auth.js ➔ ... ➔ ??? - Code Metrics - Inspection of "Finished with mega migration to version handling o..." - emilfolino/order_api - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Push — master ( 853a48...344ee9 )

by Emil

created 2019-02-22 14:48 UTC

auth.js ➔ ... ➔ ??? B

↳ Parent: auth.js ➔ login

Complexity

Conditions	3
Paths	3

Size

Total Lines	61
Code Lines	40

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
eloc	40
nc	3
nop	2
dl	0
loc	61
rs	8.92
c	0
b	0
f	0

How to fix Long Method

const db = require("../db/database.js");
const hat = require("hat");
const validator = require("email-validator");

const bcrypt = require('bcrypt');
const jwt = require('jsonwebtoken');

const config = require('../../config/config.json');

module.exports = (function () {
    function isValidAPIKey(apiKey, next, path, res) {
        db.get("SELECT email FROM apikeys WHERE key = ?", apiKey, (err, row) => {

            if (err) {
                return res.status(500).json({
                    errors: {
                        status: 500,
                        source: path,
                        title: "Database error",
                        detail: err.message
                    }
                });
            }

            if (row !== undefined) {
                return next();
            }

            res.status(401).json({
                errors: {
                    status: 401,
                    source: path,
                    title: "Valid API key",
                    detail: "No valid API key provided."
                }
            });

        });
    }

    function getNewAPIKey(res, path, email) {
        if (email === undefined || !validator.validate(email)) {
            res.status(401).json({
                errors: {
                    status: 401,
                    source: path,
                    title: "Valid email",
                    detail: "A valid email address is required to obtain an API key."
                }
            });
        } else {
            db.get("SELECT email, key FROM apikeys WHERE email = ?", email, (err, row) => {
                if (err) {
                    return res.status(500).json({
                        errors: {
                            status: 500,
                            source: path,
                            title: "Database error",
                            detail: err.message
                        }
                    });
                }

                if (row !== undefined) {
                    return res.json({
                        data: {
                            message: "Email address already used for api key.",
                            apiKey: row.key
                        }
                    });
                }

                getUniqueAPIKey(res, path, email);

            });
        }
    }

    function getUniqueAPIKey(res, path, email) {
        const apiKey = hat();

        db.get("SELECT key FROM apikeys WHERE key = ?", apiKey, (err, row) => {

            if (err) {
                return res.status(401).json({
                    errors: {
                        status: 401,
                        source: path,
                        title: "Database error",
                        detail: err.message
                    }
                });
            }

            if (row === undefined) {
                db.run("INSERT INTO apikeys (key, email) VALUES (?, ?)",
                    apiKey,
                    email, (err) => {
                        if (err) {
                            return res.status(401).json({
                                errors: {
                                    status: 401,
                                    source: path,
                                    title: "Database error",
                                    detail: err.message
                                }
                            });
                        }

                        res.json({ data: { key: apiKey }});

                    });

            } else {
                getUniqueAPIKey(res, email);

            }
        });
    }

    function login(res, body) {
        const email = body.email;
        const password = body.password;
        const apiKey = body.api_key;

        if (!email || !password) {
            return res.status(401).json({
                errors: {
                    status: 401,
                    source: "/login",
                    title: "Email or password missing",
                    detail: "Email or password missing in request"
                }
            });
        }

        db.get("SELECT * FROM users WHERE apiKey = ? AND email = ?",
            apiKey,
            email,
            (err, rows) => {
                if (err) {
                    return res.status(500).json({
                        errors: {
                            status: 500,
                            source: "/login",
                            title: "Database error",
                            detail: err.message
                        }
                    });
                }

                if (rows === undefined) {
                    return res.status(401).json({
                        errors: {
                            status: 401,
                            source: "/login",
                            title: "User not found",
                            detail: "User with provided email not found."
                        }
                    });
                }

                const user = rows;

                bcrypt.compare(password, user.password, (err, result) => {
                    if (err) {
                        return res.status(500).json({
                            errors: {
                                status: 500,
                                source: "/login",
                                title: "bcrypt error",
                                detail: "bcrypt error"
                            }
                        });
                    }

                    if (result) {
                        let payload = { api_key: user.apiKey, email: user.email };
                        let jwtToken = jwt.sign(payload, config.secret, { expiresIn: '24h' });

                        return res.json({
                            data: {
                                type: "success",
                                message: "User logged in",
                                user: payload,
                                token: jwtToken
                            }
                        });
                    } else {

                        return res.status(401).json({
                            errors: {
                                status: 401,
                                source: "/login",
                                title: "Wrong password",
                                detail: "Password is incorrect."
                            }
                        });
                    }
                });

            });

