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',      '3.1.1677' );
  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' => 'internal',
 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["rendering"] = 0;
 427                         $this->performance["parser"] = 0;
 428                         $this->performance["marktime"] = 0;
 429                         $this->performance["markstart"] = microtime(true);
 430
 431                         $this->config = array();
 432                         $this->page = array();
 433                         $this->pager= array();
 434
 435                         $this->query_string = '';
 436
 437                         startup();
 438
 439                         $this->scheme = 'http';
 440                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 441                                 $this->scheme = 'https';
 442                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 443                         $this->scheme = 'https';
 444
 445                         if(x($_SERVER,'SERVER_NAME')) {
 446                                 $this->hostname = $_SERVER['SERVER_NAME'];
 447
 448                                 // See bug 437 - this didn't work so disabling it
 449                                 //if(stristr($this->hostname,'xn--')) {
 450                                         // PHP or webserver may have converted idn to punycode, so
 451                                         // convert punycode back to utf-8
 452                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 453                                 //      $x = new idna_convert();
 454                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 455                                 //}
 456
 457                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 458                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 459                                 /**
 460                                  * Figure out if we are running at the top of a domain
 461                                  * or in a sub-directory and adjust accordingly
 462                                  */
 463
 464                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 465                                 if(isset($path) && strlen($path) && ($path != $this->path))
 466                                         $this->path = $path;
 467                         }
 468                         if (is_array($argv) && $argc>1 && substr(end($argv), 0, 4)=="http" ) {
 469                                 $this->set_baseurl(array_pop($argv) );
 470                                 $argc --;
 471                         }
 472
 473                         set_include_path(
 474                                         "include/$this->hostname" . PATH_SEPARATOR
 475                                         . 'include' . PATH_SEPARATOR
 476                                         . 'library' . PATH_SEPARATOR
 477                                         . 'library/phpsec' . PATH_SEPARATOR
 478                                         . 'library/langdet' . PATH_SEPARATOR
 479                                         . '.' );
 480
 481
 482                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 483                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 484                                 // removing trailing / - maybe a nginx problem
 485                                 if (substr($this->query_string, 0, 1) == "/")
 486                                         $this->query_string = substr($this->query_string, 1);
 487                         }
 488                         if(x($_GET,'q'))
 489                                 $this->cmd = trim($_GET['q'],'/\\');
 490
 491                         // unix style "homedir"
 492
 493                         if(substr($this->cmd,0,1) === '~')
 494                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 495
 496                         // Diaspora style profile url
 497
 498                         if(substr($this->cmd,0,2) === 'u/')
 499                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 500
 501                         /**
 502                          *
 503                          * Break the URL path into C style argc/argv style arguments for our
 504                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 505                          * will be 3 (integer) and $this->argv will contain:
 506                          *   [0] => 'module'
 507                          *   [1] => 'arg1'
 508                          *   [2] => 'arg2'
 509                          *
 510                          *
 511                          * There will always be one argument. If provided a naked domain
 512                          * URL, $this->argv[0] is set to "home".
 513                          *
 514                          */
 515
 516                         $this->argv = explode('/',$this->cmd);
 517                         $this->argc = count($this->argv);
 518                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 519                                 $this->module = str_replace(".", "_", $this->argv[0]);
 520                                 $this->module = str_replace("-", "_", $this->module);
 521                         }
 522                         else {
 523                                 $this->argc = 1;
 524                                 $this->argv = array('home');
 525                                 $this->module = 'home';
 526                         }
 527
 528                         /**
 529                          * See if there is any page number information, and initialise
 530                          * pagination
 531                          */
 532
 533                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 534                         $this->pager['itemspage'] = 50;
 535                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 536                         if($this->pager['start'] < 0)
 537                                 $this->pager['start'] = 0;
 538                         $this->pager['total'] = 0;
 539
 540                         /**
 541                          * Detect mobile devices
 542                          */
 543
 544                         $mobile_detect = new Mobile_Detect();
 545                         $this->is_mobile = $mobile_detect->isMobile();
 546                         $this->is_tablet = $mobile_detect->isTablet();
 547
 548                         /**
 549                          * register template engines
 550                          */
 551                         $dc = get_declared_classes();
 552                         foreach ($dc as $k) {
 553                                 if (in_array("ITemplateEngine", class_implements($k))){
 554                                         $this->register_template_engine($k);
 555                                 }
 556                         }
 557
 558                 }
 559
 560                 function get_basepath() {
 561
 562                         $basepath = get_config("system", "basepath");
 563
 564                         if ($basepath == "")
 565                                 $basepath = $_SERVER["DOCUMENT_ROOT"];
 566
 567                         if ($basepath == "")
 568                                 $basepath = $_SERVER["PWD"];
 569
 570                         return($basepath);
 571                 }
 572
 573                 function get_baseurl($ssl = false) {
 574
 575                         $scheme = $this->scheme;
 576
 577                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 578                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 579                                         $scheme = 'https';
 580
 581                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 582                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 583
 584                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 585                                         if($ssl)
 586                                                 $scheme = 'https';
 587                                         else
 588                                                 $scheme = 'http';
 589                                 }
 590                         }
 591
 592                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 593                         return $this->baseurl;
 594                 }
 595
 596                 function set_baseurl($url) {
 597                         $parsed = @parse_url($url);
 598
 599                         $this->baseurl = $url;
 600
 601                         if($parsed) {
 602                                 $this->scheme = $parsed['scheme'];
 603
 604                                 $this->hostname = $parsed['host'];
 605                                 if(x($parsed,'port'))
 606                                         $this->hostname .= ':' . $parsed['port'];
 607                                 if(x($parsed,'path'))
 608                                         $this->path = trim($parsed['path'],'\\/');
 609                         }
 610
 611                 }
 612
 613                 function get_hostname() {
 614                         return $this->hostname;
 615                 }
 616
 617                 function set_hostname($h) {
 618                         $this->hostname = $h;
 619                 }
 620
 621                 function set_path($p) {
 622                         $this->path = trim(trim($p),'/');
 623                 }
 624
 625                 function get_path() {
 626                         return $this->path;
 627                 }
 628
 629                 function set_pager_total($n) {
