 *
1651 * @param params Array
1652 * @return string
1653 */
1654 function build_querystring($params, $name=null) {
1655     $ret = "";
1656     foreach($params as $key=>$val) {
1657         if(is_array($val)) {
1658             if($name==null) {
1659                 $ret .= build_querystring($val, $key);
1660             } else {
1661                 $ret .= build_querystring($val, $name."[$key]");
1662             }
1663         } else {
1664             $val = urlencode($val);
1665             if($name!=null) {
1666                 $ret.=$name."[$key]"."=$val&";
1667             } else {
1668                 $ret.= "$key=$val&";
1669             }
1670         }
1671     }
1672     return $ret;
1673 }