]> git.mxchange.org Git - friendica.git/blob - boot.php
Merge branch 'master' of https://github.com/friendica/friendica into threaded_items
[friendica.git] / boot.php
1 <?php
2
3 require_once('include/config.php');
4 require_once('include/network.php');
5 require_once('include/plugin.php');
6 require_once('include/text.php');
7 require_once('include/datetime.php');
8 require_once('include/pgettext.php');
9 require_once('include/nav.php');
10 require_once('include/cache.php');
11 require_once('library/Mobile_Detect/Mobile_Detect.php');
12
13 define ( 'FRIENDICA_PLATFORM',     'Friendica');
14 define ( 'FRIENDICA_VERSION',      '3.0.1431' );
15 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
16 define ( 'DB_UPDATE_VERSION',      1154      );
17
18 define ( 'EOL',                    "<br />\r\n"     );
19 define ( 'ATOM_TIME',              'Y-m-d\TH:i:s\Z' );
20
21
22 /**
23  *
24  * Image storage quality. Lower numbers save space at cost of image detail.
25  * For ease of upgrade, please do not change here. Change jpeg quality with
26  * $a->config['system']['jpeg_quality'] = n;
27  * in .htconfig.php, where n is netween 1 and 100, and with very poor results
28  * below about 50
29  *
30  */
31
32 define ( 'JPEG_QUALITY',            100  );
33 /**
34  * $a->config['system']['png_quality'] from 0 (uncompressed) to 9
35  */
36 define ( 'PNG_QUALITY',             8  );
37
38 /**
39  *
40  * An alternate way of limiting picture upload sizes. Specify the maximum pixel
41  * length that pictures are allowed to be (for non-square pictures, it will apply
42  * to the longest side). Pictures longer than this length will be resized to be
43  * this length (on the longest side, the other side will be scaled appropriately).
44  * Modify this value using
45  *
46  *    $a->config['system']['max_image_length'] = n;
47  *
48  * in .htconfig.php
49  *
50  * If you don't want to set a maximum length, set to -1. The default value is
51  * defined by 'MAX_IMAGE_LENGTH' below.
52  *
53  */
54 define ( 'MAX_IMAGE_LENGTH',        -1  );
55
56
57 /**
58  * Not yet used
59  */
60
61 define ( 'DEFAULT_DB_ENGINE',  'MyISAM'  );
62
63 /**
64  * SSL redirection policies
65  */
66
67 define ( 'SSL_POLICY_NONE',         0 );
68 define ( 'SSL_POLICY_FULL',         1 );
69 define ( 'SSL_POLICY_SELFSIGN',     2 );
70
71
72 /**
73  * log levels
74  */
75
76 define ( 'LOGGER_NORMAL',          0 );
77 define ( 'LOGGER_TRACE',           1 );
78 define ( 'LOGGER_DEBUG',           2 );
79 define ( 'LOGGER_DATA',            3 );
80 define ( 'LOGGER_ALL',             4 );
81
82 /**
83  * registration policies
84  */
85
86 define ( 'REGISTER_CLOSED',        0 );
87 define ( 'REGISTER_APPROVE',       1 );
88 define ( 'REGISTER_OPEN',          2 );
89
90 /**
91  * relationship types
92  */
93
94 define ( 'CONTACT_IS_FOLLOWER', 1);
95 define ( 'CONTACT_IS_SHARING',  2);
96 define ( 'CONTACT_IS_FRIEND',   3);
97
98
99 /**
100  * DB update return values
101  */
102
103 define ( 'UPDATE_SUCCESS', 0);
104 define ( 'UPDATE_FAILED',  1);
105
106
107 /**
108  *
109  * page/profile types
110  *
111  * PAGE_NORMAL is a typical personal profile account
112  * PAGE_SOAPBOX automatically approves all friend requests as CONTACT_IS_SHARING, (readonly)
113  * PAGE_COMMUNITY automatically approves all friend requests as CONTACT_IS_SHARING, but with
114  *      write access to wall and comments (no email and not included in page owner's ACL lists)
115  * PAGE_FREELOVE automatically approves all friend requests as full friends (CONTACT_IS_FRIEND).
116  *
117  */
118
119 define ( 'PAGE_NORMAL',            0 );
120 define ( 'PAGE_SOAPBOX',           1 );
121 define ( 'PAGE_COMMUNITY',         2 );
122 define ( 'PAGE_FREELOVE',          3 );
123 define ( 'PAGE_BLOG',              4 );
124 define ( 'PAGE_PRVGROUP',          5 );
125
126 /**
127  * Network and protocol family types
128  */
129
130 define ( 'NETWORK_DFRN',             'dfrn');    // Friendica, Mistpark, other DFRN implementations
131 define ( 'NETWORK_ZOT',              'zot!');    // Zot!
132 define ( 'NETWORK_OSTATUS',          'stat');    // status.net, identi.ca, GNU-social, other OStatus implementations
133 define ( 'NETWORK_FEED',             'feed');    // RSS/Atom feeds with no known "post/notify" protocol
134 define ( 'NETWORK_DIASPORA',         'dspr');    // Diaspora
135 define ( 'NETWORK_MAIL',             'mail');    // IMAP/POP
136 define ( 'NETWORK_MAIL2',            'mai2');    // extended IMAP/POP
137 define ( 'NETWORK_FACEBOOK',         'face');    // Facebook API
138 define ( 'NETWORK_LINKEDIN',         'lnkd');    // LinkedIn
139 define ( 'NETWORK_XMPP',             'xmpp');    // XMPP
140 define ( 'NETWORK_MYSPACE',          'mysp');    // MySpace
141 define ( 'NETWORK_GPLUS',            'goog');    // Google+
142
143 define ( 'NETWORK_PHANTOM',          'unkn');    // Place holder
144
145 /**
146  * These numbers are used in stored permissions
147  * and existing allocations MUST NEVER BE CHANGED
148  * OR RE-ASSIGNED! You may only add to them.
