mod/admin.php

   1 <?php
   2
   3  /**
   4  * @file mod/admin.php
   5  *
   6  * @brief Friendica admin
   7  */
   8
   9
  10 require_once("include/enotify.php");
  11 require_once("include/text.php");
  12
  13 /**
  14  * @brief Process send data from the admin panels subpages
  15  *
  16  * This function acts as relais for processing the data send from the subpages
  17  * of the admin panel. Depending on the 1st parameter of the url (argv[1])
  18  * specialized functions are called to process the data from the subpages.
  19  *
  20  * The function itself does not return anything, but the subsequencely function
  21  * return the HTML for the pages of the admin panel.
  22  *
  23  * @param App $a
  24  *
  25  */
  26 function admin_post(&$a){
  27
  28
  29         if(!is_site_admin()) {
  30                 return;
  31         }
  32
  33         // do not allow a page manager to access the admin panel at all.
  34
  35         if(x($_SESSION,'submanage') && intval($_SESSION['submanage']))
  36                 return;
  37
  38
  39
  40         // urls
  41         if($a->argc > 1) {
  42                 switch ($a->argv[1]){
  43                         case 'site':
  44                                 admin_page_site_post($a);
  45                                 break;
  46                         case 'users':
  47                                 admin_page_users_post($a);
  48                                 break;
  49                         case 'plugins':
  50                                 if($a->argc > 2 &&
  51                                         is_file("addon/".$a->argv[2]."/".$a->argv[2].".php")) {
  52                                                 @include_once("addon/".$a->argv[2]."/".$a->argv[2].".php");
  53                                                 if(function_exists($a->argv[2].'_plugin_admin_post')) {
  54                                                         $func = $a->argv[2].'_plugin_admin_post';
  55                                                         $func($a);
  56                                                 }
  57                                 }
  58                                 goaway('admin/plugins/'.$a->argv[2]);
  59                                 return; // NOTREACHED
  60                                 break;
  61                         case 'themes':
  62                                 if($a->argc < 2) {
  63                                         if(is_ajax()) return;
  64                                         goaway('admin/');
  65                                         return;
  66                                 }
  67
  68                                 $theme = $a->argv[2];
  69                                 if(is_file("view/theme/$theme/config.php")){
  70                                         function __call_theme_admin_post(&$a, $theme) {
  71                                                 $orig_theme = $a->theme;
  72                                                 $orig_page = $a->page;
  73                                                 $orig_session_theme = $_SESSION['theme'];
  74                                                 require_once("view/theme/$theme/theme.php");
  75                                                 require_once("view/theme/$theme/config.php");
  76                                                 $_SESSION['theme'] = $theme;
  77
  78
  79                                                 $init = $theme."_init";
  80                                                 if(function_exists($init)) $init($a);
  81                                                 if(function_exists("theme_admin_post")) {
  82                                                         $admin_form = theme_admin_post($a);
  83                                                 }
  84
  85                                                 $_SESSION['theme'] = $orig_session_theme;
  86                                                 $a->theme = $orig_theme;
  87                                                 $a->page = $orig_page;
  88                                                 return $admin_form;
  89                                         }
  90                                         __call_theme_admin_post($a, $theme);
  91                                 }
  92                                 info(t('Theme settings updated.'));
  93                                 if(is_ajax()) return;
  94
  95                                 goaway('admin/themes/'.$theme);
  96                                 return;
  97                                 break;
  98                         case 'features':
  99                                 admin_page_features_post($a);
 100                                 break;
 101                         case 'logs':
 102                                 admin_page_logs_post($a);
 103                                 break;
 104                         case 'dbsync':
 105                                 admin_page_dbsync_post($a);
 106                                 break;
 107                 }
 108         }
 109
 110         goaway('admin');
 111         return; // NOTREACHED
 112 }
 113
 114 /**
 115  * @brief Generates content of the admin panel pages
 116  *
 117  * This function generates the content for the admin panel. It consists of the
 118  * aside menu (same for the entire admin panel) and the code for the soecified
 119  * subpage of the panel.
 120  *
 121  * The structure of the adress is: /admin/subpage/details though "details" is
 122  * only necessary for some subpages, like themes or addons where it is the name
 123  * of one theme resp. addon from which the details should be shown. Content for
 124  * the subpages is generated in separate functions for each of the subpages.
 125  *
 126  * The returned string hold the generated HTML code of the page.
 127  *
 128  * @param App $a
 129  * @return string
 130  */
 131 function admin_content(&$a) {
 132
 133         if(!is_site_admin()) {
 134                 return login(false);
 135         }
 136
 137         if(x($_SESSION,'submanage') && intval($_SESSION['submanage']))
 138                 return "";
 139
 140         // APC deactivated, since there are problems with PHP 5.5
 141         //if (function_exists("apc_delete")) {
 142         //      $toDelete = new APCIterator('user', APC_ITER_VALUE);
 143         //      apc_delete($toDelete);
 144         //}
 145
 146         // Header stuff
 147         $a->page['htmlhead'] .= replace_macros(get_markup_template('admin_settings_head.tpl'), array());
 148
 149         /*
 150          * Side bar links
 151          */
 152         $aside_tools = array();
 153         // array(url, name, extra css classes)
 154         // not part of $aside to make the template more adjustable
 155         $aside_sub = array(
 156                 'site'   =>     array("admin/site/", t("Site") , "site"),
 157                 'users'  =>     array("admin/users/", t("Users") , "users"),
 158                 'plugins'=>     array("admin/plugins/", t("Plugins") , "plugins"),
 159                 'themes' =>     array("admin/themes/", t("Themes") , "themes"),
 160                 'features' =>   array("admin/features/", t("Additional features") , "features"),
 161                 'dbsync' =>     array("admin/dbsync/", t('DB updates'), "dbsync"),
 162                 'queue'  =>     array("admin/queue/", t('Inspect Queue'), "queue"),
 163                 'federation' => array("admin/federation/", t('Federation Statistics'), "federation"),
 164         );
 165
 166         /* get plugins admin page */
 167
 168         $r = q("SELECT `name` FROM `addon` WHERE `plugin_admin`=1 ORDER BY `name`");
 169         $aside_tools['plugins_admin']=array();
 170         foreach ($r as $h){
 171                 $plugin =$h['name'];
 172                 $aside_tools['plugins_admin'][] = array("admin/plugins/".$plugin, $plugin, "plugin");
 173                 // temp plugins with admin
 174                 $a->plugins_admin[] = $plugin;
 175         }
 176
 177         $aside_tools['logs'] = array("admin/logs/", t("Logs"), "logs");
 178         $aside_tools['viewlogs'] = array("admin/viewlogs/", t("View Logs"), 'viewlogs');
 179         $aside_tools['diagnostics_probe'] = array('probe/', t('probe address'), 'probe');
 180         $aside_tools['diagnostics_webfinger'] = array('webfinger/', t('check webfinger'), 'webfinger');
 181
 182         $t = get_markup_template("admin_aside.tpl");
 183         $a->page['aside'] .= replace_macros($t, array(
 184                 '$admin' => $aside_tools,
 185                 '$subpages' => $aside_sub,
 186                 '$admtxt' => t('Admin'),
 187                 '$plugadmtxt' => t('Plugin Features'),
 188                 '$logtxt' => t('Logs'),
 189                 '$diagnosticstxt' => t('diagnostics'),
 190                 '$h_pending' => t('User registrations waiting for confirmation'),
 191                 '$admurl'=> "admin/"
 192         ));
 193
 194
 195
 196         /*
 197          * Page content
 198          */
 199         $o = '';
 200         // urls
 201         if($a->argc > 1) {
 202                 switch ($a->argv[1]){
 203                         case 'site':
 204                                 $o = admin_page_site($a);
 205                                 break;
 206                         case 'users':
 207                                 $o = admin_page_users($a);
 208                                 break;
 209                         case 'plugins':
 210                                 $o = admin_page_plugins($a);
 211                                 break;
 212                         case 'themes':
 213                                 $o = admin_page_themes($a);
 214                                 break;
 215                         case 'features':
 216                                 $o = admin_page_features($a);
 217                                 break;
 218                         case 'logs':
 219                                 $o = admin_page_logs($a);
 220                                 break;
 221                         case 'viewlogs':
 222                                 $o = admin_page_viewlogs($a);
 223                                 break;
 224                         case 'dbsync':
 225                                 $o = admin_page_dbsync($a);
 226                                 break;
 227                         case 'queue':
 228                                 $o = admin_page_queue($a);
 229                                 break;
 230                         case 'federation':
 231                                 $o = admin_page_federation($a);
 232                                 break;
 233                         default:
 234                                 notice(t("Item not found."));
 235                 }
 236         } else {
 237                 $o = admin_page_summary($a);
 238         }
 239
 240         if(is_ajax()) {
 241                 echo $o;
 242                 killme();
 243                 return '';
 244         } else {
 245                 return $o;
 246         }
 247 }
 248
 249 /**
 250  * @brief Subpage with some stats about "the federation" network
 251  *
 252  * This function generates the "Federation Statistics" subpage for the admin
 253  * panel. The page lists some numbers to the part of "The Federation" known to
 254  * the node. This data includes the different connected networks (e.g.
 255  * Diaspora, Hubzilla, GNU Social) and the used versions in the different
 256  * networks.
 257  *
 258  * The returned string contains the HTML code of the subpage for display.
 259  *
 260  * @param App $a
 261  * @return string
 262  */
 263 function admin_page_federation(&$a) {
 264         // get counts on active friendica, diaspora, redmatrix, hubzilla, gnu
 265         // social and statusnet nodes this node is knowing
 266         //
 267         // We are looking for the following platforms in the DB, "Red" should find
 268         // all variants of that platform ID string as the q() function is stripping
 269         // off one % two of them are needed in the query
 270         // Add more platforms if you like, when one returns 0 known nodes it is not
 271         // displayed on the stats page.
 272         $platforms = array('Friendica', 'Diaspora', '%%red%%', 'Hubzilla', 'GNU Social', 'StatusNet');
 273         $colors    = array('Friendica' => '#ffc018',     // orange from the logo
 274                            'Diaspora'  => '#a1a1a1',     // logo is black and white, makes a gray
 275                            '%%red%%'   => '#c50001',     // fire red from the logo
 276                            'Hubzilla'  => '#43488a',     // blue from the logo
 277                            'GNU Social'=> '#a22430',     // dark red from the logo
 278                            'StatusNet' => '#789240');    // the green from the logo (red and blue have already others
 279         $counts = array();
 280         $total = 0;
 281
 282         foreach ($platforms as $p) {
 283                 // get a total count for the platform, the name and version of the
 284                 // highest version and the protocol tpe
 285                 $c = q('SELECT count(*) AS total, platform, network, version FROM gserver
 286                         WHERE platform LIKE "%s" AND last_contact > last_failure AND `version` != ""
 287                         ORDER BY version ASC;', $p);
 288                 $total = $total + $c[0]['total'];
 289
 290                 // what versions for that platform do we know at all?
