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Make private API object properties inaccessible to page scripts

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hensm
2019-03-16 13:13:25 +00:00
parent 2fae7192b2
commit df5bcd597d
2 changed files with 81 additions and 60 deletions
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98
ext/src/shim/cast/classes/Session.ts
View File

@@ -28,6 +28,18 @@ import { Callbacks
, UpdateListener } from "../../types";
const _id = new WeakMap<Session, string>();
const _messageListeners = new WeakMap<Session, Map<string, Set<MessageListener>>>();
const _updateListeners = new WeakMap<Session, Set<UpdateListener>>();
const _leaveCallbacks = new WeakMap<Session, CallbacksMap>();
const _sendMessageCallbacks = new WeakMap<Session, CallbacksMap>();
const _setReceiverMutedCallbacks = new WeakMap<Session, CallbacksMap>();
const _setReceiverVolumeLevelCallbacks = new WeakMap<Session, CallbacksMap>();
const _stopCallbacks = new WeakMap<Session, CallbacksMap>();
export default class Session {
public media: Media[];
public namespaces: Array<{ name: "string" }>;
@@ -36,18 +48,6 @@ export default class Session {
public statusText: string;
public transportId: string;
private _id: string = uuid();
private _messageListeners = new Map<string, Set<MessageListener>>();
private _updateListeners = new Set<UpdateListener>();
private _leaveCallbacks: CallbacksMap = new Map();
private _sendMessageCallbacks: CallbacksMap = new Map();
private _setReceiverMutedCallbacks: CallbacksMap = new Map();
private _setReceiverVolumeLevelCallbacks: CallbacksMap = new Map();
private _stopCallbacks: CallbacksMap = new Map();
constructor (
public sessionId: string
, public appId: string
@@ -56,6 +56,18 @@ export default class Session {
, public receiver: Receiver
, _successCallback: (session: Session) => void) {
_id.set(this, uuid());
_messageListeners.set(this, new Map());
_updateListeners.set(this, new Set());
_leaveCallbacks.set(this, new Map());
_sendMessageCallbacks.set(this, new Map());
_setReceiverMutedCallbacks.set(this, new Map());
_setReceiverVolumeLevelCallbacks.set(this, new Map());
_stopCallbacks.set(this, new Map());
this.media = [];
this.namespaces = [];
this.senderApps = [];
@@ -72,13 +84,13 @@ export default class Session {
, appId
, sessionId
}
, _id: this._id
, _id: _id.get(this)
});
}
onMessage(message => {
// Filter other session messages
if (message._id && message._id !== this._id) {
if (message._id && message._id !== _id.get(this)) {
return;
}
@@ -86,7 +98,7 @@ export default class Session {
case "shim:/session/stopped": {
this.status = SessionStatus.STOPPED;
for (const listener of this._updateListeners) {
for (const listener of _updateListeners.get(this)) {
listener(false);
}
@@ -134,7 +146,7 @@ export default class Session {
case "shim:/session/impl_addMessageListener": {
const { namespace, data } = message.data;
for (const listener of
this._messageListeners.get(namespace)) {
_messageListeners.get(this).get(namespace)) {
listener(namespace, data);
}
@@ -144,7 +156,7 @@ export default class Session {
case "shim:/session/impl_sendMessage": {
const { messageId, error } = message.data;
const [ successCallback, errorCallback ]
= this._sendMessageCallbacks.get(messageId);
= _sendMessageCallbacks.get(this).get(messageId);
if (error && errorCallback) {
errorCallback(new _Error(ErrorCode.SESSION_ERROR));
@@ -152,7 +164,7 @@ export default class Session {
successCallback();
}
this._sendMessageCallbacks.delete(messageId);
_sendMessageCallbacks.get(this).delete(messageId);
break;
}
@@ -160,7 +172,7 @@ export default class Session {
case "shim:/session/impl_setReceiverMuted": {
const { volumeId, error } = message.data;
const [ successCallback, errorCallback ]