149  */
150
151 $netgroup_ids = array(
152         NETWORK_DFRN     => (-1),
153         NETWORK_ZOT      => (-2),
154         NETWORK_OSTATUS  => (-3),
155         NETWORK_FEED     => (-4),
156         NETWORK_DIASPORA => (-5),
157         NETWORK_MAIL     => (-6),
158         NETWORK_MAIL2    => (-7),
159         NETWORK_FACEBOOK => (-8),
160         NETWORK_LINKEDIN => (-9),
161         NETWORK_XMPP     => (-10),
162         NETWORK_MYSPACE  => (-11),
163         NETWORK_GPLUS    => (-12),
164
165         NETWORK_PHANTOM  => (-127),
166 );
167
168
169 /**
170  * Maximum number of "people who like (or don't like) this"  that we will list by name
171  */
172
173 define ( 'MAX_LIKERS',    75);
174
175 /**
176  * Communication timeout
177  */
178
179 define ( 'ZCURL_TIMEOUT' , (-1));
180
181
182 /**
183  * email notification options
184  */
185
186 define ( 'NOTIFY_INTRO',    0x0001 );
187 define ( 'NOTIFY_CONFIRM',  0x0002 );
188 define ( 'NOTIFY_WALL',     0x0004 );
189 define ( 'NOTIFY_COMMENT',  0x0008 );
190 define ( 'NOTIFY_MAIL',     0x0010 );
191 define ( 'NOTIFY_SUGGEST',  0x0020 );
192 define ( 'NOTIFY_PROFILE',  0x0040 );
193 define ( 'NOTIFY_TAGSELF',  0x0080 );
194 define ( 'NOTIFY_TAGSHARE', 0x0100 );
195 define ( 'NOTIFY_POKE',     0x0200 );
196
197 define ( 'NOTIFY_SYSTEM',   0x8000 );
198
199
200 /**
201  * Tag/term types
202  */
203
204 define ( 'TERM_UNKNOWN',   0 );
205 define ( 'TERM_HASHTAG',   1 );
206 define ( 'TERM_MENTION',   2 );   
207 define ( 'TERM_CATEGORY',  3 );
208 define ( 'TERM_PCATEGORY', 4 );
209 define ( 'TERM_FILE',      5 );
210
211 define ( 'TERM_OBJ_POST',  1 );
212 define ( 'TERM_OBJ_PHOTO', 2 );
213
214
215
216 /**
217  * various namespaces we may need to parse
218  */
219
220 define ( 'NAMESPACE_ZOT',             'http://purl.org/zot' );
221 define ( 'NAMESPACE_DFRN' ,           'http://purl.org/macgirvin/dfrn/1.0' );
222 define ( 'NAMESPACE_THREAD' ,         'http://purl.org/syndication/thread/1.0' );
223 define ( 'NAMESPACE_TOMB' ,           'http://purl.org/atompub/tombstones/1.0' );
224 define ( 'NAMESPACE_ACTIVITY',        'http://activitystrea.ms/spec/1.0/' );
225 define ( 'NAMESPACE_ACTIVITY_SCHEMA', 'http://activitystrea.ms/schema/1.0/' );
226 define ( 'NAMESPACE_MEDIA',           'http://purl.org/syndication/atommedia' );
227 define ( 'NAMESPACE_SALMON_ME',       'http://salmon-protocol.org/ns/magic-env' );
228 define ( 'NAMESPACE_OSTATUSSUB',      'http://ostatus.org/schema/1.0/subscribe' );
229 define ( 'NAMESPACE_GEORSS',          'http://www.georss.org/georss' );
230 define ( 'NAMESPACE_POCO',            'http://portablecontacts.net/spec/1.0' );
231 define ( 'NAMESPACE_FEED',            'http://schemas.google.com/g/2010#updates-from' );
232 define ( 'NAMESPACE_OSTATUS',         'http://ostatus.org/schema/1.0' );
233 define ( 'NAMESPACE_STATUSNET',       'http://status.net/schema/api/1/' );
234 define ( 'NAMESPACE_ATOM1',           'http://www.w3.org/2005/Atom' );
235 /**
236  * activity stream defines
237  */
238
239 define ( 'ACTIVITY_LIKE',        NAMESPACE_ACTIVITY_SCHEMA . 'like' );
240 define ( 'ACTIVITY_DISLIKE',     NAMESPACE_DFRN            . '/dislike' );
241 define ( 'ACTIVITY_OBJ_HEART',   NAMESPACE_DFRN            . '/heart' );
242
243 define ( 'ACTIVITY_FRIEND',      NAMESPACE_ACTIVITY_SCHEMA . 'make-friend' );
244 define ( 'ACTIVITY_REQ_FRIEND',  NAMESPACE_ACTIVITY_SCHEMA . 'request-friend' );
245 define ( 'ACTIVITY_UNFRIEND',    NAMESPACE_ACTIVITY_SCHEMA . 'remove-friend' );
246 define ( 'ACTIVITY_FOLLOW',      NAMESPACE_ACTIVITY_SCHEMA . 'follow' );
247 define ( 'ACTIVITY_UNFOLLOW',    NAMESPACE_ACTIVITY_SCHEMA . 'stop-following' );
248 define ( 'ACTIVITY_JOIN',        NAMESPACE_ACTIVITY_SCHEMA . 'join' );
249
250 define ( 'ACTIVITY_POST',        NAMESPACE_ACTIVITY_SCHEMA . 'post' );
251 define ( 'ACTIVITY_UPDATE',      NAMESPACE_ACTIVITY_SCHEMA . 'update' );
252 define ( 'ACTIVITY_TAG',         NAMESPACE_ACTIVITY_SCHEMA . 'tag' );
253 define ( 'ACTIVITY_FAVORITE',    NAMESPACE_ACTIVITY_SCHEMA . 'favorite' );
254
255 define ( 'ACTIVITY_POKE',        NAMESPACE_ZOT . '/activity/poke' );
256
257 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
258 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
259 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
260 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
261 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
262 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
263 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
264 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
265 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
266 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
267
268 /**
269  * item weight for query ordering
270  */
271
272 define ( 'GRAVITY_PARENT',       0);
273 define ( 'GRAVITY_LIKE',         3);
274 define ( 'GRAVITY_COMMENT',      6);
275
276 /**
277  *
278  * Reverse the effect of magic_quotes_gpc if it is enabled.
279  * Please disable magic_quotes_gpc so we don't have to do this.
