blob: d5b92673514353c6deadb9247c2eb04de57b0457 (
plain) (
blame)
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
|
/*
* slcl-android, an Android frontend for slcl
* Copyright (C) 2023-2024 Xavier Del Campo Romero
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package org.slcl.core;
import java.io.OutputStream;
import java.io.IOException;
import java.net.URL;
import java.net.URLConnection;
import java.net.HttpURLConnection;
import java.util.List;
import java.util.Map;
import javax.net.ssl.HttpsURLConnection;
public final class Login {
public String login(final boolean https, String url, final String username,
final String password) throws IOException {
if (!url.startsWith("https://") && https) {
url = "https://" + url;
}
else if (!url.startsWith("http://")) {
url = "http://" + url;
}
url += "/login";
final String data = "username=" + username + "&password=" + password;
URL u = new URL(url);
HttpURLConnection c;
if (https) {
c = (HttpsURLConnection)u.openConnection();
}
else {
c = (HttpURLConnection)u.openConnection();
}
c.setRequestMethod("POST");
c.setInstanceFollowRedirects(false);
c.setReadTimeout(5000);
OutputStream os = c.getOutputStream();
os.write(data.getBytes());
final int code = c.getResponseCode();
switch (code)
{
case HttpURLConnection.HTTP_FORBIDDEN:
throw new IOException("Forbidden");
case HttpURLConnection.HTTP_UNAUTHORIZED:
throw new IOException("Unauthorized");
case HttpURLConnection.HTTP_SEE_OTHER:
{
final Map<String,List<String>> headers = c.getHeaderFields();
final List<String> cookies = headers.get("Set-Cookie");
if (cookies != null) {
if (cookies.size() != 1) {
throw new IOException("Expected only 1 cookie");
}
return cookies.toArray(new String[0])[0];
} else {
throw new IOException("No Cookie found");
}
}
default:
throw new IOException("Unexpected HTTP status " + code);
}
}
}
|
