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 require_once('update.php');
  15 require_once('include/dbstructure.php');
  16
  17 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  18 define ( 'FRIENDICA_CODENAME',     'Ginger');
  19 define ( 'FRIENDICA_VERSION',      '3.3.3-RC' );
  20 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  21 define ( 'DB_UPDATE_VERSION',      1178      );
  22 define ( 'EOL',                    "<br />\r\n"     );
  23 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  24
  25
  26 /**
  27  *
  28  * Image storage quality. Lower numbers save space at cost of image detail.
  29  * For ease of upgrade, please do not change here. Change jpeg quality with
  30  * $a->config['system']['jpeg_quality'] = n;
  31  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  32  * below about 50
  33  *
  34  */
  35
  36 define ( 'JPEG_QUALITY',            100  );
  37 /**
  38  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  39  */
  40 define ( 'PNG_QUALITY',             8  );
  41
  42 /**
  43  *
  44  * An alternate way of limiting picture upload sizes. Specify the maximum pixel
  45  * length that pictures are allowed to be (for non-square pictures, it will apply
  46  * to the longest side). Pictures longer than this length will be resized to be
  47  * this length (on the longest side, the other side will be scaled appropriately).
  48  * Modify this value using
  49  *
  50  *    $a->config['system']['max_image_length'] = n;
  51  *
  52  * in .htconfig.php
  53  *
  54  * If you don't want to set a maximum length, set to -1. The default value is
  55  * defined by 'MAX_IMAGE_LENGTH' below.
  56  *
  57  */
  58 define ( 'MAX_IMAGE_LENGTH',        -1  );
  59
  60
  61 /**
  62  * Not yet used
  63  */
  64
  65 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  66
  67 /**
  68  * SSL redirection policies
  69  */
  70
  71 define ( 'SSL_POLICY_NONE',         0 );
  72 define ( 'SSL_POLICY_FULL',         1 );
  73 define ( 'SSL_POLICY_SELFSIGN',     2 );
  74
  75
  76 /**
  77  * log levels
  78  */
  79
  80 define ( 'LOGGER_NORMAL',          0 );
  81 define ( 'LOGGER_TRACE',           1 );
  82 define ( 'LOGGER_DEBUG',           2 );
  83 define ( 'LOGGER_DATA',            3 );
  84 define ( 'LOGGER_ALL',             4 );
  85
  86 /**
  87  * registration policies
  88  */
  89
  90 define ( 'REGISTER_CLOSED',        0 );
  91 define ( 'REGISTER_APPROVE',       1 );
  92 define ( 'REGISTER_OPEN',          2 );
  93
  94 /**
  95  * relationship types
  96  */
  97
  98 define ( 'CONTACT_IS_FOLLOWER', 1);
  99 define ( 'CONTACT_IS_SHARING',  2);
 100 define ( 'CONTACT_IS_FRIEND',   3);
 101
 102
 103 /**
 104  * DB update return values
 105  */
 106
 107 define ( 'UPDATE_SUCCESS', 0);
 108 define ( 'UPDATE_FAILED',  1);
 109
 110
 111 /**
 112  *
 113  * page/profile types
 114  *
 115  * PAGE_NORMAL is a typical personal profile account
 116  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
 117  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
 118  *      write access to wall and comments (no email and not included in page owner's ACL lists)
 119  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
 120  *
 121  */
 122
 123 define ( 'PAGE_NORMAL',            0 );
 124 define ( 'PAGE_SOAPBOX',           1 );
 125 define ( 'PAGE_COMMUNITY',         2 );
 126 define ( 'PAGE_FREELOVE',          3 );
 127 define ( 'PAGE_BLOG',              4 );
 128 define ( 'PAGE_PRVGROUP',          5 );
 129
 130 /**
 131  * Network and protocol family types
 132  */
 133
 134 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 135 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 136 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 137 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 138 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 139 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 140 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 141 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 142 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 143 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 144 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 145 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 146 define ( 'NETWORK_PUMPIO',           'pump');    // pump.io
 147 define ( 'NETWORK_TWITTER',          'twit');    // Twitter
 148 define ( 'NETWORK_DIASPORA2',        'dspc');    // Diaspora connector
 149 define ( 'NETWORK_STATUSNET',        'stac');    // Statusnet connector
 150 define ( 'NETWORK_APPNET',           'apdn');    // app.net
 151
 152 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 153
 154 /**
 155  * These numbers are used in stored permissions
 156  * and existing allocations MUST NEVER BE CHANGED
 157  * OR RE-ASSIGNED! You may only add to them.
 158  */
 159
 160 $netgroup_ids = array(
 161         NETWORK_DFRN     => (-1),
 162         NETWORK_ZOT      => (-2),
 163         NETWORK_OSTATUS  => (-3),
 164         NETWORK_FEED     => (-4),
 165         NETWORK_DIASPORA => (-5),
 166         NETWORK_MAIL     => (-6),
 167         NETWORK_MAIL2    => (-7),
 168         NETWORK_FACEBOOK => (-8),
 169         NETWORK_LINKEDIN => (-9),
 170         NETWORK_XMPP     => (-10),
 171         NETWORK_MYSPACE  => (-11),
 172         NETWORK_GPLUS    => (-12),
 173         NETWORK_PUMPIO   => (-13),
 174         NETWORK_TWITTER  => (-14),
 175         NETWORK_DIASPORA2 => (-15),
 176         NETWORK_STATUSNET => (-16),
 177         NETWORK_APPNET => (-17),
 178
 179         NETWORK_PHANTOM  => (-127),
 180 );
 181
 182
 183 /**
 184  * Maximum number of "people who like (or don't like) this"  that we will list by name
 185  */
 186
 187 define ( 'MAX_LIKERS',    75);
 188
 189 /**
 190  * Communication timeout
 191  */
 192
 193 define ( 'ZCURL_TIMEOUT' , (-1));
 194
 195
 196 /**
 197  * email notification options
 198  */
 199
 200 define ( 'NOTIFY_INTRO',    0x0001 );
 201 define ( 'NOTIFY_CONFIRM',  0x0002 );
 202 define ( 'NOTIFY_WALL',     0x0004 );
 203 define ( 'NOTIFY_COMMENT',  0x0008 );
 204 define ( 'NOTIFY_MAIL',     0x0010 );
 205 define ( 'NOTIFY_SUGGEST',  0x0020 );
 206 define ( 'NOTIFY_PROFILE',  0x0040 );
 207 define ( 'NOTIFY_TAGSELF',  0x0080 );
 208 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 209 define ( 'NOTIFY_POKE',     0x0200 );
 210 define ( 'NOTIFY_SHARE',    0x0400 );
 211
 212 define ( 'NOTIFY_SYSTEM',   0x8000 );
 213
 214
 215 /**
 216  * Tag/term types
 217  */
 218
 219 define ( 'TERM_UNKNOWN',   0 );
 220 define ( 'TERM_HASHTAG',   1 );
 221 define ( 'TERM_MENTION',   2 );
 222 define ( 'TERM_CATEGORY',  3 );
 223 define ( 'TERM_PCATEGORY', 4 );
 224 define ( 'TERM_FILE',      5 );
 225 define ( 'TERM_SAVEDSEARCH', 6 );
 226 define ( 'TERM_CONVERSATION', 7 );
 227
 228 define ( 'TERM_OBJ_POST',  1 );
 229 define ( 'TERM_OBJ_PHOTO', 2 );
 230
 231
 232
 233 /**
 234  * various namespaces we may need to parse
 235  */
 236
 237 define ( 'NAMESPACE_ZOT',             'http://purl.org/zot' );
 238 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 239 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 240 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 241 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 242 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 243 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 244 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 245 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 246 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 247 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 248 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 249 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 250 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 251 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 252 /**
 253  * activity stream defines
 254  */
 255
 256 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 257 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 258 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 259
 260 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 261 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 262 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 263 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 264 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 265 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 266
 267 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 268 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 269 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 270 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 271
 272 define ( 'ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke' );
 273 define ( 'ACTIVITY_MOOD',        NAMESPACE_ZOT . '/activity/mood' );
 274
 275 define ( 'ACTIVITY_OBJ_BOOKMARK', NAMESPACE_ACTIVITY_SCHEMA . 'bookmark' );
 276 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 277 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 278 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 279 define ( 'ACTIVITY_OBJ_IMAGE',   NAMESPACE_ACTIVITY_SCHEMA . 'image' );
 280 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 281 define ( 'ACTIVITY_OBJ_VIDEO',   NAMESPACE_ACTIVITY_SCHEMA . 'video' );
 282 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 283 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 284 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 285 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 286 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 287 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 288
 289 /**
 290  * item weight for query ordering
 291  */
 292
 293 define ( 'GRAVITY_PARENT',       0);
 294 define ( 'GRAVITY_LIKE',         3);
 295 define ( 'GRAVITY_COMMENT',      6);
 296
 297 /**
 298  *
 299  * Reverse the effect of magic_quotes_gpc if it is enabled.
 300  * Please disable magic_quotes_gpc so we don't have to do this.
