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 require_once('library/Mobile_Detect/Mobile_Detect.php');
  12
  13 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  14 define ( 'FRIENDICA_VERSION',      '3.0.1423' );
  15 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  16 define ( 'DB_UPDATE_VERSION',      1154      );
  17
  18 define ( 'EOL',                    "<br />\r\n"     );
  19 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  20
  21
  22 /**
  23  *
  24  * Image storage quality. Lower numbers save space at cost of image detail.
  25  * For ease of upgrade, please do not change here. Change jpeg quality with
  26  * $a->config['system']['jpeg_quality'] = n;
  27  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  28  * below about 50
  29  *
  30  */
  31
  32 define ( 'JPEG_QUALITY',            100  );
  33 /**
  34  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  35  */
  36 define ( 'PNG_QUALITY',             8  );
  37
  38 /**
  39  *
  40  * An alternate way of limiting picture upload sizes. Specify the maximum pixel
  41  * length that pictures are allowed to be (for non-square pictures, it will apply
  42  * to the longest side). Pictures longer than this length will be resized to be
  43  * this length (on the longest side, the other side will be scaled appropriately).
  44  * Modify this value using
  45  *
  46  *    $a->config['system']['max_image_length'] = n;
  47  *
  48  * in .htconfig.php
  49  *
  50  * If you don't want to set a maximum length, set to -1. The default value is
  51  * defined by 'MAX_IMAGE_LENGTH' below.
  52  *
  53  */
  54 define ( 'MAX_IMAGE_LENGTH',        -1  );
  55
  56
  57 /**
  58  * Not yet used
  59  */
  60
  61 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  62
  63 /**
  64  * SSL redirection policies
  65  */
  66
  67 define ( 'SSL_POLICY_NONE',         0 );
  68 define ( 'SSL_POLICY_FULL',         1 );
  69 define ( 'SSL_POLICY_SELFSIGN',     2 );
  70
  71
  72 /**
  73  * log levels
  74  */
  75
  76 define ( 'LOGGER_NORMAL',          0 );
  77 define ( 'LOGGER_TRACE',           1 );
  78 define ( 'LOGGER_DEBUG',           2 );
  79 define ( 'LOGGER_DATA',            3 );
  80 define ( 'LOGGER_ALL',             4 );
  81
  82 /**
  83  * registration policies
  84  */
  85
  86 define ( 'REGISTER_CLOSED',        0 );
  87 define ( 'REGISTER_APPROVE',       1 );
  88 define ( 'REGISTER_OPEN',          2 );
  89
  90 /**
  91  * relationship types
  92  */
  93
  94 define ( 'CONTACT_IS_FOLLOWER', 1);
  95 define ( 'CONTACT_IS_SHARING',  2);
  96 define ( 'CONTACT_IS_FRIEND',   3);
  97
  98
  99 /**
 100  * DB update return values
 101  */
 102
 103 define ( 'UPDATE_SUCCESS', 0);
 104 define ( 'UPDATE_FAILED',  1);
 105
 106
 107 /**
 108  *
 109  * page/profile types
 110  *
 111  * PAGE_NORMAL is a typical personal profile account
 112  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
 113  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
 114  *      write access to wall and comments (no email and not included in page owner's ACL lists)
 115  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
 116  *
 117  */
 118
 119 define ( 'PAGE_NORMAL',            0 );
 120 define ( 'PAGE_SOAPBOX',           1 );
 121 define ( 'PAGE_COMMUNITY',         2 );
 122 define ( 'PAGE_FREELOVE',          3 );
 123 define ( 'PAGE_BLOG',              4 );
 124 define ( 'PAGE_PRVGROUP',          5 );
 125
 126 /**
 127  * Network and protocol family types
 128  */
 129
 130 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 131 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 132 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 133 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 134 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 135 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 136 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 137 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 138 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 139 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 140 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 141 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 142
 143 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 144
 145 /**
 146  * These numbers are used in stored permissions
 147  * and existing allocations MUST NEVER BE CHANGED
 148  * OR RE-ASSIGNED! You may only add to them.
 149  */
 150
 151 $netgroup_ids = array(
 152         NETWORK_DFRN     => (-1),
 153         NETWORK_ZOT      => (-2),
 154         NETWORK_OSTATUS  => (-3),
 155         NETWORK_FEED     => (-4),
 156         NETWORK_DIASPORA => (-5),
 157         NETWORK_MAIL     => (-6),
 158         NETWORK_MAIL2    => (-7),
 159         NETWORK_FACEBOOK => (-8),
 160         NETWORK_LINKEDIN => (-9),
 161         NETWORK_XMPP     => (-10),
 162         NETWORK_MYSPACE  => (-11),
 163         NETWORK_GPLUS    => (-12),
 164
 165         NETWORK_PHANTOM  => (-127),
 166 );
 167
 168
 169 /**
 170  * Maximum number of "people who like (or don't like) this"  that we will list by name
 171  */
 172
 173 define ( 'MAX_LIKERS',    75);
 174
 175 /**
 176  * Communication timeout
 177  */
 178
 179 define ( 'ZCURL_TIMEOUT' , (-1));
 180
 181
 182 /**
 183  * email notification options
 184  */
 185
 186 define ( 'NOTIFY_INTRO',    0x0001 );
 187 define ( 'NOTIFY_CONFIRM',  0x0002 );
 188 define ( 'NOTIFY_WALL',     0x0004 );
 189 define ( 'NOTIFY_COMMENT',  0x0008 );
 190 define ( 'NOTIFY_MAIL',     0x0010 );
 191 define ( 'NOTIFY_SUGGEST',  0x0020 );
 192 define ( 'NOTIFY_PROFILE',  0x0040 );
 193 define ( 'NOTIFY_TAGSELF',  0x0080 );
 194 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 195 define ( 'NOTIFY_POKE',     0x0200 );
 196
 197 define ( 'NOTIFY_SYSTEM',   0x8000 );
 198
 199
 200 /**
 201  * Tag/term types
 202  */
 203
 204 define ( 'TERM_UNKNOWN',   0 );
 205 define ( 'TERM_HASHTAG',   1 );
 206 define ( 'TERM_MENTION',   2 );
 207 define ( 'TERM_CATEGORY',  3 );
 208 define ( 'TERM_PCATEGORY', 4 );
 209 define ( 'TERM_FILE',      5 );
 210
 211 define ( 'TERM_OBJ_POST',  1 );
 212 define ( 'TERM_OBJ_PHOTO', 2 );
 213
 214
 215
 216 /**
 217  * various namespaces we may need to parse
 218  */
 219
 220 define ( 'NAMESPACE_ZOT',             'http://purl.org/zot' );
 221 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 222 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 223 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 224 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 225 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 226 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 227 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 228 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 229 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 230 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 231 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 232 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 233 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 234 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 235 /**
 236  * activity stream defines
 237  */
 238
 239 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 240 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 241 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 242
 243 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 244 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 245 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 246 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 247 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 248 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 249
 250 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 251 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 252 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 253 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 254
 255 define ( 'ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke' );
 256
 257 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 258 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 259 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 260 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 261 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 262 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 263 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 264 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 265 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 266 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 267
 268 /**
 269  * item weight for query ordering
 270  */
 271
 272 define ( 'GRAVITY_PARENT',       0);
 273 define ( 'GRAVITY_LIKE',         3);
 274 define ( 'GRAVITY_COMMENT',      6);
 275
 276 /**
 277  *
 278  * Reverse the effect of magic_quotes_gpc if it is enabled.
