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-rw-r--r--src/WixToolset.Core/Bind/FileTransfer.cs113
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diff --git a/src/WixToolset.Core/Bind/FileTransfer.cs b/src/WixToolset.Core/Bind/FileTransfer.cs
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1// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
2
3namespace WixToolset.Bind
4{
5 using System;
6 using System.IO;
7 using WixToolset;
8 using WixToolset.Data;
9
10 /// <summary>
11 /// Structure used for all file transfer information.
12 /// </summary>
13 internal class FileTransfer
14 {
15 /// <summary>Source path to file.</summary>
16 public string Source { get; set; }
17
18 /// <summary>Destination path for file.</summary>
19 public string Destination { get; set; }
20
21 /// <summary>Flag if file should be moved (optimal).</summary>
22 public bool Move { get; set; }
23
24 /// <summary>Optional source line numbers where this file transfer orginated.</summary>
25 public SourceLineNumber SourceLineNumbers { get; set; }
26
27 /// <summary>Optional type of file this transfer is moving or copying.</summary>
28 public string Type { get; set; }
29
30 /// <summary>Indicates whether the file transer was a built by this build or copied from other some build.</summary>
31 internal bool Built { get; set; }
32
33 /// <summary>Set during layout of media when the file transfer when the source and target resolve to the same path.</summary>
34 internal bool Redundant { get; set; }
35
36 /// <summary>
37 /// Prefer the TryCreate() method to create FileTransfer objects.
38 /// </summary>
39 /// <param name="source">Source path to file.</param>
40 /// <param name="destination">Destination path for file.</param>
41 /// <param name="move">File if file should be moved (optimal).</param>
42 /// <param name="type">Optional type of file this transfer is transferring.</param>
43 /// <param name="sourceLineNumbers">Optional source line numbers wher this transfer originated.</param>
44 public FileTransfer(string source, string destination, bool move, string type = null, SourceLineNumber sourceLineNumbers = null)
45 {
46 this.Source = source;
47 this.Destination = destination;
48 this.Move = move;
49
50 this.Type = type;
51 this.SourceLineNumbers = sourceLineNumbers;
52 }
53
54 /// <summary>
55 /// Creates a file transfer if the source and destination are different.
56 /// </summary>
57 /// <param name="source">Source path to file.</param>
58 /// <param name="destination">Destination path for file.</param>
59 /// <param name="move">File if file should be moved (optimal).</param>
60 /// <param name="type">Optional type of file this transfer is transferring.</param>
61 /// <param name="sourceLineNumbers">Optional source line numbers wher this transfer originated.</param>
62 /// <returns>true if the source and destination are the different, false if no file transfer is created.</returns>
63 public static bool TryCreate(string source, string destination, bool move, string type, SourceLineNumber sourceLineNumbers, out FileTransfer transfer)
64 {
65 string sourceFullPath = GetValidatedFullPath(sourceLineNumbers, source);
66
67 string fileLayoutFullPath = GetValidatedFullPath(sourceLineNumbers, destination);
68
69 // if the current source path (where we know that the file already exists) and the resolved
70 // path as dictated by the Directory table are not the same, then propagate the file. The
71 // image that we create may have already been done by some other process other than the linker, so
72 // there is no reason to copy the files to the resolved source if they are already there.
73 if (String.Equals(sourceFullPath, fileLayoutFullPath, StringComparison.OrdinalIgnoreCase))
74 {
75 transfer = null;
76 return false;
77 }
78
79 transfer = new FileTransfer(source, destination, move, type, sourceLineNumbers);
80 return true;
81 }
82
83 private static string GetValidatedFullPath(SourceLineNumber sourceLineNumbers, string path)
84 {
85 string result;
86
87 try
88 {
89 result = Path.GetFullPath(path);
90
91 string filename = Path.GetFileName(result);
92
93 foreach (string reservedName in Common.ReservedFileNames)
94 {
95 if (reservedName.Equals(filename, StringComparison.OrdinalIgnoreCase))
96 {
97 throw new WixException(WixErrors.InvalidFileName(sourceLineNumbers, path));
98 }
99 }
100 }
101 catch (System.ArgumentException)
102 {
103 throw new WixException(WixErrors.InvalidFileName(sourceLineNumbers, path));
104 }
105 catch (System.IO.PathTooLongException)
106 {
107 throw new WixException(WixErrors.PathTooLong(sourceLineNumbers, path));
108 }
109
110 return result;
111 }
112 }
113}