 291                 // again only the active nodes
 292                 $v = q('SELECT count(*) AS total, version FROM gserver
 293                         WHERE last_contact > last_failure AND platform LIKE "%s"  AND `version` != ""
 294                         GROUP BY version
 295                         ORDER BY version;', $p);
 296
 297                 //
 298                 // clean up version numbers
 299                 //
 300                 // in the DB the Diaspora versions have the format x.x.x.x-xx the last
 301                 // part (-xx) should be removed to clean up the versions from the "head
 302                 // commit" information and combined into a single entry for x.x.x.x
 303                 if($p=='Diaspora') {
 304                         $newV = array();
 305                         $newVv = array();
 306                         foreach($v as $vv) {
 307                                 $newVC = $vv['total'];
 308                                 $newVV = $vv['version'];
 309                                 $posDash = strpos($newVV, '-');
 310                                 if($posDash)
 311                                         $newVV = substr($newVV, 0, $posDash);
 312                                 if(isset($newV[$newVV]))
 313                                         $newV[$newVV] += $newVC;
 314                                 else
 315                                         $newV[$newVV] = $newVC;
 316                         }
 317                         foreach ($newV as $key => $value) {
 318                                 array_push($newVv, array('total'=>$value, 'version'=>$key));
 319                         }
 320                         $v = $newVv;
 321                 }
 322
 323                 // early friendica versions have the format x.x.xxxx where xxxx is the
 324                 // DB version stamp; those should be operated out and versions be
 325                 // conbined
 326                 if($p=='Friendica') {
 327                         $newV = array();
 328                         $newVv = array();
 329                         foreach ($v as $vv) {
 330                                 $newVC = $vv['total'];
 331                                 $newVV = $vv['version'];
 332                                 $lastDot = strrpos($newVV,'.');
 333                                 $len = strlen($newVV)-1;
 334                                 if(($lastDot == $len-4) && (!strrpos($newVV,'-rc')==$len-3))
 335                                         $newVV = substr($newVV, 0, $lastDot);
 336                                 if(isset($newV[$newVV]))
 337                                         $newV[$newVV] += $newVC;
 338                                 else
 339                                         $newV[$newVV] = $newVC;
 340                         }
 341                         foreach ($newV as $key => $value) {
 342                                 array_push($newVv, array('total'=>$value, 'version'=>$key));
 343                         }
 344                         $v = $newVv;
 345                 }
 346
 347                 foreach ($v as $key => $vv)
 348                         $v[$key]["version"] = trim(strip_tags($vv["version"]));
 349
 350                 // the 3rd array item is needed for the JavaScript graphs as JS does
 351                 // not like some characters in the names of variables...
 352                 $counts[$p]=array($c[0], $v, str_replace(array(' ','%'),'',$p), $colors[$p]);
 353         }
 354
 355         // some helpful text
 356         $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.');
 357         $hint = t('The <em>Auto Discovered Contact Directory</em> feature is not enabled, it will improve the data displayed here.');
 358
 359         // load the template, replace the macros and return the page content
 360         $t = get_markup_template("admin_federation.tpl");
 361         return replace_macros($t, array(
 362                 '$title' => t('Administration'),
 363                 '$page' => t('Federation Statistics'),
 364                 '$intro' => $intro,
 365                 '$hint' => $hint,
 366                 '$autoactive' => get_config('system', 'poco_completion'),
 367                 '$counts' => $counts,
 368                 '$version' => FRIENDICA_VERSION,
 369                 '$legendtext' => sprintf(t('Currently this node is aware of %d nodes from the following platforms:'), $total),
 370                 '$baseurl' => $a->get_baseurl(),
 371         ));
 372 }
 373
 374 /**
 375  * @brief Admin Inspect Queue Page
 376  *
 377  * Generates a page for the admin to have a look into the current queue of
 378  * postings that are not deliverabke. Shown are the name and url of the
 379  * recipient, the delivery network and the dates when the posting was generated
 380  * and the last time tried to deliver the posting.
 381  *
 382  * The returned string holds the content of the page.
 383  *
 384  * @param App $a
 385  * @return string
 386  */
 387 function admin_page_queue(&$a) {
 388         // get content from the queue table
 389         $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;");
 390
 391         $t = get_markup_template("admin_queue.tpl");
 392         return replace_macros($t, array(
 393                 '$title' => t('Administration'),
 394                 '$page' => t('Inspect Queue'),
 395                 '$count' => sizeof($r),
 396                 'id_header' => t('ID'),
 397                 '$to_header' => t('Recipient Name'),
 398                 '$url_header' => t('Recipient Profile'),
 399                 '$network_header' => t('Network'),
 400                 '$created_header' => t('Created'),
 401                 '$last_header' => t('Last Tried'),
 402                 '$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.'),
 403                 '$entries' => $r,
 404         ));
 405 }
 406
 407 /**
 408  * @brief Admin Summary Page
 409  *
 410  * The summary page is the "start page" of the admin panel. It gives the admin
 411  * a first overview of the open adminastrative tasks.
 412  *
 413  * The returned string contains the HTML content of the generated page.
 414  *
 415  * @param App $a
 416  * @return string
 417  */
 418 function admin_page_summary(&$a) {
 419         $r = q("SELECT `page-flags`, COUNT(uid) as `count` FROM `user` GROUP BY `page-flags`");
 420         $accounts = array(
 421                 array(t('Normal Account'), 0),
 422                 array(t('Soapbox Account'), 0),
 423                 array(t('Community/Celebrity Account'), 0),
 424                 array(t('Automatic Friend Account'), 0),
 425                 array(t('Blog Account'), 0),
 426                 array(t('Private Forum'), 0)
 427         );
 428
 429         $users=0;
 430         foreach ($r as $u){ $accounts[$u['page-flags']][1] = $u['count']; $users+= $u['count']; }
 431
 432         logger('accounts: '.print_r($accounts,true),LOGGER_DATA);
 433
 434         $r = q("SELECT COUNT(id) as `count` FROM `register`");
 435         $pending = $r[0]['count'];
 436
 437         $r = q("select count(*) as total from deliverq where 1");
 438         $deliverq = (($r) ? $r[0]['total'] : 0);
 439
 440         $r = q("select count(*) as total from queue where 1");
 441         $queue = (($r) ? $r[0]['total'] : 0);
 442
 443         // We can do better, but this is a quick queue status
 444
 445         $queues = array('label' => t('Message queues'), 'deliverq' => $deliverq, 'queue' => $queue);
 446
 447
 448         $t = get_markup_template("admin_summary.tpl");
 449         return replace_macros($t, array(
 450                 '$title' => t('Administration'),
 451                 '$page' => t('Summary'),
 452                 '$queues' => $queues,
 453                 '$users' => array(t('Registered users'), $users),
 454                 '$accounts' => $accounts,
 455                 '$pending' => array(t('Pending registrations'), $pending),
 456                 '$version' => array(t('Version'), FRIENDICA_VERSION),
 457                 '$baseurl' => $a->get_baseurl(),
 458                 '$platform' => FRIENDICA_PLATFORM,
 459                 '$codename' => FRIENDICA_CODENAME,
 460                 '$build' =>  get_config('system','build'),
 461                 '$plugins' => array(t('Active plugins'), $a->plugins)
 462         ));
 463 }
 464
 465 /**
 466  * @brief Process send data from Admin Site Page
 467  *
 468  * @param App $a
 469  */
 470 function admin_page_site_post(&$a) {
 471         if(!x($_POST,"page_site")) {
 472                 return;
 473         }
 474
 475         check_form_security_token_redirectOnErr('/admin/site', 'admin_site');
 476
 477         // relocate
 478         if(x($_POST,'relocate') && x($_POST,'relocate_url') && $_POST['relocate_url']!="") {
 479                 $new_url = $_POST['relocate_url'];
 480                 $new_url = rtrim($new_url,"/");
 481
 482                 $parsed = @parse_url($new_url);
 483                 if(!$parsed || (!x($parsed,'host') || !x($parsed,'scheme'))) {
 484                         notice(t("Can not parse base url. Must have at least <scheme>://<domain>"));
 485                         goaway('admin/site');
 486                 }
 487
 488                 /* steps:
 489                  * replace all "baseurl" to "new_url" in config, profile, term, items and contacts
 490                  * send relocate for every local user
 491                  * */
 492
 493                 $old_url = $a->get_baseurl(true);
 494
 495                 // Generate host names for relocation the addresses in the format user@address.tld
 496                 $new_host = str_replace("http://", "@", normalise_link($new_url));
 497                 $old_host = str_replace("http://", "@", normalise_link($old_url));
 498
 499                 function update_table($table_name, $fields, $old_url, $new_url) {
 500                         global $db, $a;
 501
 502                         $dbold = dbesc($old_url);
 503                         $dbnew = dbesc($new_url);
 504
 505                         $upd = array();
 506                         foreach ($fields as $f) {
 507                                 $upd[] = "`$f` = REPLACE(`$f`, '$dbold', '$dbnew')";
 508                         }
 509
 510                         $upds = implode(", ", $upd);
 511
 512
 513
 514                         $q = sprintf("UPDATE %s SET %s;", $table_name, $upds);
 515                         $r = q($q);
 516                         if(!$r) {
 517                                 notice("Failed updating '$table_name': ".$db->error);
 518                                 goaway('admin/site');
 519                         }
 520                 }
 521
 522                 // update tables
 523                 // update profile links in the format "http://server.tld"
 524                 update_table("profile", array('photo', 'thumb'), $old_url, $new_url);
 525                 update_table("term", array('url'), $old_url, $new_url);
 526                 update_table("contact", array('photo','thumb','micro','url','nurl','alias','request','notify','poll','confirm','poco', 'avatar'), $old_url, $new_url);
 527                 update_table("gcontact", array('url','nurl','photo','server_url','notify','alias'), $old_url, $new_url);
 528                 update_table("item", array('owner-link','owner-avatar','author-link','author-avatar','body','plink','tag'), $old_url, $new_url);
 529
 530                 // update profile addresses in the format "user@server.tld"
 531                 update_table("contact", array('addr'), $old_host, $new_host);
 532                 update_table("gcontact", array('connect','addr'), $old_host, $new_host);
 533
 534                 // update config
 535                 $a->set_baseurl($new_url);
 536                 set_config('system','url',$new_url);
 537
 538                 // send relocate
 539                 $users = q("SELECT uid FROM user WHERE account_removed = 0 AND account_expired = 0");
 540
 541                 foreach ($users as $user) {
 542                         proc_run('php', 'include/notifier.php', 'relocate', $user['uid']);
 543                 }
 544
 545                 info("Relocation started. Could take a while to complete.");
 546
 547                 goaway('admin/site');
 548         }
 549         // end relocate
 550
 551         $sitename               =       ((x($_POST,'sitename'))                 ? notags(trim($_POST['sitename']))              : '');
 552         $hostname               =       ((x($_POST,'hostname'))                 ? notags(trim($_POST['hostname']))              : '');
 553         $sender_email           =       ((x($_POST,'sender_email'))             ? notags(trim($_POST['sender_email']))          : '');
 554         $banner                 =       ((x($_POST,'banner'))                   ? trim($_POST['banner'])                        : false);
 555         $shortcut_icon          =       ((x($_POST,'shortcut_icon'))            ? notags(trim($_POST['shortcut_icon']))         : '');
 556         $touch_icon             =       ((x($_POST,'touch_icon'))               ? notags(trim($_POST['touch_icon']))            : '');
 557         $info                   =       ((x($_POST,'info'))                     ? trim($_POST['info'])                          : false);
 558         $language               =       ((x($_POST,'language'))                 ? notags(trim($_POST['language']))              : '');
 559         $theme                  =       ((x($_POST,'theme'))                    ? notags(trim($_POST['theme']))                 : '');
 560         $theme_mobile           =       ((x($_POST,'theme_mobile'))             ? notags(trim($_POST['theme_mobile']))          : '');