 301  * See http://php.net/manual/en/security.magicquotes.disabling.php
 302  *
 303  */
 304
 305 function startup() {
 306
 307         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 308
 309         set_time_limit(0);
 310
 311         // This has to be quite large to deal with embedded private photos
 312         ini_set('pcre.backtrack_limit', 500000);
 313
 314
 315         if (get_magic_quotes_gpc()) {
 316                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 317                 while (list($key, $val) = each($process)) {
 318                         foreach ($val as $k => $v) {
 319                                 unset($process[$key][$k]);
 320                                 if (is_array($v)) {
 321                                         $process[$key][stripslashes($k)] = $v;
 322                                         $process[] = &$process[$key][stripslashes($k)];
 323                                 } else {
 324                                         $process[$key][stripslashes($k)] = stripslashes($v);
 325                                 }
 326                         }
 327                 }
 328                 unset($process);
 329         }
 330
 331 }
 332
 333 /**
 334  *
 335  * class: App
 336  *
 337  * Our main application structure for the life of this page
 338  * Primarily deals with the URL that got us here
 339  * and tries to make some sense of it, and
 340  * stores our page contents and config storage
 341  * and anything else that might need to be passed around
 342  * before we spit the page out.
 343  *
 344  */
 345
 346 if(! class_exists('App')) {
 347         class App {
 348
 349                 public  $module_loaded = false;
 350                 public  $query_string;
 351                 public  $config;
 352                 public  $page;
 353                 public  $profile;
 354                 public  $user;
 355                 public  $cid;
 356                 public  $contact;
 357                 public  $contacts;
 358                 public  $page_contact;
 359                 public  $content;
 360                 public  $data = array();
 361                 public  $error = false;
 362                 public  $cmd;
 363                 public  $argv;
 364                 public  $argc;
 365                 public  $module;
 366                 public  $pager;
 367                 public  $strings;
 368                 public  $path;
 369                 public  $hooks;
 370                 public  $timezone;
 371                 public  $interactive = true;
 372                 public  $plugins;
 373                 public  $apps = array();
 374                 public  $identities;
 375                 public  $is_mobile;
 376                 public  $is_tablet;
 377                 public  $performance = array();
 378
 379                 public $nav_sel;
 380
 381                 public $category;
 382
 383
 384                 // Allow themes to control internal parameters
 385                 // by changing App values in theme.php
 386
 387                 public  $sourcename = '';
 388                 public  $videowidth = 425;
 389                 public  $videoheight = 350;
 390                 public  $force_max_items = 0;
 391                 public  $theme_thread_allow = true;
 392
 393                 // An array for all theme-controllable parameters
 394                 // Mostly unimplemented yet. Only options 'stylesheet' and
 395                 // beyond are used.
 396
 397                 public  $theme = array(
 398                         'sourcename' => '',
 399                         'videowidth' => 425,
 400                         'videoheight' => 350,
 401                         'force_max_items' => 0,
 402                         'thread_allow' => true,
 403                         'stylesheet' => '',
 404                         'template_engine' => 'smarty3',
 405                 );
 406
 407                 // array of registered template engines ('name'=>'class name')
 408                 public $template_engines = array();
 409                 // array of instanced template engines ('name'=>'instance')
 410                 public $template_engine_instance = array();
 411
 412                 // Used for reducing load to the ostatus completion
 413                 public $last_ostatus_conversation_url;
 414
 415                 private $ldelim = array(
 416                         'internal' => '',
 417                         'smarty3' => '{{'
 418                 );
 419                 private $rdelim = array(
 420                         'internal' => '',
 421                         'smarty3' => '}}'
 422                 );
 423
 424                 private $scheme;
 425                 private $hostname;
 426                 private $baseurl;
 427                 private $db;
 428
 429                 private $curl_code;
 430                 private $curl_content_type;
 431                 private $curl_headers;
 432
 433                 private $cached_profile_image;
 434                 private $cached_profile_picdate;
 435
 436                 function __construct() {
 437
 438                         global $default_timezone;
 439
 440                         $hostname = "";
 441
 442                         if (file_exists(".htpreconfig.php"))
 443                                 @include(".htpreconfig.php");
 444
 445                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 446
 447                         date_default_timezone_set($this->timezone);
 448
 449                         $this->performance["start"] = microtime(true);
 450                         $this->performance["database"] = 0;
 451                         $this->performance["network"] = 0;
 452                         $this->performance["file"] = 0;
 453                         $this->performance["rendering"] = 0;
 454                         $this->performance["parser"] = 0;
 455                         $this->performance["marktime"] = 0;
 456                         $this->performance["markstart"] = microtime(true);
 457
 458                         $this->config = array();
 459                         $this->page = array();
 460                         $this->pager= array();
 461
 462                         $this->query_string = '';
 463
 464                         startup();
 465
 466                         set_include_path(
 467                                         'include' . PATH_SEPARATOR
 468                                         . 'library' . PATH_SEPARATOR
 469                                         . 'library/phpsec' . PATH_SEPARATOR
 470                                         . 'library/langdet' . PATH_SEPARATOR
 471                                         . '.' );
 472
 473
 474                         $this->scheme = 'http';
 475                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 476                                 $this->scheme = 'https';
 477                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 478                                 $this->scheme = 'https';
 479
 480                         if(x($_SERVER,'SERVER_NAME')) {
 481                                 $this->hostname = $_SERVER['SERVER_NAME'];
 482
 483                                 // See bug 437 - this didn't work so disabling it
 484                                 //if(stristr($this->hostname,'xn--')) {
 485                                         // PHP or webserver may have converted idn to punycode, so
 486                                         // convert punycode back to utf-8
 487                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 488                                 //      $x = new idna_convert();
 489                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 490                                 //}
 491
 492                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 493                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 494                                 /**
 495                                  * Figure out if we are running at the top of a domain
 496                                  * or in a sub-directory and adjust accordingly
 497                                  */
 498
 499                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 500                                 if(isset($path) && strlen($path) && ($path != $this->path))
 501                                         $this->path = $path;
 502                         }
 503
 504                         if ($hostname != "")
 505                                 $this->hostname = $hostname;
 506
 507                         if (is_array($_SERVER["argv"]) && $_SERVER["argc"]>1 && substr(end($_SERVER["argv"]), 0, 4)=="http" ) {
 508                                 $this->set_baseurl(array_pop($_SERVER["argv"]) );
 509                                 $_SERVER["argc"] --;
 510                         }
 511
 512                         #set_include_path("include/$this->hostname" . PATH_SEPARATOR . get_include_path());
 513
 514                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,9) === "pagename=") {
 515                                 $this->query_string = substr($_SERVER['QUERY_STRING'],9);
 516                                 // removing trailing / - maybe a nginx problem
 517                                 if (substr($this->query_string, 0, 1) == "/")
 518                                         $this->query_string = substr($this->query_string, 1);
 519                         } elseif((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 520                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 521                                 // removing trailing / - maybe a nginx problem
 522                                 if (substr($this->query_string, 0, 1) == "/")
 523                                         $this->query_string = substr($this->query_string, 1);
 524                         }
 525
 526                         if (x($_GET,'pagename'))
 527                                 $this->cmd = trim($_GET['pagename'],'/\\');
 528                         elseif (x($_GET,'q'))
 529                                 $this->cmd = trim($_GET['q'],'/\\');
 530
 531
 532                         // fix query_string
 533                         $this->query_string = str_replace($this->cmd."&",$this->cmd."?", $this->query_string);
 534
 535
 536                         // unix style "homedir"
 537
 538                         if(substr($this->cmd,0,1) === '~')
 539                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 540
 541                         // Diaspora style profile url
 542
 543                         if(substr($this->cmd,0,2) === 'u/')
 544                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 545
 546
 547                         /**
 548                          *
 549                          * Break the URL path into C style argc/argv style arguments for our
 550                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 551                          * will be 3 (integer) and $this->argv will contain:
 552                          *   [0] => 'module'
 553                          *   [1] => 'arg1'
 554                          *   [2] => 'arg2'
 555                          *
 556                          *
 557                          * There will always be one argument. If provided a naked domain
 558                          * URL, $this->argv[0] is set to "home".
