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',      '3.0.1429' );
  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                 // Allow themes to control internal parameters
 358                 // by changing App values in theme.php
 359                 //
 360                 // Possibly should make these part of the plugin
 361                 // system, but it seems like overkill to invoke
 362                 // all the plugin machinery just to change a couple
 363                 // of values
 364                 public  $sourcename = '';
 365                 public  $videowidth = 425;
 366                 public  $videoheight = 350;
 367
 368                 private $scheme;
 369                 private $hostname;
 370                 private $baseurl;
 371                 private $db;
 372
 373                 private $curl_code;
 374                 private $curl_headers;
 375
 376                 private $cached_profile_image;
 377                 private $cached_profile_picdate;
 378
 379                 function __construct() {
 380
 381                         global $default_timezone;
 382
 383                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 384
 385                         date_default_timezone_set($this->timezone);
 386
 387                         $this->config = array();
 388                         $this->page = array();
 389                         $this->pager= array();
 390
 391                         $this->query_string = '';
 392
 393                         startup();
 394
 395                         $this->scheme = 'http';
 396                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 397                                 $this->scheme = 'https';
 398                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 399                         $this->scheme = 'https';
 400
 401
 402                         if(x($_SERVER,'SERVER_NAME')) {
 403                                 $this->hostname = $_SERVER['SERVER_NAME'];
 404
 405                                 // See bug 437 - this didn't work so disabling it
 406                                 //if(stristr($this->hostname,'xn--')) {
 407                                         // PHP or webserver may have converted idn to punycode, so
 408                                         // convert punycode back to utf-8
 409                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 410                                 //      $x = new idna_convert();
 411                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 412                                 //}
 413
 414                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 415                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 416                                 /**
 417                                  * Figure out if we are running at the top of a domain
 418                                  * or in a sub-directory and adjust accordingly
 419                                  */
 420
 421                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 422                                 if(isset($path) && strlen($path) && ($path != $this->path))
 423                                         $this->path = $path;
 424                         }
 425
 426                         set_include_path(
 427                                         "include/$this->hostname" . PATH_SEPARATOR
 428                                         . 'include' . PATH_SEPARATOR
 429                                         . 'library' . PATH_SEPARATOR
 430                                         . 'library/phpsec' . PATH_SEPARATOR
 431                                         . 'library/langdet' . PATH_SEPARATOR
 432                                         . '.' );
 433
 434                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 435                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 436                                 // removing trailing / - maybe a nginx problem
 437                                 if (substr($this->query_string, 0, 1) == "/")
 438                                         $this->query_string = substr($this->query_string, 1);
 439                         }
 440                         if(x($_GET,'q'))
 441                                 $this->cmd = trim($_GET['q'],'/\\');
 442
 443                         // unix style "homedir"
 444
 445                         if(substr($this->cmd,0,1) === '~')
 446                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 447
 448                         // Diaspora style profile url
 449
 450                         if(substr($this->cmd,0,2) === 'u/')
 451                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 452
 453                         /**
 454                          *
 455                          * Break the URL path into C style argc/argv style arguments for our
 456                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 457                          * will be 3 (integer) and $this->argv will contain:
 458                          *   [0] => 'module'
 459                          *   [1] => 'arg1'
 460                          *   [2] => 'arg2'
 461                          *
 462                          *
 463                          * There will always be one argument. If provided a naked domain
 464                          * URL, $this->argv[0] is set to "home".
