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mirror of https://codeberg.org/nobody/LocalCDN.git synced 2024-12-30 11:59:51 +01:00
LocalCDN-Firefox-Chrome-Brave/core/constants.js
2022-03-15 17:12:14 +01:00

651 lines
24 KiB
JavaScript

/**
* Global Constants
* Belongs to LocalCDN (since 2020-02-26)
* (Origin: Decentraleyes)
*
* @author Thomas Rientjes
* @since 2017-10-27
*
* @author nobody
* @since 2020-02-26
*
* @license MPL 2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/.
*/
'use strict';
/**
* Constants
*/
const Address = {
'ANY': '*://*/*',
'ANY_PATH': '/*',
'ANY_PROTOCOL': '*://',
'CHROME': 'chrome:',
'CHROME_EXTENSION': 'chrome-extension:',
'LOCALCDN': 'localcdn.org',
'EXAMPLE': 'example.org',
'HTTP': 'http:',
'HTTPS': 'https:',
'RESOURCE_PATH': '/resources',
'ROOT_PATH': '/',
'WWW_PREFIX': 'www.'
};
const Environment = {
'STABLE': 'stable',
'STAGING': 'staging'
};
const Header = {
'COOKIE': 'Cookie',
'ORIGIN': 'Origin',
'REFERER': 'Referer'
};
const MessageResponse = {
'ASYNCHRONOUS': true,
'SYNCHRONOUS': false
};
const Resource = {
'MAPPING_EXPRESSION': /\.map$/i,
'VERSION_EXPRESSION': /(?:\d{1,2}\.){1,3}\d{1,2}(?:-\d)?|latest/,
'SINGLE_NUMBER_EXPRESSION': /^\D+@?\d.*$/,
'MATHJAX': /\/\w.*(?:\d{1,2}\.){1,3}\d{1,2}(?:-\d)?\/|\/(mathjax\/)?latest\//,
'VERSION_PLACEHOLDER': '{version}'
};
const BadgeSetting = {
'TYPE': 'default',
'COUNTER_PREVIEW_BADGE': 'counter-preview-badge',
'HTML_ICON_BADGE_PREVIEW': 'icon-badge-preview',
'PRE_BADGED_BACKGROUND_COLOR': 'pre-badged-background-color',
'BADGED_BACKGROUND_COLOR': 'badged-background-color',
'PRE_BADGED_TEXT_COLOR': 'pre-badged-text-color',
'BADGED_TEXT_COLOR': 'badged-text-color',
'RESTORE_BACKGROUND_COLOR': 'restore-background-color',
'RESTORE_TEXT_COLOR': 'restore-text-color',
'HEX_BACKGROUND_COLOR': '#666666',
'HEX_TEXT_COLOR': '#FFFFFF',
};
const BadgeSettingHTMLFilter = {
'TYPE': 'html-filter',
'COUNTER_PREVIEW_BADGE': 'html-counter-preview-badge',
'HTML_ICON_BADGE_PREVIEW': 'html-icon-badge-preview',
'PRE_BADGED_BACKGROUND_COLOR': 'html-pre-badged-background-color',
'BADGED_BACKGROUND_COLOR': 'html-badged-background-color',
'PRE_BADGED_TEXT_COLOR': 'html-pre-badged-text-color',
'BADGED_TEXT_COLOR': 'html-badged-text-color',
'RESTORE_BACKGROUND_COLOR': 'html-restore-background-color',
'RESTORE_TEXT_COLOR': 'html-restore-text-color',
'HEX_BACKGROUND_COLOR': '#FF0000',
'HEX_TEXT_COLOR': '#FFFFFF',
};
const BadgeSettingMissingResource = {
'TYPE': 'missing-resource',
'COUNTER_PREVIEW_BADGE': 'missing-counter-preview-badge',
'HTML_ICON_BADGE_PREVIEW': 'missing-icon-badge-preview',
'PRE_BADGED_BACKGROUND_COLOR': 'missing-pre-badged-background-color',
'BADGED_BACKGROUND_COLOR': 'missing-badged-background-color',
'PRE_BADGED_TEXT_COLOR': 'missing-pre-badged-text-color',
'BADGED_TEXT_COLOR': 'missing-badged-text-color',
'RESTORE_BACKGROUND_COLOR': 'missing-restore-background-color',
'RESTORE_TEXT_COLOR': 'missing-restore-text-color',
'HEX_BACKGROUND_COLOR': '#0000FF',
'HEX_TEXT_COLOR': '#FFFFFF',
};
const Setting = {
'AMOUNT_INJECTED': 'amountInjected',
