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duplicati/Duplicati.Library.RestAPI/RESTMethods/Backups.cs
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Merge commit '4f577c65a4d8806f79637c50c21ca3a683c5a07a' into feature/kestrel-avalonia-upgrade
2024-03-04 12:21:53 +01:00
// Copyright (C) 2024, The Duplicati Team
// https://duplicati.com, hello@duplicati.com
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
First pass at introducing kestrel and refactoring to make the RESTAPI be its own package.
2022-12-30 10:59:29 -08:00
using System;
using System.Linq;
using System.Collections.Generic;
using Duplicati.Server.Serialization;
using System.IO;
using Duplicati.Library.RestAPI;
namespace Duplicati.Server.WebServer.RESTMethods
{
public class Backups : IRESTMethodGET, IRESTMethodPOST, IRESTMethodDocumented
{
public class AddOrUpdateBackupData
{
public Boolean IsUnencryptedOrPassphraseStored { get; set;}
public Database.Schedule Schedule { get; set;}
public Database.Backup Backup { get; set;}
}
public void GET(string key, RequestInfo info)
{
var schedules = FIXMEGlobal.DataConnection.Schedules;
var backups = FIXMEGlobal.DataConnection.Backups;
var all = from n in backups
select new AddOrUpdateBackupData {
IsUnencryptedOrPassphraseStored = FIXMEGlobal.DataConnection.IsUnencryptedOrPassphraseStored(long.Parse(n.ID)),
Backup = (Database.Backup)n,
Schedule =
(from x in schedules
where x.Tags != null && x.Tags.Contains("ID=" + n.ID)
select (Database.Schedule)x).FirstOrDefault()
};
info.BodyWriter.OutputOK(all.ToArray());
}
private void ImportBackup(RequestInfo info)
{
var output_template = "<html><body><script type=\"text/javascript\">var jso = 'JSO'; var rp = null; try { rp = parent['CBM']; } catch (e) {}; if (rp) { rp('MSG', jso); } else { alert; rp('MSG'); };</script></body></html>";
//output_template = "<html><body><script type=\"text/javascript\">alert('MSG');</script></body></html>";
try
{
var input = info.Request.Form;
var cmdline = Library.Utility.Utility.ParseBool(input["cmdline"].Value, false);
var import_metadata = Library.Utility.Utility.ParseBool(input["import_metadata"].Value, false);
var direct = Library.Utility.Utility.ParseBool(input["direct"].Value, false);
output_template = output_template.Replace("CBM", input["callback"].Value);
if (cmdline)
{
info.Response.ContentType = "text/html";
info.BodyWriter.Write(output_template.Replace("MSG", "Import from commandline not yet implemented"));
}
else
{
var file = info.Request.Form.GetFile("config");
if (file == null)
throw new Exception("No file uploaded");
Serializable.ImportExportStructure ipx = Backups.LoadConfiguration(file.Filename, import_metadata, () => input["passphrase"].Value);
if (direct)
{
lock (FIXMEGlobal.DataConnection.m_lock)
{
var basename = ipx.Backup.Name;
var c = 0;
while (c++ < 100 && FIXMEGlobal.DataConnection.Backups.Any(x => x.Name.Equals(ipx.Backup.Name, StringComparison.OrdinalIgnoreCase)))
ipx.Backup.Name = basename + " (" + c.ToString() + ")";
if (FIXMEGlobal.DataConnection.Backups.Any(x => x.Name.Equals(ipx.Backup.Name, StringComparison.OrdinalIgnoreCase)))
{
info.BodyWriter.SetOK();
info.Response.ContentType = "text/html";
info.BodyWriter.Write(output_template.Replace("MSG", "There already exists a backup with the name: " + basename.Replace("\'", "\\'")));
}
var err = FIXMEGlobal.DataConnection.ValidateBackup(ipx.Backup, ipx.Schedule);
if (!string.IsNullOrWhiteSpace(err))
{
info.ReportClientError(err, System.Net.HttpStatusCode.BadRequest);
return;
}
FIXMEGlobal.DataConnection.AddOrUpdateBackupAndSchedule(ipx.Backup, ipx.Schedule);
}
info.Response.ContentType = "text/html";
info.BodyWriter.Write(output_template.Replace("MSG", "OK"));
}
else
{
using (var sw = new StringWriter())
{
Serializer.SerializeJson(sw, ipx, true);
output_template = output_template.Replace("'JSO'", sw.ToString());
}
info.BodyWriter.Write(output_template.Replace("MSG", "Import completed, but a browser issue prevents loading the contents. Try using the direct import method instead."));
}
}
}
catch (Exception ex)
{
FIXMEGlobal.DataConnection.LogError("", "Failed to import backup", ex);
info.Response.ContentType = "text/html";
info.BodyWriter.Write(output_template.Replace("MSG", ex.Message.Replace("\'", "\\'").Replace("\r", "\\r").Replace("\n", "\\n")));
}
}
public static Serializable.ImportExportStructure ImportBackup(string configurationFile, bool importMetadata, Func<string> getPassword, Dictionary<string, string> advancedOptions)
{
// This removes the ID and DBPath from the backup configuration.
