2e4e89aff8
Warn if RSS-Bridge cannot write to disk. Try/Catch the bridge RSS generation. Signed-off-by: teromene <teromene@teromene.fr>
302 lines
9.2 KiB
PHP
302 lines
9.2 KiB
PHP
<?php
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/*
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TODO :
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- manage SSL detection because if library isn't loaded, some bridge crash !
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- factorize the annotation system
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- factorize to adapter : Format, Bridge, Cache (actually code is almost the same)
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- implement annotation cache for entrance page
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- Cache : I think logic must be change as least to avoid to reconvert object from json in FileCache case.
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- add namespace to avoid futur problem ?
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- see FIXME mentions in the code
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- implement header('X-Cached-Version: '.date(DATE_ATOM, filemtime($cachefile)));
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*/
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date_default_timezone_set('UTC');
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error_reporting(0);
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//ini_set('display_errors','1'); error_reporting(E_ALL); // For debugging only.
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// extensions check
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if (!extension_loaded('openssl'))
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die('"openssl" extension not loaded. Please check "php.ini"');
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// FIXME : beta test UA spoofing, please report any blacklisting by PHP-fopen-unfriendly websites
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ini_set('user_agent', 'Mozilla/5.0 (X11; Linux x86_64; rv:30.0) Gecko/20121202 Firefox/30.0 (rss-bridge/0.1; +https://github.com/sebsauvage/rss-bridge)');
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// -------
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// cache file purge - delete cache files older than 24 hours
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$cacheTimeLimit = time() - 60*60*24 ;
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$cachePath = 'cache';
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if(file_exists($cachePath)) {
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$cacheIterator = new RecursiveIteratorIterator(
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new RecursiveDirectoryIterator($cachePath),
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RecursiveIteratorIterator::CHILD_FIRST
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);
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foreach ($cacheIterator as $cacheFile) {
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if (in_array($cacheFile->getBasename(), array('.', '..')))
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continue;
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elseif ($cacheFile->isFile()) {
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if( filemtime($cacheFile->getPathname()) < $cacheTimeLimit )
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unlink( $cacheFile->getPathname() );
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}
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}
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}
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// default whitelist
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$whitelist_file = './whitelist.txt';
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$whitelist_default = array(
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"BandcampBridge",
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"CryptomeBridge",
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"DansTonChatBridge",
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"DuckDuckGoBridge",
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"FacebookBridge",
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"FlickrExploreBridge",
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"GooglePlusPostBridge",
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"GoogleSearchBridge",
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"IdenticaBridge",
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"InstagramBridge",
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"OpenClassroomsBridge",
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"PinterestBridge",
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"ScmbBridge",
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"TwitterBridge",
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"WikipediaENBridge",
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"WikipediaEOBridge",
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"WikipediaFRBridge",
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"YoutubeBridge");
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if (!file_exists($whitelist_file)) {
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$whitelist_selection = $whitelist_default;
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$whitelist_write = implode("\n", $whitelist_default);
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file_put_contents($whitelist_file, $whitelist_write);
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}
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else {
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$whitelist_selection = explode("\n", file_get_contents($whitelist_file));
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array_pop($whitelist_selection);
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}
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// whitelist control function
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function BridgeWhitelist( $whitelist, $name ) {
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if(in_array("$name", $whitelist) or in_array("$name.php", $whitelist))
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return TRUE;
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else
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return FALSE;
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}
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try{
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require_once __DIR__ . '/lib/RssBridge.php';
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Bridge::setDir(__DIR__ . '/bridges/');
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Format::setDir(__DIR__ . '/formats/');
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Cache::setDir(__DIR__ . '/caches/');
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if( isset($_REQUEST) && isset($_REQUEST['action']) ){
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switch($_REQUEST['action']){
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case 'display':
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if( isset($_REQUEST['bridge']) ){
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unset($_REQUEST['action']);
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$bridge = $_REQUEST['bridge'];
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unset($_REQUEST['bridge']);
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$format = $_REQUEST['format'];
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unset($_REQUEST['format']);
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// whitelist control
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if(!BridgeWhitelist($whitelist_selection, $bridge)) {
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throw new \HttpException('This bridge is not whitelisted', 401);
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die;
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}
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$cache = Cache::create('FileCache');
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// Data retrieval
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$bridge = Bridge::create($bridge);
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if(isset($_REQUEST["disable_cache"])) {
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} else {
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$bridge->setCache($cache); // just add disable cache to your query to disable caching
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}
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$bridge->setDatas($_REQUEST);
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$bridge->loadMetadatas();
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// Data transformation
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try {
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$format = Format::create($format);
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$format
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->setDatas($bridge->getDatas())
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->setExtraInfos(array(
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'name' => $bridge->getName(),
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'uri' => $bridge->getURI(),
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))
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->display();
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} catch(Exception $e) {
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echo "The brige has crashed. You should report this to the bridges maintainer";
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}
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die;
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}
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break;
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}
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}
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}
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catch(HttpException $e){
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header('HTTP/1.1 ' . $e->getCode() . ' ' . Http::getMessageForCode($e->getCode()));
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header('Content-Type: text/plain');
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die($e->getMessage());
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}
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catch(\Exception $e){
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die($e->getMessage());
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}
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function getHelperButtonFormat($value, $name){
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return '<button type="submit" name="format" value="' . $value . '">' . $name . '</button>';
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}
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function getHelperButtonsFormat($formats){
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$buttons = '';
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foreach( $formats as $name => $infos )
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{
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if ( isset($infos['name']) )
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{
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$buttons .= getHelperButtonFormat($name, $infos['name']) . PHP_EOL;
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}
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}
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return $buttons;
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}
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function displayBridgeCard($bridgeName, $formats, $isActive = true)
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{
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$bridgeElement = Bridge::create($bridgeName);
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if($bridgeElement == false) {
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return "";
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}
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$bridgeElement->loadMetadatas();
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$name = '<a href="'.$bridgeElement->uri.'">'.$bridgeElement->name.'</a>';
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$description = $bridgeElement->description;
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$card = <<<CARD
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<section id="bridge-{$bridgeName}" data-ref="{$bridgeName}">
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<h2>{$name}</h2>
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<p class="description">
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{$description}
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</p>
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CARD;
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// If we don't have any parameter for the bridge, we print a generic form to load it.
