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',      '3.0.1391' );
  14 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  15 define ( 'DB_UPDATE_VERSION',      1151      );
  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  * DB update return values
  82  */
  83
  84 define ( 'UPDATE_SUCCESS', 0);
  85 define ( 'UPDATE_FAILED',  1);
  86
  87
  88 /**
  89  *
  90  * page/profile types
  91  *
  92  * PAGE_NORMAL is a typical personal profile account
  93  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
  94  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
  95  *      write access to wall and comments (no email and not included in page owner's ACL lists)
  96  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
  97  *
  98  */
  99
 100 define ( 'PAGE_NORMAL',            0 );
 101 define ( 'PAGE_SOAPBOX',           1 );
 102 define ( 'PAGE_COMMUNITY',         2 );
 103 define ( 'PAGE_FREELOVE',          3 );
 104 define ( 'PAGE_BLOG',              4 );
 105 define ( 'PAGE_PRVGROUP',          5 );
 106
 107 /**
 108  * Network and protocol family types
 109  */
 110
 111 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 112 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 113 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 114 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 115 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 116 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 117 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 118 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 119 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 120 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 121 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 122 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 123
 124 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 125
 126 /**
 127  * These numbers are used in stored permissions
 128  * and existing allocations MUST NEVER BE CHANGED
 129  * OR RE-ASSIGNED! You may only add to them.
 130  */
 131
 132 $netgroup_ids = array(
 133         NETWORK_DFRN     => (-1),
 134         NETWORK_ZOT      => (-2),
 135         NETWORK_OSTATUS  => (-3),
 136         NETWORK_FEED     => (-4),
 137         NETWORK_DIASPORA => (-5),
 138         NETWORK_MAIL     => (-6),
 139         NETWORK_MAIL2    => (-7),
 140         NETWORK_FACEBOOK => (-8),
 141         NETWORK_LINKEDIN => (-9),
 142         NETWORK_XMPP     => (-10),
 143         NETWORK_MYSPACE  => (-11),
 144         NETWORK_GPLUS    => (-12),
 145
 146         NETWORK_PHANTOM  => (-127),
 147 );
 148
 149
 150 /**
 151  * Maximum number of "people who like (or don't like) this"  that we will list by name
 152  */
 153
 154 define ( 'MAX_LIKERS',    75);
 155
 156 /**
 157  * Communication timeout
 158  */
 159
 160 define ( 'ZCURL_TIMEOUT' , (-1));
 161
 162
 163 /**
 164  * email notification options
 165  */
 166
 167 define ( 'NOTIFY_INTRO',    0x0001 );
 168 define ( 'NOTIFY_CONFIRM',  0x0002 );
 169 define ( 'NOTIFY_WALL',     0x0004 );
 170 define ( 'NOTIFY_COMMENT',  0x0008 );
 171 define ( 'NOTIFY_MAIL',     0x0010 );
 172 define ( 'NOTIFY_SUGGEST',  0x0020 );
 173 define ( 'NOTIFY_PROFILE',  0x0040 );
 174 define ( 'NOTIFY_TAGSELF',  0x0080 );
 175 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 176
 177 define ( 'NOTIFY_SYSTEM',   0x8000 );
 178
 179
 180 /**
 181  * various namespaces we may need to parse
 182  */
 183
 184 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 185 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 186 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 187 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 188 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 189 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 190 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 191 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 192 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 193 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 194 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 195 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 196 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 197 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 198 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 199 /**
 200  * activity stream defines
 201  */
 202
 203 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 204 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 205 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 206
 207 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 208 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 209 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 210 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 211 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 212 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 213
 214 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 215 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 216 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 217 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 218
 219 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 220 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 221 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 222 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 223 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 224 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 225 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 226 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 227 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 228 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 229
 230 /**
 231  * item weight for query ordering
 232  */
 233
 234 define ( 'GRAVITY_PARENT',       0);
 235 define ( 'GRAVITY_LIKE',         3);
 236 define ( 'GRAVITY_COMMENT',      6);
 237
 238 /**
 239  *
 240  * Reverse the effect of magic_quotes_gpc if it is enabled.
 241  * Please disable magic_quotes_gpc so we don't have to do this.
 242  * See http://php.net/manual/en/security.magicquotes.disabling.php
 243  *
 244  */
 245
 246 function startup() {
 247         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 248         set_time_limit(0);
 249
 250         // This has to be quite large to deal with embedded private photos
 251         ini_set('pcre.backtrack_limit', 500000);
 252
 253
 254         if (get_magic_quotes_gpc()) {
 255                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 256                 while (list($key, $val) = each($process)) {
 257                         foreach ($val as $k => $v) {
 258                                 unset($process[$key][$k]);
 259                                 if (is_array($v)) {
 260                                         $process[$key][stripslashes($k)] = $v;
 261                                         $process[] = &$process[$key][stripslashes($k)];
 262                                 } else {
 263                                         $process[$key][stripslashes($k)] = stripslashes($v);
 264                                 }
 265                         }
 266                 }
 267                 unset($process);
 268         }
 269
 270 }
 271
 272 /**
 273  *
 274  * class: App
 275  *
 276  * Our main application structure for the life of this page
 277  * Primarily deals with the URL that got us here
 278  * and tries to make some sense of it, and
 279  * stores our page contents and config storage
 280  * and anything else that might need to be passed around
 281  * before we spit the page out.