 630                         $this->pager['total'] = intval($n);
 631                 }
 632
 633                 function set_pager_itemspage($n) {
 634                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 635                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 636
 637                 }
 638
 639                 function init_pagehead() {
 640                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 641                         if($interval < 10000)
 642                                 $interval = 40000;
 643
 644                         $this->page['title'] = $this->config['sitename'];
 645
 646                         /* put the head template at the beginning of page['htmlhead']
 647                          * since the code added by the modules frequently depends on it
 648                          * being first
 649                          */
 650                         if(!isset($this->page['htmlhead']))
 651                                 $this->page['htmlhead'] = '';
 652
 653                         // If we're using Smarty, then doing replace_macros() will replace
 654                         // any unrecognized variables with a blank string. Since we delay
 655                         // replacing $stylesheet until later, we need to replace it now
 656                         // with another variable name
 657                         if($this->theme['template_engine'] === 'smarty3')
 658                                 $stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3');
 659                         else
 660                                 $stylesheet = '$stylesheet';
 661
 662                         $tpl = get_markup_template('head.tpl');
 663                         $this->page['htmlhead'] = replace_macros($tpl,array(
 664                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 665                                 '$local_user' => local_user(),
 666                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 667                                 '$delitem' => t('Delete this item?'),
 668                                 '$comment' => t('Comment'),
 669                                 '$showmore' => t('show more'),
 670                                 '$showfewer' => t('show fewer'),
 671                                 '$update_interval' => $interval,
 672                                 '$stylesheet' => $stylesheet
 673                         )) . $this->page['htmlhead'];
 674                 }
 675
 676                 function init_page_end() {
 677                         if(!isset($this->page['end']))
 678                                 $this->page['end'] = '';
 679                         $tpl = get_markup_template('end.tpl');
 680                         $this->page['end'] = replace_macros($tpl,array(
 681                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
 682                         )) . $this->page['end'];
 683                 }
 684
 685                 function set_curl_code($code) {
 686                         $this->curl_code = $code;
 687                 }
 688
 689                 function get_curl_code() {
 690                         return $this->curl_code;
 691                 }
 692
 693                 function set_curl_content_type($content_type) {
 694                         $this->curl_content_type = $content_type;
 695                 }
 696
 697                 function get_curl_content_type() {
 698                         return $this->curl_content_type;
 699                 }
 700
 701                 function set_curl_headers($headers) {
 702                         $this->curl_headers = $headers;
 703                 }
 704
 705                 function get_curl_headers() {
 706                         return $this->curl_headers;
 707                 }
 708
 709                 function get_cached_avatar_image($avatar_image){
 710                         if($this->cached_profile_image[$avatar_image])
 711                                 return $this->cached_profile_image[$avatar_image];
 712
 713                         $path_parts = explode("/",$avatar_image);
 714                         $common_filename = $path_parts[count($path_parts)-1];
 715
 716                         if($this->cached_profile_picdate[$common_filename]){
 717                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 718                         } else {
 719                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 720                                         $common_filename);
 721                                 if(! count($r)){
 722                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 723                                 } else {
 724                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 725                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 726                                 }
 727                         }
 728                         return $this->cached_profile_image[$avatar_image];
 729                 }
 730
 731
 732                 /**
 733                  * register template engine class
 734                  * if $name is "", is used class static property $class::$name
 735                  * @param string $class
 736                  * @param string $name
 737                  */
 738                 function register_template_engine($class, $name = '') {
 739                         if ($name===""){
 740                                 $v = get_class_vars( $class );
 741                                 if(x($v,"name")) $name = $v['name'];
 742                         }
 743                         if ($name===""){
 744                                 echo "template engine <tt>$class</tt> cannot be registered without a name.\n";
 745                                 killme();
 746                         }
 747                         $this->template_engines[$name] = $class;
 748                 }
 749
 750                 /**
 751                  * return template engine instance. If $name is not defined,
 752                  * return engine defined by theme, or default
 753                  *
 754                  * @param strin $name Template engine name
 755                  * @return object Template Engine instance
 756                  */
 757                 function template_engine($name = ''){
 758
 759                         if ($name!=="") {
 760                                 $template_engine = $name;
 761                         } else {
 762                                 $template_engine = 'smarty3';
 763                                 if (x($this->theme, 'template_engine')) {
 764                                         $template_engine = $this->theme['template_engine'];
 765                                 }
 766                         }
 767                         if (isset($this->template_engines[$template_engine])){
 768                                 if(isset($this->template_engine_instance[$template_engine])){
 769                                         return $this->template_engine_instance[$template_engine];
 770                                 } else {
 771                                         $class = $this->template_engines[$template_engine];
 772                                         $obj = new $class;
 773                                         $this->template_engine_instance[$template_engine] = $obj;
 774                                         return $obj;
 775                                 }
 776                         }
 777
 778                         echo "template engine <tt>$template_engine</tt> is not registered!\n"; killme();
 779                 }
 780
 781                 function get_template_engine() {
 782                         return $this->theme['template_engine'];
 783                 }
 784
 785                 function set_template_engine($engine = 'smarty3') {
 786
 787                         $this->theme['template_engine'] = 'smarty3';
 788
 789                         switch($engine) {
 790                                 case 'smarty3':
 791                                         if(is_writable('view/smarty3/'))
 792                                                 $this->theme['template_engine'] = 'smarty3';
 793                                         break;
 794                                 default:
 795                                         break;
 796                         }
 797                 }
 798
 799                 function get_template_ldelim($engine = 'smarty3') {
 800                         return $this->ldelim[$engine];
 801                 }
 802
 803                 function get_template_rdelim($engine = 'smarty3') {
 804                         return $this->rdelim[$engine];
 805                 }
 806
 807                 function save_timestamp($stamp, $value) {
 808                         $duration = (float)(microtime(true)-$stamp);
 809
 810                         $this->performance[$value] += (float)$duration;
 811                         $this->performance["marktime"] += (float)$duration;
 812                 }
 813
 814                 function mark_timestamp($mark) {
 815                         //$this->performance["markstart"] -= microtime(true) - $this->performance["marktime"];
 816                         $this->performance["markstart"] = microtime(true) - $this->performance["markstart"] - $this->performance["marktime"];
 817                 }
 818         }
 819 }
 820
 821 // retrieve the App structure
 822 // useful in functions which require it but don't get it passed to them
 823
 824 if(! function_exists('get_app')) {
 825         function get_app() {
 826                 global $a;
 827                 return $a;
 828         }
 829 };
 830
 831
 832 // Multi-purpose function to check variable state.