280  * See http://php.net/manual/en/security.magicquotes.disabling.php
281  *
282  */
283
284 function startup() {
285         error_reporting(E_ERROR | E_WARNING | E_PARSE);
286         set_time_limit(0);
287
288         // This has to be quite large to deal with embedded private photos
289         ini_set('pcre.backtrack_limit', 500000);
290
291
292         if (get_magic_quotes_gpc()) {
293                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
294                 while (list($key, $val) = each($process)) {
295                         foreach ($val as $k => $v) {
296                                 unset($process[$key][$k]);
297                                 if (is_array($v)) {
298                                         $process[$key][stripslashes($k)] = $v;
299                                         $process[] = &$process[$key][stripslashes($k)];
300                                 } else {
301                                         $process[$key][stripslashes($k)] = stripslashes($v);
302                                 }
303                         }
304                 }
305                 unset($process);
306         }
307
308 }
309
310 /**
311  *
312  * class: App
313  *
314  * Our main application structure for the life of this page
315  * Primarily deals with the URL that got us here
316  * and tries to make some sense of it, and
317  * stores our page contents and config storage
318  * and anything else that might need to be passed around
319  * before we spit the page out.
320  *
321  */
322
323 if(! class_exists('App')) {
324         class App {
325
326                 public  $module_loaded = false;
327                 public  $query_string;
328                 public  $config;
329                 public  $page;
330                 public  $profile;
331                 public  $user;
332                 public  $cid;
333                 public  $contact;
334                 public  $contacts;
335                 public  $page_contact;
336                 public  $content;
337                 public  $data = array();
338                 public  $error = false;
339                 public  $cmd;
340                 public  $argv;
341                 public  $argc;
342                 public  $module;
343                 public  $pager;
344                 public  $strings;
345                 public  $path;
346                 public  $hooks;
347                 public  $timezone;
348                 public  $interactive = true;
349                 public  $plugins;
350                 public  $apps = array();
351                 public  $identities;
352         
353                 public $nav_sel;
354
355                 public $category;
356
357                 // Allow themes to control internal parameters
358                 // by changing App values in theme.php
359                 //
360                 // Possibly should make these part of the plugin
361                 // system, but it seems like overkill to invoke
362                 // all the plugin machinery just to change a couple
363                 // of values
364                 public  $sourcename = '';
365                 public  $videowidth = 425;
366                 public  $videoheight = 350;
367                 public  $force_max_items = 0;
368
369                 private $scheme;
370                 private $hostname;
371                 private $baseurl;
372                 private $db;
373
374                 private $curl_code;
375                 private $curl_headers;
376
377                 private $cached_profile_image;
378                 private $cached_profile_picdate;
379                                                         
380                 function __construct() {
381
382                         global $default_timezone;
383
384                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
385
386                         date_default_timezone_set($this->timezone);
387
388                         $this->config = array();
389                         $this->page = array();
390                         $this->pager= array();
391
392                         $this->query_string = '';
393
394                         startup();
395
396                         $this->scheme = 'http';
397                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
398                                 $this->scheme = 'https';
399                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
400                         $this->scheme = 'https';
401
402
403                         if(x($_SERVER,'SERVER_NAME')) {
404                                 $this->hostname = $_SERVER['SERVER_NAME'];
405
406                                 // See bug 437 - this didn't work so disabling it
407                                 //if(stristr($this->hostname,'xn--')) {
408                                         // PHP or webserver may have converted idn to punycode, so
409                                         // convert punycode back to utf-8
410                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
411                                 //      $x = new idna_convert();
412                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
413                                 //}
414
415                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
416                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
417                                 /**
418                                  * Figure out if we are running at the top of a domain
419                                  * or in a sub-directory and adjust accordingly
420                                  */
421
422                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
423                                 if(isset($path) && strlen($path) && ($path != $this->path))
424                                         $this->path = $path;
425                         }
426
427                         set_include_path(
428                                         "include/$this->hostname" . PATH_SEPARATOR
429                                         . 'include' . PATH_SEPARATOR
430                                         . 'library' . PATH_SEPARATOR
431                                         . 'library/phpsec' . PATH_SEPARATOR
432                                         . 'library/langdet' . PATH_SEPARATOR
433                                         . '.' );
434
435                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
436                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
437                                 // removing trailing / - maybe a nginx problem
438                                 if (substr($this->query_string, 0, 1) == "/")
439                                         $this->query_string = substr($this->query_string, 1);
440                         }
441                         if(x($_GET,'q'))
442                                 $this->cmd = trim($_GET['q'],'/\\');
443
444                         // unix style "homedir"
445
446                         if(substr($this->cmd,0,1) === '~')
447                                 $this->cmd = 'profile/' . substr($this->cmd,1);
448
449                         // Diaspora style profile url
450
451                         if(substr($this->cmd,0,2) === 'u/')
452                                 $this->cmd = 'profile/' . substr($this->cmd,2);
453
454                         /**
455                          *
456                          * Break the URL path into C style argc/argv style arguments for our
457                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
458                          * will be 3 (integer) and $this->argv will contain:
459                          *   [0] => 'module'
460                          *   [1] => 'arg1'
461                          *   [2] => 'arg2'
462                          *
463                          *
464                          * There will always be one argument. If provided a naked domain
465                          * URL, $this->argv[0] is set to "home".
