1 files changed, 62 insertions, 0 deletions
diff --git a/devtools/shared/security/cert.js b/devtools/shared/security/cert.js
new file mode 100644
index 0000000000..24e1d1012b
--- /dev/null
+++ b/devtools/shared/security/cert.js
@@ -0,0 +1,62 @@
+/* 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";
+
+var { Ci, Cc } = require("chrome");
+var DevToolsUtils = require("devtools/shared/DevToolsUtils");
+DevToolsUtils.defineLazyGetter(this, "localCertService", () => {
+  // Ensure PSM is initialized to support TLS sockets
+  Cc["@mozilla.org/psm;1"].getService(Ci.nsISupports);
+  return Cc["@mozilla.org/security/local-cert-service;1"].getService(
+    Ci.nsILocalCertService
+  );
+});
+
+const localCertName = "devtools";
+
+exports.local = {
+  /**
+   * Get or create a new self-signed X.509 cert to represent this device for
+   * DevTools purposes over a secure transport, like TLS.
+   *
+   * The cert is stored permanently in the profile's key store after first use,
+   * and is valid for 1 year.  If an expired or otherwise invalid cert is found,
+   * it is removed and a new one is made.
+   *
+   * @return promise
+   */
+  getOrCreate() {
+    return new Promise((resolve, reject) => {
+      localCertService.getOrCreateCert(localCertName, {
+        handleCert: function(cert, rv) {
+          if (rv) {
+            reject(rv);
+            return;
+          }
+          resolve(cert);
+        },
+      });
+    });
+  },
+
+  /**
+   * Remove the DevTools self-signed X.509 cert for this device.
+   *
+   * @return promise
+   */
+  remove() {
+    return new Promise((resolve, reject) => {
+      localCertService.removeCert(localCertName, {
+        handleCert: function(rv) {
+          if (rv) {
+            reject(rv);
+            return;
+          }
+          resolve();
+        },
+      });
+    });
+  },
+};