]> git.mxchange.org Git - friendica.git/blob - mod/admin.php
Merge pull request #2262 from annando/1601-http-timeouts
[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($a->get_baseurl(true) . '/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($a->get_baseurl(true) . '/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, $theme);
91                                 }
92                                 info(t('Theme settings updated.'));
93                                 if(is_ajax()) return;
94
95                                 goaway($a->get_baseurl(true) . '/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($a->get_baseurl(true) . '/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.
118  *
119  * @param App $a
120  * @return string
121  */
122 function admin_content(&$a) {
123
124         if(!is_site_admin()) {
125                 return login(false);
126         }
127
128         if(x($_SESSION,'submanage') && intval($_SESSION['submanage']))
129                 return "";
130
131         // APC deactivated, since there are problems with PHP 5.5
132         //if (function_exists("apc_delete")) {
133         //      $toDelete = new APCIterator('user', APC_ITER_VALUE);
134         //      apc_delete($toDelete);
135         //}
136
137         // Header stuff
138         $a->page['htmlhead'] .= replace_macros(get_markup_template('admin_settings_head.tpl'), array());
139
140         /*
141          * Side bar links
142          */
143         $aside_tools = array();
144         // array( url, name, extra css classes )
145         // not part of $aside to make the template more adjustable
146         $aside_sub = array(
147                 'site'   =>     array($a->get_baseurl(true)."/admin/site/", t("Site") , "site"),
148                 'users'  =>     array($a->get_baseurl(true)."/admin/users/", t("Users") , "users"),
149                 'plugins'=>     array($a->get_baseurl(true)."/admin/plugins/", t("Plugins") , "plugins"),
150                 'themes' =>     array($a->get_baseurl(true)."/admin/themes/", t("Themes") , "themes"),
151                 'features' =>   array($a->get_baseurl(true)."/admin/features/", t("Additional features") , "features"),
152                 'dbsync' =>     array($a->get_baseurl(true)."/admin/dbsync/", t('DB updates'), "dbsync"),
153                 'queue'  =>     array($a->get_baseurl(true)."/admin/queue/", t('Inspect Queue'), "queue"),
154                 'federation' => array($a->get_baseurl(true)."/admin/federation/", t('Federation Statistics'), "federation"),
155         );
156
157         /* get plugins admin page */
158
159         $r = q("SELECT `name` FROM `addon` WHERE `plugin_admin`=1 ORDER BY `name`");
160         $aside_tools['plugins_admin']=array();
161         foreach ($r as $h){
162                 $plugin =$h['name'];
163                 $aside_tools['plugins_admin'][] = array($a->get_baseurl(true)."/admin/plugins/".$plugin, $plugin, "plugin");
164                 // temp plugins with admin
165                 $a->plugins_admin[] = $plugin;
166         }
167
168         $aside_tools['logs'] = array($a->get_baseurl(true)."/admin/logs/", t("Logs"), "logs");
169         $aside_tools['viewlogs'] = array($a->get_baseurl(true)."/admin/viewlogs/", t("View Logs"), 'viewlogs');
170         $aside_tools['diagnostics_probe'] = array($a->get_baseurl(true).'/probe/', t('probe address'), 'probe');
171         $aside_tools['diagnostics_webfinger'] = array($a->get_baseurl(true).'/webfinger/', t('check webfinger'), 'webfinger');
172
173         $t = get_markup_template("admin_aside.tpl");
174         $a->page['aside'] .= replace_macros( $t, array(
175                 '$admin' => $aside_tools,
176                 '$subpages' => $aside_sub,
177                 '$admtxt' => t('Admin'),
178                 '$plugadmtxt' => t('Plugin Features'),
179                 '$logtxt' => t('Logs'),
180                 '$diagnosticstxt' => t('diagnostics'),
181                 '$h_pending' => t('User registrations waiting for confirmation'),
182                 '$admurl'=> $a->get_baseurl(true)."/admin/"
183         ));
184
185
186
187         /*
188          * Page content
189          */
190         $o = '';
191         // urls
192         if($a->argc > 1) {
193                 switch ($a->argv[1]){
194                         case 'site':
195                                 $o = admin_page_site($a);
196                                 break;
197                         case 'users':
198                                 $o = admin_page_users($a);
199                                 break;
200                         case 'plugins':
201                                 $o = admin_page_plugins($a);
202                                 break;
203                         case 'themes':
204                                 $o = admin_page_themes($a);
205                                 break;
206                         case 'features':
207                                 $o = admin_page_features($a);
208                                 break;
209                         case 'logs':
210                                 $o = admin_page_logs($a);
211                                 break;
212                         case 'viewlogs':
213                                 $o = admin_page_viewlogs($a);
214                                 break;
215                         case 'dbsync':
216                                 $o = admin_page_dbsync($a);
217                                 break;
218                         case 'queue':
219                                 $o = admin_page_queue($a);
220                                 break;
221                         case 'federation':
222                                 $o = admin_page_federation($a);
223                                 break;
224                         default:
225                                 notice( t("Item not found.") );
226                 }
227         } else {
228                 $o = admin_page_summary($a);
229         }
230
231         if(is_ajax()) {
232                 echo $o;
233                 killme();
234                 return '';
235         } else {
236                 return $o;
237         }
238 }
239
240 /**
241  * @brief Subpage with some stats about "the federation" network
242  *
243  * This function generates the "Federation Statistics" subpage for the admin
244  * panel. The page lists some numbers to the part of "The Federation" known to
245  * the node. This data includes the different connected networks (e.g.
246  * Diaspora, Hubzilla, GNU Social) and the used versions in the different
247  * networks.
248  *
249  * The returned string contains the HTML code of the subpage for display.
250  *
251  * @param App $a
252  * @return string
253  */
254 function admin_page_federation(&$a) {
255         // get counts on active friendica, diaspora, redmatrix, hubzilla, gnu
256         // social and statusnet nodes this node is knowing
257         //
258         // We are looking for the following platforms in the DB, "Red" should find
259         // all variants of that platform ID string as the q() function is stripping
260         // off one % two of them are needed in the query
261         // Add more platforms if you like, when one returns 0 known nodes it is not
262         // displayed on the stats page.
263         $platforms = array('Friendica', 'Diaspora', '%%red%%', 'Hubzilla', 'GNU Social', 'StatusNet');
264         $counts = array();
265
266         foreach ($platforms as $p) {
267                 // get a total count for the platform, the name and version of the
268                 // highest version and the protocol tpe
269                 $c = q('SELECT count(*) AS total, platform, network, version FROM gserver
270                         WHERE platform LIKE "%s" AND last_contact > last_failure
271                         ORDER BY version ASC;', $p);
272
273                 // what versions for that platform do we know at all?
274                 // again only the active nodes
275                 $v = q('SELECT count(*) AS total, version FROM gserver
276                         WHERE last_contact > last_failure AND platform LIKE "%s" 
277                         GROUP BY version
278                         ORDER BY version;', $p);
279
280                 //
281                 // clean up version numbers
282                 //
283                 // in the DB the Diaspora versions have the format x.x.x.x-xx the last
284                 // part (-xx) should be removed to clean up the versions from the "head
285                 // commit" information and combined into a single entry for x.x.x.x
286                 if($p=='Diaspora') {
287                         $newV = array();
288                         $newVv = array();
289                         foreach($v as $vv) {
290                                 $newVC = $vv['total'];
291                                 $newVV = $vv['version'];
292                                 $posDash = strpos($newVV, '-');
293                                 if($posDash) 
294                                         $newVV = substr($newVV, 0, $posDash);
295                                 if(isset($newV[$newVV]))
296                                         $newV[$newVV] += $newVC; 
297                                 else
298                                         $newV[$newVV] = $newVC; 
299                         }
300                         foreach ($newV as $key => $value) {
301                                 array_push($newVv, array('total'=>$value, 'version'=>$key));
302                         }
303                         $v = $newVv;
304                 }
305
306                 // early friendica versions have the format x.x.xxxx where xxxx is the
307                 // DB version stamp; those should be operated out and versions be
308                 // conbined
309                 if($p=='Friendica') {
310                         $newV = array();
311                         $newVv = array();
312                         foreach ($v as $vv) {
313                                 $newVC = $vv['total'];
314                                 $newVV = $vv['version'];
315                                 $lastDot = strrpos($newVV,'.');
316                                 $len = strlen($newVV)-1;
317                                 if(($lastDot == $len-4) && (!strrpos($newVV,'-rc')==$len-3))
318                                         $newVV = substr($newVV, 0, $lastDot);
319                                 if(isset($newV[$newVV]))
320                                         $newV[$newVV] += $newVC;
321                                 else
322                                         $newV[$newVV] = $newVC;
323                         }
324                         foreach ($newV as $key => $value) {
325                                 array_push($newVv, array('total'=>$value, 'version'=>$key));
326                         }
327                         $v = $newVv;
328                 }
329
330                 // the 3rd array item is needed for the JavaScript graphs as JS does
331                 // not like some characters in the names of variables...
332                 $counts[$p]=array($c[0], $v, str_replace(array(' ','%'),'',$p));
333         }
334
335         // some helpful text
336         $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.');
337         $hint = t('The <em>Auto Discovered Contact Directory</em> feature is not enabled, it will improve the data displayed here.');
338
339         // load the template, replace the macros and return the page content
340         $t = get_markup_template("admin_federation.tpl");
341         return replace_macros($t, array(
342                 '$title' => t('Administration'),
343                 '$page' => t('Federation Statistics'),
344                 '$intro' => $intro,
345                 '$hint' => $hint,
346                 '$autoactive' => get_config('system', 'poco_completion'),
347                 '$counts' => $counts,
348                 '$version' => FRIENDICA_VERSION,
349                 '$legendtext' => t('Currently this node is aware of nodes from the following platforms:'),
350                 '$baseurl' => $a->get_baseurl(),
351         ));
352 }
353
354 /**
355  * @brief Admin Inspect Queue Page
356  *
357  * Generates a page for the admin to have a look into the current queue of
358  * postings that are not deliverabke. Shown are the name and url of the
359  * recipient, the delivery network and the dates when the posting was generated
360  * and the last time tried to deliver the posting.
361  *
362  * The returned string holds the content of the page.