 559                          *
 560                          */
 561
 562                         $this->argv = explode('/',$this->cmd);
 563                         $this->argc = count($this->argv);
 564                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 565                                 $this->module = str_replace(".", "_", $this->argv[0]);
 566                                 $this->module = str_replace("-", "_", $this->module);
 567                         }
 568                         else {
 569                                 $this->argc = 1;
 570                                 $this->argv = array('home');
 571                                 $this->module = 'home';
 572                         }
 573
 574                         /**
 575                          * See if there is any page number information, and initialise
 576                          * pagination
 577                          */
 578
 579                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 580                         $this->pager['itemspage'] = 50;
 581                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 582                         if($this->pager['start'] < 0)
 583                                 $this->pager['start'] = 0;
 584                         $this->pager['total'] = 0;
 585
 586                         /**
 587                          * Detect mobile devices
 588                          */
 589
 590                         $mobile_detect = new Mobile_Detect();
 591                         $this->is_mobile = $mobile_detect->isMobile();
 592                         $this->is_tablet = $mobile_detect->isTablet();
 593
 594                         /**
 595                          * register template engines
 596                          */
 597                         $dc = get_declared_classes();
 598                         foreach ($dc as $k) {
 599                                 if (in_array("ITemplateEngine", class_implements($k))){
 600                                         $this->register_template_engine($k);
 601                                 }
 602                         }
 603
 604                 }
 605
 606                 function get_basepath() {
 607
 608                         $basepath = get_config("system", "basepath");
 609
 610                         if ($basepath == "")
 611                                 $basepath = $_SERVER["DOCUMENT_ROOT"];
 612
 613                         if ($basepath == "")
 614                                 $basepath = $_SERVER["PWD"];
 615
 616                         return($basepath);
 617                 }
 618
 619                 function get_scheme() {
 620                         return($this->scheme);
 621                 }
 622
 623                 function get_baseurl($ssl = false) {
 624
 625                         $scheme = $this->scheme;
 626
 627                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 628                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 629                                         $scheme = 'https';
 630
 631                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 632                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 633
 634                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 635                                         if($ssl)
 636                                                 $scheme = 'https';
 637                                         else
 638                                                 $scheme = 'http';
 639                                 }
 640                         }
 641
 642                         if (get_config('config','hostname') != "")
 643                                 $this->hostname = get_config('config','hostname');
 644
 645                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 646                         return $this->baseurl;
 647                 }
 648
 649                 function set_baseurl($url) {
 650                         $parsed = @parse_url($url);
 651
 652                         $this->baseurl = $url;
 653
 654                         if($parsed) {
 655                                 $this->scheme = $parsed['scheme'];
 656
 657                                 $hostname = $parsed['host'];
 658                                 if(x($parsed,'port'))
 659                                         $hostname .= ':' . $parsed['port'];
 660                                 if(x($parsed,'path'))
 661                                         $this->path = trim($parsed['path'],'\\/');
 662
 663                                 if (file_exists(".htpreconfig.php"))
 664                                         @include(".htpreconfig.php");
 665
 666                                 if (get_config('config','hostname') != "")
 667                                         $this->hostname = get_config('config','hostname');
 668
 669                                 if (!isset($this->hostname) OR ($this->hostname == ""))
 670                                         $this->hostname = $hostname;
 671                         }
 672
 673                 }
 674
 675                 function get_hostname() {
 676                         if (get_config('config','hostname') != "")
 677                                 $this->hostname = get_config('config','hostname');
 678
 679                         return $this->hostname;
 680                 }
 681
 682                 function set_hostname($h) {
 683                         $this->hostname = $h;
 684                 }
 685
 686                 function set_path($p) {
 687                         $this->path = trim(trim($p),'/');
 688                 }
 689
 690                 function get_path() {
 691                         return $this->path;
 692                 }
 693
 694                 function set_pager_total($n) {
 695                         $this->pager['total'] = intval($n);
 696                 }
 697
 698                 function set_pager_itemspage($n) {
 699                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 700                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 701                 }
 702
 703                 function set_pager_page($n) {
 704                         $this->pager['page'] = $n;
 705                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 706                 }
 707
 708                 function init_pagehead() {
 709                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 710                         if($interval < 10000)
 711                                 $interval = 40000;
 712
 713                         $this->page['title'] = $this->config['sitename'];
 714
 715                         /* put the head template at the beginning of page['htmlhead']
 716                          * since the code added by the modules frequently depends on it
 717                          * being first
 718                          */
 719                         if(!isset($this->page['htmlhead']))
 720                                 $this->page['htmlhead'] = '';
 721
 722                         // If we're using Smarty, then doing replace_macros() will replace
 723                         // any unrecognized variables with a blank string. Since we delay
 724                         // replacing $stylesheet until later, we need to replace it now
 725                         // with another variable name
 726                         if($this->theme['template_engine'] === 'smarty3')
 727                                 $stylesheet = $this->get_template_ldelim('smarty3') . '$stylesheet' . $this->get_template_rdelim('smarty3');
 728                         else
 729                                 $stylesheet = '$stylesheet';
 730
 731                         $shortcut_icon = get_config("system", "shortcut_icon");
 732                         if ($shortcut_icon == "")
 733                                 $shortcut_icon = $this->get_baseurl()."/images/friendica-32.png";
 734
 735                         $touch_icon = get_config("system", "touch_icon");
 736                         if ($touch_icon == "")
 737                                 $touch_icon = $this->get_baseurl()."/images/friendica-128.png";
 738
 739                         $tpl = get_markup_template('head.tpl');
 740                         $this->page['htmlhead'] = replace_macros($tpl,array(
 741                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 742                                 '$local_user' => local_user(),
 743                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 744                                 '$delitem' => t('Delete this item?'),
 745                                 '$comment' => t('Comment'),
 746                                 '$showmore' => t('show more'),
 747                                 '$showfewer' => t('show fewer'),
 748                                 '$update_interval' => $interval,
 749                                 '$shortcut_icon' => $shortcut_icon,
 750                                 '$touch_icon' => $touch_icon,
 751                                 '$stylesheet' => $stylesheet
 752                         )) . $this->page['htmlhead'];
 753                 }
 754
 755                 function init_page_end() {
 756                         if(!isset($this->page['end']))
 757                                 $this->page['end'] = '';
 758                         $tpl = get_markup_template('end.tpl');
 759                         $this->page['end'] = replace_macros($tpl,array(
 760                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
 761                         )) . $this->page['end'];
 762                 }
 763
 764                 function set_curl_code($code) {
 765                         $this->curl_code = $code;
 766                 }
 767
 768                 function get_curl_code() {
 769                         return $this->curl_code;
 770                 }
 771
 772                 function set_curl_content_type($content_type) {
 773                         $this->curl_content_type = $content_type;
 774                 }
 775
 776                 function get_curl_content_type() {
 777                         return $this->curl_content_type;
 778                 }
 779
 780                 function set_curl_headers($headers) {
 781                         $this->curl_headers = $headers;
 782                 }
 783
 784                 function get_curl_headers() {
 785                         return $this->curl_headers;
 786                 }
 787
 788                 function get_cached_avatar_image($avatar_image){
 789                         if($this->cached_profile_image[$avatar_image])
 790                                 return $this->cached_profile_image[$avatar_image];
 791
 792                         $path_parts = explode("/",$avatar_image);
 793                         $common_filename = $path_parts[count($path_parts)-1];
 794
 795                         if($this->cached_profile_picdate[$common_filename]){
 796                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 797                         } else {
 798                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like '%%/%s'",
 799                                         $common_filename);
 800                                 if(! count($r)){
 801                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 802                                 } else {
 803                                         $this->cached_profile_picdate[$common_filename] = "?rev=".urlencode($r[0]['picdate']);
 804                                         $this->cached_profile_image[$avatar_image] = $avatar_image.$this->cached_profile_picdate[$common_filename];
 805                                 }
 806                         }
 807                         return $this->cached_profile_image[$avatar_image];
 808                 }
 809
 810
 811                 /**
 812                  * register template engine class
 813                  * if $name is "", is used class static property $class::$name
 814                  * @param string $class
 815                  * @param string $name
 816                  */
 817                 function register_template_engine($class, $name = '') {
 818                         if ($name===""){
 819                                 $v = get_class_vars( $class );
 820                                 if(x($v,"name")) $name = $v['name'];
 821                         }
 822                         if ($name===""){
 823                                 echo "template engine <tt>$class</tt> cannot be registered without a name.\n";
 824                                 killme();
 825                         }
 826                         $this->template_engines[$name] = $class;
 827                 }
 828
 829                 /**
 830                  * return template engine instance. If $name is not defined,
 831                  * return engine defined by theme, or default
 832                  *
 833                  * @param strin $name Template engine name
 834                  * @return object Template Engine instance
 835                  */
 836                 function template_engine($name = ''){
 837                         if ($name!=="") {
 838                                 $template_engine = $name;
 839                         } else {
 840                                 $template_engine = 'smarty3';
 841                                 if (x($this->theme, 'template_engine')) {
 842                                         $template_engine = $this->theme['template_engine'];
 843                                 }
 844                         }
 845
 846                         if (isset($this->template_engines[$template_engine])){
 847                                 if(isset($this->template_engine_instance[$template_engine])){
 848                                         return $this->template_engine_instance[$template_engine];
 849                                 } else {
 850                                         $class = $this->template_engines[$template_engine];
 851                                         $obj = new $class;
 852                                         $this->template_engine_instance[$template_engine] = $obj;
 853                                         return $obj;
 854                                 }
 855                         }
 856
 857                         echo "template engine <tt>$template_engine</tt> is not registered!\n"; killme();
 858                 }
 859
 860                 function get_template_engine() {
 861                         return $this->theme['template_engine'];
 862                 }
 863
 864                 function set_template_engine($engine = 'smarty3') {
 865                         $this->theme['template_engine'] = $engine;
 866                         /*
 867                         $this->theme['template_engine'] = 'smarty3';
 868
 869                         switch($engine) {
 870                                 case 'smarty3':
 871                                         if(is_writable('view/smarty3/'))
 872                                                 $this->theme['template_engine'] = 'smarty3';
 873                                         break;
 874                                 default:
 875                                         break;
 876                         }
 877                         */
 878                 }
 879
 880                 function get_template_ldelim($engine = 'smarty3') {
 881                         return $this->ldelim[$engine];
 882                 }
 883
 884                 function get_template_rdelim($engine = 'smarty3') {
 885                         return $this->rdelim[$engine];
 886                 }
 887
 888                 function save_timestamp($stamp, $value) {
 889                         $duration = (float)(microtime(true)-$stamp);
 890
 891                         $this->performance[$value] += (float)$duration;
 892                         $this->performance["marktime"] += (float)$duration;
 893                 }
 894
 895                 function mark_timestamp($mark) {
 896                         //$this->performance["markstart"] -= microtime(true) - $this->performance["marktime"];
 897                         $this->performance["markstart"] = microtime(true) - $this->performance["markstart"] - $this->performance["marktime"];
 898                 }
 899
 900                 function get_useragent() {
 901                         return(FRIENDICA_PLATFORM." '".FRIENDICA_CODENAME."' ".FRIENDICA_VERSION."-".DB_UPDATE_VERSION."; ".$this->get_baseurl());
 902                 }
 903
 904         }
 905 }
 906
 907 // retrieve the App structure
 908 // useful in functions which require it but don't get it passed to them
 909
 910 if(! function_exists('get_app')) {
 911         function get_app() {
 912                 global $a;
 913                 return $a;
 914         }
 915 };
 916
 917
 918 // Multi-purpose function to check variable state.
