1 | import { v4 as uuidv4 } from 'uuid';
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2 |
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3 | import axios from 'axios';
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4 |
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5 | require('dotenv').config();
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6 |
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7 | const crypto = require('crypto');
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8 |
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9 | const Pool = require('pg').Pool
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10 | const pool = new Pool({
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11 | connectionString: `postgres://${process.env.POSTGRES_USER}:${process.env.POSTGRES_PASSWORD}@${process.env.POSTGRES_HOST}/${process.env.POSTGRES_DB}`
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12 | });
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13 |
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14 | const sessions = []
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15 | // example session = { id, displayName, username, credits, lastActivity }
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16 |
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17 | export default function handler(req, res) {
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18 | /**
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19 | * GET method
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20 | */
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21 | if (req.method === 'GET') {
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22 | /**
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23 | * /---------------------- GET ----------------------/
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24 | * If the player won credits, update them in the database.
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25 | * Also, update the stats in the database.
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26 | * @action give_credits
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27 | * @param session_id
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28 | * @param credits
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29 | */
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30 | if (req.query?.action === 'add_credits' && req.query?.session_id && req.query?.credits) {
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31 | const session_id = req.query.session_id
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32 | const session = sessions.find(session => session.id === session_id)
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33 |
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34 | if (session) {
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35 | session.lastActivity = Date.now();
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36 |
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37 | if (parseInt(req.query.credits) > 0) {
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38 | session.credits = session.credits + parseInt(req.query.credits)
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39 |
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40 | pool.query('UPDATE players SET credits = $1 WHERE username = $2', [session.credits, session.username], (error, results) => {
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41 | if (error) throw error;
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42 | });
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43 | }
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44 |
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45 | if (req.query?.dont_update_stats) {
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46 | // continue
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47 | } else {
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48 | pool.query('SELECT * FROM stats WHERE username = $1', [session.username], (error, results) => {
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49 | if (error) throw error;
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50 |
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51 | if (results.rows.length > 0) {
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52 | const stats = results.rows[0]
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53 |
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54 | if (parseInt(req.query.credits) > 0) {
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55 | pool.query('UPDATE stats SET money_earned = $1 WHERE username = $2', [parseInt(stats.money_earned) + parseInt(req.query.credits), session.username], (error, results) => {
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56 | if (error) throw error;
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57 | });
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58 | }
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59 |
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60 | if (req.query?.game === 'blackjack') {
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61 | if (req.query?.outcome === 'player_busted' || req.query?.outcome === 'player_lost') {
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62 | pool.query('UPDATE stats SET blackjack_games = $1 WHERE username = $2', [parseInt(stats.blackjack_games) + 1, session.username], (error, results) => {
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63 | if (error) throw error;
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64 | });
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65 | }
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66 | else if (req.query?.outcome === 'dealer_busted' || req.query?.outcome === 'player_won') {
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67 | pool.query('UPDATE stats SET blackjack_games = $1, blackjack_won_games = $2 WHERE username = $3', [parseInt(stats.blackjack_games) + 1, parseInt(stats.blackjack_won_games) + 1, session.username], (error, results) => {
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68 | if (error) throw error;
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69 | });
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70 | }
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71 | }
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72 | else if (req.query?.game === 'roulette') {
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73 | if (req.query?.outcome === 'lost') {
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74 | pool.query('UPDATE stats SET roulette_games = $1 WHERE username = $2', [parseInt(stats.roulette_games) + 1, session.username], (error, results) => {
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75 | if (error) throw error;
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76 | });
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77 | }
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78 | else if (req.query?.outcome === 'won') {
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79 | pool.query('UPDATE stats SET roulette_games = $1, roulette_won_games = $2 WHERE username = $3', [parseInt(stats.roulette_games) + 1, parseInt(stats.roulette_won_games) + 1, session.username], (error, results) => {
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80 | if (error) throw error;
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81 | });
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82 | }
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83 | }
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84 | else if (req.query?.game === 'poker') {
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85 | if (req.query?.outcome === 'lost') {
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86 | pool.query('UPDATE stats SET poker_games = $1 WHERE username = $2', [parseInt(stats.poker_games) + 1, session.username], (error, results) => {
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87 | if (error) throw error;
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88 | });
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89 | }
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90 | else if (req.query?.outcome === 'won') {
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91 | pool.query('UPDATE stats SET poker_games = $1, poker_won_games = $2 WHERE username = $3', [parseInt(stats.poker_games) + 1, parseInt(stats.poker_won_games) + 1, session.username], (error, results) => {
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92 | if (error) throw error;
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93 | });
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94 | }
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95 | }
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96 | }
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97 | });
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98 | }
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99 |
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100 | res.json({
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101 | success: true,
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102 | credits: session.credits,
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103 | })
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104 |
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105 | return ;
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106 | }
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107 |
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108 | res.json({
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109 | success: false,
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110 | })
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111 | }
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112 |
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113 | /**
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114 | * /---------------------- GET ----------------------/
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115 | * The player lost credits, update this in the database.