466                          *
467                          */
468
469                         $this->argv = explode('/',$this->cmd);
470                         $this->argc = count($this->argv);
471                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
472                                 $this->module = str_replace(".", "_", $this->argv[0]);
473                         }
474                         else {
475                                 $this->argc = 1;
476                                 $this->argv = array('home');
477                                 $this->module = 'home';
478                         }
479
480                         /**
481                          * Special handling for the webfinger/lrdd host XRD file
482                          */
483
484                         if($this->cmd === '.well-known/host-meta') {
485                                 $this->argc = 1;
486                                 $this->argv = array('hostxrd');
487                                 $this->module = 'hostxrd';
488                         }
489
490                         /**
491                          * See if there is any page number information, and initialise
492                          * pagination
493                          */
494
495                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
496                         $this->pager['itemspage'] = 50;
497                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
498                         if($this->pager['start'] < 0)
499                                 $this->pager['start'] = 0;
500                         $this->pager['total'] = 0;
501                 }
502
503                 function get_baseurl($ssl = false) {
504
505                         $scheme = $this->scheme;
506
507                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
508                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
509                                         $scheme = 'https';
510
511                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
512                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
513
514                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
515                                         if($ssl)
516                                                 $scheme = 'https';
517                                         else
518                                                 $scheme = 'http';
519                                 }
520                         }
521
522                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
523                         return $this->baseurl;
524                 }
525
526                 function set_baseurl($url) {
527                         $parsed = @parse_url($url);
528
529                         $this->baseurl = $url;
530
531                         if($parsed) {
532                                 $this->scheme = $parsed['scheme'];
533
534                                 $this->hostname = $parsed['host'];
535                                 if(x($parsed,'port'))
536                                         $this->hostname .= ':' . $parsed['port'];
537                                 if(x($parsed,'path'))
538                                         $this->path = trim($parsed['path'],'\\/');
539                         }
540
541                 }
542
543                 function get_hostname() {
544                         return $this->hostname;
545                 }
546
547                 function set_hostname($h) {
548                         $this->hostname = $h;
549                 }
550
551                 function set_path($p) {
552                         $this->path = trim(trim($p),'/');
553                 }
554
555                 function get_path() {
556                         return $this->path;
557                 }
558
559                 function set_pager_total($n) {
560                         $this->pager['total'] = intval($n);
561                 }
562
563                 function set_pager_itemspage($n) {
564                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
565                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
566
567                 }
568
569                 function init_pagehead() {
570                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
571                         if($interval < 10000)
572                                 $interval = 40000;
573
574                         $this->page['title'] = $this->config['sitename'];
575                         $tpl = get_markup_template('head.tpl');
576                         $this->page['htmlhead'] = replace_macros($tpl,array(
577                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
578                                 '$local_user' => local_user(),
579                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
580                                 '$delitem' => t('Delete this item?'),
581                                 '$comment' => t('Comment'),
582                                 '$showmore' => t('show more'),
583                                 '$showfewer' => t('show fewer'),
584                                 '$update_interval' => $interval
585                         ));
586                 }
587
588                 function init_page_end() {
589                         $tpl = get_markup_template('end.tpl');
590                         $this->page['end'] = replace_macros($tpl,array(
591                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
592                         ));
593                 }
594
595                 function set_curl_code($code) {
596                         $this->curl_code = $code;
597                 }
598
599                 function get_curl_code() {
600                         return $this->curl_code;
601                 }
602
603                 function set_curl_headers($headers) {
604                         $this->curl_headers = $headers;
605                 }
606
607                 function get_curl_headers() {
608                         return $this->curl_headers;
609                 }
610
611                 function get_cached_avatar_image($avatar_image){
612                         if($this->cached_profile_image[$avatar_image])
613                                 return $this->cached_profile_image[$avatar_image];
614
615                         $path_parts = explode("/",$avatar_image);
616                         $common_filename = $path_parts[count($path_parts)-1];
617
618                         if($this->cached_profile_picdate[$common_filename]){
619                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
620                         } else {
621                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
622                                         $common_filename);
623                                 if(! count($r)){
624                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
625                                 } else {
626                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
627                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
628                                 }
629                         }
630                         return $this->cached_profile_image[$avatar_image];
631                 }
632
633
634         }
635 }
636
637 // retrieve the App structure
638 // useful in functions which require it but don't get it passed to them
639
640 if(! function_exists('get_app')) {
641         function get_app() {
642                 global $a;
643                 return $a;
644         }
645 };
646
647
648 // Multi-purpose function to check variable state.
649 // Usage: x($var) or $x($array,'key')
650 // returns false if variable/key is not set
651 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
652 // e.g. x('') or x(0) returns 0;
653
654 if(! function_exists('x')) {
655         function x($s,$k = NULL) {
656                 if($k != NULL) {
657                         if((is_array($s)) && (array_key_exists($k,$s))) {
658                                 if($s[$k])
659                                         return (int) 1;
660                                 return (int) 0;
661                 }
662                         return false;
663                 }
664                 else {
665                         if(isset($s)) {
666                                 if($s) {
667                                         return (int) 1;
668                                 }
669                                 return (int) 0;
670                         }
671                         return false;
672                 }
673         }
674 }
675
676 // called from db initialisation if db is dead.
677
678 if(! function_exists('system_unavailable')) {
679         function system_unavailable() {
680                 include('system_unavailable.php');
681                 system_down();
682                 killme();
683         }
684 }
685
686
687
688 function clean_urls() {
689         global $a;
690         //      if($a->config['system']['clean_urls'])
691         return true;
692         //      return false;
693 }
694
695 function z_path() {
696         global $a;
697         $base = $a->get_baseurl();
698         if(! clean_urls())
699                 $base .= '/?q=';
700         return $base;
701 }
702
703 function z_root() {
704         global $a;
705         return $a->get_baseurl();
706 }
707
708 function absurl($path) {
709         if(strpos($path,'/') === 0)
710                 return z_path() . $path;
711         return $path;
712 }
713
714 function is_ajax() {
715         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
716 }
717
718
719 // Primarily involved with database upgrade, but also sets the
720 // base url for use in cmdline programs which don't have
721 // $_SERVER variables, and synchronising the state of installed plugins.
722
723
724 if(! function_exists('check_config')) {
725         function check_config(&$a) {
726
727                 $build = get_config('system','build');
728                 if(! x($build))
729                         $build = set_config('system','build',DB_UPDATE_VERSION);
730
731                 $url = get_config('system','url');
732
733                 // if the url isn't set or the stored url is radically different
734                 // than the currently visited url, store the current value accordingly.
735                 // "Radically different" ignores common variations such as http vs https
736                 // and www.example.com vs example.com.
737
738                 if((! x($url)) || (! link_compare($url,$a->get_baseurl())))
739                         $url = set_config('system','url',$a->get_baseurl());
740
741                 if($build != DB_UPDATE_VERSION) {
742                         $stored = intval($build);
743                         $current = intval(DB_UPDATE_VERSION);
744                         if(($stored < $current) && file_exists('update.php')) {
745
746                                 load_config('database');
747
748                                 // We're reporting a different version than what is currently installed.
749                                 // Run any existing update scripts to bring the database up to current.
750
751                                 require_once('update.php');
752
753                                 // make sure that boot.php and update.php are the same release, we might be
754                                 // updating right this very second and the correct version of the update.php
755                                 // file may not be here yet. This can happen on a very busy site.
756
757                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
758
759                                         for($x = $stored; $x < $current; $x ++) {
760                                                 if(function_exists('update_' . $x)) {
761
762                                                         // There could be a lot of processes running or about to run.
763                                                         // We want exactly one process to run the update command.
764                                                         // So store the fact that we're taking responsibility
765                                                         // after first checking to see if somebody else already has.
766
767                                                         // If the update fails or times-out completely you may need to
768                                                         // delete the config entry to try again.
