boot.php

   1 <?php
   2
   3 require_once('include/config.php');
   4 require_once('include/network.php');
   5 require_once('include/plugin.php');
   6 require_once('include/text.php');
   7 require_once('include/datetime.php');
   8 require_once('include/pgettext.php');
   9 require_once('include/nav.php');
  10 require_once('include/cache.php');
  11 require_once('library/Mobile_Detect/Mobile_Detect.php');
  12
  13 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  14 define ( 'FRIENDICA_VERSION',      '3.0.1458' );
  15 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  16 define ( 'DB_UPDATE_VERSION',      1154      );
  17
  18 define ( 'EOL',                    "<br />\r\n"     );
  19 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  20
  21
  22 /**
  23  *
  24  * Image storage quality. Lower numbers save space at cost of image detail.
  25  * For ease of upgrade, please do not change here. Change jpeg quality with
  26  * $a->config['system']['jpeg_quality'] = n;
  27  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  28  * below about 50
  29  *
  30  */
  31
  32 define ( 'JPEG_QUALITY',            100  );
  33 /**
  34  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  35  */
  36 define ( 'PNG_QUALITY',             8  );
  37
  38 /**
  39  *
  40  * An alternate way of limiting picture upload sizes. Specify the maximum pixel
  41  * length that pictures are allowed to be (for non-square pictures, it will apply
  42  * to the longest side). Pictures longer than this length will be resized to be
  43  * this length (on the longest side, the other side will be scaled appropriately).
  44  * Modify this value using
  45  *
  46  *    $a->config['system']['max_image_length'] = n;
  47  *
  48  * in .htconfig.php
  49  *
  50  * If you don't want to set a maximum length, set to -1. The default value is
  51  * defined by 'MAX_IMAGE_LENGTH' below.
  52  *
  53  */
  54 define ( 'MAX_IMAGE_LENGTH',        -1  );
  55
  56
  57 /**
  58  * Not yet used
  59  */
  60
  61 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  62
  63 /**
  64  * SSL redirection policies
  65  */
  66
  67 define ( 'SSL_POLICY_NONE',         0 );
  68 define ( 'SSL_POLICY_FULL',         1 );
  69 define ( 'SSL_POLICY_SELFSIGN',     2 );
  70
  71
  72 /**
  73  * log levels
  74  */
  75
  76 define ( 'LOGGER_NORMAL',          0 );
  77 define ( 'LOGGER_TRACE',           1 );
  78 define ( 'LOGGER_DEBUG',           2 );
  79 define ( 'LOGGER_DATA',            3 );
  80 define ( 'LOGGER_ALL',             4 );
  81
  82 /**
  83  * registration policies
  84  */
  85
  86 define ( 'REGISTER_CLOSED',        0 );
  87 define ( 'REGISTER_APPROVE',       1 );
  88 define ( 'REGISTER_OPEN',          2 );
  89
  90 /**
  91  * relationship types
  92  */
  93
  94 define ( 'CONTACT_IS_FOLLOWER', 1);
  95 define ( 'CONTACT_IS_SHARING',  2);
  96 define ( 'CONTACT_IS_FRIEND',   3);
  97
  98
  99 /**
 100  * DB update return values
 101  */
 102
 103 define ( 'UPDATE_SUCCESS', 0);
 104 define ( 'UPDATE_FAILED',  1);
 105
 106
 107 /**
 108  *
 109  * page/profile types
 110  *
 111  * PAGE_NORMAL is a typical personal profile account
 112  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
 113  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
 114  *      write access to wall and comments (no email and not included in page owner's ACL lists)
 115  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
 116  *
 117  */
 118
 119 define ( 'PAGE_NORMAL',            0 );
 120 define ( 'PAGE_SOAPBOX',           1 );
 121 define ( 'PAGE_COMMUNITY',         2 );
 122 define ( 'PAGE_FREELOVE',          3 );
 123 define ( 'PAGE_BLOG',              4 );
 124 define ( 'PAGE_PRVGROUP',          5 );
 125
 126 /**
 127  * Network and protocol family types
 128  */
 129
 130 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 131 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 132 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 133 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 134 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 135 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 136 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 137 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 138 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 139 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 140 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 141 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 142
 143 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 144
 145 /**
 146  * These numbers are used in stored permissions
 147  * and existing allocations MUST NEVER BE CHANGED
 148  * OR RE-ASSIGNED! You may only add to them.
 149  */
 150
 151 $netgroup_ids = array(
 152         NETWORK_DFRN     => (-1),
 153         NETWORK_ZOT      => (-2),
 154         NETWORK_OSTATUS  => (-3),
 155         NETWORK_FEED     => (-4),
 156         NETWORK_DIASPORA => (-5),
 157         NETWORK_MAIL     => (-6),
 158         NETWORK_MAIL2    => (-7),
 159         NETWORK_FACEBOOK => (-8),
 160         NETWORK_LINKEDIN => (-9),
 161         NETWORK_XMPP     => (-10),
 162         NETWORK_MYSPACE  => (-11),
 163         NETWORK_GPLUS    => (-12),
 164
 165         NETWORK_PHANTOM  => (-127),
 166 );
 167
 168
 169 /**
 170  * Maximum number of "people who like (or don't like) this"  that we will list by name
 171  */
 172
 173 define ( 'MAX_LIKERS',    75);
 174
 175 /**
 176  * Communication timeout
 177  */
 178
 179 define ( 'ZCURL_TIMEOUT' , (-1));
 180
 181
 182 /**
 183  * email notification options
 184  */
 185
 186 define ( 'NOTIFY_INTRO',    0x0001 );
 187 define ( 'NOTIFY_CONFIRM',  0x0002 );
 188 define ( 'NOTIFY_WALL',     0x0004 );
 189 define ( 'NOTIFY_COMMENT',  0x0008 );
 190 define ( 'NOTIFY_MAIL',     0x0010 );
 191 define ( 'NOTIFY_SUGGEST',  0x0020 );
 192 define ( 'NOTIFY_PROFILE',  0x0040 );
 193 define ( 'NOTIFY_TAGSELF',  0x0080 );
 194 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 195 define ( 'NOTIFY_POKE',     0x0200 );
 196
 197 define ( 'NOTIFY_SYSTEM',   0x8000 );
 198
 199
 200 /**
 201  * Tag/term types
 202  */
 203
 204 define ( 'TERM_UNKNOWN',   0 );
 205 define ( 'TERM_HASHTAG',   1 );
 206 define ( 'TERM_MENTION',   2 );
 207 define ( 'TERM_CATEGORY',  3 );
 208 define ( 'TERM_PCATEGORY', 4 );
 209 define ( 'TERM_FILE',      5 );
 210
 211 define ( 'TERM_OBJ_POST',  1 );
 212 define ( 'TERM_OBJ_PHOTO', 2 );
 213
 214
 215
 216 /**
 217  * various namespaces we may need to parse
 218  */
 219
 220 define ( 'NAMESPACE_ZOT',             'http://purl.org/zot' );
 221 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 222 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 223 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 224 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 225 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 226 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 227 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 228 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 229 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 230 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 231 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 232 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 233 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 234 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 235 /**
 236  * activity stream defines
 237  */
 238
 239 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 240 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 241 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 242
 243 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 244 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 245 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 246 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 247 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 248 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 249
 250 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 251 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 252 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 253 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 254
 255 define ( 'ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke' );
 256 define ( 'ACTIVITY_MOOD',        NAMESPACE_ZOT . '/activity/mood' );
 257
 258 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 259 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 260 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 261 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 262 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 263 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 264 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 265 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 266 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 267 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 268
 269 /**
 270  * item weight for query ordering
 271  */
 272
 273 define ( 'GRAVITY_PARENT',       0);
 274 define ( 'GRAVITY_LIKE',         3);
 275 define ( 'GRAVITY_COMMENT',      6);
 276
 277 /**
 278  *
 279  * Reverse the effect of magic_quotes_gpc if it is enabled.
