private void GetBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var bk = Program.DataConnection.GetBackup(input["id"].Value);
if (bk == null)
ReportError(response, bw, "Invalid or missing backup id");
else
{
var scheduleId = Program.DataConnection.GetScheduleIDsFromTags(new string[] { "ID=" + bk.ID });
var schedule = scheduleId.Any() ? Program.DataConnection.GetSchedule(scheduleId.First()) : null;
var sourcenames = GetSourceNames(bk);
//TODO: Filter out the password in both settings and the target url
bw.OutputOK(new
{
success = true,
data = new {
Schedule = schedule,
Backup = bk,
DisplayNames = sourcenames
}
});
}
}
private void AddBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var str = request.Form["data"].Value;
if (string.IsNullOrWhiteSpace(str))
{
ReportError(response, bw, "Missing backup object");
return;
}
AddOrUpdateBackupData data = null;
try
{
data = Serializer.Deserialize<AddOrUpdateBackupData>(new StringReader(str));
if (data.Backup == null)
{
ReportError(response, bw, "Data object had no backup entry");
return;
}
data.Backup.ID = null;
if (Duplicati.Library.Utility.Utility.ParseBool(request.Form["temporary"].Value, false))
{
Program.DataConnection.RegisterTemporaryBackup(data.Backup);
bw.OutputOK(new { status = "OK", ID = data.Backup.ID });
}
else
{
if (Library.Utility.Utility.ParseBool(request.Form["existing_db"].Value, false))
{
data.Backup.DBPath = Library.Main.DatabaseLocator.GetDatabasePath(data.Backup.TargetURL, null, false, false);
if (string.IsNullOrWhiteSpace(data.Backup.DBPath))
throw new Exception("Unable to find remote db path?");
}
lock(Program.DataConnection.m_lock)
{
if (Program.DataConnection.Backups.Where(x => x.Name.Equals(data.Backup.Name, StringComparison.InvariantCultureIgnoreCase)).Any())
{
ReportError(response, bw, "There already exists a backup with the name: " + data.Backup.Name);
return;
}
Program.DataConnection.AddOrUpdateBackupAndSchedule(data.Backup, data.Schedule);
}
bw.OutputOK(new { status = "OK", ID = data.Backup.ID });
}
}
catch (Exception ex)
{
if (data == null)
ReportError(response, bw, string.Format("Unable to parse backup or schedule object: {0}", ex.Message));
else
ReportError(response, bw, string.Format("Unable to save schedule or backup object: {0}", ex.Message));
}
}
public static void HandleControlCGI(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw, Type module)
{
var method = request.Method;
if (!string.IsNullOrWhiteSpace(request.Headers["X-HTTP-Method-Override"]))
method = request.Headers["X-HTTP-Method-Override"];
DoProcess(request, response, session, method, module.Name.ToLowerInvariant(), (request.Method.ToUpper() == "POST" ? request.Form : request.QueryString)["id"].Value);
}
private void ReadLogData(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var backupid = input["id"].Value;
if (string.IsNullOrWhiteSpace(backupid))
{
List<Dictionary<string, object>> res = null;
Program.DataConnection.ExecuteWithCommand(x =>
{
res = DumpTable(x, "ErrorLog", "Timestamp", input["offset"].Value, input["pagesize"].Value);
});
bw.OutputOK(res);
}
else
{
var backup = Program.DataConnection.GetBackup(backupid);
if (backup == null)
{
ReportError(response, bw, "Invalid or missing backup id");
return;
}
using(var con = (System.Data.IDbConnection)Activator.CreateInstance(Duplicati.Library.SQLiteHelper.SQLiteLoader.SQLiteConnectionType))
{
con.ConnectionString = "Data Source=" + backup.DBPath;
con.Open();
using(var cmd = con.CreateCommand())
{
if (Duplicati.Library.Utility.Utility.ParseBool(input["remotelog"].Value, false))
{
var dt = DumpTable(cmd, "RemoteOperation", "ID", input["offset"].Value, input["pagesize"].Value);
// Unwrap raw data to a string
foreach(var n in dt)
try { n["Data"] = System.Text.Encoding.UTF8.GetString((byte[])n["Data"]); }
catch { }
bw.OutputOK(dt);
}
else
{
var dt = DumpTable(cmd, "LogData", "ID", input["offset"].Value, input["pagesize"].Value);
bw.OutputOK(dt);
}
}
}
}
}
private void SearchBackupFiles(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var filter = (input["filter"].Value ?? "").Split(new string[] { System.IO.Path.PathSeparator.ToString() }, StringSplitOptions.RemoveEmptyEntries);
var timestring = input["time"].Value;
var allversion = Duplicati.Library.Utility.Utility.ParseBool(input["all-versions"].Value, false);
if (string.IsNullOrWhiteSpace(timestring) && !allversion)
{
ReportError(response, bw, "Invalid or missing time");
return;
}
var bk = Program.DataConnection.GetBackup(input["id"].Value);
if (bk == null)
{
ReportError(response, bw, "Invalid or missing backup id");
return;
}
var prefixonly = Duplicati.Library.Utility.Utility.ParseBool(input["prefix-only"].Value, false);
var foldercontents = Duplicati.Library.Utility.Utility.ParseBool(input["folder-contents"].Value, false);
var time = new DateTime();
if (!allversion)
time = Duplicati.Library.Utility.Timeparser.ParseTimeInterval(timestring, DateTime.Now);
var r = Runner.Run(Runner.CreateListTask(bk, filter, prefixonly, allversion, foldercontents, time), false) as Duplicati.Library.Interface.IListResults;
var result = new Dictionary<string, object>();
foreach(HttpServer.HttpInputItem n in input)
result[n.Name] = n.Value;
result["Filesets"] = r.Filesets;
result["Files"] = r.Files;
bw.OutputOK(result);
}
private void GetFolderContents(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.Filesystem).Name.ToLowerInvariant(), Library.Utility.Uri.UrlPathEncode(request.QueryString["path"].Value));
}
private void SearchBackupFiles(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.Equals("POST", StringComparison.InvariantCultureIgnoreCase) ? request.Form : request.QueryString;
var key = string.Format("{0}/files/{1}", input["id"].Value, input["filter"].Value);
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
private void UpdateBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
