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',      '3.0.1377' );
  14 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
  15 define ( 'DB_UPDATE_VERSION',      1149      );
  16
  17 define ( 'EOL',                    "<br />\r\n"     );
  18 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
  19
  20
  21 /**
  22  *
  23  * Image storage quality. Lower numbers save space at cost of image detail.
  24  * For ease of upgrade, please do not change here. Change jpeg quality with
  25  * $a->config['system']['jpeg_quality'] = n;
  26  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
  27  * below about 50
  28  *
  29  */
  30
  31 define ( 'JPEG_QUALITY',            100  );
  32 /**
  33  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
  34  */
  35 define ( 'PNG_QUALITY',             8  );
  36
  37
  38 /**
  39  * Not yet used
  40  */
  41
  42 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
  43
  44 /**
  45  * SSL redirection policies
  46  */
  47
  48 define ( 'SSL_POLICY_NONE',         0 );
  49 define ( 'SSL_POLICY_FULL',         1 );
  50 define ( 'SSL_POLICY_SELFSIGN',     2 );
  51
  52
  53 /**
  54  * log levels
  55  */
  56
  57 define ( 'LOGGER_NORMAL',          0 );
  58 define ( 'LOGGER_TRACE',           1 );
  59 define ( 'LOGGER_DEBUG',           2 );
  60 define ( 'LOGGER_DATA',            3 );
  61 define ( 'LOGGER_ALL',             4 );
  62
  63 /**
  64  * registration policies
  65  */
  66
  67 define ( 'REGISTER_CLOSED',        0 );
  68 define ( 'REGISTER_APPROVE',       1 );
  69 define ( 'REGISTER_OPEN',          2 );
  70
  71 /**
  72  * relationship types
  73  */
  74
  75 define ( 'CONTACT_IS_FOLLOWER', 1);
  76 define ( 'CONTACT_IS_SHARING',  2);
  77 define ( 'CONTACT_IS_FRIEND',   3);
  78
  79
  80 /**
  81  * Hook array order
  82  */
  83
  84 define ( 'HOOK_HOOK',      0);
  85 define ( 'HOOK_FILE',      1);
  86 define ( 'HOOK_FUNCTION',  2);
  87
  88 /**
  89  * DB update return values
  90  */
  91
  92 define ( 'UPDATE_SUCCESS', 0);
  93 define ( 'UPDATE_FAILED',  1);
  94
  95
  96 /**
  97  *
  98  * page/profile types
  99  *
 100  * PAGE_NORMAL is a typical personal profile account
 101  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
 102  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
 103  *      write access to wall and comments (no email and not included in page owner's ACL lists)
 104  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
 105  *
 106  */
 107
 108 define ( 'PAGE_NORMAL',            0 );
 109 define ( 'PAGE_SOAPBOX',           1 );
 110 define ( 'PAGE_COMMUNITY',         2 );
 111 define ( 'PAGE_FREELOVE',          3 );
 112 define ( 'PAGE_BLOG',              4 );
 113 define ( 'PAGE_PRVGROUP',          5 );
 114
 115 /**
 116  * Network and protocol family types
 117  */
 118
 119 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
 120 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
 121 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
 122 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
 123 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
 124 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
 125 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
 126 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
 127 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
 128 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
 129 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
 130 define ( 'NETWORK_GPLUS',            'goog');    // Google+
 131
 132 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
 133
 134 /**
 135  * These numbers are used in stored permissions
 136  * and existing allocations MUST NEVER BE CHANGED
 137  * OR RE-ASSIGNED! You may only add to them.
 138  */
 139
 140 $netgroup_ids = array(
 141         NETWORK_DFRN     => (-1),
 142         NETWORK_ZOT      => (-2),
 143         NETWORK_OSTATUS  => (-3),
 144         NETWORK_FEED     => (-4),
 145         NETWORK_DIASPORA => (-5),
 146         NETWORK_MAIL     => (-6),
 147         NETWORK_MAIL2    => (-7),
 148         NETWORK_FACEBOOK => (-8),
 149         NETWORK_LINKEDIN => (-9),
 150         NETWORK_XMPP     => (-10),
 151         NETWORK_MYSPACE  => (-11),
 152         NETWORK_GPLUS    => (-12),
 153
 154         NETWORK_PHANTOM  => (-127),
 155 );
 156
 157
 158 /**
 159  * Maximum number of "people who like (or don't like) this"  that we will list by name
 160  */
 161
 162 define ( 'MAX_LIKERS',    75);
 163
 164 /**
 165  * Communication timeout
 166  */
 167
 168 define ( 'ZCURL_TIMEOUT' , (-1));
 169
 170
 171 /**
 172  * email notification options
 173  */
 174
 175 define ( 'NOTIFY_INTRO',    0x0001 );
 176 define ( 'NOTIFY_CONFIRM',  0x0002 );
 177 define ( 'NOTIFY_WALL',     0x0004 );
 178 define ( 'NOTIFY_COMMENT',  0x0008 );
 179 define ( 'NOTIFY_MAIL',     0x0010 );
 180 define ( 'NOTIFY_SUGGEST',  0x0020 );
 181 define ( 'NOTIFY_PROFILE',  0x0040 );
 182 define ( 'NOTIFY_TAGSELF',  0x0080 );
 183 define ( 'NOTIFY_TAGSHARE', 0x0100 );
 184
 185 define ( 'NOTIFY_SYSTEM',   0x8000 );
 186
 187
 188 /**
 189  * various namespaces we may need to parse
 190  */
 191
 192 define ( 'NAMESPACE_ZOT',             'http://purl.org/macgirvin/zot' );
 193 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
 194 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
 195 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
 196 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
 197 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
 198 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
 199 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
 200 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
 201 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
 202 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
 203 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
 204 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
 205 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
 206 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
 207 /**
 208  * activity stream defines
 209  */
 210
 211 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
 212 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
 213 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
 214
 215 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
 216 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
 217 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
 218 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
 219 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
 220 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
 221
 222 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
 223 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
 224 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
 225 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
 226
 227 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
 228 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
 229 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
 230 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
 231 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
 232 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
 233 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
 234 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
 235 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
 236 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
 237
 238 /**
 239  * item weight for query ordering
 240  */
 241
 242 define ( 'GRAVITY_PARENT',       0);
 243 define ( 'GRAVITY_LIKE',         3);
 244 define ( 'GRAVITY_COMMENT',      6);
 245
 246 /**
 247  *
 248  * Reverse the effect of magic_quotes_gpc if it is enabled.
