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
  12 define ( 'FRIENDICA_PLATFORM',     'Friendica');
  13 define ( 'FRIENDICA_VERSION',      '3.0.1378' );
  14 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  15 define ( 'DB_UPDATE_VERSION',      1149      );
  16
  17 define ( 'EOL',                    "<br />\r\n"     );
  18 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  19
  20
  21 /**
  22  *
  23  * Image storage quality. Lower numbers save space at cost of image detail.
  24  * For ease of upgrade, please do not change here. Change jpeg quality with
  25  * $a->config['system']['jpeg_quality'] = n;
  26  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  27  * below about 50
  28  *
  29  */
  30
  31 define ( 'JPEG_QUALITY',            100  );
  32 /**
  33  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  34  */
  35 define ( 'PNG_QUALITY',             8  );
  36
  37
  38 /**
  39  * Not yet used
  40  */
  41
  42 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  43
  44 /**
  45  * SSL redirection policies
  46  */
  47
  48 define ( 'SSL_POLICY_NONE',         0 );
  49 define ( 'SSL_POLICY_FULL',         1 );
  50 define ( 'SSL_POLICY_SELFSIGN',     2 );
  51
  52
  53 /**
  54  * log levels
  55  */
  56
  57 define ( 'LOGGER_NORMAL',          0 );
  58 define ( 'LOGGER_TRACE',           1 );
  59 define ( 'LOGGER_DEBUG',           2 );
  60 define ( 'LOGGER_DATA',            3 );
  61 define ( 'LOGGER_ALL',             4 );
  62
  63 /**
  64  * registration policies
  65  */
  66
  67 define ( 'REGISTER_CLOSED',        0 );
  68 define ( 'REGISTER_APPROVE',       1 );
  69 define ( 'REGISTER_OPEN',          2 );
  70
  71 /**
  72  * relationship types
  73  */
  74
  75 define ( 'CONTACT_IS_FOLLOWER', 1);
  76 define ( 'CONTACT_IS_SHARING',  2);
  77 define ( 'CONTACT_IS_FRIEND',   3);
  78
  79
  80 /**
  81  * Hook array order
  82  */
  83
  84 define ( 'HOOK_HOOK',      0);
  85 define ( 'HOOK_FILE',      1);
  86 define ( 'HOOK_FUNCTION',  2);
  87
  88 /**
  89  * DB update return values
  90  */
  91
  92 define ( 'UPDATE_SUCCESS', 0);
  93 define ( 'UPDATE_FAILED',  1);
  94
  95
  96 /**
  97  *
  98  * page/profile types
  99  *
 100  * PAGE_NORMAL is a typical personal profile account
 101  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
 102  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
 103  *      write access to wall and comments (no email and not included in page owner's ACL lists)
 104  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
 105  *
 106  */
 107
 108 define ( 'PAGE_NORMAL',            0 );
 109 define ( 'PAGE_SOAPBOX',           1 );
 110 define ( 'PAGE_COMMUNITY',         2 );
 111 define ( 'PAGE_FREELOVE',          3 );
 112 define ( 'PAGE_BLOG',              4 );
 113 define ( 'PAGE_PRVGROUP',          5 );
 114
 115 /**
 116  * Network and protocol family types
 117  */
 118
 119 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 120 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 121 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 122 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 123 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 124 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 125 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 126 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 127 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 128 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 129 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 130 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 131
 132 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 133
 134 /**
 135  * These numbers are used in stored permissions
 136  * and existing allocations MUST NEVER BE CHANGED
 137  * OR RE-ASSIGNED! You may only add to them.
 138  */
 139
 140 $netgroup_ids = array(
 141         NETWORK_DFRN     => (-1),
 142         NETWORK_ZOT      => (-2),
 143         NETWORK_OSTATUS  => (-3),
 144         NETWORK_FEED     => (-4),
 145         NETWORK_DIASPORA => (-5),
 146         NETWORK_MAIL     => (-6),
 147         NETWORK_MAIL2    => (-7),
 148         NETWORK_FACEBOOK => (-8),
 149         NETWORK_LINKEDIN => (-9),
 150         NETWORK_XMPP     => (-10),
 151         NETWORK_MYSPACE  => (-11),
 152         NETWORK_GPLUS    => (-12),
 153
 154         NETWORK_PHANTOM  => (-127),
 155 );
 156
 157
 158 /**
 159  * Maximum number of "people who like (or don't like) this"  that we will list by name
 160  */
 161
 162 define ( 'MAX_LIKERS',    75);
 163
 164 /**
 165  * Communication timeout
 166  */
 167
 168 define ( 'ZCURL_TIMEOUT' , (-1));
 169
 170
 171 /**
 172  * email notification options
 173  */
 174
 175 define ( 'NOTIFY_INTRO',    0x0001 );
 176 define ( 'NOTIFY_CONFIRM',  0x0002 );
 177 define ( 'NOTIFY_WALL',     0x0004 );
 178 define ( 'NOTIFY_COMMENT',  0x0008 );
 179 define ( 'NOTIFY_MAIL',     0x0010 );
 180 define ( 'NOTIFY_SUGGEST',  0x0020 );
 181 define ( 'NOTIFY_PROFILE',  0x0040 );
 182 define ( 'NOTIFY_TAGSELF',  0x0080 );
 183 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 184
 185 define ( 'NOTIFY_SYSTEM',   0x8000 );
 186
 187
 188 /**
 189  * various namespaces we may need to parse
 190  */
 191
 192 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 193 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 194 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 195 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 196 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 197 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 198 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 199 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 200 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 201 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 202 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 203 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 204 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 205 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 206 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 207 /**
 208  * activity stream defines
 209  */
 210
 211 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 212 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 213 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 214
 215 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 216 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 217 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 218 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 219 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 220 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 221
 222 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 223 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 224 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 225 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 226
 227 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 228 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 229 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 230 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 231 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 232 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 233 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 234 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 235 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 236 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 237
 238 /**
 239  * item weight for query ordering
 240  */
 241
 242 define ( 'GRAVITY_PARENT',       0);
 243 define ( 'GRAVITY_LIKE',         3);
 244 define ( 'GRAVITY_COMMENT',      6);
 245
 246 /**
 247  *
 248  * Reverse the effect of magic_quotes_gpc if it is enabled.