request.Method = HttpServer.Method.Put;
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.Backup));
}
private void ReadLogData(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
if (string.IsNullOrEmpty(input["id"].Value))
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.LogData));
}
else
{
var key = string.Format("{0}/{1}", input["id"].Value, Duplicati.Library.Utility.Utility.ParseBool(input["remotelog"].Value, false) ? "remotelog" : "log");
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
}
private void ListApplicationSettings(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.SystemWideSettings));
}
private void ListBackupSets(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var key = string.Format("{0}/filesets", input["id"].Value);
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
private void ListApplicationSettings(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.SystemWideSettings));
}
private void ListSystemInfo(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.SystemInfo));
}
private void ValidatePath(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var key = string.Format("{0}/validate", Library.Utility.Uri.UrlPathEncode(input["path"].Value));
RESTHandler.DoProcess(request, response, session, "GET", typeof(RESTMethods.Filesystem).Name.ToLowerInvariant(), key);
}
private void GetCurrentState(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.ServerState));
}
private void ListSupportedActions(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
bw.OutputOK(new { Version = 1, Methods = SUPPORTED_METHODS.Keys });
}
private void ListSystemInfo(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.SystemInfo));
}
private void CreateRemoteFolder(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var key = string.Format("{0}/create", Library.Utility.Uri.UrlPathEncode(input["url"].Value));
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.RemoteOperation).Name.ToLowerInvariant(), key);
}
private void UpdateBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
request.Method = HttpServer.Method.Put;
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.Backup));
}
private void DownloadBugReport(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.BugReport));
}
private void ListBackupSets(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var key = string.Format("{0}/filesets", input["id"].Value);
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
private void SetServerOptions(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
request.Method = "PATCH";
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.ServerSettings));
}
private void ValidatePath(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var key = string.Format("{0}/validate", Library.Utility.Uri.UrlPathEncode(input["path"].Value));
RESTHandler.DoProcess(request, response, session, "GET", typeof(RESTMethods.Filesystem).Name.ToLowerInvariant(), key);
}
private void ExportBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var key = string.Format("{0}/export", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
private void SetServerOptions(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
request.Method = "PATCH";
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.ServerSettings));
}
private void ImportBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backups).Name.ToLowerInvariant(), "import");
}
private void SendCommand(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
string command = input["command"].Value ?? "";
switch (command.ToLowerInvariant())
{
case "check-update":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Updates).Name.ToLowerInvariant(), "check");
return;
case "install-update":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Updates).Name.ToLowerInvariant(), "install");
return;
case "activate-update":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Updates).Name.ToLowerInvariant(), "activate");
return;
case "pause":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.ServerState).Name.ToLowerInvariant(), "pause");
return;
case "resume":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.ServerState).Name.ToLowerInvariant(), "resume");
return;
case "stop":
case "abort":
{
var key = string.Format("{0}/{1}", input["taskid"].Value, command);
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Task).Name.ToLowerInvariant(), key);
}
return;
case "is-backup-active":
{
var key = string.Format("{0}/isactive", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "GET", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "run":
case "run-backup":
{
var key = string.Format("{0}/start", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "run-verify":
{
var key = string.Format("{0}/verify", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "run-repair-update":
{
var key = string.Format("{0}/repairupdate", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "run-repair":
{
var key = string.Format("{0}/repair", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "create-report":
{
var key = string.Format("{0}/createreport", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
default:
{
var key = string.Format("{0}", Library.Utility.Uri.UrlPathEncode(input["command"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.WebModule).Name.ToLowerInvariant(), key);
return;
}
}
}
private void GetNotifications(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.Notifications));
}
private void DeleteBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var backup = Program.DataConnection.GetBackup(input["id"].Value);
if (backup == null)
{
ReportError(response, bw, "Invalid or missing backup id");
return;
}
if (Program.WorkThread.Active)
{
try
{
//TODO: It's not safe to access the values like this,
//because the runner thread might interfere
var nt = Program.WorkThread.CurrentTask;
if (backup.Equals(nt == null ? null : nt.Backup))
