]> git.mxchange.org Git - friendica.git/blob - mod/admin.php
Bugfixing after adding timestamps
[friendica.git] / mod / admin.php
1 <?php
2
3  /**
4   * Friendica admin
5   */
6 require_once("include/remoteupdate.php");
7
8
9 /**
10  * @param App $a
11  */
12 function admin_post(&$a){
13
14
15         if(!is_site_admin()) {
16                 return;
17         }
18
19         // do not allow a page manager to access the admin panel at all.
20
21         if(x($_SESSION,'submanage') && intval($_SESSION['submanage']))
22                 return;
23
24
25
26         // urls
27         if ($a->argc > 1){
28                 switch ($a->argv[1]){
29                         case 'site':
30                                 admin_page_site_post($a);
31                                 break;
32                         case 'users':
33                                 admin_page_users_post($a);
34                                 break;
35                         case 'plugins':
36                                 if ($a->argc > 2 && 
37                                         is_file("addon/".$a->argv[2]."/".$a->argv[2].".php")){
38                                                 @include_once("addon/".$a->argv[2]."/".$a->argv[2].".php");
39                                                 if(function_exists($a->argv[2].'_plugin_admin_post')) {
40                                                         $func = $a->argv[2].'_plugin_admin_post';
41                                                         $func($a);
42                                                 }
43                                 }
44                                 goaway($a->get_baseurl(true) . '/admin/plugins/' . $a->argv[2] );
45                                 return; // NOTREACHED
46                                 break;
47                         case 'themes':
48                                 $theme = $a->argv[2];
49                                 if (is_file("view/theme/$theme/config.php")){
50                                         require_once("view/theme/$theme/config.php");
51                                         if (function_exists("theme_admin_post")){
52                                                 theme_admin_post($a);
53                                         }
54                                 }
55                                 info(t('Theme settings updated.'));
56                                 if(is_ajax()) return;
57
58                                 goaway($a->get_baseurl(true) . '/admin/themes/' . $theme );
59                                 return;
60                                 break;
61                         case 'logs':
62                                 admin_page_logs_post($a);
63                                 break;
64                         case 'dbsync':
65                                 admin_page_dbsync_post($a);
66                                 break;
67                         case 'update':
68                                 admin_page_remoteupdate_post($a);
69                                 break;
70                 }
71         }
72
73         goaway($a->get_baseurl(true) . '/admin' );
74         return; // NOTREACHED   
75 }
76
77 /**
78  * @param App $a
79  * @return string
80  */
81 function admin_content(&$a) {
82
83         if(!is_site_admin()) {
84                 return login(false);
85         }
86
87         if(x($_SESSION,'submanage') && intval($_SESSION['submanage']))
88                 return "";
89
90         /**
91          * Side bar links
92          */
93
94         // array( url, name, extra css classes )
95         $aside = Array(
96                 'site'   =>     Array($a->get_baseurl(true)."/admin/site/", t("Site") , "site"),
97                 'users'  =>     Array($a->get_baseurl(true)."/admin/users/", t("Users") , "users"),
98                 'plugins'=>     Array($a->get_baseurl(true)."/admin/plugins/", t("Plugins") , "plugins"),
99                 'themes' =>     Array($a->get_baseurl(true)."/admin/themes/", t("Themes") , "themes"),
100                 'dbsync' => Array($a->get_baseurl(true)."/admin/dbsync/", t('DB updates'), "dbsync"),
101                 //'update' =>   Array($a->get_baseurl(true)."/admin/update/", t("Software Update") , "update")
102         );
103
104         /* get plugins admin page */
105
106         $r = q("SELECT * FROM `addon` WHERE `plugin_admin`=1");
107         $aside['plugins_admin']=Array();
108         foreach ($r as $h){
109                 $plugin =$h['name'];
110                 $aside['plugins_admin'][] = Array($a->get_baseurl(true)."/admin/plugins/".$plugin, $plugin, "plugin");
111                 // temp plugins with admin
112                 $a->plugins_admin[] = $plugin;
113         }
114
115         $aside['logs'] = Array($a->get_baseurl(true)."/admin/logs/", t("Logs"), "logs");
116
117         $t = get_markup_template("admin_aside.tpl");
118         $a->page['aside'] .= replace_macros( $t, array(
119                         '$admin' => $aside, 
120                         '$admtxt' => t('Admin'),
121                         '$plugadmtxt' => t('Plugin Features'),
122                         '$logtxt' => t('Logs'),
123                         '$h_pending' => t('User registrations waiting for confirmation'),
124                         '$admurl'=> $a->get_baseurl(true)."/admin/"
125         ));
126
127
128
129         /**
130          * Page content
131          */
132         $o = '';
133         // urls
134         if ($a->argc > 1){
135                 switch ($a->argv[1]){
136                         case 'site':
137                                 $o = admin_page_site($a);
138                                 break;
139                         case 'users':
140                                 $o = admin_page_users($a);
141                                 break;
142                         case 'plugins':
143                                 $o = admin_page_plugins($a);
144                                 break;
145                         case 'themes':
146                                 $o = admin_page_themes($a);
147                                 break;
148                         case 'logs':
149                                 $o = admin_page_logs($a);
150                                 break;
151                         case 'dbsync':
152                                 $o = admin_page_dbsync($a);
153                                 break;
154                         case 'update':
155                                 $o = admin_page_remoteupdate($a);
156                                 break;
157                         default:
158                                 notice( t("Item not found.") );
159                 }
160         } else {
161                 $o = admin_page_summary($a);
162         }
163
164         if(is_ajax()) {
165                 echo $o; 
166                 killme();
167                 return '';
168         } else {
169                 return $o;
170         }
171
172
173
174 /**
175  * Admin Summary Page
176  * @param App $a
177  * @return string
178  */
179 function admin_page_summary(&$a) {
180         $r = q("SELECT `page-flags`, COUNT(uid) as `count` FROM `user` GROUP BY `page-flags`");
181         $accounts = Array(
182                 Array( t('Normal Account'), 0),
183                 Array( t('Soapbox Account'), 0),
184                 Array( t('Community/Celebrity Account'), 0),
185                 Array( t('Automatic Friend Account'), 0),
186                 Array( t('Blog Account'), 0),
187                 Array( t('Private Forum'), 0)
188         );
189
190         $users=0;
191         foreach ($r as $u){ $accounts[$u['page-flags']][1] = $u['count']; $users+= $u['count']; }
192
193         logger('accounts: ' . print_r($accounts,true),LOGGER_DATA);
194
195         $r = q("SELECT COUNT(id) as `count` FROM `register`");
196         $pending = $r[0]['count'];
197                 
198         $r = q("select count(*) as total from deliverq where 1");
199         $deliverq = (($r) ? $r[0]['total'] : 0);
200
201         $r = q("select count(*) as total from queue where 1");
202         $queue = (($r) ? $r[0]['total'] : 0);
203
