//this.from = from;

this.to = to;

this.from_c = new RegExp(from);

this.host = host;

this.host_c = new RegExp(host);

this.name = cookiename;

this.name_c = new RegExp(cookiename);

this.name = set_name;

if (match_rule)

this.ruleset_match_c = new RegExp(match_rule);

else

this.ruleset_match_c = null;

this.rules = [];

this.exclusions = [];

this.targets = [];

this.cookierules = [];

this.active = default_state;

this.default_state = default_state;

this.note = note;

var returl = null;

// If we're covered by an exclusion, go home

for(var i = 0; i < this.exclusions.length; ++i) {

if (this.exclusions[i].pattern_c.test(urispec)) {

log(DBUG,"excluded uri " + urispec);

return null;

}

}

// If a rulset has a match_rule and it fails, go no further

if (this.ruleset_match_c && !this.ruleset_match_c.test(urispec)) {

log(VERB, "ruleset_match_c excluded " + urispec);

return null;

}

// Okay, now find the first rule that triggers

for(var i = 0; i < this.rules.length; ++i) {

returl = urispec.replace(this.rules[i].from_c,

this.rules[i].to);

if (returl != urispec) {

return returl;

}

}

if (this.ruleset_match_c) {

// This is not an error, because we do not insist the matchrule

// precisely describes to target space of URLs ot redirected

log(DBUG,"Ruleset "+this.name

+" had an applicable match-rule but no matching rules");

}

return null;

// Load rules into structure

var t1 = new Date().getTime();

this.targets = {};

for(var i = 0; i < rule_list.length; i++) {

var xhr = new XMLHttpRequest();

// Use blocking XHR to ensure everything is loaded by the time

// we return.

//var that = this;

//xhr.onreadystatechange = function() { that.loadRuleSet(xhr); }

xhr.open("GET", chrome.extension.getURL(rule_list[i]), false);

//xhr.open("GET", chrome.extension.getURL(rule_list[i]), true);

xhr.send(null);

this.loadRuleSet(xhr);

}

var t2 = new Date().getTime();

log(NOTE,"Loading rulesets took " + (t2 - t1) / 1000.0 + " seconds");

// Get file contents

if (xhr.readyState != 4) {

return;

}

// XXX: Validation + error checking

var sets = xhr.responseXML.getElementsByTagName("ruleset");

for (var i = 0; i < sets.length; ++i) {

this.parseOneRuleset(sets[i]);

}

log(INFO, 'adding new user rule for ' + JSON.stringify(params));

var new_rule_set = new RuleSet(params.host, null, true, "user rule");

var new_rule = new Rule(params.urlMatcher, params.redirectTo);

new_rule_set.rules.push(new_rule);

if (!(params.host in this.targets)) {

this.targets[params.host] = [];

}

ruleCache.remove(params.host);

// TODO: maybe promote this rule?

this.targets[params.host].push(new_rule_set);

log(INFO, 'done adding rule');

return true;

var default_state = true;

var note = "";

if (ruletag.attributes.default_off) {

default_state = false;

note += ruletag.attributes.default_off.value + "\n";

}

// If a ruleset declares a platform, and we don't match it, treat it as

// off-by-default

var platform = ruletag.getAttribute("platform");

if (platform) {

if (platform.search(this.localPlatformRegexp) == -1) {

default_state = false;

}

note += "Platform(s): " + platform + "\n";

}

var rule_set = new RuleSet(ruletag.getAttribute("name"),

ruletag.getAttribute("match_rule"),

default_state,

note.trim());

// Read user prefs

if (rule_set.name in localStorage) {

rule_set.active = (localStorage[rule_set.name] == "true");

}

var rules = ruletag.getElementsByTagName("rule");

for(var j = 0; j < rules.length; j++) {

rule_set.rules.push(new Rule(rules[j].getAttribute("from"),

rules[j].getAttribute("to")));

}

var exclusions = ruletag.getElementsByTagName("exclusion");

for(var j = 0; j < exclusions.length; j++) {

rule_set.exclusions.push(

new Exclusion(exclusions[j].getAttribute("pattern")));

}

var cookierules = ruletag.getElementsByTagName("securecookie");

for(var j = 0; j < cookierules.length; j++) {

rule_set.cookierules.push(new CookieRule(cookierules[j].getAttribute("host"),

cookierules[j].getAttribute("name")));

}

var targets = ruletag.getElementsByTagName("target");

for(var j = 0; j < targets.length; j++) {

var host = targets[j].getAttribute("host");

if (!(host in this.targets)) {

this.targets[host] = [];

}

this.targets[host].push(rule_set);

}

// Insert any elements from fromList into intoList, if they are not

// already there. fromList may be null.

if (!fromList) return;

for (var i = 0; i < fromList.length; i++)

if (intoList.indexOf(fromList[i]) == -1)

intoList.push(fromList[i]);