{
bool force;
if (!bool.TryParse(input["force"].Value, out force))
force = false;
if (!force)
{
bw.WriteJsonObject(new { status = "failed", reason = "backup-in-progress" });
return;
}
bool hasPaused = Program.LiveControl.State == LiveControls.LiveControlState.Paused;
Program.LiveControl.Pause();
try
{
for (int i = 0; i < 10; i++)
if (Program.WorkThread.Active)
{
var t = Program.WorkThread.CurrentTask;
if (backup.Equals(t == null ? null : t.Backup))
System.Threading.Thread.Sleep(1000);
else
break;
}
else
break;
}
finally
{
}
if (Program.WorkThread.Active)
{
var t = Program.WorkThread.CurrentTask;
if (backup.Equals(t == null ? null : t.Backup))
{
if (hasPaused)
Program.LiveControl.Resume();
bw.WriteJsonObject(new { status = "failed", reason = "backup-unstoppable" });
return;
}
}
if (hasPaused)
Program.LiveControl.Resume();
}
}
catch (Exception ex)
{
bw.WriteJsonObject(new { status = "error", message = ex.Message });
return;
}
}
Program.DataConnection.DeleteBackup(backup);
//We have fiddled with the schedules
Program.Scheduler.Reschedule();
bw.OutputOK();
}
private void DismissNotification(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
request.Method = "DELETE";
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.Notification));
}
public override bool Process(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var auth_token = FindAuthCookie(request);
var xsrf_token = FindXSRFToken(request);
if (!HasXSRFCookie(request))
{
var cookieAdded = AddXSRFTokenToRespone(response);
if (!cookieAdded)
{
response.Status = System.Net.HttpStatusCode.ServiceUnavailable;
response.Reason = "Too Many Concurrent Request, try again later";
return(true);
}
}
if (LOGOUT_SCRIPT_URI.Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase))
{
if (!string.IsNullOrWhiteSpace(auth_token))
{
if (m_activeTokens.ContainsKey(auth_token))
{
m_activeTokens.Remove(auth_token);
}
}
response.Status = System.Net.HttpStatusCode.NoContent;
response.Reason = "OK";
return(true);
}
else if (LOGIN_SCRIPT_URI.Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase))
{
foreach (var k in (from n in m_activeNonces where DateTime.UtcNow > n.Value.Item1 select n.Key).ToList())
{
m_activeNonces.Remove(k);
}
if (input["get-nonce"] != null && !string.IsNullOrWhiteSpace(input["get-nonce"].Value))
{
if (m_activeNonces.Count > 50)
{
response.Status = System.Net.HttpStatusCode.ServiceUnavailable;
response.Reason = "Too many active login attempts";
return(true);
}
var buf = new byte[32];
var expires = DateTime.UtcNow.AddMinutes(AUTH_TIMEOUT_MINUTES);
m_prng.GetBytes(buf);
var nonce = Convert.ToBase64String(buf);
var sha256 = System.Security.Cryptography.SHA256.Create();
sha256.TransformBlock(buf, 0, buf.Length, buf, 0);
buf = Convert.FromBase64String(Program.DataConnection.ApplicationSettings.WebserverPassword);
sha256.TransformFinalBlock(buf, 0, buf.Length);
var pwd = Convert.ToBase64String(sha256.Hash);
m_activeNonces.Add(nonce, new Tuple <DateTime, string>(expires, pwd));
response.Cookies.Add(new HttpServer.ResponseCookie(NONCE_COOKIE_NAME, nonce, expires));
using (var bw = new BodyWriter(response, request))
{
bw.OutputOK(new {
Status = "OK",
Nonce = nonce,
Salt = Program.DataConnection.ApplicationSettings.WebserverPasswordSalt
});
}
return(true);
}
else
{
if (input["password"] != null && !string.IsNullOrWhiteSpace(input["password"].Value))
{
var nonce_el = request.Cookies[NONCE_COOKIE_NAME] ?? request.Cookies[Library.Utility.Uri.UrlEncode(NONCE_COOKIE_NAME)];
var nonce = nonce_el == null || string.IsNullOrWhiteSpace(nonce_el.Value) ? "" : nonce_el.Value;
var urldecoded = nonce == null ? "" : Duplicati.Library.Utility.Uri.UrlDecode(nonce);
if (m_activeNonces.ContainsKey(urldecoded))
{
nonce = urldecoded;
}
if (!m_activeNonces.ContainsKey(nonce))
{
response.Status = System.Net.HttpStatusCode.Unauthorized;
response.Reason = "Unauthorized";
response.ContentType = "application/json";
return(true);
}
var pwd = m_activeNonces[nonce].Item2;
m_activeNonces.Remove(nonce);
if (pwd != input["password"].Value)
{
response.Status = System.Net.HttpStatusCode.Unauthorized;
response.Reason = "Unauthorized";
response.ContentType = "application/json";
return(true);
}
var buf = new byte[32];
var expires = DateTime.UtcNow.AddHours(1);
m_prng.GetBytes(buf);
var token = Duplicati.Library.Utility.Utility.Base64UrlEncode(buf);
while (token.Length > 0 && token.EndsWith("="))
{
token = token.Substring(0, token.Length - 1);
}
m_activeTokens.Add(token, expires);
response.Cookies.Add(new HttpServer.ResponseCookie(AUTH_COOKIE_NAME, token, expires));
using (var bw = new BodyWriter(response, request))
bw.OutputOK();
return(true);
}
}
}
var limitedAccess =
ControlHandler.CONTROL_HANDLER_URI.Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase)
||
request.Uri.AbsolutePath.StartsWith(RESTHandler.API_URI_PATH, StringComparison.InvariantCultureIgnoreCase)
;
if (limitedAccess)
{
if (xsrf_token != null && m_activexsrf.ContainsKey(xsrf_token))
{
var expires = DateTime.UtcNow.AddMinutes(XSRF_TIMEOUT_MINUTES);
m_activexsrf[xsrf_token] = expires;
response.Cookies.Add(new ResponseCookie(XSRF_COOKIE_NAME, xsrf_token, expires));
}
else
{
response.Status = System.Net.HttpStatusCode.BadRequest;
response.Reason = "Missing XSRF Token";
return(true);
}
}
if (string.IsNullOrWhiteSpace(Program.DataConnection.ApplicationSettings.WebserverPassword))
{
return(false);
}
foreach (var k in (from n in m_activeTokens where DateTime.UtcNow > n.Value select n.Key).ToList())
{
m_activeTokens.Remove(k);
}
// If we have a valid token, proceeed
if (!string.IsNullOrWhiteSpace(auth_token))
{
DateTime expires;
var found = m_activeTokens.TryGetValue(auth_token, out expires);
if (!found)
{
auth_token = Duplicati.Library.Utility.Uri.UrlDecode(auth_token);
found = m_activeTokens.TryGetValue(auth_token, out expires);
}
if (found && DateTime.UtcNow < expires)
{