363  *
364  * @param App $a
365  * @return string
366  */
367 function admin_page_queue(&$a) {
368         // get content from the queue table
369         $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;");
370
371         $t = get_markup_template("admin_queue.tpl");
372         return replace_macros($t, array(
373                 '$title' => t('Administration'),
374                 '$page' => t('Inspect Queue'),
375                 '$count' => sizeof($r),
376                 'id_header' => t('ID'),
377                 '$to_header' => t('Recipient Name'),
378                 '$url_header' => t('Recipient Profile'),
379                 '$network_header' => t('Network'),
380                 '$created_header' => t('Created'),
381                 '$last_header' => t('Last Tried'),
382                 '$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.'),
383                 '$entries' => $r,
384         ));
385 }
386
387 /**
388  * @brief Admin Summary Page
389  *
390  * The summary page is the "start page" of the admin panel. It gives the admin
391  * a first overview of the open adminastrative tasks.
392  *
393  * The returned string contains the HTML content of the generated page.
394  *
395  * @param App $a
396  * @return string
397  */
398 function admin_page_summary(&$a) {
399         $r = q("SELECT `page-flags`, COUNT(uid) as `count` FROM `user` GROUP BY `page-flags`");
400         $accounts = array(
401                 array( t('Normal Account'), 0),
402                 array( t('Soapbox Account'), 0),
403                 array( t('Community/Celebrity Account'), 0),
404                 array( t('Automatic Friend Account'), 0),
405                 array( t('Blog Account'), 0),
406                 array( t('Private Forum'), 0)
407         );
408
409         $users=0;
410         foreach ($r as $u){ $accounts[$u['page-flags']][1] = $u['count']; $users+= $u['count']; }
411
412         logger('accounts: ' . print_r($accounts,true),LOGGER_DATA);
413
414         $r = q("SELECT COUNT(id) as `count` FROM `register`");
415         $pending = $r[0]['count'];
416
417         $r = q("select count(*) as total from deliverq where 1");
418         $deliverq = (($r) ? $r[0]['total'] : 0);
419
420         $r = q("select count(*) as total from queue where 1");
421         $queue = (($r) ? $r[0]['total'] : 0);
422
423         // We can do better, but this is a quick queue status
424
425         $queues = array( 'label' => t('Message queues'), 'deliverq' => $deliverq, 'queue' => $queue );
426
427
428         $t = get_markup_template("admin_summary.tpl");
429         return replace_macros($t, array(
430                 '$title' => t('Administration'),
431                 '$page' => t('Summary'),
432                 '$queues' => $queues,
433                 '$users' => array( t('Registered users'), $users),
434                 '$accounts' => $accounts,
435                 '$pending' => array( t('Pending registrations'), $pending),
436                 '$version' => array( t('Version'), FRIENDICA_VERSION),
437                 '$baseurl' => $a->get_baseurl(),
438                 '$platform' => FRIENDICA_PLATFORM,
439                 '$codename' => FRIENDICA_CODENAME,
440                 '$build' =>  get_config('system','build'),
441                 '$plugins' => array( t('Active plugins'), $a->plugins )
442         ));
443 }
444
445 /**
446  * @brief Process send data from Admin Site Page
447  * 
448  * @param App $a
449  */
450 function admin_page_site_post(&$a) {
451         if(!x($_POST,"page_site")) {
452                 return;
453         }
454
455         check_form_security_token_redirectOnErr('/admin/site', 'admin_site');
456
457         // relocate
458         if(x($_POST,'relocate') && x($_POST,'relocate_url') && $_POST['relocate_url']!="") {
459                 $new_url = $_POST['relocate_url'];
460                 $new_url = rtrim($new_url,"/");
461
462                 $parsed = @parse_url($new_url);
463                 if(!$parsed || (!x($parsed,'host') || !x($parsed,'scheme'))) {
464                         notice(t("Can not parse base url. Must have at least <scheme>://<domain>"));
465                         goaway($a->get_baseurl(true) . '/admin/site' );
466                 }
467
468                 /* steps:
469                  * replace all "baseurl" to "new_url" in config, profile, term, items and contacts
470                  * send relocate for every local user
471                  * */
472
473                 $old_url = $a->get_baseurl(true);
474
475                 function update_table($table_name, $fields, $old_url, $new_url) {
476                         global $db, $a;
477
478                         $dbold = dbesc($old_url);
479                         $dbnew = dbesc($new_url);
480
481                         $upd = array();
482                         foreach ($fields as $f) {
483                                 $upd[] = "`$f` = REPLACE(`$f`, '$dbold', '$dbnew')";
484                         }
485
486                         $upds = implode(", ", $upd);
487
488
489
490                         $q = sprintf("UPDATE %s SET %s;", $table_name, $upds);
491                         $r = q($q);
492                         if(!$r) {
493                                 notice( "Failed updating '$table_name': " . $db->error );
494                                 goaway($a->get_baseurl(true) . '/admin/site' );
495                         }
496                 }
497
498                 // update tables
499                 update_table("profile", array('photo', 'thumb'), $old_url, $new_url);
500                 update_table("term", array('url'), $old_url, $new_url);
501                 update_table("contact", array('photo','thumb','micro','url','nurl','request','notify','poll','confirm','poco'), $old_url, $new_url);
502                 update_table("gcontact", array('photo','url','nurl','server_url'), $old_url, $new_url);
503                 update_table("item", array('owner-link','owner-avatar','author-name','author-link','author-avatar','body','plink','tag'), $old_url, $new_url);
504
505                 // update config
506                 $a->set_baseurl($new_url);
507                 set_config('system','url',$new_url);
508
509                 // send relocate
510                 $users = q("SELECT uid FROM user WHERE account_removed = 0 AND account_expired = 0");
511
512                 foreach ($users as $user) {
513                         proc_run('php', 'include/notifier.php', 'relocate', $user['uid']);
514                 }
515
516                 info("Relocation started. Could take a while to complete.");
517
518                 goaway($a->get_baseurl(true) . '/admin/site' );
519         }
520         // end relocate
521
522         $sitename               =       ((x($_POST,'sitename'))                 ? notags(trim($_POST['sitename']))              : '');
523         $hostname               =       ((x($_POST,'hostname'))                 ? notags(trim($_POST['hostname']))              : '');
524         $sender_email           =       ((x($_POST,'sender_email'))             ? notags(trim($_POST['sender_email']))          : '');
525         $banner                 =       ((x($_POST,'banner'))                   ? trim($_POST['banner'])                        : false);
526         $shortcut_icon          =       ((x($_POST,'shortcut_icon'))            ? notags(trim($_POST['shortcut_icon']))         : '');
527         $touch_icon             =       ((x($_POST,'touch_icon'))               ? notags(trim($_POST['touch_icon']))            : '');
528         $info                   =       ((x($_POST,'info'))                     ? trim($_POST['info'])                          : false);
529         $language               =       ((x($_POST,'language'))                 ? notags(trim($_POST['language']))              : '');
530         $theme                  =       ((x($_POST,'theme'))                    ? notags(trim($_POST['theme']))                 : '');
531         $theme_mobile           =       ((x($_POST,'theme_mobile'))             ? notags(trim($_POST['theme_mobile']))          : '');
532         $maximagesize           =       ((x($_POST,'maximagesize'))             ? intval(trim($_POST['maximagesize']))          :  0);
533         $maximagelength         =       ((x($_POST,'maximagelength'))           ? intval(trim($_POST['maximagelength']))        :  MAX_IMAGE_LENGTH);
534         $jpegimagequality       =       ((x($_POST,'jpegimagequality'))         ? intval(trim($_POST['jpegimagequality']))      :  JPEG_QUALITY);
535
536
537         $register_policy        =       ((x($_POST,'register_policy'))          ? intval(trim($_POST['register_policy']))       :  0);
538         $daily_registrations    =       ((x($_POST,'max_daily_registrations'))  ? intval(trim($_POST['max_daily_registrations']))       :0);
539         $abandon_days           =       ((x($_POST,'abandon_days'))             ? intval(trim($_POST['abandon_days']))          :  0);
540
541         $register_text          =       ((x($_POST,'register_text'))            ? notags(trim($_POST['register_text']))         : '');
542
543         $allowed_sites          =       ((x($_POST,'allowed_sites'))            ? notags(trim($_POST['allowed_sites']))         : '');
544         $allowed_email          =       ((x($_POST,'allowed_email'))            ? notags(trim($_POST['allowed_email']))         : '');
545         $block_public           =       ((x($_POST,'block_public'))             ? True                                          : False);
546         $force_publish          =       ((x($_POST,'publish_all'))              ? True                                          : False);
547         $global_directory       =       ((x($_POST,'directory'))                ? notags(trim($_POST['directory']))             : '');
548         $thread_allow           =       ((x($_POST,'thread_allow'))             ? True                                          : False);
549         $newuser_private                =       ((x($_POST,'newuser_private'))          ? True                                  : False);
550         $enotify_no_content             =       ((x($_POST,'enotify_no_content'))       ? True                                  : False);
551         $private_addons                 =       ((x($_POST,'private_addons'))           ? True                                  : False);
552         $disable_embedded               =       ((x($_POST,'disable_embedded'))         ? True                                  : False);
553         $allow_users_remote_self        =       ((x($_POST,'allow_users_remote_self'))  ? True                                  : False);
554
555         $no_multi_reg           =       ((x($_POST,'no_multi_reg'))             ? True                                          : False);
556         $no_openid              =       !((x($_POST,'no_openid'))               ? True                                          : False);
557         $no_regfullname         =       !((x($_POST,'no_regfullname'))          ? True                                          : False);
558         $no_utf                 =       !((x($_POST,'no_utf'))                  ? True                                          : False);
559         $community_page_style   =       ((x($_POST,'community_page_style'))     ? intval(trim($_POST['community_page_style']))  : 0);
560         $max_author_posts_community_page        =       ((x($_POST,'max_author_posts_community_page'))  ? intval(trim($_POST['max_author_posts_community_page']))       : 0);
561
562         $verifyssl              =       ((x($_POST,'verifyssl'))                ? True                                          : False);
563         $proxyuser              =       ((x($_POST,'proxyuser'))                ? notags(trim($_POST['proxyuser']))             : '');
564         $proxy                  =       ((x($_POST,'proxy'))                    ? notags(trim($_POST['proxy']))                 : '');
565         $timeout                =       ((x($_POST,'timeout'))                  ? intval(trim($_POST['timeout']))               : 60);
566         $delivery_interval      =       ((x($_POST,'delivery_interval'))        ? intval(trim($_POST['delivery_interval']))     : 0);
567         $poll_interval          =       ((x($_POST,'poll_interval'))            ? intval(trim($_POST['poll_interval']))         : 0);
568         $maxloadavg             =       ((x($_POST,'maxloadavg'))               ? intval(trim($_POST['maxloadavg']))            : 50);
569         $maxloadavg_frontend    =       ((x($_POST,'maxloadavg_frontend'))      ? intval(trim($_POST['maxloadavg_frontend']))   : 50);
570         $optimize_max_tablesize =       ((x($_POST,'optimize_max_tablesize'))   ? intval(trim($_POST['optimize_max_tablesize'])): 100);
571         $optimize_fragmentation =       ((x($_POST,'optimize_fragmentation'))   ? intval(trim($_POST['optimize_fragmentation'])): 30);