 919 // Usage: x($var) or $x($array,'key')
 920 // returns false if variable/key is not set
 921 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 922 // e.g. x('') or x(0) returns 0;
 923
 924 if(! function_exists('x')) {
 925         function x($s,$k = NULL) {
 926                 if($k != NULL) {
 927                         if((is_array($s)) && (array_key_exists($k,$s))) {
 928                                 if($s[$k])
 929                                         return (int) 1;
 930                                 return (int) 0;
 931                 }
 932                         return false;
 933                 }
 934                 else {
 935                         if(isset($s)) {
 936                                 if($s) {
 937                                         return (int) 1;
 938                                 }
 939                                 return (int) 0;
 940                         }
 941                         return false;
 942                 }
 943         }
 944 }
 945
 946 // called from db initialisation if db is dead.
 947
 948 if(! function_exists('system_unavailable')) {
 949         function system_unavailable() {
 950                 include('system_unavailable.php');
 951                 system_down();
 952                 killme();
 953         }
 954 }
 955
 956
 957
 958 function clean_urls() {
 959         global $a;
 960         //      if($a->config['system']['clean_urls'])
 961         return true;
 962         //      return false;
 963 }
 964
 965 function z_path() {
 966         global $a;
 967         $base = $a->get_baseurl();
 968         if(! clean_urls())
 969                 $base .= '/?q=';
 970         return $base;
 971 }
 972
 973 function z_root() {
 974         global $a;
 975         return $a->get_baseurl();
 976 }
 977
 978 function absurl($path) {
 979         if(strpos($path,'/') === 0)
 980                 return z_path() . $path;
 981         return $path;
 982 }
 983
 984 function is_ajax() {
 985         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 986 }
 987
 988 function check_db() {
 989
 990         $build = get_config('system','build');
 991         if(! x($build)) {
 992                 set_config('system','build',DB_UPDATE_VERSION);
 993                 $build = DB_UPDATE_VERSION;
 994         }
 995         if($build != DB_UPDATE_VERSION)
 996                 proc_run('php', 'include/dbupdate.php');
 997
 998 }
 999
1000
1001
1002
1003 // Sets the base url for use in cmdline programs which don't have
1004 // $_SERVER variables
1005
1006 if(! function_exists('check_url')) {
1007         function check_url(&$a) {
1008
1009                 $url = get_config('system','url');
1010
1011                 // if the url isn't set or the stored url is radically different
1012                 // than the currently visited url, store the current value accordingly.
1013                 // "Radically different" ignores common variations such as http vs https
1014                 // and www.example.com vs example.com.
1015                 // We will only change the url to an ip address if there is no existing setting
1016
1017                 if(! x($url))
1018                         $url = set_config('system','url',$a->get_baseurl());
1019                 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
1020                         $url = set_config('system','url',$a->get_baseurl());
1021
1022                 return;
1023         }
1024 }
1025
1026
1027 // Automatic database updates
1028
1029 if(! function_exists('update_db')) {
1030         function update_db(&$a) {
1031                 $build = get_config('system','build');
1032                 if(! x($build))
1033                         $build = set_config('system','build',DB_UPDATE_VERSION);
1034
1035                 if($build != DB_UPDATE_VERSION) {
1036                         $stored = intval($build);
1037                         $current = intval(DB_UPDATE_VERSION);
1038                         if($stored < $current) {
1039                                 load_config('database');
1040
1041                                 // We're reporting a different version than what is currently installed.
1042                                 // Run any existing update scripts to bring the database up to current.
1043
1044                                 // make sure that boot.php and update.php are the same release, we might be
1045                                 // updating right this very second and the correct version of the update.php
1046                                 // file may not be here yet. This can happen on a very busy site.
1047
1048                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
1049                                         // Compare the current structure with the defined structure
1050
1051                                         $t = get_config('database','dbupdate_'.DB_UPDATE_VERSION);
1052                                         if($t !== false)
1053                                                 return;
1054
1055                                         set_config('database','dbupdate_'.DB_UPDATE_VERSION, time());
1056
1057                                         // run old update routine (wich could modify the schema and
1058                                         // conflits with new routine)
1059                                         for ($x = $stored; $x < NEW_UPDATE_ROUTINE_VERSION; $x++) {
1060                                                 $r = run_update_function($x);
1061                                                 if (!$r) break;
1062                                         }
1063                                         if ($stored < NEW_UPDATE_ROUTINE_VERSION) $stored = NEW_UPDATE_ROUTINE_VERSION;
1064
1065
1066                                         // run new update routine
1067                                         // it update the structure in one call
1068                                         $retval = update_structure(false, true);
1069                                         if($retval) {
1070                                                 update_fail(
1071                                                         DB_UPDATE_VERSION,
1072                                                         $retval
1073                                                 );
1074                                                 return;
1075                                         } else {
1076                                                 set_config('database','dbupdate_'.DB_UPDATE_VERSION, 'success');
1077                                         }
1078
1079                                         // run any left update_nnnn functions in update.php
1080                                         for($x = $stored; $x < $current; $x ++) {
1081                                                 $r = run_update_function($x);
1082                                                 if (!$r) break;
1083                                         }
1084                                 }
1085                         }
1086                 }
1087
1088                 return;
1089         }
1090 }
1091 if(!function_exists('run_update_function')){
1092         function run_update_function($x) {
1093                 if(function_exists('update_' . $x)) {
1094
1095                         // There could be a lot of processes running or about to run.
1096                         // We want exactly one process to run the update command.
1097                         // So store the fact that we're taking responsibility
1098                         // after first checking to see if somebody else already has.
1099
1100                         // If the update fails or times-out completely you may need to
1101                         // delete the config entry to try again.
1102
1103                         $t = get_config('database','update_' . $x);
1104                         if($t !== false)
1105                                 return false;
1106                         set_config('database','update_' . $x, time());
1107
1108                         // call the specific update
1109
1110                         $func = 'update_' . $x;
1111                         $retval = $func();
1112
1113                         if($retval) {
1114                                 //send the administrator an e-mail
1115                                 update_fail(
1116                                         $x,
1117                                         sprintf(t('Update %s failed. See error logs.'), $x)
1118                                 );
1119                                 return false;
1120                         } else {
1121                                 set_config('database','update_' . $x, 'success');
1122                                 set_config('system','build', $x + 1);
1123                                 return true;
1124                         }
1125                 } else {
1126                         set_config('database','update_' . $x, 'success');
1127                         set_config('system','build', $x + 1);
1128                         return true;
1129                 }
1130                 return true;
1131         }
1132 }
1133
1134
1135 if(! function_exists('check_plugins')) {
1136         function check_plugins(&$a) {
1137
1138                 /**
1139                  *
1140                  * Synchronise plugins:
1141                  *
1142                  * $a->config['system']['addon'] contains a comma-separated list of names
1143                  * of plugins/addons which are used on this system.
1144                  * Go through the database list of already installed addons, and if we have
1145                  * an entry, but it isn't in the config list, call the uninstall procedure
1146                  * and mark it uninstalled in the database (for now we'll remove it).
1147                  * Then go through the config list and if we have a plugin that isn't installed,
1148                  * call the install procedure and add it to the database.
1149                  *
1150                  */
1151
1152                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
1153                 if(count($r))
1154                         $installed = $r;
1155                 else
1156                         $installed = array();
1157
1158                 $plugins = get_config('system','addon');
1159                 $plugins_arr = array();
1160
1161                 if($plugins)
1162                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
1163
1164                 $a->plugins = $plugins_arr;
1165
1166                 $installed_arr = array();
1167
1168                 if(count($installed)) {
1169                         foreach($installed as $i) {
1170                                 if(! in_array($i['name'],$plugins_arr)) {
1171                                         uninstall_plugin($i['name']);
1172                                 }
1173                                 else {
1174                                         $installed_arr[] = $i['name'];
1175                                 }
1176                         }
1177                 }
1178
1179                 if(count($plugins_arr)) {
1180                         foreach($plugins_arr as $p) {
1181                                 if(! in_array($p,$installed_arr)) {
1182                                         install_plugin($p);
1183                                 }
1184                         }
1185                 }
1186
1187
1188                 load_hooks();
1189
1190                 return;
1191         }
1192 }
1193
1194 function get_guid($size=16) {
1195         $exists = true; // assume by default that we don't have a unique guid
1196         do {
1197                 $prefix = "";
1198                 while (strlen($prefix) < ($size - 13))
1199                         $prefix .= mt_rand();
1200
1201                 $s = substr(uniqid($prefix), -$size);
1202
1203                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
1204                 if(! count($r))
1205                         $exists = false;
1206         } while($exists);
1207         q("insert into guid (guid) values ('%s') ", dbesc($s));
1208         return $s;
1209 }
1210
1211 /*function get_guid($size=16) {
1212         $exists = true; // assume by default that we don't have a unique guid
1213         do {
1214                 $s = random_string($size);
1215                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
1216                 if(! count($r))
1217                         $exists = false;
1218         } while($exists);
1219         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
1220         return $s;
1221 }*/
1222
1223
1224 // wrapper for adding a login box. If $register == true provide a registration
1225 // link. This will most always depend on the value of $a->config['register_policy'].
1226 // returns the complete html for inserting into the page
1227
1228 if(! function_exists('login')) {
1229         function login($register = false, $hiddens=false) {
1230                 $a = get_app();
1231                 $o = "";
1232                 $reg = false;
1233                 if ($register) {
1234                         $reg = array(
1235                                 'title' => t('Create a New Account'),
1236                                 'desc' => t('Register')
1237                         );
1238                 }
1239
1240                 $noid = get_config('system','no_openid');
1241
1242                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
1243
1244                 if(local_user()) {
1245                         $tpl = get_markup_template("logout.tpl");
1246                 }
1247                 else {
1248                         $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
1249                                 '$baseurl'              => $a->get_baseurl(true)
1250                         ));
1251
1252                         $tpl = get_markup_template("login.tpl");
1253                         $_SESSION['return_url'] = $a->query_string;
1254                         $a->module = 'login';
1255                 }
1256
1257                 $o .= replace_macros($tpl, array(
1258
1259                         '$dest_url'     => $dest_url,
1260                         '$logout'       => t('Logout'),
1261                         '$login'        => t('Login'),
1262
1263                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
1264                         '$lpassword'    => array('password', t('Password: '), '', ''),
1265                         '$lremember'    => array('remember', t('Remember me'), 0,  ''),
1266
1267                         '$openid'               => !$noid,
1268                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
1269
1270                         '$hiddens'      => $hiddens,
1271
1272                         '$register'     => $reg,
1273
1274                         '$lostpass'     => t('Forgot your password?'),
1275                         '$lostlink'     => t('Password Reset'),
1276
1277                         '$tostitle'     => t('Website Terms of Service'),
1278                         '$toslink'      => t('terms of service'),
1279
1280                         '$privacytitle' => t('Website Privacy Policy'),
1281                         '$privacylink'  => t('privacy policy'),
1282
1283                 ));
1284
1285                 call_hooks('login_hook',$o);
1286
1287                 return $o;
1288         }
1289 }
1290
1291 // Used to end the current process, after saving session state.
1292
1293 if(! function_exists('killme')) {
1294         function killme() {
1295                 session_write_close();
1296                 exit;
1297         }
1298 }
1299
1300 // redirect to another URL and terminate this process.
1301
1302 if(! function_exists('goaway')) {
1303         function goaway($s) {
1304                 header("Location: $s");
1305                 killme();
1306         }
1307 }
1308
1309
1310 // Returns the uid of locally logged in user or false.
1311
1312 if(! function_exists('local_user')) {
1313         function local_user() {
1314                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
1315                         return intval($_SESSION['uid']);
1316                 return false;
1317         }
1318 }
1319
1320 // Returns contact id of authenticated site visitor or false
1321
1322 if(! function_exists('remote_user')) {
1323         function remote_user() {
1324                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
1325                         return intval($_SESSION['visitor_id']);
1326                 return false;
1327         }
1328 }
1329
1330 // contents of $s are displayed prominently on the page the next time
1331 // a page is loaded. Usually used for errors or alerts.
1332
1333 if(! function_exists('notice')) {
1334         /**
1335          * Show an error message to user.
1336          *
1337          * This function save text in session, to be shown to the user at next page load
1338          *
1339          * @param string $s - Text of notice
1340          */
1341         function notice($s) {
1342                 $a = get_app();
1343                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
1344                 if($a->interactive)
1345                         $_SESSION['sysmsg'][] = $s;
1346         }
1347 }
1348 if(! function_exists('info')) {
1349         /**
1350          * Show an info message to user.
1351          *
1352          * This function save text in session, to be shown to the user at next page load
1353          *
1354          * @param string $s - Text of notice
1355          */
1356         function info($s) {
1357                 $a = get_app();
1358
1359                 if (local_user() AND get_pconfig(local_user(),'system','ignore_info'))
1360                         return;
1361
1362                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
1363                 if($a->interactive)
1364                         $_SESSION['sysmsg_info'][] = $s;
1365         }
1366 }
1367
1368
1369 // wrapper around config to limit the text length of an incoming message
1370
1371 if(! function_exists('get_max_import_size')) {
1372         function get_max_import_size() {
1373                 global $a;
1374                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1375         }
1376 }
1377
1378
1379
1380 /**
1381  *
1382  * Function : profile_load
1383  * @parameter App    $a
1384  * @parameter string $nickname
1385  * @parameter int    $profile
1386  *
1387  * Summary: Loads a profile into the page sidebar.
1388  * The function requires a writeable copy of the main App structure, and the nickname
1389  * of a registered local account.
1390  *
1391  * If the viewer is an authenticated remote viewer, the profile displayed is the
1392  * one that has been configured for his/her viewing in the Contact manager.
1393  * Passing a non-zero profile ID can also allow a preview of a selected profile
1394  * by the owner.
1395  *
1396  * Profile information is placed in the App structure for later retrieval.
1397  * Honours the owner's chosen theme for display.
1398  *
1399  * IMPORTANT: Should only be run in the _init() functions of a module. That ensures that
1400  * the theme is chosen before the _init() function of a theme is run, which will usually
1401  * load a lot of theme-specific content
1402  *
1403  */
1404
1405 if(! function_exists('profile_load')) {
1406         function profile_load(&$a, $nickname, $profile = 0, $profiledata = array()) {
1407
1408                 $user = q("SELECT `uid` FROM `user` WHERE `nickname` = '%s' LIMIT 1",
1409                         dbesc($nickname)
1410                 );
1411
1412                 if(!$user && count($user) && !count($profiledata)) {
1413                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1414                         notice( t('Requested account is not available.') . EOL );
1415                         $a->error = 404;
1416                         return;
1417                 }
1418
1419                 if(remote_user() && count($_SESSION['remote'])) {
1420                         foreach($_SESSION['remote'] as $visitor) {
1421                                 if($visitor['uid'] == $user[0]['uid']) {
1422                                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1423                                                 intval($visitor['cid'])
1424                                         );
1425                                         if(count($r))
1426                                                 $profile = $r[0]['profile-id'];
1427                                         break;
1428                                 }
1429                         }
1430                 }
1431
1432                 $r = null;
1433
1434                 if($profile) {
1435                         $profile_int = intval($profile);
1436                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1437                                         INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
1438                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1439                                         dbesc($nickname),
1440                                         intval($profile_int)
1441                         );
1442                 }
1443                 if((!$r) && (!count($r))) {
1444                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1445                                         INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
1446                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1447                                         dbesc($nickname)
1448                         );
1449                 }
1450
1451                 if(($r === false) || (!count($r)) && !count($profiledata)) {
1452                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1453                         notice( t('Requested profile is not available.') . EOL );
1454                         $a->error = 404;
1455                         return;
1456                 }
1457
1458                 // fetch user tags if this isn't the default profile
1459
1460                 if(!$r[0]['is-default']) {
1461                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1462                                         intval($r[0]['profile_uid'])
1463                         );
1464                         if($x && count($x))
1465                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1466                 }
1467
1468                 $a->profile = $r[0];
1469
1470                 $a->profile['mobile-theme'] = get_pconfig($a->profile['profile_uid'], 'system', 'mobile_theme');
1471                 $a->profile['network'] = NETWORK_DFRN;
1472
1473                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1474
1475                 if (!$profiledata)
1476                         $_SESSION['theme'] = $a->profile['theme'];
1477
1478                 $_SESSION['mobile-theme'] = $a->profile['mobile-theme'];
1479
1480                 /**
1481                  * load/reload current theme info
1482                  */
1483
1484                 $a->set_template_engine(); // reset the template engine to the default in case the user's theme doesn't specify one
1485
1486                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1487                 if (file_exists($theme_info_file)){
1488                         require_once($theme_info_file);
1489                 }
1490
1491                 if(! (x($a->page,'aside')))
1492                         $a->page['aside'] = '';
1493
1494                 if(local_user() && local_user() == $a->profile['uid'] && $profiledata) {
1495                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1496                                 '$editprofile' => t('Edit profile'),
1497                                 '$profid' => $a->profile['id']
1498                         ));
1499                 }
1500
1501                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1502
1503                 // To-Do:
1504                 // By now, the contact block isn't shown, when a different profile is given
1505                 // But: When this profile was on the same server, then we could display the contacts
1506                 if ($profiledata)
1507                         $a->page['aside'] .= profile_sidebar($profiledata, true);
1508                 else
1509                         $a->page['aside'] .= profile_sidebar($a->profile, $block);
1510
1511
1512                 /*if(! $block)
1513                  $a->page['aside'] .= contact_block();*/
1514
1515                 return;
1516         }
1517 }
1518
1519
1520 /**
1521  *
1522  * Function: profile_sidebar
1523  *
1524  * Formats a profile for display in the sidebar.
1525  * It is very difficult to templatise the HTML completely
1526  * because of all the conditional logic.
1527  *
1528  * @parameter: array $profile
1529  *
1530  * Returns HTML string stuitable for sidebar inclusion
1531  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1532  *
1533  */
1534
1535
1536 if(! function_exists('profile_sidebar')) {
1537         function profile_sidebar($profile, $block = 0) {
1538                 $a = get_app();
1539
1540                 $o = '';
1541                 $location = false;
1542                 $address = false;
1543                 $pdesc = true;
1544
1545                 if((! is_array($profile)) && (! count($profile)))
1546                         return $o;
1547
1548                 $profile['picdate'] = urlencode($profile['picdate']);
1549
1550                 if (($profile['network'] != "") AND ($profile['network'] != NETWORK_DFRN)) {
1551                         require_once('include/contact_selectors.php');
1552                         if ($profile['url'] != "")
1553                                 $profile['network_name'] = '<a href="'.$profile['url'].'">'.network_to_name($profile['network'])."</a>";
1554                         else
1555                                 $profile['network_name'] = network_to_name($profile['network']);
1556                 } else
1557                         $profile['network_name'] = "";
1558
1559                 call_hooks('profile_sidebar_enter', $profile);
1560
1561
1562                 // don't show connect link to yourself
1563                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1564
1565                 // don't show connect link to authenticated visitors either
1566                 if(remote_user() && count($_SESSION['remote'])) {
1567                         foreach($_SESSION['remote'] as $visitor) {
1568                                 if($visitor['uid'] == $profile['uid']) {
1569                                         $connect = false;
1570                                         break;
1571                                 }
1572                         }
1573                 }
1574
1575                 // Is the local user already connected to that user?
1576                 if ($connect AND local_user()) {
1577                         if (isset($profile["url"]))
1578                                 $profile_url = normalise_link($profile["url"]);
1579                         else
1580                                 $profile_url = normalise_link($a->get_baseurl()."/profile/".$profile["nickname"]);
1581
1582                         $r = q("SELECT * FROM `contact` WHERE NOT `pending` AND `uid` = %d AND `nurl` = '%s'",
1583                                 local_user(), $profile_url);
1584                         if (count($r))
1585                                 $connect = false;
1586                 }
1587
1588                 if ($connect AND ($profile['network'] != NETWORK_DFRN) AND !isset($profile['remoteconnect']))
1589                                 $connect = false;
1590
1591                 if (isset($profile['remoteconnect']))
1592                         $remoteconnect = $profile['remoteconnect'];
1593
1594                 if( get_my_url() && $profile['unkmail'] && ($profile['uid'] != local_user()) )
1595                         $wallmessage = t('Message');
1596                 else
1597                         $wallmessage = false;
1598
1599                 // show edit profile to yourself
1600                 if ($profile['uid'] == local_user() && feature_enabled(local_user(),'multi_profiles')) {
1601                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1602                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1603                                         local_user());
1604
1605                         $profile['menu'] = array(
1606                                 'chg_photo' => t('Change profile photo'),
1607                                 'cr_new' => t('Create New Profile'),
1608                                 'entries' => array(),
1609                         );
1610
1611                         if(count($r)) {
1612
1613                                 foreach($r as $rr) {
1614                                         $profile['menu']['entries'][] = array(
1615                                                 'photo' => $rr['thumb'],
1616                                                 'id' => $rr['id'],
1617                                                 'alt' => t('Profile Image'),
1618                                                 'profile_name' => $rr['profile-name'],
1619                                                 'isdefault' => $rr['is-default'],
1620                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1621                                                 'edit_visibility' => t('Edit visibility'),
1622
1623                                         );
1624                                 }
1625
1626
1627                         }
1628                 }
1629                 if ($profile['uid'] == local_user() && !feature_enabled(local_user(),'multi_profiles')) {
1630                         $profile['edit'] = array($a->get_baseurl(). '/profiles/'.$profile['id'], t('Edit profile'),"", t('Edit profile'));
1631                         $profile['menu'] = array(
1632                                 'chg_photo' => t('Change profile photo'),
1633                                 'cr_new' => null,
1634                                 'entries' => array(),
1635                         );
1636                 }
1637
1638                 if((x($profile,'address') == 1)
1639                                 || (x($profile,'locality') == 1)
1640                                 || (x($profile,'region') == 1)
1641                                 || (x($profile,'postal-code') == 1)
1642                                 || (x($profile,'country-name') == 1))
1643                         $location = t('Location:');
1644
1645                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1646
1647
1648                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1649
1650                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1651
1652                 $about = ((x($profile,'about') == 1) ?  t('About:') : False);
1653
1654                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1655                         $location = $pdesc = $gender = $marital = $homepage = $about = False;
1656                 }
1657
1658                 $firstname = ((strpos($profile['name'],' '))
1659                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1660                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1661
1662                 $diaspora = array(
1663                         'podloc' => $a->get_baseurl(),
1664                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1665                         'nickname' => $profile['nickname'],
1666                         'fullname' => $profile['name'],
1667                         'firstname' => $firstname,
1668                         'lastname' => $lastname,
1669                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1670                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1671                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1672                 );
1673
1674                 if (!$block){
1675                         $contact_block = contact_block();
1676                 }
1677
1678
1679                 $p = array();
1680                 foreach($profile as $k => $v) {
1681                         $k = str_replace('-','_',$k);
1682                         $p[$k] = $v;
1683                 }
1684
1685                 if($a->theme['template_engine'] === 'internal')
1686                         $location = template_escape($location);
1687
1688
1689                 $tpl = get_markup_template('profile_vcard.tpl');
1690                 $o .= replace_macros($tpl, array(
1691                         '$profile' => $p,
1692                         '$connect'  => $connect,
1693                         '$remoteconnect'  => $remoteconnect,
1694                         '$wallmessage' => $wallmessage,
1695                         '$location' => $location,
1696                         '$gender'   => $gender,
1697                         '$pdesc'        => $pdesc,
1698                         '$marital'  => $marital,
1699                         '$homepage' => $homepage,
1700                         '$about' => $about,
1701                         '$network' =>  t('Network:'),
1702                         '$diaspora' => $diaspora,
1703                         '$contact_block' => $contact_block,
1704                 ));
1705
1706
1707                 $arr = array('profile' => &$profile, 'entry' => &$o);
1708
1709                 call_hooks('profile_sidebar', $arr);
1710
1711                 return $o;
1712         }
1713 }
1714
1715
1716 if(! function_exists('get_birthdays')) {
1717         function get_birthdays() {
1718
1719                 $a = get_app();
1720                 $o = '';
1721
1722                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1723                         return $o;
1724
1725 //              $mobile_detect = new Mobile_Detect();
1726 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1727
1728 //              if($is_mobile)
1729 //                      return $o;
1730
1731                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1732                 $bd_short = t('F d');
1733
1734                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1735                                 INNER JOIN `contact` ON `contact`.`id` = `event`.`cid`
1736                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1737                                 ORDER BY `start` ASC ",
1738                                 intval(local_user()),
1739                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1740                                 dbesc(datetime_convert('UTC','UTC','now'))
1741                 );
1742
1743                 if($r && count($r)) {
1744                         $total = 0;
1745                         $now = strtotime('now');
1746                         $cids = array();
1747
1748                         $istoday = false;
1749                         foreach($r as $rr) {
1750                                 if(strlen($rr['name']))
1751                                         $total ++;
1752                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1753                                         $istoday = true;
1754                         }
1755                         $classtoday = $istoday ? ' birthday-today ' : '';
1756                         if($total) {
1757                                 foreach($r as &$rr) {
1758                                         if(! strlen($rr['name']))