 465                          *
 466                          */
 467
 468                         $this->argv = explode('/',$this->cmd);
 469                         $this->argc = count($this->argv);
 470                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 471                                 $this->module = str_replace(".", "_", $this->argv[0]);
 472                         }
 473                         else {
 474                                 $this->argc = 1;
 475                                 $this->argv = array('home');
 476                                 $this->module = 'home';
 477                         }
 478
 479                         /**
 480                          * Special handling for the webfinger/lrdd host XRD file
 481                          */
 482
 483                         if($this->cmd === '.well-known/host-meta') {
 484                                 $this->argc = 1;
 485                                 $this->argv = array('hostxrd');
 486                                 $this->module = 'hostxrd';
 487                         }
 488
 489                         /**
 490                          * See if there is any page number information, and initialise
 491                          * pagination
 492                          */
 493
 494                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 495                         $this->pager['itemspage'] = 50;
 496                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 497                         if($this->pager['start'] < 0)
 498                                 $this->pager['start'] = 0;
 499                         $this->pager['total'] = 0;
 500                 }
 501
 502                 function get_baseurl($ssl = false) {
 503
 504                         $scheme = $this->scheme;
 505
 506                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 507                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 508                                         $scheme = 'https';
 509
 510                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 511                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 512
 513                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 514                                         if($ssl)
 515                                                 $scheme = 'https';
 516                                         else
 517                                                 $scheme = 'http';
 518                                 }
 519                         }
 520
 521                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 522                         return $this->baseurl;
 523                 }
 524
 525                 function set_baseurl($url) {
 526                         $parsed = @parse_url($url);
 527
 528                         $this->baseurl = $url;
 529
 530                         if($parsed) {
 531                                 $this->scheme = $parsed['scheme'];
 532
 533                                 $this->hostname = $parsed['host'];
 534                                 if(x($parsed,'port'))
 535                                         $this->hostname .= ':' . $parsed['port'];
 536                                 if(x($parsed,'path'))
 537                                         $this->path = trim($parsed['path'],'\\/');
 538                         }
 539
 540                 }
 541
 542                 function get_hostname() {
 543                         return $this->hostname;
 544                 }
 545
 546                 function set_hostname($h) {
 547                         $this->hostname = $h;
 548                 }
 549
 550                 function set_path($p) {
 551                         $this->path = trim(trim($p),'/');
 552                 }
 553
 554                 function get_path() {
 555                         return $this->path;
 556                 }
 557
 558                 function set_pager_total($n) {
 559                         $this->pager['total'] = intval($n);
 560                 }
 561
 562                 function set_pager_itemspage($n) {
 563                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 564                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 565
 566                 }
 567
 568                 function init_pagehead() {
 569                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 570                         if($interval < 10000)
 571                                 $interval = 40000;
 572
 573                         $this->page['title'] = $this->config['sitename'];
 574                         $tpl = get_markup_template('head.tpl');
 575                         $this->page['htmlhead'] = replace_macros($tpl,array(
 576                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 577                                 '$local_user' => local_user(),
 578                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 579                                 '$delitem' => t('Delete this item?'),
 580                                 '$comment' => t('Comment'),
 581                                 '$showmore' => t('show more'),
 582                                 '$showfewer' => t('show fewer'),
 583                                 '$update_interval' => $interval
 584                         ));
 585                 }
 586
 587                 function init_page_end() {
 588                         $tpl = get_markup_template('end.tpl');
 589                         $this->page['end'] = replace_macros($tpl,array(
 590                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
 591                         ));
 592                 }
 593
 594                 function set_curl_code($code) {
 595                         $this->curl_code = $code;
 596                 }
 597
 598                 function get_curl_code() {
 599                         return $this->curl_code;
 600                 }
 601
 602                 function set_curl_headers($headers) {
 603                         $this->curl_headers = $headers;
 604                 }
 605
 606                 function get_curl_headers() {
 607                         return $this->curl_headers;
 608                 }
 609
 610                 function get_cached_avatar_image($avatar_image){
 611                         if($this->cached_profile_image[$avatar_image])
 612                                 return $this->cached_profile_image[$avatar_image];
 613
 614                         $path_parts = explode("/",$avatar_image);
 615                         $common_filename = $path_parts[count($path_parts)-1];
 616
 617                         if($this->cached_profile_picdate[$common_filename]){
 618                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 619                         } else {
 620                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 621                                         $common_filename);
 622                                 if(! count($r)){
 623                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 624                                 } else {
 625                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 626                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 627                                 }
 628                         }
 629                         return $this->cached_profile_image[$avatar_image];
 630                 }
 631
 632
 633         }
 634 }
 635
 636 // retrieve the App structure
 637 // useful in functions which require it but don't get it passed to them
 638
 639 if(! function_exists('get_app')) {
 640         function get_app() {
 641                 global $a;
 642                 return $a;
 643         }
 644 };
 645
 646
 647 // Multi-purpose function to check variable state.
 648 // Usage: x($var) or $x($array,'key')
 649 // returns false if variable/key is not set
 650 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 651 // e.g. x('') or x(0) returns 0;
 652
 653 if(! function_exists('x')) {
 654         function x($s,$k = NULL) {
 655                 if($k != NULL) {
 656                         if((is_array($s)) && (array_key_exists($k,$s))) {
 657                                 if($s[$k])
 658                                         return (int) 1;
 659                                 return (int) 0;
 660                 }
 661                         return false;
 662                 }
 663                 else {
 664                         if(isset($s)) {
 665                                 if($s) {
 666                                         return (int) 1;
 667                                 }
 668                                 return (int) 0;
 669                         }
 670                         return false;
 671                 }
 672         }
 673 }
 674
 675 // called from db initialisation if db is dead.
