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Adding client side check of setVariable with writableBy property

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This commit is contained in:
David Négrier 2021-07-06 10:58:12 +02:00
parent 86fa869b20
commit cb78ff333b
5 changed files with 95 additions and 11 deletions
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38
front/src/Phaser/Game/SharedVariablesManager.ts
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@ -9,7 +9,9 @@ import type {ITile, ITiledMapObject} from "../Map/ITiledMap";
import type {Var} from "svelte/types/compiler/interfaces";
interface Variable {
defaultValue: unknown
defaultValue: unknown,
readableBy?: string,
writableBy?: string,
}
export class SharedVariablesManager {
@ -30,15 +32,24 @@ export class SharedVariablesManager {
iframeListener.registerAnswerer('setVariable', (event) => {
const key = event.key;
if (!this.variableObjects.has(key)) {
const object = this.variableObjects.get(key);
if (object === undefined) {
const errMsg = 'A script is trying to modify variable "'+key+'" but this variable is not defined in the map.' +
'There should be an object in the map whose name is "'+key+'" and whose type is "variable"';
console.error(errMsg);
throw new Error(errMsg);
}
if (object.writableBy && !this.roomConnection.hasTag(object.writableBy)) {
const errMsg = 'A script is trying to modify variable "'+key+'" but this variable is only writable for users with tag "'+object.writableBy+'".';
console.error(errMsg);
throw new Error(errMsg);
}
this._variables.set(key, event.value);
// TODO: dispatch to the room connection.
this.roomConnection.emitSetVariableEvent(key, event.value);
});
}
@ -68,8 +79,27 @@ export class SharedVariablesManager {
if (object.properties) {
for (const property of object.properties) {
if (property.name === 'default') {
variable.defaultValue = property.value;
const value = property.value;
switch (property.name) {
case 'default':
variable.defaultValue = value;
break;
case 'writableBy':
if (typeof value !== 'string') {
throw new Error('The writableBy property of variable "'+object.name+'" must be a string');
}
if (value) {
variable.writableBy = value;
}
break;
case 'readableBy':
if (typeof value !== 'string') {
throw new Error('The readableBy property of variable "'+object.name+'" must be a string');
}
if (value) {
variable.readableBy = value;
}
break;
}
}
}