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<?php
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#--------------------------------------------------
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# Step 1: choose a magic word id
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#--------------------------------------------------
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# storing the chosen id in a constant is not required
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# but still good programming practice - it makes
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# searching for all occurrences of the magic word id a
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# bit easier - note that the name of the constant
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# and the value it is assigned don't have to have anthing
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# to do with each other.
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define('MAG_LOCALMOTD', 'localmotd');
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#---------------------------------------------------
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# Step 2: define some words to use in wiki markup
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#---------------------------------------------------
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$wgHooks['LanguageGetMagic'][] = 'wfLocalMotdWikiWords';
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function wfLocalMotdWikiWords(&$aWikiWords, $langID) {
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#tell MediaWiki that all {{NiftyVar}}, {{NIFTYVAR}},
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#{{CoolVar}}, {{COOLVAR}} and all case variants found
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#in wiki text should be mapped to magic id 'mycustomvar1'
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# (0 means case-insensitive)
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$aWikiWords[MAG_LOCALMOTD] = array(0, 'LocalMotd');
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#must do this or you will silence every LanguageGetMagic
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#hook after this!
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return true;
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}
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#---------------------------------------------------
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# Step 3: assign a value to our variable
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#---------------------------------------------------
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function toHtml($data) {
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return sprintf('<h3>%s</h3><p><em>Skrevet %s av %s</em></p><p>%s</p>',
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$data["title"], $data["date"], $data["user"], preg_replace('/@pvv\./', ' AT pvv.', $data["body"]));
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}
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function tolower($str) {
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return str_replace(
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array("\xc3\x86", "\xc3\x98", "\xc3\x85"), // ÆØÅ
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array("\xc3\xa6", "\xc3\xb8", "\xc3\xa5"), // æøå
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strtolower($str));
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}
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$wgHooks['ParserGetVariableValueSwitch'][] = 'wfLocalMotdAssignAValue';
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function wfLocalMotdAssignAValue(&$parser, &$cache, &$magicWordId, &$ret) {
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if (MAG_LOCALMOTD == $magicWordId) {
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// We found a value
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//$ret='This is a really silly value';
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//$ret = file_get_contents( '/local/etc/motd' );
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#$lines = file('/local/etc/motd');
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$lines = file('/usr/local/etc/motd');
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$data = array();
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$ret = "";
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foreach ($lines as $line) {
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if (preg_match('/^(\d{4})(\d\d)(\d\d) (.*)/', $line, $matches)) {
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if (count($data) > 0) {
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$ret .= toHtml($data);
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$data = array();
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}
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$data["date"] = $matches[1]."-".$matches[2]."-".$matches[3];
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$data["title"] = substr($matches[4], 0, 1).tolower(substr($matches[4], 1));
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$data["body"] = "";
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} elseif (preg_match('/^([a-z]+)\s+(.*)/', $line, $matches)) {
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$data["user"] = $matches[1];
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$data["body"] .= rtrim($matches[2]);
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} elseif (preg_match('/^\s*$/', $line)) {
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$data["body"] .= "\n\n";
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} else {
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$data["body"] .= rtrim($line);
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}
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}
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$ret .= toHtml($data);
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}
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// We must return true for two separate reasons:
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// 1. To permit further callbacks to run for this hook.
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// They might override our value but that's life.
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// Returning false would prevent these future callbacks from running.
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// 2. At the same time, "true" indicates we found a value.
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// Returning false would the set variable value to null.
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//
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// In other words, true means "we found a value AND other
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// callbacks will run," and false means "we didn't find a value
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// AND abort future callbacks." It's a shame these two meanings
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// are mixed in the same return value. So as a rule, return
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// true whether we found a value or not.
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return true;
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}
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#---------------------------------------------------
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# Step 4: register the custom variables so that it
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# shows up in Special:Version under the
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# listing of custom variables
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#---------------------------------------------------
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$wgExtensionCredits[MAG_LOCALMOTD][] = array(
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'name' => 'Local MOTD',
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'author' => 'Magnus Kristiansen',
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'url' => 'http://www.mediawiki.org/wiki/Extension:LocalMotd',
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'description' => 'Includes the motd from the filesystem'
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);
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#---------------------------------------------------
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# Step 5: register wiki markup words associated with
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# MAG_NIFTYVAR as a variable and not some
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# other type of magic word
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#---------------------------------------------------
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$wgHooks['MagicWordwgVariableIDs'][] = 'wfLocalMotdDeclareVarIds';
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function wfLocalMotdDeclareVarIds(&$aCustomVariableIds) {
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#aCustomVariableIds is where MediaWiki wants to store its
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#list of custom variable ids. We oblige by adding ours:
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$aCustomVariableIds[] = MAG_LOCALMOTD;
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#must do this or you will silence every MagicWordwgVariableIds
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#registered after this!