 282  *
 283  */
 284
 285 if(! class_exists('App')) {
 286         class App {
 287
 288                 public  $module_loaded = false;
 289                 public  $query_string;
 290                 public  $config;
 291                 public  $page;
 292                 public  $profile;
 293                 public  $user;
 294                 public  $cid;
 295                 public  $contact;
 296                 public  $contacts;
 297                 public  $page_contact;
 298                 public  $content;
 299                 public  $data = array();
 300                 public  $error = false;
 301                 public  $cmd;
 302                 public  $argv;
 303                 public  $argc;
 304                 public  $module;
 305                 public  $pager;
 306                 public  $strings;
 307                 public  $path;
 308                 public  $hooks;
 309                 public  $timezone;
 310                 public  $interactive = true;
 311                 public  $plugins;
 312                 public  $apps = array();
 313                 public  $identities;
 314
 315                 public $nav_sel;
 316
 317                 public $category;
 318
 319                 private $scheme;
 320                 private $hostname;
 321                 private $baseurl;
 322                 private $db;
 323
 324                 private $curl_code;
 325                 private $curl_headers;
 326
 327                 private $cached_profile_image;
 328                 private $cached_profile_picdate;
 329
 330                 function __construct() {
 331
 332                         global $default_timezone;
 333
 334                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 335
 336                         date_default_timezone_set($this->timezone);
 337
 338                         $this->config = array();
 339                         $this->page = array();
 340                         $this->pager= array();
 341
 342                         $this->query_string = '';
 343
 344                         startup();
 345
 346                         $this->scheme = 'http';
 347                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 348                                 $this->scheme = 'https';
 349                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 350                         $this->scheme = 'https';
 351
 352
 353                         if(x($_SERVER,'SERVER_NAME')) {
 354                                 $this->hostname = $_SERVER['SERVER_NAME'];
 355                                 if(stristr($this->hostname,'xn--')) {
 356                                         // PHP or webserver may have converted idn to punycode, so
 357                                         // convert punycode back to utf-8
 358                                         require_once('library/simplepie/idn/idna_convert.class.php');
 359                                         $x = new idna_convert();
 360                                         $this->hostname = $x->decode($s);
 361                                 }
 362
 363                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 364                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 365                                 /**
 366                                  * Figure out if we are running at the top of a domain
 367                                  * or in a sub-directory and adjust accordingly
 368                                  */
 369
 370                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 371                                 if(isset($path) && strlen($path) && ($path != $this->path))
 372                                         $this->path = $path;
 373                         }
 374
 375                         set_include_path(
 376                                         "include/$this->hostname" . PATH_SEPARATOR
 377                                         . 'include' . PATH_SEPARATOR
 378                                         . 'library' . PATH_SEPARATOR
 379                                         . 'library/phpsec' . PATH_SEPARATOR
 380                                         . '.' );
 381
 382                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 383                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 384                                 // removing trailing / - maybe a nginx problem
 385                                 if (substr($this->query_string, 0, 1) == "/")
 386                                         $this->query_string = substr($this->query_string, 1);
 387                         }
 388                         if(x($_GET,'q'))
 389                                 $this->cmd = trim($_GET['q'],'/\\');
 390
 391                         // unix style "homedir"
 392
 393                         if(substr($this->cmd,0,1) === '~')
 394                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 395
 396                         // Diaspora style profile url
 397
 398                         if(substr($this->cmd,0,2) === 'u/')
 399                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 400
 401                         /**
 402                          *
 403                          * Break the URL path into C style argc/argv style arguments for our
 404                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 405                          * will be 3 (integer) and $this->argv will contain:
 406                          *   [0] => 'module'
 407                          *   [1] => 'arg1'
 408                          *   [2] => 'arg2'
 409                          *
 410                          *
 411                          * There will always be one argument. If provided a naked domain
 412                          * URL, $this->argv[0] is set to "home".
