1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
//
// System.Net.CredentialCache
//
// Author:
// Lawrence Pit (loz@cable.a2000.nl)
//
using System;
using System.Collections;
using System.Runtime.Serialization;
namespace System.Net
{
[Serializable]
public class CredentialCache : ICredentials, IEnumerable
{
// Fields
private Hashtable cache;
// Constructors
public CredentialCache ()
{
cache = new Hashtable ();
}
// Properties
[MonoTODO ("Need EnvironmentPermission implementation first")]
public static ICredentials DefaultCredentials {
get {
throw new NotImplementedException ();
}
}
// ICredentials
public NetworkCredential GetCredential (Uri uriPrefix, string authType)
{
int longestPrefix = -1;
NetworkCredential result = null;
if (uriPrefix == null || authType == null)
return null;
string absPath = uriPrefix.AbsolutePath;
absPath = absPath.Substring (0, absPath.LastIndexOf ('/'));
IDictionaryEnumerator e = cache.GetEnumerator ();
while (e.MoveNext ()) {
CredentialCacheKey key = e.Key as CredentialCacheKey;
if (key.Length <= longestPrefix)
continue;
if (String.Compare (key.AuthType, authType, true) != 0)
continue;
Uri cachedUri = key.UriPrefix;
if (cachedUri.Scheme != uriPrefix.Scheme)
continue;
if (cachedUri.Port != uriPrefix.Port)
continue;
if (cachedUri.Host != uriPrefix.Host)
continue;
if (!absPath.StartsWith (key.AbsPath))
continue;
longestPrefix = key.Length;
result = (NetworkCredential) e.Value;
}
return result;
}
// IEnumerable
public IEnumerator GetEnumerator ()
{
return cache.Values.GetEnumerator ();
}
// Methods
public void Add (Uri uriPrefix, string authType, NetworkCredential cred)
{
if (uriPrefix == null)
throw new ArgumentNullException ("uriPrefix");
if (authType == null)
throw new ArgumentNullException ("authType");
// throws ArgumentException when same key already exists.
cache.Add (new CredentialCacheKey (uriPrefix, authType), cred);
}
public void Remove (Uri uriPrefix, string authType)
{
if (uriPrefix == null)
throw new ArgumentNullException ("uriPrefix");
if (authType == null)
throw new ArgumentNullException ("authType");
cache.Remove (new CredentialCacheKey (uriPrefix, authType));
}
// Inner Classes
internal class CredentialCacheKey
{
private Uri uriPrefix;
private string authType;
private string absPath;
private int len;
private int hash;
internal CredentialCacheKey (Uri uriPrefix, string authType)
{
this.uriPrefix = uriPrefix;
this.authType = authType;
this.absPath = uriPrefix.AbsolutePath;
this.absPath = absPath.Substring (0, absPath.LastIndexOf ('/'));
this.len = uriPrefix.AbsoluteUri.Length;
this.hash = uriPrefix.GetHashCode ()
+ authType.ToString ().GetHashCode ();
}
public int Length {
get { return len; }
}
public string AbsPath {
get { return absPath; }
}
public Uri UriPrefix {
get { return uriPrefix; }
}
public string AuthType {
get { return authType; }
}
public override int GetHashCode ()
{
return hash;
}
public override bool Equals (object obj)
{
CredentialCacheKey key = obj as CredentialCacheKey;
return ((key != null) && (this.hash == key.hash));
}
public override string ToString ()
{
return absPath + " : " + authType + " : len=" + len;
}
}
}
}
|
