[add] show favicon of site
[add] fetch and cache favicon
This commit is contained in:
parent
f945bb9b05
commit
268682859a
5 changed files with 410 additions and 39 deletions
40
inc/DataAccess.php
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40
inc/DataAccess.php
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@ -0,0 +1,40 @@
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<?php
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namespace Favicon;
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/**
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* DataAccess is a wrapper used to read/write data locally or remotly
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* Aside from SOLID principles, this wrapper is also useful to mock remote resources in unit tests
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* Note: remote access warning are silenced because we don't care if a website is unreachable
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**/
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class DataAccess {
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public function retrieveUrl($url) {
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$this->set_context();
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return @file_get_contents($url);
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}
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public function retrieveHeader($url) {
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$this->set_context();
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return @get_headers($url, TRUE);
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}
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public function saveCache($file, $data) {
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file_put_contents($file, $data);
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}
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public function readCache($file) {
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return file_get_contents($file);
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}
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private function set_context() {
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stream_context_set_default(
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array(
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'http' => array(
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'method' => 'GET',
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'timeout' => 10,
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'header' => "User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:20.0; Favicon; +https://github.com/ArthurHoaro/favicon) Gecko/20100101 Firefox/32.0\r\n",
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)
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)
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);
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}
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}
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293
inc/Favicon.php
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293
inc/Favicon.php
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@ -0,0 +1,293 @@
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<?php
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namespace Favicon;
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class Favicon
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{
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protected $url = '';
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protected $cacheDir;
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protected $cacheTimeout;
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protected $dataAccess;
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public function __construct($args = array())
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{
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if (isset($args['url'])) {
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$this->url = $args['url'];
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}
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$this->cacheDir = __DIR__ . '/../../resources/cache';
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$this->dataAccess = new DataAccess();
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}
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public function cache($args = array()) {
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if (isset($args['dir'])) {
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$this->cacheDir = $args['dir'];
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}
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if (!empty($args['timeout'])) {
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$this->cacheTimeout = $args['timeout'];
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} else {
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$this->cacheTimeout = 0;
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}
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}
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public static function baseUrl($url, $path = false)
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{
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$return = '';
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if (!$url = parse_url($url)) {
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return FALSE;
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}
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// Scheme
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$scheme = isset($url['scheme']) ? strtolower($url['scheme']) : null;
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if ($scheme != 'http' && $scheme != 'https') {
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return FALSE;
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}
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$return .= "{$scheme}://";
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// Username and password
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if (isset($url['user'])) {
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$return .= $url['user'];
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if (isset($url['pass'])) {
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$return .= ":{$url['pass']}";
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}
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$return .= '@';
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}
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// Hostname
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if( !isset($url['host']) ) {
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return FALSE;
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}
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$return .= $url['host'];
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// Port
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if (isset($url['port'])) {
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$return .= ":{$url['port']}";
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}
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// Path
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if( $path && isset($url['path']) ) {
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$return .= $url['path'];
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}
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$return .= '/';
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return $return;
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}
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public function info($url)
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{
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if(empty($url) || $url === false) {
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return false;
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}
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$max_loop = 5;
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// Discover real status by following redirects.
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$loop = TRUE;
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while ($loop && $max_loop-- > 0) {
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$headers = $this->dataAccess->retrieveHeader($url);
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$exploded = explode(' ', $headers[0]);
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if( !isset($exploded[1]) ) {
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return false;
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}
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list(,$status) = $exploded;
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switch ($status) {
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case '301':
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case '302':
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$url = $headers['Location'];
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break;
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default:
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$loop = FALSE;
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break;
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}
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}
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return array('status' => $status, 'url' => $url);
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}
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public function endRedirect($url) {
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$out = $this->info($url);
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return !empty($out['url']) ? $out['url'] : false;
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}
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/**
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* Find remote (or cached) favicon
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* @return favicon URL, false if nothing was found
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**/
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public function get($url = '')
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{
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// URLs passed to this method take precedence.
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if (!empty($url)) {
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$this->url = $url;
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}
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// Get the base URL without the path for clearer concatenations.
