]> git.mxchange.org Git - friendica.git/blob - mod/admin.php
Merge branch 'develop' of github.com:friendica/friendica into rhaeder-develop
[friendica.git] / mod / admin.php
1 <?php
2
3  /**
4  * @file mod/admin.php
5  * 
6  * @brief Friendica admin
7  */
8
9
10 require_once("include/enotify.php");
11 require_once("include/text.php");
12
13 /**
14  * @brief Process send data from the admin panels subpages
15  *
16  * This function acts as relais for processing the data send from the subpages
17  * of the admin panel. Depending on the 1st parameter of the url (argv[1])
18  * specialized functions are called to process the data from the subpages.
19  *
20  * The function itself does not return anything, but the subsequencely function
21  * return the HTML for the pages of the admin panel.
22  *
23  * @param App $a
24  *
25  */
26 function admin_post(&$a){
27
28
29         if(!is_site_admin()) {
30                 return;
31         }
32
33         // do not allow a page manager to access the admin panel at all.
34
35         if(x($_SESSION,'submanage') && intval($_SESSION['submanage']))
36                 return;
37
38
39
40         // urls
41         if($a->argc > 1) {
42                 switch ($a->argv[1]){
43                         case 'site':
44                                 admin_page_site_post($a);
45                                 break;
46                         case 'users':
47                                 admin_page_users_post($a);
48                                 break;
49                         case 'plugins':
50                                 if($a->argc > 2 &&
51                                         is_file("addon/".$a->argv[2]."/".$a->argv[2].".php")) {
52                                                 @include_once("addon/".$a->argv[2]."/".$a->argv[2].".php");
53                                                 if(function_exists($a->argv[2].'_plugin_admin_post')) {
54                                                         $func = $a->argv[2].'_plugin_admin_post';
55                                                         $func($a);
56                                                 }
57                                 }
58                                 goaway('admin/plugins/'.$a->argv[2]);
59                                 return; // NOTREACHED
60                                 break;
61                         case 'themes':
62                                 if($a->argc < 2) {
63                                         if(is_ajax()) return;
64                                         goaway('admin/');
65                                         return;
66                                 }
67
68                                 $theme = $a->argv[2];
69                                 if(is_file("view/theme/$theme/config.php")){
70                                         function __call_theme_admin_post(&$a, $theme) {
71                                                 $orig_theme = $a->theme;
72                                                 $orig_page = $a->page;
73                                                 $orig_session_theme = $_SESSION['theme'];
74                                                 require_once("view/theme/$theme/theme.php");
75                                                 require_once("view/theme/$theme/config.php");
76                                                 $_SESSION['theme'] = $theme;
77
78
79                                                 $init = $theme."_init";
80                                                 if(function_exists($init)) $init($a);
81                                                 if(function_exists("theme_admin_post")) {
82                                                         $admin_form = theme_admin_post($a);
83                                                 }
84
85                                                 $_SESSION['theme'] = $orig_session_theme;
86                                                 $a->theme = $orig_theme;
87                                                 $a->page = $orig_page;
88                                                 return $admin_form;
89                                         }
90                                         __call_theme_admin_post($a, $theme);
91                                 }
92                                 info(t('Theme settings updated.'));
93                                 if(is_ajax()) return;
94
95                                 goaway('admin/themes/'.$theme);
96                                 return;
97                                 break;
98                         case 'features':
99                                 admin_page_features_post($a);
100                                 break;
101                         case 'logs':
102                                 admin_page_logs_post($a);
103                                 break;
104                         case 'dbsync':
105                                 admin_page_dbsync_post($a);
106                                 break;
107                 }
108         }
109
110         goaway('admin');
111         return; // NOTREACHED
112 }
113
114 /**
115  * @brief Generates content of the admin panel pages
116  *
117  * This function generates the content for the admin panel. It consists of the
118  * aside menu (same for the entire admin panel) and the code for the soecified
119  * subpage of the panel.
120  *
121  * The structure of the adress is: /admin/subpage/details though "details" is
122  * only necessary for some subpages, like themes or addons where it is the name
123  * of one theme resp. addon from which the details should be shown. Content for
124  * the subpages is generated in separate functions for each of the subpages.
125  *
126  * The returned string hold the generated HTML code of the page.
127  *
128  * @param App $a
129  * @return string
130  */
131 function admin_content(&$a) {
132
133         if(!is_site_admin()) {
134                 return login(false);
135         }
136
137         if(x($_SESSION,'submanage') && intval($_SESSION['submanage']))
138                 return "";
139
140         // APC deactivated, since there are problems with PHP 5.5
141         //if (function_exists("apc_delete")) {
142         //      $toDelete = new APCIterator('user', APC_ITER_VALUE);
143         //      apc_delete($toDelete);
144         //}
145
146         // Header stuff
147         $a->page['htmlhead'] .= replace_macros(get_markup_template('admin_settings_head.tpl'), array());
148
149         /*
150          * Side bar links
151          */
152         $aside_tools = array();
153         // array(url, name, extra css classes)
154         // not part of $aside to make the template more adjustable
155         $aside_sub = array(
156                 'site'   =>     array("admin/site/", t("Site") , "site"),
157                 'users'  =>     array("admin/users/", t("Users") , "users"),
158                 'plugins'=>     array("admin/plugins/", t("Plugins") , "plugins"),
159                 'themes' =>     array("admin/themes/", t("Themes") , "themes"),
160                 'features' =>   array("admin/features/", t("Additional features") , "features"),
161                 'dbsync' =>     array("admin/dbsync/", t('DB updates'), "dbsync"),
162                 'queue'  =>     array("admin/queue/", t('Inspect Queue'), "queue"),
163                 'federation' => array("admin/federation/", t('Federation Statistics'), "federation"),
164         );
165
166         /* get plugins admin page */
167
168         $r = q("SELECT `name` FROM `addon` WHERE `plugin_admin`=1 ORDER BY `name`");
169         $aside_tools['plugins_admin']=array();
170         foreach ($r as $h){
171                 $plugin =$h['name'];
172                 $aside_tools['plugins_admin'][] = array("admin/plugins/".$plugin, $plugin, "plugin");
173                 // temp plugins with admin
174                 $a->plugins_admin[] = $plugin;
175         }
176
177         $aside_tools['logs'] = array("admin/logs/", t("Logs"), "logs");
178         $aside_tools['viewlogs'] = array("admin/viewlogs/", t("View Logs"), 'viewlogs');
179         $aside_tools['diagnostics_probe'] = array('probe/', t('probe address'), 'probe');
180         $aside_tools['diagnostics_webfinger'] = array('webfinger/', t('check webfinger'), 'webfinger');
181
182         $t = get_markup_template("admin_aside.tpl");
183         $a->page['aside'] .= replace_macros($t, array(
184                 '$admin' => $aside_tools,
185                 '$subpages' => $aside_sub,
186                 '$admtxt' => t('Admin'),
187                 '$plugadmtxt' => t('Plugin Features'),
188                 '$logtxt' => t('Logs'),
189                 '$diagnosticstxt' => t('diagnostics'),
190                 '$h_pending' => t('User registrations waiting for confirmation'),
191                 '$admurl'=> "admin/"
192         ));
193
194
195
196         /*
197          * Page content
198          */
199         $o = '';
200         // urls
201         if($a->argc > 1) {
202                 switch ($a->argv[1]){
203                         case 'site':
204                                 $o = admin_page_site($a);
205                                 break;
206                         case 'users':
207                                 $o = admin_page_users($a);
208                                 break;
209                         case 'plugins':
210                                 $o = admin_page_plugins($a);
211                                 break;
212                         case 'themes':
213                                 $o = admin_page_themes($a);
214                                 break;
215                         case 'features':
216                                 $o = admin_page_features($a);
217                                 break;
218                         case 'logs':
219                                 $o = admin_page_logs($a);
220                                 break;
221                         case 'viewlogs':
222                                 $o = admin_page_viewlogs($a);
223                                 break;
224                         case 'dbsync':
225                                 $o = admin_page_dbsync($a);
226                                 break;
227                         case 'queue':
228                                 $o = admin_page_queue($a);
229                                 break;
230                         case 'federation':
231                                 $o = admin_page_federation($a);
232                                 break;
233                         default:
234                                 notice(t("Item not found."));
235                 }
236         } else {
237                 $o = admin_page_summary($a);
238         }
239
240         if(is_ajax()) {
241                 echo $o;
242                 killme();
243                 return '';
244         } else {
245                 return $o;
246         }
247 }
248
249 /**
250  * @brief Subpage with some stats about "the federation" network
251  *
252  * This function generates the "Federation Statistics" subpage for the admin
253  * panel. The page lists some numbers to the part of "The Federation" known to
254  * the node. This data includes the different connected networks (e.g.
255  * Diaspora, Hubzilla, GNU Social) and the used versions in the different
256  * networks.
257  *
258  * The returned string contains the HTML code of the subpage for display.
259  *
260  * @param App $a
261  * @return string
262  */
263 function admin_page_federation(&$a) {
264         // get counts on active friendica, diaspora, redmatrix, hubzilla, gnu
265         // social and statusnet nodes this node is knowing
266         //
267         // We are looking for the following platforms in the DB, "Red" should find
268         // all variants of that platform ID string as the q() function is stripping
269         // off one % two of them are needed in the query
270         // Add more platforms if you like, when one returns 0 known nodes it is not
271         // displayed on the stats page.
272         $platforms = array('Friendica', 'Diaspora', '%%red%%', 'Hubzilla', 'GNU Social', 'StatusNet');
273         $colors    = array('Friendica' => '#ffc018',     // orange from the logo
274                            'Diaspora'  => '#a1a1a1',     // logo is black and white, makes a gray
275                            '%%red%%'   => '#c50001',     // fire red from the logo
276                            'Hubzilla'  => '#43488a',     // blue from the logo
277                            'GNU Social'=> '#a22430',     // dark red from the logo
278                            'StatusNet' => '#789240');    // the green from the logo (red and blue have already others
279         $counts = array();
280         $total = 0;
281
282         foreach ($platforms as $p) {
283                 // get a total count for the platform, the name and version of the
284                 // highest version and the protocol tpe
285                 $c = q('SELECT count(*) AS total, platform, network, version FROM gserver
286                         WHERE platform LIKE "%s" AND last_contact > last_failure
287                         ORDER BY version ASC;', $p);
288                 $total = $total + $c[0]['total'];
289
290                 // what versions for that platform do we know at all?
291                 // again only the active nodes
292                 $v = q('SELECT count(*) AS total, version FROM gserver
293                         WHERE last_contact > last_failure AND platform LIKE "%s" 
294                         GROUP BY version
295                         ORDER BY version;', $p);
296
297                 //
298                 // clean up version numbers
299                 //
300                 // in the DB the Diaspora versions have the format x.x.x.x-xx the last
301                 // part (-xx) should be removed to clean up the versions from the "head
302                 // commit" information and combined into a single entry for x.x.x.x
303                 if($p=='Diaspora') {
304                         $newV = array();
305                         $newVv = array();
306                         foreach($v as $vv) {
307                                 $newVC = $vv['total'];
308                                 $newVV = $vv['version'];
309                                 $posDash = strpos($newVV, '-');
310                                 if($posDash) 
311                                         $newVV = substr($newVV, 0, $posDash);
312                                 if(isset($newV[$newVV]))
313                                         $newV[$newVV] += $newVC; 
314                                 else
315                                         $newV[$newVV] = $newVC; 
316                         }
317                         foreach ($newV as $key => $value) {
318                                 array_push($newVv, array('total'=>$value, 'version'=>$key));
319                         }
320                         $v = $newVv;
321                 }
322
323                 // early friendica versions have the format x.x.xxxx where xxxx is the
324                 // DB version stamp; those should be operated out and versions be
325                 // conbined
326                 if($p=='Friendica') {
327                         $newV = array();
328                         $newVv = array();
329                         foreach ($v as $vv) {
330                                 $newVC = $vv['total'];
331                                 $newVV = $vv['version'];
332                                 $lastDot = strrpos($newVV,'.');
333                                 $len = strlen($newVV)-1;
334                                 if(($lastDot == $len-4) && (!strrpos($newVV,'-rc')==$len-3))
335                                         $newVV = substr($newVV, 0, $lastDot);
336                                 if(isset($newV[$newVV]))
337                                         $newV[$newVV] += $newVC;
338                                 else
339                                         $newV[$newVV] = $newVC;
340                         }
341                         foreach ($newV as $key => $value) {
342                                 array_push($newVv, array('total'=>$value, 'version'=>$key));
343                         }
344                         $v = $newVv;
345                 }
346
347                 // the 3rd array item is needed for the JavaScript graphs as JS does
348                 // not like some characters in the names of variables...
