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',      '3.0.1444' );
  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 define ( 'ACTIVITY_MOOD',        NAMESPACE_ZOT . '/activity/mood' );
 257
 258 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 259 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 260 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 261 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 262 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 263 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 264 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 265 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 266 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 267 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 268
 269 /**
 270  * item weight for query ordering
 271  */
 272
 273 define ( 'GRAVITY_PARENT',       0);
 274 define ( 'GRAVITY_LIKE',         3);
 275 define ( 'GRAVITY_COMMENT',      6);
 276
 277 /**
 278  *
 279  * Reverse the effect of magic_quotes_gpc if it is enabled.
 280  * Please disable magic_quotes_gpc so we don't have to do this.
 281  * See http://php.net/manual/en/security.magicquotes.disabling.php
 282  *
 283  */
 284
 285 function startup() {
 286         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 287         set_time_limit(0);
 288
 289         // This has to be quite large to deal with embedded private photos
 290         ini_set('pcre.backtrack_limit', 500000);
 291
 292
 293         if (get_magic_quotes_gpc()) {
 294                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 295                 while (list($key, $val) = each($process)) {
 296                         foreach ($val as $k => $v) {
 297                                 unset($process[$key][$k]);
 298                                 if (is_array($v)) {
 299                                         $process[$key][stripslashes($k)] = $v;
 300                                         $process[] = &$process[$key][stripslashes($k)];
 301                                 } else {
 302                                         $process[$key][stripslashes($k)] = stripslashes($v);
 303                                 }
 304                         }
 305                 }
 306                 unset($process);
 307         }
 308
 309 }
 310
 311 /**
 312  *
 313  * class: App
 314  *
 315  * Our main application structure for the life of this page
 316  * Primarily deals with the URL that got us here
 317  * and tries to make some sense of it, and
 318  * stores our page contents and config storage
 319  * and anything else that might need to be passed around
 320  * before we spit the page out.
 321  *
 322  */
 323
 324 if(! class_exists('App')) {
 325         class App {
 326
 327                 public  $module_loaded = false;
 328                 public  $query_string;
 329                 public  $config;
 330                 public  $page;
 331                 public  $profile;
 332                 public  $user;
 333                 public  $cid;
 334                 public  $contact;
 335                 public  $contacts;
 336                 public  $page_contact;
 337                 public  $content;
 338                 public  $data = array();
 339                 public  $error = false;
 340                 public  $cmd;
 341                 public  $argv;
 342                 public  $argc;
 343                 public  $module;
 344                 public  $pager;
 345                 public  $strings;
 346                 public  $path;
 347                 public  $hooks;
 348                 public  $timezone;
 349                 public  $interactive = true;
 350                 public  $plugins;
 351                 public  $apps = array();
 352                 public  $identities;
 353
 354                 public $nav_sel;
 355
 356                 public $category;
 357
 358                 // Allow themes to control internal parameters
 359                 // by changing App values in theme.php
 360                 //
 361                 // Possibly should make these part of the plugin
 362                 // system, but it seems like overkill to invoke
 363                 // all the plugin machinery just to change a couple
 364                 // of values
 365                 public  $sourcename = '';
 366                 public  $videowidth = 425;
 367                 public  $videoheight = 350;
 368                 public  $force_max_items = 0;
 369                 public  $theme_thread_allow = true;
 370
 371                 private $scheme;
 372                 private $hostname;
 373                 private $baseurl;
 374                 private $db;
 375
 376                 private $curl_code;
 377                 private $curl_headers;
 378
 379                 private $cached_profile_image;
 380                 private $cached_profile_picdate;
 381
 382                 function __construct() {
 383
 384                         global $default_timezone;
 385
 386                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 387
 388                         date_default_timezone_set($this->timezone);
 389
 390                         $this->config = array();
 391                         $this->page = array();
 392                         $this->pager= array();
 393
 394                         $this->query_string = '';
 395
 396                         startup();
 397
 398                         $this->scheme = 'http';
 399                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 400                                 $this->scheme = 'https';
 401                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 402                         $this->scheme = 'https';
 403
 404
 405                         if(x($_SERVER,'SERVER_NAME')) {
 406                                 $this->hostname = $_SERVER['SERVER_NAME'];
 407
 408                                 // See bug 437 - this didn't work so disabling it
 409                                 //if(stristr($this->hostname,'xn--')) {
 410                                         // PHP or webserver may have converted idn to punycode, so
 411                                         // convert punycode back to utf-8
 412                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 413                                 //      $x = new idna_convert();
 414                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 415                                 //}
 416
 417                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 418                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 419                                 /**
 420                                  * Figure out if we are running at the top of a domain
 421                                  * or in a sub-directory and adjust accordingly
 422                                  */
 423
 424                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 425                                 if(isset($path) && strlen($path) && ($path != $this->path))
 426                                         $this->path = $path;
 427                         }
 428
 429                         set_include_path(
 430                                         "include/$this->hostname" . PATH_SEPARATOR
 431                                         . 'include' . PATH_SEPARATOR
 432                                         . 'library' . PATH_SEPARATOR
 433                                         . 'library/phpsec' . PATH_SEPARATOR
 434                                         . 'library/langdet' . PATH_SEPARATOR
 435                                         . '.' );
 436
 437                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 438                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 439                                 // removing trailing / - maybe a nginx problem
 440                                 if (substr($this->query_string, 0, 1) == "/")
 441                                         $this->query_string = substr($this->query_string, 1);
 442                         }
 443                         if(x($_GET,'q'))
 444                                 $this->cmd = trim($_GET['q'],'/\\');
 445
 446                         // unix style "homedir"
 447
 448                         if(substr($this->cmd,0,1) === '~')
 449                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 450
 451                         // Diaspora style profile url
 452
 453                         if(substr($this->cmd,0,2) === 'u/')
 454                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 455
 456                         /**
 457                          *
 458                          * Break the URL path into C style argc/argv style arguments for our
 459                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 460                          * will be 3 (integer) and $this->argv will contain:
 461                          *   [0] => 'module'
 462                          *   [1] => 'arg1'
 463                          *   [2] => 'arg2'
 464                          *
 465                          *
 466                          * There will always be one argument. If provided a naked domain
 467                          * URL, $this->argv[0] is set to "home".
