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index.js
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const Database = require('better-sqlite3');
const debug = require('debug')('udger-nodejs');
const Address6 = require('ip-address').Address6;
const Address4 = require('ip-address').Address4;
const utils = require('./utils');
const fs = require('fs-extra');
const dotProp = require('dot-prop');
const path = require('path');
const RandExp = require('randexp');
/** Class exposing udger parser methods */
class UdgerParser {
/**
* Load udger SQLite3 database.
* @param {string} file - full path to udgerdb_v3.dat
*/
constructor(file) {
this.db = new Database(file, { readonly: true, fileMustExist: true });
this.file = file;
this.ip = null;
this.ua = null;
this.cacheEnable = false;
this.cacheMaxRecords = 4000;
this.cache = {};
this.keyCache = '';
this.defaultRet = fs.readJsonSync(path.resolve(__dirname+'/defaultResult.json'));
this.retUa = {};
this.retIp = {};
}
/**
* Connect (reconnect) sqlite database
* @return {Boolean} true if db has been opened, false if already connected
*/
connect() {
if (!this.db) {
this.db = new Database(this.file, { readonly: true, fileMustExist: true });
return true;
}
return false;
}
/**
* Disconnect sqlite database, avoid read/write conflict
* see https://github.com/udger/udger-updater-nodejs/issues/5
* @return {Boolean} true if db has been closed, false if no db opened
*/
disconnect() {
if (this.db) {
this.db.close();
this.db = null;
return true;
}
return false;
}
/**
* Initialize User-Agent or IP(v4/v6), or both
* @param {Object} data - An object
* @param {String} data.ua - User-Agent
* @param {String} data.ip - IP Address
*/
set(data) {
const help = 'set() is waiting for an object having only ip and/or ua attribute';
if (!data) {
throw new Error(help);
}
if (typeof data === 'string') {
throw new Error(help);
}
for (const key in data) {
if (key === 'ua') {
this.ua = data.ua;
} else if (key === 'ip') {
this.ip = data.ip.toLowerCase();
} else {
throw new Error(help);
}
}
this.keyCache = '';
if (this.cacheEnable) {
if (this.ip) this.keyCache = this.ip;
if (this.ua) this.keyCache += this.ua;
}
this.retUa = JSON.parse(JSON.stringify(this.defaultRet['user_agent']));
this.retIp = JSON.parse(JSON.stringify(this.defaultRet['ip_address']));
}
/**
* Activate cache
* @param {Boolean} cache - true or false
*/
setCacheEnable(cache) {
this.cacheEnable = cache;
}
/**
* Return if the cache is enable or not
* @return {Boolean} true if the cache is enable, false if not
*/
isCacheEnable() {
return this.cacheEnable;
}
/**
* Set Cache Size
* @param {Number} records - the maximum number of items we want to keep in the cache
*/
setCacheSize(records) {
this.cacheMaxRecords = records;
}
/**
* Check if a key exist in the cache
* @param {Number} key - key can be UA or UA+IP
* @return {Boolean} return true if the key exist in the cache, false if not
*/
cacheKeyExist(key) {
if (this.cache[key]) {
return true;
}
return false;
}
/**
* Return an item from the cache
* @param {String} key - key can be UA or UA+IP
* @return {Object} stored parser result
*/
cacheRead(key, opts) {
const ret = this.cache[key];
if (opts && opts.json) {
if (opts.full) {
ret['fromCache'] = true;
}
} else {
ret['from_cache'] = true;
}
return ret;
}
/**
* Write an item into the cache
* @param {String} key - key can be UA or UA+IP
*/
cacheWrite(key, data) {
if (this.cache[key]) {
// already in the cache
return;
}
this.cache[key] = data;
debug('cache: store result of %s (length=%s)', key);
debug('cache: entries count: %s/%s', (Object.keys(this.cache).length || 0), this.cacheMaxRecords);
// warning, js object is used for performance reason
// as opposite of php object, we can not use splice/pop stuff here
// so, when an entry must be remove because the cache is full, we
// can not determine which one will be removed
while (Object.keys(this.cache).length > this.cacheMaxRecords) {
debug('cache: removing entry', Object.keys(this.cache)[0]);
delete this.cache[Object.keys(this.cache)[0]];
}
}
/**
* Clean the cache
*/
cacheClean() {
this.cache = {};
}
/**
* Parse the User-Agent string
* @param {String} ua - An User-Agent string
*/
parseUa(ua, opts) {
const rua = JSON.parse(JSON.stringify(this.retUa));
const ruaJson = {};
if (!ua) return {
udger: rua,
json: ruaJson
};
let q;
let r;
let e;
let client_id = 0;
let client_class_id = -1;
let os_id = 0;
let deviceclass_id = 0;
debug('parse useragent string: START (useragent: ' + ua + ')');
rua['ua_string'] = ua;
rua['ua_class'] = 'Unrecognized';
rua['ua_class_code'] = 'unrecognized';
dotProp.set(ruaJson, 'ua.string', ua);
if (opts.full) {
dotProp.set(ruaJson, 'ua.class.name', 'Unrecognized');
dotProp.set(ruaJson, 'ua.class.code', 'unrecognized');
} else {
dotProp.set(ruaJson, 'ua.class', 'unrecognized');
}
////////////////////////////////////////////////
// search for crawlers
////////////////////////////////////////////////
q = this.db.prepare(
'SELECT ' +
'udger_crawler_list.id as botid,' +
'name, ver, ver_major, last_seen, respect_robotstxt,' +
'family, family_code, family_homepage, family_icon,' +
'vendor, vendor_code, vendor_homepage,' +
'crawler_classification, crawler_classification_code ' +
'FROM udger_crawler_list ' +
'LEFT JOIN udger_crawler_class ON udger_crawler_class.id=udger_crawler_list.class_id ' +
'WHERE ua_string=?'