 280  * Please disable magic_quotes_gpc so we don't have to do this.
 281  * See http://php.net/manual/en/security.magicquotes.disabling.php
 282  *
 283  */
 284
 285 function startup() {
 286         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 287         set_time_limit(0);
 288
 289         // This has to be quite large to deal with embedded private photos
 290         ini_set('pcre.backtrack_limit', 500000);
 291
 292
 293         if (get_magic_quotes_gpc()) {
 294                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 295                 while (list($key, $val) = each($process)) {
 296                         foreach ($val as $k => $v) {
 297                                 unset($process[$key][$k]);
 298                                 if (is_array($v)) {
 299                                         $process[$key][stripslashes($k)] = $v;
 300                                         $process[] = &$process[$key][stripslashes($k)];
 301                                 } else {
 302                                         $process[$key][stripslashes($k)] = stripslashes($v);
 303                                 }
 304                         }
 305                 }
 306                 unset($process);
 307         }
 308
 309 }
 310
 311 /**
 312  *
 313  * class: App
 314  *
 315  * Our main application structure for the life of this page
 316  * Primarily deals with the URL that got us here
 317  * and tries to make some sense of it, and
 318  * stores our page contents and config storage
 319  * and anything else that might need to be passed around
 320  * before we spit the page out.
 321  *
 322  */
 323
 324 if(! class_exists('App')) {
 325         class App {
 326
 327                 public  $module_loaded = false;
 328                 public  $query_string;
 329                 public  $config;
 330                 public  $page;
 331                 public  $profile;
 332                 public  $user;
 333                 public  $cid;
 334                 public  $contact;
 335                 public  $contacts;
 336                 public  $page_contact;
 337                 public  $content;
 338                 public  $data = array();
 339                 public  $error = false;
 340                 public  $cmd;
 341                 public  $argv;
 342                 public  $argc;
 343                 public  $module;
 344                 public  $pager;
 345                 public  $strings;
 346                 public  $path;
 347                 public  $hooks;
 348                 public  $timezone;
 349                 public  $interactive = true;
 350                 public  $plugins;
 351                 public  $apps = array();
 352                 public  $identities;
 353
 354                 public $nav_sel;
 355
 356                 public $category;
 357
 358                 // Allow themes to control internal parameters
 359                 // by changing App values in theme.php
 360                 //
 361                 // Possibly should make these part of the plugin
 362                 // system, but it seems like overkill to invoke
 363                 // all the plugin machinery just to change a couple
 364                 // of values
 365                 public  $sourcename = '';
 366                 public  $videowidth = 425;
 367                 public  $videoheight = 350;
 368                 public  $force_max_items = 0;
 369                 public  $theme_thread_allow = true;
 370
 371                 private $scheme;
 372                 private $hostname;
 373                 private $baseurl;
 374                 private $db;
 375
 376                 private $curl_code;
 377                 private $curl_headers;
 378
 379                 private $cached_profile_image;
 380                 private $cached_profile_picdate;
 381
 382                 function __construct() {
 383
 384                         global $default_timezone;
 385
 386                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 387
 388                         date_default_timezone_set($this->timezone);
 389
 390                         $this->config = array();
 391                         $this->page = array();
 392                         $this->pager= array();
 393
 394                         $this->query_string = '';
 395
 396                         startup();
 397
 398                         $this->scheme = 'http';
 399                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 400                                 $this->scheme = 'https';
 401                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 402                         $this->scheme = 'https';
 403
 404
 405                         if(x($_SERVER,'SERVER_NAME')) {
 406                                 $this->hostname = $_SERVER['SERVER_NAME'];
 407
 408                                 // See bug 437 - this didn't work so disabling it
 409                                 //if(stristr($this->hostname,'xn--')) {
 410                                         // PHP or webserver may have converted idn to punycode, so
 411                                         // convert punycode back to utf-8
 412                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
 413                                 //      $x = new idna_convert();
 414                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 415                                 //}
 416
 417                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 418                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 419                                 /**
 420                                  * Figure out if we are running at the top of a domain
 421                                  * or in a sub-directory and adjust accordingly
 422                                  */
 423
 424                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 425                                 if(isset($path) && strlen($path) && ($path != $this->path))
 426                                         $this->path = $path;
 427                         }
 428
 429                         set_include_path(
 430                                         "include/$this->hostname" . PATH_SEPARATOR
 431                                         . 'include' . PATH_SEPARATOR
 432                                         . 'library' . PATH_SEPARATOR
 433                                         . 'library/phpsec' . PATH_SEPARATOR
 434                                         . 'library/langdet' . PATH_SEPARATOR
 435                                         . '.' );
 436
 437                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 438                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 439                                 // removing trailing / - maybe a nginx problem
 440                                 if (substr($this->query_string, 0, 1) == "/")
 441                                         $this->query_string = substr($this->query_string, 1);
 442                         }
 443                         if(x($_GET,'q'))
 444                                 $this->cmd = trim($_GET['q'],'/\\');
 445
 446                         // unix style "homedir"
 447
 448                         if(substr($this->cmd,0,1) === '~')
 449                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 450
 451                         // Diaspora style profile url
 452
 453                         if(substr($this->cmd,0,2) === 'u/')
 454                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 455
 456                         /**
 457                          *
 458                          * Break the URL path into C style argc/argv style arguments for our
 459                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 460                          * will be 3 (integer) and $this->argv will contain:
 461                          *   [0] => 'module'
 462                          *   [1] => 'arg1'
 463                          *   [2] => 'arg2'
 464                          *
 465                          *
 466                          * There will always be one argument. If provided a naked domain
 467                          * URL, $this->argv[0] is set to "home".
