url_windows_test.go

     1  // Copyright 2019 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package web
     6  
     7  var urlTests = []struct {
     8  	url          string
     9  	filePath     string
    10  	canonicalURL string // If empty, assume equal to url.
    11  	wantErr      string
    12  }{
    13  	// Examples from https://blogs.msdn.microsoft.com/ie/2006/12/06/file-uris-in-windows/:
    14  
    15  	{
    16  		url:      `file://laptop/My%20Documents/FileSchemeURIs.doc`,
    17  		filePath: `\\laptop\My Documents\FileSchemeURIs.doc`,
    18  	},
    19  	{
    20  		url:      `file:///C:/Documents%20and%20Settings/davris/FileSchemeURIs.doc`,
    21  		filePath: `C:\Documents and Settings\davris\FileSchemeURIs.doc`,
    22  	},
    23  	{
    24  		url:      `file:///D:/Program%20Files/Viewer/startup.htm`,
    25  		filePath: `D:\Program Files\Viewer\startup.htm`,
    26  	},
    27  	{
    28  		url:          `file:///C:/Program%20Files/Music/Web%20Sys/main.html?REQUEST=RADIO`,
    29  		filePath:     `C:\Program Files\Music\Web Sys\main.html`,
    30  		canonicalURL: `file:///C:/Program%20Files/Music/Web%20Sys/main.html`,
    31  	},
    32  	{
    33  		url:      `file://applib/products/a-b/abc_9/4148.920a/media/start.swf`,
    34  		filePath: `\\applib\products\a-b\abc_9\4148.920a\media\start.swf`,
    35  	},
    36  	{
    37  		url:     `file:////applib/products/a%2Db/abc%5F9/4148.920a/media/start.swf`,
    38  		wantErr: "file URL missing drive letter",
    39  	},
    40  	{
    41  		url:     `C:\Program Files\Music\Web Sys\main.html?REQUEST=RADIO`,
    42  		wantErr: "non-file URL",
    43  	},
    44  
    45  	// The example "file://D:\Program Files\Viewer\startup.htm" errors out in
    46  	// url.Parse, so we substitute a slash-based path for testing instead.
    47  	{
    48  		url:     `file://D:/Program Files/Viewer/startup.htm`,
    49  		wantErr: "file URL encodes volume in host field: too few slashes?",
    50  	},
    51  
    52  	// The blog post discourages the use of non-ASCII characters because they
    53  	// depend on the user's current codepage. However, when we are working with Go
    54  	// strings we assume UTF-8 encoding, and our url package refuses to encode
    55  	// URLs to non-ASCII strings.
    56  	{
    57  		url:          `file:///C:/exampleㄓ.txt`,
    58  		filePath:     `C:\exampleㄓ.txt`,
    59  		canonicalURL: `file:///C:/example%E3%84%93.txt`,
    60  	},
    61  	{
    62  		url:      `file:///C:/example%E3%84%93.txt`,
    63  		filePath: `C:\exampleㄓ.txt`,
    64  	},
    65  
    66  	// Examples from RFC 8089:
    67  
    68  	// We allow the drive-letter variation from section E.2, because it is
    69  	// simpler to support than not to. However, we do not generate the shorter
    70  	// form in the reverse direction.
    71  	{
    72  		url:          `file:c:/path/to/file`,
    73  		filePath:     `c:\path\to\file`,
    74  		canonicalURL: `file:///c:/path/to/file`,
    75  	},
    76  
    77  	// We encode the UNC share name as the authority following section E.3.1,
    78  	// because that is what the Microsoft blog post explicitly recommends.
    79  	{
    80  		url:      `file://host.example.com/Share/path/to/file.txt`,
    81  		filePath: `\\host.example.com\Share\path\to\file.txt`,
    82  	},
    83  
    84  	// We decline the four- and five-slash variations from section E.3.2.
    85  	// The paths in these URLs would change meaning under path.Clean.
    86  	{
    87  		url:     `file:////host.example.com/path/to/file`,
    88  		wantErr: "file URL missing drive letter",
    89  	},
    90  	{
    91  		url:     `file://///host.example.com/path/to/file`,
    92  		wantErr: "file URL missing drive letter",
    93  	},
    94  }
    95
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