mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
229 lines
7.2 KiB
JavaScript
229 lines
7.2 KiB
JavaScript
function handleRequest(request, response)
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{
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try {
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reallyHandleRequest(request, response);
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} catch (e) {
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response.setStatusLine("1.0", 200, "AlmostOK");
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response.write("Error handling request: " + e);
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}
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}
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function reallyHandleRequest(request, response) {
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var match;
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var requestAuth = true, requestProxyAuth = true;
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// Allow the caller to drive how authentication is processed via the query.
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// Eg, http://localhost:8888/authenticate.sjs?user=foo&realm=bar
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// The extra ? allows the user/pass/realm checks to succeed if the name is
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// at the beginning of the query string.
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var query = "?" + request.queryString;
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var expected_user = "", expected_pass = "", realm = "mochitest";
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var proxy_expected_user = "", proxy_expected_pass = "", proxy_realm = "mochi-proxy";
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var huge = false, plugin = false, anonymous = false, formauth = false;
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var authHeaderCount = 1;
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// user=xxx
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match = /[^_]user=([^&]*)/.exec(query);
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if (match)
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expected_user = match[1];
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// pass=xxx
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match = /[^_]pass=([^&]*)/.exec(query);
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if (match)
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expected_pass = match[1];
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// realm=xxx
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match = /[^_]realm=([^&]*)/.exec(query);
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if (match)
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realm = match[1];
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// proxy_user=xxx
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match = /proxy_user=([^&]*)/.exec(query);
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if (match)
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proxy_expected_user = match[1];
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// proxy_pass=xxx
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match = /proxy_pass=([^&]*)/.exec(query);
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if (match)
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proxy_expected_pass = match[1];
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// proxy_realm=xxx
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match = /proxy_realm=([^&]*)/.exec(query);
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if (match)
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proxy_realm = match[1];
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// huge=1
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match = /huge=1/.exec(query);
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if (match)
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huge = true;
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// plugin=1
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match = /plugin=1/.exec(query);
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if (match)
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plugin = true;
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// multiple=1
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match = /multiple=([^&]*)/.exec(query);
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if (match)
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authHeaderCount = match[1]+0;
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// anonymous=1
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match = /anonymous=1/.exec(query);
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if (match)
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anonymous = true;
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// formauth=1
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match = /formauth=1/.exec(query);
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if (match)
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formauth = true;
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// Look for an authentication header, if any, in the request.
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//
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// EG: Authorization: Basic QWxhZGRpbjpvcGVuIHNlc2FtZQ==
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//
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// This test only supports Basic auth. The value sent by the client is
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// "username:password", obscured with base64 encoding.
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var actual_user = "", actual_pass = "", authHeader, authPresent = false;
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if (request.hasHeader("Authorization")) {
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authPresent = true;
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authHeader = request.getHeader("Authorization");
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match = /Basic (.+)/.exec(authHeader);
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if (match.length != 2)
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throw "Couldn't parse auth header: " + authHeader;
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var userpass = base64ToString(match[1]); // no atob() :-(
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match = /(.*):(.*)/.exec(userpass);
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if (match.length != 3)
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throw "Couldn't decode auth header: " + userpass;
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actual_user = match[1];
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actual_pass = match[2];
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}
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var proxy_actual_user = "", proxy_actual_pass = "";
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if (request.hasHeader("Proxy-Authorization")) {
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authHeader = request.getHeader("Proxy-Authorization");
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match = /Basic (.+)/.exec(authHeader);
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if (match.length != 2)
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throw "Couldn't parse auth header: " + authHeader;
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var userpass = base64ToString(match[1]); // no atob() :-(
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match = /(.*):(.*)/.exec(userpass);
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if (match.length != 3)
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throw "Couldn't decode auth header: " + userpass;
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proxy_actual_user = match[1];
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proxy_actual_pass = match[2];
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}
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// Don't request authentication if the credentials we got were what we
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// expected.