 833 // Usage: x($var) or $x($array,'key')
 834 // returns false if variable/key is not set
 835 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 836 // e.g. x('') or x(0) returns 0;
 837
 838 if(! function_exists('x')) {
 839         function x($s,$k = NULL) {
 840                 if($k != NULL) {
 841                         if((is_array($s)) && (array_key_exists($k,$s))) {
 842                                 if($s[$k])
 843                                         return (int) 1;
 844                                 return (int) 0;
 845                 }
 846                         return false;
 847                 }
 848                 else {
 849                         if(isset($s)) {
 850                                 if($s) {
 851                                         return (int) 1;
 852                                 }
 853                                 return (int) 0;
 854                         }
 855                         return false;
 856                 }
 857         }
 858 }
 859
 860 // called from db initialisation if db is dead.
 861
 862 if(! function_exists('system_unavailable')) {
 863         function system_unavailable() {
 864                 include('system_unavailable.php');
 865                 system_down();
 866                 killme();
 867         }
 868 }
 869
 870
 871
 872 function clean_urls() {
 873         global $a;
 874         //      if($a->config['system']['clean_urls'])
 875         return true;
 876         //      return false;
 877 }
 878
 879 function z_path() {
 880         global $a;
 881         $base = $a->get_baseurl();
 882         if(! clean_urls())
 883                 $base .= '/?q=';
 884         return $base;
 885 }
 886
 887 function z_root() {
 888         global $a;
 889         return $a->get_baseurl();
 890 }
 891
 892 function absurl($path) {
 893         if(strpos($path,'/') === 0)
 894                 return z_path() . $path;
 895         return $path;
 896 }
 897
 898 function is_ajax() {
 899         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 900 }
 901
 902 function check_db() {
 903
 904         $build = get_config('system','build');
 905         if(! x($build)) {
 906                 set_config('system','build',DB_UPDATE_VERSION);
 907                 $build = DB_UPDATE_VERSION;
 908         }
 909         if($build != DB_UPDATE_VERSION)
 910                 proc_run('php', 'include/dbupdate.php');
 911
 912 }
 913
 914
 915
 916
 917 // Sets the base url for use in cmdline programs which don't have
 918 // $_SERVER variables
 919
 920 if(! function_exists('check_url')) {
 921         function check_url(&$a) {
 922
 923                 $url = get_config('system','url');
 924
 925                 // if the url isn't set or the stored url is radically different
 926                 // than the currently visited url, store the current value accordingly.
 927                 // "Radically different" ignores common variations such as http vs https
 928                 // and www.example.com vs example.com.
 929                 // We will only change the url to an ip address if there is no existing setting
 930
 931                 if(! x($url))
 932                         $url = set_config('system','url',$a->get_baseurl());
 933                 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
 934                         $url = set_config('system','url',$a->get_baseurl());
 935
 936                 return;
 937         }
 938 }
 939
 940
 941 // Automatic database updates
 942
 943 if(! function_exists('update_db')) {
 944         function update_db(&$a) {
 945
 946                 $build = get_config('system','build');
 947                 if(! x($build))
 948                         $build = set_config('system','build',DB_UPDATE_VERSION);
 949
 950                 if($build != DB_UPDATE_VERSION) {
 951                         $stored = intval($build);
 952                         $current = intval(DB_UPDATE_VERSION);
 953                         if(($stored < $current) && file_exists('update.php')) {
 954
 955                                 load_config('database');
 956
 957                                 // We're reporting a different version than what is currently installed.
 958                                 // Run any existing update scripts to bring the database up to current.
 959
 960                                 require_once('update.php');
 961
 962                                 // make sure that boot.php and update.php are the same release, we might be
 963                                 // updating right this very second and the correct version of the update.php
 964                                 // file may not be here yet. This can happen on a very busy site.
 965
 966                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 967
 968                                         for($x = $stored; $x < $current; $x ++) {
 969                                                 if(function_exists('update_' . $x)) {
 970
 971                                                         // There could be a lot of processes running or about to run.
 972                                                         // We want exactly one process to run the update command.
 973                                                         // So store the fact that we're taking responsibility
 974                                                         // after first checking to see if somebody else already has.
 975
 976                                                         // If the update fails or times-out completely you may need to
 977                                                         // delete the config entry to try again.
 978
 979                                                         $t = get_config('database','update_' . $x);
 980                                                         if($t !== false)
 981                                                                 break;
 982                                                         set_config('database','update_' . $x, time());
 983
 984                                                         // call the specific update
 985
 986                                                         $func = 'update_' . $x;
 987                                                         $retval = $func();
 988                                                         if($retval) {
 989                                                                 //send the administrator an e-mail
 990                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 991                                                                 $email_msg = replace_macros($email_tpl, array(
 992                                                                         '$sitename' => $a->config['sitename'],
 993                                                                         '$siteurl' =>  $a->get_baseurl(),
 994                                                                         '$update' => $x,
 995                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 996                                                                 ));
 997                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 998                                                                 require_once('include/email.php');
 999                                                                 $subject = email_header_encode($subject,'UTF-8');
1000                                                                 mail($a->config['admin_email'], $subject, $email_msg,
1001                                                                         'From: ' . 'Administrator' . '@' . $_SERVER['SERVER_NAME'] . "\n"
1002                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
1003                                                                         . 'Content-transfer-encoding: 8bit' );
1004                                                                 //try the logger
1005                                                                 logger('CRITICAL: Update Failed: '. $x);
1006                                                                 break;
1007                                                         }
1008                                                         else {
1009                                                                 set_config('database','update_' . $x, 'success');
1010                                                                 set_config('system','build', $x + 1);
1011                                                         }
1012                                                 }
1013                                         }
1014                                 }
1015                         }
1016                 }
1017
1018                 return;
1019         }
1020 }
1021
1022
1023 if(! function_exists('check_plugins')) {
1024         function check_plugins(&$a) {
1025
1026                 /**
1027                  *
1028                  * Synchronise plugins:
1029                  *
1030                  * $a->config['system']['addon'] contains a comma-separated list of names
1031                  * of plugins/addons which are used on this system.
1032                  * Go through the database list of already installed addons, and if we have
1033                  * an entry, but it isn't in the config list, call the uninstall procedure
1034                  * and mark it uninstalled in the database (for now we'll remove it).
