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',      '3.0.1527' );
  15 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  16 define ( 'DB_UPDATE_VERSION',      1156      );
  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
 287         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 288
 289         set_time_limit(0);
 290
 291         // This has to be quite large to deal with embedded private photos
 292         ini_set('pcre.backtrack_limit', 500000);
 293
 294
 295         if (get_magic_quotes_gpc()) {
 296                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 297                 while (list($key, $val) = each($process)) {
 298                         foreach ($val as $k => $v) {
 299                                 unset($process[$key][$k]);
 300                                 if (is_array($v)) {
 301                                         $process[$key][stripslashes($k)] = $v;
 302                                         $process[] = &$process[$key][stripslashes($k)];
 303                                 } else {
 304                                         $process[$key][stripslashes($k)] = stripslashes($v);
 305                                 }
 306                         }
 307                 }
 308                 unset($process);
 309         }
 310
 311 }
 312
 313 /**
 314  *
 315  * class: App
 316  *
 317  * Our main application structure for the life of this page
 318  * Primarily deals with the URL that got us here
 319  * and tries to make some sense of it, and
 320  * stores our page contents and config storage
 321  * and anything else that might need to be passed around
 322  * before we spit the page out.
 323  *
 324  */
 325
 326 if(! class_exists('App')) {
 327         class App {
 328
 329                 public  $module_loaded = false;
 330                 public  $query_string;
 331                 public  $config;
 332                 public  $page;
 333                 public  $profile;
 334                 public  $user;
 335                 public  $cid;
 336                 public  $contact;
 337                 public  $contacts;
 338                 public  $page_contact;
 339                 public  $content;
 340                 public  $data = array();
 341                 public  $error = false;
 342                 public  $cmd;
 343                 public  $argv;
 344                 public  $argc;
 345                 public  $module;
 346                 public  $pager;
 347                 public  $strings;
 348                 public  $path;
 349                 public  $hooks;
 350                 public  $timezone;
 351                 public  $interactive = true;
 352                 public  $plugins;
 353                 public  $apps = array();
 354                 public  $identities;
 355                 public  $is_mobile;
 356                 public  $is_tablet;
 357
 358                 public $nav_sel;
 359
 360                 public $category;
 361
 362                 // Allow themes to control internal parameters
 363                 // by changing App values in theme.php
 364
 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                 // An array for all theme-controllable parameters
 372                 // Mostly unimplemented yet. Only options 'stylesheet' and
 373                 // beyond are used.
 374
 375                 public  $theme = array(
 376                         'sourcename' => '',
 377                         'videowidth' => 425,
 378                         'videoheight' => 350,
 379                         'force_max_items' => 0,
 380                         'thread_allow' => true,
 381                         'stylesheet' => ''
 382                 );
 383
 384                 private $scheme;
 385                 private $hostname;
 386                 private $baseurl;
 387                 private $db;
 388
 389                 private $curl_code;
 390                 private $curl_headers;
 391
 392                 private $cached_profile_image;
 393                 private $cached_profile_picdate;
 394
 395                 function __construct() {
 396
 397                         global $default_timezone, $argv, $argc;
 398
 399                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 400
 401                         date_default_timezone_set($this->timezone);
 402
 403                         $this->config = array();
 404                         $this->page = array();
 405                         $this->pager= array();
 406
 407                         $this->query_string = '';
 408
 409                         startup();
 410
 411                         $this->scheme = 'http';
 412                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 413                                 $this->scheme = 'https';
 414                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 415                         $this->scheme = 'https';
 416
 417                         if(x($_SERVER,'SERVER_NAME')) {
 418                                 $this->hostname = $_SERVER['SERVER_NAME'];
 419
 420                                 // See bug 437 - this didn't work so disabling it
 421                                 //if(stristr($this->hostname,'xn--')) {
 422                                         // PHP or webserver may have converted idn to punycode, so
 423                                         // convert punycode back to utf-8
 424                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 425                                 //      $x = new idna_convert();
 426                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 427                                 //}
 428
 429                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 430                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 431                                 /**
 432                                  * Figure out if we are running at the top of a domain
 433                                  * or in a sub-directory and adjust accordingly
 434                                  */
 435
 436                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 437                                 if(isset($path) && strlen($path) && ($path != $this->path))
 438                                         $this->path = $path;
 439                         }
 440                         if (is_array($argv) && $argc>1 && !x($_SERVER,'SERVER_NAME') && substr(end($argv), 0, 4)=="http" ) {
 441                                 $this->set_baseurl(array_pop($argv) );
 442                         }
 443
 444                         set_include_path(
 445                                         "include/$this->hostname" . PATH_SEPARATOR
 446                                         . 'include' . PATH_SEPARATOR
 447                                         . 'library' . PATH_SEPARATOR
 448                                         . 'library/phpsec' . PATH_SEPARATOR
 449                                         . 'library/langdet' . PATH_SEPARATOR
 450                                         . '.' );
 451
 452
 453                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 454                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 455                                 // removing trailing / - maybe a nginx problem
 456                                 if (substr($this->query_string, 0, 1) == "/")
 457                                         $this->query_string = substr($this->query_string, 1);
 458                         }
 459                         if(x($_GET,'q'))
 460                                 $this->cmd = trim($_GET['q'],'/\\');
 461
 462                         // unix style "homedir"
 463
 464                         if(substr($this->cmd,0,1) === '~')
 465                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 466
 467                         // Diaspora style profile url
 468
 469                         if(substr($this->cmd,0,2) === 'u/')
 470                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 471
 472                         /**
 473                          *
 474                          * Break the URL path into C style argc/argv style arguments for our
 475                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 476                          * will be 3 (integer) and $this->argv will contain:
 477                          *   [0] => 'module'
 478                          *   [1] => 'arg1'
 479                          *   [2] => 'arg2'
 480                          *
 481                          *
 482                          * There will always be one argument. If provided a naked domain
 483                          * URL, $this->argv[0] is set to "home".
