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authorMatt A. Tobin <email@mattatobin.com>2018-02-10 02:51:36 -0500
committerMatt A. Tobin <email@mattatobin.com>2018-02-10 02:51:36 -0500
commit37d5300335d81cecbecc99812747a657588c63eb (patch)
tree765efa3b6a56bb715d9813a8697473e120436278 /toolkit/components/webextensions/ext-c-storage.js
parentb2bdac20c02b12f2057b9ef70b0a946113a00e00 (diff)
parent4fb11cd5966461bccc3ed1599b808237be6b0de9 (diff)
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Merge branch 'ext-work'
Diffstat (limited to 'toolkit/components/webextensions/ext-c-storage.js')
-rw-r--r--toolkit/components/webextensions/ext-c-storage.js62
1 files changed, 62 insertions, 0 deletions
diff --git a/toolkit/components/webextensions/ext-c-storage.js b/toolkit/components/webextensions/ext-c-storage.js
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+++ b/toolkit/components/webextensions/ext-c-storage.js
@@ -0,0 +1,62 @@
+"use strict";
+
+XPCOMUtils.defineLazyModuleGetter(this, "ExtensionStorage",
+ "resource://gre/modules/ExtensionStorage.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+function storageApiFactory(context) {
+ function sanitize(items) {
+ // The schema validator already takes care of arrays (which are only allowed
+ // to contain strings). Strings and null are safe values.
+ if (typeof items != "object" || items === null || Array.isArray(items)) {
+ return items;
+ }
+ // If we got here, then `items` is an object generated by `ObjectType`'s
+ // `normalize` method from Schemas.jsm. The object returned by `normalize`
+ // lives in this compartment, while the values live in compartment of
+ // `context.contentWindow`. The `sanitize` method runs with the principal
+ // of `context`, so we cannot just use `ExtensionStorage.sanitize` because
+ // it is not allowed to access properties of `items`.
+ // So we enumerate all properties and sanitize each value individually.
+ let sanitized = {};
+ for (let [key, value] of Object.entries(items)) {
+ sanitized[key] = ExtensionStorage.sanitize(value, context);
+ }
+ return sanitized;
+ }
+ return {
+ storage: {
+ local: {
+ get: function(keys) {
+ keys = sanitize(keys);
+ return context.childManager.callParentAsyncFunction("storage.local.get", [
+ keys,
+ ]);
+ },
+ set: function(items) {
+ items = sanitize(items);
+ return context.childManager.callParentAsyncFunction("storage.local.set", [
+ items,
+ ]);
+ },
+ },
+
+ sync: {
+ get: function(keys) {
+ keys = sanitize(keys);
+ return context.childManager.callParentAsyncFunction("storage.sync.get", [
+ keys,
+ ]);
+ },
+ set: function(items) {
+ items = sanitize(items);
+ return context.childManager.callParentAsyncFunction("storage.sync.set", [
+ items,
+ ]);
+ },
+ },
+ },
+ };
+}
+extensions.registerSchemaAPI("storage", "addon_child", storageApiFactory);
+extensions.registerSchemaAPI("storage", "content_child", storageApiFactory);