1035                  * Then go through the config list and if we have a plugin that isn't installed,
1036                  * call the install procedure and add it to the database.
1037                  *
1038                  */
1039
1040                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
1041                 if(count($r))
1042                         $installed = $r;
1043                 else
1044                         $installed = array();
1045
1046                 $plugins = get_config('system','addon');
1047                 $plugins_arr = array();
1048
1049                 if($plugins)
1050                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
1051
1052                 $a->plugins = $plugins_arr;
1053
1054                 $installed_arr = array();
1055
1056                 if(count($installed)) {
1057                         foreach($installed as $i) {
1058                                 if(! in_array($i['name'],$plugins_arr)) {
1059                                         uninstall_plugin($i['name']);
1060                                 }
1061                                 else {
1062                                         $installed_arr[] = $i['name'];
1063                                 }
1064                         }
1065                 }
1066
1067                 if(count($plugins_arr)) {
1068                         foreach($plugins_arr as $p) {
1069                                 if(! in_array($p,$installed_arr)) {
1070                                         install_plugin($p);
1071                                 }
1072                         }
1073                 }
1074
1075
1076                 load_hooks();
1077
1078                 return;
1079         }
1080 }
1081
1082
1083 function get_guid($size=16) {
1084         $exists = true; // assume by default that we don't have a unique guid
1085         do {
1086                 $s = random_string($size);
1087                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
1088                 if(! count($r))
1089                         $exists = false;
1090         } while($exists);
1091         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
1092         return $s;
1093 }
1094
1095
1096 // wrapper for adding a login box. If $register == true provide a registration
1097 // link. This will most always depend on the value of $a->config['register_policy'].
1098 // returns the complete html for inserting into the page
1099
1100 if(! function_exists('login')) {
1101         function login($register = false, $hiddens=false) {
1102                 $a = get_app();
1103                 $o = "";
1104                 $reg = false;
1105                 if ($register) {
1106                         $reg = array(
1107                                 'title' => t('Create a New Account'),
1108                                 'desc' => t('Register')
1109                         );
1110                 }
1111
1112                 $noid = get_config('system','no_openid');
1113
1114                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
1115
1116                 if(local_user()) {
1117                         $tpl = get_markup_template("logout.tpl");
1118                 }
1119                 else {
1120                         $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
1121                                 '$baseurl'              => $a->get_baseurl(true)
1122                         ));
1123
1124                         $tpl = get_markup_template("login.tpl");
1125                         $_SESSION['return_url'] = $a->query_string;
1126                         $a->module = 'login';
1127                 }
1128
1129                 $o .= replace_macros($tpl, array(
1130
1131                         '$dest_url'     => $dest_url,
1132                         '$logout'       => t('Logout'),
1133                         '$login'        => t('Login'),
1134
1135                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
1136                         '$lpassword'    => array('password', t('Password: '), '', ''),
1137                         '$lremember'    => array('remember', t('Remember me'), 0, ''),
1138
1139                         '$openid'               => !$noid,
1140                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
1141
1142                         '$hiddens'      => $hiddens,
1143
1144                         '$register'     => $reg,
1145
1146                         '$lostpass'     => t('Forgot your password?'),
1147                         '$lostlink'     => t('Password Reset'),
1148
1149                         '$tostitle'     => t('Website Terms of Service'),
1150                         '$toslink'      => t('terms of service'),
1151
1152                         '$privacytitle' => t('Website Privacy Policy'),
1153                         '$privacylink'  => t('privacy policy'),
1154
1155                 ));
1156
1157                 call_hooks('login_hook',$o);
1158
1159                 return $o;
1160         }
1161 }
1162
1163 // Used to end the current process, after saving session state.
1164
1165 if(! function_exists('killme')) {
1166         function killme() {
1167                 session_write_close();
1168                 exit;
1169         }
1170 }
1171
1172 // redirect to another URL and terminate this process.
1173
1174 if(! function_exists('goaway')) {
1175         function goaway($s) {
1176                 header("Location: $s");
1177                 killme();
1178         }
1179 }
1180
1181
1182 // Returns the uid of locally logged in user or false.
1183
1184 if(! function_exists('local_user')) {
1185         function local_user() {
1186                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
1187                         return intval($_SESSION['uid']);
1188                 return false;
1189         }
1190 }
1191
1192 // Returns contact id of authenticated site visitor or false
1193
1194 if(! function_exists('remote_user')) {
1195         function remote_user() {
1196                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1197                         return intval($_SESSION['visitor_id']);
1198                 return false;
1199         }
1200 }
1201
1202 // contents of $s are displayed prominently on the page the next time
1203 // a page is loaded. Usually used for errors or alerts.
1204
1205 if(! function_exists('notice')) {
1206         /**
1207          * Show an error message to user.
1208          *
1209          * This function save text in session, to be shown to the user at next page load
1210          *
1211          * @param string $s - Text of notice
1212          */
1213         function notice($s) {
1214                 $a = get_app();
1215                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
1216                 if($a->interactive)
1217                         $_SESSION['sysmsg'][] = $s;
1218         }
1219 }
1220 if(! function_exists('info')) {
1221         /**
1222          * Show an info message to user.
1223          *
1224          * This function save text in session, to be shown to the user at next page load
1225          *
1226          * @param string $s - Text of notice
1227          */
1228         function info($s) {
1229                 $a = get_app();
1230                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
1231                 if($a->interactive)
1232                         $_SESSION['sysmsg_info'][] = $s;
1233         }
1234 }
1235
1236
1237 // wrapper around config to limit the text length of an incoming message
1238
1239 if(! function_exists('get_max_import_size')) {
1240         function get_max_import_size() {
1241                 global $a;
1242                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1243         }
1244 }
1245
1246
1247
1248 /**
1249  *
1250  * Function : profile_load
1251  * @parameter App    $a
1252  * @parameter string $nickname
1253  * @parameter int    $profile
1254  *
1255  * Summary: Loads a profile into the page sidebar.
1256  * The function requires a writeable copy of the main App structure, and the nickname
1257  * of a registered local account.
1258  *
1259  * If the viewer is an authenticated remote viewer, the profile displayed is the
1260  * one that has been configured for his/her viewing in the Contact manager.
1261  * Passing a non-zero profile ID can also allow a preview of a selected profile
1262  * by the owner.
