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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',      '3.0.1486' );
15 define ( 'DFRN_PROTOCOL_VERSION',  '2.23'    );
16 define ( 'DB_UPDATE_VERSION',      1156      );
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 define ( 'ACTIVITY_MOOD',        NAMESPACE_ZOT . '/activity/mood' );
257
258 define ( 'ACTIVITY_OBJ_COMMENT', NAMESPACE_ACTIVITY_SCHEMA . 'comment' );
259 define ( 'ACTIVITY_OBJ_NOTE',    NAMESPACE_ACTIVITY_SCHEMA . 'note' );
260 define ( 'ACTIVITY_OBJ_PERSON',  NAMESPACE_ACTIVITY_SCHEMA . 'person' );
261 define ( 'ACTIVITY_OBJ_PHOTO',   NAMESPACE_ACTIVITY_SCHEMA . 'photo' );
262 define ( 'ACTIVITY_OBJ_P_PHOTO', NAMESPACE_ACTIVITY_SCHEMA . 'profile-photo' );
263 define ( 'ACTIVITY_OBJ_ALBUM',   NAMESPACE_ACTIVITY_SCHEMA . 'photo-album' );
264 define ( 'ACTIVITY_OBJ_EVENT',   NAMESPACE_ACTIVITY_SCHEMA . 'event' );
265 define ( 'ACTIVITY_OBJ_GROUP',   NAMESPACE_ACTIVITY_SCHEMA . 'group' );
266 define ( 'ACTIVITY_OBJ_TAGTERM', NAMESPACE_DFRN            . '/tagterm' );
267 define ( 'ACTIVITY_OBJ_PROFILE', NAMESPACE_DFRN            . '/profile' );
268
269 /**
270  * item weight for query ordering
271  */
272
273 define ( 'GRAVITY_PARENT',       0);
274 define ( 'GRAVITY_LIKE',         3);
275 define ( 'GRAVITY_COMMENT',      6);
276
277 /**
278  *
279  * Reverse the effect of magic_quotes_gpc if it is enabled.
280  * Please disable magic_quotes_gpc so we don't have to do this.
281  * See http://php.net/manual/en/security.magicquotes.disabling.php
282  *
283  */
284
285 function startup() {
286         error_reporting(E_ERROR | E_WARNING | E_PARSE);
287         set_time_limit(0);
288
289         // This has to be quite large to deal with embedded private photos
290         ini_set('pcre.backtrack_limit', 500000);
291
292
293         if (get_magic_quotes_gpc()) {
294                 $process = array(&$_GET, &$_POST, &$_COOKIE, &$_REQUEST);
295                 while (list($key, $val) = each($process)) {
296                         foreach ($val as $k => $v) {
297                                 unset($process[$key][$k]);
298                                 if (is_array($v)) {
299                                         $process[$key][stripslashes($k)] = $v;
300                                         $process[] = &$process[$key][stripslashes($k)];
301                                 } else {
302                                         $process[$key][stripslashes($k)] = stripslashes($v);
303                                 }
304                         }
305                 }
306                 unset($process);
307         }
308
309 }
310
311 /**
312  *
313  * class: App
314  *
315  * Our main application structure for the life of this page
316  * Primarily deals with the URL that got us here
317  * and tries to make some sense of it, and
318  * stores our page contents and config storage
319  * and anything else that might need to be passed around
320  * before we spit the page out.
321  *
322  */
323
324 if(! class_exists('App')) {
325         class App {
326
327                 public  $module_loaded = false;
328                 public  $query_string;
329                 public  $config;
330                 public  $page;
331                 public  $profile;
332                 public  $user;
333                 public  $cid;
334                 public  $contact;
335                 public  $contacts;
336                 public  $page_contact;
337                 public  $content;
338                 public  $data = array();
339                 public  $error = false;
340                 public  $cmd;
341                 public  $argv;
342                 public  $argc;
343                 public  $module;
344                 public  $pager;
345                 public  $strings;
346                 public  $path;
347                 public  $hooks;
348                 public  $timezone;
349                 public  $interactive = true;
350                 public  $plugins;
351                 public  $apps = array();
352                 public  $identities;
353                 public  $is_mobile;
354                 public  $is_tablet;
355         
356                 public $nav_sel;
357
358                 public $category;
359
360                 // Allow themes to control internal parameters
361                 // by changing App values in theme.php
362                 //
363                 // Possibly should make these part of the plugin
364                 // system, but it seems like overkill to invoke
365                 // all the plugin machinery just to change a couple
366                 // of values
367                 public  $sourcename = '';
368                 public  $videowidth = 425;
369                 public  $videoheight = 350;
370                 public  $force_max_items = 0;
371                 public  $theme_thread_allow = true;
372
373                 private $scheme;
374                 private $hostname;
375                 private $baseurl;
376                 private $db;
377
378                 private $curl_code;
379                 private $curl_headers;
380
381                 private $cached_profile_image;
382                 private $cached_profile_picdate;
383                                                         
384                 function __construct() {
385
386                         global $default_timezone;
387
388                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
389
390                         date_default_timezone_set($this->timezone);
391
392                         $this->config = array();
393                         $this->page = array();
394                         $this->pager= array();
395
396                         $this->query_string = '';
397
398                         startup();
399
400                         $this->scheme = 'http';
401                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
402                                 $this->scheme = 'https';
403                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
404                         $this->scheme = 'https';
405
406
407                         if(x($_SERVER,'SERVER_NAME')) {
408                                 $this->hostname = $_SERVER['SERVER_NAME'];
409
410                                 // See bug 437 - this didn't work so disabling it
411                                 //if(stristr($this->hostname,'xn--')) {
412                                         // PHP or webserver may have converted idn to punycode, so
413                                         // convert punycode back to utf-8
414                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
415                                 //      $x = new idna_convert();
416                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
417                                 //}
418
419                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
420                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
421                                 /**
422                                  * Figure out if we are running at the top of a domain
423                                  * or in a sub-directory and adjust accordingly
424                                  */
425
426                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
427                                 if(isset($path) && strlen($path) && ($path != $this->path))
428                                         $this->path = $path;
429                         }
430
431                         set_include_path(
432                                         "include/$this->hostname" . PATH_SEPARATOR
433                                         . 'include' . PATH_SEPARATOR
434                                         . 'library' . PATH_SEPARATOR
435                                         . 'library/phpsec' . PATH_SEPARATOR
436                                         . 'library/langdet' . PATH_SEPARATOR
437                                         . '.' );
438
439                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
440                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
441                                 // removing trailing / - maybe a nginx problem
442                                 if (substr($this->query_string, 0, 1) == "/")
443                                         $this->query_string = substr($this->query_string, 1);
444                         }
445                         if(x($_GET,'q'))
446                                 $this->cmd = trim($_GET['q'],'/\\');
447
448                         // unix style "homedir"
449
450                         if(substr($this->cmd,0,1) === '~')
