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Style update and compatibility update
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@meh
meh committed Oct 9, 2011
1 parent 82ca571 commit d2cfc6d
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Showing 2 changed files with 118 additions and 126 deletions.
236 changes: 114 additions & 122 deletions components/do.js
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Expand Up @@ -10,129 +10,121 @@
* 0. You just DO WHAT THE FUCK YOU WANT TO.
*********************************************************************/


function SmartRefererSpoofer () { }

SmartRefererSpoofer.prototype = (function () {
var Observer = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
var NetworkIO = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
var ScriptSecurityManager = Components.classes["@mozilla.org/scriptsecuritymanager;1"].getService(Components.interfaces.nsIScriptSecurityManager);
var EffectiveTLDService = Components.classes["@mozilla.org/network/effective-tld-service;1"].getService(Components.interfaces.nsIEffectiveTLDService);

var Interfaces = {
Channel: Components.interfaces.nsIChannel,
HTTPChannel: Components.interfaces.nsIHttpChannel,
Supports: Components.interfaces.nsISupports,
Observer: Components.interfaces.nsIObserver,
SupportsWeakReference: Components.interfaces.nsISupportsWeakReference
};

function log (what) {
what = what.toString();

dump(what);
dump("\n");
}

function modify (http) {
try {
http.QueryInterface(Interfaces.Channel);

var referer = NetworkIO.newURI(http.getRequestHeader("Referer"), null, null);
}
catch (e) {
return false;
}

try {
var [fromURI, toURI] = [http.URI.clone(), referer.clone()];

try {
var isIP = false;

EffectiveTLDService.getPublicSuffix(fromURI);
EffectiveTLDService.getPublicSuffix(toURI);
}
catch (e) {
if (e == NS_ERROR_HOST_IS_IP_ADDRESS) {
isIP = true;
}
}

if (!isIP) {
let [from, to] = [fromURI, toURI].map(function (x) x.host.split('.').reverse());
let index = 0;

while (from[index] || to[index]) {
if (from[index] == to[index]) {
index++;
}
else {
from.splice(index);
to.splice(index);
}
}

if (from.length == 0) {
throw Components.results.NS_ERROR_DOM_BAD_URI;
}

fromURI.host = from.reverse().join('.');
toURI.host = to.reverse().join('.');

try {
if (EffectiveTLDService.getPublicSuffix(fromURI) == fromURI.host) {
throw Components.results.NS_ERROR_DOM_BAD_URI;
}
}
catch (e) {
if (e == Components.results.NS_ERROR_DOM_BAD_URI) {
throw e;
}
}
}

ScriptSecurityManager.checkSameOriginURI(fromURI, toURI, false);

return false;
}
catch (e) {
http.referrer = null;
http.setRequestHeader("Referer", null, false);

return true;
}
}

function observe (subject, topic, data) {
switch (topic) {
case "http-on-modify-request":
modify(subject.QueryInterface(Interfaces.HTTPChannel));
break;

case "profile-after-change":
Observer.addObserver(this, "http-on-modify-request", false);
break;
}
}

return {
observe: observe,

QueryInterface: function (id) {
if (!id.equals(Interfaces.Supports) && !id.equals(Interfaces.Observer) && !id.equals(Interfaces.SupportsWeakReference)) {
throw Components.results.NS_ERROR_NO_INTERFACE;
}

return this;
},

classID: Components.ID("55fbf7cd-18ab-4f94-a9ff-4cf21192bcd8"),
contractID: "smart-referer@meh.paranoid.pk/do;1",
classDescription: "Smart Referer Spoofer",

_xpcom_categories: [{ category: "profile-after-change" }]
};
var Observer = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
var NetworkIO = Components.classes["@mozilla.org/network/io-service;1"].getService(Components.interfaces.nsIIOService);
var ScriptSecurityManager = Components.classes["@mozilla.org/scriptsecuritymanager;1"].getService(Components.interfaces.nsIScriptSecurityManager);
var EffectiveTLDService = Components.classes["@mozilla.org/network/effective-tld-service;1"].getService(Components.interfaces.nsIEffectiveTLDService);

var Interfaces = {
Channel: Components.interfaces.nsIChannel,
HTTPChannel: Components.interfaces.nsIHttpChannel,
Supports: Components.interfaces.nsISupports,
Observer: Components.interfaces.nsIObserver,
SupportsWeakReference: Components.interfaces.nsISupportsWeakReference
};

function modify (http) {
try {
http.QueryInterface(Interfaces.Channel);

var referer = NetworkIO.newURI(http.getRequestHeader("Referer"), null, null);
}
catch (e) {
return false;
}

try {
var [fromURI, toURI] = [http.URI.clone(), referer.clone()];

try {
var isIP = false;