 468                          *
 469                          */
 470
 471                         $this->argv = explode('/',$this->cmd);
 472                         $this->argc = count($this->argv);
 473                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 474                                 $this->module = str_replace(".", "_", $this->argv[0]);
 475                                 $this->module = str_replace("-", "_", $this->module);
 476                         }
 477                         else {
 478                                 $this->argc = 1;
 479                                 $this->argv = array('home');
 480                                 $this->module = 'home';
 481                         }
 482
 483                         /**
 484                          * See if there is any page number information, and initialise
 485                          * pagination
 486                          */
 487
 488                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 489                         $this->pager['itemspage'] = 50;
 490                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 491                         if($this->pager['start'] < 0)
 492                                 $this->pager['start'] = 0;
 493                         $this->pager['total'] = 0;
 494                 }
 495
 496                 function get_baseurl($ssl = false) {
 497
 498                         $scheme = $this->scheme;
 499
 500                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 501                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 502                                         $scheme = 'https';
 503
 504                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 505                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 506
 507                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 508                                         if($ssl)
 509                                                 $scheme = 'https';
 510                                         else
 511                                                 $scheme = 'http';
 512                                 }
 513                         }
 514
 515                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 516                         return $this->baseurl;
 517                 }
 518
 519                 function set_baseurl($url) {
 520                         $parsed = @parse_url($url);
 521
 522                         $this->baseurl = $url;
 523
 524                         if($parsed) {
 525                                 $this->scheme = $parsed['scheme'];
 526
 527                                 $this->hostname = $parsed['host'];
 528                                 if(x($parsed,'port'))
 529                                         $this->hostname .= ':' . $parsed['port'];
 530                                 if(x($parsed,'path'))
 531                                         $this->path = trim($parsed['path'],'\\/');
 532                         }
 533
 534                 }
 535
 536                 function get_hostname() {
 537                         return $this->hostname;
 538                 }
 539
 540                 function set_hostname($h) {
 541                         $this->hostname = $h;
 542                 }
 543
 544                 function set_path($p) {
 545                         $this->path = trim(trim($p),'/');
 546                 }
 547
 548                 function get_path() {
 549                         return $this->path;
 550                 }
 551
 552                 function set_pager_total($n) {
 553                         $this->pager['total'] = intval($n);
 554                 }
 555
 556                 function set_pager_itemspage($n) {
 557                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 558                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 559
 560                 }
 561
 562                 function init_pagehead() {
 563                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 564                         if($interval < 10000)
 565                                 $interval = 40000;
 566
 567                         $this->page['title'] = $this->config['sitename'];
 568                         $tpl = get_markup_template('head.tpl');
 569                         $this->page['htmlhead'] = replace_macros($tpl,array(
 570                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 571                                 '$local_user' => local_user(),
 572                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 573                                 '$delitem' => t('Delete this item?'),
 574                                 '$comment' => t('Comment'),
 575                                 '$showmore' => t('show more'),
 576                                 '$showfewer' => t('show fewer'),
 577                                 '$update_interval' => $interval
 578                         ));
 579                 }
 580
 581                 function init_page_end() {
 582                         $tpl = get_markup_template('end.tpl');
 583                         $this->page['end'] = replace_macros($tpl,array(
 584                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
 585                         ));
 586                 }
 587
 588                 function set_curl_code($code) {
 589                         $this->curl_code = $code;
 590                 }
 591
 592                 function get_curl_code() {
 593                         return $this->curl_code;
 594                 }
 595
 596                 function set_curl_headers($headers) {
 597                         $this->curl_headers = $headers;
 598                 }
 599
 600                 function get_curl_headers() {
 601                         return $this->curl_headers;
 602                 }
 603
 604                 function get_cached_avatar_image($avatar_image){
 605                         if($this->cached_profile_image[$avatar_image])
 606                                 return $this->cached_profile_image[$avatar_image];
 607
 608                         $path_parts = explode("/",$avatar_image);
 609                         $common_filename = $path_parts[count($path_parts)-1];
 610
 611                         if($this->cached_profile_picdate[$common_filename]){
 612                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 613                         } else {
 614                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 615                                         $common_filename);
 616                                 if(! count($r)){
 617                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 618                                 } else {
 619                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 620                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 621                                 }
 622                         }
 623                         return $this->cached_profile_image[$avatar_image];
 624                 }
 625
 626
 627         }
 628 }
 629
 630 // retrieve the App structure
 631 // useful in functions which require it but don't get it passed to them
 632
 633 if(! function_exists('get_app')) {
 634         function get_app() {
 635                 global $a;
 636                 return $a;
 637         }
 638 };
 639
 640
 641 // Multi-purpose function to check variable state.
