Added base methods + change l to bootstrap lr()

* Created resolve_instance function

src/base.methods.php

@@ -0,0 +1,47 @@
+<?php
+
+# Support instance aliases!
+function resolve_instance($txt) {
+	$txt = preg_replace('/^https?:\/\//', '', strtolower(trim($txt)));
+	if (!preg_match('/^[a-zA-Z0-9\-\.]+$/', $txt))
+		return false;
+
+	$ch = curl_init();
+	curl_setopt($ch, CURLOPT_URL, 'https://'.$txt.'/.well-known/host-meta');
+	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
+	curl_setopt($ch, CURLOPT_HEADER, 1);
+	curl_setopt($ch, CURLOPT_NOBODY, 1);
+	$output = curl_exec($ch);
+	$headers = explode("\n", $output);
+	if (count($headers) === 0)
+		return false;
+
+	$name = false;
+	$httpret = trim($headers[0]);
+	$httpret = explode(' ', $httpret);
+	if (count($httpret) !== 2)
+		return false;
+	$httpret = intval($httpret[1]);
+
+	# search for location header
+	if (in_array($httpret, [301, 302])) {
+		foreach ($headers as $header) {
+			$header = strtolower(trim($header));
+			if (str_starts_with($header, 'location:')) {
+				$url = trim(preg_replace('/^location:/','',$header));
+				$url = parse_url($url);
+				if (isset($url['host'])) {
+					$name = $url['host'];
+					break;
+				}
+			}
+		}
+	} else if ($httpret === 200) {
+		$name = $txt;
+	}
+	if ($name === false)
+		return $name;
+	
+	return 'https://'.$name;
+}
+

src/base.php

@@ -13,12 +13,13 @@ $locales = (object)[];
 if (file_exists($lang_file))
 	$locales = json_decode(file_get_contents($lang_file), true);
 
-function l($key, $default='') {
+function l($key, $default='') { echo lr($key, $default); }
+function lr($key, $default='') {
     global $locales;
 	$parts = explode('.', $key);
 	if (isset($locales[$parts[0]][$parts[1]]))
-		echo $locales[$parts[0]][$parts[1]];
+		return $locales[$parts[0]][$parts[1]];
-	else echo $default;
+	return $default;
 }
 
 # read config
@@ -33,3 +34,5 @@ function conf($key, $default='') {
 		return $config[$key];
 	return $default;
 }
+
+require_once '/src/base.methods.php';