 249  * Please disable magic_quotes_gpc so we don't have to do this.
 250  * See http://php.net/manual/en/security.magicquotes.disabling.php
 251  *
 252  */
 253
 254 function startup() {
 255         error_reporting(E_ERROR | E_WARNING | E_PARSE);
 256         set_time_limit(0);
 257
 258         // This has to be quite large to deal with embedded private photos
 259         ini_set('pcre.backtrack_limit', 500000);
 260
 261
 262         if (get_magic_quotes_gpc()) {
 263                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
 264                 while (list($key, $val) = each($process)) {
 265                         foreach ($val as $k => $v) {
 266                                 unset($process[$key][$k]);
 267                                 if (is_array($v)) {
 268                                         $process[$key][stripslashes($k)] = $v;
 269                                         $process[] = &$process[$key][stripslashes($k)];
 270                                 } else {
 271                                         $process[$key][stripslashes($k)] = stripslashes($v);
 272                                 }
 273                         }
 274                 }
 275                 unset($process);
 276         }
 277
 278 }
 279
 280 /**
 281  *
 282  * class: App
 283  *
 284  * Our main application structure for the life of this page
 285  * Primarily deals with the URL that got us here
 286  * and tries to make some sense of it, and
 287  * stores our page contents and config storage
 288  * and anything else that might need to be passed around
 289  * before we spit the page out.
 290  *
 291  */
 292
 293 if(! class_exists('App')) {
 294         class App {
 295
 296                 public  $module_loaded = false;
 297                 public  $query_string;
 298                 public  $config;
 299                 public  $page;
 300                 public  $profile;
 301                 public  $user;
 302                 public  $cid;
 303                 public  $contact;
 304                 public  $contacts;
 305                 public  $page_contact;
 306                 public  $content;
 307                 public  $data = array();
 308                 public  $error = false;
 309                 public  $cmd;
 310                 public  $argv;
 311                 public  $argc;
 312                 public  $module;
 313                 public  $pager;
 314                 public  $strings;
 315                 public  $path;
 316                 public  $hooks;
 317                 public  $timezone;
 318                 public  $interactive = true;
 319                 public  $plugins;
 320                 public  $apps = array();
 321                 public  $identities;
 322
 323                 public $nav_sel;
 324
 325                 public $category;
 326
 327                 private $scheme;
 328                 private $hostname;
 329                 private $baseurl;
 330                 private $db;
 331
 332                 private $curl_code;
 333                 private $curl_headers;
 334
 335                 private $cached_profile_image;
 336                 private $cached_profile_picdate;
 337
 338                 function __construct() {
 339
 340                         global $default_timezone;
 341
 342                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
 343
 344                         date_default_timezone_set($this->timezone);
 345
 346                         $this->config = array();
 347                         $this->page = array();
 348                         $this->pager= array();
 349
 350                         $this->query_string = '';
 351
 352                         startup();
 353
 354                         $this->scheme = 'http';
 355                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
 356                                 $this->scheme = 'https';
 357                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
 358                         $this->scheme = 'https';
 359
 360
 361                         if(x($_SERVER,'SERVER_NAME')) {
 362                                 $this->hostname = $_SERVER['SERVER_NAME'];
 363                                 if(x($_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                         $this->pager['total'] = 0;
 446                 }
 447
 448                 function get_baseurl($ssl = false) {
 449
 450                         $scheme = $this->scheme;
 451
 452                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
 453                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
 454                                         $scheme = 'https';
 455
 456                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
 457                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
 458
 459                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
 460                                         if($ssl)
 461                                                 $scheme = 'https';
 462                                         else
 463                                                 $scheme = 'http';
 464                                 }
 465                         }
 466
 467                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
 468                         return $this->baseurl;
 469                 }
 470
 471                 function set_baseurl($url) {
 472                         $parsed = @parse_url($url);
 473
 474                         $this->baseurl = $url;
 475
 476                         if($parsed) {
 477                                 $this->scheme = $parsed['scheme'];
 478
 479                                 $this->hostname = $parsed['host'];
 480                                 if(x($parsed,'port'))
 481                                         $this->hostname .= ':' . $parsed['port'];
 482                                 if(x($parsed,'path'))
 483                                         $this->path = trim($parsed['path'],'\\/');
 484                         }
 485
 486                 }
 487
 488                 function get_hostname() {
 489                         return $this->hostname;
 490                 }
 491
 492                 function set_hostname($h) {
 493                         $this->hostname = $h;
 494                 }
 495
 496                 function set_path($p) {
 497                         $this->path = trim(trim($p),'/');
 498                 }
 499
 500                 function get_path() {
 501                         return $this->path;
 502                 }
 503
 504                 function set_pager_total($n) {
 505                         $this->pager['total'] = intval($n);
 506                 }
 507
 508                 function set_pager_itemspage($n) {
 509                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