 468                          *
 469                          */
 470
 471                         $this->argv = explode('/',$this->cmd);
 472                         $this->argc = count($this->argv);
 473                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 474                                 $this->module = str_replace(".", "_", $this->argv[0]);
 475                         }
 476                         else {
 477                                 $this->argc = 1;
 478                                 $this->argv = array('home');
 479                                 $this->module = 'home';
 480                         }
 481
 482                         /**
 483                          * Special handling for the webfinger/lrdd host XRD file
 484                          */
 485
 486                         if($this->cmd === '.well-known/host-meta') {
 487                                 $this->argc = 1;
 488                                 $this->argv = array('hostxrd');
 489                                 $this->module = 'hostxrd';
 490                         }
 491
 492                         /**
 493                          * See if there is any page number information, and initialise
 494                          * pagination
 495                          */
 496
 497                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 498                         $this->pager['itemspage'] = 50;
 499                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 500                         if($this->pager['start'] < 0)
 501                                 $this->pager['start'] = 0;
 502                         $this->pager['total'] = 0;
 503                 }
 504
 505                 function get_baseurl($ssl = false) {
 506
 507                         $scheme = $this->scheme;
 508
 509                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 510                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 511                                         $scheme = 'https';
 512
 513                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 514                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 515
 516                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 517                                         if($ssl)
 518                                                 $scheme = 'https';
 519                                         else
 520                                                 $scheme = 'http';
 521                                 }
 522                         }
 523
 524                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 525                         return $this->baseurl;
 526                 }
 527
 528                 function set_baseurl($url) {
 529                         $parsed = @parse_url($url);
 530
 531                         $this->baseurl = $url;
 532
 533                         if($parsed) {
 534                                 $this->scheme = $parsed['scheme'];
 535
 536                                 $this->hostname = $parsed['host'];
 537                                 if(x($parsed,'port'))
 538                                         $this->hostname .= ':' . $parsed['port'];
 539                                 if(x($parsed,'path'))
 540                                         $this->path = trim($parsed['path'],'\\/');
 541                         }
 542
 543                 }
 544
 545                 function get_hostname() {
 546                         return $this->hostname;
 547                 }
 548
 549                 function set_hostname($h) {
 550                         $this->hostname = $h;
 551                 }
 552
 553                 function set_path($p) {
 554                         $this->path = trim(trim($p),'/');
 555                 }
 556
 557                 function get_path() {
 558                         return $this->path;
 559                 }
 560
 561                 function set_pager_total($n) {
 562                         $this->pager['total'] = intval($n);
 563                 }
 564
 565                 function set_pager_itemspage($n) {
 566                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 567                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 568
 569                 }
 570
 571                 function init_pagehead() {
 572                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 573                         if($interval < 10000)
 574                                 $interval = 40000;
 575
 576                         $this->page['title'] = $this->config['sitename'];
 577                         $tpl = get_markup_template('head.tpl');
 578                         $this->page['htmlhead'] = replace_macros($tpl,array(
 579                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 580                                 '$local_user' => local_user(),
 581                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 582                                 '$delitem' => t('Delete this item?'),
 583                                 '$comment' => t('Comment'),
 584                                 '$showmore' => t('show more'),
 585                                 '$showfewer' => t('show fewer'),
 586                                 '$update_interval' => $interval
 587                         ));
 588                 }
 589
 590                 function init_page_end() {
 591                         $tpl = get_markup_template('end.tpl');
 592                         $this->page['end'] = replace_macros($tpl,array(
 593                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
 594                         ));
 595                 }
 596
 597                 function set_curl_code($code) {
 598                         $this->curl_code = $code;
 599                 }
 600
 601                 function get_curl_code() {
 602                         return $this->curl_code;
 603                 }
 604
 605                 function set_curl_headers($headers) {
 606                         $this->curl_headers = $headers;
 607                 }
 608
 609                 function get_curl_headers() {
 610                         return $this->curl_headers;
 611                 }
 612
 613                 function get_cached_avatar_image($avatar_image){
 614                         if($this->cached_profile_image[$avatar_image])
 615                                 return $this->cached_profile_image[$avatar_image];
 616
 617                         $path_parts = explode("/",$avatar_image);
 618                         $common_filename = $path_parts[count($path_parts)-1];
 619
 620                         if($this->cached_profile_picdate[$common_filename]){
 621                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 622                         } else {
 623                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 624                                         $common_filename);
 625                                 if(! count($r)){
 626                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 627                                 } else {
 628                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 629                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 630                                 }
 631                         }
 632                         return $this->cached_profile_image[$avatar_image];
 633                 }
 634
 635
 636         }
 637 }
 638
 639 // retrieve the App structure
 640 // useful in functions which require it but don't get it passed to them
 641
 642 if(! function_exists('get_app')) {
 643         function get_app() {
 644                 global $a;
 645                 return $a;
 646         }
 647 };
 648
 649
 650 // Multi-purpose function to check variable state.