 413                          *
 414                          */
 415
 416                         $this->argv = explode('/',$this->cmd);
 417                         $this->argc = count($this->argv);
 418                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 419                                 $this->module = str_replace(".", "_", $this->argv[0]);
 420                         }
 421                         else {
 422                                 $this->argc = 1;
 423                                 $this->argv = array('home');
 424                                 $this->module = 'home';
 425                         }
 426
 427                         /**
 428                          * Special handling for the webfinger/lrdd host XRD file
 429                          */
 430
 431                         if($this->cmd === '.well-known/host-meta') {
 432                                 $this->argc = 1;
 433                                 $this->argv = array('hostxrd');
 434                                 $this->module = 'hostxrd';
 435                         }
 436
 437                         /**
 438                          * See if there is any page number information, and initialise
 439                          * pagination
 440                          */
 441
 442                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 443                         $this->pager['itemspage'] = 50;
 444                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 445                         if($this->pager['start'] < 0)
 446                                 $this->pager['start'] = 0;
 447                         $this->pager['total'] = 0;
 448                 }
 449
 450                 function get_baseurl($ssl = false) {
 451
 452                         $scheme = $this->scheme;
 453
 454                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 455                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 456                                         $scheme = 'https';
 457
 458                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 459                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 460
 461                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 462                                         if($ssl)
 463                                                 $scheme = 'https';
 464                                         else
 465                                                 $scheme = 'http';
 466                                 }
 467                         }
 468
 469                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 470                         return $this->baseurl;
 471                 }
 472
 473                 function set_baseurl($url) {
 474                         $parsed = @parse_url($url);
 475
 476                         $this->baseurl = $url;
 477
 478                         if($parsed) {
 479                                 $this->scheme = $parsed['scheme'];
 480
 481                                 $this->hostname = $parsed['host'];
 482                                 if(x($parsed,'port'))
 483                                         $this->hostname .= ':' . $parsed['port'];
 484                                 if(x($parsed,'path'))
 485                                         $this->path = trim($parsed['path'],'\\/');
 486                         }
 487
 488                 }
 489
 490                 function get_hostname() {
 491                         return $this->hostname;
 492                 }
 493
 494                 function set_hostname($h) {
 495                         $this->hostname = $h;
 496                 }
 497
 498                 function set_path($p) {
 499                         $this->path = trim(trim($p),'/');
 500                 }
 501
 502                 function get_path() {
 503                         return $this->path;
 504                 }
 505
 506                 function set_pager_total($n) {
 507                         $this->pager['total'] = intval($n);
 508                 }
 509
 510                 function set_pager_itemspage($n) {
 511                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 512                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 513
 514                 }
 515
 516                 function init_pagehead() {
 517                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 518                         if($interval < 10000)
 519                                 $interval = 40000;
 520
 521                         $this->page['title'] = $this->config['sitename'];
 522                         $tpl = file_get_contents('view/head.tpl');
 523                         $this->page['htmlhead'] = replace_macros($tpl,array(
 524                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 525                                 '$local_user' => local_user(),
 526                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 527                                 '$delitem' => t('Delete this item?'),
 528                                 '$comment' => t('Comment'),
 529                                 '$showmore' => t('show more'),
 530                                 '$showfewer' => t('show fewer'),
 531                                 '$update_interval' => $interval
 532                         ));
 533                 }
 534
 535                 function set_curl_code($code) {
 536                         $this->curl_code = $code;
 537                 }
 538
 539                 function get_curl_code() {
 540                         return $this->curl_code;
 541                 }
 542
 543                 function set_curl_headers($headers) {
 544                         $this->curl_headers = $headers;
 545                 }
 546
 547                 function get_curl_headers() {
 548                         return $this->curl_headers;
 549                 }
 550
 551                 function get_cached_avatar_image($avatar_image){
 552                         if($this->cached_profile_image[$avatar_image])
 553                                 return $this->cached_profile_image[$avatar_image];
 554
 555                         $path_parts = explode("/",$avatar_image);
 556                         $common_filename = $path_parts[count($path_parts)-1];
 557
 558                         if($this->cached_profile_picdate[$common_filename]){
 559                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 560                         } else {
 561                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 562                                         $common_filename);
 563                                 if(! count($r)){
 564                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 565                                 } else {
 566                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 567                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 568                                 }
 569                         }
 570                         return $this->cached_profile_image[$avatar_image];
 571                 }
 572
 573
 574         }
 575 }
 576
 577 // retrieve the App structure
 578 // useful in functions which require it but don't get it passed to them
 579
 580 if(! function_exists('get_app')) {
 581         function get_app() {
 582                 global $a;
 583                 return $a;
 584         }
 585 };
 586
 587
 588 // Multi-purpose function to check variable state.
 589 // Usage: x($var) or $x($array,'key')
 590 // returns false if variable/key is not set
 591 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 592 // e.g. x('') or x(0) returns 0;
 593
 594 if(! function_exists('x')) {
 595         function x($s,$k = NULL) {
 596                 if($k != NULL) {
 597                         if((is_array($s)) && (array_key_exists($k,$s))) {
 598                                 if($s[$k])
 599                                         return (int) 1;
 600                                 return (int) 0;
 601                 }
 602                         return false;
 603                 }
 604                 else {
 605                         if(isset($s)) {
 606                                 if($s) {
 607                                         return (int) 1;
 608                                 }
 609                                 return (int) 0;
 610                         }
 611                         return false;
 612                 }
 613         }
 614 }
 615
 616 // called from db initialisation if db is dead.
 617
 618 if(! function_exists('system_unavailable')) {
 619         function system_unavailable() {
 620                 include('system_unavailable.php');
 621                 system_down();
 622                 killme();
 623         }
 624 }
 625
 626
 627
 628 function clean_urls() {
 629         global $a;
 630         //      if($a->config['system']['clean_urls'])
 631         return true;
 632         //      return false;
 633 }
 634
 635 function z_path() {
 636         global $a;
 637         $base = $a->get_baseurl();
 638         if(! clean_urls())
 639                 $base .= '/?q=';
 640         return $base;
 641 }
 642
 643 function z_root() {
 644         global $a;
 645         return $a->get_baseurl();
 646 }
 647
 648 function absurl($path) {
 649         if(strpos($path,'/') === 0)
 650                 return z_path() . $path;
 651         return $path;
 652 }
 653
 654 function is_ajax() {
 655         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 656 }
 657
 658
 659 // Primarily involved with database upgrade, but also sets the
 660 // base url for use in cmdline programs which don't have
 661 // $_SERVER variables, and synchronising the state of installed plugins.
 662
 663
 664 if(! function_exists('check_config')) {
 665         function check_config(&$a) {
 666
 667                 $build = get_config('system','build');
 668                 if(! x($build))
 669                         $build = set_config('system','build',DB_UPDATE_VERSION);
 670
 671                 $url = get_config('system','url');
 672
 673                 // if the url isn't set or the stored url is radically different
 674                 // than the currently visited url, store the current value accordingly.
