298 lines
8.5 KiB
JavaScript
298 lines
8.5 KiB
JavaScript
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/**
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* Identifier extraction 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 Extract = {
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/**
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* Runs search operations across the input data using refular expressions.
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*
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* @private
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* @param {string} input
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* @param {RegExp} search_regex
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* @param {RegExp} remove_regex - A regular expression defining results to remove from the
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* final list
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* @param {boolean} include_total - Whether or not to include the total number of results
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* @returns {string}
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*/
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_search: function(input, search_regex, remove_regex, include_total) {
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var output = "",
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total = 0,
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match;
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while (!!(match = search_regex.exec(input))) {
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if (remove_regex && remove_regex.test(match[0]))
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continue;
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total++;
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output += match[0] + "\n";
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}
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if (include_total)
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output = "Total found: " + total + "\n\n" + output;
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return output;
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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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MIN_STRING_LEN: 3,
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/**
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* @constant
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* @default
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*/
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DISPLAY_TOTAL: false,
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/**
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* Strings operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_strings: function(input, args) {
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var min_len = args[0] || Extract.MIN_STRING_LEN,
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display_total = args[1],
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strings = "[A-Z\\d/\\-:.,_$%'\"()<>= !\\[\\]{}@]",
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regex = new RegExp(strings + "{" + min_len + ",}", "ig");
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return Extract._search(input, regex, null, display_total);
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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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INCLUDE_IPV4: true,
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/**
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* @constant
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* @default
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*/
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INCLUDE_IPV6: false,
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/**
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* @constant
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* @default
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*/
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REMOVE_LOCAL: false,
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/**
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* Extract IP addresses operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_ip: function(input, args) {
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var include_ipv4 = args[0],
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include_ipv6 = args[1],
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remove_local = args[2],
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display_total = args[3],
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ipv4 = "(?:(?:\\d|[01]?\\d\\d|2[0-4]\\d|25[0-5])\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d\\d|\\d)(?:\\/\\d{1,2})?",
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ipv6 = "((?=.*::)(?!.*::.+::)(::)?([\\dA-F]{1,4}:(:|\\b)|){5}|([\\dA-F]{1,4}:){6})((([\\dA-F]{1,4}((?!\\3)::|:\\b|(?![\\dA-F])))|(?!\\2\\3)){2}|(((2[0-4]|1\\d|[1-9])?\\d|25[0-5])\\.?\\b){4})",
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ips = "";
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if (include_ipv4 && include_ipv6) {
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ips = ipv4 + "|" + ipv6;
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} else if (include_ipv4) {
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ips = ipv4;
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} else if (include_ipv6) {
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ips = ipv6;
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}
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if (ips) {
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var regex = new RegExp(ips, "ig");
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if (remove_local) {
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var ten = "10\\..+",
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oneninetwo = "192\\.168\\..+",
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oneseventwo = "172\\.(?:1[6-9]|2\\d|3[01])\\..+",
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onetwoseven = "127\\..+",
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remove_regex = new RegExp("^(?:" + ten + "|" + oneninetwo +
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"|" + oneseventwo + "|" + onetwoseven + ")");
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return Extract._search(input, regex, remove_regex, display_total);
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} else {
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return Extract._search(input, regex, null, display_total);
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}
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} else {
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return "";
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}
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},
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/**
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* Extract email addresses operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_email: function(input, args) {
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var display_total = args[0],
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regex = /\w[-.\w]*@[-\w]+(?:\.[-\w]+)*\.[A-Z]{2,4}/ig;
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return Extract._search(input, regex, null, display_total);
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},
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/**
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* Extract MAC addresses operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_mac: function(input, args) {
