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 require_once('include/features.php');
  13
  14 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  15 define ( 'FRIENDICA_VERSION',      '3.1.1699' );
  16 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  17 define ( 'DB_UPDATE_VERSION',      1163      );
  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 define ( 'TERM_SAVEDSEARCH', 6 );
 211 define ( 'TERM_CONVERSATION', 7 );
 212
 213 define ( 'TERM_OBJ_POST',  1 );
 214 define ( 'TERM_OBJ_PHOTO', 2 );
 215
 216
 217
 218 /**
 219  * various namespaces we may need to parse
 220  */
 221
 222 define ( 'NAMESPACE_ZOT',             'http://purl.org/zot' );
 223 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 224 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 225 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 226 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 227 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 228 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 229 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 230 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 231 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 232 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 233 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 234 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 235 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 236 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 237 /**
 238  * activity stream defines
 239  */
 240
 241 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 242 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 243 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 244
 245 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 246 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 247 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 248 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 249 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 250 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 251
 252 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 253 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 254 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 255 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 256
 257 define ( 'ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke' );
 258 define ( 'ACTIVITY_MOOD',        NAMESPACE_ZOT . '/activity/mood' );
 259
 260 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 261 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 262 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 263 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 264 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 265 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 266 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 267 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 268 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 269 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 270
 271 /**
 272  * item weight for query ordering
 273  */
 274
 275 define ( 'GRAVITY_PARENT',       0);
 276 define ( 'GRAVITY_LIKE',         3);
 277 define ( 'GRAVITY_COMMENT',      6);
 278
 279 /**
 280  *
 281  * Reverse the effect of magic_quotes_gpc if it is enabled.
 282  * Please disable magic_quotes_gpc so we don't have to do this.
 283  * See http://php.net/manual/en/security.magicquotes.disabling.php
 284  *
 285  */
 286
 287 function startup() {
 288
 289         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 290
 291         set_time_limit(0);
 292
 293         // This has to be quite large to deal with embedded private photos
 294         ini_set('pcre.backtrack_limit', 500000);
 295
 296
 297         if (get_magic_quotes_gpc()) {
 298                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 299                 while (list($key, $val) = each($process)) {
 300                         foreach ($val as $k => $v) {
 301                                 unset($process[$key][$k]);
 302                                 if (is_array($v)) {
 303                                         $process[$key][stripslashes($k)] = $v;
 304                                         $process[] = &$process[$key][stripslashes($k)];
 305                                 } else {
 306                                         $process[$key][stripslashes($k)] = stripslashes($v);
 307                                 }
 308                         }
 309                 }
 310                 unset($process);
 311         }
 312
 313 }
 314
 315 /**
 316  *
 317  * class: App
 318  *
 319  * Our main application structure for the life of this page
 320  * Primarily deals with the URL that got us here
 321  * and tries to make some sense of it, and
 322  * stores our page contents and config storage
 323  * and anything else that might need to be passed around
 324  * before we spit the page out.
 325  *
 326  */
 327
 328 if(! class_exists('App')) {
 329         class App {
 330
 331                 public  $module_loaded = false;
 332                 public  $query_string;
 333                 public  $config;
 334                 public  $page;
 335                 public  $profile;
 336                 public  $user;
 337                 public  $cid;
 338                 public  $contact;
 339                 public  $contacts;
 340                 public  $page_contact;
 341                 public  $content;
 342                 public  $data = array();
 343                 public  $error = false;
 344                 public  $cmd;
 345                 public  $argv;
 346                 public  $argc;
 347                 public  $module;
 348                 public  $pager;
 349                 public  $strings;
 350                 public  $path;
 351                 public  $hooks;
 352                 public  $timezone;
 353                 public  $interactive = true;
 354                 public  $plugins;
 355                 public  $apps = array();
 356                 public  $identities;
 357                 public  $is_mobile;
 358                 public  $is_tablet;
 359                 public  $performance = array();
 360
 361                 public $nav_sel;
 362
 363                 public $category;
 364
 365
 366                 // Allow themes to control internal parameters
 367                 // by changing App values in theme.php
 368
 369                 public  $sourcename = '';
 370                 public  $videowidth = 425;
 371                 public  $videoheight = 350;
 372                 public  $force_max_items = 0;
 373                 public  $theme_thread_allow = true;
 374
 375                 // An array for all theme-controllable parameters
 376                 // Mostly unimplemented yet. Only options 'stylesheet' and
 377                 // beyond are used.
 378
 379                 public  $theme = array(
 380                         'sourcename' => '',
 381                         'videowidth' => 425,
 382                         'videoheight' => 350,
 383                         'force_max_items' => 0,
 384                         'thread_allow' => true,
 385                         'stylesheet' => '',
 386                         'template_engine' => 'smarty3',
 387                 );
 388
 389                 // array of registered template engines ('name'=>'class name')
 390                 public $template_engines = array();
 391                 // array of instanced template engines ('name'=>'instance')
 392                 public $template_engine_instance = array();
 393
 394                 private $ldelim = array(
 395                         'internal' => '',
 396                         'smarty3' => '{{'
 397                 );
 398                 private $rdelim = array(
 399                         'internal' => '',
 400                         'smarty3' => '}}'
 401                 );
 402
 403                 private $scheme;
 404                 private $hostname;
 405                 private $baseurl;
 406                 private $db;
 407
 408                 private $curl_code;
 409                 private $curl_content_type;
 410                 private $curl_headers;
 411
 412                 private $cached_profile_image;
 413                 private $cached_profile_picdate;
 414
 415                 function __construct() {
 416
 417                         global $default_timezone, $argv, $argc;
 418
 419                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 420
 421                         date_default_timezone_set($this->timezone);
 422
 423                         $this->performance["start"] = microtime(true);
 424                         $this->performance["database"] = 0;
 425                         $this->performance["network"] = 0;
 426                         $this->performance["file"] = 0;
 427                         $this->performance["rendering"] = 0;
 428                         $this->performance["parser"] = 0;
 429                         $this->performance["marktime"] = 0;
 430                         $this->performance["markstart"] = microtime(true);
 431
 432                         $this->config = array();
 433                         $this->page = array();
 434                         $this->pager= array();
 435
 436                         $this->query_string = '';
 437
 438                         startup();
 439
 440                         $this->scheme = 'http';
 441                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 442                                 $this->scheme = 'https';
 443                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 444                         $this->scheme = 'https';
 445
 446                         if(x($_SERVER,'SERVER_NAME')) {
 447                                 $this->hostname = $_SERVER['SERVER_NAME'];
 448
 449                                 // See bug 437 - this didn't work so disabling it
 450                                 //if(stristr($this->hostname,'xn--')) {
 451                                         // PHP or webserver may have converted idn to punycode, so
 452                                         // convert punycode back to utf-8
 453                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 454                                 //      $x = new idna_convert();
 455                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 456                                 //}
 457
 458                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 459                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 460                                 /**
 461                                  * Figure out if we are running at the top of a domain
 462                                  * or in a sub-directory and adjust accordingly
 463                                  */
 464
 465                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 466                                 if(isset($path) && strlen($path) && ($path != $this->path))
 467                                         $this->path = $path;
 468                         }
 469                         if (is_array($argv) && $argc>1 && substr(end($argv), 0, 4)=="http" ) {
 470                                 $this->set_baseurl(array_pop($argv) );
 471                                 $argc --;
 472                         }
 473
 474                         set_include_path(
 475                                         "include/$this->hostname" . PATH_SEPARATOR
 476                                         . 'include' . PATH_SEPARATOR
 477                                         . 'library' . PATH_SEPARATOR
 478                                         . 'library/phpsec' . PATH_SEPARATOR
 479                                         . 'library/langdet' . PATH_SEPARATOR
 480                                         . '.' );
 481
 482
 483                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 484                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 485                                 // removing trailing / - maybe a nginx problem
 486                                 if (substr($this->query_string, 0, 1) == "/")
 487                                         $this->query_string = substr($this->query_string, 1);
 488                         }
 489                         if(x($_GET,'q'))
 490                                 $this->cmd = trim($_GET['q'],'/\\');
 491
 492                         // unix style "homedir"
 493
 494                         if(substr($this->cmd,0,1) === '~')
 495                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 496
 497                         // Diaspora style profile url
 498
 499                         if(substr($this->cmd,0,2) === 'u/')
 500                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 501
 502                         /**
 503                          *
 504                          * Break the URL path into C style argc/argv style arguments for our
 505                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 506                          * will be 3 (integer) and $this->argv will contain:
 507                          *   [0] => 'module'
 508                          *   [1] => 'arg1'
 509                          *   [2] => 'arg2'
 510                          *
 511                          *
 512                          * There will always be one argument. If provided a naked domain
 513                          * URL, $this->argv[0] is set to "home".