 675                 // "Radically different" ignores common variations such as http vs https
 676                 // and www.example.com vs example.com.
 677
 678                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 679                         $url = set_config('system','url',$a->get_baseurl());
 680
 681                 if($build != DB_UPDATE_VERSION) {
 682                         $stored = intval($build);
 683                         $current = intval(DB_UPDATE_VERSION);
 684                         if(($stored < $current) && file_exists('update.php')) {
 685
 686                                 load_config('database');
 687
 688                                 // We're reporting a different version than what is currently installed.
 689                                 // Run any existing update scripts to bring the database up to current.
 690
 691                                 require_once('update.php');
 692
 693                                 // make sure that boot.php and update.php are the same release, we might be
 694                                 // updating right this very second and the correct version of the update.php
 695                                 // file may not be here yet. This can happen on a very busy site.
 696
 697                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 698
 699                                         for($x = $stored; $x < $current; $x ++) {
 700                                                 if(function_exists('update_' . $x)) {
 701
 702                                                         // There could be a lot of processes running or about to run.
 703                                                         // We want exactly one process to run the update command.
 704                                                         // So store the fact that we're taking responsibility
 705                                                         // after first checking to see if somebody else already has.
 706
 707                                                         // If the update fails or times-out completely you may need to
 708                                                         // delete the config entry to try again.
 709
 710                                                         if(get_config('database','update_' . $x))
 711                                                                 break;
 712                                                         set_config('database','update_' . $x, '1');
 713
 714                                                         // call the specific update
 715
 716                                                         $func = 'update_' . $x;
 717                                                         $retval = $func();
 718                                                         if($retval) {
 719                                                                 //send the administrator an e-mail
 720                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 721                                                                 $email_msg = replace_macros($email_tpl, array(
 722                                                                         '$sitename' => $a->config['sitename'],
 723                                                                         '$siteurl' =>  $a->get_baseurl(),
 724                                                                         '$update' => $x,
 725                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 726                                                                 ));
 727                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 728
 729                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 730                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 731                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 732                                                                         . 'Content-transfer-encoding: 8bit' );
 733                                                                 //try the logger
 734                                                                 logger('CRITICAL: Update Failed: '. $x);
 735                                                         }
 736                                                         else
 737                                                                 set_config('database','update_' . $x, 'success');
 738
 739                                                 }
 740                                         }
 741                                         set_config('system','build', DB_UPDATE_VERSION);
 742                                 }
 743                         }
 744                 }
 745
 746                 /**
 747                  *
 748                  * Synchronise plugins:
 749                  *
 750                  * $a->config['system']['addon'] contains a comma-separated list of names
 751                  * of plugins/addons which are used on this system.
 752                  * Go through the database list of already installed addons, and if we have
 753                  * an entry, but it isn't in the config list, call the uninstall procedure
 754                  * and mark it uninstalled in the database (for now we'll remove it).
 755                  * Then go through the config list and if we have a plugin that isn't installed,
 756                  * call the install procedure and add it to the database.
 757                  *
 758                  */
 759
 760                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 761                 if(count($r))
 762                         $installed = $r;
 763                 else
 764                         $installed = array();
 765
 766                 $plugins = get_config('system','addon');
 767                 $plugins_arr = array();
 768
 769                 if($plugins)
 770                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 771
 772                 $a->plugins = $plugins_arr;
 773
 774                 $installed_arr = array();
 775
 776                 if(count($installed)) {
 777                         foreach($installed as $i) {
 778                                 if(! in_array($i['name'],$plugins_arr)) {
 779                                         uninstall_plugin($i['name']);
 780                                 }
 781                                 else {
 782                                         $installed_arr[] = $i['name'];
 783                                 }
 784                         }
 785                 }
 786
 787                 if(count($plugins_arr)) {
 788                         foreach($plugins_arr as $p) {
 789                                 if(! in_array($p,$installed_arr)) {
 790                                         install_plugin($p);
 791                                 }
 792                         }
 793                 }
 794
 795
 796                 load_hooks();
 797
 798                 return;
 799         }
 800 }
 801
 802
 803 function get_guid($size=16) {
 804         $exists = true; // assume by default that we don't have a unique guid
 805         do {
 806                 $s = random_string($size);
 807                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 808                 if(! count($r))
 809                         $exists = false;
 810         } while($exists);
 811         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 812         return $s;
 813 }
 814
 815
 816 // wrapper for adding a login box. If $register == true provide a registration
 817 // link. This will most always depend on the value of $a->config['register_policy'].
 818 // returns the complete html for inserting into the page
 819
 820 if(! function_exists('login')) {
 821         function login($register = false, $hiddens=false) {
 822                 $a = get_app();
 823                 $o = "";
 824                 $reg = false;
 825                 if ($register) {
 826                         $reg = array(
 827                                 'title' => t('Create a New Account'),
 828                                 'desc' => t('Register')
 829                         );
 830                 }
 831
 832                 $noid = get_config('system','no_openid');
 833
 834                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 835
 836                 if(local_user()) {
 837                         $tpl = get_markup_template("logout.tpl");
 838                 }
 839                 else {
 840                         $tpl = get_markup_template("login.tpl");
 841                         $_SESSION['return_url'] = $a->query_string;
 842                 }
 843
 844
 845                 $o .= replace_macros($tpl,array(
 846
 847                         '$dest_url'     => $dest_url,
 848                         '$logout'       => t('Logout'),
 849                         '$login'        => t('Login'),
 850
 851                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 852                         '$lpassword'    => array('password', t('Password: '), '', ''),
 853
 854                         '$openid'               => !$noid,
 855                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 856
 857                         '$hiddens'      => $hiddens,
 858
 859                         '$register'     => $reg,
 860
 861                         '$lostpass'     => t('Forgot your password?'),
 862                         '$lostlink'     => t('Password Reset'),
 863                 ));
 864
 865                 call_hooks('login_hook',$o);
 866
 867                 return $o;
 868         }
 869 }
 870
 871 // Used to end the current process, after saving session state.