 561         $maximagesize           =       ((x($_POST,'maximagesize'))             ? intval(trim($_POST['maximagesize']))          :  0);
 562         $maximagelength         =       ((x($_POST,'maximagelength'))           ? intval(trim($_POST['maximagelength']))        :  MAX_IMAGE_LENGTH);
 563         $jpegimagequality       =       ((x($_POST,'jpegimagequality'))         ? intval(trim($_POST['jpegimagequality']))      :  JPEG_QUALITY);
 564
 565
 566         $register_policy        =       ((x($_POST,'register_policy'))          ? intval(trim($_POST['register_policy']))       :  0);
 567         $daily_registrations    =       ((x($_POST,'max_daily_registrations'))  ? intval(trim($_POST['max_daily_registrations']))       :0);
 568         $abandon_days           =       ((x($_POST,'abandon_days'))             ? intval(trim($_POST['abandon_days']))          :  0);
 569
 570         $register_text          =       ((x($_POST,'register_text'))            ? notags(trim($_POST['register_text']))         : '');
 571
 572         $allowed_sites          =       ((x($_POST,'allowed_sites'))            ? notags(trim($_POST['allowed_sites']))         : '');
 573         $allowed_email          =       ((x($_POST,'allowed_email'))            ? notags(trim($_POST['allowed_email']))         : '');
 574         $block_public           =       ((x($_POST,'block_public'))             ? True                                          : False);
 575         $force_publish          =       ((x($_POST,'publish_all'))              ? True                                          : False);
 576         $global_directory       =       ((x($_POST,'directory'))                ? notags(trim($_POST['directory']))             : '');
 577         $thread_allow           =       ((x($_POST,'thread_allow'))             ? True                                          : False);
 578         $newuser_private                =       ((x($_POST,'newuser_private'))          ? True                                  : False);
 579         $enotify_no_content             =       ((x($_POST,'enotify_no_content'))       ? True                                  : False);
 580         $private_addons                 =       ((x($_POST,'private_addons'))           ? True                                  : False);
 581         $disable_embedded               =       ((x($_POST,'disable_embedded'))         ? True                                  : False);
 582         $allow_users_remote_self        =       ((x($_POST,'allow_users_remote_self'))  ? True                                  : False);
 583
 584         $no_multi_reg           =       ((x($_POST,'no_multi_reg'))             ? True                                          : False);
 585         $no_openid              =       !((x($_POST,'no_openid'))               ? True                                          : False);
 586         $no_regfullname         =       !((x($_POST,'no_regfullname'))          ? True                                          : False);
 587         $no_utf                 =       !((x($_POST,'no_utf'))                  ? True                                          : False);
 588         $community_page_style   =       ((x($_POST,'community_page_style'))     ? intval(trim($_POST['community_page_style']))  : 0);
 589         $max_author_posts_community_page        =       ((x($_POST,'max_author_posts_community_page'))  ? intval(trim($_POST['max_author_posts_community_page']))       : 0);
 590
 591         $verifyssl              =       ((x($_POST,'verifyssl'))                ? True                                          : False);
 592         $proxyuser              =       ((x($_POST,'proxyuser'))                ? notags(trim($_POST['proxyuser']))             : '');
 593         $proxy                  =       ((x($_POST,'proxy'))                    ? notags(trim($_POST['proxy']))                 : '');
 594         $timeout                =       ((x($_POST,'timeout'))                  ? intval(trim($_POST['timeout']))               : 60);
 595         $delivery_interval      =       ((x($_POST,'delivery_interval'))        ? intval(trim($_POST['delivery_interval']))     : 0);
 596         $poll_interval          =       ((x($_POST,'poll_interval'))            ? intval(trim($_POST['poll_interval']))         : 0);
 597         $maxloadavg             =       ((x($_POST,'maxloadavg'))               ? intval(trim($_POST['maxloadavg']))            : 50);
 598         $maxloadavg_frontend    =       ((x($_POST,'maxloadavg_frontend'))      ? intval(trim($_POST['maxloadavg_frontend']))   : 50);
 599         $optimize_max_tablesize =       ((x($_POST,'optimize_max_tablesize'))   ? intval(trim($_POST['optimize_max_tablesize'])): 100);
 600         $optimize_fragmentation =       ((x($_POST,'optimize_fragmentation'))   ? intval(trim($_POST['optimize_fragmentation'])): 30);
 601         $poco_completion        =       ((x($_POST,'poco_completion'))          ? intval(trim($_POST['poco_completion']))       : false);
 602         $poco_requery_days      =       ((x($_POST,'poco_requery_days'))        ? intval(trim($_POST['poco_requery_days']))     : 7);
 603         $poco_discovery         =       ((x($_POST,'poco_discovery'))           ? intval(trim($_POST['poco_discovery']))        : 0);
 604         $poco_discovery_since   =       ((x($_POST,'poco_discovery_since'))     ? intval(trim($_POST['poco_discovery_since']))  : 30);
 605         $poco_local_search      =       ((x($_POST,'poco_local_search'))        ? intval(trim($_POST['poco_local_search']))     : false);
 606         $nodeinfo               =       ((x($_POST,'nodeinfo'))                 ? intval(trim($_POST['nodeinfo']))              : false);
 607         $dfrn_only              =       ((x($_POST,'dfrn_only'))                ? True                                          : False);
 608         $ostatus_disabled       =       !((x($_POST,'ostatus_disabled'))        ? True                                          : False);
 609         $ostatus_poll_interval  =       ((x($_POST,'ostatus_poll_interval'))    ? intval(trim($_POST['ostatus_poll_interval'])) :  0);
 610         $ostatus_full_threads   =       ((x($_POST,'ostatus_full_threads'))     ? True                                          : False);
 611         $diaspora_enabled       =       ((x($_POST,'diaspora_enabled'))         ? True                                          : False);
 612         $ssl_policy             =       ((x($_POST,'ssl_policy'))               ? intval($_POST['ssl_policy'])                  : 0);
 613         $force_ssl              =       ((x($_POST,'force_ssl'))                ? True                                          : False);
 614         $old_share              =       ((x($_POST,'old_share'))                ? True                                          : False);
 615         $hide_help              =       ((x($_POST,'hide_help'))                ? True                                          : False);
 616         $suppress_language      =       ((x($_POST,'suppress_language'))        ? True                                          : False);
 617         $suppress_tags          =       ((x($_POST,'suppress_tags'))            ? True                                          : False);
 618         $use_fulltext_engine    =       ((x($_POST,'use_fulltext_engine'))      ? True                                          : False);
 619         $itemcache              =       ((x($_POST,'itemcache'))                ? notags(trim($_POST['itemcache']))             : '');
 620         $itemcache_duration     =       ((x($_POST,'itemcache_duration'))       ? intval($_POST['itemcache_duration'])          : 0);
 621         $max_comments           =       ((x($_POST,'max_comments'))             ? intval($_POST['max_comments'])                : 0);
 622         $lockpath               =       ((x($_POST,'lockpath'))                 ? notags(trim($_POST['lockpath']))              : '');
 623         $temppath               =       ((x($_POST,'temppath'))                 ? notags(trim($_POST['temppath']))              : '');
 624         $basepath               =       ((x($_POST,'basepath'))                 ? notags(trim($_POST['basepath']))              : '');
 625         $singleuser             =       ((x($_POST,'singleuser'))               ? notags(trim($_POST['singleuser']))            : '');
 626         $proxy_disabled         =       ((x($_POST,'proxy_disabled'))           ? True                                          : False);
 627         $old_pager              =       ((x($_POST,'old_pager'))                ? True                                          : False);
 628         $only_tag_search        =       ((x($_POST,'only_tag_search'))          ? True                                          : False);
 629         $rino                   =       ((x($_POST,'rino'))                     ? intval($_POST['rino'])                        : 0);
 630         $embedly                =       ((x($_POST,'embedly'))                  ? notags(trim($_POST['embedly']))               : '');
 631         $worker                 =       ((x($_POST,'worker'))                   ? True                                          : False);
 632         $worker_queues          =       ((x($_POST,'worker_queues'))            ? intval($_POST['worker_queues'])               : 4);
 633         $worker_dont_fork       =       ((x($_POST,'worker_dont_fork'))         ? True                                          : False);
 634
 635         if($a->get_path() != "")
 636                 $diaspora_enabled = false;
 637
 638         if(!$thread_allow)
 639                 $ostatus_disabled = true;
 640
 641         if($ssl_policy != intval(get_config('system','ssl_policy'))) {
 642                 if($ssl_policy == SSL_POLICY_FULL) {
 643                         q("update `contact` set
 644                                 `url`     = replace(`url`    , 'http:' , 'https:'),
 645                                 `photo`   = replace(`photo`  , 'http:' , 'https:'),
 646                                 `thumb`   = replace(`thumb`  , 'http:' , 'https:'),
 647                                 `micro`   = replace(`micro`  , 'http:' , 'https:'),
 648                                 `request` = replace(`request`, 'http:' , 'https:'),
 649                                 `notify`  = replace(`notify` , 'http:' , 'https:'),
 650                                 `poll`    = replace(`poll`   , 'http:' , 'https:'),
 651                                 `confirm` = replace(`confirm`, 'http:' , 'https:'),
 652                                 `poco`    = replace(`poco`   , 'http:' , 'https:')
 653                                 where `self` = 1"
 654                         );
 655                         q("update `profile` set
 656                                 `photo`   = replace(`photo`  , 'http:' , 'https:'),
 657                                 `thumb`   = replace(`thumb`  , 'http:' , 'https:')
 658                                 where 1 "
 659                         );
 660                 }
 661                 elseif($ssl_policy == SSL_POLICY_SELFSIGN) {
 662                         q("update `contact` set
 663                                 `url`     = replace(`url`    , 'https:' , 'http:'),
 664                                 `photo`   = replace(`photo`  , 'https:' , 'http:'),
 665                                 `thumb`   = replace(`thumb`  , 'https:' , 'http:'),
 666                                 `micro`   = replace(`micro`  , 'https:' , 'http:'),
 667                                 `request` = replace(`request`, 'https:' , 'http:'),
 668                                 `notify`  = replace(`notify` , 'https:' , 'http:'),
 669                                 `poll`    = replace(`poll`   , 'https:' , 'http:'),
 670                                 `confirm` = replace(`confirm`, 'https:' , 'http:'),
 671                                 `poco`    = replace(`poco`   , 'https:' , 'http:')
 672                                 where `self` = 1"
 673                         );
 674                         q("update `profile` set
 675                                 `photo`   = replace(`photo`  , 'https:' , 'http:'),
 676                                 `thumb`   = replace(`thumb`  , 'https:' , 'http:')
 677                                 where 1 "
 678                         );
 679                 }
 680         }
 681         set_config('system','ssl_policy',$ssl_policy);
 682         set_config('system','delivery_interval',$delivery_interval);
 683         set_config('system','poll_interval',$poll_interval);
 684         set_config('system','maxloadavg',$maxloadavg);
 685         set_config('system','maxloadavg_frontend',$maxloadavg_frontend);
 686         set_config('system','optimize_max_tablesize',$optimize_max_tablesize);
 687         set_config('system','optimize_fragmentation',$optimize_fragmentation);
 688         set_config('system','poco_completion',$poco_completion);
 689         set_config('system','poco_requery_days',$poco_requery_days);
 690         set_config('system','poco_discovery',$poco_discovery);
 691         set_config('system','poco_discovery_since',$poco_discovery_since);
 692         set_config('system','poco_local_search',$poco_local_search);
 693         set_config('system','nodeinfo',$nodeinfo);
 694         set_config('config','sitename',$sitename);
 695         set_config('config','hostname',$hostname);
 696         set_config('config','sender_email', $sender_email);
 697         set_config('system','suppress_language',$suppress_language);
 698         set_config('system','suppress_tags',$suppress_tags);
 699         set_config('system','shortcut_icon',$shortcut_icon);
 700         set_config('system','touch_icon',$touch_icon);
 701
 702         if($banner=="") {
 703                 // don't know why, but del_config doesn't work...
