55 lines
1.8 KiB
JavaScript
55 lines
1.8 KiB
JavaScript
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/**
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* Copyright 2009 Google Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS-IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var HTML_ENTITY_MAP = {
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'&': '&'
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, '<': '<'
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, '>': '>'
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, '"': '"'
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, "'": '''
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, '/': '/'
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};
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// OSWASP Guidlines: &, <, >, ", ' plus forward slash.
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var HTML_CHARACTERS_EXPRESSION = /[&"'<>\/]/g;
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function escapeHTML(text) {
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return text && text.replace(HTML_CHARACTERS_EXPRESSION, function (c) {
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return HTML_ENTITY_MAP[c] || c;
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});
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}
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// OSWASP Guidlines: escape all non alphanumeric characters in ASCII space.
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var HTML_ATTRIBUTE_CHARACTERS_EXPRESSION =
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/[\x00-\x2F\x3A-\x40\5B-\x60\x7B-\xFF]/g;
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function escapeHTMLAttribute(text) {
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return text && text.replace(HTML_ATTRIBUTE_CHARACTERS_EXPRESSION, function (c) {
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return "&#x" + ('00' + c.charCodeAt(0).toString(16)).slice(-2) + ";";
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});
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};
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// OSWASP Guidlines: escape all non alphanumeric characters in ASCII space.
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var JAVASCRIPT_CHARACTERS_EXPRESSION =
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/[\x00-\x2F\x3A-\x40\5B-\x60\x7B-\xFF]/g;
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function escapeJavaScriptData(text) {
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return text && text.replace(JAVASCRIPT_CHARACTERS_EXPRESSION, function (c) {
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return "\\x" + ('00' + c.charCodeAt(0).toString(16)).slice(-2);
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});
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}
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exports.escapeHTML = escapeHTML;
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exports.escapeHTMLAttribute = escapeHTMLAttribute;
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exports.escapeJavaScriptData = escapeJavaScriptData;
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