 249  * Please disable magic_quotes_gpc so we don't have to do this.
 250  * See http://php.net/manual/en/security.magicquotes.disabling.php
 251  *
 252  */
 253
 254 function startup() {
 255         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 256         set_time_limit(0);
 257
 258         // This has to be quite large to deal with embedded private photos
 259         ini_set('pcre.backtrack_limit', 500000);
 260
 261
 262         if (get_magic_quotes_gpc()) {
 263                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 264                 while (list($key, $val) = each($process)) {
 265                         foreach ($val as $k => $v) {
 266                                 unset($process[$key][$k]);
 267                                 if (is_array($v)) {
 268                                         $process[$key][stripslashes($k)] = $v;
 269                                         $process[] = &$process[$key][stripslashes($k)];
 270                                 } else {
 271                                         $process[$key][stripslashes($k)] = stripslashes($v);
 272                                 }
 273                         }
 274                 }
 275                 unset($process);
 276         }
 277
 278 }
 279
 280 /**
 281  *
 282  * class: App
 283  *
 284  * Our main application structure for the life of this page
 285  * Primarily deals with the URL that got us here
 286  * and tries to make some sense of it, and
 287  * stores our page contents and config storage
 288  * and anything else that might need to be passed around
 289  * before we spit the page out.
 290  *
 291  */
 292
 293 if(! class_exists('App')) {
 294         class App {
 295
 296                 public  $module_loaded = false;
 297                 public  $query_string;
 298                 public  $config;
 299                 public  $page;
 300                 public  $profile;
 301                 public  $user;
 302                 public  $cid;
 303                 public  $contact;
 304                 public  $contacts;
 305                 public  $page_contact;
 306                 public  $content;
 307                 public  $data = array();
 308                 public  $error = false;
 309                 public  $cmd;
 310                 public  $argv;
 311                 public  $argc;
 312                 public  $module;
 313                 public  $pager;
 314                 public  $strings;
 315                 public  $path;
 316                 public  $hooks;
 317                 public  $timezone;
 318                 public  $interactive = true;
 319                 public  $plugins;
 320                 public  $apps = array();
 321                 public  $identities;
 322
 323                 public $nav_sel;
 324
 325                 public $category;
 326
 327                 private $scheme;
 328                 private $hostname;
 329                 private $baseurl;
 330                 private $db;
 331
 332                 private $curl_code;
 333                 private $curl_headers;
 334
 335                 function __construct() {
 336
 337                         global $default_timezone;
 338
 339                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 340
 341                         date_default_timezone_set($this->timezone);
 342
 343                         $this->config = array();
 344                         $this->page = array();
 345                         $this->pager= array();
 346
 347                         $this->query_string = '';
 348
 349                         startup();
 350
 351                         $this->scheme = 'http';
 352                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 353                                 $this->scheme = 'https';
 354                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 355                         $this->scheme = 'https';
 356
 357
 358                         if(x($_SERVER,'SERVER_NAME')) {
 359                                 $this->hostname = $_SERVER['SERVER_NAME'];
 360                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 361                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 362                                 /**
 363                                  * Figure out if we are running at the top of a domain
 364                                  * or in a sub-directory and adjust accordingly
 365                                  */
 366
 367                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 368                                 if(isset($path) && strlen($path) && ($path != $this->path))
 369                                         $this->path = $path;
 370                         }
 371
 372                         set_include_path(
 373                                         "include/$this->hostname" . PATH_SEPARATOR
 374                                         . 'include' . PATH_SEPARATOR
 375                                         . 'library' . PATH_SEPARATOR
 376                                         . 'library/phpsec' . PATH_SEPARATOR
 377                                         . '.' );
 378
 379                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 380                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 381                                 // removing trailing / - maybe a nginx problem
 382                                 if (substr($this->query_string, 0, 1) == "/")
 383                                         $this->query_string = substr($this->query_string, 1);
 384                         }
 385                         if(x($_GET,'q'))
 386                                 $this->cmd = trim($_GET['q'],'/\\');
 387
 388                         // unix style "homedir"
 389
 390                         if(substr($this->cmd,0,1) === '~')
 391                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 392
 393                         // Diaspora style profile url
 394
 395                         if(substr($this->cmd,0,2) === 'u/')
 396                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 397
 398                         /**
 399                          *
 400                          * Break the URL path into C style argc/argv style arguments for our
 401                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 402                          * will be 3 (integer) and $this->argv will contain:
 403                          *   [0] => 'module'
 404                          *   [1] => 'arg1'
 405                          *   [2] => 'arg2'
 406                          *
 407                          *
 408                          * There will always be one argument. If provided a naked domain
 409                          * URL, $this->argv[0] is set to "home".