 676
 677 if(! function_exists('system_unavailable')) {
 678         function system_unavailable() {
 679                 include('system_unavailable.php');
 680                 system_down();
 681                 killme();
 682         }
 683 }
 684
 685
 686
 687 function clean_urls() {
 688         global $a;
 689         //      if($a->config['system']['clean_urls'])
 690         return true;
 691         //      return false;
 692 }
 693
 694 function z_path() {
 695         global $a;
 696         $base = $a->get_baseurl();
 697         if(! clean_urls())
 698                 $base .= '/?q=';
 699         return $base;
 700 }
 701
 702 function z_root() {
 703         global $a;
 704         return $a->get_baseurl();
 705 }
 706
 707 function absurl($path) {
 708         if(strpos($path,'/') === 0)
 709                 return z_path() . $path;
 710         return $path;
 711 }
 712
 713 function is_ajax() {
 714         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 715 }
 716
 717
 718 // Primarily involved with database upgrade, but also sets the
 719 // base url for use in cmdline programs which don't have
 720 // $_SERVER variables, and synchronising the state of installed plugins.
 721
 722
 723 if(! function_exists('check_config')) {
 724         function check_config(&$a) {
 725
 726                 $build = get_config('system','build');
 727                 if(! x($build))
 728                         $build = set_config('system','build',DB_UPDATE_VERSION);
 729
 730                 $url = get_config('system','url');
 731
 732                 // if the url isn't set or the stored url is radically different
 733                 // than the currently visited url, store the current value accordingly.
 734                 // "Radically different" ignores common variations such as http vs https
 735                 // and www.example.com vs example.com.
 736
 737                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 738                         $url = set_config('system','url',$a->get_baseurl());
 739
 740                 if($build != DB_UPDATE_VERSION) {
 741                         $stored = intval($build);
 742                         $current = intval(DB_UPDATE_VERSION);
 743                         if(($stored < $current) && file_exists('update.php')) {
 744
 745                                 load_config('database');
 746
 747                                 // We're reporting a different version than what is currently installed.
 748                                 // Run any existing update scripts to bring the database up to current.
 749
 750                                 require_once('update.php');
 751
 752                                 // make sure that boot.php and update.php are the same release, we might be
 753                                 // updating right this very second and the correct version of the update.php
 754                                 // file may not be here yet. This can happen on a very busy site.
 755
 756                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 757
 758                                         for($x = $stored; $x < $current; $x ++) {
 759                                                 if(function_exists('update_' . $x)) {
 760
 761                                                         // There could be a lot of processes running or about to run.
 762                                                         // We want exactly one process to run the update command.
 763                                                         // So store the fact that we're taking responsibility
 764                                                         // after first checking to see if somebody else already has.
 765
 766                                                         // If the update fails or times-out completely you may need to
 767                                                         // delete the config entry to try again.
 768
 769                                                         $t = get_config('database','update_' . $x);
 770                                                         if($t !== false)
 771                                                                 break;
 772                                                         set_config('database','update_' . $x, time());
 773
 774                                                         // call the specific update
 775
 776                                                         $func = 'update_' . $x;
 777                                                         $retval = $func();
 778                                                         if($retval) {
 779                                                                 //send the administrator an e-mail
 780                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 781                                                                 $email_msg = replace_macros($email_tpl, array(
 782                                                                         '$sitename' => $a->config['sitename'],
 783                                                                         '$siteurl' =>  $a->get_baseurl(),
 784                                                                         '$update' => $x,
 785                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 786                                                                 ));
 787                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 788
 789                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 790                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 791                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 792                                                                         . 'Content-transfer-encoding: 8bit' );
 793                                                                 //try the logger
 794                                                                 logger('CRITICAL: Update Failed: '. $x);
 795                                                                 break;
 796                                                         }
 797                                                         else {
 798                                                                 set_config('database','update_' . $x, 'success');
 799                                                                 set_config('system','build', $x + 1);
 800                                                         }
 801                                                 }
 802                                         }
 803                                 }
 804                         }
 805                 }
 806
 807                 /**
 808                  *
 809                  * Synchronise plugins:
 810                  *
 811                  * $a->config['system']['addon'] contains a comma-separated list of names
 812                  * of plugins/addons which are used on this system.
 813                  * Go through the database list of already installed addons, and if we have
 814                  * an entry, but it isn't in the config list, call the uninstall procedure
 815                  * and mark it uninstalled in the database (for now we'll remove it).
 816                  * Then go through the config list and if we have a plugin that isn't installed,
 817                  * call the install procedure and add it to the database.
