gecko-dev/toolkit/components/extensions/ext-permissions.js

98 строки
3.0 KiB
JavaScript
Исходник Обычный вид История

"use strict";
const {classes: Cc, interfaces: Ci, utils: Cu, results: Cr} = Components;
Cu.import("resource://gre/modules/ExtensionUtils.jsm");
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "ExtensionPermissions",
"resource://gre/modules/ExtensionPermissions.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "NetUtil",
"resource://gre/modules/NetUtil.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Services",
"resource://gre/modules/Services.jsm");
const {
ExtensionError,
} = ExtensionUtils;
XPCOMUtils.defineLazyPreferenceGetter(this, "promptsEnabled",
"extensions.webextOptionalPermissionPrompts");
extensions.registerSchemaAPI("permission", "addon_parent", context => {
return {
permissions: {
async request_parent(perms) {
let {permissions, origins} = perms;
let manifestPermissions = context.extension.manifest.optional_permissions;
for (let perm of permissions) {
if (!manifestPermissions.includes(perm)) {
throw new ExtensionError(`Cannot request permission ${perm} since it was not declared in optional_permissions`);
}
}
let optionalOrigins = context.extension.optionalOrigins;
for (let origin of origins) {
if (!optionalOrigins.subsumes(origin)) {
throw new ExtensionError(`Cannot request origin permission for ${origin} since it was not declared in optional_permissions`);
}
}
if (promptsEnabled) {
let allow = await new Promise(resolve => {
let subject = {
wrappedJSObject: {
browser: context.xulBrowser,
name: context.extension.name,
icon: context.extension.iconURL,
permissions: {permissions, origins},
resolve,
},
};
Services.obs.notifyObservers(subject, "webextension-optional-permission-prompt", null);
});
if (!allow) {
return false;
}
}
await ExtensionPermissions.add(context.extension, perms);
return true;
},
async getAll() {
let perms = context.extension.userPermissions;
delete perms.apis;
return perms;
},
async contains(permissions) {
for (let perm of permissions.permissions) {
if (!context.extension.hasPermission(perm)) {
return false;
}
}
for (let origin of permissions.origins) {
if (!context.extension.whiteListedHosts.subsumes(origin)) {
return false;
}
}
return true;
},
async remove(permissions) {
await ExtensionPermissions.remove(context.extension, permissions);
return true;
},
},
};
});
/* eslint-disable mozilla/balanced-listeners */
extensions.on("uninstall", extension => {
ExtensionPermissions.removeAll(extension);
});