expires = DateTime.UtcNow.AddHours(1);
m_activeTokens[auth_token] = expires;
response.Cookies.Add(new ResponseCookie(AUTH_COOKIE_NAME, auth_token, expires));
return(false);
}
}
if ("/".Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase) || "/index.html".Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase))
{
response.Redirect("/login.html");
return(true);
}
if (ControlHandler.CONTROL_HANDLER_URI.Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase))
{
response.Status = System.Net.HttpStatusCode.Unauthorized;
response.Reason = "Not logged in";
response.AddHeader("Location", "login.html");
return(true);
}
return(false);
}
private void GetUISettingSchemes(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.UISettings));
}
private void SearchBackupFiles(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.Equals("POST", StringComparison.InvariantCultureIgnoreCase) ? request.Form : request.QueryString;
var key = string.Format("{0}/files/{1}", input["id"].Value, input["filter"].Value);
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
private void GetBackupDefaults(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.BackupDefaults));
}
private void GetFolderContents(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.Filesystem).Name.ToLowerInvariant(), Library.Utility.Uri.UrlPathEncode(request.QueryString["path"].Value));
}
private void PollLogMessages(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.DoProcess(request, response, session, "GET", typeof(RESTMethods.LogData).Name.ToLowerInvariant(), "poll");
}
private void GetAcknowledgements(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.Acknowledgements));
}
private void SendCommand(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
string command = input["command"].Value ?? "";
switch (command.ToLowerInvariant())
{
case "check-update":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Updates).Name.ToLowerInvariant(), "check");
return;
case "install-update":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Updates).Name.ToLowerInvariant(), "install");
return;
case "activate-update":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Updates).Name.ToLowerInvariant(), "activate");
return;
case "pause":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.ServerState).Name.ToLowerInvariant(), "pause");
return;
case "resume":
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.ServerState).Name.ToLowerInvariant(), "resume");
return;
case "stop":
case "abort":
{
var key = string.Format("{0}/{1}", input["taskid"].Value, command);
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Task).Name.ToLowerInvariant(), key);
}
return;
case "is-backup-active":
{
var key = string.Format("{0}/isactive", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "GET", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "run":
case "run-backup":
{
var key = string.Format("{0}/start", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "run-verify":
{
var key = string.Format("{0}/verify", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "run-repair-update":
{
var key = string.Format("{0}/repairupdate", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "run-repair":
{
var key = string.Format("{0}/repair", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
case "create-report":
{
var key = string.Format("{0}/createreport", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
return;
default:
{
var key = string.Format("{0}", Library.Utility.Uri.UrlPathEncode(input["command"].Value));
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.WebModule).Name.ToLowerInvariant(), key);
return;
}
}
}
private void CreateRemoteFolder(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var key = string.Format("{0}/create", Library.Utility.Uri.UrlPathEncode(input["url"].Value));
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.RemoteOperation).Name.ToLowerInvariant(), key);
}
public override bool Process(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session)
{
//We use the fake entry point /control.cgi to listen for requests
//This ensures that the rest of the webserver can just serve plain files
if (!request.Uri.AbsolutePath.Equals(CONTROL_HANDLER_URI, StringComparison.InvariantCultureIgnoreCase))
{
return(false);
}
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
string action = input["action"].Value ?? "";
//Lookup the actual handler method
ProcessSub method;
SUPPORTED_METHODS.TryGetValue(action, out method);
if (method == null)
{
response.Status = System.Net.HttpStatusCode.NotImplemented;
response.Reason = "Unsupported action: " + (action == null ? "<null>" : "");
response.Send();
}
else
{
//Default setup
response.Status = System.Net.HttpStatusCode.OK;
response.Reason = "OK";
#if DEBUG
response.ContentType = "text/plain";
#else
response.ContentType = "text/json";
#endif
using (BodyWriter bw = new BodyWriter(response, request))
{
try
{
method(request, response, session, bw);
}
catch (Exception ex)
{
Program.DataConnection.LogError("", string.Format("Request for {0} gave error", action), ex);
Console.WriteLine(ex.ToString());
try
{
if (!response.HeadersSent)
{
response.Status = System.Net.HttpStatusCode.InternalServerError;
response.Reason = "Error";
response.ContentType = "text/plain";
bw.WriteJsonObject(new
{
Message = ex.Message,
Type = ex.GetType().Name,
#if DEBUG
Stacktrace = ex.ToString()
#endif
});
bw.Flush();
}
}
catch (Exception flex)
{
Program.DataConnection.LogError("", "Reporting error gave error", flex);
}
}
}
}
return(true);
}
private void ListSupportedActions(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
bw.OutputOK(new { Version = 1, Methods = SUPPORTED_METHODS.Keys });
}
private void ImportBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.DoProcess(request, response, session, "POST", typeof(RESTMethods.Backups).Name.ToLowerInvariant(), "import");
}
