1 files changed, 67 insertions, 0 deletions
diff --git a/public/f.php b/public/f.php
new file mode 100644
index 000000000..3be74776e
--- /dev/null
+++ b/public/f.php
@@ -0,0 +1,67 @@
+<?php
+require('../constants.php');
+$favicons_dir = DATA_PATH . '/favicons/';
+
+/* Télécharge le favicon d'un site, le place sur le serveur et retourne l'URL */
+function download_favicon ($website, $dest) {
+	$ok = false;
+	$url = 'http://g.etfv.co/' . $website;
+
+	/*if (!is_dir ($favicons_dir)) {
+		if (!mkdir ($favicons_dir, 0755, true)) {
+			header('Location: ' . $url);
+			return false;
+		}
+	}*/
+
+	$c = curl_init ($url);
+	curl_setopt ($c, CURLOPT_HEADER, false);
+	curl_setopt ($c, CURLOPT_RETURNTRANSFER, true);
+	curl_setopt ($c, CURLOPT_BINARYTRANSFER, true);
+	$imgRaw = curl_exec ($c);
+
+	if (curl_getinfo ($c, CURLINFO_HTTP_CODE) == 200) {
+		$file = fopen ($dest, 'w');
+		if ($file !== false) {
+			fwrite ($file, $imgRaw);
+			fclose ($file);
+			$ok = true;
+		}
+	}
+	curl_close ($c);
+	if (!$ok) {
+		header('Location: ' . $url);
+		return false;
+	}
+	return true;
+}
+
+$id = isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '0';
+if (!ctype_digit($id)) {
+	$id = '0';
+}
+
+$txt = $favicons_dir . $id . '.txt';
+$ico = $favicons_dir . $id . '.ico';
+
+$icoMTime = @filemtime($ico);
+$txtMTime = @filemtime($txt);
+
+if (($icoMTime == false) || ($txtMTime > $icoMTime)) {
+	if ($txtMTime == false) {
+		header('HTTP/1.1 404 Not Found');
+		die();
+	}
+	$url = file_get_contents($txt);
+	if (!download_favicon($url, $ico)) {
+		die();
+	}
+}
+
+header('Content-Type: image/x-icon');
+header('Content-Disposition: inline; filename="' . $id . '.ico"');
+
+require(LIB_PATH . '/http-conditional.php');
+if (!httpConditional($icoMTime, 31557600, 2)) {
+	readfile($ico);
+}