 279  * Please disable magic_quotes_gpc so we don't have to do this.
 280  * See http://php.net/manual/en/security.magicquotes.disabling.php
 281  *
 282  */
 283
 284 function startup() {
 285         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 286         set_time_limit(0);
 287
 288         // This has to be quite large to deal with embedded private photos
 289         ini_set('pcre.backtrack_limit', 500000);
 290
 291
 292         if (get_magic_quotes_gpc()) {
 293                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 294                 while (list($key, $val) = each($process)) {
 295                         foreach ($val as $k => $v) {
 296                                 unset($process[$key][$k]);
 297                                 if (is_array($v)) {
 298                                         $process[$key][stripslashes($k)] = $v;
 299                                         $process[] = &$process[$key][stripslashes($k)];
 300                                 } else {
 301                                         $process[$key][stripslashes($k)] = stripslashes($v);
 302                                 }
 303                         }
 304                 }
 305                 unset($process);
 306         }
 307
 308 }
 309
 310 /**
 311  *
 312  * class: App
 313  *
 314  * Our main application structure for the life of this page
 315  * Primarily deals with the URL that got us here
 316  * and tries to make some sense of it, and
 317  * stores our page contents and config storage
 318  * and anything else that might need to be passed around
 319  * before we spit the page out.
 320  *
 321  */
 322
 323 if(! class_exists('App')) {
 324         class App {
 325
 326                 public  $module_loaded = false;
 327                 public  $query_string;
 328                 public  $config;
 329                 public  $page;
 330                 public  $profile;
 331                 public  $user;
 332                 public  $cid;
 333                 public  $contact;
 334                 public  $contacts;
 335                 public  $page_contact;
 336                 public  $content;
 337                 public  $data = array();
 338                 public  $error = false;
 339                 public  $cmd;
 340                 public  $argv;
 341                 public  $argc;
 342                 public  $module;
 343                 public  $pager;
 344                 public  $strings;
 345                 public  $path;
 346                 public  $hooks;
 347                 public  $timezone;
 348                 public  $interactive = true;
 349                 public  $plugins;
 350                 public  $apps = array();
 351                 public  $identities;
 352
 353                 public $nav_sel;
 354
 355                 public $category;
 356
 357                 private $scheme;
 358                 private $hostname;
 359                 private $baseurl;
 360                 private $db;
 361
 362                 private $curl_code;
 363                 private $curl_headers;
 364
 365                 private $cached_profile_image;
 366                 private $cached_profile_picdate;
 367
 368                 function __construct() {
 369
 370                         global $default_timezone;
 371
 372                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 373
 374                         date_default_timezone_set($this->timezone);
 375
 376                         $this->config = array();
 377                         $this->page = array();
 378                         $this->pager= array();
 379
 380                         $this->query_string = '';
 381
 382                         startup();
 383
 384                         $this->scheme = 'http';
 385                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 386                                 $this->scheme = 'https';
 387                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 388                         $this->scheme = 'https';
 389
 390
 391                         if(x($_SERVER,'SERVER_NAME')) {
 392                                 $this->hostname = $_SERVER['SERVER_NAME'];
 393
 394                                 // See bug 437 - this didn't work so disabling it
 395                                 //if(stristr($this->hostname,'xn--')) {
 396                                         // PHP or webserver may have converted idn to punycode, so
 397                                         // convert punycode back to utf-8
 398                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 399                                 //      $x = new idna_convert();
 400                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 401                                 //}
 402
 403                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 404                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 405                                 /**
 406                                  * Figure out if we are running at the top of a domain
 407                                  * or in a sub-directory and adjust accordingly
 408                                  */
 409
 410                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 411                                 if(isset($path) && strlen($path) && ($path != $this->path))
 412                                         $this->path = $path;
 413                         }
 414
 415                         set_include_path(
 416                                         "include/$this->hostname" . PATH_SEPARATOR
 417                                         . 'include' . PATH_SEPARATOR
 418                                         . 'library' . PATH_SEPARATOR
 419                                         . 'library/phpsec' . PATH_SEPARATOR
 420                                         . 'library/langdet' . PATH_SEPARATOR
 421                                         . '.' );
 422
 423                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 424                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 425                                 // removing trailing / - maybe a nginx problem
 426                                 if (substr($this->query_string, 0, 1) == "/")
 427                                         $this->query_string = substr($this->query_string, 1);
 428                         }
 429                         if(x($_GET,'q'))
 430                                 $this->cmd = trim($_GET['q'],'/\\');
 431
 432                         // unix style "homedir"
 433
 434                         if(substr($this->cmd,0,1) === '~')
 435                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 436
 437                         // Diaspora style profile url
 438
 439                         if(substr($this->cmd,0,2) === 'u/')
 440                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 441
 442                         /**
 443                          *
 444                          * Break the URL path into C style argc/argv style arguments for our
 445                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 446                          * will be 3 (integer) and $this->argv will contain:
 447                          *   [0] => 'module'
 448                          *   [1] => 'arg1'
 449                          *   [2] => 'arg2'
 450                          *
 451                          *
 452                          * There will always be one argument. If provided a naked domain
 453                          * URL, $this->argv[0] is set to "home".
