[feat] add fetch key by fingerprint to keymanager

- Resolves: #9023

2 files changed, 19 insertions, 0 deletions

diff --git a/src/leap/bitmask/core/dispatcher.py b/src/leap/bitmask/core/dispatcher.py
index 91168d87..f2b3e8ca 100644
--- a/src/leap/bitmask/core/dispatcher.py
+++ b/src/leap/bitmask/core/dispatcher.py
@@ -363,6 +363,16 @@ class KeysCmd(SubCommand):
         return service.do_export(uid, address, private, fetch_remote)
 
     @register_method('dict')
+    def do_FETCH(self, service, *parts, **kw):
+        if len(parts) < 5:
+            raise ValueError("An email address is needed")
+        uid = parts[2]
+        address = parts[3]
+        fingerprint = parts[4]
+
+        return service.do_fetch(uid, address, fingerprint)
+
+    @register_method('dict')
     def do_INSERT(self, service, *parts, **kw):
         if len(parts) < 6:
             raise ValueError("An email address is needed")
diff --git a/src/leap/bitmask/core/mail_services.py b/src/leap/bitmask/core/mail_services.py
index 31c27364..23105c7a 100644
--- a/src/leap/bitmask/core/mail_services.py
+++ b/src/leap/bitmask/core/mail_services.py
@@ -422,6 +422,15 @@ class KeymanagerService(HookableService):
         d.addCallback(lambda key: dict(key))
         return d
 
+    def do_fetch(self, userid, address, fingerprint):
+        km = self._container.get_instance(userid)
+        if km is None:
+            return defer.fail(ValueError("User " + userid + " has no active "
+                                         "keymanager"))
+        d = km.fetch_key_fingerprint(address, fingerprint)
+        d.addCallback(lambda key: dict(key))
+        return d
+
     def do_insert(self, userid, address, rawkey, validation='Fingerprint'):
         km = self._container.get_instance(userid)
         if km is None: