-
Notifications
You must be signed in to change notification settings - Fork 160
/
UriInfo.cs
242 lines (196 loc) · 7.16 KB
/
UriInfo.cs
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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the Apache 2.0 License.
// See the LICENSE file in the project root for more information.
using System;
using System.Linq;
using System.Net;
namespace Steeltoe.Connector.Services;
public class UriInfo
{
private readonly char[] _questionMark = new char[] { '?' };
private readonly char[] _colon = new char[] { ':' };
public UriInfo(string scheme, string host, int port, string username, string password, string path = null, string query = null)
{
Scheme = scheme;
Host = host;
Port = port;
UserName = WebUtility.UrlEncode(username);
Password = WebUtility.UrlEncode(password);
Path = path;
Query = query;
UriString = MakeUri(scheme, host, port, username, password, path, query).ToString();
}
public UriInfo(string uristring)
{
var uri = MakeUri(uristring);
if (uri != null)
{
Scheme = uri.Scheme;
if (Host == null)
{
Host = uri.Host;
}
Port = uri.Port;
Path = GetPath(uri.PathAndQuery);
Query = GetQuery(uri.PathAndQuery);
var userinfo = GetUserInfo(uri.UserInfo);
UserName = userinfo[0];
Password = userinfo[1];
}
UriString = uristring;
}
public UriInfo(string uristring, string username, string password)
{
var uri = MakeUri(uristring);
if (uri != null)
{
Scheme = uri.Scheme;
if (Host == null)
{
Host = uri.Host;
}
Port = uri.Port;
Path = GetPath(uri.PathAndQuery);
Query = GetQuery(uri.PathAndQuery);
}
UserName = WebUtility.UrlEncode(username);
Password = WebUtility.UrlEncode(password);
UriString = uristring;
}
public string Scheme { get; internal protected set; }
public string Host { get; internal protected set; }
public string[] Hosts { get; internal protected set; }
public int Port { get; internal protected set; }
public string UserName { get; internal protected set; }
public string Password { get; internal protected set; }
public string Path { get; internal protected set; }
public string Query { get; internal protected set; }
public string UriString { get; internal protected set; }
public Uri Uri => MakeUri(UriString);
public override string ToString() => UriString;
protected internal Uri MakeUri(string scheme, string host, int port, string username, string password, string path, string query)
{
var cleanedPath = path == null || path.StartsWith("/") ? path : $"/{path}";
cleanedPath = query != null ? cleanedPath + "?" + query : cleanedPath;
if (!string.IsNullOrEmpty(username) && !string.IsNullOrEmpty(password))
{
var builder = new UriBuilder()
{
Scheme = scheme,
Host = host,
Port = port,
UserName = WebUtility.UrlEncode(username),
Password = WebUtility.UrlEncode(password),
Path = cleanedPath
};
return builder.Uri;
}
else
{
var builder = new UriBuilder()
{
Scheme = scheme,
Host = host,
Port = port,
Path = cleanedPath
};
return builder.Uri;
}
}
protected internal Uri MakeUri(string uriString)
{
try
{
if (uriString.StartsWith("jdbc") || uriString.Contains(";"))
{
ConvertJdbcToUri(ref uriString);
}
return new Uri(uriString);
}
catch (Exception)
{
// URI parsing will fail if multiple (comma separated) hosts were provided...
if (uriString.Contains(","))
{
// Slide past the protocol
var splitUri = uriString.Split('/');
// get the host list (and maybe credentials)
// -- pre-emptively set it as the Host property rather than a local variable
// since the connector is likely to expect this format here anyway
var credentialAndHost = splitUri[2];
// skip over credentials if they're present
Host = credentialAndHost.Contains('@') ? credentialAndHost.Split('@')[1] : credentialAndHost;
// add the hosts to a separate property for reconstruction later
Hosts = Host.Split(',');
// swap all the hosts out with a placeholder so we can parse the rest of the info
return new Uri(uriString.Replace(Host, "multipleHostsDetected"));
}
return null;
}
}
protected internal void ConvertJdbcToUri(ref string uriString)
{
uriString = uriString.Replace("jdbc:", string.Empty).Replace(";", "&");
if (!uriString.Contains("?"))
{
var firstAmp = uriString.IndexOf("&");
// If there is an equals sign before any ampersands, it is likely a key was included for the db name.
// Make the database name part of the path rather than query string if possible
var firstEquals = uriString.IndexOf("=");
if (firstEquals > 0 && (firstEquals < firstAmp || firstAmp == -1))
{
var dbnameindex = uriString.IndexOf("databasename=", StringComparison.InvariantCultureIgnoreCase);
if (dbnameindex > 0)
{
uriString = uriString.Remove(dbnameindex, 13);
// recalculate the location of the first '&'
firstAmp = uriString.IndexOf("&");
}
}
if (firstAmp > 0)
{
uriString = uriString.Substring(0, firstAmp) + _questionMark[0] + uriString.Substring(firstAmp + 1, uriString.Length - firstAmp - 1);
}
}
}
protected internal string GetPath(string pathAndQuery)
{
if (string.IsNullOrEmpty(pathAndQuery))
{
return null;
}
var split = pathAndQuery.Split(_questionMark);
if (split.Length == 0)
{
return null;
}
return split[0].Substring(1);
}
protected internal string GetQuery(string pathAndQuery)
{
if (string.IsNullOrEmpty(pathAndQuery))
{
return null;
}
var split = pathAndQuery.Split(_questionMark);
if (split.Length <= 1)
{
return null;
}
return split[1];
}
protected internal string[] GetUserInfo(string userPass)
{
if (string.IsNullOrEmpty(userPass))
{
return new string[2] { null, null };
}
var split = userPass.Split(_colon);
if (split.Length != 2)
{
throw new ArgumentException(
string.Format("Bad user/password in URI: {0}", userPass));
}
return split;
}
}