'BLOCK_MISSING': 'blockMissing',
'DISABLE_PREFETCH': 'disablePrefetch',
'ENFORCE_STAGING': 'enforceStaging',
'SHOW_ICON_BADGE': 'showIconBadge',
'UPDATE_NOTIFICATION': 'updateNotification',
'STRIP_METADATA': 'stripMetadata',
'LAST_MAPPING_UPDATE': 'lastMappingUpdate',
'ALLOWLISTED_DOMAINS': 'allowlistedDomains',
'XHR_TEST_DOMAIN': 'xhrTestDomain',
'LOGGING': 'enableLogging',
'DOMAINS_MANIPULATE_DOM': 'domainsManipulateDOM',
'NEGATE_HTML_FILTER_LIST': 'negateHtmlFilterList',
'BLOCK_GOOGLE_FONTS': 'blockGoogleFonts',
'SELECTED_ICON': 'selectedIcon',
'INTERNAL_STATISTICS': 'internalStatistics',
'INTERNAL_STATISTICS_DATA': 'internalStatisticsData',
'DEFAULT_RANGE_STATISTIC': 'defaultRangeStatistic',
'ALLOWED_DOMAINS_GOOGLE_FONTS': 'allowedDomainsGoogleFonts',
'STORAGE_TYPE': 'storageType',
'BADGE_DEFAULT_BACKGROUND_COLOR': 'badgeDefaultBackgroundColor',
'BADGE_DEFAULT_TEXT_COLOR': 'badgeDefaultTextColor',
'BADGE_HTML_FILTER_BACKGROUND_COLOR': 'badgeHTMLFilterBackgroundColor',
'BADGE_HTML_FILTER_TEXT_COLOR': 'badgeHTMLfilterTextColor',
'BADGE_MISSING_RESOURCE_BACKGROUND_COLOR': 'badgeMissingResourceBackgroundColor',
'BADGE_MISSING_RESOURCE_TEXT_COLOR': 'badgeMissingResourceTextColor',
'HIDE_DONATION_BUTTON': 'hideDonationButton',
'CHANGE_BADGE_COLOR_MISSING_RESOURCES': 'changeBadgeColorMissingResources',
};
const SettingDefaults = {
[Setting.ALLOWED_DOMAINS_GOOGLE_FONTS]: {},
[Setting.AMOUNT_INJECTED]: 0,
[Setting.BLOCK_GOOGLE_FONTS]: true,
[Setting.BLOCK_MISSING]: false,
[Setting.DISABLE_PREFETCH]: true,
[Setting.DOMAINS_MANIPULATE_DOM]: {},
[Setting.LOGGING]: false,
[Setting.ENFORCE_STAGING]: false,
[Setting.UPDATE_NOTIFICATION]: 0,
[Setting.INTERNAL_STATISTICS]: false,
[Setting.INTERNAL_STATISTICS_DATA]: {},
[Setting.DEFAULT_RANGE_STATISTIC]: 'week',
[Setting.LAST_MAPPING_UPDATE]: '2020-01-01',
[Setting.NEGATE_HTML_FILTER_LIST]: false,
[Setting.SELECTED_ICON]: 'Default',
[Setting.SHOW_ICON_BADGE]: true,
[Setting.STORAGE_TYPE]: 'local',
[Setting.STRIP_METADATA]: true,
[Setting.ALLOWLISTED_DOMAINS]: {},
[Setting.XHR_TEST_DOMAIN]: Address.LOCALCDN,
[Setting.BADGE_DEFAULT_BACKGROUND_COLOR]: BadgeSetting.HEX_BACKGROUND_COLOR,
[Setting.BADGE_DEFAULT_TEXT_COLOR]: BadgeSetting.HEX_TEXT_COLOR,
[Setting.BADGE_HTML_FILTER_BACKGROUND_COLOR]: BadgeSettingHTMLFilter.HEX_BACKGROUND_COLOR,
[Setting.BADGE_HTML_FILTER_TEXT_COLOR]: BadgeSettingHTMLFilter.HEX_TEXT_COLOR,
[Setting.BADGE_MISSING_RESOURCE_BACKGROUND_COLOR]: BadgeSettingMissingResource.HEX_BACKGROUND_COLOR,
[Setting.BADGE_MISSING_RESOURCE_TEXT_COLOR]: BadgeSettingMissingResource.HEX_TEXT_COLOR,
[Setting.HIDE_DONATION_BUTTON]: false,
[Setting.CHANGE_BADGE_COLOR_MISSING_RESOURCES]: false,
};
const WebRequest = {
'GET': 'GET',
'BLOCKING': 'blocking',
'HEADERS': 'requestHeaders',
'RESPONSE_HEADERS': 'responseHeaders',
'EXTRA_HEADERS': 'extraHeaders'
};
const WebRequestType = {
'MAIN_FRAME': 'main_frame',
'SUB_FRAME': 'sub_frame',
'XHR': 'xmlhttprequest'
};
const Allowlist = {
'TRIM_EXPRESSION': /^\n+|\n+$/g,
'VALUE_SEPARATOR': '\n'
};
const BrowserType = {