private void GetCurrentState (HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.ServerState));
}
private void DismissNotification(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
request.Method = "DELETE";
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.Notification));
}
private void DownloadBugReport(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.BugReport));
}
private void GetBackupDefaults(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.BackupDefaults));
}
private void ExportBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
var input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var key = string.Format("{0}/export", Library.Utility.Uri.UrlPathEncode(input["id"].Value));
RESTHandler.DoProcess(request, response, session, request.Method, typeof(RESTMethods.Backup).Name.ToLowerInvariant(), key);
}
private void GetAcknowledgements(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.Acknowledgements));
}
private void GetNotifications(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.Notifications));
}
public static void HandleControlCGI(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw, Type module)
{
var method = request.Method;
if (!string.IsNullOrWhiteSpace(request.Headers["X-HTTP-Method-Override"]))
{
method = request.Headers["X-HTTP-Method-Override"];
}
DoProcess(request, response, session, method, module.Name.ToLowerInvariant(), (request.Method.ToUpper() == "POST" ? request.Form : request.QueryString)["id"].Value);
}
private void GetUISettingSchemes(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.HandleControlCGI(request, response, session, bw, typeof(RESTMethods.UISettings));
}
public override bool Process(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var auth_token = FindAuthCookie(request);
var xsrf_token = FindXSRFToken(request);
if (!HasXSRFCookie(request))
{
var cookieAdded = AddXSRFTokenToRespone(response);
if (!cookieAdded)
{
response.Status = System.Net.HttpStatusCode.ServiceUnavailable;
response.Reason = "Too Many Concurrent Request, try again later";
return(true);
}
}
Tuple <DateTime, string> tmpTuple;
DateTime tmpDateTime;
if (LOGOUT_SCRIPT_URI.Equals(request.Uri.AbsolutePath, StringComparison.OrdinalIgnoreCase))
{
if (!string.IsNullOrWhiteSpace(auth_token))
{
// Remove the active auth token
m_activeTokens.TryRemove(auth_token, out tmpDateTime);
}
response.Status = System.Net.HttpStatusCode.NoContent;
response.Reason = "OK";
return(true);
}
else if (LOGIN_SCRIPT_URI.Equals(request.Uri.AbsolutePath, StringComparison.OrdinalIgnoreCase))
{
// Remove expired nonces
foreach (var k in (from n in m_activeNonces where DateTime.UtcNow > n.Value.Item1 select n.Key))
{
m_activeNonces.TryRemove(k, out tmpTuple);
}
if (input["get-nonce"] != null && !string.IsNullOrWhiteSpace(input["get-nonce"].Value))
{
if (m_activeNonces.Count > 50)
{
response.Status = System.Net.HttpStatusCode.ServiceUnavailable;
response.Reason = "Too many active login attempts";
return(true);
}
var password = Program.DataConnection.ApplicationSettings.WebserverPassword;
if (request.Headers[TRAYICONPASSWORDSOURCE_HEADER] == "database")
{
password = Program.DataConnection.ApplicationSettings.WebserverPasswordTrayIconHash;
}
var buf = new byte[32];
var expires = DateTime.UtcNow.AddMinutes(AUTH_TIMEOUT_MINUTES);
m_prng.GetBytes(buf);
var nonce = Convert.ToBase64String(buf);
var sha256 = System.Security.Cryptography.SHA256.Create();
sha256.TransformBlock(buf, 0, buf.Length, buf, 0);
buf = Convert.FromBase64String(password);
sha256.TransformFinalBlock(buf, 0, buf.Length);
var pwd = Convert.ToBase64String(sha256.Hash);
m_activeNonces.AddOrUpdate(nonce, key => new Tuple <DateTime, string>(expires, pwd), (key, existingValue) =>
{
// Simulate the original behavior => if the nonce, against all odds, is already used
// we throw an ArgumentException
throw new ArgumentException("An element with the same key already exists in the dictionary.");
});
response.Cookies.Add(new HttpServer.ResponseCookie(NONCE_COOKIE_NAME, nonce, expires));
using (var bw = new BodyWriter(response, request))
{
bw.OutputOK(new {
Status = "OK",
Nonce = nonce,
Salt = Program.DataConnection.ApplicationSettings.WebserverPasswordSalt
});
}
return(true);
}
else
{
if (input["password"] != null && !string.IsNullOrWhiteSpace(input["password"].Value))
{
var nonce_el = request.Cookies[NONCE_COOKIE_NAME] ?? request.Cookies[Library.Utility.Uri.UrlEncode(NONCE_COOKIE_NAME)];
var nonce = nonce_el == null || string.IsNullOrWhiteSpace(nonce_el.Value) ? "" : nonce_el.Value;
var urldecoded = nonce == null ? "" : Duplicati.Library.Utility.Uri.UrlDecode(nonce);
if (m_activeNonces.ContainsKey(urldecoded))
{
nonce = urldecoded;
}
if (!m_activeNonces.ContainsKey(nonce))
{
response.Status = System.Net.HttpStatusCode.Unauthorized;
response.Reason = "Unauthorized";
response.ContentType = "application/json";
return(true);
}
var pwd = m_activeNonces[nonce].Item2;
// Remove the nonce
m_activeNonces.TryRemove(nonce, out tmpTuple);
if (pwd != input["password"].Value)
{
response.Status = System.Net.HttpStatusCode.Unauthorized;
response.Reason = "Unauthorized";
response.ContentType = "application/json";
return(true);
}
var buf = new byte[32];
var expires = DateTime.UtcNow.AddHours(1);
m_prng.GetBytes(buf);
var token = Duplicati.Library.Utility.Utility.Base64UrlEncode(buf);
while (token.Length > 0 && token.EndsWith("="))
{
token = token.Substring(0, token.Length - 1);
}
m_activeTokens.AddOrUpdate(token, key => expires, (key, existingValue) =>
{
// Simulate the original behavior => if the token, against all odds, is already used
// we throw an ArgumentException
throw new ArgumentException("An element with the same key already exists in the dictionary.");
});
response.Cookies.Add(new HttpServer.ResponseCookie(AUTH_COOKIE_NAME, token, expires));
using (var bw = new BodyWriter(response, request))
bw.OutputOK();