349                 $counts[$p]=array($c[0], $v, str_replace(array(' ','%'),'',$p), $colors[$p]);
350         }
351
352         // some helpful text
353         $intro = t('This page offers you some numbers to the known part of the federated social network your Friendica node is part of. These numbers are not complete but only reflect the part of the network your node is aware of.');
354         $hint = t('The <em>Auto Discovered Contact Directory</em> feature is not enabled, it will improve the data displayed here.');
355
356         // load the template, replace the macros and return the page content
357         $t = get_markup_template("admin_federation.tpl");
358         return replace_macros($t, array(
359                 '$title' => t('Administration'),
360                 '$page' => t('Federation Statistics'),
361                 '$intro' => $intro,
362                 '$hint' => $hint,
363                 '$autoactive' => get_config('system', 'poco_completion'),
364                 '$counts' => $counts,
365                 '$version' => FRIENDICA_VERSION,
366                 '$legendtext' => sprintf(t('Currently this node is aware of %d nodes from the following platforms:'), $total),
367                 '$baseurl' => $a->get_baseurl(),
368         ));
369 }
370
371 /**
372  * @brief Admin Inspect Queue Page
373  *
374  * Generates a page for the admin to have a look into the current queue of
375  * postings that are not deliverabke. Shown are the name and url of the
376  * recipient, the delivery network and the dates when the posting was generated
377  * and the last time tried to deliver the posting.
378  *
379  * The returned string holds the content of the page.
380  *
381  * @param App $a
382  * @return string
383  */
384 function admin_page_queue(&$a) {
385         // get content from the queue table
386         $r = q("SELECT c.name,c.nurl,q.id,q.network,q.created,q.last from queue as q, contact as c where c.id=q.cid order by q.cid, q.created;");
387
388         $t = get_markup_template("admin_queue.tpl");
389         return replace_macros($t, array(
390                 '$title' => t('Administration'),
391                 '$page' => t('Inspect Queue'),
392                 '$count' => sizeof($r),
393                 'id_header' => t('ID'),
394                 '$to_header' => t('Recipient Name'),
395                 '$url_header' => t('Recipient Profile'),
396                 '$network_header' => t('Network'),
397                 '$created_header' => t('Created'),
398                 '$last_header' => t('Last Tried'),
399                 '$info' => t('This page lists the content of the queue for outgoing postings. These are postings the initial delivery failed for. They will be resend later and eventually deleted if the delivery fails permanently.'),
400                 '$entries' => $r,
401         ));
402 }
403
404 /**
405  * @brief Admin Summary Page
406  *
407  * The summary page is the "start page" of the admin panel. It gives the admin
408  * a first overview of the open adminastrative tasks.
409  *
410  * The returned string contains the HTML content of the generated page.
411  *
412  * @param App $a
413  * @return string
414  */
415 function admin_page_summary(&$a) {
416         $r = q("SELECT `page-flags`, COUNT(uid) as `count` FROM `user` GROUP BY `page-flags`");
417         $accounts = array(
418                 array(t('Normal Account'), 0),
419                 array(t('Soapbox Account'), 0),
420                 array(t('Community/Celebrity Account'), 0),
421                 array(t('Automatic Friend Account'), 0),
422                 array(t('Blog Account'), 0),
423                 array(t('Private Forum'), 0)
424         );
425
426         $users=0;
427         foreach ($r as $u){ $accounts[$u['page-flags']][1] = $u['count']; $users+= $u['count']; }
428
429         logger('accounts: '.print_r($accounts,true),LOGGER_DATA);
430
431         $r = q("SELECT COUNT(id) as `count` FROM `register`");
432         $pending = $r[0]['count'];
433
434         $r = q("select count(*) as total from deliverq where 1");
435         $deliverq = (($r) ? $r[0]['total'] : 0);
436
437         $r = q("select count(*) as total from queue where 1");
438         $queue = (($r) ? $r[0]['total'] : 0);
439
440         // We can do better, but this is a quick queue status
441
442         $queues = array('label' => t('Message queues'), 'deliverq' => $deliverq, 'queue' => $queue);
443
444
445         $t = get_markup_template("admin_summary.tpl");
446         return replace_macros($t, array(
447                 '$title' => t('Administration'),
448                 '$page' => t('Summary'),
449                 '$queues' => $queues,
450                 '$users' => array(t('Registered users'), $users),
451                 '$accounts' => $accounts,
452                 '$pending' => array(t('Pending registrations'), $pending),
453                 '$version' => array(t('Version'), FRIENDICA_VERSION),
454                 '$baseurl' => $a->get_baseurl(),
455                 '$platform' => FRIENDICA_PLATFORM,
456                 '$codename' => FRIENDICA_CODENAME,
457                 '$build' =>  get_config('system','build'),
458                 '$plugins' => array(t('Active plugins'), $a->plugins)
459         ));
460 }
461
462 /**
463  * @brief Process send data from Admin Site Page
464  * 
465  * @param App $a
466  */
467 function admin_page_site_post(&$a) {
468         if(!x($_POST,"page_site")) {
469                 return;
470         }
471
472         check_form_security_token_redirectOnErr('/admin/site', 'admin_site');
473
474         // relocate
475         if(x($_POST,'relocate') && x($_POST,'relocate_url') && $_POST['relocate_url']!="") {
476                 $new_url = $_POST['relocate_url'];
477                 $new_url = rtrim($new_url,"/");
478
479                 $parsed = @parse_url($new_url);
480                 if(!$parsed || (!x($parsed,'host') || !x($parsed,'scheme'))) {
481                         notice(t("Can not parse base url. Must have at least <scheme>://<domain>"));
482                         goaway('admin/site');
483                 }
484
485                 /* steps:
486                  * replace all "baseurl" to "new_url" in config, profile, term, items and contacts
487                  * send relocate for every local user
488                  * */
489
490                 $old_url = $a->get_baseurl(true);
491
492                 function update_table($table_name, $fields, $old_url, $new_url) {
493                         global $db, $a;
494
495                         $dbold = dbesc($old_url);
496                         $dbnew = dbesc($new_url);
497
498                         $upd = array();
499                         foreach ($fields as $f) {
500                                 $upd[] = "`$f` = REPLACE(`$f`, '$dbold', '$dbnew')";
501                         }
502
503                         $upds = implode(", ", $upd);
504
505
506
507                         $q = sprintf("UPDATE %s SET %s;", $table_name, $upds);
508                         $r = q($q);
509                         if(!$r) {
510                                 notice("Failed updating '$table_name': ".$db->error);
511                                 goaway('admin/site');
512                         }
513                 }
514
515                 // update tables
516                 update_table("profile", array('photo', 'thumb'), $old_url, $new_url);
517                 update_table("term", array('url'), $old_url, $new_url);
518                 update_table("contact", array('photo','thumb','micro','url','nurl','request','notify','poll','confirm','poco'), $old_url, $new_url);
519                 update_table("gcontact", array('photo','url','nurl','server_url'), $old_url, $new_url);
520                 update_table("item", array('owner-link','owner-avatar','author-name','author-link','author-avatar','body','plink','tag'), $old_url, $new_url);
521
522                 // update config
523                 $a->set_baseurl($new_url);
524                 set_config('system','url',$new_url);
525
526                 // send relocate
527                 $users = q("SELECT uid FROM user WHERE account_removed = 0 AND account_expired = 0");
528
529                 foreach ($users as $user) {
530                         proc_run('php', 'include/notifier.php', 'relocate', $user['uid']);
531                 }
532
533                 info("Relocation started. Could take a while to complete.");
534
535                 goaway('admin/site');
536         }
537         // end relocate
538
539         $sitename               =       ((x($_POST,'sitename'))                 ? notags(trim($_POST['sitename']))              : '');
540         $hostname               =       ((x($_POST,'hostname'))                 ? notags(trim($_POST['hostname']))              : '');
541         $sender_email           =       ((x($_POST,'sender_email'))             ? notags(trim($_POST['sender_email']))          : '');
542         $banner                 =       ((x($_POST,'banner'))                   ? trim($_POST['banner'])                        : false);
543         $shortcut_icon          =       ((x($_POST,'shortcut_icon'))            ? notags(trim($_POST['shortcut_icon']))         : '');
544         $touch_icon             =       ((x($_POST,'touch_icon'))               ? notags(trim($_POST['touch_icon']))            : '');
545         $info                   =       ((x($_POST,'info'))                     ? trim($_POST['info'])                          : false);
546         $language               =       ((x($_POST,'language'))                 ? notags(trim($_POST['language']))              : '');
547         $theme                  =       ((x($_POST,'theme'))                    ? notags(trim($_POST['theme']))                 : '');
548         $theme_mobile           =       ((x($_POST,'theme_mobile'))             ? notags(trim($_POST['theme_mobile']))          : '');
549         $maximagesize           =       ((x($_POST,'maximagesize'))             ? intval(trim($_POST['maximagesize']))          :  0);
550         $maximagelength         =       ((x($_POST,'maximagelength'))           ? intval(trim($_POST['maximagelength']))        :  MAX_IMAGE_LENGTH);
551         $jpegimagequality       =       ((x($_POST,'jpegimagequality'))         ? intval(trim($_POST['jpegimagequality']))      :  JPEG_QUALITY);
552
553
554         $register_policy        =       ((x($_POST,'register_policy'))          ? intval(trim($_POST['register_policy']))       :  0);
555         $daily_registrations    =       ((x($_POST,'max_daily_registrations'))  ? intval(trim($_POST['max_daily_registrations']))       :0);
556         $abandon_days           =       ((x($_POST,'abandon_days'))             ? intval(trim($_POST['abandon_days']))          :  0);
557
558         $register_text          =       ((x($_POST,'register_text'))            ? notags(trim($_POST['register_text']))         : '');
559
560         $allowed_sites          =       ((x($_POST,'allowed_sites'))            ? notags(trim($_POST['allowed_sites']))         : '');
561         $allowed_email          =       ((x($_POST,'allowed_email'))            ? notags(trim($_POST['allowed_email']))         : '');
562         $block_public           =       ((x($_POST,'block_public'))             ? True                                          : False);
563         $force_publish          =       ((x($_POST,'publish_all'))              ? True                                          : False);
564         $global_directory       =       ((x($_POST,'directory'))                ? notags(trim($_POST['directory']))             : '');
565         $thread_allow           =       ((x($_POST,'thread_allow'))             ? True                                          : False);
566         $newuser_private                =       ((x($_POST,'newuser_private'))          ? True                                  : False);
567         $enotify_no_content             =       ((x($_POST,'enotify_no_content'))       ? True                                  : False);
568         $private_addons                 =       ((x($_POST,'private_addons'))           ? True                                  : False);
569         $disable_embedded               =       ((x($_POST,'disable_embedded'))         ? True                                  : False);
570         $allow_users_remote_self        =       ((x($_POST,'allow_users_remote_self'))  ? True                                  : False);
571
572         $no_multi_reg           =       ((x($_POST,'no_multi_reg'))             ? True                                          : False);
573         $no_openid              =       !((x($_POST,'no_openid'))               ? True                                          : False);
574         $no_regfullname         =       !((x($_POST,'no_regfullname'))          ? True                                          : False);
575         $no_utf                 =       !((x($_POST,'no_utf'))                  ? True                                          : False);
576         $community_page_style   =       ((x($_POST,'community_page_style'))     ? intval(trim($_POST['community_page_style']))  : 0);
577         $max_author_posts_community_page        =       ((x($_POST,'max_author_posts_community_page'))  ? intval(trim($_POST['max_author_posts_community_page']))       : 0);
578
579         $verifyssl              =       ((x($_POST,'verifyssl'))                ? True                                          : False);
580         $proxyuser              =       ((x($_POST,'proxyuser'))                ? notags(trim($_POST['proxyuser']))             : '');
581         $proxy                  =       ((x($_POST,'proxy'))                    ? notags(trim($_POST['proxy']))                 : '');
