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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',      '3.0.1438' );
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                 public  $theme_thread_allow = true;
369
370                 private $scheme;
371                 private $hostname;
372                 private $baseurl;
373                 private $db;
374
375                 private $curl_code;
376                 private $curl_headers;
377
378                 private $cached_profile_image;
379                 private $cached_profile_picdate;
380                                                         
381                 function __construct() {
382
383                         global $default_timezone;
384
385                         $this->timezone = ((x($default_timezone)) ? $default_timezone : 'UTC');
386
387                         date_default_timezone_set($this->timezone);
388
389                         $this->config = array();
390                         $this->page = array();
391                         $this->pager= array();
392
393                         $this->query_string = '';
394
395                         startup();
396
397                         $this->scheme = 'http';
398                         if(x($_SERVER,'HTTPS') && $_SERVER['HTTPS'])
399                                 $this->scheme = 'https';
400                         elseif(x($_SERVER,'SERVER_PORT') && (intval($_SERVER['SERVER_PORT']) == 443))
401                         $this->scheme = 'https';
402
403
404                         if(x($_SERVER,'SERVER_NAME')) {
405                                 $this->hostname = $_SERVER['SERVER_NAME'];
406
407                                 // See bug 437 - this didn't work so disabling it
408                                 //if(stristr($this->hostname,'xn--')) {
409                                         // PHP or webserver may have converted idn to punycode, so
410                                         // convert punycode back to utf-8
411                                 //      require_once('library/simplepie/idn/idna_convert.class.php');
412                                 //      $x = new idna_convert();
413                                 //      $this->hostname = $x->decode($_SERVER['SERVER_NAME']);
414                                 //}
415
416                                 if(x($_SERVER,'SERVER_PORT') && $_SERVER['SERVER_PORT'] != 80 && $_SERVER['SERVER_PORT'] != 443)
417                                         $this->hostname .= ':' . $_SERVER['SERVER_PORT'];
418                                 /**
419                                  * Figure out if we are running at the top of a domain
420                                  * or in a sub-directory and adjust accordingly
421                                  */
422
423                                 $path = trim(dirname($_SERVER['SCRIPT_NAME']),'/\\');
424                                 if(isset($path) && strlen($path) && ($path != $this->path))
425                                         $this->path = $path;
426                         }
427
428                         set_include_path(
429                                         "include/$this->hostname" . PATH_SEPARATOR
430                                         . 'include' . PATH_SEPARATOR
431                                         . 'library' . PATH_SEPARATOR
432                                         . 'library/phpsec' . PATH_SEPARATOR
433                                         . 'library/langdet' . PATH_SEPARATOR
434                                         . '.' );
435
436                         if((x($_SERVER,'QUERY_STRING')) && substr($_SERVER['QUERY_STRING'],0,2) === "q=") {
437                                 $this->query_string = substr($_SERVER['QUERY_STRING'],2);
438                                 // removing trailing / - maybe a nginx problem
439                                 if (substr($this->query_string, 0, 1) == "/")
440                                         $this->query_string = substr($this->query_string, 1);
441                         }
442                         if(x($_GET,'q'))
443                                 $this->cmd = trim($_GET['q'],'/\\');
444
445                         // unix style "homedir"
446
447                         if(substr($this->cmd,0,1) === '~')
448                                 $this->cmd = 'profile/' . substr($this->cmd,1);
449
450                         // Diaspora style profile url
451
452                         if(substr($this->cmd,0,2) === 'u/')
453                                 $this->cmd = 'profile/' . substr($this->cmd,2);
454
455                         /**
456                          *
457                          * Break the URL path into C style argc/argv style arguments for our
458                          * modules. Given "http://example.com/module/arg1/arg2", $this->argc
459                          * will be 3 (integer) and $this->argv will contain:
460                          *   [0] => 'module'
461                          *   [1] => 'arg1'
462                          *   [2] => 'arg2'
463                          *
464                          *
465                          * There will always be one argument. If provided a naked domain
466                          * URL, $this->argv[0] is set to "home".
467                          *
468                          */
469
470                         $this->argv = explode('/',$this->cmd);
471                         $this->argc = count($this->argv);
472                         if((array_key_exists('0',$this->argv)) && strlen($this->argv[0])) {
473                                 $this->module = str_replace(".", "_", $this->argv[0]);
474                         }
475                         else {
476                                 $this->argc = 1;
477                                 $this->argv = array('home');
478                                 $this->module = 'home';
479                         }
480
481                         /**
482                          * Special handling for the webfinger/lrdd host XRD file
483                          */
484
485                         if($this->cmd === '.well-known/host-meta') {
486                                 $this->argc = 1;
487                                 $this->argv = array('hostxrd');
488                                 $this->module = 'hostxrd';
489                         }
490
491                         /**
492                          * See if there is any page number information, and initialise
493                          * pagination
494                          */
495
496                         $this->pager['page'] = ((x($_GET,'page') && intval($_GET['page']) > 0) ? intval($_GET['page']) : 1);
497                         $this->pager['itemspage'] = 50;
498                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
499                         if($this->pager['start'] < 0)
500                                 $this->pager['start'] = 0;
501                         $this->pager['total'] = 0;
502                 }
503
504                 function get_baseurl($ssl = false) {
505
506                         $scheme = $this->scheme;
507
508                         if((x($this->config,'system')) && (x($this->config['system'],'ssl_policy'))) {
509                                 if(intval($this->config['system']['ssl_policy']) === intval(SSL_POLICY_FULL))
510                                         $scheme = 'https';
511
512                                 //      Basically, we have $ssl = true on any links which can only be seen by a logged in user
513                                 //      (and also the login link). Anything seen by an outsider will have it turned off.