451                                 $this->cmd = 'profile/' . substr($this->cmd,1);
452
453                         // Diaspora style profile url
454
455                         if(substr($this->cmd,0,2) === 'u/')
456                                 $this->cmd = 'profile/' . substr($this->cmd,2);
457
458                         /**
459                          *
460                          * Break the URL path into C style argc/argv style arguments for our
461                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
462                          * will be 3 (integer) and $this->argv will contain:
463                          *   [0] => 'module'
464                          *   [1] => 'arg1'
465                          *   [2] => 'arg2'
466                          *
467                          *
468                          * There will always be one argument. If provided a naked domain
469                          * URL, $this->argv[0] is set to "home".
470                          *
471                          */
472
473                         $this->argv = explode('/',$this->cmd);
474                         $this->argc = count($this->argv);
475                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
476                                 $this->module = str_replace(".", "_", $this->argv[0]);
477                                 $this->module = str_replace("-", "_", $this->module);
478                         }
479                         else {
480                                 $this->argc = 1;
481                                 $this->argv = array('home');
482                                 $this->module = 'home';
483                         }
484
485                         /**
486                          * See if there is any page number information, and initialise
487                          * pagination
488                          */
489
490                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
491                         $this->pager['itemspage'] = 50;
492                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
493                         if($this->pager['start'] < 0)
494                                 $this->pager['start'] = 0;
495                         $this->pager['total'] = 0;
496
497                         /**
498                          * Detect mobile devices
499                          */
500
501                         $mobile_detect = new Mobile_Detect();
502                         $this->is_mobile = $mobile_detect->isMobile();
503                         $this->is_tablet = $mobile_detect->isTablet();
504                 }
505
506                 function get_baseurl($ssl = false) {
507
508                         $scheme = $this->scheme;
509
510                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
511                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
512                                         $scheme = 'https';
513
514                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
515                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
516
517                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
518                                         if($ssl)
519                                                 $scheme = 'https';
520                                         else
521                                                 $scheme = 'http';
522                                 }
523                         }
524
525                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
526                         return $this->baseurl;
527                 }
528
529                 function set_baseurl($url) {
530                         $parsed = @parse_url($url);
531
532                         $this->baseurl = $url;
533
534                         if($parsed) {
535                                 $this->scheme = $parsed['scheme'];
536
537                                 $this->hostname = $parsed['host'];
538                                 if(x($parsed,'port'))
539                                         $this->hostname .= ':' . $parsed['port'];
540                                 if(x($parsed,'path'))
541                                         $this->path = trim($parsed['path'],'\\/');
542                         }
543
544                 }
545
546                 function get_hostname() {
547                         return $this->hostname;
548                 }
549
550                 function set_hostname($h) {
551                         $this->hostname = $h;
552                 }
553
554                 function set_path($p) {
555                         $this->path = trim(trim($p),'/');
556                 }
557
558                 function get_path() {
559                         return $this->path;
560                 }
561
562                 function set_pager_total($n) {
563                         $this->pager['total'] = intval($n);
564                 }
565
566                 function set_pager_itemspage($n) {
567                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
568                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
569
570                 }
571
572                 function init_pagehead() {
573                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
574                         if($interval < 10000)
575                                 $interval = 40000;
576
577                         $this->page['title'] = $this->config['sitename'];
578                         $tpl = get_markup_template('head.tpl');
579                         $this->page['htmlhead'] = replace_macros($tpl,array(
580                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
581                                 '$local_user' => local_user(),
582                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
583                                 '$delitem' => t('Delete this item?'),
584                                 '$comment' => t('Comment'),
585                                 '$showmore' => t('show more'),
586                                 '$showfewer' => t('show fewer'),
587                                 '$update_interval' => $interval
588                         ));
589                 }
590
591                 function init_page_end() {
592                         $tpl = get_markup_template('end.tpl');
593                         $this->page['end'] = replace_macros($tpl,array(
594                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
595                         ));
596                 }
597
598                 function set_curl_code($code) {
599                         $this->curl_code = $code;
600                 }
601
602                 function get_curl_code() {
603                         return $this->curl_code;
604                 }
605
606                 function set_curl_headers($headers) {
607                         $this->curl_headers = $headers;
608                 }
609
610                 function get_curl_headers() {
611                         return $this->curl_headers;
612                 }
613
614                 function get_cached_avatar_image($avatar_image){
615                         if($this->cached_profile_image[$avatar_image])
616                                 return $this->cached_profile_image[$avatar_image];
617
618                         $path_parts = explode("/",$avatar_image);
619                         $common_filename = $path_parts[count($path_parts)-1];
620
621                         if($this->cached_profile_picdate[$common_filename]){
622                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
623                         } else {
624                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
625                                         $common_filename);
626                                 if(! count($r)){
627                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
628                                 } else {
629                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
630                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
631                                 }
632                         }
633                         return $this->cached_profile_image[$avatar_image];
634                 }
635
636
637         }
638 }
639
640 // retrieve the App structure
641 // useful in functions which require it but don't get it passed to them
642
643 if(! function_exists('get_app')) {
644         function get_app() {
645                 global $a;
646                 return $a;
647         }
648 };
649
650
651 // Multi-purpose function to check variable state.