);
r = q.get(ua);
if (r) {
debug('parse useragent string: crawler found');
client_class_id = 99;
// UDGER FORMAT
rua['ua_class'] = 'Crawler';
rua['ua_class_code'] = 'crawler';
rua['ua'] = r['name'] || '';
rua['ua_version'] = r['ver'] || '';
rua['ua_version_major'] = r['ver_major'] || '';
rua['ua_family'] = r['family'] || '';
rua['ua_family_code'] = r['family_code'] || '';
rua['ua_family_homepage'] = r['family_homepage'] || '';
rua['ua_family_vendor'] = r['vendor'] || '';
rua['ua_family_vendor_code'] = r['vendor_code'] || '';
rua['ua_family_vendor_homepage'] = r['vendor_homepage'] || '';
rua['ua_family_icon'] = r['family_icon'] || '';
rua['ua_family_info_url'] = 'https://udger.com/resources/ua-list/bot-detail?bot=' + (r['family'] || '') + '#id' + (r['botid'] || '');
rua['crawler_last_seen'] = r['last_seen'] || '';
rua['crawler_category'] = r['crawler_classification'] || '';
rua['crawler_category_code'] = r['crawler_classification_code'] || '';
rua['crawler_respect_robotstxt'] = r['respect_robotstxt'] || '';
// JSON FORMAT
rua['ua'] && dotProp.set(ruaJson, 'ua.name', rua['ua']);
if (opts.full) {
dotProp.set(ruaJson, 'ua.class.name', 'Crawler');
dotProp.set(ruaJson, 'ua.class.code', 'crawler');
rua['ua_version'] && dotProp.set(ruaJson, 'ua.version.current', rua['ua_version']);
rua['ua_version_major'] && dotProp.set(ruaJson, 'ua.version.major', rua['ua_version_major']);
rua['ua_family'] && dotProp.set(ruaJson, 'ua.family.name', rua['ua_family']);
rua['ua_family_code'] && dotProp.set(ruaJson, 'ua.family.code', rua['ua_family_code']);
rua['ua_family_homepage'] && dotProp.set(ruaJson, 'ua.family.homepage', rua['ua_family_homepage']);
rua['ua_family_vendor'] && dotProp.set(ruaJson, 'ua.family.vendor.name', rua['ua_family_vendor']);
rua['ua_family_vendor_code'] && dotProp.set(ruaJson, 'ua.family.vendor.code', rua['ua_family_vendor_code']);
rua['ua_family_homepage'] && dotProp.set(ruaJson, 'ua.family.vendor.homepage', rua['ua_family_homepage']);
rua['ua_family_icon'] && dotProp.set(ruaJson, 'ua.family.icon', rua['ua_family_icon']);
rua['ua_family'] && r['botid'] && dotProp.set(ruaJson, 'ua.family.infoUrl', rua['ua_family_info_url']);
} else {
dotProp.set(ruaJson, 'ua.class', 'crawler');
rua['ua_family_code'] && dotProp.set(ruaJson, 'ua.family.code', rua['ua_family_code']);
rua['ua_family_homepage'] && dotProp.set(ruaJson, 'ua.family.homepage', rua['ua_family_homepage']);
rua['ua_family_vendor_code'] && dotProp.set(ruaJson, 'ua.family.vendor', rua['ua_family_vendor_code']);
}
rua['crawler_last_seen'] && dotProp.set(ruaJson, 'crawler.lastSeen', rua['crawler_last_seen']);
if (opts.full) {
rua['crawler_category'] && dotProp.set(ruaJson, 'crawler.category.name', rua['crawler_category']);
rua['crawler_category_code'] && dotProp.set(ruaJson, 'crawler.category.code', rua['crawler_category_code']);
rua['crawler_respect_robotstxt'] && dotProp.set(ruaJson, 'crawler.respectRobotsTxt', rua['crawler_respect_robotstxt']);
} else {
rua['crawler_category_code'] && dotProp.set(ruaJson, 'crawler.category', rua['crawler_category_code']);
}
} else {
q = this.db.prepare(
'SELECT class_id,client_id,regstring,name,name_code,homepage,icon,icon_big,engine,vendor,vendor_code,vendor_homepage,uptodate_current_version,client_classification,client_classification_code ' +
'FROM udger_client_regex ' +
'JOIN udger_client_list ON udger_client_list.id=udger_client_regex.client_id ' +
'JOIN udger_client_class ON udger_client_class.id=udger_client_list.class_id ' +
'ORDER BY sequence ASC'
);
for (r of q.iterate()) {