 510                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
 511
 512                 }
 513
 514                 function init_pagehead() {
 515                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
 516                         if($interval < 10000)
 517                                 $interval = 40000;
 518
 519                         $this->page['title'] = $this->config['sitename'];
 520                         $tpl = file_get_contents('view/head.tpl');
 521                         $this->page['htmlhead'] = replace_macros($tpl,array(
 522                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
 523                                 '$local_user' => local_user(),
 524                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
 525                                 '$delitem' => t('Delete this item?'),
 526                                 '$comment' => t('Comment'),
 527                                 '$showmore' => t('show more'),
 528                                 '$showfewer' => t('show fewer'),
 529                                 '$update_interval' => $interval
 530                         ));
 531                 }
 532
 533                 function set_curl_code($code) {
 534                         $this->curl_code = $code;
 535                 }
 536
 537                 function get_curl_code() {
 538                         return $this->curl_code;
 539                 }
 540
 541                 function set_curl_headers($headers) {
 542                         $this->curl_headers = $headers;
 543                 }
 544
 545                 function get_curl_headers() {
 546                         return $this->curl_headers;
 547                 }
 548
 549                 function get_cached_avatar_image($avatar_image){
 550                         if($this->cached_profile_image[$avatar_image])
 551                                 return $this->cached_profile_image[$avatar_image];
 552
 553                         $path_parts = explode("/",$avatar_image);
 554                         $common_filename = $path_parts[count($path_parts)-1];
 555
 556                         if($this->cached_profile_picdate[$common_filename]){
 557                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 558                         } else {
 559                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
 560                                         $common_filename);
 561                                 if(! count($r)){
 562                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
 563                                 } else {
 564                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
 565                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
 566                                 }
 567                         }
 568                         return $this->cached_profile_image[$avatar_image];
 569                 }
 570
 571
 572         }
 573 }
 574
 575 // retrieve the App structure
 576 // useful in functions which require it but don't get it passed to them
 577
 578 if(! function_exists('get_app')) {
 579         function get_app() {
 580                 global $a;
 581                 return $a;
 582         }
 583 };
 584
 585
 586 // Multi-purpose function to check variable state.
 587 // Usage: x($var) or $x($array,'key')
 588 // returns false if variable/key is not set
 589 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
 590 // e.g. x('') or x(0) returns 0;
 591
 592 if(! function_exists('x')) {
 593         function x($s,$k = NULL) {
 594                 if($k != NULL) {
 595                         if((is_array($s)) && (array_key_exists($k,$s))) {
 596                                 if($s[$k])
 597                                         return (int) 1;
 598                                 return (int) 0;
 599                 }
 600                         return false;
 601                 }
 602                 else {
 603                         if(isset($s)) {
 604                                 if($s) {
 605                                         return (int) 1;
 606                                 }
 607                                 return (int) 0;
 608                         }
 609                         return false;
 610                 }
 611         }
 612 }
 613
 614 // called from db initialisation if db is dead.
 615
 616 if(! function_exists('system_unavailable')) {
 617         function system_unavailable() {
 618                 include('system_unavailable.php');
 619                 system_down();
 620                 killme();
 621         }
 622 }
 623
 624
 625
 626 function clean_urls() {
 627         global $a;
 628         //      if($a->config['system']['clean_urls'])
 629         return true;
 630         //      return false;
 631 }
 632
 633 function z_path() {
 634         global $a;
 635         $base = $a->get_baseurl();
 636         if(! clean_urls())
 637                 $base .= '/?q=';
 638         return $base;
 639 }
 640
 641 function z_root() {
 642         global $a;
 643         return $a->get_baseurl();
 644 }
 645
 646 function absurl($path) {
 647         if(strpos($path,'/') === 0)
 648                 return z_path() . $path;
 649         return $path;
 650 }
 651
 652 function is_ajax() {
 653         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
 654 }
 655
 656
 657 // Primarily involved with database upgrade, but also sets the
 658 // base url for use in cmdline programs which don't have
 659 // $_SERVER variables, and synchronising the state of installed plugins.
 660
 661
 662 if(! function_exists('check_config')) {
 663         function check_config(&$a) {
 664
 665                 $build = get_config('system','build');
 666                 if(! x($build))
 667                         $build = set_config('system','build',DB_UPDATE_VERSION);
 668
 669                 $url = get_config('system','url');
 670
 671                 // if the url isn't set or the stored url is radically different
 672                 // than the currently visited url, store the current value accordingly.
 673                 // "Radically different" ignores common variations such as http vs https
 674                 // and www.example.com vs example.com.
 675
 676                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
 677                         $url = set_config('system','url',$a->get_baseurl());
 678
 679                 if($build != DB_UPDATE_VERSION) {
 680                         $stored = intval($build);
 681                         $current = intval(DB_UPDATE_VERSION);
 682                         if(($stored < $current) && file_exists('update.php')) {
 683
 684                                 load_config('database');
 685
 686                                 // We're reporting a different version than what is currently installed.