652 // Usage: x($var) or $x($array,'key')
653 // returns false if variable/key is not set
654 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
655 // e.g. x('') or x(0) returns 0;
656
657 if(! function_exists('x')) {
658         function x($s,$k = NULL) {
659                 if($k != NULL) {
660                         if((is_array($s)) && (array_key_exists($k,$s))) {
661                                 if($s[$k])
662                                         return (int) 1;
663                                 return (int) 0;
664                 }
665                         return false;
666                 }
667                 else {
668                         if(isset($s)) {
669                                 if($s) {
670                                         return (int) 1;
671                                 }
672                                 return (int) 0;
673                         }
674                         return false;
675                 }
676         }
677 }
678
679 // called from db initialisation if db is dead.
680
681 if(! function_exists('system_unavailable')) {
682         function system_unavailable() {
683                 include('system_unavailable.php');
684                 system_down();
685                 killme();
686         }
687 }
688
689
690
691 function clean_urls() {
692         global $a;
693         //      if($a->config['system']['clean_urls'])
694         return true;
695         //      return false;
696 }
697
698 function z_path() {
699         global $a;
700         $base = $a->get_baseurl();
701         if(! clean_urls())
702                 $base .= '/?q=';
703         return $base;
704 }
705
706 function z_root() {
707         global $a;
708         return $a->get_baseurl();
709 }
710
711 function absurl($path) {
712         if(strpos($path,'/') === 0)
713                 return z_path() . $path;
714         return $path;
715 }
716
717 function is_ajax() {
718         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
719 }
720
721
722 // Primarily involved with database upgrade, but also sets the
723 // base url for use in cmdline programs which don't have
724 // $_SERVER variables, and synchronising the state of installed plugins.
725
726
727 if(! function_exists('check_config')) {
728         function check_config(&$a) {
729
730                 $build = get_config('system','build');
731                 if(! x($build))
732                         $build = set_config('system','build',DB_UPDATE_VERSION);
733
734                 $url = get_config('system','url');
735
736                 // if the url isn't set or the stored url is radically different
737                 // than the currently visited url, store the current value accordingly.
738                 // "Radically different" ignores common variations such as http vs https
739                 // and www.example.com vs example.com.
740                 // We will only change the url to an ip address if there is no existing setting
741
742                 if(! x($url))
743                         $url = set_config('system','url',$a->get_baseurl());
744                 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
745                         $url = set_config('system','url',$a->get_baseurl());
746
747
748                 if($build != DB_UPDATE_VERSION) {
749                         $stored = intval($build);
750                         $current = intval(DB_UPDATE_VERSION);
751                         if(($stored < $current) && file_exists('update.php')) {
752
753                                 load_config('database');
754
755                                 // We're reporting a different version than what is currently installed.
756                                 // Run any existing update scripts to bring the database up to current.
757
758                                 require_once('update.php');
759
760                                 // make sure that boot.php and update.php are the same release, we might be
761                                 // updating right this very second and the correct version of the update.php
762                                 // file may not be here yet. This can happen on a very busy site.
763
764                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
765
766                                         for($x = $stored; $x < $current; $x ++) {
767                                                 if(function_exists('update_' . $x)) {
768
769                                                         // There could be a lot of processes running or about to run.
770                                                         // We want exactly one process to run the update command.
771                                                         // So store the fact that we're taking responsibility
772                                                         // after first checking to see if somebody else already has.
773
774                                                         // If the update fails or times-out completely you may need to
775                                                         // delete the config entry to try again.
776
777                                                         $t = get_config('database','update_' . $x);
778                                                         if($t !== false)
779                                                                 break;
780                                                         set_config('database','update_' . $x, time());
781
782                                                         // call the specific update
783
784                                                         $func = 'update_' . $x;
785                                                         $retval = $func();
786                                                         if($retval) {
787                                                                 //send the administrator an e-mail
788                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
789                                                                 $email_msg = replace_macros($email_tpl, array(
790                                                                         '$sitename' => $a->config['sitename'],
791                                                                         '$siteurl' =>  $a->get_baseurl(),
792                                                                         '$update' => $x,
793                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
794                                                                 ));
795                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
796                                                                         
797                                                                 mail($a->config['admin_email'], $subject, $email_msg,
798                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
799                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
800                                                                         . 'Content-transfer-encoding: 8bit' );
801                                                                 //try the logger
802                                                                 logger('CRITICAL: Update Failed: '. $x);
803                                                                 break;
804                                                         }
805                                                         else {
806                                                                 set_config('database','update_' . $x, 'success');
807                                                                 set_config('system','build', $x + 1);
808                                                         }                                                               
809                                                 }
810                                         }
811                                 }
812                         }
813                 }
814
815                 /**
816                  *
817                  * Synchronise plugins:
818                  *
819                  * $a->config['system']['addon'] contains a comma-separated list of names
820                  * of plugins/addons which are used on this system.