e = ua.match(utils.phpRegexpToJs(r['regstring']));
if (e) {
debug('parse useragent string: client found');
client_id = r['client_id'];
client_class_id = r['class_id'];
rua['ua_class'] = r['client_classification'];
rua['ua_class_code'] = r['client_classification_code'];
if (opts.full) {
dotProp.set(ruaJson, 'ua.class.name', rua['ua_class']);
dotProp.set(ruaJson, 'ua.class.code', rua['ua_class_code']);
} else {
dotProp.set(ruaJson, 'ua.class', rua['ua_class_code']);
}
if (e[1]) {
rua['ua'] = r['name'] + ' ' + e[1];
rua['ua_version'] = e[1];
rua['ua_version_major'] = e[1].split('.')[0];
} else {
rua['ua'] = r['name'];
rua['ua_version'] = '';
rua['ua_version_major'] = '';
}
if (rua['ua']) {
dotProp.set(ruaJson, 'ua.name', rua['ua']);
} else {
dotProp.delete(ruaJson, 'ua.name');
}
if (opts.full) {
if (rua['ua_version']) {
dotProp.set(ruaJson, 'ua.version.current', rua['ua_version']);
} else {
dotProp.delete(ruaJson, 'ua.version.current');
}
if (rua['ua_version_major']) {
dotProp.set(ruaJson, 'ua.version.current', rua['ua_version_major']);
} else {
dotProp.delete(ruaJson, 'ua.version.current');
}
}
rua['ua_uptodate_current_version'] = r['uptodate_current_version'] || '';
rua['ua_family'] = r['name'] || '';
rua['ua_family_code'] = r['name_code'] || '';
rua['ua_family_homepage'] = r['homepage'] || '';
rua['ua_family_vendor'] = r['vendor'] || '';
rua['ua_family_vendor_code'] = r['vendor_code'] || '';
rua['ua_family_vendor_homepage'] = r['vendor_homepage'] || '';
rua['ua_family_icon'] = r['icon'] || '';
rua['ua_family_icon_big'] = r['icon_big'] || '';
rua['ua_family_info_url'] = 'https://udger.com/resources/ua-list/browser-detail?browser=' + (r['name'] || '');
rua['ua_engine'] = r['engine'] || '';
if (opts.full) {
rua['ua_uptodate_current_version'] && dotProp.set(ruaJson, 'ua.uptodateCurrentVersion', rua['ua_uptodate_current_version']);
rua['ua_family'] && dotProp.set(ruaJson, 'ua.family.name', rua['ua_family']);
rua['ua_family_code'] && dotProp.set(ruaJson, 'ua.family.code', rua['ua_family_code']);
rua['ua_family_homepage'] && dotProp.set(ruaJson, 'ua.family.homepage', rua['ua_family_homepage']);
rua['ua_family_vendor'] && dotProp.set(ruaJson, 'ua.family.vendor.name', rua['ua_family_vendor']);
rua['ua_family_vendor_code'] && dotProp.set(ruaJson, 'ua.family.vendor.code', rua['ua_family_vendor_code']);
rua['ua_family_vendor_homepage'] && dotProp.set(ruaJson, 'ua.family.vendor.homepage', rua['ua_family_vendor_homepage']);
rua['ua_family_icon'] && dotProp.set(ruaJson, 'ua.family.icon', rua['ua_family_icon']);
rua['ua_family_icon_big'] && dotProp.set(ruaJson, 'ua.family.iconBig', rua['ua_family_icon_big']);
if (r['name']) {
dotProp.set(ruaJson, 'ua.family.infoUrl', rua['ua_family_info_url']);
}
} else {
rua['ua_family_code'] && dotProp.set(ruaJson, 'ua.family', rua['ua_family_code']);
}
rua['ua_engine'] && dotProp.set(ruaJson, 'ua.engine', rua['ua_engine']);
break;
}
}
}
////////////////////////////////////////////////
// os
////////////////////////////////////////////////
q = this.db.prepare(
'SELECT os_id,regstring,family,family_code,name,name_code,homepage,icon,icon_big,vendor,vendor_code,vendor_homepage ' +
'FROM udger_os_regex ' +
'JOIN udger_os_list ON udger_os_list.id=udger_os_regex.os_id ' +
'ORDER BY sequence ASC'
);
for (r of q.iterate()) {
e = ua.match(utils.phpRegexpToJs(r['regstring']));
if (e) {
debug('parse useragent string: os found');
os_id = r['os_id'];
rua['os'] = r['name'] || '';
rua['os_code'] = r['name_code'] || '';
rua['os_homepage'] = r['homepage'] || '';
rua['os_icon'] = r['icon'] || '';