 651 // Usage: x($var) or $x($array,'key')
 652 // returns false if variable/key is not set
 653 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 654 // e.g. x('') or x(0) returns 0;
 655
 656 if(! function_exists('x')) {
 657         function x($s,$k = NULL) {
 658                 if($k != NULL) {
 659                         if((is_array($s)) && (array_key_exists($k,$s))) {
 660                                 if($s[$k])
 661                                         return (int) 1;
 662                                 return (int) 0;
 663                 }
 664                         return false;
 665                 }
 666                 else {
 667                         if(isset($s)) {
 668                                 if($s) {
 669                                         return (int) 1;
 670                                 }
 671                                 return (int) 0;
 672                         }
 673                         return false;
 674                 }
 675         }
 676 }
 677
 678 // called from db initialisation if db is dead.
 679
 680 if(! function_exists('system_unavailable')) {
 681         function system_unavailable() {
 682                 include('system_unavailable.php');
 683                 system_down();
 684                 killme();
 685         }
 686 }
 687
 688
 689
 690 function clean_urls() {
 691         global $a;
 692         //      if($a->config['system']['clean_urls'])
 693         return true;
 694         //      return false;
 695 }
 696
 697 function z_path() {
 698         global $a;
 699         $base = $a->get_baseurl();
 700         if(! clean_urls())
 701                 $base .= '/?q=';
 702         return $base;
 703 }
 704
 705 function z_root() {
 706         global $a;
 707         return $a->get_baseurl();
 708 }
 709
 710 function absurl($path) {
 711         if(strpos($path,'/') === 0)
 712                 return z_path() . $path;
 713         return $path;
 714 }
 715
 716 function is_ajax() {
 717         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 718 }
 719
 720
 721 // Primarily involved with database upgrade, but also sets the
 722 // base url for use in cmdline programs which don't have
 723 // $_SERVER variables, and synchronising the state of installed plugins.
 724
 725
 726 if(! function_exists('check_config')) {
 727         function check_config(&$a) {
 728
 729                 $build = get_config('system','build');
 730                 if(! x($build))
 731                         $build = set_config('system','build',DB_UPDATE_VERSION);
 732
 733                 $url = get_config('system','url');
 734
 735                 // if the url isn't set or the stored url is radically different
 736                 // than the currently visited url, store the current value accordingly.
 737                 // "Radically different" ignores common variations such as http vs https
 738                 // and www.example.com vs example.com.
 739                 // We will only change the url to an ip address if there is no existing setting
 740
 741                 if(! x($url))
 742                         $url = set_config('system','url',$a->get_baseurl());
 743                 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
 744                         $url = set_config('system','url',$a->get_baseurl());
 745
 746
 747                 if($build != DB_UPDATE_VERSION) {
 748                         $stored = intval($build);
 749                         $current = intval(DB_UPDATE_VERSION);
 750                         if(($stored < $current) && file_exists('update.php')) {
 751
 752                                 load_config('database');
 753
 754                                 // We're reporting a different version than what is currently installed.
 755                                 // Run any existing update scripts to bring the database up to current.
 756
 757                                 require_once('update.php');
 758
 759                                 // make sure that boot.php and update.php are the same release, we might be
 760                                 // updating right this very second and the correct version of the update.php
 761                                 // file may not be here yet. This can happen on a very busy site.
 762
 763                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 764
 765                                         for($x = $stored; $x < $current; $x ++) {
 766                                                 if(function_exists('update_' . $x)) {
 767
 768                                                         // There could be a lot of processes running or about to run.
 769                                                         // We want exactly one process to run the update command.
 770                                                         // So store the fact that we're taking responsibility
 771                                                         // after first checking to see if somebody else already has.
 772
 773                                                         // If the update fails or times-out completely you may need to
 774                                                         // delete the config entry to try again.