514
515                                 if($this->config['system']['ssl_policy'] == SSL_POLICY_SELFSIGN) {
516                                         if($ssl)
517                                                 $scheme = 'https';
518                                         else
519                                                 $scheme = 'http';
520                                 }
521                         }
522
523                         $this->baseurl = $scheme . "://" . $this->hostname . ((isset($this->path) && strlen($this->path)) ? '/' . $this->path : '' );
524                         return $this->baseurl;
525                 }
526
527                 function set_baseurl($url) {
528                         $parsed = @parse_url($url);
529
530                         $this->baseurl = $url;
531
532                         if($parsed) {
533                                 $this->scheme = $parsed['scheme'];
534
535                                 $this->hostname = $parsed['host'];
536                                 if(x($parsed,'port'))
537                                         $this->hostname .= ':' . $parsed['port'];
538                                 if(x($parsed,'path'))
539                                         $this->path = trim($parsed['path'],'\\/');
540                         }
541
542                 }
543
544                 function get_hostname() {
545                         return $this->hostname;
546                 }
547
548                 function set_hostname($h) {
549                         $this->hostname = $h;
550                 }
551
552                 function set_path($p) {
553                         $this->path = trim(trim($p),'/');
554                 }
555
556                 function get_path() {
557                         return $this->path;
558                 }
559
560                 function set_pager_total($n) {
561                         $this->pager['total'] = intval($n);
562                 }
563
564                 function set_pager_itemspage($n) {
565                         $this->pager['itemspage'] = ((intval($n) > 0) ? intval($n) : 0);
566                         $this->pager['start'] = ($this->pager['page'] * $this->pager['itemspage']) - $this->pager['itemspage'];
567
568                 }
569
570                 function init_pagehead() {
571                         $interval = ((local_user()) ? get_pconfig(local_user(),'system','update_interval') : 40000);
572                         if($interval < 10000)
573                                 $interval = 40000;
574
575                         $this->page['title'] = $this->config['sitename'];
576                         $tpl = get_markup_template('head.tpl');
577                         $this->page['htmlhead'] = replace_macros($tpl,array(
578                                 '$baseurl' => $this->get_baseurl(), // FIXME for z_path!!!!
579                                 '$local_user' => local_user(),
580                                 '$generator' => 'Friendica' . ' ' . FRIENDICA_VERSION,
581                                 '$delitem' => t('Delete this item?'),
582                                 '$comment' => t('Comment'),
583                                 '$showmore' => t('show more'),
584                                 '$showfewer' => t('show fewer'),
585                                 '$update_interval' => $interval
586                         ));
587                 }
588
589                 function init_page_end() {
590                         $tpl = get_markup_template('end.tpl');
591                         $this->page['end'] = replace_macros($tpl,array(
592                                 '$baseurl' => $this->get_baseurl() // FIXME for z_path!!!!
593                         ));
594                 }
595
596                 function set_curl_code($code) {
597                         $this->curl_code = $code;
598                 }
599
600                 function get_curl_code() {
601                         return $this->curl_code;
602                 }
603
604                 function set_curl_headers($headers) {
605                         $this->curl_headers = $headers;
606                 }
607
608                 function get_curl_headers() {
609                         return $this->curl_headers;
610                 }
611
612                 function get_cached_avatar_image($avatar_image){
613                         if($this->cached_profile_image[$avatar_image])
614                                 return $this->cached_profile_image[$avatar_image];
615
616                         $path_parts = explode("/",$avatar_image);
617                         $common_filename = $path_parts[count($path_parts)-1];
618
619                         if($this->cached_profile_picdate[$common_filename]){
620                                 $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
621                         } else {
622                                 $r = q("SELECT `contact`.`avatar-date` AS picdate FROM `contact` WHERE `contact`.`thumb` like \"%%/%s\"",
623                                         $common_filename);
624                                 if(! count($r)){
625                                         $this->cached_profile_image[$avatar_image] = $avatar_image;
626                                 } else {
627                                         $this->cached_profile_picdate[$common_filename] = "?rev=" . urlencode($r[0]['picdate']);
628                                         $this->cached_profile_image[$avatar_image] = $avatar_image . $this->cached_profile_picdate[$common_filename];
629                                 }
630                         }
631                         return $this->cached_profile_image[$avatar_image];
632                 }
633
634
635         }
636 }
637
638 // retrieve the App structure
639 // useful in functions which require it but don't get it passed to them
640
641 if(! function_exists('get_app')) {
642         function get_app() {
643                 global $a;
644                 return $a;
645         }
646 };
647
648
649 // Multi-purpose function to check variable state.
650 // Usage: x($var) or $x($array,'key')
651 // returns false if variable/key is not set
652 // if variable is set, returns 1 if has 'non-zero' value, otherwise returns 0.
653 // e.g. x('') or x(0) returns 0;
654
655 if(! function_exists('x')) {
656         function x($s,$k = NULL) {
657                 if($k != NULL) {
658                         if((is_array($s)) && (array_key_exists($k,$s))) {
659                                 if($s[$k])
660                                         return (int) 1;
661                                 return (int) 0;
662                 }
663                         return false;
664                 }
665                 else {
666                         if(isset($s)) {
667                                 if($s) {
668                                         return (int) 1;
669                                 }
670                                 return (int) 0;
671                         }
672                         return false;
673                 }
674         }
675 }
676
677 // called from db initialisation if db is dead.
678
679 if(! function_exists('system_unavailable')) {
680         function system_unavailable() {
681                 include('system_unavailable.php');
682                 system_down();
683                 killme();
684         }
685 }
686
687
688
689 function clean_urls() {
690         global $a;
691         //      if($a->config['system']['clean_urls'])
692         return true;
693         //      return false;
694 }
695
696 function z_path() {
697         global $a;
698         $base = $a->get_baseurl();
699         if(! clean_urls())
700                 $base .= '/?q=';
701         return $base;
702 }
703
704 function z_root() {
705         global $a;
706         return $a->get_baseurl();
707 }
708
709 function absurl($path) {
710         if(strpos($path,'/') === 0)
711                 return z_path() . $path;
712         return $path;
713 }
714
715 function is_ajax() {
716         return (!empty($_SERVER['HTTP_X_REQUESTED_WITH']) && strtolower($_SERVER['HTTP_X_REQUESTED_WITH']) == 'xmlhttprequest');
717 }
718
719
720 // Primarily involved with database upgrade, but also sets the
721 // base url for use in cmdline programs which don't have
722 // $_SERVER variables, and synchronising the state of installed plugins.