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if(count($bridgeElement->parameters) == 0) {
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$card .= '<form method="POST" action="?">
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<input type="hidden" name="action" value="display" />
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<input type="hidden" name="bridge" value="' . $bridgeName . '" />' . PHP_EOL;
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if ($isActive)
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{
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$card .= getHelperButtonsFormat($formats);
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}
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else
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{
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$card .= '<span style="font-weight: bold;">Inactive</span>';
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}
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$card .= '</form>' . PHP_EOL;
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}
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foreach($bridgeElement->parameters as $parameterName => $parameter)
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{
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$card .= '<ol class="list-use">' . PHP_EOL;
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$card .= '<h5>'.$parameterName.'</h5>' . PHP_EOL;
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$card .= '<form method="POST" action="?">
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<input type="hidden" name="action" value="display" />
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<input type="hidden" name="bridge" value="' . $bridgeName . '" />' . PHP_EOL;
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$parameter = json_decode($parameter, true);
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foreach($parameter as $inputEntry) {
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$idArg = 'arg-' . $bridgeName . '-' . $parameterName . '-' . $inputEntry['identifier'];
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$card .= '<label for="' .$idArg. '">' .$inputEntry['name']. ' : </label>' . PHP_EOL;
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if(!isset($inputEntry['type']) || $inputEntry['type'] == 'text') {
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$card .= '<input id="' . $idArg . '" type="text" value="" placeholder="' . $inputEntry['exampleValue'] . '" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
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} else if($inputEntry['type'] == 'number') {
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$card .= '<input id="' . $idArg . '" type="number" value="" placeholder="' . $inputEntry['exampleValue'] . '" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
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} else if($inputEntry['type'] == 'list') {
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$card .= '<select id="' . $idArg . '" name="' . $inputEntry['name'] . '" >';
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foreach($inputEntry['values'] as $listValues) {
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$card .= "<option value='" . $listValues['value'] . "'>" . $listValues['name'] . "</option>";
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}
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$card .= '</select><br >';
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} else if($inputEntry['type'] == 'checkbox') {
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$card .= '<input id="' . $idArg . '" type="checkbox" name="' . $inputEntry['identifier'] . '" /><br />' . PHP_EOL;
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}
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}
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if ($isActive)
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{
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$card .= getHelperButtonsFormat($formats);
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}
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else
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{
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$card .= '<span style="font-weight: bold;">Inactive</span>';
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}
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$card .= '</form>' . PHP_EOL;
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}
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$card .= '<span class="maintainer">'.$bridgeElement->maintainer.'</span>';
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$card .= '</section>';
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return $card;
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}
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$formats = Format::searchInformation();
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?>
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<meta name="description" content="Rss-bridge" />
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<title>RSS-Bridge</title>
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<link href="css/style.css" rel="stylesheet">
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<!--[if IE]>
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<script src="http://html5shiv.googlecode.com/svn/trunk/html5.js"></script>
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<![endif]-->
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</head>
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<body>
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<header>
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<h1>RSS-Bridge</h1>
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<h2>·Reconnecting the Web·</h2>
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</header>
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<?php
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$activeFoundBridgeCount = 0;
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$showInactive = isset($_REQUEST['show_inactive']) && $_REQUEST['show_inactive'] == 1;
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$inactiveBridges = '';
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foreach(Bridge::listBridges() as $bridgeName)
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{
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if(BridgeWhitelist($whitelist_selection, $bridgeName))
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{
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echo displayBridgeCard($bridgeName, $formats);
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$activeFoundBridgeCount++;
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}
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elseif ($showInactive)
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{
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// inactive bridges
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$inactiveBridges .= displayBridgeCard($bridgeName, $formats, false) . PHP_EOL;
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}
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}
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echo '<hr />' . $inactiveBridges;
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?>
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<footer>
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<?= $activeFoundBridgeCount; ?>/<?= count($whitelist_selection) ?> active bridges (<a href="?show_inactive=1">Show inactive</a>)<br />
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<a href="https://github.com/sebsauvage/rss-bridge">RSS-Bridge alpha 0.2 ~ Public Domain</a>
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</footer>
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</body>
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</html>
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