204         // We can do better, but this is a quick queue status
205
206         $queues = array( 'label' => t('Message queues'), 'deliverq' => $deliverq, 'queue' => $queue );
207
208
209         $t = get_markup_template("admin_summary.tpl");
210         return replace_macros($t, array(
211                 '$title' => t('Administration'),
212                 '$page' => t('Summary'),
213                 '$queues' => $queues,
214                 '$users' => Array( t('Registered users'), $users),
215                 '$accounts' => $accounts,
216                 '$pending' => Array( t('Pending registrations'), $pending),
217                 '$version' => Array( t('Version'), FRIENDICA_VERSION),
218                 '$build' =>  get_config('system','build'),
219                 '$plugins' => Array( t('Active plugins'), $a->plugins )
220         ));
221 }
222
223
224 /**
225  * Admin Site Page
226  *  @param App $a
227  */
228 function admin_page_site_post(&$a){
229         if (!x($_POST,"page_site")){
230                 return;
231         }
232
233         check_form_security_token_redirectOnErr('/admin/site', 'admin_site');
234
235         $sitename               =       ((x($_POST,'sitename'))                 ? notags(trim($_POST['sitename']))              : '');
236         $banner                 =       ((x($_POST,'banner'))                   ? trim($_POST['banner'])                        : false);
237         $language               =       ((x($_POST,'language'))                 ? notags(trim($_POST['language']))              : '');
238         $theme                  =       ((x($_POST,'theme'))                    ? notags(trim($_POST['theme']))                 : '');
239         $theme_mobile           =       ((x($_POST,'theme_mobile'))             ? notags(trim($_POST['theme_mobile']))          : '');
240         $maximagesize           =       ((x($_POST,'maximagesize'))             ? intval(trim($_POST['maximagesize']))          :  0);
241         $maximagelength         =       ((x($_POST,'maximagelength'))           ? intval(trim($_POST['maximagelength']))        :  MAX_IMAGE_LENGTH);
242         $jpegimagequality       =       ((x($_POST,'jpegimagequality'))         ? intval(trim($_POST['jpegimagequality']))      :  JPEG_QUALITY);
243
244
245         $register_policy        =       ((x($_POST,'register_policy'))          ? intval(trim($_POST['register_policy']))       :  0);
246         $daily_registrations    =       ((x($_POST,'max_daily_registrations'))  ? intval(trim($_POST['max_daily_registrations']))       :0);
247         $abandon_days           =       ((x($_POST,'abandon_days'))             ? intval(trim($_POST['abandon_days']))          :  0);
248
249         $register_text          =       ((x($_POST,'register_text'))            ? notags(trim($_POST['register_text']))         : '');
250
251         $allowed_sites          =       ((x($_POST,'allowed_sites'))            ? notags(trim($_POST['allowed_sites']))         : '');
252         $allowed_email          =       ((x($_POST,'allowed_email'))            ? notags(trim($_POST['allowed_email']))         : '');
253         $block_public           =       ((x($_POST,'block_public'))             ? True                                          : False);
254         $force_publish          =       ((x($_POST,'publish_all'))              ? True                                          : False);
255         $global_directory       =       ((x($_POST,'directory_submit_url'))     ? notags(trim($_POST['directory_submit_url']))  : '');
256         $thread_allow           =       ((x($_POST,'thread_allow'))             ? True                                          : False);
257         $newuser_private                =       ((x($_POST,'newuser_private'))          ? True                                          : False);
258         $no_multi_reg           =       ((x($_POST,'no_multi_reg'))             ? True                                          : False);
259         $no_openid              =       !((x($_POST,'no_openid'))               ? True                                          : False);
260         $no_regfullname         =       !((x($_POST,'no_regfullname'))          ? True                                          : False);
261         $no_utf                 =       !((x($_POST,'no_utf'))                  ? True                                          : False);
262         $no_community_page      =       !((x($_POST,'no_community_page'))       ? True                                          : False);
263
264         $verifyssl              =       ((x($_POST,'verifyssl'))                ? True                                          : False);
265         $proxyuser              =       ((x($_POST,'proxyuser'))                ? notags(trim($_POST['proxyuser']))             : '');
266         $proxy                  =       ((x($_POST,'proxy'))                    ? notags(trim($_POST['proxy']))                 : '');
267         $timeout                =       ((x($_POST,'timeout'))                  ? intval(trim($_POST['timeout']))               : 60);
268         $delivery_interval      =       ((x($_POST,'delivery_interval'))        ? intval(trim($_POST['delivery_interval']))     : 0);
269         $poll_interval          =       ((x($_POST,'poll_interval'))            ? intval(trim($_POST['poll_interval']))         : 0);
270         $maxloadavg             =       ((x($_POST,'maxloadavg'))               ? intval(trim($_POST['maxloadavg']))            : 50);
271         $dfrn_only              =       ((x($_POST,'dfrn_only'))                ? True                                          : False);
272         $ostatus_disabled       =       !((x($_POST,'ostatus_disabled'))        ? True                                          : False);
273         $diaspora_enabled       =       ((x($_POST,'diaspora_enabled'))         ? True                                          : False);
274         $ssl_policy             =       ((x($_POST,'ssl_policy'))               ? intval($_POST['ssl_policy'])                  : 0);
275         $new_share              =       ((x($_POST,'new_share'))                ? True                                          : False);
276         $use_fulltext_engine    =       ((x($_POST,'use_fulltext_engine'))      ? True                                          : False);
277         $itemcache              =       ((x($_POST,'itemcache'))                ? notags(trim($_POST['itemcache']))             : '');
278         $itemcache_duration     =       ((x($_POST,'itemcache_duration'))       ? intval($_POST['itemcache_duration'])          : 0);
279         $lockpath               =       ((x($_POST,'lockpath'))                 ? notags(trim($_POST['lockpath']))              : '');
280         $temppath               =       ((x($_POST,'temppath'))                 ? notags(trim($_POST['temppath']))              : '');
281         $basepath               =       ((x($_POST,'basepath'))                 ? notags(trim($_POST['basepath']))              : '');
282
283         if($ssl_policy != intval(get_config('system','ssl_policy'))) {
284                 if($ssl_policy == SSL_POLICY_FULL) {
285                         q("update `contact` set 
286                                 `url`     = replace(`url`    , 'http:' , 'https:'),
287                                 `photo`   = replace(`photo`  , 'http:' , 'https:'),
288                                 `thumb`   = replace(`thumb`  , 'http:' , 'https:'),
289                                 `micro`   = replace(`micro`  , 'http:' , 'https:'),
290                                 `request` = replace(`request`, 'http:' , 'https:'),
291                                 `notify`  = replace(`notify` , 'http:' , 'https:'),
292                                 `poll`    = replace(`poll`   , 'http:' , 'https:'),
293                                 `confirm` = replace(`confirm`, 'http:' , 'https:'),
294                                 `poco`    = replace(`poco`   , 'http:' , 'https:')
295                                 where `self` = 1"
296                         );
297                         q("update `profile` set 
298                                 `photo`   = replace(`photo`  , 'http:' , 'https:'),