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return true;
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}
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<?php
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# Tidspunkt for neste nerdepizza
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define('PVV_NESTE_PIZZA_ID', 'pvv_neste_pizza');
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$wgHooks['LanguageGetMagic'][] = 'pvvMagicWords';
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function pvvMagicWords(&$magicWords, $lang) {
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$magicWords[PVV_NESTE_PIZZA_ID] = array(0, 'NestePizza');
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return true;
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}
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$wgHooks['ParserGetVariableValueSwitch'][] = 'pvvVariableValues';
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function pvvVariableValues(&$parser, &$cache, &$magicWordId, &$ret) {
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if ($magicWordId == PVV_NESTE_PIZZA_ID) {
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$ret = pvvNestePizza();
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}
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return true;
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}
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function pvvNestePizza() {
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$time = time();
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$week = date('W');
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$weekday = date('N');
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if ($week % 2 == 0 && $weekday <= 5) {
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$daysUntilPizza = 5 - $weekday;
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} elseif ($week % 2 == 0 && $weekday > 5) {
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$daysUntilPizza = 5 - $weekday + 14;
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} else {
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$daysUntilPizza = 5 - $weekday + 7;
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}
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$pizzaTime = $time + $daysUntilPizza*24*3600;
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return 'Neste nerdepizza er fredag '
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. date('d.m.Y', $pizzaTime)
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. ' (' . $daysUntilPizza . ' dager igjen).';
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}
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$wgExtensionCredits['variable'][] = array(
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'name' => 'NestePizza',
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'author' => 'Øystein Skartsæterhagen',
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'url' => 'http://wiki.pvv.ntnu.no/pvv/Nerdepizza',
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'description' => 'Gir datoen for neste nerdepizza'
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);
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$wgHooks['MagicWordwgVariableIDs'][] = 'pvvDeclareVarIds';
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function pvvDeclareVarIds(&$aCustomVariableIds) {
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$aCustomVariableIds[] = PVV_NESTE_PIZZA_ID;
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return true;
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}
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# Custom mediawiki extensions
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This is a repository to track PVVs custom mediawiki modules.
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They are currently not in use, but might be reinstated at a later date, or just used as a reference.
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<?php
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# Alert the user that this is not a valid entry point to MediaWiki if they try to access the special pages file directly.
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if (!defined('MEDIAWIKI')) {
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echo <<<EOT
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To install my extension, put the following line in LocalSettings.php:
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require_once( "\$IP/extensions/UserloginHTTPS/UserloginHTTPS.php" );
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EOT;
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exit( 1 );
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}
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$wgExtensionCredits['specialpage'][] = array(
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'name' => 'UserloginHTTPS',
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'author' => 'Magnus Kristiansen',
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'url' => 'http://www.mediawiki.org/wiki/Extension:UserloginHTTPS',
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'description' => 'Redirect Special:Userlogin to HTTPS if accessed via HTTP',
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'descriptionmsg' => 'userloginhttps-desc',
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'version' => '1.0.0',
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);
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$wgHooks['SpecialPage_initList'][] = 'ulh_overrideUserlogin';
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function ulh_overrideUserlogin(&$list) {
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global $ulh_originalData;
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$ulh_originalData = $list['Userlogin'];
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$list['Userlogin'] = array('SpecialPage', 'Userlogin', '', true, 'ulh_SpecialUserlogin', __FILE__);
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return true;
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}
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function ulh_SpecialUserlogin($par) {
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global $wgRequest, $wgOut, $ulh_originalData;
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$url = $wgRequest->getFullRequestURL();
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if (substr($url, 0, 5) == 'http:') {
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$new_url = 'https:' . substr($url, 5);
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$wgOut->redirect($new_url);
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return;
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}
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$rec = $ulh_originalData;
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if ( is_string( $rec ) ) {
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$className = $rec;
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$sp = new $className;
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} elseif ( is_array( $rec ) ) {
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$className = array_shift( $rec );
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$sp = wfCreateObject( $className, $rec );
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} else {
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$wgOut->showErrorPage('Internal error', 'Error in Userlogin override.');
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return;
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}
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require_once($sp->getFile());
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wfSpecialUserlogin($par);
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}
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?>
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