From b9cf5bb41dbf40e1b9484da13bd78a438ef01aef Mon Sep 17 00:00:00 2001
From: Hylke Bons <hylkebons@gmail.com>
Date: Wed, 9 Feb 2011 20:02:13 +0000
Subject: [PATCH] [controller] Ignore host key checking

---
 SparkleShare/SparkleController.cs | 72 +++++++++++++++++++++++++++++++
 1 file changed, 72 insertions(+)

diff --git a/SparkleShare/SparkleController.cs b/SparkleShare/SparkleController.cs
index d73bbb98..ee2e0364 100644
--- a/SparkleShare/SparkleController.cs
+++ b/SparkleShare/SparkleController.cs
@@ -905,11 +905,78 @@ namespace SparkleShare {
 		}
 
 
+		private void DisableHostKeyCheckingForHost (string host)
+		{
+
+			string ssh_config_file_path = Path.Combine (SparklePaths.HomePath, ".ssh", "config");
+			string ssh_config = "Host " + host + "\n\tStrictHostKeyChecking no";
+
+			if (File.Exists (ssh_config_file_path)) {
+
+				TextWriter writer = File.AppendText (ssh_config_file_path);
+				writer.WriteLine ("\n" + ssh_config);
+				writer.Close ();
+
+			} else {
+
+  				TextWriter writer = new StreamWriter (ssh_config_file_path);
+				writer.WriteLine (ssh_config);
+				writer.Close ();
+  
+			}
+
+		}
+		
+
+		private void EnableHostKeyCheckingForHost (string host)
+		{
+
+			string ssh_config_file_path = Path.Combine (SparklePaths.HomePath, ".ssh", "config");
+			string ssh_config = "Host " + host + "\n\tStrictHostKeyChecking no";
+
+			if (File.Exists (ssh_config_file_path)) {
+
+				StreamReader reader = new StreamReader (ssh_config_file_path);
+				string current_ssh_config = reader.ReadToEnd ();
+				reader.Close ();
+				
+				if (current_ssh_config.Equals (ssh_config)) {
+				
+  					File.Delete (ssh_config_file_path);
+				
+				} else {
+  				
+   					current_ssh_config = current_ssh_config.Remove (current_ssh_config.IndexOf (ssh_config),
+   						ssh_config.Length);
+     		
+					TextWriter writer = new StreamWriter (ssh_config_file_path);
+					writer.WriteLine (current_ssh_config);
+					writer.Close ();
+
+				}
+
+			}
+
+		}
+
+
 		public void FetchFolder (string url, string name)
 		{
 
 			SparkleHelpers.DebugInfo ("Controller", "Formed URL: " + url);
 
+
+			string host = url.Substring (url.IndexOf ("@") + 1);
+
+			if (host.Contains (":"))
+				host = host.Substring (0, host.IndexOf (":"));
+			else
+				host = host.Substring (0, host.IndexOf ("/"));
+
+
+			DisableHostKeyCheckingForHost (host);
+			
+
 			// Strip the '.git' from the name
 			string canonical_name = System.IO.Path.GetFileNameWithoutExtension (name);
 			string tmp_folder = SparkleHelpers.CombineMore (SparklePaths.SparkleTmpPath, canonical_name);
@@ -939,6 +1006,8 @@ namespace SparkleShare {
 
 			fetcher.CloningFinished += delegate {
 
+				EnableHostKeyCheckingForHost (host);
+
 				SparkleHelpers.ClearAttributes (tmp_folder);
 
 				try {
@@ -966,6 +1035,8 @@ namespace SparkleShare {
 
 			fetcher.CloningFailed += delegate {
 
+				EnableHostKeyCheckingForHost (host);
+
 				if (Directory.Exists (tmp_folder)) {
 
 					SparkleHelpers.ClearAttributes (tmp_folder);
@@ -980,6 +1051,7 @@ namespace SparkleShare {
 					FolderFetchError ();
 
 			};
+			
 
 			fetcher.Start ();