769
770                                                         $t = get_config('database','update_' . $x);
771                                                         if($t !== false)
772                                                                 break;
773                                                         set_config('database','update_' . $x, time());
774
775                                                         // call the specific update
776
777                                                         $func = 'update_' . $x;
778                                                         $retval = $func();
779                                                         if($retval) {
780                                                                 //send the administrator an e-mail
781                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
782                                                                 $email_msg = replace_macros($email_tpl, array(
783                                                                         '$sitename' => $a->config['sitename'],
784                                                                         '$siteurl' =>  $a->get_baseurl(),
785                                                                         '$update' => $x,
786                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
787                                                                 ));
788                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
789                                                                         
790                                                                 mail($a->config['admin_email'], $subject, $email_msg,
791                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
792                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
793                                                                         . 'Content-transfer-encoding: 8bit' );
794                                                                 //try the logger
795                                                                 logger('CRITICAL: Update Failed: '. $x);
796                                                                 break;
797                                                         }
798                                                         else {
799                                                                 set_config('database','update_' . $x, 'success');
800                                                                 set_config('system','build', $x + 1);
801                                                         }                                                               
802                                                 }
803                                         }
804                                 }
805                         }
806                 }
807
808                 /**
809                  *
810                  * Synchronise plugins:
811                  *
812                  * $a->config['system']['addon'] contains a comma-separated list of names
813                  * of plugins/addons which are used on this system.
814                  * Go through the database list of already installed addons, and if we have
815                  * an entry, but it isn't in the config list, call the uninstall procedure
816                  * and mark it uninstalled in the database (for now we'll remove it).
817                  * Then go through the config list and if we have a plugin that isn't installed,
818                  * call the install procedure and add it to the database.
819                  *
820                  */
821
822                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
823                 if(count($r))
824                         $installed = $r;
825                 else
826                         $installed = array();
827
828                 $plugins = get_config('system','addon');
829                 $plugins_arr = array();
830
831                 if($plugins)
832                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
833
834                 $a->plugins = $plugins_arr;
835
836                 $installed_arr = array();
837
838                 if(count($installed)) {
839                         foreach($installed as $i) {
840                                 if(! in_array($i['name'],$plugins_arr)) {
841                                         uninstall_plugin($i['name']);
842                                 }
843                                 else {
844                                         $installed_arr[] = $i['name'];
845                                 }
846                         }
847                 }
848
849                 if(count($plugins_arr)) {
850                         foreach($plugins_arr as $p) {
851                                 if(! in_array($p,$installed_arr)) {
852                                         install_plugin($p);
853                                 }
854                         }
855                 }
856
857
858                 load_hooks();
859
860                 return;
861         }
862 }
863
864
865 function get_guid($size=16) {
866         $exists = true; // assume by default that we don't have a unique guid
867         do {
868                 $s = random_string($size);
869                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
870                 if(! count($r))
871                         $exists = false;
872         } while($exists);
873         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
874         return $s;
875 }
876
877
878 // wrapper for adding a login box. If $register == true provide a registration
879 // link. This will most always depend on the value of $a->config['register_policy'].
880 // returns the complete html for inserting into the page
881
882 if(! function_exists('login')) {
883         function login($register = false, $hiddens=false) {
884                 $a = get_app();
885                 $o = "";
886                 $reg = false;
887                 if ($register) {
888                         $reg = array(
889                                 'title' => t('Create a New Account'),
890                                 'desc' => t('Register')
891                         );
892                 }
893
894                 $noid = get_config('system','no_openid');
895         
896                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
897
898                 if(local_user()) {
899                         $tpl = get_markup_template("logout.tpl");
900                 }
901                 else {
902                         $tpl = get_markup_template("login.tpl");
903                         $_SESSION['return_url'] = $a->query_string;
904                 }
905
906
907                 $o .= replace_macros($tpl,array(
908
909                         '$dest_url'     => $dest_url,
910                         '$logout'       => t('Logout'),
911                         '$login'        => t('Login'),
912         
913                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
914                         '$lpassword'    => array('password', t('Password: '), '', ''),
915         
916                         '$openid'               => !$noid,
917                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
918         
919                         '$hiddens'      => $hiddens,
920         
921                         '$register'     => $reg,
922         
923                         '$lostpass'     => t('Forgot your password?'),
924                         '$lostlink'     => t('Password Reset'),
925                 ));
926
927                 call_hooks('login_hook',$o);
928
929                 return $o;
930         }
931 }
932
933 // Used to end the current process, after saving session state.
934
935 if(! function_exists('killme')) {
936         function killme() {
937                 session_write_close();
938                 exit;
939         }
940 }
941
942 // redirect to another URL and terminate this process.
943
944 if(! function_exists('goaway')) {
945         function goaway($s) {
946                 header("Location: $s");
947                 killme();
948         }
949 }
950
951
952 // Returns the uid of locally logged in user or false.
953
954 if(! function_exists('local_user')) {
955         function local_user() {
956                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
957                         return intval($_SESSION['uid']);
958                 return false;
959         }
960 }
961
962 // Returns contact id of authenticated site visitor or false
963
964 if(! function_exists('remote_user')) {
965         function remote_user() {
966                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
967                         return intval($_SESSION['visitor_id']);
968                 return false;
969         }
970 }
971
972 // contents of $s are displayed prominently on the page the next time
973 // a page is loaded. Usually used for errors or alerts.
974
975 if(! function_exists('notice')) {
976         function notice($s) {
977                 $a = get_app();
978                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
979                 if($a->interactive)
980                         $_SESSION['sysmsg'][] = $s;
981         }
982 }
983 if(! function_exists('info')) {
984         function info($s) {
985                 $a = get_app();
986                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
987                 if($a->interactive)
988                         $_SESSION['sysmsg_info'][] = $s;
989         }
990 }
991
992
993 // wrapper around config to limit the text length of an incoming message
994
995 if(! function_exists('get_max_import_size')) {
996         function get_max_import_size() {
997                 global $a;
998                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
999         }
1000 }
1001
1002
1003
1004 /**
1005  *
1006  * Function : profile_load
1007  * @parameter App    $a
1008  * @parameter string $nickname
1009  * @parameter int    $profile
1010  *
1011  * Summary: Loads a profile into the page sidebar.
1012  * The function requires a writeable copy of the main App structure, and the nickname
1013  * of a registered local account.
1014  *
1015  * If the viewer is an authenticated remote viewer, the profile displayed is the
1016  * one that has been configured for his/her viewing in the Contact manager.
1017  * Passing a non-zero profile ID can also allow a preview of a selected profile
1018  * by the owner.