Serializable.ImportExportStructure importedStructure = Backups.LoadConfiguration(configurationFile, importMetadata, getPassword);
// This will create the Duplicati-server.sqlite database file if it doesn't exist.
using (Duplicati.Server.Database.Connection connection = FIXMEGlobal.GetDatabaseConnection(advancedOptions))
{
if (connection.Backups.Any(x => x.Name.Equals(importedStructure.Backup.Name, StringComparison.OrdinalIgnoreCase)))
{
throw new InvalidOperationException($"A backup with the name {importedStructure.Backup.Name} already exists.");
}
string error = connection.ValidateBackup(importedStructure.Backup, importedStructure.Schedule);
if (!string.IsNullOrWhiteSpace(error))
{
throw new InvalidOperationException(error);
}
// This creates a new ID and DBPath.
connection.AddOrUpdateBackupAndSchedule(importedStructure.Backup, importedStructure.Schedule);
}
return importedStructure;
}
private static Serializable.ImportExportStructure LoadConfiguration(string filename, bool importMetadata, Func<string> getPassword)
{
Serializable.ImportExportStructure ipx;
var buf = new byte[3];
using (var fs = System.IO.File.OpenRead(filename))
{
Duplicati.Library.Utility.Utility.ForceStreamRead(fs, buf, buf.Length);
fs.Position = 0;
if (buf[0] == 'A' && buf[1] == 'E' && buf[2] == 'S')
{
using (var m = new Duplicati.Library.Encryption.AESEncryption(getPassword(), new Dictionary<string, string>()))
{
using (var m2 = m.Decrypt(fs))
{
using (var sr = new System.IO.StreamReader(m2))
{
ipx = Serializer.Deserialize<Serializable.ImportExportStructure>(sr);
}
}
}
}
else
{
using (var sr = new System.IO.StreamReader(fs))
{
ipx = Serializer.Deserialize<Serializable.ImportExportStructure>(sr);
}
}
}
if (ipx.Backup == null)
{
throw new Exception("No backup found in document");
}
if (ipx.Backup.Metadata == null)
{
ipx.Backup.Metadata = new Dictionary<string, string>();
}
if (!importMetadata)
{
ipx.Backup.Metadata.Clear();
}
ipx.Backup.ID = null;
ipx.Backup.DBPath = null;
if (ipx.Schedule != null)
{
ipx.Schedule.ID = -1;
}
return ipx;
}
public void POST(string key, RequestInfo info)
{
if ("import".Equals(key, StringComparison.OrdinalIgnoreCase))
{
ImportBackup(info);
return;
}
AddOrUpdateBackupData data = null;
try
{
var str = info.Request.Form["data"].Value;
Mostly working. runnow doesn't work
2023-03-15 22:02:53 -07:00
if (string.IsNullOrWhiteSpace(str)) {
str = System.Threading.Tasks.Task.Run(async () =>
{
using (var sr = new System.IO.StreamReader(info.Request.Body, System.Text.Encoding.UTF8, true))
return await sr.ReadToEndAsync();
}).GetAwaiter().GetResult();
}
First pass at introducing kestrel and refactoring to make the RESTAPI be its own package.
2022-12-30 10:59:29 -08:00
data = Serializer.Deserialize<AddOrUpdateBackupData>(new StringReader(str));
if (data.Backup == null)
{
info.ReportClientError("Data object had no backup entry", System.Net.HttpStatusCode.BadRequest);
return;
}
data.Backup.ID = null;
if (Duplicati.Library.Utility.Utility.ParseBool(info.Request.Form["temporary"].Value, false))
{
using(var tf = new Duplicati.Library.Utility.TempFile())
data.Backup.DBPath = tf;
data.Backup.Filters = data.Backup.Filters ?? new Duplicati.Server.Serialization.Interface.IFilter[0];
data.Backup.Settings = data.Backup.Settings ?? new Duplicati.Server.Serialization.Interface.ISetting[0];
FIXMEGlobal.DataConnection.RegisterTemporaryBackup(data.Backup);
info.OutputOK(new { status = "OK", ID = data.Backup.ID });
}
else
{
if (Library.Utility.Utility.ParseBool(info.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(FIXMEGlobal.DataConnection.m_lock)
{
if (FIXMEGlobal.DataConnection.Backups.Any(x => x.Name.Equals(data.Backup.Name, StringComparison.OrdinalIgnoreCase)))
{
info.ReportClientError("There already exists a backup with the name: " + data.Backup.Name, System.Net.HttpStatusCode.Conflict);
return;
}
var err = FIXMEGlobal.DataConnection.ValidateBackup(data.Backup, data.Schedule);
if (!string.IsNullOrWhiteSpace(err))
{
info.ReportClientError(err, System.Net.HttpStatusCode.BadRequest);
return;
}
FIXMEGlobal.DataConnection.AddOrUpdateBackupAndSchedule(data.Backup, data.Schedule);
}
info.OutputOK(new { status = "OK", ID = data.Backup.ID });
}
}
catch (Exception ex)
{
if (data == null)
info.ReportClientError(string.Format("Unable to parse backup or schedule object: {0}", ex.Message), System.Net.HttpStatusCode.BadRequest);
else
info.ReportClientError(string.Format("Unable to save schedule or backup object: {0}", ex.Message), System.Net.HttpStatusCode.InternalServerError);
}
}
public string Description { get { return "Return a list of current backups and their schedules"; } }
public IEnumerable<KeyValuePair<string, Type>> Types
{
get
{
return new KeyValuePair<string, Type>[] {
new KeyValuePair<string, Type>(HttpServer.Method.Get, typeof(AddOrUpdateBackupData[])),
new KeyValuePair<string, Type>(HttpServer.Method.Post, typeof(AddOrUpdateBackupData))
};
}
}
}
}
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