 818                  *
 819                  */
 820
 821                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 822                 if(count($r))
 823                         $installed = $r;
 824                 else
 825                         $installed = array();
 826
 827                 $plugins = get_config('system','addon');
 828                 $plugins_arr = array();
 829
 830                 if($plugins)
 831                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 832
 833                 $a->plugins = $plugins_arr;
 834
 835                 $installed_arr = array();
 836
 837                 if(count($installed)) {
 838                         foreach($installed as $i) {
 839                                 if(! in_array($i['name'],$plugins_arr)) {
 840                                         uninstall_plugin($i['name']);
 841                                 }
 842                                 else {
 843                                         $installed_arr[] = $i['name'];
 844                                 }
 845                         }
 846                 }
 847
 848                 if(count($plugins_arr)) {
 849                         foreach($plugins_arr as $p) {
 850                                 if(! in_array($p,$installed_arr)) {
 851                                         install_plugin($p);
 852                                 }
 853                         }
 854                 }
 855
 856
 857                 load_hooks();
 858
 859                 return;
 860         }
 861 }
 862
 863
 864 function get_guid($size=16) {
 865         $exists = true; // assume by default that we don't have a unique guid
 866         do {
 867                 $s = random_string($size);
 868                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 869                 if(! count($r))
 870                         $exists = false;
 871         } while($exists);
 872         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 873         return $s;
 874 }
 875
 876
 877 // wrapper for adding a login box. If $register == true provide a registration
 878 // link. This will most always depend on the value of $a->config['register_policy'].
 879 // returns the complete html for inserting into the page
 880
 881 if(! function_exists('login')) {
 882         function login($register = false, $hiddens=false) {
 883                 $a = get_app();
 884                 $o = "";
 885                 $reg = false;
 886                 if ($register) {
 887                         $reg = array(
 888                                 'title' => t('Create a New Account'),
 889                                 'desc' => t('Register')
 890                         );
 891                 }
 892
 893                 $noid = get_config('system','no_openid');
 894
 895                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 896
 897                 if(local_user()) {
 898                         $tpl = get_markup_template("logout.tpl");
 899                 }
 900                 else {
 901                         $tpl = get_markup_template("login.tpl");
 902                         $_SESSION['return_url'] = $a->query_string;
 903                 }
 904
 905
 906                 $o .= replace_macros($tpl,array(
 907
 908                         '$dest_url'     => $dest_url,
 909                         '$logout'       => t('Logout'),
 910                         '$login'        => t('Login'),
 911
 912                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 913                         '$lpassword'    => array('password', t('Password: '), '', ''),
 914
 915                         '$openid'               => !$noid,
 916                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 917
 918                         '$hiddens'      => $hiddens,
 919
 920                         '$register'     => $reg,
 921
 922                         '$lostpass'     => t('Forgot your password?'),
 923                         '$lostlink'     => t('Password Reset'),
 924                 ));
 925
 926                 call_hooks('login_hook',$o);
 927
 928                 return $o;
 929         }
 930 }
 931
 932 // Used to end the current process, after saving session state.
 933
 934 if(! function_exists('killme')) {
 935         function killme() {
 936                 session_write_close();
 937                 exit;
 938         }
 939 }
 940
 941 // redirect to another URL and terminate this process.
 942
 943 if(! function_exists('goaway')) {
 944         function goaway($s) {
 945                 header("Location: $s");
 946                 killme();
 947         }
 948 }
 949
 950
 951 // Returns the uid of locally logged in user or false.
 952
 953 if(! function_exists('local_user')) {
 954         function local_user() {
 955                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 956                         return intval($_SESSION['uid']);
 957                 return false;
 958         }
 959 }
 960
 961 // Returns contact id of authenticated site visitor or false
 962
 963 if(! function_exists('remote_user')) {
 964         function remote_user() {
 965                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 966                         return intval($_SESSION['visitor_id']);
 967                 return false;
 968         }
 969 }
 970
 971 // contents of $s are displayed prominently on the page the next time
 972 // a page is loaded. Usually used for errors or alerts.
 973
 974 if(! function_exists('notice')) {
 975         function notice($s) {
 976                 $a = get_app();
 977                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 978                 if($a->interactive)
 979                         $_SESSION['sysmsg'][] = $s;
 980         }
 981 }
 982 if(! function_exists('info')) {
 983         function info($s) {
 984                 $a = get_app();
 985                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 986                 if($a->interactive)
 987                         $_SESSION['sysmsg_info'][] = $s;
 988         }
 989 }
 990
 991
 992 // wrapper around config to limit the text length of an incoming message
 993
 994 if(! function_exists('get_max_import_size')) {
 995         function get_max_import_size() {
 996                 global $a;
 997                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 998         }
 999 }
1000
1001
1002
1003 /**
1004  *
1005  * Function : profile_load
1006  * @parameter App    $a
1007  * @parameter string $nickname
1008  * @parameter int    $profile
1009  *
1010  * Summary: Loads a profile into the page sidebar.
1011  * The function requires a writeable copy of the main App structure, and the nickname
1012  * of a registered local account.
1013  *
1014  * If the viewer is an authenticated remote viewer, the profile displayed is the
1015  * one that has been configured for his/her viewing in the Contact manager.
1016  * Passing a non-zero profile ID can also allow a preview of a selected profile
1017  * by the owner.
1018  *
1019  * Profile information is placed in the App structure for later retrieval.
1020  * Honours the owner's chosen theme for display.