 775
 776                                                         $t = get_config('database','update_' . $x);
 777                                                         if($t !== false)
 778                                                                 break;
 779                                                         set_config('database','update_' . $x, time());
 780
 781                                                         // call the specific update
 782
 783                                                         $func = 'update_' . $x;
 784                                                         $retval = $func();
 785                                                         if($retval) {
 786                                                                 //send the administrator an e-mail
 787                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 788                                                                 $email_msg = replace_macros($email_tpl, array(
 789                                                                         '$sitename' => $a->config['sitename'],
 790                                                                         '$siteurl' =>  $a->get_baseurl(),
 791                                                                         '$update' => $x,
 792                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 793                                                                 ));
 794                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 795
 796                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 797                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 798                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 799                                                                         . 'Content-transfer-encoding: 8bit' );
 800                                                                 //try the logger
 801                                                                 logger('CRITICAL: Update Failed: '. $x);
 802                                                                 break;
 803                                                         }
 804                                                         else {
 805                                                                 set_config('database','update_' . $x, 'success');
 806                                                                 set_config('system','build', $x + 1);
 807                                                         }
 808                                                 }
 809                                         }
 810                                 }
 811                         }
 812                 }
 813
 814                 /**
 815                  *
 816                  * Synchronise plugins:
 817                  *
 818                  * $a->config['system']['addon'] contains a comma-separated list of names
 819                  * of plugins/addons which are used on this system.
 820                  * Go through the database list of already installed addons, and if we have
 821                  * an entry, but it isn't in the config list, call the uninstall procedure
 822                  * and mark it uninstalled in the database (for now we'll remove it).
 823                  * Then go through the config list and if we have a plugin that isn't installed,
 824                  * call the install procedure and add it to the database.
 825                  *
 826                  */
 827
 828                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 829                 if(count($r))
 830                         $installed = $r;
 831                 else
 832                         $installed = array();
 833
 834                 $plugins = get_config('system','addon');
 835                 $plugins_arr = array();
 836
 837                 if($plugins)
 838                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 839
 840                 $a->plugins = $plugins_arr;
 841
 842                 $installed_arr = array();
 843
 844                 if(count($installed)) {
 845                         foreach($installed as $i) {
 846                                 if(! in_array($i['name'],$plugins_arr)) {
 847                                         uninstall_plugin($i['name']);
 848                                 }
 849                                 else {
 850                                         $installed_arr[] = $i['name'];
 851                                 }
 852                         }
 853                 }
 854
 855                 if(count($plugins_arr)) {
 856                         foreach($plugins_arr as $p) {
 857                                 if(! in_array($p,$installed_arr)) {
 858                                         install_plugin($p);
 859                                 }
 860                         }
 861                 }
 862
 863
 864                 load_hooks();
 865
 866                 return;
 867         }
 868 }
 869
 870
 871 function get_guid($size=16) {
 872         $exists = true; // assume by default that we don't have a unique guid
 873         do {
 874                 $s = random_string($size);
 875                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 876                 if(! count($r))
 877                         $exists = false;
 878         } while($exists);
 879         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 880         return $s;
 881 }
 882
 883
 884 // wrapper for adding a login box. If $register == true provide a registration
 885 // link. This will most always depend on the value of $a->config['register_policy'].
 886 // returns the complete html for inserting into the page
 887
 888 if(! function_exists('login')) {
 889         function login($register = false, $hiddens=false) {
 890                 $a = get_app();
 891                 $o = "";
 892                 $reg = false;
 893                 if ($register) {
 894                         $reg = array(
 895                                 'title' => t('Create a New Account'),
 896                                 'desc' => t('Register')
 897                         );
 898                 }
 899
 900                 $noid = get_config('system','no_openid');
 901
 902                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 903
 904                 if(local_user()) {
 905                         $tpl = get_markup_template("logout.tpl");
 906                 }
 907                 else {
 908                         $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
 909                                 '$baseurl'              => $a->get_baseurl(true)
 910                         ));
 911
 912                         $tpl = get_markup_template("login.tpl");
 913                         $_SESSION['return_url'] = $a->query_string;
 914                 }
 915
 916
 917                 $o .= replace_macros($tpl,array(
 918
 919                         '$dest_url'     => $dest_url,
 920                         '$logout'       => t('Logout'),
 921                         '$login'        => t('Login'),
 922
 923                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 924                         '$lpassword'    => array('password', t('Password: '), '', ''),
 925
 926                         '$openid'               => !$noid,
 927                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 928
 929                         '$hiddens'      => $hiddens,
 930
 931                         '$register'     => $reg,
 932
 933                         '$lostpass'     => t('Forgot your password?'),
 934                         '$lostlink'     => t('Password Reset'),
 935                 ));
 936
 937                 call_hooks('login_hook',$o);
 938
 939                 return $o;
 940         }
 941 }
 942
 943 // Used to end the current process, after saving session state.
 944
 945 if(! function_exists('killme')) {
 946         function killme() {
 947                 session_write_close();
 948                 exit;
 949         }
 950 }
 951
 952 // redirect to another URL and terminate this process.
 953
 954 if(! function_exists('goaway')) {
 955         function goaway($s) {
 956                 header("Location: $s");
 957                 killme();
 958         }
 959 }
 960
 961
 962 // Returns the uid of locally logged in user or false.
 963
 964 if(! function_exists('local_user')) {
 965         function local_user() {
 966                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 967                         return intval($_SESSION['uid']);
 968                 return false;
 969         }
 970 }
 971
 972 // Returns contact id of authenticated site visitor or false
 973
 974 if(! function_exists('remote_user')) {
 975         function remote_user() {
 976                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 977                         return intval($_SESSION['visitor_id']);
 978                 return false;
 979         }
 980 }
 981
 982 // contents of $s are displayed prominently on the page the next time
 983 // a page is loaded. Usually used for errors or alerts.