 410                          *
 411                          */
 412
 413                         $this->argv = explode('/',$this->cmd);
 414                         $this->argc = count($this->argv);
 415                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 416                                 $this->module = str_replace(".", "_", $this->argv[0]);
 417                         }
 418                         else {
 419                                 $this->argc = 1;
 420                                 $this->argv = array('home');
 421                                 $this->module = 'home';
 422                         }
 423
 424                         /**
 425                          * Special handling for the webfinger/lrdd host XRD file
 426                          */
 427
 428                         if($this->cmd === '.well-known/host-meta') {
 429                                 $this->argc = 1;
 430                                 $this->argv = array('hostxrd');
 431                                 $this->module = 'hostxrd';
 432                         }
 433
 434                         /**
 435                          * See if there is any page number information, and initialise
 436                          * pagination
 437                          */
 438
 439                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 440                         $this->pager['itemspage'] = 50;
 441                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 442                         $this->pager['total'] = 0;
 443                 }
 444
 445                 function get_baseurl($ssl = false) {
 446
 447                         $scheme = $this->scheme;
 448
 449                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 450                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 451                                         $scheme = 'https';
 452
 453                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 454                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 455
 456                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 457                                         if($ssl)
 458                                                 $scheme = 'https';
 459                                         else
 460                                                 $scheme = 'http';
 461                                 }
 462                         }
 463
 464                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 465                         return $this->baseurl;
 466                 }
 467
 468                 function set_baseurl($url) {
 469                         $parsed = @parse_url($url);
 470
 471                         $this->baseurl = $url;
 472
 473                         if($parsed) {
 474                                 $this->scheme = $parsed['scheme'];
 475
 476                                 $this->hostname = $parsed['host'];
 477                                 if(x($parsed,'port'))
 478                                         $this->hostname .= ':' . $parsed['port'];
 479                                 if(x($parsed,'path'))
 480                                         $this->path = trim($parsed['path'],'\\/');
 481                         }
 482
 483                 }
 484
 485                 function get_hostname() {
 486                         return $this->hostname;
 487                 }
 488
 489                 function set_hostname($h) {
 490                         $this->hostname = $h;
 491                 }
 492
 493                 function set_path($p) {
 494                         $this->path = trim(trim($p),'/');
 495                 }
 496
 497                 function get_path() {
 498                         return $this->path;
 499                 }
 500
 501                 function set_pager_total($n) {
 502                         $this->pager['total'] = intval($n);
 503                 }
 504
 505                 function set_pager_itemspage($n) {
 506                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 507                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 508
 509                 }
 510
 511                 function init_pagehead() {
 512                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 513                         if($interval < 10000)
 514                                 $interval = 40000;
 515
 516                         $this->page['title'] = $this->config['sitename'];
 517                         $tpl = file_get_contents('view/head.tpl');
 518                         $this->page['htmlhead'] = replace_macros($tpl,array(
 519                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 520                                 '$local_user' => local_user(),
 521                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 522                                 '$delitem' => t('Delete this item?'),
 523                                 '$comment' => t('Comment'),
 524                                 '$showmore' => t('show more'),
 525                                 '$showfewer' => t('show fewer'),
 526                                 '$update_interval' => $interval
 527                         ));
 528                 }
 529
 530                 function set_curl_code($code) {
 531                         $this->curl_code = $code;
 532                 }
 533
 534                 function get_curl_code() {
 535                         return $this->curl_code;
 536                 }
 537
 538                 function set_curl_headers($headers) {
 539                         $this->curl_headers = $headers;
 540                 }
 541
 542                 function get_curl_headers() {
 543                         return $this->curl_headers;
 544                 }
 545
 546
 547         }
 548 }
 549
 550 // retrieve the App structure
 551 // useful in functions which require it but don't get it passed to them
 552
 553 if(! function_exists('get_app')) {
 554         function get_app() {
 555                 global $a;
 556                 return $a;
 557         }
 558 };
 559
 560
 561 // Multi-purpose function to check variable state.
 562 // Usage: x($var) or $x($array,'key')
 563 // returns false if variable/key is not set
 564 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 565 // e.g. x('') or x(0) returns 0;
 566
 567 if(! function_exists('x')) {
 568         function x($s,$k = NULL) {
 569                 if($k != NULL) {
 570                         if((is_array($s)) && (array_key_exists($k,$s))) {
 571                                 if($s[$k])
 572                                         return (int) 1;
 573                                 return (int) 0;
 574                 }
 575                         return false;
 576                 }
 577                 else {
 578                         if(isset($s)) {
 579                                 if($s) {
 580                                         return (int) 1;
 581                                 }
 582                                 return (int) 0;
 583                         }
 584                         return false;
 585                 }
 586         }
 587 }
 588
 589 // called from db initialisation if db is dead.
 590
 591 if(! function_exists('system_unavailable')) {
 592         function system_unavailable() {
 593                 include('system_unavailable.php');
 594                 system_down();
 595                 killme();
 596         }
 597 }
 598
 599
 600
 601 function clean_urls() {
 602         global $a;
 603         //      if($a->config['system']['clean_urls'])
 604         return true;
 605         //      return false;
 606 }
 607
 608 function z_path() {
 609         global $a;
 610         $base = $a->get_baseurl();
 611         if(! clean_urls())
 612                 $base .= '/?q=';
 613         return $base;
 614 }
 615
 616 function z_root() {
 617         global $a;
 618         return $a->get_baseurl();
 619 }
 620
 621 function absurl($path) {
 622         if(strpos($path,'/') === 0)
 623                 return z_path() . $path;
 624         return $path;
 625 }
 626
 627 function is_ajax() {
 628         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 629 }
 630
 631
 632 // Primarily involved with database upgrade, but also sets the
 633 // base url for use in cmdline programs which don't have
 634 // $_SERVER variables, and synchronising the state of installed plugins.