 872
 873 if(! function_exists('killme')) {
 874         function killme() {
 875                 session_write_close();
 876                 exit;
 877         }
 878 }
 879
 880 // redirect to another URL and terminate this process.
 881
 882 if(! function_exists('goaway')) {
 883         function goaway($s) {
 884                 header("Location: $s");
 885                 killme();
 886         }
 887 }
 888
 889
 890 // Returns the uid of locally logged in user or false.
 891
 892 if(! function_exists('local_user')) {
 893         function local_user() {
 894                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 895                         return intval($_SESSION['uid']);
 896                 return false;
 897         }
 898 }
 899
 900 // Returns contact id of authenticated site visitor or false
 901
 902 if(! function_exists('remote_user')) {
 903         function remote_user() {
 904                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 905                         return intval($_SESSION['visitor_id']);
 906                 return false;
 907         }
 908 }
 909
 910 // contents of $s are displayed prominently on the page the next time
 911 // a page is loaded. Usually used for errors or alerts.
 912
 913 if(! function_exists('notice')) {
 914         function notice($s) {
 915                 $a = get_app();
 916                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 917                 if($a->interactive)
 918                         $_SESSION['sysmsg'][] = $s;
 919         }
 920 }
 921 if(! function_exists('info')) {
 922         function info($s) {
 923                 $a = get_app();
 924                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 925                 if($a->interactive)
 926                         $_SESSION['sysmsg_info'][] = $s;
 927         }
 928 }
 929
 930
 931 // wrapper around config to limit the text length of an incoming message
 932
 933 if(! function_exists('get_max_import_size')) {
 934         function get_max_import_size() {
 935                 global $a;
 936                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 937         }
 938 }
 939
 940
 941
 942 /**
 943  *
 944  * Function : profile_load
 945  * @parameter App    $a
 946  * @parameter string $nickname
 947  * @parameter int    $profile
 948  *
 949  * Summary: Loads a profile into the page sidebar.
 950  * The function requires a writeable copy of the main App structure, and the nickname
 951  * of a registered local account.
 952  *
 953  * If the viewer is an authenticated remote viewer, the profile displayed is the
 954  * one that has been configured for his/her viewing in the Contact manager.
 955  * Passing a non-zero profile ID can also allow a preview of a selected profile
 956  * by the owner.
 957  *
 958  * Profile information is placed in the App structure for later retrieval.
 959  * Honours the owner's chosen theme for display.
 960  *
 961  */
 962
 963 if(! function_exists('profile_load')) {
 964         function profile_load(&$a, $nickname, $profile = 0) {
 965                 if(remote_user()) {
 966                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 967                                         intval($_SESSION['visitor_id']));
 968                         if(count($r))
 969                                 $profile = $r[0]['profile-id'];
 970                 }
 971
 972                 $r = null;
 973
 974                 if($profile) {
 975                         $profile_int = intval($profile);
 976                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 977                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 978                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 979                                         dbesc($nickname),
 980                                         intval($profile_int)
 981                         );
 982                 }
 983                 if((! $r) && (!  count($r))) {
 984                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 985                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 986                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 987                                         dbesc($nickname)
 988                         );
 989                 }
 990
 991                 if(($r === false) || (! count($r))) {
 992                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 993                         notice( t('Requested profile is not available.') . EOL );
 994                         $a->error = 404;
 995                         return;
 996                 }
 997
 998                 // fetch user tags if this isn't the default profile
 999
1000                 if(! $r[0]['is-default']) {
1001                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1002                                         intval($profile_uid)
1003                         );
1004                         if($x && count($x))
1005                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1006                 }
1007
1008                 $a->profile = $r[0];
1009
1010
1011                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1012                 $_SESSION['theme'] = $a->profile['theme'];
1013
1014                 /**
1015                  * load/reload current theme info
1016                  */
1017
1018                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1019                 if (file_exists($theme_info_file)){
1020                         require_once($theme_info_file);
1021                 }
1022
1023                 if(! (x($a->page,'aside')))
1024                         $a->page['aside'] = '';
1025
1026                 if(local_user() && local_user() == $a->profile['uid']) {
1027                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1028                                 '$editprofile' => t('Edit profile'),
1029                                 '$profid' => $a->profile['id']
1030                         ));
1031                 }
1032
1033                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1034
1035                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1036
1037                 /*if(! $block)
1038                  $a->page['aside'] .= contact_block();*/
1039
1040                 return;
1041         }
1042 }
1043
1044
1045 /**
1046  *
1047  * Function: profile_sidebar
1048  *
1049  * Formats a profile for display in the sidebar.
1050  * It is very difficult to templatise the HTML completely
1051  * because of all the conditional logic.
