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',      '3.0.1393' );
  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  * An alternate way of limiting picture upload sizes. Specify the maximum pixel
  40  * length that pictures are allowed to be (for non-square pictures, it will apply
  41  * to the longest side). Pictures longer than this length will be resized to be
  42  * this length (on the longest side, the other side will be scaled appropriately).
  43  * Modify this value using
  44  *
  45  *    $a->config['system']['max_image_length'] = n;
  46  *
  47  * in .htconfig.php
  48  *
  49  * If you don't want to set a maximum length, set to -1. The default value is
  50  * defined by 'MAX_IMAGE_LENGTH' below.
  51  *
  52  */
  53 define ( 'MAX_IMAGE_LENGTH',        -1  );
  54
  55
  56 /**
  57  * Not yet used
  58  */
  59
  60 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  61
  62 /**
  63  * SSL redirection policies
  64  */
  65
  66 define ( 'SSL_POLICY_NONE',         0 );
  67 define ( 'SSL_POLICY_FULL',         1 );
  68 define ( 'SSL_POLICY_SELFSIGN',     2 );
  69
  70
  71 /**
  72  * log levels
  73  */
  74
  75 define ( 'LOGGER_NORMAL',          0 );
  76 define ( 'LOGGER_TRACE',           1 );
  77 define ( 'LOGGER_DEBUG',           2 );
  78 define ( 'LOGGER_DATA',            3 );
  79 define ( 'LOGGER_ALL',             4 );
  80
  81 /**
  82  * registration policies
  83  */
  84
  85 define ( 'REGISTER_CLOSED',        0 );
  86 define ( 'REGISTER_APPROVE',       1 );
  87 define ( 'REGISTER_OPEN',          2 );
  88
  89 /**
  90  * relationship types
  91  */
  92
  93 define ( 'CONTACT_IS_FOLLOWER', 1);
  94 define ( 'CONTACT_IS_SHARING',  2);
  95 define ( 'CONTACT_IS_FRIEND',   3);
  96
  97
  98 /**
  99  * DB update return values
 100  */
 101
 102 define ( 'UPDATE_SUCCESS', 0);
 103 define ( 'UPDATE_FAILED',  1);
 104
 105
 106 /**
 107  *
 108  * page/profile types
 109  *
 110  * PAGE_NORMAL is a typical personal profile account
 111  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
 112  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
 113  *      write access to wall and comments (no email and not included in page owner's ACL lists)
 114  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
 115  *
 116  */
 117
 118 define ( 'PAGE_NORMAL',            0 );
 119 define ( 'PAGE_SOAPBOX',           1 );
 120 define ( 'PAGE_COMMUNITY',         2 );
 121 define ( 'PAGE_FREELOVE',          3 );
 122 define ( 'PAGE_BLOG',              4 );
 123 define ( 'PAGE_PRVGROUP',          5 );
 124
 125 /**
 126  * Network and protocol family types
 127  */
 128
 129 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 130 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 131 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 132 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 133 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 134 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 135 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 136 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 137 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 138 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 139 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 140 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 141
 142 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 143
 144 /**
 145  * These numbers are used in stored permissions
 146  * and existing allocations MUST NEVER BE CHANGED
 147  * OR RE-ASSIGNED! You may only add to them.
 148  */
 149
 150 $netgroup_ids = array(
 151         NETWORK_DFRN     => (-1),
 152         NETWORK_ZOT      => (-2),
 153         NETWORK_OSTATUS  => (-3),
 154         NETWORK_FEED     => (-4),
 155         NETWORK_DIASPORA => (-5),
 156         NETWORK_MAIL     => (-6),
 157         NETWORK_MAIL2    => (-7),
 158         NETWORK_FACEBOOK => (-8),
 159         NETWORK_LINKEDIN => (-9),
 160         NETWORK_XMPP     => (-10),
 161         NETWORK_MYSPACE  => (-11),
 162         NETWORK_GPLUS    => (-12),
 163
 164         NETWORK_PHANTOM  => (-127),
 165 );
 166
 167
 168 /**
 169  * Maximum number of "people who like (or don't like) this"  that we will list by name
 170  */
 171
 172 define ( 'MAX_LIKERS',    75);
 173
 174 /**
 175  * Communication timeout
 176  */
 177
 178 define ( 'ZCURL_TIMEOUT' , (-1));
 179
 180
 181 /**
 182  * email notification options
 183  */
 184
 185 define ( 'NOTIFY_INTRO',    0x0001 );
 186 define ( 'NOTIFY_CONFIRM',  0x0002 );
 187 define ( 'NOTIFY_WALL',     0x0004 );
 188 define ( 'NOTIFY_COMMENT',  0x0008 );
 189 define ( 'NOTIFY_MAIL',     0x0010 );
 190 define ( 'NOTIFY_SUGGEST',  0x0020 );
 191 define ( 'NOTIFY_PROFILE',  0x0040 );
 192 define ( 'NOTIFY_TAGSELF',  0x0080 );
 193 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 194
 195 define ( 'NOTIFY_SYSTEM',   0x8000 );
 196
 197
 198 /**
 199  * various namespaces we may need to parse
 200  */
 201
 202 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 203 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 204 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 205 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 206 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 207 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 208 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 209 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 210 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 211 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 212 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 213 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 214 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 215 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 216 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 217 /**
 218  * activity stream defines
 219  */
 220
 221 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 222 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 223 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 224
 225 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 226 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 227 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 228 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 229 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 230 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 231
 232 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 233 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 234 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 235 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 236
 237 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 238 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 239 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 240 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 241 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 242 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 243 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 244 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 245 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 246 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 247
 248 /**
 249  * item weight for query ordering
 250  */
 251
 252 define ( 'GRAVITY_PARENT',       0);
 253 define ( 'GRAVITY_LIKE',         3);
 254 define ( 'GRAVITY_COMMENT',      6);
 255
 256 /**
 257  *
 258  * Reverse the effect of magic_quotes_gpc if it is enabled.
