Hi sup developers,
Recently I sent an encrypted message to a group of recipients, thinking
that all their keys were still valid. However, one of them had an
expired key, so the message was not encrypted to that recipient and he
could not read it.
I want sup to prompt the user about potentially invalid keys before
sending a message. I think the code will look something like this:
diff --git a/lib/sup/crypto.rb b/lib/sup/crypto.rb
index fd8f824..88ae3cc 100644
--- a/lib/sup/crypto.rb
+++ b/lib/sup/crypto.rb
@@ -167,6 +167,14 @@ EOS
{:operation => "encrypt", :options => gpg_opts}) || gpg_opts
recipients = to + [from]
recipients = HookManager.run("gpg-expand-keys", { :recipients => recipients }) || recipients
+
+ # make sure all recipients can be encrypted-to
+ recipients.each do |recipient|
+ if GPGME::Key.find(:public, recipient).length == 0 and !BufferManager.ask_yes_or_no("Could not encrypt to #{recipient}. Really send?")
+ raise Error, "Send message cancelled."
+ end
+ end
+
begin
if GPGME.respond_to?('encrypt')
cipher = GPGME.encrypt(recipients, format_payload(payload), gpg_opts)
I have not tested this patch, so if it looks wrong then it probably is!
Does anybody have any thoughts on this feature?
Troy
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