= this._setReceiverMutedCallbacks.get(volumeId);
= _setReceiverMutedCallbacks.get(this).get(volumeId);
if (error && errorCallback) {
errorCallback(new _Error(ErrorCode.SESSION_ERROR));
@@ -168,7 +180,7 @@ export default class Session {
successCallback();
}
this._setReceiverMutedCallbacks.delete(volumeId);
_setReceiverMutedCallbacks.get(this).delete(volumeId);
break;
}
@@ -176,7 +188,7 @@ export default class Session {
case "shim:/session/impl_setReceiverVolumeLevel": {
const { volumeId, error } = message.data;
const [ successCallback, errorCallback ]
= this._setReceiverVolumeLevelCallbacks
= _setReceiverVolumeLevelCallbacks.get(this)
.get(volumeId);
if (error && errorCallback) {
@@ -185,7 +197,7 @@ export default class Session {
successCallback();
}
this._setReceiverVolumeLevelCallbacks.delete(volumeId);
_setReceiverVolumeLevelCallbacks.get(this).delete(volumeId);
break;
}
@@ -193,14 +205,14 @@ export default class Session {
case "shim:/session/impl_stop": {
const { stopId, error } = message.data;
const [ successCallback, errorCallback ]
= this._stopCallbacks.get(stopId);
= _stopCallbacks.get(this).get(stopId);
if (error && errorCallback) {
errorCallback(new _Error(ErrorCode.SESSION_ERROR));
} else {
this.status = SessionStatus.STOPPED;
for (const listener of this._updateListeners) {
for (const listener of _updateListeners.get(this)) {
listener(false);
}
@@ -209,7 +221,7 @@ export default class Session {
}
}
this._stopCallbacks.delete(stopId);
_stopCallbacks.get(this).delete(stopId);
break;
}
@@ -226,21 +238,21 @@ export default class Session {
namespace: string
, listener: MessageListener) {
if (!this._messageListeners.has(namespace)) {
this._messageListeners.set(namespace, new Set());
if (!_messageListeners.get(this).has(namespace)) {
_messageListeners.get(this).set(namespace, new Set());
}
this._messageListeners.get(namespace).add(listener);
_messageListeners.get(this).get(namespace).add(listener);
sendMessageResponse({
subject: "bridge:/session/impl_addMessageListener"
, data: { namespace }
, _id: this._id
, _id: _id.get(this)
});
}
public addUpdateListener (listener: UpdateListener) {
this._updateListeners.add(listener);
_updateListeners.get(this).add(listener);
}
public leave (
@@ -252,10 +264,10 @@ export default class Session {
sendMessageResponse({
subject: "bridge:/session/impl_leave"
, data: { id }
, _id: this._id
, _id: _id.get(this)
});
this._leaveCallbacks.set(id, [
_leaveCallbacks.get(this).set(id, [
successCallback
, errorCallback
]);
@@ -295,7 +307,7 @@ export default class Session {
const media = new Media(
this.sessionId
, mediaObject.status[0].mediaSessionId
, this._id);
, _id.get(this));
media.media = loadRequest.media;
this.media = [ media ];
@@ -324,14 +336,14 @@ export default class Session {
namespace: string
, listener: MessageListener): void {
this._messageListeners.get(namespace).delete(listener);
_messageListeners.get(this).get(namespace).delete(listener);
}
public removeUpdateListener (
namespace: string
, listener: UpdateListener): void {
this._updateListeners.delete(listener);
_updateListeners.get(this).delete(listener);
}
public sendMessage (
@@ -349,10 +361,10 @@ export default class Session {
, message
, messageId
}
, _id: this._id
, _id: _id.get(this)
});
this._sendMessageCallbacks.set(messageId, [
_sendMessageCallbacks.get(this).set(messageId, [
successCallback
, errorCallback
]);
@@ -368,10 +380,10 @@ export default class Session {
sendMessageResponse({
subject: "bridge:/session/impl_setReceiverMuted"
, data: { muted, volumeId }
, _id: this._id
, _id: _id.get(this)
});
this._setReceiverMutedCallbacks.set(volumeId, [
_setReceiverMutedCallbacks.get(this).set(volumeId, [
successCallback
, errorCallback
]);
@@ -387,10 +399,10 @@ export default class Session {
