add redirect+

README.md

@@ -46,6 +46,12 @@ Use `SITE_mycard.moe: php://fpm.example.com:9000/path/to/site`.
 - `EXPIRES` Specify expires time. Default `10m`.
 - `PHP_EXTRA` Extra entry in `location`.
 
+#### Redirect
+
+Use `SITE_mycard.moe: redirect+https://example.com`.
+
+- `CODE` Specify redirect code. Default `301`.
+
 ### Global
 
 - `PURGE_ALLOWED` IPs allowed to do PURGE request.

src/site.ts

@@ -53,7 +53,17 @@ export interface PhpRenderData extends FileRenderData {
   phpExtra?: string[];
 }
 
-export type SpecificRenderData = PhpRenderData | StaticRenderData | ProxyRenderData;
+export interface RedirectRenderData extends SiteRenderData {
+  redirect: true;
+  upstream: string;
+  code: number;
+}
+
+export type SpecificRenderData =
+  | PhpRenderData
+  | StaticRenderData
+  | ProxyRenderData
+  | RedirectRenderData;
 
 export interface RenderData {
   purgeAllowed?: string[];
@@ -116,6 +126,12 @@ async function getSiteData(
       upstream: targetUrl.host,
       phpExtra: parser.getArray('PHP_EXTRA'),
     } as PhpRenderData;
+  } else if (targetUrl.protocol.startsWith('redirect+')) {
+    specificRenderData = {
+      redirect: true,
+      upstream: targetUrl.href.slice(10),
+      code: parser.getNumber('REDIRECT_CODE') || 301,
+    } as RedirectRenderData;
   } else {
     specificRenderData = {
       proxy: true,

views/nginx.conf.mustache

@@ -257,6 +257,9 @@ http {
         expires {{expires}};
         try_files $uri $uri/ /{{index}}?$query_string;
       {{/php}}
+      {{#redirect}}
+        return {{code}} {{upstream}};
+      {{/redirect}}
       {{#locationExtra}}
         {{.}}
       {{/locationExtra}}