'CHROMIUM': chrome.runtime.getURL('/').startsWith('chrome-extension'),
'FIREFOX': chrome.runtime.getURL('/').startsWith('moz-extension')
};
const IconType = {
'Default': {
'Enabled': {
'16': chrome.runtime.getURL('icons/action/default/icon16-default.png'),
'18': chrome.runtime.getURL('icons/action/default/icon18-default.png'),
'19': chrome.runtime.getURL('icons/action/default/icon19-default.png'),
'32': chrome.runtime.getURL('icons/action/default/icon32-default.png'),
'36': chrome.runtime.getURL('icons/action/default/icon36-default.png'),
'38': chrome.runtime.getURL('icons/action/default/icon38-default.png'),
'64': chrome.runtime.getURL('icons/action/default/icon64-default.png')
},
'Disabled': {
'16': chrome.runtime.getURL('icons/action/default/icon16-disabled.png'),
'18': chrome.runtime.getURL('icons/action/default/icon18-disabled.png'),
'19': chrome.runtime.getURL('icons/action/default/icon19-disabled.png'),
'32': chrome.runtime.getURL('icons/action/default/icon32-disabled.png'),
'36': chrome.runtime.getURL('icons/action/default/icon36-disabled.png'),
'38': chrome.runtime.getURL('icons/action/default/icon38-disabled.png'),
'64': chrome.runtime.getURL('icons/action/default/icon64-disabled.png')
}
},
'Light': {
'Enabled': {
'16': chrome.runtime.getURL('icons/action/light/icon16-default.png'),
'18': chrome.runtime.getURL('icons/action/light/icon18-default.png'),
'19': chrome.runtime.getURL('icons/action/light/icon19-default.png'),
'32': chrome.runtime.getURL('icons/action/light/icon32-default.png'),
'36': chrome.runtime.getURL('icons/action/light/icon36-default.png'),
'38': chrome.runtime.getURL('icons/action/light/icon38-default.png'),
'64': chrome.runtime.getURL('icons/action/light/icon64-default.png')
},
'Disabled': {
'16': chrome.runtime.getURL('icons/action/light/icon16-disabled.png'),
'18': chrome.runtime.getURL('icons/action/light/icon18-disabled.png'),
'19': chrome.runtime.getURL('icons/action/light/icon19-disabled.png'),
'32': chrome.runtime.getURL('icons/action/light/icon32-disabled.png'),
'36': chrome.runtime.getURL('icons/action/light/icon36-disabled.png'),
'38': chrome.runtime.getURL('icons/action/light/icon38-disabled.png'),
'64': chrome.runtime.getURL('icons/action/light/icon64-disabled.png')
}
},
'Grey': {
'Enabled': {
'16': chrome.runtime.getURL('icons/action/grey/icon16-default.png'),
'18': chrome.runtime.getURL('icons/action/grey/icon18-default.png'),
'19': chrome.runtime.getURL('icons/action/grey/icon19-default.png'),
'32': chrome.runtime.getURL('icons/action/grey/icon32-default.png'),
'36': chrome.runtime.getURL('icons/action/grey/icon36-default.png'),
'38': chrome.runtime.getURL('icons/action/grey/icon38-default.png'),
'64': chrome.runtime.getURL('icons/action/grey/icon64-default.png')
},
'Disabled': {
'16': chrome.runtime.getURL('icons/action/grey/icon16-disabled.png'),
'18': chrome.runtime.getURL('icons/action/grey/icon18-disabled.png'),
'19': chrome.runtime.getURL('icons/action/grey/icon19-disabled.png'),
'32': chrome.runtime.getURL('icons/action/grey/icon32-disabled.png'),
'36': chrome.runtime.getURL('icons/action/grey/icon36-disabled.png'),
