wasStitchNET – Blame information for rev 17
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13 | office | 1 | /////////////////////////////////////////////////////////////////////////// |
2 | // Copyright (C) Wizardry and Steamworks 2016 - License: GNU GPLv3 // |
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3 | // Please see: http://www.gnu.org/licenses/gpl.html for legal details, // |
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4 | // rights of fair usage, the disclaimer and warranty conditions. // |
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5 | /////////////////////////////////////////////////////////////////////////// |
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6 | |||
17 | office | 7 | using System.Collections.Generic; |
13 | office | 8 | using System.IO; |
9 | using System.Linq; |
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10 | using System.Net; |
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11 | using System.Security.Cryptography; |
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12 | using System.Threading.Tasks; |
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13 | using wasDAVClient; |
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17 | office | 14 | using wasDAVClient.Model; |
13 | office | 15 | using wasSharp; |
16 | using wasSharpNET.IO.Utilities; |
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17 | |||
18 | namespace wasStitchNET.Repository |
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19 | { |
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20 | public class Hashing |
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21 | { |
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22 | /// <summary> |
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23 | /// Hash local files inside a directory. |
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24 | /// </summary> |
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25 | /// <param name="path">the path to a directory to hash</param> |
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26 | /// <param name="bufferSize">the partial hash buffer (default: 16384)</param> |
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27 | /// <returns>a SHA1 hash of all files in a directory ordered by name</returns> |
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28 | public static async Task<string> HashLocalFiles(string path, int bufferSize = 16384) |
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29 | { |
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30 | return await new Task<string>(() => |
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31 | { |
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32 | using (var sha1managed = new SHA1Managed()) |
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33 | { |
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34 | foreach (var stream in Directory |
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35 | .GetFiles(path, "*.*", SearchOption.AllDirectories) |
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36 | .OrderBy(o => o.Split(Path.DirectorySeparatorChar).Last()) |
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37 | .Select(file => IOExtensions.GetWriteStream(file, FileMode.Open, |
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17 | office | 38 | FileAccess.Read, FileShare.Read, STITCH_CONSTANTS.LOCAL_FILE_ACCESS_TIMEOUT))) |
13 | office | 39 | using (var binaryReader = new BinaryReader(stream)) |
40 | { |
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41 | var buff = new byte[bufferSize]; |
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42 | int read; |
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43 | while ((read = binaryReader.Read(buff, 0, buff.Length)) != 0) |
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44 | sha1managed.TransformBlock(buff, 0, read, null, 0); |
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45 | } |
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46 | |||
47 | sha1managed.TransformFinalBlock(new byte[] { }, 0, 0); |
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48 | return sha1managed.Hash.ToHexString(); |
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49 | } |
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50 | }); |
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51 | } |
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52 | |||
53 | /// <summary> |
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54 | /// Hash the files of a Stitch remote repository release. |
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55 | /// </summary> |
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56 | /// <param name="server">the server to hash the release for</param> |
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57 | /// <param name="update">the Stitch release to hash</param> |
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58 | /// <param name="timeout">the timeout in milliseconds to allow the server to respond</param> |
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59 | /// <returns>a SHA1 hash of all files in the release directory ordered by name</returns> |
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60 | public static async Task<string> HashRemoteFiles(string server, string update, int timeout) |
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61 | { |
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62 | using (var client = new Client(new NetworkCredential()) |
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63 | { |
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64 | Timeout = timeout, |
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65 | UserAgent = STITCH_CONSTANTS.USER_AGENT.Product.Name, |
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66 | UserAgentVersion = STITCH_CONSTANTS.USER_AGENT.Product.Version, |
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67 | Server = server, |
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68 | BasePath = string.Join(@"/", STITCH_CONSTANTS.UPDATE_PATH, |
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69 | STITCH_CONSTANTS.PROGRESSIVE_PATH) |
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70 | }) |
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71 | { |
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72 | return $"{await HashRemoteFiles(client, string.Join(@"/", update, STITCH_CONSTANTS.UPDATE_DATA_PATH))}"; |
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73 | } |
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74 | } |
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75 | |||
76 | /// <summary> |
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77 | /// Hash the files of a Stitch remote repository release using an existing was DAV client. |
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78 | /// </summary> |
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79 | /// <param name="client">the was DAV client to use</param> |
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80 | /// <param name="path">the path to the repository release folder</param> |
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81 | /// <param name="bufferSize">the partial hash buffer (default: 16384)</param> |
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82 | /// <returns>a SHA1 hash of all files in the release directory ordered by name</returns> |
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83 | public static async Task<string> HashRemoteFiles(Client client, string path, int bufferSize = 16384) |
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84 | { |
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85 | using (var sha1managed = new SHA1Managed()) |
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86 | { |
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17 | office | 87 | //var list = new List<Item>(); |
13 | office | 88 | foreach (var stream in (await client.List(path, Constants.DavDepth.ALL)) |
89 | .OrderBy(o => o.DisplayName) |
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90 | .Where(item => !item.IsCollection) |
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17 | office | 91 | .Select(file => client.Download(file.Href))) |
13 | office | 92 | using (var binaryReader = new BinaryReader(await stream)) |
93 | { |
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94 | var buff = new byte[bufferSize]; |
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95 | int read; |
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96 | while ((read = binaryReader.Read(buff, 0, buff.Length)) != 0) |
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97 | sha1managed.TransformBlock(buff, 0, read, null, 0); |
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98 | } |
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99 | |||
100 | sha1managed.TransformFinalBlock(new byte[] { }, 0, 0); |
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101 | return sha1managed.Hash.ToHexString(); |
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102 | } |
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103 | } |
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104 | } |
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105 | } |