 704                 q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
 705                         dbesc("system"),
 706                         dbesc("banner")
 707                 );
 708         } else {
 709                 set_config('system','banner', $banner);
 710         }
 711
 712         if($info=="") {
 713                 del_config('config','info');
 714         } else {
 715                 set_config('config','info',$info);
 716         }
 717         set_config('system','language', $language);
 718         set_config('system','theme', $theme);
 719
 720         if($theme_mobile === '---') {
 721                 del_config('system','mobile-theme');
 722         } else {
 723                 set_config('system','mobile-theme', $theme_mobile);
 724                 }
 725                 if($singleuser === '---') {
 726                         del_config('system','singleuser');
 727                 } else {
 728                         set_config('system','singleuser', $singleuser);
 729                 }
 730         set_config('system','maximagesize', $maximagesize);
 731         set_config('system','max_image_length', $maximagelength);
 732         set_config('system','jpeg_quality', $jpegimagequality);
 733
 734         set_config('config','register_policy', $register_policy);
 735         set_config('system','max_daily_registrations', $daily_registrations);
 736         set_config('system','account_abandon_days', $abandon_days);
 737         set_config('config','register_text', $register_text);
 738         set_config('system','allowed_sites', $allowed_sites);
 739         set_config('system','allowed_email', $allowed_email);
 740         set_config('system','block_public', $block_public);
 741         set_config('system','publish_all', $force_publish);
 742         set_config('system','directory', $global_directory);
 743         set_config('system','thread_allow', $thread_allow);
 744         set_config('system','newuser_private', $newuser_private);
 745         set_config('system','enotify_no_content', $enotify_no_content);
 746         set_config('system','disable_embedded', $disable_embedded);
 747         set_config('system','allow_users_remote_self', $allow_users_remote_self);
 748
 749         set_config('system','block_extended_register', $no_multi_reg);
 750         set_config('system','no_openid', $no_openid);
 751         set_config('system','no_regfullname', $no_regfullname);
 752         set_config('system','community_page_style', $community_page_style);
 753         set_config('system','max_author_posts_community_page', $max_author_posts_community_page);
 754         set_config('system','no_utf', $no_utf);
 755         set_config('system','verifyssl', $verifyssl);
 756         set_config('system','proxyuser', $proxyuser);
 757         set_config('system','proxy', $proxy);
 758         set_config('system','curl_timeout', $timeout);
 759         set_config('system','dfrn_only', $dfrn_only);
 760         set_config('system','ostatus_disabled', $ostatus_disabled);
 761         set_config('system','ostatus_poll_interval', $ostatus_poll_interval);
 762         set_config('system','ostatus_full_threads', $ostatus_full_threads);
 763         set_config('system','diaspora_enabled', $diaspora_enabled);
 764
 765         set_config('config','private_addons', $private_addons);
 766
 767         set_config('system','force_ssl', $force_ssl);
 768         set_config('system','old_share', $old_share);
 769         set_config('system','hide_help', $hide_help);
 770         set_config('system','use_fulltext_engine', $use_fulltext_engine);
 771         set_config('system','itemcache', $itemcache);
 772         set_config('system','itemcache_duration', $itemcache_duration);
 773         set_config('system','max_comments', $max_comments);
 774         set_config('system','lockpath', $lockpath);
 775         set_config('system','temppath', $temppath);
 776         set_config('system','basepath', $basepath);
 777         set_config('system','proxy_disabled', $proxy_disabled);
 778         set_config('system','old_pager', $old_pager);
 779         set_config('system','only_tag_search', $only_tag_search);
 780         set_config('system','worker', $worker);
 781         set_config('system','worker_queues', $worker_queues);
 782         set_config('system','worker_dont_fork', $worker_dont_fork);
 783
 784         if($rino==2 and !function_exists('mcrypt_create_iv')) {
 785                 notice(t("RINO2 needs mcrypt php extension to work."));
 786         } else {
 787                 set_config('system','rino_encrypt', $rino);
 788         }
 789
 790         set_config('system','embedly', $embedly);
 791
 792
 793         info(t('Site settings updated.').EOL);
 794         goaway('admin/site');
 795         return; // NOTREACHED
 796
 797 }
 798
 799 /**
 800  * @brief Generate Admin Site subpage
 801  *
 802  * This function generates the main configuration page of the admin panel.
 803  *
 804  * @param  App $a
 805  * @return string
 806  */
 807 function admin_page_site(&$a) {
 808
 809         /* Installed langs */
 810         $lang_choices = get_avaiable_languages();
 811
 812         if(strlen(get_config('system','directory_submit_url')) AND
 813                 !strlen(get_config('system','directory'))) {
 814                         set_config('system','directory', dirname(get_config('system','directory_submit_url')));
 815                         del_config('system','directory_submit_url');
 816         }
 817
 818         /* Installed themes */
 819         $theme_choices = array();
 820         $theme_choices_mobile = array();
 821         $theme_choices_mobile["---"] = t("No special theme for mobile devices");
 822         $files = glob('view/theme/*');
 823         if($files) {
 824                 foreach($files as $file) {
 825                         if(intval(file_exists($file.'/unsupported')))
 826                                 continue;
 827
 828                         $f = basename($file);
 829                         $theme_name = ((file_exists($file.'/experimental')) ?  sprintf("%s - \x28Experimental\x29", $f) : $f);
 830                         if(file_exists($file.'/mobile')) {
 831                                 $theme_choices_mobile[$f] = $theme_name;
 832                         } else {
 833                                 $theme_choices[$f] = $theme_name;
 834                         }
 835                 }
 836         }
 837
 838         /* Community page style */
 839         $community_page_style_choices = array(
 840                 CP_NO_COMMUNITY_PAGE => t("No community page"),
 841                 CP_USERS_ON_SERVER => t("Public postings from users of this site"),
 842                 CP_GLOBAL_COMMUNITY => t("Global community page")
 843                 );
 844
 845         /* OStatus conversation poll choices */
 846         $ostatus_poll_choices = array(
 847                 "-2" => t("Never"),
 848                 "-1" => t("At post arrival"),
 849                 "0" => t("Frequently"),
 850                 "60" => t("Hourly"),
 851                 "720" => t("Twice daily"),
 852                 "1440" => t("Daily")
 853                 );
 854
 855         $poco_discovery_choices = array(
 856                 "0" => t("Disabled"),
 857                 "1" => t("Users"),
 858                 "2" => t("Users, Global Contacts"),
 859                 "3" => t("Users, Global Contacts/fallback"),
 860                 );
 861
 862         $poco_discovery_since_choices = array(
 863                 "30" => t("One month"),
 864                 "91" => t("Three months"),
 865                 "182" => t("Half a year"),
 866                 "365" => t("One year"),
 867                 );
 868
 869         /* get user names to make the install a personal install of X */
 870         $user_names = array();
 871         $user_names['---'] = t('Multi user instance');
 872         $users = q("SELECT username, nickname FROM `user`");
 873         foreach ($users as $user) {
 874                 $user_names[$user['nickname']] = $user['username'];
 875         }
 876
 877         /* Banner */
 878         $banner = get_config('system','banner');
 879         if($banner == false)
 880                 $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>';
 881         $banner = htmlspecialchars($banner);
 882         $info = get_config('config','info');
 883         $info = htmlspecialchars($info);
 884
 885         // Automatically create temporary paths
 886         get_temppath();
 887         get_lockpath();
 888         get_itemcachepath();
 889
 890         //echo "<pre>"; var_dump($lang_choices); die("</pre>");
 891
 892         /* Register policy */
 893         $register_choices = array(
 894                 REGISTER_CLOSED => t("Closed"),
 895                 REGISTER_APPROVE => t("Requires approval"),
 896                 REGISTER_OPEN => t("Open")
 897         );
 898
 899         $ssl_choices = array(
 900                 SSL_POLICY_NONE => t("No SSL policy, links will track page SSL state"),
 901                 SSL_POLICY_FULL => t("Force all links to use SSL"),
 902                 SSL_POLICY_SELFSIGN => t("Self-signed certificate, use SSL for local links only (discouraged)")
 903         );
 904
 905         if($a->config['hostname'] == "")
 906                 $a->config['hostname'] = $a->get_hostname();
 907
 908         $diaspora_able = ($a->get_path() == "");
 909
 910         $t = get_markup_template("admin_site.tpl");
 911         return replace_macros($t, array(
 912                 '$title' => t('Administration'),
 913                 '$page' => t('Site'),
 914                 '$submit' => t('Save Settings'),
 915                 '$registration' => t('Registration'),
 916                 '$upload' => t('File upload'),
 917                 '$corporate' => t('Policies'),
 918                 '$advanced' => t('Advanced'),
 919                 '$portable_contacts' => t('Auto Discovered Contact Directory'),
 920                 '$performance' => t('Performance'),
 921                 '$worker_title' => t('Worker'),
 922                 '$relocate'=> t('Relocate - WARNING: advanced function. Could make this server unreachable.'),
 923                 '$baseurl' => $a->get_baseurl(true),
 924                 // name, label, value, help string, extra data...