 635
 636
 637 if(! function_exists('check_config')) {
 638         function check_config(&$a) {
 639
 640                 $build = get_config('system','build');
 641                 if(! x($build))
 642                         $build = set_config('system','build',DB_UPDATE_VERSION);
 643
 644                 $url = get_config('system','url');
 645
 646                 // if the url isn't set or the stored url is radically different
 647                 // than the currently visited url, store the current value accordingly.
 648                 // "Radically different" ignores common variations such as http vs https
 649                 // and www.example.com vs example.com.
 650
 651                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 652                         $url = set_config('system','url',$a->get_baseurl());
 653
 654                 if($build != DB_UPDATE_VERSION) {
 655                         $stored = intval($build);
 656                         $current = intval(DB_UPDATE_VERSION);
 657                         if(($stored < $current) && file_exists('update.php')) {
 658
 659                                 load_config('database');
 660
 661                                 // We're reporting a different version than what is currently installed.
 662                                 // Run any existing update scripts to bring the database up to current.
 663
 664                                 require_once('update.php');
 665
 666                                 // make sure that boot.php and update.php are the same release, we might be
 667                                 // updating right this very second and the correct version of the update.php
 668                                 // file may not be here yet. This can happen on a very busy site.
 669
 670                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 671
 672                                         for($x = $stored; $x < $current; $x ++) {
 673                                                 if(function_exists('update_' . $x)) {
 674
 675                                                         // There could be a lot of processes running or about to run.
 676                                                         // We want exactly one process to run the update command.
 677                                                         // So store the fact that we're taking responsibility
 678                                                         // after first checking to see if somebody else already has.
 679
 680                                                         // If the update fails or times-out completely you may need to
 681                                                         // delete the config entry to try again.
 682
 683                                                         if(get_config('database','update_' . $x))
 684                                                                 break;
 685                                                         set_config('database','update_' . $x, '1');
 686
 687                                                         // call the specific update
 688
 689                                                         $func = 'update_' . $x;
 690                                                         $retval = $func();
 691                                                         if($retval) {
 692                                                                 //send the administrator an e-mail
 693                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 694                                                                 $email_msg = replace_macros($email_tpl, array(
 695                                                                         '$sitename' => $a->config['sitename'],
 696                                                                         '$siteurl' =>  $a->get_baseurl(),
 697                                                                         '$update' => $x,
 698                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 699                                                                 ));
 700                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 701
 702                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 703                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 704                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 705                                                                         . 'Content-transfer-encoding: 8bit' );
 706                                                                 //try the logger
 707                                                                 logger('CRITICAL: Update Failed: '. $x);
 708                                                         }
 709                                                         else
 710                                                                 set_config('database','update_' . $x, 'success');
 711
 712                                                 }
 713                                         }
 714                                         set_config('system','build', DB_UPDATE_VERSION);
 715                                 }
 716                         }
 717                 }
 718
 719                 /**
 720                  *
 721                  * Synchronise plugins:
 722                  *
 723                  * $a->config['system']['addon'] contains a comma-separated list of names
 724                  * of plugins/addons which are used on this system.
 725                  * Go through the database list of already installed addons, and if we have
 726                  * an entry, but it isn't in the config list, call the uninstall procedure
 727                  * and mark it uninstalled in the database (for now we'll remove it).
 728                  * Then go through the config list and if we have a plugin that isn't installed,
 729                  * call the install procedure and add it to the database.
 730                  *
 731                  */
 732
 733                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 734                 if(count($r))
 735                         $installed = $r;
 736                 else
 737                         $installed = array();
 738
 739                 $plugins = get_config('system','addon');
 740                 $plugins_arr = array();
 741
 742                 if($plugins)
 743                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 744
 745                 $a->plugins = $plugins_arr;
 746
 747                 $installed_arr = array();
 748
 749                 if(count($installed)) {
 750                         foreach($installed as $i) {
 751                                 if(! in_array($i['name'],$plugins_arr)) {
 752                                         uninstall_plugin($i['name']);
 753                                 }
 754                                 else {
 755                                         $installed_arr[] = $i['name'];
 756                                 }
 757                         }
 758                 }
 759
 760                 if(count($plugins_arr)) {
 761                         foreach($plugins_arr as $p) {
 762                                 if(! in_array($p,$installed_arr)) {
 763                                         install_plugin($p);
 764                                 }
 765                         }
 766                 }
 767
 768
 769                 load_hooks();
 770
 771                 return;
 772         }
 773 }
 774
 775
 776 function get_guid($size=16) {
 777         $exists = true; // assume by default that we don't have a unique guid
 778         do {
 779                 $s = random_string($size);
 780                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 781                 if(! count($r))
 782                         $exists = false;
 783         } while($exists);
 784         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 785         return $s;
 786 }
 787
 788
 789 // wrapper for adding a login box. If $register == true provide a registration
 790 // link. This will most always depend on the value of $a->config['register_policy'].