 687                                 // Run any existing update scripts to bring the database up to current.
 688
 689                                 require_once('update.php');
 690
 691                                 // make sure that boot.php and update.php are the same release, we might be
 692                                 // updating right this very second and the correct version of the update.php
 693                                 // file may not be here yet. This can happen on a very busy site.
 694
 695                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
 696
 697                                         for($x = $stored; $x < $current; $x ++) {
 698                                                 if(function_exists('update_' . $x)) {
 699
 700                                                         // There could be a lot of processes running or about to run.
 701                                                         // We want exactly one process to run the update command.
 702                                                         // So store the fact that we're taking responsibility
 703                                                         // after first checking to see if somebody else already has.
 704
 705                                                         // If the update fails or times-out completely you may need to
 706                                                         // delete the config entry to try again.
 707
 708                                                         if(get_config('database','update_' . $x))
 709                                                                 break;
 710                                                         set_config('database','update_' . $x, '1');
 711
 712                                                         // call the specific update
 713
 714                                                         $func = 'update_' . $x;
 715                                                         $retval = $func();
 716                                                         if($retval) {
 717                                                                 //send the administrator an e-mail
 718                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
 719                                                                 $email_msg = replace_macros($email_tpl, array(
 720                                                                         '$sitename' => $a->config['sitename'],
 721                                                                         '$siteurl' =>  $a->get_baseurl(),
 722                                                                         '$update' => $x,
 723                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
 724                                                                 ));
 725                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
 726
 727                                                                 mail($a->config['admin_email'], $subject, $email_msg,
 728                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
 729                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
 730                                                                         . 'Content-transfer-encoding: 8bit' );
 731                                                                 //try the logger
 732                                                                 logger('CRITICAL: Update Failed: '. $x);
 733                                                         }
 734                                                         else
 735                                                                 set_config('database','update_' . $x, 'success');
 736
 737                                                 }
 738                                         }
 739                                         set_config('system','build', DB_UPDATE_VERSION);
 740                                 }
 741                         }
 742                 }
 743
 744                 /**
 745                  *
 746                  * Synchronise plugins:
 747                  *
 748                  * $a->config['system']['addon'] contains a comma-separated list of names
 749                  * of plugins/addons which are used on this system.
 750                  * Go through the database list of already installed addons, and if we have
 751                  * an entry, but it isn't in the config list, call the uninstall procedure
 752                  * and mark it uninstalled in the database (for now we'll remove it).
 753                  * Then go through the config list and if we have a plugin that isn't installed,
 754                  * call the install procedure and add it to the database.
 755                  *
 756                  */
 757
 758                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
 759                 if(count($r))
 760                         $installed = $r;
 761                 else
 762                         $installed = array();
 763
 764                 $plugins = get_config('system','addon');
 765                 $plugins_arr = array();
 766
 767                 if($plugins)
 768                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
 769
 770                 $a->plugins = $plugins_arr;
 771
 772                 $installed_arr = array();
 773
 774                 if(count($installed)) {
 775                         foreach($installed as $i) {
 776                                 if(! in_array($i['name'],$plugins_arr)) {
 777                                         uninstall_plugin($i['name']);
 778                                 }
 779                                 else {
 780                                         $installed_arr[] = $i['name'];
 781                                 }
 782                         }
 783                 }
 784
 785                 if(count($plugins_arr)) {
 786                         foreach($plugins_arr as $p) {
 787                                 if(! in_array($p,$installed_arr)) {
 788                                         install_plugin($p);
 789                                 }
 790                         }
 791                 }
 792
 793
 794                 load_hooks();
 795
 796                 return;
 797         }
 798 }
 799
 800
 801 function get_guid($size=16) {
 802         $exists = true; // assume by default that we don't have a unique guid
 803         do {
 804                 $s = random_string($size);
 805                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
 806                 if(! count($r))
 807                         $exists = false;
 808         } while($exists);
 809         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
 810         return $s;
 811 }
 812
 813
 814 // wrapper for adding a login box. If $register == true provide a registration
 815 // link. This will most always depend on the value of $a->config['register_policy'].
 816 // returns the complete html for inserting into the page
 817
 818 if(! function_exists('login')) {
 819         function login($register = false, $hiddens=false) {
 820                 $a = get_app();
 821                 $o = "";
 822                 $reg = false;
 823                 if ($register) {
 824                         $reg = array(
 825                                 'title' => t('Create a New Account'),
 826                                 'desc' => t('Register')
 827                         );
 828                 }
 829
 830                 $noid = get_config('system','no_openid');
 831
 832                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
 833
 834                 if(local_user()) {
 835                         $tpl = get_markup_template("logout.tpl");
 836                 }
 837                 else {
 838                         $tpl = get_markup_template("login.tpl");
 839                         $_SESSION['return_url'] = $a->query_string;
 840                 }
 841
 842
 843                 $o .= replace_macros($tpl,array(
 844
 845                         '$dest_url'     => $dest_url,
 846                         '$logout'       => t('Logout'),
 847                         '$login'        => t('Login'),
 848
 849                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
 850                         '$lpassword'    => array('password', t('Password: '), '', ''),
 851
 852                         '$openid'               => !$noid,
 853                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
 854
 855                         '$hiddens'      => $hiddens,
 856
 857                         '$register'     => $reg,
 858
 859                         '$lostpass'     => t('Forgot your password?'),
 860                         '$lostlink'     => t('Password Reset'),
 861                 ));
 862
 863                 call_hooks('login_hook',$o);
 864
 865                 return $o;
 866         }
 867 }
 868
 869 // Used to end the current process, after saving session state.