1021  *
1022  */
1023
1024 if(! function_exists('profile_load')) {
1025         function profile_load(&$a, $nickname, $profile = 0) {
1026                 if(remote_user()) {
1027                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1028                                         intval($_SESSION['visitor_id']));
1029                         if(count($r))
1030                                 $profile = $r[0]['profile-id'];
1031                 }
1032
1033                 $r = null;
1034
1035                 if($profile) {
1036                         $profile_int = intval($profile);
1037                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1038                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1039                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1040                                         dbesc($nickname),
1041                                         intval($profile_int)
1042                         );
1043                 }
1044                 if((! $r) && (!  count($r))) {
1045                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1046                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1047                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1048                                         dbesc($nickname)
1049                         );
1050                 }
1051
1052                 if(($r === false) || (! count($r))) {
1053                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1054                         notice( t('Requested profile is not available.') . EOL );
1055                         $a->error = 404;
1056                         return;
1057                 }
1058
1059                 // fetch user tags if this isn't the default profile
1060
1061                 if(! $r[0]['is-default']) {
1062                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1063                                         intval($profile_uid)
1064                         );
1065                         if($x && count($x))
1066                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1067                 }
1068
1069                 $a->profile = $r[0];
1070
1071
1072                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1073                 $_SESSION['theme'] = $a->profile['theme'];
1074
1075                 /**
1076                  * load/reload current theme info
1077                  */
1078
1079                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1080                 if (file_exists($theme_info_file)){
1081                         require_once($theme_info_file);
1082                 }
1083
1084                 if(! (x($a->page,'aside')))
1085                         $a->page['aside'] = '';
1086
1087                 if(local_user() && local_user() == $a->profile['uid']) {
1088                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1089                                 '$editprofile' => t('Edit profile'),
1090                                 '$profid' => $a->profile['id']
1091                         ));
1092                 }
1093
1094                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1095
1096                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1097
1098                 /*if(! $block)
1099                  $a->page['aside'] .= contact_block();*/
1100
1101                 return;
1102         }
1103 }
1104
1105
1106 /**
1107  *
1108  * Function: profile_sidebar
1109  *
1110  * Formats a profile for display in the sidebar.
1111  * It is very difficult to templatise the HTML completely
1112  * because of all the conditional logic.
1113  *
1114  * @parameter: array $profile
1115  *
1116  * Returns HTML string stuitable for sidebar inclusion
1117  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1118  *
1119  */
1120
1121
1122 if(! function_exists('profile_sidebar')) {
1123         function profile_sidebar($profile, $block = 0) {
1124
1125                 $a = get_app();
1126
1127                 $o = '';
1128                 $location = false;
1129                 $address = false;
1130                 $pdesc = true;
1131
1132                 if((! is_array($profile)) && (! count($profile)))
1133                         return $o;
1134
1135                 $profile['picdate'] = urlencode($profile['picdate']);
1136
1137                 call_hooks('profile_sidebar_enter', $profile);
1138
1139
1140                 // don't show connect link to yourself
1141                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1142
1143                 // don't show connect link to authenticated visitors either
1144
1145                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1146                         $connect = False;
1147
1148                 if(get_my_url() && $profile['unkmail'])
1149                         $wallmessage = t('Message');
1150                 else
1151                         $wallmessage = false;
1152
1153
1154
1155                 // show edit profile to yourself
1156                 if ($profile['uid'] == local_user()) {
1157                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1158
1159                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1160                                         local_user());
1161
1162                         $profile['menu'] = array(
1163                                 'chg_photo' => t('Change profile photo'),
1164                                 'cr_new' => t('Create New Profile'),
1165                                 'entries' => array(),
1166                         );
1167
1168                         if(count($r)) {
1169
1170                                 foreach($r as $rr) {
1171                                         $profile['menu']['entries'][] = array(
1172                                                 'photo' => $rr['thumb'],
1173                                                 'id' => $rr['id'],
1174                                                 'alt' => t('Profile Image'),
1175                                                 'profile_name' => $rr['profile-name'],
1176                                                 'isdefault' => $rr['is-default'],
1177                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1178                                                 'edit_visibility' => t('Edit visibility'),
1179
1180                                         );
1181                                 }
1182
1183
1184                         }
1185
1186
1187                 }
1188
1189
1190
1191
1192                 if((x($profile,'address') == 1)
1193                                 || (x($profile,'locality') == 1)
1194                                 || (x($profile,'region') == 1)
1195                                 || (x($profile,'postal-code') == 1)
1196                                 || (x($profile,'country-name') == 1))
1197                         $location = t('Location:');
1198
1199                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1200