 791 // returns the complete html for inserting into the page
 792
 793 if(! function_exists('login')) {
 794         function login($register = false, $hiddens=false) {
 795                 $a = get_app();
 796                 $o = "";
 797                 $reg = false;
 798                 if ($register) {
 799                         $reg = array(
 800                                 'title' => t('Create a New Account'),
 801                                 'desc' => t('Register')
 802                         );
 803                 }
 804
 805                 $noid = get_config('system','no_openid');
 806
 807                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 808
 809                 if(local_user()) {
 810                         $tpl = get_markup_template("logout.tpl");
 811                 }
 812                 else {
 813                         $tpl = get_markup_template("login.tpl");
 814                         $_SESSION['return_url'] = $a->query_string;
 815                 }
 816
 817
 818                 $o .= replace_macros($tpl,array(
 819
 820                         '$dest_url'     => $dest_url,
 821                         '$logout'       => t('Logout'),
 822                         '$login'        => t('Login'),
 823
 824                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 825                         '$lpassword'    => array('password', t('Password: '), '', ''),
 826
 827                         '$openid'               => !$noid,
 828                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 829
 830                         '$hiddens'      => $hiddens,
 831
 832                         '$register'     => $reg,
 833
 834                         '$lostpass'     => t('Forgot your password?'),
 835                         '$lostlink'     => t('Password Reset'),
 836                 ));
 837
 838                 call_hooks('login_hook',$o);
 839
 840                 return $o;
 841         }
 842 }
 843
 844 // Used to end the current process, after saving session state.
 845
 846 if(! function_exists('killme')) {
 847         function killme() {
 848                 session_write_close();
 849                 exit;
 850         }
 851 }
 852
 853 // redirect to another URL and terminate this process.
 854
 855 if(! function_exists('goaway')) {
 856         function goaway($s) {
 857                 header("Location: $s");
 858                 killme();
 859         }
 860 }
 861
 862
 863 // Returns the uid of locally logged in user or false.
 864
 865 if(! function_exists('local_user')) {
 866         function local_user() {
 867                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 868                         return intval($_SESSION['uid']);
 869                 return false;
 870         }
 871 }
 872
 873 // Returns contact id of authenticated site visitor or false
 874
 875 if(! function_exists('remote_user')) {
 876         function remote_user() {
 877                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 878                         return intval($_SESSION['visitor_id']);
 879                 return false;
 880         }
 881 }
 882
 883 // contents of $s are displayed prominently on the page the next time
 884 // a page is loaded. Usually used for errors or alerts.
 885
 886 if(! function_exists('notice')) {
 887         function notice($s) {
 888                 $a = get_app();
 889                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 890                 if($a->interactive)
 891                         $_SESSION['sysmsg'][] = $s;
 892         }
 893 }
 894 if(! function_exists('info')) {
 895         function info($s) {
 896                 $a = get_app();
 897                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 898                 if($a->interactive)
 899                         $_SESSION['sysmsg_info'][] = $s;
 900         }
 901 }
 902
 903
 904 // wrapper around config to limit the text length of an incoming message
 905
 906 if(! function_exists('get_max_import_size')) {
 907         function get_max_import_size() {
 908                 global $a;
 909                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 910         }
 911 }
 912
 913
 914
 915 /**
 916  *
 917  * Function : profile_load
 918  * @parameter App    $a
 919  * @parameter string $nickname
 920  * @parameter int    $profile
 921  *
 922  * Summary: Loads a profile into the page sidebar.
 923  * The function requires a writeable copy of the main App structure, and the nickname
 924  * of a registered local account.
 925  *
 926  * If the viewer is an authenticated remote viewer, the profile displayed is the
 927  * one that has been configured for his/her viewing in the Contact manager.
 928  * Passing a non-zero profile ID can also allow a preview of a selected profile
 929  * by the owner.
 930  *
 931  * Profile information is placed in the App structure for later retrieval.
 932  * Honours the owner's chosen theme for display.
 933  *
 934  */
 935
 936 if(! function_exists('profile_load')) {
 937         function profile_load(&$a, $nickname, $profile = 0) {
 938                 if(remote_user()) {
 939                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 940                                         intval($_SESSION['visitor_id']));
 941                         if(count($r))
 942                                 $profile = $r[0]['profile-id'];
 943                 }
 944
 945                 $r = null;
 946
 947                 if($profile) {
 948                         $profile_int = intval($profile);
 949                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 950                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 951                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 952                                         dbesc($nickname),
 953                                         intval($profile_int)
 954                         );
 955                 }
 956                 if((! $r) && (!  count($r))) {
 957                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 958                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 959                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 960                                         dbesc($nickname)
 961                         );
 962                 }
 963
 964                 if(($r === false) || (! count($r))) {
 965                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 966                         notice( t('Requested profile is not available.') . EOL );
 967                         $a->error = 404;
 968                         return;
 969                 }
 970
 971                 // fetch user tags if this isn't the default profile
 972
 973                 if(! $r[0]['is-default']) {
 974                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
 975                                         intval($profile_uid)
 976                         );
 977                         if($x && count($x))
 978                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
 979                 }
 980
 981                 $a->profile = $r[0];
 982
 983
 984                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
 985                 $_SESSION['theme'] = $a->profile['theme'];
 986
 987                 /**
 988                  * load/reload current theme info
 989                  */
 990
 991                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
 992                 if (file_exists($theme_info_file)){
 993                         require_once($theme_info_file);
 994                 }
 995
 996                 if(! (x($a->page,'aside')))
 997                         $a->page['aside'] = '';
 998
 999                 if(local_user() && local_user() == $a->profile['uid']) {
1000                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1001                                 '$editprofile' => t('Edit profile'),
1002                                 '$profid' => $a->profile['id']
1003                         ));
1004                 }
1005
1006                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1007
1008                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1009
1010                 /*if(! $block)
1011                  $a->page['aside'] .= contact_block();*/
1012
1013                 return;
1014         }
1015 }
1016
1017
1018 /**
1019  *
1020  * Function: profile_sidebar
1021  *
1022  * Formats a profile for display in the sidebar.