return(true);
}
}
}
var limitedAccess =
request.Uri.AbsolutePath.StartsWith(RESTHandler.API_URI_PATH, StringComparison.OrdinalIgnoreCase)
;
// Override to allow the CAPTCHA call to go through
if (request.Uri.AbsolutePath.StartsWith(CAPTCHA_IMAGE_URI, StringComparison.OrdinalIgnoreCase) && request.Method == "GET")
{
limitedAccess = false;
}
if (limitedAccess)
{
if (xsrf_token != null && m_activexsrf.ContainsKey(xsrf_token))
{
var expires = DateTime.UtcNow.AddMinutes(XSRF_TIMEOUT_MINUTES);
m_activexsrf[xsrf_token] = expires;
response.Cookies.Add(new ResponseCookie(XSRF_COOKIE_NAME, xsrf_token, expires));
}
else
{
response.Status = System.Net.HttpStatusCode.BadRequest;
response.Reason = "Missing XSRF Token";
return(true);
}
}
if (string.IsNullOrWhiteSpace(Program.DataConnection.ApplicationSettings.WebserverPassword))
{
return(false);
}
foreach (var k in (from n in m_activeTokens where DateTime.UtcNow > n.Value select n.Key))
{
m_activeTokens.TryRemove(k, out tmpDateTime);
}
// If we have a valid token, proceed
if (!string.IsNullOrWhiteSpace(auth_token))
{
DateTime expires;
var found = m_activeTokens.TryGetValue(auth_token, out expires);
if (!found)
{
auth_token = Duplicati.Library.Utility.Uri.UrlDecode(auth_token);
found = m_activeTokens.TryGetValue(auth_token, out expires);
}
if (found && DateTime.UtcNow < expires)
{
expires = DateTime.UtcNow.AddHours(1);
m_activeTokens[auth_token] = expires;
response.Cookies.Add(new ResponseCookie(AUTH_COOKIE_NAME, auth_token, expires));
return(false);
}
}
if ("/".Equals(request.Uri.AbsolutePath, StringComparison.OrdinalIgnoreCase) || "/index.html".Equals(request.Uri.AbsolutePath, StringComparison.OrdinalIgnoreCase))
{
response.Redirect("/login.html");
return(true);
}
if (limitedAccess)
{
response.Status = System.Net.HttpStatusCode.Unauthorized;
response.Reason = "Not logged in";
response.AddHeader("Location", "login.html");
return(true);
}
return(false);
}
private void PollLogMessages(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
RESTHandler.DoProcess(request, response, session, "GET", typeof(RESTMethods.LogData).Name.ToLowerInvariant(), "poll");
}
private void DeleteBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var backup = Program.DataConnection.GetBackup(input["id"].Value);
if (backup == null)
{
ReportError(response, bw, "Invalid or missing backup id");
return;
}
if (Program.WorkThread.Active)
{
try
{
//TODO: It's not safe to access the values like this,
//because the runner thread might interfere
var nt = Program.WorkThread.CurrentTask;
if (backup.Equals(nt == null ? null : nt.Backup))
{
bool force;
if (!bool.TryParse(input["force"].Value, out force))
{
force = false;
}
if (!force)
{
bw.WriteJsonObject(new { status = "failed", reason = "backup-in-progress" });
return;
}
bool hasPaused = Program.LiveControl.State == LiveControls.LiveControlState.Paused;
Program.LiveControl.Pause();
try
{
for (int i = 0; i < 10; i++)
{
if (Program.WorkThread.Active)
{
var t = Program.WorkThread.CurrentTask;
if (backup.Equals(t == null ? null : t.Backup))
{
System.Threading.Thread.Sleep(1000);
}
else
{
break;
}
}
else
{
break;
}
}
}
finally
{
}
if (Program.WorkThread.Active)
{
var t = Program.WorkThread.CurrentTask;
if (backup.Equals(t == null ? null : t.Backup))
{
if (hasPaused)
{
Program.LiveControl.Resume();
}
bw.WriteJsonObject(new { status = "failed", reason = "backup-unstoppable" });
return;
}
}
if (hasPaused)
{
Program.LiveControl.Resume();
}
}
}
catch (Exception ex)
{
bw.WriteJsonObject(new { status = "error", message = ex.Message });
return;
}
}
Program.DataConnection.DeleteBackup(backup);
//We have fiddled with the schedules
Program.Scheduler.Reschedule();
bw.OutputOK();
}
public override bool Process (HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session)
{
//We use the fake entry point /control.cgi to listen for requests
//This ensures that the rest of the webserver can just serve plain files
if (!request.Uri.AbsolutePath.Equals(CONTROL_HANDLER_URI, StringComparison.InvariantCultureIgnoreCase))
return false;
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
string action = input["action"].Value ?? "";
//Lookup the actual handler method
ProcessSub method;
SUPPORTED_METHODS.TryGetValue(action, out method);
if (method == null) {
response.Status = System.Net.HttpStatusCode.NotImplemented;
response.Reason = "Unsupported action: " + (action == null ? "<null>" : "");
response.Send();
} else {
//Default setup
response.Status = System.Net.HttpStatusCode.OK;
response.Reason = "OK";
#if DEBUG
response.ContentType = "text/plain";
#else
response.ContentType = "text/json";
#endif
using (BodyWriter bw = new BodyWriter(response, request))
{
try
{
method(request, response, session, bw);
}
catch (Exception ex)
{
Program.DataConnection.LogError("", string.Format("Request for {0} gave error", action), ex);
Console.WriteLine(ex.ToString());
try
{
if (!response.HeadersSent)
{
response.Status = System.Net.HttpStatusCode.InternalServerError;
response.Reason = "Error";
response.ContentType = "text/plain";
bw.WriteJsonObject(new
{
Message = ex.Message,
Type = ex.GetType().Name,
#if DEBUG
Stacktrace = ex.ToString()
#endif
});
bw.Flush();
}
}
catch (Exception flex)
{
Program.DataConnection.LogError("", "Reporting error gave error", flex);
}
}
}
}
return true;
}
private void GetBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var bk = Program.DataConnection.GetBackup(input["id"].Value);
if (bk == null)
{
ReportError(response, bw, "Invalid or missing backup id");
}
else
{
var scheduleId = Program.DataConnection.GetScheduleIDsFromTags(new string[] { "ID=" + bk.ID });
var schedule = scheduleId.Any() ? Program.DataConnection.GetSchedule(scheduleId.First()) : null;
var sourcenames = SpecialFolders.GetSourceNames(bk);
//TODO: Filter out the password in both settings and the target url
bw.OutputOK(new
{
success = true,
data = new {