723
724
725 if(! function_exists('check_config')) {
726         function check_config(&$a) {
727
728                 $build = get_config('system','build');
729                 if(! x($build))
730                         $build = set_config('system','build',DB_UPDATE_VERSION);
731
732                 $url = get_config('system','url');
733
734                 // if the url isn't set or the stored url is radically different
735                 // than the currently visited url, store the current value accordingly.
736                 // "Radically different" ignores common variations such as http vs https
737                 // and www.example.com vs example.com.
738                 // We will only change the url to an ip address if there is no existing setting
739
740                 if(! x($url))
741                         $url = set_config('system','url',$a->get_baseurl());
742                 if((! link_compare($url,$a->get_baseurl())) && (! preg_match("/^(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})$/",$a->get_hostname)))
743                         $url = set_config('system','url',$a->get_baseurl());
744
745
746                 if($build != DB_UPDATE_VERSION) {
747                         $stored = intval($build);
748                         $current = intval(DB_UPDATE_VERSION);
749                         if(($stored < $current) && file_exists('update.php')) {
750
751                                 load_config('database');
752
753                                 // We're reporting a different version than what is currently installed.
754                                 // Run any existing update scripts to bring the database up to current.
755
756                                 require_once('update.php');
757
758                                 // make sure that boot.php and update.php are the same release, we might be
759                                 // updating right this very second and the correct version of the update.php
760                                 // file may not be here yet. This can happen on a very busy site.
761
762                                 if(DB_UPDATE_VERSION == UPDATE_VERSION) {
763
764                                         for($x = $stored; $x < $current; $x ++) {
765                                                 if(function_exists('update_' . $x)) {
766
767                                                         // There could be a lot of processes running or about to run.
768                                                         // We want exactly one process to run the update command.
769                                                         // So store the fact that we're taking responsibility
770                                                         // after first checking to see if somebody else already has.
771
772                                                         // If the update fails or times-out completely you may need to
773                                                         // delete the config entry to try again.
774
775                                                         $t = get_config('database','update_' . $x);
776                                                         if($t !== false)
777                                                                 break;
778                                                         set_config('database','update_' . $x, time());
779
780                                                         // call the specific update
781
782                                                         $func = 'update_' . $x;
783                                                         $retval = $func();
784                                                         if($retval) {
785                                                                 //send the administrator an e-mail
786                                                                 $email_tpl = get_intltext_template("update_fail_eml.tpl");
787                                                                 $email_msg = replace_macros($email_tpl, array(
788                                                                         '$sitename' => $a->config['sitename'],
789                                                                         '$siteurl' =>  $a->get_baseurl(),
790                                                                         '$update' => $x,
791                                                                         '$error' => sprintf( t('Update %s failed. See error logs.'), $x)
792                                                                 ));
793                                                                 $subject=sprintf(t('Update Error at %s'), $a->get_baseurl());
794                                                                         
795                                                                 mail($a->config['admin_email'], $subject, $email_msg,
796                                                                         'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
797                                                                         . 'Content-type: text/plain; charset=UTF-8' . "\n"
798                                                                         . 'Content-transfer-encoding: 8bit' );
799                                                                 //try the logger
800                                                                 logger('CRITICAL: Update Failed: '. $x);
801                                                                 break;
802                                                         }
803                                                         else {
804                                                                 set_config('database','update_' . $x, 'success');
805                                                                 set_config('system','build', $x + 1);
806                                                         }                                                               
807                                                 }
808                                         }
809                                 }
810                         }
811                 }
812
813                 /**
814                  *
815                  * Synchronise plugins:
816                  *
817                  * $a->config['system']['addon'] contains a comma-separated list of names
818                  * of plugins/addons which are used on this system.
819                  * Go through the database list of already installed addons, and if we have
820                  * an entry, but it isn't in the config list, call the uninstall procedure
821                  * and mark it uninstalled in the database (for now we'll remove it).
822                  * Then go through the config list and if we have a plugin that isn't installed,
823                  * call the install procedure and add it to the database.
824                  *
825                  */
826
827                 $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
828                 if(count($r))
829                         $installed = $r;
830                 else
831                         $installed = array();
832
833                 $plugins = get_config('system','addon');
834                 $plugins_arr = array();
835
836                 if($plugins)
837                         $plugins_arr = explode(',',str_replace(' ', '',$plugins));
838
839                 $a->plugins = $plugins_arr;
840
841                 $installed_arr = array();
842
843                 if(count($installed)) {
844                         foreach($installed as $i) {
845                                 if(! in_array($i['name'],$plugins_arr)) {
846                                         uninstall_plugin($i['name']);
847                                 }
848                                 else {
849                                         $installed_arr[] = $i['name'];
850                                 }
851                         }
852                 }
853
854                 if(count($plugins_arr)) {
855                         foreach($plugins_arr as $p) {
856                                 if(! in_array($p,$installed_arr)) {
857                                         install_plugin($p);
858                                 }
859                         }
860                 }
861
862
863                 load_hooks();
864
865                 return;
866         }
867 }
868
869
870 function get_guid($size=16) {
871         $exists = true; // assume by default that we don't have a unique guid
872         do {
873                 $s = random_string($size);
874                 $r = q("select id from guid where guid = '%s' limit 1", dbesc($s));
875                 if(! count($r))
876                         $exists = false;
877         } while($exists);
878         q("insert into guid ( guid ) values ( '%s' ) ", dbesc($s));
879         return $s;
880 }
881
882
883 // wrapper for adding a login box. If $register == true provide a registration
884 // link. This will most always depend on the value of $a->config['register_policy'].