299                                 `thumb`   = replace(`thumb`  , 'http:' , 'https:')
300                                 where 1 "
301                         );
302                 }
303                 elseif($ssl_policy == SSL_POLICY_SELFSIGN) {
304                         q("update `contact` set 
305                                 `url`     = replace(`url`    , 'https:' , 'http:'),
306                                 `photo`   = replace(`photo`  , 'https:' , 'http:'),
307                                 `thumb`   = replace(`thumb`  , 'https:' , 'http:'),
308                                 `micro`   = replace(`micro`  , 'https:' , 'http:'),
309                                 `request` = replace(`request`, 'https:' , 'http:'),
310                                 `notify`  = replace(`notify` , 'https:' , 'http:'),
311                                 `poll`    = replace(`poll`   , 'https:' , 'http:'),
312                                 `confirm` = replace(`confirm`, 'https:' , 'http:'),
313                                 `poco`    = replace(`poco`   , 'https:' , 'http:')
314                                 where `self` = 1"
315                         );
316                         q("update `profile` set 
317                                 `photo`   = replace(`photo`  , 'https:' , 'http:'),
318                                 `thumb`   = replace(`thumb`  , 'https:' , 'http:')
319                                 where 1 "
320                         );
321                 }
322         }
323         set_config('system','ssl_policy',$ssl_policy);
324         set_config('system','delivery_interval',$delivery_interval);
325         set_config('system','poll_interval',$poll_interval);
326         set_config('system','maxloadavg',$maxloadavg);
327         set_config('config','sitename',$sitename);
328         if ($banner==""){
329                 // don't know why, but del_config doesn't work...
330                 q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
331                         dbesc("system"),
332                         dbesc("banner")
333                 );
334         } else {
335                 set_config('system','banner', $banner);
336         }
337         set_config('system','language', $language);
338         set_config('system','theme', $theme);
339         if ( $theme_mobile === '---' ) {
340                 del_config('system','mobile-theme');
341         } else {
342                 set_config('system','mobile-theme', $theme_mobile);
343         }
344         set_config('system','maximagesize', $maximagesize);
345         set_config('system','max_image_length', $maximagelength);
346         set_config('system','jpeg_quality', $jpegimagequality);
347         
348         set_config('config','register_policy', $register_policy);
349         set_config('system','max_daily_registrations', $daily_registrations);
350         set_config('system','account_abandon_days', $abandon_days);
351         set_config('config','register_text', $register_text);
352         set_config('system','allowed_sites', $allowed_sites);
353         set_config('system','allowed_email', $allowed_email);
354         set_config('system','block_public', $block_public);
355         set_config('system','publish_all', $force_publish);
356         if ($global_directory==""){
357                 // don't know why, but del_config doesn't work...
358                 q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
359                         dbesc("system"),
360                         dbesc("directory_submit_url")
361                 );
362         } else {
363                 set_config('system','directory_submit_url', $global_directory);
364         }
365         set_config('system','thread_allow', $thread_allow);
366         set_config('system','newuser_private', $newuser_private);
367
368         set_config('system','block_extended_register', $no_multi_reg);
369         set_config('system','no_openid', $no_openid);
370         set_config('system','no_regfullname', $no_regfullname);
371         set_config('system','no_community_page', $no_community_page);
372         set_config('system','no_utf', $no_utf);
373         set_config('system','verifyssl', $verifyssl);
374         set_config('system','proxyuser', $proxyuser);
375         set_config('system','proxy', $proxy);
376         set_config('system','curl_timeout', $timeout);
377         set_config('system','dfrn_only', $dfrn_only);
378         set_config('system','ostatus_disabled', $ostatus_disabled);
379         set_config('system','diaspora_enabled', $diaspora_enabled);
380
381         set_config('system','new_share', $new_share);
382         set_config('system','use_fulltext_engine', $use_fulltext_engine);
383         set_config('system','itemcache', $itemcache);
384         set_config('system','itemcache_duration', $itemcache_duration);
385         set_config('system','lockpath', $lockpath);
386         set_config('system','temppath', $temppath);
387         set_config('system','basepath', $basepath);
388
389
390         info( t('Site settings updated.') . EOL);
391         goaway($a->get_baseurl(true) . '/admin/site' );
392         return; // NOTREACHED
393
394 }
395
396 /**
397  * @param  App $a
398  * @return string
399  */
400 function admin_page_site(&$a) {
401         
402         /* Installed langs */
403         $lang_choices = array();
404         $langs = glob('view/*/strings.php');
405         
406         if(is_array($langs) && count($langs)) {
407                 if(! in_array('view/en/strings.php',$langs))
408                         $langs[] = 'view/en/';
409                 asort($langs);
410                 foreach($langs as $l) {
411                         $t = explode("/",$l);
412                         $lang_choices[$t[1]] = $t[1];
413                 }
414         }
415         
416         /* Installed themes */
417         $theme_choices = array();
418         $theme_choices_mobile = array();
419         $theme_choices_mobile["---"] = t("No special theme for mobile devices");
420         $files = glob('view/theme/*');
421         if($files) {
422                 foreach($files as $file) {
423                         $f = basename($file);
424                         $theme_name = ((file_exists($file . '/experimental')) ?  sprintf("%s - \x28Experimental\x29", $f) : $f);
425             if (file_exists($file . '/mobile')) {
426                 $theme_choices_mobile[$f] = $theme_name;
427             }
428                         else {
429                 $theme_choices[$f] = $theme_name;
430                         }
431                 }
432         }
433
434
435         /* Banner */
436         $banner = get_config('system','banner');
437         if($banner == false) 
438                 $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>';
439         $banner = htmlspecialchars($banner);
440
441         //echo "<pre>"; var_dump($lang_choices); die("</pre>");
442
443         /* Register policy */
444         $register_choices = Array(
445                 REGISTER_CLOSED => t("Closed"),
446                 REGISTER_APPROVE => t("Requires approval"),
447                 REGISTER_OPEN => t("Open")
448         ); 
449
450         $ssl_choices = array(
451                 SSL_POLICY_NONE => t("No SSL policy, links will track page SSL state"),
452                 SSL_POLICY_FULL => t("Force all links to use SSL"),
453                 SSL_POLICY_SELFSIGN => t("Self-signed certificate, use SSL for local links only (discouraged)")
454         );
455
456         $t = get_markup_template("admin_site.tpl");
457         return replace_macros($t, array(
458                 '$title' => t('Administration'),
459                 '$page' => t('Site'),
460                 '$submit' => t('Submit'),
461                 '$registration' => t('Registration'),
462                 '$upload' => t('File upload'),
463                 '$corporate' => t('Policies'),
464                 '$advanced' => t('Advanced'),
465                 '$performance' => t('Performance'),
466                 
467                 '$baseurl' => $a->get_baseurl(true),
468                 // name, label, value, help string, extra data...