1759                                                 continue;
1760
1761                                         // avoid duplicates
1762
1763                                         if(in_array($rr['cid'],$cids))
1764                                                 continue;
1765                                         $cids[] = $rr['cid'];
1766
1767                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1768                                         $sparkle = '';
1769                                         $url = $rr['url'];
1770                                         if($rr['network'] === NETWORK_DFRN) {
1771                                                 $sparkle = " sparkle";
1772                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1773                                         }
1774
1775                                         $rr['link'] = $url;
1776                                         $rr['title'] = $rr['name'];
1777                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1778                                         $rr['startime'] = Null;
1779                                         $rr['today'] = $today;
1780
1781                                 }
1782                         }
1783                 }
1784                 $tpl = get_markup_template("birthdays_reminder.tpl");
1785                 return replace_macros($tpl, array(
1786                         '$baseurl' => $a->get_baseurl(),
1787                         '$classtoday' => $classtoday,
1788                         '$count' => $total,
1789                         '$event_reminders' => t('Birthday Reminders'),
1790                         '$event_title' => t('Birthdays this week:'),
1791                         '$events' => $r,
1792                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1793                         '$rbr' => '}'
1794
1795                 ));
1796         }
1797 }
1798
1799
1800 if(! function_exists('get_events')) {
1801         function get_events() {
1802
1803                 require_once('include/bbcode.php');
1804
1805                 $a = get_app();
1806
1807                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1808                         return $o;
1809
1810
1811 //              $mobile_detect = new Mobile_Detect();
1812 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1813
1814 //              if($is_mobile)
1815 //                      return $o;
1816
1817                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1818                 $bd_short = t('F d');
1819
1820                 $r = q("SELECT `event`.* FROM `event`
1821                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1822                                 ORDER BY `start` ASC ",
1823                                 intval(local_user()),
1824                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1825                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1826                 );
1827
1828                 if($r && count($r)) {
1829                         $now = strtotime('now');
1830                         $istoday = false;
1831                         foreach($r as $rr) {
1832                                 if(strlen($rr['name']))
1833                                         $total ++;
1834
1835                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1836                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1837                                         $istoday = true;
1838                         }
1839                         $classtoday = (($istoday) ? 'event-today' : '');
1840
1841
1842                         foreach($r as &$rr) {
1843                                 if($rr['adjust'])
1844                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1845                                 else
1846                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1847                                 $md .= "/#link-".$rr['id'];
1848
1849                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1850                                 if(! $title)
1851                                         $title = t('[No description]');
1852
1853                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1854                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1855
1856                                 $rr['link'] = $md;
1857                                 $rr['title'] = $title;
1858                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1859                                 $rr['startime'] = $strt;
1860                                 $rr['today'] = $today;
1861                         }
1862                 }
1863
1864                 $tpl = get_markup_template("events_reminder.tpl");
1865                 return replace_macros($tpl, array(
1866                         '$baseurl' => $a->get_baseurl(),
1867                         '$classtoday' => $classtoday,
1868                         '$count' => count($r),
1869                         '$event_reminders' => t('Event Reminders'),
1870                         '$event_title' => t('Events this week:'),
1871                         '$events' => $r,
1872                 ));
1873         }
1874 }
1875
1876
1877 /**
1878  *
1879  * Wrap calls to proc_close(proc_open()) and call hook
1880  * so plugins can take part in process :)
1881  *
1882  * args:
1883  * $cmd program to run
1884  *  next args are passed as $cmd command line
1885  *
1886  * e.g.: proc_run("ls","-la","/tmp");
1887  *
1888  * $cmd and string args are surrounded with ""
1889  */
1890
1891 if(! function_exists('proc_run')) {
1892         function proc_run($cmd){
1893
1894                 $a = get_app();
1895
1896                 $args = func_get_args();
1897
1898                 $newargs = array();
1899                 if(! count($args))
1900                         return;
1901
1902                 // expand any arrays
1903
1904                 foreach($args as $arg) {
1905                         if(is_array($arg)) {
1906                                 foreach($arg as $n) {
1907                                         $newargs[] = $n;
1908                                 }
1909                         }
1910                         else
1911                                 $newargs[] = $arg;
1912                 }
1913
1914                 $args = $newargs;
1915
1916                 $arr = array('args' => $args, 'run_cmd' => true);
1917
1918                 call_hooks("proc_run", $arr);
1919                 if(! $arr['run_cmd'])
1920                         return;
1921
1922                 if(count($args) && $args[0] === 'php')
1923                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1924
1925         // add baseurl to args. cli scripts can't construct it
1926         $args[] = $a->get_baseurl();
1927
1928         for($x = 0; $x < count($args); $x ++)
1929                         $args[$x] = escapeshellarg($args[$x]);
1930
1931
1932
1933                 $cmdline = implode($args," ");
1934                 if(get_config('system','proc_windows'))
1935                         proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo,dirname(__FILE__)));
1936                 else
1937                         proc_close(proc_open($cmdline." &",array(),$foo,dirname(__FILE__)));
1938         }
1939 }
1940
1941 if(! function_exists('current_theme')) {
1942         function current_theme(){
1943                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1944
1945                 $a = get_app();
1946
1947 //              $mobile_detect = new Mobile_Detect();
1948 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1949                 $is_mobile = $a->is_mobile || $a->is_tablet;
1950
1951                 if($is_mobile) {
1952                         if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
1953                                 $system_theme = '';
1954                                 $theme_name = '';
1955                         }
1956                         else {
1957                                 $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1958                                 $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1959
1960                                 if($theme_name === '---') {
1961                                         // user has selected to have the mobile theme be the same as the normal one
1962                                         $system_theme = '';
1963                                         $theme_name = '';
1964                                 }
1965                         }
1966                 }
1967                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1968                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1969                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1970                 }
1971
1972                 if($theme_name &&
1973                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1974                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1975                         return($theme_name);
1976
1977                 foreach($app_base_themes as $t) {
1978                         if(file_exists('view/theme/' . $t . '/style.css')||
1979                                         file_exists('view/theme/' . $t . '/style.php'))
1980                                 return($t);
1981                 }
1982
1983                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1984                 if(count($fallback))
1985                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1986
1987         }
1988 }
1989
1990 /*
1991  * Return full URL to theme which is currently in effect.
1992 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1993 */
1994 if(! function_exists('current_theme_url')) {
1995         function current_theme_url() {
1996                 global $a;
1997                 $t = current_theme();
1998                 if (file_exists('view/theme/' . $t . '/style.php'))
1999                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
2000                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
2001         }
2002 }
2003
2004 if(! function_exists('feed_birthday')) {
2005         function feed_birthday($uid,$tz) {
2006
2007                 /**
2008                  *
2009                  * Determine the next birthday, but only if the birthday is published
2010                  * in the default profile. We _could_ also look for a private profile that the
2011                  * recipient can see, but somebody could get mad at us if they start getting
2012                  * public birthday greetings when they haven't made this info public.
2013                  *
2014                  * Assuming we are able to publish this info, we are then going to convert
2015                  * the start time from the owner's timezone to UTC.