 925                 '$sitename'             => array('sitename', t("Site name"), $a->config['sitename'],''),
 926                 '$hostname'             => array('hostname', t("Host name"), $a->config['hostname'], ""),
 927                 '$sender_email'         => array('sender_email', t("Sender Email"), $a->config['sender_email'], t("The email address your server shall use to send notification emails from."), "", "", "email"),
 928                 '$banner'               => array('banner', t("Banner/Logo"), $banner, ""),
 929                 '$shortcut_icon'        => array('shortcut_icon', t("Shortcut icon"), get_config('system','shortcut_icon'),  t("Link to an icon that will be used for browsers.")),
 930                 '$touch_icon'           => array('touch_icon', t("Touch icon"), get_config('system','touch_icon'),  t("Link to an icon that will be used for tablets and mobiles.")),
 931                 '$info'                 => array('info',t('Additional Info'), $info, sprintf(t('For public servers: you can add additional information here that will be listed at %s/siteinfo.'), get_server())),
 932                 '$language'             => array('language', t("System language"), get_config('system','language'), "", $lang_choices),
 933                 '$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>"), $theme_choices),
 934                 '$theme_mobile'         => array('theme_mobile', t("Mobile system theme"), get_config('system','mobile-theme'), t("Theme for mobile devices"), $theme_choices_mobile),
 935                 '$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"), $ssl_choices),
 936                 '$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.")),
 937                 '$old_share'            => array('old_share', t("Old style 'Share'"), get_config('system','old_share'), t("Deactivates the bbcode element 'share' for repeating items.")),
 938                 '$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.")),
 939                 '$singleuser'           => array('singleuser', t("Single user instance"), get_config('system','singleuser'), t("Make this instance multi-user or single-user for the named user"), $user_names),
 940                 '$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.")),
 941                 '$maximagelength'       => array('maximagelength', t("Maximum image length"), get_config('system','max_image_length'), t("Maximum length in pixels of the longest side of uploaded images. Default is -1, which means no limits.")),
 942                 '$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.")),
 943
 944                 '$register_policy'      => array('register_policy', t("Register policy"), $a->config['register_policy'], "", $register_choices),
 945                 '$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.")),
 946                 '$register_text'        => array('register_text', t("Register text"), $a->config['register_text'], t("Will be displayed prominently on the registration page.")),
 947                 '$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.')),
 948                 '$allowed_sites'        => array('allowed_sites', t("Allowed friend domains"), get_config('system','allowed_sites'), t("Comma separated list of domains which are allowed to establish friendships with this site. Wildcards are accepted. Empty to allow any domains")),
 949                 '$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")),
 950                 '$block_public'         => array('block_public', t("Block public"), get_config('system','block_public'), t("Check to block public access to all otherwise public personal pages on this site unless you are currently logged in.")),
 951                 '$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.")),
 952                 '$global_directory'     => array('directory', t("Global directory URL"), get_config('system','directory'), t("URL to the global directory. If this is not set, the global directory is completely unavailable to the application.")),
 953                 '$thread_allow'         => array('thread_allow', t("Allow threaded items"), get_config('system','thread_allow'), t("Allow infinite level threading for items on this site.")),
 954                 '$newuser_private'      => array('newuser_private', t("Private posts by default for new users"), get_config('system','newuser_private'), t("Set default post permissions for all new members to the default privacy group rather than public.")),
 955                 '$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.")),
 956                 '$private_addons'       => array('private_addons', t("Disallow public access to addons listed in the apps menu."), get_config('config','private_addons'), t("Checking this box will restrict addons listed in the apps menu to members only.")),
 957                 '$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.")),
 958                 '$allow_users_remote_self' => array('allow_users_remote_self', t('Allow Users to set remote_self'), get_config('system','allow_users_remote_self'), t('With checking this, every user is allowed to mark every contact as a remote_self in the repair contact dialog. Setting this flag on a contact causes mirroring every posting of that contact in the users stream.')),
 959                 '$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.")),
 960                 '$no_openid'            => array('no_openid', t("OpenID support"), !get_config('system','no_openid'), t("OpenID support for registration and logins.")),
 961                 '$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")),
 962                 '$no_utf'               => array('no_utf', t("UTF-8 Regular expressions"), !get_config('system','no_utf'), t("Use PHP UTF8 regular expressions")),
 963                 '$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."), $community_page_style_choices),
 964                 '$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')")),
 965                 '$ostatus_disabled'     => array('ostatus_disabled', t("Enable OStatus support"), !get_config('system','ostatus_disabled'), t("Provide built-in OStatus \x28StatusNet, GNU Social etc.\x29 compatibility. All communications in OStatus are public, so privacy warnings will be occasionally displayed.")),
 966                 '$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."), $ostatus_poll_choices),
 967                 '$ostatus_full_threads' => array('ostatus_full_threads', t("Only import OStatus threads from our contacts"), get_config('system','ostatus_full_threads'), t("Normally we import every content from our OStatus contacts. With this option we only store threads that are started by a contact that is known on our system.")),
 968                 '$ostatus_not_able'     => t("OStatus support can only be enabled if threading is enabled."),
 969                 '$diaspora_able'        => $diaspora_able,
 970                 '$diaspora_not_able'    => t("Diaspora support can't be enabled because Friendica was installed into a sub directory."),
 971                 '$diaspora_enabled'     => array('diaspora_enabled', t("Enable Diaspora support"), get_config('system','diaspora_enabled'), t("Provide built-in Diaspora network compatibility.")),
 972                 '$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.")),
 973                 '$verifyssl'            => array('verifyssl', t("Verify SSL"), get_config('system','verifyssl'), t("If you wish, you can turn on strict certificate checking. This will mean you cannot connect (at all) to self-signed SSL sites.")),
 974                 '$proxyuser'            => array('proxyuser', t("Proxy user"), get_config('system','proxyuser'), ""),
 975                 '$proxy'                => array('proxy', t("Proxy URL"), get_config('system','proxy'), ""),
 976                 '$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).")),
 977                 '$delivery_interval'    => array('delivery_interval', t("Delivery interval"), (x(get_config('system','delivery_interval'))?get_config('system','delivery_interval'):2), t("Delay background delivery processes by this many seconds to reduce system load. Recommend: 4-5 for shared hosts, 2-3 for virtual private servers. 0-1 for large dedicated servers.")),
 978                 '$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.")),
 979                 '$maxloadavg'           => array('maxloadavg', t("Maximum Load Average"), ((intval(get_config('system','maxloadavg')) > 0)?get_config('system','maxloadavg'):50), t("Maximum system load before delivery and poll processes are deferred - default 50.")),
 980                 '$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.")),
 981                 '$optimize_max_tablesize'=> array('optimize_max_tablesize', t("Maximum table size for optimization"), ((intval(get_config('system','optimize_max_tablesize')) > 0)?get_config('system','optimize_max_tablesize'):100), t("Maximum table size (in MB) for the automatic optimization - default 100 MB. Enter -1 to disable it.")),
 982                 '$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%.")),
 983
 984                 '$poco_completion'      => array('poco_completion', t("Periodical check of global contacts"), get_config('system','poco_completion'), t("If enabled, the global contacts are checked periodically for missing or outdated data and the vitality of the contacts and servers.")),
 985                 '$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.")),
 986                 '$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'."), $poco_discovery_choices),
 987                 '$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."), $poco_discovery_since_choices),
 988                 '$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.")),
 989
 990                 '$nodeinfo'             => array('nodeinfo', t("Publish server information"), get_config('system','nodeinfo'), t("If enabled, general server and usage data will be published. The data contains the name and version of the server, number of users with public profiles, number of posts and the activated protocols and connectors. See <a href='http://the-federation.info/'>the-federation.info</a> for details.")),
 991
 992                 '$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.")),
 993                 '$suppress_language'    => array('suppress_language', t("Suppress Language"), get_config('system','suppress_language'), t("Suppress language information in meta information about a posting.")),
 994                 '$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.")),
 995                 '$itemcache'            => array('itemcache', t("Path to item cache"), get_config('system','itemcache'), t("The item caches buffers generated bbcode and external images.")),
 996                 '$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.")),
 997                 '$max_comments'         => array('max_comments', t("Maximum numbers of comments per post"), get_config('system','max_comments'), t("How much comments should be shown for each post? Default value is 100.")),
 998                 '$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.")),
 999                 '$temppath'             => array('temppath', t("Temp path"), get_config('system','temppath'), t("If you have a restricted system where the webserver can't access the system temp path, enter another path here.")),
1000                 '$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.")),
1001                 '$proxy_disabled'       => array('proxy_disabled', t("Disable picture proxy"), get_config('system','proxy_disabled'), t("The picture proxy increases performance and privacy. It shouldn't be used on systems with very low bandwith.")),
1002                 '$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.")),
1003                 '$only_tag_search'      => array('only_tag_search', t("Only search in tags"), get_config('system','only_tag_search'), t("On large systems the text search can slow down the system extremely.")),
1004
1005                 '$relocate_url'         => array('relocate_url', t("New base url"), $a->get_baseurl(), t("Change base url for this server. Sends relocate message to all DFRN contacts of all users.")),
1006
1007                 '$rino'                 => array('rino', t("RINO Encryption"), intval(get_config('system','rino_encrypt')), t("Encryption layer between nodes."), array("Disabled", "RINO1 (deprecated)", "RINO2")),
1008                 '$embedly'              => array('embedly', t("Embedly API key"), get_config('system','embedly'), t("<a href='http://embed.ly'>Embedly</a> is used to fetch additional data for web pages. This is an optional parameter.")),
1009
1010                 '$worker'               => array('worker', t("Enable 'worker' background processing"), get_config('system','worker'), t("The worker background processing limits the number of parallel background jobs to a maximum number and respects the system load.")),
1011                 '$worker_queues'        => array('worker_queues', t("Maximum number of parallel workers"), get_config('system','worker_queues'), t("On shared hosters set this to 2. On larger systems, values of 10 are great. Default value is 4.")),
1012                 '$worker_dont_fork'     => array('worker_dont_fork', t("Don't use 'proc_open' with the worker"), get_config('system','worker_dont_fork'), t("Enable this if your system doesn't allow the use of 'proc_open'. This can happen on shared hosters. If this is enabled you should increase the frequency of poller calls in your crontab.")),
1013
1014                 '$form_security_token'  => get_form_security_token("admin_site")
1015
1016         ));
1017
1018 }
1019
1020 /**
1021  * @brief Generates admin panel subpage for DB syncronization
1022  *
1023  * This page checks if the database of friendica is in sync with the specs.
1024  * Should this not be the case, it attemps to sync the structure and notifies
1025  * the admin if the automatic process was failing.
1026  *
1027  * The returned string holds the HTML code of the page.
1028  *
1029  * @param App $a
1030  * @return string
1031  **/
1032 function admin_page_dbsync(&$a) {
1033
1034         $o = '';
1035
1036         if($a->argc > 3 && intval($a->argv[3]) && $a->argv[2] === 'mark') {
1037                 set_config('database', 'update_'.intval($a->argv[3]), 'success');
1038                 $curr = get_config('system','build');
1039                 if(intval($curr) == intval($a->argv[3]))
1040                         set_config('system','build',intval($curr) + 1);
1041                 info(t('Update has been marked successful').EOL);
1042                 goaway('admin/dbsync');
1043         }
1044
1045         if(($a->argc > 2) AND (intval($a->argv[2]) OR ($a->argv[2] === 'check'))) {
1046                 require_once("include/dbstructure.php");
1047                 $retval = update_structure(false, true);
1048                 if(!$retval) {
1049                         $o .= sprintf(t("Database structure update %s was successfully applied."), DB_UPDATE_VERSION)."<br />";
1050                         set_config('database', 'dbupdate_'.DB_UPDATE_VERSION, 'success');
1051                 } else
1052                         $o .= sprintf(t("Executing of database structure update %s failed with error: %s"),
1053                                         DB_UPDATE_VERSION, $retval)."<br />";
1054                 if($a->argv[2] === 'check')
1055                         return $o;
1056         }
1057
1058         if($a->argc > 2 && intval($a->argv[2])) {
1059                 require_once('update.php');
1060                 $func = 'update_'.intval($a->argv[2]);
1061                 if(function_exists($func)) {
1062                         $retval = $func();
1063                         if($retval === UPDATE_FAILED) {
1064                                 $o .= sprintf(t("Executing %s failed with error: %s"), $func, $retval);
1065                         }
1066                         elseif($retval === UPDATE_SUCCESS) {
1067                                 $o .= sprintf(t('Update %s was successfully applied.', $func));
1068                                 set_config('database',$func, 'success');
1069                         }
1070                         else
1071                                 $o .= sprintf(t('Update %s did not return a status. Unknown if it succeeded.'), $func);
1072                 } else {
1073                         $o .= sprintf(t('There was no additional update function %s that needed to be called.'), $func)."<br />";
1074                         set_config('database',$func, 'success');
1075                 }
1076                 return $o;
1077         }
1078
1079         $failed = array();
1080         $r = q("select k, v from config where `cat` = 'database' ");
1081         if(count($r)) {
1082                 foreach($r as $rr) {
1083                         $upd = intval(substr($rr['k'],7));
1084                         if($upd < 1139 || $rr['v'] === 'success')
1085                                 continue;
1086                         $failed[] = $upd;
1087                 }
1088         }
1089         if(! count($failed)) {
1090                 $o = replace_macros(get_markup_template('structure_check.tpl'),array(
1091                         '$base' => $a->get_baseurl(true),
1092                         '$banner' => t('No failed updates.'),
1093                         '$check' => t('Check database structure'),
1094                 ));
1095         } else {
1096                 $o = replace_macros(get_markup_template('failed_updates.tpl'),array(
1097                         '$base' => $a->get_baseurl(true),
1098                         '$banner' => t('Failed Updates'),
1099                         '$desc' => t('This does not include updates prior to 1139, which did not return a status.'),
1100                         '$mark' => t('Mark success (if update was manually applied)'),
1101                         '$apply' => t('Attempt to execute this update step automatically'),
1102                         '$failed' => $failed
1103                 ));
1104         }
1105
1106         return $o;
1107
1108 }
1109
1110 /**
1111  * @brief Process data send by Users admin page
1112  *
1113  * @param App $a
1114  */
1115 function admin_page_users_post(&$a){
1116         $pending        =       (x($_POST, 'pending')                   ? $_POST['pending']             : array());
1117         $users          =       (x($_POST, 'user')                      ? $_POST['user']                : array());
1118         $nu_name        =       (x($_POST, 'new_user_name')             ? $_POST['new_user_name']       : '');
1119         $nu_nickname    =       (x($_POST, 'new_user_nickname') ? $_POST['new_user_nickname']   : '');
1120         $nu_email       =       (x($_POST, 'new_user_email')            ? $_POST['new_user_email']      : '');
1121
1122         check_form_security_token_redirectOnErr('/admin/users', 'admin_users');
1123
1124         if(!($nu_name==="") && !($nu_email==="") && !($nu_nickname==="")) {
1125                 require_once('include/user.php');
1126
1127                 $result = create_user(array('username'=>$nu_name, 'email'=>$nu_email, 'nickname'=>$nu_nickname, 'verified'=>1));
1128                 if(! $result['success']) {
1129                         notice($result['message']);
1130                         return;
1131                 }
1132                 $nu = $result['user'];
1133                 $preamble = deindent(t('
1134                         Dear %1$s,
1135                                 the administrator of %2$s has set up an account for you.'));
1136                 $body = deindent(t('
1137                         The login details are as follows:
1138
1139                         Site Location:  %1$s
1140                         Login Name:             %2$s
1141                         Password:               %3$s
1142
1143                         You may change your password from your account "Settings" page after logging
1144                         in.