469                 '$sitename'             => array('sitename', t("Site name"), htmlentities($a->config['sitename'], ENT_QUOTES), 'UTF-8'),
470                 '$banner'               => array('banner', t("Banner/Logo"), $banner, ""),
471                 '$language'             => array('language', t("System language"), get_config('system','language'), "", $lang_choices),
472                 '$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>"), $theme_choices),
473                 '$theme_mobile'         => array('theme_mobile', t("Mobile system theme"), get_config('system','mobile-theme'), t("Theme for mobile devices"), $theme_choices_mobile),
474                 '$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"), $ssl_choices),
475                 '$new_share'            => array('new_share', t("'Share' element"), get_config('system','new_share'), t("Activates the bbcode element 'share' for repeating items.")),
476                 '$maximagesize'         => array('maximagesize', t("Maximum image size"), get_config('system','maximagesize'), t("Maximum size in bytes of uploaded images. Default is 0, which means no limits.")),
477                 '$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.")),
478                 '$jpegimagequality'             => array('jpegimagequality', t("JPEG image quality"), get_config('system','jpeg_quality'), t("Uploaded JPEGS will be saved at this quality setting [0-100]. Default is 100, which is full quality.")),
479
480                 '$register_policy'      => array('register_policy', t("Register policy"), $a->config['register_policy'], "", $register_choices),
481                 '$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.")),
482                 '$register_text'        => array('register_text', t("Register text"), htmlentities($a->config['register_text'], ENT_QUOTES, 'UTF-8'), t("Will be displayed prominently on the registration page.")),
483                 '$abandon_days'         => array('abandon_days', t('Accounts abandoned after x days'), get_config('system','account_abandon_days'), t('Will not waste system resources polling external sites for abandonded accounts. Enter 0 for no time limit.')),
484                 '$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")),
485                 '$allowed_email'        => array('allowed_email', t("Allowed email domains"), get_config('system','allowed_email'), t("Comma separated list of domains which are allowed in email addresses for registrations to this site. Wildcards are accepted. Empty to allow any domains")),
486                 '$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.")),
487                 '$force_publish'        => array('publish_all', t("Force publish"), get_config('system','publish_all'), t("Check to force all profiles on this site to be listed in the site directory.")),
488                 '$global_directory'     => array('directory_submit_url', t("Global directory update URL"), get_config('system','directory_submit_url'), t("URL to update the global directory. If this is not set, the global directory is completely unavailable to the application.")),
489                 '$thread_allow'         => array('thread_allow', t("Allow threaded items"), get_config('system','thread_allow'), t("Allow infinite level threading for items on this site.")),
490                 '$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.")),
491
492                 '$no_multi_reg'         => array('no_multi_reg', t("Block multiple registrations"),  get_config('system','block_extended_register'), t("Disallow users to register additional accounts for use as pages.")),
493                 '$no_openid'            => array('no_openid', t("OpenID support"), !get_config('system','no_openid'), t("OpenID support for registration and logins.")),
494                 '$no_regfullname'       => array('no_regfullname', t("Fullname check"), !get_config('system','no_regfullname'), t("Force users to register with a space between firstname and lastname in Full name, as an antispam measure")),
495                 '$no_utf'               => array('no_utf', t("UTF-8 Regular expressions"), !get_config('system','no_utf'), t("Use PHP UTF8 regular expressions")),
496                 '$no_community_page'    => array('no_community_page', t("Show Community Page"), !get_config('system','no_community_page'), t("Display a Community page showing all recent public postings on this site.")),
497                 '$ostatus_disabled'     => array('ostatus_disabled', t("Enable OStatus support"), !get_config('system','ostatus_disabled'), t("Provide built-in OStatus \x28identi.ca, status.net, etc.\x29 compatibility. All communications in OStatus are public, so privacy warnings will be occasionally displayed.")),    
498                 '$diaspora_enabled'     => array('diaspora_enabled', t("Enable Diaspora support"), get_config('system','diaspora_enabled'), t("Provide built-in Diaspora network compatibility.")),     
499                 '$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.")),
500                 '$verifyssl'            => array('verifyssl', t("Verify SSL"), get_config('system','verifyssl'), t("If you wish, you can turn on strict certificate checking. This will mean you cannot connect (at all) to self-signed SSL sites.")),
501                 '$proxyuser'            => array('proxyuser', t("Proxy user"), get_config('system','proxyuser'), ""),
502                 '$proxy'                => array('proxy', t("Proxy URL"), get_config('system','proxy'), ""),
503                 '$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).")),
504                 '$delivery_interval'    => array('delivery_interval', t("Delivery interval"), (x(get_config('system','delivery_interval'))?get_config('system','delivery_interval'):2), t("Delay background delivery processes by this many seconds to reduce system load. Recommend: 4-5 for shared hosts, 2-3 for virtual private servers. 0-1 for large dedicated servers.")),
505                 '$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.")),
506                 '$maxloadavg'           => array('maxloadavg', t("Maximum Load Average"), ((intval(get_config('system','maxloadavg')) > 0)?get_config('system','maxloadavg'):50), t("Maximum system load before delivery and poll processes are deferred - default 50.")),
507
508                 '$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.")),
509                 '$itemcache'            => array('itemcache', t("Path to item cache"), get_config('system','itemcache'), "The item caches buffers generated bbcode and external images."),
510                 '$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).")),
511                 '$lockpath'             => array('lockpath', t("Path for lock file"), get_config('system','lockpath'), "The lock file is used to avoid multiple pollers at one time. Only define a folder here."),
512                 '$temppath'             => array('temppath', t("Temp path"), get_config('system','temppath'), "If you have a restricted system where the webserver can't access the system temp path, enter another path here."),
513                 '$basepath'             => array('basepath', t("Base path to installation"), get_config('system','basepath'), "If the system cannot detect the correct path to your installation, enter the correct path here. This setting should only be set if you are using a restricted system and symbolic links to your webroot."),
