758 lines
30 KiB
HTML
Executable File
758 lines
30 KiB
HTML
Executable File
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<div class="col-md-12">
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<h1 class="page-title">Source: operations/FileType.js</h1>
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<section>
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<article>
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<pre
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class="sunlight-highlight-javascript linenums">/**
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* File type operations.
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*
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*
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* @namespace
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*/
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var FileType = {
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/**
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* Detect File Type operation.
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*
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* @param {byte_array} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_detect: function(input, args) {
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var type = FileType._magic_type(input);
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if (!type) {
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return "Unknown file type. Have you tried checking the entropy of this data to determine whether it might be encrypted or compressed?";
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} else {
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var output = "File extension: " + type.ext + "\n" +
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"MIME type: " + type.mime;
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if (type.desc && type.desc.length) {
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output += "\nDescription: " + type.desc;
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}
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return output;
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}
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},
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/**
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* @constant
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* @default
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*/
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IGNORE_COMMON_BYTE_SEQUENCES: true,
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/**
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* Scan for Embedded Files operation.
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*
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* @param {byte_array} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_scan_for_embedded_files: function(input, args) {
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var output = "Scanning data for 'magic bytes' which may indicate embedded files. The following results may be false positives and should not be treat as reliable. Any suffiently long file is likely to contain these magic bytes coincidentally.\n",
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type,
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ignore_common = args[0],
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common_exts = ["ico", "ttf", ""],
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num_found = 0,
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num_common_found = 0;
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for (var i = 0; i < input.length; i++) {
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type = FileType._magic_type(input.slice(i));
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if (type) {
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if (ignore_common && common_exts.indexOf(type.ext) > -1) {
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num_common_found++;
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continue;
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}
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num_found++;
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output += "\nOffset " + i + " (0x" + Utils.hex(i) + "):\n" +
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" File extension: " + type.ext + "\n" +
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" MIME type: " + type.mime + "\n";
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if (type.desc && type.desc.length) {
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output += " Description: " + type.desc + "\n";
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}
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}
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}
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if (num_found === 0) {
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output += "\nNo embedded files were found.";
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}
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if (num_common_found > 0) {
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output += "\n\n" + num_common_found;
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output += num_common_found == 1 ?
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" file type was detected that has a common byte sequence. This is likely to be a false positive." :