 454                          *
 455                          */
 456
 457                         $this->argv = explode('/',$this->cmd);
 458                         $this->argc = count($this->argv);
 459                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 460                                 $this->module = str_replace(".", "_", $this->argv[0]);
 461                         }
 462                         else {
 463                                 $this->argc = 1;
 464                                 $this->argv = array('home');
 465                                 $this->module = 'home';
 466                         }
 467
 468                         /**
 469                          * Special handling for the webfinger/lrdd host XRD file
 470                          */
 471
 472                         if($this->cmd === '.well-known/host-meta') {
 473                                 $this->argc = 1;
 474                                 $this->argv = array('hostxrd');
 475                                 $this->module = 'hostxrd';
 476                         }
 477
 478                         /**
 479                          * See if there is any page number information, and initialise
 480                          * pagination
 481                          */
 482
 483                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 484                         $this->pager['itemspage'] = 50;
 485                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 486                         if($this->pager['start'] < 0)
 487                                 $this->pager['start'] = 0;
 488                         $this->pager['total'] = 0;
 489                 }
 490
 491                 function get_baseurl($ssl = false) {
 492
 493                         $scheme = $this->scheme;
 494
 495                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 496                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 497                                         $scheme = 'https';
 498
 499                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 500                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 501
 502                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 503                                         if($ssl)
 504                                                 $scheme = 'https';
 505                                         else
 506                                                 $scheme = 'http';
 507                                 }
 508                         }
 509
 510                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 511                         return $this->baseurl;
 512                 }
 513
 514                 function set_baseurl($url) {
 515                         $parsed = @parse_url($url);
 516
 517                         $this->baseurl = $url;
 518
 519                         if($parsed) {
 520                                 $this->scheme = $parsed['scheme'];
 521
 522                                 $this->hostname = $parsed['host'];
 523                                 if(x($parsed,'port'))
 524                                         $this->hostname .= ':' . $parsed['port'];
 525                                 if(x($parsed,'path'))
 526                                         $this->path = trim($parsed['path'],'\\/');
 527                         }
 528
 529                 }
 530
 531                 function get_hostname() {
 532                         return $this->hostname;
 533                 }
 534
 535                 function set_hostname($h) {
 536                         $this->hostname = $h;
 537                 }
 538
 539                 function set_path($p) {
 540                         $this->path = trim(trim($p),'/');
 541                 }
 542
 543                 function get_path() {
 544                         return $this->path;
 545                 }
 546
 547                 function set_pager_total($n) {
 548                         $this->pager['total'] = intval($n);
 549                 }
 550
 551                 function set_pager_itemspage($n) {
 552                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 553                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 554
 555                 }
 556
 557                 function init_pagehead() {
 558                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 559                         if($interval < 10000)
 560                                 $interval = 40000;
 561
 562                         $this->page['title'] = $this->config['sitename'];
 563                         $tpl = get_markup_template('head.tpl');
 564                         $this->page['htmlhead'] = replace_macros($tpl,array(
 565                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 566                                 '$local_user' => local_user(),
 567                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 568                                 '$delitem' => t('Delete this item?'),
 569                                 '$comment' => t('Comment'),
 570                                 '$showmore' => t('show more'),
 571                                 '$showfewer' => t('show fewer'),
 572                                 '$update_interval' => $interval
 573                         ));
 574                 }
 575
 576                 function init_page_end() {
 577                         $tpl = get_markup_template('end.tpl');
 578                         $this->page['end'] = replace_macros($tpl,array(
 579                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
 580                         ));
 581                 }
 582
 583                 function set_curl_code($code) {
 584                         $this->curl_code = $code;
 585                 }
 586
 587                 function get_curl_code() {
 588                         return $this->curl_code;
 589                 }
 590
 591                 function set_curl_headers($headers) {
 592                         $this->curl_headers = $headers;
 593                 }
 594
 595                 function get_curl_headers() {
 596                         return $this->curl_headers;
 597                 }
 598
 599                 function get_cached_avatar_image($avatar_image){
 600                         if($this->cached_profile_image[$avatar_image])
 601                                 return $this->cached_profile_image[$avatar_image];
 602
 603                         $path_parts = explode("/",$avatar_image);
 604                         $common_filename = $path_parts[count($path_parts)-1];
 605
 606                         if($this->cached_profile_picdate[$common_filename]){
 607                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 608                         } else {
 609                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 610                                         $common_filename);
 611                                 if(! count($r)){
 612                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 613                                 } else {
 614                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 615                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 616                                 }
 617                         }
 618                         return $this->cached_profile_image[$avatar_image];
 619                 }
 620
 621
 622         }
 623 }
 624
 625 // retrieve the App structure
 626 // useful in functions which require it but don't get it passed to them
 627
 628 if(! function_exists('get_app')) {
 629         function get_app() {
 630                 global $a;
 631                 return $a;
 632         }
 633 };
 634
 635
 636 // Multi-purpose function to check variable state.
