1 files changed, 139 insertions, 0 deletions
diff --git a/dom/secureelement/gonk/ACEService.js b/dom/secureelement/gonk/ACEService.js
new file mode 100644
index 000000000..b52ba5fab
--- /dev/null
+++ b/dom/secureelement/gonk/ACEService.js
@@ -0,0 +1,139 @@
+/* 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/. */
+
+/* Copyright © 2015, Deutsche Telekom, Inc. */
+
+"use strict";
+
+const { classes: Cc, interfaces: Ci, utils: Cu } = Components;
+Cu.import("resource://gre/modules/XPCOMUtils.jsm");
+Cu.import("resource://gre/modules/Promise.jsm");
+Cu.import("resource://gre/modules/Services.jsm");
+
+XPCOMUtils.defineLazyModuleGetter(this, "SEUtils",
+                                  "resource://gre/modules/SEUtils.jsm");
+
+XPCOMUtils.defineLazyGetter(this, "SE", function() {
+  let obj = {};
+  Cu.import("resource://gre/modules/se_consts.js", obj);
+  return obj;
+});
+
+var DEBUG = SE.DEBUG_ACE;
+function debug(msg) {
+  if (DEBUG) {
+    dump("ACEservice: " + msg + "\n");
+  }
+}
+
+/**
+ * Implements decision making algorithm as described in GPD specification,
+ * mostly in 3.1, 3.2 and 4.2.3.
+ *
+ * TODO: Bug 1137533: Implement GPAccessRulesManager APDU filters
+ */
+function GPAccessDecision(rules, certHash, aid) {
+  this.rules = rules;
+  this.certHash = certHash;
+  this.aid = aid;
+}
+
+GPAccessDecision.prototype = {
+  isAccessAllowed: function isAccessAllowed() {
+    // GPD SE Access Control v1.1, 3.4.1, Table 3-2: (Conflict resolution)
+    // If a specific rule allows, all other non-specific access is denied.
+    // Conflicting specific rules will resolve to the first Allowed == "true"
+    // match. Given no specific rule, the global "All" rules will determine
+    // access. "Some", skips further processing if access Allowed == "true".
+    //
+    // Access must be decided before the SE connector openChannel, and the
+    // exchangeAPDU call.
+    //
+    // NOTE: This implementation may change with the introduction of APDU
+    //       filters.
+    let decision = this.rules.some(this._decideAppAccess.bind(this));
+    return decision;
+  },
+
+  _decideAppAccess: function _decideAppAccess(rule) {
+    let appMatched, appletMatched;
+
+    // GPD SE AC 4.2.3: Algorithm for Applying Rules
+    // Specific rule overrides global rule.
+    //
+    // DeviceAppID is the application hash, and the AID is SE Applet ID:
+    //
+    // GPD SE AC 4.2.3 A:
+    //   SearchRuleFor(DeviceAppID, AID)
+    // GPD SE AC 4.2.3 B: If no rule fits A:
+    //   SearchRuleFor(<AllDeviceApplications>, AID)
+    // GPD SE AC 4.2.3 C: If no rule fits A or B:
+    //   SearchRuleFor(DeviceAppID, <AllSEApplications>)
+    // GPD SE AC 4.2.3 D: If no rule fits A, B, or C:
+    //   SearchRuleFor(<AllDeviceApplications>, <AllSEApplications>)
+
+    // Device App
+    appMatched = Array.isArray(rule.application) ?
+      // GPD SE AC 4.2.3 A and 4.2.3 C (DeviceAppID rule)
+      this._appCertHashMatches(rule.application) :
+      // GPD SE AC 4.2.3 B and 4.2.3 D (All Device Applications)
+      rule.application === Ci.nsIAccessRulesManager.ALLOW_ALL;
+
+    if (!appMatched) {
+      return false; // bail out early.
+    }
+
+    // SE Applet
+    appletMatched = Array.isArray(rule.applet) ?
+      // GPD SE AC 4.2.3 A and 4.2.3 B (AID rule)
+      SEUtils.arraysEqual(rule.applet, this.aid) :
+      // GPD SE AC 4.2.3 C and 4.2.3 D (All AID)
+      rule.applet === Ci.nsIAccessRulesManager.ALL_APPLET;
+
+    return appletMatched;
+  },
+
+  _appCertHashMatches: function _appCertHashMatches(hashArray) {
+    if (!Array.isArray(hashArray)) {
+      return false;
+    }
+
+    return !!(hashArray.find((hash) => {
+      return SEUtils.arraysEqual(hash, this.certHash);
+    }));
+  }
+};
+
+function ACEService() {
+  this._rulesManagers = new Map();
+
+  this._rulesManagers.set(
+    SE.TYPE_UICC,
+    Cc["@mozilla.org/secureelement/access-control/rules-manager;1"]
+      .createInstance(Ci.nsIAccessRulesManager));
+}
+
+ACEService.prototype = {
+  _rulesManagers: null,
+
+  isAccessAllowed: function isAccessAllowed(localId, seType, aid) {
+    if(!Services.prefs.getBoolPref("devtools.debugger.forbid-certified-apps")) {
+      debug("Certified apps debug enabled, allowing access");
+      return Promise.resolve(true);
+    }
+
+    throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
+  },
+
+  _getDevCertHashForApp: function getDevCertHashForApp(manifestURL) {
+    throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
+  },
+
+  classID: Components.ID("{882a7463-2ca7-4d61-a89a-10eb6fd70478}"),
+  contractID: "@mozilla.org/secureelement/access-control/ace;1",
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIAccessControlEnforcer])
+};
+
+this.NSGetFactory = XPCOMUtils.generateNSGetFactory([ACEService]);
+