Risuai 0.6.3 first commit

functions/drive.js

@@ -0,0 +1,49 @@
+export function onRequest(context) {
+    const request = context.request
+    return drive(request, context.env);
+}
+
+const encodedRedirectUri = encodeURIComponent("https://risu.pages.dev/")
+
+async function drive(request, env){
+
+    const url = new URL(request.url);
+
+    const headerE = {
+        "Access-Control-Allow-Origin": "https://risu.pages.dev",
+        "Access-Control-Allow-Headers": "*"
+    }
+    
+    const params = url.searchParams
+    const code = params.get('code')
+    if(!code){
+        return new Response("No code provided", {
+            status: 400,
+            headers: headerE
+        })
+    }
+    const resp = await fetch("https://oauth2.googleapis.com/token", {
+        method: 'POST',
+        headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
+        body: `code=${code}&client_id=${env.CLIENT_ID}&client_secret=${env.CLIENT_SECRET}&redirect_uri=${encodedRedirectUri}&grant_type=authorization_code`
+    })
+
+
+    const json = await resp.json()
+
+    if(json.access_token && json.expires_in){
+        return new Response(JSON.stringify({
+            access_token: json.access_token,
+            expires_in: json.expires_in
+        }), {
+            status: 200,
+            headers: headerE
+        })
+    }
+    else{
+        return new Response("Response Failed", {
+            status: 400,
+            headers: headerE
+        })
+    }
+}