@angular/core
Version:
Angular - the core framework
77 lines • 12 kB
JavaScript
/**
* @license
* Copyright Google Inc. All Rights Reserved.
*
* Use of this source code is governed by an MIT-style license that can be
* found in the LICENSE file at https://angular.io/license
*/
var BRAND = '__SANITIZER_TRUSTED_BRAND__';
export function allowSanitizationBypass(value, type) {
return (value instanceof String && value[BRAND] === type);
}
/**
* Mark `html` string as trusted.
*
* This function wraps the trusted string in `String` and brands it in a way which makes it
* recognizable to {@link htmlSanitizer} to be trusted implicitly.
*
* @param trustedHtml `html` string which needs to be implicitly trusted.
* @returns a `html` `String` which has been branded to be implicitly trusted.
*/
export function bypassSanitizationTrustHtml(trustedHtml) {
return bypassSanitizationTrustString(trustedHtml, "Html" /* Html */);
}
/**
* Mark `style` string as trusted.
*
* This function wraps the trusted string in `String` and brands it in a way which makes it
* recognizable to {@link styleSanitizer} to be trusted implicitly.
*
* @param trustedStyle `style` string which needs to be implicitly trusted.
* @returns a `style` `String` which has been branded to be implicitly trusted.
*/
export function bypassSanitizationTrustStyle(trustedStyle) {
return bypassSanitizationTrustString(trustedStyle, "Style" /* Style */);
}
/**
* Mark `script` string as trusted.
*
* This function wraps the trusted string in `String` and brands it in a way which makes it
* recognizable to {@link scriptSanitizer} to be trusted implicitly.
*
* @param trustedScript `script` string which needs to be implicitly trusted.
* @returns a `script` `String` which has been branded to be implicitly trusted.
*/
export function bypassSanitizationTrustScript(trustedScript) {
return bypassSanitizationTrustString(trustedScript, "Script" /* Script */);
}
/**
* Mark `url` string as trusted.
*
* This function wraps the trusted string in `String` and brands it in a way which makes it
* recognizable to {@link urlSanitizer} to be trusted implicitly.
*
* @param trustedUrl `url` string which needs to be implicitly trusted.
* @returns a `url` `String` which has been branded to be implicitly trusted.
*/
export function bypassSanitizationTrustUrl(trustedUrl) {
return bypassSanitizationTrustString(trustedUrl, "Url" /* Url */);
}
/**
* Mark `url` string as trusted.
*
* This function wraps the trusted string in `String` and brands it in a way which makes it
* recognizable to {@link resourceUrlSanitizer} to be trusted implicitly.
*
* @param trustedResourceUrl `url` string which needs to be implicitly trusted.
* @returns a `url` `String` which has been branded to be implicitly trusted.
*/
export function bypassSanitizationTrustResourceUrl(trustedResourceUrl) {
return bypassSanitizationTrustString(trustedResourceUrl, "ResourceUrl" /* ResourceUrl */);
}
function bypassSanitizationTrustString(trustedString, mode) {
var trusted = new String(trustedString);
trusted[BRAND] = mode;
return trusted;
}
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All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.io/license\n */\n\nconst BRAND = '__SANITIZER_TRUSTED_BRAND__';\n\nexport const enum BypassType {\n  Url = 'Url',\n  Html = 'Html',\n  ResourceUrl = 'ResourceUrl',\n  Script = 'Script',\n  Style = 'Style',\n}\n\n/**\n * A branded trusted string used with sanitization.\n *\n * See: {@link TrustedHtmlString}, {@link TrustedResourceUrlString}, {@link TrustedScriptString},\n * {@link TrustedStyleString}, {@link TrustedUrlString}\n */\nexport interface TrustedString extends String { [BRAND]: BypassType; }\n\n/**\n * A branded trusted string used with sanitization of `html` strings.\n *\n * See: {@link bypassSanitizationTrustHtml} and {@link htmlSanitizer}.\n */\nexport interface TrustedHtmlString extends TrustedString { [BRAND]: BypassType.Html; }\n\n/**\n * A branded trusted string used with sanitization of `style` strings.\n *\n * See: {@link bypassSanitizationTrustStyle} and {@link styleSanitizer}.