1263  *
1264  * Profile information is placed in the App structure for later retrieval.
1265  * Honours the owner's chosen theme for display.
1266  *
1267  * IMPORTANT: Should only be run in the _init() functions of a module. That ensures that
1268  * the theme is chosen before the _init() function of a theme is run, which will usually
1269  * load a lot of theme-specific content
1270  *
1271  */
1272
1273 if(! function_exists('profile_load')) {
1274         function profile_load(&$a, $nickname, $profile = 0) {
1275
1276                 $user = q("select uid from user where nickname = '%s' limit 1",
1277                         dbesc($nickname)
1278                 );
1279
1280                 if(! ($user && count($user))) {
1281                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1282                         notice( t('Requested account is not available.') . EOL );
1283                         $a->error = 404;
1284                         return;
1285                 }
1286
1287                 if(remote_user() && count($_SESSION['remote'])) {
1288                         foreach($_SESSION['remote'] as $visitor) {
1289                                 if($visitor['uid'] == $user[0]['uid']) {
1290                                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1291                                                 intval($visitor['cid'])
1292                                         );
1293                                         if(count($r))
1294                                                 $profile = $r[0]['profile-id'];
1295                                         break;
1296                                 }
1297                         }
1298                 }
1299
1300                 $r = null;
1301
1302                 if($profile) {
1303                         $profile_int = intval($profile);
1304                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1305                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1306                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1307                                         dbesc($nickname),
1308                                         intval($profile_int)
1309                         );
1310                 }
1311                 if((! $r) && (!  count($r))) {
1312                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1313                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1314                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1315                                         dbesc($nickname)
1316                         );
1317                 }
1318
1319                 if(($r === false) || (! count($r))) {
1320                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1321                         notice( t('Requested profile is not available.') . EOL );
1322                         $a->error = 404;
1323                         return;
1324                 }
1325
1326                 // fetch user tags if this isn't the default profile
1327
1328                 if(! $r[0]['is-default']) {
1329                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1330                                         intval($r[0]['profile_uid'])
1331                         );
1332                         if($x && count($x))
1333                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1334                 }
1335
1336                 $a->profile = $r[0];
1337
1338                 $a->profile['mobile-theme'] = get_pconfig($a->profile['profile_uid'], 'system', 'mobile_theme');
1339
1340
1341                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1342                 $_SESSION['theme'] = $a->profile['theme'];
1343                 $_SESSION['mobile-theme'] = $a->profile['mobile-theme'];
1344
1345                 /**
1346                  * load/reload current theme info
1347                  */
1348
1349                 $a->set_template_engine(); // reset the template engine to the default in case the user's theme doesn't specify one
1350
1351                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1352                 if (file_exists($theme_info_file)){
1353                         require_once($theme_info_file);
1354                 }
1355
1356                 if(! (x($a->page,'aside')))
1357                         $a->page['aside'] = '';
1358
1359                 if(local_user() && local_user() == $a->profile['uid']) {
1360                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1361                                 '$editprofile' => t('Edit profile'),
1362                                 '$profid' => $a->profile['id']
1363                         ));
1364                 }
1365
1366                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1367
1368                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1369
1370                 /*if(! $block)
1371                  $a->page['aside'] .= contact_block();*/
1372
1373                 return;
1374         }
1375 }
1376
1377
1378 /**
1379  *
1380  * Function: profile_sidebar
1381  *
1382  * Formats a profile for display in the sidebar.
1383  * It is very difficult to templatise the HTML completely
1384  * because of all the conditional logic.
1385  *
1386  * @parameter: array $profile
1387  *
1388  * Returns HTML string stuitable for sidebar inclusion
1389  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1390  *
1391  */
1392
1393
1394 if(! function_exists('profile_sidebar')) {
1395         function profile_sidebar($profile, $block = 0) {
1396
1397                 $a = get_app();
1398
1399                 $o = '';
1400                 $location = false;
1401                 $address = false;
1402                 $pdesc = true;
1403
1404                 if((! is_array($profile)) && (! count($profile)))
1405                         return $o;
1406
1407                 $profile['picdate'] = urlencode($profile['picdate']);
1408
1409                 call_hooks('profile_sidebar_enter', $profile);
1410
1411
1412                 // don't show connect link to yourself
1413                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1414
1415                 // don't show connect link to authenticated visitors either
1416
1417                 if(remote_user() && count($_SESSION['remote'])) {
1418                         foreach($_SESSION['remote'] as $visitor) {
1419                                 if($visitor['uid'] == $profile['uid']) {
1420                                         $connect = false;
1421                                         break;
1422                                 }
1423                         }
1424                 }
1425
1426                 if( get_my_url() && $profile['unkmail'] && ($profile['uid'] != local_user()) )
1427                         $wallmessage = t('Message');
1428                 else
1429                         $wallmessage = false;
1430
1431
1432
1433                 // show edit profile to yourself
1434                 if ($profile['uid'] == local_user() && feature_enabled(local_user(),'multi_profiles')) {
1435                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1436
1437                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1438                                         local_user());
1439
1440                         $profile['menu'] = array(
1441                                 'chg_photo' => t('Change profile photo'),
1442                                 'cr_new' => t('Create New Profile'),
1443                                 'entries' => array(),
1444                         );
1445
1446                         if(count($r)) {
1447
1448                                 foreach($r as $rr) {
1449                                         $profile['menu']['entries'][] = array(
1450                                                 'photo' => $rr['thumb'],
1451                                                 'id' => $rr['id'],
1452                                                 'alt' => t('Profile Image'),
1453                                                 'profile_name' => $rr['profile-name'],
1454                                                 'isdefault' => $rr['is-default'],
1455                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1456                                                 'edit_visibility' => t('Edit visibility'),
1457
1458                                         );
1459                                 }
1460
1461
1462                         }
1463                 }
1464         if ($profile['uid'] == local_user() && !feature_enabled(local_user(),'multi_profiles')) {
1465             $profile['edit'] = array($a->get_baseurl(). '/profiles/'.$profile['id'], t('Edit profile'),"", t('Edit profile'));
1466                 $profile['menu'] = array(
1467                                 'chg_photo' => t('Change profile photo'),
1468                                 'cr_new' => null,
1469                                 'entries' => array(),
1470                         );
1471         }
1472
1473
1474
1475