1052  *
1053  * @parameter: array $profile
1054  *
1055  * Returns HTML string stuitable for sidebar inclusion
1056  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1057  *
1058  */
1059
1060
1061 if(! function_exists('profile_sidebar')) {
1062         function profile_sidebar($profile, $block = 0) {
1063
1064                 $a = get_app();
1065
1066                 $o = '';
1067                 $location = false;
1068                 $address = false;
1069                 $pdesc = true;
1070
1071                 if((! is_array($profile)) && (! count($profile)))
1072                         return $o;
1073
1074                 $profile['picdate'] = urlencode($profile['picdate']);
1075
1076                 call_hooks('profile_sidebar_enter', $profile);
1077
1078
1079                 // don't show connect link to yourself
1080                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1081
1082                 // don't show connect link to authenticated visitors either
1083
1084                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1085                         $connect = False;
1086
1087                 if(get_my_url() && $profile['unkmail'])
1088                         $wallmessage = t('Message');
1089                 else
1090                         $wallmessage = false;
1091
1092
1093
1094                 // show edit profile to yourself
1095                 if ($profile['uid'] == local_user()) {
1096                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1097
1098                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1099                                         local_user());
1100
1101                         $profile['menu'] = array(
1102                                 'chg_photo' => t('Change profile photo'),
1103                                 'cr_new' => t('Create New Profile'),
1104                                 'entries' => array(),
1105                         );
1106
1107                         if(count($r)) {
1108
1109                                 foreach($r as $rr) {
1110                                         $profile['menu']['entries'][] = array(
1111                                                 'photo' => $rr['thumb'],
1112                                                 'id' => $rr['id'],
1113                                                 'alt' => t('Profile Image'),
1114                                                 'profile_name' => $rr['profile-name'],
1115                                                 'isdefault' => $rr['is-default'],
1116                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1117                                                 'edit_visibility' => t('Edit visibility'),
1118
1119                                         );
1120                                 }
1121
1122
1123                         }
1124
1125
1126                 }
1127
1128
1129
1130
1131                 if((x($profile,'address') == 1)
1132                                 || (x($profile,'locality') == 1)
1133                                 || (x($profile,'region') == 1)
1134                                 || (x($profile,'postal-code') == 1)
1135                                 || (x($profile,'country-name') == 1))
1136                         $location = t('Location:');
1137
1138                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1139
1140
1141                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1142
1143                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1144
1145                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1146                         $location = $pdesc = $gender = $marital = $homepage = False;
1147                 }
1148
1149                 $firstname = ((strpos($profile['name'],' '))
1150                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1151                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1152
1153                 $diaspora = array(
1154                         'podloc' => $a->get_baseurl(),
1155                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1156                         'nickname' => $profile['nickname'],
1157                         'fullname' => $profile['name'],
1158                         'firstname' => $firstname,
1159                         'lastname' => $lastname,
1160                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1161                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1162                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1163                 );
1164
1165                 if (!$block){
1166                         $contact_block = contact_block();
1167                 }
1168
1169
1170                 $tpl = get_markup_template('profile_vcard.tpl');
1171
1172                 $o .= replace_macros($tpl, array(
1173                         '$profile' => $profile,
1174                         '$connect'  => $connect,
1175                         '$wallmessage' => $wallmessage,
1176                         '$location' => template_escape($location),
1177                         '$gender'   => $gender,
1178                         '$pdesc'        => $pdesc,
1179                         '$marital'  => $marital,
1180                         '$homepage' => $homepage,
1181                         '$diaspora' => $diaspora,
1182                         '$contact_block' => $contact_block,
1183                 ));
1184
1185
1186                 $arr = array('profile' => &$profile, 'entry' => &$o);
1187
1188                 call_hooks('profile_sidebar', $arr);
1189
1190                 return $o;
1191         }
1192 }
1193
1194
1195 if(! function_exists('get_birthdays')) {
1196         function get_birthdays() {
1197
1198                 $a = get_app();
1199                 $o = '';
1200
1201                 if(! local_user())
1202                         return $o;
1203
1204                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1205                 $bd_short = t('F d');
1206
1207                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1208                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1209                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1210                                 ORDER BY `start` ASC ",
1211                                 intval(local_user()),
1212                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1213                                 dbesc(datetime_convert('UTC','UTC','now'))
1214                 );
1215
1216                 if($r && count($r)) {
1217                         $total = 0;
1218                         $now = strtotime('now');
1219                         $cids = array();
1220
1221                         $istoday = false;
1222                         foreach($r as $rr) {
1223                                 if(strlen($rr['name']))
1224                                         $total ++;
1225                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1226                                         $istoday = true;
1227                         }
1228                         $classtoday = $istoday ? ' birthday-today ' : '';
1229                         if($total) {
1230                                 foreach($r as &$rr) {
1231                                         if(! strlen($rr['name']))
1232                                                 continue;
1233
1234                                         // avoid duplicates
1235
1236                                         if(in_array($rr['cid'],$cids))
1237                                                 continue;
1238                                         $cids[] = $rr['cid'];
1239
1240                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1241                                         $sparkle = '';
1242                                         $url = $rr['url'];
1243                                         if($rr['network'] === NETWORK_DFRN) {
1244                                                 $sparkle = " sparkle";
1245                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1246                                         }