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116 | * @action take_credits
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117 | * @param session_id
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118 | * @param credits
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119 | */
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120 | if (req.query?.action === 'take_credits' && req.query?.session_id && req.query?.credits) {
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121 | const session_id = req.query.session_id
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122 | const session = sessions.find(session => session.id === session_id)
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123 |
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124 | let takeWhatYouCan = false;
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125 | if (req.query?.takeWhatYouCan === "true") takeWhatYouCan = true;
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126 |
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127 | if (session) {
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128 | session.lastActivity = Date.now();
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129 |
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130 | if (session.credits < parseInt(req.query.credits)) {
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131 | if (takeWhatYouCan) {
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132 | session.credits = 0;
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133 | }
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134 | else {
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135 | res.json({
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136 | success: false,
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137 | });
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138 |
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139 | return ;
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140 | }
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141 | }
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142 | else {
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143 | session.credits = session.credits - parseInt(req.query.credits)
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144 | }
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145 |
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146 | pool.query('UPDATE players SET credits = $1 WHERE username = $2', [session.credits, session.username], (error, results) => {
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147 | if (error) throw error;
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148 | });
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149 |
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150 | pool.query('SELECT * FROM stats WHERE username = $1', [session.username], (error, results) => {
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151 | if (error) throw error;
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152 |
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153 | if (results.rows.length > 0) {
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154 | const stats = results.rows[0]
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155 |
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156 | pool.query('UPDATE stats SET money_bet = $1 WHERE username = $2', [parseInt(stats.money_bet) + parseInt(req.query.credits), session.username], (error, results) => {
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157 | if (error) throw error;
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158 | });
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159 | }
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160 | });
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161 |
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162 | res.json({
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163 | success: true,
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164 | credits: session.credits,
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165 | })
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166 | return ;
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167 | }
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168 |
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169 | res.json({
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170 | success: false,
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171 | })
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172 | }
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173 |
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174 | /**
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175 | * /---------------------- GET ----------------------/
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176 | * Get stats for the player, so we can display them in the front end.
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177 | * @action get_stats
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178 | * @param session_id
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179 | */
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180 | if (req.query?.action === 'get_stats' && req.query?.session_id) {
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181 | const session_id = req.query.session_id
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182 | const session = sessions.find(session => session.id === session_id)
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183 |
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184 | if (session) {
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185 | session.lastActivity = Date.now();
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186 |
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187 | pool.query('SELECT * FROM stats WHERE username = $1', [session.username], (error, results) => {
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188 | if (error) throw error;
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189 |
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190 | if (results.rows.length > 0) {
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191 | res.json({
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192 | success: true,
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193 | stats: results.rows[0],
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194 | })
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195 | }
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196 | else {
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197 | res.json({
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198 | success: false,
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199 | })
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200 | }
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201 | });
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202 |
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203 | return ;
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204 | }
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205 |
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206 | res.json({
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207 | success: false,
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208 | })
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209 | }
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210 |
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211 | /**
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212 | * /---------------------- GET ----------------------/
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213 | * Checks if the player is logged in, and returns his session if so.
