cpp: Add convenience update function to a key

* lang/cpp/src/key.cpp (Key::update): New.
* lang/cpp/src/key.h: Update accordingly.

--
This function helps if you have an incomplete key or want
to make sure all info in a key is complete (e.g. validity / tofuinfo)

1 files changed, 22 insertions, 0 deletions

diff --git a/lang/cpp/src/key.cpp b/lang/cpp/src/key.cpp
index 204eeca2..cfa1ba31 100644
--- a/lang/cpp/src/key.cpp
+++ b/lang/cpp/src/key.cpp
@@ -24,6 +24,7 @@
 
 #include "util.h"
 #include "tofuinfo.h"
+#include "context.h"
 
 #include <gpgme.h>
 
@@ -322,6 +323,27 @@ const Key &Key::mergeWith(const Key &other)
     return *this;
 }
 
+void Key::update()
+{
+    auto ctx = Context::createForProtocol(protocol());
+    if (!ctx) {
+        return;
+    }
+    ctx->setKeyListMode(KeyListMode::Local |
+                        KeyListMode::Signatures |
+                        KeyListMode::SignatureNotations |
+                        KeyListMode::Validate |
+                        KeyListMode::WithTofu);
+    Error err;
+    auto newKey = ctx->key(primaryFingerprint(), err, hasSecret());
+    delete ctx;
+    if (err) {
+        return;
+    }
+    swap(newKey);
+    return;
+}
+
 //
 //
 // class Subkey