Mercurial > prosody-modules
diff mod_cloud_notify_encrypted/mod_cloud_notify_encrypted.lua @ 4330:e655581173be
mod_cloud_notify_encrypted: Fixes to the push notification syntax and payload
| author | Matthew Wild <mwild1@gmail.com> |
|---|---|
| date | Wed, 13 Jan 2021 14:18:24 +0000 |
| parents | 2a5164162708 |
| children | 2e355540f8c8 |
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--- a/mod_cloud_notify_encrypted/mod_cloud_notify_encrypted.lua Wed Jan 13 14:15:38 2021 +0000 +++ b/mod_cloud_notify_encrypted/mod_cloud_notify_encrypted.lua Wed Jan 13 14:18:24 2021 +0000 @@ -58,8 +58,9 @@ local original_stanza = event.original_stanza; local push_payload = { - unread = push_summary["message-count"]; - sender = push_summary["last-message-sender"]; + unread = tonumber(push_summary["message-count"]) or 1; + sender = jid.bare(original_stanza.attr.from); + message = body; }; if original_stanza.name == "message" then @@ -84,7 +85,9 @@ local key_binary = base64.decode(encryption.key_base64); local push_json = json.encode(push_payload); - local encrypted_payload = ciphers.new("AES-128-GCM"):encrypt(key_binary, iv):final(push_json); + -- FIXME: luaossl does not expose the EVP_CTRL_GCM_GET_TAG API, so we append 16 NUL bytes + -- Siskin does not validate the tag anyway. + local encrypted_payload = base64.encode(ciphers.new("AES-128-GCM"):encrypt(key_binary, iv):final(push_json)..string.rep("\0", 16)); local encrypted_element = st.stanza("encrypted", { xmlns = xmlns_push_encrypt, iv = base64.encode(iv) }) :text(encrypted_payload); -- Replace the unencrypted notification with the encrypted one @@ -93,7 +96,9 @@ :get_child("publish") :get_child("item") :remove_children("notification", xmlns_push) - :add_child(encrypted_element); + :tag("notification", { xmlns = xmlns_push }) + :add_child(encrypted_element) + :up(); end module:hook("cloud_notify/registration", handle_register);