Conditions | 1 |
Paths | 1 |
Total Lines | 280 |
Code Lines | 180 |
Lines | 92 |
Ratio | 32.86 % |
Changes | 0 |
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
1 | const db = require("../db/database.js"); |
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10 | module.exports = (function () { |
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11 | function isValidAPIKey(apiKey, next, path, res) { |
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12 | View Code Duplication | db.get("SELECT email FROM apikeys WHERE key = ?", apiKey, (err, row) => { |
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13 | if (err) { |
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14 | return res.status(500).json({ |
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15 | errors: { |
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16 | status: 500, |
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17 | source: path, |
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18 | title: "Database error", |
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19 | detail: err.message |
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20 | } |
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21 | }); |
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22 | } |
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23 | |||
24 | if (row !== undefined) { |
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25 | return next(); |
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26 | } |
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27 | |||
28 | res.status(401).json({ |
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29 | errors: { |
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30 | status: 401, |
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31 | source: path, |
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32 | title: "Valid API key", |
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33 | detail: "No valid API key provided." |
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34 | } |
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35 | }); |
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36 | }); |
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37 | } |
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38 | |||
39 | function getNewAPIKey(res, path, email) { |
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40 | if (email === undefined || !validator.validate(email)) { |
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41 | res.status(401).json({ |
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42 | errors: { |
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43 | status: 401, |
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44 | source: path, |
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45 | title: "Valid email", |
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46 | detail: "A valid email address is required to obtain an API key." |
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47 | } |
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48 | }); |
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49 | } else { |
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50 | db.get("SELECT email, key FROM apikeys WHERE email = ?", email, (err, row) => { |
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51 | if (err) { |
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52 | return res.status(500).json({ |
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53 | errors: { |
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54 | status: 500, |
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55 | source: path, |
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56 | title: "Database error", |
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57 | detail: err.message |
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58 | } |
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59 | }); |
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60 | } |
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61 | |||
62 | if (row !== undefined) { |
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63 | return res.json({ |
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64 | data: { |
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65 | message: "Email address already used for api key.", |
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66 | apiKey: row.key |
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67 | } |
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68 | }); |
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69 | } |
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70 | |||
71 | getUniqueAPIKey(res, path, email); |
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72 | }); |
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73 | } |
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74 | } |
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75 | |||
76 | function getUniqueAPIKey(res, path, email) { |
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77 | const apiKey = hat(); |
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78 | |||
79 | View Code Duplication | db.get("SELECT key FROM apikeys WHERE key = ?", apiKey, (err, row) => { |
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80 | if (err) { |
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81 | return res.status(401).json({ |
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82 | errors: { |
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83 | status: 401, |
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84 | source: path, |
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85 | title: "Database error", |
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86 | detail: err.message |
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87 | } |
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88 | }); |
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89 | } |
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90 | |||
91 | if (row === undefined) { |
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92 | db.run("INSERT INTO apikeys (key, email) VALUES (?, ?)", |
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93 | apiKey, |
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94 | email, (err) => { |
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95 | if (err) { |
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96 | return res.status(401).json({ |
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97 | errors: { |
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98 | status: 401, |
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99 | source: path, |
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100 | title: "Database error", |
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101 | detail: err.message |
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102 | } |
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103 | }); |
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104 | } |
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105 | |||
106 | res.json({ data: { key: apiKey }}); |
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107 | }); |
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108 | } else { |
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109 | getUniqueAPIKey(res, email); |
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110 | } |
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111 | }); |
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112 | } |
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113 | |||
114 | function login(res, body) { |
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115 | const email = body.email; |
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116 | const password = body.password; |
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117 | const apiKey = body.api_key; |
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118 | |||
119 | if (!email || !password) { |
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120 | return res.status(401).json({ |
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121 | errors: { |
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122 | status: 401, |
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123 | source: "/login", |
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124 | title: "Email or password missing", |
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125 | detail: "Email or password missing in request" |
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126 | } |
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127 | }); |
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128 | } |
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129 | |||
130 | db.get("SELECT * FROM users WHERE apiKey = ? AND email = ?", |
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131 | apiKey, |
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132 | email, |
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133 | (err, rows) => { |
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134 | if (err) { |
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135 | return res.status(500).json({ |
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136 | errors: { |
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137 | status: 500, |
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138 | source: "/login", |
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139 | title: "Database error", |
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140 | detail: err.message |
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141 | } |
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142 | }); |
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143 | } |
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144 | |||
145 | if (rows === undefined) { |
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146 | return res.status(401).json({ |
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147 | errors: { |