1201
1202                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1203
1204                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1205
1206                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1207                         $location = $pdesc = $gender = $marital = $homepage = False;
1208                 }
1209
1210                 $firstname = ((strpos($profile['name'],' '))
1211                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1212                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1213
1214                 $diaspora = array(
1215                         'podloc' => $a->get_baseurl(),
1216                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1217                         'nickname' => $profile['nickname'],
1218                         'fullname' => $profile['name'],
1219                         'firstname' => $firstname,
1220                         'lastname' => $lastname,
1221                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1222                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1223                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1224                 );
1225
1226                 if (!$block){
1227                         $contact_block = contact_block();
1228                 }
1229
1230
1231                 $tpl = get_markup_template('profile_vcard.tpl');
1232
1233                 $o .= replace_macros($tpl, array(
1234                         '$profile' => $profile,
1235                         '$connect'  => $connect,
1236                         '$wallmessage' => $wallmessage,
1237                         '$location' => template_escape($location),
1238                         '$gender'   => $gender,
1239                         '$pdesc'        => $pdesc,
1240                         '$marital'  => $marital,
1241                         '$homepage' => $homepage,
1242                         '$diaspora' => $diaspora,
1243                         '$contact_block' => $contact_block,
1244                 ));
1245
1246
1247                 $arr = array('profile' => &$profile, 'entry' => &$o);
1248
1249                 call_hooks('profile_sidebar', $arr);
1250
1251                 return $o;
1252         }
1253 }
1254
1255
1256 if(! function_exists('get_birthdays')) {
1257         function get_birthdays() {
1258
1259                 $a = get_app();
1260                 $o = '';
1261
1262                 if(! local_user())
1263                         return $o;
1264
1265                 $mobile_detect = new Mobile_Detect();
1266                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1267
1268                 if($is_mobile)
1269                         return $o;
1270
1271                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1272                 $bd_short = t('F d');
1273
1274                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1275                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1276                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1277                                 ORDER BY `start` ASC ",
1278                                 intval(local_user()),
1279                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1280                                 dbesc(datetime_convert('UTC','UTC','now'))
1281                 );
1282
1283                 if($r && count($r)) {
1284                         $total = 0;
1285                         $now = strtotime('now');
1286                         $cids = array();
1287
1288                         $istoday = false;
1289                         foreach($r as $rr) {
1290                                 if(strlen($rr['name']))
1291                                         $total ++;
1292                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1293                                         $istoday = true;
1294                         }
1295                         $classtoday = $istoday ? ' birthday-today ' : '';
1296                         if($total) {
1297                                 foreach($r as &$rr) {
1298                                         if(! strlen($rr['name']))
1299                                                 continue;
1300
1301                                         // avoid duplicates
1302
1303                                         if(in_array($rr['cid'],$cids))
1304                                                 continue;
1305                                         $cids[] = $rr['cid'];
1306
1307                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1308                                         $sparkle = '';
1309                                         $url = $rr['url'];
1310                                         if($rr['network'] === NETWORK_DFRN) {
1311                                                 $sparkle = " sparkle";
1312                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1313                                         }
1314
1315                                         $rr['link'] = $url;
1316                                         $rr['title'] = $rr['name'];
1317                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1318                                         $rr['startime'] = Null;
1319                                         $rr['today'] = $today;
1320
1321                                 }
1322                         }
1323                 }
1324                 $tpl = get_markup_template("birthdays_reminder.tpl");
1325                 return replace_macros($tpl, array(
1326                         '$baseurl' => $a->get_baseurl(),
1327                         '$classtoday' => $classtoday,
1328                         '$count' => $total,
1329                         '$event_reminders' => t('Birthday Reminders'),
1330                         '$event_title' => t('Birthdays this week:'),
1331                         '$events' => $r,
1332                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1333                         '$rbr' => '}'
1334
1335                 ));
1336         }
1337 }
1338
1339
1340 if(! function_exists('get_events')) {
1341         function get_events() {
1342
1343                 require_once('include/bbcode.php');
1344
1345                 $a = get_app();
1346
1347                 if(! local_user())
1348                         return $o;
1349
1350
1351                 $mobile_detect = new Mobile_Detect();
1352                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1353
1354                 if($is_mobile)
1355                         return $o;
1356
1357                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1358                 $bd_short = t('F d');
1359
1360                 $r = q("SELECT `event`.* FROM `event`
1361                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1362                                 ORDER BY `start` ASC ",
1363                                 intval(local_user()),