1023  * It is very difficult to templatise the HTML completely
1024  * because of all the conditional logic.
1025  *
1026  * @parameter: array $profile
1027  *
1028  * Returns HTML string stuitable for sidebar inclusion
1029  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1030  *
1031  */
1032
1033
1034 if(! function_exists('profile_sidebar')) {
1035         function profile_sidebar($profile, $block = 0) {
1036
1037                 $a = get_app();
1038
1039                 $o = '';
1040                 $location = false;
1041                 $address = false;
1042                 $pdesc = true;
1043
1044                 if((! is_array($profile)) && (! count($profile)))
1045                         return $o;
1046
1047                 $profile['picdate'] = urlencode($profile['picdate']);
1048
1049                 call_hooks('profile_sidebar_enter', $profile);
1050
1051
1052                 // don't show connect link to yourself
1053                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1054
1055                 // don't show connect link to authenticated visitors either
1056
1057                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1058                         $connect = False;
1059
1060                 if(get_my_url() && $profile['unkmail'])
1061                         $wallmessage = t('Message');
1062                 else
1063                         $wallmessage = false;
1064
1065
1066
1067                 // show edit profile to yourself
1068                 if ($profile['uid'] == local_user()) {
1069                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1070
1071                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1072                                         local_user());
1073
1074                         $profile['menu'] = array(
1075                                 'chg_photo' => t('Change profile photo'),
1076                                 'cr_new' => t('Create New Profile'),
1077                                 'entries' => array(),
1078                         );
1079
1080                         if(count($r)) {
1081
1082                                 foreach($r as $rr) {
1083                                         $profile['menu']['entries'][] = array(
1084                                                 'photo' => $rr['thumb'],
1085                                                 'id' => $rr['id'],
1086                                                 'alt' => t('Profile Image'),
1087                                                 'profile_name' => $rr['profile-name'],
1088                                                 'isdefault' => $rr['is-default'],
1089                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1090                                                 'edit_visibility' => t('Edit visibility'),
1091
1092                                         );
1093                                 }
1094
1095
1096                         }
1097
1098
1099                 }
1100
1101
1102
1103
1104                 if((x($profile,'address') == 1)
1105                                 || (x($profile,'locality') == 1)
1106                                 || (x($profile,'region') == 1)
1107                                 || (x($profile,'postal-code') == 1)
1108                                 || (x($profile,'country-name') == 1))
1109                         $location = t('Location:');
1110
1111                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1112
1113
1114                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1115
1116                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1117
1118                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1119                         $location = $pdesc = $gender = $marital = $homepage = False;
1120                 }
1121
1122                 $firstname = ((strpos($profile['name'],' '))
1123                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1124                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1125
1126                 $diaspora = array(
1127                         'podloc' => $a->get_baseurl(),
1128                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1129                         'nickname' => $profile['nickname'],
1130                         'fullname' => $profile['name'],
1131                         'firstname' => $firstname,
1132                         'lastname' => $lastname,
1133                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1134                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1135                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1136                 );
1137
1138                 if (!$block){
1139                         $contact_block = contact_block();
1140                 }
1141
1142
1143                 $tpl = get_markup_template('profile_vcard.tpl');
1144
1145                 $o .= replace_macros($tpl, array(
1146                         '$profile' => $profile,
1147                         '$connect'  => $connect,
1148                         '$wallmessage' => $wallmessage,
1149                         '$location' => template_escape($location),
1150                         '$gender'   => $gender,
1151                         '$pdesc'        => $pdesc,
1152                         '$marital'  => $marital,
1153                         '$homepage' => $homepage,
1154                         '$diaspora' => $diaspora,
1155                         '$contact_block' => $contact_block,
1156                 ));
1157
1158
1159                 $arr = array('profile' => &$profile, 'entry' => &$o);
1160
1161                 call_hooks('profile_sidebar', $arr);
1162
1163                 return $o;
1164         }
1165 }
1166
1167
1168 if(! function_exists('get_birthdays')) {
1169         function get_birthdays() {
1170
1171                 $a = get_app();
1172                 $o = '';
1173
1174                 if(! local_user())
1175                         return $o;
1176
1177                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1178                 $bd_short = t('F d');
1179
1180                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1181                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1182                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1183                                 ORDER BY `start` ASC ",
1184                                 intval(local_user()),
1185                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1186                                 dbesc(datetime_convert('UTC','UTC','now'))
1187                 );
1188
1189                 if($r && count($r)) {
1190                         $total = 0;
1191                         $now = strtotime('now');
1192                         $cids = array();
1193
1194                         $istoday = false;
1195                         foreach($r as $rr) {
1196                                 if(strlen($rr['name']))
1197                                         $total ++;
1198                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1199                                         $istoday = true;
1200                         }
1201                         $classtoday = $istoday ? ' birthday-today ' : '';
1202                         if($total) {
1203                                 foreach($r as &$rr) {
1204                                         if(! strlen($rr['name']))
1205                                                 continue;
1206
1207                                         // avoid duplicates
1208
1209                                         if(in_array($rr['cid'],$cids))
1210                                                 continue;
1211                                         $cids[] = $rr['cid'];
1212
1213                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1214                                         $sparkle = '';
1215                                         $url = $rr['url'];
1216                                         if($rr['network'] === NETWORK_DFRN) {
1217                                                 $sparkle = " sparkle";