 259  * Please disable magic_quotes_gpc so we don't have to do this.
 260  * See http://php.net/manual/en/security.magicquotes.disabling.php
 261  *
 262  */
 263
 264 function startup() {
 265         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 266         set_time_limit(0);
 267
 268         // This has to be quite large to deal with embedded private photos
 269         ini_set('pcre.backtrack_limit', 500000);
 270
 271
 272         if (get_magic_quotes_gpc()) {
 273                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 274                 while (list($key, $val) = each($process)) {
 275                         foreach ($val as $k => $v) {
 276                                 unset($process[$key][$k]);
 277                                 if (is_array($v)) {
 278                                         $process[$key][stripslashes($k)] = $v;
 279                                         $process[] = &$process[$key][stripslashes($k)];
 280                                 } else {
 281                                         $process[$key][stripslashes($k)] = stripslashes($v);
 282                                 }
 283                         }
 284                 }
 285                 unset($process);
 286         }
 287
 288 }
 289
 290 /**
 291  *
 292  * class: App
 293  *
 294  * Our main application structure for the life of this page
 295  * Primarily deals with the URL that got us here
 296  * and tries to make some sense of it, and
 297  * stores our page contents and config storage
 298  * and anything else that might need to be passed around
 299  * before we spit the page out.
 300  *
 301  */
 302
 303 if(! class_exists('App')) {
 304         class App {
 305
 306                 public  $module_loaded = false;
 307                 public  $query_string;
 308                 public  $config;
 309                 public  $page;
 310                 public  $profile;
 311                 public  $user;
 312                 public  $cid;
 313                 public  $contact;
 314                 public  $contacts;
 315                 public  $page_contact;
 316                 public  $content;
 317                 public  $data = array();
 318                 public  $error = false;
 319                 public  $cmd;
 320                 public  $argv;
 321                 public  $argc;
 322                 public  $module;
 323                 public  $pager;
 324                 public  $strings;
 325                 public  $path;
 326                 public  $hooks;
 327                 public  $timezone;
 328                 public  $interactive = true;
 329                 public  $plugins;
 330                 public  $apps = array();
 331                 public  $identities;
 332
 333                 public $nav_sel;
 334
 335                 public $category;
 336
 337                 private $scheme;
 338                 private $hostname;
 339                 private $baseurl;
 340                 private $db;
 341
 342                 private $curl_code;
 343                 private $curl_headers;
 344
 345                 private $cached_profile_image;
 346                 private $cached_profile_picdate;
 347
 348                 function __construct() {
 349
 350                         global $default_timezone;
 351
 352                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 353
 354                         date_default_timezone_set($this->timezone);
 355
 356                         $this->config = array();
 357                         $this->page = array();
 358                         $this->pager= array();
 359
 360                         $this->query_string = '';
 361
 362                         startup();
 363
 364                         $this->scheme = 'http';
 365                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 366                                 $this->scheme = 'https';
 367                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 368                         $this->scheme = 'https';
 369
 370
 371                         if(x($_SERVER,'SERVER_NAME')) {
 372                                 $this->hostname = $_SERVER['SERVER_NAME'];
 373                                 if(stristr($this->hostname,'xn--')) {
 374                                         // PHP or webserver may have converted idn to punycode, so
 375                                         // convert punycode back to utf-8
 376                                         require_once('library/simplepie/idn/idna_convert.class.php');
 377                                         $x = new idna_convert();
 378                                         $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
 379                                 }
 380
 381                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
 382                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
 383                                 /**
 384                                  * Figure out if we are running at the top of a domain
 385                                  * or in a sub-directory and adjust accordingly
 386                                  */
 387
 388                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
 389                                 if(isset($path) && strlen($path) && ($path != $this->path))
 390                                         $this->path = $path;
 391                         }
 392
 393                         set_include_path(
 394                                         "include/$this->hostname" . PATH_SEPARATOR
 395                                         . 'include' . PATH_SEPARATOR
 396                                         . 'library' . PATH_SEPARATOR
 397                                         . 'library/phpsec' . PATH_SEPARATOR
 398                                         . '.' );
 399
 400                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
 401                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
 402                                 // removing trailing / - maybe a nginx problem
 403                                 if (substr($this->query_string, 0, 1) == "/")
 404                                         $this->query_string = substr($this->query_string, 1);
 405                         }
 406                         if(x($_GET,'q'))
 407                                 $this->cmd = trim($_GET['q'],'/\\');
 408
 409                         // unix style "homedir"
 410
 411                         if(substr($this->cmd,0,1) === '~')
 412                                 $this->cmd = 'profile/' . substr($this->cmd,1);
 413
 414                         // Diaspora style profile url
 415
 416                         if(substr($this->cmd,0,2) === 'u/')
 417                                 $this->cmd = 'profile/' . substr($this->cmd,2);
 418
 419                         /**
 420                          *
 421                          * Break the URL path into C style argc/argv style arguments for our
 422                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
 423                          * will be 3 (integer) and $this->argv will contain:
 424                          *   [0] => 'module'
 425                          *   [1] => 'arg1'
 426                          *   [2] => 'arg2'
 427                          *
 428                          *
 429                          * There will always be one argument. If provided a naked domain
 430                          * URL, $this->argv[0] is set to "home".