rua['os_icon_big'] = r['icon_big'] || '';
rua['os_info_url'] = 'https://udger.com/resources/ua-list/os-detail?os=' + (r['name'] || '');
rua['os_family'] = r['family'] || '';
rua['os_family_code'] = r['family_code'] || '';
rua['os_family_vendor'] = r['vendor'] || '';
rua['os_family_vendor_code'] = r['vendor_code'] || '';
rua['os_family_vendor_homepage'] = r['vendor_homepage'] || '';
if (opts.full) {
rua['os'] && dotProp.set(ruaJson, 'os.name', rua['os']);
rua['os_code'] && dotProp.set(ruaJson, 'os.code', rua['os_code']);
rua['os_homepage'] && dotProp.set(ruaJson, 'os.homepage', rua['os_homepage']);
rua['os_icon'] && dotProp.set(ruaJson, 'os.icon', rua['os_icon']);
rua['os_icon_big'] && dotProp.set(ruaJson, 'os.iconBig', rua['os_icon_big']);
rua['os_info_url'] && dotProp.set(ruaJson, 'os.infoUrl', rua['os_info_url']);
rua['os_family'] && dotProp.set(ruaJson, 'os.family.name', rua['os_family']);
rua['os_family_code'] && dotProp.set(ruaJson, 'os.family.code', rua['os_family_code']);
rua['os_family_vendor'] && dotProp.set(ruaJson, 'os.family.vendor.name', rua['os_family_vendor']);
rua['os_family_vendor_code'] && dotProp.set(ruaJson, 'os.family.vendor.code', rua['os_family_vendor_code']);
rua['os_family_vendor_homepage'] && dotProp.set(ruaJson, 'os.family.vendor.homepage', rua['os_family_vendor_homepage']);
} else {
rua['os_code'] && dotProp.set(ruaJson, 'os.code', rua['os_code']);
rua['os_family_code'] && dotProp.set(ruaJson, 'os.family', rua['os_family_code']);
}
break;
}
}
////////////////////////////////////////////////
// client/os relation
////////////////////////////////////////////////
if (os_id == 0 && client_id != 0) {
q = this.db.prepare(
'SELECT os_id,family,family_code,name,name_code,homepage,icon,icon_big,vendor,vendor_code,vendor_homepage ' +
'FROM udger_client_os_relation ' +
'JOIN udger_os_list ON udger_os_list.id=udger_client_os_relation.os_id ' +
'WHERE client_id=?'
);
r = q.get(client_id);
if (r) {
debug('parse useragent string: client os relation found');
os_id = r['os_id'];
rua['os'] = r['name'] || '';
rua['os_code'] = r['name_code'] || '';
rua['os_homepage'] = r['homepage'] || '';
rua['os_icon'] = r['icon'] || '';
rua['os_icon_big'] = r['icon_big'] || '';
rua['os_info_url'] = 'https://udger.com/resources/ua-list/os-detail?os=' + (r['name'] || '');
rua['os_family'] = r['family'] || '';
rua['os_family_code'] = r['family_code'] || '';
rua['os_family_vendor'] = r['vendor'] || '';
rua['os_family_vendor_code'] = r['vendor_code'] || '';
rua['os_family_vendor_homepage'] = r['vendor_homepage'] || '';
rua['os'] && dotProp.set(ruaJson, 'os.name', rua['os']);
rua['os_code'] && dotProp.set(ruaJson, 'os.code', rua['os_code']);
rua['os_homepage'] && dotProp.set(ruaJson, 'os.homepage', rua['os_homepage']);
rua['os_icon'] && dotProp.set(ruaJson, 'os.icon', rua['os_icon']);
rua['os_icon_big'] && dotProp.set(ruaJson, 'os.iconBig', rua['os_icon_big']);
rua['os_info_url'] && dotProp.set(ruaJson, 'os.infoUrl', rua['os_info_url']);
rua['os_family'] && dotProp.set(ruaJson, 'os.family.name', rua['os_family']);
rua['os_family_code'] && dotProp.set(ruaJson, 'os.family.code', rua['os_family_code']);
rua['os_family_vendor'] && dotProp.set(ruaJson, 'os.family.vendor.name', rua['os_family_vendor']);
rua['os_family_vendor_code'] && dotProp.set(ruaJson, 'os.family.vendor.code', rua['os_family_vendor_code']);
rua['os_family_vendor_homepage'] && dotProp.set(ruaJson, 'os.family.vendor.homepage', rua['os_family_vendor_homepage']);
}
}
////////////////////////////////////////////////
// device
////////////////////////////////////////////////
