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
|
function handleRequest(request, response)
{
try {
reallyHandleRequest(request, response);
} catch (e) {
response.setStatusLine("1.0", 200, "AlmostOK");
response.write("Error handling request: " + e);
}
}
function reallyHandleRequest(request, response) {
var match;
var requestAuth = true, requestProxyAuth = true;
// Allow the caller to drive how authentication is processed via the query.
// Eg, http://localhost:8888/authenticate.sjs?user=foo&realm=bar
// The extra ? allows the user/pass/realm checks to succeed if the name is
// at the beginning of the query string.
var query = "?" + request.queryString;
var expected_user = "", expected_pass = "", realm = "mochitest";
var proxy_expected_user = "", proxy_expected_pass = "", proxy_realm = "mochi-proxy";
var huge = false, plugin = false, anonymous = false;
var authHeaderCount = 1;
// user=xxx
match = /[^_]user=([^&]*)/.exec(query);
if (match)
expected_user = match[1];
// pass=xxx
match = /[^_]pass=([^&]*)/.exec(query);
if (match)
expected_pass = match[1];
// realm=xxx
match = /[^_]realm=([^&]*)/.exec(query);
if (match)
realm = match[1];
// proxy_user=xxx
match = /proxy_user=([^&]*)/.exec(query);
if (match)
proxy_expected_user = match[1];
// proxy_pass=xxx
match = /proxy_pass=([^&]*)/.exec(query);
if (match)
proxy_expected_pass = match[1];
// proxy_realm=xxx
match = /proxy_realm=([^&]*)/.exec(query);
if (match)
proxy_realm = match[1];
// huge=1
match = /huge=1/.exec(query);
if (match)
huge = true;
// plugin=1
match = /plugin=1/.exec(query);
if (match)
plugin = true;
// multiple=1
match = /multiple=([^&]*)/.exec(query);
if (match)
authHeaderCount = match[1]+0;
// anonymous=1
match = /anonymous=1/.exec(query);
if (match)
anonymous = true;
// Look for an authentication header, if any, in the request.
//
// EG: Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
//
// This test only supports Basic auth. The value sent by the client is
// "username:password", obscured with base64 encoding.
var actual_user = "", actual_pass = "", authHeader, authPresent = false;
if (request.hasHeader("Authorization")) {
authPresent = true;
authHeader = request.getHeader("Authorization");
match = /Basic (.+)/.exec(authHeader);
if (match.length != 2)
throw "Couldn't parse auth header: " + authHeader;
var userpass = base64ToString(match[1]); // no atob() :-(
match = /(.*):(.*)/.exec(userpass);
if (match.length != 3)
throw "Couldn't decode auth header: " + userpass;
actual_user = match[1];
actual_pass = match[2];
}
var proxy_actual_user = "", proxy_actual_pass = "";
if (request.hasHeader("Proxy-Authorization")) {
authHeader = request.getHeader("Proxy-Authorization");
match = /Basic (.+)/.exec(authHeader);
if (match.length != 2)
throw "Couldn't parse auth header: " + authHeader;
var userpass = base64ToString(match[1]); // no atob() :-(
match = /(.*):(.*)/.exec(userpass);
if (match.length != 3)
throw "Couldn't decode auth header: " + userpass;
proxy_actual_user = match[1];
proxy_actual_pass = match[2];
}
// Don't request authentication if the credentials we got were what we
// expected.
if (expected_user == actual_user &&
expected_pass == actual_pass) {
requestAuth = false;
}
if (proxy_expected_user == proxy_actual_user &&
proxy_expected_pass == proxy_actual_pass) {
requestProxyAuth = false;
}
if (anonymous) {
if (authPresent) {
response.setStatusLine("1.0", 400, "Unexpected authorization header found");
} else {
response.setStatusLine("1.0", 200, "Authorization header not found");
}
} else {
if (requestProxyAuth) {
response.setStatusLine("1.0", 407, "Proxy authentication required");
for (i = 0; i < authHeaderCount; ++i)
response.setHeader("Proxy-Authenticate", "basic realm=\"" + proxy_realm + "\"", true);
} else if (requestAuth) {
response.setStatusLine("1.0", 401, "Authentication required");
for (i = 0; i < authHeaderCount; ++i)
response.setHeader("WWW-Authenticate", "basic realm=\"" + realm + "\"", true);
} else {
response.setStatusLine("1.0", 200, "OK");
}
}
response.setHeader("Content-Type", "application/xhtml+xml", false);
response.write("<html xmlns='http://www.w3.org/1999/xhtml'>");
response.write("<p>Login: <span id='ok'>" + (requestAuth ? "FAIL" : "PASS") + "</span></p>\n");
response.write("<p>Proxy: <span id='proxy'>" + (requestProxyAuth ? "FAIL" : "PASS") + "</span></p>\n");
response.write("<p>Auth: <span id='auth'>" + authHeader + "</span></p>\n");
response.write("<p>User: <span id='user'>" + actual_user + "</span></p>\n");
response.write("<p>Pass: <span id='pass'>" + actual_pass + "</span></p>\n");
if (huge) {
response.write("<div style='display: none'>");
for (i = 0; i < 100000; i++) {
response.write("123456789\n");
}
response.write("</div>");
response.write("<span id='footnote'>This is a footnote after the huge content fill</span>");
}
if (plugin) {
response.write("<embed id='embedtest' style='width: 400px; height: 100px;' " +
"type='application/x-test'></embed>\n");
}
response.write("</html>");
}
// base64 decoder
//
// Yoinked from extensions/xml-rpc/src/nsXmlRpcClient.js because btoa()
// doesn't seem to exist. :-(
/* Convert Base64 data to a string */
const toBinaryTable = [
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1,
-1, 0, 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,-1, -1,-1,-1,-1,
-1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
];
const base64Pad = '=';
function base64ToString(data) {
var result = '';
var leftbits = 0; // number of bits decoded, but yet to be appended
var leftdata = 0; // bits decoded, but yet to be appended
// Convert one by one.
for (var i = 0; i < data.length; i++) {
var c = toBinaryTable[data.charCodeAt(i) & 0x7f];
var padding = (data[i] == base64Pad);
// Skip illegal characters and whitespace
if (c == -1) continue;
// Collect data into leftdata, update bitcount
leftdata = (leftdata << 6) | c;
leftbits += 6;
// If we have 8 or more bits, append 8 bits to the result
if (leftbits >= 8) {
leftbits -= 8;
// Append if not padding.
if (!padding)
result += String.fromCharCode((leftdata >> leftbits) & 0xff);
leftdata &= (1 << leftbits) - 1;
}
}
// If there are any bits left, the base64 string was corrupted
if (leftbits)
throw Components.Exception('Corrupted base64 string');
return result;
}
|