582         $timeout                =       ((x($_POST,'timeout'))                  ? intval(trim($_POST['timeout']))               : 60);
583         $delivery_interval      =       ((x($_POST,'delivery_interval'))        ? intval(trim($_POST['delivery_interval']))     : 0);
584         $poll_interval          =       ((x($_POST,'poll_interval'))            ? intval(trim($_POST['poll_interval']))         : 0);
585         $maxloadavg             =       ((x($_POST,'maxloadavg'))               ? intval(trim($_POST['maxloadavg']))            : 50);
586         $maxloadavg_frontend    =       ((x($_POST,'maxloadavg_frontend'))      ? intval(trim($_POST['maxloadavg_frontend']))   : 50);
587         $optimize_max_tablesize =       ((x($_POST,'optimize_max_tablesize'))   ? intval(trim($_POST['optimize_max_tablesize'])): 100);
588         $optimize_fragmentation =       ((x($_POST,'optimize_fragmentation'))   ? intval(trim($_POST['optimize_fragmentation'])): 30);
589         $poco_completion        =       ((x($_POST,'poco_completion'))          ? intval(trim($_POST['poco_completion']))       : false);
590         $poco_requery_days      =       ((x($_POST,'poco_requery_days'))        ? intval(trim($_POST['poco_requery_days']))     : 7);
591         $poco_discovery         =       ((x($_POST,'poco_discovery'))           ? intval(trim($_POST['poco_discovery']))        : 0);
592         $poco_discovery_since   =       ((x($_POST,'poco_discovery_since'))     ? intval(trim($_POST['poco_discovery_since']))  : 30);
593         $poco_local_search      =       ((x($_POST,'poco_local_search'))        ? intval(trim($_POST['poco_local_search']))     : false);
594         $nodeinfo               =       ((x($_POST,'nodeinfo'))                 ? intval(trim($_POST['nodeinfo']))              : false);
595         $dfrn_only              =       ((x($_POST,'dfrn_only'))                ? True                                          : False);
596         $ostatus_disabled       =       !((x($_POST,'ostatus_disabled'))        ? True                                          : False);
597         $ostatus_poll_interval  =       ((x($_POST,'ostatus_poll_interval'))    ? intval(trim($_POST['ostatus_poll_interval'])) :  0);
598         $diaspora_enabled       =       ((x($_POST,'diaspora_enabled'))         ? True                                          : False);
599         $ssl_policy             =       ((x($_POST,'ssl_policy'))               ? intval($_POST['ssl_policy'])                  : 0);
600         $force_ssl              =       ((x($_POST,'force_ssl'))                ? True                                          : False);
601         $old_share              =       ((x($_POST,'old_share'))                ? True                                          : False);
602         $hide_help              =       ((x($_POST,'hide_help'))                ? True                                          : False);
603         $suppress_language      =       ((x($_POST,'suppress_language'))        ? True                                          : False);
604         $suppress_tags          =       ((x($_POST,'suppress_tags'))            ? True                                          : False);
605         $use_fulltext_engine    =       ((x($_POST,'use_fulltext_engine'))      ? True                                          : False);
606         $itemcache              =       ((x($_POST,'itemcache'))                ? notags(trim($_POST['itemcache']))             : '');
607         $itemcache_duration     =       ((x($_POST,'itemcache_duration'))       ? intval($_POST['itemcache_duration'])          : 0);
608         $max_comments           =       ((x($_POST,'max_comments'))             ? intval($_POST['max_comments'])                : 0);
609         $lockpath               =       ((x($_POST,'lockpath'))                 ? notags(trim($_POST['lockpath']))              : '');
610         $temppath               =       ((x($_POST,'temppath'))                 ? notags(trim($_POST['temppath']))              : '');
611         $basepath               =       ((x($_POST,'basepath'))                 ? notags(trim($_POST['basepath']))              : '');
612         $singleuser             =       ((x($_POST,'singleuser'))               ? notags(trim($_POST['singleuser']))            : '');
613         $proxy_disabled         =       ((x($_POST,'proxy_disabled'))           ? True                                          : False);
614         $old_pager              =       ((x($_POST,'old_pager'))                ? True                                          : False);
615         $only_tag_search        =       ((x($_POST,'only_tag_search'))          ? True                                          : False);
616         $rino                   =       ((x($_POST,'rino'))                     ? intval($_POST['rino'])                        : 0);
617         $embedly                =       ((x($_POST,'embedly'))                  ? notags(trim($_POST['embedly']))               : '');
618
619         if($a->get_path() != "")
620                 $diaspora_enabled = false;
621
622         if(!$thread_allow)
623                 $ostatus_disabled = true;
624
625         if($ssl_policy != intval(get_config('system','ssl_policy'))) {
626                 if($ssl_policy == SSL_POLICY_FULL) {
627                         q("update `contact` set
628                                 `url`     = replace(`url`    , 'http:' , 'https:'),
629                                 `photo`   = replace(`photo`  , 'http:' , 'https:'),
630                                 `thumb`   = replace(`thumb`  , 'http:' , 'https:'),
631                                 `micro`   = replace(`micro`  , 'http:' , 'https:'),
632                                 `request` = replace(`request`, 'http:' , 'https:'),
633                                 `notify`  = replace(`notify` , 'http:' , 'https:'),
634                                 `poll`    = replace(`poll`   , 'http:' , 'https:'),
635                                 `confirm` = replace(`confirm`, 'http:' , 'https:'),
636                                 `poco`    = replace(`poco`   , 'http:' , 'https:')
637                                 where `self` = 1"
638                         );
639                         q("update `profile` set
640                                 `photo`   = replace(`photo`  , 'http:' , 'https:'),
641                                 `thumb`   = replace(`thumb`  , 'http:' , 'https:')
642                                 where 1 "
643                         );
644                 }
645                 elseif($ssl_policy == SSL_POLICY_SELFSIGN) {
646                         q("update `contact` set
647                                 `url`     = replace(`url`    , 'https:' , 'http:'),
648                                 `photo`   = replace(`photo`  , 'https:' , 'http:'),
649                                 `thumb`   = replace(`thumb`  , 'https:' , 'http:'),
650                                 `micro`   = replace(`micro`  , 'https:' , 'http:'),
651                                 `request` = replace(`request`, 'https:' , 'http:'),
652                                 `notify`  = replace(`notify` , 'https:' , 'http:'),
653                                 `poll`    = replace(`poll`   , 'https:' , 'http:'),
654                                 `confirm` = replace(`confirm`, 'https:' , 'http:'),
655                                 `poco`    = replace(`poco`   , 'https:' , 'http:')
656                                 where `self` = 1"
657                         );
658                         q("update `profile` set
659                                 `photo`   = replace(`photo`  , 'https:' , 'http:'),
660                                 `thumb`   = replace(`thumb`  , 'https:' , 'http:')
661                                 where 1 "
662                         );
663                 }
664         }
665         set_config('system','ssl_policy',$ssl_policy);
666         set_config('system','delivery_interval',$delivery_interval);
667         set_config('system','poll_interval',$poll_interval);
668         set_config('system','maxloadavg',$maxloadavg);
669         set_config('system','maxloadavg_frontend',$maxloadavg_frontend);
670         set_config('system','optimize_max_tablesize',$optimize_max_tablesize);
671         set_config('system','optimize_fragmentation',$optimize_fragmentation);
672         set_config('system','poco_completion',$poco_completion);
673         set_config('system','poco_requery_days',$poco_requery_days);
674         set_config('system','poco_discovery',$poco_discovery);
675         set_config('system','poco_discovery_since',$poco_discovery_since);
676         set_config('system','poco_local_search',$poco_local_search);
677         set_config('system','nodeinfo',$nodeinfo);
678         set_config('config','sitename',$sitename);
679         set_config('config','hostname',$hostname);
680         set_config('config','sender_email', $sender_email);
681         set_config('system','suppress_language',$suppress_language);
682         set_config('system','suppress_tags',$suppress_tags);
683         set_config('system','shortcut_icon',$shortcut_icon);
684         set_config('system','touch_icon',$touch_icon);
685
686         if($banner=="") {
687                 // don't know why, but del_config doesn't work...
688                 q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
689                         dbesc("system"),
690                         dbesc("banner")
691                 );
692         } else {
693                 set_config('system','banner', $banner);
694         }
695
696         if($info=="") {
697                 del_config('config','info');
698         } else {
699                 set_config('config','info',$info);
700         }
701         set_config('system','language', $language);
702         set_config('system','theme', $theme);
703
704         if($theme_mobile === '---') {
705                 del_config('system','mobile-theme');
706         } else {
707                 set_config('system','mobile-theme', $theme_mobile);
708                 }
709                 if($singleuser === '---') {
710                         del_config('system','singleuser');
711                 } else {
712                         set_config('system','singleuser', $singleuser);
713                 }
714         set_config('system','maximagesize', $maximagesize);
715         set_config('system','max_image_length', $maximagelength);
716         set_config('system','jpeg_quality', $jpegimagequality);
717
718         set_config('config','register_policy', $register_policy);
719         set_config('system','max_daily_registrations', $daily_registrations);
720         set_config('system','account_abandon_days', $abandon_days);
721         set_config('config','register_text', $register_text);
722         set_config('system','allowed_sites', $allowed_sites);
723         set_config('system','allowed_email', $allowed_email);
724         set_config('system','block_public', $block_public);
725         set_config('system','publish_all', $force_publish);
726         set_config('system','directory', $global_directory);
727         set_config('system','thread_allow', $thread_allow);
728         set_config('system','newuser_private', $newuser_private);
729         set_config('system','enotify_no_content', $enotify_no_content);
730         set_config('system','disable_embedded', $disable_embedded);
731         set_config('system','allow_users_remote_self', $allow_users_remote_self);
732
733         set_config('system','block_extended_register', $no_multi_reg);
734         set_config('system','no_openid', $no_openid);
735         set_config('system','no_regfullname', $no_regfullname);
736         set_config('system','community_page_style', $community_page_style);
737         set_config('system','max_author_posts_community_page', $max_author_posts_community_page);
738         set_config('system','no_utf', $no_utf);
739         set_config('system','verifyssl', $verifyssl);
740         set_config('system','proxyuser', $proxyuser);
741         set_config('system','proxy', $proxy);
742         set_config('system','curl_timeout', $timeout);
743         set_config('system','dfrn_only', $dfrn_only);
744         set_config('system','ostatus_disabled', $ostatus_disabled);
745         set_config('system','ostatus_poll_interval', $ostatus_poll_interval);
746         set_config('system','diaspora_enabled', $diaspora_enabled);
747
748         set_config('config','private_addons', $private_addons);
749
750         set_config('system','force_ssl', $force_ssl);
751         set_config('system','old_share', $old_share);
752         set_config('system','hide_help', $hide_help);
753         set_config('system','use_fulltext_engine', $use_fulltext_engine);
754         set_config('system','itemcache', $itemcache);
755         set_config('system','itemcache_duration', $itemcache_duration);
756         set_config('system','max_comments', $max_comments);
757         set_config('system','lockpath', $lockpath);
758         set_config('system','temppath', $temppath);
759         set_config('system','basepath', $basepath);
760         set_config('system','proxy_disabled', $proxy_disabled);
761         set_config('system','old_pager', $old_pager);
762         set_config('system','only_tag_search', $only_tag_search);
763
764
765         if($rino==2 and !function_exists('mcrypt_create_iv')) {
766                 notice(t("RINO2 needs mcrypt php extension to work."));
767         } else {
768                 set_config('system','rino_encrypt', $rino);
769         }
770
771         set_config('system','embedly', $embedly);
772
773
774         info(t('Site settings updated.').EOL);
775         goaway('admin/site');
776         return; // NOTREACHED
777
778 }
779
780 /**
781  * @brief Generate Admin Site subpage
782  *
783  * This function generates the main configuration page of the admin panel.