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$original = rtrim($this->baseUrl($this->url, true), '/');
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$url = rtrim($this->endRedirect($this->baseUrl($this->url, false)), '/');
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if(($favicon = $this->checkCache($url)) || ($favicon = $this->getFavicon($url))) {
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$base = true;
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}
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elseif(($favicon = $this->checkCache($original)) || ($favicon = $this->getFavicon($original, false))) {
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$base = false;
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}
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else
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return false;
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// Save cache if necessary
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$cache = $this->cacheDir . '/' . md5($base ? $url : $original);
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if ($this->cacheTimeout && !file_exists($cache) || (is_writable($cache) && time() - filemtime($cache) > $this->cacheTimeout)) {
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$this->dataAccess->saveCache($cache, $favicon);
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}
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return $favicon;
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}
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private function getFavicon($url, $checkDefault = true) {
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$favicon = false;
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if(empty($url)) {
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return false;
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}
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// Try /favicon.ico first.
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if( $checkDefault ) {
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$info = $this->info("{$url}/favicon.ico");
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if ($info['status'] == '200') {
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$favicon = $info['url'];
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}
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}
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// See if it's specified in a link tag in domain url.
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if (!$favicon) {
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$favicon = $this->getInPage($url);
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}
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// Make sure the favicon is an absolute URL.
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if( $favicon && filter_var($favicon, FILTER_VALIDATE_URL) === false ) {
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$favicon = $url . '/' . $favicon;
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}
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// Sometimes people lie, so check the status.
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// And sometimes, it's not even an image. Sneaky bastards!
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// If cacheDir isn't writable, that's not our problem
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if ($favicon && is_writable($this->cacheDir) && !$this->checkImageMType($favicon)) {
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$favicon = false;
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}
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return $favicon;
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}
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private function getInPage($url) {
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$html = $this->dataAccess->retrieveUrl("{$url}/");
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preg_match('!<head.*?>.*</head>!ims', $html, $match);
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if(empty($match) || count($match) == 0) {
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return false;
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}
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$head = $match[0];
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$dom = new \DOMDocument();
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// Use error supression, because the HTML might be too malformed.
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if (@$dom->loadHTML($head)) {
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$links = $dom->getElementsByTagName('link');
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foreach ($links as $link) {
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if ($link->hasAttribute('rel') && strtolower($link->getAttribute('rel')) == 'shortcut icon') {
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return $link->getAttribute('href');
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} elseif ($link->hasAttribute('rel') && strtolower($link->getAttribute('rel')) == 'icon') {
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return $link->getAttribute('href');
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} elseif ($link->hasAttribute('href') && strpos($link->getAttribute('href'), 'favicon') !== FALSE) {
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return $link->getAttribute('href');
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}
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}
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}
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return false;
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}
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private function checkCache($url) {
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if ($this->cacheTimeout) {
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$cache = $this->cacheDir . '/' . md5($url);
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if (file_exists($cache) && is_readable($cache) && (time() - filemtime($cache) < $this->cacheTimeout)) {
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return $this->dataAccess->readCache($cache);
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}
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}
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return false;
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}
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private function checkImageMType($url) {
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$tmpFile = $this->cacheDir . '/tmp.ico';
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$fileContent = $this->dataAccess->retrieveUrl($url);
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$this->dataAccess->saveCache($tmpFile, $fileContent);
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$finfo = finfo_open(FILEINFO_MIME_TYPE);
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$isImage = strpos(finfo_file($finfo, $tmpFile), 'image') !== false;
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finfo_close($finfo);
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unlink($tmpFile);
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return $isImage;
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}
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/**
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* @return mixed
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*/
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public function getCacheDir()
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{
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return $this->cacheDir;
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}
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/**
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* @param mixed $cacheDir
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*/
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public function setCacheDir($cacheDir)
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{
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$this->cacheDir = $cacheDir;
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}
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/**
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* @return mixed
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*/
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public function getCacheTimeout()
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{
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return $this->cacheTimeout;
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}
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/**
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* @param mixed $cacheTimeout
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*/
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public function setCacheTimeout($cacheTimeout)
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{
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$this->cacheTimeout = $cacheTimeout;
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}
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/**
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* @return string