 637 // Usage: x($var) or $x($array,'key')
 638 // returns false if variable/key is not set
 639 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 640 // e.g. x('') or x(0) returns 0;
 641
 642 if(! function_exists('x')) {
 643         function x($s,$k = NULL) {
 644                 if($k != NULL) {
 645                         if((is_array($s)) && (array_key_exists($k,$s))) {
 646                                 if($s[$k])
 647                                         return (int) 1;
 648                                 return (int) 0;
 649                 }
 650                         return false;
 651                 }
 652                 else {
 653                         if(isset($s)) {
 654                                 if($s) {
 655                                         return (int) 1;
 656                                 }
 657                                 return (int) 0;
 658                         }
 659                         return false;
 660                 }
 661         }
 662 }
 663
 664 // called from db initialisation if db is dead.
 665
 666 if(! function_exists('system_unavailable')) {
 667         function system_unavailable() {
 668                 include('system_unavailable.php');
 669                 system_down();
 670                 killme();
 671         }
 672 }
 673
 674
 675
 676 function clean_urls() {
 677         global $a;
 678         //      if($a->config['system']['clean_urls'])
 679         return true;
 680         //      return false;
 681 }
 682
 683 function z_path() {
 684         global $a;
 685         $base = $a->get_baseurl();
 686         if(! clean_urls())
 687                 $base .= '/?q=';
 688         return $base;
 689 }
 690
 691 function z_root() {
 692         global $a;
 693         return $a->get_baseurl();
 694 }
 695
 696 function absurl($path) {
 697         if(strpos($path,'/') === 0)
 698                 return z_path() . $path;
 699         return $path;
 700 }
 701
 702 function is_ajax() {
 703         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 704 }
 705
 706
 707 // Primarily involved with database upgrade, but also sets the
 708 // base url for use in cmdline programs which don't have
 709 // $_SERVER variables, and synchronising the state of installed plugins.
 710
 711
 712 if(! function_exists('check_config')) {
 713         function check_config(&$a) {
 714
 715                 $build = get_config('system','build');
 716                 if(! x($build))
 717                         $build = set_config('system','build',DB_UPDATE_VERSION);
 718
 719                 $url = get_config('system','url');
 720
 721                 // if the url isn't set or the stored url is radically different
 722                 // than the currently visited url, store the current value accordingly.
 723                 // "Radically different" ignores common variations such as http vs https
 724                 // and www.example.com vs example.com.
 725
 726                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 727                         $url = set_config('system','url',$a->get_baseurl());
 728
 729                 if($build != DB_UPDATE_VERSION) {
 730                         $stored = intval($build);
 731                         $current = intval(DB_UPDATE_VERSION);
 732                         if(($stored < $current) && file_exists('update.php')) {
 733
 734                                 load_config('database');
 735
 736                                 // We're reporting a different version than what is currently installed.
 737                                 // Run any existing update scripts to bring the database up to current.
 738
 739                                 require_once('update.php');
 740
 741                                 // make sure that boot.php and update.php are the same release, we might be
 742                                 // updating right this very second and the correct version of the update.php
 743                                 // file may not be here yet. This can happen on a very busy site.
 744
 745                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 746
 747                                         for($x = $stored; $x < $current; $x ++) {
 748                                                 if(function_exists('update_' . $x)) {
 749
 750                                                         // There could be a lot of processes running or about to run.
 751                                                         // We want exactly one process to run the update command.
 752                                                         // So store the fact that we're taking responsibility
 753                                                         // after first checking to see if somebody else already has.
 754
 755                                                         // If the update fails or times-out completely you may need to
 756                                                         // delete the config entry to try again.
 757
 758                                                         $t = get_config('database','update_' . $x);
 759                                                         if($t !== false)
 760                                                                 break;
 761                                                         set_config('database','update_' . $x, time());
 762
 763                                                         // call the specific update
 764
 765                                                         $func = 'update_' . $x;
 766                                                         $retval = $func();
 767                                                         if($retval) {
 768                                                                 //send the administrator an e-mail
 769                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 770                                                                 $email_msg = replace_macros($email_tpl, array(
 771                                                                         '$sitename' => $a->config['sitename'],
 772                                                                         '$siteurl' =>  $a->get_baseurl(),
 773                                                                         '$update' => $x,
 774                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 775                                                                 ));
 776                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 777
 778                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 779                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 780                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 781                                                                         . 'Content-transfer-encoding: 8bit' );
 782                                                                 //try the logger
 783                                                                 logger('CRITICAL: Update Failed: '. $x);
 784                                                                 break;
 785                                                         }
 786                                                         else {
 787                                                                 set_config('database','update_' . $x, 'success');
 788                                                                 set_config('system','build', $x + 1);
 789                                                         }
 790                                                 }
 791                                         }
 792                                 }
 793                         }
 794                 }
 795
 796                 /**
 797                  *
 798                  * Synchronise plugins:
 799                  *
 800                  * $a->config['system']['addon'] contains a comma-separated list of names
 801                  * of plugins/addons which are used on this system.
 802                  * Go through the database list of already installed addons, and if we have
 803                  * an entry, but it isn't in the config list, call the uninstall procedure
 804                  * and mark it uninstalled in the database (for now we'll remove it).
 805                  * Then go through the config list and if we have a plugin that isn't installed,
 806                  * call the install procedure and add it to the database.
 807                  *
 808                  */
 809
 810                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 811                 if(count($r))
 812                         $installed = $r;
 813                 else
 814                         $installed = array();
 815
 816                 $plugins = get_config('system','addon');
 817                 $plugins_arr = array();
 818
 819                 if($plugins)
 820                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 821
 822                 $a->plugins = $plugins_arr;
 823
 824                 $installed_arr = array();
 825
 826                 if(count($installed)) {
 827                         foreach($installed as $i) {
 828                                 if(! in_array($i['name'],$plugins_arr)) {
 829                                         uninstall_plugin($i['name']);
 830                                 }
 831                                 else {
 832                                         $installed_arr[] = $i['name'];
 833                                 }
 834                         }
 835                 }
 836
 837                 if(count($plugins_arr)) {
 838                         foreach($plugins_arr as $p) {
 839                                 if(! in_array($p,$installed_arr)) {
 840                                         install_plugin($p);
 841                                 }
 842                         }
 843                 }
 844
 845
 846                 load_hooks();
 847
 848                 return;
 849         }
 850 }
 851
 852
 853 function get_guid($size=16) {
 854         $exists = true; // assume by default that we don't have a unique guid
 855         do {
 856                 $s = random_string($size);
 857                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 858                 if(! count($r))
 859                         $exists = false;
 860         } while($exists);
 861         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 862         return $s;
 863 }
 864
 865
 866 // wrapper for adding a login box. If $register == true provide a registration
 867 // link. This will most always depend on the value of $a->config['register_policy'].