q = this.db.prepare(
'SELECT deviceclass_id,regstring,name,name_code,icon,icon_big ' +
'FROM udger_deviceclass_regex ' +
'JOIN udger_deviceclass_list ON udger_deviceclass_list.id=udger_deviceclass_regex.deviceclass_id ' +
'ORDER BY sequence ASC'
);
for (r of q.iterate()) {
e = ua.match(utils.phpRegexpToJs(r['regstring']));
if (e) {
debug('parse useragent string: device found by regex');
deviceclass_id = r['deviceclass_id'];
rua['device_class'] = r['name'] || '';
rua['device_class_code'] = r['name_code'] || '';
rua['device_class_icon'] = r['icon'] || '';
rua['device_class_icon_big'] = r['icon_big'] || '';
rua['device_class_info_url'] = 'https://udger.com/resources/ua-list/device-detail?device=' + r['name'];
if (opts.full) {
rua['device_class'] && dotProp.set(ruaJson, 'device.class.name', rua['device_class']);
rua['device_class_code'] && dotProp.set(ruaJson, 'device.class.code', rua['device_class_code']);
rua['device_class_icon'] && dotProp.set(ruaJson, 'device.class.icon', rua['device_class_icon']);
rua['device_class_icon_big'] && dotProp.set(ruaJson, 'device.class.iconBig', rua['device_class_icon_big']);
rua['device_class_info_url'] && dotProp.set(ruaJson, 'device.class.infoUrl', rua['device_class_info_url']);
} else {
rua['device_class_code'] && dotProp.set(ruaJson, 'device.class', rua['device_class_code']);
}
break;
}
}
if (deviceclass_id == 0 && client_class_id != -1) {
q = this.db.prepare(
'SELECT deviceclass_id,name,name_code,icon,icon_big ' +
'FROM udger_deviceclass_list ' +
'JOIN udger_client_class ON udger_client_class.deviceclass_id=udger_deviceclass_list.id ' +
'WHERE udger_client_class.id=?'
);
r = q.get(client_class_id);
if (r) {
debug('parse useragent string: device found by deviceclass');
deviceclass_id = r['deviceclass_id'];
rua['device_class'] = r['name'] || '';
rua['device_class_code'] = r['name_code'] || '';
rua['device_class_icon'] = r['icon'] || '';
rua['device_class_icon_big'] = r['icon_big'] || '';
rua['device_class_info_url'] = 'https://udger.com/resources/ua-list/device-detail?device=' + (r['name'] || '');
if (opts.full) {
rua['device_class'] && dotProp.set(ruaJson, 'device.class.name', rua['device_class']);
rua['device_class_code'] && dotProp.set(ruaJson, 'device.class.code', rua['device_class_code']);
rua['device_class_icon'] && dotProp.set(ruaJson, 'device.class.icon', rua['device_class_icon']);
rua['device_class_icon_big'] && dotProp.set(ruaJson, 'device.class.iconBig', rua['device_class_icon_big']);
rua['device_class_info_url'] && dotProp.set(ruaJson, 'device.class.infoUrl', rua['device_class_info_url']);
} else {
rua['device_class_code'] && dotProp.set(ruaJson, 'device.class', rua['device_class_code']);
}
}
}
////////////////////////////////////////////////
// device marketname
////////////////////////////////////////////////
if (rua['os_family_code']) {
q = this.db.prepare(
'SELECT id,regstring FROM udger_devicename_regex ' +
'WHERE (' +
'(os_family_code=? AND os_code=\'-all-\') OR ' +
'(os_family_code=? AND os_code=?)' +
') ' +
'ORDER BY sequence'
);
const bindParams = [
rua['os_family_code'],
rua['os_family_code'],
rua['os_code']
];
let match;
let rId;
for (const r of q.iterate(bindParams)) {
e = ua.match(utils.phpRegexpToJs(r['regstring']));
if (e && e[1]) {
match = e[1].trim();
rId = r['id'];
break;
}
}
const qC = this.db.prepare(
'SELECT marketname,brand_code,brand,brand_url,icon,icon_big ' +
'FROM udger_devicename_list ' +
'JOIN udger_devicename_brand ON udger_devicename_brand.id=udger_devicename_list.brand_id ' +
'WHERE regex_id=? AND code=?'
