75 lines
2.7 KiB
JavaScript
75 lines
2.7 KiB
JavaScript
const logger = require('winston');
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const db = require('../models');
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module.exports = {
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authenticateUser (channelName, channelId, channelPassword, user) {
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// case: no channelName or channel Id are provided (anonymous), regardless of whether user token is provided
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if (!channelName && !channelId) {
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return {
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channelName : null,
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channelClaimId: null,
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};
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}
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// case: channelName or channel Id are provided with user token
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if (user) {
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if (channelName && channelName !== user.channelName) {
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throw new Error('the provided channel name does not match user credentials');
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}
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if (channelId && channelId !== user.channelClaimId) {
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throw new Error('the provided channel id does not match user credentials');
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}
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return {
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channelName : user.channelName,
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channelClaimId: user.channelClaimId,
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};
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}
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// case: channelName or channel Id are provided with password instead of user token
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if (!channelPassword) throw new Error('no channel password provided');
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return module.exports.authenticateChannelCredentials(channelName, channelId, channelPassword);
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},
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authenticateChannelCredentials (channelName, channelId, userPassword) {
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return new Promise((resolve, reject) => {
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// hoisted variables
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let channelData;
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// build the params for finding the channel
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let channelFindParams = {};
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if (channelName) channelFindParams['channelName'] = channelName;
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if (channelId) channelFindParams['channelClaimId'] = channelId;
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// find the channel
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db.Channel
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.findOne({
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where: channelFindParams,
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})
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.then(channel => {
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if (!channel) {
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logger.debug('no channel found');
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throw new Error('Authentication failed, you do not have access to that channel');
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}
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channelData = channel.get();
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logger.debug('channel data:', channelData);
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return db.User.findOne({
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where: { userName: channelData.channelName.substring(1) },
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});
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})
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.then(user => {
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if (!user) {
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logger.debug('no user found');
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throw new Error('Authentication failed, you do not have access to that channel');
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}
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return user.comparePassword(userPassword);
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})
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.then(isMatch => {
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if (!isMatch) {
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logger.debug('incorrect password');
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throw new Error('Authentication failed, you do not have access to that channel');
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}
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logger.debug('...password was a match...');
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resolve(channelData);
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})
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.catch(error => {
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reject(error);
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});
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});
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},
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};
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