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var display_total = args[0],
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regex = /[A-F\d]{2}(?:[:-][A-F\d]{2}){5}/ig;
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return Extract._search(input, regex, null, display_total);
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},
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/**
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* Extract URLs operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_urls: function(input, args) {
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var display_total = args[0],
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protocol = "[A-Z]+://",
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hostname = "[-\\w]+(?:\\.\\w[-\\w]*)+",
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port = ":\\d+",
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path = "/[^.!,?;\"'<>()\\[\\]{}\\s\\x7F-\\xFF]*";
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path += "(?:[.!,?]+[^.!,?;\"'<>()\\[\\]{}\\s\\x7F-\\xFF]+)*";
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var regex = new RegExp(protocol + hostname + "(?:" + port +
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")?(?:" + path + ")?", "ig");
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return Extract._search(input, regex, null, display_total);
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},
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/**
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* Extract domains operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_domains: function(input, args) {
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var display_total = args[0],
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protocol = "https?://",
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hostname = "[-\\w\\.]+",
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tld = "\\.(?:com|net|org|biz|info|co|uk|onion|int|mobi|name|edu|gov|mil|eu|ac|ae|af|de|ca|ch|cn|cy|es|gb|hk|il|in|io|tv|me|nl|no|nz|ro|ru|tr|us|az|ir|kz|uz|pk)+",
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regex = new RegExp("(?:" + protocol + ")?" + hostname + tld, "ig");
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return Extract._search(input, regex, null, display_total);
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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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INCLUDE_WIN_PATH: true,
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/**
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* @constant
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* @default
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*/
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INCLUDE_UNIX_PATH: true,
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/**
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* Extract file paths operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_file_paths: function(input, args) {
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var include_win_path = args[0],
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include_unix_path = args[1],
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display_total = args[2],
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win_drive = "[A-Z]:\\\\",
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win_name = "[A-Z\\d][A-Z\\d\\- '_\\(\\)]{0,61}",
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win_ext = "[A-Z\\d]{1,6}",
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win_path = win_drive + "(?:" + win_name + "\\\\?)*" + win_name +
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"(?:\\." + win_ext + ")?",
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unix_path = "(?:/[A-Z\\d.][A-Z\\d\\-.]{0,61})+",
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file_paths = "";
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if (include_win_path && include_unix_path) {
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file_paths = win_path + "|" + unix_path;
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} else if (include_win_path) {
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file_paths = win_path;
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} else if (include_unix_path) {
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file_paths = unix_path;
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}
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if (file_paths) {
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var regex = new RegExp(file_paths, "ig");
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return Extract._search(input, regex, null, display_total);
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} else {
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return "";
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}
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},
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/**
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* Extract dates operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_dates: function(input, args) {
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var display_total = args[0],
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date1 = "(?:19|20)\\d\\d[- /.](?:0[1-9]|1[012])[- /.](?:0[1-9]|[12][0-9]|3[01])", // yyyy-mm-dd
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date2 = "(?:0[1-9]|[12][0-9]|3[01])[- /.](?:0[1-9]|1[012])[- /.](?:19|20)\\d\\d", // dd/mm/yyyy
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date3 = "(?:0[1-9]|1[012])[- /.](?:0[1-9]|[12][0-9]|3[01])[- /.](?:19|20)\\d\\d", // mm/dd/yyyy
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regex = new RegExp(date1 + "|" + date2 + "|" + date3, "ig");
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return Extract._search(input, regex, null, display_total);
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},
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/**
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* Extract all identifiers operation.
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*
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run_all_idents: function(input, args) {
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var output = "";
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output += "IP addresses\n";
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output += Extract.run_ip(input, [true, true, false]);
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output += "\nEmail addresses\n";
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output += Extract.run_email(input, []);
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output += "\nMAC addresses\n";
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output += Extract.run_mac(input, []);
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output += "\nURLs\n";
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output += Extract.run_urls(input, []);
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output += "\nDomain names\n";
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output += Extract.run_domains(input, []);
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output += "\nFile paths\n";
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output += Extract.run_file_paths(input, [true, true]);
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output += "\nDates\n";
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output += Extract.run_dates(input, []);
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return output;
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},
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};
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