mirror of
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135 lines
3.5 KiB
JavaScript
135 lines
3.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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const mimeCategoryMap = {
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"text/plain": "txt",
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"application/octet-stream": "bin",
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"text/html": "html",
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"text/xml": "html",
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"application/xml": "html",
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"application/rss+xml": "html",
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"application/atom+xml": "html",
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"application/xhtml+xml": "html",
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"application/mathml+xml": "html",
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"application/rdf+xml": "html",
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"text/css": "css",
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"application/x-javascript": "js",
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"text/javascript": "js",
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"application/javascript": "js",
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"text/ecmascript": "js",
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"application/ecmascript": "js",
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"image/jpeg": "image",
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"image/jpg": "image",
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"image/gif": "image",
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"image/png": "image",
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"image/bmp": "image",
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"application/x-shockwave-flash": "plugin",
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"application/x-silverlight-app": "plugin",
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"video/x-flv": "media",
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"audio/mpeg3": "media",
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"audio/x-mpeg-3": "media",
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"video/mpeg": "media",
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"video/x-mpeg": "media",
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"video/webm": "media",
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"video/mp4": "media",
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"video/ogg": "media",
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"audio/ogg": "media",
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"application/ogg": "media",
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"application/x-ogg": "media",
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"application/x-midi": "media",
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"audio/midi": "media",
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"audio/x-mid": "media",
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"audio/x-midi": "media",
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"music/crescendo": "media",
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"audio/wav": "media",
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"audio/x-wav": "media",
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"application/x-woff": "font",
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"application/font-woff": "font",
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"application/x-font-woff": "font",
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"application/x-ttf": "font",
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"application/x-font-ttf": "font",
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"font/ttf": "font",
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"font/woff": "font",
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"application/x-otf": "font",
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"application/x-font-otf": "font"
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};
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var NetUtils = {};
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NetUtils.isImage = function (contentType) {
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if (!contentType) {
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return false;
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}
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contentType = contentType.split(";")[0];
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contentType = contentType.trim();
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return mimeCategoryMap[contentType] == "image";
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};
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NetUtils.isHTML = function (contentType) {
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if (!contentType) {
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return false;
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}
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contentType = contentType.split(";")[0];
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contentType = contentType.trim();
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return mimeCategoryMap[contentType] == "html";
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};
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NetUtils.getHeaderValue = function (headers, name) {
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if (!headers) {
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return null;
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}
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name = name.toLowerCase();
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for (let i = 0; i < headers.length; ++i) {
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let headerName = headers[i].name.toLowerCase();
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if (headerName == name) {
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return headers[i].value;
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}
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}
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};
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NetUtils.parseXml = function (content) {
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let contentType = content.mimeType.split(";")[0];
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contentType = contentType.trim();
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let parser = new DOMParser();
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let doc = parser.parseFromString(content.text, contentType);
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let root = doc.documentElement;
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// Error handling
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let nsURI = "http://www.mozilla.org/newlayout/xml/parsererror.xml";
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if (root.namespaceURI == nsURI && root.nodeName == "parsererror") {
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return null;
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}
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return doc;
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};
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NetUtils.isURLEncodedRequest = function (file) {
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let mimeType = "application/x-www-form-urlencoded";
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let postData = file.request.postData;
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if (postData && postData.text) {
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let text = postData.text.toLowerCase();
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if (text.startsWith("content-type: " + mimeType)) {
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return true;
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}
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}
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let value = NetUtils.getHeaderValue(file.request.headers, "content-type");
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return value && value.startsWith(mimeType);
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};
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NetUtils.isMultiPartRequest = function (file) {
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let mimeType = "multipart/form-data";
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let value = NetUtils.getHeaderValue(file.request.headers, "content-type");
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return value && value.startsWith(mimeType);
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};
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// Exports from this module
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module.exports = NetUtils;
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