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214 | * @action check_if_logged_in
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215 | * @param session_id
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216 | */
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217 | if (req.query?.action === 'check_if_logged_in' && req.query?.session_id) {
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218 | const session_id = req.query.session_id
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219 | const session = sessions.find(session => session.id === session_id)
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220 |
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221 | if (session) {
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222 | res.json({
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223 | success: true,
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224 | displayName: session.displayName,
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225 | session_id: session.id,
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226 | credits: session.credits,
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227 | })
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228 | return ;
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229 | }
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230 |
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231 | res.json({
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232 | success: false,
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233 | })
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234 | }
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235 |
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236 | /**
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237 | * /---------------------- GET ----------------------/
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238 | * Takes the credits in the player's session, and updates the database.
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239 | * Logs the player out and kills the session.
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240 | * @action logout
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241 | * @param session_id
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242 | */
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243 | if (req.query?.action === 'logout' && req.query?.session_id) {
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244 | const session_id = req.query.session_id
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245 | const session = sessions.find(session => session.id === session_id)
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246 |
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247 | if (session) {
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248 | pool.query('UPDATE players SET credits = $1 WHERE username = $2', [session.credits, session.username], (error, results) => {
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249 | if (error) throw error;
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250 | });
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251 |
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252 | sessions.splice(sessions.indexOf(session), 1);
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253 |
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254 | axios.get(`${process.env.HOME_URL}/api/blackjack/?action=remove_room&session_id=${session_id}`);
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255 | }
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256 |
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257 | res.json({
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258 | success: true,
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259 | message: 'Successfully logged out',
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260 | })
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261 | }
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262 | }
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263 |
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264 | /**
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265 | * POST method
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266 | */
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267 | if (req.method === 'POST') {
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268 | const { body } = req;
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269 |
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270 | /**
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271 | * /---------------------- POST ----------------------/
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272 | * Checks if the entered account info is good, and registers a new user in the database if so.
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273 | * @action register
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274 | * @param username
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275 | * @param displayName
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276 | * @param password
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277 | */
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278 | if (body?.action === 'register') {
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279 | // checks
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280 | if (body?.username == "undefined" || body?.username == "null" || body?.username == "") {
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281 | res.json({
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282 | success: false,
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283 | message: 'Username is required',
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284 | });
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285 | return ;
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286 | }
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287 | if (/[^a-zA-Z]/g.test(body?.username)) {
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288 | res.json({
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289 | success: false,
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290 | message: 'Username must contain only letters',
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291 | })
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292 | return ;
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293 | }
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294 | if (body?.displayName == "undefined" || body?.displayName == "null" || body?.displayName == "") {
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295 | res.json({
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296 | success: false,
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297 | message: 'Display name is required',
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298 | });
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299 | return ;
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300 | }
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301 | if (body?.displayName?.toLowerCase() === "guest") {
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302 | res.json({
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303 | success: false,
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304 | message: 'Display name cannot be guest',
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305 | });
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306 | return ;
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307 | }
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308 | if (body?.password == "undefined" || body?.password == "null" || body?.password == "") {
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309 | res.json({
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310 | success: false,
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311 | message: 'Password is required',
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312 | });
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313 | return ;
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314 | }
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315 |
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316 | // everything's okay
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317 | body.username = body.username.toLowerCase()
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318 |
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319 | // hash password
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320 | const salt = crypto.randomBytes(16).toString('hex');
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321 | const hashedPassword = crypto.pbkdf2Sync(body.password, salt, 1000, 64, 'sha512').toString('hex');
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322 |
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323 | // check if user already exists
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324 | pool.query('SELECT * FROM users WHERE username = $1', [body.username], (error, results) => {
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325 | if (error) throw error;
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326 |
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327 | if (results.rows.length > 0) {
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328 | res.json({
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329 | success: false,
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330 | message: 'Username already exists',
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331 | });
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332 | return ;
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333 | }
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334 |
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335 | // store user in database
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336 | pool.query('INSERT INTO users (username, password, salt) VALUES ($1, $2, $3)', [body.username, hashedPassword, salt], (error, usersResults) => {
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337 | if (error) throw error;
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338 |
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339 | pool.query('INSERT INTO players (username, display_name, credits) VALUES ($1, $2, $3)', [body.username, body.displayName, 1000], (error, playersResults) => {
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340 | if (error) throw error;
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341 |
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342 | pool.query('INSERT INTO stats (username, blackjack_games, roulette_games, poker_games, blackjack_won_games, roulette_won_games, poker_won_games, money_bet, money_earned) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9)', [body.username, 0, 0, 0, 0, 0, 0, 0, 0], (error, statsResults) => {
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343 | if (error) throw error;
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344 |
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345 | res.json({
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346 | success: true,
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347 | message: 'Registration successful',
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348 | });
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349 | return ;
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350 | });
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351 | });
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352 | });
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353 | });
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354 | }
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355 |
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356 | /**
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357 | * /---------------------- POST ----------------------/
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358 | * Checks if the entered account info is good, and logs the user in if so.