);
const rC = qC.get(rId, match);
if (rC) {
debug('parse useragent string: device marketname found');
rua['device_marketname'] = rC['marketname'] || '';
rua['device_brand'] = rC['brand'] || '';
rua['device_brand_code'] = rC['brand_code'] || '';
rua['device_brand_homepage'] = rC['brand_url'] || '';
rua['device_brand_icon'] = rC['icon'] || '';
rua['device_brand_icon_big'] = rC['icon_big'] || '';
rua['device_brand_info_url'] = 'https://udger.com/resources/ua-list/devices-brand-detail?brand=' + (rC['brand_code'] || '');
rua['device_marketname'] && dotProp.set(ruaJson, 'device.marketName', rua['device_marketname']);
rua['device_brand'] && dotProp.set(ruaJson, 'device.brand.name', rua['device_brand']);
rua['device_brand_code'] && dotProp.set(ruaJson, 'device.brand.code', rua['device_brand_code']);
rua['device_brand_homepage'] && dotProp.set(ruaJson, 'device.brand.homepage', rua['device_brand_homepage']);
rua['device_brand_icon'] && dotProp.set(ruaJson, 'device.brand.icon', rua['device_brand_icon']);
rua['device_brand_icon_big'] && dotProp.set(ruaJson, 'device.brand.iconBig', rua['device_brand_icon_big']);
rua['device_brand_info_url'] && dotProp.set(ruaJson, 'device.brand.infoUrl', rua['device_brand_info_url']);
}
}
debug('parse useragent string: END, unset useragent string');
return {
udger:rua,
json:ruaJson
};
}
/**
* Parse the IP Address
* @param {String} ip - An IPv4 or IPv6 Address
*/
parseIp(ip, opts) {
const rip = JSON.parse(JSON.stringify(this.retIp));
const ripJson = {};
if (!ip) return {
udger:rip,
json:ripJson
};
let q;
let r;
let ipInt;
let ipa;
debug('parse IP address: START (IP: ' + ip + ')');
rip['ip'] = ip;
dotProp.set(ripJson, 'ip', ip);
const ipver = utils.getIpVersion(ip);
if (ipver === 4 || ipver === 6) {
if (ipver === 6) {
ip = utils.inetNtop(utils.inetPton(ip));
debug('compress IP address is:' + ip);
}
}
rip['ip_ver'] = ipver;
if (opts.full) {
dotProp.set(ripJson, 'version', ipver);
}
q = this.db.prepare(
'SELECT udger_crawler_list.id as botid, ip_last_seen, ip_hostname, ip_country, ip_city, ' +
'ip_country_code, ip_classification, ip_classification_code, name, ver, ver_major, last_seen, '+
'respect_robotstxt, family, family_code, family_homepage, family_icon, vendor, vendor_code, '+
'vendor_homepage, crawler_classification, crawler_classification_code '+
'FROM udger_ip_list '+
'JOIN udger_ip_class ON udger_ip_class.id=udger_ip_list.class_id '+
'LEFT JOIN udger_crawler_list ON udger_crawler_list.id=udger_ip_list.crawler_id '+
'LEFT JOIN udger_crawler_class ON udger_crawler_class.id=udger_crawler_list.class_id '+
'WHERE ip=? ORDER BY sequence'
);
r = q.get(ip);
if (r) {
// UDGER FORMAT
rip['ip_classification'] = r['ip_classification'] || '';
rip['ip_classification_code'] = r['ip_classification_code'] || '';
rip['ip_last_seen'] = r['ip_last_seen'] || '';
rip['ip_hostname'] = r['ip_hostname'] || '';
rip['ip_country'] = r['ip_country'] || '';
rip['ip_country_code'] = r['ip_country_code'] || '';
rip['ip_city'] = r['ip_city'] || '';
rip['crawler_name'] = r['name'] || '';
rip['crawler_ver'] = r['ver'] || '';
rip['crawler_ver_major'] = r['ver_major'] || '';
rip['crawler_family'] = r['family'] || '';
rip['crawler_family_code'] = r['family_code'] || '';
rip['crawler_family_homepage'] = r['family_homepage'] || '';
rip['crawler_family_vendor'] = r['vendor'] || '';
rip['crawler_family_vendor_code'] = r['vendor_code'] || '';
rip['crawler_family_vendor_homepage'] = r['vendor_homepage'] || '';
rip['crawler_family_icon'] = r['family_icon'] || '';
if (r['ip_classification_code'] === 'crawler') {
rip['crawler_family_info_url'] = 'https://udger.com/resources/ua-list/bot-detail?bot=' + (r['family'] || '') + '#id' + (r['botid']|| '');
}
rip['crawler_last_seen'] = r['last_seen'] || '';
rip['crawler_category'] = r['crawler_classification'] || '';
rip['crawler_category_code'] = r['crawler_classification_code'] || '';
rip['crawler_respect_robotstxt'] = r['respect_robotstxt'] || '';
// JSON FORMAT
if (opts.full) {
rip['ip_classification'] && dotProp.set(ripJson, 'classification.name', rip['ip_classification']);
rip['ip_classification_code'] && dotProp.set(ripJson, 'classification.code', rip['ip_classification_code']);
} else {