1145
1146                         Please take a few moments to review the other account settings on that page.
1147
1148                         You may also wish to add some basic information to your default profile
1149                         (on the "Profiles" page) so that other people can easily find you.
1150
1151                         We recommend setting your full name, adding a profile photo,
1152                         adding some profile "keywords" (very useful in making new friends) - and
1153                         perhaps what country you live in; if you do not wish to be more specific
1154                         than that.
1155
1156                         We fully respect your right to privacy, and none of these items are necessary.
1157                         If you are new and do not know anybody here, they may help
1158                         you to make some new and interesting friends.
1159
1160                         Thank you and welcome to %4$s.'));
1161
1162                 $preamble = sprintf($preamble, $nu['username'], $a->config['sitename']);
1163                 $body = sprintf($body, $a->get_baseurl(), $nu['email'], $result['password'], $a->config['sitename']);
1164
1165                 notification(array(
1166                         'type' => "SYSTEM_EMAIL",
1167                         'to_email' => $nu['email'],
1168                         'subject'=> sprintf(t('Registration details for %s'), $a->config['sitename']),
1169                         'preamble'=> $preamble,
1170                         'body' => $body));
1171
1172         }
1173
1174         if(x($_POST,'page_users_block')) {
1175                 foreach($users as $uid){
1176                         q("UPDATE `user` SET `blocked`=1-`blocked` WHERE `uid`=%s",
1177                                 intval($uid)
1178                         );
1179                 }
1180                 notice(sprintf(tt("%s user blocked/unblocked", "%s users blocked/unblocked", count($users)), count($users)));
1181         }
1182         if(x($_POST,'page_users_delete')) {
1183                 require_once("include/Contact.php");
1184                 foreach($users as $uid){
1185                         user_remove($uid);
1186                 }
1187                 notice(sprintf(tt("%s user deleted", "%s users deleted", count($users)), count($users)));
1188         }
1189
1190         if(x($_POST,'page_users_approve')) {
1191                 require_once("mod/regmod.php");
1192                 foreach($pending as $hash){
1193                         user_allow($hash);
1194                 }
1195         }
1196         if(x($_POST,'page_users_deny')) {
1197                 require_once("mod/regmod.php");
1198                 foreach($pending as $hash){
1199                         user_deny($hash);
1200                 }
1201         }
1202         goaway('admin/users');
1203         return; // NOTREACHED
1204 }
1205
1206 /**
1207  * @brief Admin panel subpage for User management
1208  *
1209  * This function generates the admin panel page for user management of the
1210  * node. It offers functionality to add/block/delete users and offers some
1211  * statistics about the userbase.
1212  *
1213  * The returned string holds the HTML code of the page.
1214  *
1215  * @param App $a
1216  * @return string
1217  */
1218 function admin_page_users(&$a){
1219         if($a->argc>2) {
1220                 $uid = $a->argv[3];
1221                 $user = q("SELECT username, blocked FROM `user` WHERE `uid`=%d", intval($uid));
1222                 if(count($user)==0) {
1223                         notice('User not found'.EOL);
1224                         goaway('admin/users');
1225                         return ''; // NOTREACHED
1226                 }
1227                 switch($a->argv[2]){
1228                         case "delete":{
1229                                 check_form_security_token_redirectOnErr('/admin/users', 'admin_users', 't');
1230                                 // delete user
1231                                 require_once("include/Contact.php");
1232                                 user_remove($uid);
1233
1234                                 notice(sprintf(t("User '%s' deleted"), $user[0]['username']).EOL);
1235                         }; break;
1236                         case "block":{
1237                                 check_form_security_token_redirectOnErr('/admin/users', 'admin_users', 't');
1238                                 q("UPDATE `user` SET `blocked`=%d WHERE `uid`=%s",
1239                                         intval(1-$user[0]['blocked']),
1240                                         intval($uid)
1241                                 );
1242                                 notice(sprintf(($user[0]['blocked']?t("User '%s' unblocked"):t("User '%s' blocked")) , $user[0]['username']).EOL);
1243                         }; break;
1244                 }
1245                 goaway('admin/users');
1246                 return ''; // NOTREACHED
1247
1248         }
1249
1250         /* get pending */
1251         $pending = q("SELECT `register`.*, `contact`.`name`, `user`.`email`
1252                                  FROM `register`
1253                                  LEFT JOIN `contact` ON `register`.`uid` = `contact`.`uid`
1254                                  LEFT JOIN `user` ON `register`.`uid` = `user`.`uid`;");
1255
1256
1257         /* get users */
1258         $total = q("SELECT count(*) as total FROM `user` where 1");
1259         if(count($total)) {
1260                 $a->set_pager_total($total[0]['total']);
1261                 $a->set_pager_itemspage(100);
1262         }
1263
1264         /* ordering */
1265         $valid_orders = array(
1266                 'contact.name',
1267                 'user.email',
1268                 'user.register_date',
1269                 'user.login_date',
1270                 'lastitem.lastitem_date',
1271                 'user.page-flags'
1272         );
1273
1274         $order = "contact.name";
1275         $order_direction = "+";
1276         if (x($_GET,'o')){
1277                 $new_order = $_GET['o'];
1278                 if ($new_order[0]==="-") {
1279                         $order_direction = "-";
1280                         $new_order = substr($new_order,1);
1281                 }
1282
1283                 if (in_array($new_order, $valid_orders)){
1284                         $order = $new_order;
1285                 }
1286                 if (x($_GET,'d')){
1287                         $new_direction = $_GET['d'];
1288
1289                 }
1290         }
1291         $sql_order = "`".str_replace('.','`.`',$order)."`";
1292         $sql_order_direction = ($order_direction==="+")?"ASC":"DESC";
1293
1294         $users = q("SELECT `user`.* , `contact`.`name` , `contact`.`url` , `contact`.`micro`, `lastitem`.`lastitem_date`, `user`.`account_expired`
1295                                 FROM
1296                                         (SELECT MAX(`item`.`changed`) as `lastitem_date`, `item`.`uid`
1297                                         FROM `item`
1298                                         WHERE `item`.`type` = 'wall'
1299                                         GROUP BY `item`.`uid`) AS `lastitem`
1300                                                  RIGHT OUTER JOIN `user` ON `user`.`uid` = `lastitem`.`uid`,
1301                                            `contact`
1302                                 WHERE
1303                                            `user`.`uid` = `contact`.`uid`
1304                                                 AND `user`.`verified` =1
1305                                         AND `contact`.`self` =1
1306                                 ORDER BY $sql_order $sql_order_direction LIMIT %d, %d
1307                                 ",
1308                                 intval($a->pager['start']),
1309                                 intval($a->pager['itemspage'])
1310                                 );
1311
1312         //echo "<pre>$users"; killme();
1313
1314         $adminlist = explode(",", str_replace(" ", "", $a->config['admin_email']));
1315         $_setup_users = function ($e) use ($adminlist){
1316                 $accounts = array(
1317                         t('Normal Account'),
1318                         t('Soapbox Account'),
1319                         t('Community/Celebrity Account'),
1320                                                 t('Automatic Friend Account')
1321                 );
1322                 $e['page-flags'] = $accounts[$e['page-flags']];
1323                 $e['register_date'] = relative_date($e['register_date']);
1324                 $e['login_date'] = relative_date($e['login_date']);
1325                 $e['lastitem_date'] = relative_date($e['lastitem_date']);
1326                 //$e['is_admin'] = ($e['email'] === $a->config['admin_email']);
1327                 $e['is_admin'] = in_array($e['email'], $adminlist);
1328                 $e['is_deletable'] = (intval($e['uid']) != local_user());
1329                 $e['deleted'] = ($e['account_removed']?relative_date($e['account_expires_on']):False);
1330                 return $e;
1331         };
1332         $users = array_map($_setup_users, $users);
1333
1334
1335         // Get rid of dashes in key names, Smarty3 can't handle them
1336         // and extracting deleted users
1337
1338         $tmp_users = array();
1339         $deleted = array();
1340
1341         while(count($users)) {
1342                 $new_user = array();
1343                 foreach(array_pop($users) as $k => $v) {
1344                         $k = str_replace('-','_',$k);
1345                         $new_user[$k] = $v;
1346                 }
1347                 if($new_user['deleted']) {
1348                         array_push($deleted, $new_user);
1349                 }
1350                 else {
1351                         array_push($tmp_users, $new_user);
1352                 }
1353         }
1354         //Reversing the two array, and moving $tmp_users to $users
1355         array_reverse($deleted);
1356         while(count($tmp_users)) {
1357                 array_push($users, array_pop($tmp_users));
1358         }
1359
1360         $th_users = array_map(null,
1361                 array(t('Name'), t('Email'), t('Register date'), t('Last login'), t('Last item'),  t('Account')),
1362                 $valid_orders
1363         );
1364
1365         $t = get_markup_template("admin_users.tpl");
1366         $o = replace_macros($t, array(
1367                 // strings //
1368                 '$title' => t('Administration'),
1369                 '$page' => t('Users'),
1370                 '$submit' => t('Add User'),
1371                 '$select_all' => t('select all'),
1372                 '$h_pending' => t('User registrations waiting for confirm'),
1373                 '$h_deleted' => t('User waiting for permanent deletion'),
1374                 '$th_pending' => array(t('Request date'), t('Name'), t('Email')),
1375                 '$no_pending' =>  t('No registrations.'),
1376                 '$approve' => t('Approve'),
1377                 '$deny' => t('Deny'),
1378                 '$delete' => t('Delete'),
1379                 '$block' => t('Block'),
1380                 '$unblock' => t('Unblock'),
1381                 '$siteadmin' => t('Site admin'),
1382                 '$accountexpired' => t('Account expired'),
1383
1384                 '$h_users' => t('Users'),
1385                 '$h_newuser' => t('New User'),
1386                 '$th_deleted' => array(t('Name'), t('Email'), t('Register date'), t('Last login'), t('Last item'), t('Deleted since')),
1387                 '$th_users' => $th_users,
1388                 '$order_users' => $order,
1389                 '$order_direction_users' => $order_direction,
1390
1391                 '$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?'),
1392                 '$confirm_delete' => t('The user {0} will be deleted!\n\nEverything this user has posted on this site will be permanently deleted!\n\nAre you sure?'),
1393
1394                 '$form_security_token' => get_form_security_token("admin_users"),
1395
1396                 // values //
1397                 '$baseurl' => $a->get_baseurl(true),
1398
1399                 '$pending' => $pending,
1400                 'deleted' => $deleted,
1401                 '$users' => $users,
1402                 '$newusername' => array('new_user_name', t("Name"), '', t("Name of the new user.")),
1403                 '$newusernickname' => array('new_user_nickname', t("Nickname"), '', t("Nickname of the new user.")),
1404                 '$newuseremail' => array('new_user_email', t("Email"), '', t("Email address of the new user."), '', '', 'email'),
1405         ));
1406         $o .= paginate($a);
1407         return $o;
1408 }
1409
1410
1411 /**
1412  * @brief Plugins admin page
1413  *
1414  * This function generates the admin panel page for managing plugins on the
1415  * friendica node. If a plugin name is given a single page showing the details
1416  * for this addon is generated. If no name is given, a list of available
1417  * plugins is shown.