 431                          *
 432                          */
 433
 434                         $this->argv = explode('/',$this->cmd);
 435                         $this->argc = count($this->argv);
 436                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
 437                                 $this->module = str_replace(".", "_", $this->argv[0]);
 438                         }
 439                         else {
 440                                 $this->argc = 1;
 441                                 $this->argv = array('home');
 442                                 $this->module = 'home';
 443                         }
 444
 445                         /**
 446                          * Special handling for the webfinger/lrdd host XRD file
 447                          */
 448
 449                         if($this->cmd === '.well-known/host-meta') {
 450                                 $this->argc = 1;
 451                                 $this->argv = array('hostxrd');
 452                                 $this->module = 'hostxrd';
 453                         }
 454
 455                         /**
 456                          * See if there is any page number information, and initialise
 457                          * pagination
 458                          */
 459
 460                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
 461                         $this->pager['itemspage'] = 50;
 462                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 463                         if($this->pager['start'] < 0)
 464                                 $this->pager['start'] = 0;
 465                         $this->pager['total'] = 0;
 466                 }
 467
 468                 function get_baseurl($ssl = false) {
 469
 470                         $scheme = $this->scheme;
 471
 472                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 473                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 474                                         $scheme = 'https';
 475
 476                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 477                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 478
 479                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 480                                         if($ssl)
 481                                                 $scheme = 'https';
 482                                         else
 483                                                 $scheme = 'http';
 484                                 }
 485                         }
 486
 487                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 488                         return $this->baseurl;
 489                 }
 490
 491                 function set_baseurl($url) {
 492                         $parsed = @parse_url($url);
 493
 494                         $this->baseurl = $url;
 495
 496                         if($parsed) {
 497                                 $this->scheme = $parsed['scheme'];
 498
 499                                 $this->hostname = $parsed['host'];
 500                                 if(x($parsed,'port'))
 501                                         $this->hostname .= ':' . $parsed['port'];
 502                                 if(x($parsed,'path'))
 503                                         $this->path = trim($parsed['path'],'\\/');
 504                         }
 505
 506                 }
 507
 508                 function get_hostname() {
 509                         return $this->hostname;
 510                 }
 511
 512                 function set_hostname($h) {
 513                         $this->hostname = $h;
 514                 }
 515
 516                 function set_path($p) {
 517                         $this->path = trim(trim($p),'/');
 518                 }
 519
 520                 function get_path() {
 521                         return $this->path;
 522                 }
 523
 524                 function set_pager_total($n) {
 525                         $this->pager['total'] = intval($n);
 526                 }
 527
 528                 function set_pager_itemspage($n) {
 529                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 530                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 531
 532                 }
 533
 534                 function init_pagehead() {
 535                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 536                         if($interval < 10000)
 537                                 $interval = 40000;
 538
 539                         $this->page['title'] = $this->config['sitename'];
 540                         $tpl = file_get_contents('view/head.tpl');
 541                         $this->page['htmlhead'] = replace_macros($tpl,array(
 542                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 543                                 '$local_user' => local_user(),
 544                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 545                                 '$delitem' => t('Delete this item?'),
 546                                 '$comment' => t('Comment'),
 547                                 '$showmore' => t('show more'),
 548                                 '$showfewer' => t('show fewer'),
 549                                 '$update_interval' => $interval
 550                         ));
 551                 }
 552
 553                 function set_curl_code($code) {
 554                         $this->curl_code = $code;
 555                 }
 556
 557                 function get_curl_code() {
 558                         return $this->curl_code;
 559                 }
 560
 561                 function set_curl_headers($headers) {
 562                         $this->curl_headers = $headers;
 563                 }
 564
 565                 function get_curl_headers() {
 566                         return $this->curl_headers;
 567                 }
 568
 569                 function get_cached_avatar_image($avatar_image){
 570                         if($this->cached_profile_image[$avatar_image])
 571                                 return $this->cached_profile_image[$avatar_image];
 572
 573                         $path_parts = explode("/",$avatar_image);
 574                         $common_filename = $path_parts[count($path_parts)-1];
 575
 576                         if($this->cached_profile_picdate[$common_filename]){
 577                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 578                         } else {
 579                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 580                                         $common_filename);
 581                                 if(! count($r)){
 582                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 583                                 } else {
 584                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 585                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 586                                 }
 587                         }
 588                         return $this->cached_profile_image[$avatar_image];
 589                 }
 590
 591
 592         }
 593 }
 594
 595 // retrieve the App structure
 596 // useful in functions which require it but don't get it passed to them
 597
 598 if(! function_exists('get_app')) {
 599         function get_app() {
 600                 global $a;
 601                 return $a;
 602         }
 603 };
 604
 605
 606 // Multi-purpose function to check variable state.
 607 // Usage: x($var) or $x($array,'key')
 608 // returns false if variable/key is not set
 609 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 610 // e.g. x('') or x(0) returns 0;
 611
 612 if(! function_exists('x')) {
 613         function x($s,$k = NULL) {
 614                 if($k != NULL) {
 615                         if((is_array($s)) && (array_key_exists($k,$s))) {
 616                                 if($s[$k])
 617                                         return (int) 1;
 618                                 return (int) 0;
 619                 }
 620                         return false;
 621                 }
 622                 else {
 623                         if(isset($s)) {
 624                                 if($s) {
 625                                         return (int) 1;
 626                                 }
 627                                 return (int) 0;
 628                         }
 629                         return false;
 630                 }
 631         }
 632 }
 633
 634 // called from db initialisation if db is dead.