Schedule = schedule,
Backup = bk,
DisplayNames = sourcenames
}
});
}
}
private void GetFolderContents(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
if (input["path"] == null || input["path"].Value == null)
{
ReportError(response, bw, "The path parameter was not set");
return;
}
bool skipFiles = Library.Utility.Utility.ParseBool(input["onlyfolders"].Value, false);
var path = input["path"].Value;
string specialpath = null;
string specialtoken = null;
if (path.StartsWith("%"))
{
var ix = path.IndexOf("%", 1);
if (ix > 0)
{
var tk = path.Substring(0, ix + 1);
var node = SpecialFolders.Nodes.Where(x => x.id.Equals(tk, StringComparison.InvariantCultureIgnoreCase)).FirstOrDefault();
if (node != null)
{
specialpath = node.resolvedpath;
specialtoken = node.id;
}
}
}
path = SpecialFolders.ExpandEnvironmentVariables(path);
if (Duplicati.Library.Utility.Utility.IsClientLinux && !path.StartsWith("/"))
{
ReportError(response, bw, "The path parameter must start with a forward-slash");
return;
}
try
{
if (path != "" && path != "/")
path = Duplicati.Library.Utility.Utility.AppendDirSeparator(path);
IEnumerable<Serializable.TreeNode> res;
if (!Library.Utility.Utility.IsClientLinux && (path.Equals("/") || path.Equals("")))
{
res =
from di in System.IO.DriveInfo.GetDrives()
where di.DriveType == DriveType.Fixed || di.DriveType == DriveType.Network || di.DriveType == DriveType.Removable
select new Serializable.TreeNode()
{
id = di.RootDirectory.FullName,
text = di.RootDirectory.FullName.Replace('\\', ' ') + "(" + di.DriveType + ")",
iconCls = "x-tree-icon-drive"
};
}
else
{
res = ListFolderAsNodes(path, skipFiles);
}
if ((path.Equals("/") || path.Equals("")) && specialtoken == null)
{
// Prepend special folders
res = SpecialFolders.Nodes.Union(res);
}
if (specialtoken != null)
{
res = from n in res
select new Serializable.TreeNode() {
id = specialtoken + n.id.Substring(specialpath.Length),
text = n.text,
iconCls = n.iconCls,
leaf = n.leaf,
resolvedpath = n.id
};
}
bw.OutputOK(res);
}
catch (Exception ex)
{
ReportError(response, bw, "Failed to process the path: " + ex.Message);
}
}
private void DeleteBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var backup = Program.DataConnection.GetBackup(input["id"].Value);
if (backup == null)
{
ReportError(response, bw, "Invalid or missing backup id");
return;
}
if (Program.WorkThread.Active)
{
try
{
//TODO: It's not safe to access the values like this,
//because the runner thread might interfere
var nt = Program.WorkThread.CurrentTask;
if (backup.Equals(nt == null ? null : nt.Backup))
{
bool force;
if (!bool.TryParse(input["force"].Value, out force))
{
force = false;
}
if (!force)
{
bw.WriteJsonObject(new { status = "failed", reason = "backup-in-progress" });
return;
}
bool hasPaused = Program.LiveControl.State == LiveControls.LiveControlState.Paused;
Program.LiveControl.Pause();
try
{
for (int i = 0; i < 10; i++)
{
if (Program.WorkThread.Active)
{
var t = Program.WorkThread.CurrentTask;
if (backup.Equals(t == null ? null : t.Backup))
{
System.Threading.Thread.Sleep(1000);
}
else
{
break;
}
}
else
{
break;
}
}
}
finally
{
}
if (Program.WorkThread.Active)
{
var t = Program.WorkThread.CurrentTask;
if (backup.Equals(t == null ? null : t.Backup))
{
if (hasPaused)
{
Program.LiveControl.Resume();
}
bw.WriteJsonObject(new { status = "failed", reason = "backup-unstoppable" });
return;
}
}
if (hasPaused)
{
Program.LiveControl.Resume();
}
}
}
catch (Exception ex)
{
bw.WriteJsonObject(new { status = "error", message = ex.Message });
return;
}
}
//var dbpath = backup.DBPath;
Program.DataConnection.DeleteBackup(backup);
// TODO: Before we activate this,
// we need some strategy to figure out
// if the db is shared with something else
// like the commandline or another backup
/*try
* {
* if (System.IO.File.Exists(dbpath))
* System.IO.File.Delete(dbpath);
* }
* catch (Exception ex)
* {
* Program.DataConnection.LogError(null, string.Format("Failed to delete database: {0}", dbpath), ex);
* }*/
//We have fiddled with the schedules
Program.Scheduler.Reschedule();
bw.OutputOK();
}
public override bool Process(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session)
{
HttpServer.HttpInput input = request.Method.ToUpper() == "POST" ? request.Form : request.QueryString;
var auth_token = FindAuthCookie(request);
var xsrf_token = FindXSRFToken(request);
if (!HasXSRFCookie(request))
{
var cookieAdded = AddXSRFTokenToRespone(response);
if (!cookieAdded)
{
response.Status = System.Net.HttpStatusCode.ServiceUnavailable;
response.Reason = "Too Many Concurrent Request, try again later";
return true;
}
}
Tuple<DateTime, string> tmpTuple;
DateTime tmpDateTime;
if (LOGOUT_SCRIPT_URI.Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase))
{
if (!string.IsNullOrWhiteSpace(auth_token))
{
// Remove the active auth token
m_activeTokens.TryRemove(auth_token, out tmpDateTime);
}
response.Status = System.Net.HttpStatusCode.NoContent;
response.Reason = "OK";
return true;
}
else if (LOGIN_SCRIPT_URI.Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase))
{
// Remove expired nonces
foreach(var k in (from n in m_activeNonces where DateTime.UtcNow > n.Value.Item1 select n.Key))
m_activeNonces.TryRemove(k, out tmpTuple);
if (input["get-nonce"] != null && !string.IsNullOrWhiteSpace(input["get-nonce"].Value))
{
if (m_activeNonces.Count > 50)
{
response.Status = System.Net.HttpStatusCode.ServiceUnavailable;
response.Reason = "Too many active login attempts";
return true;
}
var buf = new byte[32];
var expires = DateTime.UtcNow.AddMinutes(AUTH_TIMEOUT_MINUTES);
m_prng.GetBytes(buf);
var nonce = Convert.ToBase64String(buf);
var sha256 = System.Security.Cryptography.SHA256.Create();
sha256.TransformBlock(buf, 0, buf.Length, buf, 0);
buf = Convert.FromBase64String(Program.DataConnection.ApplicationSettings.WebserverPassword);
sha256.TransformFinalBlock(buf, 0, buf.Length);