1476                 if((x($profile,'address') == 1)
1477                                 || (x($profile,'locality') == 1)
1478                                 || (x($profile,'region') == 1)
1479                                 || (x($profile,'postal-code') == 1)
1480                                 || (x($profile,'country-name') == 1))
1481                         $location = t('Location:');
1482
1483                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1484
1485
1486                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1487
1488                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1489
1490                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1491                         $location = $pdesc = $gender = $marital = $homepage = False;
1492                 }
1493
1494                 $firstname = ((strpos($profile['name'],' '))
1495                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1496                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1497
1498                 $diaspora = array(
1499                         'podloc' => $a->get_baseurl(),
1500                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1501                         'nickname' => $profile['nickname'],
1502                         'fullname' => $profile['name'],
1503                         'firstname' => $firstname,
1504                         'lastname' => $lastname,
1505                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1506                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1507                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1508                 );
1509
1510                 if (!$block){
1511                         $contact_block = contact_block();
1512                 }
1513
1514
1515                 $p = array();
1516                 foreach($profile as $k => $v) {
1517                         $k = str_replace('-','_',$k);
1518                         $p[$k] = $v;
1519                 }
1520
1521                 if($a->theme['template_engine'] === 'internal')
1522                         $location = template_escape($location);
1523
1524
1525                 $tpl = get_markup_template('profile_vcard.tpl');
1526                 $o .= replace_macros($tpl, array(
1527                         '$profile' => $p,
1528                         '$connect'  => $connect,
1529                         '$wallmessage' => $wallmessage,
1530                         '$location' => $location,
1531                         '$gender'   => $gender,
1532                         '$pdesc'        => $pdesc,
1533                         '$marital'  => $marital,
1534                         '$homepage' => $homepage,
1535                         '$diaspora' => $diaspora,
1536                         '$contact_block' => $contact_block,
1537                 ));
1538
1539
1540                 $arr = array('profile' => &$profile, 'entry' => &$o);
1541
1542                 call_hooks('profile_sidebar', $arr);
1543
1544                 return $o;
1545         }
1546 }
1547
1548
1549 if(! function_exists('get_birthdays')) {
1550         function get_birthdays() {
1551
1552                 $a = get_app();
1553                 $o = '';
1554
1555                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1556                         return $o;
1557
1558 //              $mobile_detect = new Mobile_Detect();
1559 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1560
1561 //              if($is_mobile)
1562 //                      return $o;
1563
1564                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1565                 $bd_short = t('F d');
1566
1567                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1568                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1569                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1570                                 ORDER BY `start` ASC ",
1571                                 intval(local_user()),
1572                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1573                                 dbesc(datetime_convert('UTC','UTC','now'))
1574                 );
1575
1576                 if($r && count($r)) {
1577                         $total = 0;
1578                         $now = strtotime('now');
1579                         $cids = array();
1580
1581                         $istoday = false;
1582                         foreach($r as $rr) {
1583                                 if(strlen($rr['name']))
1584                                         $total ++;
1585                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1586                                         $istoday = true;
1587                         }
1588                         $classtoday = $istoday ? ' birthday-today ' : '';
1589                         if($total) {
1590                                 foreach($r as &$rr) {
1591                                         if(! strlen($rr['name']))
1592                                                 continue;
1593
1594                                         // avoid duplicates
1595
1596                                         if(in_array($rr['cid'],$cids))
1597                                                 continue;
1598                                         $cids[] = $rr['cid'];
1599
1600                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1601                                         $sparkle = '';
1602                                         $url = $rr['url'];
1603                                         if($rr['network'] === NETWORK_DFRN) {
1604                                                 $sparkle = " sparkle";
1605                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1606                                         }
1607
1608                                         $rr['link'] = $url;
1609                                         $rr['title'] = $rr['name'];
1610                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1611                                         $rr['startime'] = Null;
1612                                         $rr['today'] = $today;
1613
1614                                 }
1615                         }
1616                 }
1617                 $tpl = get_markup_template("birthdays_reminder.tpl");
1618                 return replace_macros($tpl, array(
1619                         '$baseurl' => $a->get_baseurl(),
1620                         '$classtoday' => $classtoday,
1621                         '$count' => $total,
1622                         '$event_reminders' => t('Birthday Reminders'),
1623                         '$event_title' => t('Birthdays this week:'),
1624                         '$events' => $r,
1625                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1626                         '$rbr' => '}'
1627
1628                 ));
1629         }
1630 }
1631
1632
1633 if(! function_exists('get_events')) {
1634         function get_events() {
1635
1636                 require_once('include/bbcode.php');
1637
1638                 $a = get_app();
1639
1640                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1641                         return $o;
1642
1643
1644 //              $mobile_detect = new Mobile_Detect();
1645 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1646
1647 //              if($is_mobile)
1648 //                      return $o;
1649
1650                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1651                 $bd_short = t('F d');
1652
1653                 $r = q("SELECT `event`.* FROM `event`
1654                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1655                                 ORDER BY `start` ASC ",
1656                                 intval(local_user()),
1657                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1658                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1659                 );
1660
1661                 if($r && count($r)) {
1662                         $now = strtotime('now');
1663                         $istoday = false;
1664                         foreach($r as $rr) {
1665                                 if(strlen($rr['name']))
1666                                         $total ++;
1667
1668                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1669                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1670                                         $istoday = true;
1671                         }
1672                         $classtoday = (($istoday) ? 'event-today' : '');
1673
1674
1675                         foreach($r as &$rr) {
1676                                 if($rr['adjust'])
1677                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1678                                 else
1679                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1680                                 $md .= "/#link-".$rr['id'];
1681
1682                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1683                                 if(! $title)