1247
1248                                         $rr['link'] = $url;
1249                                         $rr['title'] = $rr['name'];
1250                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1251                                         $rr['startime'] = Null;
1252                                         $rr['today'] = $today;
1253
1254                                 }
1255                         }
1256                 }
1257                 $tpl = get_markup_template("birthdays_reminder.tpl");
1258                 return replace_macros($tpl, array(
1259                         '$baseurl' => $a->get_baseurl(),
1260                         '$classtoday' => $classtoday,
1261                         '$count' => $total,
1262                         '$event_reminders' => t('Birthday Reminders'),
1263                         '$event_title' => t('Birthdays this week:'),
1264                         '$events' => $r,
1265                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1266                         '$rbr' => '}'
1267
1268                 ));
1269         }
1270 }
1271
1272
1273 if(! function_exists('get_events')) {
1274         function get_events() {
1275
1276                 require_once('include/bbcode.php');
1277
1278                 $a = get_app();
1279
1280                 if(! local_user())
1281                         return $o;
1282
1283                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1284                 $bd_short = t('F d');
1285
1286                 $r = q("SELECT `event`.* FROM `event`
1287                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1288                                 ORDER BY `start` ASC ",
1289                                 intval(local_user()),
1290                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1291                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1292                 );
1293
1294                 if($r && count($r)) {
1295                         $now = strtotime('now');
1296                         $istoday = false;
1297                         foreach($r as $rr) {
1298                                 if(strlen($rr['name']))
1299                                         $total ++;
1300
1301                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1302                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1303                                         $istoday = true;
1304                         }
1305                         $classtoday = (($istoday) ? 'event-today' : '');
1306
1307
1308                         foreach($r as &$rr) {
1309                                 if($rr['adjust'])
1310                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1311                                 else
1312                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1313                                 $md .= "/#link-".$rr['id'];
1314
1315                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1316                                 if(! $title)
1317                                         $title = t('[No description]');
1318
1319                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1320                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1321
1322                                 $rr['link'] = $md;
1323                                 $rr['title'] = $title;
1324                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1325                                 $rr['startime'] = $strt;
1326                                 $rr['today'] = $today;
1327                         }
1328                 }
1329
1330                 $tpl = get_markup_template("events_reminder.tpl");
1331                 return replace_macros($tpl, array(
1332                         '$baseurl' => $a->get_baseurl(),
1333                         '$classtoday' => $classtoday,
1334                         '$count' => count($r),
1335                         '$event_reminders' => t('Event Reminders'),
1336                         '$event_title' => t('Events this week:'),
1337                         '$events' => $r,
1338                 ));
1339         }
1340 }
1341
1342
1343 /**
1344  *
1345  * Wrap calls to proc_close(proc_open()) and call hook
1346  * so plugins can take part in process :)
1347  *
1348  * args:
1349  * $cmd program to run
1350  *  next args are passed as $cmd command line
1351  *
1352  * e.g.: proc_run("ls","-la","/tmp");
1353  *
1354  * $cmd and string args are surrounded with ""
1355  */
1356
1357 if(! function_exists('proc_run')) {
1358         function proc_run($cmd){
1359
1360                 $a = get_app();
1361
1362                 $args = func_get_args();
1363
1364                 $newargs = array();
1365                 if(! count($args))
1366                         return;
1367
1368                 // expand any arrays
1369
1370                 foreach($args as $arg) {
1371                         if(is_array($arg)) {
1372                                 foreach($arg as $n) {
1373                                         $newargs[] = $n;
1374                                 }
1375                         }
1376                         else
1377                                 $newargs[] = $arg;
1378                 }
1379
1380                 $args = $newargs;
1381
1382                 $arr = array('args' => $args, 'run_cmd' => true);
1383
1384                 call_hooks("proc_run", $arr);
1385                 if(! $arr['run_cmd'])
1386                         return;
1387
1388                 if(count($args) && $args[0] === 'php')
1389                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1390                 for($x = 0; $x < count($args); $x ++)
1391                         $args[$x] = escapeshellarg($args[$x]);
1392
1393                 $cmdline = implode($args," ");
1394                 proc_close(proc_open($cmdline." &",array(),$foo));
1395         }
1396 }
1397
1398 if(! function_exists('current_theme')) {
1399         function current_theme(){
1400                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1401
1402                 $a = get_app();
1403
1404                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1405                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1406
1407                 if($theme_name &&
1408                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1409                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1410                         return($theme_name);
1411
1412                 foreach($app_base_themes as $t) {
1413                         if(file_exists('view/theme/' . $t . '/style.css')||
1414                                         file_exists('view/theme/' . $t . '/style.php'))
1415                                 return($t);
1416                 }
1417
1418                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1419                 if(count($fallback))
1420                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1421
1422         }
1423 }
1424
1425 /*
1426  * Return full URL to theme which is currently in effect.
1427 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1428 */
1429 if(! function_exists('current_theme_url')) {
1430         function current_theme_url() {
1431                 global $a;
1432                 $t = current_theme();
1433                 if (file_exists('view/theme/' . $t . '/style.php'))
1434                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1435                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1436         }
1437 }
1438
1439 if(! function_exists('feed_birthday')) {
1440         function feed_birthday($uid,$tz) {
1441
1442                 /**
1443                  *
1444                  * Determine the next birthday, but only if the birthday is published
1445                  * in the default profile. We _could_ also look for a private profile that the
1446                  * recipient can see, but somebody could get mad at us if they start getting
1447                  * public birthday greetings when they haven't made this info public.