821                  * Go through the database list of already installed addons, and if we have
822                  * an entry, but it isn't in the config list, call the uninstall procedure
823                  * and mark it uninstalled in the database (for now we'll remove it).
824                  * Then go through the config list and if we have a plugin that isn't installed,
825                  * call the install procedure and add it to the database.
826                  *
827                  */
828
829                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
830                 if(count($r))
831                         $installed = $r;
832                 else
833                         $installed = array();
834
835                 $plugins = get_config('system','addon');
836                 $plugins_arr = array();
837
838                 if($plugins)
839                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
840
841                 $a->plugins = $plugins_arr;
842
843                 $installed_arr = array();
844
845                 if(count($installed)) {
846                         foreach($installed as $i) {
847                                 if(! in_array($i['name'],$plugins_arr)) {
848                                         uninstall_plugin($i['name']);
849                                 }
850                                 else {
851                                         $installed_arr[] = $i['name'];
852                                 }
853                         }
854                 }
855
856                 if(count($plugins_arr)) {
857                         foreach($plugins_arr as $p) {
858                                 if(! in_array($p,$installed_arr)) {
859                                         install_plugin($p);
860                                 }
861                         }
862                 }
863
864
865                 load_hooks();
866
867                 return;
868         }
869 }
870
871
872 function get_guid($size=16) {
873         $exists = true; // assume by default that we don't have a unique guid
874         do {
875                 $s = random_string($size);
876                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
877                 if(! count($r))
878                         $exists = false;
879         } while($exists);
880         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
881         return $s;
882 }
883
884
885 // wrapper for adding a login box. If $register == true provide a registration
886 // link. This will most always depend on the value of $a->config['register_policy'].
887 // returns the complete html for inserting into the page
888
889 if(! function_exists('login')) {
890         function login($register = false, $hiddens=false) {
891                 $a = get_app();
892                 $o = "";
893                 $reg = false;
894                 if ($register) {
895                         $reg = array(
896                                 'title' => t('Create a New Account'),
897                                 'desc' => t('Register')
898                         );
899                 }
900
901                 $noid = get_config('system','no_openid');
902         
903                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
904
905                 if(local_user()) {
906                         $tpl = get_markup_template("logout.tpl");
907                 }
908                 else {
909                         $a->page['htmlhead'] .= replace_macros(get_markup_template("login_head.tpl"),array(
910                                 '$baseurl'              => $a->get_baseurl(true)
911                         ));
912
913                         $tpl = get_markup_template("login.tpl");
914                         $_SESSION['return_url'] = $a->query_string;
915                 }
916
917
918                 $o .= replace_macros($tpl,array(
919
920                         '$dest_url'     => $dest_url,
921                         '$logout'       => t('Logout'),
922                         '$login'        => t('Login'),
923         
924                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
925                         '$lpassword'    => array('password', t('Password: '), '', ''),
926         
927                         '$openid'               => !$noid,
928                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
929         
930                         '$hiddens'      => $hiddens,
931         
932                         '$register'     => $reg,
933         
934                         '$lostpass'     => t('Forgot your password?'),
935                         '$lostlink'     => t('Password Reset'),
936                 ));
937
938                 call_hooks('login_hook',$o);
939
940                 return $o;
941         }
942 }
943
944 // Used to end the current process, after saving session state.
945
946 if(! function_exists('killme')) {
947         function killme() {
948                 session_write_close();
949                 exit;
950         }
951 }
952
953 // redirect to another URL and terminate this process.
954
955 if(! function_exists('goaway')) {
956         function goaway($s) {
957                 header("Location: $s");
958                 killme();
959         }
960 }
961
962
963 // Returns the uid of locally logged in user or false.
964
965 if(! function_exists('local_user')) {
966         function local_user() {
967                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
968                         return intval($_SESSION['uid']);
969                 return false;
970         }
971 }
972
973 // Returns contact id of authenticated site visitor or false
974
975 if(! function_exists('remote_user')) {
976         function remote_user() {
977                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
978                         return intval($_SESSION['visitor_id']);
979                 return false;
980         }
981 }
982
983 // contents of $s are displayed prominently on the page the next time
984 // a page is loaded. Usually used for errors or alerts.
985
986 if(! function_exists('notice')) {
987         function notice($s) {
988                 $a = get_app();
989                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
990                 if($a->interactive)
991                         $_SESSION['sysmsg'][] = $s;
992         }
993 }
994 if(! function_exists('info')) {
995         function info($s) {
996                 $a = get_app();
997                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
998                 if($a->interactive)
999                         $_SESSION['sysmsg_info'][] = $s;
1000         }
1001 }
1002
1003
1004 // wrapper around config to limit the text length of an incoming message
1005
1006 if(! function_exists('get_max_import_size')) {
1007         function get_max_import_size() {
1008                 global $a;
1009                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1010         }
1011 }
1012
1013
1014
1015 /**
1016  *
1017  * Function : profile_load
1018  * @parameter App    $a
1019  * @parameter string $nickname
1020  * @parameter int    $profile
1021  *
1022  * Summary: Loads a profile into the page sidebar.
1023  * The function requires a writeable copy of the main App structure, and the nickname
1024  * of a registered local account.