572         $poco_completion        =       ((x($_POST,'poco_completion'))          ? intval(trim($_POST['poco_completion']))       : false);
573         $poco_requery_days      =       ((x($_POST,'poco_requery_days'))        ? intval(trim($_POST['poco_requery_days']))     : 7);
574         $poco_discovery         =       ((x($_POST,'poco_discovery'))           ? intval(trim($_POST['poco_discovery']))        : 0);
575         $poco_discovery_since   =       ((x($_POST,'poco_discovery_since'))     ? intval(trim($_POST['poco_discovery_since']))  : 30);
576         $poco_local_search      =       ((x($_POST,'poco_local_search'))        ? intval(trim($_POST['poco_local_search']))     : false);
577         $nodeinfo               =       ((x($_POST,'nodeinfo'))                 ? intval(trim($_POST['nodeinfo']))              : false);
578         $dfrn_only              =       ((x($_POST,'dfrn_only'))                ? True                                          : False);
579         $ostatus_disabled       =       !((x($_POST,'ostatus_disabled'))        ? True                                          : False);
580         $ostatus_poll_interval  =       ((x($_POST,'ostatus_poll_interval'))    ? intval(trim($_POST['ostatus_poll_interval'])) :  0);
581         $diaspora_enabled       =       ((x($_POST,'diaspora_enabled'))         ? True                                          : False);
582         $ssl_policy             =       ((x($_POST,'ssl_policy'))               ? intval($_POST['ssl_policy'])                  : 0);
583         $force_ssl              =       ((x($_POST,'force_ssl'))                ? True                                          : False);
584         $old_share              =       ((x($_POST,'old_share'))                ? True                                          : False);
585         $hide_help              =       ((x($_POST,'hide_help'))                ? True                                          : False);
586         $suppress_language      =       ((x($_POST,'suppress_language'))        ? True                                          : False);
587         $suppress_tags          =       ((x($_POST,'suppress_tags'))            ? True                                          : False);
588         $use_fulltext_engine    =       ((x($_POST,'use_fulltext_engine'))      ? True                                          : False);
589         $itemcache              =       ((x($_POST,'itemcache'))                ? notags(trim($_POST['itemcache']))             : '');
590         $itemcache_duration     =       ((x($_POST,'itemcache_duration'))       ? intval($_POST['itemcache_duration'])          : 0);
591         $max_comments           =       ((x($_POST,'max_comments'))             ? intval($_POST['max_comments'])                : 0);
592         $lockpath               =       ((x($_POST,'lockpath'))                 ? notags(trim($_POST['lockpath']))              : '');
593         $temppath               =       ((x($_POST,'temppath'))                 ? notags(trim($_POST['temppath']))              : '');
594         $basepath               =       ((x($_POST,'basepath'))                 ? notags(trim($_POST['basepath']))              : '');
595         $singleuser             =       ((x($_POST,'singleuser'))               ? notags(trim($_POST['singleuser']))            : '');
596         $proxy_disabled         =       ((x($_POST,'proxy_disabled'))           ? True                                          : False);
597         $old_pager              =       ((x($_POST,'old_pager'))                ? True                                          : False);
598         $only_tag_search        =       ((x($_POST,'only_tag_search'))          ? True                                          : False);
599         $rino                   =       ((x($_POST,'rino'))                     ? intval($_POST['rino'])                        : 0);
600         $embedly                =       ((x($_POST,'embedly'))                  ? notags(trim($_POST['embedly']))               : '');
601
602         if($a->get_path() != "")
603                 $diaspora_enabled = false;
604
605         if(!$thread_allow)
606                 $ostatus_disabled = true;
607
608         if($ssl_policy != intval(get_config('system','ssl_policy'))) {
609                 if($ssl_policy == SSL_POLICY_FULL) {
610                         q("update `contact` set
611                                 `url`     = replace(`url`    , 'http:' , 'https:'),
612                                 `photo`   = replace(`photo`  , 'http:' , 'https:'),
613                                 `thumb`   = replace(`thumb`  , 'http:' , 'https:'),
614                                 `micro`   = replace(`micro`  , 'http:' , 'https:'),
615                                 `request` = replace(`request`, 'http:' , 'https:'),
616                                 `notify`  = replace(`notify` , 'http:' , 'https:'),
617                                 `poll`    = replace(`poll`   , 'http:' , 'https:'),
618                                 `confirm` = replace(`confirm`, 'http:' , 'https:'),
619                                 `poco`    = replace(`poco`   , 'http:' , 'https:')
620                                 where `self` = 1"
621                         );
622                         q("update `profile` set
623                                 `photo`   = replace(`photo`  , 'http:' , 'https:'),
624                                 `thumb`   = replace(`thumb`  , 'http:' , 'https:')
625                                 where 1 "
626                         );
627                 }
628                 elseif($ssl_policy == SSL_POLICY_SELFSIGN) {
629                         q("update `contact` set
630                                 `url`     = replace(`url`    , 'https:' , 'http:'),
631                                 `photo`   = replace(`photo`  , 'https:' , 'http:'),
632                                 `thumb`   = replace(`thumb`  , 'https:' , 'http:'),
633                                 `micro`   = replace(`micro`  , 'https:' , 'http:'),
634                                 `request` = replace(`request`, 'https:' , 'http:'),
635                                 `notify`  = replace(`notify` , 'https:' , 'http:'),
636                                 `poll`    = replace(`poll`   , 'https:' , 'http:'),
637                                 `confirm` = replace(`confirm`, 'https:' , 'http:'),
638                                 `poco`    = replace(`poco`   , 'https:' , 'http:')
639                                 where `self` = 1"
640                         );
641                         q("update `profile` set
642                                 `photo`   = replace(`photo`  , 'https:' , 'http:'),
643                                 `thumb`   = replace(`thumb`  , 'https:' , 'http:')
644                                 where 1 "
645                         );
646                 }
647         }
648         set_config('system','ssl_policy',$ssl_policy);
649         set_config('system','delivery_interval',$delivery_interval);
650         set_config('system','poll_interval',$poll_interval);
651         set_config('system','maxloadavg',$maxloadavg);
652         set_config('system','maxloadavg_frontend',$maxloadavg_frontend);
653         set_config('system','optimize_max_tablesize',$optimize_max_tablesize);
654         set_config('system','optimize_fragmentation',$optimize_fragmentation);
655         set_config('system','poco_completion',$poco_completion);
656         set_config('system','poco_requery_days',$poco_requery_days);
657         set_config('system','poco_discovery',$poco_discovery);
658         set_config('system','poco_discovery_since',$poco_discovery_since);
659         set_config('system','poco_local_search',$poco_local_search);
660         set_config('system','nodeinfo',$nodeinfo);
661         set_config('config','sitename',$sitename);
662         set_config('config','hostname',$hostname);
663         set_config('config','sender_email', $sender_email);
664         set_config('system','suppress_language',$suppress_language);
665         set_config('system','suppress_tags',$suppress_tags);
666         set_config('system','shortcut_icon',$shortcut_icon);
667         set_config('system','touch_icon',$touch_icon);
668
669         if($banner=="") {
670                 // don't know why, but del_config doesn't work...
671                 q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
672                         dbesc("system"),
673                         dbesc("banner")
674                 );
675         } else {
676                 set_config('system','banner', $banner);
677         }
678
679         if($info=="") {
680                 del_config('config','info');
681         } else {
682                 set_config('config','info',$info);
683         }
684         set_config('system','language', $language);
685         set_config('system','theme', $theme);
686
687         if( $theme_mobile === '---' ) {
688                 del_config('system','mobile-theme');
689         } else {
690                 set_config('system','mobile-theme', $theme_mobile);
691                 }
692                 if( $singleuser === '---' ) {
693                         del_config('system','singleuser');
694                 } else {
695                         set_config('system','singleuser', $singleuser);
696                 }
697         set_config('system','maximagesize', $maximagesize);
698         set_config('system','max_image_length', $maximagelength);
699         set_config('system','jpeg_quality', $jpegimagequality);
700
701         set_config('config','register_policy', $register_policy);
702         set_config('system','max_daily_registrations', $daily_registrations);
703         set_config('system','account_abandon_days', $abandon_days);
704         set_config('config','register_text', $register_text);
705         set_config('system','allowed_sites', $allowed_sites);
706         set_config('system','allowed_email', $allowed_email);
707         set_config('system','block_public', $block_public);
708         set_config('system','publish_all', $force_publish);
709         set_config('system','directory', $global_directory);
710         set_config('system','thread_allow', $thread_allow);
711         set_config('system','newuser_private', $newuser_private);
712         set_config('system','enotify_no_content', $enotify_no_content);
713         set_config('system','disable_embedded', $disable_embedded);
714         set_config('system','allow_users_remote_self', $allow_users_remote_self);
715
716         set_config('system','block_extended_register', $no_multi_reg);
717         set_config('system','no_openid', $no_openid);
718         set_config('system','no_regfullname', $no_regfullname);
719         set_config('system','community_page_style', $community_page_style);
720         set_config('system','max_author_posts_community_page', $max_author_posts_community_page);
721         set_config('system','no_utf', $no_utf);
722         set_config('system','verifyssl', $verifyssl);
723         set_config('system','proxyuser', $proxyuser);
724         set_config('system','proxy', $proxy);
725         set_config('system','curl_timeout', $timeout);
726         set_config('system','dfrn_only', $dfrn_only);
727         set_config('system','ostatus_disabled', $ostatus_disabled);
728         set_config('system','ostatus_poll_interval', $ostatus_poll_interval);
729         set_config('system','diaspora_enabled', $diaspora_enabled);
730
731         set_config('config','private_addons', $private_addons);
732
733         set_config('system','force_ssl', $force_ssl);
734         set_config('system','old_share', $old_share);
735         set_config('system','hide_help', $hide_help);
736         set_config('system','use_fulltext_engine', $use_fulltext_engine);
737         set_config('system','itemcache', $itemcache);
738         set_config('system','itemcache_duration', $itemcache_duration);
739         set_config('system','max_comments', $max_comments);
740         set_config('system','lockpath', $lockpath);
741         set_config('system','temppath', $temppath);
742         set_config('system','basepath', $basepath);
743         set_config('system','proxy_disabled', $proxy_disabled);
744         set_config('system','old_pager', $old_pager);
745         set_config('system','only_tag_search', $only_tag_search);
746
747
748         if($rino==2 and !function_exists('mcrypt_create_iv')) {
749                 notice(t("RINO2 needs mcrypt php extension to work."));
750         } else {
751                 set_config('system','rino_encrypt', $rino);
752         }
753
754         set_config('system','embedly', $embedly);
755
756
757         info( t('Site settings updated.') . EOL);
758         goaway($a->get_baseurl(true) . '/admin/site' );
759         return; // NOTREACHED
760
761 }
762
763 /**
764  * @brief Generate Admin Site subpage
765  *
766  * This function generates the main configuration page of the admin panel.