 484                          *
 485                          */
 486
 487                         $this->argv = explode('/',$this->cmd);
 488                         $this->argc = count($this->argv);
 489                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 490                                 $this->module = str_replace(".", "_", $this->argv[0]);
 491                                 $this->module = str_replace("-", "_", $this->module);
 492                         }
 493                         else {
 494                                 $this->argc = 1;
 495                                 $this->argv = array('home');
 496                                 $this->module = 'home';
 497                         }
 498
 499                         /**
 500                          * See if there is any page number information, and initialise
 501                          * pagination
 502                          */
 503
 504                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 505                         $this->pager['itemspage'] = 50;
 506                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 507                         if($this->pager['start'] < 0)
 508                                 $this->pager['start'] = 0;
 509                         $this->pager['total'] = 0;
 510
 511                         /**
 512                          * Detect mobile devices
 513                          */
 514
 515                         $mobile_detect = new Mobile_Detect();
 516                         $this->is_mobile = $mobile_detect->isMobile();
 517                         $this->is_tablet = $mobile_detect->isTablet();
 518                 }
 519
 520                 function get_baseurl($ssl = false) {
 521
 522                         $scheme = $this->scheme;
 523
 524                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 525                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 526                                         $scheme = 'https';
 527
 528                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 529                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 530
 531                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 532                                         if($ssl)
 533                                                 $scheme = 'https';
 534                                         else
 535                                                 $scheme = 'http';
 536                                 }
 537                         }
 538
 539                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 540                         return $this->baseurl;
 541                 }
 542
 543                 function set_baseurl($url) {
 544                         $parsed = @parse_url($url);
 545
 546                         $this->baseurl = $url;
 547
 548                         if($parsed) {
 549                                 $this->scheme = $parsed['scheme'];
 550
 551                                 $this->hostname = $parsed['host'];
 552                                 if(x($parsed,'port'))
 553                                         $this->hostname .= ':' . $parsed['port'];
 554                                 if(x($parsed,'path'))
 555                                         $this->path = trim($parsed['path'],'\\/');
 556                         }
 557
 558                 }
 559
 560                 function get_hostname() {
 561                         return $this->hostname;
 562                 }
 563
 564                 function set_hostname($h) {
 565                         $this->hostname = $h;
 566                 }
 567
 568                 function set_path($p) {
 569                         $this->path = trim(trim($p),'/');
 570                 }
 571
 572                 function get_path() {
 573                         return $this->path;
 574                 }
 575
 576                 function set_pager_total($n) {
 577                         $this->pager['total'] = intval($n);
 578                 }
 579
 580                 function set_pager_itemspage($n) {
 581                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 582                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 583
 584                 }
 585
 586                 function init_pagehead() {
 587                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 588                         if($interval < 10000)
 589                                 $interval = 40000;
 590
 591                         $this->page['title'] = $this->config['sitename'];
 592
 593                         /* put the head template at the beginning of page['htmlhead']
 594                          * since the code added by the modules frequently depends on it
 595                          * being first
 596                          */
 597                         if(!isset($this->page['htmlhead']))
 598                                 $this->page['htmlhead'] = '';
 599                         $tpl = get_markup_template('head.tpl');
 600                         $this->page['htmlhead'] = replace_macros($tpl,array(
 601                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 602                                 '$local_user' => local_user(),
 603                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 604                                 '$delitem' => t('Delete this item?'),
 605                                 '$comment' => t('Comment'),
 606                                 '$showmore' => t('show more'),
 607                                 '$showfewer' => t('show fewer'),
 608                                 '$update_interval' => $interval
 609                         )) . $this->page['htmlhead'];
 610                 }
 611
 612                 function init_page_end() {
 613                         if(!isset($this->page['end']))
 614                                 $this->page['end'] = '';
 615                         $tpl = get_markup_template('end.tpl');
 616                         $this->page['end'] = replace_macros($tpl,array(
 617                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
 618                         )) . $this->page['end'];
 619                 }
 620
 621                 function set_curl_code($code) {
 622                         $this->curl_code = $code;
 623                 }
 624
 625                 function get_curl_code() {
 626                         return $this->curl_code;
 627                 }
 628
 629                 function set_curl_headers($headers) {
 630                         $this->curl_headers = $headers;
 631                 }
 632
 633                 function get_curl_headers() {
 634                         return $this->curl_headers;
 635                 }
 636
 637                 function get_cached_avatar_image($avatar_image){
 638                         if($this->cached_profile_image[$avatar_image])
 639                                 return $this->cached_profile_image[$avatar_image];
 640
 641                         $path_parts = explode("/",$avatar_image);
 642                         $common_filename = $path_parts[count($path_parts)-1];
 643
 644                         if($this->cached_profile_picdate[$common_filename]){
 645                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 646                         } else {
 647                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 648                                         $common_filename);
 649                                 if(! count($r)){
 650                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 651                                 } else {
 652                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 653                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 654                                 }
 655                         }
 656                         return $this->cached_profile_image[$avatar_image];
 657                 }
 658
 659
 660         }
 661 }
 662
 663 // retrieve the App structure
 664 // useful in functions which require it but don't get it passed to them
 665
 666 if(! function_exists('get_app')) {
 667         function get_app() {
 668                 global $a;
 669                 return $a;
 670         }
 671 };
 672
 673
 674 // Multi-purpose function to check variable state.
