initial commit

Author: sedenardi

.gitignore

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+.DS_Store
+node_modules

README.md

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+lambda-session-auth
+========
+
+Cookie-based session authentication using AWS Lambda and Node.

auth.js

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+'use strict';
+
+const users = {
+  user1: 'pass1',
+  user2: 'pass2'
+};
+
+module.exports = {
+  auth: (user, pass) => {
+    return new Promise((resolve, reject) => {
+      if (!user || !pass) {
+        return resolve({ success: false, message: 'Must provide username and password.' });
+      } else if (!users[user]) {
+        return resolve({ success: false, message: 'User doesn\'t exist.' });
+      } else if (users[user] !== pass) {
+        return resolve({ success: false, message: 'Incorrect password.' });
+      } else {
+        return resolve({ success: true });
+      }
+    });
+  }
+};

index.js

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+'use strict';
+
+const auth = require('./auth');
+const session = require('./session');
+
+module.exports = {
+  post: (event, context) => {
+    const user = event.data.username;
+    const pass = event.data.password;
+    auth(user, pass).then((authRes) => {
+      if (res) {
+        session.set(user).then((cookie) => {
+          return context.done(null, Object.assign(authRes, cookie));
+        });
+      } else {
+        return context.done(null, authRes)
+      }
+    });
+  },
+  get: (event, context) => {
+    const cookie = event.headers ? event.headers.Cookie : '';
+    
+  }
+};

session.js

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+'use strict';
+
+const cookieKey = 'SID';
+const cookiePrefix = 'Session::';
+
+module.exports = {
+  set: (user) => {
+    const sessionId = `${cookiePrefix}${user}`;
+    const newCookie = `${cookieKey}=${sessionId}`;
+    return { Cookie: newCookie };
+  },
+  get: (sessionId) => {
+    const user = sessionId.replace(cookiePrefix, '');
+    if (user) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+};