 514                          *
 515                          */
 516
 517                         $this->argv = explode('/',$this->cmd);
 518                         $this->argc = count($this->argv);
 519                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 520                                 $this->module = str_replace(".", "_", $this->argv[0]);
 521                                 $this->module = str_replace("-", "_", $this->module);
 522                         }
 523                         else {
 524                                 $this->argc = 1;
 525                                 $this->argv = array('home');
 526                                 $this->module = 'home';
 527                         }
 528
 529                         /**
 530                          * See if there is any page number information, and initialise
 531                          * pagination
 532                          */
 533
 534                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 535                         $this->pager['itemspage'] = 50;
 536                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 537                         if($this->pager['start'] < 0)
 538                                 $this->pager['start'] = 0;
 539                         $this->pager['total'] = 0;
 540
 541                         /**
 542                          * Detect mobile devices
 543                          */
 544
 545                         $mobile_detect = new Mobile_Detect();
 546                         $this->is_mobile = $mobile_detect->isMobile();
 547                         $this->is_tablet = $mobile_detect->isTablet();
 548
 549                         /**
 550                          * register template engines
 551                          */
 552                         $dc = get_declared_classes();
 553                         foreach ($dc as $k) {
 554                                 if (in_array("ITemplateEngine", class_implements($k))){
 555                                         $this->register_template_engine($k);
 556                                 }
 557                         }
 558
 559                 }
 560
 561                 function get_basepath() {
 562
 563                         $basepath = get_config("system", "basepath");
 564
 565                         if ($basepath == "")
 566                                 $basepath = $_SERVER["DOCUMENT_ROOT"];
 567
 568                         if ($basepath == "")
 569                                 $basepath = $_SERVER["PWD"];
 570
 571                         return($basepath);
 572                 }
 573
 574                 function get_baseurl($ssl = false) {
 575
 576                         $scheme = $this->scheme;
 577
 578                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 579                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 580                                         $scheme = 'https';
 581
 582                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 583                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 584
 585                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 586                                         if($ssl)
 587                                                 $scheme = 'https';
 588                                         else
 589                                                 $scheme = 'http';
 590                                 }
 591                         }
 592
 593                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 594                         return $this->baseurl;
 595                 }
 596
 597                 function set_baseurl($url) {
 598                         $parsed = @parse_url($url);
 599
 600                         $this->baseurl = $url;
 601
 602                         if($parsed) {
 603                                 $this->scheme = $parsed['scheme'];
 604
 605                                 $this->hostname = $parsed['host'];
 606                                 if(x($parsed,'port'))
 607                                         $this->hostname .= ':' . $parsed['port'];
 608                                 if(x($parsed,'path'))
 609                                         $this->path = trim($parsed['path'],'\\/');
 610                         }
 611
 612                 }
 613
 614                 function get_hostname() {
 615                         return $this->hostname;
 616                 }
 617
 618                 function set_hostname($h) {
 619                         $this->hostname = $h;
 620                 }
 621
 622                 function set_path($p) {
 623                         $this->path = trim(trim($p),'/');
 624                 }
 625
 626                 function get_path() {
 627                         return $this->path;
 628                 }
 629
 630                 function set_pager_total($n) {
 631                         $this->pager['total'] = intval($n);
 632                 }
 633
 634                 function set_pager_itemspage($n) {
 635                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 636                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 637
 638                 }
 639
 640                 function init_pagehead() {
 641                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 642                         if($interval < 10000)
 643                                 $interval = 40000;
 644
 645                         $this->page['title'] = $this->config['sitename'];
 646
 647                         /* put the head template at the beginning of page['htmlhead']
 648                          * since the code added by the modules frequently depends on it
 649                          * being first
 650                          */
 651                         if(!isset($this->page['htmlhead']))
 652                                 $this->page['htmlhead'] = '';
 653
 654                         // If we're using Smarty, then doing replace_macros() will replace
 655                         // any unrecognized variables with a blank string. Since we delay
 656                         // replacing $stylesheet until later, we need to replace it now
 657                         // with another variable name
 658                         if($this->theme['template_engine'] === 'smarty3')
 659                                 $stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3');
 660                         else
 661                                 $stylesheet = '$stylesheet';
 662
 663                         $tpl = get_markup_template('head.tpl');
 664                         $this->page['htmlhead'] = replace_macros($tpl,array(
 665                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 666                                 '$local_user' => local_user(),
 667                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 668                                 '$delitem' => t('Delete this item?'),
 669                                 '$comment' => t('Comment'),
 670                                 '$showmore' => t('show more'),
 671                                 '$showfewer' => t('show fewer'),
 672                                 '$update_interval' => $interval,
 673                                 '$stylesheet' => $stylesheet
 674                         )) . $this->page['htmlhead'];
 675                 }
 676
 677                 function init_page_end() {
 678                         if(!isset($this->page['end']))
 679                                 $this->page['end'] = '';
 680                         $tpl = get_markup_template('end.tpl');
 681                         $this->page['end'] = replace_macros($tpl,array(
 682                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
 683                         )) . $this->page['end'];
 684                 }
 685
 686                 function set_curl_code($code) {
 687                         $this->curl_code = $code;
 688                 }
 689
 690                 function get_curl_code() {
 691                         return $this->curl_code;
 692                 }
 693
 694                 function set_curl_content_type($content_type) {
 695                         $this->curl_content_type = $content_type;
 696                 }
 697
 698                 function get_curl_content_type() {
 699                         return $this->curl_content_type;
 700                 }
 701
 702                 function set_curl_headers($headers) {
 703                         $this->curl_headers = $headers;
 704                 }
 705
 706                 function get_curl_headers() {
 707                         return $this->curl_headers;
 708                 }
 709
 710                 function get_cached_avatar_image($avatar_image){
 711                         if($this->cached_profile_image[$avatar_image])
 712                                 return $this->cached_profile_image[$avatar_image];