 675 // Usage: x($var) or $x($array,'key')
 676 // returns false if variable/key is not set
 677 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 678 // e.g. x('') or x(0) returns 0;
 679
 680 if(! function_exists('x')) {
 681         function x($s,$k = NULL) {
 682                 if($k != NULL) {
 683                         if((is_array($s)) && (array_key_exists($k,$s))) {
 684                                 if($s[$k])
 685                                         return (int) 1;
 686                                 return (int) 0;
 687                 }
 688                         return false;
 689                 }
 690                 else {
 691                         if(isset($s)) {
 692                                 if($s) {
 693                                         return (int) 1;
 694                                 }
 695                                 return (int) 0;
 696                         }
 697                         return false;
 698                 }
 699         }
 700 }
 701
 702 // called from db initialisation if db is dead.
 703
 704 if(! function_exists('system_unavailable')) {
 705         function system_unavailable() {
 706                 include('system_unavailable.php');
 707                 system_down();
 708                 killme();
 709         }
 710 }
 711
 712
 713
 714 function clean_urls() {
 715         global $a;
 716         //      if($a->config['system']['clean_urls'])
 717         return true;
 718         //      return false;
 719 }
 720
 721 function z_path() {
 722         global $a;
 723         $base = $a->get_baseurl();
 724         if(! clean_urls())
 725                 $base .= '/?q=';
 726         return $base;
 727 }
 728
 729 function z_root() {
 730         global $a;
 731         return $a->get_baseurl();
 732 }
 733
 734 function absurl($path) {
 735         if(strpos($path,'/') === 0)
 736                 return z_path() . $path;
 737         return $path;
 738 }
 739
 740 function is_ajax() {
 741         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 742 }
 743
 744
 745 // Primarily involved with database upgrade, but also sets the
 746 // base url for use in cmdline programs which don't have
 747 // $_SERVER variables, and synchronising the state of installed plugins.
 748
 749
 750 if(! function_exists('check_config')) {
 751         function check_config(&$a) {
 752
 753                 $build = get_config('system','build');
 754                 if(! x($build))
 755                         $build = set_config('system','build',DB_UPDATE_VERSION);
 756
 757                 $url = get_config('system','url');
 758
 759                 // if the url isn't set or the stored url is radically different
 760                 // than the currently visited url, store the current value accordingly.
 761                 // "Radically different" ignores common variations such as http vs https
 762                 // and www.example.com vs example.com.
 763                 // We will only change the url to an ip address if there is no existing setting
 764
 765                 if(! x($url))
 766                         $url = set_config('system','url',$a->get_baseurl());
 767                 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
 768                         $url = set_config('system','url',$a->get_baseurl());
 769
 770
 771                 if($build != DB_UPDATE_VERSION) {
 772                         $stored = intval($build);
 773                         $current = intval(DB_UPDATE_VERSION);
 774                         if(($stored < $current) && file_exists('update.php')) {
 775
 776                                 load_config('database');
 777
 778                                 // We're reporting a different version than what is currently installed.
 779                                 // Run any existing update scripts to bring the database up to current.
 780
 781                                 require_once('update.php');
 782
 783                                 // make sure that boot.php and update.php are the same release, we might be
 784                                 // updating right this very second and the correct version of the update.php
 785                                 // file may not be here yet. This can happen on a very busy site.
 786
 787                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 788
 789                                         for($x = $stored; $x < $current; $x ++) {
 790                                                 if(function_exists('update_' . $x)) {
 791
 792                                                         // There could be a lot of processes running or about to run.
 793                                                         // We want exactly one process to run the update command.
 794                                                         // So store the fact that we're taking responsibility
 795                                                         // after first checking to see if somebody else already has.
 796
 797                                                         // If the update fails or times-out completely you may need to
 798                                                         // delete the config entry to try again.
 799
 800                                                         $t = get_config('database','update_' . $x);
 801                                                         if($t !== false)
 802                                                                 break;
 803                                                         set_config('database','update_' . $x, time());
 804
 805                                                         // call the specific update
 806
 807                                                         $func = 'update_' . $x;
 808                                                         $retval = $func();
 809                                                         if($retval) {
 810                                                                 //send the administrator an e-mail
 811                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 812                                                                 $email_msg = replace_macros($email_tpl, array(
 813                                                                         '$sitename' => $a->config['sitename'],
 814                                                                         '$siteurl' =>  $a->get_baseurl(),
 815                                                                         '$update' => $x,
 816                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 817                                                                 ));
 818                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 819
 820                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 821                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 822                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 823                                                                         . 'Content-transfer-encoding: 8bit' );
 824                                                                 //try the logger
 825                                                                 logger('CRITICAL: Update Failed: '. $x);
 826                                                                 break;
 827                                                         }
 828                                                         else {
 829                                                                 set_config('database','update_' . $x, 'success');
 830                                                                 set_config('system','build', $x + 1);
 831                                                         }
 832                                                 }
 833                                         }
 834                                 }
 835                         }
 836                 }
 837
 838                 /**
 839                  *
 840                  * Synchronise plugins:
 841                  *
 842                  * $a->config['system']['addon'] contains a comma-separated list of names
 843                  * of plugins/addons which are used on this system.
 844                  * Go through the database list of already installed addons, and if we have
 845                  * an entry, but it isn't in the config list, call the uninstall procedure
 846                  * and mark it uninstalled in the database (for now we'll remove it).
 847                  * Then go through the config list and if we have a plugin that isn't installed,
 848                  * call the install procedure and add it to the database.