 635
 636 if(! function_exists('system_unavailable')) {
 637         function system_unavailable() {
 638                 include('system_unavailable.php');
 639                 system_down();
 640                 killme();
 641         }
 642 }
 643
 644
 645
 646 function clean_urls() {
 647         global $a;
 648         //      if($a->config['system']['clean_urls'])
 649         return true;
 650         //      return false;
 651 }
 652
 653 function z_path() {
 654         global $a;
 655         $base = $a->get_baseurl();
 656         if(! clean_urls())
 657                 $base .= '/?q=';
 658         return $base;
 659 }
 660
 661 function z_root() {
 662         global $a;
 663         return $a->get_baseurl();
 664 }
 665
 666 function absurl($path) {
 667         if(strpos($path,'/') === 0)
 668                 return z_path() . $path;
 669         return $path;
 670 }
 671
 672 function is_ajax() {
 673         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 674 }
 675
 676
 677 // Primarily involved with database upgrade, but also sets the
 678 // base url for use in cmdline programs which don't have
 679 // $_SERVER variables, and synchronising the state of installed plugins.
 680
 681
 682 if(! function_exists('check_config')) {
 683         function check_config(&$a) {
 684
 685                 $build = get_config('system','build');
 686                 if(! x($build))
 687                         $build = set_config('system','build',DB_UPDATE_VERSION);
 688
 689                 $url = get_config('system','url');
 690
 691                 // if the url isn't set or the stored url is radically different
 692                 // than the currently visited url, store the current value accordingly.
 693                 // "Radically different" ignores common variations such as http vs https
 694                 // and www.example.com vs example.com.
 695
 696                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 697                         $url = set_config('system','url',$a->get_baseurl());
 698
 699                 if($build != DB_UPDATE_VERSION) {
 700                         $stored = intval($build);
 701                         $current = intval(DB_UPDATE_VERSION);
 702                         if(($stored < $current) && file_exists('update.php')) {
 703
 704                                 load_config('database');
 705
 706                                 // We're reporting a different version than what is currently installed.
 707                                 // Run any existing update scripts to bring the database up to current.
 708
 709                                 require_once('update.php');
 710
 711                                 // make sure that boot.php and update.php are the same release, we might be
 712                                 // updating right this very second and the correct version of the update.php
 713                                 // file may not be here yet. This can happen on a very busy site.
 714
 715                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 716
 717                                         for($x = $stored; $x < $current; $x ++) {
 718                                                 if(function_exists('update_' . $x)) {
 719
 720                                                         // There could be a lot of processes running or about to run.
 721                                                         // We want exactly one process to run the update command.
 722                                                         // So store the fact that we're taking responsibility
 723                                                         // after first checking to see if somebody else already has.
 724
 725                                                         // If the update fails or times-out completely you may need to
 726                                                         // delete the config entry to try again.
 727
 728                                                         if(get_config('database','update_' . $x))
 729                                                                 break;
 730                                                         set_config('database','update_' . $x, '1');
 731
 732                                                         // call the specific update
 733
 734                                                         $func = 'update_' . $x;
 735                                                         $retval = $func();
 736                                                         if($retval) {
 737                                                                 //send the administrator an e-mail
 738                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 739                                                                 $email_msg = replace_macros($email_tpl, array(
 740                                                                         '$sitename' => $a->config['sitename'],
 741                                                                         '$siteurl' =>  $a->get_baseurl(),
 742                                                                         '$update' => $x,
 743                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 744                                                                 ));
 745                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 746
 747                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 748                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 749                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 750                                                                         . 'Content-transfer-encoding: 8bit' );
 751                                                                 //try the logger
 752                                                                 logger('CRITICAL: Update Failed: '. $x);
 753                                                         }
 754                                                         else
 755                                                                 set_config('database','update_' . $x, 'success');
 756
 757                                                 }
 758                                         }
 759                                         set_config('system','build', DB_UPDATE_VERSION);
 760                                 }
 761                         }
 762                 }
 763
 764                 /**
 765                  *
 766                  * Synchronise plugins:
 767                  *
 768                  * $a->config['system']['addon'] contains a comma-separated list of names
 769                  * of plugins/addons which are used on this system.
 770                  * Go through the database list of already installed addons, and if we have
 771                  * an entry, but it isn't in the config list, call the uninstall procedure
 772                  * and mark it uninstalled in the database (for now we'll remove it).
 773                  * Then go through the config list and if we have a plugin that isn't installed,
 774                  * call the install procedure and add it to the database.
 775                  *
 776                  */
 777
 778                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 779                 if(count($r))
 780                         $installed = $r;
 781                 else
 782                         $installed = array();
 783
 784                 $plugins = get_config('system','addon');
 785                 $plugins_arr = array();
 786
 787                 if($plugins)
 788                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 789
 790                 $a->plugins = $plugins_arr;
 791
 792                 $installed_arr = array();
 793
 794                 if(count($installed)) {
 795                         foreach($installed as $i) {
 796                                 if(! in_array($i['name'],$plugins_arr)) {
 797                                         uninstall_plugin($i['name']);
 798                                 }
 799                                 else {
 800                                         $installed_arr[] = $i['name'];
 801                                 }
 802                         }
 803                 }
 804
 805                 if(count($plugins_arr)) {
 806                         foreach($plugins_arr as $p) {
 807                                 if(! in_array($p,$installed_arr)) {
 808                                         install_plugin($p);
 809                                 }
 810                         }
 811                 }
 812
 813
 814                 load_hooks();
 815
 816                 return;
 817         }
 818 }
 819
 820
 821 function get_guid($size=16) {
 822         $exists = true; // assume by default that we don't have a unique guid
 823         do {
 824                 $s = random_string($size);
 825                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 826                 if(! count($r))
 827                         $exists = false;
 828         } while($exists);
 829         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 830         return $s;
 831 }
 832
 833
 834 // wrapper for adding a login box. If $register == true provide a registration
 835 // link. This will most always depend on the value of $a->config['register_policy'].