 713
 714                         $path_parts = explode("/",$avatar_image);
 715                         $common_filename = $path_parts[count($path_parts)-1];
 716
 717                         if($this->cached_profile_picdate[$common_filename]){
 718                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 719                         } else {
 720                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 721                                         $common_filename);
 722                                 if(! count($r)){
 723                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 724                                 } else {
 725                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 726                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 727                                 }
 728                         }
 729                         return $this->cached_profile_image[$avatar_image];
 730                 }
 731
 732
 733                 /**
 734                  * register template engine class
 735                  * if $name is "", is used class static property $class::$name
 736                  * @param string $class
 737                  * @param string $name
 738                  */
 739                 function register_template_engine($class, $name = '') {
 740                         if ($name===""){
 741                                 $v = get_class_vars( $class );
 742                                 if(x($v,"name")) $name = $v['name'];
 743                         }
 744                         if ($name===""){
 745                                 echo "template engine <tt>$class</tt> cannot be registered without a name.\n";
 746                                 killme();
 747                         }
 748                         $this->template_engines[$name] = $class;
 749                 }
 750
 751                 /**
 752                  * return template engine instance. If $name is not defined,
 753                  * return engine defined by theme, or default
 754                  *
 755                  * @param strin $name Template engine name
 756                  * @return object Template Engine instance
 757                  */
 758                 function template_engine($name = ''){
 759                         if ($name!=="") {
 760                                 $template_engine = $name;
 761                         } else {
 762                                 $template_engine = 'smarty3';
 763                                 if (x($this->theme, 'template_engine')) {
 764                                         $template_engine = $this->theme['template_engine'];
 765                                 }
 766                         }
 767
 768                         if (isset($this->template_engines[$template_engine])){
 769                                 if(isset($this->template_engine_instance[$template_engine])){
 770                                         return $this->template_engine_instance[$template_engine];
 771                                 } else {
 772                                         $class = $this->template_engines[$template_engine];
 773                                         $obj = new $class;
 774                                         $this->template_engine_instance[$template_engine] = $obj;
 775                                         return $obj;
 776                                 }
 777                         }
 778
 779                         echo "template engine <tt>$template_engine</tt> is not registered!\n"; killme();
 780                 }
 781
 782                 function get_template_engine() {
 783                         return $this->theme['template_engine'];
 784                 }
 785
 786                 function set_template_engine($engine = 'smarty3') {
 787                         $this->theme['template_engine'] = $engine;
 788                         /*
 789                         $this->theme['template_engine'] = 'smarty3';
 790
 791                         switch($engine) {
 792                                 case 'smarty3':
 793                                         if(is_writable('view/smarty3/'))
 794                                                 $this->theme['template_engine'] = 'smarty3';
 795                                         break;
 796                                 default:
 797                                         break;
 798                         }
 799                         */
 800                 }
 801
 802                 function get_template_ldelim($engine = 'smarty3') {
 803                         return $this->ldelim[$engine];
 804                 }
 805
 806                 function get_template_rdelim($engine = 'smarty3') {
 807                         return $this->rdelim[$engine];
 808                 }
 809
 810                 function save_timestamp($stamp, $value) {
 811                         $duration = (float)(microtime(true)-$stamp);
 812
 813                         $this->performance[$value] += (float)$duration;
 814                         $this->performance["marktime"] += (float)$duration;
 815                 }
 816
 817                 function mark_timestamp($mark) {
 818                         //$this->performance["markstart"] -= microtime(true) - $this->performance["marktime"];
 819                         $this->performance["markstart"] = microtime(true) - $this->performance["markstart"] - $this->performance["marktime"];
 820                 }
 821         }
 822 }
 823
 824 // retrieve the App structure
 825 // useful in functions which require it but don't get it passed to them
 826
 827 if(! function_exists('get_app')) {
 828         function get_app() {
 829                 global $a;
 830                 return $a;
 831         }
 832 };
 833
 834
 835 // Multi-purpose function to check variable state.
 836 // Usage: x($var) or $x($array,'key')
 837 // returns false if variable/key is not set
 838 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 839 // e.g. x('') or x(0) returns 0;
 840
 841 if(! function_exists('x')) {
 842         function x($s,$k = NULL) {
 843                 if($k != NULL) {
 844                         if((is_array($s)) && (array_key_exists($k,$s))) {
 845                                 if($s[$k])
 846                                         return (int) 1;
 847                                 return (int) 0;
 848                 }
 849                         return false;
 850                 }
 851                 else {
 852                         if(isset($s)) {
 853                                 if($s) {
 854                                         return (int) 1;
 855                                 }
 856                                 return (int) 0;
 857                         }
 858                         return false;
 859                 }
 860         }
 861 }
 862
 863 // called from db initialisation if db is dead.
 864
 865 if(! function_exists('system_unavailable')) {
 866         function system_unavailable() {
 867                 include('system_unavailable.php');
 868                 system_down();
 869                 killme();
 870         }
 871 }
 872
 873
 874
 875 function clean_urls() {
 876         global $a;
 877         //      if($a->config['system']['clean_urls'])
 878         return true;
 879         //      return false;
 880 }
 881
 882 function z_path() {
 883         global $a;
 884         $base = $a->get_baseurl();
 885         if(! clean_urls())
 886                 $base .= '/?q=';
 887         return $base;
 888 }
 889
 890 function z_root() {
 891         global $a;
 892         return $a->get_baseurl();
 893 }
 894
 895 function absurl($path) {
 896         if(strpos($path,'/') === 0)
 897                 return z_path() . $path;
 898         return $path;
 899 }
 900
 901 function is_ajax() {
 902         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 903 }
 904
 905 function check_db() {
 906
 907         $build = get_config('system','build');
 908         if(! x($build)) {
 909                 set_config('system','build',DB_UPDATE_VERSION);
 910                 $build = DB_UPDATE_VERSION;
 911         }
 912         if($build != DB_UPDATE_VERSION)
 913                 proc_run('php', 'include/dbupdate.php');
 914
 915 }
 916
 917
 918
 919
 920 // Sets the base url for use in cmdline programs which don't have
 921 // $_SERVER variables
 922
 923 if(! function_exists('check_url')) {
 924         function check_url(&$a) {
 925
 926                 $url = get_config('system','url');
 927
 928                 // if the url isn't set or the stored url is radically different
 929                 // than the currently visited url, store the current value accordingly.
 930                 // "Radically different" ignores common variations such as http vs https
 931                 // and www.example.com vs example.com.