 870
 871 if(! function_exists('killme')) {
 872         function killme() {
 873                 session_write_close();
 874                 exit;
 875         }
 876 }
 877
 878 // redirect to another URL and terminate this process.
 879
 880 if(! function_exists('goaway')) {
 881         function goaway($s) {
 882                 header("Location: $s");
 883                 killme();
 884         }
 885 }
 886
 887
 888 // Returns the uid of locally logged in user or false.
 889
 890 if(! function_exists('local_user')) {
 891         function local_user() {
 892                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
 893                         return intval($_SESSION['uid']);
 894                 return false;
 895         }
 896 }
 897
 898 // Returns contact id of authenticated site visitor or false
 899
 900 if(! function_exists('remote_user')) {
 901         function remote_user() {
 902                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
 903                         return intval($_SESSION['visitor_id']);
 904                 return false;
 905         }
 906 }
 907
 908 // contents of $s are displayed prominently on the page the next time
 909 // a page is loaded. Usually used for errors or alerts.
 910
 911 if(! function_exists('notice')) {
 912         function notice($s) {
 913                 $a = get_app();
 914                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
 915                 if($a->interactive)
 916                         $_SESSION['sysmsg'][] = $s;
 917         }
 918 }
 919 if(! function_exists('info')) {
 920         function info($s) {
 921                 $a = get_app();
 922                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
 923                 if($a->interactive)
 924                         $_SESSION['sysmsg_info'][] = $s;
 925         }
 926 }
 927
 928
 929 // wrapper around config to limit the text length of an incoming message
 930
 931 if(! function_exists('get_max_import_size')) {
 932         function get_max_import_size() {
 933                 global $a;
 934                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
 935         }
 936 }
 937
 938
 939
 940 /**
 941  *
 942  * Function : profile_load
 943  * @parameter App    $a
 944  * @parameter string $nickname
 945  * @parameter int    $profile
 946  *
 947  * Summary: Loads a profile into the page sidebar.
 948  * The function requires a writeable copy of the main App structure, and the nickname
 949  * of a registered local account.
 950  *
 951  * If the viewer is an authenticated remote viewer, the profile displayed is the
 952  * one that has been configured for his/her viewing in the Contact manager.
 953  * Passing a non-zero profile ID can also allow a preview of a selected profile
 954  * by the owner.
 955  *
 956  * Profile information is placed in the App structure for later retrieval.
 957  * Honours the owner's chosen theme for display.
 958  *
 959  */
 960
 961 if(! function_exists('profile_load')) {
 962         function profile_load(&$a, $nickname, $profile = 0) {
 963                 if(remote_user()) {
 964                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
 965                                         intval($_SESSION['visitor_id']));
 966                         if(count($r))
 967                                 $profile = $r[0]['profile-id'];
 968                 }
 969
 970                 $r = null;
 971
 972                 if($profile) {
 973                         $profile_int = intval($profile);
 974                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 975                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 976                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
 977                                         dbesc($nickname),
 978                                         intval($profile_int)
 979                         );
 980                 }
 981                 if((! $r) && (!  count($r))) {
 982                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
 983                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
 984                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
 985                                         dbesc($nickname)
 986                         );
 987                 }
 988
 989                 if(($r === false) || (! count($r))) {
 990                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
 991                         notice( t('Requested profile is not available.') . EOL );
 992                         $a->error = 404;
 993                         return;
 994                 }
 995
 996                 // fetch user tags if this isn't the default profile
 997
 998                 if(! $r[0]['is-default']) {
 999                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1000                                         intval($profile_uid)
1001                         );
1002                         if($x && count($x))
1003                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1004                 }
1005
1006                 $a->profile = $r[0];
1007
1008
1009                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1010                 $_SESSION['theme'] = $a->profile['theme'];
1011
1012                 /**
1013                  * load/reload current theme info
1014                  */
1015
1016                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1017                 if (file_exists($theme_info_file)){
1018                         require_once($theme_info_file);
1019                 }
1020
1021                 if(! (x($a->page,'aside')))
1022                         $a->page['aside'] = '';
1023
1024                 if(local_user() && local_user() == $a->profile['uid']) {
1025                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1026                                 '$editprofile' => t('Edit profile'),
1027                                 '$profid' => $a->profile['id']
1028                         ));
1029                 }
1030
1031                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1032
1033                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1034
1035                 /*if(! $block)
1036                  $a->page['aside'] .= contact_block();*/
1037
1038                 return;
1039         }
1040 }
1041
1042
1043 /**
1044  *
1045  * Function: profile_sidebar
1046  *
1047  * Formats a profile for display in the sidebar.
1048  * It is very difficult to templatise the HTML completely
1049  * because of all the conditional logic.