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" file types were detected that have common byte sequences. These are likely to be false positives.";
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output += " Run this operation with the 'Ignore common byte sequences' option unchecked to see details.";
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}
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return output;
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},
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/**
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* Given a buffer, detects magic byte sequences at specific positions and returns the
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* extension and mime type.
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*
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* @private
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* @param {byte_array} buf
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* @returns {Object} type
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* @returns {string} type.ext - File extension
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* @returns {string} type.mime - Mime type
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* @returns {string} [type.desc] - Description
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*/
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_magic_type: function (buf) {
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if (!(buf && buf.length > 1)) {
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return null;
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}
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if (buf[0] === 0xFF && buf[1] === 0xD8 && buf[2] === 0xFF) {
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return {
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ext: 'jpg',
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mime: 'image/jpeg'
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};
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}
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if (buf[0] === 0x89 && buf[1] === 0x50 && buf[2] === 0x4E && buf[3] === 0x47) {
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return {
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ext: 'png',
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mime: 'image/png'
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};
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}
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if (buf[0] === 0x47 && buf[1] === 0x49 && buf[2] === 0x46) {
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return {
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ext: 'gif',
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mime: 'image/gif'
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};
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}
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if (buf[8] === 0x57 && buf[9] === 0x45 && buf[10] === 0x42 && buf[11] === 0x50) {
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return {
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ext: 'webp',
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mime: 'image/webp'
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};
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}
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// needs to be before `tif` check
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if (((buf[0] === 0x49 && buf[1] === 0x49 && buf[2] === 0x2A && buf[3] === 0x0) || (buf[0] === 0x4D && buf[1] === 0x4D && buf[2] === 0x0 && buf[3] === 0x2A)) && buf[8] === 0x43 && buf[9] === 0x52) {
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return {
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ext: 'cr2',
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mime: 'image/x-canon-cr2'
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};
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}
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if ((buf[0] === 0x49 && buf[1] === 0x49 && buf[2] === 0x2A && buf[3] === 0x0) || (buf[0] === 0x4D && buf[1] === 0x4D && buf[2] === 0x0 && buf[3] === 0x2A)) {
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return {
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ext: 'tif',
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mime: 'image/tiff'
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};
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}
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if (buf[0] === 0x42 && buf[1] === 0x4D) {
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return {
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ext: 'bmp',
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mime: 'image/bmp'
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};
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}
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if (buf[0] === 0x49 && buf[1] === 0x49 && buf[2] === 0xBC) {
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return {
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ext: 'jxr',
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mime: 'image/vnd.ms-photo'
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};
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}
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if (buf[0] === 0x38 && buf[1] === 0x42 && buf[2] === 0x50 && buf[3] === 0x53) {
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return {