 932                 // We will only change the url to an ip address if there is no existing setting
 933
 934                 if(! x($url))
 935                         $url = set_config('system','url',$a->get_baseurl());
 936                 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
 937                         $url = set_config('system','url',$a->get_baseurl());
 938
 939                 return;
 940         }
 941 }
 942
 943
 944 // Automatic database updates
 945
 946 if(! function_exists('update_db')) {
 947         function update_db(&$a) {
 948
 949                 $build = get_config('system','build');
 950                 if(! x($build))
 951                         $build = set_config('system','build',DB_UPDATE_VERSION);
 952
 953                 if($build != DB_UPDATE_VERSION) {
 954                         $stored = intval($build);
 955                         $current = intval(DB_UPDATE_VERSION);
 956                         if(($stored < $current) && file_exists('update.php')) {
 957
 958                                 load_config('database');
 959
 960                                 // We're reporting a different version than what is currently installed.
 961                                 // Run any existing update scripts to bring the database up to current.
 962
 963                                 require_once('update.php');
 964
 965                                 // make sure that boot.php and update.php are the same release, we might be
 966                                 // updating right this very second and the correct version of the update.php
 967                                 // file may not be here yet. This can happen on a very busy site.
 968
 969                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 970
 971                                         for($x = $stored; $x < $current; $x ++) {
 972                                                 if(function_exists('update_' . $x)) {
 973
 974                                                         // There could be a lot of processes running or about to run.
 975                                                         // We want exactly one process to run the update command.
 976                                                         // So store the fact that we're taking responsibility
 977                                                         // after first checking to see if somebody else already has.
 978
 979                                                         // If the update fails or times-out completely you may need to
 980                                                         // delete the config entry to try again.
 981
 982                                                         $t = get_config('database','update_' . $x);
 983                                                         if($t !== false)
 984                                                                 break;
 985                                                         set_config('database','update_' . $x, time());
 986
 987                                                         // call the specific update
 988
 989                                                         $func = 'update_' . $x;
 990                                                         $retval = $func();
 991                                                         if($retval) {
 992                                                                 //send the administrator an e-mail
 993                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 994                                                                 $email_msg = replace_macros($email_tpl, array(
 995                                                                         '$sitename' => $a->config['sitename'],
 996                                                                         '$siteurl' =>  $a->get_baseurl(),
 997                                                                         '$update' => $x,
 998                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 999                                                                 ));
1000                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
1001                                                                 require_once('include/email.php');
1002                                                                 $subject = email_header_encode($subject,'UTF-8');
1003                                                                 mail($a->config['admin_email'], $subject, $email_msg,
1004                                                                         'From: ' . 'Administrator' . '@' . $_SERVER['SERVER_NAME'] . "\n"
1005                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
1006                                                                         . 'Content-transfer-encoding: 8bit' );
1007                                                                 //try the logger
1008                                                                 logger('CRITICAL: Update Failed: '. $x);
1009                                                                 break;
1010                                                         }
1011                                                         else {
1012                                                                 set_config('database','update_' . $x, 'success');
1013                                                                 set_config('system','build', $x + 1);
1014                                                         }
1015                                                 }
1016                                         }
1017                                 }
1018                         }
1019                 }
1020
1021                 return;
1022         }
1023 }
1024
1025
1026 if(! function_exists('check_plugins')) {
1027         function check_plugins(&$a) {
1028
1029                 /**
1030                  *
1031                  * Synchronise plugins:
1032                  *
1033                  * $a->config['system']['addon'] contains a comma-separated list of names
1034                  * of plugins/addons which are used on this system.
1035                  * Go through the database list of already installed addons, and if we have
1036                  * an entry, but it isn't in the config list, call the uninstall procedure
1037                  * and mark it uninstalled in the database (for now we'll remove it).
1038                  * Then go through the config list and if we have a plugin that isn't installed,
1039                  * call the install procedure and add it to the database.
1040                  *
1041                  */
1042
1043                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
1044                 if(count($r))
1045                         $installed = $r;
1046                 else
1047                         $installed = array();
1048
1049                 $plugins = get_config('system','addon');
1050                 $plugins_arr = array();
1051
1052                 if($plugins)
1053                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
1054
1055                 $a->plugins = $plugins_arr;
1056
1057                 $installed_arr = array();
1058
1059                 if(count($installed)) {
1060                         foreach($installed as $i) {
1061                                 if(! in_array($i['name'],$plugins_arr)) {
1062                                         uninstall_plugin($i['name']);
1063                                 }
1064                                 else {
1065                                         $installed_arr[] = $i['name'];
1066                                 }
1067                         }
1068                 }
1069
1070                 if(count($plugins_arr)) {
1071                         foreach($plugins_arr as $p) {
1072                                 if(! in_array($p,$installed_arr)) {
1073                                         install_plugin($p);
1074                                 }
1075                         }
1076                 }
1077
1078
1079                 load_hooks();
1080
1081                 return;
1082         }
1083 }
1084
1085
1086 function get_guid($size=16) {
1087         $exists = true; // assume by default that we don't have a unique guid
1088         do {
1089                 $s = random_string($size);
1090                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
1091                 if(! count($r))
1092                         $exists = false;
1093         } while($exists);
1094         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
1095         return $s;
1096 }
1097
1098
1099 // wrapper for adding a login box. If $register == true provide a registration
1100 // link. This will most always depend on the value of $a->config['register_policy'].
1101 // returns the complete html for inserting into the page
1102
1103 if(! function_exists('login')) {
1104         function login($register = false, $hiddens=false) {
1105                 $a = get_app();
1106                 $o = "";
1107                 $reg = false;
1108                 if ($register) {
1109                         $reg = array(
1110                                 'title' => t('Create a New Account'),
1111                                 'desc' => t('Register')
1112                         );
1113                 }
1114
1115                 $noid = get_config('system','no_openid');
1116
1117                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
1118
1119                 if(local_user()) {
1120                         $tpl = get_markup_template("logout.tpl");
1121                 }
1122                 else {
1123                         $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
1124                                 '$baseurl'              => $a->get_baseurl(true)
1125                         ));
1126
1127                         $tpl = get_markup_template("login.tpl");
1128                         $_SESSION['return_url'] = $a->query_string;
1129                         $a->module = 'login';
1130                 }
1131
1132                 $o .= replace_macros($tpl, array(
1133
1134                         '$dest_url'     => $dest_url,
1135                         '$logout'       => t('Logout'),
1136                         '$login'        => t('Login'),
1137
1138                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
1139                         '$lpassword'    => array('password', t('Password: '), '', ''),
1140                         '$lremember'    => array('remember', t('Remember me'), 0, ''),
1141
1142                         '$openid'               => !$noid,
1143                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
1144
1145                         '$hiddens'      => $hiddens,
1146
1147                         '$register'     => $reg,
1148
1149                         '$lostpass'     => t('Forgot your password?'),
1150                         '$lostlink'     => t('Password Reset'),
1151
1152                         '$tostitle'     => t('Website Terms of Service'),
1153                         '$toslink'      => t('terms of service'),
1154
1155                         '$privacytitle' => t('Website Privacy Policy'),
1156                         '$privacylink'  => t('privacy policy'),
1157
1158                 ));
1159
1160                 call_hooks('login_hook',$o);
1161
1162                 return $o;
1163         }
1164 }
1165
1166 // Used to end the current process, after saving session state.