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148 | status: 401, |
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149 | source: "/login", |
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150 | title: "User not found", |
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151 | detail: "User with provided email not found." |
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152 | } |
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153 | }); |
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154 | } |
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155 | |||
156 | const user = rows; |
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157 | |||
158 | bcrypt.compare(password, user.password, (err, result) => { |
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159 | if (err) { |
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160 | return res.status(500).json({ |
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161 | errors: { |
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162 | status: 500, |
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163 | source: "/login", |
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164 | title: "bcrypt error", |
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165 | detail: "bcrypt error" |
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166 | } |
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167 | }); |
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168 | } |
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169 | |||
170 | if (result) { |
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171 | let payload = { api_key: user.apiKey, email: user.email }; |
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172 | let jwtToken = jwt.sign(payload, config.secret, { expiresIn: '24h' }); |
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173 | |||
174 | return res.json({ |
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175 | data: { |
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176 | type: "success", |
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177 | message: "User logged in", |
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178 | user: payload, |
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179 | token: jwtToken |
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180 | } |
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181 | }); |
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182 | } else { |
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183 | return res.status(401).json({ |
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184 | errors: { |
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185 | status: 401, |
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186 | source: "/login", |
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187 | title: "Wrong password", |
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188 | detail: "Password is incorrect." |
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189 | } |
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190 | }); |
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191 | } |
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192 | }); |
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193 | }); |
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194 | } |
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195 | |||
196 | function register(res, body) { |
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197 | const email = body.email; |
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198 | const password = body.password; |
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199 | const apiKey = body.api_key; |
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200 | |||
201 | if (!email || !password) { |
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202 | return res.status(401).json({ |
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203 | errors: { |
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204 | status: 401, |
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205 | source: "/register", |
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206 | title: "Email or password missing", |
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207 | detail: "Email or password missing in request" |
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208 | } |
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209 | }); |
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210 | } |
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211 | |||
212 | View Code Duplication | bcrypt.hash(password, 10, function(err, hash) { |
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213 | if (err) { |
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214 | return res.status(500).json({ |
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215 | errors: { |
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216 | status: 500, |
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217 | source: "/register", |
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218 | title: "bcrypt error", |
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219 | detail: "bcrypt error" |
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220 | } |
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221 | }); |
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222 | } |
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223 | |||
224 | db.run("INSERT INTO users (apiKey, email, password) VALUES (?, ?, ?)", |
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225 | apiKey, |
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226 | email, |
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227 | hash, (err) => { |
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228 | if (err) { |
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229 | return res.status(500).json({ |
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230 | errors: { |
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231 | status: 500, |
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232 | source: "/register", |
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233 | title: "Database error", |
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234 | detail: err.message |
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235 | } |
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236 | }); |
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237 | } |
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238 | |||
239 | res.status(201).json({ |
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240 | data: { |
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241 | message: "User successfully registered." |
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242 | } |
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243 | }); |
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244 | }); |
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245 | }); |
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246 | } |
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247 | |||
248 | function checkToken(req, res, next) { |
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249 | var token = req.headers['x-access-token']; |
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250 | |||
251 | if (token) { |
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252 | jwt.verify(token, config.secret, function(err, decoded) { |
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253 | if (err) { |
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254 | return res.status(500).json({ |
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255 | errors: { |
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256 | status: 500, |
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257 | source: req.path, |
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258 | title: "Failed authentication", |
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259 | detail: err.message |
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260 | } |
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261 | }); |
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262 | } |
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263 | |||
264 | req.user = {}; |
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265 | req.user.api_key = decoded.api_key; |
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266 | req.user.email = decoded.email; |
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267 | |||
268 | next(); |
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269 | }); |
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270 | } else { |
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271 | return res.status(401).json({ |
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272 | errors: { |
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273 | status: 401, |
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274 | source: req.path, |
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275 | title: "No token", |
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276 | detail: "No token provided in request headers" |
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277 | } |
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278 | }); |
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279 | } |
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280 | } |
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281 | |||
282 | return { |
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283 | isValidAPIKey: isValidAPIKey, |
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284 | getNewAPIKey: getNewAPIKey, |
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285 | login: login, |
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286 | register: register, |
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287 | checkToken: checkToken |
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288 | }; |
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289 | }()); |
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290 |