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Merge pull request #16583 from Snuffleupagus/Firefox-disable-pref-changes

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[Firefox] Disable the ability to change preferences directly from the viewer
This commit is contained in:
Jonas Jenwald 2023-06-21 21:07:28 +02:00 committed by GitHub
commit 24b2c3a5e3
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 6 deletions
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8
web/firefoxcom.js
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@ -174,13 +174,9 @@ class DownloadManager {
} }
class FirefoxPreferences extends BasePreferences { class FirefoxPreferences extends BasePreferences {
async _writeToStorage(prefObj) {
return FirefoxCom.requestAsync("setPreferences", prefObj);
}
async _readFromStorage(prefObj) { async _readFromStorage(prefObj) {
const prefStr = await FirefoxCom.requestAsync("getPreferences", prefObj); const prefs = await FirefoxCom.requestAsync("getPreferences", prefObj);
return JSON.parse(prefStr); return typeof prefs === "string" ? JSON.parse(prefs) : prefs;
} }
} }

6
web/preferences.js
View File

@ -83,6 +83,9 @@ class BasePreferences {
* have been reset. * have been reset.
*/ */
async reset() { async reset() {
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) {
throw new Error("Please use `about:config` to change preferences.");
}
await this.#initializedPromise; await this.#initializedPromise;
const prefs = this.#prefs; const prefs = this.#prefs;
@ -102,6 +105,9 @@ class BasePreferences {
* provided that the preference exists and the types match. * provided that the preference exists and the types match.
*/ */
async set(name, value) { async set(name, value) {
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("MOZCENTRAL")) {
throw new Error("Please use `about:config` to change preferences.");
}
await this.#initializedPromise; await this.#initializedPromise;
const defaultValue = this.#defaults[name], const defaultValue = this.#defaults[name],
prefs = this.#prefs; prefs = this.#prefs;