1364                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1365                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1366                 );
1367
1368                 if($r && count($r)) {
1369                         $now = strtotime('now');
1370                         $istoday = false;
1371                         foreach($r as $rr) {
1372                                 if(strlen($rr['name']))
1373                                         $total ++;
1374
1375                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1376                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1377                                         $istoday = true;
1378                         }
1379                         $classtoday = (($istoday) ? 'event-today' : '');
1380
1381
1382                         foreach($r as &$rr) {
1383                                 if($rr['adjust'])
1384                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1385                                 else
1386                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1387                                 $md .= "/#link-".$rr['id'];
1388
1389                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1390                                 if(! $title)
1391                                         $title = t('[No description]');
1392
1393                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1394                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1395
1396                                 $rr['link'] = $md;
1397                                 $rr['title'] = $title;
1398                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1399                                 $rr['startime'] = $strt;
1400                                 $rr['today'] = $today;
1401                         }
1402                 }
1403
1404                 $tpl = get_markup_template("events_reminder.tpl");
1405                 return replace_macros($tpl, array(
1406                         '$baseurl' => $a->get_baseurl(),
1407                         '$classtoday' => $classtoday,
1408                         '$count' => count($r),
1409                         '$event_reminders' => t('Event Reminders'),
1410                         '$event_title' => t('Events this week:'),
1411                         '$events' => $r,
1412                 ));
1413         }
1414 }
1415
1416
1417 /**
1418  *
1419  * Wrap calls to proc_close(proc_open()) and call hook
1420  * so plugins can take part in process :)
1421  *
1422  * args:
1423  * $cmd program to run
1424  *  next args are passed as $cmd command line
1425  *
1426  * e.g.: proc_run("ls","-la","/tmp");
1427  *
1428  * $cmd and string args are surrounded with ""
1429  */
1430
1431 if(! function_exists('proc_run')) {
1432         function proc_run($cmd){
1433
1434                 $a = get_app();
1435
1436                 $args = func_get_args();
1437
1438                 $newargs = array();
1439                 if(! count($args))
1440                         return;
1441
1442                 // expand any arrays
1443
1444                 foreach($args as $arg) {
1445                         if(is_array($arg)) {
1446                                 foreach($arg as $n) {
1447                                         $newargs[] = $n;
1448                                 }
1449                         }
1450                         else
1451                                 $newargs[] = $arg;
1452                 }
1453
1454                 $args = $newargs;
1455
1456                 $arr = array('args' => $args, 'run_cmd' => true);
1457
1458                 call_hooks("proc_run", $arr);
1459                 if(! $arr['run_cmd'])
1460                         return;
1461
1462                 if(count($args) && $args[0] === 'php')
1463                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1464                 for($x = 0; $x < count($args); $x ++)
1465                         $args[$x] = escapeshellarg($args[$x]);
1466
1467                 $cmdline = implode($args," ");
1468                 proc_close(proc_open($cmdline." &",array(),$foo));
1469         }
1470 }
1471
1472 if(! function_exists('current_theme')) {
1473         function current_theme(){
1474                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1475
1476                 $a = get_app();
1477
1478                 $mobile_detect = new Mobile_Detect();
1479                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1480
1481                 if($is_mobile) {
1482                         $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1483                         $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1484                 }
1485                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1486                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1487                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1488                 }
1489
1490                 if($theme_name &&
1491                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1492                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1493                         return($theme_name);
1494
1495                 foreach($app_base_themes as $t) {
1496                         if(file_exists('view/theme/' . $t . '/style.css')||
1497                                         file_exists('view/theme/' . $t . '/style.php'))
1498                                 return($t);
1499                 }
1500
1501                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1502                 if(count($fallback))
1503                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1504
1505         }
1506 }
1507
1508 /*
1509  * Return full URL to theme which is currently in effect.
1510 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1511 */
1512 if(! function_exists('current_theme_url')) {
1513         function current_theme_url() {
1514                 global $a;
1515                 $t = current_theme();
1516                 if (file_exists('view/theme/' . $t . '/style.php'))
1517                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1518                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1519         }
1520 }
1521
1522 if(! function_exists('feed_birthday')) {
1523         function feed_birthday($uid,$tz) {
1524
1525                 /**
1526                  *
1527                  * Determine the next birthday, but only if the birthday is published
1528                  * in the default profile. We _could_ also look for a private profile that the
1529                  * recipient can see, but somebody could get mad at us if they start getting
1530                  * public birthday greetings when they haven't made this info public.
1531                  *
1532                  * Assuming we are able to publish this info, we are then going to convert
1533                  * the start time from the owner's timezone to UTC.
