Implement Email DAO for sending verification mails

src/service/public-key.js

@@ -50,13 +50,14 @@ class PublicKey {
 
   /**
    * Persist a new public key
-   * @param {String} options.publicKeyArmored   The ascii armored pgp key block
-   * @param {String} options.primaryEmail       (optional) The key's primary email address
+   * @param {String} publicKeyArmored   The ascii armored pgp key block
+   * @param {String} primaryEmail       (optional) The key's primary email address
+   * @param {Object} origin             Required for links to the keyserver e.g. { protocol:'https', host:'openpgpkeys@example.com' }
    * @yield {undefined}
    */
   *put(options) {
     // parse key block
-    let publicKeyArmored = options.publicKeyArmored;
+    let publicKeyArmored = options.publicKeyArmored, primaryEmail = options.primaryEmail, origin = options.origin;
     let params = this.parseKey(publicKeyArmored);
     // check for existing verfied key by id or email addresses
     let verified = yield this._userid.getVerfied(params);
@@ -73,7 +74,7 @@ class PublicKey {
     // persist new user ids
     let userIds = yield this._userid.batch(params);
     // send mails to verify user ids (send only one if primary email is provided)
-    yield this._email.sendVerification({ userIds, primaryEmail:options.primaryEmail });
+    yield this._email.sendVerification({ userIds, primaryEmail, origin });
   }
 
   /**

src/service/util.js

@@ -107,4 +107,19 @@ exports.throw = function(status, message) {
   err.status = status;
   err.expose = true; // display message to the client
   throw err;
+};
+
+/**
+ * Get the server's own origin host and protocol. Required for sending
+ * verification links via email. If the PORT environmane variable
+ * is set, we assume the protocol to be 'https', since the AWS loadbalancer
+ * speaks 'https' externally but 'http' between the LB and the server.
+ * @param  {Object} ctx   The koa request/repsonse context
+ * @return {Object}       The server origin
+ */
+exports.getOrigin = function(ctx) {
+  return {
+    protocol: process.env.PORT ? 'https' : ctx.protocol,
+    host: ctx.host
+  };
 };