 849                  *
 850                  */
 851
 852                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 853                 if(count($r))
 854                         $installed = $r;
 855                 else
 856                         $installed = array();
 857
 858                 $plugins = get_config('system','addon');
 859                 $plugins_arr = array();
 860
 861                 if($plugins)
 862                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 863
 864                 $a->plugins = $plugins_arr;
 865
 866                 $installed_arr = array();
 867
 868                 if(count($installed)) {
 869                         foreach($installed as $i) {
 870                                 if(! in_array($i['name'],$plugins_arr)) {
 871                                         uninstall_plugin($i['name']);
 872                                 }
 873                                 else {
 874                                         $installed_arr[] = $i['name'];
 875                                 }
 876                         }
 877                 }
 878
 879                 if(count($plugins_arr)) {
 880                         foreach($plugins_arr as $p) {
 881                                 if(! in_array($p,$installed_arr)) {
 882                                         install_plugin($p);
 883                                 }
 884                         }
 885                 }
 886
 887
 888                 load_hooks();
 889
 890                 return;
 891         }
 892 }
 893
 894
 895 function get_guid($size=16) {
 896         $exists = true; // assume by default that we don't have a unique guid
 897         do {
 898                 $s = random_string($size);
 899                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 900                 if(! count($r))
 901                         $exists = false;
 902         } while($exists);
 903         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 904         return $s;
 905 }
 906
 907
 908 // wrapper for adding a login box. If $register == true provide a registration
 909 // link. This will most always depend on the value of $a->config['register_policy'].
 910 // returns the complete html for inserting into the page
 911
 912 if(! function_exists('login')) {
 913         function login($register = false, $hiddens=false) {
 914                 $a = get_app();
 915                 $o = "";
 916                 $reg = false;
 917                 if ($register) {
 918                         $reg = array(
 919                                 'title' => t('Create a New Account'),
 920                                 'desc' => t('Register')
 921                         );
 922                 }
 923
 924                 $noid = get_config('system','no_openid');
 925
 926                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 927
 928                 if(local_user()) {
 929                         $tpl = get_markup_template("logout.tpl");
 930                 }
 931                 else {
 932                         $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
 933                                 '$baseurl'              => $a->get_baseurl(true)
 934                         ));
 935
 936                         $tpl = get_markup_template("login.tpl");
 937                         $_SESSION['return_url'] = $a->query_string;
 938                         $a->module = 'login';
 939                 }
 940
 941
 942                 $o .= replace_macros($tpl,array(
 943
 944                         '$dest_url'     => $dest_url,
 945                         '$logout'       => t('Logout'),
 946                         '$login'        => t('Login'),
 947
 948                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 949                         '$lpassword'    => array('password', t('Password: '), '', ''),
 950                         '$lremember'    => array('remember', t('Remember me'), 0, ''),
 951
 952                         '$openid'               => !$noid,
 953                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 954
 955                         '$hiddens'      => $hiddens,
 956
 957                         '$register'     => $reg,
 958
 959                         '$lostpass'     => t('Forgot your password?'),
 960                         '$lostlink'     => t('Password Reset'),
 961                 ));
 962
 963                 call_hooks('login_hook',$o);
 964
 965                 return $o;
 966         }
 967 }
 968
 969 // Used to end the current process, after saving session state.
 970
 971 if(! function_exists('killme')) {
 972         function killme() {
 973                 session_write_close();
 974                 exit;
 975         }
 976 }
 977
 978 // redirect to another URL and terminate this process.
 979
 980 if(! function_exists('goaway')) {
 981         function goaway($s) {
 982                 header("Location: $s");
 983                 killme();
 984         }
 985 }
 986
 987
 988 // Returns the uid of locally logged in user or false.
 989
 990 if(! function_exists('local_user')) {
 991         function local_user() {
 992                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 993                         return intval($_SESSION['uid']);
 994                 return false;
 995         }
 996 }
 997
 998 // Returns contact id of authenticated site visitor or false
 999
1000 if(! function_exists('remote_user')) {
1001         function remote_user() {
1002                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1003                         return intval($_SESSION['visitor_id']);
1004                 return false;
1005         }
1006 }
1007
1008 // contents of $s are displayed prominently on the page the next time
1009 // a page is loaded. Usually used for errors or alerts.
1010
1011 if(! function_exists('notice')) {
1012         /**
1013          * Show an error message to user.
1014          *
1015          * This function save text in session, to be shown to the user at next page load
1016          *
1017          * @param string $s - Text of notice
1018          */
1019         function notice($s) {
1020                 $a = get_app();
1021                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
1022                 if($a->interactive)
1023                         $_SESSION['sysmsg'][] = $s;
1024         }
1025 }
1026 if(! function_exists('info')) {
1027         /**
1028          * Show an info message to user.
1029          *
1030          * This function save text in session, to be shown to the user at next page load
1031          *
1032          * @param string $s - Text of notice
1033          */
1034         function info($s) {
1035                 $a = get_app();
1036                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
1037                 if($a->interactive)
1038                         $_SESSION['sysmsg_info'][] = $s;
1039         }
1040 }
1041
1042
1043 // wrapper around config to limit the text length of an incoming message
1044
1045 if(! function_exists('get_max_import_size')) {
1046         function get_max_import_size() {
1047                 global $a;
1048                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1049         }
1050 }
1051
1052
1053
1054 /**
1055  *
1056  * Function : profile_load
1057  * @parameter App    $a
1058  * @parameter string $nickname
1059  * @parameter int    $profile
1060  *
1061  * Summary: Loads a profile into the page sidebar.
1062  * The function requires a writeable copy of the main App structure, and the nickname
1063  * of a registered local account.
1064  *
1065  * If the viewer is an authenticated remote viewer, the profile displayed is the
1066  * one that has been configured for his/her viewing in the Contact manager.
1067  * Passing a non-zero profile ID can also allow a preview of a selected profile
1068  * by the owner.
1069  *
1070  * Profile information is placed in the App structure for later retrieval.
1071  * Honours the owner's chosen theme for display.