rip['ip_classification_code'] && dotProp.set(ripJson, 'classification', rip['ip_classification_code']);
}
rip['ip_last_seen'] && dotProp.set(ripJson, 'lastSeen', rip['ip_last_seen']);
rip['ip_hostname'] && dotProp.set(ripJson, 'hostname', rip['ip_hostname']);
rip['ip_country'] && dotProp.set(ripJson, 'geo.country.name', rip['ip_country']);
rip['ip_country_code'] && dotProp.set(ripJson, 'geo.country.code', rip['ip_country_code']);
rip['ip_city'] && dotProp.set(ripJson, 'geo.city', rip['ip_city']);
rip['crawler_name'] && dotProp.set(ripJson, 'crawler.name', rip['crawler_name']);
if (opts.full) {
rip['crawler_ver'] && dotProp.set(ripJson, 'crawler.version.current', rip['crawler_ver']);
rip['crawler_ver_major'] && dotProp.set(ripJson, 'crawler.version.major', rip['crawler_ver_major']);
rip['crawler_family'] && dotProp.set(ripJson, 'crawler.family.name', rip['crawler_family']);
rip['crawler_family_code'] && dotProp.set(ripJson, 'crawler.family.code', rip['crawler_family_code']);
rip['crawler_family_homepage'] && dotProp.set(ripJson, 'crawler.family.homepage', rip['crawler_family_homepage']);
rip['crawler_family_vendor'] && dotProp.set(ripJson, 'crawler.family.vendor.name', rip['crawler_family_vendor']);
rip['crawler_family_vendor_code'] && dotProp.set(ripJson, 'crawler.family.vendor.code', rip['crawler_family_vendor_code']);
rip['crawler_family_vendor_homepage'] && dotProp.set(ripJson, 'crawler.family.vendor.homepage', rip['crawler_family_vendor_homepage']);
rip['crawler_family_icon'] && dotProp.set(ripJson, 'crawler.family.icon', rip['crawler_family_icon']);
if (r['ip_classification_code'] === 'crawler') {
rip['crawler_family_info_url'] && dotProp.set(ripJson, 'crawler.family.infoUrl', rip['crawler_family_info_url']);
}
rip['crawler_last_seen'] && dotProp.set(ripJson, 'crawler.lastSeen', rip['crawler_last_seen']);
rip['crawler_category'] && dotProp.set(ripJson, 'crawler.category.name', rip['crawler_category']);
rip['crawler_category_code'] && dotProp.set(ripJson, 'crawler.category.code', rip['crawler_category_code']);
rip['crawler_respect_robotstxt'] && dotProp.set(ripJson, 'crawler.respectRobotsTxt', rip['crawler_category_code']);
} else {
rip['crawler_family_code'] && dotProp.set(ripJson, 'crawler.family', rip['crawler_family_code']);
rip['crawler_category_code'] && dotProp.set(ripJson, 'crawler.category', rip['crawler_category_code']);
rip['crawler_last_seen'] && dotProp.set(ripJson, 'crawler.lastSeen', rip['crawler_last_seen']);
}
} else {
rip['ip_classification'] = 'Unrecognized';
rip['ip_classification_code'] = 'unrecognized';
if (opts.full) {
dotProp.set(ripJson, 'classification.name', rip['ip_classification']);
dotProp.set(ripJson, 'classification.code', rip['ip_classification_code']);
} else {
dotProp.set(ripJson, 'classification', rip['ip_classification_code']);
}
}
if (ipver === 4) {
ipInt = utils.ip2long(ip);
q = this.db.prepare(
'SELECT name, name_code, homepage '+
'FROM udger_datacenter_range '+
'JOIN udger_datacenter_list ON udger_datacenter_range.datacenter_id=udger_datacenter_list.id '+
'WHERE iplong_from <=? AND iplong_to >=?'
);
r = q.get(ipInt, ipInt);
if (r) {
rip['datacenter_name'] = r['name'] || '';
rip['datacenter_name_code'] = r['name_code'] || '';
rip['datacenter_homepage'] = r['homepage'] || '';
if (opts.full) {
rip['datacenter_name'] && dotProp.set(ripJson, 'datacenter.name', rip['datacenter_name']);
rip['datacenter_name_code'] && dotProp.set(ripJson, 'datacenter.code', rip['datacenter_name_code']);
rip['datacenter_homepage'] && dotProp.set(ripJson, 'datacenter.homepage', rip['datacenter_homepage']);
} else {
rip['datacenter_name_code'] && dotProp.set(ripJson, 'datacenter', rip['datacenter_name_code']);
}
}
} else if (ipver === 6) {
ipa = new Address6(ip);
const t = ipa.canonicalForm().split(':');
const ipInts = {};
t.forEach((h, i) => {
ipInts['ipInt'+i] = parseInt(h, 16);
});
q = this.db.prepare(
'SELECT name, name_code, homepage '+
'FROM udger_datacenter_range6 '+
'JOIN udger_datacenter_list ON udger_datacenter_range6.datacenter_id=udger_datacenter_list.id '+
'WHERE '+
'iplong_from0 <= @ipInt0 AND iplong_to0 >= @ipInt0 AND '+
'iplong_from1 <= @ipInt1 AND iplong_to1 >= @ipInt1 AND '+
'iplong_from2 <= @ipInt2 AND iplong_to2 >= @ipInt2 AND '+