1025  *
1026  * If the viewer is an authenticated remote viewer, the profile displayed is the
1027  * one that has been configured for his/her viewing in the Contact manager.
1028  * Passing a non-zero profile ID can also allow a preview of a selected profile
1029  * by the owner.
1030  *
1031  * Profile information is placed in the App structure for later retrieval.
1032  * Honours the owner's chosen theme for display.
1033  *
1034  */
1035
1036 if(! function_exists('profile_load')) {
1037         function profile_load(&$a, $nickname, $profile = 0) {
1038
1039                 $user = q("select uid from user where nickname = '%s' limit 1",
1040                         dbesc($nickname)
1041                 );
1042                 
1043                 if(! ($user && count($user))) {
1044                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1045                         notice( t('Requested account is not available.') . EOL );
1046                         $a->error = 404;
1047                         return;
1048                 }
1049
1050                 if(remote_user() && count($_SESSION['remote'])) {
1051                         foreach($_SESSION['remote'] as $visitor) {
1052                                 if($visitor['uid'] == $user[0]['uid']) {
1053                                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1054                                                 intval($visitor['cid'])
1055                                         );
1056                                         if(count($r))
1057                                                 $profile = $r[0]['profile-id'];
1058                                         break;
1059                                 }
1060                         }
1061                 }
1062
1063                 $r = null;
1064                           
1065                 if($profile) {
1066                         $profile_int = intval($profile);
1067                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1068                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1069                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1070                                         dbesc($nickname),
1071                                         intval($profile_int)
1072                         );
1073                 }
1074                 if((! $r) && (!  count($r))) {
1075                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1076                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1077                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1078                                         dbesc($nickname)
1079                         );
1080                 }
1081
1082                 if(($r === false) || (! count($r))) {
1083                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1084                         notice( t('Requested profile is not available.') . EOL );
1085                         $a->error = 404;
1086                         return;
1087                 }
1088         
1089                 // fetch user tags if this isn't the default profile
1090
1091                 if(! $r[0]['is-default']) {
1092                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1093                                         intval($profile_uid)
1094                         );
1095                         if($x && count($x))
1096                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1097                 }
1098
1099                 $a->profile = $r[0];
1100
1101                 $a->profile['mobile-theme'] = get_pconfig($profile_uid, 'system', 'mobile_theme');
1102
1103
1104                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1105                 $_SESSION['theme'] = $a->profile['theme'];
1106                 $_SESSION['mobile-theme'] = $a->profile['mobile-theme'];
1107
1108                 /**
1109                  * load/reload current theme info
1110                  */
1111
1112                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1113                 if (file_exists($theme_info_file)){
1114                         require_once($theme_info_file);
1115                 }
1116
1117                 if(! (x($a->page,'aside')))
1118                         $a->page['aside'] = '';
1119
1120                 if(local_user() && local_user() == $a->profile['uid']) {
1121                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1122                                 '$editprofile' => t('Edit profile'),
1123                                 '$profid' => $a->profile['id']
1124                         ));
1125                 }
1126
1127                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1128
1129                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1130
1131                 /*if(! $block)
1132                  $a->page['aside'] .= contact_block();*/
1133
1134                 return;
1135         }
1136 }
1137
1138
1139 /**
1140  *
1141  * Function: profile_sidebar
1142  *
1143  * Formats a profile for display in the sidebar.
1144  * It is very difficult to templatise the HTML completely
1145  * because of all the conditional logic.
1146  *
1147  * @parameter: array $profile
1148  *
1149  * Returns HTML string stuitable for sidebar inclusion
1150  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1151  *
1152  */
1153
1154
1155 if(! function_exists('profile_sidebar')) {
1156         function profile_sidebar($profile, $block = 0) {
1157
1158                 $a = get_app();
1159
1160                 $o = '';
1161                 $location = false;
1162                 $address = false;
1163                 $pdesc = true;
1164
1165                 if((! is_array($profile)) && (! count($profile)))
1166                         return $o;
1167
1168                 $profile['picdate'] = urlencode($profile['picdate']);
1169
1170                 call_hooks('profile_sidebar_enter', $profile);
1171
1172         
1173                 // don't show connect link to yourself
1174                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1175
1176                 // don't show connect link to authenticated visitors either
1177
1178                 if(remote_user() && count($_SESSION['remote'])) {
1179                         foreach($_SESSION['remote'] as $visitor) {
1180                                 if($visitor['uid'] == $profile['uid']) {
1181                                         $connect = false;
1182                                         break;
1183                                 }
1184                         }
1185                 }
1186
1187                 if(get_my_url() && $profile['unkmail'])
1188                         $wallmessage = t('Message');
1189                 else
1190                         $wallmessage = false;
1191
1192
1193
1194                 // show edit profile to yourself
1195                 if ($profile['uid'] == local_user()) {
1196                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1197                 
1198                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1199                                         local_user());
1200                 
1201                         $profile['menu'] = array(
1202                                 'chg_photo' => t('Change profile photo'),
1203                                 'cr_new' => t('Create New Profile'),
1204                                 'entries' => array(),
1205                         );
1206
1207                         if(count($r)) {
1208
1209                                 foreach($r as $rr) {
1210                                         $profile['menu']['entries'][] = array(
1211                                                 'photo' => $rr['thumb'],
1212                                                 'id' => $rr['id'],
1213                                                 'alt' => t('Profile Image'),
1214                                                 'profile_name' => $rr['profile-name'],