1072  *
1073  */
1074
1075 if(! function_exists('profile_load')) {
1076         function profile_load(&$a, $nickname, $profile = 0) {
1077
1078                 $user = q("select uid from user where nickname = '%s' limit 1",
1079                         dbesc($nickname)
1080                 );
1081
1082                 if(! ($user && count($user))) {
1083                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1084                         notice( t('Requested account is not available.') . EOL );
1085                         $a->error = 404;
1086                         return;
1087                 }
1088
1089                 if(remote_user() && count($_SESSION['remote'])) {
1090                         foreach($_SESSION['remote'] as $visitor) {
1091                                 if($visitor['uid'] == $user[0]['uid']) {
1092                                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1093                                                 intval($visitor['cid'])
1094                                         );
1095                                         if(count($r))
1096                                                 $profile = $r[0]['profile-id'];
1097                                         break;
1098                                 }
1099                         }
1100                 }
1101
1102                 $r = null;
1103
1104                 if($profile) {
1105                         $profile_int = intval($profile);
1106                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1107                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1108                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1109                                         dbesc($nickname),
1110                                         intval($profile_int)
1111                         );
1112                 }
1113                 if((! $r) && (!  count($r))) {
1114                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1115                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1116                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1117                                         dbesc($nickname)
1118                         );
1119                 }
1120
1121                 if(($r === false) || (! count($r))) {
1122                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1123                         notice( t('Requested profile is not available.') . EOL );
1124                         $a->error = 404;
1125                         return;
1126                 }
1127
1128                 // fetch user tags if this isn't the default profile
1129
1130                 if(! $r[0]['is-default']) {
1131                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1132                                         intval($profile_uid)
1133                         );
1134                         if($x && count($x))
1135                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1136                 }
1137
1138                 $a->profile = $r[0];
1139
1140                 $a->profile['mobile-theme'] = get_pconfig($profile_uid, 'system', 'mobile_theme');
1141
1142
1143                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1144                 $_SESSION['theme'] = $a->profile['theme'];
1145                 $_SESSION['mobile-theme'] = $a->profile['mobile-theme'];
1146
1147                 /**
1148                  * load/reload current theme info
1149                  */
1150
1151                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1152                 if (file_exists($theme_info_file)){
1153                         require_once($theme_info_file);
1154                 }
1155
1156                 if(! (x($a->page,'aside')))
1157                         $a->page['aside'] = '';
1158
1159                 if(local_user() && local_user() == $a->profile['uid']) {
1160                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1161                                 '$editprofile' => t('Edit profile'),
1162                                 '$profid' => $a->profile['id']
1163                         ));
1164                 }
1165
1166                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1167
1168                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1169
1170                 /*if(! $block)
1171                  $a->page['aside'] .= contact_block();*/
1172
1173                 return;
1174         }
1175 }
1176
1177
1178 /**
1179  *
1180  * Function: profile_sidebar
1181  *
1182  * Formats a profile for display in the sidebar.
1183  * It is very difficult to templatise the HTML completely
1184  * because of all the conditional logic.
1185  *
1186  * @parameter: array $profile
1187  *
1188  * Returns HTML string stuitable for sidebar inclusion
1189  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1190  *
1191  */
1192
1193
1194 if(! function_exists('profile_sidebar')) {
1195         function profile_sidebar($profile, $block = 0) {
1196
1197                 $a = get_app();
1198
1199                 $o = '';
1200                 $location = false;
1201                 $address = false;
1202                 $pdesc = true;
1203
1204                 if((! is_array($profile)) && (! count($profile)))
1205                         return $o;
1206
1207                 $profile['picdate'] = urlencode($profile['picdate']);
1208
1209                 call_hooks('profile_sidebar_enter', $profile);
1210
1211
1212                 // don't show connect link to yourself
1213                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1214
1215                 // don't show connect link to authenticated visitors either
1216
1217                 if(remote_user() && count($_SESSION['remote'])) {
1218                         foreach($_SESSION['remote'] as $visitor) {
1219                                 if($visitor['uid'] == $profile['uid']) {
1220                                         $connect = false;
1221                                         break;
1222                                 }
1223                         }
1224                 }
1225
1226                 if(get_my_url() && $profile['unkmail'])
1227                         $wallmessage = t('Message');
1228                 else
1229                         $wallmessage = false;
1230
1231
1232
1233                 // show edit profile to yourself
1234                 if ($profile['uid'] == local_user()) {
1235                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1236
1237                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1238                                         local_user());
1239
1240                         $profile['menu'] = array(
1241                                 'chg_photo' => t('Change profile photo'),
1242                                 'cr_new' => t('Create New Profile'),
1243                                 'entries' => array(),
1244                         );
1245
1246                         if(count($r)) {
1247
1248                                 foreach($r as $rr) {
1249                                         $profile['menu']['entries'][] = array(
1250                                                 'photo' => $rr['thumb'],
1251                                                 'id' => $rr['id'],
1252                                                 'alt' => t('Profile Image'),
1253                                                 'profile_name' => $rr['profile-name'],
1254                                                 'isdefault' => $rr['is-default'],
1255                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1256                                                 'edit_visibility' => t('Edit visibility'),
1257
1258                                         );
1259                                 }
1260
1261
1262                         }
1263
1264
1265                 }
1266
1267
1268
1269
1270                 if((x($profile,'address') == 1)
1271                                 || (x($profile,'locality') == 1)
1272                                 || (x($profile,'region') == 1)
1273                                 || (x($profile,'postal-code') == 1)
1274                                 || (x($profile,'country-name') == 1))
1275                         $location = t('Location:');
1276
1277                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1278
1279