2016                  *
2017                  * This will potentially solve the problem found with some social networks
2018                  * where birthdays are converted to the viewer's timezone and salutations from
2019                  * elsewhere in the world show up on the wrong day. We will convert it to the
2020                  * viewer's timezone also, but first we are going to convert it from the birthday
2021                  * person's timezone to GMT - so the viewer may find the birthday starting at
2022                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
2023                  *
2024                  */
2025
2026
2027                 $birthday = '';
2028
2029                 if(! strlen($tz))
2030                         $tz = 'UTC';
2031
2032                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
2033                                 intval($uid)
2034                 );
2035
2036                 if($p && count($p)) {
2037                         $tmp_dob = substr($p[0]['dob'],5);
2038                         if(intval($tmp_dob)) {
2039                                 $y = datetime_convert($tz,$tz,'now','Y');
2040                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
2041                                 $t_dob = strtotime($bd);
2042                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
2043                                 if($t_dob < $now)
2044                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
2045                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
2046                         }
2047                 }
2048
2049                 return $birthday;
2050         }
2051 }
2052
2053 if(! function_exists('is_site_admin')) {
2054         function is_site_admin() {
2055                 $a = get_app();
2056
2057                 $adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
2058
2059                 //if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
2060                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && in_array($a->user['email'], $adminlist))
2061                         return true;
2062                 return false;
2063         }
2064 }
2065
2066
2067 if(! function_exists('load_contact_links')) {
2068         function load_contact_links($uid) {
2069
2070                 $a = get_app();
2071
2072                 $ret = array();
2073
2074                 if(! $uid || x($a->contacts,'empty'))
2075                         return;
2076
2077                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 AND `thumb` != ''",
2078                                 intval($uid)
2079                 );
2080                 if(count($r)) {
2081                         foreach($r as $rr){
2082                                 $url = normalise_link($rr['url']);
2083                                 $ret[$url] = $rr;
2084                         }
2085                 }
2086                 else
2087                         $ret['empty'] = true;
2088                 $a->contacts = $ret;
2089                 return;
2090         }
2091 }
2092
2093 if(! function_exists('profile_tabs')){
2094         function profile_tabs($a, $is_owner=False, $nickname=Null){
2095                 //echo "<pre>"; var_dump($a->user); killme();
2096
2097                 if (is_null($nickname))
2098                         $nickname  = $a->user['nickname'];
2099
2100                 if(x($_GET,'tab'))
2101                         $tab = notags(trim($_GET['tab']));
2102
2103                 $url = $a->get_baseurl() . '/profile/' . $nickname;
2104
2105                 $tabs = array(
2106                         array(
2107                                 'label'=>t('Status'),
2108                                 'url' => $url,
2109                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
2110                                 'title' => t('Status Messages and Posts'),
2111                                 'id' => 'status-tab',
2112                         ),
2113                         array(
2114                                 'label' => t('Profile'),
2115                                 'url'   => $url.'/?tab=profile',
2116                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
2117                                 'title' => t('Profile Details'),
2118                                 'id' => 'profile-tab',
2119                         ),
2120                         array(
2121                                 'label' => t('Photos'),
2122                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
2123                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
2124                                 'title' => t('Photo Albums'),
2125                                 'id' => 'photo-tab',
2126                         ),
2127                         array(
2128                                 'label' => t('Videos'),
2129                                 'url'   => $a->get_baseurl() . '/videos/' . $nickname,
2130                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='videos')?'active':''),
2131                                 'title' => t('Videos'),
2132                                 'id' => 'video-tab',
2133                         ),
2134                 );
2135
2136                 if ($is_owner){
2137                         $tabs[] = array(
2138                                 'label' => t('Events'),
2139                                 'url'   => $a->get_baseurl() . '/events',
2140                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
2141                                 'title' => t('Events and Calendar'),
2142                                 'id' => 'events-tab',
2143                         );
2144                         $tabs[] = array(
2145                                 'label' => t('Personal Notes'),
2146                                 'url'   => $a->get_baseurl() . '/notes',
2147                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
2148                                 'title' => t('Only You Can See This'),
2149                                 'id' => 'notes-tab',
2150                         );
2151                 }
2152
2153
2154                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
2155                 call_hooks('profile_tabs', $arr);
2156
2157                 $tpl = get_markup_template('common_tabs.tpl');
2158
2159                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
2160         }
2161 }
2162
2163 function get_my_url() {
2164         if(x($_SESSION,'my_url'))
2165                 return $_SESSION['my_url'];
2166         return false;
2167 }
2168
2169 function zrl_init(&$a) {
2170         $tmp_str = get_my_url();
2171         if(validate_url($tmp_str)) {
2172                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
2173                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
2174                 call_hooks('zrl_init',$arr);
2175         }
2176 }
2177
2178 function zrl($s,$force = false) {
2179         if(! strlen($s))
2180                 return $s;
2181         if((! strpos($s,'/profile/')) && (! $force))
2182                 return $s;
2183         if($force && substr($s,-1,1) !== '/')
2184                 $s = $s . '/';
2185         $achar = strpos($s,'?') ? '&' : '?';
2186         $mine = get_my_url();
2187         if($mine and ! link_compare($mine,$s))
2188                 return $s . $achar . 'zrl=' . urlencode($mine);
2189         return $s;
2190 }
2191
2192 /**
2193 * returns querystring as string from a mapped array
2194 *
2195 * @param params Array
2196 * @return string
2197 */
2198 function build_querystring($params, $name=null) {
2199     $ret = "";
2200     foreach($params as $key=>$val) {
2201         if(is_array($val)) {
2202             if($name==null) {
2203                 $ret .= build_querystring($val, $key);
2204             } else {
2205                 $ret .= build_querystring($val, $name."[$key]");
2206             }
2207         } else {
2208             $val = urlencode($val);
2209             if($name!=null) {
2210                 $ret.=$name."[$key]"."=$val&";
2211             } else {
2212                 $ret.= "$key=$val&";
2213             }
2214         }
2215     }
2216     return $ret;
2217 }
2218
2219 function explode_querystring($query) {
2220         $arg_st = strpos($query, '?');
2221         if($arg_st !== false) {
2222                 $base = substr($query, 0, $arg_st);
2223                 $arg_st += 1;
2224         }
2225         else {
2226                 $base = '';
2227                 $arg_st = 0;
2228         }
2229
2230         $args = explode('&', substr($query, $arg_st));
2231         foreach($args as $k=>$arg) {
2232                 if($arg === '')
2233                         unset($args[$k]);
2234         }
2235         $args = array_values($args);
2236
2237         if(!$base) {
2238                 $base = $args[0];
2239                 unset($args[0]);
2240                 $args = array_values($args);
2241         }
2242
2243         return array(
2244                 'base' => $base,
2245                 'args' => $args,
2246         );
2247 }
2248
2249 /**
2250 * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
2251 *
2252 * Taken from http://webcheatsheet.com/php/get_current_page_url.php
2253 */
2254 function curPageURL() {
2255         $pageURL = 'http';
2256         if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
2257         $pageURL .= "://";
2258         if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
2259                 $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
2260         } else {
2261                 $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
2262         }
2263         return $pageURL;
2264 }
2265
2266 function random_digits($digits) {
2267         $rn = '';
2268         for($i = 0; $i < $digits; $i++) {
2269                 $rn .= rand(0,9);
2270         }
2271         return $rn;
2272 }
2273
2274 function get_cachefile($file, $writemode = true) {
2275         $cache = get_itemcachepath();
2276
2277         if ((! $cache) || (! is_dir($cache)))
2278                 return("");
2279
2280         $subfolder = $cache."/".substr($file, 0, 2);
2281
2282         $cachepath = $subfolder."/".$file;
2283
2284         if ($writemode) {
2285                 if (!is_dir($subfolder)) {
2286                         mkdir($subfolder);
2287                         chmod($subfolder, 0777);
2288                 }
2289         }
2290
2291         return($cachepath);
2292 }
2293
2294 function clear_cache($basepath = "", $path = "") {
2295         if ($path == "") {
2296                 $basepath = get_itemcachepath();
2297                 $path = $basepath;
2298         }
2299
2300         if (($path == "") OR (!is_dir($path)))
2301                 return;
2302
2303         if (substr(realpath($path), 0, strlen($basepath)) != $basepath)
2304                 return;
2305
2306         $cachetime = (int)get_config('system','itemcache_duration');
2307         if ($cachetime == 0)
2308                 $cachetime = 86400;
2309
2310         if (is_writable($path)){
2311         if ($dh = opendir($path)) {
2312                 while (($file = readdir($dh)) !== false) {
2313                         $fullpath = $path."/".$file;
2314                         if ((filetype($fullpath) == "dir") and ($file != ".") and ($file != ".."))
2315                                 clear_cache($basepath, $fullpath);
2316                         if ((filetype($fullpath) == "file") and (filectime($fullpath) < (time() - $cachetime)))
2317                                 unlink($fullpath);
2318                 }
2319                 closedir($dh);
2320         }
2321         }
2322 }
2323
2324 function get_itemcachepath() {
2325         // Checking, if the cache is deactivated
2326         $cachetime = (int)get_config('system','itemcache_duration');
2327         if ($cachetime < 0)
2328                 return "";
2329
2330         $itemcache = get_config('system','itemcache');
2331         if (($itemcache != "") AND is_dir($itemcache) AND is_writable($itemcache))
2332                 return($itemcache);
2333
2334         $temppath = get_temppath();
2335
2336         if ($temppath != "") {
2337                 $itemcache = $temppath."/itemcache";
2338                 mkdir($itemcache);
2339
2340                 if (is_dir($itemcache) AND is_writable($itemcache)) {
2341                         set_config("system", "itemcache", $itemcache);
2342                         return($itemcache);
2343                 }
2344         }
2345         return "";
2346 }
2347
2348 function get_lockpath() {
2349         $lockpath = get_config('system','lockpath');
2350         if (($lockpath != "") AND is_dir($lockpath) AND is_writable($lockpath))
2351                 return($lockpath);
2352
2353         $temppath = get_temppath();
2354
2355         if ($temppath != "") {
2356                 $lockpath = $temppath."/lock";
2357                 mkdir($lockpath);
2358
2359                 if (is_dir($lockpath) AND is_writable($lockpath)) {
2360                         set_config("system", "lockpath", $lockpath);
2361                         return($lockpath);
2362                 }
2363         }
2364         return "";
2365 }
2366
2367 function get_temppath() {
2368         $temppath = get_config("system","temppath");
2369         if (($temppath != "") AND is_dir($temppath) AND is_writable($temppath))
2370                 return($temppath);
2371
2372         $temppath = sys_get_temp_dir();
2373         if (($temppath != "") AND is_dir($temppath) AND is_writable($temppath)) {
2374                 set_config("system", "temppath", $temppath);
2375                 return($temppath);
2376         }
2377
2378         return("");
2379 }
2380
2381 function set_template_engine(&$a, $engine = 'internal') {
2382 // This function is no longer necessary, but keep it as a wrapper to the class method
2383 // to avoid breaking themes again unnecessarily
2384
2385         $a->set_template_engine($engine);
2386 }
2387
2388 if(!function_exists('exif_imagetype')) {
2389         function exif_imagetype($file) {
2390                 $size = getimagesize($file);
2391                 return($size[2]);
2392         }
2393 }