 642 // Usage: x($var) or $x($array,'key')
 643 // returns false if variable/key is not set
 644 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 645 // e.g. x('') or x(0) returns 0;
 646
 647 if(! function_exists('x')) {
 648         function x($s,$k = NULL) {
 649                 if($k != NULL) {
 650                         if((is_array($s)) && (array_key_exists($k,$s))) {
 651                                 if($s[$k])
 652                                         return (int) 1;
 653                                 return (int) 0;
 654                 }
 655                         return false;
 656                 }
 657                 else {
 658                         if(isset($s)) {
 659                                 if($s) {
 660                                         return (int) 1;
 661                                 }
 662                                 return (int) 0;
 663                         }
 664                         return false;
 665                 }
 666         }
 667 }
 668
 669 // called from db initialisation if db is dead.
 670
 671 if(! function_exists('system_unavailable')) {
 672         function system_unavailable() {
 673                 include('system_unavailable.php');
 674                 system_down();
 675                 killme();
 676         }
 677 }
 678
 679
 680
 681 function clean_urls() {
 682         global $a;
 683         //      if($a->config['system']['clean_urls'])
 684         return true;
 685         //      return false;
 686 }
 687
 688 function z_path() {
 689         global $a;
 690         $base = $a->get_baseurl();
 691         if(! clean_urls())
 692                 $base .= '/?q=';
 693         return $base;
 694 }
 695
 696 function z_root() {
 697         global $a;
 698         return $a->get_baseurl();
 699 }
 700
 701 function absurl($path) {
 702         if(strpos($path,'/') === 0)
 703                 return z_path() . $path;
 704         return $path;
 705 }
 706
 707 function is_ajax() {
 708         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 709 }
 710
 711
 712 // Primarily involved with database upgrade, but also sets the
 713 // base url for use in cmdline programs which don't have
 714 // $_SERVER variables, and synchronising the state of installed plugins.
 715
 716
 717 if(! function_exists('check_config')) {
 718         function check_config(&$a) {
 719
 720                 $build = get_config('system','build');
 721                 if(! x($build))
 722                         $build = set_config('system','build',DB_UPDATE_VERSION);
 723
 724                 $url = get_config('system','url');
 725
 726                 // if the url isn't set or the stored url is radically different
 727                 // than the currently visited url, store the current value accordingly.
 728                 // "Radically different" ignores common variations such as http vs https
 729                 // and www.example.com vs example.com.
 730                 // We will only change the url to an ip address if there is no existing setting
 731
 732                 if(! x($url))
 733                         $url = set_config('system','url',$a->get_baseurl());
 734                 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
 735                         $url = set_config('system','url',$a->get_baseurl());
 736
 737
 738                 if($build != DB_UPDATE_VERSION) {
 739                         $stored = intval($build);
 740                         $current = intval(DB_UPDATE_VERSION);
 741                         if(($stored < $current) && file_exists('update.php')) {
 742
 743                                 load_config('database');
 744
 745                                 // We're reporting a different version than what is currently installed.
 746                                 // Run any existing update scripts to bring the database up to current.
 747
 748                                 require_once('update.php');
 749
 750                                 // make sure that boot.php and update.php are the same release, we might be
 751                                 // updating right this very second and the correct version of the update.php
 752                                 // file may not be here yet. This can happen on a very busy site.
 753
 754                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 755
 756                                         for($x = $stored; $x < $current; $x ++) {
 757                                                 if(function_exists('update_' . $x)) {
 758
 759                                                         // There could be a lot of processes running or about to run.
 760                                                         // We want exactly one process to run the update command.
 761                                                         // So store the fact that we're taking responsibility
 762                                                         // after first checking to see if somebody else already has.
 763
 764                                                         // If the update fails or times-out completely you may need to
 765                                                         // delete the config entry to try again.
 766
 767                                                         $t = get_config('database','update_' . $x);
 768                                                         if($t !== false)
 769                                                                 break;
 770                                                         set_config('database','update_' . $x, time());
 771
 772                                                         // call the specific update
 773
 774                                                         $func = 'update_' . $x;
 775                                                         $retval = $func();
 776                                                         if($retval) {
 777                                                                 //send the administrator an e-mail
 778                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 779                                                                 $email_msg = replace_macros($email_tpl, array(
 780                                                                         '$sitename' => $a->config['sitename'],
 781                                                                         '$siteurl' =>  $a->get_baseurl(),
 782                                                                         '$update' => $x,
 783                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 784                                                                 ));
 785                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 786
 787                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 788                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 789                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 790                                                                         . 'Content-transfer-encoding: 8bit' );
 791                                                                 //try the logger
 792                                                                 logger('CRITICAL: Update Failed: '. $x);
 793                                                                 break;
 794                                                         }
 795                                                         else {
 796                                                                 set_config('database','update_' . $x, 'success');
 797                                                                 set_config('system','build', $x + 1);
 798                                                         }
 799                                                 }
 800                                         }
 801                                 }
 802                         }
 803                 }
 804
 805                 /**
 806                  *
 807                  * Synchronise plugins:
 808                  *
 809                  * $a->config['system']['addon'] contains a comma-separated list of names
 810                  * of plugins/addons which are used on this system.
 811                  * Go through the database list of already installed addons, and if we have
 812                  * an entry, but it isn't in the config list, call the uninstall procedure
 813                  * and mark it uninstalled in the database (for now we'll remove it).
 814                  * Then go through the config list and if we have a plugin that isn't installed,
 815                  * call the install procedure and add it to the database.
 816                  *
 817                  */
 818
 819                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 820                 if(count($r))
 821                         $installed = $r;
 822                 else
 823                         $installed = array();
 824
 825                 $plugins = get_config('system','addon');
 826                 $plugins_arr = array();
 827
 828                 if($plugins)
 829                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 830
 831                 $a->plugins = $plugins_arr;
 832
 833                 $installed_arr = array();
 834
 835                 if(count($installed)) {
 836                         foreach($installed as $i) {
 837                                 if(! in_array($i['name'],$plugins_arr)) {
 838                                         uninstall_plugin($i['name']);
 839                                 }
 840                                 else {
 841                                         $installed_arr[] = $i['name'];
 842                                 }
 843                         }
 844                 }
 845
 846                 if(count($plugins_arr)) {
 847                         foreach($plugins_arr as $p) {
 848                                 if(! in_array($p,$installed_arr)) {
 849                                         install_plugin($p);
 850                                 }
 851                         }
 852                 }
 853
 854
 855                 load_hooks();
 856
 857                 return;
 858         }
 859 }
 860
 861
 862 function get_guid($size=16) {
 863         $exists = true; // assume by default that we don't have a unique guid
 864         do {
 865                 $s = random_string($size);
 866                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 867                 if(! count($r))
 868                         $exists = false;
 869         } while($exists);
 870         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 871         return $s;
 872 }
 873
 874
 875 // wrapper for adding a login box. If $register == true provide a registration
 876 // link. This will most always depend on the value of $a->config['register_policy'].