1448                  *
1449                  * Assuming we are able to publish this info, we are then going to convert
1450                  * the start time from the owner's timezone to UTC.
1451                  *
1452                  * This will potentially solve the problem found with some social networks
1453                  * where birthdays are converted to the viewer's timezone and salutations from
1454                  * elsewhere in the world show up on the wrong day. We will convert it to the
1455                  * viewer's timezone also, but first we are going to convert it from the birthday
1456                  * person's timezone to GMT - so the viewer may find the birthday starting at
1457                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1458                  *
1459                  */
1460
1461
1462                 $birthday = '';
1463
1464                 if(! strlen($tz))
1465                         $tz = 'UTC';
1466
1467                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1468                                 intval($uid)
1469                 );
1470
1471                 if($p && count($p)) {
1472                         $tmp_dob = substr($p[0]['dob'],5);
1473                         if(intval($tmp_dob)) {
1474                                 $y = datetime_convert($tz,$tz,'now','Y');
1475                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1476                                 $t_dob = strtotime($bd);
1477                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1478                                 if($t_dob < $now)
1479                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1480                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1481                         }
1482                 }
1483
1484                 return $birthday;
1485         }
1486 }
1487
1488 if(! function_exists('is_site_admin')) {
1489         function is_site_admin() {
1490                 $a = get_app();
1491                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1492                         return true;
1493                 return false;
1494         }
1495 }
1496
1497
1498 if(! function_exists('load_contact_links')) {
1499         function load_contact_links($uid) {
1500
1501                 $a = get_app();
1502
1503                 $ret = array();
1504
1505                 if(! $uid || x($a->contacts,'empty'))
1506                         return;
1507
1508                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1509                                 intval($uid)
1510                 );
1511                 if(count($r)) {
1512                         foreach($r as $rr){
1513                                 $url = normalise_link($rr['url']);
1514                                 $ret[$url] = $rr;
1515                         }
1516                 }
1517                 else
1518                         $ret['empty'] = true;
1519                 $a->contacts = $ret;
1520                 return;
1521         }
1522 }
1523
1524 if(! function_exists('profile_tabs')){
1525         function profile_tabs($a, $is_owner=False, $nickname=Null){
1526                 //echo "<pre>"; var_dump($a->user); killme();
1527
1528                 if (is_null($nickname))
1529                         $nickname  = $a->user['nickname'];
1530
1531                 if(x($_GET,'tab'))
1532                         $tab = notags(trim($_GET['tab']));
1533
1534                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1535
1536                 $tabs = array(
1537                         array(
1538                                 'label'=>t('Status'),
1539                                 'url' => $url,
1540                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1541                                 'title' => t('Status Messages and Posts'),
1542                         ),
1543                         array(
1544                                 'label' => t('Profile'),
1545                                 'url'   => $url.'/?tab=profile',
1546                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1547                                 'title' => t('Profile Details'),
1548                         ),
1549                         array(
1550                                 'label' => t('Photos'),
1551                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1552                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1553                                 'title' => t('Photo Albums'),
1554                         ),
1555                 );
1556
1557                 if ($is_owner){
1558                         $tabs[] = array(
1559                                 'label' => t('Events'),
1560                                 'url'   => $a->get_baseurl() . '/events',
1561                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1562                                 'title' => t('Events and Calendar'),
1563                         );
1564                         $tabs[] = array(
1565                                 'label' => t('Personal Notes'),
1566                                 'url'   => $a->get_baseurl() . '/notes',
1567                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1568                                 'title' => t('Only You Can See This'),
1569                         );
1570                 }
1571
1572
1573                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1574                 call_hooks('profile_tabs', $arr);
1575
1576                 $tpl = get_markup_template('common_tabs.tpl');
1577
1578                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1579         }
1580 }
1581
1582 function get_my_url() {
1583         if(x($_SESSION,'my_url'))
1584                 return $_SESSION['my_url'];
1585         return false;
1586 }
1587
1588 function zrl_init(&$a) {
1589         $tmp_str = get_my_url();
1590         if(validate_url($tmp_str)) {
1591                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1592                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1593                 call_hooks('zrl_init',$arr);
1594         }
1595 }
1596
1597 function zrl($s,$force = false) {
1598         if(! strlen($s))
1599                 return $s;
1600         if((! strpos($s,'/profile/')) && (! $force))
1601                 return $s;
1602         if($force && substr($s,-1,1) !== '/')
1603                 $s = $s . '/';
1604         $achar = strpos($s,'?') ? '&' : '?';
1605         $mine = get_my_url();
1606         if($mine and ! link_compare($mine,$s))
1607                 return $s . $achar . 'zrl=' . urlencode($mine);
1608         return $s;
1609 }
1610
1611 /**
1612 * returns querystring as string from a mapped array
1613 *
1614 * @param params Array
1615 * @return string
1616 */
1617 function build_querystring($params, $name=null) {
1618     $ret = "";
1619     foreach($params as $key=>$val) {
1620         if(is_array($val)) {
1621             if($name==null) {
1622                 $ret .= build_querystring($val, $key);
1623             } else {
1624                 $ret .= build_querystring($val, $name."[$key]");
1625             }
1626         } else {
1627             $val = urlencode($val);
1628             if($name!=null) {
1629                 $ret.=$name."[$key]"."=$val&";
1630             } else {
1631                 $ret.= "$key=$val&";
1632             }
1633         }
1634     }
1635     return $ret;
1636 }