Move Add-on SDK source to toolkit/jetpack

2 files changed, 176 insertions, 0 deletions

diff --git a/toolkit/jetpack/sdk/loader/cuddlefish.js b/toolkit/jetpack/sdk/loader/cuddlefish.js
new file mode 100644
index 000000000..6ba19157b
--- /dev/null
+++ b/toolkit/jetpack/sdk/loader/cuddlefish.js
@@ -0,0 +1,102 @@
+/* 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": "unstable"
+};
+
+// This module is manually loaded by bootstrap.js in a sandbox and immediatly
+// put in module cache so that it is never loaded in any other way.
+
+/* Workarounds to include dependencies in the manifest
+require('chrome')                  // Otherwise CFX will complain about Components
+require('toolkit/loader')          // Otherwise CFX will stip out loader.js
+require('sdk/addon/runner')        // Otherwise CFX will stip out addon/runner.js
+*/
+
+const { classes: Cc, Constructor: CC, interfaces: Ci, utils: Cu } = Components;
+
+// `loadSandbox` is exposed by bootstrap.js
+const loaderURI = module.uri.replace("sdk/loader/cuddlefish.js",
+                                     "toolkit/loader.js");
+const xulappURI = module.uri.replace("loader/cuddlefish.js",
+                                     "system/xul-app.jsm");
+// We need to keep a reference to the sandbox in order to unload it in
+// bootstrap.js
+
+var loaderSandbox = loadSandbox(loaderURI);
+const loaderModule = loaderSandbox.exports;
+
+const { incompatibility } = Cu.import(xulappURI, {}).XulApp;
+
+const { override, load } = loaderModule;
+
+function CuddlefishLoader(options) {
+  let { manifest } = options;
+
+  options = override(options, {
+    // Put `api-utils/loader` and `api-utils/cuddlefish` loaded as JSM to module
+    // cache to avoid subsequent loads via `require`.
+    modules: override({
+      'toolkit/loader': loaderModule,
+      'sdk/loader/cuddlefish': exports
+    }, options.modules),
+    resolve: function resolve(id, requirer) {
+      let entry = requirer && requirer in manifest && manifest[requirer];
+      let uri = null;
+
+      // If manifest entry for this requirement is present we follow manifest.
+      // Note: Standard library modules like 'panel' will be present in
+      // manifest unless they were moved to platform.
+      if (entry) {
+        let requirement = entry.requirements[id];
+        // If requirer entry is in manifest and it's requirement is not, than
+        // it has no authority to load since linker was not able to find it.
+        if (!requirement)
+          throw Error('Module: ' + requirer + ' has no authority to load: '
+                      + id, requirer);
+
+        uri = requirement;
+      } else {
+        // If requirer is off manifest than it's a system module and we allow it
+        // to go off manifest by resolving a relative path.
+        uri = loaderModule.resolve(id, requirer);
+      }
+      return uri;
+    },
+    load: function(loader, module) {
+      let result;
+      let error;
+
+      // In order to get the module's metadata, we need to load the module.
+      // if an exception is raised here, it could be that is due to application
+      // incompatibility. Therefore the exception is stored, and thrown again
+      // only if the module seems be compatible with the application currently
+      // running. Otherwise the incompatibility message takes the precedence.
+      try {
+        result = load(loader, module);
+      }
+      catch (e) {
+        error = e;
+      }
+
+      error = incompatibility(module) || error;
+
+      if (error)
+        throw error;
+
+      return result;
+    }
+  });
+
+  let loader = loaderModule.Loader(options);
+  // Hack to allow loading from `toolkit/loader`.
+  loader.modules[loaderURI] = loaderSandbox;
+  return loader;
+}
+
+exports = override(loaderModule, {
+  Loader: CuddlefishLoader
+});
diff --git a/toolkit/jetpack/sdk/loader/sandbox.js b/toolkit/jetpack/sdk/loader/sandbox.js
new file mode 100644
index 000000000..791dbc086
--- /dev/null
+++ b/toolkit/jetpack/sdk/loader/sandbox.js
@@ -0,0 +1,74 @@
+/* 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": "experimental"
+};
+
+const { Cc, Ci, CC, Cu } = require('chrome');
+const systemPrincipal = CC('@mozilla.org/systemprincipal;1', 'nsIPrincipal')();
+const scriptLoader = Cc['@mozilla.org/moz/jssubscript-loader;1'].
+                     getService(Ci.mozIJSSubScriptLoader);
+const self = require('sdk/self');
+const { getTabId } = require('../tabs/utils');
+const { getInnerId } = require('../window/utils');
+
+const { devtools } = Cu.import("resource://devtools/shared/Loader.jsm", {});
+const { require: devtoolsRequire } = devtools;
+const { addContentGlobal, removeContentGlobal } = devtoolsRequire("devtools/server/content-globals");
+
+/**
+ * Make a new sandbox that inherits given `source`'s principals. Source can be
+ * URI string, DOMWindow or `null` for system principals.
+ */
+function sandbox(target, options) {
+  options = options || {};
+  options.metadata = options.metadata ? options.metadata : {};
+  options.metadata.addonID = options.metadata.addonID ?
+    options.metadata.addonID : self.id;
+
+  let sandbox = Cu.Sandbox(target || systemPrincipal, options);
+  Cu.setSandboxMetadata(sandbox, options.metadata);
+  let innerWindowID = options.metadata['inner-window-id']
+  if (innerWindowID) {
+    addContentGlobal({
+      global: sandbox,
+      'inner-window-id': innerWindowID
+    });
+  }
+  return sandbox;
+}
+exports.sandbox = sandbox;
+
+/**
+ * Evaluates given `source` in a given `sandbox` and returns result.
+ */
+function evaluate(sandbox, code, uri, line, version) {
+  return Cu.evalInSandbox(code, sandbox, version || '1.8', uri || '', line || 1);
+}
+exports.evaluate = evaluate;
+
+/**
+ * Evaluates code under the given `uri` in the given `sandbox`.
+ *
+ * @param {String} uri
+ *    The URL pointing to the script to load.
+ *    It must be a local chrome:, resource:, file: or data: URL.
+ */
+function load(sandbox, uri) {
+  if (uri.indexOf('data:') === 0) {
+    let source = uri.substr(uri.indexOf(',') + 1);
+
+    return evaluate(sandbox, decodeURIComponent(source), '1.8', uri, 0);
+  } else {
+    return scriptLoader.loadSubScript(uri, sandbox, 'UTF-8');
+  }
+}
+exports.load = load;
+
+/**
+ * Forces the given `sandbox` to be freed immediately.
+ */
+exports.nuke = Cu.nukeSandbox