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087003b134
1. Add support for "pin.it". 2. Improved error handling with appropriate HTTP response codes and error messages. 3. Utilized `filter_var` for URL sanitization.
26 lines
930 B
PHP
26 lines
930 B
PHP
<?php
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require "misc/tools.php";
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$url = filter_var($_REQUEST["url"], FILTER_SANITIZE_URL);
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$requested_root_domain = get_root_domain($url);
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$allowed_domains = array("pinimg.com", "i.pinimg.com", "pinterest.com", "pin.it");
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if (in_array($requested_root_domain, $allowed_domains)) {
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$image_src = request($url);
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if ($image_src !== false) {
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$finfo = new finfo(FILEINFO_MIME_TYPE);
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$mime_type = $finfo->buffer($image_src);
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if (strpos($mime_type, 'image/') === 0) {
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header("Content-Type: $mime_type");
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echo $image_src;
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} else {
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header("HTTP/1.1 415 Unsupported Media Type");
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echo "Error: The requested URL does not contain a valid image.";
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}
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} else {
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header("HTTP/1.1 404 Not Found");
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echo "Error: Unable to fetch the image.";
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}
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} else {
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header("HTTP/1.1 400 Bad Request");
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echo "Error: Invalid domain.";
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}
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?>
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