784  *
785  * @param  App $a
786  * @return string
787  */
788 function admin_page_site(&$a) {
789
790         /* Installed langs */
791         $lang_choices = get_avaiable_languages();
792
793         if(strlen(get_config('system','directory_submit_url')) AND
794                 !strlen(get_config('system','directory'))) {
795                         set_config('system','directory', dirname(get_config('system','directory_submit_url')));
796                         del_config('system','directory_submit_url');
797         }
798
799         /* Installed themes */
800         $theme_choices = array();
801         $theme_choices_mobile = array();
802         $theme_choices_mobile["---"] = t("No special theme for mobile devices");
803         $files = glob('view/theme/*');
804         if($files) {
805                 foreach($files as $file) {
806                         if(intval(file_exists($file.'/unsupported')))
807                                 continue;
808
809                         $f = basename($file);
810                         $theme_name = ((file_exists($file.'/experimental')) ?  sprintf("%s - \x28Experimental\x29", $f) : $f);
811                         if(file_exists($file.'/mobile')) {
812                                 $theme_choices_mobile[$f] = $theme_name;
813                         } else {
814                                 $theme_choices[$f] = $theme_name;
815                         }
816                 }
817         }
818
819         /* Community page style */
820         $community_page_style_choices = array(
821                 CP_NO_COMMUNITY_PAGE => t("No community page"),
822                 CP_USERS_ON_SERVER => t("Public postings from users of this site"),
823                 CP_GLOBAL_COMMUNITY => t("Global community page")
824                 );
825
826         /* OStatus conversation poll choices */
827         $ostatus_poll_choices = array(
828                 "-2" => t("Never"),
829                 "-1" => t("At post arrival"),
830                 "0" => t("Frequently"),
831                 "60" => t("Hourly"),
832                 "720" => t("Twice daily"),
833                 "1440" => t("Daily")
834                 );
835
836         $poco_discovery_choices = array(
837                 "0" => t("Disabled"),
838                 "1" => t("Users"),
839                 "2" => t("Users, Global Contacts"),
840                 "3" => t("Users, Global Contacts/fallback"),
841                 );
842
843         $poco_discovery_since_choices = array(
844                 "30" => t("One month"),
845                 "91" => t("Three months"),
846                 "182" => t("Half a year"),
847                 "365" => t("One year"),
848                 );
849
850         /* get user names to make the install a personal install of X */
851         $user_names = array();
852         $user_names['---'] = t('Multi user instance');
853         $users = q("SELECT username, nickname FROM `user`");
854         foreach ($users as $user) {
855                 $user_names[$user['nickname']] = $user['username'];
856         }
857
858         /* Banner */
859         $banner = get_config('system','banner');
860         if($banner == false)
861                 $banner = '<a href="http://friendica.com"><img id="logo-img" src="images/friendica-32.png" alt="logo" /></a><span id="logo-text"><a href="http://friendica.com">Friendica</a></span>';
862         $banner = htmlspecialchars($banner);
863         $info = get_config('config','info');
864         $info = htmlspecialchars($info);
865
866         // Automatically create temporary paths
867         get_temppath();
868         get_lockpath();
869         get_itemcachepath();
870
871         //echo "<pre>"; var_dump($lang_choices); die("</pre>");
872
873         /* Register policy */
874         $register_choices = array(
875                 REGISTER_CLOSED => t("Closed"),
876                 REGISTER_APPROVE => t("Requires approval"),
877                 REGISTER_OPEN => t("Open")
878         );
879
880         $ssl_choices = array(
881                 SSL_POLICY_NONE => t("No SSL policy, links will track page SSL state"),
882                 SSL_POLICY_FULL => t("Force all links to use SSL"),
883                 SSL_POLICY_SELFSIGN => t("Self-signed certificate, use SSL for local links only (discouraged)")
884         );
885
886         if($a->config['hostname'] == "")
887                 $a->config['hostname'] = $a->get_hostname();
888
889         $diaspora_able = ($a->get_path() == "");
890
891         $t = get_markup_template("admin_site.tpl");
892         return replace_macros($t, array(
893                 '$title' => t('Administration'),
894                 '$page' => t('Site'),
895                 '$submit' => t('Save Settings'),
896                 '$registration' => t('Registration'),
897                 '$upload' => t('File upload'),
898                 '$corporate' => t('Policies'),
899                 '$advanced' => t('Advanced'),
900                 '$portable_contacts' => t('Auto Discovered Contact Directory'),
901                 '$performance' => t('Performance'),
902                 '$relocate'=> t('Relocate - WARNING: advanced function. Could make this server unreachable.'),
903                 '$baseurl' => $a->get_baseurl(true),
904                 // name, label, value, help string, extra data...
905                 '$sitename'             => array('sitename', t("Site name"), $a->config['sitename'],''),
906                 '$hostname'             => array('hostname', t("Host name"), $a->config['hostname'], ""),
907                 '$sender_email'         => array('sender_email', t("Sender Email"), $a->config['sender_email'], t("The email address your server shall use to send notification emails from."), "", "", "email"),
908                 '$banner'               => array('banner', t("Banner/Logo"), $banner, ""),
909                 '$shortcut_icon'        => array('shortcut_icon', t("Shortcut icon"), get_config('system','shortcut_icon'),  t("Link to an icon that will be used for browsers.")),
910                 '$touch_icon'           => array('touch_icon', t("Touch icon"), get_config('system','touch_icon'),  t("Link to an icon that will be used for tablets and mobiles.")),
911                 '$info'                 => array('info',t('Additional Info'), $info, sprintf(t('For public servers: you can add additional information here that will be listed at %s/siteinfo.'), get_server())),
912                 '$language'             => array('language', t("System language"), get_config('system','language'), "", $lang_choices),
913                 '$theme'                => array('theme', t("System theme"), get_config('system','theme'), t("Default system theme - may be over-ridden by user profiles - <a href='#' id='cnftheme'>change theme settings</a>"), $theme_choices),
914                 '$theme_mobile'         => array('theme_mobile', t("Mobile system theme"), get_config('system','mobile-theme'), t("Theme for mobile devices"), $theme_choices_mobile),
915                 '$ssl_policy'           => array('ssl_policy', t("SSL link policy"), (string) intval(get_config('system','ssl_policy')), t("Determines whether generated links should be forced to use SSL"), $ssl_choices),
916                 '$force_ssl'            => array('force_ssl', t("Force SSL"), get_config('system','force_ssl'), t("Force all Non-SSL requests to SSL - Attention: on some systems it could lead to endless loops.")),
917                 '$old_share'            => array('old_share', t("Old style 'Share'"), get_config('system','old_share'), t("Deactivates the bbcode element 'share' for repeating items.")),
918                 '$hide_help'            => array('hide_help', t("Hide help entry from navigation menu"), get_config('system','hide_help'), t("Hides the menu entry for the Help pages from the navigation menu. You can still access it calling /help directly.")),
919                 '$singleuser'           => array('singleuser', t("Single user instance"), get_config('system','singleuser'), t("Make this instance multi-user or single-user for the named user"), $user_names),
920                 '$maximagesize'         => array('maximagesize', t("Maximum image size"), get_config('system','maximagesize'), t("Maximum size in bytes of uploaded images. Default is 0, which means no limits.")),
921                 '$maximagelength'       => array('maximagelength', t("Maximum image length"), get_config('system','max_image_length'), t("Maximum length in pixels of the longest side of uploaded images. Default is -1, which means no limits.")),
922                 '$jpegimagequality'     => array('jpegimagequality', t("JPEG image quality"), get_config('system','jpeg_quality'), t("Uploaded JPEGS will be saved at this quality setting [0-100]. Default is 100, which is full quality.")),
923
924                 '$register_policy'      => array('register_policy', t("Register policy"), $a->config['register_policy'], "", $register_choices),
925                 '$daily_registrations'  => array('max_daily_registrations', t("Maximum Daily Registrations"), get_config('system', 'max_daily_registrations'), t("If registration is permitted above, this sets the maximum number of new user registrations to accept per day.  If register is set to closed, this setting has no effect.")),
926                 '$register_text'        => array('register_text', t("Register text"), $a->config['register_text'], t("Will be displayed prominently on the registration page.")),
927                 '$abandon_days'         => array('abandon_days', t('Accounts abandoned after x days'), get_config('system','account_abandon_days'), t('Will not waste system resources polling external sites for abandonded accounts. Enter 0 for no time limit.')),
928                 '$allowed_sites'        => array('allowed_sites', t("Allowed friend domains"), get_config('system','allowed_sites'), t("Comma separated list of domains which are allowed to establish friendships with this site. Wildcards are accepted. Empty to allow any domains")),
929                 '$allowed_email'        => array('allowed_email', t("Allowed email domains"), get_config('system','allowed_email'), t("Comma separated list of domains which are allowed in email addresses for registrations to this site. Wildcards are accepted. Empty to allow any domains")),
930                 '$block_public'         => array('block_public', t("Block public"), get_config('system','block_public'), t("Check to block public access to all otherwise public personal pages on this site unless you are currently logged in.")),
931                 '$force_publish'        => array('publish_all', t("Force publish"), get_config('system','publish_all'), t("Check to force all profiles on this site to be listed in the site directory.")),
932                 '$global_directory'     => array('directory', t("Global directory URL"), get_config('system','directory'), t("URL to the global directory. If this is not set, the global directory is completely unavailable to the application.")),
933                 '$thread_allow'         => array('thread_allow', t("Allow threaded items"), get_config('system','thread_allow'), t("Allow infinite level threading for items on this site.")),
934                 '$newuser_private'      => array('newuser_private', t("Private posts by default for new users"), get_config('system','newuser_private'), t("Set default post permissions for all new members to the default privacy group rather than public.")),
935                 '$enotify_no_content'   => array('enotify_no_content', t("Don't include post content in email notifications"), get_config('system','enotify_no_content'), t("Don't include the content of a post/comment/private message/etc. in the email notifications that are sent out from this site, as a privacy measure.")),
936                 '$private_addons'       => array('private_addons', t("Disallow public access to addons listed in the apps menu."), get_config('config','private_addons'), t("Checking this box will restrict addons listed in the apps menu to members only.")),