'38': chrome.runtime.getURL('icons/action/grey/icon38-disabled.png'),
'64': chrome.runtime.getURL('icons/action/grey/icon64-disabled.png')
}
}
};
const Regex = {
'GOOGLE_FONTS': /fonts\.(googleapis|gstatic)\.com\/(?!.*(Material\+Icons|materialicons).*).*/,
'GOOGLE_MATERIAL_ICONS': /fonts\.(googleapis|gstatic)\.com\/.*\?family=.*Material\+Icons/,
'JSDELIVR_COMBINE': /cdn\.jsdelivr\.net.*\/combine.*jquery.*hogan.*algoliasearch.*autocomplete.*/,
'BOOTSTRAP_DATEPICKER_3': /\/bootstrap-datepicker3.*\.css/,
'BOOTSTRAP_DATEPICKER': /\/bootstrap-datepicker.*\.css/,
'FONT_AWESOME': /use\.fontawesome\.com\/fa-loader\.css/,
'FONT_AWESOME_WITH_CODE': /use\.fontawesome\.com\/[a-z0-9]{10}\.(js|css)/,
'FONT_AWESOME_FONTS_ONLY': /\/font-?awesome\/(?:\d{1,2}\.){1,3}\d{1,2}\/fonts\//,
'BOOTSTRAP_FONTS_ONLY': /\/bootstrap\/(?:\d{1,2}\.){1,3}\d{1,2}\/fonts\//,
'ROCKET_LOADER': /ajax\.cloudflare\.com\/cdn-cgi\/scripts\/[\d\w]{8}\/cloudflare-static\/rocket-loader\.min\.js/
};
const MaterialIcons = {
'DEFAULT': 'flUhRq6tzZclQEJ-Vdg-IuiaDsNc.woff2'
};
const Links = {
'CODEBERG_HTML_FILTER': 'https://codeberg.org/nobody/LocalCDN/wiki/Home#user-content-7-a-website-looks-weird-or-cannot-be-used-if-i-deactivate-localcdn-everything-works-what-is-the-problem',
'CODEBERG_RULESET': 'https://codeberg.org/nobody/LocalCDN/wiki/Home#user-content-6-why-do-i-need-this-rule-generator-i-use-an-adblocker-and-want-to-import-these-rules-how-does-it-work',
'WELCOME': chrome.runtime.getURL('pages/welcome/welcome.html'),
'DONATE': chrome.runtime.getURL('pages/donate/donate.html'),
'CHANGELOG': chrome.runtime.getURL('pages/updates/updates.html'),
'FAQ': chrome.runtime.getURL('pages/help/help.html'),
'FAQ_HTML_FILTER': chrome.runtime.getURL('pages/help/help.html#html-filter'),
'STATISTICS': chrome.runtime.getURL('pages/statistics/statistics.html'),
'LOCALCDN_TEST': 'https://www.localcdn.org/test',
'LOCALCDN_TEST_WEBSITE': 'https://www.localcdn.org/test/check',
'WEBLATE': 'https://hosted.weblate.org/projects/localcdn/localcdn/',
'LOGGING': chrome.runtime.getURL('pages/logging/logging.html'),
};
const CDNs = {
'ajax.googleapis.com': 'Google Hosted Libraries',
'ajax.aspnetcdn.com': 'Microsoft Ajax CDN',
'ajax.microsoft.com': 'Microsoft Ajax CDN [Deprecated]',
'cdnjs.cloudflare.com': 'CDNJS (Cloudflare)',
'code.jquery.com': 'jQuery CDN (StackPath)',
'cdn.jsdelivr.net': 'jsDelivr (Cloudflare)',
'yastatic.net': 'Yandex CDN',
'yandex.st': 'Yandex CDN [Deprecated]',
'apps.bdimg.com': 'Baidu CDN',
'libs.baidu.com': 'Baidu CDN [Deprecated]',
'lib.sinaapp.com': 'Sina Public Resources',
'upcdn.b0.upaiyun.com': 'UpYun Library',
'cdn.bootcss.com': 'BootCDN #1',
'sdn.geekzu.org': 'Geekzu Public Service [Mirror]',
'ajax.proxy.ustclug.org': 'USTC Linux User Group [Mirror]',
'unpkg.com': 'UNPKG (Cloudflare)',
'stackpath.bootstrapcdn.com': 'StackPath BootstrapCDN',
'maxcdn.bootstrapcdn.com': 'MaxCDN Bootstrap CDN',
'use.fontawesome.com': 'Font Awesome CDN',
'ajax.cloudflare.com': 'Cloudflare CDN',
'akamai-webcdn.kgstatic.net': 'Akamai WebCDN',