1167
1168 if(! function_exists('killme')) {
1169         function killme() {
1170                 session_write_close();
1171                 exit;
1172         }
1173 }
1174
1175 // redirect to another URL and terminate this process.
1176
1177 if(! function_exists('goaway')) {
1178         function goaway($s) {
1179                 header("Location: $s");
1180                 killme();
1181         }
1182 }
1183
1184
1185 // Returns the uid of locally logged in user or false.
1186
1187 if(! function_exists('local_user')) {
1188         function local_user() {
1189                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
1190                         return intval($_SESSION['uid']);
1191                 return false;
1192         }
1193 }
1194
1195 // Returns contact id of authenticated site visitor or false
1196
1197 if(! function_exists('remote_user')) {
1198         function remote_user() {
1199                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1200                         return intval($_SESSION['visitor_id']);
1201                 return false;
1202         }
1203 }
1204
1205 // contents of $s are displayed prominently on the page the next time
1206 // a page is loaded. Usually used for errors or alerts.
1207
1208 if(! function_exists('notice')) {
1209         /**
1210          * Show an error message to user.
1211          *
1212          * This function save text in session, to be shown to the user at next page load
1213          *
1214          * @param string $s - Text of notice
1215          */
1216         function notice($s) {
1217                 $a = get_app();
1218                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
1219                 if($a->interactive)
1220                         $_SESSION['sysmsg'][] = $s;
1221         }
1222 }
1223 if(! function_exists('info')) {
1224         /**
1225          * Show an info message to user.
1226          *
1227          * This function save text in session, to be shown to the user at next page load
1228          *
1229          * @param string $s - Text of notice
1230          */
1231         function info($s) {
1232                 $a = get_app();
1233                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
1234                 if($a->interactive)
1235                         $_SESSION['sysmsg_info'][] = $s;
1236         }
1237 }
1238
1239
1240 // wrapper around config to limit the text length of an incoming message
1241
1242 if(! function_exists('get_max_import_size')) {
1243         function get_max_import_size() {
1244                 global $a;
1245                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1246         }
1247 }
1248
1249
1250
1251 /**
1252  *
1253  * Function : profile_load
1254  * @parameter App    $a
1255  * @parameter string $nickname
1256  * @parameter int    $profile
1257  *
1258  * Summary: Loads a profile into the page sidebar.
1259  * The function requires a writeable copy of the main App structure, and the nickname
1260  * of a registered local account.
1261  *
1262  * If the viewer is an authenticated remote viewer, the profile displayed is the
1263  * one that has been configured for his/her viewing in the Contact manager.
1264  * Passing a non-zero profile ID can also allow a preview of a selected profile
1265  * by the owner.
1266  *
1267  * Profile information is placed in the App structure for later retrieval.
1268  * Honours the owner's chosen theme for display.
1269  *
1270  * IMPORTANT: Should only be run in the _init() functions of a module. That ensures that
1271  * the theme is chosen before the _init() function of a theme is run, which will usually
1272  * load a lot of theme-specific content
1273  *
1274  */
1275
1276 if(! function_exists('profile_load')) {
1277         function profile_load(&$a, $nickname, $profile = 0) {
1278
1279                 $user = q("select uid from user where nickname = '%s' limit 1",
1280                         dbesc($nickname)
1281                 );
1282
1283                 if(! ($user && count($user))) {
1284                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1285                         notice( t('Requested account is not available.') . EOL );
1286                         $a->error = 404;
1287                         return;
1288                 }
1289
1290                 if(remote_user() && count($_SESSION['remote'])) {
1291                         foreach($_SESSION['remote'] as $visitor) {
1292                                 if($visitor['uid'] == $user[0]['uid']) {
1293                                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1294                                                 intval($visitor['cid'])
1295                                         );
1296                                         if(count($r))
1297                                                 $profile = $r[0]['profile-id'];
1298                                         break;
1299                                 }
1300                         }
1301                 }
1302
1303                 $r = null;
1304
1305                 if($profile) {
1306                         $profile_int = intval($profile);
1307                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1308                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1309                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1310                                         dbesc($nickname),
1311                                         intval($profile_int)
1312                         );
1313                 }
1314                 if((! $r) && (!  count($r))) {
1315                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1316                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1317                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1318                                         dbesc($nickname)
1319                         );
1320                 }
1321
1322                 if(($r === false) || (! count($r))) {
1323                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1324                         notice( t('Requested profile is not available.') . EOL );
1325                         $a->error = 404;
1326                         return;
1327                 }
1328
1329                 // fetch user tags if this isn't the default profile
1330
1331                 if(! $r[0]['is-default']) {
1332                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1333                                         intval($r[0]['profile_uid'])
1334                         );
1335                         if($x && count($x))
1336                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1337                 }
1338
1339                 $a->profile = $r[0];
1340
1341                 $a->profile['mobile-theme'] = get_pconfig($a->profile['profile_uid'], 'system', 'mobile_theme');
1342
1343
1344                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1345                 $_SESSION['theme'] = $a->profile['theme'];
1346                 $_SESSION['mobile-theme'] = $a->profile['mobile-theme'];
1347
1348                 /**
1349                  * load/reload current theme info
1350                  */
1351
1352                 $a->set_template_engine(); // reset the template engine to the default in case the user's theme doesn't specify one
1353
1354                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1355                 if (file_exists($theme_info_file)){
1356                         require_once($theme_info_file);
1357                 }
1358
1359                 if(! (x($a->page,'aside')))
1360                         $a->page['aside'] = '';
1361
1362                 if(local_user() && local_user() == $a->profile['uid']) {
1363                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1364                                 '$editprofile' => t('Edit profile'),
1365                                 '$profid' => $a->profile['id']
1366                         ));
1367                 }
1368
1369                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1370
1371                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1372
1373                 /*if(! $block)
1374                  $a->page['aside'] .= contact_block();*/
1375
1376                 return;
1377         }
1378 }
1379
1380
1381 /**
1382  *
1383  * Function: profile_sidebar
1384  *
1385  * Formats a profile for display in the sidebar.
1386  * It is very difficult to templatise the HTML completely
1387  * because of all the conditional logic.
