Add AuthService

monkey_island/cc/ui/package.json

@@ -65,6 +65,7 @@
     "core-js": "^2.5.1",
     "fetch": "^1.1.0",
     "js-file-download": "^0.4.1",
+    "jwt-decode": "^2.2.0",
     "normalize.css": "^4.0.0",
     "prop-types": "^15.5.10",
     "rc-progress": "^2.2.5",

monkey_island/cc/ui/src/components/AuthComponent.js

@@ -0,0 +1,12 @@
+import React from 'react';
+import AuthService from '../services/AuthService';
+
+class AuthComponent extends React.Component {
+  constructor(props) {
+    super(props);
+    this.auth = new AuthService();
+    this.authFetch = this.auth.authFetch;
+  }
+}
+
+export default AuthComponent;

monkey_island/cc/ui/src/services/AuthService.js

@@ -0,0 +1,84 @@
+import decode from 'jwt-decode';
+
+export default class AuthService {
+  AUTH_ENABLED = true;
+
+  login = (username, password) => {
+    if (this.AUTH_ENABLED) {
+      return this._login(username, password);
+    } else {
+      return {};
+    }
+  };
+
+  authFetch = (url, options) => {
+    if (this.AUTH_ENABLED) {
+      return this._authFetch(url, options);
+    } else {
+      return fetch(url, options);
+    }
+  };
+
+  _login = (username, password) => {
+    return this._authFetch('/api/auth', {
+      method: 'POST',
+      body: JSON.stringify({
+        username,
+        password
+      })
+    }).then(response => response.json())
+      .then(res => {
+        this._setToken(res['access_token']);
+      })
+  };
+
+  _authFetch = (url, options) => {
+    const headers = {
+      'Accept': 'application/json',
+      'Content-Type': 'application/json'
+    };
+
+    if (this.loggedIn()) {
+      headers['Authorization'] = 'JWT ' + this._getToken();
+    }
+
+    return fetch(url, {
+      headers,
+      ...options
+    });
+
+  };
+
+  loggedIn() {
+    if (!this.AUTH_ENABLED) {
+      return true;
+    }
+    const token = this._getToken();
+    return (token && !this._isTokenExpired(token));
+  }
+
+  logout() {
+    if (this.AUTH_ENABLED) {
+      localStorage.removeItem('jwt');
+    }
+  }
+
+  _isTokenExpired(token) {
+    try {
+      return decode(token)['exp'] < Date.now() / 1000;
+    }
+    catch (err) {
+      return false;
+    }
+  }
+
+  _setToken(idToken) {
+    localStorage.setItem('jwt', idToken);
+  }
+
+  _getToken() {
+    return localStorage.getItem('jwt')
+  }
+
+
+}