sendMessageResponse({
subject: "bridge:/session/impl_setReceiverVolumeLevel"
, data: { newLevel, volumeId }
, _id: this._id
, _id: _id.get(this)
});
this._setReceiverVolumeLevelCallbacks.set(volumeId, [
_setReceiverVolumeLevelCallbacks.get(this).set(volumeId, [
successCallback
, errorCallback
]);
@@ -405,10 +417,10 @@ export default class Session {
sendMessageResponse({
subject: "bridge:/session/impl_stop"
, data: { stopId }
, _id: this._id
, _id: _id.get(this)
});
this._stopCallbacks.set(stopId, [
_stopCallbacks.get(this).set(stopId, [
successCallback
, errorCallback
]);

43
ext/src/shim/media/classes/Media.ts
View File

@@ -32,6 +32,14 @@ import { Callbacks
, UpdateListener } from "../../types";
const _id = new WeakMap<Media, string>();
const _updateListeners = new WeakMap<Media, Set<UpdateListener>>();
const _sendMediaMessageCallbacks = new WeakMap<Media, CallbacksMap>();
const _lastCurrentTime = new WeakMap<Media, number>();
export default class Media {
public activeTrackIds: number[] = null;
public currentItemId: number = null;
@@ -49,18 +57,19 @@ export default class Media {
public volume: Volume = new Volume();
private _id: string = uuid();
private _updateListeners = new Set<UpdateListener>();
private _sendMediaMessageCallbacks: CallbacksMap = new Map();
private _lastCurrentTime: number;
constructor (
public sessionId: string
, public mediaSessionId: number
, _internalSessionId: string) {
_id.set(this, uuid());
_updateListeners.set(this, new Set());
_sendMediaMessageCallbacks.set(this, new Map());
_lastCurrentTime.set(this, undefined);
sendMessageResponse({
subject: "bridge:/media/initialize"
, data: {
@@ -68,11 +77,11 @@ export default class Media {
, mediaSessionId
, _internalSessionId
}
, _id: this._id
, _id: _id.get(this)
});
onMessage(message => {
if (!message._id || message._id !== this._id) {
if (!message._id || message._id !== _id.get(this)) {
return;
}
@@ -81,7 +90,7 @@ export default class Media {
const status = message.data;
this.currentTime = status.currentTime;
this._lastCurrentTime = status._lastCurrentTime;
_lastCurrentTime.set(this, status._lastCurrentTime);
this.customData = status.customData;
this.volume = new Volume(
status._volumeLevel
@@ -98,7 +107,7 @@ export default class Media {
}
// Call update listeners
for (const listener of this._updateListeners) {
for (const listener of _updateListeners.get(this)) {
listener(true);
}
@@ -108,7 +117,7 @@ export default class Media {
case "shim:/media/sendMediaMessageResponse": {
const { messageId, error } = message.data;
const [ successCallback, errorCallback ]
= this._sendMediaMessageCallbacks.get(messageId);
= _sendMediaMessageCallbacks.get(this).get(messageId);
if (error && errorCallback) {
errorCallback(new _Error(ErrorCode.SESSION_ERROR));
@@ -124,7 +133,7 @@ export default class Media {
}
public addUpdateListener (listener: UpdateListener): void {
this._updateListeners.add(listener);
_updateListeners.get(this).add(listener);
}
public editTracksInfo (
@@ -141,7 +150,7 @@ export default class Media {
}
return this.currentTime
+ ((Date.now() / 1000) - this._lastCurrentTime);
+ ((Date.now() / 1000) - _lastCurrentTime.get(this));
}
public getStatus (
@@ -241,7 +250,7 @@ export default class Media {
}
public removeUpdateListener (listener: UpdateListener) {
this._updateListeners.delete(listener);
_updateListeners.get(this).delete(listener);
}
public seek (
@@ -294,7 +303,7 @@ export default class Media {
const messageId = uuid();
this._sendMediaMessageCallbacks.set(messageId, [
_sendMediaMessageCallbacks.get(this).set(messageId, [
successCallback
, errorCallback
]);
@@ -305,7 +314,7 @@ export default class Media {
message
, messageId
}
, _id: this._id
, _id: _id.get(this)
});
}
}