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*/
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public function getUrl()
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{
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return $this->url;
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}
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/**
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* @param string $url
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*/
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public function setUrl($url)
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{
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$this->url = $url;
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}
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/**
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* @param DataAccess $dataAccess
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*/
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public function setDataAccess($dataAccess)
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{
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$this->dataAccess = $dataAccess;
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}
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}
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@ -69,9 +69,9 @@ h1 { font-size:20pt; font-weight:bold; font-style:italic; margin-bottom:20px; }
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/* Small tab on the left of each link with edit/delete buttons. */
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.button_edit, .button_delete { border-radius:0; box-shadow:none; border-style:none; border-width:0; padding:0; background:none; }
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.linkeditbuttons {
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position:absolute;
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left:-1px;
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.linkeditbuttons {
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position:absolute;
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left:-1px;
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padding:4px 2px 2px 2px;
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background-color:#f0f0f0;
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@ -111,7 +111,7 @@ cursor:pointer;
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box-shadow: 0 1px 2px rgba(0, 0, 0, 0.5);
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width:auto;
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padding:0 10px 5px 10px;
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margin: auto;
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margin: auto;
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}
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#pageheader a
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@ -282,7 +282,7 @@ font-size:9pt;
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.thumbnail { float:left; margin-right: 10px; }
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.linkcontainer { position: static; margin-left:130px; }
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*/
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.favicon {width:16px;height:16px;margin-right:0.1em;}
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@ -305,7 +305,7 @@ font-size:9pt;
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background-color: transparent;
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background-color: rgba(0, 0, 0, 0.4); /* FF3+, Saf3+, Opera 10.10+, Chrome, IE9 */
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filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=#66000000,endColorstr=#66000000); /* IE6IE9 */
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text-shadow:2px 2px 1px #000000;
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text-shadow:2px 2px 1px #000000;
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}
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/* Minimal customisation for jQuery widgets */
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@ -337,7 +337,7 @@ box-shadow:2px 2px 20px 2px #333333;
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div.daily
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{
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font-family: Georgia, 'DejaVu Serif', Norasi, serif;
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font-family: Georgia, 'DejaVu Serif', Norasi, serif;
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background-color: #E6D6BE;
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/* Background paper texture by BashCorpo:
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http://www.bashcorpo.dk/textures.php
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@ -356,7 +356,7 @@ div.daily
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#daily_col3 { float:left;position:relative; width:33%;}
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div.dailyAbout
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{
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{
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float:left;
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border: 1px solid black;
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font-size: 8pt;
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@ -364,21 +364,21 @@ div.dailyAbout
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left:10px;
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top: 15px;
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padding: 5px 5px 5px 5px;
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text-align:center;
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text-align:center;
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}
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div.dailyAbout a { color: #890500; }
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div.dailyTitle
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{
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{
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font-weight: bold;
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font-size: 44pt;
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text-align:center;
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text-align:center;
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padding:10px 20px 0px 20px;
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}
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div.dailyDate
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{
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{
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font-size: 12pt;
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font-weight:bold;
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text-align:center;
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font-weight:bold;
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text-align:center;
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padding:0px 20px 30px 20px;
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}
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@ -392,19 +392,19 @@ div.dailyEntry
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div.dailyEntry a { text-decoration:none; color: #890500; }
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div.dailyEntryTags { font-size:7.75pt; }
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div.dailyEntryTitle { font-size:18pt; font-weight:bold;}
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div.dailyEntryThumbnail
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{
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width:100%;
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text-align:center;
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background-color:rgb(128,128,128);
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div.dailyEntryThumbnail
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{
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width:100%;
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text-align:center;
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background-color:rgb(128,128,128);
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background:url(../images/50pc_transparent.png);
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padding:4px 0px 2px 0px;
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}
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div.dailyEntryDescription
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{
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{
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margin-top: 10px;
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margin-bottom: 30px;
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text-align:justify;
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margin-bottom: 30px;
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text-align:justify;
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overflow:auto;
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}
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@ -414,7 +414,7 @@ div.dailyEntryDescription
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}
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/* For lazy images loading in picture wall.