 877 // returns the complete html for inserting into the page
 878
 879 if(! function_exists('login')) {
 880         function login($register = false, $hiddens=false) {
 881                 $a = get_app();
 882                 $o = "";
 883                 $reg = false;
 884                 if ($register) {
 885                         $reg = array(
 886                                 'title' => t('Create a New Account'),
 887                                 'desc' => t('Register')
 888                         );
 889                 }
 890
 891                 $noid = get_config('system','no_openid');
 892
 893                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 894
 895                 if(local_user()) {
 896                         $tpl = get_markup_template("logout.tpl");
 897                 }
 898                 else {
 899                         $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
 900                                 '$baseurl'              => $a->get_baseurl(true)
 901                         ));
 902
 903                         $tpl = get_markup_template("login.tpl");
 904                         $_SESSION['return_url'] = $a->query_string;
 905                 }
 906
 907
 908                 $o .= replace_macros($tpl,array(
 909
 910                         '$dest_url'     => $dest_url,
 911                         '$logout'       => t('Logout'),
 912                         '$login'        => t('Login'),
 913
 914                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 915                         '$lpassword'    => array('password', t('Password: '), '', ''),
 916
 917                         '$openid'               => !$noid,
 918                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 919
 920                         '$hiddens'      => $hiddens,
 921
 922                         '$register'     => $reg,
 923
 924                         '$lostpass'     => t('Forgot your password?'),
 925                         '$lostlink'     => t('Password Reset'),
 926                 ));
 927
 928                 call_hooks('login_hook',$o);
 929
 930                 return $o;
 931         }
 932 }
 933
 934 // Used to end the current process, after saving session state.
 935
 936 if(! function_exists('killme')) {
 937         function killme() {
 938                 session_write_close();
 939                 exit;
 940         }
 941 }
 942
 943 // redirect to another URL and terminate this process.
 944
 945 if(! function_exists('goaway')) {
 946         function goaway($s) {
 947                 header("Location: $s");
 948                 killme();
 949         }
 950 }
 951
 952
 953 // Returns the uid of locally logged in user or false.
 954
 955 if(! function_exists('local_user')) {
 956         function local_user() {
 957                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 958                         return intval($_SESSION['uid']);
 959                 return false;
 960         }
 961 }
 962
 963 // Returns contact id of authenticated site visitor or false
 964
 965 if(! function_exists('remote_user')) {
 966         function remote_user() {
 967                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 968                         return intval($_SESSION['visitor_id']);
 969                 return false;
 970         }
 971 }
 972
 973 // contents of $s are displayed prominently on the page the next time
 974 // a page is loaded. Usually used for errors or alerts.
 975
 976 if(! function_exists('notice')) {
 977         function notice($s) {
 978                 $a = get_app();
 979                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 980                 if($a->interactive)
 981                         $_SESSION['sysmsg'][] = $s;
 982         }
 983 }
 984 if(! function_exists('info')) {
 985         function info($s) {
 986                 $a = get_app();
 987                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 988                 if($a->interactive)
 989                         $_SESSION['sysmsg_info'][] = $s;
 990         }
 991 }
 992
 993
 994 // wrapper around config to limit the text length of an incoming message
 995
 996 if(! function_exists('get_max_import_size')) {
 997         function get_max_import_size() {
 998                 global $a;
 999                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1000         }
1001 }
1002
1003
1004
1005 /**
1006  *
1007  * Function : profile_load
1008  * @parameter App    $a
1009  * @parameter string $nickname
1010  * @parameter int    $profile
1011  *
1012  * Summary: Loads a profile into the page sidebar.
1013  * The function requires a writeable copy of the main App structure, and the nickname
1014  * of a registered local account.
1015  *
1016  * If the viewer is an authenticated remote viewer, the profile displayed is the
1017  * one that has been configured for his/her viewing in the Contact manager.
1018  * Passing a non-zero profile ID can also allow a preview of a selected profile
1019  * by the owner.
1020  *
1021  * Profile information is placed in the App structure for later retrieval.
1022  * Honours the owner's chosen theme for display.
1023  *
1024  */
1025
1026 if(! function_exists('profile_load')) {
1027         function profile_load(&$a, $nickname, $profile = 0) {
1028
1029                 $user = q("select uid from user where nickname = '%s' limit 1",
1030                         dbesc($nickname)
1031                 );
1032
1033                 if(! ($user && count($user))) {
1034                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1035                         notice( t('Requested account is not available.') . EOL );
1036                         $a->error = 404;
1037                         return;
1038                 }
1039
1040                 if(remote_user() && count($_SESSION['remote'])) {
1041                         foreach($_SESSION['remote'] as $visitor) {
1042                                 if($visitor['uid'] == $user[0]['uid']) {
1043                                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1044                                                 intval($visitor['cid'])
1045                                         );
1046                                         if(count($r))
1047                                                 $profile = $r[0]['profile-id'];
1048                                         break;
1049                                 }
1050                         }
1051                 }
1052
1053                 $r = null;
1054
1055                 if($profile) {
1056                         $profile_int = intval($profile);
1057                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1058                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1059                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1060                                         dbesc($nickname),
1061                                         intval($profile_int)
1062                         );
1063                 }
1064                 if((! $r) && (!  count($r))) {
1065                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1066                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1067                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1068                                         dbesc($nickname)
1069                         );
1070                 }
1071
1072                 if(($r === false) || (! count($r))) {
1073                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1074                         notice( t('Requested profile is not available.') . EOL );
1075                         $a->error = 404;
1076                         return;
1077                 }
1078
1079                 // fetch user tags if this isn't the default profile
1080
1081                 if(! $r[0]['is-default']) {
1082                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1083                                         intval($profile_uid)
1084                         );
1085                         if($x && count($x))
1086                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1087                 }
1088
1089                 $a->profile = $r[0];
1090
1091                 $a->profile['mobile-theme'] = get_pconfig($profile_uid, 'system', 'mobile_theme');
1092
1093
1094                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1095                 $_SESSION['theme'] = $a->profile['theme'];
1096                 $_SESSION['mobile-theme'] = $a->profile['mobile-theme'];
1097
1098                 /**
1099                  * load/reload current theme info
1100                  */
1101
1102                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1103                 if (file_exists($theme_info_file)){
1104                         require_once($theme_info_file);
1105                 }
1106
1107                 if(! (x($a->page,'aside')))
1108                         $a->page['aside'] = '';
1109
1110                 if(local_user() && local_user() == $a->profile['uid']) {
1111                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1112                                 '$editprofile' => t('Edit profile'),
1113                                 '$profid' => $a->profile['id']
1114                         ));
1115                 }
1116
1117                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1118
1119                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1120
1121                 /*if(! $block)
1122                  $a->page['aside'] .= contact_block();*/
1123
1124                 return;
1125         }
1126 }
1127
1128
1129 /**
1130  *
1131  * Function: profile_sidebar
1132  *
1133  * Formats a profile for display in the sidebar.