'netdna.bootstrapcdn.com': 'NetDNA',
'pagecdn.io': 'PageCDN',
'fonts.googleapis.com': 'Google',
'fonts.gstatic.com': 'Google',
'gitcdn.github.io': 'GitHub',
'cdn.bootcdn.net': 'BootCDN #2',
'vjs.zencdn.net': 'Video.js CDN',
'cdn.plyr.io': 'Plyr CDN',
'cdn.materialdesignicons.com': 'MaterialDesign',
'cdn.ravenjs.com': 'Raven.js',
'js.appboycdn.com': 'Appboy CDN',
'cdn.embed.ly': 'embedly',
'cdn.datatables.net': 'DataTables',
'mathjax.rstudio.com': 'MathJax RStudio',
'cdn.mathjax.org': 'MathJax CDN',
};
const IgnoredHost = {
'fonts.googleapis.com': true,
'fonts.gstatic.com': true,
};
/**
* MathJax is a very large library with over 30,000 files.
* That is why it is better to specify each one here.
*
* https://codeberg.org/nobody/LocalCDN/issues/75
*/
const MathJaxFiles = {
'config/default.js': true,
'config/MML_HTMLorMML.js': true,
'config/TeX-AMS_HTML.js': true,
'config/TeX-AMS_HTML-full.js': true,
'config/TeX-AMS-MML_HTMLorMML.js': true,
'config/TeX-MML-AM_CHTML.js': true,
'extensions/TeX/begingroup.js': true,
'extensions/TeX/cancel.js': true,
'extensions/TeX/mhchem3/mhchem.js': true,
'extensions/asciimath2jax.js': true,
'extensions/MathEvents.js': true,
'extensions/MathMenu.js': true,
'extensions/MathML/content-mathml.js': true,
'extensions/MathML/mml3.js': true,
'extensions/MathZoom.js': true,
'extensions/mml2jax.js': true,
'extensions/tex2jax.js': true,
'fonts/HTML-CSS/TeX/woff/MathJax_Main-Regular.woff': true,
'fonts/HTML-CSS/TeX/woff/MathJax_Math-Italic.woff': true,
'fonts/HTML-CSS/TeX/woff/MathJax_Size1-Regular.woff': true,
'fonts/HTML-CSS/TeX/woff/MathJax_Size2-Regular.woff': true,
'fonts/HTML-CSS/TeX/woff/MathJax_Size3-Regular.woff': true,
'jax/element/mml/jax.js': true,
'jax/element/mml/optable/BasicLatin.js': true,
'jax/element/mml/optable/GeneralPunctuation.js': true,
'jax/element/mml/optable/Latin1Supplement.js': true,
'jax/element/mml/optable/MathOperators.js': true,
'jax/element/mml/optable/SuppMathOperators.js': true,
'jax/input/TeX/config.js': true,
'jax/input/TeX/jax.js': true,
'jax/output/CommonHTML/fonts/TeX/fontdata.js': true,
'jax/output/CommonHTML/autoload/mtable.js': true,
'jax/output/CommonHTML/jax.js': true,
'jax/output/CommonHTML/config.js': true,
'jax/output/HTML-CSS/autoload/menclose.js': true,
'jax/output/HTML-CSS/autoload/mtable.js': true,
'jax/output/HTML-CSS/autoload/multiline.js': true,
'jax/output/HTML-CSS/config.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/Latin1Supplement.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/MiscSymbols.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/SuppMathOperators.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/MathOperators.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/Main.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/BoxDrawing.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/BBBold.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/LetterlikeSymbols.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/EnclosedAlphanum.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/Dingbats.