'iplong_from3 <= @ipInt3 AND iplong_to3 >= @ipInt3 AND '+
'iplong_from4 <= @ipInt4 AND iplong_to4 >= @ipInt4 AND '+
'iplong_from5 <= @ipInt5 AND iplong_to5 >= @ipInt5 AND '+
'iplong_from6 <= @ipInt6 AND iplong_to6 >= @ipInt6 AND '+
'iplong_from7 <= @ipInt7 AND iplong_to7 >= @ipInt7'
);
r = q.get(ipInts);
if (r) {
rip['datacenter_name'] = r['name'] || '';
rip['datacenter_name_code'] = r['name_code'] || '';
rip['datacenter_homepage'] = r['homepage'] || '';
if (opts.full) {
rip['datacenter_name'] && dotProp.set(ripJson, 'datacenter.name', rip['datacenter_name']);
rip['datacenter_name_code'] && dotProp.set(ripJson, 'datacenter.code', rip['datacenter_name_code']);
rip['datacenter_homepage'] && dotProp.set(ripJson, 'datacenter.homepage', rip['datacenter_homepage']);
} else {
rip['datacenter_name_code'] && dotProp.set(ripJson, 'datacenter', rip['datacenter_name_code']);
}
}
}
debug('parse IP address: END');
return {
udger:rip,
json:ripJson
};
}
/**
* Main parser
* @return {Object} Parsing result
*/
parse(opts) {
if (!this.db) return {};
if (
this.isCacheEnable() &&
this.cacheKeyExist(this.keyCache)
) {
return this.cacheRead(this.keyCache, opts);
}
const ret = {};
if (!opts) opts = {};
if (opts.json) {
if (this.ua) ret.userAgent =this.parseUa(this.ua, opts).json;
if (this.ip) ret.ipAddress = this.parseIp(this.ip, opts).json;
if (opts.full) ret.fromCache = false;
} else {
ret['user_agent'] = this.parseUa(this.ua, opts).udger;
ret['ip_address'] = this.parseIp(this.ip, opts).udger;
ret['from_cache'] = false;
}
if (this.isCacheEnable()) {
this.cacheWrite(this.keyCache, ret);
}
return ret;
}
randomSanityChecks(max, callback) {
if (!this.db) {
callback(new Error('Database not ready'));
return false;
}
if (!max) {
callback(new Error('Please specify maximum number of records'));
return false;
}
if (typeof max!= 'number') {
callback(new Error('Maximum number of records is not a number'));
return false;
}
return true;
}
randomUACrawlers(max, callback) {
if (!this.randomSanityChecks(max, callback)) return;
const q = this.db.prepare(
'SELECT ua_string FROM udger_crawler_list ORDER BY RANDOM() LIMIT ?'
);
callback(null, q.all(max));
return;
}
randomUAClientsRegex(max, callback) {
if (!this.randomSanityChecks(max, callback)) return;
const q = this.db.prepare(
'SELECT regstring FROM udger_client_regex ORDER BY RANDOM() LIMIT ?'
);
callback(null, q.all(max));
return;
}
randomUAClients(max, callback) {
if (!this.randomSanityChecks(max, callback)) return;
this.randomUAClientsRegex(max, (err, results) => {
let regex;
let regexClean;
let randomUA;
let re;
let reClean;
for (let i = 0, len=results.length; i<len; i++) {
regex = new RegExp(results[i].regstring);
regexClean = results[i].regstring.replace(/^\//, '');
regexClean = regexClean.replace(/\/si$/, '');
reClean = new RegExp(regexClean);
re = new RandExp(reClean);
re.max = 5; // limit random for * and +
re.defaultRange.subtract(32, 126); // remove defaults random chars
re.defaultRange.add(43, 43); // add +
re.defaultRange.add(45, 46); // add . and -
re.defaultRange.add(48, 57); // add 0-9
re.defaultRange.add(97, 122); // add a-z
re.defaultRange.add(65, 90); // add A-Z
randomUA = re.gen();
results[i].randomUA = randomUA;
/*
if (!randomUA.match(reClean)) {
console.log('original',results[i].regstring);
console.log('clean',regexClean);
console.log('ua',ua);
console.log('result',randomUA.match(new RegExp(regexClean)));
}
*/
}
callback(null, results);
});
}
randomIPv4(max, callback) {
if (!this.randomSanityChecks(max, callback)) return;
const q = this.db.prepare(
'SELECT ip FROM udger_ip_list WHERE ip LIKE \'%.%.%.%\' ORDER BY RANDOM() LIMIT ?'
);
callback(null, q.all(max));
return;
}
getUAClientsClassification(callback) {
if (!this.db) {
callback(new Error('Database not ready'));
return false;
}
const q = this.db.prepare(
'SELECT client_classification, client_classification_code FROM udger_client_class'
);
callback(null, q.all());
return;
}
getUACrawlersClassification(callback) {
if (!this.db) {
callback(new Error('Database not ready'));
return false;
}
const q = this.db.prepare(
'SELECT crawler_classification, crawler_classification_code FROM udger_crawler_class'
);
callback(null, q.all());
return;
}