 836 // returns the complete html for inserting into the page
 837
 838 if(! function_exists('login')) {
 839         function login($register = false, $hiddens=false) {
 840                 $a = get_app();
 841                 $o = "";
 842                 $reg = false;
 843                 if ($register) {
 844                         $reg = array(
 845                                 'title' => t('Create a New Account'),
 846                                 'desc' => t('Register')
 847                         );
 848                 }
 849
 850                 $noid = get_config('system','no_openid');
 851
 852                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 853
 854                 if(local_user()) {
 855                         $tpl = get_markup_template("logout.tpl");
 856                 }
 857                 else {
 858                         $tpl = get_markup_template("login.tpl");
 859                         $_SESSION['return_url'] = $a->query_string;
 860                 }
 861
 862
 863                 $o .= replace_macros($tpl,array(
 864
 865                         '$dest_url'     => $dest_url,
 866                         '$logout'       => t('Logout'),
 867                         '$login'        => t('Login'),
 868
 869                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 870                         '$lpassword'    => array('password', t('Password: '), '', ''),
 871
 872                         '$openid'               => !$noid,
 873                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 874
 875                         '$hiddens'      => $hiddens,
 876
 877                         '$register'     => $reg,
 878
 879                         '$lostpass'     => t('Forgot your password?'),
 880                         '$lostlink'     => t('Password Reset'),
 881                 ));
 882
 883                 call_hooks('login_hook',$o);
 884
 885                 return $o;
 886         }
 887 }
 888
 889 // Used to end the current process, after saving session state.
 890
 891 if(! function_exists('killme')) {
 892         function killme() {
 893                 session_write_close();
 894                 exit;
 895         }
 896 }
 897
 898 // redirect to another URL and terminate this process.
 899
 900 if(! function_exists('goaway')) {
 901         function goaway($s) {
 902                 header("Location: $s");
 903                 killme();
 904         }
 905 }
 906
 907
 908 // Returns the uid of locally logged in user or false.
 909
 910 if(! function_exists('local_user')) {
 911         function local_user() {
 912                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 913                         return intval($_SESSION['uid']);
 914                 return false;
 915         }
 916 }
 917
 918 // Returns contact id of authenticated site visitor or false
 919
 920 if(! function_exists('remote_user')) {
 921         function remote_user() {
 922                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 923                         return intval($_SESSION['visitor_id']);
 924                 return false;
 925         }
 926 }
 927
 928 // contents of $s are displayed prominently on the page the next time
 929 // a page is loaded. Usually used for errors or alerts.
 930
 931 if(! function_exists('notice')) {
 932         function notice($s) {
 933                 $a = get_app();
 934                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 935                 if($a->interactive)
 936                         $_SESSION['sysmsg'][] = $s;
 937         }
 938 }
 939 if(! function_exists('info')) {
 940         function info($s) {
 941                 $a = get_app();
 942                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 943                 if($a->interactive)
 944                         $_SESSION['sysmsg_info'][] = $s;
 945         }
 946 }
 947
 948
 949 // wrapper around config to limit the text length of an incoming message
 950
 951 if(! function_exists('get_max_import_size')) {
 952         function get_max_import_size() {
 953                 global $a;
 954                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 955         }
 956 }
 957
 958
 959
 960 /**
 961  *
 962  * Function : profile_load
 963  * @parameter App    $a
 964  * @parameter string $nickname
 965  * @parameter int    $profile
 966  *
 967  * Summary: Loads a profile into the page sidebar.
 968  * The function requires a writeable copy of the main App structure, and the nickname
 969  * of a registered local account.
 970  *
 971  * If the viewer is an authenticated remote viewer, the profile displayed is the
 972  * one that has been configured for his/her viewing in the Contact manager.
 973  * Passing a non-zero profile ID can also allow a preview of a selected profile
 974  * by the owner.
 975  *
 976  * Profile information is placed in the App structure for later retrieval.
 977  * Honours the owner's chosen theme for display.
 978  *
 979  */
 980
 981 if(! function_exists('profile_load')) {
 982         function profile_load(&$a, $nickname, $profile = 0) {
 983                 if(remote_user()) {
 984                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 985                                         intval($_SESSION['visitor_id']));
 986                         if(count($r))
 987                                 $profile = $r[0]['profile-id'];
 988                 }
 989
 990                 $r = null;
 991
 992                 if($profile) {
 993                         $profile_int = intval($profile);
 994                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 995                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 996                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 997                                         dbesc($nickname),
 998                                         intval($profile_int)
 999                         );
1000                 }
1001                 if((! $r) && (!  count($r))) {
1002                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1003                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1004                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1005                                         dbesc($nickname)
1006                         );
1007                 }
1008
1009                 if(($r === false) || (! count($r))) {
1010                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1011                         notice( t('Requested profile is not available.') . EOL );
1012                         $a->error = 404;
1013                         return;
1014                 }
1015
1016                 // fetch user tags if this isn't the default profile
1017
1018                 if(! $r[0]['is-default']) {
1019                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1020                                         intval($profile_uid)
1021                         );
1022                         if($x && count($x))
1023                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1024                 }
1025
1026                 $a->profile = $r[0];
1027
1028
1029                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1030                 $_SESSION['theme'] = $a->profile['theme'];
1031
1032                 /**
1033                  * load/reload current theme info
1034                  */
1035
1036                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1037                 if (file_exists($theme_info_file)){
1038                         require_once($theme_info_file);
1039                 }
1040
1041                 if(! (x($a->page,'aside')))
1042                         $a->page['aside'] = '';
1043
1044                 if(local_user() && local_user() == $a->profile['uid']) {
1045                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1046                                 '$editprofile' => t('Edit profile'),
1047                                 '$profid' => $a->profile['id']
1048                         ));
1049                 }
1050
1051                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1052
1053                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1054
1055                 /*if(! $block)
1056                  $a->page['aside'] .= contact_block();*/
1057
1058                 return;
1059         }
1060 }
1061
1062
1063 /**
1064  *
1065  * Function: profile_sidebar
1066  *
1067  * Formats a profile for display in the sidebar.