1050  *
1051  * @parameter: array $profile
1052  *
1053  * Returns HTML string stuitable for sidebar inclusion
1054  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1055  *
1056  */
1057
1058
1059 if(! function_exists('profile_sidebar')) {
1060         function profile_sidebar($profile, $block = 0) {
1061
1062                 $a = get_app();
1063
1064                 $o = '';
1065                 $location = false;
1066                 $address = false;
1067                 $pdesc = true;
1068
1069                 if((! is_array($profile)) && (! count($profile)))
1070                         return $o;
1071
1072                 $profile['picdate'] = urlencode($profile['picdate']);
1073
1074                 call_hooks('profile_sidebar_enter', $profile);
1075
1076
1077                 // don't show connect link to yourself
1078                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1079
1080                 // don't show connect link to authenticated visitors either
1081
1082                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1083                         $connect = False;
1084
1085                 if(get_my_url() && $profile['unkmail'])
1086                         $wallmessage = t('Message');
1087                 else
1088                         $wallmessage = false;
1089
1090
1091
1092                 // show edit profile to yourself
1093                 if ($profile['uid'] == local_user()) {
1094                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1095
1096                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1097                                         local_user());
1098
1099                         $profile['menu'] = array(
1100                                 'chg_photo' => t('Change profile photo'),
1101                                 'cr_new' => t('Create New Profile'),
1102                                 'entries' => array(),
1103                         );
1104
1105                         if(count($r)) {
1106
1107                                 foreach($r as $rr) {
1108                                         $profile['menu']['entries'][] = array(
1109                                                 'photo' => $rr['thumb'],
1110                                                 'id' => $rr['id'],
1111                                                 'alt' => t('Profile Image'),
1112                                                 'profile_name' => $rr['profile-name'],
1113                                                 'isdefault' => $rr['is-default'],
1114                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1115                                                 'edit_visibility' => t('Edit visibility'),
1116
1117                                         );
1118                                 }
1119
1120
1121                         }
1122
1123
1124                 }
1125
1126
1127
1128
1129                 if((x($profile,'address') == 1)
1130                                 || (x($profile,'locality') == 1)
1131                                 || (x($profile,'region') == 1)
1132                                 || (x($profile,'postal-code') == 1)
1133                                 || (x($profile,'country-name') == 1))
1134                         $location = t('Location:');
1135
1136                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1137
1138
1139                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1140
1141                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1142
1143                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1144                         $location = $pdesc = $gender = $marital = $homepage = False;
1145                 }
1146
1147                 $firstname = ((strpos($profile['name'],' '))
1148                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1149                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1150
1151                 $diaspora = array(
1152                         'podloc' => $a->get_baseurl(),
1153                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1154                         'nickname' => $profile['nickname'],
1155                         'fullname' => $profile['name'],
1156                         'firstname' => $firstname,
1157                         'lastname' => $lastname,
1158                         'photo300' => $a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg',
1159                         'photo100' => $a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg',
1160                         'photo50' => $a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg',
1161                 );
1162
1163                 if (!$block){
1164                         $contact_block = contact_block();
1165                 }
1166
1167
1168                 $tpl = get_markup_template('profile_vcard.tpl');
1169
1170                 $o .= replace_macros($tpl, array(
1171                         '$profile' => $profile,
1172                         '$connect'  => $connect,
1173                         '$wallmessage' => $wallmessage,
1174                         '$location' => template_escape($location),
1175                         '$gender'   => $gender,
1176                         '$pdesc'        => $pdesc,
1177                         '$marital'  => $marital,
1178                         '$homepage' => $homepage,
1179                         '$diaspora' => $diaspora,
1180                         '$contact_block' => $contact_block,
1181                 ));
1182
1183
1184                 $arr = array('profile' => &$profile, 'entry' => &$o);
1185
1186                 call_hooks('profile_sidebar', $arr);
1187
1188                 return $o;
1189         }
1190 }
1191
1192
1193 if(! function_exists('get_birthdays')) {
1194         function get_birthdays() {
1195
1196                 $a = get_app();
1197                 $o = '';
1198
1199                 if(! local_user())
1200                         return $o;
1201
1202                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1203                 $bd_short = t('F d');
1204
1205                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1206                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1207                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1208                                 ORDER BY `start` ASC ",
1209                                 intval(local_user()),
1210                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1211                                 dbesc(datetime_convert('UTC','UTC','now'))
1212                 );
1213
1214                 if($r && count($r)) {
1215                         $total = 0;
1216                         $now = strtotime('now');
1217                         $cids = array();
1218
1219                         $istoday = false;
1220                         foreach($r as $rr) {
1221                                 if(strlen($rr['name']))
1222                                         $total ++;
1223                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1224                                         $istoday = true;
1225                         }
1226                         $classtoday = $istoday ? ' birthday-today ' : '';
1227                         if($total) {
1228                                 foreach($r as &$rr) {
1229                                         if(! strlen($rr['name']))
1230                                                 continue;
1231
1232                                         // avoid duplicates
1233
1234                                         if(in_array($rr['cid'],$cids))
1235                                                 continue;
1236                                         $cids[] = $rr['cid'];
1237
1238                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1239                                         $sparkle = '';
1240                                         $url = $rr['url'];
1241                                         if($rr['network'] === NETWORK_DFRN) {
1242                                                 $sparkle = " sparkle";
