URL redirection is working

public-url.shortener/.htaccess

@@ -1,2 +1,5 @@
-#RewriteEngine on 
+RewriteEngine on
+RewriteCond %{REQUEST_FILENAME} !-f
+RewriteRule . index.php [B,L]
+
 #RewriteRule ^(.*)$ https://ludumdare.com/$1 [R=301,L]

src/public-url.redirect/main-redirect.php

@@ -1,4 +1,72 @@
 <?php
-@include __DIR__."/../config.php";
+const CONFIG_PATH = "../shrub/";
+const SHRUB_PATH = "../shrub/src/";
+include_once __DIR__."/".CONFIG_PATH."config.php";
+require_once __DIR__."/".SHRUB_PATH."api.php";
 
-echo "huh";
+json_Begin();
+
+const DOMAIN_REDIRECT_TABLE = [
+	'url.ludumdare.org' => 'ludumdare.org',
+	'url.ludumdare.dev' => 'ludumdare.dev',
+	'url.jammer.work' => 'jammer.work',
+	'url.jammer.dev' => 'jammer.dev',
+
+	'ldj.am' => 'ldjam.com',
+	'jam.mr' => 'jammer.vg',
+];
+
+$action = json_ArgShift();
+$node_id = null;
+$specific = false;
+
+if ( !$action ) {
+	json_EmitFatalError_BadRequest('What?', $RESPONSE);
+}
+
+// Do Specific Actions
+switch ( $action ) {
+	case 'SPECIAL': //SPECIAL
+		$specific = true;
+
+		$RESPONSE['ham'] = 1;
+
+		break; // case 'SPECIAL': //SPECIAL
+
+	default:
+		if ( !isset(DOMAIN_REDIRECT_TABLE[$_SERVER['SERVER_NAME']]) ) {
+			json_EmitFatalError_BadRequest('Unknown domain mapping: '.$_SERVER['SERVER_NAME'], $RESPONSE);
+		}
+
+		$url = '//'.DOMAIN_REDIRECT_TABLE[$_SERVER['SERVER_NAME']];
+
+		// Do a raw ID decode
+		if ( $action[0] == '$' ) {
+			$node_id = intval(substr($action, 1));
+		}
+		else {
+			// TODO: munger
+			$node_id = 0;
+		}
+
+		if ( !$node_id ) {
+			json_EmitFatalError_BadRequest('Unknown request', $RESPONSE);
+		}
+
+		$paths = node_GetPathById($node_id, 1);
+		if ( !$paths ) {
+			json_EmitFatalError_BadRequest('Unable to trace node: '.$node_id, $RESPONSE);
+		}
+		$RESPONSE['paths'] = $paths;
+
+		$url .= $paths['path'];
+		$RESPONSE['url'] = $url;
+
+		// Redirect
+		header('Location: '.$url, true, /*301*/307);
+		die;
+
+		break;
+};
+
+json_End();

src/shrub/src/core/core.php

@@ -213,17 +213,25 @@ function core_RemovePathDotsFromArray($arr) {
 
 /// Internal parser for the API request
 function _core_GetAPIRequest() {
-	// If PATH_INFO is set, then Apache figured out our parts for us //
+	$PATH = '';
+
+	// If PATH_INFO is set, then Apache figured out our parts for us
 	if ( isset($_SERVER['PATH_INFO']) ) {
-		$ret = ltrim(rtrim(filter_var($_SERVER['PATH_INFO'], FILTER_SANITIZE_URL), '/'), '/');
-		if ( empty($ret) /*&& $val !== '0'*/ ) {
-			return [''];
-		}
-		else {
-			return array_values(array_filter(explode('/',$ret), function($val) {
-				return !((empty($val) && $val !== '0') || ($val[0] === '.'));
-			}));
-		}
+		$PATH = $_SERVER['PATH_INFO'];
+	}
+	// Alternatively if REDIRECT_URL is set, then this was a redirect
+	else if ( isset($_SERVER['REDIRECT_URL']) ) {
+		$PATH = $_SERVER['REDIRECT_URL'];
+	}
+
+	$ret = ltrim(rtrim(filter_var($PATH, FILTER_SANITIZE_URL), '/'), '/');
+	if ( empty($ret) /*&& $val !== '0'*/ ) {
+		return [''];
+	}
+	else {
+		return array_values(array_filter(explode('/', $ret), function($val) {
+			return !((empty($val) && $val !== '0') || ($val[0] === '.'));
+		}));
 	}
 
 	// If PATH_INFO isn't set, assume it's the same as '/'