767  *
768  * @param  App $a
769  * @return string
770  */
771 function admin_page_site(&$a) {
772
773         /* Installed langs */
774         $lang_choices = get_avaiable_languages();
775
776         if(strlen(get_config('system','directory_submit_url')) AND
777                 !strlen(get_config('system','directory'))) {
778                         set_config('system','directory', dirname(get_config('system','directory_submit_url')));
779                         del_config('system','directory_submit_url');
780         }
781
782         /* Installed themes */
783         $theme_choices = array();
784         $theme_choices_mobile = array();
785         $theme_choices_mobile["---"] = t("No special theme for mobile devices");
786         $files = glob('view/theme/*');
787         if($files) {
788                 foreach($files as $file) {
789                         if(intval(file_exists($file . '/unsupported')))
790                                 continue;
791
792                         $f = basename($file);
793                         $theme_name = ((file_exists($file . '/experimental')) ?  sprintf("%s - \x28Experimental\x29", $f) : $f);
794                         if(file_exists($file . '/mobile')) {
795                                 $theme_choices_mobile[$f] = $theme_name;
796                         } else {
797                                 $theme_choices[$f] = $theme_name;
798                         }
799                 }
800         }
801
802         /* Community page style */
803         $community_page_style_choices = array(
804                 CP_NO_COMMUNITY_PAGE => t("No community page"),
805                 CP_USERS_ON_SERVER => t("Public postings from users of this site"),
806                 CP_GLOBAL_COMMUNITY => t("Global community page")
807                 );
808
809         /* OStatus conversation poll choices */
810         $ostatus_poll_choices = array(
811                 "-2" => t("Never"),
812                 "-1" => t("At post arrival"),
813                 "0" => t("Frequently"),
814                 "60" => t("Hourly"),
815                 "720" => t("Twice daily"),
816                 "1440" => t("Daily")
817                 );
818
819         $poco_discovery_choices = array(
820                 "0" => t("Disabled"),
821                 "1" => t("Users"),
822                 "2" => t("Users, Global Contacts"),
823                 "3" => t("Users, Global Contacts/fallback"),
824                 );
825
826         $poco_discovery_since_choices = array(
827                 "30" => t("One month"),
828                 "91" => t("Three months"),
829                 "182" => t("Half a year"),
830                 "365" => t("One year"),
831                 );
832
833         /* get user names to make the install a personal install of X */
834         $user_names = array();
835         $user_names['---'] = t('Multi user instance');
836         $users = q("SELECT username, nickname FROM `user`");
837         foreach ($users as $user) {
838                 $user_names[$user['nickname']] = $user['username'];
839         }
840
841         /* Banner */
842         $banner = get_config('system','banner');
843         if($banner == false)
844                 $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>';
845         $banner = htmlspecialchars($banner);
846         $info = get_config('config','info');
847         $info = htmlspecialchars($info);
848
849         // Automatically create temporary paths
850         get_temppath();
851         get_lockpath();
852         get_itemcachepath();
853
854         //echo "<pre>"; var_dump($lang_choices); die("</pre>");
855
856         /* Register policy */
857         $register_choices = array(
858                 REGISTER_CLOSED => t("Closed"),
859                 REGISTER_APPROVE => t("Requires approval"),
860                 REGISTER_OPEN => t("Open")
861         );
862
863         $ssl_choices = array(
864                 SSL_POLICY_NONE => t("No SSL policy, links will track page SSL state"),
865                 SSL_POLICY_FULL => t("Force all links to use SSL"),
866                 SSL_POLICY_SELFSIGN => t("Self-signed certificate, use SSL for local links only (discouraged)")
867         );
868
869         if($a->config['hostname'] == "")
870                 $a->config['hostname'] = $a->get_hostname();
871
872         $diaspora_able = ($a->get_path() == "");
873
874         $t = get_markup_template("admin_site.tpl");
875         return replace_macros($t, array(
876                 '$title' => t('Administration'),
877                 '$page' => t('Site'),
878                 '$submit' => t('Save Settings'),
879                 '$registration' => t('Registration'),
880                 '$upload' => t('File upload'),
881                 '$corporate' => t('Policies'),
882                 '$advanced' => t('Advanced'),
883                 '$portable_contacts' => t('Auto Discovered Contact Directory'),
884                 '$performance' => t('Performance'),
885                 '$relocate'=> t('Relocate - WARNING: advanced function. Could make this server unreachable.'),
886                 '$baseurl' => $a->get_baseurl(true),
887                 // name, label, value, help string, extra data...
888                 '$sitename'             => array('sitename', t("Site name"), $a->config['sitename'],''),
889                 '$hostname'             => array('hostname', t("Host name"), $a->config['hostname'], ""),
890                 '$sender_email'         => array('sender_email', t("Sender Email"), $a->config['sender_email'], t("The email address your server shall use to send notification emails from."), "", "", "email"),
891                 '$banner'               => array('banner', t("Banner/Logo"), $banner, ""),
892                 '$shortcut_icon'        => array('shortcut_icon', t("Shortcut icon"), get_config('system','shortcut_icon'),  t("Link to an icon that will be used for browsers.")),
893                 '$touch_icon'           => array('touch_icon', t("Touch icon"), get_config('system','touch_icon'),  t("Link to an icon that will be used for tablets and mobiles.")),
894                 '$info'                 => array('info',t('Additional Info'), $info, sprintf(t('For public servers: you can add additional information here that will be listed at %s/siteinfo.'), get_server())),
895                 '$language'             => array('language', t("System language"), get_config('system','language'), "", $lang_choices),
896                 '$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>"), $theme_choices),
897                 '$theme_mobile'         => array('theme_mobile', t("Mobile system theme"), get_config('system','mobile-theme'), t("Theme for mobile devices"), $theme_choices_mobile),
898                 '$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"), $ssl_choices),
899                 '$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.")),
900                 '$old_share'            => array('old_share', t("Old style 'Share'"), get_config('system','old_share'), t("Deactivates the bbcode element 'share' for repeating items.")),
901                 '$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.")),
902                 '$singleuser'           => array('singleuser', t("Single user instance"), get_config('system','singleuser'), t("Make this instance multi-user or single-user for the named user"), $user_names),
903                 '$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.")),
904                 '$maximagelength'       => array('maximagelength', t("Maximum image length"), get_config('system','max_image_length'), t("Maximum length in pixels of the longest side of uploaded images. Default is -1, which means no limits.")),
905                 '$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.")),
906
907                 '$register_policy'      => array('register_policy', t("Register policy"), $a->config['register_policy'], "", $register_choices),
908                 '$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.")),
909                 '$register_text'        => array('register_text', t("Register text"), $a->config['register_text'], t("Will be displayed prominently on the registration page.")),
910                 '$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.')),
911                 '$allowed_sites'        => array('allowed_sites', t("Allowed friend domains"), get_config('system','allowed_sites'), t("Comma separated list of domains which are allowed to establish friendships with this site. Wildcards are accepted. Empty to allow any domains")),
912                 '$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")),
913                 '$block_public'         => array('block_public', t("Block public"), get_config('system','block_public'), t("Check to block public access to all otherwise public personal pages on this site unless you are currently logged in.")),
914                 '$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.")),
915                 '$global_directory'     => array('directory', t("Global directory URL"), get_config('system','directory'), t("URL to the global directory. If this is not set, the global directory is completely unavailable to the application.")),
916                 '$thread_allow'         => array('thread_allow', t("Allow threaded items"), get_config('system','thread_allow'), t("Allow infinite level threading for items on this site.")),
917                 '$newuser_private'      => array('newuser_private', t("Private posts by default for new users"), get_config('system','newuser_private'), t("Set default post permissions for all new members to the default privacy group rather than public.")),
918                 '$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.")),
919                 '$private_addons'       => array('private_addons', t("Disallow public access to addons listed in the apps menu."), get_config('config','private_addons'), t("Checking this box will restrict addons listed in the apps menu to members only.")),
920                 '$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.")),
921                 '$allow_users_remote_self' => array('allow_users_remote_self', t('Allow Users to set remote_self'), get_config('system','allow_users_remote_self'), t('With checking this, every user is allowed to mark every contact as a remote_self in the repair contact dialog. Setting this flag on a contact causes mirroring every posting of that contact in the users stream.')),
922                 '$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.")),
923                 '$no_openid'            => array('no_openid', t("OpenID support"), !get_config('system','no_openid'), t("OpenID support for registration and logins.")),
924                 '$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")),
925                 '$no_utf'               => array('no_utf', t("UTF-8 Regular expressions"), !get_config('system','no_utf'), t("Use PHP UTF8 regular expressions")),
926                 '$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."), $community_page_style_choices),
927                 '$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')")),
928                 '$ostatus_disabled'     => array('ostatus_disabled', t("Enable OStatus support"), !get_config('system','ostatus_disabled'), t("Provide built-in OStatus \x28StatusNet, GNU Social etc.\x29 compatibility. All communications in OStatus are public, so privacy warnings will be occasionally displayed.")),
929                 '$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."), $ostatus_poll_choices),
930                 '$ostatus_not_able'     => t("OStatus support can only be enabled if threading is enabled."),
931                 '$diaspora_able'        => $diaspora_able,
932                 '$diaspora_not_able'    => t("Diaspora support can't be enabled because Friendica was installed into a sub directory."),
933                 '$diaspora_enabled'     => array('diaspora_enabled', t("Enable Diaspora support"), get_config('system','diaspora_enabled'), t("Provide built-in Diaspora network compatibility.")),
934                 '$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.")),
935                 '$verifyssl'            => array('verifyssl', t("Verify SSL"), get_config('system','verifyssl'), t("If you wish, you can turn on strict certificate checking. This will mean you cannot connect (at all) to self-signed SSL sites.")),