1215                                                 'isdefault' => $rr['is-default'],
1216                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1217                                                 'edit_visibility' => t('Edit visibility'),
1218
1219                                         );
1220                                 }
1221
1222
1223                         }
1224
1225
1226                 }
1227
1228
1229
1230         
1231                 if((x($profile,'address') == 1)
1232                                 || (x($profile,'locality') == 1)
1233                                 || (x($profile,'region') == 1)
1234                                 || (x($profile,'postal-code') == 1)
1235                                 || (x($profile,'country-name') == 1))
1236                         $location = t('Location:');
1237
1238                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1239
1240
1241                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1242
1243                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1244
1245                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1246                         $location = $pdesc = $gender = $marital = $homepage = False;
1247                 }
1248
1249                 $firstname = ((strpos($profile['name'],' '))
1250                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1251                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1252
1253                 $diaspora = array(
1254                         'podloc' => $a->get_baseurl(),
1255                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1256                         'nickname' => $profile['nickname'],
1257                         'fullname' => $profile['name'],
1258                         'firstname' => $firstname,
1259                         'lastname' => $lastname,
1260                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1261                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1262                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1263                 );
1264
1265                 if (!$block){
1266                         $contact_block = contact_block();
1267                 }
1268
1269
1270                 $tpl = get_markup_template('profile_vcard.tpl');
1271
1272                 $o .= replace_macros($tpl, array(
1273                         '$profile' => $profile,
1274                         '$connect'  => $connect,
1275                         '$wallmessage' => $wallmessage,
1276                         '$location' => template_escape($location),
1277                         '$gender'   => $gender,
1278                         '$pdesc'        => $pdesc,
1279                         '$marital'  => $marital,
1280                         '$homepage' => $homepage,
1281                         '$diaspora' => $diaspora,
1282                         '$contact_block' => $contact_block,
1283                 ));
1284
1285
1286                 $arr = array('profile' => &$profile, 'entry' => &$o);
1287
1288                 call_hooks('profile_sidebar', $arr);
1289
1290                 return $o;
1291         }
1292 }
1293
1294
1295 if(! function_exists('get_birthdays')) {
1296         function get_birthdays() {
1297
1298                 $a = get_app();
1299                 $o = '';
1300
1301                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1302                         return $o;
1303
1304 //              $mobile_detect = new Mobile_Detect();
1305 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1306
1307 //              if($is_mobile)
1308 //                      return $o;
1309
1310                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1311                 $bd_short = t('F d');
1312
1313                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1314                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1315                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1316                                 ORDER BY `start` ASC ",
1317                                 intval(local_user()),
1318                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1319                                 dbesc(datetime_convert('UTC','UTC','now'))
1320                 );
1321
1322                 if($r && count($r)) {
1323                         $total = 0;
1324                         $now = strtotime('now');
1325                         $cids = array();
1326
1327                         $istoday = false;
1328                         foreach($r as $rr) {
1329                                 if(strlen($rr['name']))
1330                                         $total ++;
1331                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1332                                         $istoday = true;
1333                         }
1334                         $classtoday = $istoday ? ' birthday-today ' : '';
1335                         if($total) {
1336                                 foreach($r as &$rr) {
1337                                         if(! strlen($rr['name']))
1338                                                 continue;
1339
1340                                         // avoid duplicates
1341
1342                                         if(in_array($rr['cid'],$cids))
1343                                                 continue;
1344                                         $cids[] = $rr['cid'];
1345
1346                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1347                                         $sparkle = '';
1348                                         $url = $rr['url'];
1349                                         if($rr['network'] === NETWORK_DFRN) {
1350                                                 $sparkle = " sparkle";
1351                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1352                                         }
1353         
1354                                         $rr['link'] = $url;
1355                                         $rr['title'] = $rr['name'];
1356                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1357                                         $rr['startime'] = Null;
1358                                         $rr['today'] = $today;
1359         
1360                                 }
1361                         }
1362                 }
1363                 $tpl = get_markup_template("birthdays_reminder.tpl");
1364                 return replace_macros($tpl, array(
1365                         '$baseurl' => $a->get_baseurl(),
1366                         '$classtoday' => $classtoday,
1367                         '$count' => $total,
1368                         '$event_reminders' => t('Birthday Reminders'),
1369                         '$event_title' => t('Birthdays this week:'),
1370                         '$events' => $r,
1371                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1372                         '$rbr' => '}'
1373
1374                 ));
1375         }
1376 }
1377
1378
1379 if(! function_exists('get_events')) {
1380         function get_events() {
1381
1382                 require_once('include/bbcode.php');
1383
1384                 $a = get_app();
1385
1386                 if(! local_user() || $a->is_mobile || $a->is_tablet)
1387                         return $o;
1388
1389
1390 //              $mobile_detect = new Mobile_Detect();
1391 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1392
1393 //              if($is_mobile)
1394 //                      return $o;
1395
1396                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1397                 $bd_short = t('F d');
1398
1399                 $r = q("SELECT `event`.* FROM `event`
1400                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1401                                 ORDER BY `start` ASC ",
1402                                 intval(local_user()),
