|
1 function handleRequest(request, response) |
|
2 { |
|
3 try { |
|
4 reallyHandleRequest(request, response); |
|
5 } catch (e) { |
|
6 response.setStatusLine("1.0", 200, "AlmostOK"); |
|
7 response.write("Error handling request: " + e); |
|
8 } |
|
9 } |
|
10 |
|
11 |
|
12 function reallyHandleRequest(request, response) { |
|
13 var match; |
|
14 var requestAuth = true, requestProxyAuth = true; |
|
15 |
|
16 // Allow the caller to drive how authentication is processed via the query. |
|
17 // Eg, http://localhost:8888/authenticate.sjs?user=foo&realm=bar |
|
18 // The extra ? allows the user/pass/realm checks to succeed if the name is |
|
19 // at the beginning of the query string. |
|
20 var query = "?" + request.queryString; |
|
21 |
|
22 var expected_user = "", expected_pass = "", realm = "mochitest"; |
|
23 var proxy_expected_user = "", proxy_expected_pass = "", proxy_realm = "mochi-proxy"; |
|
24 var huge = false, plugin = false, anonymous = false, formauth = false; |
|
25 var authHeaderCount = 1; |
|
26 // user=xxx |
|
27 match = /[^_]user=([^&]*)/.exec(query); |
|
28 if (match) |
|
29 expected_user = match[1]; |
|
30 |
|
31 // pass=xxx |
|
32 match = /[^_]pass=([^&]*)/.exec(query); |
|
33 if (match) |
|
34 expected_pass = match[1]; |
|
35 |
|
36 // realm=xxx |
|
37 match = /[^_]realm=([^&]*)/.exec(query); |
|
38 if (match) |
|
39 realm = match[1]; |
|
40 |
|
41 // proxy_user=xxx |
|
42 match = /proxy_user=([^&]*)/.exec(query); |
|
43 if (match) |
|
44 proxy_expected_user = match[1]; |
|
45 |
|
46 // proxy_pass=xxx |
|
47 match = /proxy_pass=([^&]*)/.exec(query); |
|
48 if (match) |
|
49 proxy_expected_pass = match[1]; |
|
50 |
|
51 // proxy_realm=xxx |
|
52 match = /proxy_realm=([^&]*)/.exec(query); |
|
53 if (match) |
|
54 proxy_realm = match[1]; |
|
55 |
|
56 // huge=1 |
|
57 match = /huge=1/.exec(query); |
|
58 if (match) |
|
59 huge = true; |
|
60 |
|
61 // plugin=1 |
|
62 match = /plugin=1/.exec(query); |
|
63 if (match) |
|
64 plugin = true; |
|
65 |
|
66 // multiple=1 |
|
67 match = /multiple=([^&]*)/.exec(query); |
|
68 if (match) |
|
69 authHeaderCount = match[1]+0; |
|
70 |
|
71 // anonymous=1 |
|
72 match = /anonymous=1/.exec(query); |
|
73 if (match) |
|
74 anonymous = true; |
|
75 |
|
76 // formauth=1 |
|
77 match = /formauth=1/.exec(query); |
|
78 if (match) |
|
79 formauth = true; |
|
80 |
|
81 // Look for an authentication header, if any, in the request. |
|
82 // |
|
83 // EG: Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ== |
|
84 // |
|
85 // This test only supports Basic auth. The value sent by the client is |
|
86 // "username:password", obscured with base64 encoding. |
|
87 |
|
88 var actual_user = "", actual_pass = "", authHeader, authPresent = false; |
|
89 if (request.hasHeader("Authorization")) { |
|
90 authPresent = true; |
|
91 authHeader = request.getHeader("Authorization"); |
|
92 match = /Basic (.+)/.exec(authHeader); |
|
93 if (match.length != 2) |
|
94 throw "Couldn't parse auth header: " + authHeader; |
|
95 |
|
96 var userpass = base64ToString(match[1]); // no atob() :-( |
|
97 match = /(.*):(.*)/.exec(userpass); |
|
98 if (match.length != 3) |
|
99 throw "Couldn't decode auth header: " + userpass; |
|
100 actual_user = match[1]; |
|
101 actual_pass = match[2]; |
|
102 } |
|
103 |
|
104 var proxy_actual_user = "", proxy_actual_pass = ""; |
|
105 if (request.hasHeader("Proxy-Authorization")) { |
|
106 authHeader = request.getHeader("Proxy-Authorization"); |
|
107 match = /Basic (.+)/.exec(authHeader); |
|
108 if (match.length != 2) |
|
109 throw "Couldn't parse auth header: " + authHeader; |
|
110 |
|
111 var userpass = base64ToString(match[1]); // no atob() :-( |
|
112 match = /(.*):(.*)/.exec(userpass); |
|
113 if (match.length != 3) |
|
114 throw "Couldn't decode auth header: " + userpass; |
|
115 proxy_actual_user = match[1]; |
|
116 proxy_actual_pass = match[2]; |
|
117 } |
|
118 |
|
119 // Don't request authentication if the credentials we got were what we |
|
120 // expected. |
|
121 if (expected_user == actual_user && |
|
122 expected_pass == actual_pass) { |
|
123 requestAuth = false; |
|
124 } |
|
125 if (proxy_expected_user == proxy_actual_user && |