 868 // returns the complete html for inserting into the page
 869
 870 if(! function_exists('login')) {
 871         function login($register = false, $hiddens=false) {
 872                 $a = get_app();
 873                 $o = "";
 874                 $reg = false;
 875                 if ($register) {
 876                         $reg = array(
 877                                 'title' => t('Create a New Account'),
 878                                 'desc' => t('Register')
 879                         );
 880                 }
 881
 882                 $noid = get_config('system','no_openid');
 883
 884                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 885
 886                 if(local_user()) {
 887                         $tpl = get_markup_template("logout.tpl");
 888                 }
 889                 else {
 890                         $tpl = get_markup_template("login.tpl");
 891                         $_SESSION['return_url'] = $a->query_string;
 892                 }
 893
 894
 895                 $o .= replace_macros($tpl,array(
 896
 897                         '$dest_url'     => $dest_url,
 898                         '$logout'       => t('Logout'),
 899                         '$login'        => t('Login'),
 900
 901                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 902                         '$lpassword'    => array('password', t('Password: '), '', ''),
 903
 904                         '$openid'               => !$noid,
 905                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 906
 907                         '$hiddens'      => $hiddens,
 908
 909                         '$register'     => $reg,
 910
 911                         '$lostpass'     => t('Forgot your password?'),
 912                         '$lostlink'     => t('Password Reset'),
 913                 ));
 914
 915                 call_hooks('login_hook',$o);
 916
 917                 return $o;
 918         }
 919 }
 920
 921 // Used to end the current process, after saving session state.
 922
 923 if(! function_exists('killme')) {
 924         function killme() {
 925                 session_write_close();
 926                 exit;
 927         }
 928 }
 929
 930 // redirect to another URL and terminate this process.
 931
 932 if(! function_exists('goaway')) {
 933         function goaway($s) {
 934                 header("Location: $s");
 935                 killme();
 936         }
 937 }
 938
 939
 940 // Returns the uid of locally logged in user or false.
 941
 942 if(! function_exists('local_user')) {
 943         function local_user() {
 944                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 945                         return intval($_SESSION['uid']);
 946                 return false;
 947         }
 948 }
 949
 950 // Returns contact id of authenticated site visitor or false
 951
 952 if(! function_exists('remote_user')) {
 953         function remote_user() {
 954                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 955                         return intval($_SESSION['visitor_id']);
 956                 return false;
 957         }
 958 }
 959
 960 // contents of $s are displayed prominently on the page the next time
 961 // a page is loaded. Usually used for errors or alerts.
 962
 963 if(! function_exists('notice')) {
 964         function notice($s) {
 965                 $a = get_app();
 966                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 967                 if($a->interactive)
 968                         $_SESSION['sysmsg'][] = $s;
 969         }
 970 }
 971 if(! function_exists('info')) {
 972         function info($s) {
 973                 $a = get_app();
 974                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 975                 if($a->interactive)
 976                         $_SESSION['sysmsg_info'][] = $s;
 977         }
 978 }
 979
 980
 981 // wrapper around config to limit the text length of an incoming message
 982
 983 if(! function_exists('get_max_import_size')) {
 984         function get_max_import_size() {
 985                 global $a;
 986                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 987         }
 988 }
 989
 990
 991
 992 /**
 993  *
 994  * Function : profile_load
 995  * @parameter App    $a
 996  * @parameter string $nickname
 997  * @parameter int    $profile
 998  *
 999  * Summary: Loads a profile into the page sidebar.
1000  * The function requires a writeable copy of the main App structure, and the nickname
1001  * of a registered local account.
1002  *
1003  * If the viewer is an authenticated remote viewer, the profile displayed is the
1004  * one that has been configured for his/her viewing in the Contact manager.
1005  * Passing a non-zero profile ID can also allow a preview of a selected profile
1006  * by the owner.
1007  *
1008  * Profile information is placed in the App structure for later retrieval.
1009  * Honours the owner's chosen theme for display.
1010  *
1011  */
1012
1013 if(! function_exists('profile_load')) {
1014         function profile_load(&$a, $nickname, $profile = 0) {
1015                 if(remote_user()) {
1016                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1017                                         intval($_SESSION['visitor_id']));
1018                         if(count($r))
1019                                 $profile = $r[0]['profile-id'];
1020                 }
1021
1022                 $r = null;
1023
1024                 if($profile) {
1025                         $profile_int = intval($profile);
1026                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1027                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1028                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1029                                         dbesc($nickname),
1030                                         intval($profile_int)
1031                         );
1032                 }
1033                 if((! $r) && (!  count($r))) {
1034                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1035                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1036                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1037                                         dbesc($nickname)
1038                         );
1039                 }
1040
1041                 if(($r === false) || (! count($r))) {
1042                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1043                         notice( t('Requested profile is not available.') . EOL );
1044                         $a->error = 404;
1045                         return;
1046                 }
1047
1048                 // fetch user tags if this isn't the default profile
1049
1050                 if(! $r[0]['is-default']) {
1051                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1052                                         intval($profile_uid)
1053                         );
1054                         if($x && count($x))
1055                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1056                 }
1057
1058                 $a->profile = $r[0];
1059
1060
1061                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1062                 $_SESSION['theme'] = $a->profile['theme'];
1063
1064                 /**
1065                  * load/reload current theme info
1066                  */
1067
1068                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1069                 if (file_exists($theme_info_file)){
1070                         require_once($theme_info_file);
1071                 }
1072
1073                 if(! (x($a->page,'aside')))
1074                         $a->page['aside'] = '';
1075
1076                 if(local_user() && local_user() == $a->profile['uid']) {
1077                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1078                                 '$editprofile' => t('Edit profile'),
1079                                 '$profid' => $a->profile['id']
1080                         ));
1081                 }
1082
1083                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1084
1085                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1086
1087                 /*if(! $block)
1088                  $a->page['aside'] .= contact_block();*/
1089
1090                 return;
1091         }
1092 }
1093
1094
1095 /**
1096  *
1097  * Function: profile_sidebar
1098  *
1099  * Formats a profile for display in the sidebar.
