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response.js
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180 lines (167 loc) · 5.09 KB
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'use strict';
const { sequelize } = require('../db/sequelize');
const { Model, DataTypes } = require('sequelize');
const geoip = require('geoip-lite');
const ip6addr = require('ip6addr');
const hashIds = require('../helpers/hashIds');
var iso31661 = require('iso-3166');
var iso31662 = require('iso-3166/2');
const DeviceDetector = require('device-detector-js');
const PROTECTED_ATTRIBUTES = [
'hash',
'userAgent',
'ipAddress',
'ipAddressFormatted',
'geo',
'device',
];
class Response extends Model {}
Response.init(
{
hash: {
type: DataTypes.VIRTUAL,
get() {
return hashIds.encode(this.id);
},
set(value) {
throw new Error(
`Cannot explicitly set the \`hash\` property. Value: \`${value}\` rejected.`,
);
},
},
data: DataTypes.JSONB,
userAgent: DataTypes.STRING,
ipAddress: DataTypes.INET,
respondent: DataTypes.STRING,
ipAddressFormatted: {
type: DataTypes.VIRTUAL,
get() {
let returnValue = null;
if (this.ipAddress) {
let rawIP = this.ipAddress;
let tempIP = ip6addr.parse(rawIP);
let ipv4 = tempIP.toString({ format: 'v4' });
let ipv6 = tempIP.toString({ format: 'v6' });
returnValue = { raw: rawIP };
if (ipv4) {
returnValue.ipv4 = ipv4;
}
if (ipv6) {
returnValue.ipv6 = ipv6;
}
}
return returnValue;
},
set(value) {
throw new Error(
`Cannot explicitly set the \`ipAddressFormatted\` property. Value: \`${value}\` rejected.`,
);
},
},
geo: {
type: DataTypes.VIRTUAL,
get() {
let rVal = null;
if (
this.ipAddressFormatted !== null &&
typeof this.ipAddressFormatted === 'object' &&
'ipv4' in this.ipAddressFormatted
) {
rVal = geoip.lookup(this.ipAddressFormatted.ipv4);
if (rVal === null || rVal === undefined) {
let cidr1 = ip6addr.createCIDR('10.0.0.0', 8);
let cidr2 = ip6addr.createCIDR('172.16.0.0', 12);
let cidr3 = ip6addr.createCIDR('192.168.0.0', 16);
let ipv4 = this.ipAddressFormatted.ipv4;
if ('127.0.0.1' === ipv4) {
rVal = { type: 'localhost' };
} else if (
cidr1.contains(ipv4) ||
cidr2.contains(ipv4) ||
cidr3.contains(ipv4)
) {
rVal = { type: 'private' };
} else {
rVal = { type: 'unknown' };
}
} else if (typeof rVal === 'object' && rVal !== null) {
rVal.type = 'location';
let locationArray = [];
let locationString;
if ('city' in rVal && rVal.city) {
locationArray.push(rVal.city);
}
if ('region' in rVal && rVal.region) {
if ('country' in rVal && rVal.country) {
let regionCode = `${rVal.country}-${rVal.region}`;
let regionDecoded = iso31662.find((obj) => {
if (obj.code === regionCode) return true;
});
if (
typeof regionDecoded === 'object' &&
regionDecoded !== null &&
'name' in regionDecoded
) {
locationArray.push(regionDecoded.name);
}
}
}
if ('country' in rVal && rVal.country) {
let countryCode = `${rVal.country}`;
let countryDecoded = iso31661.find((obj) => {
if (obj.alpha2 === countryCode) return true;
});
if (
typeof countryDecoded === 'object' &&
countryDecoded !== null &&
'name' in countryDecoded
) {
locationArray.push(countryDecoded.name);
}
}
locationString = locationArray.join(', ');
rVal.pretty = locationString;
}
}
return rVal;
},
set(value) {
throw new Error(
`Cannot explicitly set the \`geo\` property. Value: \`${value}\` rejected.`,
);
},
},
device: {
type: DataTypes.VIRTUAL,
get() {
let rVal = null;
let device = new DeviceDetector();
if (this.userAgent !== null && typeof this.userAgent === 'string') {
let decodedDevice = device.parse(this.userAgent);
rVal = typeof decodedDevice === 'object' ? decodedDevice : null;
}
return rVal;
},
set(value) {
throw new Error(
`Cannot explicitly set the \`device\` property. Value: \`${value}\` rejected.`,
);
},
},
},
{
sequelize,
},
);
Response.associate = function (models) {
Response.belongsTo(models.Survey);
};
Response.prototype.public = function () {
// hide protected fields
let attributes = Object.assign({}, this.get());
for (let a of PROTECTED_ATTRIBUTES) {
delete attributes[a];
}
return attributes;
};
module.exports = { Response };