1068  * It is very difficult to templatise the HTML completely
1069  * because of all the conditional logic.
1070  *
1071  * @parameter: array $profile
1072  *
1073  * Returns HTML string stuitable for sidebar inclusion
1074  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1075  *
1076  */
1077
1078
1079 if(! function_exists('profile_sidebar')) {
1080         function profile_sidebar($profile, $block = 0) {
1081
1082                 $a = get_app();
1083
1084                 $o = '';
1085                 $location = false;
1086                 $address = false;
1087                 $pdesc = true;
1088
1089                 if((! is_array($profile)) && (! count($profile)))
1090                         return $o;
1091
1092                 $profile['picdate'] = urlencode($profile['picdate']);
1093
1094                 call_hooks('profile_sidebar_enter', $profile);
1095
1096
1097                 // don't show connect link to yourself
1098                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1099
1100                 // don't show connect link to authenticated visitors either
1101
1102                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1103                         $connect = False;
1104
1105                 if(get_my_url() && $profile['unkmail'])
1106                         $wallmessage = t('Message');
1107                 else
1108                         $wallmessage = false;
1109
1110
1111
1112                 // show edit profile to yourself
1113                 if ($profile['uid'] == local_user()) {
1114                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1115
1116                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1117                                         local_user());
1118
1119                         $profile['menu'] = array(
1120                                 'chg_photo' => t('Change profile photo'),
1121                                 'cr_new' => t('Create New Profile'),
1122                                 'entries' => array(),
1123                         );
1124
1125                         if(count($r)) {
1126
1127                                 foreach($r as $rr) {
1128                                         $profile['menu']['entries'][] = array(
1129                                                 'photo' => $rr['thumb'],
1130                                                 'id' => $rr['id'],
1131                                                 'alt' => t('Profile Image'),
1132                                                 'profile_name' => $rr['profile-name'],
1133                                                 'isdefault' => $rr['is-default'],
1134                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1135                                                 'edit_visibility' => t('Edit visibility'),
1136
1137                                         );
1138                                 }
1139
1140
1141                         }
1142
1143
1144                 }
1145
1146
1147
1148
1149                 if((x($profile,'address') == 1)
1150                                 || (x($profile,'locality') == 1)
1151                                 || (x($profile,'region') == 1)
1152                                 || (x($profile,'postal-code') == 1)
1153                                 || (x($profile,'country-name') == 1))
1154                         $location = t('Location:');
1155
1156                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1157
1158
1159                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1160
1161                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1162
1163                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1164                         $location = $pdesc = $gender = $marital = $homepage = False;
1165                 }
1166
1167                 $firstname = ((strpos($profile['name'],' '))
1168                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1169                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1170
1171                 $diaspora = array(
1172                         'podloc' => $a->get_baseurl(),
1173                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1174                         'nickname' => $profile['nickname'],
1175                         'fullname' => $profile['name'],
1176                         'firstname' => $firstname,
1177                         'lastname' => $lastname,
1178                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1179                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1180                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1181                 );
1182
1183                 if (!$block){
1184                         $contact_block = contact_block();
1185                 }
1186
1187
1188                 $tpl = get_markup_template('profile_vcard.tpl');
1189
1190                 $o .= replace_macros($tpl, array(
1191                         '$profile' => $profile,
1192                         '$connect'  => $connect,
1193                         '$wallmessage' => $wallmessage,
1194                         '$location' => template_escape($location),
1195                         '$gender'   => $gender,
1196                         '$pdesc'        => $pdesc,
1197                         '$marital'  => $marital,
1198                         '$homepage' => $homepage,
1199                         '$diaspora' => $diaspora,
1200                         '$contact_block' => $contact_block,
1201                 ));
1202
1203
1204                 $arr = array('profile' => &$profile, 'entry' => &$o);
1205
1206                 call_hooks('profile_sidebar', $arr);
1207
1208                 return $o;
1209         }
1210 }
1211
1212
1213 if(! function_exists('get_birthdays')) {
1214         function get_birthdays() {
1215
1216                 $a = get_app();
1217                 $o = '';
1218
1219                 if(! local_user())
1220                         return $o;
1221
1222                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1223                 $bd_short = t('F d');
1224
1225                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1226                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1227                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1228                                 ORDER BY `start` ASC ",
1229                                 intval(local_user()),
1230                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1231                                 dbesc(datetime_convert('UTC','UTC','now'))
1232                 );
1233
1234                 if($r && count($r)) {
1235                         $total = 0;
1236                         $now = strtotime('now');
1237                         $cids = array();
1238
1239                         $istoday = false;
1240                         foreach($r as $rr) {
1241                                 if(strlen($rr['name']))
1242                                         $total ++;
1243                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1244                                         $istoday = true;
1245                         }
1246                         $classtoday = $istoday ? ' birthday-today ' : '';
1247                         if($total) {
1248                                 foreach($r as &$rr) {
1249                                         if(! strlen($rr['name']))
1250                                                 continue;
1251
1252                                         // avoid duplicates
1253
1254                                         if(in_array($rr['cid'],$cids))
1255                                                 continue;
1256                                         $cids[] = $rr['cid'];
1257
1258                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1259                                         $sparkle = '';
1260                                         $url = $rr['url'];
1261                                         if($rr['network'] === NETWORK_DFRN) {
1262                                                 $sparkle = " sparkle";