 984
 985 if(! function_exists('notice')) {
 986         function notice($s) {
 987                 $a = get_app();
 988                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 989                 if($a->interactive)
 990                         $_SESSION['sysmsg'][] = $s;
 991         }
 992 }
 993 if(! function_exists('info')) {
 994         function info($s) {
 995                 $a = get_app();
 996                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 997                 if($a->interactive)
 998                         $_SESSION['sysmsg_info'][] = $s;
 999         }
1000 }
1001
1002
1003 // wrapper around config to limit the text length of an incoming message
1004
1005 if(! function_exists('get_max_import_size')) {
1006         function get_max_import_size() {
1007                 global $a;
1008                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1009         }
1010 }
1011
1012
1013
1014 /**
1015  *
1016  * Function : profile_load
1017  * @parameter App    $a
1018  * @parameter string $nickname
1019  * @parameter int    $profile
1020  *
1021  * Summary: Loads a profile into the page sidebar.
1022  * The function requires a writeable copy of the main App structure, and the nickname
1023  * of a registered local account.
1024  *
1025  * If the viewer is an authenticated remote viewer, the profile displayed is the
1026  * one that has been configured for his/her viewing in the Contact manager.
1027  * Passing a non-zero profile ID can also allow a preview of a selected profile
1028  * by the owner.
1029  *
1030  * Profile information is placed in the App structure for later retrieval.
1031  * Honours the owner's chosen theme for display.
1032  *
1033  */
1034
1035 if(! function_exists('profile_load')) {
1036         function profile_load(&$a, $nickname, $profile = 0) {
1037                 if(remote_user()) {
1038                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1039                                         intval($_SESSION['visitor_id']));
1040                         if(count($r))
1041                                 $profile = $r[0]['profile-id'];
1042                 }
1043
1044                 $r = null;
1045
1046                 if($profile) {
1047                         $profile_int = intval($profile);
1048                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1049                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1050                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1051                                         dbesc($nickname),
1052                                         intval($profile_int)
1053                         );
1054                 }
1055                 if((! $r) && (!  count($r))) {
1056                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1057                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1058                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1059                                         dbesc($nickname)
1060                         );
1061                 }
1062
1063                 if(($r === false) || (! count($r))) {
1064                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1065                         notice( t('Requested profile is not available.') . EOL );
1066                         $a->error = 404;
1067                         return;
1068                 }
1069
1070                 // fetch user tags if this isn't the default profile
1071
1072                 if(! $r[0]['is-default']) {
1073                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1074                                         intval($profile_uid)
1075                         );
1076                         if($x && count($x))
1077                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1078                 }
1079
1080                 $a->profile = $r[0];
1081
1082
1083                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1084                 $_SESSION['theme'] = $a->profile['theme'];
1085
1086                 /**
1087                  * load/reload current theme info
1088                  */
1089
1090                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1091                 if (file_exists($theme_info_file)){
1092                         require_once($theme_info_file);
1093                 }
1094
1095                 if(! (x($a->page,'aside')))
1096                         $a->page['aside'] = '';
1097
1098                 if(local_user() && local_user() == $a->profile['uid']) {
1099                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1100                                 '$editprofile' => t('Edit profile'),
1101                                 '$profid' => $a->profile['id']
1102                         ));
1103                 }
1104
1105                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1106
1107                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1108
1109                 /*if(! $block)
1110                  $a->page['aside'] .= contact_block();*/
1111
1112                 return;
1113         }
1114 }
1115
1116
1117 /**
1118  *
1119  * Function: profile_sidebar
1120  *
1121  * Formats a profile for display in the sidebar.
1122  * It is very difficult to templatise the HTML completely
1123  * because of all the conditional logic.
