New Http wrapper, updated components, minor API change

The new Http wrapper automatically handles updates to the JWT during
server communication and redirects to login on unauthenticated calls.

src/api/controllers/Auth.php

@@ -74,7 +74,7 @@ class Auth extends BaseController {
             return $response->withStatus(401);
         }
 
-        $jwt = self::createJwt($payload->uid);
+        $jwt = self::createJwt($payload->uid, (int) $payload->mul);
         $user->active_token = $jwt;
         $user->save();
 
@@ -117,7 +117,7 @@ class Auth extends BaseController {
             return $this->jsonResponse($response, 401);
         }
 
-        $jwt = self::createJwt($user->id);
+        $jwt = self::createJwt($user->id, ($data->remember ? 200 : 1));
         $user = new User($this->container, $user->id);
 
         $user->active_token = $jwt;
@@ -199,10 +199,12 @@ class Auth extends BaseController {
         return $payload;
     }
 
-    private static function createJwt($userId) {
+    private static function createJwt($userId, $mult = 1) {
+        // If 'remember me' feature is desired, set the multiplier higher
         return JWT::encode(array(
-                    'exp' => time() + (60 * 30), // 30 minutes
-                    'uid' => $userId
+                    'exp' => time() + (60 * 30) * $mult, // 30 minutes * $mult
+                    'uid' => $userId,
+                    'mul' => $mult
                 ), Auth::getJwtKey());
     }
 

src/api/controllers/BaseController.php

@@ -50,10 +50,7 @@ abstract class BaseController {
             return 403;
         }
 
-        $token = new stdClass();
-        $token->jwt = (string) $response->getBody();
-
-        $this->apiJson->addData($token);
+        $this->apiJson->addData((string) $response->getBody());
 
         return $status;
     }

src/app/login/login.component.ts

@@ -15,8 +15,8 @@ import {
 })
 export class Login {
     version: string;
-    username: string;
-    password: string;
+    username: string = '';
+    password: string = '';
     remember: boolean;
     isSubmitted: boolean = false;
 
@@ -26,6 +26,12 @@ export class Login {
     }
 
     login(): void {
+        if (this.username === '' || this.password === '') {
+            this.notes.add(new Notification('error',
+                'Username and password are required.'));
+            return;
+        }
+
         this.isSubmitted = true;
 
         this.authService.login(this.username, this.password, this.remember)

src/app/main.ts

@@ -5,7 +5,7 @@ import { enableProdMode } from '@angular/core';
 
 import { AppComponent } from './app.component';
 import { APP_ROUTER_PROVIDERS } from './app.routes';
-import { NotificationsService } from './shared/index';
+import { NotificationsService, API_HTTP_PROVIDERS } from './shared/index';
 import { Constants } from './shared/constants';
 
 // enableProdMode();
@@ -16,6 +16,7 @@ bootstrap(AppComponent,
         disableDeprecatedForms(),
         provideForms(),
         APP_ROUTER_PROVIDERS,
+        API_HTTP_PROVIDERS,
         Constants,
         NotificationsService
     ]

src/app/settings/user-settings/user-settings.component.ts

@@ -43,7 +43,6 @@ export class UserSettings {
             .changePassword(this.changePassword.current,
                             this.changePassword.newPass)
             .subscribe((response: ApiResponse) => {
-                console.log(response);
                 response.alerts.forEach(msg => {
                     this.notes.add(new Notification(msg.type, msg.text));
 

src/app/settings/user-settings/user-settings.service.ts

@@ -1,5 +1,6 @@
 import { Injectable } from '@angular/core';
 import { Http, Response, Headers } from '@angular/http';
+import { Router } from '@angular/router';
 
 import { Observable } from 'rxjs/Observable';
 import 'rxjs/add/observable/of';
@@ -20,11 +21,10 @@ interface UpdateUser extends User {
 @Injectable()
 export class UserSettingsService {
     activeUser: User = null;
-    jwtKey: string;
 
-    constructor(auth: AuthService, constants: Constants, private http: Http) {
+    constructor(auth: AuthService, constants: Constants,
+            private http: Http, private router: Router) {
         this.activeUser = auth.activeUser;
-        this.jwtKey = constants.TOKEN;
     }
 
     changePassword(oldPass: string, newPass: string): Observable<ApiResponse> {
@@ -33,30 +33,16 @@ export class UserSettingsService {
         updateUser.old_password = oldPass;
 
         let json = JSON.stringify(updateUser);
-        let headers = this.getHeaders();
 
-        return this.http.post('api/users/' + this.activeUser.id, json,
-                { headers: headers })
+        return this.http.post('api/users/' + this.activeUser.id, json)
             .map(res => {
                 let response: ApiResponse = res.json();
-
                 return response;
             })
             .catch((res, caught) => {
                 let response: ApiResponse = res.json();
-
                 return Observable.of(response);
             });
     }
-
-    private getHeaders(): Headers {
-        let token = localStorage.getItem(this.jwtKey);
-        let headers = new Headers();
-
-        headers.append('Content-Type', 'application/json');
-        headers.append('Authorization', token);
-
-        return headers;
-    }
 }
 