1134  * It is very difficult to templatise the HTML completely
1135  * because of all the conditional logic.
1136  *
1137  * @parameter: array $profile
1138  *
1139  * Returns HTML string stuitable for sidebar inclusion
1140  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1141  *
1142  */
1143
1144
1145 if(! function_exists('profile_sidebar')) {
1146         function profile_sidebar($profile, $block = 0) {
1147
1148                 $a = get_app();
1149
1150                 $o = '';
1151                 $location = false;
1152                 $address = false;
1153                 $pdesc = true;
1154
1155                 if((! is_array($profile)) && (! count($profile)))
1156                         return $o;
1157
1158                 $profile['picdate'] = urlencode($profile['picdate']);
1159
1160                 call_hooks('profile_sidebar_enter', $profile);
1161
1162
1163                 // don't show connect link to yourself
1164                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1165
1166                 // don't show connect link to authenticated visitors either
1167
1168                 if(remote_user() && count($_SESSION['remote'])) {
1169                         foreach($_SESSION['remote'] as $visitor) {
1170                                 if($visitor['uid'] == $profile['uid']) {
1171                                         $connect = false;
1172                                         break;
1173                                 }
1174                         }
1175                 }
1176
1177                 if(get_my_url() && $profile['unkmail'])
1178                         $wallmessage = t('Message');
1179                 else
1180                         $wallmessage = false;
1181
1182
1183
1184                 // show edit profile to yourself
1185                 if ($profile['uid'] == local_user()) {
1186                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1187
1188                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1189                                         local_user());
1190
1191                         $profile['menu'] = array(
1192                                 'chg_photo' => t('Change profile photo'),
1193                                 'cr_new' => t('Create New Profile'),
1194                                 'entries' => array(),
1195                         );
1196
1197                         if(count($r)) {
1198
1199                                 foreach($r as $rr) {
1200                                         $profile['menu']['entries'][] = array(
1201                                                 'photo' => $rr['thumb'],
1202                                                 'id' => $rr['id'],
1203                                                 'alt' => t('Profile Image'),
1204                                                 'profile_name' => $rr['profile-name'],
1205                                                 'isdefault' => $rr['is-default'],
1206                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1207                                                 'edit_visibility' => t('Edit visibility'),
1208
1209                                         );
1210                                 }
1211
1212
1213                         }
1214
1215
1216                 }
1217
1218
1219
1220
1221                 if((x($profile,'address') == 1)
1222                                 || (x($profile,'locality') == 1)
1223                                 || (x($profile,'region') == 1)
1224                                 || (x($profile,'postal-code') == 1)
1225                                 || (x($profile,'country-name') == 1))
1226                         $location = t('Location:');
1227
1228                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1229
1230
1231                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1232
1233                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1234
1235                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1236                         $location = $pdesc = $gender = $marital = $homepage = False;
1237                 }
1238
1239                 $firstname = ((strpos($profile['name'],' '))
1240                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1241                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1242
1243                 $diaspora = array(
1244                         'podloc' => $a->get_baseurl(),
1245                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1246                         'nickname' => $profile['nickname'],
1247                         'fullname' => $profile['name'],
1248                         'firstname' => $firstname,
1249                         'lastname' => $lastname,
1250                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1251                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1252                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1253                 );
1254
1255                 if (!$block){
1256                         $contact_block = contact_block();
1257                 }
1258
1259
1260                 $tpl = get_markup_template('profile_vcard.tpl');
1261
1262                 $o .= replace_macros($tpl, array(
1263                         '$profile' => $profile,
1264                         '$connect'  => $connect,
1265                         '$wallmessage' => $wallmessage,
1266                         '$location' => template_escape($location),
1267                         '$gender'   => $gender,
1268                         '$pdesc'        => $pdesc,
1269                         '$marital'  => $marital,
1270                         '$homepage' => $homepage,
1271                         '$diaspora' => $diaspora,
1272                         '$contact_block' => $contact_block,
1273                 ));
1274
1275
1276                 $arr = array('profile' => &$profile, 'entry' => &$o);
1277
1278                 call_hooks('profile_sidebar', $arr);
1279
1280                 return $o;
1281         }
1282 }
1283
1284
1285 if(! function_exists('get_birthdays')) {
1286         function get_birthdays() {
1287
1288                 $a = get_app();
1289                 $o = '';
1290
1291                 if(! local_user())
1292                         return $o;
1293
1294                 $mobile_detect = new Mobile_Detect();
1295                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1296
1297                 if($is_mobile)
1298                         return $o;
1299
1300                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1301                 $bd_short = t('F d');
1302
1303                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1304                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1305                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1306                                 ORDER BY `start` ASC ",
1307                                 intval(local_user()),
1308                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1309                                 dbesc(datetime_convert('UTC','UTC','now'))
1310                 );
1311
1312                 if($r && count($r)) {
1313                         $total = 0;
1314                         $now = strtotime('now');
1315                         $cids = array();
1316
1317                         $istoday = false;
1318                         foreach($r as $rr) {
1319                                 if(strlen($rr['name']))
1320                                         $total ++;
1321                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1322                                         $istoday = true;
1323                         }
1324                         $classtoday = $istoday ? ' birthday-today ' : '';
1325                         if($total) {
1326                                 foreach($r as &$rr) {
1327                                         if(! strlen($rr['name']))
1328                                                 continue;
1329
1330                                         // avoid duplicates
1331
1332                                         if(in_array($rr['cid'],$cids))
1333                                                 continue;
1334                                         $cids[] = $rr['cid'];
1335
1336                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1337                                         $sparkle = '';
1338                                         $url = $rr['url'];