514
515         '$form_security_token' => get_form_security_token("admin_site"),
516
517         ));
518
519 }
520
521
522 function admin_page_dbsync(&$a) {
523
524         $o = '';
525
526         if($a->argc > 3 && intval($a->argv[3]) && $a->argv[2] === 'mark') {
527                 set_config('database', 'update_' . intval($a->argv[3]), 'success');
528                 $curr = get_config('system','build');
529                 if(intval($curr) == intval($a->argv[3]))
530                         set_config('system','build',intval($curr) + 1);
531                 info( t('Update has been marked successful') . EOL);
532                 goaway($a->get_baseurl(true) . '/admin/dbsync');
533         }
534
535         if($a->argc > 2 && intval($a->argv[2])) {
536                 require_once('update.php');
537                 $func = 'update_' . intval($a->argv[2]);
538                 if(function_exists($func)) {
539                         $retval = $func();
540                         if($retval === UPDATE_FAILED) {
541                                 $o .= sprintf( t('Executing %s failed. Check system logs.'), $func); 
542                         }
543                         elseif($retval === UPDATE_SUCCESS) {
544                                 $o .= sprintf( t('Update %s was successfully applied.', $func));
545                                 set_config('database',$func, 'success');
546                         }
547                         else
548                                 $o .= sprintf( t('Update %s did not return a status. Unknown if it succeeded.'), $func);
549                 }
550                 else
551                         $o .= sprintf( t('Update function %s could not be found.'), $func);
552                 return $o;
553         }
554
555         $failed = array();
556         $r = q("select * from config where `cat` = 'database' ");
557         if(count($r)) {
558                 foreach($r as $rr) {
559                         $upd = intval(substr($rr['k'],7));
560                         if($upd < 1139 || $rr['v'] === 'success')
561                                 continue;
562                         $failed[] = $upd;
563                 }
564         }
565         if(! count($failed))
566                 return '<h3>' . t('No failed updates.') . '</h3>';
567
568         $o = replace_macros(get_markup_template('failed_updates.tpl'),array(
569                 '$base' => $a->get_baseurl(true),
570                 '$banner' => t('Failed Updates'),
571                 '$desc' => t('This does not include updates prior to 1139, which did not return a status.'),
572                 '$mark' => t('Mark success (if update was manually applied)'),
573                 '$apply' => t('Attempt to execute this update step automatically'),
574                 '$failed' => $failed
575         ));     
576
577         return $o;
578
579 }
580
581 /**
582  * Users admin page
583  *
584  * @param App $a
585  */
586 function admin_page_users_post(&$a){
587         $pending = ( x($_POST, 'pending') ? $_POST['pending'] : Array() );
588         $users = ( x($_POST, 'user') ? $_POST['user'] : Array() );
589
590     check_form_security_token_redirectOnErr('/admin/users', 'admin_users');
591
592         if (x($_POST,'page_users_block')){
593                 foreach($users as $uid){
594                         q("UPDATE `user` SET `blocked`=1-`blocked` WHERE `uid`=%s",
595                                 intval( $uid )
596                         );
597                 }
598                 notice( sprintf( tt("%s user blocked/unblocked", "%s users blocked/unblocked", count($users)), count($users)) );
599         }
600         if (x($_POST,'page_users_delete')){
601                 require_once("include/Contact.php");
602                 foreach($users as $uid){
603                         user_remove($uid);
604                 }
605                 notice( sprintf( tt("%s user deleted", "%s users deleted", count($users)), count($users)) );
606         }
607         
608         if (x($_POST,'page_users_approve')){
609                 require_once("mod/regmod.php");
610                 foreach($pending as $hash){
611                         user_allow($hash);
612                 }
613         }
614         if (x($_POST,'page_users_deny')){
615                 require_once("mod/regmod.php");
616                 foreach($pending as $hash){
617                         user_deny($hash);
618                 }
619         }
620         goaway($a->get_baseurl(true) . '/admin/users' );
621         return; // NOTREACHED   
622 }
623
624 /**
625  * @param App $a
626  * @return string
627  */
628 function admin_page_users(&$a){
629         if ($a->argc>2) {
630                 $uid = $a->argv[3];
631                 $user = q("SELECT * FROM `user` WHERE `uid`=%d", intval($uid));
632                 if (count($user)==0){
633                         notice( 'User not found' . EOL);
634                         goaway($a->get_baseurl(true) . '/admin/users' );
635                         return ''; // NOTREACHED
636                 }               
637                 switch($a->argv[2]){
638                         case "delete":{
639                 check_form_security_token_redirectOnErr('/admin/users', 'admin_users', 't');
640                                 // delete user
641                                 require_once("include/Contact.php");
642                                 user_remove($uid);
643                                 
644                                 notice( sprintf(t("User '%s' deleted"), $user[0]['username']) . EOL);
645                         }; break;
646                         case "block":{
647                 check_form_security_token_redirectOnErr('/admin/users', 'admin_users', 't');
648                                 q("UPDATE `user` SET `blocked`=%d WHERE `uid`=%s",
649                                         intval( 1-$user[0]['blocked'] ),
650                                         intval( $uid )
651                                 );
652                                 notice( sprintf( ($user[0]['blocked']?t("User '%s' unblocked"):t("User '%s' blocked")) , $user[0]['username']) . EOL);
653                         }; break;
654                 }
655                 goaway($a->get_baseurl(true) . '/admin/users' );
656                 return ''; // NOTREACHED
657                 
658         }
659         
660         /* get pending */
661         $pending = q("SELECT `register`.*, `contact`.`name`, `user`.`email`
662                                  FROM `register`
663                                  LEFT JOIN `contact` ON `register`.`uid` = `contact`.`uid`
664                                  LEFT JOIN `user` ON `register`.`uid` = `user`.`uid`;");
665         
666         
667         /* get users */
668
669         $total = q("SELECT count(*) as total FROM `user` where 1");
670         if(count($total)) {
671                 $a->set_pager_total($total[0]['total']);
672                 $a->set_pager_itemspage(100);
673         }
674         
675         
676         $users = q("SELECT `user` . * , `contact`.`name` , `contact`.`url` , `contact`.`micro`, `lastitem`.`lastitem_date`
677                                 FROM
678                                         (SELECT MAX(`item`.`changed`) as `lastitem_date`, `item`.`uid`
679                                         FROM `item`
680                                         WHERE `item`.`type` = 'wall'
