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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
/**
* This view displays information on the proxy setup:
*
* - Shows the current proxy settings.
* - Has a button to reload these settings.
* - Shows the list of proxy hostnames that are cached as "bad".
* - Has a button to clear the cached bad proxies.
*/
var ProxyView = (function() {
'use strict';
// We inherit from DivView.
var superClass = DivView;
/**
* @constructor
*/
function ProxyView() {
assertFirstConstructorCall(ProxyView);
// Call superclass's constructor.
superClass.call(this, ProxyView.MAIN_BOX_ID);
// Hook up the UI components.
$(ProxyView.RELOAD_SETTINGS_BUTTON_ID).onclick =
g_browser.sendReloadProxySettings.bind(g_browser);
$(ProxyView.CLEAR_BAD_PROXIES_BUTTON_ID).onclick =
g_browser.sendClearBadProxies.bind(g_browser);
// Register to receive proxy information as it changes.
g_browser.addProxySettingsObserver(this, true);
g_browser.addBadProxiesObserver(this, true);
}
ProxyView.TAB_ID = 'tab-handle-proxy';
ProxyView.TAB_NAME = 'Proxy';
ProxyView.TAB_HASH = '#proxy';
// IDs for special HTML elements in proxy_view.html
ProxyView.MAIN_BOX_ID = 'proxy-view-tab-content';
ProxyView.ORIGINAL_SETTINGS_DIV_ID = 'proxy-view-original-settings';
ProxyView.EFFECTIVE_SETTINGS_DIV_ID = 'proxy-view-effective-settings';
ProxyView.ORIGINAL_CONTENT_DIV_ID = 'proxy-view-original-content';
ProxyView.EFFECTIVE_CONTENT_DIV_ID = 'proxy-view-effective-content';
ProxyView.RELOAD_SETTINGS_BUTTON_ID = 'proxy-view-reload-settings';
ProxyView.BAD_PROXIES_DIV_ID = 'proxy-view-bad-proxies-div';
ProxyView.BAD_PROXIES_TBODY_ID = 'proxy-view-bad-proxies-tbody';
ProxyView.CLEAR_BAD_PROXIES_BUTTON_ID = 'proxy-view-clear-bad-proxies';
ProxyView.SOCKS_HINTS_DIV_ID = 'proxy-view-socks-hints';
ProxyView.SOCKS_HINTS_FLAG_DIV_ID = 'proxy-view-socks-hints-flag';
cr.addSingletonGetter(ProxyView);
ProxyView.prototype = {
// Inherit the superclass's methods.
__proto__: superClass.prototype,
onLoadLogFinish: function(data) {
return this.onProxySettingsChanged(data.proxySettings) &&
this.onBadProxiesChanged(data.badProxies);
},
onProxySettingsChanged: function(proxySettings) {
$(ProxyView.ORIGINAL_SETTINGS_DIV_ID).innerHTML = '';
$(ProxyView.EFFECTIVE_SETTINGS_DIV_ID).innerHTML = '';
this.updateSocksHints_(null);
if (!proxySettings)
return false;
// Both |original| and |effective| are dictionaries describing the
// settings.
var original = proxySettings.original;
var effective = proxySettings.effective;
var originalStr = proxySettingsToString(original);
var effectiveStr = proxySettingsToString(effective);
setNodeDisplay($(ProxyView.ORIGINAL_CONTENT_DIV_ID),
originalStr != effectiveStr);
$(ProxyView.ORIGINAL_SETTINGS_DIV_ID).innerText = originalStr;
$(ProxyView.EFFECTIVE_SETTINGS_DIV_ID).innerText = effectiveStr;
this.updateSocksHints_(effective);
return true;
},
onBadProxiesChanged: function(badProxies) {
$(ProxyView.BAD_PROXIES_TBODY_ID).innerHTML = '';
setNodeDisplay($(ProxyView.BAD_PROXIES_DIV_ID),
badProxies && badProxies.length > 0);
if (!badProxies)
return false;
// Add a table row for each bad proxy entry.
for (var i = 0; i < badProxies.length; ++i) {
var entry = badProxies[i];
var badUntilDate = timeutil.convertTimeTicksToDate(entry.bad_until);
var tr = addNode($(ProxyView.BAD_PROXIES_TBODY_ID), 'tr');
var nameCell = addNode(tr, 'td');
var badUntilCell = addNode(tr, 'td');
addTextNode(nameCell, entry.proxy_uri);
timeutil.addNodeWithDate(badUntilCell, badUntilDate);
}
return true;
},
updateSocksHints_: function(proxySettings) {
setNodeDisplay($(ProxyView.SOCKS_HINTS_DIV_ID), false);
if (!proxySettings)
return;
var socksProxy = getSingleSocks5Proxy_(proxySettings.single_proxy);
if (!socksProxy)
return;
// Suggest a recommended --host-resolver-rules.
// NOTE: This does not compensate for any proxy bypass rules. If the
// proxy settings include proxy bypasses the user may need to expand the
// exclusions for host resolving.
var hostResolverRules = 'MAP * ~NOTFOUND , EXCLUDE ' + socksProxy.host;
var hostResolverRulesFlag = '--host-resolver-rules="' +
hostResolverRules + '"';
// TODO(eroman): On Linux the ClientInfo.command_line is wrong in that it
// doesn't include any quotes around the parameters. This means the
// string search above is going to fail :(
if (ClientInfo.command_line &&
ClientInfo.command_line.indexOf(hostResolverRulesFlag) != -1) {
// Chrome is already using the suggested resolver rules.
return;
}
$(ProxyView.SOCKS_HINTS_FLAG_DIV_ID).innerText = hostResolverRulesFlag;
setNodeDisplay($(ProxyView.SOCKS_HINTS_DIV_ID), true);
}
};
function getSingleSocks5Proxy_(proxyList) {
var proxyString;
if (typeof proxyList == 'string') {
// Older versions of Chrome passed single_proxy as a string.
// TODO(eroman): This behavior changed in M27. Support for older logs can
// safely be removed circa M29.
proxyString = proxyList;
} else if (Array.isArray(proxyList) && proxyList.length == 1) {
proxyString = proxyList[0];
} else {
return null;
}
var pattern = /^socks5:\/\/(.*)$/;
var matches = pattern.exec(proxyString);
if (!matches)
return null;
var hostPortString = matches[1];
matches = /^(.*):(\d+)$/.exec(hostPortString);
if (!matches)
return null;
var result = {host: matches[1], port: matches[2]};
// Strip brackets off of IPv6 literals.
matches = /^\[(.*)\]$/.exec(result.host);
if (matches)
result.host = matches[1];
return result;
}
return ProxyView;
})();
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