936                 '$proxyuser'            => array('proxyuser', t("Proxy user"), get_config('system','proxyuser'), ""),
937                 '$proxy'                => array('proxy', t("Proxy URL"), get_config('system','proxy'), ""),
938                 '$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).")),
939                 '$delivery_interval'    => array('delivery_interval', t("Delivery interval"), (x(get_config('system','delivery_interval'))?get_config('system','delivery_interval'):2), t("Delay background delivery processes by this many seconds to reduce system load. Recommend: 4-5 for shared hosts, 2-3 for virtual private servers. 0-1 for large dedicated servers.")),
940                 '$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.")),
941                 '$maxloadavg'           => array('maxloadavg', t("Maximum Load Average"), ((intval(get_config('system','maxloadavg')) > 0)?get_config('system','maxloadavg'):50), t("Maximum system load before delivery and poll processes are deferred - default 50.")),
942                 '$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.")),
943                 '$optimize_max_tablesize'=> array('optimize_max_tablesize', t("Maximum table size for optimization"), ((intval(get_config('system','optimize_max_tablesize')) > 0)?get_config('system','optimize_max_tablesize'):100), t("Maximum table size (in MB) for the automatic optimization - default 100 MB. Enter -1 to disable it.")),
944                 '$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%.")),
945
946                 '$poco_completion'      => array('poco_completion', t("Periodical check of global contacts"), get_config('system','poco_completion'), t("If enabled, the global contacts are checked periodically for missing or outdated data and the vitality of the contacts and servers.")),
947                 '$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.")),
948                 '$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'."), $poco_discovery_choices),
949                 '$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."), $poco_discovery_since_choices),
950                 '$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.")),
951
952                 '$nodeinfo'             => array('nodeinfo', t("Publish server information"), get_config('system','nodeinfo'), t("If enabled, general server and usage data will be published. The data contains the name and version of the server, number of users with public profiles, number of posts and the activated protocols and connectors. See <a href='http://the-federation.info/'>the-federation.info</a> for details.")),
953
954                 '$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.")),
955                 '$suppress_language'    => array('suppress_language', t("Suppress Language"), get_config('system','suppress_language'), t("Suppress language information in meta information about a posting.")),
956                 '$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.")),
957                 '$itemcache'            => array('itemcache', t("Path to item cache"), get_config('system','itemcache'), t("The item caches buffers generated bbcode and external images.")),
958                 '$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.")),
959                 '$max_comments'         => array('max_comments', t("Maximum numbers of comments per post"), get_config('system','max_comments'), t("How much comments should be shown for each post? Default value is 100.")),
960                 '$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.")),
961                 '$temppath'             => array('temppath', t("Temp path"), get_config('system','temppath'), t("If you have a restricted system where the webserver can't access the system temp path, enter another path here.")),
962                 '$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.")),
963                 '$proxy_disabled'       => array('proxy_disabled', t("Disable picture proxy"), get_config('system','proxy_disabled'), t("The picture proxy increases performance and privacy. It shouldn't be used on systems with very low bandwith.")),
964                 '$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.")),
965                 '$only_tag_search'      => array('only_tag_search', t("Only search in tags"), get_config('system','only_tag_search'), t("On large systems the text search can slow down the system extremely.")),
966
967                 '$relocate_url'         => array('relocate_url', t("New base url"), $a->get_baseurl(), t("Change base url for this server. Sends relocate message to all DFRN contacts of all users.")),
968
969                 '$rino'                 => array('rino', t("RINO Encryption"), intval(get_config('system','rino_encrypt')), t("Encryption layer between nodes."), array("Disabled", "RINO1 (deprecated)", "RINO2")),
970                 '$embedly'              => array('embedly', t("Embedly API key"), get_config('system','embedly'), t("<a href='http://embed.ly'>Embedly</a> is used to fetch additional data for web pages. This is an optional parameter.")),
971
972                 '$form_security_token'  => get_form_security_token("admin_site")
973
974         ));
975
976 }
977
978 /**
979  * @brief Generates admin panel subpage for DB syncronization
980  *
981  * This page checks if the database of friendica is in sync with the specs.
982  * Should this not be the case, it attemps to sync the structure and notifies
983  * the admin if the automatic process was failing.
984  *
985  * The returned string holds the HTML code of the page.
986  *
987  * @param App $a
988  * @return string
989  **/
990 function admin_page_dbsync(&$a) {
991
992         $o = '';
993
994         if($a->argc > 3 && intval($a->argv[3]) && $a->argv[2] === 'mark') {
995                 set_config('database', 'update_' . intval($a->argv[3]), 'success');
996                 $curr = get_config('system','build');
997                 if(intval($curr) == intval($a->argv[3]))
998                         set_config('system','build',intval($curr) + 1);
999                 info( t('Update has been marked successful') . EOL);
1000                 goaway($a->get_baseurl(true) . '/admin/dbsync');
1001         }
1002
1003         if(($a->argc > 2) AND (intval($a->argv[2]) OR ($a->argv[2] === 'check'))) {
1004                 require_once("include/dbstructure.php");
1005                 $retval = update_structure(false, true);
1006                 if(!$retval) {
1007                         $o .= sprintf(t("Database structure update %s was successfully applied."), DB_UPDATE_VERSION)."<br />";
1008                         set_config('database', 'dbupdate_'.DB_UPDATE_VERSION, 'success');
1009                 } else
1010                         $o .= sprintf(t("Executing of database structure update %s failed with error: %s"),
1011                                         DB_UPDATE_VERSION, $retval)."<br />";
1012                 if($a->argv[2] === 'check')
1013                         return $o;
1014         }
1015
1016         if($a->argc > 2 && intval($a->argv[2])) {
1017                 require_once('update.php');
1018                 $func = 'update_' . intval($a->argv[2]);
1019                 if(function_exists($func)) {
1020                         $retval = $func();
1021                         if($retval === UPDATE_FAILED) {
1022                                 $o .= sprintf(t("Executing %s failed with error: %s"), $func, $retval);
1023                         }
1024                         elseif($retval === UPDATE_SUCCESS) {
1025                                 $o .= sprintf(t('Update %s was successfully applied.', $func));
1026                                 set_config('database',$func, 'success');
1027                         }
1028                         else
1029                                 $o .= sprintf(t('Update %s did not return a status. Unknown if it succeeded.'), $func);
1030                 } else {
1031                         $o .= sprintf(t('There was no additional update function %s that needed to be called.'), $func)."<br />";
1032                         set_config('database',$func, 'success');
1033                 }
1034                 return $o;
1035         }
1036
1037         $failed = array();
1038         $r = q("select k, v from config where `cat` = 'database' ");
1039         if(count($r)) {
1040                 foreach($r as $rr) {
1041                         $upd = intval(substr($rr['k'],7));
1042                         if($upd < 1139 || $rr['v'] === 'success')
1043                                 continue;
1044                         $failed[] = $upd;
1045                 }
1046         }
1047         if(! count($failed)) {
1048                 $o = replace_macros(get_markup_template('structure_check.tpl'),array(
1049                         '$base' => $a->get_baseurl(true),
1050                         '$banner' => t('No failed updates.'),
1051                         '$check' => t('Check database structure'),
1052                 ));
1053         } else {
1054                 $o = replace_macros(get_markup_template('failed_updates.tpl'),array(
1055                         '$base' => $a->get_baseurl(true),
1056                         '$banner' => t('Failed Updates'),
1057                         '$desc' => t('This does not include updates prior to 1139, which did not return a status.'),
1058                         '$mark' => t('Mark success (if update was manually applied)'),
1059                         '$apply' => t('Attempt to execute this update step automatically'),
1060                         '$failed' => $failed
1061                 ));
1062         }
1063
1064         return $o;
1065
1066 }
1067
1068 /**
1069  * @brief Process data send by Users admin page
1070  * 
1071  * @param App $a
1072  */
1073 function admin_page_users_post(&$a){
1074         $pending        =       ( x($_POST, 'pending')                  ? $_POST['pending']             : array() );
1075         $users          =       ( x($_POST, 'user')                     ? $_POST['user']                : array() );
1076         $nu_name        =       ( x($_POST, 'new_user_name')            ? $_POST['new_user_name']       : '');
1077         $nu_nickname    =       ( x($_POST, 'new_user_nickname')        ? $_POST['new_user_nickname']   : '');
1078         $nu_email       =       ( x($_POST, 'new_user_email')           ? $_POST['new_user_email']      : '');
1079
1080         check_form_security_token_redirectOnErr('/admin/users', 'admin_users');
1081
1082         if(!($nu_name==="") && !($nu_email==="") && !($nu_nickname==="")) {
1083                 require_once('include/user.php');
1084
1085                 $result = create_user( array('username'=>$nu_name, 'email'=>$nu_email, 'nickname'=>$nu_nickname, 'verified'=>1)  );
1086                 if(! $result['success']) {
1087                         notice($result['message']);
1088                         return;
1089                 }
1090                 $nu = $result['user'];
1091                 $preamble = deindent(t('
1092                         Dear %1$s,
1093                                 the administrator of %2$s has set up an account for you.'));
1094                 $body = deindent(t('
1095                         The login details are as follows:
1096
1097                         Site Location:  %1$s
1098                         Login Name:             %2$s
1099                         Password:               %3$s
1100
1101                         You may change your password from your account "Settings" page after logging
1102                         in.
1103
1104                         Please take a few moments to review the other account settings on that page.
1105
1106                         You may also wish to add some basic information to your default profile
1107                         (on the "Profiles" page) so that other people can easily find you.
1108
1109                         We recommend setting your full name, adding a profile photo,
1110                         adding some profile "keywords" (very useful in making new friends) - and
1111                         perhaps what country you live in; if you do not wish to be more specific
1112                         than that.
1113
1114                         We fully respect your right to privacy, and none of these items are necessary.
1115                         If you are new and do not know anybody here, they may help
1116                         you to make some new and interesting friends.
