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Use Google API to fetch favicons 

Now supporting captchas
This commit is contained in:
Julian Prieber 2024-05-10 10:55:17 +02:00
parent 5fcd0f6b1d
commit 79dfe59289
1 changed files with 9 additions and 164 deletions
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173
resources/views/components/favicon.blade.php
View File

@ -1,178 +1,23 @@
<?php
use App\Models\Link;
if (!function_exists('getFaviconURL')) {
function getFaviconURL($url)
{
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HEADER, true);
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36');
curl_setopt($ch, CURLOPT_TIMEOUT, 3);
$response = curl_exec($ch);
// Check if cURL request was successful
if ($response === false) {
return null;
}
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
// Check if the URL is redirected
if ($httpCode == 301 || $httpCode == 302) {
$redirectUrl = getRedirectUrlFromHeaders($response);
if ($redirectUrl) {
return getFaviconURL($redirectUrl); // Recursively call getFavicon with the redirected URL
}
}
// Try extracting favicon using DOMDocument
try {
$dom = new DOMDocument();
$dom->strictErrorChecking = false;
@$dom->loadHTMLFile($url);
if ($dom) {
$faviconURL = extractFaviconUrlFromDOM($dom);
if ($faviconURL) {
return getAbsoluteUrl($url, $faviconURL);
}
}
} catch (Exception $e) {
// Silently fail and continue to the next method
}
// Check directly for favicon.ico or favicon.png
$parse = parse_url($url);
$faviconURL = getAbsoluteUrl($url, "/favicon.ico");
if (checkURLExists($faviconURL)) {
return $faviconURL;
}
$faviconURL = getAbsoluteUrl($url, "/favicon.png");
if (checkURLExists($faviconURL)) {
return $faviconURL;
}
// Fallback to regex extraction
$faviconURL = extractFaviconUrlWithRegex($response);
if ($faviconURL) {
$faviconURL = getAbsoluteUrl($url, $faviconURL);
}
return $faviconURL;
}
}
if (!function_exists('getRedirectUrlFromHeaders')) {
function getRedirectUrlFromHeaders($headers)
{
if (preg_match('/^Location:\s+(.*)$/mi', $headers, $matches)) {
return trim($matches[1]);
}
return null;
}
}
if (!function_exists('extractFaviconUrlFromDOM')) {
function extractFaviconUrlFromDOM($dom)
{
$xpath = new DOMXPath($dom);
// Check for the historical rel="shortcut icon"
$shortcutIcon = $xpath->query('//link[@rel="shortcut icon"]');
if ($shortcutIcon->length > 0) {
$path = $shortcutIcon->item(0)->getAttribute('href');
return $path;
}
// Check for the HTML5 rel="icon"
$icon = $xpath->query('//link[@rel="icon"]');
if ($icon->length > 0) {
$path = $icon->item(0)->getAttribute('href');
return $path;
}
return null;
}
}
if (!function_exists('checkURLExists')) {
function checkURLExists($url)
{
$headers = @get_headers($url);
return ($headers && strpos($headers[0], '200') !== false);
}
}
if (!function_exists('extractFaviconUrlWithRegex')) {
function extractFaviconUrlWithRegex($html)
{
// Check for the historical rel="shortcut icon"
if (preg_match('/<link[^>]+rel=["\']shortcut icon["\'][^>]+href=["\']([^"\']+)["\']/', $html, $matches)) {
$faviconURL = $matches[1];
return $faviconURL;
}
// Check for the HTML5 rel="icon"
if (preg_match('/<link[^>]+rel=["\']icon["\'][^>]+href=["\']([^"\']+)["\']/', $html, $matches)) {
$faviconURL = $matches[1];
return $faviconURL;
}
return null;
}
}
if (!function_exists('getAbsoluteUrl')) {
function getAbsoluteUrl($baseUrl, $relativeUrl)
{
$parsedUrl = parse_url($baseUrl);
$scheme = isset($parsedUrl['scheme']) ? $parsedUrl['scheme'] : 'http';
$host = isset($parsedUrl['host']) ? $parsedUrl['host'] : '';
$path = isset($parsedUrl['path']) ? $parsedUrl['path'] : '';
$basePath = "$scheme://$host$path";
if (strpos($relativeUrl, 'http') === 0) {
return $relativeUrl; // Already an absolute URL
} elseif (strpos($relativeUrl, '/') === 0) {
return "$scheme://$host$relativeUrl"; // Root-relative URL
} else {
return "$basePath/$relativeUrl"; // Path-relative URL
}
}
}
if (!function_exists('getFavIcon')) {
function getFavIcon($id)
{
try {
$link = Link::find($id);
$page = $link->link;
$url = $link->link;
$url = getFaviconURL($page);
// Use Google's Favicon API
$faviconUrl = 'http://www.google.com/s2/favicons?sz=256&domain=' . $url;
$fileExtension = pathinfo($url, PATHINFO_EXTENSION);
$filename = $id . '.' . $fileExtension;
// Get the favicon and save it to the desired location
$favicon = file_get_contents($faviconUrl);
$filename = $id . '.png';
$filepath = base_path('assets/favicon/icons') . '/' . $filename;
file_put_contents($filepath, $favicon);
if (!file_exists($filepath)) {
if (function_exists('curl_version')) {
$curlHandle = curl_init($url);
curl_setopt($curlHandle, CURLOPT_RETURNTRANSFER, true);
curl_setopt($curlHandle, CURLOPT_TIMEOUT, 3);
$faviconData = curl_exec($curlHandle);
curl_close($curlHandle);
if ($faviconData !== false) {
file_put_contents($filepath, $faviconData);
}
} else {
file_put_contents($filepath, file_get_contents($url));
}
}
return url('assets/favicon/icons/' . $id . '.' . $fileExtension);
return url('assets/favicon/icons/' . $filename);
} catch (Exception $e) {
// Handle the exception by copying the default SVG favicon
$defaultIcon = base_path('assets/linkstack/icons/website.svg');
@ -183,4 +28,4 @@ if (!function_exists('getFavIcon')) {
return url('assets/favicon/icons/' . $filename);
}
}
}
}