acme-dns-01-namecheap.js/lib/index.js

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'use strict';
var util = require('util');
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var request; // = require('@root/request');
var parseString = require('xml2js').parseString;
parseString = util.promisify(parseString);
const SANDBOX_URL = 'https://api.sandbox.namecheap.com/xml.response';
const PRODUCTION_URL = 'https://api.namecheap.com/xml.response';
var defaults = {
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baseUrl: PRODUCTION_URL
};
function extend(obj) {
var newObj = {};
for (var i in obj) {
if (obj.hasOwnProperty(i)) {
newObj[i] = obj[i];
}
}
return newObj;
}
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function assign(obj1,obj2) {
for (var attrname in obj2) { obj1[attrname] = obj2[attrname]; }
}
function requestUrl(baseUrl, params) {
var queryString = Object.keys(params).map(function (key) {
return encodeURIComponent(key) + '=' + encodeURIComponent(params[key]);
}).join('&');
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// console.debug(queryString);
return baseUrl + '?' + queryString;
}
module.exports.create = function (config) {
// config = { baseUrl, token }
var baseUrl = config.baseUrl || defaults.baseUrl;
var globalParams = {
apiUser: config.apiUser,
apiKey: config.apiKey,
username: config.username,
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ClientIp: config.clientIp
};
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function api(command, params) {
var requestParams = extend(globalParams);
requestParams['Command'] = command;
assign(requestParams,params);
var url = requestUrl(baseUrl, requestParams);
// console.log(url);
return request({
method: 'POST',
url: url,
}).then(function (response) {
var responseBody = response.body;
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// console.log(responseBody);
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return parseString(responseBody).then(function (result) {
// check response status
if (result['ApiResponse']['$']['Status'] === 'ERROR') {
for (let i = 0; i < result['ApiResponse']['Errors'].length; i++) {
console.log(result['ApiResponse']['Errors'][i])
}
throw new Error('API Error');
} else { // Status="OK"
return result['ApiResponse']['CommandResponse'][0]
}
});
});
}
return {
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init: function (deps) {
request = deps.request;
return null;
},
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zones: function(data) {
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return api('namecheap.domains.getList',{}).then(function (zonesResponse) {
// console.log('zones');
// console.log(zonesResponse);
return zonesResponse['DomainGetListResult'].map(function (x) {
return x['Domain'][0]['$']['Name'];
});
});
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},
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set: function (data) {
var ch = data.challenge;
var txt = ch.dnsAuthorization;
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var params = {};
var zone = ch.dnsZone;
// the domain is the first part
params['SLD'] = zone.split('.')[0];
// the rest of the components are the TLD
params['TLD'] = zone.split('.').splice(1).join('.');
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// setting a host record overwrites all existing,
// adding a new records means you've have to send back all previous records too
return api('namecheap.domains.dns.getHosts',params).then(function (hostsResponse) {
var currentHostRecordsCount = hostsResponse['DomainDNSGetHostsResult'][0]['host'].length;
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for (var i = 0; i < currentHostRecordsCount; i++) {
// console.log(hostsResponse['DomainDNSGetHostsResult'][i]['host'][0]);
var currentEntry = hostsResponse['DomainDNSGetHostsResult'][0]['host'][i]['$'];
params['HostName'+(i+1)] = currentEntry['Name'];
params['RecordType'+(i+1)] = currentEntry['Type'];
params['Address'+(i+1)] = currentEntry['Address'];
params['TTL'+(i+1)] = currentEntry['TTL'];
}
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params['HostName'+(currentHostRecordsCount+1)] = ch.dnsPrefix;
params['RecordType'+(currentHostRecordsCount+1)] = 'TXT';
params['Address'+(currentHostRecordsCount+1)] = txt;
params['TTL'+(currentHostRecordsCount+1)] = 100; // in minutes
// console.log(params);
return api('namecheap.domains.dns.setHosts',params).then(function (setHostResponse) {
// console.log('setHost');
// console.log(setHostResponse);
return true
}).catch(function (err) {
throw new Error('record did not set. check subdomain, api key, etc');
});
});
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},
remove: function (data) {
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var ch = data.challenge;
var params = {};
var zone = ch.dnsZone;
// the domain is the first part
params['SLD'] = zone.split('.')[0];
// the rest of the components are the TLD
params['TLD'] = zone.split('.').splice(1).join('.');
// setting a host record overwrites all existing,
// removing a new records means you've have to send back all previous records without removed
return api('namecheap.domains.dns.getHosts',params).then(function (hostsResponse) {
var currentHostRecordsCount = hostsResponse['DomainDNSGetHostsResult'][0]['host'].length;
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for (var i = 0; i < currentHostRecordsCount; i++) {
// console.log(hostsResponse['DomainDNSGetHostsResult'][i]['host'][0]);
var currentEntry = hostsResponse['DomainDNSGetHostsResult'][0]['host'][i]['$'];
if(currentEntry['Address'] != ch.dnsAuthorization){
params['HostName'+(i+1)] = currentEntry['Name'];
params['RecordType'+(i+1)] = currentEntry['Type'];
params['Address'+(i+1)] = currentEntry['Address'];
params['TTL'+(i+1)] = currentEntry['TTL'];
}
}
return api('namecheap.domains.dns.setHosts',params).then(function (setHostResponse) {
// console.log('setHost');
// console.log(setHostResponse);
return true
}).catch(function (err) {
throw new Error('record did not remove. check subdomain, api key, etc');
});
});
},
get: function (data) {
var ch = data.challenge;
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var params = {};
var zone = ch.dnsZone;
// the domain is the first part
params['SLD'] = zone.split('.')[0];
// the rest of the components are the TLD
params['TLD'] = zone.split('.').splice(1).join('.');
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return api('namecheap.domains.dns.getHosts',params).then(function (hostsResponse) {
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// console.log('hosts');
// console.log(hostsResponse);
var currentHostRecords = hostsResponse['DomainDNSGetHostsResult'][0]['host'];
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var entries = currentHostRecords.filter(function (x) {
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return x['$']['Type'] === 'TXT';
});
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var entry = entries.filter(function (x) {
// console.log('data', x.data);
// console.log('dnsAuth', ch.dnsAuthorization, ch);
return x['$']['Address'] === ch.dnsAuthorization;
})[0];
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if (entry) {
return {dnsAuthorization: entry['$']['Address']};
} else {
return null;
}
});
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}
};
};