1117
1118                         Thank you and welcome to %4$s.'));
1119
1120                 $preamble = sprintf($preamble, $nu['username'], $a->config['sitename']);
1121                 $body = sprintf($body, $a->get_baseurl(), $nu['email'], $result['password'], $a->config['sitename']);
1122
1123                 notification(array(
1124                         'type' => "SYSTEM_EMAIL",
1125                         'to_email' => $nu['email'],
1126                         'subject'=> sprintf( t('Registration details for %s'), $a->config['sitename']),
1127                         'preamble'=> $preamble,
1128                         'body' => $body));
1129
1130         }
1131
1132         if(x($_POST,'page_users_block')) {
1133                 foreach($users as $uid){
1134                         q("UPDATE `user` SET `blocked`=1-`blocked` WHERE `uid`=%s",
1135                                 intval( $uid )
1136                         );
1137                 }
1138                 notice( sprintf( tt("%s user blocked/unblocked", "%s users blocked/unblocked", count($users)), count($users)) );
1139         }
1140         if(x($_POST,'page_users_delete')) {
1141                 require_once("include/Contact.php");
1142                 foreach($users as $uid){
1143                         user_remove($uid);
1144                 }
1145                 notice( sprintf( tt("%s user deleted", "%s users deleted", count($users)), count($users)) );
1146         }
1147
1148         if(x($_POST,'page_users_approve')) {
1149                 require_once("mod/regmod.php");
1150                 foreach($pending as $hash){
1151                         user_allow($hash);
1152                 }
1153         }
1154         if(x($_POST,'page_users_deny')) {
1155                 require_once("mod/regmod.php");
1156                 foreach($pending as $hash){
1157                         user_deny($hash);
1158                 }
1159         }
1160         goaway($a->get_baseurl(true) . '/admin/users' );
1161         return; // NOTREACHED
1162 }
1163
1164 /**
1165  * @brief Admin panel subpage for User management
1166  *
1167  * This function generates the admin panel page for user management of the
1168  * node. It offers functionality to add/block/delete users and offers some
1169  * statistics about the userbase.
1170  *
1171  * The returned string holds the HTML code of the page.
1172  *
1173  * @param App $a
1174  * @return string
1175  */
1176 function admin_page_users(&$a){
1177         if($a->argc>2) {
1178                 $uid = $a->argv[3];
1179                 $user = q("SELECT username, blocked FROM `user` WHERE `uid`=%d", intval($uid));
1180                 if(count($user)==0) {
1181                         notice( 'User not found' . EOL);
1182                         goaway($a->get_baseurl(true) . '/admin/users' );
1183                         return ''; // NOTREACHED
1184                 }
1185                 switch($a->argv[2]){
1186                         case "delete":{
1187                                 check_form_security_token_redirectOnErr('/admin/users', 'admin_users', 't');
1188                                 // delete user
1189                                 require_once("include/Contact.php");
1190                                 user_remove($uid);
1191
1192                                 notice( sprintf(t("User '%s' deleted"), $user[0]['username']) . EOL);
1193                         }; break;
1194                         case "block":{
1195                                 check_form_security_token_redirectOnErr('/admin/users', 'admin_users', 't');
1196                                 q("UPDATE `user` SET `blocked`=%d WHERE `uid`=%s",
1197                                         intval( 1-$user[0]['blocked'] ),
1198                                         intval( $uid )
1199                                 );
1200                                 notice( sprintf( ($user[0]['blocked']?t("User '%s' unblocked"):t("User '%s' blocked")) , $user[0]['username']) . EOL);
1201                         }; break;
1202                 }
1203                 goaway($a->get_baseurl(true) . '/admin/users' );
1204                 return ''; // NOTREACHED
1205
1206         }
1207
1208         /* get pending */
1209         $pending = q("SELECT `register`.*, `contact`.`name`, `user`.`email`
1210                                  FROM `register`
1211                                  LEFT JOIN `contact` ON `register`.`uid` = `contact`.`uid`
1212                                  LEFT JOIN `user` ON `register`.`uid` = `user`.`uid`;");
1213
1214
1215         /* get users */
1216         $total = q("SELECT count(*) as total FROM `user` where 1");
1217         if(count($total)) {
1218                 $a->set_pager_total($total[0]['total']);
1219                 $a->set_pager_itemspage(100);
1220         }
1221
1222         $users = q("SELECT `user` . * , `contact`.`name` , `contact`.`url` , `contact`.`micro`, `lastitem`.`lastitem_date`, `user`.`account_expired`
1223                                 FROM
1224                                         (SELECT MAX(`item`.`changed`) as `lastitem_date`, `item`.`uid`
1225                                         FROM `item`
1226                                         WHERE `item`.`type` = 'wall'
1227                                         GROUP BY `item`.`uid`) AS `lastitem`
1228                                                  RIGHT OUTER JOIN `user` ON `user`.`uid` = `lastitem`.`uid`,
1229                                            `contact`
1230                                 WHERE
1231                                            `user`.`uid` = `contact`.`uid`
1232                                                 AND `user`.`verified` =1
1233                                         AND `contact`.`self` =1
1234                                 ORDER BY `contact`.`name` LIMIT %d, %d
1235                                 ",
1236                                 intval($a->pager['start']),
1237                                 intval($a->pager['itemspage'])
1238                                 );
1239
1240         $adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
1241         $_setup_users = function ($e) use ($adminlist){
1242                 $accounts = array(
1243                         t('Normal Account'),
1244                         t('Soapbox Account'),
1245                         t('Community/Celebrity Account'),
1246                                                 t('Automatic Friend Account')
1247                 );
1248                 $e['page-flags'] = $accounts[$e['page-flags']];
1249                 $e['register_date'] = relative_date($e['register_date']);
1250                 $e['login_date'] = relative_date($e['login_date']);
1251                 $e['lastitem_date'] = relative_date($e['lastitem_date']);
1252                 //$e['is_admin'] = ($e['email'] === $a->config['admin_email']);
1253                 $e['is_admin'] = in_array($e['email'], $adminlist);
1254                 $e['is_deletable'] = (intval($e['uid']) != local_user());
1255                 $e['deleted'] = ($e['account_removed']?relative_date($e['account_expires_on']):False);
1256                 return $e;
1257         };
1258         $users = array_map($_setup_users, $users);
1259
1260
1261         // Get rid of dashes in key names, Smarty3 can't handle them
1262         // and extracting deleted users
1263
1264         $tmp_users = array();
1265         $deleted = array();
1266
1267         while(count($users)) {
1268                 $new_user = array();
1269                 foreach( array_pop($users) as $k => $v) {
1270                         $k = str_replace('-','_',$k);
1271                         $new_user[$k] = $v;
1272                 }
1273                 if($new_user['deleted']) {
1274                         array_push($deleted, $new_user);
1275                 }
1276                 else {
1277                         array_push($tmp_users, $new_user);
1278                 }
1279         }
1280         //Reversing the two array, and moving $tmp_users to $users
1281         array_reverse($deleted);
1282         while(count($tmp_users)) {
1283                 array_push($users, array_pop($tmp_users));
1284         }
1285
1286         $t = get_markup_template("admin_users.tpl");
1287         $o = replace_macros($t, array(
1288                 // strings //
1289                 '$title' => t('Administration'),
1290                 '$page' => t('Users'),
1291                 '$submit' => t('Add User'),
1292                 '$select_all' => t('select all'),
1293                 '$h_pending' => t('User registrations waiting for confirm'),
1294                 '$h_deleted' => t('User waiting for permanent deletion'),
1295                 '$th_pending' => array( t('Request date'), t('Name'), t('Email') ),
1296                 '$no_pending' =>  t('No registrations.'),
1297                 '$approve' => t('Approve'),
1298                 '$deny' => t('Deny'),
1299                 '$delete' => t('Delete'),
1300                 '$block' => t('Block'),
1301                 '$unblock' => t('Unblock'),
1302                 '$siteadmin' => t('Site admin'),
1303                 '$accountexpired' => t('Account expired'),
1304
1305                 '$h_users' => t('Users'),
1306                 '$h_newuser' => t('New User'),
1307                 '$th_deleted' => array( t('Name'), t('Email'), t('Register date'), t('Last login'), t('Last item'), t('Deleted since') ),
1308                 '$th_users' => array( t('Name'), t('Email'), t('Register date'), t('Last login'), t('Last item'),  t('Account') ),
1309
1310                 '$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?'),
1311                 '$confirm_delete' => t('The user {0} will be deleted!\n\nEverything this user has posted on this site will be permanently deleted!\n\nAre you sure?'),
1312
1313                 '$form_security_token' => get_form_security_token("admin_users"),
1314
1315                 // values //
1316                 '$baseurl' => $a->get_baseurl(true),
1317
1318                 '$pending' => $pending,
1319                 'deleted' => $deleted,
1320                 '$users' => $users,
1321                 '$newusername' => array('new_user_name', t("Name"), '', t("Name of the new user.")),
1322                 '$newusernickname' => array('new_user_nickname', t("Nickname"), '', t("Nickname of the new user.")),
1323                 '$newuseremail' => array('new_user_email', t("Email"), '', t("Email address of the new user."), '', '', 'email'),
1324         ));
1325         $o .= paginate($a);
1326         return $o;
1327 }
1328
1329
1330 /**
1331  * @brief Plugins admin page
1332  *
1333  * This function generates the admin panel page for managing plugins on the
1334  * friendica node. If a plugin name is given a single page showing the details
1335  * for this addon is generated. If no name is given, a list of available
1336  * plugins is shown.
1337  *
1338  * The template used for displaying the list of plugins and the details of the
1339  * plugin are the same as used for the templates.
1340  *
1341  * The returned string returned hulds the HTML code of the page.