681                                         GROUP BY `item`.`uid`) AS `lastitem`
682                                                  RIGHT OUTER JOIN `user` ON `user`.`uid` = `lastitem`.`uid`,
683                                            `contact`
684                                 WHERE
685                                            `user`.`uid` = `contact`.`uid`
686                                                 AND `user`.`verified` =1
687                                         AND `contact`.`self` =1
688                                 ORDER BY `contact`.`name` LIMIT %d, %d
689                                 ",
690                                 intval($a->pager['start']),
691                                 intval($a->pager['itemspage'])
692                                 );
693                                         
694         function _setup_users($e){
695         $a = get_app();
696                 $accounts = Array(
697                         t('Normal Account'), 
698                         t('Soapbox Account'),
699                         t('Community/Celebrity Account'),
700                         t('Automatic Friend Account')
701                 );
702                 $e['page-flags'] = $accounts[$e['page-flags']];
703                 $e['register_date'] = relative_date($e['register_date']);
704                 $e['login_date'] = relative_date($e['login_date']);
705                 $e['lastitem_date'] = relative_date($e['lastitem_date']);
706         $e['is_admin'] = ($e['email'] === $a->config['admin_email']);
707                 return $e;
708         }
709         $users = array_map("_setup_users", $users);
710         
711         
712         // Get rid of dashes in key names, Smarty3 can't handle them
713         foreach($users as $key => $user) {
714                 $new_user = array();
715                 foreach($user as $k => $v) {
716                         $k = str_replace('-','_',$k);
717                         $new_user[$k] = $v;
718                 }
719                 $users[$key] = $new_user;
720         }
721
722         $t = get_markup_template("admin_users.tpl");
723         $o = replace_macros($t, array(
724                 // strings //
725                 '$title' => t('Administration'),
726                 '$page' => t('Users'),
727                 '$submit' => t('Submit'),
728                 '$select_all' => t('select all'),
729                 '$h_pending' => t('User registrations waiting for confirm'),
730                 '$th_pending' => array( t('Request date'), t('Name'), t('Email') ),
731                 '$no_pending' =>  t('No registrations.'),
732                 '$approve' => t('Approve'),
733                 '$deny' => t('Deny'),
734                 '$delete' => t('Delete'),
735                 '$block' => t('Block'),
736                 '$unblock' => t('Unblock'),
737         '$siteadmin' => t('Site admin'),
738                 
739                 '$h_users' => t('Users'),
740                 '$th_users' => array( t('Name'), t('Email'), t('Register date'), t('Last login'), t('Last item'),  t('Account') ),
741
742                 '$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?'),
743                 '$confirm_delete' => t('The user {0} will be deleted!\n\nEverything this user has posted on this site will be permanently deleted!\n\nAre you sure?'),
744
745         '$form_security_token' => get_form_security_token("admin_users"),
746
747                 // values //
748                 '$baseurl' => $a->get_baseurl(true),
749
750                 '$pending' => $pending,
751                 '$users' => $users,
752         ));
753         $o .= paginate($a);
754         return $o;
755 }
756
757
758 /**
759  * Plugins admin page
760  *
761  * @param App $a
762  * @return string
763  */
764 function admin_page_plugins(&$a){
765
766         /**
767          * Single plugin
768          */
769         if ($a->argc == 3){
770                 $plugin = $a->argv[2];
771                 if (!is_file("addon/$plugin/$plugin.php")){
772                         notice( t("Item not found.") );
773                         return '';
774                 }
775
776                 if (x($_GET,"a") && $_GET['a']=="t"){
777                         check_form_security_token_redirectOnErr('/admin/plugins', 'admin_themes', 't');
778
779                         // Toggle plugin status
780                         $idx = array_search($plugin, $a->plugins);
781                         if ($idx !== false){
782                                 unset($a->plugins[$idx]);
783                                 uninstall_plugin($plugin);
784                                 info( sprintf( t("Plugin %s disabled."), $plugin ) );
785                         } else {
786                                 $a->plugins[] = $plugin;
787                                 install_plugin($plugin);
788                                 info( sprintf( t("Plugin %s enabled."), $plugin ) );
789                         }
790                         set_config("system","addon", implode(", ",$a->plugins));
791                         goaway($a->get_baseurl(true) . '/admin/plugins' );
792                         return ''; // NOTREACHED
793                 }
794                 // display plugin details
795                 require_once('library/markdown.php');
796
797                 if (in_array($plugin, $a->plugins)){
798                         $status="on"; $action= t("Disable");
799                 } else {
800                         $status="off"; $action= t("Enable");
801                 }
802
803                 $readme=Null;
804                 if (is_file("addon/$plugin/README.md")){
805                         $readme = file_get_contents("addon/$plugin/README.md");
806                         $readme = Markdown($readme);
807                 } else if (is_file("addon/$plugin/README")){
808                         $readme = "<pre>". file_get_contents("addon/$plugin/README") ."</pre>";
809                 }
810
811                 $admin_form="";
812                 if (is_array($a->plugins_admin) && in_array($plugin, $a->plugins_admin)){
813                         @require_once("addon/$plugin/$plugin.php");
814                         $func = $plugin.'_plugin_admin';
815                         $func($a, $admin_form);
816                 }
817
818                 $t = get_markup_template("admin_plugins_details.tpl");
819
820                 return replace_macros($t, array(
821                         '$title' => t('Administration'),
822                         '$page' => t('Plugins'),
823                         '$toggle' => t('Toggle'),
824                         '$settings' => t('Settings'),
825                         '$baseurl' => $a->get_baseurl(true),
826
827                         '$plugin' => $plugin,
828                         '$status' => $status,
829                         '$action' => $action,
830                         '$info' => get_plugin_info($plugin),
831                         '$str_author' => t('Author: '),
832                         '$str_maintainer' => t('Maintainer: '),
833
834                         '$admin_form' => $admin_form,
835                         '$function' => 'plugins',
836                         '$screenshot' => '',
837                         '$readme' => $readme,
838
839                         '$form_security_token' => get_form_security_token("admin_themes"),
840                 ));