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ext: 'psd',
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mime: 'image/vnd.adobe.photoshop'
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};
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}
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// needs to be before `zip` check
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if (buf[0] === 0x50 && buf[1] === 0x4B && buf[2] === 0x3 && buf[3] === 0x4 && buf[30] === 0x6D && buf[31] === 0x69 && buf[32] === 0x6D && buf[33] === 0x65 && buf[34] === 0x74 && buf[35] === 0x79 && buf[36] === 0x70 && buf[37] === 0x65 && buf[38] === 0x61 && buf[39] === 0x70 && buf[40] === 0x70 && buf[41] === 0x6C && buf[42] === 0x69 && buf[43] === 0x63 && buf[44] === 0x61 && buf[45] === 0x74 && buf[46] === 0x69 && buf[47] === 0x6F && buf[48] === 0x6E && buf[49] === 0x2F && buf[50] === 0x65 && buf[51] === 0x70 && buf[52] === 0x75 && buf[53] === 0x62 && buf[54] === 0x2B && buf[55] === 0x7A && buf[56] === 0x69 && buf[57] === 0x70) {
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return {
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ext: 'epub',
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mime: 'application/epub+zip'
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};
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}
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if (buf[0] === 0x50 && buf[1] === 0x4B && (buf[2] === 0x3 || buf[2] === 0x5 || buf[2] === 0x7) && (buf[3] === 0x4 || buf[3] === 0x6 || buf[3] === 0x8)) {
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return {
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ext: 'zip',
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mime: 'application/zip'
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};
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}
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if (buf[257] === 0x75 && buf[258] === 0x73 && buf[259] === 0x74 && buf[260] === 0x61 && buf[261] === 0x72) {
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return {
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ext: 'tar',
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mime: 'application/x-tar'
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};
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}
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if (buf[0] === 0x52 && buf[1] === 0x61 && buf[2] === 0x72 && buf[3] === 0x21 && buf[4] === 0x1A && buf[5] === 0x7 && (buf[6] === 0x0 || buf[6] === 0x1)) {
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return {
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ext: 'rar',
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mime: 'application/x-rar-compressed'
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};
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}
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if (buf[0] === 0x1F && buf[1] === 0x8B && buf[2] === 0x8) {
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return {
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ext: 'gz',
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mime: 'application/gzip'
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};
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}
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if (buf[0] === 0x42 && buf[1] === 0x5A && buf[2] === 0x68) {
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return {
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ext: 'bz2',
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mime: 'application/x-bzip2'
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};
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}
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if (buf[0] === 0x37 && buf[1] === 0x7A && buf[2] === 0xBC && buf[3] === 0xAF && buf[4] === 0x27 && buf[5] === 0x1C) {
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return {
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ext: '7z',
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mime: 'application/x-7z-compressed'
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};
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}
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if (buf[0] === 0x78 && buf[1] === 0x01) {
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return {
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ext: 'dmg',
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mime: 'application/x-apple-diskimage'
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};
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}
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if ((buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && (buf[3] === 0x18 || buf[3] === 0x20) && buf[4] === 0x66 && buf[5] === 0x74 && buf[6] === 0x79 && buf[7] === 0x70) || (buf[0] === 0x33 && buf[1] === 0x67 && buf[2] === 0x70 && buf[3] === 0x35) || (buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && buf[3] === 0x1C && buf[4] === 0x66 && buf[5] === 0x74 && buf[6] === 0x79 && buf[7] === 0x70 && buf[8] === 0x6D && buf[9] === 0x70 && buf[10] === 0x34 && buf[11] === 0x32 && buf[16] === 0x6D && buf[17] === 0x70 && buf[18] === 0x34 && buf[19] === 0x31 && buf[20] === 0x6D && buf[21] === 0x70 && buf[22] === 0x34 && buf[23] === 0x32 && buf[24] === 0x69 && buf[25] === 0x73 && buf[26] === 0x6F && buf[27] === 0x6D)) {
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return {
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ext: 'mp4',