885 // returns the complete html for inserting into the page
886
887 if(! function_exists('login')) {
888         function login($register = false, $hiddens=false) {
889                 $a = get_app();
890                 $o = "";
891                 $reg = false;
892                 if ($register) {
893                         $reg = array(
894                                 'title' => t('Create a New Account'),
895                                 'desc' => t('Register')
896                         );
897                 }
898
899                 $noid = get_config('system','no_openid');
900         
901                 $dest_url = $a->get_baseurl(true) . '/' . $a->query_string;
902
903                 if(local_user()) {
904                         $tpl = get_markup_template("logout.tpl");
905                 }
906                 else {
907                         $tpl = get_markup_template("login.tpl");
908                         $_SESSION['return_url'] = $a->query_string;
909                 }
910
911
912                 $o .= replace_macros($tpl,array(
913
914                         '$dest_url'     => $dest_url,
915                         '$logout'       => t('Logout'),
916                         '$login'        => t('Login'),
917         
918                         '$lname'                => array('username', t('Nickname or Email address: ') , '', ''),
919                         '$lpassword'    => array('password', t('Password: '), '', ''),
920         
921                         '$openid'               => !$noid,
922                         '$lopenid'      => array('openid_url', t('Or login using OpenID: '),'',''),
923         
924                         '$hiddens'      => $hiddens,
925         
926                         '$register'     => $reg,
927         
928                         '$lostpass'     => t('Forgot your password?'),
929                         '$lostlink'     => t('Password Reset'),
930                 ));
931
932                 call_hooks('login_hook',$o);
933
934                 return $o;
935         }
936 }
937
938 // Used to end the current process, after saving session state.
939
940 if(! function_exists('killme')) {
941         function killme() {
942                 session_write_close();
943                 exit;
944         }
945 }
946
947 // redirect to another URL and terminate this process.
948
949 if(! function_exists('goaway')) {
950         function goaway($s) {
951                 header("Location: $s");
952                 killme();
953         }
954 }
955
956
957 // Returns the uid of locally logged in user or false.
958
959 if(! function_exists('local_user')) {
960         function local_user() {
961                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'uid')))
962                         return intval($_SESSION['uid']);
963                 return false;
964         }
965 }
966
967 // Returns contact id of authenticated site visitor or false
968
969 if(! function_exists('remote_user')) {
970         function remote_user() {
971                 if((x($_SESSION,'authenticated')) && (x($_SESSION,'visitor_id')))
972                         return intval($_SESSION['visitor_id']);
973                 return false;
974         }
975 }
976
977 // contents of $s are displayed prominently on the page the next time
978 // a page is loaded. Usually used for errors or alerts.
979
980 if(! function_exists('notice')) {
981         function notice($s) {
982                 $a = get_app();
983                 if(! x($_SESSION,'sysmsg'))     $_SESSION['sysmsg'] = array();
984                 if($a->interactive)
985                         $_SESSION['sysmsg'][] = $s;
986         }
987 }
988 if(! function_exists('info')) {
989         function info($s) {
990                 $a = get_app();
991                 if(! x($_SESSION,'sysmsg_info')) $_SESSION['sysmsg_info'] = array();
992                 if($a->interactive)
993                         $_SESSION['sysmsg_info'][] = $s;
994         }
995 }
996
997
998 // wrapper around config to limit the text length of an incoming message
999
1000 if(! function_exists('get_max_import_size')) {
1001         function get_max_import_size() {
1002                 global $a;
1003                 return ((x($a->config,'max_import_size')) ? $a->config['max_import_size'] : 0 );
1004         }
1005 }
1006
1007
1008
1009 /**
1010  *
1011  * Function : profile_load
1012  * @parameter App    $a
1013  * @parameter string $nickname
1014  * @parameter int    $profile
1015  *
1016  * Summary: Loads a profile into the page sidebar.
1017  * The function requires a writeable copy of the main App structure, and the nickname
1018  * of a registered local account.
1019  *
1020  * If the viewer is an authenticated remote viewer, the profile displayed is the
1021  * one that has been configured for his/her viewing in the Contact manager.
1022  * Passing a non-zero profile ID can also allow a preview of a selected profile
1023  * by the owner.
1024  *
1025  * Profile information is placed in the App structure for later retrieval.
1026  * Honours the owner's chosen theme for display.
1027  *
1028  */
1029
1030 if(! function_exists('profile_load')) {
1031         function profile_load(&$a, $nickname, $profile = 0) {
1032                 if(remote_user()) {
1033                         $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
1034                                         intval($_SESSION['visitor_id']));
1035                         if(count($r))
1036                                 $profile = $r[0]['profile-id'];
1037                 }
1038
1039                 $r = null;
1040                           
1041                 if($profile) {
1042                         $profile_int = intval($profile);
1043                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1044                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1045                                         WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d and `contact`.`self` = 1 LIMIT 1",
1046                                         dbesc($nickname),
1047                                         intval($profile_int)
1048                         );
1049                 }
1050                 if((! $r) && (!  count($r))) {
1051                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
1052                                         left join `contact` on `contact`.`uid` = `profile`.`uid` LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
1053                                         WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
1054                                         dbesc($nickname)
1055                         );
1056                 }
1057
1058                 if(($r === false) || (! count($r))) {
1059                         logger('profile error: ' . $a->query_string, LOGGER_DEBUG);
1060                         notice( t('Requested profile is not available.') . EOL );
1061                         $a->error = 404;
1062                         return;
1063                 }
1064         
1065                 // fetch user tags if this isn't the default profile
1066
1067                 if(! $r[0]['is-default']) {
1068                         $x = q("select `pub_keywords` from `profile` where uid = %d and `is-default` = 1 limit 1",
1069                                         intval($profile_uid)
1070                         );
1071                         if($x && count($x))
1072                                 $r[0]['pub_keywords'] = $x[0]['pub_keywords'];
1073                 }
1074
1075                 $a->profile = $r[0];
1076
1077
1078                 $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
1079                 $_SESSION['theme'] = $a->profile['theme'];
1080
1081                 /**
1082                  * load/reload current theme info
1083                  */
1084
1085                 $theme_info_file = "view/theme/".current_theme()."/theme.php";
1086                 if (file_exists($theme_info_file)){
1087                         require_once($theme_info_file);
1088                 }
1089
1090                 if(! (x($a->page,'aside')))
1091                         $a->page['aside'] = '';
1092
1093                 if(local_user() && local_user() == $a->profile['uid']) {
1094                         $a->page['aside'] .= replace_macros(get_markup_template('profile_edlink.tpl'),array(
1095                                 '$editprofile' => t('Edit profile'),
1096                                 '$profid' => $a->profile['id']
1097                         ));
1098                 }
1099
1100                 $block = (((get_config('system','block_public')) && (! local_user()) && (! remote_user())) ? true : false);
1101
1102                 $a->page['aside'] .= profile_sidebar($a->profile, $block);
1103
1104                 /*if(! $block)
1105                  $a->page['aside'] .= contact_block();*/
1106
1107                 return;
1108         }
1109 }
1110
1111
1112 /**
1113  *
1114  * Function: profile_sidebar
1115  *
1116  * Formats a profile for display in the sidebar.
