1 files changed, 61 insertions, 0 deletions
diff --git a/addon-sdk/source/lib/sdk/self.js b/addon-sdk/source/lib/sdk/self.js
new file mode 100644
index 000000000..c2114a926
--- /dev/null
+++ b/addon-sdk/source/lib/sdk/self.js
@@ -0,0 +1,61 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+module.metadata = {
+  "stability": "stable"
+};
+
+const { CC } = require('chrome');
+const options = require('@loader/options');
+
+const { get } = require("./preferences/service");
+const { readURISync } = require('./net/url');
+
+const id = options.id;
+
+const readPref = key => get("extensions." + id + ".sdk." + key);
+
+const name = readPref("name") || options.name;
+const version = readPref("version") || options.version;
+const loadReason = readPref("load.reason") || options.loadReason;
+const rootURI = readPref("rootURI") || options.rootURI || "";
+const baseURI = readPref("baseURI") || options.prefixURI + name + "/"
+const addonDataURI = baseURI + "data/";
+const metadata = options.metadata || {};
+const permissions = metadata.permissions || {};
+const isPacked = rootURI && rootURI.indexOf("jar:") === 0;
+
+const isPrivateBrowsingSupported = 'private-browsing' in permissions &&
+                                   permissions['private-browsing'] === true;
+
+const uri = (path="") =>
+  path.includes(":") ? path : addonDataURI + path.replace(/^\.\//, "");
+
+var preferencesBranch = ("preferences-branch" in metadata)
+                            ? metadata["preferences-branch"]
+                            : options.preferencesBranch
+
+if (/[^\w{@}.-]/.test(preferencesBranch)) {
+  preferencesBranch = id;
+  console.warn("Ignoring preferences-branch (not a valid branch name)");
+}
+
+// Some XPCOM APIs require valid URIs as an argument for certain operations
+// (see `nsILoginManager` for example). This property represents add-on
+// associated unique URI string that can be used for that.
+exports.uri = 'addon:' + id;
+exports.id = id;
+exports.preferencesBranch = preferencesBranch || id;
+exports.name = name;
+exports.loadReason = loadReason;
+exports.version = version;
+exports.packed = isPacked;
+exports.data = Object.freeze({
+  url: uri,
+  load: function read(path) {
+    return readURISync(uri(path));
+  }
+});
+exports.isPrivateBrowsingSupported = isPrivateBrowsingSupported;