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
|
/**
* Copyright 2009 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.etherpad;
import net.appjet.oui.{Encryptomatic, config};
import net.appjet.common.util.BetterFile;
import java.io.{FileInputStream, FileOutputStream, ByteArrayInputStream, ByteArrayOutputStream, PrintWriter}
import java.security._;
import java.security.spec._;
object Licensing {
val publicKey = "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";
val pkhash = "f7a3dd5940a3f79904b81e4d32a08e2efaa0b2ab";
val keyVersion = 2.toByte;
def thanksForStealingFromPoorHackersTryingToEkeAMeagerLivingFromThisCruelWorld =
Encryptomatic.bytesToAscii(MessageDigest.getInstance("SHA1").digest(publicKey.getBytes())) == pkhash;
def sha1(b: Array[Byte]): String = Encryptomatic.bytesToAscii(MessageDigest.getInstance("SHA1").digest(b));
def sha1(s: String): String = sha1(s.getBytes("UTF-8"));
def toBytes(i: Int): Array[Byte] =
Array((i >> 24).toByte,
(i >> 16).toByte,
(i >> 8).toByte,
i.toByte);
def toByte(i: Int): Array[Byte] =
Array(i.toByte);
def toBytes(l: Long): Array[Byte] =
Array((l >> 56).toByte,
(l >> 48).toByte,
(l >> 40).toByte,
(l >> 32).toByte,
(l >> 24).toByte,
(l >> 16).toByte,
(l >> 8).toByte,
l.toByte);
def toInt(b0: Array[Byte]): Int = {
val b = b0.map(_.toInt & 0x00FF);
(b(0) << 24) | (b(1) << 16) | (b(2) << 8) | b(3);
}
def toInt(b: Byte): Int = b.toInt & 0x00FF;
def toLong(b0: Array[Byte]): Long = {
val b = b0.map(_.toLong & 0x000000FF);
(b(0) << 56) | (b(1) << 48) | (b(2) << 40) | (b(3) << 32) | (b(4) << 24) | (b(5) << 16) | (b(6) << 8) | b(7);
}
def generateKey(personName: String, organizationName: String, expiresDate: Long, editionId: Int, userQuota: Int, majorVersion: Int, minorVersion: Int, patchVersion: Int) = {
if (config.licenseGeneratorKey == null) {
throw new RuntimeException("No private key available to generate license key.");
}
def privateKey = Encryptomatic.readPrivateKey("DSA", new FileInputStream(config.licenseGeneratorKey));
def clean(s: String) = s.replaceAll(":", "-");
val keyPrefix =
List(personName, organizationName, expiresDate.toString, editionId.toString, userQuota.toString, majorVersion.toString, minorVersion.toString, patchVersion.toString).map(clean).mkString(":");
val sig = Encryptomatic.sign(new ByteArrayInputStream(keyPrefix.getBytes("UTF-8")), privateKey)
List(personName, organizationName).mkString(":") + ":" +
Encryptomatic.bytesToAscii(
Array.concat[Byte](Array(keyVersion), // don't want BigInt dropping bytes, that'd be sad. :(
toBytes(expiresDate),
toBytes(editionId),
toBytes(userQuota),
toByte(majorVersion),
toByte(minorVersion),
toByte(patchVersion),
sig));
}
def decodeKey(key: String) = try {
val Array(personName0, organizationName0, sigAndInfo) = key.split(":");
val sigAndInfoBytes = Encryptomatic.asciiToBytes(sigAndInfo);
val thisKeyVersion = toInt(sigAndInfoBytes(0));
val expiresDate0 = toLong(sigAndInfoBytes.slice(1, 9));
val editionId0 = toInt(sigAndInfoBytes.slice(9, 13));
val userQuota0 = toInt(sigAndInfoBytes.slice(13, 17));
val (majorVersion0, minorVersion0, patchVersion0) =
if (thisKeyVersion >= 2) {
(toInt(sigAndInfoBytes(17)), toInt(sigAndInfoBytes(18)), toInt(sigAndInfoBytes(19)));
} else {
(0, 0, 0);
}
val sig = sigAndInfoBytes.drop(if (thisKeyVersion >= 2) 20 else 17);
val keyPrefix = {
var a = Seq(personName0, organizationName0, expiresDate0.toString, editionId0.toString, userQuota0.toString);
if (thisKeyVersion >= 2) {
a = a ++ Seq(majorVersion0.toString, minorVersion0.toString, patchVersion0.toString);
}
a.mkString(":");
}
if (! Encryptomatic.verify(new ByteArrayInputStream(keyPrefix.getBytes("UTF-8")),
Encryptomatic.readPublicKey("DSA",
new ByteArrayInputStream(publicKey.getBytes())), sig)) {
null;
} else {
new {
def personName = personName0;
def organizationName = organizationName0;
def expiresDate = expiresDate0;
def editionId = editionId0;
def userQuota = userQuota0;
def majorVersion = majorVersion0;
def minorVersion = minorVersion0;
def patchVersion = patchVersion0;
}
}
} catch {
case e => null;
}
def main(args: Array[String]) {
args(0) match {
case "genkeypair" => {
println("Generating keypair...");
Encryptomatic.writeKeyPair(Encryptomatic.generateKeyPair("DSA"), args(1), args(2));
println("Done.");
}
case "genmainkey" => {
println("Generating key for pad.spline.inf.fu-berlin.de...");
config.values("licenseGeneratorKey") = args(1);
val out = new PrintWriter(new FileOutputStream(args(2)));
out.print(generateKey("etherpad", "AppJet", -1, 0, -1, 0, 0, 0))
out.close();
println("Done.");
}
case "test" => {
println("Testing key generation.");
config.values("licenseGeneratorKey") = args(1);
val key = generateKey("Foo Bar", "Baz, Inc.", System.currentTimeMillis() + 86400*1000, 0, 100, 1, 2, 3);
println("Key is: "+key);
val obj = decodeKey(key);
println(List(obj.personName, obj.organizationName, obj.expiresDate, obj.editionId, obj.userQuota, obj.majorVersion, obj.minorVersion, obj.patchVersion).mkString(", "));
}
case "parsekey" => {
println("Testing key decode.");
val obj = decodeKey(args(1));
println("Key: "+List(obj.personName, obj.organizationName, obj.expiresDate, obj.editionId, obj.userQuota, obj.majorVersion, obj.minorVersion, obj.patchVersion).mkString(", "));
}
case "testascii" => {
val one = 17;
val two = -1L;
val three = (Math.random*Math.pow(10, (Math.random*10).toInt)).toInt;
println(List(one, two, three).mkString(", "));
println(List(toInt(toBytes(one)), toLong(toBytes(two)), toInt(toBytes(three))).mkString(", "));
val bytes = Encryptomatic.asciiToBytes(Encryptomatic.bytesToAscii(Array.concat[Byte](Array(1.toByte), toBytes(one), toBytes(two), toBytes(three))));
println("I can has bytes: "+bytes.length);
println(List(toInt(bytes.slice(1, 5)), toLong(bytes.slice(5, 13)), toInt(bytes.slice(13, 17))).mkString(", "));
}
}
}
}
|