1117  * It is very difficult to templatise the HTML completely
1118  * because of all the conditional logic.
1119  *
1120  * @parameter: array $profile
1121  *
1122  * Returns HTML string stuitable for sidebar inclusion
1123  * Exceptions: Returns empty string if passed $profile is wrong type or not populated
1124  *
1125  */
1126
1127
1128 if(! function_exists('profile_sidebar')) {
1129         function profile_sidebar($profile, $block = 0) {
1130
1131                 $a = get_app();
1132
1133                 $o = '';
1134                 $location = false;
1135                 $address = false;
1136                 $pdesc = true;
1137
1138                 if((! is_array($profile)) && (! count($profile)))
1139                         return $o;
1140
1141                 $profile['picdate'] = urlencode($profile['picdate']);
1142
1143                 call_hooks('profile_sidebar_enter', $profile);
1144
1145         
1146                 // don't show connect link to yourself
1147                 $connect = (($profile['uid'] != local_user()) ? t('Connect')  : False);
1148
1149                 // don't show connect link to authenticated visitors either
1150
1151                 if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
1152                         $connect = False;
1153
1154                 if(get_my_url() && $profile['unkmail'])
1155                         $wallmessage = t('Message');
1156                 else
1157                         $wallmessage = false;
1158
1159
1160
1161                 // show edit profile to yourself
1162                 if ($profile['uid'] == local_user()) {
1163                         $profile['edit'] = array($a->get_baseurl(). '/profiles', t('Profiles'),"", t('Manage/edit profiles'));
1164                 
1165                         $r = q("SELECT * FROM `profile` WHERE `uid` = %d",
1166                                         local_user());
1167                 
1168                         $profile['menu'] = array(
1169                                 'chg_photo' => t('Change profile photo'),
1170                                 'cr_new' => t('Create New Profile'),
1171                                 'entries' => array(),
1172                         );
1173
1174                         if(count($r)) {
1175
1176                                 foreach($r as $rr) {
1177                                         $profile['menu']['entries'][] = array(
1178                                                 'photo' => $rr['thumb'],
1179                                                 'id' => $rr['id'],
1180                                                 'alt' => t('Profile Image'),
1181                                                 'profile_name' => $rr['profile-name'],
1182                                                 'isdefault' => $rr['is-default'],
1183                                                 'visibile_to_everybody' =>  t('visible to everybody'),
1184                                                 'edit_visibility' => t('Edit visibility'),
1185
1186                                         );
1187                                 }
1188
1189
1190                         }
1191
1192
1193                 }
1194
1195
1196
1197         
1198                 if((x($profile,'address') == 1)
1199                                 || (x($profile,'locality') == 1)
1200                                 || (x($profile,'region') == 1)
1201                                 || (x($profile,'postal-code') == 1)
1202                                 || (x($profile,'country-name') == 1))
1203                         $location = t('Location:');
1204
1205                 $gender = ((x($profile,'gender') == 1) ? t('Gender:') : False);
1206
1207
1208                 $marital = ((x($profile,'marital') == 1) ?  t('Status:') : False);
1209
1210                 $homepage = ((x($profile,'homepage') == 1) ?  t('Homepage:') : False);
1211
1212                 if(($profile['hidewall'] || $block) && (! local_user()) && (! remote_user())) {
1213                         $location = $pdesc = $gender = $marital = $homepage = False;
1214                 }
1215
1216                 $firstname = ((strpos($profile['name'],' '))
1217                                 ? trim(substr($profile['name'],0,strpos($profile['name'],' '))) : $profile['name']);
1218                 $lastname = (($firstname === $profile['name']) ? '' : trim(substr($profile['name'],strlen($firstname))));
1219
1220                 $diaspora = array(
1221                         'podloc' => $a->get_baseurl(),
1222                         'searchable' => (($profile['publish'] && $profile['net-publish']) ? 'true' : 'false' ),
1223                         'nickname' => $profile['nickname'],
1224                         'fullname' => $profile['name'],
1225                         'firstname' => $firstname,
1226                         'lastname' => $lastname,
1227                         'photo300' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/300/' . $profile['uid'] . '.jpg'),
1228                         'photo100' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/100/' . $profile['uid'] . '.jpg'),
1229                         'photo50' => $a->get_cached_avatar_image($a->get_baseurl() . '/photo/custom/50/'  . $profile['uid'] . '.jpg'),
1230                 );
1231
1232                 if (!$block){
1233                         $contact_block = contact_block();
1234                 }
1235
1236
1237                 $tpl = get_markup_template('profile_vcard.tpl');
1238
1239                 $o .= replace_macros($tpl, array(
1240                         '$profile' => $profile,
1241                         '$connect'  => $connect,
1242                         '$wallmessage' => $wallmessage,
1243                         '$location' => template_escape($location),
1244                         '$gender'   => $gender,
1245                         '$pdesc'        => $pdesc,
1246                         '$marital'  => $marital,
1247                         '$homepage' => $homepage,
1248                         '$diaspora' => $diaspora,
1249                         '$contact_block' => $contact_block,
1250                 ));
1251
1252
1253                 $arr = array('profile' => &$profile, 'entry' => &$o);
1254
1255                 call_hooks('profile_sidebar', $arr);
1256
1257                 return $o;
1258         }
1259 }
1260
1261
1262 if(! function_exists('get_birthdays')) {
1263         function get_birthdays() {
1264
1265                 $a = get_app();
1266                 $o = '';
1267
1268                 if(! local_user())
1269                         return $o;
1270
1271                 $mobile_detect = new Mobile_Detect();
1272                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1273