1218                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1219                                         }
1220
1221                                         $rr['link'] = $url;
1222                                         $rr['title'] = $rr['name'];
1223                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1224                                         $rr['startime'] = Null;
1225                                         $rr['today'] = $today;
1226
1227                                 }
1228                         }
1229                 }
1230                 $tpl = get_markup_template("birthdays_reminder.tpl");
1231                 return replace_macros($tpl, array(
1232                         '$baseurl' => $a->get_baseurl(),
1233                         '$classtoday' => $classtoday,
1234                         '$count' => $total,
1235                         '$event_reminders' => t('Birthday Reminders'),
1236                         '$event_title' => t('Birthdays this week:'),
1237                         '$events' => $r,
1238                 ));
1239         }
1240 }
1241
1242
1243 if(! function_exists('get_events')) {
1244         function get_events() {
1245
1246                 require_once('include/bbcode.php');
1247
1248                 $a = get_app();
1249
1250                 if(! local_user())
1251                         return $o;
1252
1253                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1254                 $bd_short = t('F d');
1255
1256                 $r = q("SELECT `event`.* FROM `event`
1257                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1258                                 ORDER BY `start` ASC ",
1259                                 intval(local_user()),
1260                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1261                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1262                 );
1263
1264                 if($r && count($r)) {
1265                         $now = strtotime('now');
1266                         $istoday = false;
1267                         foreach($r as $rr) {
1268                                 if(strlen($rr['name']))
1269                                         $total ++;
1270
1271                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1272                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1273                                         $istoday = true;
1274                         }
1275                         $classtoday = (($istoday) ? 'event-today' : '');
1276
1277
1278                         foreach($r as &$rr) {
1279                                 if($rr['adjust'])
1280                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1281                                 else
1282                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1283                                 $md .= "/#link-".$rr['id'];
1284
1285                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1286                                 if(! $title)
1287                                         $title = t('[No description]');
1288
1289                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1290                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1291
1292                                 $rr['link'] = $md;
1293                                 $rr['title'] = $title;
1294                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1295                                 $rr['startime'] = $strt;
1296                                 $rr['today'] = $today;
1297                         }
1298                 }
1299
1300                 $tpl = get_markup_template("events_reminder.tpl");
1301                 return replace_macros($tpl, array(
1302                         '$baseurl' => $a->get_baseurl(),
1303                         '$classtoday' => $classtoday,
1304                         '$count' => count($r),
1305                         '$event_reminders' => t('Event Reminders'),
1306                         '$event_title' => t('Events this week:'),
1307                         '$events' => $r,
1308                 ));
1309         }
1310 }
1311
1312
1313 /**
1314  *
1315  * Wrap calls to proc_close(proc_open()) and call hook
1316  * so plugins can take part in process :)
1317  *
1318  * args:
1319  * $cmd program to run
1320  *  next args are passed as $cmd command line
1321  *
1322  * e.g.: proc_run("ls","-la","/tmp");
1323  *
1324  * $cmd and string args are surrounded with ""
1325  */
1326
1327 if(! function_exists('proc_run')) {
1328         function proc_run($cmd){
1329
1330                 $a = get_app();
1331
1332                 $args = func_get_args();
1333
1334                 $newargs = array();
1335                 if(! count($args))
1336                         return;
1337
1338                 // expand any arrays
1339
1340                 foreach($args as $arg) {
1341                         if(is_array($arg)) {
1342                                 foreach($arg as $n) {
1343                                         $newargs[] = $n;
1344                                 }
1345                         }
1346                         else
1347                                 $newargs[] = $arg;
1348                 }
1349
1350                 $args = $newargs;
1351
1352                 $arr = array('args' => $args, 'run_cmd' => true);
1353
1354                 call_hooks("proc_run", $arr);
1355                 if(! $arr['run_cmd'])
1356                         return;
1357
1358                 if(count($args) && $args[0] === 'php')
1359                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1360                 foreach ($args as $arg){
1361                         $arg = escapeshellarg($arg);
1362                 }
1363                 $cmdline = implode($args," ");
1364                 proc_close(proc_open($cmdline." &",array(),$foo));
1365         }
1366 }
1367
1368 if(! function_exists('current_theme')) {
1369         function current_theme(){
1370                 $app_base_themes = array('duepuntozero', 'loozah');
1371
1372                 $a = get_app();
1373
1374                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1375                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1376
1377                 if($theme_name &&
1378                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1379                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1380                         return($theme_name);
1381
1382                 foreach($app_base_themes as $t) {
1383                         if(file_exists('view/theme/' . $t . '/style.css')||
1384                                         file_exists('view/theme/' . $t . '/style.php'))
1385                                 return($t);
1386                 }
1387
1388                 $fallback = glob('view/theme/*/style.[css|php]');
1389                 if(count($fallback))
1390                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1391
1392         }
1393 }
1394
1395 /*
1396  * Return full URL to theme which is currently in effect.
1397 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1398 */
1399 if(! function_exists('current_theme_url')) {
1400         function current_theme_url() {
1401                 global $a;
1402                 $t = current_theme();
1403                 if (file_exists('view/theme/' . $t . '/style.php'))
1404                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1405                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1406         }
1407 }
1408
1409 if(! function_exists('feed_birthday')) {
1410         function feed_birthday($uid,$tz) {
1411
1412                 /**
1413                  *
1414                  * Determine the next birthday, but only if the birthday is published
1415                  * in the default profile. We _could_ also look for a private profile that the
1416                  * recipient can see, but somebody could get mad at us if they start getting
1417                  * public birthday greetings when they haven't made this info public.