\n */\nexport interface TrustedStyleString extends TrustedString { [BRAND]: BypassType.Style; }\n\n/**\n * A branded trusted string used with sanitization of `url` strings.\n *\n * See: {@link bypassSanitizationTrustScript} and {@link scriptSanitizer}.\n */\nexport interface TrustedScriptString extends TrustedString { [BRAND]: BypassType.Script; }\n\n/**\n * A branded trusted string used with sanitization of `url` strings.\n *\n * See: {@link bypassSanitizationTrustUrl} and {@link urlSanitizer}.\n */\nexport interface TrustedUrlString extends TrustedString { [BRAND]: BypassType.Url; }\n\n/**\n * A branded trusted string used with sanitization of `resourceUrl` strings.\n *\n * See: {@link bypassSanitizationTrustResourceUrl} and {@link resourceUrlSanitizer}.\n */\nexport interface TrustedResourceUrlString extends TrustedString { [BRAND]: BypassType.ResourceUrl; }\n\nexport function allowSanitizationBypass(value: any, type: BypassType): boolean {\n  return (value instanceof String && (value as TrustedStyleString)[BRAND] === type);\n}\n\n/**\n * Mark `html` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link htmlSanitizer} to be trusted implicitly.\n *\n * @param trustedHtml `html` string which needs to be implicitly trusted.\n * @returns a `html` `String` which has been branded to be implicitly trusted.\n */\nexport function bypassSanitizationTrustHtml(trustedHtml: string): TrustedHtmlString {\n  return bypassSanitizationTrustString(trustedHtml, BypassType.Html);\n}\n/**\n * Mark `style` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link styleSanitizer} to be trusted implicitly.\n *\n * @param trustedStyle `style` string which needs to be implicitly trusted.\n * @returns a `style` `String` which has been branded to be implicitly trusted.\n */\nexport function bypassSanitizationTrustStyle(trustedStyle: string): TrustedStyleString {\n  return bypassSanitizationTrustString(trustedStyle, BypassType.Style);\n}\n/**\n * Mark `script` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link scriptSanitizer} to be trusted implicitly.\n *\n * @param trustedScript `script` string which needs to be implicitly trusted.\n * @returns a `script` `String` which has been branded to be implicitly trusted.\n */\nexport function bypassSanitizationTrustScript(trustedScript: string): TrustedScriptString {\n  return bypassSanitizationTrustString(trustedScript, BypassType.Script);\n}\n/**\n * Mark `url` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link urlSanitizer} to be trusted implicitly.\n *\n * @param trustedUrl `url` string which needs to be implicitly trusted.\n * @returns a `url` `String` which has been branded to be implicitly trusted.\n */\nexport function bypassSanitizationTrustUrl(trustedUrl: string): TrustedUrlString {\n  return bypassSanitizationTrustString(trustedUrl, BypassType.Url);\n}\n/**\n * Mark `url` string as trusted.\n *\n * This function wraps the trusted string in `String` and brands it in a way which makes it\n * recognizable to {@link resourceUrlSanitizer} to be trusted implicitly.\n *\n * @param trustedResourceUrl `url` string which needs to be implicitly trusted.\n * @returns a `url` `String` which has been branded to be implicitly trusted.\n */\nexport function bypassSanitizationTrustResourceUrl(trustedResourceUrl: string):\n    TrustedResourceUrlString {\n  return bypassSanitizationTrustString(trustedResourceUrl, BypassType.ResourceUrl);\n}\n\n\nfunction bypassSanitizationTrustString(\n    trustedString: string, mode: BypassType.Html): TrustedHtmlString;\nfunction bypassSanitizationTrustString(\n    trustedString: string, mode: BypassType.Style): TrustedStyleString;\nfunction bypassSanitizationTrustString(\n    trustedString: string, mode: BypassType.Script): TrustedScriptString;\nfunction bypassSanitizationTrustString(\n    trustedString: string, mode: BypassType.Url): TrustedUrlString;\nfunction bypassSanitizationTrustString(\n    trustedString: string, mode: BypassType.ResourceUrl): TrustedResourceUrlString;\nfunction bypassSanitizationTrustString(trustedString: string, mode: BypassType): TrustedString {\n  const trusted = new String(trustedString) as TrustedString;\n  trusted[BRAND] = mode;\n  return trusted;\n}\n"]}