841         }
842
843
844
845         /**
846          * List plugins
847          */
848
849         $plugins = array();
850         $files = glob("addon/*/");
851         if($files) {
852                 foreach($files as $file) {      
853                         if (is_dir($file)){
854                                 list($tmp, $id)=array_map("trim", explode("/",$file));
855                                 $info = get_plugin_info($id);
856                                 $plugins[] = array( $id, (in_array($id,  $a->plugins)?"on":"off") , $info);
857                         }
858                 }
859         }
860
861         $t = get_markup_template("admin_plugins.tpl");
862         return replace_macros($t, array(
863                 '$title' => t('Administration'),
864                 '$page' => t('Plugins'),
865                 '$submit' => t('Submit'),
866                 '$baseurl' => $a->get_baseurl(true),
867                 '$function' => 'plugins',       
868                 '$plugins' => $plugins,
869         '$form_security_token' => get_form_security_token("admin_themes"),
870         ));
871 }
872
873 /**
874  * @param array $themes
875  * @param string $th
876  * @param int $result
877  */
878 function toggle_theme(&$themes,$th,&$result) {
879         for($x = 0; $x < count($themes); $x ++) {
880                 if($themes[$x]['name'] === $th) {
881                         if($themes[$x]['allowed']) {
882                                 $themes[$x]['allowed'] = 0;
883                                 $result = 0;
884                         }
885                         else {
886                                 $themes[$x]['allowed'] = 1;
887                                 $result = 1;
888                         }
889                 }
890         }
891 }
892
893 /**
894  * @param array $themes
895  * @param string $th
896  * @return int
897  */
898 function theme_status($themes,$th) {
899         for($x = 0; $x < count($themes); $x ++) {
900                 if($themes[$x]['name'] === $th) {
901                         if($themes[$x]['allowed']) {
902                                 return 1;
903                         }
904                         else {
905                                 return 0;
906                         }
907                 }
908         }
909         return 0;
910 }
911
912
913 /**
914  * @param array $themes
915  * @return string
916  */
917 function rebuild_theme_table($themes) {
918         $o = '';
919         if(count($themes)) {
920                 foreach($themes as $th) {
921                         if($th['allowed']) {
922                                 if(strlen($o))
923                                         $o .= ',';
924                                 $o .= $th['name'];
925                         }
926                 }
927         }
928         return $o;
929 }
930
931
932 /**
933  * Themes admin page
934  *
935  * @param App $a
936  * @return string
937  */
938 function admin_page_themes(&$a){
939
940         $allowed_themes_str = get_config('system','allowed_themes');
941         $allowed_themes_raw = explode(',',$allowed_themes_str);
942         $allowed_themes = array();
943         if(count($allowed_themes_raw))
944                 foreach($allowed_themes_raw as $x)
945                         if(strlen(trim($x)))
946                                 $allowed_themes[] = trim($x);
947
948         $themes = array();
949     $files = glob('view/theme/*');
950     if($files) {
951         foreach($files as $file) {
952             $f = basename($file);
953             $is_experimental = intval(file_exists($file . '/experimental'));
954                         $is_supported = 1-(intval(file_exists($file . '/unsupported'))); // Is not used yet
955                         $is_allowed = intval(in_array($f,$allowed_themes));
956                         $themes[] = array('name' => $f, 'experimental' => $is_experimental, 'supported' => $is_supported, 'allowed' => $is_allowed);
957         }
958     }
959
960         if(! count($themes)) {
961                 notice( t('No themes found.'));
962                 return '';
963         }
964
965         /**
966          * Single theme
967          */
968
969         if ($a->argc == 3){
970                 $theme = $a->argv[2];
971                 if(! is_dir("view/theme/$theme")){
972                         notice( t("Item not found.") );
973                         return '';
974                 }
975
976                 if (x($_GET,"a") && $_GET['a']=="t"){
977                         check_form_security_token_redirectOnErr('/admin/themes', 'admin_themes', 't');
978
979                         // Toggle theme status
980
981                         toggle_theme($themes,$theme,$result);
982                         $s = rebuild_theme_table($themes);
983                         if($result)
984                                 info( sprintf('Theme %s enabled.',$theme));
985                         else
986                                 info( sprintf('Theme %s disabled.',$theme));
987
988                         set_config('system','allowed_themes',$s);
989                         goaway($a->get_baseurl(true) . '/admin/themes' );
990                         return ''; // NOTREACHED
991                 }
992
993                 // display theme details
994                 require_once('library/markdown.php');
995
996                 if (theme_status($themes,$theme)) {
997                         $status="on"; $action= t("Disable");
998                 } else {
999                         $status="off"; $action= t("Enable");
1000                 }
1001
1002                 $readme=Null;
1003                 if (is_file("view/theme/$theme/README.md")){
1004                         $readme = file_get_contents("view/theme/$theme/README.md");
1005                         $readme = Markdown($readme);
1006                 } else if (is_file("view/theme/$theme/README")){
1007                         $readme = "<pre>". file_get_contents("view/theme/$theme/README") ."</pre>";
1008                 }
1009
1010                 $admin_form="";
1011                 if (is_file("view/theme/$theme/config.php")){
1012                         require_once("view/theme/$theme/config.php");
1013                         if(function_exists("theme_admin")){
1014                                 $admin_form = theme_admin($a);
1015                         }
1016
1017                 }
1018
1019                 $screenshot = array( get_theme_screenshot($theme), t('Screenshot'));
1020                 if(! stristr($screenshot[0],$theme))
1021                         $screenshot = null;
1022
1023                 $t = get_markup_template("admin_plugins_details.tpl");
1024                 return replace_macros($t, array(
1025                         '$title' => t('Administration'),
1026                         '$page' => t('Themes'),
1027                         '$toggle' => t('Toggle'),
1028                         '$settings' => t('Settings'),
1029                         '$baseurl' => $a->get_baseurl(true),
1030
1031                         '$plugin' => $theme,
1032                         '$status' => $status,
1033                         '$action' => $action,
1034                         '$info' => get_theme_info($theme),
1035                         '$function' => 'themes',
1036                         '$admin_form' => $admin_form,
1037                         '$str_author' => t('Author: '),