1342  *
1343  * @param App $a
1344  * @return string
1345  */
1346 function admin_page_plugins(&$a){
1347
1348         /*
1349          * Single plugin
1350          */
1351         if($a->argc == 3) {
1352                 $plugin = $a->argv[2];
1353                 if(!is_file("addon/$plugin/$plugin.php")) {
1354                         notice( t("Item not found.") );
1355                         return '';
1356                 }
1357
1358                 if(x($_GET,"a") && $_GET['a']=="t") {
1359                         check_form_security_token_redirectOnErr('/admin/plugins', 'admin_themes', 't');
1360
1361                         // Toggle plugin status
1362                         $idx = array_search($plugin, $a->plugins);
1363                         if($idx !== false) {
1364                                 unset($a->plugins[$idx]);
1365                                 uninstall_plugin($plugin);
1366                                 info( sprintf( t("Plugin %s disabled."), $plugin ) );
1367                         } else {
1368                                 $a->plugins[] = $plugin;
1369                                 install_plugin($plugin);
1370                                 info( sprintf( t("Plugin %s enabled."), $plugin ) );
1371                         }
1372                         set_config("system","addon", implode(", ",$a->plugins));
1373                         goaway($a->get_baseurl(true) . '/admin/plugins' );
1374                         return ''; // NOTREACHED
1375                 }
1376
1377                 // display plugin details
1378                 require_once('library/markdown.php');
1379
1380                 if(in_array($plugin, $a->plugins)) {
1381                         $status="on"; $action= t("Disable");
1382                 } else {
1383                         $status="off"; $action= t("Enable");
1384                 }
1385
1386                 $readme=Null;
1387                 if(is_file("addon/$plugin/README.md")) {
1388                         $readme = file_get_contents("addon/$plugin/README.md");
1389                         $readme = Markdown($readme);
1390                 } elseif(is_file("addon/$plugin/README")) {
1391                         $readme = "<pre>". file_get_contents("addon/$plugin/README") ."</pre>";
1392                 }
1393
1394                 $admin_form="";
1395                 if(is_array($a->plugins_admin) && in_array($plugin, $a->plugins_admin)) {
1396                         @require_once("addon/$plugin/$plugin.php");
1397                         $func = $plugin.'_plugin_admin';
1398                         $func($a, $admin_form);
1399                 }
1400
1401                 $t = get_markup_template("admin_plugins_details.tpl");
1402
1403                 return replace_macros($t, array(
1404                         '$title' => t('Administration'),
1405                         '$page' => t('Plugins'),
1406                         '$toggle' => t('Toggle'),
1407                         '$settings' => t('Settings'),
1408                         '$baseurl' => $a->get_baseurl(true),
1409
1410                         '$plugin' => $plugin,
1411                         '$status' => $status,
1412                         '$action' => $action,
1413                         '$info' => get_plugin_info($plugin),
1414                         '$str_author' => t('Author: '),
1415                         '$str_maintainer' => t('Maintainer: '),
1416
1417                         '$admin_form' => $admin_form,
1418                         '$function' => 'plugins',
1419                         '$screenshot' => '',
1420                         '$readme' => $readme,
1421
1422                         '$form_security_token' => get_form_security_token("admin_themes"),
1423                 ));
1424         }
1425
1426
1427
1428         /*
1429          * List plugins
1430          */
1431
1432         if(x($_GET,"a") && $_GET['a']=="r") {
1433                 check_form_security_token_redirectOnErr($a->get_baseurl().'/admin/plugins', 'admin_themes', 't');
1434                 reload_plugins();
1435                 info("Plugins reloaded");
1436                 goaway($a->get_baseurl().'/admin/plugins');
1437         }
1438
1439         $plugins = array();
1440         $files = glob("addon/*/");
1441         if($files) {
1442                 foreach($files as $file) {
1443                         if(is_dir($file)) {
1444                                 list($tmp, $id)=array_map("trim", explode("/",$file));
1445                                 $info = get_plugin_info($id);
1446                                 $show_plugin = true;
1447
1448                                 // If the addon is unsupported, then only show it, when it is enabled
1449                                 if((strtolower($info["status"]) == "unsupported") AND !in_array($id,  $a->plugins))
1450                                         $show_plugin = false;
1451
1452                                 // Override the above szenario, when the admin really wants to see outdated stuff
1453                                 if(get_config("system", "show_unsupported_addons"))
1454                                         $show_plugin = true;
1455
1456                                 if($show_plugin)
1457                                         $plugins[] = array($id, (in_array($id,  $a->plugins)?"on":"off") , $info);
1458                         }
1459                 }
1460         }
1461
1462         $t = get_markup_template("admin_plugins.tpl");
1463         return replace_macros($t, array(
1464                 '$title' => t('Administration'),
1465                 '$page' => t('Plugins'),
1466                 '$submit' => t('Save Settings'),
1467                 '$reload' => t('Reload active plugins'),
1468                 '$baseurl' => $a->get_baseurl(true),
1469                 '$function' => 'plugins',
1470                 '$plugins' => $plugins,
1471                 '$pcount' => count($plugins), 
1472                 '$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'),
1473                 '$form_security_token' => get_form_security_token("admin_themes"),
1474         ));
1475 }
1476
1477 /**
1478  * @param array $themes
1479  * @param string $th
1480  * @param int $result
1481  */
1482 function toggle_theme(&$themes,$th,&$result) {
1483         for($x = 0; $x < count($themes); $x ++) {
1484                 if($themes[$x]['name'] === $th) {
1485                         if($themes[$x]['allowed']) {
1486                                 $themes[$x]['allowed'] = 0;
1487                                 $result = 0;
1488                         }
1489                         else {
1490                                 $themes[$x]['allowed'] = 1;
1491                                 $result = 1;
1492                         }
1493                 }
1494         }
1495 }
1496
1497 /**
1498  * @param array $themes
1499  * @param string $th
1500  * @return int
1501  */
1502 function theme_status($themes,$th) {
1503         for($x = 0; $x < count($themes); $x ++) {
1504                 if($themes[$x]['name'] === $th) {
1505                         if($themes[$x]['allowed']) {
1506                                 return 1;
1507                         }
1508                         else {
1509                                 return 0;
1510                         }
1511                 }
1512         }
1513         return 0;
1514 }
1515
1516
1517 /**
1518  * @param array $themes
1519  * @return string
1520  */
1521 function rebuild_theme_table($themes) {
1522         $o = '';
1523         if(count($themes)) {
1524                 foreach($themes as $th) {
1525                         if($th['allowed']) {
1526                                 if(strlen($o))
1527                                         $o .= ',';
1528                                 $o .= $th['name'];
1529                         }
1530                 }
1531         }
1532         return $o;
1533 }
1534
1535
1536 /**
1537  * @brief Themes admin page
1538  *
1539  * This function generates the admin panel page to control the themes available
1540  * on the friendica node. If the name of a theme is given as parameter a page
1541  * with the details for the theme is shown. Otherwise a list of available
1542  * themes is generated.
1543  *
1544  * The template used for displaying the list of themes and the details of the
1545  * themes are the same as used for the plugins.
1546  *
1547  * The returned string contains the HTML code of the admin panel page.
1548  *
1549  * @param App $a
1550  * @return string
1551  */
1552 function admin_page_themes(&$a){
1553
1554         $allowed_themes_str = get_config('system','allowed_themes');
1555         $allowed_themes_raw = explode(',',$allowed_themes_str);
1556         $allowed_themes = array();
1557         if(count($allowed_themes_raw))
1558                 foreach($allowed_themes_raw as $x)
1559                         if(strlen(trim($x)))
1560                                 $allowed_themes[] = trim($x);
1561
1562         $themes = array();
1563         $files = glob('view/theme/*');
1564         if($files) {
1565                 foreach($files as $file) {
1566                         $f = basename($file);
1567                         $is_experimental = intval(file_exists($file . '/experimental'));
1568                         $is_supported = 1-(intval(file_exists($file . '/unsupported')));
1569                         $is_allowed = intval(in_array($f,$allowed_themes));
1570
1571                         if($is_allowed OR $is_supported OR get_config("system", "show_unsupported_themes"))
1572                                 $themes[] = array('name' => $f, 'experimental' => $is_experimental, 'supported' => $is_supported, 'allowed' => $is_allowed);
1573                 }
1574         }
1575
1576         if(! count($themes)) {
1577                 notice( t('No themes found.'));
1578                 return '';
1579         }
1580
1581         /*
1582          * Single theme
1583          */
1584
1585         if($a->argc == 3) {
1586                 $theme = $a->argv[2];
1587                 if(! is_dir("view/theme/$theme")) {
1588                         notice( t("Item not found.") );
1589                         return '';
1590                 }
1591
1592                 if(x($_GET,"a") && $_GET['a']=="t") {
1593                         check_form_security_token_redirectOnErr('/admin/themes', 'admin_themes', 't');
1594
1595                         // Toggle theme status
1596
1597                         toggle_theme($themes,$theme,$result);
1598                         $s = rebuild_theme_table($themes);
1599                         if($result) {
1600                                 install_theme($theme);
1601                                 info( sprintf('Theme %s enabled.',$theme));
1602                         }
1603                         else {
1604                                 uninstall_theme($theme);
1605                                 info( sprintf('Theme %s disabled.',$theme));
1606                         }
1607
1608                         set_config('system','allowed_themes',$s);
1609                         goaway($a->get_baseurl(true) . '/admin/themes' );
1610                         return ''; // NOTREACHED
1611                 }
1612
1613                 // display theme details
1614                 require_once('library/markdown.php');
1615
1616                 if(theme_status($themes,$theme)) {
1617                         $status="on"; $action= t("Disable");
1618                 } else {
1619                         $status="off"; $action= t("Enable");
1620                 }
1621
1622                 $readme=Null;
1623                 if(is_file("view/theme/$theme/README.md")) {
1624                         $readme = file_get_contents("view/theme/$theme/README.md");
1625                         $readme = Markdown($readme);
1626                 } elseif(is_file("view/theme/$theme/README")) {
1627                         $readme = "<pre>". file_get_contents("view/theme/$theme/README") ."</pre>";
1628                 }
1629
1630                 $admin_form="";
1631                 if(is_file("view/theme/$theme/config.php")) {
1632                         function __get_theme_admin_form(&$a, $theme) {
1633                                 $orig_theme = $a->theme;
1634                                 $orig_page = $a->page;
1635                                 $orig_session_theme = $_SESSION['theme'];
1636                                 require_once("view/theme/$theme/theme.php");
1637                                 require_once("view/theme/$theme/config.php");
1638                                 $_SESSION['theme'] = $theme;
1639
1640
1641                                 $init = $theme."_init";
1642                                 if(function_exists($init)) $init($a);
1643                                 if(function_exists("theme_admin")) {
1644                                         $admin_form = theme_admin($a);