// Return a list of rulesets that apply to this host

// Have we cached this result? If so, return it!

var cached_item = ruleCache.get(host);

if (cached_item !== undefined) {

log(DBUG, "Ruleset cache hit for " + host);

return cached_item;

}

log(DBUG, "Ruleset cache miss for " + host);

var tmp;

var results = [];

if (this.targets[host]) {

// Copy the host targets so we don't modify them.

results = this.targets[host].slice();

}

// Replace each portion of the domain with a * in turn

var segmented = host.split(".");

for (var i = 0; i < segmented.length; ++i) {

tmp = segmented[i];

segmented[i] = "*";

this.setInsert(results, this.targets[segmented.join(".")]);

segmented[i] = tmp;

}

// now eat away from the left, with *, so that for x.y.z.google.com we

// check *.z.google.com and *.google.com (we did *.y.z.google.com above)

for (var i = 2; i <= segmented.length - 2; ++i) {

t = "*." + segmented.slice(i,segmented.length).join(".");

this.setInsert(results, this.targets[t]);

}

log(DBUG,"Applicable rules for " + host + ":");

if (results.length == 0)

log(DBUG, " None");

else

for (var i = 0; i < results.length; ++i)

log(DBUG, " " + results[i].name);

// Insert results into the ruleset cache

ruleCache.set(host, results);

return results;

// Check to see if the Cookie object c meets any of our cookierule citeria

// for being marked as secure. knownHttps is true if the context for this

// cookie being set is known to be https.

//log(DBUG, "Testing cookie:");

//log(DBUG, " name: " + cookie.name);

//log(DBUG, " host: " + cookie.host);

//log(DBUG, " domain: " + cookie.domain);

//log(DBUG, " rawhost: " + cookie.rawHost);

var hostname = cookie.domain;

// cookie domain scopes can start with .

while (hostname.charAt(0) == ".")

hostname = hostname.slice(1);

if (!knownHttps && !this.safeToSecureCookie(hostname)) {

return null;

}

var rs = this.potentiallyApplicableRulesets(hostname);

for (var i = 0; i < rs.length; ++i) {

var ruleset = rs[i];

if (ruleset.active) {

for (var j = 0; j < ruleset.cookierules.length; j++) {

var cr = ruleset.cookierules[j];

if (cr.host_c.test(cookie.domain) && cr.name_c.test(cookie.name)) {

return ruleset;

}

//log(WARN, "no match domain " + cr.host_c.test(cookie.domain) +

// " name " + cr.name_c.test(cookie.name));

//log(WARN, "with " + cookie.domain + " " + cookie.name);

//log(WARN, "and " + cr.host + " " + cr.name);

}

}

}

return null;

// Check if the domain might be being served over HTTP. If so, it isn't

// safe to secure a cookie! We can't always know this for sure because

// observing cookie-changed doesn't give us enough context to know the

// full origin URI.

// First, if there are any redirect loops on this domain, don't secure

// cookies. XXX This is not a very satisfactory heuristic. Sometimes we

// would want to secure the cookie anyway, because the URLs that loop are

// not authenticated or not important. Also by the time the loop has been

// observed and the domain blacklisted, a cookie might already have been

// flagged as secure.

if (domain in domainBlacklist) {

log(INFO, "cookies for " + domain + "blacklisted");

return false;

}

var cached_item = cookieHostCache.get(domain);

if (cached_item !== undefined) {

log(DBUG, "Cookie host cache hit for " + domain);

return cached_item;

}

log(DBUG, "Cookie host cache miss for " + domain);

// If we passed that test, make up a random URL on the domain, and see if

// we would HTTPSify that.

try {

var nonce_path = "/" + Math.random().toString();

nonce_path = nonce_path + nonce_path;

var test_uri = "http://" + domain + nonce_path;

} catch (e) {

log(WARN, "explosion in safeToSecureCookie for " + domain + "\n"

+ "(" + e + ")");

cookieHostCache.set(domain, false);

return false;

}

log(INFO, "Testing securecookie applicability with " + test_uri);

var rs = this.potentiallyApplicableRulesets(domain);

for (var i = 0; i < rs.length; ++i) {

if (!rs[i].active) continue;

var rewrite = rs[i].apply(test_uri);

if (rewrite) {

log(INFO, "Cookie domain could be secured: " + rewrite);

cookieHostCache.set(domain, true);

return true;

}

}

log(INFO, "Cookie domain could NOT be secured.");

cookieHostCache.set(domain, false);

return false;

var newuri = null;

var rs = this.potentiallyApplicableRulesets(host);

for(var i = 0; i < rs.length; ++i) {

if (rs[i].active && (newuri = rs[i].apply(urispec)))

return newuri;

}

return null;