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mime: 'video/mp4'
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};
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}
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if ((buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && buf[3] === 0x1C && buf[4] === 0x66 && buf[5] === 0x74 && buf[6] === 0x79 && buf[7] === 0x70 && buf[8] === 0x4D && buf[9] === 0x34 && buf[10] === 0x56)) {
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return {
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ext: 'm4v',
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mime: 'video/x-m4v'
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};
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}
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if (buf[0] === 0x4D && buf[1] === 0x54 && buf[2] === 0x68 && buf[3] === 0x64) {
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return {
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ext: 'mid',
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mime: 'audio/midi'
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};
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}
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// needs to be before the `webm` check
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if (buf[31] === 0x6D && buf[32] === 0x61 && buf[33] === 0x74 && buf[34] === 0x72 && buf[35] === 0x6f && buf[36] === 0x73 && buf[37] === 0x6B && buf[38] === 0x61) {
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return {
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ext: 'mkv',
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mime: 'video/x-matroska'
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};
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}
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if (buf[0] === 0x1A && buf[1] === 0x45 && buf[2] === 0xDF && buf[3] === 0xA3) {
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return {
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ext: 'webm',
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mime: 'video/webm'
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};
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}
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if (buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x0 && buf[3] === 0x14 && buf[4] === 0x66 && buf[5] === 0x74 && buf[6] === 0x79 && buf[7] === 0x70) {
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return {
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ext: 'mov',
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mime: 'video/quicktime'
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};
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}
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if (buf[0] === 0x52 && buf[1] === 0x49 && buf[2] === 0x46 && buf[3] === 0x46 && buf[8] === 0x41 && buf[9] === 0x56 && buf[10] === 0x49) {
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return {
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ext: 'avi',
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mime: 'video/x-msvideo'
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};
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}
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if (buf[0] === 0x30 && buf[1] === 0x26 && buf[2] === 0xB2 && buf[3] === 0x75 && buf[4] === 0x8E && buf[5] === 0x66 && buf[6] === 0xCF && buf[7] === 0x11 && buf[8] === 0xA6 && buf[9] === 0xD9) {
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return {
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ext: 'wmv',
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mime: 'video/x-ms-wmv'
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};
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}
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if (buf[0] === 0x0 && buf[1] === 0x0 && buf[2] === 0x1 && buf[3].toString(16)[0] === 'b') {
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return {
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ext: 'mpg',
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mime: 'video/mpeg'
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};
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}
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if ((buf[0] === 0x49 && buf[1] === 0x44 && buf[2] === 0x33) || (buf[0] === 0xFF && buf[1] === 0xfb)) {
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return {
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ext: 'mp3',
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mime: 'audio/mpeg'
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|
};
|
|
}
|
|
|
|
if ((buf[4] === 0x66 && buf[5] === 0x74 && buf[6] === 0x79 && buf[7] === 0x70 && buf[8] === 0x4D && buf[9] === 0x34 && buf[10] === 0x41) || (buf[0] === 0x4D && buf[1] === 0x34 && buf[2] === 0x41 && buf[3] === 0x20)) {
|
|
return {
|
|
ext: 'm4a',
|
|
mime: 'audio/m4a'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x4F && buf[1] === 0x67 && buf[2] === 0x67 && buf[3] === 0x53) {
|
|
return {
|
|
ext: 'ogg',
|
|
mime: 'audio/ogg'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x66 && buf[1] === 0x4C && buf[2] === 0x61 && buf[3] === 0x43) {
|
|
return {
|
|
ext: 'flac',
|
|
mime: 'audio/x-flac'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x52 && buf[1] === 0x49 && buf[2] === 0x46 && buf[3] === 0x46 && buf[8] === 0x57 && buf[9] === 0x41 && buf[10] === 0x56 && buf[11] === 0x45) {
|
|
return {
|
|
ext: 'wav',
|
|