1019  *
1020  * Profile information is placed in the App structure for later retrieval.
1021  * Honours the owner's chosen theme for display.
1022  *
1023  */
1024
1025 if(! function_exists('profile_load')) {
1026         function profile_load(&$a, $nickname, $profile = 0) {
1027                 if(remote_user()) {
1028                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1029                                         intval($_SESSION['visitor_id']));
1030                         if(count($r))
1031                                 $profile = $r[0]['profile-id'];
1032                 }
1033
1034                 $r = null;
1035                           
1036                 if($profile) {
1037                         $profile_int = intval($profile);
1038                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1039                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1040                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1041                                         dbesc($nickname),
1042                                         intval($profile_int)
1043                         );
1044                 }
1045                 if((! $r) && (!  count($r))) {
1046                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1047                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1048                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1049                                         dbesc($nickname)
1050                         );
1051                 }
1052
1053                 if(($r === false) || (! count($r))) {
1054                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1055                         notice( t('Requested profile is not available.') . EOL );
1056                         $a->error = 404;
1057                         return;
1058                 }
1059         
1060                 // fetch user tags if this isn't the default profile
1061
1062                 if(! $r[0]['is-default']) {
1063                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1064                                         intval($profile_uid)
1065                         );
1066                         if($x && count($x))
1067                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1068                 }
1069
1070                 $a->profile = $r[0];
1071
1072
1073                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1074                 $_SESSION['theme'] = $a->profile['theme'];
1075
1076                 /**
1077                  * load/reload current theme info
1078                  */
1079
1080                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1081                 if (file_exists($theme_info_file)){
1082                         require_once($theme_info_file);
1083                 }
1084
1085                 if(! (x($a->page,'aside')))
1086                         $a->page['aside'] = '';
1087
1088                 if(local_user() && local_user() == $a->profile['uid']) {
1089                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1090                                 '$editprofile' => t('Edit profile'),
1091                                 '$profid' => $a->profile['id']
1092                         ));
1093                 }
1094
1095                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1096
1097                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1098
1099                 /*if(! $block)
1100                  $a->page['aside'] .= contact_block();*/
1101
1102                 return;
1103         }
1104 }
1105
1106
1107 /**
1108  *
1109  * Function: profile_sidebar
1110  *
1111  * Formats a profile for display in the sidebar.
1112  * It is very difficult to templatise the HTML completely
1113  * because of all the conditional logic.
1114  *
1115  * @parameter: array $profile
1116  *
1117  * Returns HTML string stuitable for sidebar inclusion
1118  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1119  *
1120  */
1121
1122
1123 if(! function_exists('profile_sidebar')) {
1124         function profile_sidebar($profile, $block = 0) {
1125
1126                 $a = get_app();
1127
1128                 $o = '';
1129                 $location = false;
1130                 $address = false;
1131                 $pdesc = true;
1132
1133                 if((! is_array($profile)) && (! count($profile)))
1134                         return $o;
1135
1136                 $profile['picdate'] = urlencode($profile['picdate']);
1137
1138                 call_hooks('profile_sidebar_enter', $profile);
1139
1140         
1141                 // don't show connect link to yourself
1142                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1143
1144                 // don't show connect link to authenticated visitors either
1145
1146                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1147                         $connect = False;
1148
1149                 if(get_my_url() && $profile['unkmail'])
1150                         $wallmessage = t('Message');
1151                 else
1152                         $wallmessage = false;
1153
1154
1155
1156                 // show edit profile to yourself
1157                 if ($profile['uid'] == local_user()) {
1158                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1159                 
1160                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1161                                         local_user());
1162                 
1163                         $profile['menu'] = array(
1164                                 'chg_photo' => t('Change profile photo'),
1165                                 'cr_new' => t('Create New Profile'),
1166                                 'entries' => array(),
1167                         );
1168
1169                         if(count($r)) {
1170
1171                                 foreach($r as $rr) {
1172                                         $profile['menu']['entries'][] = array(
1173                                                 'photo' => $rr['thumb'],
1174                                                 'id' => $rr['id'],
1175                                                 'alt' => t('Profile Image'),
1176                                                 'profile_name' => $rr['profile-name'],
1177                                                 'isdefault' => $rr['is-default'],
1178                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1179                                                 'edit_visibility' => t('Edit visibility'),
1180
1181                                         );
1182                                 }
1183
1184
1185                         }
1186
1187
1188                 }
1189
1190
1191
1192         
1193                 if((x($profile,'address') == 1)
1194                                 || (x($profile,'locality') == 1)
1195                                 || (x($profile,'region') == 1)
1196                                 || (x($profile,'postal-code') == 1)
1197                                 || (x($profile,'country-name') == 1))
1198                         $location = t('Location:');
1199
1200                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1201
1202
1203                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1204
1205                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1206
1207                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1208                         $location = $pdesc = $gender = $marital = $homepage = False;
1209                 }
1210
1211                 $firstname = ((strpos($profile['name'],' '))
1212                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1213                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1214
1215                 $diaspora = array(
1216                         'podloc' => $a->get_baseurl(),
1217                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1218                         'nickname' => $profile['nickname'],
1219                         'fullname' => $profile['name'],
1220                         'firstname' => $firstname,
1221                         'lastname' => $lastname,
1222                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1223                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1224                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1225                 );
1226
1227                 if (!$block){
1228                         $contact_block = contact_block();
1229                 }
1230
1231
1232                 $tpl = get_markup_template('profile_vcard.tpl');
1233
1234                 $o .= replace_macros($tpl, array(
1235                         '$profile' => $profile,
1236                         '$connect'  => $connect,
1237                         '$wallmessage' => $wallmessage,
1238                         '$location' => template_escape($location),
1239                         '$gender'   => $gender,
1240                         '$pdesc'        => $pdesc,
1241                         '$marital'  => $marital,
1242                         '$homepage' => $homepage,
1243                         '$diaspora' => $diaspora,
1244                         '$contact_block' => $contact_block,
1245                 ));
1246
1247
1248                 $arr = array('profile' => &$profile, 'entry' => &$o);
1249
1250                 call_hooks('profile_sidebar', $arr);
1251
1252                 return $o;
1253         }
1254 }
1255
1256
1257 if(! function_exists('get_birthdays')) {
1258         function get_birthdays() {
1259
1260                 $a = get_app();
1261                 $o = '';
1262
1263                 if(! local_user())
1264                         return $o;
1265
1266                 $mobile_detect = new Mobile_Detect();
1267                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1268
1269                 if($is_mobile)
1270                         return $o;
1271
1272                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1273                 $bd_short = t('F d');