1388  *
1389  * @parameter: array $profile
1390  *
1391  * Returns HTML string stuitable for sidebar inclusion
1392  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1393  *
1394  */
1395
1396
1397 if(! function_exists('profile_sidebar')) {
1398         function profile_sidebar($profile, $block = 0) {
1399
1400                 $a = get_app();
1401
1402                 $o = '';
1403                 $location = false;
1404                 $address = false;
1405                 $pdesc = true;
1406
1407                 if((! is_array($profile)) && (! count($profile)))
1408                         return $o;
1409
1410                 $profile['picdate'] = urlencode($profile['picdate']);
1411
1412                 call_hooks('profile_sidebar_enter', $profile);
1413
1414
1415                 // don't show connect link to yourself
1416                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1417
1418                 // don't show connect link to authenticated visitors either
1419
1420                 if(remote_user() && count($_SESSION['remote'])) {
1421                         foreach($_SESSION['remote'] as $visitor) {
1422                                 if($visitor['uid'] == $profile['uid']) {
1423                                         $connect = false;
1424                                         break;
1425                                 }
1426                         }
1427                 }
1428
1429                 if( get_my_url() && $profile['unkmail'] && ($profile['uid'] != local_user()) )
1430                         $wallmessage = t('Message');
1431                 else
1432                         $wallmessage = false;
1433
1434
1435
1436                 // show edit profile to yourself
1437                 if ($profile['uid'] == local_user() && feature_enabled(local_user(),'multi_profiles')) {
1438                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1439
1440                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1441                                         local_user());
1442
1443                         $profile['menu'] = array(
1444                                 'chg_photo' => t('Change profile photo'),
1445                                 'cr_new' => t('Create New Profile'),
1446                                 'entries' => array(),
1447                         );
1448
1449                         if(count($r)) {
1450
1451                                 foreach($r as $rr) {
1452                                         $profile['menu']['entries'][] = array(
1453                                                 'photo' => $rr['thumb'],
1454                                                 'id' => $rr['id'],
1455                                                 'alt' => t('Profile Image'),
1456                                                 'profile_name' => $rr['profile-name'],
1457                                                 'isdefault' => $rr['is-default'],
1458                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1459                                                 'edit_visibility' => t('Edit visibility'),
1460
1461                                         );
1462                                 }
1463
1464
1465                         }
1466                 }
1467         if ($profile['uid'] == local_user() && !feature_enabled(local_user(),'multi_profiles')) {
1468             $profile['edit'] = array($a->get_baseurl(). '/profiles/'.$profile['id'], t('Edit profile'),"", t('Edit profile'));
1469                 $profile['menu'] = array(
1470                                 'chg_photo' => t('Change profile photo'),
1471                                 'cr_new' => null,
1472                                 'entries' => array(),
1473                         );
1474         }
1475
1476
1477
1478
1479                 if((x($profile,'address') == 1)
1480                                 || (x($profile,'locality') == 1)
1481                                 || (x($profile,'region') == 1)
1482                                 || (x($profile,'postal-code') == 1)
1483                                 || (x($profile,'country-name') == 1))
1484                         $location = t('Location:');
1485
1486                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1487
1488
1489                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1490
1491                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1492
1493                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1494                         $location = $pdesc = $gender = $marital = $homepage = False;
1495                 }
1496
1497                 $firstname = ((strpos($profile['name'],' '))
1498                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1499                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1500
1501                 $diaspora = array(
1502                         'podloc' => $a->get_baseurl(),
1503                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1504                         'nickname' => $profile['nickname'],
1505                         'fullname' => $profile['name'],
1506                         'firstname' => $firstname,
1507                         'lastname' => $lastname,
1508                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1509                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1510                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1511                 );
1512
1513                 if (!$block){
1514                         $contact_block = contact_block();
1515                 }
1516
1517
1518                 $p = array();
1519                 foreach($profile as $k => $v) {
1520                         $k = str_replace('-','_',$k);
1521                         $p[$k] = $v;
1522                 }
1523
1524                 if($a->theme['template_engine'] === 'internal')
1525                         $location = template_escape($location);
1526
1527
1528                 $tpl = get_markup_template('profile_vcard.tpl');
1529                 $o .= replace_macros($tpl, array(
1530                         '$profile' => $p,
1531                         '$connect'  => $connect,
1532                         '$wallmessage' => $wallmessage,
1533                         '$location' => $location,
1534                         '$gender'   => $gender,
1535                         '$pdesc'        => $pdesc,
1536                         '$marital'  => $marital,
1537                         '$homepage' => $homepage,
1538                         '$diaspora' => $diaspora,
1539                         '$contact_block' => $contact_block,
1540                 ));
1541
1542
1543                 $arr = array('profile' => &$profile, 'entry' => &$o);
1544
1545                 call_hooks('profile_sidebar', $arr);
1546
1547                 return $o;
1548         }
1549 }
1550
1551
1552 if(! function_exists('get_birthdays')) {
1553         function get_birthdays() {
1554
1555                 $a = get_app();
1556                 $o = '';
1557
1558                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1559                         return $o;
1560
1561 //              $mobile_detect = new Mobile_Detect();
1562 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1563
1564 //              if($is_mobile)
1565 //                      return $o;
1566
1567                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1568                 $bd_short = t('F d');
1569
1570                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1571                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1572                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1573                                 ORDER BY `start` ASC ",
1574                                 intval(local_user()),
1575                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1576                                 dbesc(datetime_convert('UTC','UTC','now'))
1577                 );
1578
1579                 if($r && count($r)) {
1580                         $total = 0;
1581                         $now = strtotime('now');
1582                         $cids = array();
1583
1584                         $istoday = false;
1585                         foreach($r as $rr) {
1586                                 if(strlen($rr['name']))
1587                                         $total ++;
1588                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1589                                         $istoday = true;
1590                         }
1591                         $classtoday = $istoday ? ' birthday-today ' : '';
1592                         if($total) {
1593                                 foreach($r as &$rr) {
1594                                         if(! strlen($rr['name']))
1595                                                 continue;
1596
1597                                         // avoid duplicates
1598
1599                                         if(in_array($rr['cid'],$cids))
1600                                                 continue;
1601                                         $cids[] = $rr['cid'];
1602
1603                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1604                                         $sparkle = '';
1605                                         $url = $rr['url'];
1606                                         if($rr['network'] === NETWORK_DFRN) {
1607                                                 $sparkle = " sparkle";
1608                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1609                                         }
1610
1611                                         $rr['link'] = $url;
1612                                         $rr['title'] = $rr['name'];