1243                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1244                                         }
1245
1246                                         $rr['link'] = $url;
1247                                         $rr['title'] = $rr['name'];
1248                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1249                                         $rr['startime'] = Null;
1250                                         $rr['today'] = $today;
1251
1252                                 }
1253                         }
1254                 }
1255                 $tpl = get_markup_template("birthdays_reminder.tpl");
1256                 return replace_macros($tpl, array(
1257                         '$baseurl' => $a->get_baseurl(),
1258                         '$classtoday' => $classtoday,
1259                         '$count' => $total,
1260                         '$event_reminders' => t('Birthday Reminders'),
1261                         '$event_title' => t('Birthdays this week:'),
1262                         '$events' => $r,
1263                 ));
1264         }
1265 }
1266
1267
1268 if(! function_exists('get_events')) {
1269         function get_events() {
1270
1271                 require_once('include/bbcode.php');
1272
1273                 $a = get_app();
1274
1275                 if(! local_user())
1276                         return $o;
1277
1278                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1279                 $bd_short = t('F d');
1280
1281                 $r = q("SELECT `event`.* FROM `event`
1282                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1283                                 ORDER BY `start` ASC ",
1284                                 intval(local_user()),
1285                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1286                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1287                 );
1288
1289                 if($r && count($r)) {
1290                         $now = strtotime('now');
1291                         $istoday = false;
1292                         foreach($r as $rr) {
1293                                 if(strlen($rr['name']))
1294                                         $total ++;
1295
1296                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1297                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1298                                         $istoday = true;
1299                         }
1300                         $classtoday = (($istoday) ? 'event-today' : '');
1301
1302
1303                         foreach($r as &$rr) {
1304                                 if($rr['adjust'])
1305                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1306                                 else
1307                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1308                                 $md .= "/#link-".$rr['id'];
1309
1310                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1311                                 if(! $title)
1312                                         $title = t('[No description]');
1313
1314                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1315                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1316
1317                                 $rr['link'] = $md;
1318                                 $rr['title'] = $title;
1319                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1320                                 $rr['startime'] = $strt;
1321                                 $rr['today'] = $today;
1322                         }
1323                 }
1324
1325                 $tpl = get_markup_template("events_reminder.tpl");
1326                 return replace_macros($tpl, array(
1327                         '$baseurl' => $a->get_baseurl(),
1328                         '$classtoday' => $classtoday,
1329                         '$count' => count($r),
1330                         '$event_reminders' => t('Event Reminders'),
1331                         '$event_title' => t('Events this week:'),
1332                         '$events' => $r,
1333                 ));
1334         }
1335 }
1336
1337
1338 /**
1339  *
1340  * Wrap calls to proc_close(proc_open()) and call hook
1341  * so plugins can take part in process :)
1342  *
1343  * args:
1344  * $cmd program to run
1345  *  next args are passed as $cmd command line
1346  *
1347  * e.g.: proc_run("ls","-la","/tmp");
1348  *
1349  * $cmd and string args are surrounded with ""
1350  */
1351
1352 if(! function_exists('proc_run')) {
1353         function proc_run($cmd){
1354
1355                 $a = get_app();
1356
1357                 $args = func_get_args();
1358
1359                 $newargs = array();
1360                 if(! count($args))
1361                         return;
1362
1363                 // expand any arrays
1364
1365                 foreach($args as $arg) {
1366                         if(is_array($arg)) {
1367                                 foreach($arg as $n) {
1368                                         $newargs[] = $n;
1369                                 }
1370                         }
1371                         else
1372                                 $newargs[] = $arg;
1373                 }
1374
1375                 $args = $newargs;
1376
1377                 $arr = array('args' => $args, 'run_cmd' => true);
1378
1379                 call_hooks("proc_run", $arr);
1380                 if(! $arr['run_cmd'])
1381                         return;
1382
1383                 if(count($args) && $args[0] === 'php')
1384                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1385                 foreach ($args as $arg){
1386                         $arg = escapeshellarg($arg);
1387                 }
1388                 $cmdline = implode($args," ");
1389                 proc_close(proc_open($cmdline." &",array(),$foo));
1390         }
1391 }
1392
1393 if(! function_exists('current_theme')) {
1394         function current_theme(){
1395                 $app_base_themes = array('duepuntozero', 'loozah');
1396
1397                 $a = get_app();
1398
1399                 $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1400                 $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1401
1402                 if($theme_name &&
1403                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1404                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1405                         return($theme_name);
1406
1407                 foreach($app_base_themes as $t) {
1408                         if(file_exists('view/theme/' . $t . '/style.css')||
1409                                         file_exists('view/theme/' . $t . '/style.php'))
1410                                 return($t);
1411                 }
1412
1413                 $fallback = glob('view/theme/*/style.[css|php]');
1414                 if(count($fallback))
1415                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1416
1417         }
1418 }
1419
1420 /*
1421  * Return full URL to theme which is currently in effect.
1422 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1423 */
1424 if(! function_exists('current_theme_url')) {
1425         function current_theme_url() {
1426                 global $a;
1427                 $t = current_theme();
1428                 if (file_exists('view/theme/' . $t . '/style.php'))
1429                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1430                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1431         }
1432 }
1433
1434 if(! function_exists('feed_birthday')) {
1435         function feed_birthday($uid,$tz) {
1436
1437                 /**
1438                  *
1439                  * Determine the next birthday, but only if the birthday is published
1440                  * in the default profile. We _could_ also look for a private profile that the
1441                  * recipient can see, but somebody could get mad at us if they start getting
1442                  * public birthday greetings when they haven't made this info public.