1684                                         $title = t('[No description]');
1685
1686                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1687                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1688
1689                                 $rr['link'] = $md;
1690                                 $rr['title'] = $title;
1691                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1692                                 $rr['startime'] = $strt;
1693                                 $rr['today'] = $today;
1694                         }
1695                 }
1696
1697                 $tpl = get_markup_template("events_reminder.tpl");
1698                 return replace_macros($tpl, array(
1699                         '$baseurl' => $a->get_baseurl(),
1700                         '$classtoday' => $classtoday,
1701                         '$count' => count($r),
1702                         '$event_reminders' => t('Event Reminders'),
1703                         '$event_title' => t('Events this week:'),
1704                         '$events' => $r,
1705                 ));
1706         }
1707 }
1708
1709
1710 /**
1711  *
1712  * Wrap calls to proc_close(proc_open()) and call hook
1713  * so plugins can take part in process :)
1714  *
1715  * args:
1716  * $cmd program to run
1717  *  next args are passed as $cmd command line
1718  *
1719  * e.g.: proc_run("ls","-la","/tmp");
1720  *
1721  * $cmd and string args are surrounded with ""
1722  */
1723
1724 if(! function_exists('proc_run')) {
1725         function proc_run($cmd){
1726
1727                 $a = get_app();
1728
1729                 $args = func_get_args();
1730
1731                 $newargs = array();
1732                 if(! count($args))
1733                         return;
1734
1735                 // expand any arrays
1736
1737                 foreach($args as $arg) {
1738                         if(is_array($arg)) {
1739                                 foreach($arg as $n) {
1740                                         $newargs[] = $n;
1741                                 }
1742                         }
1743                         else
1744                                 $newargs[] = $arg;
1745                 }
1746
1747                 $args = $newargs;
1748
1749                 $arr = array('args' => $args, 'run_cmd' => true);
1750
1751                 call_hooks("proc_run", $arr);
1752                 if(! $arr['run_cmd'])
1753                         return;
1754
1755                 if(count($args) && $args[0] === 'php')
1756                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1757
1758         // add baseurl to args. cli scripts can't construct it
1759         $args[] = $a->get_baseurl();
1760
1761         for($x = 0; $x < count($args); $x ++)
1762                         $args[$x] = escapeshellarg($args[$x]);
1763
1764
1765
1766                 $cmdline = implode($args," ");
1767                 if(get_config('system','proc_windows'))
1768                         proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
1769                 else
1770                         proc_close(proc_open($cmdline." &",array(),$foo,dirname(__FILE__)));
1771         }
1772 }
1773
1774 if(! function_exists('current_theme')) {
1775         function current_theme(){
1776                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1777
1778                 $a = get_app();
1779
1780 //              $mobile_detect = new Mobile_Detect();
1781 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1782                 $is_mobile = $a->is_mobile || $a->is_tablet;
1783
1784                 if($is_mobile) {
1785                         if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
1786                                 $system_theme = '';
1787                                 $theme_name = '';
1788                         }
1789                         else {
1790                                 $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1791                                 $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1792
1793                                 if($theme_name === '---') {
1794                                         // user has selected to have the mobile theme be the same as the normal one
1795                                         $system_theme = '';
1796                                         $theme_name = '';
1797                                 }
1798                         }
1799                 }
1800                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1801                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1802                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1803                 }
1804
1805                 if($theme_name &&
1806                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1807                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1808                         return($theme_name);
1809
1810                 foreach($app_base_themes as $t) {
1811                         if(file_exists('view/theme/' . $t . '/style.css')||
1812                                         file_exists('view/theme/' . $t . '/style.php'))
1813                                 return($t);
1814                 }
1815
1816                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1817                 if(count($fallback))
1818                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1819
1820         }
1821 }
1822
1823 /*
1824  * Return full URL to theme which is currently in effect.
1825 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1826 */
1827 if(! function_exists('current_theme_url')) {
1828         function current_theme_url() {
1829                 global $a;
1830                 $t = current_theme();
1831                 if (file_exists('view/theme/' . $t . '/style.php'))
1832                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1833                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1834         }
1835 }
1836
1837 if(! function_exists('feed_birthday')) {
1838         function feed_birthday($uid,$tz) {
1839
1840                 /**
1841                  *
1842                  * Determine the next birthday, but only if the birthday is published
1843                  * in the default profile. We _could_ also look for a private profile that the
1844                  * recipient can see, but somebody could get mad at us if they start getting
1845                  * public birthday greetings when they haven't made this info public.
1846                  *
1847                  * Assuming we are able to publish this info, we are then going to convert
1848                  * the start time from the owner's timezone to UTC.
1849                  *
1850                  * This will potentially solve the problem found with some social networks
1851                  * where birthdays are converted to the viewer's timezone and salutations from
1852                  * elsewhere in the world show up on the wrong day. We will convert it to the
1853                  * viewer's timezone also, but first we are going to convert it from the birthday
1854                  * person's timezone to GMT - so the viewer may find the birthday starting at
1855                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1856                  *
1857                  */
1858
1859
1860                 $birthday = '';
1861
1862                 if(! strlen($tz))
1863                         $tz = 'UTC';
1864
1865                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1866                                 intval($uid)
1867                 );
1868
1869                 if($p && count($p)) {
1870                         $tmp_dob = substr($p[0]['dob'],5);
1871                         if(intval($tmp_dob)) {
1872                                 $y = datetime_convert($tz,$tz,'now','Y');
1873                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1874                                 $t_dob = strtotime($bd);
1875                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1876                                 if($t_dob < $now)
1877                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1878                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1879                         }
1880                 }
1881
1882                 return $birthday;
1883         }
1884 }
1885
1886 if(! function_exists('is_site_admin')) {
1887         function is_site_admin() {
1888                 $a = get_app();
1889                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1890                         return true;
1891                 return false;
1892         }
1893 }
1894
1895
1896 if(! function_exists('load_contact_links')) {
1897         function load_contact_links($uid) {
1898
1899                 $a = get_app();
1900
1901                 $ret = array();
1902
1903                 if(! $uid || x($a->contacts,'empty'))
1904                         return;