var pwd = Convert.ToBase64String(sha256.Hash);
m_activeNonces.AddOrUpdate(nonce, key => new Tuple<DateTime, string>(expires, pwd), (key, existingValue) =>
{
// Simulate the original behavior => if the nonce, against all odds, is already used
// we throw an ArgumentException
throw new ArgumentException("An element with the same key already exists in the dictionary.");
});
response.Cookies.Add(new HttpServer.ResponseCookie(NONCE_COOKIE_NAME, nonce, expires));
using(var bw = new BodyWriter(response, request))
{
bw.OutputOK(new {
Status = "OK",
Nonce = nonce,
Salt = Program.DataConnection.ApplicationSettings.WebserverPasswordSalt
});
}
return true;
}
else
{
if (input["password"] != null && !string.IsNullOrWhiteSpace(input["password"].Value))
{
var nonce_el = request.Cookies[NONCE_COOKIE_NAME] ?? request.Cookies[Library.Utility.Uri.UrlEncode(NONCE_COOKIE_NAME)];
var nonce = nonce_el == null || string.IsNullOrWhiteSpace(nonce_el.Value) ? "" : nonce_el.Value;
var urldecoded = nonce == null ? "" : Duplicati.Library.Utility.Uri.UrlDecode(nonce);
if (m_activeNonces.ContainsKey(urldecoded))
nonce = urldecoded;
if (!m_activeNonces.ContainsKey(nonce))
{
response.Status = System.Net.HttpStatusCode.Unauthorized;
response.Reason = "Unauthorized";
response.ContentType = "application/json";
return true;
}
var pwd = m_activeNonces[nonce].Item2;
// Remove the nonce
m_activeNonces.TryRemove(nonce, out tmpTuple);
if (pwd != input["password"].Value)
{
response.Status = System.Net.HttpStatusCode.Unauthorized;
response.Reason = "Unauthorized";
response.ContentType = "application/json";
return true;
}
var buf = new byte[32];
var expires = DateTime.UtcNow.AddHours(1);
m_prng.GetBytes(buf);
var token = Duplicati.Library.Utility.Utility.Base64UrlEncode(buf);
while (token.Length > 0 && token.EndsWith("="))
token = token.Substring(0, token.Length - 1);
m_activeTokens.AddOrUpdate(token, key => expires, (key, existingValue) =>
{
// Simulate the original behavior => if the token, against all odds, is already used
// we throw an ArgumentException
throw new ArgumentException("An element with the same key already exists in the dictionary.");
});
response.Cookies.Add(new HttpServer.ResponseCookie(AUTH_COOKIE_NAME, token, expires));
using(var bw = new BodyWriter(response, request))
bw.OutputOK();
return true;
}
}
}
var limitedAccess =
ControlHandler.CONTROL_HANDLER_URI.Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase)
||
request.Uri.AbsolutePath.StartsWith(RESTHandler.API_URI_PATH, StringComparison.InvariantCultureIgnoreCase)
;
if (limitedAccess)
{
if (xsrf_token != null && m_activexsrf.ContainsKey(xsrf_token))
{
var expires = DateTime.UtcNow.AddMinutes(XSRF_TIMEOUT_MINUTES);
m_activexsrf[xsrf_token] = expires;
response.Cookies.Add(new ResponseCookie(XSRF_COOKIE_NAME, xsrf_token, expires));
}
else
{
response.Status = System.Net.HttpStatusCode.BadRequest;
response.Reason = "Missing XSRF Token";
return true;
}
}
if (string.IsNullOrWhiteSpace(Program.DataConnection.ApplicationSettings.WebserverPassword))
return false;
foreach(var k in (from n in m_activeTokens where DateTime.UtcNow > n.Value select n.Key))
m_activeTokens.TryRemove(k, out tmpDateTime);
// If we have a valid token, proceed
if (!string.IsNullOrWhiteSpace(auth_token))
{
DateTime expires;
var found = m_activeTokens.TryGetValue(auth_token, out expires);
if (!found)
{
auth_token = Duplicati.Library.Utility.Uri.UrlDecode(auth_token);
found = m_activeTokens.TryGetValue(auth_token, out expires);
}
if (found && DateTime.UtcNow < expires)
{
expires = DateTime.UtcNow.AddHours(1);
m_activeTokens[auth_token] = expires;
response.Cookies.Add(new ResponseCookie(AUTH_COOKIE_NAME, auth_token, expires));
return false;
}
}
if ("/".Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase) || "/index.html".Equals(request.Uri.AbsolutePath, StringComparison.InvariantCultureIgnoreCase))
{
response.Redirect("/login.html");
return true;
}
if (limitedAccess)
{
response.Status = System.Net.HttpStatusCode.Unauthorized;
response.Reason = "Not logged in";
response.AddHeader("Location", "login.html");
return true;
}
return false;
}
private void UpdateBackup(HttpServer.IHttpRequest request, HttpServer.IHttpResponse response, HttpServer.Sessions.IHttpSession session, BodyWriter bw)
{
string str = request.Form["data"].Value;
if (string.IsNullOrWhiteSpace(str))
{
ReportError(response, bw, "Missing backup object");
return;
}
AddOrUpdateBackupData data = null;
try
{
data = Serializer.Deserialize <AddOrUpdateBackupData>(new StringReader(str));
if (data.Backup == null)
{
ReportError(response, bw, "Data object had no backup entry");
return;
}
if (data.Backup.ID == null)
{
ReportError(response, bw, "Invalid or missing backup id");
return;
}
if (data.Backup.IsTemporary)
{
var backup = Program.DataConnection.GetBackup(data.Backup.ID);
if (backup.IsTemporary)
{
throw new InvalidDataException("External is temporary but internal is not?");
}
Program.DataConnection.UpdateTemporaryBackup(backup);
bw.OutputOK();
}
else
{
lock (Program.DataConnection.m_lock)
{
var backup = Program.DataConnection.GetBackup(data.Backup.ID);
if (backup == null)
{
ReportError(response, bw, "Invalid or missing backup id");
return;
}
if (Program.DataConnection.Backups.Where(x => x.Name.Equals(data.Backup.Name, StringComparison.InvariantCultureIgnoreCase) && x.ID != data.Backup.ID).Any())
{
ReportError(response, bw, "There already exists a backup with the name: " + data.Backup.Name);
return;
}
//TODO: Merge in real passwords where the placeholder is found
Program.DataConnection.AddOrUpdateBackupAndSchedule(data.Backup, data.Schedule);
}
bw.OutputOK();
}
}
catch (Exception ex)
{
if (data == null)
{
ReportError(response, bw, string.Format("Unable to parse backup or schedule object: {0}", ex.Message));
}
else
{
ReportError(response, bw, string.Format("Unable to save backup or schedule: {0}", ex.Message));
}
}
}