1280                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1281
1282                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1283
1284                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1285                         $location = $pdesc = $gender = $marital = $homepage = False;
1286                 }
1287
1288                 $firstname = ((strpos($profile['name'],' '))
1289                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1290                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1291
1292                 $diaspora = array(
1293                         'podloc' => $a->get_baseurl(),
1294                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1295                         'nickname' => $profile['nickname'],
1296                         'fullname' => $profile['name'],
1297                         'firstname' => $firstname,
1298                         'lastname' => $lastname,
1299                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1300                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1301                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1302                 );
1303
1304                 if (!$block){
1305                         $contact_block = contact_block();
1306                 }
1307
1308
1309                 $tpl = get_markup_template('profile_vcard.tpl');
1310
1311                 $o .= replace_macros($tpl, array(
1312                         '$profile' => $profile,
1313                         '$connect'  => $connect,
1314                         '$wallmessage' => $wallmessage,
1315                         '$location' => template_escape($location),
1316                         '$gender'   => $gender,
1317                         '$pdesc'        => $pdesc,
1318                         '$marital'  => $marital,
1319                         '$homepage' => $homepage,
1320                         '$diaspora' => $diaspora,
1321                         '$contact_block' => $contact_block,
1322                 ));
1323
1324
1325                 $arr = array('profile' => &$profile, 'entry' => &$o);
1326
1327                 call_hooks('profile_sidebar', $arr);
1328
1329                 return $o;
1330         }
1331 }
1332
1333
1334 if(! function_exists('get_birthdays')) {
1335         function get_birthdays() {
1336
1337                 $a = get_app();
1338                 $o = '';
1339
1340                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1341                         return $o;
1342
1343 //              $mobile_detect = new Mobile_Detect();
1344 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1345
1346 //              if($is_mobile)
1347 //                      return $o;
1348
1349                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1350                 $bd_short = t('F d');
1351
1352                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1353                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1354                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1355                                 ORDER BY `start` ASC ",
1356                                 intval(local_user()),
1357                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1358                                 dbesc(datetime_convert('UTC','UTC','now'))
1359                 );
1360
1361                 if($r && count($r)) {
1362                         $total = 0;
1363                         $now = strtotime('now');
1364                         $cids = array();
1365
1366                         $istoday = false;
1367                         foreach($r as $rr) {
1368                                 if(strlen($rr['name']))
1369                                         $total ++;
1370                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1371                                         $istoday = true;
1372                         }
1373                         $classtoday = $istoday ? ' birthday-today ' : '';
1374                         if($total) {
1375                                 foreach($r as &$rr) {
1376                                         if(! strlen($rr['name']))
1377                                                 continue;
1378
1379                                         // avoid duplicates
1380
1381                                         if(in_array($rr['cid'],$cids))
1382                                                 continue;
1383                                         $cids[] = $rr['cid'];
1384
1385                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1386                                         $sparkle = '';
1387                                         $url = $rr['url'];
1388                                         if($rr['network'] === NETWORK_DFRN) {
1389                                                 $sparkle = " sparkle";
1390                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1391                                         }
1392
1393                                         $rr['link'] = $url;
1394                                         $rr['title'] = $rr['name'];
1395                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1396                                         $rr['startime'] = Null;
1397                                         $rr['today'] = $today;
1398
1399                                 }
1400                         }
1401                 }
1402                 $tpl = get_markup_template("birthdays_reminder.tpl");
1403                 return replace_macros($tpl, array(
1404                         '$baseurl' => $a->get_baseurl(),
1405                         '$classtoday' => $classtoday,
1406                         '$count' => $total,
1407                         '$event_reminders' => t('Birthday Reminders'),
1408                         '$event_title' => t('Birthdays this week:'),
1409                         '$events' => $r,
1410                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1411                         '$rbr' => '}'
1412
1413                 ));
1414         }
1415 }
1416
1417
1418 if(! function_exists('get_events')) {
1419         function get_events() {
1420
1421                 require_once('include/bbcode.php');
1422
1423                 $a = get_app();
1424
1425                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1426                         return $o;
1427
1428
1429 //              $mobile_detect = new Mobile_Detect();
1430 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1431
1432 //              if($is_mobile)
1433 //                      return $o;
1434
1435                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1436                 $bd_short = t('F d');
1437
1438                 $r = q("SELECT `event`.* FROM `event`
1439                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1440                                 ORDER BY `start` ASC ",
1441                                 intval(local_user()),
1442                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1443                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1444                 );
1445
1446                 if($r && count($r)) {
1447                         $now = strtotime('now');
1448                         $istoday = false;
1449                         foreach($r as $rr) {
1450                                 if(strlen($rr['name']))
1451                                         $total ++;
1452
1453                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1454                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1455                                         $istoday = true;
1456                         }
1457                         $classtoday = (($istoday) ? 'event-today' : '');
1458
1459
1460                         foreach($r as &$rr) {
1461                                 if($rr['adjust'])
1462                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1463                                 else
1464                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1465                                 $md .= "/#link-".$rr['id'];
1466
1467                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1468                                 if(! $title)
1469                                         $title = t('[No description]');
1470