1274
1275                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1276                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1277                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1278                                 ORDER BY `start` ASC ",
1279                                 intval(local_user()),
1280                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1281                                 dbesc(datetime_convert('UTC','UTC','now'))
1282                 );
1283
1284                 if($r && count($r)) {
1285                         $total = 0;
1286                         $now = strtotime('now');
1287                         $cids = array();
1288
1289                         $istoday = false;
1290                         foreach($r as $rr) {
1291                                 if(strlen($rr['name']))
1292                                         $total ++;
1293                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1294                                         $istoday = true;
1295                         }
1296                         $classtoday = $istoday ? ' birthday-today ' : '';
1297                         if($total) {
1298                                 foreach($r as &$rr) {
1299                                         if(! strlen($rr['name']))
1300                                                 continue;
1301
1302                                         // avoid duplicates
1303
1304                                         if(in_array($rr['cid'],$cids))
1305                                                 continue;
1306                                         $cids[] = $rr['cid'];
1307
1308                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1309                                         $sparkle = '';
1310                                         $url = $rr['url'];
1311                                         if($rr['network'] === NETWORK_DFRN) {
1312                                                 $sparkle = " sparkle";
1313                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1314                                         }
1315         
1316                                         $rr['link'] = $url;
1317                                         $rr['title'] = $rr['name'];
1318                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1319                                         $rr['startime'] = Null;
1320                                         $rr['today'] = $today;
1321         
1322                                 }
1323                         }
1324                 }
1325                 $tpl = get_markup_template("birthdays_reminder.tpl");
1326                 return replace_macros($tpl, array(
1327                         '$baseurl' => $a->get_baseurl(),
1328                         '$classtoday' => $classtoday,
1329                         '$count' => $total,
1330                         '$event_reminders' => t('Birthday Reminders'),
1331                         '$event_title' => t('Birthdays this week:'),
1332                         '$events' => $r,
1333                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1334                         '$rbr' => '}'
1335
1336                 ));
1337         }
1338 }
1339
1340
1341 if(! function_exists('get_events')) {
1342         function get_events() {
1343
1344                 require_once('include/bbcode.php');
1345
1346                 $a = get_app();
1347
1348                 if(! local_user())
1349                         return $o;
1350
1351
1352                 $mobile_detect = new Mobile_Detect();
1353                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1354
1355                 if($is_mobile)
1356                         return $o;
1357
1358                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1359                 $bd_short = t('F d');
1360
1361                 $r = q("SELECT `event`.* FROM `event`
1362                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1363                                 ORDER BY `start` ASC ",
1364                                 intval(local_user()),
1365                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1366                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1367                 );
1368
1369                 if($r && count($r)) {
1370                         $now = strtotime('now');
1371                         $istoday = false;
1372                         foreach($r as $rr) {
1373                                 if(strlen($rr['name']))
1374                                         $total ++;
1375
1376                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1377                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1378                                         $istoday = true;
1379                         }
1380                         $classtoday = (($istoday) ? 'event-today' : '');
1381
1382
1383                         foreach($r as &$rr) {
1384                                 if($rr['adjust'])
1385                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1386                                 else
1387                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1388                                 $md .= "/#link-".$rr['id'];
1389
1390                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1391                                 if(! $title)
1392                                         $title = t('[No description]');
1393
1394                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1395                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1396                                 
1397                                 $rr['link'] = $md;
1398                                 $rr['title'] = $title;
1399                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1400                                 $rr['startime'] = $strt;
1401                                 $rr['today'] = $today;
1402                         }
1403                 }
1404
1405                 $tpl = get_markup_template("events_reminder.tpl");
1406                 return replace_macros($tpl, array(
1407                         '$baseurl' => $a->get_baseurl(),
1408                         '$classtoday' => $classtoday,
1409                         '$count' => count($r),
1410                         '$event_reminders' => t('Event Reminders'),
1411                         '$event_title' => t('Events this week:'),
1412                         '$events' => $r,
1413                 ));
1414         }
1415 }
1416
1417
1418 /**
1419  *
1420  * Wrap calls to proc_close(proc_open()) and call hook
1421  * so plugins can take part in process :)
1422  *
1423  * args:
1424  * $cmd program to run
1425  *  next args are passed as $cmd command line
1426  *
1427  * e.g.: proc_run("ls","-la","/tmp");
1428  *
1429  * $cmd and string args are surrounded with ""
1430  */
1431
1432 if(! function_exists('proc_run')) {
1433         function proc_run($cmd){
1434
1435                 $a = get_app();
1436
1437                 $args = func_get_args();
1438
1439                 $newargs = array();
1440                 if(! count($args))
1441                         return;
1442
1443                 // expand any arrays
1444
1445                 foreach($args as $arg) {
1446                         if(is_array($arg)) {
1447                                 foreach($arg as $n) {
1448                                         $newargs[] = $n;
1449                                 }
1450                         }
1451                         else
1452                                 $newargs[] = $arg;
1453                 }
1454
1455                 $args = $newargs;
1456                 
1457                 $arr = array('args' => $args, 'run_cmd' => true);
1458
1459                 call_hooks("proc_run", $arr);
1460                 if(! $arr['run_cmd'])
1461                         return;
1462
1463                 if(count($args) && $args[0] === 'php')
1464                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1465                 for($x = 0; $x < count($args); $x ++)
1466                         $args[$x] = escapeshellarg($args[$x]);
1467
1468                 $cmdline = implode($args," ");
1469                 proc_close(proc_open($cmdline." &",array(),$foo));
1470         }
1471 }
1472
1473 if(! function_exists('current_theme')) {
1474         function current_theme(){
1475                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1476         
1477                 $a = get_app();
1478         
1479                 $mobile_detect = new Mobile_Detect();
1480                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1481         
1482                 if($is_mobile) {
1483                         $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1484                         $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1485                 }
1486                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1487                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1488                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1489                 }
1490
1491                 if($theme_name &&
1492                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1493                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1494                         return($theme_name);
1495         
1496                 foreach($app_base_themes as $t) {
1497                         if(file_exists('view/theme/' . $t . '/style.css')||
1498                                         file_exists('view/theme/' . $t . '/style.php'))
1499                                 return($t);
1500                 }
1501         
1502                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1503                 if(count($fallback))
1504                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1505         
1506         }
1507 }
1508
1509 /*
1510  * Return full URL to theme which is currently in effect.