1263                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1264                                         }
1265
1266                                         $rr['link'] = $url;
1267                                         $rr['title'] = $rr['name'];
1268                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1269                                         $rr['startime'] = Null;
1270                                         $rr['today'] = $today;
1271
1272                                 }
1273                         }
1274                 }
1275                 $tpl = get_markup_template("birthdays_reminder.tpl");
1276                 return replace_macros($tpl, array(
1277                         '$baseurl' => $a->get_baseurl(),
1278                         '$classtoday' => $classtoday,
1279                         '$count' => $total,
1280                         '$event_reminders' => t('Birthday Reminders'),
1281                         '$event_title' => t('Birthdays this week:'),
1282                         '$events' => $r,
1283                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1284                         '$rbr' => '}'
1285
1286                 ));
1287         }
1288 }
1289
1290
1291 if(! function_exists('get_events')) {
1292         function get_events() {
1293
1294                 require_once('include/bbcode.php');
1295
1296                 $a = get_app();
1297
1298                 if(! local_user())
1299                         return $o;
1300
1301                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1302                 $bd_short = t('F d');
1303
1304                 $r = q("SELECT `event`.* FROM `event`
1305                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1306                                 ORDER BY `start` ASC ",
1307                                 intval(local_user()),
1308                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1309                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1310                 );
1311
1312                 if($r && count($r)) {
1313                         $now = strtotime('now');
1314                         $istoday = false;
1315                         foreach($r as $rr) {
1316                                 if(strlen($rr['name']))
1317                                         $total ++;
1318
1319                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1320                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1321                                         $istoday = true;
1322                         }
1323                         $classtoday = (($istoday) ? 'event-today' : '');
1324
1325
1326                         foreach($r as &$rr) {
1327                                 if($rr['adjust'])
1328                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1329                                 else
1330                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1331                                 $md .= "/#link-".$rr['id'];
1332
1333                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1334                                 if(! $title)
1335                                         $title = t('[No description]');
1336
1337                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1338                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1339
1340                                 $rr['link'] = $md;
1341                                 $rr['title'] = $title;
1342                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1343                                 $rr['startime'] = $strt;
1344                                 $rr['today'] = $today;
1345                         }
1346                 }
1347
1348                 $tpl = get_markup_template("events_reminder.tpl");
1349                 return replace_macros($tpl, array(
1350                         '$baseurl' => $a->get_baseurl(),
1351                         '$classtoday' => $classtoday,
1352                         '$count' => count($r),
1353                         '$event_reminders' => t('Event Reminders'),
1354                         '$event_title' => t('Events this week:'),
1355                         '$events' => $r,
1356                 ));
1357         }
1358 }
1359
1360
1361 /**
1362  *
1363  * Wrap calls to proc_close(proc_open()) and call hook
1364  * so plugins can take part in process :)
1365  *
1366  * args:
1367  * $cmd program to run
1368  *  next args are passed as $cmd command line
1369  *
1370  * e.g.: proc_run("ls","-la","/tmp");
1371  *
1372  * $cmd and string args are surrounded with ""
1373  */
1374
1375 if(! function_exists('proc_run')) {
1376         function proc_run($cmd){
1377
1378                 $a = get_app();
1379
1380                 $args = func_get_args();
1381
1382                 $newargs = array();
1383                 if(! count($args))
1384                         return;
1385
1386                 // expand any arrays
1387
1388                 foreach($args as $arg) {
1389                         if(is_array($arg)) {
1390                                 foreach($arg as $n) {
1391                                         $newargs[] = $n;
1392                                 }
1393                         }
1394                         else
1395                                 $newargs[] = $arg;
1396                 }
1397
1398                 $args = $newargs;
1399
1400                 $arr = array('args' => $args, 'run_cmd' => true);
1401
1402                 call_hooks("proc_run", $arr);
1403                 if(! $arr['run_cmd'])
1404                         return;
1405
1406                 if(count($args) && $args[0] === 'php')
1407                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1408                 for($x = 0; $x < count($args); $x ++)
1409                         $args[$x] = escapeshellarg($args[$x]);
1410
1411                 $cmdline = implode($args," ");
1412                 proc_close(proc_open($cmdline." &",array(),$foo));
1413         }
1414 }
1415
1416 if(! function_exists('current_theme')) {
1417         function current_theme(){
1418                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1419
1420                 $a = get_app();
1421
1422                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1423                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1424
1425                 if($theme_name &&
1426                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1427                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1428                         return($theme_name);
1429
1430                 foreach($app_base_themes as $t) {
1431                         if(file_exists('view/theme/' . $t . '/style.css')||
1432                                         file_exists('view/theme/' . $t . '/style.php'))
1433                                 return($t);
1434                 }
1435
1436                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1437                 if(count($fallback))
1438                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1439
1440         }
1441 }
1442
1443 /*
1444  * Return full URL to theme which is currently in effect.
1445 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1446 */
1447 if(! function_exists('current_theme_url')) {
1448         function current_theme_url() {
1449                 global $a;
1450                 $t = current_theme();
1451                 if (file_exists('view/theme/' . $t . '/style.php'))
1452                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1453                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1454         }
1455 }
1456
1457 if(! function_exists('feed_birthday')) {
1458         function feed_birthday($uid,$tz) {
1459
1460                 /**
1461                  *
1462                  * Determine the next birthday, but only if the birthday is published
1463                  * in the default profile. We _could_ also look for a private profile that the
1464                  * recipient can see, but somebody could get mad at us if they start getting
1465                  * public birthday greetings when they haven't made this info public.
