angular-http-interceptors

问题 I developed my app backend using java and springboot 2.x, and in the other hand I have my angular app. I also use the OAuth2 protocol to log in, and what I need is to save the JSESSION id google provides after logging in a cookie so then send it in every request to the backend app. I read about using HttpInterceptor but I can not work it out. Any help? Thanks 回答1: Angular HTTPInterceptor is the most appropriate solution . You can use it applying the following steps: 1: Build your

问题 I am trying to add Authorization header to all my requests and am facing some issues. Even though I am adding the headers, the headers are not being used when network call is made. Below is my interceptors code: const user: string = localStorage.getItem('user'); const token: string = localStorage.getItem('token'); const authReq = request.clone({ headers: request.headers.set('Authorization', user + ',' + token) }); return next.handle(authReq); I have taken this code from angular documentation,

问题 i am new to angular 5 . How to code a common function to show spinner for every HTTP request in angular 5.Please help me to implement this. 回答1: You can use Angular HttpInterceptor to show a spinner for all your requests, Here's a good medium article on how to implement an http interceptor Also, you will have to create a spinner service/module and inject it in your http interceptor. Finally, in your intercept method you can use the finally rxJs method to stop your spinner. Here's a simple

问题 My app receives a custom header in response from web api using the following this._http.get("SomeUrl", {observe:"response"}); I'm able to set the headers and params in HttpInterceptor to make all api calls and receive the response with custom header. My question is if there is a way to set {observe:"response"} in HttpInterceptor for all the api calls just like we can set headers and parameters globally? Any help would be appreciated. 回答1: {observe:"response"}); has to be always along with the

问题 I am using an interceptor with HttpInterceptor in angular 5 and I have a problem with rxjs where all my http requests are duplicated. import { Router } from '@angular/router'; import { Injectable, ApplicationRef } from '@angular/core'; import { HttpEvent, HttpInterceptor, HttpHandler, HttpRequest, HttpResponse } from '@angular/common/http'; import { Observable } from 'rxjs/Rx'; import 'rxjs/add/observable/throw'; import 'rxjs/add/operator/catch'; import 'rxjs/add/observable/empty'; import {

问题 I have a loading-interceptor who shows up a loading every time I make a http request and it works very well,the loading spinner its full screen, but I made a searchcomponent, that it is an input and every time I write inside the input, it make a http request and get all the data, but the problem is that the loading shows up in full screen and I want that loading have another behaivor in this kind of request, how can I say to my interceptor that when the call is made by the input dont shows up

问题 I have my angular 4 application which sends multiple request at the same time one after another to the API which is protected by OAuth2, I m facing issue when the request fails with 401 status code,I need to generate a new access token and re initiate the same request to the API and return the response to the method which is waiting for it. 1- All the request fails one after another - so in order to hold other request to proceed i have added a loop which holds the request coming to the server

问题 I am trying to test HttpInterceptor that logs the response of the http request. I have a log service that logs the response of the request. The interceptor logs only for GET requeststs. Here's my interceptor: import { HttpInterceptor, HttpHandler, HttpEvent, HttpRequest, HttpResponse } from '@angular/common/http'; import { Observable } from 'rxjs'; import { tap } from 'rxjs/operators'; import { LogService } from './log.service'; import { Injectable } from '@angular/core'; @Injectable(

问题 I've implemented my interceptor where I control error status, and I am confused about where should i catch errors or what should I use : .of, throw or empty ? intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> { if (!req.url.includes('auth')) { console.log("NO INCLUDE auth ") let getTsObs = Observable.fromPromise(this.storage.get('token')); const tokenObservable = getTsObs.map(token => { return req = req.clone({ setHeaders: { Authorization: `Bearer ${token}` } });

问题 I have an issue with using mobile app that I created in Ionic and back-end APIs that I coded in play framework, my issue simply is I need way to handle security matter for calling APIs that need to be secured, mean user must be logged in to do actions, as example guest can view group but can join only if logged in. My issue that I believe that cookies is not supported for Mobile, i have code checking session that stored in cookies, its working for website, but it will not work for mobile,