1339                                         if($rr['network'] === NETWORK_DFRN) {
1340                                                 $sparkle = " sparkle";
1341                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1342                                         }
1343
1344                                         $rr['link'] = $url;
1345                                         $rr['title'] = $rr['name'];
1346                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1347                                         $rr['startime'] = Null;
1348                                         $rr['today'] = $today;
1349
1350                                 }
1351                         }
1352                 }
1353                 $tpl = get_markup_template("birthdays_reminder.tpl");
1354                 return replace_macros($tpl, array(
1355                         '$baseurl' => $a->get_baseurl(),
1356                         '$classtoday' => $classtoday,
1357                         '$count' => $total,
1358                         '$event_reminders' => t('Birthday Reminders'),
1359                         '$event_title' => t('Birthdays this week:'),
1360                         '$events' => $r,
1361                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1362                         '$rbr' => '}'
1363
1364                 ));
1365         }
1366 }
1367
1368
1369 if(! function_exists('get_events')) {
1370         function get_events() {
1371
1372                 require_once('include/bbcode.php');
1373
1374                 $a = get_app();
1375
1376                 if(! local_user())
1377                         return $o;
1378
1379
1380                 $mobile_detect = new Mobile_Detect();
1381                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1382
1383                 if($is_mobile)
1384                         return $o;
1385
1386                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1387                 $bd_short = t('F d');
1388
1389                 $r = q("SELECT `event`.* FROM `event`
1390                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1391                                 ORDER BY `start` ASC ",
1392                                 intval(local_user()),
1393                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1394                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1395                 );
1396
1397                 if($r && count($r)) {
1398                         $now = strtotime('now');
1399                         $istoday = false;
1400                         foreach($r as $rr) {
1401                                 if(strlen($rr['name']))
1402                                         $total ++;
1403
1404                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1405                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1406                                         $istoday = true;
1407                         }
1408                         $classtoday = (($istoday) ? 'event-today' : '');
1409
1410
1411                         foreach($r as &$rr) {
1412                                 if($rr['adjust'])
1413                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1414                                 else
1415                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1416                                 $md .= "/#link-".$rr['id'];
1417
1418                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1419                                 if(! $title)
1420                                         $title = t('[No description]');
1421
1422                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1423                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1424
1425                                 $rr['link'] = $md;
1426                                 $rr['title'] = $title;
1427                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1428                                 $rr['startime'] = $strt;
1429                                 $rr['today'] = $today;
1430                         }
1431                 }
1432
1433                 $tpl = get_markup_template("events_reminder.tpl");
1434                 return replace_macros($tpl, array(
1435                         '$baseurl' => $a->get_baseurl(),
1436                         '$classtoday' => $classtoday,
1437                         '$count' => count($r),
1438                         '$event_reminders' => t('Event Reminders'),
1439                         '$event_title' => t('Events this week:'),
1440                         '$events' => $r,
1441                 ));
1442         }
1443 }
1444
1445
1446 /**
1447  *
1448  * Wrap calls to proc_close(proc_open()) and call hook
1449  * so plugins can take part in process :)
1450  *
1451  * args:
1452  * $cmd program to run
1453  *  next args are passed as $cmd command line
1454  *
1455  * e.g.: proc_run("ls","-la","/tmp");
1456  *
1457  * $cmd and string args are surrounded with ""
1458  */
1459
1460 if(! function_exists('proc_run')) {
1461         function proc_run($cmd){
1462
1463                 $a = get_app();
1464
1465                 $args = func_get_args();
1466
1467                 $newargs = array();
1468                 if(! count($args))
1469                         return;
1470
1471                 // expand any arrays
1472
1473                 foreach($args as $arg) {
1474                         if(is_array($arg)) {
1475                                 foreach($arg as $n) {
1476                                         $newargs[] = $n;
1477                                 }
1478                         }
1479                         else
1480                                 $newargs[] = $arg;
1481                 }
1482
1483                 $args = $newargs;
1484
1485                 $arr = array('args' => $args, 'run_cmd' => true);
1486
1487                 call_hooks("proc_run", $arr);
1488                 if(! $arr['run_cmd'])
1489                         return;
1490
1491                 if(count($args) && $args[0] === 'php')
1492                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1493                 for($x = 0; $x < count($args); $x ++)
1494                         $args[$x] = escapeshellarg($args[$x]);
1495
1496                 $cmdline = implode($args," ");
1497                 if(get_config('system','proc_windows'))
1498                         proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo));
1499                 else
1500                         proc_close(proc_open($cmdline." &",array(),$foo));
1501         }
1502 }
1503
1504 if(! function_exists('current_theme')) {
1505         function current_theme(){
1506                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1507
1508                 $a = get_app();
1509
1510                 $mobile_detect = new Mobile_Detect();
1511                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1512
1513                 if($is_mobile) {
1514                         $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1515                         $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1516
1517                         if($theme_name === '---') {
1518                                 // user has selected to have the mobile theme be the same as the normal one
1519                                 $system_theme = '';
1520                                 $theme_name = '';
1521                         }
1522                 }
1523                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1524                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1525                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1526                 }
1527
1528                 if($theme_name &&
1529                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1530                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1531                         return($theme_name);
1532
1533                 foreach($app_base_themes as $t) {
1534                         if(file_exists('view/theme/' . $t . '/style.css')||
1535                                         file_exists('view/theme/' . $t . '/style.php'))
1536                                 return($t);
1537                 }
1538
1539                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1540                 if(count($fallback))
1541                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1542
1543         }
1544 }
1545
1546 /*
1547  * Return full URL to theme which is currently in effect.