1418  *
1419  * The template used for displaying the list of plugins and the details of the
1420  * plugin are the same as used for the templates.
1421  *
1422  * The returned string returned hulds the HTML code of the page.
1423  *
1424  * @param App $a
1425  * @return string
1426  */
1427 function admin_page_plugins(&$a){
1428
1429         /*
1430          * Single plugin
1431          */
1432         if($a->argc == 3) {
1433                 $plugin = $a->argv[2];
1434                 if(!is_file("addon/$plugin/$plugin.php")) {
1435                         notice(t("Item not found."));
1436                         return '';
1437                 }
1438
1439                 if(x($_GET,"a") && $_GET['a']=="t") {
1440                         check_form_security_token_redirectOnErr('/admin/plugins', 'admin_themes', 't');
1441
1442                         // Toggle plugin status
1443                         $idx = array_search($plugin, $a->plugins);
1444                         if($idx !== false) {
1445                                 unset($a->plugins[$idx]);
1446                                 uninstall_plugin($plugin);
1447                                 info(sprintf(t("Plugin %s disabled."), $plugin));
1448                         } else {
1449                                 $a->plugins[] = $plugin;
1450                                 install_plugin($plugin);
1451                                 info(sprintf(t("Plugin %s enabled."), $plugin));
1452                         }
1453                         set_config("system","addon", implode(", ",$a->plugins));
1454                         goaway('admin/plugins');
1455                         return ''; // NOTREACHED
1456                 }
1457
1458                 // display plugin details
1459                 require_once('library/markdown.php');
1460
1461                 if(in_array($plugin, $a->plugins)) {
1462                         $status="on"; $action= t("Disable");
1463                 } else {
1464                         $status="off"; $action= t("Enable");
1465                 }
1466
1467                 $readme=Null;
1468                 if(is_file("addon/$plugin/README.md")) {
1469                         $readme = file_get_contents("addon/$plugin/README.md");
1470                         $readme = Markdown($readme);
1471                 } elseif(is_file("addon/$plugin/README")) {
1472                         $readme = "<pre>". file_get_contents("addon/$plugin/README") ."</pre>";
1473                 }
1474
1475                 $admin_form="";
1476                 if(is_array($a->plugins_admin) && in_array($plugin, $a->plugins_admin)) {
1477                         @require_once("addon/$plugin/$plugin.php");
1478                         $func = $plugin.'_plugin_admin';
1479                         $func($a, $admin_form);
1480                 }
1481
1482                 $t = get_markup_template("admin_plugins_details.tpl");
1483
1484                 return replace_macros($t, array(
1485                         '$title' => t('Administration'),
1486                         '$page' => t('Plugins'),
1487                         '$toggle' => t('Toggle'),
1488                         '$settings' => t('Settings'),
1489                         '$baseurl' => $a->get_baseurl(true),
1490
1491                         '$plugin' => $plugin,
1492                         '$status' => $status,
1493                         '$action' => $action,
1494                         '$info' => get_plugin_info($plugin),
1495                         '$str_author' => t('Author: '),
1496                         '$str_maintainer' => t('Maintainer: '),
1497
1498                         '$admin_form' => $admin_form,
1499                         '$function' => 'plugins',
1500                         '$screenshot' => '',
1501                         '$readme' => $readme,
1502
1503                         '$form_security_token' => get_form_security_token("admin_themes"),
1504                 ));
1505         }
1506
1507
1508
1509         /*
1510          * List plugins
1511          */
1512
1513         if(x($_GET,"a") && $_GET['a']=="r") {
1514                 check_form_security_token_redirectOnErr($a->get_baseurl().'/admin/plugins', 'admin_themes', 't');
1515                 reload_plugins();
1516                 info("Plugins reloaded");
1517                 goaway($a->get_baseurl().'/admin/plugins');
1518         }
1519
1520         $plugins = array();
1521         $files = glob("addon/*/");
1522         if($files) {
1523                 foreach($files as $file) {
1524                         if(is_dir($file)) {
1525                                 list($tmp, $id)=array_map("trim", explode("/",$file));
1526                                 $info = get_plugin_info($id);
1527                                 $show_plugin = true;
1528
1529                                 // If the addon is unsupported, then only show it, when it is enabled
1530                                 if((strtolower($info["status"]) == "unsupported") AND !in_array($id,  $a->plugins))
1531                                         $show_plugin = false;
1532
1533                                 // Override the above szenario, when the admin really wants to see outdated stuff
1534                                 if(get_config("system", "show_unsupported_addons"))
1535                                         $show_plugin = true;
1536
1537                                 if($show_plugin)
1538                                         $plugins[] = array($id, (in_array($id,  $a->plugins)?"on":"off") , $info);
1539                         }
1540                 }
1541         }
1542
1543         $t = get_markup_template("admin_plugins.tpl");
1544         return replace_macros($t, array(
1545                 '$title' => t('Administration'),
1546                 '$page' => t('Plugins'),
1547                 '$submit' => t('Save Settings'),
1548                 '$reload' => t('Reload active plugins'),
1549                 '$baseurl' => $a->get_baseurl(true),
1550                 '$function' => 'plugins',
1551                 '$plugins' => $plugins,
1552                 '$pcount' => count($plugins),
1553                 '$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'),
1554                 '$form_security_token' => get_form_security_token("admin_themes"),
1555         ));
1556 }
1557
1558 /**
1559  * @param array $themes
1560  * @param string $th
1561  * @param int $result
1562  */
1563 function toggle_theme(&$themes,$th,&$result) {
1564         for($x = 0; $x < count($themes); $x ++) {
1565                 if($themes[$x]['name'] === $th) {
1566                         if($themes[$x]['allowed']) {
1567                                 $themes[$x]['allowed'] = 0;
1568                                 $result = 0;
1569                         }
1570                         else {
1571                                 $themes[$x]['allowed'] = 1;
1572                                 $result = 1;
1573                         }
1574                 }
1575         }
1576 }
1577
1578 /**
1579  * @param array $themes
1580  * @param string $th
1581  * @return int
1582  */
1583 function theme_status($themes,$th) {
1584         for($x = 0; $x < count($themes); $x ++) {
1585                 if($themes[$x]['name'] === $th) {
1586                         if($themes[$x]['allowed']) {
1587                                 return 1;
1588                         }
1589                         else {
1590                                 return 0;
1591                         }
1592                 }
1593         }
1594         return 0;
1595 }
1596
1597
1598 /**
1599  * @param array $themes
1600  * @return string
1601  */
1602 function rebuild_theme_table($themes) {
1603         $o = '';
1604         if(count($themes)) {
1605                 foreach($themes as $th) {
1606                         if($th['allowed']) {
1607                                 if(strlen($o))
1608                                         $o .= ',';
1609                                 $o .= $th['name'];
1610                         }
1611                 }
1612         }
1613         return $o;
1614 }
1615
1616
1617 /**
1618  * @brief Themes admin page
1619  *
1620  * This function generates the admin panel page to control the themes available
1621  * on the friendica node. If the name of a theme is given as parameter a page
1622  * with the details for the theme is shown. Otherwise a list of available
1623  * themes is generated.
1624  *
1625  * The template used for displaying the list of themes and the details of the
1626  * themes are the same as used for the plugins.
1627  *
1628  * The returned string contains the HTML code of the admin panel page.