1511 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1512 */
1513 if(! function_exists('current_theme_url')) {
1514         function current_theme_url() {
1515                 global $a;
1516                 $t = current_theme();
1517                 if (file_exists('view/theme/' . $t . '/style.php'))
1518                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1519                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1520         }
1521 }
1522
1523 if(! function_exists('feed_birthday')) {
1524         function feed_birthday($uid,$tz) {
1525
1526                 /**
1527                  *
1528                  * Determine the next birthday, but only if the birthday is published
1529                  * in the default profile. We _could_ also look for a private profile that the
1530                  * recipient can see, but somebody could get mad at us if they start getting
1531                  * public birthday greetings when they haven't made this info public.
1532                  *
1533                  * Assuming we are able to publish this info, we are then going to convert
1534                  * the start time from the owner's timezone to UTC.
1535                  *
1536                  * This will potentially solve the problem found with some social networks
1537                  * where birthdays are converted to the viewer's timezone and salutations from
1538                  * elsewhere in the world show up on the wrong day. We will convert it to the
1539                  * viewer's timezone also, but first we are going to convert it from the birthday
1540                  * person's timezone to GMT - so the viewer may find the birthday starting at
1541                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1542                  *
1543                  */
1544
1545         
1546                 $birthday = '';
1547
1548                 if(! strlen($tz))
1549                         $tz = 'UTC';
1550
1551                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1552                                 intval($uid)
1553                 );
1554
1555                 if($p && count($p)) {
1556                         $tmp_dob = substr($p[0]['dob'],5);
1557                         if(intval($tmp_dob)) {
1558                                 $y = datetime_convert($tz,$tz,'now','Y');
1559                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1560                                 $t_dob = strtotime($bd);
1561                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1562                                 if($t_dob < $now)
1563                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1564                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1565                         }
1566                 }
1567
1568                 return $birthday;
1569         }
1570 }
1571
1572 if(! function_exists('is_site_admin')) {
1573         function is_site_admin() {
1574                 $a = get_app();
1575                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1576                         return true;
1577                 return false;
1578         }
1579 }
1580
1581
1582 if(! function_exists('load_contact_links')) {
1583         function load_contact_links($uid) {
1584
1585                 $a = get_app();
1586
1587                 $ret = array();
1588
1589                 if(! $uid || x($a->contacts,'empty'))
1590                         return;
1591
1592                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1593                                 intval($uid)
1594                 );
1595                 if(count($r)) {
1596                         foreach($r as $rr){
1597                                 $url = normalise_link($rr['url']);
1598                                 $ret[$url] = $rr;
1599                         }
1600                 }
1601                 else
1602                         $ret['empty'] = true;
1603                 $a->contacts = $ret;
1604                 return;
1605         }
1606 }
1607
1608 if(! function_exists('profile_tabs')){
1609         function profile_tabs($a, $is_owner=False, $nickname=Null){
1610                 //echo "<pre>"; var_dump($a->user); killme();
1611         
1612                 if (is_null($nickname))
1613                         $nickname  = $a->user['nickname'];
1614                 
1615                 if(x($_GET,'tab'))
1616                         $tab = notags(trim($_GET['tab']));
1617         
1618                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1619
1620                 $tabs = array(
1621                         array(
1622                                 'label'=>t('Status'),
1623                                 'url' => $url,
1624                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1625                                 'title' => t('Status Messages and Posts'),
1626                                 'id' => 'status-tab',
1627                         ),
1628                         array(
1629                                 'label' => t('Profile'),
1630                                 'url'   => $url.'/?tab=profile',
1631                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1632                                 'title' => t('Profile Details'),
1633                                 'id' => 'profile-tab',
1634                         ),
1635                         array(
1636                                 'label' => t('Photos'),
1637                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1638                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1639                                 'title' => t('Photo Albums'),
1640                                 'id' => 'photo-tab',
1641                         ),
1642                 );
1643         
1644                 if ($is_owner){
1645                         $tabs[] = array(
1646                                 'label' => t('Events'),
1647                                 'url'   => $a->get_baseurl() . '/events',
1648                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1649                                 'title' => t('Events and Calendar'),
1650                                 'id' => 'events-tab',
1651                         );
1652                         $tabs[] = array(
1653                                 'label' => t('Personal Notes'),
1654                                 'url'   => $a->get_baseurl() . '/notes',
1655                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1656                                 'title' => t('Only You Can See This'),
1657                                 'id' => 'notes-tab',
1658                         );
1659                 }
1660
1661
1662                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1663                 call_hooks('profile_tabs', $arr);
1664         
1665                 $tpl = get_markup_template('common_tabs.tpl');
1666
1667                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1668         }
1669 }
1670
1671 function get_my_url() {
1672         if(x($_SESSION,'my_url'))
1673                 return $_SESSION['my_url'];
1674         return false;
1675 }
1676
1677 function zrl_init(&$a) {
1678         $tmp_str = get_my_url();
1679         if(validate_url($tmp_str)) {
1680                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1681                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1682                 call_hooks('zrl_init',$arr);
1683         }
1684 }
1685
1686 function zrl($s,$force = false) {
1687         if(! strlen($s))
1688                 return $s;
1689         if((! strpos($s,'/profile/')) && (! $force))
1690                 return $s;
1691         if($force && substr($s,-1,1) !== '/')
1692                 $s = $s . '/';
1693         $achar = strpos($s,'?') ? '&' : '?';
1694         $mine = get_my_url();
1695         if($mine and ! link_compare($mine,$s))
1696                 return $s . $achar . 'zrl=' . urlencode($mine);
1697         return $s;
1698 }
1699
1700 /**
1701 * returns querystring as string from a mapped array
1702 *
1703 * @param params Array 
1704 * @return string
1705 */
1706 function build_querystring($params, $name=null) { 
1707     $ret = ""; 
1708     foreach($params as $key=>$val) {
1709         if(is_array($val)) { 
1710             if($name==null) {
1711                 $ret .= build_querystring($val, $key); 
1712             } else {
1713                 $ret .= build_querystring($val, $name."[$key]");    
1714             }
1715         } else {
1716             $val = urlencode($val);
1717             if($name!=null) {
1718                 $ret.=$name."[$key]"."=$val&"; 
1719             } else {
1720                 $ret.= "$key=$val&"; 
1721             }
1722         } 
1723     } 
1724     return $ret;    
1725 }