1534                  *
1535                  * This will potentially solve the problem found with some social networks
1536                  * where birthdays are converted to the viewer's timezone and salutations from
1537                  * elsewhere in the world show up on the wrong day. We will convert it to the
1538                  * viewer's timezone also, but first we are going to convert it from the birthday
1539                  * person's timezone to GMT - so the viewer may find the birthday starting at
1540                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1541                  *
1542                  */
1543
1544
1545                 $birthday = '';
1546
1547                 if(! strlen($tz))
1548                         $tz = 'UTC';
1549
1550                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1551                                 intval($uid)
1552                 );
1553
1554                 if($p && count($p)) {
1555                         $tmp_dob = substr($p[0]['dob'],5);
1556                         if(intval($tmp_dob)) {
1557                                 $y = datetime_convert($tz,$tz,'now','Y');
1558                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1559                                 $t_dob = strtotime($bd);
1560                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1561                                 if($t_dob < $now)
1562                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1563                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1564                         }
1565                 }
1566
1567                 return $birthday;
1568         }
1569 }
1570
1571 if(! function_exists('is_site_admin')) {
1572         function is_site_admin() {
1573                 $a = get_app();
1574                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1575                         return true;
1576                 return false;
1577         }
1578 }
1579
1580
1581 if(! function_exists('load_contact_links')) {
1582         function load_contact_links($uid) {
1583
1584                 $a = get_app();
1585
1586                 $ret = array();
1587
1588                 if(! $uid || x($a->contacts,'empty'))
1589                         return;
1590
1591                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1592                                 intval($uid)
1593                 );
1594                 if(count($r)) {
1595                         foreach($r as $rr){
1596                                 $url = normalise_link($rr['url']);
1597                                 $ret[$url] = $rr;
1598                         }
1599                 }
1600                 else
1601                         $ret['empty'] = true;
1602                 $a->contacts = $ret;
1603                 return;
1604         }
1605 }
1606
1607 if(! function_exists('profile_tabs')){
1608         function profile_tabs($a, $is_owner=False, $nickname=Null){
1609                 //echo "<pre>"; var_dump($a->user); killme();
1610
1611                 if (is_null($nickname))
1612                         $nickname  = $a->user['nickname'];
1613
1614                 if(x($_GET,'tab'))
1615                         $tab = notags(trim($_GET['tab']));
1616
1617                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1618
1619                 $tabs = array(
1620                         array(
1621                                 'label'=>t('Status'),
1622                                 'url' => $url,
1623                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1624                                 'title' => t('Status Messages and Posts'),
1625                                 'id' => 'status-tab',
1626                         ),
1627                         array(
1628                                 'label' => t('Profile'),
1629                                 'url'   => $url.'/?tab=profile',
1630                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1631                                 'title' => t('Profile Details'),
1632                                 'id' => 'profile-tab',
1633                         ),
1634                         array(
1635                                 'label' => t('Photos'),
1636                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1637                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1638                                 'title' => t('Photo Albums'),
1639                                 'id' => 'photo-tab',
1640                         ),
1641                 );
1642
1643                 if ($is_owner){
1644                         $tabs[] = array(
1645                                 'label' => t('Events'),
1646                                 'url'   => $a->get_baseurl() . '/events',
1647                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1648                                 'title' => t('Events and Calendar'),
1649                                 'id' => 'events-tab',
1650                         );
1651                         $tabs[] = array(
1652                                 'label' => t('Personal Notes'),
1653                                 'url'   => $a->get_baseurl() . '/notes',
1654                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1655                                 'title' => t('Only You Can See This'),
1656                                 'id' => 'notes-tab',
1657                         );
1658                 }
1659
1660
1661                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1662                 call_hooks('profile_tabs', $arr);
1663
1664                 $tpl = get_markup_template('common_tabs.tpl');
1665
1666                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1667         }
1668 }
1669
1670 function get_my_url() {
1671         if(x($_SESSION,'my_url'))
1672                 return $_SESSION['my_url'];
1673         return false;
1674 }
1675
1676 function zrl_init(&$a) {
1677         $tmp_str = get_my_url();
1678         if(validate_url($tmp_str)) {
1679                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1680                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1681                 call_hooks('zrl_init',$arr);
1682         }
1683 }
1684
1685 function zrl($s,$force = false) {
1686         if(! strlen($s))
1687                 return $s;
1688         if((! strpos($s,'/profile/')) && (! $force))
1689                 return $s;
1690         if($force && substr($s,-1,1) !== '/')
1691                 $s = $s . '/';
1692         $achar = strpos($s,'?') ? '&' : '?';
1693         $mine = get_my_url();
1694         if($mine and ! link_compare($mine,$s))
1695                 return $s . $achar . 'zrl=' . urlencode($mine);
1696         return $s;
1697 }
1698
1699 /**
1700 * returns querystring as string from a mapped array
1701 *
1702 * @param params Array
1703 * @return string
1704 */
1705 function build_querystring($params, $name=null) {
1706     $ret = "";
1707     foreach($params as $key=>$val) {
1708         if(is_array($val)) {
1709             if($name==null) {
1710                 $ret .= build_querystring($val, $key);
1711             } else {
1712                 $ret .= build_querystring($val, $name."[$key]");
1713             }
1714         } else {
1715             $val = urlencode($val);
1716             if($name!=null) {
1717                 $ret.=$name."[$key]"."=$val&";
1718             } else {
1719                 $ret.= "$key=$val&";
1720             }
1721         }
1722     }
1723     return $ret;
1724 }