1471                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1472                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1473
1474                                 $rr['link'] = $md;
1475                                 $rr['title'] = $title;
1476                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1477                                 $rr['startime'] = $strt;
1478                                 $rr['today'] = $today;
1479                         }
1480                 }
1481
1482                 $tpl = get_markup_template("events_reminder.tpl");
1483                 return replace_macros($tpl, array(
1484                         '$baseurl' => $a->get_baseurl(),
1485                         '$classtoday' => $classtoday,
1486                         '$count' => count($r),
1487                         '$event_reminders' => t('Event Reminders'),
1488                         '$event_title' => t('Events this week:'),
1489                         '$events' => $r,
1490                 ));
1491         }
1492 }
1493
1494
1495 /**
1496  *
1497  * Wrap calls to proc_close(proc_open()) and call hook
1498  * so plugins can take part in process :)
1499  *
1500  * args:
1501  * $cmd program to run
1502  *  next args are passed as $cmd command line
1503  *
1504  * e.g.: proc_run("ls","-la","/tmp");
1505  *
1506  * $cmd and string args are surrounded with ""
1507  */
1508
1509 if(! function_exists('proc_run')) {
1510         function proc_run($cmd){
1511
1512                 $a = get_app();
1513
1514                 $args = func_get_args();
1515
1516                 $newargs = array();
1517                 if(! count($args))
1518                         return;
1519
1520                 // expand any arrays
1521
1522                 foreach($args as $arg) {
1523                         if(is_array($arg)) {
1524                                 foreach($arg as $n) {
1525                                         $newargs[] = $n;
1526                                 }
1527                         }
1528                         else
1529                                 $newargs[] = $arg;
1530                 }
1531
1532                 $args = $newargs;
1533
1534                 $arr = array('args' => $args, 'run_cmd' => true);
1535
1536                 call_hooks("proc_run", $arr);
1537                 if(! $arr['run_cmd'])
1538                         return;
1539
1540                 if(count($args) && $args[0] === 'php')
1541                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1542
1543         // add baseurl to args. cli scripts can't construct it
1544         $args[] = $a->get_baseurl();
1545
1546         for($x = 0; $x < count($args); $x ++)
1547                         $args[$x] = escapeshellarg($args[$x]);
1548
1549
1550
1551                 $cmdline = implode($args," ");
1552                 if(get_config('system','proc_windows'))
1553                         proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
1554                 else
1555                         proc_close(proc_open($cmdline." &",array(),$foo,dirname(__FILE__)));
1556         }
1557 }
1558
1559 if(! function_exists('current_theme')) {
1560         function current_theme(){
1561                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1562
1563                 $a = get_app();
1564
1565 //              $mobile_detect = new Mobile_Detect();
1566 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1567                 $is_mobile = $a->is_mobile || $a->is_tablet;
1568
1569                 if($is_mobile) {
1570                         if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
1571                                 $system_theme = '';
1572                                 $theme_name = '';
1573                         }
1574                         else {
1575                                 $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1576                                 $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1577
1578                                 if($theme_name === '---') {
1579                                         // user has selected to have the mobile theme be the same as the normal one
1580                                         $system_theme = '';
1581                                         $theme_name = '';
1582                                 }
1583                         }
1584                 }
1585                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1586                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1587                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1588                 }
1589
1590                 if($theme_name &&
1591                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1592                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1593                         return($theme_name);
1594
1595                 foreach($app_base_themes as $t) {
1596                         if(file_exists('view/theme/' . $t . '/style.css')||
1597                                         file_exists('view/theme/' . $t . '/style.php'))
1598                                 return($t);
1599                 }
1600
1601                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1602                 if(count($fallback))
1603                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1604
1605         }
1606 }
1607
1608 /*
1609  * Return full URL to theme which is currently in effect.
1610 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1611 */
1612 if(! function_exists('current_theme_url')) {
1613         function current_theme_url() {
1614                 global $a;
1615                 $t = current_theme();
1616                 if (file_exists('view/theme/' . $t . '/style.php'))
1617                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1618                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1619         }
1620 }
1621
1622 if(! function_exists('feed_birthday')) {
1623         function feed_birthday($uid,$tz) {
1624
1625                 /**
1626                  *
1627                  * Determine the next birthday, but only if the birthday is published
1628                  * in the default profile. We _could_ also look for a private profile that the
1629                  * recipient can see, but somebody could get mad at us if they start getting
1630                  * public birthday greetings when they haven't made this info public.
1631                  *
1632                  * Assuming we are able to publish this info, we are then going to convert
1633                  * the start time from the owner's timezone to UTC.
1634                  *
1635                  * This will potentially solve the problem found with some social networks
1636                  * where birthdays are converted to the viewer's timezone and salutations from
1637                  * elsewhere in the world show up on the wrong day. We will convert it to the
1638                  * viewer's timezone also, but first we are going to convert it from the birthday
1639                  * person's timezone to GMT - so the viewer may find the birthday starting at
1640                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1641                  *
1642                  */
1643
1644
1645                 $birthday = '';
1646
1647                 if(! strlen($tz))
1648                         $tz = 'UTC';
1649
1650                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1651                                 intval($uid)
1652                 );
1653
1654                 if($p && count($p)) {
1655                         $tmp_dob = substr($p[0]['dob'],5);
1656                         if(intval($tmp_dob)) {
1657                                 $y = datetime_convert($tz,$tz,'now','Y');
1658                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1659                                 $t_dob = strtotime($bd);
1660                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1661                                 if($t_dob < $now)
1662                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1663                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1664                         }
1665                 }
1666
1667                 return $birthday;
1668         }
1669 }
1670
1671 if(! function_exists('is_site_admin')) {
1672         function is_site_admin() {