1418                  *
1419                  * Assuming we are able to publish this info, we are then going to convert
1420                  * the start time from the owner's timezone to UTC.
1421                  *
1422                  * This will potentially solve the problem found with some social networks
1423                  * where birthdays are converted to the viewer's timezone and salutations from
1424                  * elsewhere in the world show up on the wrong day. We will convert it to the
1425                  * viewer's timezone also, but first we are going to convert it from the birthday
1426                  * person's timezone to GMT - so the viewer may find the birthday starting at
1427                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1428                  *
1429                  */
1430
1431
1432                 $birthday = '';
1433
1434                 if(! strlen($tz))
1435                         $tz = 'UTC';
1436
1437                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1438                                 intval($uid)
1439                 );
1440
1441                 if($p && count($p)) {
1442                         $tmp_dob = substr($p[0]['dob'],5);
1443                         if(intval($tmp_dob)) {
1444                                 $y = datetime_convert($tz,$tz,'now','Y');
1445                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1446                                 $t_dob = strtotime($bd);
1447                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1448                                 if($t_dob < $now)
1449                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1450                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1451                         }
1452                 }
1453
1454                 return $birthday;
1455         }
1456 }
1457
1458 if(! function_exists('is_site_admin')) {
1459         function is_site_admin() {
1460                 $a = get_app();
1461                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1462                         return true;
1463                 return false;
1464         }
1465 }
1466
1467
1468 if(! function_exists('load_contact_links')) {
1469         function load_contact_links($uid) {
1470
1471                 $a = get_app();
1472
1473                 $ret = array();
1474
1475                 if(! $uid || x($a->contacts,'empty'))
1476                         return;
1477
1478                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1479                                 intval($uid)
1480                 );
1481                 if(count($r)) {
1482                         foreach($r as $rr){
1483                                 $url = normalise_link($rr['url']);
1484                                 $ret[$url] = $rr;
1485                         }
1486                 }
1487                 else
1488                         $ret['empty'] = true;
1489                 $a->contacts = $ret;
1490                 return;
1491         }
1492 }
1493
1494 if(! function_exists('profile_tabs')){
1495         function profile_tabs($a, $is_owner=False, $nickname=Null){
1496                 //echo "<pre>"; var_dump($a->user); killme();
1497
1498                 if (is_null($nickname))
1499                         $nickname  = $a->user['nickname'];
1500
1501                 if(x($_GET,'tab'))
1502                         $tab = notags(trim($_GET['tab']));
1503
1504                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1505
1506                 $tabs = array(
1507                         array(
1508                                 'label'=>t('Status'),
1509                                 'url' => $url,
1510                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1511                                 'title' => t('Status Messages and Posts'),
1512                         ),
1513                         array(
1514                                 'label' => t('Profile'),
1515                                 'url'   => $url.'/?tab=profile',
1516                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1517                                 'title' => t('Profile Details'),
1518                         ),
1519                         array(
1520                                 'label' => t('Photos'),
1521                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1522                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1523                                 'title' => t('Photo Albums'),
1524                         ),
1525                 );
1526
1527                 if ($is_owner){
1528                         $tabs[] = array(
1529                                 'label' => t('Events'),
1530                                 'url'   => $a->get_baseurl() . '/events',
1531                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1532                                 'title' => t('Events and Calendar'),
1533                         );
1534                         $tabs[] = array(
1535                                 'label' => t('Personal Notes'),
1536                                 'url'   => $a->get_baseurl() . '/notes',
1537                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1538                                 'title' => t('Only You Can See This'),
1539                         );
1540                 }
1541
1542
1543                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1544                 call_hooks('profile_tabs', $arr);
1545
1546                 $tpl = get_markup_template('common_tabs.tpl');
1547
1548                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1549         }
1550 }
1551
1552 function get_my_url() {
1553         if(x($_SESSION,'my_url'))
1554                 return $_SESSION['my_url'];
1555         return false;
1556 }
1557
1558 function zrl_init(&$a) {
1559         $tmp_str = get_my_url();
1560         if(validate_url($tmp_str)) {
1561                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1562                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1563                 call_hooks('zrl_init',$arr);
1564         }
1565 }
1566
1567 function zrl($s,$force = false) {
1568         if(! strlen($s))
1569                 return $s;
1570         if((! strpos($s,'/profile/')) && (! $force))
1571                 return $s;
1572         if($force && substr($s,-1,1) !== '/')
1573                 $s = $s . '/';
1574         $achar = strpos($s,'?') ? '&' : '?';
1575         $mine = get_my_url();
1576         if($mine and ! link_compare($mine,$s))
1577                 return $s . $achar . 'zrl=' . urlencode($mine);
1578         return $s;
1579 }
1580
1581 /**
1582 * returns querystring as string from a mapped array
1583 *
1584 * @param params Array
1585 * @return string
1586 */
1587 function build_querystring($params, $name=null) {
1588     $ret = "";
1589     foreach($params as $key=>$val) {
1590         if(is_array($val)) {
1591             if($name==null) {
1592                 $ret .= build_querystring($val, $key);
1593             } else {
1594                 $ret .= build_querystring($val, $name."[$key]");
1595             }
1596         } else {
1597             $val = urlencode($val);
1598             if($name!=null) {
1599                 $ret.=$name."[$key]"."=$val&";
1600             } else {
1601                 $ret.= "$key=$val&";
1602             }
1603         }
1604     }
1605     return $ret;
1606 }