1403                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1404                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1405                 );
1406
1407                 if($r && count($r)) {
1408                         $now = strtotime('now');
1409                         $istoday = false;
1410                         foreach($r as $rr) {
1411                                 if(strlen($rr['name']))
1412                                         $total ++;
1413
1414                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1415                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1416                                         $istoday = true;
1417                         }
1418                         $classtoday = (($istoday) ? 'event-today' : '');
1419
1420
1421                         foreach($r as &$rr) {
1422                                 if($rr['adjust'])
1423                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1424                                 else
1425                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1426                                 $md .= "/#link-".$rr['id'];
1427
1428                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1429                                 if(! $title)
1430                                         $title = t('[No description]');
1431
1432                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1433                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1434                                 
1435                                 $rr['link'] = $md;
1436                                 $rr['title'] = $title;
1437                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1438                                 $rr['startime'] = $strt;
1439                                 $rr['today'] = $today;
1440                         }
1441                 }
1442
1443                 $tpl = get_markup_template("events_reminder.tpl");
1444                 return replace_macros($tpl, array(
1445                         '$baseurl' => $a->get_baseurl(),
1446                         '$classtoday' => $classtoday,
1447                         '$count' => count($r),
1448                         '$event_reminders' => t('Event Reminders'),
1449                         '$event_title' => t('Events this week:'),
1450                         '$events' => $r,
1451                 ));
1452         }
1453 }
1454
1455
1456 /**
1457  *
1458  * Wrap calls to proc_close(proc_open()) and call hook
1459  * so plugins can take part in process :)
1460  *
1461  * args:
1462  * $cmd program to run
1463  *  next args are passed as $cmd command line
1464  *
1465  * e.g.: proc_run("ls","-la","/tmp");
1466  *
1467  * $cmd and string args are surrounded with ""
1468  */
1469
1470 if(! function_exists('proc_run')) {
1471         function proc_run($cmd){
1472
1473                 $a = get_app();
1474
1475                 $args = func_get_args();
1476
1477                 $newargs = array();
1478                 if(! count($args))
1479                         return;
1480
1481                 // expand any arrays
1482
1483                 foreach($args as $arg) {
1484                         if(is_array($arg)) {
1485                                 foreach($arg as $n) {
1486                                         $newargs[] = $n;
1487                                 }
1488                         }
1489                         else
1490                                 $newargs[] = $arg;
1491                 }
1492
1493                 $args = $newargs;
1494                 
1495                 $arr = array('args' => $args, 'run_cmd' => true);
1496
1497                 call_hooks("proc_run", $arr);
1498                 if(! $arr['run_cmd'])
1499                         return;
1500
1501                 if(count($args) && $args[0] === 'php')
1502                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1503                 for($x = 0; $x < count($args); $x ++)
1504                         $args[$x] = escapeshellarg($args[$x]);
1505
1506                 $cmdline = implode($args," ");
1507                 if(get_config('system','proc_windows'))
1508                         proc_close(proc_open('cmd /c start /b ' . $cmdline,array(),$foo));
1509                 else
1510                         proc_close(proc_open($cmdline." &",array(),$foo));
1511         }
1512 }
1513
1514 if(! function_exists('current_theme')) {
1515         function current_theme(){
1516                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1517         
1518                 $a = get_app();
1519         
1520 //              $mobile_detect = new Mobile_Detect();
1521 //              $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1522                 $is_mobile = $a->is_mobile || $a->is_tablet;
1523         
1524                 if($is_mobile) {
1525                         if(isset($_SESSION['show-mobile']) && !$_SESSION['show-mobile']) {
1526                                 $system_theme = '';
1527                                 $theme_name = '';
1528                         }
1529                         else {
1530                                 $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1531                                 $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1532
1533                                 if($theme_name === '---') {
1534                                         // user has selected to have the mobile theme be the same as the normal one
1535                                         $system_theme = '';
1536                                         $theme_name = '';
1537                                 }
1538                         }
1539                 }
1540                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1541                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1542                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1543                 }
1544
1545                 if($theme_name &&
1546                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1547                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1548                         return($theme_name);
1549         
1550                 foreach($app_base_themes as $t) {
1551                         if(file_exists('view/theme/' . $t . '/style.css')||
1552                                         file_exists('view/theme/' . $t . '/style.php'))
1553                                 return($t);
1554                 }
1555         
1556                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1557                 if(count($fallback))
1558                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1559         
1560         }
1561 }
1562
1563 /*
1564  * Return full URL to theme which is currently in effect.
1565 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1566 */
1567 if(! function_exists('current_theme_url')) {
1568         function current_theme_url() {
1569                 global $a;
1570                 $t = current_theme();
1571                 if (file_exists('view/theme/' . $t . '/style.php'))
1572                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1573                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1574         }
1575 }
1576
1577 if(! function_exists('feed_birthday')) {
1578         function feed_birthday($uid,$tz) {
1579
1580                 /**
1581                  *
1582                  * Determine the next birthday, but only if the birthday is published
1583                  * in the default profile. We _could_ also look for a private profile that the
1584                  * recipient can see, but somebody could get mad at us if they start getting
1585                  * public birthday greetings when they haven't made this info public.
1586                  *
1587                  * Assuming we are able to publish this info, we are then going to convert
1588                  * the start time from the owner's timezone to UTC.
