Move nostr pubkeys to LDAP attribute

closes #173

app/controllers/settings_controller.rb

@@ -88,6 +88,7 @@ class SettingsController < ApplicationController
 
   def set_nostr_pubkey
     signed_event = nostr_event_params[:signed_event].to_h.symbolize_keys
+
     is_valid_id  = NostrManager::ValidateId.call(event: signed_event)
     is_valid_sig = NostrManager::VerifySignature.call(event: signed_event)
     is_correct_content = signed_event[:content] == "Connect my public key to #{current_user.address} (confirmation #{session[:shared_secret]})"
@@ -97,28 +98,24 @@ class SettingsController < ApplicationController
       http_status :unprocessable_entity and return
     end
 
-    pubkey_taken = User.all_except(current_user).where(
-      ou: current_user.ou, nostr_pubkey: signed_event[:pubkey]
-    ).any?
+    user_with_pubkey = LdapManager::FetchUserByNostrKey.call(pubkey: signed_event[:pubkey])
 
-    if pubkey_taken
+    if user_with_pubkey.present? && (user_with_pubkey != current_user)
       flash[:alert] = "Public key already in use for a different account"
       http_status :unprocessable_entity and return
     end
 
-    current_user.update! nostr_pubkey: signed_event[:pubkey]
+    LdapManager::UpdateNostrKey.call(dn: current_user.dn, pubkey: signed_event[:pubkey])
     session[:shared_secret] = nil
 
     flash[:success] = "Public key verification successful"
     http_status :ok
-  rescue
-    flash[:alert] = "Public key could not be verified"
-    http_status :unprocessable_entity and return
   end
 
   # DELETE /settings/nostr_pubkey
   def remove_nostr_pubkey
-    current_user.update! nostr_pubkey: nil
+    # TODO require current pubkey or password to delete
+    LdapManager::UpdateNostrKey.call(dn: current_user.dn, pubkey: nil)
 
     redirect_to setting_path(:nostr), flash: {
       success: 'Public key removed from account'
@@ -165,7 +162,7 @@ class SettingsController < ApplicationController
 
     def nostr_event_params
       params.permit(signed_event: [
-        :id, :pubkey, :created_at, :kind, :tags, :content, :sig
+        :id, :pubkey, :created_at, :kind, :content, :sig, tags: []
       ])
     end