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using http://www.appelsiini.net/projects/lazyload
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using http://www.appelsiini.net/projects/lazyload
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*/
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.lazyimage { display:none; }
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@ -463,7 +463,7 @@ div.dailyDate { font-size: 11pt;padding:0px; display:block; }
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div.dailyEntryTitle { font-size:16pt; font-weight:bold;}
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div.dailyEntryDescription { font-size:10pt; }
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}
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}
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/* Highlight search results */
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.highlight { background-color: #FFFF33; }
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50
index.php
50
index.php
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@ -22,9 +22,11 @@
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$GLOBALS['config']['OPEN_SHAARLI'] = false; // If true, anyone can add/edit/delete links without having to login
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$GLOBALS['config']['HIDE_TIMESTAMPS'] = false; // If true, the moment when links were saved are not shown to users that are not logged in.
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$GLOBALS['config']['ENABLE_THUMBNAILS'] = true; // Enable thumbnails in links.
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$GLOBALS['config']['ENABLE_FAVICON'] = true; // Enable favicon in links.
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$GLOBALS['config']['CACHEDIR'] = 'cache'; // Cache directory for thumbnails for SLOW services (like flickr)
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$GLOBALS['config']['PAGECACHE'] = 'pagecache'; // Page cache directory.
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$GLOBALS['config']['ENABLE_LOCALCACHE'] = true; // Enable Shaarli to store thumbnail in a local cache. Disable to reduce webspace usage.
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// Care if favicon is active and local cache are false serve page can be long
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$GLOBALS['config']['PUBSUBHUB_URL'] = ''; // PubSubHubbub support. Put an empty string to disable, or put your hub url here to enable.
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$GLOBALS['config']['UPDATECHECK_FILENAME'] = $GLOBALS['config']['DATADIR'].'/lastupdatecheck.txt'; // For updates check of Shaarli.
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$GLOBALS['config']['UPDATECHECK_INTERVAL'] = 86400 ; // Updates check frequency for Shaarli. 86400 seconds=24 hours
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@ -344,7 +346,7 @@ function isLoggedIn()
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}
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// Force logout.
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function logout() { if (isset($_SESSION)) { unset($_SESSION['uid']); unset($_SESSION['ip']); unset($_SESSION['username']); unset($_SESSION['privateonly']); }
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function logout() { if (isset($_SESSION)) { unset($_SESSION['uid']); unset($_SESSION['ip']); unset($_SESSION['username']); unset($_SESSION['privateonly']); }
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setcookie('shaarli_staySignedIn', FALSE, 0, WEB_PATH);
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}
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@ -913,7 +915,7 @@ function showRSS()
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else $linksToDisplay = $LINKSDB;
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$nblinksToDisplay = 50; // Number of links to display.
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if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
|
||||
{
|
||||
{
|
||||
$nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ;
|
||||
}
|
||||
|
||||
|
|
@ -988,7 +990,7 @@ function showATOM()
|
|||
else $linksToDisplay = $LINKSDB;
|
||||
$nblinksToDisplay = 50; // Number of links to display.
|
||||
if (!empty($_GET['nb'])) // In URL, you can specificy the number of links. Example: nb=200 or nb=all for all links.
|
||||
{
|
||||
{
|
||||
$nblinksToDisplay = $_GET['nb']=='all' ? count($linksToDisplay) : max($_GET['nb']+0,1) ;
|
||||
}
|
||||
|
||||
|
|
@ -1563,7 +1565,7 @@ function renderPage()
|
|||
$title = (empty($_GET['title']) ? '' : $_GET['title'] ); // Get title if it was provided in URL (by the bookmarklet).