1100  * It is very difficult to templatise the HTML completely
1101  * because of all the conditional logic.
1102  *
1103  * @parameter: array $profile
1104  *
1105  * Returns HTML string stuitable for sidebar inclusion
1106  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1107  *
1108  */
1109
1110
1111 if(! function_exists('profile_sidebar')) {
1112         function profile_sidebar($profile, $block = 0) {
1113
1114                 $a = get_app();
1115
1116                 $o = '';
1117                 $location = false;
1118                 $address = false;
1119                 $pdesc = true;
1120
1121                 if((! is_array($profile)) && (! count($profile)))
1122                         return $o;
1123
1124                 $profile['picdate'] = urlencode($profile['picdate']);
1125
1126                 call_hooks('profile_sidebar_enter', $profile);
1127
1128
1129                 // don't show connect link to yourself
1130                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1131
1132                 // don't show connect link to authenticated visitors either
1133
1134                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1135                         $connect = False;
1136
1137                 if(get_my_url() && $profile['unkmail'])
1138                         $wallmessage = t('Message');
1139                 else
1140                         $wallmessage = false;
1141
1142
1143
1144                 // show edit profile to yourself
1145                 if ($profile['uid'] == local_user()) {
1146                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1147
1148                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1149                                         local_user());
1150
1151                         $profile['menu'] = array(
1152                                 'chg_photo' => t('Change profile photo'),
1153                                 'cr_new' => t('Create New Profile'),
1154                                 'entries' => array(),
1155                         );
1156
1157                         if(count($r)) {
1158
1159                                 foreach($r as $rr) {
1160                                         $profile['menu']['entries'][] = array(
1161                                                 'photo' => $rr['thumb'],
1162                                                 'id' => $rr['id'],
1163                                                 'alt' => t('Profile Image'),
1164                                                 'profile_name' => $rr['profile-name'],
1165                                                 'isdefault' => $rr['is-default'],
1166                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1167                                                 'edit_visibility' => t('Edit visibility'),
1168
1169                                         );
1170                                 }
1171
1172
1173                         }
1174
1175
1176                 }
1177
1178
1179
1180
1181                 if((x($profile,'address') == 1)
1182                                 || (x($profile,'locality') == 1)
1183                                 || (x($profile,'region') == 1)
1184                                 || (x($profile,'postal-code') == 1)
1185                                 || (x($profile,'country-name') == 1))
1186                         $location = t('Location:');
1187
1188                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1189
1190
1191                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1192
1193                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1194
1195                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1196                         $location = $pdesc = $gender = $marital = $homepage = False;
1197                 }
1198
1199                 $firstname = ((strpos($profile['name'],' '))
1200                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1201                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1202
1203                 $diaspora = array(
1204                         'podloc' => $a->get_baseurl(),
1205                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1206                         'nickname' => $profile['nickname'],
1207                         'fullname' => $profile['name'],
1208                         'firstname' => $firstname,
1209                         'lastname' => $lastname,
1210                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1211                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1212                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1213                 );
1214
1215                 if (!$block){
1216                         $contact_block = contact_block();
1217                 }
1218
1219
1220                 $tpl = get_markup_template('profile_vcard.tpl');
1221
1222                 $o .= replace_macros($tpl, array(
1223                         '$profile' => $profile,
1224                         '$connect'  => $connect,
1225                         '$wallmessage' => $wallmessage,
1226                         '$location' => template_escape($location),
1227                         '$gender'   => $gender,
1228                         '$pdesc'        => $pdesc,
1229                         '$marital'  => $marital,
1230                         '$homepage' => $homepage,
1231                         '$diaspora' => $diaspora,
1232                         '$contact_block' => $contact_block,
1233                 ));
1234
1235
1236                 $arr = array('profile' => &$profile, 'entry' => &$o);
1237
1238                 call_hooks('profile_sidebar', $arr);
1239
1240                 return $o;
1241         }
1242 }
1243
1244
1245 if(! function_exists('get_birthdays')) {
1246         function get_birthdays() {
1247
1248                 $a = get_app();
1249                 $o = '';
1250
1251                 if(! local_user())
1252                         return $o;
1253
1254                 $mobile_detect = new Mobile_Detect();
1255                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1256
1257                 if($is_mobile)
1258                         return $o;
1259
1260                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1261                 $bd_short = t('F d');
1262
1263                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1264                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1265                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1266                                 ORDER BY `start` ASC ",
1267                                 intval(local_user()),
1268                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1269                                 dbesc(datetime_convert('UTC','UTC','now'))
1270                 );
1271
1272                 if($r && count($r)) {
1273                         $total = 0;
1274                         $now = strtotime('now');
1275                         $cids = array();
1276
1277                         $istoday = false;
1278                         foreach($r as $rr) {
1279                                 if(strlen($rr['name']))
1280                                         $total ++;
1281                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1282                                         $istoday = true;
1283                         }
1284                         $classtoday = $istoday ? ' birthday-today ' : '';
1285                         if($total) {
1286                                 foreach($r as &$rr) {
1287                                         if(! strlen($rr['name']))
1288                                                 continue;
1289
1290                                         // avoid duplicates
1291
1292                                         if(in_array($rr['cid'],$cids))
1293                                                 continue;
1294                                         $cids[] = $rr['cid'];
1295
1296                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1297                                         $sparkle = '';
1298                                         $url = $rr['url'];
1299                                         if($rr['network'] === NETWORK_DFRN) {
1300                                                 $sparkle = " sparkle";
1301                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1302                                         }
1303
1304                                         $rr['link'] = $url;
1305                                         $rr['title'] = $rr['name'];