1443                  *
1444                  * Assuming we are able to publish this info, we are then going to convert
1445                  * the start time from the owner's timezone to UTC.
1446                  *
1447                  * This will potentially solve the problem found with some social networks
1448                  * where birthdays are converted to the viewer's timezone and salutations from
1449                  * elsewhere in the world show up on the wrong day. We will convert it to the
1450                  * viewer's timezone also, but first we are going to convert it from the birthday
1451                  * person's timezone to GMT - so the viewer may find the birthday starting at
1452                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1453                  *
1454                  */
1455
1456
1457                 $birthday = '';
1458
1459                 if(! strlen($tz))
1460                         $tz = 'UTC';
1461
1462                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1463                                 intval($uid)
1464                 );
1465
1466                 if($p && count($p)) {
1467                         $tmp_dob = substr($p[0]['dob'],5);
1468                         if(intval($tmp_dob)) {
1469                                 $y = datetime_convert($tz,$tz,'now','Y');
1470                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1471                                 $t_dob = strtotime($bd);
1472                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1473                                 if($t_dob < $now)
1474                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1475                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1476                         }
1477                 }
1478
1479                 return $birthday;
1480         }
1481 }
1482
1483 if(! function_exists('is_site_admin')) {
1484         function is_site_admin() {
1485                 $a = get_app();
1486                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1487                         return true;
1488                 return false;
1489         }
1490 }
1491
1492
1493 if(! function_exists('load_contact_links')) {
1494         function load_contact_links($uid) {
1495
1496                 $a = get_app();
1497
1498                 $ret = array();
1499
1500                 if(! $uid || x($a->contacts,'empty'))
1501                         return;
1502
1503                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1504                                 intval($uid)
1505                 );
1506                 if(count($r)) {
1507                         foreach($r as $rr){
1508                                 $url = normalise_link($rr['url']);
1509                                 $ret[$url] = $rr;
1510                         }
1511                 }
1512                 else
1513                         $ret['empty'] = true;
1514                 $a->contacts = $ret;
1515                 return;
1516         }
1517 }
1518
1519 if(! function_exists('profile_tabs')){
1520         function profile_tabs($a, $is_owner=False, $nickname=Null){
1521                 //echo "<pre>"; var_dump($a->user); killme();
1522
1523                 if (is_null($nickname))
1524                         $nickname  = $a->user['nickname'];
1525
1526                 if(x($_GET,'tab'))
1527                         $tab = notags(trim($_GET['tab']));
1528
1529                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1530
1531                 $tabs = array(
1532                         array(
1533                                 'label'=>t('Status'),
1534                                 'url' => $url,
1535                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1536                                 'title' => t('Status Messages and Posts'),
1537                         ),
1538                         array(
1539                                 'label' => t('Profile'),
1540                                 'url'   => $url.'/?tab=profile',
1541                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1542                                 'title' => t('Profile Details'),
1543                         ),
1544                         array(
1545                                 'label' => t('Photos'),
1546                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1547                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1548                                 'title' => t('Photo Albums'),
1549                         ),
1550                 );
1551
1552                 if ($is_owner){
1553                         $tabs[] = array(
1554                                 'label' => t('Events'),
1555                                 'url'   => $a->get_baseurl() . '/events',
1556                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1557                                 'title' => t('Events and Calendar'),
1558                         );
1559                         $tabs[] = array(
1560                                 'label' => t('Personal Notes'),
1561                                 'url'   => $a->get_baseurl() . '/notes',
1562                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1563                                 'title' => t('Only You Can See This'),
1564                         );
1565                 }
1566
1567
1568                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1569                 call_hooks('profile_tabs', $arr);
1570
1571                 $tpl = get_markup_template('common_tabs.tpl');
1572
1573                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1574         }
1575 }
1576
1577 function get_my_url() {
1578         if(x($_SESSION,'my_url'))
1579                 return $_SESSION['my_url'];
1580         return false;
1581 }
1582
1583 function zrl_init(&$a) {
1584         $tmp_str = get_my_url();
1585         if(validate_url($tmp_str)) {
1586                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1587                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1588                 call_hooks('zrl_init',$arr);
1589         }
1590 }
1591
1592 function zrl($s,$force = false) {
1593         if(! strlen($s))
1594                 return $s;
1595         if((! strpos($s,'/profile/')) && (! $force))
1596                 return $s;
1597         if($force && substr($s,-1,1) !== '/')
1598                 $s = $s . '/';
1599         $achar = strpos($s,'?') ? '&' : '?';
1600         $mine = get_my_url();
1601         if($mine and ! link_compare($mine,$s))
1602                 return $s . $achar . 'zrl=' . urlencode($mine);
1603         return $s;
1604 }
1605
1606 /**
1607 * returns querystring as string from a mapped array
1608 *
1609 * @param params Array
1610 * @return string
1611 */
1612 function build_querystring($params, $name=null) {
1613     $ret = "";
1614     foreach($params as $key=>$val) {
1615         if(is_array($val)) {
1616             if($name==null) {
1617                 $ret .= build_querystring($val, $key);
1618             } else {
1619                 $ret .= build_querystring($val, $name."[$key]");
1620             }
1621         } else {
1622             $val = urlencode($val);
1623             if($name!=null) {
1624                 $ret.=$name."[$key]"."=$val&";
1625             } else {
1626                 $ret.= "$key=$val&";
1627             }
1628         }
1629     }
1630     return $ret;
1631 }