1124  *
1125  * @parameter: array $profile
1126  *
1127  * Returns HTML string stuitable for sidebar inclusion
1128  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1129  *
1130  */
1131
1132
1133 if(! function_exists('profile_sidebar')) {
1134         function profile_sidebar($profile, $block = 0) {
1135
1136                 $a = get_app();
1137
1138                 $o = '';
1139                 $location = false;
1140                 $address = false;
1141                 $pdesc = true;
1142
1143                 if((! is_array($profile)) && (! count($profile)))
1144                         return $o;
1145
1146                 $profile['picdate'] = urlencode($profile['picdate']);
1147
1148                 call_hooks('profile_sidebar_enter', $profile);
1149
1150
1151                 // don't show connect link to yourself
1152                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1153
1154                 // don't show connect link to authenticated visitors either
1155
1156                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1157                         $connect = False;
1158
1159                 if(get_my_url() && $profile['unkmail'])
1160                         $wallmessage = t('Message');
1161                 else
1162                         $wallmessage = false;
1163
1164
1165
1166                 // show edit profile to yourself
1167                 if ($profile['uid'] == local_user()) {
1168                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1169
1170                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1171                                         local_user());
1172
1173                         $profile['menu'] = array(
1174                                 'chg_photo' => t('Change profile photo'),
1175                                 'cr_new' => t('Create New Profile'),
1176                                 'entries' => array(),
1177                         );
1178
1179                         if(count($r)) {
1180
1181                                 foreach($r as $rr) {
1182                                         $profile['menu']['entries'][] = array(
1183                                                 'photo' => $rr['thumb'],
1184                                                 'id' => $rr['id'],
1185                                                 'alt' => t('Profile Image'),
1186                                                 'profile_name' => $rr['profile-name'],
1187                                                 'isdefault' => $rr['is-default'],
1188                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1189                                                 'edit_visibility' => t('Edit visibility'),
1190
1191                                         );
1192                                 }
1193
1194
1195                         }
1196
1197
1198                 }
1199
1200
1201
1202
1203                 if((x($profile,'address') == 1)
1204                                 || (x($profile,'locality') == 1)
1205                                 || (x($profile,'region') == 1)
1206                                 || (x($profile,'postal-code') == 1)
1207                                 || (x($profile,'country-name') == 1))
1208                         $location = t('Location:');
1209
1210                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1211
1212
1213                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1214
1215                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1216
1217                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1218                         $location = $pdesc = $gender = $marital = $homepage = False;
1219                 }
1220
1221                 $firstname = ((strpos($profile['name'],' '))
1222                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1223                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1224
1225                 $diaspora = array(
1226                         'podloc' => $a->get_baseurl(),
1227                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1228                         'nickname' => $profile['nickname'],
1229                         'fullname' => $profile['name'],
1230                         'firstname' => $firstname,
1231                         'lastname' => $lastname,
1232                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1233                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1234                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1235                 );
1236
1237                 if (!$block){
1238                         $contact_block = contact_block();
1239                 }
1240
1241
1242                 $tpl = get_markup_template('profile_vcard.tpl');
1243
1244                 $o .= replace_macros($tpl, array(
1245                         '$profile' => $profile,
1246                         '$connect'  => $connect,
1247                         '$wallmessage' => $wallmessage,
1248                         '$location' => template_escape($location),
1249                         '$gender'   => $gender,
1250                         '$pdesc'        => $pdesc,
1251                         '$marital'  => $marital,
1252                         '$homepage' => $homepage,
1253                         '$diaspora' => $diaspora,
1254                         '$contact_block' => $contact_block,
1255                 ));
1256
1257
1258                 $arr = array('profile' => &$profile, 'entry' => &$o);
1259
1260                 call_hooks('profile_sidebar', $arr);
1261
1262                 return $o;
1263         }
1264 }
1265
1266
1267 if(! function_exists('get_birthdays')) {
1268         function get_birthdays() {
1269
1270                 $a = get_app();
1271                 $o = '';
1272
1273                 if(! local_user())
1274                         return $o;
1275
1276                 $mobile_detect = new Mobile_Detect();
1277                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1278
1279                 if($is_mobile)
1280                         return $o;
1281
1282                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1283                 $bd_short = t('F d');
1284
1285                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1286                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1287                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1288                                 ORDER BY `start` ASC ",
1289                                 intval(local_user()),
1290                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1291                                 dbesc(datetime_convert('UTC','UTC','now'))
1292                 );
1293
1294                 if($r && count($r)) {
1295                         $total = 0;
1296                         $now = strtotime('now');
1297                         $cids = array();
1298
1299                         $istoday = false;
1300                         foreach($r as $rr) {
1301                                 if(strlen($rr['name']))
1302                                         $total ++;
1303                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1304                                         $istoday = true;
1305                         }
1306                         $classtoday = $istoday ? ' birthday-today ' : '';
1307                         if($total) {
1308                                 foreach($r as &$rr) {
1309                                         if(! strlen($rr['name']))
1310                                                 continue;
1311
1312                                         // avoid duplicates
1313
1314                                         if(in_array($rr['cid'],$cids))
1315                                                 continue;
1316                                         $cids[] = $rr['cid'];
1317
1318                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1319                                         $sparkle = '';
1320                                         $url = $rr['url'];
1321                                         if($rr['network'] === NETWORK_DFRN) {
1322                                                 $sparkle = " sparkle";
1323                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1324                                         }
1325
1326                                         $rr['link'] = $url;
1327                                         $rr['title'] = $rr['name'];
1328                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1329                                         $rr['startime'] = Null;
1330                                         $rr['today'] = $today;
1331
1332                                 }
