From 324ff19571cada7e148c53bb70e70f823eff4335 Mon Sep 17 00:00:00 2001
From: Nick Thomas <nick@gitlab.com>
Date: Wed, 24 Oct 2018 16:03:00 +0100
Subject: Backport SSH host key detection code to CE

This functionality is needed for SSH push mirroring support, which is a
CE feature.
---
 app/controllers/projects/mirrors_controller.rb | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'app/controllers')

diff --git a/app/controllers/projects/mirrors_controller.rb b/app/controllers/projects/mirrors_controller.rb
index 78d5faf2326..53176978416 100644
--- a/app/controllers/projects/mirrors_controller.rb
+++ b/app/controllers/projects/mirrors_controller.rb
@@ -44,6 +44,22 @@ class Projects::MirrorsController < Projects::ApplicationController
     redirect_to_repository_settings(project, anchor: 'js-push-remote-settings')
   end
 
+  def ssh_host_keys
+    lookup = SshHostKey.new(project: project, url: params[:ssh_url], compare_host_keys: params[:compare_host_keys])
+
+    if lookup.error.present?
+      # Failed to read keys
+      render json: { message: lookup.error }, status: :bad_request
+    elsif lookup.known_hosts.nil?
+      # Still working, come back later
+      render body: nil, status: :no_content
+    else
+      render json: lookup
+    end
+  rescue ArgumentError => err
+    render json: { message: err.message }, status: :bad_request
+  end
+
   private
 
   def remote_mirror
-- 
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