937                 '$disable_embedded'     => array('disable_embedded', t("Don't embed private images in posts"), get_config('system','disable_embedded'), t("Don't replace locally-hosted private photos in posts with an embedded copy of the image. This means that contacts who receive posts containing private photos will have to authenticate and load each image, which may take a while.")),
938                 '$allow_users_remote_self' => array('allow_users_remote_self', t('Allow Users to set remote_self'), get_config('system','allow_users_remote_self'), t('With checking this, every user is allowed to mark every contact as a remote_self in the repair contact dialog. Setting this flag on a contact causes mirroring every posting of that contact in the users stream.')),
939                 '$no_multi_reg'         => array('no_multi_reg', t("Block multiple registrations"),  get_config('system','block_extended_register'), t("Disallow users to register additional accounts for use as pages.")),
940                 '$no_openid'            => array('no_openid', t("OpenID support"), !get_config('system','no_openid'), t("OpenID support for registration and logins.")),
941                 '$no_regfullname'       => array('no_regfullname', t("Fullname check"), !get_config('system','no_regfullname'), t("Force users to register with a space between firstname and lastname in Full name, as an antispam measure")),
942                 '$no_utf'               => array('no_utf', t("UTF-8 Regular expressions"), !get_config('system','no_utf'), t("Use PHP UTF8 regular expressions")),
943                 '$community_page_style' => array('community_page_style', t("Community Page Style"), get_config('system','community_page_style'), t("Type of community page to show. 'Global community' shows every public posting from an open distributed network that arrived on this server."), $community_page_style_choices),
944                 '$max_author_posts_community_page' => array('max_author_posts_community_page', t("Posts per user on community page"), get_config('system','max_author_posts_community_page'), t("The maximum number of posts per user on the community page. (Not valid for 'Global Community')")),
945                 '$ostatus_disabled'     => array('ostatus_disabled', t("Enable OStatus support"), !get_config('system','ostatus_disabled'), t("Provide built-in OStatus \x28StatusNet, GNU Social etc.\x29 compatibility. All communications in OStatus are public, so privacy warnings will be occasionally displayed.")),
946                 '$ostatus_poll_interval' => array('ostatus_poll_interval', t("OStatus conversation completion interval"), (string) intval(get_config('system','ostatus_poll_interval')), t("How often shall the poller check for new entries in OStatus conversations? This can be a very ressource task."), $ostatus_poll_choices),
947                 '$ostatus_not_able'     => t("OStatus support can only be enabled if threading is enabled."),
948                 '$diaspora_able'        => $diaspora_able,
949                 '$diaspora_not_able'    => t("Diaspora support can't be enabled because Friendica was installed into a sub directory."),
950                 '$diaspora_enabled'     => array('diaspora_enabled', t("Enable Diaspora support"), get_config('system','diaspora_enabled'), t("Provide built-in Diaspora network compatibility.")),
951                 '$dfrn_only'            => array('dfrn_only', t('Only allow Friendica contacts'), get_config('system','dfrn_only'), t("All contacts must use Friendica protocols. All other built-in communication protocols disabled.")),
952                 '$verifyssl'            => array('verifyssl', t("Verify SSL"), get_config('system','verifyssl'), t("If you wish, you can turn on strict certificate checking. This will mean you cannot connect (at all) to self-signed SSL sites.")),
953                 '$proxyuser'            => array('proxyuser', t("Proxy user"), get_config('system','proxyuser'), ""),
954                 '$proxy'                => array('proxy', t("Proxy URL"), get_config('system','proxy'), ""),
955                 '$timeout'              => array('timeout', t("Network timeout"), (x(get_config('system','curl_timeout'))?get_config('system','curl_timeout'):60), t("Value is in seconds. Set to 0 for unlimited (not recommended).")),
956                 '$delivery_interval'    => array('delivery_interval', t("Delivery interval"), (x(get_config('system','delivery_interval'))?get_config('system','delivery_interval'):2), t("Delay background delivery processes by this many seconds to reduce system load. Recommend: 4-5 for shared hosts, 2-3 for virtual private servers. 0-1 for large dedicated servers.")),
957                 '$poll_interval'        => array('poll_interval', t("Poll interval"), (x(get_config('system','poll_interval'))?get_config('system','poll_interval'):2), t("Delay background polling processes by this many seconds to reduce system load. If 0, use delivery interval.")),
958                 '$maxloadavg'           => array('maxloadavg', t("Maximum Load Average"), ((intval(get_config('system','maxloadavg')) > 0)?get_config('system','maxloadavg'):50), t("Maximum system load before delivery and poll processes are deferred - default 50.")),
959                 '$maxloadavg_frontend'  => array('maxloadavg_frontend', t("Maximum Load Average (Frontend)"), ((intval(get_config('system','maxloadavg_frontend')) > 0)?get_config('system','maxloadavg_frontend'):50), t("Maximum system load before the frontend quits service - default 50.")),
960                 '$optimize_max_tablesize'=> array('optimize_max_tablesize', t("Maximum table size for optimization"), ((intval(get_config('system','optimize_max_tablesize')) > 0)?get_config('system','optimize_max_tablesize'):100), t("Maximum table size (in MB) for the automatic optimization - default 100 MB. Enter -1 to disable it.")),
961                 '$optimize_fragmentation'=> array('optimize_fragmentation', t("Minimum level of fragmentation"), ((intval(get_config('system','optimize_fragmentation')) > 0)?get_config('system','optimize_fragmentation'):30), t("Minimum fragmenation level to start the automatic optimization - default value is 30%.")),
962
963                 '$poco_completion'      => array('poco_completion', t("Periodical check of global contacts"), get_config('system','poco_completion'), t("If enabled, the global contacts are checked periodically for missing or outdated data and the vitality of the contacts and servers.")),
964                 '$poco_requery_days'    => array('poco_requery_days', t("Days between requery"), get_config('system','poco_requery_days'), t("Number of days after which a server is requeried for his contacts.")),
965                 '$poco_discovery'       => array('poco_discovery', t("Discover contacts from other servers"), (string) intval(get_config('system','poco_discovery')), t("Periodically query other servers for contacts. You can choose between 'users': the users on the remote system, 'Global Contacts': active contacts that are known on the system. The fallback is meant for Redmatrix servers and older friendica servers, where global contacts weren't available. The fallback increases the server load, so the recommened setting is 'Users, Global Contacts'."), $poco_discovery_choices),
966                 '$poco_discovery_since' => array('poco_discovery_since', t("Timeframe for fetching global contacts"), (string) intval(get_config('system','poco_discovery_since')), t("When the discovery is activated, this value defines the timeframe for the activity of the global contacts that are fetched from other servers."), $poco_discovery_since_choices),
967                 '$poco_local_search'    => array('poco_local_search', t("Search the local directory"), get_config('system','poco_local_search'), t("Search the local directory instead of the global directory. When searching locally, every search will be executed on the global directory in the background. This improves the search results when the search is repeated.")),
968
969                 '$nodeinfo'             => array('nodeinfo', t("Publish server information"), get_config('system','nodeinfo'), t("If enabled, general server and usage data will be published. The data contains the name and version of the server, number of users with public profiles, number of posts and the activated protocols and connectors. See <a href='http://the-federation.info/'>the-federation.info</a> for details.")),
970
971                 '$use_fulltext_engine'  => array('use_fulltext_engine', t("Use MySQL full text engine"), get_config('system','use_fulltext_engine'), t("Activates the full text engine. Speeds up search - but can only search for four and more characters.")),
972                 '$suppress_language'    => array('suppress_language', t("Suppress Language"), get_config('system','suppress_language'), t("Suppress language information in meta information about a posting.")),
973                 '$suppress_tags'        => array('suppress_tags', t("Suppress Tags"), get_config('system','suppress_tags'), t("Suppress showing a list of hashtags at the end of the posting.")),
974                 '$itemcache'            => array('itemcache', t("Path to item cache"), get_config('system','itemcache'), t("The item caches buffers generated bbcode and external images.")),
975                 '$itemcache_duration'   => array('itemcache_duration', t("Cache duration in seconds"), get_config('system','itemcache_duration'), t("How long should the cache files be hold? Default value is 86400 seconds (One day). To disable the item cache, set the value to -1.")),
976                 '$max_comments'         => array('max_comments', t("Maximum numbers of comments per post"), get_config('system','max_comments'), t("How much comments should be shown for each post? Default value is 100.")),
977                 '$lockpath'             => array('lockpath', t("Path for lock file"), get_config('system','lockpath'), t("The lock file is used to avoid multiple pollers at one time. Only define a folder here.")),
978                 '$temppath'             => array('temppath', t("Temp path"), get_config('system','temppath'), t("If you have a restricted system where the webserver can't access the system temp path, enter another path here.")),
979                 '$basepath'             => array('basepath', t("Base path to installation"), get_config('system','basepath'), t("If the system cannot detect the correct path to your installation, enter the correct path here. This setting should only be set if you are using a restricted system and symbolic links to your webroot.")),
980                 '$proxy_disabled'       => array('proxy_disabled', t("Disable picture proxy"), get_config('system','proxy_disabled'), t("The picture proxy increases performance and privacy. It shouldn't be used on systems with very low bandwith.")),
981                 '$old_pager'            => array('old_pager', t("Enable old style pager"), get_config('system','old_pager'), t("The old style pager has page numbers but slows down massively the page speed.")),
982                 '$only_tag_search'      => array('only_tag_search', t("Only search in tags"), get_config('system','only_tag_search'), t("On large systems the text search can slow down the system extremely.")),
983
984                 '$relocate_url'         => array('relocate_url', t("New base url"), $a->get_baseurl(), t("Change base url for this server. Sends relocate message to all DFRN contacts of all users.")),
985
986                 '$rino'                 => array('rino', t("RINO Encryption"), intval(get_config('system','rino_encrypt')), t("Encryption layer between nodes."), array("Disabled", "RINO1 (deprecated)", "RINO2")),
987                 '$embedly'              => array('embedly', t("Embedly API key"), get_config('system','embedly'), t("<a href='http://embed.ly'>Embedly</a> is used to fetch additional data for web pages. This is an optional parameter.")),
988
989                 '$form_security_token'  => get_form_security_token("admin_site")
990
991         ));
992
993 }
994
995 /**
996  * @brief Generates admin panel subpage for DB syncronization
997  *
998  * This page checks if the database of friendica is in sync with the specs.
999  * Should this not be the case, it attemps to sync the structure and notifies
1000  * the admin if the automatic process was failing.
1001  *
1002  * The returned string holds the HTML code of the page.