1629  *
1630  * @param App $a
1631  * @return string
1632  */
1633 function admin_page_themes(&$a){
1634
1635         $allowed_themes_str = get_config('system','allowed_themes');
1636         $allowed_themes_raw = explode(',',$allowed_themes_str);
1637         $allowed_themes = array();
1638         if(count($allowed_themes_raw))
1639                 foreach($allowed_themes_raw as $x)
1640                         if(strlen(trim($x)))
1641                                 $allowed_themes[] = trim($x);
1642
1643         $themes = array();
1644         $files = glob('view/theme/*');
1645         if($files) {
1646                 foreach($files as $file) {
1647                         $f = basename($file);
1648                         $is_experimental = intval(file_exists($file.'/experimental'));
1649                         $is_supported = 1-(intval(file_exists($file.'/unsupported')));
1650                         $is_allowed = intval(in_array($f,$allowed_themes));
1651
1652                         if($is_allowed OR $is_supported OR get_config("system", "show_unsupported_themes"))
1653                                 $themes[] = array('name' => $f, 'experimental' => $is_experimental, 'supported' => $is_supported, 'allowed' => $is_allowed);
1654                 }
1655         }
1656
1657         if(! count($themes)) {
1658                 notice(t('No themes found.'));
1659                 return '';
1660         }
1661
1662         /*
1663          * Single theme
1664          */
1665
1666         if($a->argc == 3) {
1667                 $theme = $a->argv[2];
1668                 if(! is_dir("view/theme/$theme")) {
1669                         notice(t("Item not found."));
1670                         return '';
1671                 }
1672
1673                 if(x($_GET,"a") && $_GET['a']=="t") {
1674                         check_form_security_token_redirectOnErr('/admin/themes', 'admin_themes', 't');
1675
1676                         // Toggle theme status
1677
1678                         toggle_theme($themes,$theme,$result);
1679                         $s = rebuild_theme_table($themes);
1680                         if($result) {
1681                                 install_theme($theme);
1682                                 info(sprintf('Theme %s enabled.',$theme));
1683                         }
1684                         else {
1685                                 uninstall_theme($theme);
1686                                 info(sprintf('Theme %s disabled.',$theme));
1687                         }
1688
1689                         set_config('system','allowed_themes',$s);
1690                         goaway('admin/themes');
1691                         return ''; // NOTREACHED
1692                 }
1693
1694                 // display theme details
1695                 require_once('library/markdown.php');
1696
1697                 if(theme_status($themes,$theme)) {
1698                         $status="on"; $action= t("Disable");
1699                 } else {
1700                         $status="off"; $action= t("Enable");
1701                 }
1702
1703                 $readme=Null;
1704                 if(is_file("view/theme/$theme/README.md")) {
1705                         $readme = file_get_contents("view/theme/$theme/README.md");
1706                         $readme = Markdown($readme);
1707                 } elseif(is_file("view/theme/$theme/README")) {
1708                         $readme = "<pre>". file_get_contents("view/theme/$theme/README") ."</pre>";
1709                 }
1710
1711                 $admin_form="";
1712                 if(is_file("view/theme/$theme/config.php")) {
1713                         function __get_theme_admin_form(&$a, $theme) {
1714                                 $orig_theme = $a->theme;
1715                                 $orig_page = $a->page;
1716                                 $orig_session_theme = $_SESSION['theme'];
1717                                 require_once("view/theme/$theme/theme.php");
1718                                 require_once("view/theme/$theme/config.php");
1719                                 $_SESSION['theme'] = $theme;
1720
1721
1722                                 $init = $theme."_init";
1723                                 if(function_exists($init)) $init($a);
1724                                 if(function_exists("theme_admin")) {
1725                                         $admin_form = theme_admin($a);
1726                                 }
1727
1728                                 $_SESSION['theme'] = $orig_session_theme;
1729                                 $a->theme = $orig_theme;
1730                                 $a->page = $orig_page;
1731                                 return $admin_form;
1732                         }
1733                         $admin_form = __get_theme_admin_form($a, $theme);
1734                 }
1735
1736                 $screenshot = array(get_theme_screenshot($theme), t('Screenshot'));
1737                 if(! stristr($screenshot[0],$theme))
1738                         $screenshot = null;
1739
1740
1741                 $t = get_markup_template("admin_plugins_details.tpl");
1742                 return replace_macros($t, array(
1743                         '$title' => t('Administration'),
1744                         '$page' => t('Themes'),
1745                         '$toggle' => t('Toggle'),
1746                         '$settings' => t('Settings'),
1747                         '$baseurl' => $a->get_baseurl(true),
1748                         '$plugin' => $theme,
1749                         '$status' => $status,
1750                         '$action' => $action,
1751                         '$info' => get_theme_info($theme),
1752                         '$function' => 'themes',
1753                         '$admin_form' => $admin_form,
1754                         '$str_author' => t('Author: '),
1755                         '$str_maintainer' => t('Maintainer: '),
1756                         '$screenshot' => $screenshot,
1757                         '$readme' => $readme,
1758
1759                         '$form_security_token' => get_form_security_token("admin_themes"),
1760                 ));
1761         }
1762
1763
1764         // reload active themes
1765         if(x($_GET,"a") && $_GET['a']=="r") {
1766                 check_form_security_token_redirectOnErr($a->get_baseurl().'/admin/themes', 'admin_themes', 't');
1767                 if($themes) {
1768                         foreach($themes as $th) {
1769                                 if($th['allowed']) {
1770                                         uninstall_theme($th['name']);
1771                                         install_theme($th['name']);
1772                                 }
1773                         }
1774                 }
1775                 info("Themes reloaded");
1776                 goaway($a->get_baseurl().'/admin/themes');
1777         }
1778
1779         /*
1780          * List themes
1781          */
1782
1783         $xthemes = array();
1784         if($themes) {
1785                 foreach($themes as $th) {
1786                         $xthemes[] = array($th['name'],(($th['allowed']) ? "on" : "off"), get_theme_info($th['name']));
1787                 }
1788         }
1789
1790
1791         $t = get_markup_template("admin_plugins.tpl");
1792         return replace_macros($t, array(
1793                 '$title' => t('Administration'),
1794                 '$page' => t('Themes'),
1795                 '$submit' => t('Save Settings'),
1796                 '$reload' => t('Reload active themes'),
1797                 '$baseurl' => $a->get_baseurl(true),
1798                 '$function' => 'themes',
1799                 '$plugins' => $xthemes,
1800                 '$pcount' => count($themes),
1801                 '$noplugshint' => sprintf(t('No themes found on the system. They should be paced in %1$s'),'<code>/view/themes</code>'),
1802                 '$experimental' => t('[Experimental]'),
1803                 '$unsupported' => t('[Unsupported]'),
1804                 '$form_security_token' => get_form_security_token("admin_themes"),
1805         ));
1806 }
1807
1808
1809 /**
1810  * @brief Prosesses data send by Logs admin page
1811  *
1812  * @param App $a
1813  */
1814 function admin_page_logs_post(&$a) {
1815         if(x($_POST,"page_logs")) {
1816                 check_form_security_token_redirectOnErr('/admin/logs', 'admin_logs');
1817
1818                 $logfile        =       ((x($_POST,'logfile'))          ? notags(trim($_POST['logfile']))       : '');
1819                 $debugging      =       ((x($_POST,'debugging'))        ? true                                  : false);
1820                 $loglevel       =       ((x($_POST,'loglevel'))         ? intval(trim($_POST['loglevel']))      : 0);
1821
1822                 set_config('system','logfile', $logfile);
1823                 set_config('system','debugging',  $debugging);
1824                 set_config('system','loglevel', $loglevel);
1825         }
1826
1827         info(t("Log settings updated."));
1828         goaway('admin/logs');
1829         return; // NOTREACHED
1830 }
1831
1832 /**
1833  * @brief Generates admin panel subpage for configuration of the logs
1834  *
1835  * This function take the view/templates/admin_logs.tpl file and generates a
1836  * page where admin can configure the logging of friendica.
1837  *
1838  * Displaying the log is separated from the log config as the logfile can get
1839  * big depending on the settings and changing settings regarding the logs can
1840  * thus waste bandwidth.
1841  *
1842  * The string returned contains the content of the template file with replaced
1843  * macros.
1844  *
1845  * @param App $a
1846  * @return string
1847  */
1848 function admin_page_logs(&$a){
1849
1850         $log_choices = array(
1851                 LOGGER_NORMAL => 'Normal',
1852                 LOGGER_TRACE => 'Trace',
1853                 LOGGER_DEBUG => 'Debug',
1854                 LOGGER_DATA => 'Data',
1855                 LOGGER_ALL => 'All'
1856         );
1857
1858         $t = get_markup_template("admin_logs.tpl");
1859
1860         return replace_macros($t, array(
1861                 '$title' => t('Administration'),
1862                 '$page' => t('Logs'),
1863                 '$submit' => t('Save Settings'),
1864                 '$clear' => t('Clear'),
1865                 '$baseurl' => $a->get_baseurl(true),
1866                 '$logname' =>  get_config('system','logfile'),
1867
1868                 // name, label, value, help string, extra data...
1869                 '$debugging' => array('debugging', t("Enable Debugging"),get_config('system','debugging'), ""),
1870                 '$logfile' => array('logfile', t("Log file"), get_config('system','logfile'), t("Must be writable by web server. Relative to your Friendica top-level directory.")),
1871                 '$loglevel' => array('loglevel', t("Log level"), get_config('system','loglevel'), "", $log_choices),
1872
1873                 '$form_security_token' => get_form_security_token("admin_logs"),
1874                 '$phpheader' => t("PHP logging"),
1875                 '$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."),
1876                 '$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');",
1877         ));
1878 }
1879
1880 /**
1881  * @brief Generates admin panel subpage to view the Friendica log
1882  *
1883  * This function loads the template view/templates/admin_viewlogs.tpl to
1884  * display the systemlog content. The filename for the systemlog of friendica
1885  * is relative to the base directory and taken from the config entry 'logfile'
1886  * in the 'system' category.
1887  *
1888  * Displaying the log is separated from the log config as the logfile can get
1889  * big depending on the settings and changing settings regarding the logs can
1890  * thus waste bandwidth.
1891  *
1892  * The string returned contains the content of the template file with replaced
1893  * macros.
1894  *
1895  * @param App $a
1896  * @return string
1897  */
1898 function admin_page_viewlogs(&$a){
1899         $t = get_markup_template("admin_viewlogs.tpl");
1900         $f = get_config('system','logfile');
1901         $data = '';
1902
1903         if(!file_exists($f)) {
1904                 $data = t("Error trying to open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f exist and is readable.");
1905         }
1906         else {
1907                 $fp = fopen($f, 'r');
1908                 if(!$fp) {
1909                         $data = t("Couldn't open <strong>$f</strong> log file.\r\n<br/>Check to see if file $f is readable.");
1910                 }
1911                 else {
1912                         $fstat = fstat($fp);
1913                         $size = $fstat['size'];
1914                         if($size != 0) {
1915                                 if($size > 5000000 || $size < 0)
1916                                         $size = 5000000;
1917                                 $seek = fseek($fp,0-$size,SEEK_END);
1918                                 if($seek === 0) {
1919                                         $data = escape_tags(fread($fp,$size));
1920                                         while(! feof($fp))
1921                                                 $data .= escape_tags(fread($fp,4096));
1922                                 }
1923                         }
1924                         fclose($fp);
1925                 }
1926         }
1927         return replace_macros($t, array(
1928                 '$title' => t('Administration'),
1929                 '$page' => t('View Logs'),
1930                 '$data' => $data,
1931                 '$logname' =>  get_config('system','logfile')
1932         ));
1933 }
1934
1935 /**
1936  * @brief Prosesses data send by the features admin page
1937  *
1938  * @param App $a
1939  */
1940 function admin_page_features_post(&$a) {
1941
1942         check_form_security_token_redirectOnErr('/admin/features', 'admin_manage_features');
1943
1944         logger('postvars: '.print_r($_POST,true),LOGGER_DATA);
1945
1946         $arr = array();
1947         $features = get_features(false);
1948
1949         foreach($features as $fname => $fdata) {
1950                 foreach(array_slice($fdata,1) as $f) {
1951                         $feature = $f[0];
1952                         $feature_state = 'feature_'.$feature;
1953                         $featurelock = 'featurelock_'.$feature;
1954
1955                         if(x($_POST[$feature_state]))
1956                                 $val = intval($_POST['feature_'.$feature]);
1957                         else
1958                                 $val = 0;
1959                         set_config('feature',$feature,$val);
1960
1961                         if(x($_POST[$featurelock]))
1962                                 set_config('feature_lock',$feature,$val);
1963                         else
1964                                 del_config('feature_lock',$feature);
1965                 }
1966         }
1967
1968         goaway('admin/features');
1969         return; // NOTREACHED
1970 }
1971
1972 /**
1973  * @brief Subpage for global additional feature management
1974  *
1975  * This functin generates the subpage 'Manage Additional Features'
1976  * for the admin panel. At this page the admin can set preferences
1977  * for the user settings of the 'additional features'. If needed this
1978  * preferences can be locked through the admin.
1979  *
1980  * The returned string contains the HTML code of the subpage 'Manage
1981  * Additional Features'
1982  *
1983  * @param App $a
1984  * @return string
1985  */
1986 function admin_page_features(&$a) {
1987
1988         if((argc() > 1) && (argv(1) === 'features')) {
1989                 $arr = array();
1990                 $features = get_features(false);
1991
1992                 foreach($features as $fname => $fdata) {
1993                         $arr[$fname] = array();
1994                         $arr[$fname][0] = $fdata[0];
1995                         foreach(array_slice($fdata,1) as $f) {
1996
1997                                 $set = get_config('feature',$f[0]);
1998                                 if($set === false)
1999                                         $set = $f[3];
2000                                 $arr[$fname][1][] = array(
2001                                         array('feature_' .$f[0],$f[1],$set,$f[2],array(t('Off'),t('On'))),
2002                                         array('featurelock_' .$f[0],sprintf(t('Lock feature %s'),$f[1]),(($f[4] !== false) ? "1" : ''),'',array(t('Off'),t('On')))
2003                                 );
2004                         }
2005                 }
2006
2007                 $tpl = get_markup_template("admin_settings_features.tpl");
2008                 $o .= replace_macros($tpl, array(
2009                         '$form_security_token' => get_form_security_token("admin_manage_features"),
2010                         '$title' => t('Manage Additional Features'),
2011                         '$features' => $arr,
2012                         '$submit' => t('Save Settings'),
2013                 ));
2014
2015                 return $o;
2016         }
2017 }