1274                 if($is_mobile)
1275                         return $o;
1276
1277                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1278                 $bd_short = t('F d');
1279
1280                 $r = q("SELECT `event`.*, `event`.`id` AS `eid`, `contact`.* FROM `event`
1281                                 LEFT JOIN `contact` ON `contact`.`id` = `event`.`cid`
1282                                 WHERE `event`.`uid` = %d AND `type` = 'birthday' AND `start` < '%s' AND `finish` > '%s'
1283                                 ORDER BY `start` ASC ",
1284                                 intval(local_user()),
1285                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1286                                 dbesc(datetime_convert('UTC','UTC','now'))
1287                 );
1288
1289                 if($r && count($r)) {
1290                         $total = 0;
1291                         $now = strtotime('now');
1292                         $cids = array();
1293
1294                         $istoday = false;
1295                         foreach($r as $rr) {
1296                                 if(strlen($rr['name']))
1297                                         $total ++;
1298                                 if((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now))
1299                                         $istoday = true;
1300                         }
1301                         $classtoday = $istoday ? ' birthday-today ' : '';
1302                         if($total) {
1303                                 foreach($r as &$rr) {
1304                                         if(! strlen($rr['name']))
1305                                                 continue;
1306
1307                                         // avoid duplicates
1308
1309                                         if(in_array($rr['cid'],$cids))
1310                                                 continue;
1311                                         $cids[] = $rr['cid'];
1312
1313                                         $today = (((strtotime($rr['start'] . ' +00:00') < $now) && (strtotime($rr['finish'] . ' +00:00') > $now)) ? true : false);
1314                                         $sparkle = '';
1315                                         $url = $rr['url'];
1316                                         if($rr['network'] === NETWORK_DFRN) {
1317                                                 $sparkle = " sparkle";
1318                                                 $url = $a->get_baseurl() . '/redir/'  . $rr['cid'];
1319                                         }
1320         
1321                                         $rr['link'] = $url;
1322                                         $rr['title'] = $rr['name'];
1323                                         $rr['date'] = day_translate(datetime_convert('UTC', $a->timezone, $rr['start'], $rr['adjust'] ? $bd_format : $bd_short)) . (($today) ?  ' ' . t('[today]') : '');
1324                                         $rr['startime'] = Null;
1325                                         $rr['today'] = $today;
1326         
1327                                 }
1328                         }
1329                 }
1330                 $tpl = get_markup_template("birthdays_reminder.tpl");
1331                 return replace_macros($tpl, array(
1332                         '$baseurl' => $a->get_baseurl(),
1333                         '$classtoday' => $classtoday,
1334                         '$count' => $total,
1335                         '$event_reminders' => t('Birthday Reminders'),
1336                         '$event_title' => t('Birthdays this week:'),
1337                         '$events' => $r,
1338                         '$lbr' => '{',  // raw brackets mess up if/endif macro processing
1339                         '$rbr' => '}'
1340
1341                 ));
1342         }
1343 }
1344
1345
1346 if(! function_exists('get_events')) {
1347         function get_events() {
1348
1349                 require_once('include/bbcode.php');
1350
1351                 $a = get_app();
1352
1353                 if(! local_user())
1354                         return $o;
1355
1356
1357                 $mobile_detect = new Mobile_Detect();
1358                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1359
1360                 if($is_mobile)
1361                         return $o;
1362
1363                 $bd_format = t('g A l F d') ; // 8 AM Friday January 18
1364                 $bd_short = t('F d');
1365
1366                 $r = q("SELECT `event`.* FROM `event`
1367                                 WHERE `event`.`uid` = %d AND `type` != 'birthday' AND `start` < '%s' AND `start` > '%s'
1368                                 ORDER BY `start` ASC ",
1369                                 intval(local_user()),
1370                                 dbesc(datetime_convert('UTC','UTC','now + 6 days')),
1371                                 dbesc(datetime_convert('UTC','UTC','now - 1 days'))
1372                 );
1373
1374                 if($r && count($r)) {
1375                         $now = strtotime('now');
1376                         $istoday = false;
1377                         foreach($r as $rr) {
1378                                 if(strlen($rr['name']))
1379                                         $total ++;
1380
1381                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start'],'Y-m-d');
1382                                 if($strt === datetime_convert('UTC',$a->timezone,'now','Y-m-d'))
1383                                         $istoday = true;
1384                         }
1385                         $classtoday = (($istoday) ? 'event-today' : '');
1386
1387
1388                         foreach($r as &$rr) {
1389                                 if($rr['adjust'])
1390                                         $md = datetime_convert('UTC',$a->timezone,$rr['start'],'Y/m');
1391                                 else
1392                                         $md = datetime_convert('UTC','UTC',$rr['start'],'Y/m');
1393                                 $md .= "/#link-".$rr['id'];
1394
1395                                 $title = substr(strip_tags(bbcode($rr['desc'])),0,32) . '... ';
1396                                 if(! $title)
1397                                         $title = t('[No description]');
1398
1399                                 $strt = datetime_convert('UTC',$rr['convert'] ? $a->timezone : 'UTC',$rr['start']);
1400                                 $today = ((substr($strt,0,10) === datetime_convert('UTC',$a->timezone,'now','Y-m-d')) ? true : false);
1401                                 
1402                                 $rr['link'] = $md;