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/LatinExtendedA.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/CombDiacritMarks.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/MiscTechnical.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/Arrows.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/GeometricShapes.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/GeneralPunctuation.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/PUA.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/SpacingModLetters.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/MiscMathSymbolsB.js': true,
'jax/output/HTML-CSS/fonts/TeX/AMS/Regular/GreekAndCoptic.js': true,
'jax/output/HTML-CSS/fonts/TeX/fontdata-extra.js': true,
'jax/output/HTML-CSS/fonts/TeX/fontdata.js': true,
'jax/output/HTML-CSS/imageFonts.js': true,
'jax/output/HTML-CSS/jax.js': true,
};
const MathJax3Files = {
'es5/output/chtml/fonts/woff-v2/MathJax_Main-Regular.woff': true,
'es5/output/chtml/fonts/woff-v2/MathJax_Zero.woff': true,
'es5/tex-mml-chtml.js': true,
};
/**
* To block bad resources, e.g. fingerprint
*
* Required if the user has not enabled the "Block requests for missing resources" option.
*
* https://codeberg.org/nobody/LocalCDN/issues/703
*/
const BadResources = {
'cdn.jsdelivr.net/npm/@fingerprintjs/': true,
'cdnjs.cloudflare.com/ajax/libs/fingerprintjs/': true,
'cdnjs.cloudflare.com/ajax/libs/fingerprintjs2/': true,
'cdnjs.cloudflare.com/ajax/libs/ClientJS/': true,
};
const LogString = {
'PREFIX': '[ LocalCDN ]',
'FONT_AWESOME': 'Font Awesome is not fully supported by your browser.',
'GOOGLE_MATERIAL_ICONS': 'Google Material Icons are not fully supported by your browser.',
'YANDEX': 'Workaround. Disable LocalCDN if website and CDN are the same',
'REPLACED_RESOURCE': 'Replaced resource:',
'MISSING_RESOURCE': 'Missing resource:',
'EVIL_RESOURCE_BLOCKED': 'Evil resource blocked:',
};
// Supported charsets for TextDecoder()
// https://developer.mozilla.org/en-US/docs/Web/API/TextDecoder/TextDecoder
const EncodingTypes = {
'unicode-1-1-utf-8': true,
'utf-8': true,
'utf8': true,
'866': true,
'cp866': true,
'csibm866': true,
'ibm866': true,
'csisolatin2': true,
'iso-8859-2': true,
'iso-ir-101': true,
'iso8859-2': true,
'iso88592': true,
'iso_8859-2': true,
'iso_8859-2:1987': true,
'l2': true,
'latin2': true,
'csisolatin3': true,
'iso-8859-3': true,
'iso-ir-109': true,
'iso8859-3': true,
'iso88593': true,
'iso_8859-3': true,
'iso_8859-3:1988': true,
'l3': true,
'latin3': true,
'csisolatin4': true,
'iso-8859-4': true,
'iso-ir-110': true,
'iso8859-4': true,
'iso88594': true,
'iso_8859-4': true,
'iso_8859-4:1988': true,
'l4': true,
'latin4': true,
'csisolatincyrillic': true,
'cyrillic': true,
'iso-8859-5': true,
'iso-ir-144': true,
'iso88595': true,
'iso_8859-5': true,
'iso_8859-5:1988': true,
'arabic': true,
'asmo-708': true,
'csiso88596e': true,
'csiso88596i': true,
'csisolatinarabic': true,
'ecma-114': true,
'iso-8859-6': true,
'iso-8859-6-e': true,
'iso-8859-6-i': true,
'iso-ir-127': true,
'iso8859-6': true,
'iso88596': true,
'iso_8859-6': true,
