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// Copyright 2015 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.
/**
* @fileoverview Behavior common to Site Settings classes.
*/
/**
* The source information on site exceptions doesn't exactly match the
* controlledBy values.
* TODO(dschuyler): Can they be unified (and this dictionary removed)?
* @type {!Object}
*/
const kControlledByLookup = {
'extension': chrome.settingsPrivate.ControlledBy.EXTENSION,
'HostedApp': chrome.settingsPrivate.ControlledBy.EXTENSION,
'platform_app': chrome.settingsPrivate.ControlledBy.EXTENSION,
'policy': chrome.settingsPrivate.ControlledBy.USER_POLICY,
};
/** @polymerBehavior */
const SiteSettingsBehaviorImpl = {
properties: {
/**
* The string ID of the category this element is displaying data for.
* See site_settings/constants.js for possible values.
* @type {!settings.ContentSettingsTypes}
*/
category: String,
/**
* A cached list of ContentSettingsTypes with a standard allow-block-ask
* pattern that are currently enabled for use. This property is the same
* across all elements with SiteSettingsBehavior ('static').
* @type {Array<settings.ContentSettingsTypes>}
* @private
*/
contentTypes_: {
type: Array,
value: [],
},
/**
* The browser proxy used to retrieve and change information about site
* settings categories and the sites within.
* @type {settings.SiteSettingsPrefsBrowserProxy}
*/
browserProxy: Object,
},
/** @override */
created: function() {
this.browserProxy =
settings.SiteSettingsPrefsBrowserProxyImpl.getInstance();
},
/** @override */
ready: function() {
this.ContentSetting = settings.ContentSetting;
},
/**
* Ensures the URL has a scheme (assumes http if omitted).
* @param {string} url The URL with or without a scheme.
* @return {string} The URL with a scheme, or an empty string.
*/
ensureUrlHasScheme: function(url) {
if (url.length == 0) {
return url;
}
return url.includes('://') ? url : 'http://' + url;
},
/**
* Removes redundant ports, such as port 80 for http and 443 for https.
* @param {string} url The URL to sanitize.
* @return {string} The URL without redundant ports, if any.
*/
sanitizePort: function(url) {
const urlWithScheme = this.ensureUrlHasScheme(url);
if (urlWithScheme.startsWith('https://') &&
urlWithScheme.endsWith(':443')) {
return url.slice(0, -4);
}
if (urlWithScheme.startsWith('http://') && urlWithScheme.endsWith(':80')) {
return url.slice(0, -3);
}
return url;
},
/**
* Returns true if the passed content setting is considered 'enabled'.
* @param {string} setting
* @return {boolean}
* @protected
*/
computeIsSettingEnabled: function(setting) {
return setting != settings.ContentSetting.BLOCK;
},
/**
* Converts a string origin/pattern to a URL.
* @param {string} originOrPattern The origin/pattern to convert to URL.
* @return {URL} The URL to return (or null if origin is not a valid URL).
* @protected
*/
toUrl: function(originOrPattern) {
if (originOrPattern.length == 0) {
return null;
}
// TODO(finnur): Hmm, it would probably be better to ensure scheme on the
// JS/C++ boundary.
// TODO(dschuyler): I agree. This filtering should be done in one go, rather
// that during the sort. The URL generation should be wrapped in a try/catch
// as well.
originOrPattern = originOrPattern.replace('*://', '');
originOrPattern = originOrPattern.replace('[*.]', '');
return new URL(this.ensureUrlHasScheme(originOrPattern));
},
/**
* Convert an exception (received from the C++ handler) to a full
* SiteException.
* @param {!RawSiteException} exception The raw site exception from C++.
* @return {!SiteException} The expanded (full) SiteException.
* @protected
*/
expandSiteException: function(exception) {
const origin = exception.origin;
const embeddingOrigin = exception.embeddingOrigin;
// TODO(patricialor): |exception.source| should be one of the values defined
// in |settings.SiteSettingSource|.
let enforcement = /** @type {?chrome.settingsPrivate.Enforcement} */ (null);
if (exception.source == 'extension' || exception.source == 'HostedApp' ||
exception.source == 'platform_app' || exception.source == 'policy') {
enforcement = chrome.settingsPrivate.Enforcement.ENFORCED;
}
const controlledBy = /** @type {!chrome.settingsPrivate.ControlledBy} */ (
kControlledByLookup[exception.source] ||
chrome.settingsPrivate.ControlledBy.PRIMARY_USER);
return {
category: this.category,
origin: origin,
displayName: exception.displayName,
embeddingOrigin: embeddingOrigin,
incognito: exception.incognito,
setting: exception.setting,
enforcement: enforcement,
controlledBy: controlledBy,
};
},
/**
* Returns list of categories for each setting.ContentSettingsTypes that are
* currently enabled.
* @return {!Array<!settings.ContentSettingsTypes>}
*/
getCategoryList: function() {
if (this.contentTypes_.length == 0) {
for (const typeName in settings.ContentSettingsTypes) {
const contentType = settings.ContentSettingsTypes[typeName];
// <if expr="not chromeos">
if (contentType == settings.ContentSettingsTypes.PROTECTED_CONTENT) {
continue;
}
// </if>
// Some categories store their data in a custom way.
if (contentType == settings.ContentSettingsTypes.COOKIES ||
contentType == settings.ContentSettingsTypes.PROTOCOL_HANDLERS ||
contentType == settings.ContentSettingsTypes.ZOOM_LEVELS) {
continue;
}
this.contentTypes_.push(contentType);
}
}
const addOrRemoveSettingWithFlag = (type, flag) => {
if (loadTimeData.getBoolean(flag)) {
if (!this.contentTypes_.includes(type)) {
this.contentTypes_.push(type);
}
} else {
if (this.contentTypes_.includes(type)) {
this.contentTypes_.splice(this.contentTypes_.indexOf(type), 1);
}
}
};
// These categories are gated behind flags.
addOrRemoveSettingWithFlag(
settings.ContentSettingsTypes.SERIAL_PORTS,
'enableExperimentalWebPlatformFeatures');
addOrRemoveSettingWithFlag(
settings.ContentSettingsTypes.BLUETOOTH_SCANNING,
'enableExperimentalWebPlatformFeatures');
addOrRemoveSettingWithFlag(
settings.ContentSettingsTypes.ADS,
'enableSafeBrowsingSubresourceFilter');
addOrRemoveSettingWithFlag(
settings.ContentSettingsTypes.PAYMENT_HANDLER,
'enablePaymentHandlerContentSetting');
addOrRemoveSettingWithFlag(
settings.ContentSettingsTypes.NATIVE_FILE_SYSTEM_WRITE,
'enableNativeFileSystemWriteContentSetting');
addOrRemoveSettingWithFlag(
settings.ContentSettingsTypes.MIXEDSCRIPT,
'enableInsecureContentContentSetting');
return this.contentTypes_.slice(0);
},
};
/** @polymerBehavior */
const SiteSettingsBehavior = [SiteSettingsBehaviorImpl];
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