|
||||
$description = (empty($_GET['description']) ? '' : $_GET['description']); // Get description if it was provided in URL (by the bookmarklet). [Bronco added that]
|
||||
$tags = (empty($_GET['tags']) ? '' : $_GET['tags'] ); // Get tags if it was provided in URL
|
||||
$private = (!empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0); // Get private if it was provided in URL
|
||||
$private = (!empty($_GET['private']) && $_GET['private'] === "1" ? 1 : 0); // Get private if it was provided in URL
|
||||
if (($url!='') && parse_url($url,PHP_URL_SCHEME)=='') $url = 'http://'.$url;
|
||||
// If this is an HTTP link, we try go get the page to extact the title (otherwise we will to straight to the edit form.)
|
||||
if (empty($title) && parse_url($url,PHP_URL_SCHEME)=='http')
|
||||
|
|
@ -1574,7 +1576,7 @@ function renderPage()
|
|||
{
|
||||
// Look for charset in html header.
|
||||
preg_match('#<meta .*charset=.*>#Usi', $data, $meta);
|
||||
|
||||
|
||||
// If found, extract encoding.
|
||||
if (!empty($meta[0]))
|
||||
{
|
||||
|
|
@ -1584,7 +1586,7 @@ function renderPage()
|
|||
$html_charset = (!empty($enc[1])) ? strtolower($enc[1]) : 'utf-8';
|
||||
}
|
||||
else { $html_charset = 'utf-8'; }
|
||||
|
||||
|
||||
// Extract title
|
||||
$title = html_extract_title($data);
|
||||
if (!empty($title))
|
||||
|
|
@ -2052,6 +2054,42 @@ function lazyThumbnail($url,$href=false)
|
|||
return $html;
|
||||
}
|
||||
|
||||
function returnFavicon($url){
|
||||
if(!$GLOBALS['config']['ENABLE_FAVICON']){
|
||||
return;
|
||||
}
|
||||
$faviconHash = md5($url);
|
||||
$path = substr($faviconHash, 0,2).'/'.substr($faviconHash, 2,2);
|
||||
$faviconPath = $GLOBALS['config']['CACHEDIR'].'/'.$path.'/'.$faviconHash.'.ico';
|
||||
if($GLOBALS['config']['ENABLE_LOCALCACHE'] === true && file_exists($faviconPath)){
|
||||
$content = file_get_contents($faviconPath);
|
||||
return '<img class="favicon" alt="favicon" src="data:image/ico;base64,'.base64_encode($content).'"/>';
|
||||
}
|
||||
if(file_exists($GLOBALS['config']['CACHEDIR'].'/'.$path.'/'.$faviconHash)){
|
||||
return;
|
||||
}
|
||||
require_once 'inc/DataAccess.php';
|
||||
require_once 'inc/Favicon.php';
|
||||
$favicon = new \Favicon\Favicon();
|
||||
$urlOfFavicon = $favicon->get($url);
|
||||
if(!$urlOfFavicon){
|
||||
if($GLOBALS['config']['ENABLE_LOCALCACHE'] === true){
|
||||
mkdir($GLOBALS['config']['CACHEDIR'].'/'.$path,0777,true);
|
||||
touch($GLOBALS['config']['CACHEDIR'].'/'.$path.'/'.$faviconHash);
|
||||
return;
|
||||
} else {
|
||||
return;
|
||||
}
|
||||
}
|
||||
if($GLOBALS['config']['ENABLE_LOCALCACHE'] === true && !is_dir($GLOBALS['config']['CACHEDIR'].'/'.$path.'/')){
|
||||
mkdir($GLOBALS['config']['CACHEDIR'].'/'.$path,0777,true);
|
||||
}
|
||||
$content = file_get_contents($urlOfFavicon);
|
||||
if($GLOBALS['config']['ENABLE_LOCALCACHE'] === true){
|
||||
file_put_contents($faviconPath, $content);
|
||||
}
|
||||
return '<img class="favicon" alt="favicon" src="data:image/ico;base64,'.base64_encode($content).'"/>';
|
||||
}
|
||||
|
||||
// -----------------------------------------------------------------------------------------------
|
||||
// Installation
|
||||
|
|
|
|||
|
|
@ -40,7 +40,7 @@
|
|||
<input type="hidden" name="token" value="{$token}"><input type="hidden" name="delete_link"><input type="image" alt="Delete" src="images/delete_icon.png#" title="Delete" class="button_delete" onClick="return confirmDeleteLink();"></form>
|
||||
</div>
|
||||
{/if}
|
||||
<span class="linktitle"><a href="{$redirector}{$value.url|htmlspecialchars}">{$value.title|htmlspecialchars}</a></span>
|
||||
<span class="linktitle">{function="returnFavicon($value.url)"}<a href="{$redirector}{$value.url|htmlspecialchars}">{$value.title|htmlspecialchars}</a></span>
|
||||
<br>
|
||||
{if="$value.description"}<div class="linkdescription"{if condition="$search_type=='permalink'"} style="max-height:none !important;"{/if}>{$value.description}</div>{/if}
|
||||
{if="!$GLOBALS['config']['HIDE_TIMESTAMPS'] || isLoggedIn()"}
|
||||
|
|
@ -48,8 +48,8 @@
|
|||
{else}
|
||||
<span class="linkdate" title="Short link here"><a href="?{$value.linkdate|smallHash}">permalink</a> - </span>
|
||||
{/if}
|
||||
<div style="position:relative;display:inline;"><a href="http://qrfree.kaywa.com/?l=1&s=8&d={$scripturl|urlencode}%3F{$value.linkdate|smallHash}"
|
||||
onclick="showQrCode(this); return false;" class="qrcode" data-permalink="{$scripturl}?{$value.linkdate|smallHash}"><img src="images/qrcode.png#" width="13" height="13" title="QR-Code"></a></div> -
|
||||
<div style="position:relative;display:inline;"><a href="http://qrfree.kaywa.com/?l=1&s=8&d={$scripturl|urlencode}%3F{$value.linkdate|smallHash}"
|
||||
onclick="showQrCode(this); return false;" class="qrcode" data-permalink="{$scripturl}?{$value.linkdate|smallHash}"><img src="images/qrcode.png#" width="13" height="13" title="QR-Code"></a></div> -
|
||||
<span class="linkurl" title="Short link">{$value.url|htmlspecialchars}</span><br>
|
||||
{if="$value.tags"}
|
||||
<div class="linktaglist">
|
||||
|
|
@ -65,12 +65,12 @@
|
|||
|
||||
</div>
|
||||
|
||||
{include="page.footer"}
|
||||
{include="page.footer"}
|
||||
|
||||
<script language="JavaScript">
|
||||
// Remove any displayed QR-Code
|
||||
function remove_qrcode()
|
||||
{
|
||||
{
|
||||
var elem = document.getElementById("permalinkQrcode");
|
||||
if (elem) elem.parentNode.removeChild(elem);
|
||||
return false;
|
||||
|
|
@ -78,7 +78,7 @@
|
|||
|
||||
// Show the QR-Code of a permalink (when the QR-Code icon is clicked).
|
||||
function showQrCode(caller,loading=false)
|
||||
{
|
||||
{
|
||||
// Dynamic javascript lib loading: We only load qr.js if the QR code icon is clicked:
|
||||
if (typeof(qr)=='undefined') // Load qr.js only if not present.
|
||||
{
|
||||
|
|
@ -94,18 +94,18 @@
|
|||
|
||||
// Remove previous qrcode if present.
|
||||
remove_qrcode();
|
||||
|
||||
|
||||
// Build the div which contains the QR-Code:
|
||||
var element = document.createElement('div');
|
||||
element.id="permalinkQrcode";
|
||||
// Make QR-Code div commit sepuku when clicked:
|
||||
if ( element.attachEvent ){ element.attachEvent('onclick', 'this.parentNode.removeChild(this);' ); } // Damn IE
|
||||
else { element.setAttribute('onclick', 'this.parentNode.removeChild(this);' ); }
|
||||
|
||||
|
||||
// Build the QR-Code:
|
||||
var image = qr.image({size: 8,value: caller.dataset.permalink});
|
||||
if (image)
|
||||
{
|
||||
{
|
||||
element.appendChild(image);
|
||||
element.innerHTML+= "<br>Click to close";
|
||||
caller.parentNode.appendChild(element);
|
||||
|
|
|
|||
Loading…
Reference in a new issue