mime: 'audio/x-wav'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x23 && buf[1] === 0x21 && buf[2] === 0x41 && buf[3] === 0x4D && buf[4] === 0x52 && buf[5] === 0x0A) {
|
|
return {
|
|
ext: 'amr',
|
|
mime: 'audio/amr'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x25 && buf[1] === 0x50 && buf[2] === 0x44 && buf[3] === 0x46) {
|
|
return {
|
|
ext: 'pdf',
|
|
mime: 'application/pdf'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x4D && buf[1] === 0x5A) {
|
|
return {
|
|
ext: 'exe',
|
|
mime: 'application/x-msdownload'
|
|
};
|
|
}
|
|
|
|
if ((buf[0] === 0x43 || buf[0] === 0x46) && buf[1] === 0x57 && buf[2] === 0x53) {
|
|
return {
|
|
ext: 'swf',
|
|
mime: 'application/x-shockwave-flash'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x7B && buf[1] === 0x5C && buf[2] === 0x72 && buf[3] === 0x74 && buf[4] === 0x66) {
|
|
return {
|
|
ext: 'rtf',
|
|
mime: 'application/rtf'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x77 && buf[1] === 0x4F && buf[2] === 0x46 && buf[3] === 0x46 && buf[4] === 0x00 && buf[5] === 0x01 && buf[6] === 0x00 && buf[7] === 0x00) {
|
|
return {
|
|
ext: 'woff',
|
|
mime: 'application/font-woff'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x77 && buf[1] === 0x4F && buf[2] === 0x46 && buf[3] === 0x32 && buf[4] === 0x00 && buf[5] === 0x01 && buf[6] === 0x00 && buf[7] === 0x00) {
|
|
return {
|
|
ext: 'woff2',
|
|
mime: 'application/font-woff'
|
|
};
|
|
}
|
|
|
|
if (buf[34] === 0x4C && buf[35] === 0x50 && ((buf[8] === 0x02 && buf[9] === 0x00 && buf[10] === 0x01) || (buf[8] === 0x01 && buf[9] === 0x00 && buf[10] === 0x00) || (buf[8] === 0x02 && buf[9] === 0x00 && buf[10] === 0x02))) {
|
|
return {
|
|
ext: 'eot',
|
|
mime: 'application/octet-stream'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x00 && buf[1] === 0x01 && buf[2] === 0x00 && buf[3] === 0x00 && buf[4] === 0x00) {
|
|
return {
|
|
ext: 'ttf',
|
|
mime: 'application/font-sfnt'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x4F && buf[1] === 0x54 && buf[2] === 0x54 && buf[3] === 0x4F && buf[4] === 0x00) {
|
|
return {
|
|
ext: 'otf',
|
|
mime: 'application/font-sfnt'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x00 && buf[1] === 0x00 && buf[2] === 0x01 && buf[3] === 0x00) {
|
|
return {
|
|
ext: 'ico',
|
|
mime: 'image/x-icon'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x46 && buf[1] === 0x4C && buf[2] === 0x56 && buf[3] === 0x01) {
|
|
return {
|
|
ext: 'flv',
|
|
mime: 'video/x-flv'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x25 && buf[1] === 0x21) {
|
|
return {
|
|
ext: 'ps',
|
|
mime: 'application/postscript'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0xFD && buf[1] === 0x37 && buf[2] === 0x7A && buf[3] === 0x58 && buf[4] === 0x5A && buf[5] === 0x00) {
|
|
return {
|
|
ext: 'xz',
|
|
mime: 'application/x-xz'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x53 && buf[1] === 0x51 && buf[2] === 0x4C && buf[3] === 0x69) {
|
|
return {
|
|
ext: 'sqlite',
|
|
mime: 'application/x-sqlite3'
|
|
};
|
|
}
|
|
|
|
// Added by n1474335 [n1474335@gmail.com] from here on
|
|
// ################################################################## //
|
|
if ((buf[0] === 0x1F && buf[1] === 0x9D) || (buf[0] === 0x1F && buf[1] === 0xA0)) {
|
|
return {
|
|
ext: 'z, tar.z',
|
|
mime: 'application/x-gtar'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x7F && buf[1] === 0x45 && buf[2] === 0x4C && buf[3] === 0x46) {
|
|
return {
|
|
ext: 'none, axf, bin, elf, o, prx, puff, so',
|
|
mime: 'application/x-executable',
|
|
desc: 'Executable and Linkable Format file. No standard file extension.'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0xCA && buf[1] === 0xFE && buf[2] === 0xBA && buf[3] === 0xBE) {
|
|
return {
|
|
ext: 'class',
|
|
mime: 'application/java-vm'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0xEF && buf[1] === 0xBB && buf[2] === 0xBF) {
|
|
return {
|
|
ext: 'txt',
|
|
mime: 'text/plain',
|
|
desc: 'UTF-8 encoded Unicode byte order mark detected, commonly but not exclusively seen in text files.'
|
|
};
|
|
}
|
|
|
|
// Must be before Little-endian UTF-16 BOM
|
|
if (buf[0] === 0xFF && buf[1] === 0xFE && buf[2] === 0x00 && buf[3] === 0x00) {
|
|
return {
|
|
ext: '',
|
|
mime: '',
|
|
desc: 'Little-endian UTF-32 encoded Unicode byte order mark detected.'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0xFF && buf[1] === 0xFE) {
|
|
return {
|
|
ext: '',
|
|
mime: '',
|
|
desc: 'Little-endian UTF-16 encoded Unicode byte order mark detected.'
|
|
};
|
|
}
|
|
|
|
if ((buf[0x8001] === 0x43 && buf[0x8002] === 0x44 && buf[0x8003] === 0x30 && buf[0x8004] === 0x30 && buf[0x8005] === 0x31) ||
|
|
(buf[0x8801] === 0x43 && buf[0x8802] === 0x44 && buf[0x8803] === 0x30 && buf[0x8804] === 0x30 && buf[0x8805] === 0x31) ||
|
|
(buf[0x9001] === 0x43 && buf[0x9002] === 0x44 && buf[0x9003] === 0x30 && buf[0x9004] === 0x30 && buf[0x9005] === 0x31)) {
|
|
return {
|
|
ext: 'iso',
|
|
mime: 'application/octet-stream',
|
|
desc: 'ISO 9660 CD/DVD image file'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0xD0 && buf[1] === 0xCF && buf[2] === 0x11 && buf[3] === 0xE0 && buf[4] === 0xA1 && buf[5] === 0xB1 && buf[6] === 0x1A && buf[7] === 0xE1) {
|
|
return {
|
|
ext: 'doc, xls, ppt',
|
|
mime: 'application/msword, application/vnd.ms-excel, application/vnd.ms-powerpoint',
|
|
desc: 'Microsoft Office documents'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x64 && buf[1] === 0x65 && buf[2] === 0x78 && buf[3] === 0x0A && buf[4] === 0x30 && buf[5] === 0x33 && buf[6] === 0x35 && buf[7] === 0x00) {
|
|
return {
|
|
ext: 'dex',
|
|
mime: 'application/octet-stream',
|
|