1613                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1614                                         $rr['startime'] = Null;
1615                                         $rr['today'] = $today;
1616
1617                                 }
1618                         }
1619                 }
1620                 $tpl = get_markup_template("birthdays_reminder.tpl");
1621                 return replace_macros($tpl, array(
1622                         '$baseurl' => $a->get_baseurl(),
1623                         '$classtoday' => $classtoday,
1624                         '$count' => $total,
1625                         '$event_reminders' => t('Birthday Reminders'),
1626                         '$event_title' => t('Birthdays this week:'),
1627                         '$events' => $r,
1628                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1629                         '$rbr' => '}'
1630
1631                 ));
1632         }
1633 }
1634
1635
1636 if(! function_exists('get_events')) {
1637         function get_events() {
1638
1639                 require_once('include/bbcode.php');
1640
1641                 $a = get_app();
1642
1643                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1644                         return $o;
1645
1646
1647 //              $mobile_detect = new Mobile_Detect();
1648 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1649
1650 //              if($is_mobile)
1651 //                      return $o;
1652
1653                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1654                 $bd_short = t('F d');
1655
1656                 $r = q("SELECT `event`.* FROM `event`
1657                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1658                                 ORDER BY `start` ASC ",
1659                                 intval(local_user()),
1660                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1661                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1662                 );
1663
1664                 if($r && count($r)) {
1665                         $now = strtotime('now');
1666                         $istoday = false;
1667                         foreach($r as $rr) {
1668                                 if(strlen($rr['name']))
1669                                         $total ++;
1670
1671                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1672                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1673                                         $istoday = true;
1674                         }
1675                         $classtoday = (($istoday) ? 'event-today' : '');
1676
1677
1678                         foreach($r as &$rr) {
1679                                 if($rr['adjust'])
1680                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1681                                 else
1682                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1683                                 $md .= "/#link-".$rr['id'];
1684
1685                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1686                                 if(! $title)
1687                                         $title = t('[No description]');
1688
1689                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1690                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1691
1692                                 $rr['link'] = $md;
1693                                 $rr['title'] = $title;
1694                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1695                                 $rr['startime'] = $strt;
1696                                 $rr['today'] = $today;
1697                         }
1698                 }
1699
1700                 $tpl = get_markup_template("events_reminder.tpl");
1701                 return replace_macros($tpl, array(
1702                         '$baseurl' => $a->get_baseurl(),
1703                         '$classtoday' => $classtoday,
1704                         '$count' => count($r),
1705                         '$event_reminders' => t('Event Reminders'),
1706                         '$event_title' => t('Events this week:'),
1707                         '$events' => $r,
1708                 ));
1709         }
1710 }
1711
1712
1713 /**
1714  *
1715  * Wrap calls to proc_close(proc_open()) and call hook
1716  * so plugins can take part in process :)
1717  *
1718  * args:
1719  * $cmd program to run
1720  *  next args are passed as $cmd command line
1721  *
1722  * e.g.: proc_run("ls","-la","/tmp");
1723  *
1724  * $cmd and string args are surrounded with ""
1725  */
1726
1727 if(! function_exists('proc_run')) {
1728         function proc_run($cmd){
1729
1730                 $a = get_app();
1731
1732                 $args = func_get_args();
1733
1734                 $newargs = array();
1735                 if(! count($args))
1736                         return;
1737
1738                 // expand any arrays
1739
1740                 foreach($args as $arg) {
1741                         if(is_array($arg)) {
1742                                 foreach($arg as $n) {
1743                                         $newargs[] = $n;
1744                                 }
1745                         }
1746                         else
1747                                 $newargs[] = $arg;
1748                 }
1749
1750                 $args = $newargs;
1751
1752                 $arr = array('args' => $args, 'run_cmd' => true);
1753
1754                 call_hooks("proc_run", $arr);
1755                 if(! $arr['run_cmd'])
1756                         return;
1757
1758                 if(count($args) && $args[0] === 'php')
1759                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1760
1761         // add baseurl to args. cli scripts can't construct it
1762         $args[] = $a->get_baseurl();
1763
1764         for($x = 0; $x < count($args); $x ++)
1765                         $args[$x] = escapeshellarg($args[$x]);
1766
1767
1768
1769                 $cmdline = implode($args," ");
1770                 if(get_config('system','proc_windows'))
1771                         proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
1772                 else
1773                         proc_close(proc_open($cmdline." &",array(),$foo,dirname(__FILE__)));
1774         }
1775 }
1776
1777 if(! function_exists('current_theme')) {
1778         function current_theme(){
1779                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1780
1781                 $a = get_app();
1782
1783 //              $mobile_detect = new Mobile_Detect();
1784 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1785                 $is_mobile = $a->is_mobile || $a->is_tablet;
1786
1787                 if($is_mobile) {
1788                         if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
1789                                 $system_theme = '';
1790                                 $theme_name = '';
1791                         }
1792                         else {
1793                                 $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1794                                 $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1795
1796                                 if($theme_name === '---') {
1797                                         // user has selected to have the mobile theme be the same as the normal one
1798                                         $system_theme = '';
1799                                         $theme_name = '';
1800                                 }
1801                         }
1802                 }
1803                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1804                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1805                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1806                 }
1807
1808                 if($theme_name &&
1809                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1810                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1811                         return($theme_name);
1812
1813                 foreach($app_base_themes as $t) {
1814                         if(file_exists('view/theme/' . $t . '/style.css')||
1815                                         file_exists('view/theme/' . $t . '/style.php'))
1816                                 return($t);
1817                 }
1818
1819                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1820                 if(count($fallback))
1821                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1822
1823         }
1824 }
1825
1826 /*
1827  * Return full URL to theme which is currently in effect.
1828 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1829 */
1830 if(! function_exists('current_theme_url')) {
1831         function current_theme_url() {
1832                 global $a;
1833                 $t = current_theme();
1834                 if (file_exists('view/theme/' . $t . '/style.php'))
1835                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1836                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1837         }
1838 }
1839
1840 if(! function_exists('feed_birthday')) {
1841         function feed_birthday($uid,$tz) {
1842
1843                 /**
1844                  *
1845                  * Determine the next birthday, but only if the birthday is published
1846                  * in the default profile. We _could_ also look for a private profile that the
1847                  * recipient can see, but somebody could get mad at us if they start getting
1848                  * public birthday greetings when they haven't made this info public.
1849                  *
1850                  * Assuming we are able to publish this info, we are then going to convert
1851                  * the start time from the owner's timezone to UTC.