1548 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1549 */
1550 if(! function_exists('current_theme_url')) {
1551         function current_theme_url() {
1552                 global $a;
1553                 $t = current_theme();
1554                 if (file_exists('view/theme/' . $t . '/style.php'))
1555                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1556                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1557         }
1558 }
1559
1560 if(! function_exists('feed_birthday')) {
1561         function feed_birthday($uid,$tz) {
1562
1563                 /**
1564                  *
1565                  * Determine the next birthday, but only if the birthday is published
1566                  * in the default profile. We _could_ also look for a private profile that the
1567                  * recipient can see, but somebody could get mad at us if they start getting
1568                  * public birthday greetings when they haven't made this info public.
1569                  *
1570                  * Assuming we are able to publish this info, we are then going to convert
1571                  * the start time from the owner's timezone to UTC.
1572                  *
1573                  * This will potentially solve the problem found with some social networks
1574                  * where birthdays are converted to the viewer's timezone and salutations from
1575                  * elsewhere in the world show up on the wrong day. We will convert it to the
1576                  * viewer's timezone also, but first we are going to convert it from the birthday
1577                  * person's timezone to GMT - so the viewer may find the birthday starting at
1578                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1579                  *
1580                  */
1581
1582
1583                 $birthday = '';
1584
1585                 if(! strlen($tz))
1586                         $tz = 'UTC';
1587
1588                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1589                                 intval($uid)
1590                 );
1591
1592                 if($p && count($p)) {
1593                         $tmp_dob = substr($p[0]['dob'],5);
1594                         if(intval($tmp_dob)) {
1595                                 $y = datetime_convert($tz,$tz,'now','Y');
1596                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1597                                 $t_dob = strtotime($bd);
1598                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1599                                 if($t_dob < $now)
1600                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1601                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1602                         }
1603                 }
1604
1605                 return $birthday;
1606         }
1607 }
1608
1609 if(! function_exists('is_site_admin')) {
1610         function is_site_admin() {
1611                 $a = get_app();
1612                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1613                         return true;
1614                 return false;
1615         }
1616 }
1617
1618
1619 if(! function_exists('load_contact_links')) {
1620         function load_contact_links($uid) {
1621
1622                 $a = get_app();
1623
1624                 $ret = array();
1625
1626                 if(! $uid || x($a->contacts,'empty'))
1627                         return;
1628
1629                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1630                                 intval($uid)
1631                 );
1632                 if(count($r)) {
1633                         foreach($r as $rr){
1634                                 $url = normalise_link($rr['url']);
1635                                 $ret[$url] = $rr;
1636                         }
1637                 }
1638                 else
1639                         $ret['empty'] = true;
1640                 $a->contacts = $ret;
1641                 return;
1642         }
1643 }
1644
1645 if(! function_exists('profile_tabs')){
1646         function profile_tabs($a, $is_owner=False, $nickname=Null){
1647                 //echo "<pre>"; var_dump($a->user); killme();
1648
1649                 if (is_null($nickname))
1650                         $nickname  = $a->user['nickname'];
1651
1652                 if(x($_GET,'tab'))
1653                         $tab = notags(trim($_GET['tab']));
1654
1655                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1656
1657                 $tabs = array(
1658                         array(
1659                                 'label'=>t('Status'),
1660                                 'url' => $url,
1661                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1662                                 'title' => t('Status Messages and Posts'),
1663                                 'id' => 'status-tab',
1664                         ),
1665                         array(
1666                                 'label' => t('Profile'),
1667                                 'url'   => $url.'/?tab=profile',
1668                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1669                                 'title' => t('Profile Details'),
1670                                 'id' => 'profile-tab',
1671                         ),
1672                         array(
1673                                 'label' => t('Photos'),
1674                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1675                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1676                                 'title' => t('Photo Albums'),
1677                                 'id' => 'photo-tab',
1678                         ),
1679                 );
1680
1681                 if ($is_owner){
1682                         $tabs[] = array(
1683                                 'label' => t('Events'),
1684                                 'url'   => $a->get_baseurl() . '/events',
1685                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1686                                 'title' => t('Events and Calendar'),
1687                                 'id' => 'events-tab',
1688                         );
1689                         $tabs[] = array(
1690                                 'label' => t('Personal Notes'),
1691                                 'url'   => $a->get_baseurl() . '/notes',
1692                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1693                                 'title' => t('Only You Can See This'),
1694                                 'id' => 'notes-tab',
1695                         );
1696                 }
1697
1698
1699                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1700                 call_hooks('profile_tabs', $arr);
1701
1702                 $tpl = get_markup_template('common_tabs.tpl');
1703
1704                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1705         }
1706 }
1707
1708 function get_my_url() {
1709         if(x($_SESSION,'my_url'))
1710                 return $_SESSION['my_url'];
1711         return false;
1712 }
1713
1714 function zrl_init(&$a) {
1715         $tmp_str = get_my_url();
1716         if(validate_url($tmp_str)) {
1717                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1718                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1719                 call_hooks('zrl_init',$arr);
1720         }
1721 }
1722
1723 function zrl($s,$force = false) {
1724         if(! strlen($s))
1725                 return $s;
1726         if((! strpos($s,'/profile/')) && (! $force))
1727                 return $s;
1728         if($force && substr($s,-1,1) !== '/')
1729                 $s = $s . '/';
1730         $achar = strpos($s,'?') ? '&' : '?';
1731         $mine = get_my_url();
1732         if($mine and ! link_compare($mine,$s))
1733                 return $s . $achar . 'zrl=' . urlencode($mine);
1734         return $s;
1735 }
1736
1737 /**
1738 * returns querystring as string from a mapped array
1739 *
1740 * @param params Array
1741 * @return string
1742 */
1743 function build_querystring($params, $name=null) {
1744     $ret = "";
1745     foreach($params as $key=>$val) {
1746         if(is_array($val)) {
1747             if($name==null) {
1748                 $ret .= build_querystring($val, $key);
1749             } else {
1750                 $ret .= build_querystring($val, $name."[$key]");
1751             }
1752         } else {
1753             $val = urlencode($val);
1754             if($name!=null) {
1755                 $ret.=$name."[$key]"."=$val&";
1756             } else {
1757                 $ret.= "$key=$val&";
1758             }
1759         }
1760     }
1761     return $ret;
1762 }