1905
1906                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1907                                 intval($uid)
1908                 );
1909                 if(count($r)) {
1910                         foreach($r as $rr){
1911                                 $url = normalise_link($rr['url']);
1912                                 $ret[$url] = $rr;
1913                         }
1914                 }
1915                 else
1916                         $ret['empty'] = true;
1917                 $a->contacts = $ret;
1918                 return;
1919         }
1920 }
1921
1922 if(! function_exists('profile_tabs')){
1923         function profile_tabs($a, $is_owner=False, $nickname=Null){
1924                 //echo "<pre>"; var_dump($a->user); killme();
1925
1926                 if (is_null($nickname))
1927                         $nickname  = $a->user['nickname'];
1928
1929                 if(x($_GET,'tab'))
1930                         $tab = notags(trim($_GET['tab']));
1931
1932                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1933
1934                 $tabs = array(
1935                         array(
1936                                 'label'=>t('Status'),
1937                                 'url' => $url,
1938                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1939                                 'title' => t('Status Messages and Posts'),
1940                                 'id' => 'status-tab',
1941                         ),
1942                         array(
1943                                 'label' => t('Profile'),
1944                                 'url'   => $url.'/?tab=profile',
1945                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1946                                 'title' => t('Profile Details'),
1947                                 'id' => 'profile-tab',
1948                         ),
1949                         array(
1950                                 'label' => t('Photos'),
1951                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1952                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1953                                 'title' => t('Photo Albums'),
1954                                 'id' => 'photo-tab',
1955                         ),
1956                 );
1957
1958                 if ($is_owner){
1959                         $tabs[] = array(
1960                                 'label' => t('Events'),
1961                                 'url'   => $a->get_baseurl() . '/events',
1962                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1963                                 'title' => t('Events and Calendar'),
1964                                 'id' => 'events-tab',
1965                         );
1966                         $tabs[] = array(
1967                                 'label' => t('Personal Notes'),
1968                                 'url'   => $a->get_baseurl() . '/notes',
1969                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1970                                 'title' => t('Only You Can See This'),
1971                                 'id' => 'notes-tab',
1972                         );
1973                 }
1974
1975
1976                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1977                 call_hooks('profile_tabs', $arr);
1978
1979                 $tpl = get_markup_template('common_tabs.tpl');
1980
1981                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1982         }
1983 }
1984
1985 function get_my_url() {
1986         if(x($_SESSION,'my_url'))
1987                 return $_SESSION['my_url'];
1988         return false;
1989 }
1990
1991 function zrl_init(&$a) {
1992         $tmp_str = get_my_url();
1993         if(validate_url($tmp_str)) {
1994                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1995                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1996                 call_hooks('zrl_init',$arr);
1997         }
1998 }
1999
2000 function zrl($s,$force = false) {
2001         if(! strlen($s))
2002                 return $s;
2003         if((! strpos($s,'/profile/')) && (! $force))
2004                 return $s;
2005         if($force && substr($s,-1,1) !== '/')
2006                 $s = $s . '/';
2007         $achar = strpos($s,'?') ? '&' : '?';
2008         $mine = get_my_url();
2009         if($mine and ! link_compare($mine,$s))
2010                 return $s . $achar . 'zrl=' . urlencode($mine);
2011         return $s;
2012 }
2013
2014 /**
2015 * returns querystring as string from a mapped array
2016 *
2017 * @param params Array
2018 * @return string
2019 */
2020 function build_querystring($params, $name=null) {
2021     $ret = "";
2022     foreach($params as $key=>$val) {
2023         if(is_array($val)) {
2024             if($name==null) {
2025                 $ret .= build_querystring($val, $key);
2026             } else {
2027                 $ret .= build_querystring($val, $name."[$key]");
2028             }
2029         } else {
2030             $val = urlencode($val);
2031             if($name!=null) {
2032                 $ret.=$name."[$key]"."=$val&";
2033             } else {
2034                 $ret.= "$key=$val&";
2035             }
2036         }
2037     }
2038     return $ret;
2039 }
2040
2041 function explode_querystring($query) {
2042         $arg_st = strpos($query, '?');
2043         if($arg_st !== false) {
2044                 $base = substr($query, 0, $arg_st);
2045                 $arg_st += 1;
2046         }
2047         else {
2048                 $base = '';
2049                 $arg_st = 0;
2050         }
2051
2052         $args = explode('&', substr($query, $arg_st));
2053         foreach($args as $k=>$arg) {
2054                 if($arg === '')
2055                         unset($args[$k]);
2056         }
2057         $args = array_values($args);
2058
2059         if(!$base) {
2060                 $base = $args[0];
2061                 unset($args[0]);
2062                 $args = array_values($args);
2063         }
2064
2065         return array(
2066                 'base' => $base,
2067                 'args' => $args,
2068         );
2069 }
2070
2071 /**
2072 * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
2073 *
2074 * Taken from http://webcheatsheet.com/php/get_current_page_url.php
2075 */
2076 function curPageURL() {
2077         $pageURL = 'http';
2078         if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
2079         $pageURL .= "://";
2080         if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
2081                 $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
2082         } else {
2083                 $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
2084         }
2085         return $pageURL;
2086 }
2087
2088 function random_digits($digits) {
2089         $rn = '';
2090         for($i = 0; $i < $digits; $i++) {
2091                 $rn .= rand(0,9);
2092         }
2093         return $rn;
2094 }
2095
2096 function get_cachefile($file, $writemode = true) {
2097         $cache = get_config("system","itemcache");
2098
2099         if ($cache == "")
2100                 return("");
2101
2102         if (!is_dir($cache))
2103                 return("");
2104
2105         $subfolder = $cache."/".substr($file, 0, 2);
2106
2107         $cachepath = $subfolder."/".$file;
2108
2109         if ($writemode) {
2110                 if (!is_dir($subfolder)) {
2111                         mkdir($subfolder);
2112                         chmod($subfolder, 0777);
2113                 }
2114         }
2115
2116         return($cachepath);
2117 }
2118
2119 function clear_cache($basepath = "", $path = "") {
2120         if ($path == "") {
2121                 $basepath = get_config('system','itemcache');
2122                 $path = $basepath;
2123         }
2124
2125         if (($path == "") OR (!is_dir($path)))
2126                 return;
2127
2128         if (substr(realpath($path), 0, strlen($basepath)) != $basepath)
2129                 return;
2130
2131         $cachetime = (int)get_config('system','itemcache_duration');
2132         if ($cachetime == 0)
2133                 $cachetime = 86400;
2134
2135         if ($dh = opendir($path)) {
2136                 while (($file = readdir($dh)) !== false) {
2137                         $fullpath = $path."/".$file;
2138                         if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != ".."))
2139                                 clear_cache($basepath, $fullpath);
2140                         if ((filetype($fullpath) == "file") and (filectime($fullpath) < (time() - $cachetime)))
2141                                 unlink($fullpath);
2142                 }
2143                 closedir($dh);
2144         }
2145 }
2146
2147 function set_template_engine(&$a, $engine = 'internal') {
2148 // This function is no longer necessary, but keep it as a wrapper to the class method
2149 // to avoid breaking themes again unnecessarily
2150
2151         $a->set_template_engine($engine);
2152 }
2153