openvidu/openvidu-components-angular/src/app/services/rest.service.ts

90 lines
2.9 KiB
TypeScript

import { Injectable } from '@angular/core';
import { HttpClient, HttpHeaders } from '@angular/common/http';
import { catchError, lastValueFrom } from 'rxjs';
import { throwError as observableThrowError } from 'rxjs/internal/observable/throwError';
@Injectable({
providedIn: 'root'
})
export class RestService {
private baseHref: string;
constructor(private http: HttpClient) {
this.baseHref = '/' + (!!window.location.pathname.split('/')[1] ? window.location.pathname.split('/')[1] + '/' : '');
}
async getToken(sessionId: string, openviduServerUrl?: string, openviduSecret?: string): Promise<string> {
if (!!openviduServerUrl && !!openviduSecret) {
const _sessionId = await this.createSession(sessionId, openviduServerUrl, openviduSecret);
return await this.createToken(_sessionId, openviduServerUrl, openviduSecret);
}
// try {
// return lastValueFrom(this.http.post<any>(this.baseHref + 'call', { sessionId }));
// } catch (error) {
// if (error.status === 404) {
// throw { status: error.status, message: 'Cannot connect with backend. ' + error.url + ' not found' };
// }
// throw error;
// }
}
/**
*
* * WARNING: This is why this tutorial is an insecure application.
* * We need to ask OpenVidu Server for a user token in order to connect to our session.
* * This process should entirely take place in our server-side
*/
private createSession(sessionId: string, openviduServerUrl: string, openviduSecret: string): Promise<string> {
return new Promise((resolve, reject) => {
const body = JSON.stringify({ customSessionId: sessionId });
const options = {
headers: new HttpHeaders({
Authorization: 'Basic ' + btoa('OPENVIDUAPP:' + openviduSecret),
'Content-Type': 'application/json'
})
};
return this.http
.post<any>(openviduServerUrl + '/openvidu/api/sessions', body, options)
.pipe(
catchError((error) => {
if (error.status === 409) {
resolve(sessionId);
}
if (error.statusText === 'Unknown Error') {
reject({ status: 401, message: 'ERR_CERT_AUTHORITY_INVALID' });
}
return observableThrowError(error);
})
)
.subscribe((response) => {
resolve(response.id);
});
});
}
private createToken(sessionId: string, openviduServerUrl: string, openviduSecret: string): Promise<string> {
return new Promise((resolve, reject) => {
const body = JSON.stringify({});
const options = {
headers: new HttpHeaders({
Authorization: 'Basic ' + btoa('OPENVIDUAPP:' + openviduSecret),
'Content-Type': 'application/json'
})
};
return this.http
.post<any>(openviduServerUrl + '/openvidu/api/sessions/' + sessionId + '/connection', body, options)
.pipe(
catchError((error) => {
reject(error);
return observableThrowError(error);
})
)
.subscribe((response) => {
console.warn(response);
resolve(response.token);
});
});
}
}