    }

    function register(res, body) {
        const email = body.email;
        const password = body.password;
        const apiKey = body.api_key;

        if (!email || !password) {
            return res.status(401).json({
                errors: {
                    status: 401,
                    source: "/register",
                    title: "Email or password missing",
                    detail: "Email or password missing in request"
                }
            });
        }

        bcrypt.hash(password, 10, function(err, hash) {

            if (err) {
                return res.status(500).json({
                    errors: {
                        status: 500,
                        source: "/register",
                        title: "bcrypt error",
                        detail: "bcrypt error"
                    }
                });
            }

            db.run("INSERT INTO users (apiKey, email, password) VALUES (?, ?, ?)",
                apiKey,
                email,
                hash, (err) => {
                    if (err) {
                        return res.status(500).json({
                            errors: {
                                status: 500,
                                source: "/register",
                                title: "Database error",
                                detail: err.message
                            }
                        });
                    }

                    res.status(201).json({
                        data: {
                            message: "User successfully registered."
                        }
                    });

                });

        });

    }

    function checkToken(req, res, next) {
        var token = req.headers['x-access-token'];

        if (token) {
            jwt.verify(token, config.secret, function(err, decoded) {
                if (err) {
                    return res.status(500).json({
                        errors: {
                            status: 500,
                            source: req.path,
                            title: "Failed authentication",
                            detail: err.message
                        }
                    });
                }

                req.user = {};
                req.user.api_key = decoded.api_key;
                req.user.email = decoded.email;

                next();

            });

        } else {
            return res.status(401).json({
                errors: {
                    status: 401,
                    source: req.path,
                    title: "No token",
                    detail: "No token provided in request headers"
                }
            });
        }
    }

    return {
        isValidAPIKey: isValidAPIKey,
        getNewAPIKey: getNewAPIKey,
        login: login,
        register: register,
        checkToken: checkToken
    };
}());