1306                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1307                                         $rr['startime'] = Null;
1308                                         $rr['today'] = $today;
1309
1310                                 }
1311                         }
1312                 }
1313                 $tpl = get_markup_template("birthdays_reminder.tpl");
1314                 return replace_macros($tpl, array(
1315                         '$baseurl' => $a->get_baseurl(),
1316                         '$classtoday' => $classtoday,
1317                         '$count' => $total,
1318                         '$event_reminders' => t('Birthday Reminders'),
1319                         '$event_title' => t('Birthdays this week:'),
1320                         '$events' => $r,
1321                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1322                         '$rbr' => '}'
1323
1324                 ));
1325         }
1326 }
1327
1328
1329 if(! function_exists('get_events')) {
1330         function get_events() {
1331
1332                 require_once('include/bbcode.php');
1333
1334                 $a = get_app();
1335
1336                 if(! local_user())
1337                         return $o;
1338
1339
1340                 $mobile_detect = new Mobile_Detect();
1341                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1342
1343                 if($is_mobile)
1344                         return $o;
1345
1346                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1347                 $bd_short = t('F d');
1348
1349                 $r = q("SELECT `event`.* FROM `event`
1350                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1351                                 ORDER BY `start` ASC ",
1352                                 intval(local_user()),
1353                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1354                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1355                 );
1356
1357                 if($r && count($r)) {
1358                         $now = strtotime('now');
1359                         $istoday = false;
1360                         foreach($r as $rr) {
1361                                 if(strlen($rr['name']))
1362                                         $total ++;
1363
1364                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1365                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1366                                         $istoday = true;
1367                         }
1368                         $classtoday = (($istoday) ? 'event-today' : '');
1369
1370
1371                         foreach($r as &$rr) {
1372                                 if($rr['adjust'])
1373                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1374                                 else
1375                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1376                                 $md .= "/#link-".$rr['id'];
1377
1378                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1379                                 if(! $title)
1380                                         $title = t('[No description]');
1381
1382                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1383                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1384
1385                                 $rr['link'] = $md;
1386                                 $rr['title'] = $title;
1387                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1388                                 $rr['startime'] = $strt;
1389                                 $rr['today'] = $today;
1390                         }
1391                 }
1392
1393                 $tpl = get_markup_template("events_reminder.tpl");
1394                 return replace_macros($tpl, array(
1395                         '$baseurl' => $a->get_baseurl(),
1396                         '$classtoday' => $classtoday,
1397                         '$count' => count($r),
1398                         '$event_reminders' => t('Event Reminders'),
1399                         '$event_title' => t('Events this week:'),
1400                         '$events' => $r,
1401                 ));
1402         }
1403 }
1404
1405
1406 /**
1407  *
1408  * Wrap calls to proc_close(proc_open()) and call hook
1409  * so plugins can take part in process :)
1410  *
1411  * args:
1412  * $cmd program to run
1413  *  next args are passed as $cmd command line
1414  *
1415  * e.g.: proc_run("ls","-la","/tmp");
1416  *
1417  * $cmd and string args are surrounded with ""
1418  */
1419
1420 if(! function_exists('proc_run')) {
1421         function proc_run($cmd){
1422
1423                 $a = get_app();
1424
1425                 $args = func_get_args();
1426
1427                 $newargs = array();
1428                 if(! count($args))
1429                         return;
1430
1431                 // expand any arrays
1432
1433                 foreach($args as $arg) {
1434                         if(is_array($arg)) {
1435                                 foreach($arg as $n) {
1436                                         $newargs[] = $n;
1437                                 }
1438                         }
1439                         else
1440                                 $newargs[] = $arg;
1441                 }
1442
1443                 $args = $newargs;
1444
1445                 $arr = array('args' => $args, 'run_cmd' => true);
1446
1447                 call_hooks("proc_run", $arr);
1448                 if(! $arr['run_cmd'])
1449                         return;
1450
1451                 if(count($args) && $args[0] === 'php')
1452                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1453                 for($x = 0; $x < count($args); $x ++)
1454                         $args[$x] = escapeshellarg($args[$x]);
1455
1456                 $cmdline = implode($args," ");
1457                 proc_close(proc_open($cmdline." &",array(),$foo));
1458         }
1459 }
1460
1461 if(! function_exists('current_theme')) {
1462         function current_theme(){
1463                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1464
1465                 $a = get_app();
1466
1467                 $mobile_detect = new Mobile_Detect();
1468                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1469
1470                 if($is_mobile) {
1471                         $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1472                         $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1473                 }
1474                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1475                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1476                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1477                 }
1478
1479                 if($theme_name &&
1480                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1481                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1482                         return($theme_name);
1483
1484                 foreach($app_base_themes as $t) {
1485                         if(file_exists('view/theme/' . $t . '/style.css')||
1486                                         file_exists('view/theme/' . $t . '/style.php'))
1487                                 return($t);
1488                 }
1489
1490                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1491                 if(count($fallback))
1492                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1493
1494         }
1495 }
1496
1497 /*
1498  * Return full URL to theme which is currently in effect.
1499 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1500 */
1501 if(! function_exists('current_theme_url')) {
1502         function current_theme_url() {
1503                 global $a;
1504                 $t = current_theme();
1505                 if (file_exists('view/theme/' . $t . '/style.php'))
1506                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1507                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1508         }
1509 }
1510
1511 if(! function_exists('feed_birthday')) {
1512         function feed_birthday($uid,$tz) {
1513
1514                 /**
1515                  *
1516                  * Determine the next birthday, but only if the birthday is published
1517                  * in the default profile. We _could_ also look for a private profile that the
1518                  * recipient can see, but somebody could get mad at us if they start getting
1519                  * public birthday greetings when they haven't made this info public.