|
126 proxy_expected_pass == proxy_actual_pass) { |
|
127 requestProxyAuth = false; |
|
128 } |
|
129 |
|
130 if (anonymous) { |
|
131 if (authPresent) { |
|
132 response.setStatusLine("1.0", 400, "Unexpected authorization header found"); |
|
133 } else { |
|
134 response.setStatusLine("1.0", 200, "Authorization header not found"); |
|
135 } |
|
136 } else { |
|
137 if (requestProxyAuth) { |
|
138 response.setStatusLine("1.0", 407, "Proxy authentication required"); |
|
139 for (i = 0; i < authHeaderCount; ++i) |
|
140 response.setHeader("Proxy-Authenticate", "basic realm=\"" + proxy_realm + "\"", true); |
|
141 } else if (requestAuth) { |
|
142 if (formauth && authPresent) |
|
143 response.setStatusLine("1.0", 403, "Form authentication required"); |
|
144 else |
|
145 response.setStatusLine("1.0", 401, "Authentication required"); |
|
146 for (i = 0; i < authHeaderCount; ++i) |
|
147 response.setHeader("WWW-Authenticate", "basic realm=\"" + realm + "\"", true); |
|
148 } else { |
|
149 response.setStatusLine("1.0", 200, "OK"); |
|
150 } |
|
151 } |
|
152 |
|
153 response.setHeader("Content-Type", "application/xhtml+xml", false); |
|
154 response.write("<html xmlns='http://www.w3.org/1999/xhtml'>"); |
|
155 response.write("<p>Login: <span id='ok'>" + (requestAuth ? "FAIL" : "PASS") + "</span></p>\n"); |
|
156 response.write("<p>Proxy: <span id='proxy'>" + (requestProxyAuth ? "FAIL" : "PASS") + "</span></p>\n"); |
|
157 response.write("<p>Auth: <span id='auth'>" + authHeader + "</span></p>\n"); |
|
158 response.write("<p>User: <span id='user'>" + actual_user + "</span></p>\n"); |
|
159 response.write("<p>Pass: <span id='pass'>" + actual_pass + "</span></p>\n"); |
|
160 |
|
161 if (huge) { |
|
162 response.write("<div style='display: none'>"); |
|
163 for (i = 0; i < 100000; i++) { |
|
164 response.write("123456789\n"); |
|
165 } |
|
166 response.write("</div>"); |
|
167 response.write("<span id='footnote'>This is a footnote after the huge content fill</span>"); |
|
168 } |
|
169 |
|
170 if (plugin) { |
|
171 response.write("<embed id='embedtest' style='width: 400px; height: 100px;' " + |
|
172 "type='application/x-test'></embed>\n"); |
|
173 } |
|
174 |
|
175 response.write("</html>"); |
|
176 } |
|
177 |
|
178 |
|
179 // base64 decoder |
|
180 // |
|
181 // Yoinked from extensions/xml-rpc/src/nsXmlRpcClient.js because btoa() |
|
182 // doesn't seem to exist. :-( |
|
183 /* Convert Base64 data to a string */ |
|
184 const toBinaryTable = [ |
|
185 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, |
|
186 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, |
|
187 -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63, |
|
188 52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1, |
|
189 -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14, |
|
190 15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1, |
|
191 -1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40, |
|
192 41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1 |
|
193 ]; |
|
194 const base64Pad = '='; |
|
195 |
|
196 function base64ToString(data) { |
|
197 |
|
198 var result = ''; |
|
199 var leftbits = 0; // number of bits decoded, but yet to be appended |
|
200 var leftdata = 0; // bits decoded, but yet to be appended |
|
201 |
|
202 // Convert one by one. |
|
203 for (var i = 0; i < data.length; i++) { |
|
204 var c = toBinaryTable[data.charCodeAt(i) & 0x7f]; |
|
205 var padding = (data[i] == base64Pad); |
|
206 // Skip illegal characters and whitespace |
|
207 if (c == -1) continue; |
|
208 |
|
209 // Collect data into leftdata, update bitcount |
|
210 leftdata = (leftdata << 6) | c; |
|
211 leftbits += 6; |
|
212 |
|
213 // If we have 8 or more bits, append 8 bits to the result |
|
214 if (leftbits >= 8) { |
|
215 leftbits -= 8; |
|
216 // Append if not padding. |
|
217 if (!padding) |
|
218 result += String.fromCharCode((leftdata >> leftbits) & 0xff); |
|
219 leftdata &= (1 << leftbits) - 1; |
|
220 } |
|
221 } |
|
222 |
|
223 // If there are any bits left, the base64 string was corrupted |
|
224 if (leftbits) |
|
225 throw Components.Exception('Corrupted base64 string'); |
|
226 |
|
227 return result; |
|
228 } |