@pazznetwork/ngx-chat
Version:
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80 lines • 14.4 kB
JavaScript
import { client, xml } from '@xmpp/client';
import { Subject } from 'rxjs';
import { first, takeUntil } from 'rxjs/operators';
import { getDomain } from '../../../../core/get-domain';
import { timeout } from '../../../../core/utils-timeout';
import { AbstractXmppPlugin } from './abstract-xmpp-plugin';
/**
* XEP-0077: In-Band Registration
* see: https://xmpp.org/extensions/xep-0077.html
* Handles registration over the XMPP chat instead of relaying on a admin user account management
*/
export class RegistrationPlugin extends AbstractXmppPlugin {
constructor(logService, ngZone) {
super();
this.logService = logService;
this.ngZone = ngZone;
this.registered$ = new Subject();
this.cleanUp = new Subject();
this.loggedIn$ = new Subject();
this.registrationTimeout = 5000;
}
/**
* Promise resolves if user account is registered successfully,
* rejects if an error happens while registering, e.g. the username is already taken.
*/
async register(username, password, service, domain) {
await this.ngZone.runOutsideAngular(async () => {
try {
await timeout((async () => {
domain = domain || getDomain(service);
this.logService.debug('registration plugin', 'connecting...');
await this.connect(username, password, service, domain);
this.logService.debug('registration plugin', 'connection established, starting registration');
await this.client.iqCaller.request(xml('iq', { type: 'get', to: domain }, xml('query', { xmlns: 'jabber:iq:register' })));
this.logService.debug('registration plugin', 'server acknowledged registration request, sending credentials');
await this.client.iqCaller.request(xml('iq', { type: 'set' }, xml('query', { xmlns: 'jabber:iq:register' }, xml('username', {}, username), xml('password', {}, password))));
this.registered$.next();
await this.loggedIn$.pipe(takeUntil(this.cleanUp), first()).toPromise();
this.logService.debug('registration plugin', 'registration successful');
})(), this.registrationTimeout);
}
catch (e) {
this.logService.warn('error registering', e);
throw e;
}
finally {
this.cleanUp.next();
this.logService.debug('registration plugin', 'cleaning up');
await this.client.stop();
}
});
}
connect(username, password, service, domain) {
return new Promise(resolveConnectionEstablished => {
this.client = client({
domain: domain || getDomain(service),
service,
credentials: async (authenticationCallback) => {
resolveConnectionEstablished();
await this.registered$.pipe(takeUntil(this.cleanUp), first()).toPromise();
await authenticationCallback({ username, password });
}
});
this.client.reconnect.stop();
this.client.timeout = this.registrationTimeout;
this.client.on('online', () => {
this.logService.debug('registration plugin', 'online event');
this.loggedIn$.next();
});
this.client.on('error', (err) => {
this.logService.error('registration plugin', err);
});
this.client.on('offline', () => {
this.logService.debug('registration plugin', 'offline event');
});
return this.client.start();
});
}
}
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{ NgZone } from '@angular/core';\nimport { Client, client, xml } from '@xmpp/client';\nimport { Subject } from 'rxjs';\nimport { first, takeUntil } from 'rxjs/operators';\nimport { getDomain } from '../../../../core/get-domain';\nimport { timeout } from '../../../../core/utils-timeout';\nimport { LogService } from '../../../log.service';\nimport { AbstractXmppPlugin } from './abstract-xmpp-plugin';\n\n/**\n * XEP-0077: In-Band Registration\n * see: https://xmpp.org/extensions/xep-0077.html\n * Handles registration over the XMPP chat instead of relaying on a admin user account management\n */\nexport class RegistrationPlugin extends AbstractXmppPlugin {\n\n    private readonly registered$ = new Subject<void>();\n    private readonly cleanUp = new Subject<void>();\n    private readonly loggedIn$ = new Subject<void>();\n    private readonly registrationTimeout = 5000;\n    private client: Client;\n\n    constructor(private logService: LogService,\n                private ngZone: NgZone) {\n        super();\n    }\n\n    /**\n     * Promise resolves if user account is registered successfully,\n     * rejects if an error happens while registering, e.g. the username is already taken.\n     */\n    public async register(username: string,\n                          password: string,\n                          service: string,\n                          domain: string): Promise<void> {\n        await this.ngZone.runOutsideAngular(async () => {\n            try {\n                await timeout((async () => {\n                    domain = domain || getDomain(service);\n\n                    this.logService.debug('registration plugin', 'connecting...');\n                    await this.connect(username, password, service, domain);\n\n                    this.logService.debug('registration plugin', 'connection established, starting registration');\n                    await this.client.iqCaller.request(\n                        xml('iq', {type: 'get', to: domain},\n                            xml('query', {xmlns: 'jabber:iq:register'})\n                        )\n                    );\n\n                    this.logService.debug('registration plugin', 'server acknowledged registration request, sending credentials');\n                    await this.client.iqCaller.request(\n                        xml('iq', {type: 'set'},\n                            xml('query', {xmlns: 'jabber:iq:register'},\n                                xml('username', {}, username),\n                                xml('password', {}, password)\n                            )\n                        )\n                    );\n\n                    this.registered$.next();\n                    await this.loggedIn$.pipe(takeUntil(this.cleanUp), first()).toPromise();\n                    this.logService.debug('registration plugin', 'registration successful');\n                })(), this.registrationTimeout);\n            } catch (e) {\n                this.logService.warn('error registering', e);\n                throw e;\n            } finally {\n                this.cleanUp.next();\n                this.logService.debug('registration plugin', 'cleaning up');\n                await this.client.stop();\n            }\n        });\n    }\n\n    private connect(username: string, password: string, service: string, domain?: string): Promise<void> {\n        return new Promise(resolveConnectionEstablished => {\n            this.client = client({\n                domain: domain || getDomain(service),\n                service,\n                credentials: async (authenticationCallback) => {\n                    resolveConnectionEstablished();\n                    await this.registered$.pipe(takeUntil(this.cleanUp), first()).toPromise();\n                    await authenticationCallback({username, password});\n                }\n            });\n\n            this.client.reconnect.stop();\n            this.client.timeout = this.registrationTimeout;\n\n            this.client.on('online', () => {\n                this.logService.debug('registration plugin', 'online event');\n                this.loggedIn$.next();\n            });\n\n            this.client.on('error', (err: any) => {\n                this.logService.error('registration plugin', err);\n            });\n\n            this.client.on('offline', () => {\n                this.logService.debug('registration plugin', 'offline event');\n            });\n\n            return this.client.start();\n        });\n    }\n}\n"]}