1403                                 $rr['title'] = $title;
1404                                 $rr['date'] = day_translate(datetime_convert('UTC', $rr['adjust'] ? $a->timezone : 'UTC', $rr['start'], $bd_format)) . (($today) ?  ' ' . t('[today]') : '');
1405                                 $rr['startime'] = $strt;
1406                                 $rr['today'] = $today;
1407                         }
1408                 }
1409
1410                 $tpl = get_markup_template("events_reminder.tpl");
1411                 return replace_macros($tpl, array(
1412                         '$baseurl' => $a->get_baseurl(),
1413                         '$classtoday' => $classtoday,
1414                         '$count' => count($r),
1415                         '$event_reminders' => t('Event Reminders'),
1416                         '$event_title' => t('Events this week:'),
1417                         '$events' => $r,
1418                 ));
1419         }
1420 }
1421
1422
1423 /**
1424  *
1425  * Wrap calls to proc_close(proc_open()) and call hook
1426  * so plugins can take part in process :)
1427  *
1428  * args:
1429  * $cmd program to run
1430  *  next args are passed as $cmd command line
1431  *
1432  * e.g.: proc_run("ls","-la","/tmp");
1433  *
1434  * $cmd and string args are surrounded with ""
1435  */
1436
1437 if(! function_exists('proc_run')) {
1438         function proc_run($cmd){
1439
1440                 $a = get_app();
1441
1442                 $args = func_get_args();
1443
1444                 $newargs = array();
1445                 if(! count($args))
1446                         return;
1447
1448                 // expand any arrays
1449
1450                 foreach($args as $arg) {
1451                         if(is_array($arg)) {
1452                                 foreach($arg as $n) {
1453                                         $newargs[] = $n;
1454                                 }
1455                         }
1456                         else
1457                                 $newargs[] = $arg;
1458                 }
1459
1460                 $args = $newargs;
1461                 
1462                 $arr = array('args' => $args, 'run_cmd' => true);
1463
1464                 call_hooks("proc_run", $arr);
1465                 if(! $arr['run_cmd'])
1466                         return;
1467
1468                 if(count($args) && $args[0] === 'php')
1469                         $args[0] = ((x($a->config,'php_path')) && (strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
1470                 for($x = 0; $x < count($args); $x ++)
1471                         $args[$x] = escapeshellarg($args[$x]);
1472
1473                 $cmdline = implode($args," ");
1474                 proc_close(proc_open($cmdline." &",array(),$foo));
1475         }
1476 }
1477
1478 if(! function_exists('current_theme')) {
1479         function current_theme(){
1480                 $app_base_themes = array('duepuntozero', 'dispy', 'quattro');
1481         
1482                 $a = get_app();
1483         
1484                 $mobile_detect = new Mobile_Detect();
1485                 $is_mobile = $mobile_detect->isMobile() || $mobile_detect->isTablet();
1486         
1487                 if($is_mobile) {
1488                         $system_theme = ((isset($a->config['system']['mobile-theme'])) ? $a->config['system']['mobile-theme'] : '');
1489                         $theme_name = ((isset($_SESSION) && x($_SESSION,'mobile-theme')) ? $_SESSION['mobile-theme'] : $system_theme);
1490                 }
1491                 if(!$is_mobile || ($system_theme === '' && $theme_name === '')) {
1492                         $system_theme = ((isset($a->config['system']['theme'])) ? $a->config['system']['theme'] : '');
1493                         $theme_name = ((isset($_SESSION) && x($_SESSION,'theme')) ? $_SESSION['theme'] : $system_theme);
1494                 }
1495
1496                 if($theme_name &&
1497                                 (file_exists('view/theme/' . $theme_name . '/style.css') ||
1498                                                 file_exists('view/theme/' . $theme_name . '/style.php')))
1499                         return($theme_name);
1500         
1501                 foreach($app_base_themes as $t) {
1502                         if(file_exists('view/theme/' . $t . '/style.css')||
1503                                         file_exists('view/theme/' . $t . '/style.php'))
1504                                 return($t);
1505                 }
1506         
1507                 $fallback = array_merge(glob('view/theme/*/style.css'),glob('view/theme/*/style.php'));
1508                 if(count($fallback))
1509                         return (str_replace('view/theme/','', substr($fallback[0],0,-10)));
1510         
1511         }
1512 }
1513
1514 /*
1515  * Return full URL to theme which is currently in effect.
1516 * Provide a sane default if nothing is chosen or the specified theme does not exist.
1517 */
1518 if(! function_exists('current_theme_url')) {
1519         function current_theme_url() {
1520                 global $a;
1521                 $t = current_theme();
1522                 if (file_exists('view/theme/' . $t . '/style.php'))
1523                         return($a->get_baseurl() . '/view/theme/' . $t . '/style.pcss');
1524                 return($a->get_baseurl() . '/view/theme/' . $t . '/style.css');
1525         }
1526 }
1527
1528 if(! function_exists('feed_birthday')) {
1529         function feed_birthday($uid,$tz) {
1530
1531                 /**
1532                  *
1533                  * Determine the next birthday, but only if the birthday is published
1534                  * in the default profile. We _could_ also look for a private profile that the
1535                  * recipient can see, but somebody could get mad at us if they start getting
1536                  * public birthday greetings when they haven't made this info public.
1537                  *
1538                  * Assuming we are able to publish this info, we are then going to convert
1539                  * the start time from the owner's timezone to UTC.
1540                  *
1541                  * This will potentially solve the problem found with some social networks
1542                  * where birthdays are converted to the viewer's timezone and salutations from
1543                  * elsewhere in the world show up on the wrong day. We will convert it to the
1544                  * viewer's timezone also, but first we are going to convert it from the birthday
1545                  * person's timezone to GMT - so the viewer may find the birthday starting at
1546                  * 6:00PM the day before, but that will correspond to midnight to the birthday person.