1003  *
1004  * @param App $a
1005  * @return string
1006  **/
1007 function admin_page_dbsync(&$a) {
1008
1009         $o = '';
1010
1011         if($a->argc > 3 && intval($a->argv[3]) && $a->argv[2] === 'mark') {
1012                 set_config('database', 'update_'.intval($a->argv[3]), 'success');
1013                 $curr = get_config('system','build');
1014                 if(intval($curr) == intval($a->argv[3]))
1015                         set_config('system','build',intval($curr) + 1);
1016                 info(t('Update has been marked successful').EOL);
1017                 goaway('admin/dbsync');
1018         }
1019
1020         if(($a->argc > 2) AND (intval($a->argv[2]) OR ($a->argv[2] === 'check'))) {
1021                 require_once("include/dbstructure.php");
1022                 $retval = update_structure(false, true);
1023                 if(!$retval) {
1024                         $o .= sprintf(t("Database structure update %s was successfully applied."), DB_UPDATE_VERSION)."<br />";
1025                         set_config('database', 'dbupdate_'.DB_UPDATE_VERSION, 'success');
1026                 } else
1027                         $o .= sprintf(t("Executing of database structure update %s failed with error: %s"),
1028                                         DB_UPDATE_VERSION, $retval)."<br />";
1029                 if($a->argv[2] === 'check')
1030                         return $o;
1031         }
1032
1033         if($a->argc > 2 && intval($a->argv[2])) {
1034                 require_once('update.php');
1035                 $func = 'update_'.intval($a->argv[2]);
1036                 if(function_exists($func)) {
1037                         $retval = $func();
1038                         if($retval === UPDATE_FAILED) {
1039                                 $o .= sprintf(t("Executing %s failed with error: %s"), $func, $retval);
1040                         }
1041                         elseif($retval === UPDATE_SUCCESS) {
1042                                 $o .= sprintf(t('Update %s was successfully applied.', $func));
1043                                 set_config('database',$func, 'success');
1044                         }
1045                         else
1046                                 $o .= sprintf(t('Update %s did not return a status. Unknown if it succeeded.'), $func);
1047                 } else {
1048                         $o .= sprintf(t('There was no additional update function %s that needed to be called.'), $func)."<br />";
1049                         set_config('database',$func, 'success');
1050                 }
1051                 return $o;
1052         }
1053
1054         $failed = array();
1055         $r = q("select k, v from config where `cat` = 'database' ");
1056         if(count($r)) {
1057                 foreach($r as $rr) {
1058                         $upd = intval(substr($rr['k'],7));
1059                         if($upd < 1139 || $rr['v'] === 'success')
1060                                 continue;
1061                         $failed[] = $upd;
1062                 }
1063         }
1064         if(! count($failed)) {
1065                 $o = replace_macros(get_markup_template('structure_check.tpl'),array(
1066                         '$base' => $a->get_baseurl(true),
1067                         '$banner' => t('No failed updates.'),
1068                         '$check' => t('Check database structure'),
1069                 ));
1070         } else {
1071                 $o = replace_macros(get_markup_template('failed_updates.tpl'),array(
1072                         '$base' => $a->get_baseurl(true),
1073                         '$banner' => t('Failed Updates'),
1074                         '$desc' => t('This does not include updates prior to 1139, which did not return a status.'),
1075                         '$mark' => t('Mark success (if update was manually applied)'),
1076                         '$apply' => t('Attempt to execute this update step automatically'),
1077                         '$failed' => $failed
1078                 ));
1079         }
1080
1081         return $o;
1082
1083 }
1084
1085 /**
1086  * @brief Process data send by Users admin page
1087  * 
1088  * @param App $a
1089  */
1090 function admin_page_users_post(&$a){
1091         $pending        =       (x($_POST, 'pending')                   ? $_POST['pending']             : array());
1092         $users          =       (x($_POST, 'user')                      ? $_POST['user']                : array());
1093         $nu_name        =       (x($_POST, 'new_user_name')             ? $_POST['new_user_name']       : '');
1094         $nu_nickname    =       (x($_POST, 'new_user_nickname') ? $_POST['new_user_nickname']   : '');
1095         $nu_email       =       (x($_POST, 'new_user_email')            ? $_POST['new_user_email']      : '');
1096
1097         check_form_security_token_redirectOnErr('/admin/users', 'admin_users');
1098
1099         if(!($nu_name==="") && !($nu_email==="") && !($nu_nickname==="")) {
1100                 require_once('include/user.php');
1101
1102                 $result = create_user(array('username'=>$nu_name, 'email'=>$nu_email, 'nickname'=>$nu_nickname, 'verified'=>1));
1103                 if(! $result['success']) {
1104                         notice($result['message']);
1105                         return;
1106                 }
1107                 $nu = $result['user'];
1108                 $preamble = deindent(t('
1109                         Dear %1$s,
1110                                 the administrator of %2$s has set up an account for you.'));
1111                 $body = deindent(t('
1112                         The login details are as follows:
1113
1114                         Site Location:  %1$s
1115                         Login Name:             %2$s
1116                         Password:               %3$s
1117
1118                         You may change your password from your account "Settings" page after logging
1119                         in.
1120
1121                         Please take a few moments to review the other account settings on that page.
1122
1123                         You may also wish to add some basic information to your default profile
1124                         (on the "Profiles" page) so that other people can easily find you.
1125
1126                         We recommend setting your full name, adding a profile photo,
1127                         adding some profile "keywords" (very useful in making new friends) - and
1128                         perhaps what country you live in; if you do not wish to be more specific
1129                         than that.
1130
1131                         We fully respect your right to privacy, and none of these items are necessary.
1132                         If you are new and do not know anybody here, they may help
1133                         you to make some new and interesting friends.
1134
1135                         Thank you and welcome to %4$s.'));
1136
1137                 $preamble = sprintf($preamble, $nu['username'], $a->config['sitename']);
1138                 $body = sprintf($body, $a->get_baseurl(), $nu['email'], $result['password'], $a->config['sitename']);
1139
1140                 notification(array(
1141                         'type' => "SYSTEM_EMAIL",
1142                         'to_email' => $nu['email'],
1143                         'subject'=> sprintf(t('Registration details for %s'), $a->config['sitename']),
1144                         'preamble'=> $preamble,
1145                         'body' => $body));
1146
1147         }
1148
1149         if(x($_POST,'page_users_block')) {
1150                 foreach($users as $uid){
1151                         q("UPDATE `user` SET `blocked`=1-`blocked` WHERE `uid`=%s",
1152                                 intval($uid)
1153                         );
1154                 }
1155                 notice(sprintf(tt("%s user blocked/unblocked", "%s users blocked/unblocked", count($users)), count($users)));
1156         }
1157         if(x($_POST,'page_users_delete')) {
1158                 require_once("include/Contact.php");
1159                 foreach($users as $uid){
1160                         user_remove($uid);
1161                 }
1162                 notice(sprintf(tt("%s user deleted", "%s users deleted", count($users)), count($users)));
1163         }
1164
1165         if(x($_POST,'page_users_approve')) {
1166                 require_once("mod/regmod.php");
1167                 foreach($pending as $hash){
1168                         user_allow($hash);
1169                 }
1170         }
1171         if(x($_POST,'page_users_deny')) {
1172                 require_once("mod/regmod.php");
1173                 foreach($pending as $hash){
1174                         user_deny($hash);
1175                 }
1176         }
1177         goaway('admin/users');
1178         return; // NOTREACHED
1179 }
1180
1181 /**
1182  * @brief Admin panel subpage for User management
1183  *
1184  * This function generates the admin panel page for user management of the
1185  * node. It offers functionality to add/block/delete users and offers some
1186  * statistics about the userbase.
1187  *
1188  * The returned string holds the HTML code of the page.
1189  *
1190  * @param App $a
1191  * @return string
1192  */
1193 function admin_page_users(&$a){
1194         if($a->argc>2) {
1195                 $uid = $a->argv[3];
1196                 $user = q("SELECT username, blocked FROM `user` WHERE `uid`=%d", intval($uid));
1197                 if(count($user)==0) {
1198                         notice('User not found'.EOL);
1199                         goaway('admin/users');
1200                         return ''; // NOTREACHED
1201                 }
1202                 switch($a->argv[2]){
1203                         case "delete":{
1204                                 check_form_security_token_redirectOnErr('/admin/users', 'admin_users', 't');
1205                                 // delete user
1206                                 require_once("include/Contact.php");
1207                                 user_remove($uid);
1208
1209                                 notice(sprintf(t("User '%s' deleted"), $user[0]['username']).EOL);
1210                         }; break;
1211                         case "block":{
1212                                 check_form_security_token_redirectOnErr('/admin/users', 'admin_users', 't');
1213                                 q("UPDATE `user` SET `blocked`=%d WHERE `uid`=%s",
1214                                         intval(1-$user[0]['blocked']),
1215                                         intval($uid)
1216                                 );
1217                                 notice(sprintf(($user[0]['blocked']?t("User '%s' unblocked"):t("User '%s' blocked")) , $user[0]['username']).EOL);
1218                         }; break;
1219                 }
1220                 goaway('admin/users');
1221                 return ''; // NOTREACHED
1222
1223         }
1224
1225         /* get pending */
1226         $pending = q("SELECT `register`.*, `contact`.`name`, `user`.`email`
1227                                  FROM `register`
1228                                  LEFT JOIN `contact` ON `register`.`uid` = `contact`.`uid`
1229                                  LEFT JOIN `user` ON `register`.`uid` = `user`.`uid`;");
1230
1231
1232         /* get users */
1233         $total = q("SELECT count(*) as total FROM `user` where 1");
1234         if(count($total)) {
1235                 $a->set_pager_total($total[0]['total']);
1236                 $a->set_pager_itemspage(100);
1237         }
1238
1239         $users = q("SELECT `user`.* , `contact`.`name` , `contact`.`url` , `contact`.`micro`, `lastitem`.`lastitem_date`, `user`.`account_expired`
1240                                 FROM
1241                                         (SELECT MAX(`item`.`changed`) as `lastitem_date`, `item`.`uid`
1242                                         FROM `item`
1243                                         WHERE `item`.`type` = 'wall'
1244                                         GROUP BY `item`.`uid`) AS `lastitem`
1245                                                  RIGHT OUTER JOIN `user` ON `user`.`uid` = `lastitem`.`uid`,
1246                                            `contact`
1247                                 WHERE
1248                                            `user`.`uid` = `contact`.`uid`
1249                                                 AND `user`.`verified` =1
1250                                         AND `contact`.`self` =1
1251                                 ORDER BY `contact`.`name` LIMIT %d, %d
1252                                 ",
1253                                 intval($a->pager['start']),
1254                                 intval($a->pager['itemspage'])
1255                                 );
1256
1257         $adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
1258         $_setup_users = function ($e) use ($adminlist){
1259                 $accounts = array(
1260                         t('Normal Account'),
1261                         t('Soapbox Account'),
1262                         t('Community/Celebrity Account'),
1263                                                 t('Automatic Friend Account')
1264                 );
1265                 $e['page-flags'] = $accounts[$e['page-flags']];
1266                 $e['register_date'] = relative_date($e['register_date']);
1267                 $e['login_date'] = relative_date($e['login_date']);
1268                 $e['lastitem_date'] = relative_date($e['lastitem_date']);
1269                 //$e['is_admin'] = ($e['email'] === $a->config['admin_email']);
1270                 $e['is_admin'] = in_array($e['email'], $adminlist);
1271                 $e['is_deletable'] = (intval($e['uid']) != local_user());
1272                 $e['deleted'] = ($e['account_removed']?relative_date($e['account_expires_on']):False);
1273                 return $e;
1274         };
1275         $users = array_map($_setup_users, $users);
1276
1277
1278         // Get rid of dashes in key names, Smarty3 can't handle them
1279         // and extracting deleted users
1280
1281         $tmp_users = array();
1282         $deleted = array();
1283
1284         while(count($users)) {
1285                 $new_user = array();
1286                 foreach(array_pop($users) as $k => $v) {
1287                         $k = str_replace('-','_',$k);
1288                         $new_user[$k] = $v;
1289                 }
1290                 if($new_user['deleted']) {
1291                         array_push($deleted, $new_user);
1292                 }
1293                 else {
1294                         array_push($tmp_users, $new_user);
1295                 }
1296         }
1297         //Reversing the two array, and moving $tmp_users to $users
1298         array_reverse($deleted);
1299         while(count($tmp_users)) {
1300                 array_push($users, array_pop($tmp_users));
1301         }
1302
1303         $t = get_markup_template("admin_users.tpl");
1304         $o = replace_macros($t, array(
1305                 // strings //
1306                 '$title' => t('Administration'),
1307                 '$page' => t('Users'),
1308                 '$submit' => t('Add User'),
1309                 '$select_all' => t('select all'),
1310                 '$h_pending' => t('User registrations waiting for confirm'),
1311                 '$h_deleted' => t('User waiting for permanent deletion'),
1312                 '$th_pending' => array(t('Request date'), t('Name'), t('Email')),
1313                 '$no_pending' =>  t('No registrations.'),
1314                 '$approve' => t('Approve'),
1315                 '$deny' => t('Deny'),
1316                 '$delete' => t('Delete'),
1317                 '$block' => t('Block'),
1318                 '$unblock' => t('Unblock'),
1319                 '$siteadmin' => t('Site admin'),
1320                 '$accountexpired' => t('Account expired'),
1321
1322                 '$h_users' => t('Users'),
1323                 '$h_newuser' => t('New User'),
1324                 '$th_deleted' => array(t('Name'), t('Email'), t('Register date'), t('Last login'), t('Last item'), t('Deleted since')),
1325                 '$th_users' => array(t('Name'), t('Email'), t('Register date'), t('Last login'), t('Last item'),  t('Account')),
1326
1327                 '$confirm_delete_multi' => t('Selected users will be deleted!\n\nEverything these users had posted on this site will be permanently deleted!\n\nAre you sure?'),
1328                 '$confirm_delete' => t('The user {0} will be deleted!\n\nEverything this user has posted on this site will be permanently deleted!\n\nAre you sure?'),
1329
1330                 '$form_security_token' => get_form_security_token("admin_users"),
1331
1332                 // values //
1333                 '$baseurl' => $a->get_baseurl(true),
1334
1335                 '$pending' => $pending,
1336                 'deleted' => $deleted,
1337                 '$users' => $users,
1338                 '$newusername' => array('new_user_name', t("Name"), '', t("Name of the new user.")),
1339                 '$newusernickname' => array('new_user_nickname', t("Nickname"), '', t("Nickname of the new user.")),
1340                 '$newuseremail' => array('new_user_email', t("Email"), '', t("Email address of the new user."), '', '', 'email'),
1341         ));
1342         $o .= paginate($a);
1343         return $o;
1344 }
1345
1346
1347 /**
1348  * @brief Plugins admin page
1349  *
1350  * This function generates the admin panel page for managing plugins on the
1351  * friendica node. If a plugin name is given a single page showing the details
1352  * for this addon is generated. If no name is given, a list of available
1353  * plugins is shown.
1354  *
1355  * The template used for displaying the list of plugins and the details of the
1356  * plugin are the same as used for the templates.
1357  *
1358  * The returned string returned hulds the HTML code of the page.
1359  *
1360  * @param App $a
1361  * @return string
1362  */
1363 function admin_page_plugins(&$a){
1364
1365         /*
1366          * Single plugin
1367          */
1368         if($a->argc == 3) {
1369                 $plugin = $a->argv[2];
1370                 if(!is_file("addon/$plugin/$plugin.php")) {
1371                         notice(t("Item not found."));
1372                         return '';
1373                 }
1374
1375                 if(x($_GET,"a") && $_GET['a']=="t") {
1376                         check_form_security_token_redirectOnErr('/admin/plugins', 'admin_themes', 't');
1377
1378                         // Toggle plugin status
1379                         $idx = array_search($plugin, $a->plugins);
1380                         if($idx !== false) {
1381                                 unset($a->plugins[$idx]);
1382                                 uninstall_plugin($plugin);
1383                                 info(sprintf(t("Plugin %s disabled."), $plugin));
1384                         } else {
1385                                 $a->plugins[] = $plugin;
1386                                 install_plugin($plugin);
1387                                 info(sprintf(t("Plugin %s enabled."), $plugin));
1388                         }
1389                         set_config("system","addon", implode(", ",$a->plugins));
1390                         goaway('admin/plugins');
1391                         return ''; // NOTREACHED
1392                 }
1393
1394                 // display plugin details
1395                 require_once('library/markdown.php');
1396
1397                 if(in_array($plugin, $a->plugins)) {
1398                         $status="on"; $action= t("Disable");
1399                 } else {
1400                         $status="off"; $action= t("Enable");
1401                 }
1402
1403                 $readme=Null;
1404                 if(is_file("addon/$plugin/README.md")) {
1405                         $readme = file_get_contents("addon/$plugin/README.md");
1406                         $readme = Markdown($readme);
1407                 } elseif(is_file("addon/$plugin/README")) {
1408                         $readme = "<pre>". file_get_contents("addon/$plugin/README") ."</pre>";
1409                 }
1410
1411                 $admin_form="";
1412                 if(is_array($a->plugins_admin) && in_array($plugin, $a->plugins_admin)) {
1413                         @require_once("addon/$plugin/$plugin.php");
1414                         $func = $plugin.'_plugin_admin';
1415                         $func($a, $admin_form);
1416                 }
1417
1418                 $t = get_markup_template("admin_plugins_details.tpl");
1419
1420                 return replace_macros($t, array(
1421                         '$title' => t('Administration'),
1422                         '$page' => t('Plugins'),
1423                         '$toggle' => t('Toggle'),
1424                         '$settings' => t('Settings'),
1425                         '$baseurl' => $a->get_baseurl(true),
1426
1427                         '$plugin' => $plugin,
1428                         '$status' => $status,
1429                         '$action' => $action,
1430                         '$info' => get_plugin_info($plugin),
1431                         '$str_author' => t('Author: '),
1432                         '$str_maintainer' => t('Maintainer: '),
1433
1434                         '$admin_form' => $admin_form,
1435                         '$function' => 'plugins',
1436                         '$screenshot' => '',
1437                         '$readme' => $readme,
1438
1439                         '$form_security_token' => get_form_security_token("admin_themes"),
1440                 ));
1441         }
1442
1443
1444
1445         /*
1446          * List plugins
1447          */
1448
1449         if(x($_GET,"a") && $_GET['a']=="r") {
1450                 check_form_security_token_redirectOnErr($a->get_baseurl().'/admin/plugins', 'admin_themes', 't');
1451                 reload_plugins();
1452                 info("Plugins reloaded");
1453                 goaway($a->get_baseurl().'/admin/plugins');
1454         }
1455
1456         $plugins = array();
1457         $files = glob("addon/*/");
1458         if($files) {
1459                 foreach($files as $file) {
1460                         if(is_dir($file)) {
1461                                 list($tmp, $id)=array_map("trim", explode("/",$file));
1462                                 $info = get_plugin_info($id);
1463                                 $show_plugin = true;
1464
1465                                 // If the addon is unsupported, then only show it, when it is enabled
1466                                 if((strtolower($info["status"]) == "unsupported") AND !in_array($id,  $a->plugins))
1467                                         $show_plugin = false;
1468
1469                                 // Override the above szenario, when the admin really wants to see outdated stuff
1470                                 if(get_config("system", "show_unsupported_addons"))
1471                                         $show_plugin = true;
1472
1473                                 if($show_plugin)
1474                                         $plugins[] = array($id, (in_array($id,  $a->plugins)?"on":"off") , $info);
1475                         }
1476                 }
1477         }
1478
1479         $t = get_markup_template("admin_plugins.tpl");
1480         return replace_macros($t, array(
1481                 '$title' => t('Administration'),
1482                 '$page' => t('Plugins'),
1483                 '$submit' => t('Save Settings'),
1484                 '$reload' => t('Reload active plugins'),
1485                 '$baseurl' => $a->get_baseurl(true),
1486                 '$function' => 'plugins',
1487                 '$plugins' => $plugins,
1488                 '$pcount' => count($plugins), 
1489                 '$noplugshint' => sprintf(t('There are currently no plugins available on your node. You can find the official plugin repository at %1$s and might find other interesting plugins in the open plugin registry at %2$s'), 'https://github.com/friendica/friendica-addons', 'http://addons.friendi.ca'),
1490                 '$form_security_token' => get_form_security_token("admin_themes"),
1491         ));
1492 }
1493
1494 /**
1495  * @param array $themes
1496  * @param string $th
1497  * @param int $result
1498  */
1499 function toggle_theme(&$themes,$th,&$result) {
1500         for($x = 0; $x < count($themes); $x ++) {
1501                 if($themes[$x]['name'] === $th) {
1502                         if($themes[$x]['allowed']) {
1503                                 $themes[$x]['allowed'] = 0;
1504                                 $result = 0;
1505                         }
1506                         else {
1507                                 $themes[$x]['allowed'] = 1;
1508                                 $result = 1;
1509                         }
1510                 }
1511         }
1512 }
1513
1514 /**
1515  * @param array $themes
1516  * @param string $th
1517  * @return int
1518  */
1519 function theme_status($themes,$th) {
1520         for($x = 0; $x < count($themes); $x ++) {
1521                 if($themes[$x]['name'] === $th) {
1522                         if($themes[$x]['allowed']) {
1523                                 return 1;
1524                         }
1525                         else {
1526                                 return 0;
1527                         }
1528                 }
1529         }
1530         return 0;
1531 }
1532
1533
1534 /**
1535  * @param array $themes
1536  * @return string
1537  */
1538 function rebuild_theme_table($themes) {
1539         $o = '';
1540         if(count($themes)) {
1541                 foreach($themes as $th) {
1542                         if($th['allowed']) {
1543                                 if(strlen($o))
1544                                         $o .= ',';
1545                                 $o .= $th['name'];
1546                         }
1547                 }
1548         }
1549         return $o;
1550 }
1551
1552
1553 /**
1554  * @brief Themes admin page
1555  *
1556  * This function generates the admin panel page to control the themes available
1557  * on the friendica node. If the name of a theme is given as parameter a page
1558  * with the details for the theme is shown. Otherwise a list of available
1559  * themes is generated.
1560  *
1561  * The template used for displaying the list of themes and the details of the
1562  * themes are the same as used for the plugins.
1563  *
1564  * The returned string contains the HTML code of the admin panel page.