1673                 $a = get_app();
1674                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1675                         return true;
1676                 return false;
1677         }
1678 }
1679
1680
1681 if(! function_exists('load_contact_links')) {
1682         function load_contact_links($uid) {
1683
1684                 $a = get_app();
1685
1686                 $ret = array();
1687
1688                 if(! $uid || x($a->contacts,'empty'))
1689                         return;
1690
1691                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1692                                 intval($uid)
1693                 );
1694                 if(count($r)) {
1695                         foreach($r as $rr){
1696                                 $url = normalise_link($rr['url']);
1697                                 $ret[$url] = $rr;
1698                         }
1699                 }
1700                 else
1701                         $ret['empty'] = true;
1702                 $a->contacts = $ret;
1703                 return;
1704         }
1705 }
1706
1707 if(! function_exists('profile_tabs')){
1708         function profile_tabs($a, $is_owner=False, $nickname=Null){
1709                 //echo "<pre>"; var_dump($a->user); killme();
1710
1711                 if (is_null($nickname))
1712                         $nickname  = $a->user['nickname'];
1713
1714                 if(x($_GET,'tab'))
1715                         $tab = notags(trim($_GET['tab']));
1716
1717                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1718
1719                 $tabs = array(
1720                         array(
1721                                 'label'=>t('Status'),
1722                                 'url' => $url,
1723                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1724                                 'title' => t('Status Messages and Posts'),
1725                                 'id' => 'status-tab',
1726                         ),
1727                         array(
1728                                 'label' => t('Profile'),
1729                                 'url'   => $url.'/?tab=profile',
1730                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1731                                 'title' => t('Profile Details'),
1732                                 'id' => 'profile-tab',
1733                         ),
1734                         array(
1735                                 'label' => t('Photos'),
1736                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1737                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1738                                 'title' => t('Photo Albums'),
1739                                 'id' => 'photo-tab',
1740                         ),
1741                 );
1742
1743                 if ($is_owner){
1744                         $tabs[] = array(
1745                                 'label' => t('Events'),
1746                                 'url'   => $a->get_baseurl() . '/events',
1747                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1748                                 'title' => t('Events and Calendar'),
1749                                 'id' => 'events-tab',
1750                         );
1751                         $tabs[] = array(
1752                                 'label' => t('Personal Notes'),
1753                                 'url'   => $a->get_baseurl() . '/notes',
1754                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1755                                 'title' => t('Only You Can See This'),
1756                                 'id' => 'notes-tab',
1757                         );
1758                 }
1759
1760
1761                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1762                 call_hooks('profile_tabs', $arr);
1763
1764                 $tpl = get_markup_template('common_tabs.tpl');
1765
1766                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1767         }
1768 }
1769
1770 function get_my_url() {
1771         if(x($_SESSION,'my_url'))
1772                 return $_SESSION['my_url'];
1773         return false;
1774 }
1775
1776 function zrl_init(&$a) {
1777         $tmp_str = get_my_url();
1778         if(validate_url($tmp_str)) {
1779                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1780                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1781                 call_hooks('zrl_init',$arr);
1782         }
1783 }
1784
1785 function zrl($s,$force = false) {
1786         if(! strlen($s))
1787                 return $s;
1788         if((! strpos($s,'/profile/')) && (! $force))
1789                 return $s;
1790         if($force && substr($s,-1,1) !== '/')
1791                 $s = $s . '/';
1792         $achar = strpos($s,'?') ? '&' : '?';
1793         $mine = get_my_url();
1794         if($mine and ! link_compare($mine,$s))
1795                 return $s . $achar . 'zrl=' . urlencode($mine);
1796         return $s;
1797 }
1798
1799 /**
1800 * returns querystring as string from a mapped array
1801 *
1802 * @param params Array
1803 * @return string
1804 */
1805 function build_querystring($params, $name=null) {
1806     $ret = "";
1807     foreach($params as $key=>$val) {
1808         if(is_array($val)) {
1809             if($name==null) {
1810                 $ret .= build_querystring($val, $key);
1811             } else {
1812                 $ret .= build_querystring($val, $name."[$key]");
1813             }
1814         } else {
1815             $val = urlencode($val);
1816             if($name!=null) {
1817                 $ret.=$name."[$key]"."=$val&";
1818             } else {
1819                 $ret.= "$key=$val&";
1820             }
1821         }
1822     }
1823     return $ret;
1824 }
1825
1826 /**
1827 * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
1828 *
1829 * Taken from http://webcheatsheet.com/php/get_current_page_url.php
1830 */
1831 function curPageURL() {
1832         $pageURL = 'http';
1833         if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
1834         $pageURL .= "://";
1835         if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
1836                 $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
1837         } else {
1838                 $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
1839         }
1840         return $pageURL;
1841 }
1842
1843 function random_digits($digits) {
1844         $rn = '';
1845         for($i = 0; $i < $digits; $i++) {
1846                 $rn .= rand(0,9);
1847         }
1848         return $rn;
1849 }
1850
1851 function get_cachefile($file, $writemode = true) {
1852         $cache = get_config("system","itemcache");
1853
1854         if ($cache == "")
1855                 return("");
1856
1857         if (!is_dir($cache))
1858                 return("");
1859
1860         $subfolder = $cache."/".substr($file, 0, 2);
1861
1862         $cachepath = $subfolder."/".$file;
1863
1864         if ($writemode) {
1865                 if (!is_dir($subfolder)) {
1866                         mkdir($subfolder);
1867                         chmod($subfolder, 0777);
1868                 }
1869         }
1870
1871         return($cachepath);
1872 }
1873
1874 function clear_cache($basepath = "", $path = "") {
1875         if ($path == "") {
1876                 $basepath = get_config('system','itemcache');
1877                 $path = $basepath;
1878         }
1879
1880         if (($path == "") OR (!is_dir($path)))
1881                 return;
1882
1883         if (substr(realpath($path), 0, strlen($basepath)) != $basepath)
1884                 return;
1885
1886         $cachetime = (int)get_config('system','itemcache_duration');
1887         if ($cachetime == 0)
1888                 $cachetime = 86400;
1889
1890         if ($dh = opendir($path)) {
1891                 while (($file = readdir($dh)) !== false) {
1892                         $fullpath = $path."/".$file;
1893                         if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != ".."))
1894                                 clear_cache($basepath, $fullpath);
1895                         if ((filetype($fullpath) == "file") and filectime($fullpath) < (time() - $cachetime))
1896                                 unlink($fullpath);
1897                 }
1898                 closedir($dh);
1899         }
1900 }