desc: 'Dalvik Executable (Android)'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x4B && buf[1] === 0x44 && buf[2] === 0x4D) {
|
|
return {
|
|
ext: 'vmdk',
|
|
mime: 'application/vmdk, application/x-virtualbox-vmdk'
|
|
};
|
|
}
|
|
|
|
if (buf[0] === 0x43 && buf[1] === 0x72 && buf[2] === 0x32 && buf[3] == 0x34) {
|
|
return {
|
|
ext: 'crx',
|
|
mime: 'application/crx',
|
|
desc: 'Google Chrome extension or packaged app'
|
|
};
|
|
}
|
|
|
|
return null;
|
|
},
|
|
|
|
};
|
|
</pre>
|
|
</article>
|
|
</section>
|
|
|
|
|
|
|
|
|
|
|
|
</div>
|
|
</div>
|
|
|
|
<div class="clearfix"></div>
|
|
|
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|
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</div>
|
|
</div>
|
|
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|
|
|
<div class="modal fade" id="searchResults">
|
|
<div class="modal-dialog">
|
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<div class="modal-content">
|
|
<div class="modal-header">
|
|
<button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button>
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<h4 class="modal-title">Search results</h4>
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</div>
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<div class="modal-body"></div>
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<div class="modal-footer">
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<button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
|
|
</div>
|
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</div><!-- /.modal-content -->
|
|
</div><!-- /.modal-dialog -->
|
|
</div>
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|
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|
|
|
<footer>
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|
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|
|
<span class="copyright">
|
|
© Crown Copyright 2016
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</span>
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|
|
<span class="jsdoc-message">
|
|
Documentation generated by <a href="https://github.com/jsdoc3/jsdoc">JSDoc 3.4.3</a>
|
|
|
|
on Mon Nov 28th 2016
|
|
|
|
using the <a href="https://github.com/docstrap/docstrap">DocStrap template</a>.
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</span>
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</footer>
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<script src="scripts/docstrap.lib.js"></script>
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<script src="scripts/toc.js"></script>
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<script type="text/javascript" src="scripts/fulltext-search-ui.js"></script>
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<script>
|
|
$( function () {
|
|
$( "[id*='$']" ).each( function () {
|
|
var $this = $( this );
|
|
|
|
$this.attr( "id", $this.attr( "id" ).replace( "$", "__" ) );
|
|
} );
|
|
|
|
$( ".tutorial-section pre, .readme-section pre, pre.prettyprint.source" ).each( function () {
|
|
var $this = $( this );
|
|
|
|
var example = $this.find( "code" );
|
|
exampleText = example.html();
|
|
var lang = /{@lang (.*?)}/.exec( exampleText );
|
|
if ( lang && lang[1] ) {
|
|
exampleText = exampleText.replace( lang[0], "" );
|
|
example.html( exampleText );
|
|
lang = lang[1];
|
|
} else {
|
|
var langClassMatch = example.parent()[0].className.match(/lang\-(\S+)/);
|
|
lang = langClassMatch ? langClassMatch[1] : "javascript";
|
|
}
|
|
|
|
if ( lang ) {
|
|
|
|
$this
|
|
.addClass( "sunlight-highlight-" + lang )
|
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.addClass( "linenums" )
|
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.html( example.html() );
|
|
|
|
}
|
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} );
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Sunlight.highlightAll( {
|
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lineNumbers : true,
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showMenu : true,
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enableDoclinks : true
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} );
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$.catchAnchorLinks( {
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navbarOffset: 10
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} );
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$( "#toc" ).toc( {
|
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anchorName : function ( i, heading, prefix ) {
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return $( heading ).attr( "id" ) || ( prefix + i );
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},
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selectors : "#toc-content h1,#toc-content h2,#toc-content h3,#toc-content h4",
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showAndHide : false,
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smoothScrolling: true
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} );
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$( "#main span[id^='toc']" ).addClass( "toc-shim" );
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$( '.dropdown-toggle' ).dropdown();
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$( "table" ).each( function () {
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var $this = $( this );
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$this.addClass('table');
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$(document).ready(function() {
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