1466                  *
1467                  * Assuming we are able to publish this info, we are then going to convert
1468                  * the start time from the owner's timezone to UTC.
1469                  *
1470                  * This will potentially solve the problem found with some social networks
1471                  * where birthdays are converted to the viewer's timezone and salutations from
1472                  * elsewhere in the world show up on the wrong day. We will convert it to the
1473                  * viewer's timezone also, but first we are going to convert it from the birthday
1474                  * person's timezone to GMT - so the viewer may find the birthday starting at
1475                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1476                  *
1477                  */
1478
1479
1480                 $birthday = '';
1481
1482                 if(! strlen($tz))
1483                         $tz = 'UTC';
1484
1485                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1486                                 intval($uid)
1487                 );
1488
1489                 if($p && count($p)) {
1490                         $tmp_dob = substr($p[0]['dob'],5);
1491                         if(intval($tmp_dob)) {
1492                                 $y = datetime_convert($tz,$tz,'now','Y');
1493                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1494                                 $t_dob = strtotime($bd);
1495                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1496                                 if($t_dob < $now)
1497                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1498                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1499                         }
1500                 }
1501
1502                 return $birthday;
1503         }
1504 }
1505
1506 if(! function_exists('is_site_admin')) {
1507         function is_site_admin() {
1508                 $a = get_app();
1509                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1510                         return true;
1511                 return false;
1512         }
1513 }
1514
1515
1516 if(! function_exists('load_contact_links')) {
1517         function load_contact_links($uid) {
1518
1519                 $a = get_app();
1520
1521                 $ret = array();
1522
1523                 if(! $uid || x($a->contacts,'empty'))
1524                         return;
1525
1526                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1527                                 intval($uid)
1528                 );
1529                 if(count($r)) {
1530                         foreach($r as $rr){
1531                                 $url = normalise_link($rr['url']);
1532                                 $ret[$url] = $rr;
1533                         }
1534                 }
1535                 else
1536                         $ret['empty'] = true;
1537                 $a->contacts = $ret;
1538                 return;
1539         }
1540 }
1541
1542 if(! function_exists('profile_tabs')){
1543         function profile_tabs($a, $is_owner=False, $nickname=Null){
1544                 //echo "<pre>"; var_dump($a->user); killme();
1545
1546                 if (is_null($nickname))
1547                         $nickname  = $a->user['nickname'];
1548
1549                 if(x($_GET,'tab'))
1550                         $tab = notags(trim($_GET['tab']));
1551
1552                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1553
1554                 $tabs = array(
1555                         array(
1556                                 'label'=>t('Status'),
1557                                 'url' => $url,
1558                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1559                                 'title' => t('Status Messages and Posts'),
1560                         ),
1561                         array(
1562                                 'label' => t('Profile'),
1563                                 'url'   => $url.'/?tab=profile',
1564                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1565                                 'title' => t('Profile Details'),
1566                         ),
1567                         array(
1568                                 'label' => t('Photos'),
1569                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1570                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1571                                 'title' => t('Photo Albums'),
1572                         ),
1573                 );
1574
1575                 if ($is_owner){
1576                         $tabs[] = array(
1577                                 'label' => t('Events'),
1578                                 'url'   => $a->get_baseurl() . '/events',
1579                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1580                                 'title' => t('Events and Calendar'),
1581                         );
1582                         $tabs[] = array(
1583                                 'label' => t('Personal Notes'),
1584                                 'url'   => $a->get_baseurl() . '/notes',
1585                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1586                                 'title' => t('Only You Can See This'),
1587                         );
1588                 }
1589
1590
1591                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1592                 call_hooks('profile_tabs', $arr);
1593
1594                 $tpl = get_markup_template('common_tabs.tpl');
1595
1596                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1597         }
1598 }
1599
1600 function get_my_url() {
1601         if(x($_SESSION,'my_url'))
1602                 return $_SESSION['my_url'];
1603         return false;
1604 }
1605
1606 function zrl_init(&$a) {
1607         $tmp_str = get_my_url();
1608         if(validate_url($tmp_str)) {
1609                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1610                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1611                 call_hooks('zrl_init',$arr);
1612         }
1613 }
1614
1615 function zrl($s,$force = false) {
1616         if(! strlen($s))
1617                 return $s;
1618         if((! strpos($s,'/profile/')) && (! $force))
1619                 return $s;
1620         if($force && substr($s,-1,1) !== '/')
1621                 $s = $s . '/';
1622         $achar = strpos($s,'?') ? '&' : '?';
1623         $mine = get_my_url();
1624         if($mine and ! link_compare($mine,$s))
1625                 return $s . $achar . 'zrl=' . urlencode($mine);
1626         return $s;
1627 }
1628
1629 /**
1630 * returns querystring as string from a mapped array
1631 *
1632 * @param params Array
1633 * @return string
1634 */
1635 function build_querystring($params, $name=null) {
1636     $ret = "";
1637     foreach($params as $key=>$val) {
1638         if(is_array($val)) {
1639             if($name==null) {
1640                 $ret .= build_querystring($val, $key);
1641             } else {
1642                 $ret .= build_querystring($val, $name."[$key]");
1643             }
1644         } else {
1645             $val = urlencode($val);
1646             if($name!=null) {
1647                 $ret.=$name."[$key]"."=$val&";
1648             } else {
1649                 $ret.= "$key=$val&";
1650             }
1651         }
1652     }
1653     return $ret;
1654 }