1547                  *
1548                  */
1549
1550         
1551                 $birthday = '';
1552
1553                 if(! strlen($tz))
1554                         $tz = 'UTC';
1555
1556                 $p = q("SELECT `dob` FROM `profile` WHERE `is-default` = 1 AND `uid` = %d LIMIT 1",
1557                                 intval($uid)
1558                 );
1559
1560                 if($p && count($p)) {
1561                         $tmp_dob = substr($p[0]['dob'],5);
1562                         if(intval($tmp_dob)) {
1563                                 $y = datetime_convert($tz,$tz,'now','Y');
1564                                 $bd = $y . '-' . $tmp_dob . ' 00:00';
1565                                 $t_dob = strtotime($bd);
1566                                 $now = strtotime(datetime_convert($tz,$tz,'now'));
1567                                 if($t_dob < $now)
1568                                         $bd = $y + 1 . '-' . $tmp_dob . ' 00:00';
1569                                 $birthday = datetime_convert($tz,'UTC',$bd,ATOM_TIME);
1570                         }
1571                 }
1572
1573                 return $birthday;
1574         }
1575 }
1576
1577 if(! function_exists('is_site_admin')) {
1578         function is_site_admin() {
1579                 $a = get_app();
1580                 if(local_user() && x($a->user,'email') && x($a->config,'admin_email') && ($a->user['email'] === $a->config['admin_email']))
1581                         return true;
1582                 return false;
1583         }
1584 }
1585
1586
1587 if(! function_exists('load_contact_links')) {
1588         function load_contact_links($uid) {
1589
1590                 $a = get_app();
1591
1592                 $ret = array();
1593
1594                 if(! $uid || x($a->contacts,'empty'))
1595                         return;
1596
1597                 $r = q("SELECT `id`,`network`,`url`,`thumb` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 ",
1598                                 intval($uid)
1599                 );
1600                 if(count($r)) {
1601                         foreach($r as $rr){
1602                                 $url = normalise_link($rr['url']);
1603                                 $ret[$url] = $rr;
1604                         }
1605                 }
1606                 else
1607                         $ret['empty'] = true;
1608                 $a->contacts = $ret;
1609                 return;
1610         }
1611 }
1612
1613 if(! function_exists('profile_tabs')){
1614         function profile_tabs($a, $is_owner=False, $nickname=Null){
1615                 //echo "<pre>"; var_dump($a->user); killme();
1616         
1617                 if (is_null($nickname))
1618                         $nickname  = $a->user['nickname'];
1619                 
1620                 if(x($_GET,'tab'))
1621                         $tab = notags(trim($_GET['tab']));
1622         
1623                 $url = $a->get_baseurl() . '/profile/' . $nickname;
1624
1625                 $tabs = array(
1626                         array(
1627                                 'label'=>t('Status'),
1628                                 'url' => $url,
1629                                 'sel' => ((!isset($tab)&&$a->argv[0]=='profile')?'active':''),
1630                                 'title' => t('Status Messages and Posts'),
1631                                 'id' => 'status-tab',
1632                         ),
1633                         array(
1634                                 'label' => t('Profile'),
1635                                 'url'   => $url.'/?tab=profile',
1636                                 'sel'   => ((isset($tab) && $tab=='profile')?'active':''),
1637                                 'title' => t('Profile Details'),
1638                                 'id' => 'profile-tab',
1639                         ),
1640                         array(
1641                                 'label' => t('Photos'),
1642                                 'url'   => $a->get_baseurl() . '/photos/' . $nickname,
1643                                 'sel'   => ((!isset($tab)&&$a->argv[0]=='photos')?'active':''),
1644                                 'title' => t('Photo Albums'),
1645                                 'id' => 'photo-tab',
1646                         ),
1647                 );
1648         
1649                 if ($is_owner){
1650                         $tabs[] = array(
1651                                 'label' => t('Events'),
1652                                 'url'   => $a->get_baseurl() . '/events',
1653                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='events')?'active':''),
1654                                 'title' => t('Events and Calendar'),
1655                                 'id' => 'events-tab',
1656                         );
1657                         $tabs[] = array(
1658                                 'label' => t('Personal Notes'),
1659                                 'url'   => $a->get_baseurl() . '/notes',
1660                                 'sel'   =>((!isset($tab)&&$a->argv[0]=='notes')?'active':''),
1661                                 'title' => t('Only You Can See This'),
1662                                 'id' => 'notes-tab',
1663                         );
1664                 }
1665
1666
1667                 $arr = array('is_owner' => $is_owner, 'nickname' => $nickname, 'tab' => (($tab) ? $tab : false), 'tabs' => $tabs);
1668                 call_hooks('profile_tabs', $arr);
1669         
1670                 $tpl = get_markup_template('common_tabs.tpl');
1671
1672                 return replace_macros($tpl,array('$tabs' => $arr['tabs']));
1673         }
1674 }
1675
1676 function get_my_url() {
1677         if(x($_SESSION,'my_url'))
1678                 return $_SESSION['my_url'];
1679         return false;
1680 }
1681
1682 function zrl_init(&$a) {
1683         $tmp_str = get_my_url();
1684         if(validate_url($tmp_str)) {
1685                 proc_run('php','include/gprobe.php',bin2hex($tmp_str));
1686                 $arr = array('zrl' => $tmp_str, 'url' => $a->cmd);
1687                 call_hooks('zrl_init',$arr);
1688         }
1689 }
1690
1691 function zrl($s,$force = false) {
1692         if(! strlen($s))
1693                 return $s;
1694         if((! strpos($s,'/profile/')) && (! $force))
1695                 return $s;
1696         if($force && substr($s,-1,1) !== '/')
1697                 $s = $s . '/';
1698         $achar = strpos($s,'?') ? '&' : '?';
1699         $mine = get_my_url();
1700         if($mine and ! link_compare($mine,$s))
1701                 return $s . $achar . 'zrl=' . urlencode($mine);
1702         return $s;
1703 }
1704
1705 /**
1706 * returns querystring as string from a mapped array
1707 *
1708 * @param params Array 
1709 * @return string
1710 */
1711 function build_querystring($params, $name=null) { 
1712     $ret = ""; 
1713     foreach($params as $key=>$val) {
1714         if(is_array($val)) { 
1715             if($name==null) {
1716                 $ret .= build_querystring($val, $key); 
1717             } else {
1718                 $ret .= build_querystring($val, $name."[$key]");    
1719             }
1720         } else {
1721             $val = urlencode($val);
1722             if($name!=null) {
1723                 $ret.=$name."[$key]"."=$val&"; 
1724             } else {
1725                 $ret.= "$key=$val&"; 
1726             }
1727         } 
1728     } 
1729     return $ret;    
1730 }