ADAPT-4167: Extract Auth SDK into standalone project (#1)

package.json

@@ -2,12 +2,13 @@
   "name": "adapt-auth-sdk",
   "version": "1.0.0-dev",
   "description": "Provides all the functionality needed to easily integrate your Javascript web applications with Stanford SAML federated identity provider.",
-  "main": "dist/bundle.js",
+  "main": "dist/index.js",
+  "types": "dist/types.d.ts",
   "files": [
-    "dist/bundle.js"
+    "dist"
   ],
   "scripts": {
-    "build": "webpack",
+    "build": "tsc",
     "prepare": "npm run build",
     "lint": "eslint \"src/**/*.{ts,tsx.js,jsx}\"",
     "lint:fix": "eslint \"src/**/*.{ts,tsx,js,jsx}\" --quiet --fix",

src/AdaptAuth.ts

@@ -1,8 +1,8 @@
 /* eslint-disable no-console */
 import { Handler, Response, NextFunction } from 'express';
-import passport from 'passport';
+import * as passport from 'passport';
 import { Strategy as SamlStrategy } from 'passport-saml';
-import jwt from 'jsonwebtoken';
+import * as jwt from 'jsonwebtoken';
 import { serialize } from 'cookie';
 import {
   AdaptAuthConfig,
@@ -62,7 +62,6 @@ export class AdaptAuth {
           encodedSUID: profile.encodedSUID as string,
         };
 
-        // Attach relayState to req
         try {
           (req as SamlUserRequest).samlRelayState = JSON.parse(req.body.RelayState);
         } catch (err) {
@@ -191,7 +190,7 @@ export class AdaptAuth {
 
         // Response
         return this.createSession()(req as SamlUserRequest, res, () => {
-          const loginRedirect = redirectUrl || this.config.session.loginRedirectUrl;
+          const loginRedirect = redirectUrl || this.getFinalDestination(req) || this.config.session.loginRedirectUrl;
           if (loginRedirect) {
             res.redirect(loginRedirect);
           } else {
@@ -241,7 +240,18 @@ export class AdaptAuth {
   /**
    * Helper to extract the saml relay final destination url from req object
    */
-  public getFinalDestination = (req: any) => ((req as SamlUserRequest).samlRelayState || {}).finalDestination;
+  public getFinalDestination = (req: any) => {
+    // Attach relayState to req
+    try {
+      const relayState = req.samlRelayState;
+      const finalDest = relayState.finalDestination || null;
+      return finalDest;
+
+    } catch (err) {
+      // I guess the relayState wasn't that great...
+      console.log('Unable to parse samlRelayState', err);
+    }
+  };
 }
 
 // Singleton client for default consumption

src/index.ts

@@ -0,0 +1,2 @@
+export * from './AdaptAuth';
+export * from './types';

tsconfig.json

@@ -1,9 +1,12 @@
 {
   "compilerOptions": {
-    "outDir": "./dist/",
-    "module": "es6",
+    "outDir": "./dist",
+    "module": "commonjs",
+    "declaration": true,
     "target": "es5",
     "allowJs": true,
     "moduleResolution": "node"
   },
+  "include": ["src"],
+  "exclude": ["node_modules"]
 }