'iso_8859-6:1987': true,
'csisolatingreek': true,
'ecma-118': true,
'elot_928': true,
'greek': true,
'greek8': true,
'iso-8859-7': true,
'iso-ir-126': true,
'iso8859-7': true,
'iso88597': true,
'iso_8859-7': true,
'iso_8859-7:1987': true,
'sun_eu_greek': true,
'csiso88598e': true,
'csisolatinhebrew': true,
'hebrew': true,
'iso-8859-8': true,
'iso-8859-8-e': true,
'iso-ir-138': true,
'iso8859-8': true,
'iso88598': true,
'iso_8859-8': true,
'iso_8859-8:1988': true,
'visual': true,
'csiso88598i': true,
'iso-8859-8-i': true,
'logical': true,
'csisolatin6': true,
'iso-8859-10': true,
'iso-ir-157': true,
'iso8859-10': true,
'iso885910': true,
'l6': true,
'latin6': true,
'iso-8859-13': true,
'iso8859-13': true,
'iso885913': true,
'iso-8859-14': true,
'iso8859-14': true,
'iso885914': true,
'csisolatin9': true,
'iso-8859-15': true,
'iso8859-15': true,
'iso885915': true,
'l9': true,
'latin9': true,
'iso-8859-16': true,
'cskoi8r': true,
'koi': true,
'koi8': true,
'koi8-r': true,
'koi8_r': true,
'koi8-u': true,
'csmacintosh': true,
'mac': true,
'macintosh': true,
'x-mac-roman': true,
'dos-874': true,
'iso-8859-11': true,
'iso8859-11': true,
'iso885911': true,
'tis-620': true,
'windows-874': true,
'cp1250': true,
'windows-1250': true,
'x-cp1250': true,
'cp1251': true,
'windows-1251': true,
'x-cp1251': true,
'ansi_x3.4-1968': true,
'ascii': true,
'cp1252': true,
'cp819': true,
'csisolatin1': true,
'ibm819': true,
'iso-8859-1': true,
'iso-ir-100': true,
'iso8859-1': true,
'iso88591': true,
'iso_8859-1': true,
'iso_8859-1:1987': true,
'l1': true,
'latin1': true,
'us-ascii': true,
'windows-1252': true,
'x-cp1252': true,
'cp1253': true,
'windows-1253': true,
'x-cp1253': true,
'cp1254': true,
'csisolatin5': true,
'iso-8859-9': true,
'iso-ir-148': true,
'iso8859-9': true,
'iso88599': true,
'iso_8859-9': true,
'iso_8859-9:1989': true,
'l5': true,
'latin5': true,
'windows-1254': true,
'x-cp1254': true,
'cp1255': true,
'windows-1255': true,
'x-cp1255': true,
'cp1256': true,
'windows-1256': true,
'x-cp1256': true,
'cp1257': true,
'windows-1257': true,
'x-cp1257': true,
'cp1258': true,
'windows-1258': true,
'x-cp1258': true,
'x-mac-cyrillic': true,
'x-mac-ukrainian': true,
'chinese': true,
'csgb2312': true,
'csiso58gb231280': true,
'gb2312': true,
'gb_2312': true,
'gb_2312-80': true,
'gbk': true,
'iso-ir-58': true,
'x-gbk': true,
'gb18030': true,
'hz-gb-2312': true,
'big5': true,
'big5-hkscs': true,
'cn-big5': true,
'csbig5': true,
'x-x-big5': true,
'cseucpkdfmtjapanese': true,
'euc-jp': true,
'x-euc-jp': true,
'csiso2022jp': true,
'iso-2022-jp': true,
'iso-2022-jp-2': true,
'csshiftjis': true,
'ms_kanji': true,
'shift-jis': true,
'shift_jis': true,
'sjis': true,
'windows-31j': true,
'x-sjis': true,
'cseuckr': true,
'csksc56011987': true,
'euc-kr': true,
'iso-ir-149': true,
'korean': true,
'ks_c_5601-1987': true,
'ks_c_5601-1989': true,
'ksc5601': true,
'ksc_5601': true,
'windows-949': true,
'csiso2022kr': true,
'iso-2022-kr': true,
'utf-16be': true,
'utf-16': true,
'utf-16le': true,
'x-user-defined': true,
'iso-2022-cn': true,
'iso-2022-cn-ext': true
};