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/**
 * @license
 * Copyright Google LLC 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
 */
import { XSS_SECURITY_URL } from '../error_details_base_url';
import { RuntimeError } from '../errors';
import { getDocument } from '../render3/interfaces/document';
import { ENVIRONMENT } from '../render3/interfaces/view';
import { getLView } from '../render3/state';
import { renderStringify } from '../render3/util/stringify_utils';
import { trustedHTMLFromString, trustedScriptURLFromString } from '../util/security/trusted_types';
import { trustedHTMLFromStringBypass, trustedScriptFromStringBypass, trustedScriptURLFromStringBypass, } from '../util/security/trusted_types_bypass';
import { allowSanitizationBypassAndThrow, unwrapSafeValue } from './bypass';
import { _sanitizeHtml as _sanitizeHtml } from './html_sanitizer';
import { SecurityContext } from './security';
import { _sanitizeUrl as _sanitizeUrl } from './url_sanitizer';
/**
 * An `html` sanitizer which converts untrusted `html` **string** into trusted string by removing
 * dangerous content.
 *
 * This method parses the `html` and locates potentially dangerous content (such as urls and
 * javascript) and removes it.
 *
 * It is possible to mark a string as trusted by calling {@link bypassSanitizationTrustHtml}.
 *
 * @param unsafeHtml untrusted `html`, typically from the user.
 * @returns `html` string which is safe to display to user, because all of the dangerous javascript
 * and urls have been removed.
 *
 * @codeGenApi
 */
export function ɵɵsanitizeHtml(unsafeHtml) {
    const sanitizer = getSanitizer();
    if (sanitizer) {
        return trustedHTMLFromStringBypass(sanitizer.sanitize(SecurityContext.HTML, unsafeHtml) || '');
    }
    if (allowSanitizationBypassAndThrow(unsafeHtml, "HTML" /* BypassType.Html */)) {
        return trustedHTMLFromStringBypass(unwrapSafeValue(unsafeHtml));
    }
    return _sanitizeHtml(getDocument(), renderStringify(unsafeHtml));
}
/**
 * A `style` sanitizer which converts untrusted `style` **string** into trusted string by removing
 * dangerous content.
 *
 * It is possible to mark a string as trusted by calling {@link bypassSanitizationTrustStyle}.
 *
 * @param unsafeStyle untrusted `style`, typically from the user.
 * @returns `style` string which is safe to bind to the `style` properties.
 *
 * @codeGenApi
 */
export function ɵɵsanitizeStyle(unsafeStyle) {
    const sanitizer = getSanitizer();
    if (sanitizer) {
        return sanitizer.sanitize(SecurityContext.STYLE, unsafeStyle) || '';
    }
    if (allowSanitizationBypassAndThrow(unsafeStyle, "Style" /* BypassType.Style */)) {
        return unwrapSafeValue(unsafeStyle);
    }
    return renderStringify(unsafeStyle);
}
/**
 * A `url` sanitizer which converts untrusted `url` **string** into trusted string by removing
 * dangerous
 * content.
 *
 * This method parses the `url` and locates potentially dangerous content (such as javascript) and
 * removes it.
 *
 * It is possible to mark a string as trusted by calling {@link bypassSanitizationTrustUrl}.
 *
 * @param unsafeUrl untrusted `url`, typically from the user.
 * @returns `url` string which is safe to bind to the `src` properties such as ``, because
 * all of the dangerous javascript has been removed.
 *
 * @codeGenApi
 */
export function ɵɵsanitizeUrl(unsafeUrl) {
    const sanitizer = getSanitizer();
    if (sanitizer) {
        return sanitizer.sanitize(SecurityContext.URL, unsafeUrl) || '';
    }
    if (allowSanitizationBypassAndThrow(unsafeUrl, "URL" /* BypassType.Url */)) {
        return unwrapSafeValue(unsafeUrl);
    }
    return _sanitizeUrl(renderStringify(unsafeUrl));
}
/**
 * A `url` sanitizer which only lets trusted `url`s through.
 *
 * This passes only `url`s marked trusted by calling {@link bypassSanitizationTrustResourceUrl}.
 *
 * @param unsafeResourceUrl untrusted `url`, typically from the user.
 * @returns `url` string which is safe to bind to the `src` properties such as ``, because
 * only trusted `url`s have been allowed to pass.
 *
 * @codeGenApi
 */
export function ɵɵsanitizeResourceUrl(unsafeResourceUrl) {
    const sanitizer = getSanitizer();
    if (sanitizer) {
        return trustedScriptURLFromStringBypass(sanitizer.sanitize(SecurityContext.RESOURCE_URL, unsafeResourceUrl) || '');
    }
    if (allowSanitizationBypassAndThrow(unsafeResourceUrl, "ResourceURL" /* BypassType.ResourceUrl */)) {
        return trustedScriptURLFromStringBypass(unwrapSafeValue(unsafeResourceUrl));
    }
    throw new RuntimeError(904 /* RuntimeErrorCode.UNSAFE_VALUE_IN_RESOURCE_URL */, ngDevMode && `unsafe value used in a resource URL context (see ${XSS_SECURITY_URL})`);
}
/**
 * A `script` sanitizer which only lets trusted javascript through.
 *
 * This passes only `script`s marked trusted by calling {@link
 * bypassSanitizationTrustScript}.
 *
 * @param unsafeScript untrusted `script`, typically from the user.
 * @returns `url` string which is safe to bind to the `