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| /**
* Copyright 2017 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
import { ErrorFactory, base64 } from '@firebase/util';
import Errors from './errors';
import arrayBufferToBase64 from '../helpers/array-buffer-to-base64';
import FCMDetails from './fcm-details';
export default class IIDModel {
private errorFactory_: ErrorFactory<string>;
constructor() {
this.errorFactory_ = new ErrorFactory('messaging', 'Messaging', Errors.map);
}
/**
* Given a PushSubscription and messagingSenderId, get an FCM token.
* @public
* @param {string} senderId The 'messagingSenderId' to tie the token to.
* @param {PushSubscription} subscription The PushSusbcription to "federate".
* @param {Uint8Array} publicVapidKey The public VAPID key.
* @return {Promise<!Object>} Returns the FCM token to be used in place
* of the PushSubscription.
*/
getToken(senderId, subscription, publicVapidKey): Promise<Object> {
const p256dh = arrayBufferToBase64(subscription['getKey']('p256dh'));
const auth = arrayBufferToBase64(subscription['getKey']('auth'));
let fcmSubscribeBody =
`authorized_entity=${senderId}&` +
`endpoint=${subscription.endpoint}&` +
`encryption_key=${p256dh}&` +
`encryption_auth=${auth}`;
if (publicVapidKey !== FCMDetails.DEFAULT_PUBLIC_VAPID_KEY) {
const applicationPubKey = arrayBufferToBase64(publicVapidKey);
fcmSubscribeBody += `&application_pub_key=${applicationPubKey}`;
}
const headers = new Headers();
headers.append('Content-Type', 'application/x-www-form-urlencoded');
const subscribeOptions = {
method: 'POST',
headers: headers,
body: fcmSubscribeBody
};
return fetch(
FCMDetails.ENDPOINT + '/fcm/connect/subscribe',
subscribeOptions
)
.then(response => response.json())
.catch(() => {
throw this.errorFactory_.create(Errors.codes.TOKEN_SUBSCRIBE_FAILED);
})
.then(response => {
const fcmTokenResponse = response;
if (fcmTokenResponse['error']) {
const message = fcmTokenResponse['error']['message'];
throw this.errorFactory_.create(Errors.codes.TOKEN_SUBSCRIBE_FAILED, {
message: message
});
}
if (!fcmTokenResponse['token']) {
throw this.errorFactory_.create(
Errors.codes.TOKEN_SUBSCRIBE_NO_TOKEN
);
}
if (!fcmTokenResponse['pushSet']) {
throw this.errorFactory_.create(
Errors.codes.TOKEN_SUBSCRIBE_NO_PUSH_SET
);
}
return {
token: fcmTokenResponse['token'],
pushSet: fcmTokenResponse['pushSet']
};
});
}
/**
* Update the underlying token details for fcmToken.
*/
updateToken(
senderId: string,
fcmToken: string,
fcmPushSet: string,
subscription: PushSubscription,
publicVapidKey: Uint8Array
): Promise<string> {
const p256dh = arrayBufferToBase64(subscription['getKey']('p256dh'));
const auth = arrayBufferToBase64(subscription['getKey']('auth'));
let fcmUpdateBody =
`push_set=${fcmPushSet}&` +
`token=${fcmToken}&` +
`authorized_entity=${senderId}&` +
`endpoint=${subscription.endpoint}&` +
`encryption_key=${p256dh}&` +
`encryption_auth=${auth}`;
if (publicVapidKey !== FCMDetails.DEFAULT_PUBLIC_VAPID_KEY) {
const applicationPubKey = arrayBufferToBase64(publicVapidKey);
fcmUpdateBody += `&application_pub_key=${applicationPubKey}`;
}
const headers = new Headers();
headers.append('Content-Type', 'application/x-www-form-urlencoded');
const updateOptions = {
method: 'POST',
headers: headers,
body: fcmUpdateBody
};
let updateFetchRes;
return fetch(FCMDetails.ENDPOINT + '/fcm/connect/subscribe', updateOptions)
.then(fetchResponse => {
updateFetchRes = fetchResponse;
return fetchResponse.json();
})
.catch(() => {
throw this.errorFactory_.create(Errors.codes.TOKEN_UPDATE_FAILED);
})
.then(fcmTokenResponse => {
if (!updateFetchRes.ok) {
const message = fcmTokenResponse['error']['message'];
throw this.errorFactory_.create(Errors.codes.TOKEN_UPDATE_FAILED, {
message: message
});
}
if (!fcmTokenResponse['token']) {
throw this.errorFactory_.create(Errors.codes.TOKEN_UPDATE_NO_TOKEN);
}
return fcmTokenResponse['token'];
});
}
/**
* Given a fcmToken, pushSet and messagingSenderId, delete an FCM token.
*/
deleteToken(
senderId: string,
fcmToken: string,
fcmPushSet: string
): Promise<void> {
let fcmUnsubscribeBody =
`authorized_entity=${senderId}&` +
`token=${fcmToken}&` +
`pushSet=${fcmPushSet}`;
const headers = new Headers();
headers.append('Content-Type', 'application/x-www-form-urlencoded');
const unsubscribeOptions = {
method: 'POST',
headers: headers,
body: fcmUnsubscribeBody
};
return fetch(
FCMDetails.ENDPOINT + '/fcm/connect/unsubscribe',
unsubscribeOptions
).then(fetchResponse => {
if (!fetchResponse.ok) {
return fetchResponse.json().then(
fcmTokenResponse => {
Eif (fcmTokenResponse['error']) {
const message = fcmTokenResponse['error']['message'];
throw this.errorFactory_.create(
Errors.codes.TOKEN_UNSUBSCRIBE_FAILED,
{
message: message
}
);
}
},
err => {
throw this.errorFactory_.create(
Errors.codes.TOKEN_UNSUBSCRIBE_FAILED
);
}
);
}
});
}
}
|