EffectiveTLDService.getPublicSuffix(fromURI);
EffectiveTLDService.getPublicSuffix(toURI);
}
catch (e) {
if (e == NS_ERROR_HOST_IS_IP_ADDRESS) {
isIP = true;
}
}

if (!isIP) {
let [from, to] = [fromURI, toURI].map(function (x) x.host.split('.').reverse());
let index = 0;

while (from[index] || to[index]) {
if (from[index] == to[index]) {
index++;
}
else {
from.splice(index);
to.splice(index);
}
}

if (from.length == 0) {
throw Components.results.NS_ERROR_DOM_BAD_URI;
}

fromURI.host = from.reverse().join('.');
toURI.host = to.reverse().join('.');

try {
if (EffectiveTLDService.getPublicSuffix(fromURI) == fromURI.host) {
throw Components.results.NS_ERROR_DOM_BAD_URI;
}
}
catch (e) {
if (e == Components.results.NS_ERROR_DOM_BAD_URI) {
throw e;
}
}
}

ScriptSecurityManager.checkSameOriginURI(fromURI, toURI, false);

return false;
}
catch (e) {
http.referrer = null;
http.setRequestHeader("Referer", null, false);

return true;
}
}

function observe (subject, topic, data) {
switch (topic) {
case "http-on-modify-request":
modify(subject.QueryInterface(Interfaces.HTTPChannel));
break;

case "profile-after-change":
Observer.addObserver(this, "http-on-modify-request", false);
break;
}
}

return {
observe: observe,

QueryInterface: function (id) {
if (!id.equals(Interfaces.Supports) && !id.equals(Interfaces.Observer) && !id.equals(Interfaces.SupportsWeakReference)) {
throw Components.results.NS_ERROR_NO_INTERFACE;
}

return this;
},

classID: Components.ID("55fbf7cd-18ab-4f94-a9ff-4cf21192bcd8"),
contractID: "smart-referer@meh.paranoid.pk/do;1",
classDescription: "Smart Referer Spoofer",

_xpcom_categories: [{ category: "profile-after-change" }]
};
})();

/**
Expand All @@ -142,8 +134,8 @@ SmartRefererSpoofer.prototype = (function () {
Components.utils.import("resource://gre/modules/XPCOMUtils.jsm");

if (XPCOMUtils.generateNSGetFactory) {
var NSGetFactory = XPCOMUtils.generateNSGetFactory([SmartRefererSpoofer]);
var NSGetFactory = XPCOMUtils.generateNSGetFactory([SmartRefererSpoofer]);
}
else {
var NSGetModule = XPCOMUtils.generateNSGetModule([SmartRefererSpoofer]);
var NSGetModule = XPCOMUtils.generateNSGetModule([SmartRefererSpoofer]);
}
8 changes: 4 additions & 4 deletions install.rdf
View file
Expand Up @@ -7,21 +7,21 @@
<em:id>smart-referer@meh.paranoid.pk</em:id>
<em:version>0.0.3.1</em:version>
<em:type>2</em:type>

<!-- Target Application this extension can install into,
with minimum and maximum supported versions. -->
<em:targetApplication>
<Description>
<em:id>{ec8030f7-c20a-464f-9b0e-13a3a9e97384}</em:id>
<em:minVersion>3.0</em:minVersion>
<em:maxVersion>8.0</em:maxVersion>
<em:maxVersion>10.0</em:maxVersion>
</Description>
</em:targetApplication>

<!-- Front End MetaData -->
<em:name>Smart Referer</em:name>
<em:description>Enable smart referers everywhere (send referer only on same domain)</em:description>
<em:creator>meh.</em:creator>
<em:homepageURL>http://github.com/meh/smart-referer</em:homepageURL>
</Description>
</Description>
</RDF>

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