1852                  *
1853                  * This will potentially solve the problem found with some social networks
1854                  * where birthdays are converted to the viewer's timezone and salutations from
1855                  * elsewhere in the world show up on the wrong day. We will convert it to the
1856                  * viewer's timezone also, but first we are going to convert it from the birthday
1857                  * person's timezone to GMT - so the viewer may find the birthday starting at
1858                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1859                  *
1860                  */
1861
1862
1863                 $birthday = '';
1864
1865                 if(! strlen($tz))
1866                         $tz = 'UTC';
1867
1868                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1869                                 intval($uid)
1870                 );
1871
1872                 if($p && count($p)) {
1873                         $tmp_dob = substr($p[0]['dob'],5);
1874                         if(intval($tmp_dob)) {
1875                                 $y = datetime_convert($tz,$tz,'now','Y');
1876                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1877                                 $t_dob = strtotime($bd);
1878                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1879                                 if($t_dob < $now)
1880                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1881                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1882                         }
1883                 }
1884
1885                 return $birthday;
1886         }
1887 }
1888
1889 if(! function_exists('is_site_admin')) {
1890         function is_site_admin() {
1891                 $a = get_app();
1892                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1893                         return true;
1894                 return false;
1895         }
1896 }
1897
1898
1899 if(! function_exists('load_contact_links')) {
1900         function load_contact_links($uid) {
1901
1902                 $a = get_app();
1903
1904                 $ret = array();
1905
1906                 if(! $uid || x($a->contacts,'empty'))
1907                         return;
1908
1909                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1910                                 intval($uid)
1911                 );
1912                 if(count($r)) {
1913                         foreach($r as $rr){
1914                                 $url = normalise_link($rr['url']);
1915                                 $ret[$url] = $rr;
1916                         }
1917                 }
1918                 else
1919                         $ret['empty'] = true;
1920                 $a->contacts = $ret;
1921                 return;
1922         }
1923 }
1924
1925 if(! function_exists('profile_tabs')){
1926         function profile_tabs($a, $is_owner=False, $nickname=Null){
1927                 //echo "<pre>"; var_dump($a->user); killme();
1928
1929                 if (is_null($nickname))
1930                         $nickname  = $a->user['nickname'];
1931
1932                 if(x($_GET,'tab'))
1933                         $tab = notags(trim($_GET['tab']));
1934
1935                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1936
1937                 $tabs = array(
1938                         array(
1939                                 'label'=>t('Status'),
1940                                 'url' => $url,
1941                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1942                                 'title' => t('Status Messages and Posts'),
1943                                 'id' => 'status-tab',
1944                         ),
1945                         array(
1946                                 'label' => t('Profile'),
1947                                 'url'   => $url.'/?tab=profile',
1948                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1949                                 'title' => t('Profile Details'),
1950                                 'id' => 'profile-tab',
1951                         ),
1952                         array(
1953                                 'label' => t('Photos'),
1954                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1955                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1956                                 'title' => t('Photo Albums'),
1957                                 'id' => 'photo-tab',
1958                         ),
1959                         array(
1960                                 'label' => t('Videos'),
1961                                 'url'   => $a->get_baseurl() . '/videos/' . $nickname,
1962                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='videos')?'active':''),
1963                                 'title' => t('Videos'),
1964                                 'id' => 'video-tab',
1965                         ),
1966                 );
1967
1968                 if ($is_owner){
1969                         $tabs[] = array(
1970                                 'label' => t('Events'),
1971                                 'url'   => $a->get_baseurl() . '/events',
1972                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1973                                 'title' => t('Events and Calendar'),
1974                                 'id' => 'events-tab',
1975                         );
1976                         $tabs[] = array(
1977                                 'label' => t('Personal Notes'),
1978                                 'url'   => $a->get_baseurl() . '/notes',
1979                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1980                                 'title' => t('Only You Can See This'),
1981                                 'id' => 'notes-tab',
1982                         );
1983                 }
1984
1985
1986                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1987                 call_hooks('profile_tabs', $arr);
1988
1989                 $tpl = get_markup_template('common_tabs.tpl');
1990
1991                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1992         }
1993 }
1994
1995 function get_my_url() {
1996         if(x($_SESSION,'my_url'))
1997                 return $_SESSION['my_url'];
1998         return false;
1999 }
2000
2001 function zrl_init(&$a) {
2002         $tmp_str = get_my_url();
2003         if(validate_url($tmp_str)) {
2004                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
2005                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
2006                 call_hooks('zrl_init',$arr);
2007         }
2008 }
2009
2010 function zrl($s,$force = false) {
2011         if(! strlen($s))
2012                 return $s;
2013         if((! strpos($s,'/profile/')) && (! $force))
2014                 return $s;
2015         if($force && substr($s,-1,1) !== '/')
2016                 $s = $s . '/';
2017         $achar = strpos($s,'?') ? '&' : '?';
2018         $mine = get_my_url();
2019         if($mine and ! link_compare($mine,$s))
2020                 return $s . $achar . 'zrl=' . urlencode($mine);
2021         return $s;
2022 }
2023
2024 /**
2025 * returns querystring as string from a mapped array
2026 *
2027 * @param params Array
2028 * @return string
2029 */
2030 function build_querystring($params, $name=null) {
2031     $ret = "";
2032     foreach($params as $key=>$val) {
2033         if(is_array($val)) {
2034             if($name==null) {
2035                 $ret .= build_querystring($val, $key);
2036             } else {
2037                 $ret .= build_querystring($val, $name."[$key]");
2038             }
2039         } else {
2040             $val = urlencode($val);
2041             if($name!=null) {
2042                 $ret.=$name."[$key]"."=$val&";
2043             } else {
2044                 $ret.= "$key=$val&";
2045             }
2046         }
2047     }
2048     return $ret;
2049 }
2050
2051 function explode_querystring($query) {
2052         $arg_st = strpos($query, '?');
2053         if($arg_st !== false) {
2054                 $base = substr($query, 0, $arg_st);
2055                 $arg_st += 1;
2056         }
2057         else {
2058                 $base = '';
2059                 $arg_st = 0;
2060         }
2061
2062         $args = explode('&', substr($query, $arg_st));
2063         foreach($args as $k=>$arg) {
2064                 if($arg === '')
2065                         unset($args[$k]);
2066         }
2067         $args = array_values($args);
2068
2069         if(!$base) {
2070                 $base = $args[0];
2071                 unset($args[0]);
2072                 $args = array_values($args);
2073         }
2074
2075         return array(
2076                 'base' => $base,
2077                 'args' => $args,
2078         );
2079 }
2080
2081 /**
2082 * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
2083 *
2084 * Taken from http://webcheatsheet.com/php/get_current_page_url.php
2085 */
2086 function curPageURL() {
2087         $pageURL = 'http';
2088         if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
2089         $pageURL .= "://";
2090         if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
2091                 $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
2092         } else {
2093                 $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
2094         }
2095         return $pageURL;
2096 }
2097
2098 function random_digits($digits) {
2099         $rn = '';
2100         for($i = 0; $i < $digits; $i++) {
2101                 $rn .= rand(0,9);
2102         }
2103         return $rn;
2104 }
2105
2106 function get_cachefile($file, $writemode = true) {
2107         $cache = get_config("system","itemcache");
2108
2109         if ((! $cache) || (! is_dir($cache)))
2110                 return("");
2111
2112         $subfolder = $cache."/".substr($file, 0, 2);
2113
2114         $cachepath = $subfolder."/".$file;
2115
2116         if ($writemode) {
2117                 if (!is_dir($subfolder)) {
2118                         mkdir($subfolder);
2119                         chmod($subfolder, 0777);
2120                 }
2121         }
2122
2123         return($cachepath);
2124 }
2125
2126 function clear_cache($basepath = "", $path = "") {
2127         if ($path == "") {
2128                 $basepath = get_config('system','itemcache');
2129                 $path = $basepath;
2130         }
2131
2132         if (($path == "") OR (!is_dir($path)))
2133                 return;
2134
2135         if (substr(realpath($path), 0, strlen($basepath)) != $basepath)
2136                 return;
2137
2138         $cachetime = (int)get_config('system','itemcache_duration');
2139         if ($cachetime == 0)
2140                 $cachetime = 86400;
2141
2142         if ($dh = opendir($path)) {
2143                 while (($file = readdir($dh)) !== false) {
2144                         $fullpath = $path."/".$file;
2145                         if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != ".."))
2146                                 clear_cache($basepath, $fullpath);
2147                         if ((filetype($fullpath) == "file") and (filectime($fullpath) < (time() - $cachetime)))
2148                                 unlink($fullpath);
2149                 }
2150                 closedir($dh);
2151         }
2152 }
2153
2154 function set_template_engine(&$a, $engine = 'internal') {
2155 // This function is no longer necessary, but keep it as a wrapper to the class method
2156 // to avoid breaking themes again unnecessarily
2157
2158         $a->set_template_engine($engine);
2159 }
2160