1589                  *
1590                  * This will potentially solve the problem found with some social networks
1591                  * where birthdays are converted to the viewer's timezone and salutations from
1592                  * elsewhere in the world show up on the wrong day. We will convert it to the
1593                  * viewer's timezone also, but first we are going to convert it from the birthday
1594                  * person's timezone to GMT - so the viewer may find the birthday starting at
1595                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1596                  *
1597                  */
1598
1599         
1600                 $birthday = '';
1601
1602                 if(! strlen($tz))
1603                         $tz = 'UTC';
1604
1605                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1606                                 intval($uid)
1607                 );
1608
1609                 if($p && count($p)) {
1610                         $tmp_dob = substr($p[0]['dob'],5);
1611                         if(intval($tmp_dob)) {
1612                                 $y = datetime_convert($tz,$tz,'now','Y');
1613                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1614                                 $t_dob = strtotime($bd);
1615                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1616                                 if($t_dob < $now)
1617                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1618                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1619                         }
1620                 }
1621
1622                 return $birthday;
1623         }
1624 }
1625
1626 if(! function_exists('is_site_admin')) {
1627         function is_site_admin() {
1628                 $a = get_app();
1629                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1630                         return true;
1631                 return false;
1632         }
1633 }
1634
1635
1636 if(! function_exists('load_contact_links')) {
1637         function load_contact_links($uid) {
1638
1639                 $a = get_app();
1640
1641                 $ret = array();
1642
1643                 if(! $uid || x($a->contacts,'empty'))
1644                         return;
1645
1646                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1647                                 intval($uid)
1648                 );
1649                 if(count($r)) {
1650                         foreach($r as $rr){
1651                                 $url = normalise_link($rr['url']);
1652                                 $ret[$url] = $rr;
1653                         }
1654                 }
1655                 else
1656                         $ret['empty'] = true;
1657                 $a->contacts = $ret;
1658                 return;
1659         }
1660 }
1661
1662 if(! function_exists('profile_tabs')){
1663         function profile_tabs($a, $is_owner=False, $nickname=Null){
1664                 //echo "<pre>"; var_dump($a->user); killme();
1665         
1666                 if (is_null($nickname))
1667                         $nickname  = $a->user['nickname'];
1668                 
1669                 if(x($_GET,'tab'))
1670                         $tab = notags(trim($_GET['tab']));
1671         
1672                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1673
1674                 $tabs = array(
1675                         array(
1676                                 'label'=>t('Status'),
1677                                 'url' => $url,
1678                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1679                                 'title' => t('Status Messages and Posts'),
1680                                 'id' => 'status-tab',
1681                         ),
1682                         array(
1683                                 'label' => t('Profile'),
1684                                 'url'   => $url.'/?tab=profile',
1685                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1686                                 'title' => t('Profile Details'),
1687                                 'id' => 'profile-tab',
1688                         ),
1689                         array(
1690                                 'label' => t('Photos'),
1691                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1692                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1693                                 'title' => t('Photo Albums'),
1694                                 'id' => 'photo-tab',
1695                         ),
1696                 );
1697         
1698                 if ($is_owner){
1699                         $tabs[] = array(
1700                                 'label' => t('Events'),
1701                                 'url'   => $a->get_baseurl() . '/events',
1702                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1703                                 'title' => t('Events and Calendar'),
1704                                 'id' => 'events-tab',
1705                         );
1706                         $tabs[] = array(
1707                                 'label' => t('Personal Notes'),
1708                                 'url'   => $a->get_baseurl() . '/notes',
1709                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1710                                 'title' => t('Only You Can See This'),
1711                                 'id' => 'notes-tab',
1712                         );
1713                 }
1714
1715
1716                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1717                 call_hooks('profile_tabs', $arr);
1718         
1719                 $tpl = get_markup_template('common_tabs.tpl');
1720
1721                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1722         }
1723 }
1724
1725 function get_my_url() {
1726         if(x($_SESSION,'my_url'))
1727                 return $_SESSION['my_url'];
1728         return false;
1729 }
1730
1731 function zrl_init(&$a) {
1732         $tmp_str = get_my_url();
1733         if(validate_url($tmp_str)) {
1734                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1735                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1736                 call_hooks('zrl_init',$arr);
1737         }
1738 }
1739
1740 function zrl($s,$force = false) {
1741         if(! strlen($s))
1742                 return $s;
1743         if((! strpos($s,'/profile/')) && (! $force))
1744                 return $s;
1745         if($force && substr($s,-1,1) !== '/')
1746                 $s = $s . '/';
1747         $achar = strpos($s,'?') ? '&' : '?';
1748         $mine = get_my_url();
1749         if($mine and ! link_compare($mine,$s))
1750                 return $s . $achar . 'zrl=' . urlencode($mine);
1751         return $s;
1752 }
1753
1754 /**
1755 * returns querystring as string from a mapped array
1756 *
1757 * @param params Array 
1758 * @return string
1759 */
1760 function build_querystring($params, $name=null) { 
1761     $ret = ""; 
1762     foreach($params as $key=>$val) {
1763         if(is_array($val)) { 
1764             if($name==null) {
1765                 $ret .= build_querystring($val, $key); 
1766             } else {
1767                 $ret .= build_querystring($val, $name."[$key]");    
1768             }
1769         } else {
1770             $val = urlencode($val);
1771             if($name!=null) {
1772                 $ret.=$name."[$key]"."=$val&"; 
1773             } else {
1774                 $ret.= "$key=$val&"; 
1775             }
1776         } 
1777     } 
1778     return $ret;    
1779 }
1780
1781 /**
1782 * Returns the complete URL of the current page, e.g.: http(s)://something.com/network
1783 *
1784 * Taken from http://webcheatsheet.com/php/get_current_page_url.php
1785 */
1786 function curPageURL() {
1787         $pageURL = 'http';
1788         if ($_SERVER["HTTPS"] == "on") {$pageURL .= "s";}
1789         $pageURL .= "://";
1790         if ($_SERVER["SERVER_PORT"] != "80" && $_SERVER["SERVER_PORT"] != "443") {
1791                 $pageURL .= $_SERVER["SERVER_NAME"].":".$_SERVER["SERVER_PORT"].$_SERVER["REQUEST_URI"];
1792         } else {
1793                 $pageURL .= $_SERVER["SERVER_NAME"].$_SERVER["REQUEST_URI"];
1794         }
1795         return $pageURL;
1796 }