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359 | * @action login
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360 | * @param username
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361 | * @param password
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362 | */
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363 | if (body?.action === 'login') {
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364 | // checks
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365 | if (body?.username == "undefined" || body?.username == "null" || body?.username == "") {
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366 | res.json({
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367 | success: false,
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368 | message: 'Username is required',
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369 | });
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370 | return ;
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371 | }
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372 | if (/[^a-zA-Z]/g.test(body?.username)) {
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373 | res.json({
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374 | success: false,
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375 | message: 'Username must contain only letters',
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376 | })
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377 | return ;
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378 | }
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379 | if (body?.password == "undefined" || body?.password == "null" || body?.password == "") {
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380 | res.json({
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381 | success: false,
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382 | message: 'Password is required',
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383 | });
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384 | return ;
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385 | }
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386 |
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387 | // everything's okay
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388 | body.username = body.username.toLowerCase();
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389 |
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390 | // check if user exists
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391 | pool.query('SELECT * FROM users WHERE username = $1', [body.username], (error, usersResults) => {
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392 | if (error) throw error;
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393 |
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394 | if (usersResults.rows.length === 0) {
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395 | res.json({
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396 | success: false,
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397 | message: 'User does not exist. Try Registering instead.',
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398 | });
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399 | return ;
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400 | }
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401 | else {
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402 | if (usersResults.rows.length > 0) {
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403 | const user = usersResults.rows[0];
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404 | const salt = user.salt;
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405 | const hashedPassword = crypto.pbkdf2Sync(body.password, salt, 1000, 64, 'sha512').toString('hex');
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406 |
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407 | if (hashedPassword === user.password) {
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408 | pool.query('SELECT * FROM players WHERE username = $1', [body.username], (error, playersResults) => {
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409 | if (playersResults.rows.length > 0) {
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410 | let session = sessions.find(session => session.username === playersResults.rows[0].username)
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411 |
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412 | if (session) {
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413 | // Already logged in
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414 | res.json({
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415 | success: false,
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416 | message: 'You are already logged in',
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417 | })
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418 | }
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419 | else {
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420 | // create a session
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421 | session = {
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422 | id: uuidv4(),
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423 | displayName: playersResults.rows[0].display_name,
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424 | username: playersResults.rows[0].username,
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425 | credits: playersResults.rows[0].credits,
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426 | lastActivity: Date.now(),
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427 | }
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428 |
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429 | sessions.push(session);
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430 |
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431 | res.json({
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432 | success: true,
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433 | message: 'Login successful',
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434 | session: session,
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435 | })
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436 | }
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437 |
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438 | return ;
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439 | }
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440 | });
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441 | }
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442 | else {
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443 | res.json({
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444 | success: false,
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445 | message: 'Username and password do not match.',
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446 | });
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447 | }
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448 | }
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449 | }
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450 | });
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451 | }
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452 | }
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453 | } |
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