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/**
* 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.
*/
import("sessions");
import("stringutils.randomHash");
import("funhtml.*");
import("etherpad.log");
import("etherpad.globals.*");
import("etherpad.pro.pro_utils");
import("etherpad.utils.*");
import("cache_utils.syncedWithCache");
jimport("java.lang.System.out.println");
var _TRACKING_COOKIE_NAME = "ET";
var _SESSION_COOKIE_NAME = "ES";
function _updateInitialReferrer(data) {
if (data.initialReferer) {
return;
}
var ref = request.headers["Referer"];
if (!ref) {
return;
}
if (ref.indexOf('http://'+request.host) == 0) {
return;
}
if (ref.indexOf('https://'+request.host) == 0) {
return;
}
data.initialReferer = ref;
log.custom("referers", {referer: ref});
}
function _getScopedDomain(subDomain) {
var d = request.domain;
if (d.indexOf(".") == -1) {
// special case for "localhost". For some reason, firefox does not like cookie domains
// to be ".localhost".
return undefined;
}
if (subDomain) {
d = subDomain + "." + d;
}
return "." + d;
}
//--------------------------------------------------------------------------------
// pass in subDomain to get the session data for a particular subdomain --
// intended for debugging.
function getSession(subDomain) {
var sessionData = sessions.getSession({
cookieName: _SESSION_COOKIE_NAME,
domain: _getScopedDomain(subDomain)
});
_updateInitialReferrer(sessionData);
return sessionData;
}
function getSessionId() {
return sessions.getSessionId(_SESSION_COOKIE_NAME, false, _getScopedDomain());
}
function _getGlobalSessionId() {
return (request.isDefined && request.cookies[_SESSION_COOKIE_NAME]) || null;
}
function isAnEtherpadAdmin() {
var sessionId = _getGlobalSessionId();
if (! sessionId) {
return false;
}
return syncedWithCache("isAnEtherpadAdmin", function(c) {
return !! c[sessionId];
});
}
function setIsAnEtherpadAdmin(v) {
var sessionId = _getGlobalSessionId();
if (! sessionId) {
return;
}
syncedWithCache("isAnEtherpadAdmin", function(c) {
if (v) {
c[sessionId] = true;
}
else {
delete c[sessionId];
}
});
}
//--------------------------------------------------------------------------------
function setTrackingCookie() {
if (request.cookies[_TRACKING_COOKIE_NAME]) {
return;
}
var trackingVal = randomHash(16);
var expires = new Date(32503708800000); // year 3000
response.setCookie({
name: _TRACKING_COOKIE_NAME,
value: trackingVal,
path: "/",
domain: _getScopedDomain(),
expires: expires
});
}
function getTrackingId() {
// returns '-' if no tracking ID (caller can assume)
return (request.cookies[_TRACKING_COOKIE_NAME] || response.getCookie(_TRACKING_COOKIE_NAME) || '-');
}
//--------------------------------------------------------------------------------
function preRequestCookieCheck() {
if (isStaticRequest()) {
return;
}
// If this function completes without redirecting, then it means
// there is a valid session cookie and tracking cookie.
if (request.cookies[_SESSION_COOKIE_NAME] &&
request.cookies[_TRACKING_COOKIE_NAME]) {
if (request.params.cookieShouldBeSet) {
response.redirect(qpath({cookieShouldBeSet: null}));
}
return;
}
// Only superdomains can set cookies.
var isSuperdomain = SUPERDOMAINS[request.domain];
if (isSuperdomain) {
// superdomain without cookies
getSession();
setTrackingCookie();
// check if we need to redirect back to a subdomain.
if ((request.path == "/") &&
(request.params.setCookie) &&
(request.params.contUrl)) {
var contUrl = request.params.contUrl;
if (contUrl.indexOf("?") == -1) {
contUrl += "?";
}
contUrl += "&cookieShouldBeSet=1";
response.redirect(contUrl);
}
} else {
var parts = request.domain.split(".");
if (parts.length < 3) {
// invalid superdomain
response.write("invalid superdomain");
response.stop();
}
// subdomain without cookies
if (request.params.cookieShouldBeSet) {
log.warn("Cookie failure!");
renderFramedHtml(DIV({style: "border: 1px solid #ccc; padding: 1em; width: 600px; margin: 1em auto; font-size: 1.4em;"},
P("Please enable cookies in your browser in order to access this site."),
BR(),
P(A({href: "/"}, "Continue"))));
response.stop();
} else {
var contUrl = request.url;
var p = request.host.split(':')[1];
p = (p ? (":"+p) : "");
response.redirect(request.scheme+"://"+pro_utils.getRequestSuperdomain()+p+
"/?setCookie=1&contUrl="+encodeURIComponent(contUrl));
}
}
}
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