feat: support other auth providers (use fake impl only)

Author: manekinekko

src/auth/fake_provider_oauth_authorize/function.json

@@ -0,0 +1,19 @@
+{
+  "bindings": [
+    {
+      "authLevel": "function",
+      "type": "httpTrigger",
+      "direction": "in",
+      "name": "req",
+      "methods": [
+        "get"
+      ],
+      "route": "fake/{provider:regex(aad|github|twitter|google|facebook)}/oauth/authorize"
+    },
+    {
+      "type": "http",
+      "direction": "out",
+      "name": "res"
+    }
+  ]
+}

src/auth/fake_provider_oauth_authorize/index.js

@@ -0,0 +1,21 @@
+const { response, ɵɵUseGithubDevToken } = require("../../utils");
+const SWA_EMU_AUTH_URI = process.env.SWA_EMU_AUTH_URI || `http://localhost:4242`;
+
+module.exports = async function (context, req) {
+  const { provider } = context.bindingData;
+  const { redirect_uri, state, client_id } = req.query;
+
+  console.log("+++++++++");
+  console.log(req.query);
+  console.log("+++++++++");
+
+  location = `${redirect_uri}?code=CODE&state=${state}`;
+
+  context.res = response({
+    context,
+    status: 302,
+    headers: {
+      location,
+    },
+  });
+};

src/auth/identity_auth_login_provider/index.js

@@ -5,17 +5,34 @@ module.exports = async function (context, req) {
   const { provider } = context.bindingData;
   const { post_login_redirect_uri } = req.query;
 
-  const redirect_uri = `${SWA_EMU_AUTH_URI}/.auth/login/${provider}/callback&state=${encodeURIComponent(`redir=${post_login_redirect_uri}&nonce=${context.invocationId}`)}`;
+  const redirect_uri = `${SWA_EMU_AUTH_URI}/.auth/login/${provider}/callback&state=${encodeURIComponent(
+    `redir=${post_login_redirect_uri}&nonce=${context.invocationId}`
+  )}`;
+  let location = "";
+  let client_id = "fake-client-id";
 
-  let client_id = process.env.GITHUB_CLIENT_ID;
+  switch (provider) {
+    case "github":
+      client_id = process.env.GITHUB_CLIENT_ID;
 
-  //**** GITHUB NOTICE */
-  if (!client_id) {
-    ({ client_id } = await ɵɵUseGithubDevToken());
-  }
-  //**** GITHUB NOTICE */
+      //**** GITHUB NOTICE: start */
+      if (!client_id) {
+        ({ client_id } = await ɵɵUseGithubDevToken());
+      }
+      //**** GITHUB NOTICE: end */
+      location = `https://github.com/login/oauth/authorize?client_id=${client_id}&redirect_uri=${redirect_uri}`;
+
+      break;
 
-  const location = `https://github.com/login/oauth/authorize?client_id=${client_id}&redirect_uri=${redirect_uri}`;
+    case "twitter":
+    case "google":
+    case "facebook":
+    case "aad":
+      location = `${SWA_EMU_AUTH_URI}/fake/${provider}/oauth/authorize?client_id=${client_id}&redirect_uri=${redirect_uri}`;
+      break;
+    default:
+    // TODO: throw http error
+  }
 
   context.res = response({
     context,

src/auth/identity_auth_login_provider_callback/index.js

@@ -1,29 +1,9 @@
-const { response, ɵɵUseGithubDevToken } = require("../../utils");
-const { default: fetch } = require("node-fetch");
+const { response } = require("../../utils");
 const SWA_EMU_AUTH_URI = process.env.SWA_EMU_AUTH_URI || `http://localhost:4242`;
 
 module.exports = async function (context, req) {
-  let { state, code } = req.query;
-  state = decodeURIComponent(state);
+  let { state, code, nonce } = req.query;
 
-  let client_id = process.env.GITHUB_CLIENT_ID;
-  let client_secret = process.env.GITHUB_CLIENT_SECRET;
-
-  //**** GITHUB NOTICE */
-  if (!client_id || !client_secret) {
-    ({ client_id, client_secret } = await ɵɵUseGithubDevToken());
-  }
-  //**** GITHUB NOTICE */
-
-  const oauthUri = `https://github.com/login/oauth/access_token?client_id=${client_id}&client_secret=${client_secret}&code=${code}&state=${state}`;
-  const githubOauthResponse = await fetch(oauthUri, {
-    method: "POST",
-    headers: {
-      accept: "application/json",
-    },
-  });
-
-  const token = await githubOauthResponse.json();
   const location = `${SWA_EMU_AUTH_URI}/.auth/login/done`;
   context.res = response({
     context,