src/app/shared/auth-http.provider.ts

@@ -0,0 +1,102 @@
+import { provide } from '@angular/core';
+import {
+    Http,
+    Request,
+    RequestOptionsArgs,
+    Response,
+    XHRBackend,
+    RequestOptions,
+    ConnectionBackend,
+    Headers
+} from '@angular/http';
+import { Router } from '@angular/router';
+
+import { Observable } from 'rxjs/Observable';
+import 'rxjs/add/observable/throw';
+
+import { ApiResponse } from './index';
+
+export const API_HTTP_PROVIDERS = [
+    provide(Http, {
+        useFactory: (xhrBackend: XHRBackend, requestOptions: RequestOptions,
+            router: Router) => new ApiHttp(xhrBackend, requestOptions, router),
+        deps: [XHRBackend, RequestOptions, Router]
+    })
+];
+
+export class ApiHttp extends Http {
+    private JWT_KEY = 'taskboard.jwt';
+
+    constructor(backend: ConnectionBackend,
+                defaultOptions: RequestOptions,
+                private router: Router) {
+        super(backend, defaultOptions);
+    }
+
+    request(url: string | Request,
+            options?: RequestOptionsArgs): Observable<Response> {
+        return this.intercept(super.request(url, options));
+    }
+
+    get(url: string, options?: RequestOptionsArgs): Observable<Response> {
+        return this.intercept(super.get(url, options));
+    }
+
+    post(url: string, body: string,
+            options?: RequestOptionsArgs): Observable<Response> {
+        return this.intercept(super.post(url, body,
+            this.getRequestOptionArgs(options)));
+    }
+
+    put(url: string, body: string,
+            options?: RequestOptionsArgs): Observable<Response> {
+        return this.intercept(super.put(url, body,
+            this.getRequestOptionArgs(options)));
+    }
+
+    delete(url: string, options?: RequestOptionsArgs): Observable<Response> {
+        return this.intercept(super.delete(url, options));
+    }
+
+    getRequestOptionArgs(options?: RequestOptionsArgs) : RequestOptionsArgs {
+        if (options == null) {
+            options = new RequestOptions();
+        }
+
+        if (options.headers == null) {
+            options.headers = new Headers();
+        }
+
+        options.headers.append('Content-Type', 'application/json');
+
+        let jwt = localStorage.getItem(this.JWT_KEY);
+        if (jwt) {
+            options.headers.append('Authorization', jwt);
+        }
+
+        return options;
+    }
+
+    intercept(observable: Observable<Response>): Observable<Response> {
+        return observable
+            .map((res: Response) => {
+                let response: ApiResponse = res.json();
+                console.log(response);
+
+                localStorage.setItem(this.JWT_KEY, response.data[0]);
+
+                return res;
+            })
+            .catch((err, source) => {
+                console.log(err);
+
+                if (err.status === 401 && err.url.indexOf('login') === -1) {
+                    this.router.navigate(['']);
+                    localStorage.removeItem(this.JWT_KEY);
+                }
+
+                return Observable.throw(err);
+            });
+    }
+}
+

src/app/shared/auth/auth.service.ts

@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { Http, Response, Headers } from '@angular/http';
+import { Http, Response } from '@angular/http';
 import { Router } from '@angular/router';
 
 import { Observable } from 'rxjs/Observable';
@@ -12,92 +12,54 @@ import { Constants } from '../constants';
 @Injectable()
 export class AuthService {
     activeUser: User = null;
-    jwtKey: string;
 
     constructor(constants: Constants, private http: Http,
             private router: Router) {
-        this.jwtKey = constants.TOKEN;
     }
 
     authenticate(): Observable<boolean> {
-        let headers = this.getHeaders();
-
-        return this.http.post('api/authenticate', null, { headers: headers })
+        return this.http.post('api/authenticate', null)
             .map(res => {
-                this.checkStatus(res);
+                let response: ApiResponse = res.json();
+                this.activeUser = response.data[1];
 
                 return this.activeUser !== null;
             })
             .catch((res, caught) => {
-                this.checkStatus(res);
-
                 return Observable.of(false);
             });
     }
 
     login(username: string, password: string,
             remember: boolean): Observable<ApiResponse> {
-        // TODO Add remember flag to API
         let json = JSON.stringify({
             username: username,
-            password: password
+            password: password,
+            remember: remember
         });
 
         return this.http.post('api/login', json)
             .map(res => {
                 let response: ApiResponse = res.json();
-                this.checkStatus(res);
+                this.activeUser = response.data[1];
 
                 return response;
             })
             .catch((res, caught) => {
                 let response: ApiResponse = res.json();
-                this.checkStatus(res);
+                this.activeUser = null;
 
                 return Observable.of(response);
             });
     }
 
     logout(): Observable<ApiResponse> {
-        let headers = this.getHeaders();
-
-        this.clearData();
-
-        return this.http.post('api/logout', null, { headers: headers })
+        return this.http.post('api/logout', null)
             .map(res => {
                 let response: ApiResponse = res.json();
+
                 return response;
             });
     }
-
-    private clearData(): void {
-        this.activeUser = null;
-        localStorage.removeItem(this.jwtKey);
-
-        this.router.navigate(['']);
-    }
-
-    private checkStatus(response: Response): void {
-        if (response.status === 200) {
-            let apiResponse: ApiResponse = response.json();
-
-            this.activeUser = apiResponse.data[1];
-            localStorage.setItem(this.jwtKey, apiResponse.data[0])
-        }
-
-        if (response.status === 401) {
-            this.clearData();
-        }
-    }
-
-    private getHeaders(): Headers {
-        let token = localStorage.getItem(this.jwtKey);
-        let headers = new Headers();
-
-        headers.append('Content-Type', 'application/json');
-        headers.append('Authorization', token);
-
-        return headers;
-    }
 }
 

src/app/shared/index.ts

@@ -3,4 +3,5 @@ export * from './auth/index';
 export * from './models/index';
 export * from './notifications/index';
 export * from './constants';
+export * from './auth-http.provider';