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import {Injectable} from '@angular/core';
import {Http, XHRBackend, RequestOptions, Request, RequestOptionsArgs, Response, Headers} from '@angular/http';
import {Observable} from 'rxjs/Observable';
import {UUID} from 'angular2-uuid';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/catch';
import {Dictionary} from "../../utils/dictionary/dictionary";
import {SharingService, CookieService} from "app/services";
import {sdc2Config} from './../../../main';
@Injectable()
export class HttpService extends Http {
constructor(backend:XHRBackend, options:RequestOptions, private sharingService:SharingService, private cookieService: CookieService) {
super(backend, options);
this._defaultOptions.withCredentials = true;
this._defaultOptions.headers.append(cookieService.getUserIdSuffix(), cookieService.getUserId());
}
request(request:string|Request, options?:RequestOptionsArgs):Observable<Response> {
/**
* For every request to the server, that the service id, or resource id is sent in the URL, need to pass UUID in the header.
* Check if the unique id exists in uuidMap, and if so get the UUID and add it to the header.
*/
if (typeof request === 'string') { // meaning we have to add the token to the options, not in url
if (!options) {
// make option object
options = {headers: new Headers()};
}
var uuidValue = this.getUuidValue(request);
if(uuidValue!= ''){
options.headers['X-ECOMP-ServiceID'] = uuidValue;
}
options.headers.set('X-ECOMP-RequestID', UUID.UUID());
} else {
// we have to add the token to the url object
var uuidValue = this.getUuidValue((<Request>request).url);
if(uuidValue!= ''){
request.headers.set('X-ECOMP-ServiceID',uuidValue);
}
request.headers.set('X-ECOMP-RequestID', UUID.UUID());
}
return super.request(request, options).catch(this.catchAuthError(this));
}
private getUuidValue = (url: string) :string => {
let map:Dictionary<string, string> = this.sharingService.getUuidMap();
if (map && url.indexOf(sdc2Config.api.root) > 0) {
map.forEach((key:string) => {
if (url.indexOf(key) !== -1) {
return this.sharingService.getUuidValue(key);
}
});
}
return '';
}
private catchAuthError(self:HttpService) {
// we have to pass HttpService's own instance here as `self`
return (res:Response) => {
console.log(res);
if (res.status === 401 || res.status === 403) {
// if not authenticated
console.log(res);
}
return Observable.throw(res);
};
}
}
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