1520                  *
1521                  * Assuming we are able to publish this info, we are then going to convert
1522                  * the start time from the owner's timezone to UTC.
1523                  *
1524                  * This will potentially solve the problem found with some social networks
1525                  * where birthdays are converted to the viewer's timezone and salutations from
1526                  * elsewhere in the world show up on the wrong day. We will convert it to the
1527                  * viewer's timezone also, but first we are going to convert it from the birthday
1528                  * person's timezone to GMT - so the viewer may find the birthday starting at
1529                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1530                  *
1531                  */
1532
1533
1534                 $birthday = '';
1535
1536                 if(! strlen($tz))
1537                         $tz = 'UTC';
1538
1539                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1540                                 intval($uid)
1541                 );
1542
1543                 if($p && count($p)) {
1544                         $tmp_dob = substr($p[0]['dob'],5);
1545                         if(intval($tmp_dob)) {
1546                                 $y = datetime_convert($tz,$tz,'now','Y');
1547                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1548                                 $t_dob = strtotime($bd);
1549                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1550                                 if($t_dob < $now)
1551                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1552                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1553                         }
1554                 }
1555
1556                 return $birthday;
1557         }
1558 }
1559
1560 if(! function_exists('is_site_admin')) {
1561         function is_site_admin() {
1562                 $a = get_app();
1563                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1564                         return true;
1565                 return false;
1566         }
1567 }
1568
1569
1570 if(! function_exists('load_contact_links')) {
1571         function load_contact_links($uid) {
1572
1573                 $a = get_app();
1574
1575                 $ret = array();
1576
1577                 if(! $uid || x($a->contacts,'empty'))
1578                         return;
1579
1580                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1581                                 intval($uid)
1582                 );
1583                 if(count($r)) {
1584                         foreach($r as $rr){
1585                                 $url = normalise_link($rr['url']);
1586                                 $ret[$url] = $rr;
1587                         }
1588                 }
1589                 else
1590                         $ret['empty'] = true;
1591                 $a->contacts = $ret;
1592                 return;
1593         }
1594 }
1595
1596 if(! function_exists('profile_tabs')){
1597         function profile_tabs($a, $is_owner=False, $nickname=Null){
1598                 //echo "<pre>"; var_dump($a->user); killme();
1599
1600                 if (is_null($nickname))
1601                         $nickname  = $a->user['nickname'];
1602
1603                 if(x($_GET,'tab'))
1604                         $tab = notags(trim($_GET['tab']));
1605
1606                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1607
1608                 $tabs = array(
1609                         array(
1610                                 'label'=>t('Status'),
1611                                 'url' => $url,
1612                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1613                                 'title' => t('Status Messages and Posts'),
1614                                 'id' => 'status-tab',
1615                         ),
1616                         array(
1617                                 'label' => t('Profile'),
1618                                 'url'   => $url.'/?tab=profile',
1619                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1620                                 'title' => t('Profile Details'),
1621                                 'id' => 'profile-tab',
1622                         ),
1623                         array(
1624                                 'label' => t('Photos'),
1625                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1626                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1627                                 'title' => t('Photo Albums'),
1628                                 'id' => 'photo-tab',
1629                         ),
1630                 );
1631
1632                 if ($is_owner){
1633                         $tabs[] = array(
1634                                 'label' => t('Events'),
1635                                 'url'   => $a->get_baseurl() . '/events',
1636                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1637                                 'title' => t('Events and Calendar'),
1638                                 'id' => 'events-tab',
1639                         );
1640                         $tabs[] = array(
1641                                 'label' => t('Personal Notes'),
1642                                 'url'   => $a->get_baseurl() . '/notes',
1643                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1644                                 'title' => t('Only You Can See This'),
1645                                 'id' => 'notes-tab',
1646                         );
1647                 }
1648
1649
1650                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1651                 call_hooks('profile_tabs', $arr);
1652
1653                 $tpl = get_markup_template('common_tabs.tpl');
1654
1655                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1656         }
1657 }
1658
1659 function get_my_url() {
1660         if(x($_SESSION,'my_url'))
1661                 return $_SESSION['my_url'];
1662         return false;
1663 }
1664
1665 function zrl_init(&$a) {
1666         $tmp_str = get_my_url();
1667         if(validate_url($tmp_str)) {
1668                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1669                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1670                 call_hooks('zrl_init',$arr);
1671         }
1672 }
1673
1674 function zrl($s,$force = false) {
1675         if(! strlen($s))
1676                 return $s;
1677         if((! strpos($s,'/profile/')) && (! $force))
1678                 return $s;
1679         if($force && substr($s,-1,1) !== '/')
1680                 $s = $s . '/';
1681         $achar = strpos($s,'?') ? '&' : '?';
1682         $mine = get_my_url();
1683         if($mine and ! link_compare($mine,$s))
1684                 return $s . $achar . 'zrl=' . urlencode($mine);
1685         return $s;
1686 }
1687
1688 /**
1689 * returns querystring as string from a mapped array
1690 *
1691 * @param params Array
1692 * @return string
1693 */
1694 function build_querystring($params, $name=null) {
1695     $ret = "";
1696     foreach($params as $key=>$val) {
1697         if(is_array($val)) {
1698             if($name==null) {
1699                 $ret .= build_querystring($val, $key);
1700             } else {
1701                 $ret .= build_querystring($val, $name."[$key]");
1702             }
1703         } else {
1704             $val = urlencode($val);
1705             if($name!=null) {
1706                 $ret.=$name."[$key]"."=$val&";
1707             } else {
1708                 $ret.= "$key=$val&";
1709             }
1710         }
1711     }
1712     return $ret;
1713 }