1565  *
1566  * @param App $a
1567  * @return string
1568  */
1569 function admin_page_themes(&$a){
1570
1571         $allowed_themes_str = get_config('system','allowed_themes');
1572         $allowed_themes_raw = explode(',',$allowed_themes_str);
1573         $allowed_themes = array();
1574         if(count($allowed_themes_raw))
1575                 foreach($allowed_themes_raw as $x)
1576                         if(strlen(trim($x)))
1577                                 $allowed_themes[] = trim($x);
1578
1579         $themes = array();
1580         $files = glob('view/theme/*');
1581         if($files) {
1582                 foreach($files as $file) {
1583                         $f = basename($file);
1584                         $is_experimental = intval(file_exists($file.'/experimental'));
1585                         $is_supported = 1-(intval(file_exists($file.'/unsupported')));
1586                         $is_allowed = intval(in_array($f,$allowed_themes));
1587
1588                         if($is_allowed OR $is_supported OR get_config("system", "show_unsupported_themes"))
1589                                 $themes[] = array('name' => $f, 'experimental' => $is_experimental, 'supported' => $is_supported, 'allowed' => $is_allowed);
1590                 }
1591         }
1592
1593         if(! count($themes)) {
1594                 notice(t('No themes found.'));
1595                 return '';
1596         }
1597
1598         /*
1599          * Single theme
1600          */
1601
1602         if($a->argc == 3) {
1603                 $theme = $a->argv[2];
1604                 if(! is_dir("view/theme/$theme")) {
1605                         notice(t("Item not found."));
1606                         return '';
1607                 }
1608
1609                 if(x($_GET,"a") && $_GET['a']=="t") {
1610                         check_form_security_token_redirectOnErr('/admin/themes', 'admin_themes', 't');
1611
1612                         // Toggle theme status
1613
1614                         toggle_theme($themes,$theme,$result);
1615                         $s = rebuild_theme_table($themes);
1616                         if($result) {
1617                                 install_theme($theme);
1618                                 info(sprintf('Theme %s enabled.',$theme));
1619                         }
1620                         else {
1621                                 uninstall_theme($theme);
1622                                 info(sprintf('Theme %s disabled.',$theme));
1623                         }
1624
1625                         set_config('system','allowed_themes',$s);
1626                         goaway('admin/themes');
1627                         return ''; // NOTREACHED
1628                 }
1629
1630                 // display theme details
1631                 require_once('library/markdown.php');
1632
1633                 if(theme_status($themes,$theme)) {
1634                         $status="on"; $action= t("Disable");
1635                 } else {
1636                         $status="off"; $action= t("Enable");
1637                 }
1638
1639                 $readme=Null;
1640                 if(is_file("view/theme/$theme/README.md")) {
1641                         $readme = file_get_contents("view/theme/$theme/README.md");
1642                         $readme = Markdown($readme);
1643                 } elseif(is_file("view/theme/$theme/README")) {
1644                         $readme = "<pre>". file_get_contents("view/theme/$theme/README") ."</pre>";
1645                 }
1646
1647                 $admin_form="";
1648                 if(is_file("view/theme/$theme/config.php")) {
1649                         function __get_theme_admin_form(&$a, $theme) {
1650                                 $orig_theme = $a->theme;
1651                                 $orig_page = $a->page;
1652                                 $orig_session_theme = $_SESSION['theme'];
1653                                 require_once("view/theme/$theme/theme.php");
1654                                 require_once("view/theme/$theme/config.php");
1655                                 $_SESSION['theme'] = $theme;
1656
1657
1658                                 $init = $theme."_init";
1659                                 if(function_exists($init)) $init($a);
1660                                 if(function_exists("theme_admin")) {
1661                                         $admin_form = theme_admin($a);
1662                                 }
1663
1664                                 $_SESSION['theme'] = $orig_session_theme;
1665                                 $a->theme = $orig_theme;
1666                                 $a->page = $orig_page;
1667                                 return $admin_form;
1668                         }
1669                         $admin_form = __get_theme_admin_form($a, $theme);
1670                 }
1671
1672                 $screenshot = array(get_theme_screenshot($theme), t('Screenshot'));
1673                 if(! stristr($screenshot[0],$theme))
1674                         $screenshot = null;
1675
1676
1677                 $t = get_markup_template("admin_plugins_details.tpl");
1678                 return replace_macros($t, array(
1679                         '$title' => t('Administration'),
1680                         '$page' => t('Themes'),
1681                         '$toggle' => t('Toggle'),
1682                         '$settings' => t('Settings'),
1683                         '$baseurl' => $a->get_baseurl(true),
1684                         '$plugin' => $theme,
1685                         '$status' => $status,
1686                         '$action' => $action,
1687                         '$info' => get_theme_info($theme),
1688                         '$function' => 'themes',
1689                         '$admin_form' => $admin_form,
1690                         '$str_author' => t('Author: '),
1691                         '$str_maintainer' => t('Maintainer: '),
1692                         '$screenshot' => $screenshot,
1693                         '$readme' => $readme,
1694
1695                         '$form_security_token' => get_form_security_token("admin_themes"),
1696                 ));
1697         }
1698
1699
1700         // reload active themes
1701         if(x($_GET,"a") && $_GET['a']=="r") {
1702                 check_form_security_token_redirectOnErr($a->get_baseurl().'/admin/themes', 'admin_themes', 't');
1703                 if($themes) {
1704                         foreach($themes as $th) {
1705                                 if($th['allowed']) {
1706                                         uninstall_theme($th['name']);
1707                                         install_theme($th['name']);
1708                                 }
1709                         }
1710                 }
1711                 info("Themes reloaded");
1712                 goaway($a->get_baseurl().'/admin/themes');
1713         }
1714
1715         /*
1716          * List themes
1717          */
1718
1719         $xthemes = array();
1720         if($themes) {
1721                 foreach($themes as $th) {
1722                         $xthemes[] = array($th['name'],(($th['allowed']) ? "on" : "off"), get_theme_info($th['name']));
1723                 }
1724         }
1725
1726
1727         $t = get_markup_template("admin_plugins.tpl");
1728         return replace_macros($t, array(
1729                 '$title' => t('Administration'),
1730                 '$page' => t('Themes'),
1731                 '$submit' => t('Save Settings'),
1732                 '$reload' => t('Reload active themes'),
1733                 '$baseurl' => $a->get_baseurl(true),
1734                 '$function' => 'themes',
1735                 '$plugins' => $xthemes,
1736                 '$pcount' => count($themes),
1737                 '$noplugshint' => sprintf(t('No themes found on the system. They should be paced in %1$s'),'<code>/view/themes</code>'),
1738                 '$experimental' => t('[Experimental]'),
1739                 '$unsupported' => t('[Unsupported]'),
1740                 '$form_security_token' => get_form_security_token("admin_themes"),
1741         ));
1742 }
1743
1744
1745 /**
1746  * @brief Prosesses data send by Logs admin page
1747  * 
1748  * @param App $a
1749  */
1750 function admin_page_logs_post(&$a) {
1751         if(x($_POST,"page_logs")) {
1752                 check_form_security_token_redirectOnErr('/admin/logs', 'admin_logs');
1753
1754                 $logfile        =       ((x($_POST,'logfile'))          ? notags(trim($_POST['logfile']))       : '');
1755                 $debugging      =       ((x($_POST,'debugging'))        ? true                                  : false);
1756                 $loglevel       =       ((x($_POST,'loglevel'))         ? intval(trim($_POST['loglevel']))      : 0);
1757
1758                 set_config('system','logfile', $logfile);
1759                 set_config('system','debugging',  $debugging);
1760                 set_config('system','loglevel', $loglevel);
1761         }
1762
1763         info(t("Log settings updated."));
1764         goaway('admin/logs');
1765         return; // NOTREACHED
1766 }
1767
1768 /**
1769  * @brief Generates admin panel subpage for configuration of the logs
1770  *
1771  * This function take the view/templates/admin_logs.tpl file and generates a
1772  * page where admin can configure the logging of friendica.
1773  *
1774  * Displaying the log is separated from the log config as the logfile can get
1775  * big depending on the settings and changing settings regarding the logs can
1776  * thus waste bandwidth.
1777  *
1778  * The string returned contains the content of the template file with replaced
1779  * macros.
1780  *
1781  * @param App $a
1782  * @return string
1783  */
1784 function admin_page_logs(&$a){
1785
1786         $log_choices = array(
1787                 LOGGER_NORMAL => 'Normal',
1788                 LOGGER_TRACE => 'Trace',
1789                 LOGGER_DEBUG => 'Debug',
1790                 LOGGER_DATA => 'Data',
1791                 LOGGER_ALL => 'All'
1792         );
1793
1794         $t = get_markup_template("admin_logs.tpl");
1795
1796         return replace_macros($t, array(
1797                 '$title' => t('Administration'),
1798                 '$page' => t('Logs'),
1799                 '$submit' => t('Save Settings'),
1800                 '$clear' => t('Clear'),
1801                 '$baseurl' => $a->get_baseurl(true),
1802                 '$logname' =>  get_config('system','logfile'),
1803
1804                 // name, label, value, help string, extra data...
1805                 '$debugging' => array('debugging', t("Enable Debugging"),get_config('system','debugging'), ""),
1806                 '$logfile' => array('logfile', t("Log file"), get_config('system','logfile'), t("Must be writable by web server. Relative to your Friendica top-level directory.")),
1807                 '$loglevel' => array('loglevel', t("Log level"), get_config('system','loglevel'), "", $log_choices),
1808
1809                 '$form_security_token' => get_form_security_token("admin_logs"),
1810                 '$phpheader' => t("PHP logging"),
1811                 '$phphint' => t("To enable logging of PHP errors and warnings you can add the following to the .htconfig.php file of your installation. The filename set in the 'error_log' line is relative to the friendica top-level directory and must be writeable by the web server. The option '1' for 'log_errors' and 'display_errors' is to enable these options, set to '0' to disable them."),
1812                 '$phplogcode' => "error_reporting(E_ERROR | E_WARNING | E_PARSE);\nini_set('error_log','php.out');\nini_set('log_errors','1');\nini_set('display_errors', '1');",
1813         ));
1814 }
1815
1816 /**
1817  * @brief Generates admin panel subpage to view the Friendica log
1818  *
1819  * This function loads the template view/templates/admin_viewlogs.tpl to
1820  * display the systemlog content. The filename for the systemlog of friendica
1821  * is relative to the base directory and taken from the config entry 'logfile'
1822  * in the 'system' category.
1823  *
1824  * Displaying the log is separated from the log config as the logfile can get
1825  * big depending on the settings and changing settings regarding the logs can
1826  * thus waste bandwidth.
1827  *
1828  * The string returned contains the content of the template file with replaced
1829  * macros.
1830  *
1831  * @param App $a
1832  * @return string
1833  */
1834 function admin_page_viewlogs(&$a){
1835         $t = get_markup_template("admin_viewlogs.tpl");
1836         $f = get_config('system','logfile');
1837         $data = '';
1838
1839         if(!file_exists($f)) {
1840                 $data = t("Error trying to open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f exist and is readable.");
1841         }
1842         else {
1843                 $fp = fopen($f, 'r');
1844                 if(!$fp) {
1845                         $data = t("Couldn't open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f is readable.");
1846                 }
1847                 else {
1848                         $fstat = fstat($fp);
1849                         $size = $fstat['size'];
1850                         if($size != 0) {
1851                                 if($size > 5000000 || $size < 0)
1852                                         $size = 5000000;
1853                                 $seek = fseek($fp,0-$size,SEEK_END);
1854                                 if($seek === 0) {
1855                                         $data = escape_tags(fread($fp,$size));
1856                                         while(! feof($fp))
1857                                                 $data .= escape_tags(fread($fp,4096));
1858                                 }
1859                         }
1860                         fclose($fp);
1861                 }
1862         }
1863         return replace_macros($t, array(
1864                 '$title' => t('Administration'),
1865                 '$page' => t('View Logs'),
1866                 '$data' => $data,
1867                 '$logname' =>  get_config('system','logfile')
1868         ));
1869 }
1870
1871 /**
1872  * @brief Prosesses data send by the features admin page
1873  * 
1874  * @param App $a
1875  */
1876 function admin_page_features_post(&$a) {
1877
1878         check_form_security_token_redirectOnErr('/admin/features', 'admin_manage_features');
1879
1880         logger('postvars: '.print_r($_POST,true),LOGGER_DATA);
1881
1882         $arr = array();
1883         $features = get_features(false);
1884
1885         foreach($features as $fname => $fdata) {
1886                 foreach(array_slice($fdata,1) as $f) {
1887                         $feature = $f[0];
1888                         $feature_state = 'feature_'.$feature;
1889                         $featurelock = 'featurelock_'.$feature;
1890
1891                         if(x($_POST[$feature_state]))
1892                                 $val = intval($_POST['feature_'.$feature]);
1893                         else
1894                                 $val = 0;
1895                         set_config('feature',$feature,$val);
1896
1897                         if(x($_POST[$featurelock]))
1898                                 set_config('feature_lock',$feature,$val);
1899                         else
1900                                 del_config('feature_lock',$feature);
1901                 }
1902         }
1903
1904         goaway('admin/features');
1905         return; // NOTREACHED
1906 }
1907
1908 /**
1909  * @brief Subpage for global additional feature management
1910  * 
1911  * This functin generates the subpage 'Manage Additional Features'
1912  * for the admin panel. At this page the admin can set preferences
1913  * for the user settings of the 'additional features'. If needed this 
1914  * preferences can be locked through the admin.
1915  * 
1916  * The returned string contains the HTML code of the subpage 'Manage
1917  * Additional Features'
1918  * 
1919  * @param App $a
1920  * @return string
1921  */
1922 function admin_page_features(&$a) {
1923         
1924         if((argc() > 1) && (argv(1) === 'features')) {
1925                 $arr = array();
1926                 $features = get_features(false);
1927
1928                 foreach($features as $fname => $fdata) {
1929                         $arr[$fname] = array();
1930                         $arr[$fname][0] = $fdata[0];
1931                         foreach(array_slice($fdata,1) as $f) {
1932
1933                                 $set = get_config('feature',$f[0]);
1934                                 if($set === false)
1935                                         $set = $f[3];
1936                                 $arr[$fname][1][] = array(
1937                                         array('feature_' .$f[0],$f[1],$set,$f[2],array(t('Off'),t('On'))),
1938                                         array('featurelock_' .$f[0],sprintf(t('Lock feature %s'),$f[1]),(($f[4] !== false) ? "1" : ''),'',array(t('Off'),t('On')))
1939                                 );
1940                         }
1941                 }
1942                 
1943                 $tpl = get_markup_template("admin_settings_features.tpl");
1944                 $o .= replace_macros($tpl, array(
1945                         '$form_security_token' => get_form_security_token("admin_manage_features"),
1946                         '$title' => t('Manage Additional Features'),
1947                         '$features' => $arr,
1948                         '$submit' => t('Save Settings'),
1949                 ));
1950
1951                 return $o;
1952         }
1953 }