1333                         }
1334                 }
1335                 $tpl = get_markup_template("birthdays_reminder.tpl");
1336                 return replace_macros($tpl, array(
1337                         '$baseurl' => $a->get_baseurl(),
1338                         '$classtoday' => $classtoday,
1339                         '$count' => $total,
1340                         '$event_reminders' => t('Birthday Reminders'),
1341                         '$event_title' => t('Birthdays this week:'),
1342                         '$events' => $r,
1343                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1344                         '$rbr' => '}'
1345
1346                 ));
1347         }
1348 }
1349
1350
1351 if(! function_exists('get_events')) {
1352         function get_events() {
1353
1354                 require_once('include/bbcode.php');
1355
1356                 $a = get_app();
1357
1358                 if(! local_user())
1359                         return $o;
1360
1361
1362                 $mobile_detect = new Mobile_Detect();
1363                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1364
1365                 if($is_mobile)
1366                         return $o;
1367
1368                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1369                 $bd_short = t('F d');
1370
1371                 $r = q("SELECT `event`.* FROM `event`
1372                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1373                                 ORDER BY `start` ASC ",
1374                                 intval(local_user()),
1375                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1376                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1377                 );
1378
1379                 if($r && count($r)) {
1380                         $now = strtotime('now');
1381                         $istoday = false;
1382                         foreach($r as $rr) {
1383                                 if(strlen($rr['name']))
1384                                         $total ++;
1385
1386                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1387                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1388                                         $istoday = true;
1389                         }
1390                         $classtoday = (($istoday) ? 'event-today' : '');
1391
1392
1393                         foreach($r as &$rr) {
1394                                 if($rr['adjust'])
1395                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1396                                 else
1397                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1398                                 $md .= "/#link-".$rr['id'];
1399
1400                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1401                                 if(! $title)
1402                                         $title = t('[No description]');
1403
1404                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1405                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1406
1407                                 $rr['link'] = $md;
1408                                 $rr['title'] = $title;
1409                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1410                                 $rr['startime'] = $strt;
1411                                 $rr['today'] = $today;
1412                         }
1413                 }
1414
1415                 $tpl = get_markup_template("events_reminder.tpl");
1416                 return replace_macros($tpl, array(
1417                         '$baseurl' => $a->get_baseurl(),
1418                         '$classtoday' => $classtoday,
1419                         '$count' => count($r),
1420                         '$event_reminders' => t('Event Reminders'),
1421                         '$event_title' => t('Events this week:'),
1422                         '$events' => $r,
1423                 ));
1424         }
1425 }
1426
1427
1428 /**
1429  *
1430  * Wrap calls to proc_close(proc_open()) and call hook
1431  * so plugins can take part in process :)
1432  *
1433  * args:
1434  * $cmd program to run
1435  *  next args are passed as $cmd command line
1436  *
1437  * e.g.: proc_run("ls","-la","/tmp");
1438  *
1439  * $cmd and string args are surrounded with ""
1440  */
1441
1442 if(! function_exists('proc_run')) {
1443         function proc_run($cmd){
1444
1445                 $a = get_app();
1446
1447                 $args = func_get_args();
1448
1449                 $newargs = array();
1450                 if(! count($args))
1451                         return;
1452
1453                 // expand any arrays
1454
1455                 foreach($args as $arg) {
1456                         if(is_array($arg)) {
1457                                 foreach($arg as $n) {
1458                                         $newargs[] = $n;
1459                                 }
1460                         }
1461                         else
1462                                 $newargs[] = $arg;
1463                 }
1464
1465                 $args = $newargs;
1466
1467                 $arr = array('args' => $args, 'run_cmd' => true);
1468
1469                 call_hooks("proc_run", $arr);
1470                 if(! $arr['run_cmd'])
1471                         return;
1472
1473                 if(count($args) && $args[0] === 'php')
1474                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1475                 for($x = 0; $x < count($args); $x ++)
1476                         $args[$x] = escapeshellarg($args[$x]);
1477
1478                 $cmdline = implode($args," ");
1479                 if(get_config('system','proc_windows'))
1480                         proc_close(proc_open('start /b ' . $cmdline,array(),$foo));
1481                 else
1482                         proc_close(proc_open($cmdline." &",array(),$foo));
1483         }
1484 }
1485
1486 if(! function_exists('current_theme')) {
1487         function current_theme(){
1488                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1489
1490                 $a = get_app();
1491
1492                 $mobile_detect = new Mobile_Detect();
1493                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1494
1495                 if($is_mobile) {
1496                         $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1497                         $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1498                 }
1499                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1500                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1501                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1502                 }
1503
1504                 if($theme_name &&
1505                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1506                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1507                         return($theme_name);
1508
1509                 foreach($app_base_themes as $t) {
1510                         if(file_exists('view/theme/' . $t . '/style.css')||
1511                                         file_exists('view/theme/' . $t . '/style.php'))
1512                                 return($t);
1513                 }
1514
1515                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1516                 if(count($fallback))
1517                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1518
1519         }
1520 }
1521
1522 /*
1523  * Return full URL to theme which is currently in effect.
1524 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1525 */
1526 if(! function_exists('current_theme_url')) {
1527         function current_theme_url() {
1528                 global $a;
1529                 $t = current_theme();
1530                 if (file_exists('view/theme/' . $t . '/style.php'))
1531                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1532                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1533         }
1534 }
1535
1536 if(! function_exists('feed_birthday')) {
1537         function feed_birthday($uid,$tz) {
1538
1539                 /**
1540                  *
1541                  * Determine the next birthday, but only if the birthday is published
1542                  * in the default profile. We _could_ also look for a private profile that the
1543                  * recipient can see, but somebody could get mad at us if they start getting
1544                  * public birthday greetings when they haven't made this info public.
1545                  *
1546                  * Assuming we are able to publish this info, we are then going to convert
1547                  * the start time from the owner's timezone to UTC.
