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
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;
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;
// multiple=1
match = /multiple=([^&]*)/.exec(query);
if (match)
authHeaderCount = match[1]+0;
// 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;
if (request.hasHeader("Authorization")) {
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 (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("");
response.write("Login: " + (requestAuth ? "FAIL" : "PASS") + "
\n");
response.write("Proxy: " + (requestProxyAuth ? "FAIL" : "PASS") + "
\n");
response.write("Auth: " + authHeader + "
\n");
response.write("User: " + actual_user + "
\n");
response.write("Pass: " + actual_pass + "
\n");
if (huge) {
response.write("");
for (i = 0; i < 100000; i++) {
response.write("123456789\n");
}
response.write("
");
response.write("");
}
response.write("");
}
// 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;
}