cpp: Add revuid and adduid support

* lang/cpp/src/context.cpp
(Context::revUid, Context::startRevUid),
(Context::addUid, Context::startAddUid): New.
* lang/cpp/src/context.h: Declare new functions.
* lang/cpp/src/key.cpp (Key::UserID::revoke)
(Key::addUid): Idomatic helpers.
lang/cpp/src/key.h: Declare new functions.
* NEWS: Update accordingly.

1 files changed, 18 insertions, 0 deletions

diff --git a/lang/cpp/src/key.h b/lang/cpp/src/key.h
index 3f596a82..b0599c7f 100644
--- a/lang/cpp/src/key.h
+++ b/lang/cpp/src/key.h
@@ -152,6 +152,17 @@ public:
      * how long the keylisting takes.*/
     void update();
 
+    /**
+     * @brief Add a user id to this key.
+     *
+     * Needs gnupg 2.1.13 and the key needs to be updated
+     * afterwards to see the new uid.
+     *
+     * @param uid should be fully formated and UTF-8 encoded.
+     *
+     * @returns a possible error.
+     **/
+    Error addUid(const char *uid);
 private:
     gpgme_key_t impl() const
     {
@@ -335,6 +346,13 @@ public:
      * @returns a normalized mail address for this userid
      * or an empty string. */
     std::string addrSpec() const;
+
+    /*! Revoke the user id.
+     *
+     * Key needs update afterwards.
+     *
+     * @returns an error on error.*/
+    Error revoke();
 private:
     shared_gpgme_key_t key;
     gpgme_user_id_t uid;