1		const db = require("../db/database.js");
2		const hat = require("hat");
3		const validator = require("email-validator");
4
5		const bcrypt = require('bcrypt');
6		const jwt = require('jsonwebtoken');
7
8		const config = require('../../config/config.json');
9
10		module.exports = (function () {
11		function isValidAPIKey(apiKey, next, path, res) {
12	View Code Duplication	db.get("SELECT email FROM apikeys WHERE key = ?", apiKey, (err, row) => {
		0 ignored issues – show Duplication introduced 2019-02-22 14:50 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
13		if (err) {
14		return res.status(500).json({
15		errors: {
16		status: 500,
17		source: path,
18		title: "Database error",
19		detail: err.message
20		}
21		});
22		}
23
24		if (row !== undefined) {
25		return next();
26		}
27
28		res.status(401).json({
29		errors: {
30		status: 401,
31		source: path,
32		title: "Valid API key",
33		detail: "No valid API key provided."
34		}
35		});
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
36		});
37		}
38
39		function getNewAPIKey(res, path, email) {
40		if (email === undefined \|\| !validator.validate(email)) {
41		res.status(401).json({
42		errors: {
43		status: 401,
44		source: path,
45		title: "Valid email",
46		detail: "A valid email address is required to obtain an API key."
47		}
48		});
49		} else {
50		db.get("SELECT email, key FROM apikeys WHERE email = ?", email, (err, row) => {
51		if (err) {
52		return res.status(500).json({
53		errors: {
54		status: 500,
55		source: path,
56		title: "Database error",
57		detail: err.message
58		}
59		});
60		}
61
62		if (row !== undefined) {
63		return res.json({
64		data: {
65		message: "Email address already used for api key.",
66		apiKey: row.key
67		}
68		});
69		}
70
71		getUniqueAPIKey(res, path, email);
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
72		});
73		}
74		}
75
76		function getUniqueAPIKey(res, path, email) {
77		const apiKey = hat();
78
79	View Code Duplication	db.get("SELECT key FROM apikeys WHERE key = ?", apiKey, (err, row) => {
		0 ignored issues – show Duplication introduced 2019-02-22 14:50 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
80		if (err) {
81		return res.status(401).json({
82		errors: {
83		status: 401,
84		source: path,
85		title: "Database error",
86		detail: err.message
87		}
88		});
89		}
90
91		if (row === undefined) {
92		db.run("INSERT INTO apikeys (key, email) VALUES (?, ?)",
93		apiKey,
94		email, (err) => {
95		if (err) {
96		return res.status(401).json({
97		errors: {
98		status: 401,
99		source: path,
100		title: "Database error",
101		detail: err.message
102		}
103		});
104		}
105
106		res.json({ data: { key: apiKey }});
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
107		});
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
108		} else {
109		getUniqueAPIKey(res, email);
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
110		}
111		});
112		}
113
114		function login(res, body) {
115		const email = body.email;
116		const password = body.password;
117		const apiKey = body.api_key;
118
119		if (!email \|\| !password) {
120		return res.status(401).json({
121		errors: {
122		status: 401,
123		source: "/login",
124		title: "Email or password missing",
125		detail: "Email or password missing in request"
126		}
127		});
128		}
129
130		db.get("SELECT * FROM users WHERE apiKey = ? AND email = ?",
131		apiKey,
132		email,
133		(err, rows) => {
134		if (err) {
135		return res.status(500).json({
136		errors: {
137		status: 500,
138		source: "/login",
139		title: "Database error",
140		detail: err.message
141		}
142		});
143		}
144
145		if (rows === undefined) {
146		return res.status(401).json({
147		errors: {
148		status: 401,
149		source: "/login",
150		title: "User not found",
151		detail: "User with provided email not found."
152		}
153		});
154		}
155
156		const user = rows;
157
158		bcrypt.compare(password, user.password, (err, result) => {
159		if (err) {
160		return res.status(500).json({
161		errors: {
162		status: 500,
163		source: "/login",
164		title: "bcrypt error",
165		detail: "bcrypt error"
166		}
167		});
168		}
169
170		if (result) {
171		let payload = { api_key: user.apiKey, email: user.email };
172		let jwtToken = jwt.sign(payload, config.secret, { expiresIn: '24h' });
173
174		return res.json({
175		data: {
176		type: "success",
177		message: "User logged in",
178		user: payload,
179		token: jwtToken
180		}
181		});
182		} else {
		0 ignored issues – show Comprehensibility introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report `else` is not necessary here since all `if` branches return, consider removing it to reduce nesting and make code more readable. Loading history...
183		return res.status(401).json({
184		errors: {
185		status: 401,
186		source: "/login",
187		title: "Wrong password",
188		detail: "Password is incorrect."
189		}
190		});
191		}
192		});
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
193		});
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
194		}
195
196		function register(res, body) {
197		const email = body.email;
198		const password = body.password;
199		const apiKey = body.api_key;
200
201		if (!email \|\| !password) {
202		return res.status(401).json({
203		errors: {
204		status: 401,
205		source: "/register",
206		title: "Email or password missing",
207		detail: "Email or password missing in request"
208		}
209		});
210		}
211
212	View Code Duplication	bcrypt.hash(password, 10, function(err, hash) {
		0 ignored issues – show Duplication introduced 2019-02-22 14:50 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
213		if (err) {
214		return res.status(500).json({
215		errors: {
216		status: 500,
217		source: "/register",
218		title: "bcrypt error",
219		detail: "bcrypt error"
220		}
221		});
222		}
223
224		db.run("INSERT INTO users (apiKey, email, password) VALUES (?, ?, ?)",
225		apiKey,
226		email,
227		hash, (err) => {
228		if (err) {
229		return res.status(500).json({
230		errors: {
231		status: 500,
232		source: "/register",
233		title: "Database error",
234		detail: err.message
235		}
236		});
237		}
238
239		res.status(201).json({
240		data: {
241		message: "User successfully registered."
242		}
243		});
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
244		});
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
245		});
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
246		}
247
248		function checkToken(req, res, next) {
249		var token = req.headers['x-access-token'];
250
251		if (token) {
252		jwt.verify(token, config.secret, function(err, decoded) {
253		if (err) {
254		return res.status(500).json({
255		errors: {
256		status: 500,
257		source: req.path,
258		title: "Failed authentication",
259		detail: err.message
260		}
261		});
262		}
263
264		req.user = {};
265		req.user.api_key = decoded.api_key;
266		req.user.email = decoded.email;
267
268		next();
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
269		});
		0 ignored issues – show Best Practice introduced 2019-02-13 09:10 UTC by Report Bug Copy Issue Report There is no `return` statement in this branch, but you do return something in other branches. Did you maybe miss it? If you do not want to return anything, consider adding `return undefined;` explicitly. Loading history...
270		} else {
271		return res.status(401).json({
272		errors: {
273		status: 401,
274		source: req.path,
275		title: "No token",
276		detail: "No token provided in request headers"
277		}
278		});
279		}
280		}
281
282		return {
283		isValidAPIKey: isValidAPIKey,
284		getNewAPIKey: getNewAPIKey,
285		login: login,
286		register: register,
287		checkToken: checkToken
288		};
289		}());
290

emilfolino / order_api

Push — master ( 853a48...344ee9 )

auth.js ➔ ... ➔ ??? B

Complexity

Size

Duplication

Importance

How to fix Long Method

Long Method

Duplication Side-by-Side

Filter issues like