1548                  *
1549                  * This will potentially solve the problem found with some social networks
1550                  * where birthdays are converted to the viewer's timezone and salutations from
1551                  * elsewhere in the world show up on the wrong day. We will convert it to the
1552                  * viewer's timezone also, but first we are going to convert it from the birthday
1553                  * person's timezone to GMT - so the viewer may find the birthday starting at
1554                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1555                  *
1556                  */
1557
1558
1559                 $birthday = '';
1560
1561                 if(! strlen($tz))
1562                         $tz = 'UTC';
1563
1564                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1565                                 intval($uid)
1566                 );
1567
1568                 if($p && count($p)) {
1569                         $tmp_dob = substr($p[0]['dob'],5);
1570                         if(intval($tmp_dob)) {
1571                                 $y = datetime_convert($tz,$tz,'now','Y');
1572                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1573                                 $t_dob = strtotime($bd);
1574                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1575                                 if($t_dob < $now)
1576                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1577                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1578                         }
1579                 }
1580
1581                 return $birthday;
1582         }
1583 }
1584
1585 if(! function_exists('is_site_admin')) {
1586         function is_site_admin() {
1587                 $a = get_app();
1588                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1589                         return true;
1590                 return false;
1591         }
1592 }
1593
1594
1595 if(! function_exists('load_contact_links')) {
1596         function load_contact_links($uid) {
1597
1598                 $a = get_app();
1599
1600                 $ret = array();
1601
1602                 if(! $uid || x($a->contacts,'empty'))
1603                         return;
1604
1605                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1606                                 intval($uid)
1607                 );
1608                 if(count($r)) {
1609                         foreach($r as $rr){
1610                                 $url = normalise_link($rr['url']);
1611                                 $ret[$url] = $rr;
1612                         }
1613                 }
1614                 else
1615                         $ret['empty'] = true;
1616                 $a->contacts = $ret;
1617                 return;
1618         }
1619 }
1620
1621 if(! function_exists('profile_tabs')){
1622         function profile_tabs($a, $is_owner=False, $nickname=Null){
1623                 //echo "<pre>"; var_dump($a->user); killme();
1624
1625                 if (is_null($nickname))
1626                         $nickname  = $a->user['nickname'];
1627
1628                 if(x($_GET,'tab'))
1629                         $tab = notags(trim($_GET['tab']));
1630
1631                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1632
1633                 $tabs = array(
1634                         array(
1635                                 'label'=>t('Status'),
1636                                 'url' => $url,
1637                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1638                                 'title' => t('Status Messages and Posts'),
1639                                 'id' => 'status-tab',
1640                         ),
1641                         array(
1642                                 'label' => t('Profile'),
1643                                 'url'   => $url.'/?tab=profile',
1644                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1645                                 'title' => t('Profile Details'),
1646                                 'id' => 'profile-tab',
1647                         ),
1648                         array(
1649                                 'label' => t('Photos'),
1650                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1651                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1652                                 'title' => t('Photo Albums'),
1653                                 'id' => 'photo-tab',
1654                         ),
1655                 );
1656
1657                 if ($is_owner){
1658                         $tabs[] = array(
1659                                 'label' => t('Events'),
1660                                 'url'   => $a->get_baseurl() . '/events',
1661                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1662                                 'title' => t('Events and Calendar'),
1663                                 'id' => 'events-tab',
1664                         );
1665                         $tabs[] = array(
1666                                 'label' => t('Personal Notes'),
1667                                 'url'   => $a->get_baseurl() . '/notes',
1668                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1669                                 'title' => t('Only You Can See This'),
1670                                 'id' => 'notes-tab',
1671                         );
1672                 }
1673
1674
1675                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1676                 call_hooks('profile_tabs', $arr);
1677
1678                 $tpl = get_markup_template('common_tabs.tpl');
1679
1680                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1681         }
1682 }
1683
1684 function get_my_url() {
1685         if(x($_SESSION,'my_url'))
1686                 return $_SESSION['my_url'];
1687         return false;
1688 }
1689
1690 function zrl_init(&$a) {
1691         $tmp_str = get_my_url();
1692         if(validate_url($tmp_str)) {
1693                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1694                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1695                 call_hooks('zrl_init',$arr);
1696         }
1697 }
1698
1699 function zrl($s,$force = false) {
1700         if(! strlen($s))
1701                 return $s;
1702         if((! strpos($s,'/profile/')) && (! $force))
1703                 return $s;
1704         if($force && substr($s,-1,1) !== '/')
1705                 $s = $s . '/';
1706         $achar = strpos($s,'?') ? '&' : '?';
1707         $mine = get_my_url();
1708         if($mine and ! link_compare($mine,$s))
1709                 return $s . $achar . 'zrl=' . urlencode($mine);
1710         return $s;
1711 }
1712
1713 /**
1714 * returns querystring as string from a mapped array
1715 *
1716 * @param params Array
1717 * @return string
1718 */
1719 function build_querystring($params, $name=null) {
1720     $ret = "";
1721     foreach($params as $key=>$val) {
1722         if(is_array($val)) {
1723             if($name==null) {
1724                 $ret .= build_querystring($val, $key);
1725             } else {
1726                 $ret .= build_querystring($val, $name."[$key]");
1727             }
1728         } else {
1729             $val = urlencode($val);
1730             if($name!=null) {
1731                 $ret.=$name."[$key]"."=$val&";
1732             } else {
1733                 $ret.= "$key=$val&";
1734             }
1735         }
1736     }
1737     return $ret;
1738 }