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if (expected_user == actual_user &&
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expected_pass == actual_pass) {
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requestAuth = false;
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}
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if (proxy_expected_user == proxy_actual_user &&
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proxy_expected_pass == proxy_actual_pass) {
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requestProxyAuth = false;
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}
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if (anonymous) {
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if (authPresent) {
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response.setStatusLine("1.0", 400, "Unexpected authorization header found");
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} else {
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response.setStatusLine("1.0", 200, "Authorization header not found");
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}
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} else {
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if (requestProxyAuth) {
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response.setStatusLine("1.0", 407, "Proxy authentication required");
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for (i = 0; i < authHeaderCount; ++i)
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response.setHeader("Proxy-Authenticate", "basic realm=\"" + proxy_realm + "\"", true);
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} else if (requestAuth) {
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if (formauth && authPresent)
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response.setStatusLine("1.0", 403, "Form authentication required");
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else
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response.setStatusLine("1.0", 401, "Authentication required");
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for (i = 0; i < authHeaderCount; ++i)
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response.setHeader("WWW-Authenticate", "basic realm=\"" + realm + "\"", true);
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} else {
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response.setStatusLine("1.0", 200, "OK");
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}
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}
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response.setHeader("Content-Type", "application/xhtml+xml", false);
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response.write("<html xmlns='http://www.w3.org/1999/xhtml'>");
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response.write("<p>Login: <span id='ok'>" + (requestAuth ? "FAIL" : "PASS") + "</span></p>\n");
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response.write("<p>Proxy: <span id='proxy'>" + (requestProxyAuth ? "FAIL" : "PASS") + "</span></p>\n");
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response.write("<p>Auth: <span id='auth'>" + authHeader + "</span></p>\n");
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response.write("<p>User: <span id='user'>" + actual_user + "</span></p>\n");
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response.write("<p>Pass: <span id='pass'>" + actual_pass + "</span></p>\n");
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if (huge) {
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response.write("<div style='display: none'>");
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for (i = 0; i < 100000; i++) {
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response.write("123456789\n");
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}
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response.write("</div>");
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response.write("<span id='footnote'>This is a footnote after the huge content fill</span>");
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}
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if (plugin) {
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response.write("<embed id='embedtest' style='width: 400px; height: 100px;' " +
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"type='application/x-test'></embed>\n");
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}
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response.write("</html>");
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}
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// base64 decoder
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//
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// Yoinked from extensions/xml-rpc/src/nsXmlRpcClient.js because btoa()
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// doesn't seem to exist. :-(
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/* Convert Base64 data to a string */
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const toBinaryTable = [
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-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
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-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,-1,
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-1,-1,-1,-1, -1,-1,-1,-1, -1,-1,-1,62, -1,-1,-1,63,
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52,53,54,55, 56,57,58,59, 60,61,-1,-1, -1, 0,-1,-1,
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-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,10, 11,12,13,14,
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15,16,17,18, 19,20,21,22, 23,24,25,-1, -1,-1,-1,-1,
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-1,26,27,28, 29,30,31,32, 33,34,35,36, 37,38,39,40,
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41,42,43,44, 45,46,47,48, 49,50,51,-1, -1,-1,-1,-1
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];
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const base64Pad = '=';
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function base64ToString(data) {
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var result = '';
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var leftbits = 0; // number of bits decoded, but yet to be appended
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var leftdata = 0; // bits decoded, but yet to be appended
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// Convert one by one.
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for (var i = 0; i < data.length; i++) {
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var c = toBinaryTable[data.charCodeAt(i) & 0x7f];
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var padding = (data[i] == base64Pad);
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// Skip illegal characters and whitespace
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if (c == -1) continue;
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// Collect data into leftdata, update bitcount
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leftdata = (leftdata << 6) | c;
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leftbits += 6;
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// If we have 8 or more bits, append 8 bits to the result
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if (leftbits >= 8) {
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leftbits -= 8;
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// Append if not padding.
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if (!padding)
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result += String.fromCharCode((leftdata >> leftbits) & 0xff);
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leftdata &= (1 << leftbits) - 1;
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}
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}
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// If there are any bits left, the base64 string was corrupted
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if (leftbits)
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throw Components.Exception('Corrupted base64 string');
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return result;
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}
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