1645                                 }
1646
1647                                 $_SESSION['theme'] = $orig_session_theme;
1648                                 $a->theme = $orig_theme;
1649                                 $a->page = $orig_page;
1650                                 return $admin_form;
1651                         }
1652                         $admin_form = __get_theme_admin_form($a, $theme);
1653                 }
1654
1655                 $screenshot = array( get_theme_screenshot($theme), t('Screenshot'));
1656                 if(! stristr($screenshot[0],$theme))
1657                         $screenshot = null;
1658
1659
1660                 $t = get_markup_template("admin_plugins_details.tpl");
1661                 return replace_macros($t, array(
1662                         '$title' => t('Administration'),
1663                         '$page' => t('Themes'),
1664                         '$toggle' => t('Toggle'),
1665                         '$settings' => t('Settings'),
1666                         '$baseurl' => $a->get_baseurl(true),
1667                         '$plugin' => $theme,
1668                         '$status' => $status,
1669                         '$action' => $action,
1670                         '$info' => get_theme_info($theme),
1671                         '$function' => 'themes',
1672                         '$admin_form' => $admin_form,
1673                         '$str_author' => t('Author: '),
1674                         '$str_maintainer' => t('Maintainer: '),
1675                         '$screenshot' => $screenshot,
1676                         '$readme' => $readme,
1677
1678                         '$form_security_token' => get_form_security_token("admin_themes"),
1679                 ));
1680         }
1681
1682
1683         // reload active themes
1684         if(x($_GET,"a") && $_GET['a']=="r") {
1685                 check_form_security_token_redirectOnErr($a->get_baseurl().'/admin/themes', 'admin_themes', 't');
1686                 if($themes) {
1687                         foreach($themes as $th) {
1688                                 if($th['allowed']) {
1689                                         uninstall_theme($th['name']);
1690                                         install_theme($th['name']);
1691                                 }
1692                         }
1693                 }
1694                 info("Themes reloaded");
1695                 goaway($a->get_baseurl().'/admin/themes');
1696         }
1697
1698         /*
1699          * List themes
1700          */
1701
1702         $xthemes = array();
1703         if($themes) {
1704                 foreach($themes as $th) {
1705                         $xthemes[] = array($th['name'],(($th['allowed']) ? "on" : "off"), get_theme_info($th['name']));
1706                 }
1707         }
1708
1709
1710         $t = get_markup_template("admin_plugins.tpl");
1711         return replace_macros($t, array(
1712                 '$title' => t('Administration'),
1713                 '$page' => t('Themes'),
1714                 '$submit' => t('Save Settings'),
1715                 '$reload' => t('Reload active themes'),
1716                 '$baseurl' => $a->get_baseurl(true),
1717                 '$function' => 'themes',
1718                 '$plugins' => $xthemes,
1719                 '$pcount' => count($themes),
1720                 '$noplugshint' => sprintf(t('No themes found on the system. They should be paced in %1$s'),'<code>/view/themes</code>'),
1721                 '$experimental' => t('[Experimental]'),
1722                 '$unsupported' => t('[Unsupported]'),
1723                 '$form_security_token' => get_form_security_token("admin_themes"),
1724         ));
1725 }
1726
1727
1728 /**
1729  * @brief Prosesses data send by Logs admin page
1730  * 
1731  * @param App $a
1732  */
1733 function admin_page_logs_post(&$a) {
1734         if(x($_POST,"page_logs")) {
1735                 check_form_security_token_redirectOnErr('/admin/logs', 'admin_logs');
1736
1737                 $logfile        =       ((x($_POST,'logfile'))          ? notags(trim($_POST['logfile']))       : '');
1738                 $debugging      =       ((x($_POST,'debugging'))        ? true                                  : false);
1739                 $loglevel       =       ((x($_POST,'loglevel'))         ? intval(trim($_POST['loglevel']))      : 0);
1740
1741                 set_config('system','logfile', $logfile);
1742                 set_config('system','debugging',  $debugging);
1743                 set_config('system','loglevel', $loglevel);
1744         }
1745
1746         info( t("Log settings updated.") );
1747         goaway($a->get_baseurl(true) . '/admin/logs' );
1748         return; // NOTREACHED
1749 }
1750
1751 /**
1752  * @brief Generates admin panel subpage for configuration of the logs
1753  *
1754  * This function take the view/templates/admin_logs.tpl file and generates a
1755  * page where admin can configure the logging of friendica.
1756  *
1757  * Displaying the log is separated from the log config as the logfile can get
1758  * big depending on the settings and changing settings regarding the logs can
1759  * thus waste bandwidth.
1760  *
1761  * The string returned contains the content of the template file with replaced
1762  * macros.
1763  *
1764  * @param App $a
1765  * @return string
1766  */
1767 function admin_page_logs(&$a){
1768
1769         $log_choices = array(
1770                 LOGGER_NORMAL => 'Normal',
1771                 LOGGER_TRACE => 'Trace',
1772                 LOGGER_DEBUG => 'Debug',
1773                 LOGGER_DATA => 'Data',
1774                 LOGGER_ALL => 'All'
1775         );
1776
1777         $t = get_markup_template("admin_logs.tpl");
1778
1779         return replace_macros($t, array(
1780                 '$title' => t('Administration'),
1781                 '$page' => t('Logs'),
1782                 '$submit' => t('Save Settings'),
1783                 '$clear' => t('Clear'),
1784                 '$baseurl' => $a->get_baseurl(true),
1785                 '$logname' =>  get_config('system','logfile'),
1786
1787                 // name, label, value, help string, extra data...
1788                 '$debugging' => array('debugging', t("Enable Debugging"),get_config('system','debugging'), ""),
1789                 '$logfile' => array('logfile', t("Log file"), get_config('system','logfile'), t("Must be writable by web server. Relative to your Friendica top-level directory.")),
1790                 '$loglevel' => array('loglevel', t("Log level"), get_config('system','loglevel'), "", $log_choices),
1791
1792                 '$form_security_token' => get_form_security_token("admin_logs"),
1793                 '$phpheader' => t("PHP logging"),
1794                 '$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."),
1795                 '$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');",
1796         ));
1797 }
1798
1799 /**
1800  * @brief Generates admin panel subpage to view the Friendica log
1801  *
1802  * This function loads the template view/templates/admin_viewlogs.tpl to
1803  * display the systemlog content. The filename for the systemlog of friendica
1804  * is relative to the base directory and taken from the config entry 'logfile'
1805  * in the 'system' category.
1806  *
1807  * Displaying the log is separated from the log config as the logfile can get
1808  * big depending on the settings and changing settings regarding the logs can
1809  * thus waste bandwidth.
1810  *
1811  * The string returned contains the content of the template file with replaced
1812  * macros.
1813  *
1814  * @param App $a
1815  * @return string
1816  */
1817 function admin_page_viewlogs(&$a){
1818         $t = get_markup_template("admin_viewlogs.tpl");
1819         $f = get_config('system','logfile');
1820         $data = '';
1821
1822         if(!file_exists($f)) {
1823                 $data = t("Error trying to open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f exist and is readable.");
1824         }
1825         else {
1826                 $fp = fopen($f, 'r');
1827                 if(!$fp) {
1828                         $data = t("Couldn't open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f is readable.");
1829                 }
1830                 else {
1831                         $fstat = fstat($fp);
1832                         $size = $fstat['size'];
1833                         if($size != 0) {
1834                                 if($size > 5000000 || $size < 0)
1835                                         $size = 5000000;
1836                                 $seek = fseek($fp,0-$size,SEEK_END);
1837                                 if($seek === 0) {
1838                                         $data = escape_tags(fread($fp,$size));
1839                                         while(! feof($fp))
1840                                                 $data .= escape_tags(fread($fp,4096));
1841                                 }
1842                         }
1843                         fclose($fp);
1844                 }
1845         }
1846         return replace_macros($t, array(
1847                 '$title' => t('Administration'),
1848                 '$page' => t('View Logs'),
1849                 '$data' => $data,
1850                 '$logname' =>  get_config('system','logfile')
1851         ));
1852 }
1853
1854 /**
1855  * @brief Prosesses data send by the features admin page
1856  * 
1857  * @param App $a
1858  */
1859 function admin_page_features_post(&$a) {
1860
1861         check_form_security_token_redirectOnErr('/admin/features', 'admin_manage_features');
1862
1863         logger('postvars: ' . print_r($_POST,true),LOGGER_DATA);
1864
1865         $arr = array();
1866         $features = get_features(false);
1867
1868         foreach($features as $fname => $fdata) {
1869                 foreach(array_slice($fdata,1) as $f) {
1870                         $feature = $f[0];
1871                         $feature_state = 'feature_' . $feature;
1872                         $featurelock = 'featurelock_' . $feature;
1873
1874                         if(x($_POST[$feature_state]))
1875                                 $val = intval($_POST['feature_' . $feature]);
1876                         else
1877                                 $val = 0;
1878                         set_config('feature',$feature,$val);
1879
1880                         if(x($_POST[$featurelock]))
1881                                 set_config('feature_lock',$feature,$val);
1882                         else
1883                                 del_config('feature_lock',$feature);
1884                 }
1885         }
1886
1887         goaway($a->get_baseurl(true) . '/admin/features' );
1888         return; // NOTREACHED
1889 }
1890
1891 /**
1892  * @brief Subpage for global additional feature management
1893  * 
1894  * This functin generates the subpage 'Manage Additional Features'
1895  * for the admin panel. At this page the admin can set preferences
1896  * for the user settings of the 'additional features'. If needed this 
1897  * preferences can be locked through the admin.
1898  * 
1899  * The returned string contains the HTML code of the subpage 'Manage
1900  * Additional Features'
1901  * 
1902  * @param App $a
1903  * @return string
1904  */
1905 function admin_page_features(&$a) {
1906         
1907         if((argc() > 1) && (argv(1) === 'features')) {
1908                 $arr = array();
1909                 $features = get_features(false);
1910
1911                 foreach($features as $fname => $fdata) {
1912                         $arr[$fname] = array();
1913                         $arr[$fname][0] = $fdata[0];
1914                         foreach(array_slice($fdata,1) as $f) {
1915
1916                                 $set = get_config('feature',$f[0]);
1917                                 if($set === false)
1918                                         $set = $f[3];
1919                                 $arr[$fname][1][] = array(
1920                                         array('feature_' .$f[0],$f[1],$set,$f[2],array(t('Off'),t('On'))),
1921                                         array('featurelock_' .$f[0],sprintf( t('Lock feature %s'),$f[1]),(($f[4] !== false) ? "1" : ''),'',array(t('Off'),t('On')))
1922                                 );
1923                         }
1924                 }
1925                 
1926                 $tpl = get_markup_template("admin_settings_features.tpl");
1927                 $o .= replace_macros($tpl, array(
1928                         '$form_security_token' => get_form_security_token("admin_manage_features"),
1929                         '$title' => t('Manage Additional Features'),
1930                         '$features' => $arr,
1931                         '$submit' => t('Save Settings'),
1932                 ));
1933
1934                 return $o;
1935         }
1936 }