1038                         '$str_maintainer' => t('Maintainer: '),
1039                         '$screenshot' => $screenshot,
1040                         '$readme' => $readme,
1041
1042                         '$form_security_token' => get_form_security_token("admin_themes"),
1043                 ));
1044         }
1045
1046         /**
1047          * List themes
1048          */
1049
1050         $xthemes = array();
1051         if($themes) {
1052                 foreach($themes as $th) {
1053                         $xthemes[] = array($th['name'],(($th['allowed']) ? "on" : "off"), get_theme_info($th['name']));
1054                 }
1055         }
1056
1057         $t = get_markup_template("admin_plugins.tpl");
1058         return replace_macros($t, array(
1059                 '$title' => t('Administration'),
1060                 '$page' => t('Themes'),
1061                 '$submit' => t('Submit'),
1062                 '$baseurl' => $a->get_baseurl(true),
1063                 '$function' => 'themes',
1064                 '$plugins' => $xthemes,
1065                 '$experimental' => t('[Experimental]'),
1066                 '$unsupported' => t('[Unsupported]'),
1067         '$form_security_token' => get_form_security_token("admin_themes"),
1068         ));
1069 }
1070
1071
1072 /**
1073  * Logs admin page
1074  *
1075  * @param App $a
1076  */
1077  
1078 function admin_page_logs_post(&$a) {
1079         if (x($_POST,"page_logs")) {
1080         check_form_security_token_redirectOnErr('/admin/logs', 'admin_logs');
1081
1082                 $logfile                =       ((x($_POST,'logfile'))          ? notags(trim($_POST['logfile']))       : '');
1083                 $debugging              =       ((x($_POST,'debugging'))        ? true                                                          : false);
1084                 $loglevel               =       ((x($_POST,'loglevel'))         ? intval(trim($_POST['loglevel']))      : 0);
1085
1086                 set_config('system','logfile', $logfile);
1087                 set_config('system','debugging',  $debugging);
1088                 set_config('system','loglevel', $loglevel);
1089
1090                 
1091         }
1092
1093         info( t("Log settings updated.") );
1094         goaway($a->get_baseurl(true) . '/admin/logs' );
1095         return; // NOTREACHED   
1096 }
1097
1098 /**
1099  * @param App $a
1100  * @return string
1101  */
1102 function admin_page_logs(&$a){
1103         
1104         $log_choices = Array(
1105                 LOGGER_NORMAL => 'Normal',
1106                 LOGGER_TRACE => 'Trace',
1107                 LOGGER_DEBUG => 'Debug',
1108                 LOGGER_DATA => 'Data',
1109                 LOGGER_ALL => 'All'
1110         );
1111         
1112         $t = get_markup_template("admin_logs.tpl");
1113
1114         $f = get_config('system','logfile');
1115
1116         $data = '';
1117
1118         if(!file_exists($f)) {
1119                 $data = t("Error trying to open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f exist and is 
1120 readable.");
1121         }
1122         else {
1123                 $fp = fopen($f, 'r');
1124                 if(!$fp) {
1125                         $data = t("Couldn't open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f is readable.");
1126                 }
1127                 else {
1128                         $fstat = fstat($fp);
1129                         $size = $fstat['size'];
1130                         if($size != 0)
1131                         {
1132                                 if($size > 5000000 || $size < 0)
1133                                         $size = 5000000;
1134                                 $seek = fseek($fp,0-$size,SEEK_END);
1135                                 if($seek === 0) {
1136                                         $data = escape_tags(fread($fp,$size));
1137                                         while(! feof($fp))
1138                                                 $data .= escape_tags(fread($fp,4096));
1139                                 }
1140                         }
1141                         fclose($fp);
1142                 }
1143         }                       
1144
1145         return replace_macros($t, array(
1146                 '$title' => t('Administration'),
1147                 '$page' => t('Logs'),
1148                 '$submit' => t('Submit'),
1149                 '$clear' => t('Clear'),
1150                 '$data' => $data,
1151                 '$baseurl' => $a->get_baseurl(true),
1152                 '$logname' =>  get_config('system','logfile'),
1153                 
1154                                                                         // name, label, value, help string, extra data...
1155                 '$debugging'            => array('debugging', t("Debugging"),get_config('system','debugging'), ""),
1156                 '$logfile'                      => array('logfile', t("Log file"), get_config('system','logfile'), t("Must be writable by web server. Relative to your Friendica top-level directory.")),
1157                 '$loglevel'             => array('loglevel', t("Log level"), get_config('system','loglevel'), "", $log_choices),
1158
1159         '$form_security_token' => get_form_security_token("admin_logs"),
1160         ));
1161 }
1162
1163 /**
1164  * @param App $a
1165  */
1166 function admin_page_remoteupdate_post(&$a) {
1167         // this function should be called via ajax post
1168         if(!is_site_admin()) {
1169                 return;
1170         }
1171
1172         
1173         if (x($_POST,'remotefile') && $_POST['remotefile']!=""){
1174                 $remotefile = $_POST['remotefile'];
1175                 $ftpdata = (x($_POST['ftphost'])?$_POST:false);
1176                 doUpdate($remotefile, $ftpdata);
1177         } else {
1178                 echo "No remote file to download. Abort!";
1179         }
1180
1181         killme();
1182 }
1183
1184 /**
1185  * @param App $a
1186  * @return string
1187  */
1188 function admin_page_remoteupdate(&$a) {
1189         if(!is_site_admin()) {
1190                 return login(false);
1191         }
1192
1193         $canwrite = canWeWrite();
1194         $canftp = function_exists('ftp_connect');
1195         
1196         $needupdate = true;
1197         $u = checkUpdate();
1198         if (!is_array($u)){
1199                 $needupdate = false;
1200                 $u = array('','','');
1201         }
1202         
1203         $tpl = get_markup_template("admin_remoteupdate.tpl");
1204         return replace_macros($tpl, array(
1205                 '$baseurl' => $a->get_baseurl(true),
1206                 '$submit' => t("Update now"),
1207                 '$close' => t("Close"),
1208                 '$localversion' => FRIENDICA_VERSION,
1209                 '$remoteversion' => $u[1],
1210                 '$needupdate' => $needupdate,
1211                 '$canwrite' => $canwrite,
1212                 '$canftp'       => $canftp,
1213                 '$ftphost'      => array('ftphost', t("FTP Host"), '',''),
1214                 '$ftppath'      => array('ftppath', t("FTP Path"), '/',''),
1215                 '$ftpuser'      => array('ftpuser', t("FTP User"), '',''),
1216                 '$ftppwd'       => array('ftppwd', t("FTP Password"), '',''),
1217                 '$remotefile'=>array('remotefile','', $u['2'],''),
1218         ));
1219         
1220 }