auth.deleteData - Code Metrics - Inspection of "Finished deregistration flow" - emilfolino/order_api - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( e7e1b8...a26a04 )

by Emil

created 2019-02-28 09:20 UTC

auth.deleteData A

↳ Parent: auth.deleteData

Complexity

Conditions	2
Paths	2

Size

Total Lines	44
Code Lines	28

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	5
CRAP Score	3.1852

Importance

Changes

Metric	Value
cc	2
eloc	28
nc	2
nop	1
dl	0
loc	44
ccs	5
cts	15
cp	0.3333
crap	3.1852
rs	9.208
c	0
b	0
f	0

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

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

let config;

try {
    config = require('../../config/config.json');
} catch (error) {
    console.error(error);
}

const jwtSecret = process.env.JWT_SECRET || config.secret;

const auth = {
    checkAPIKey: function (req, res, next) {
        if ( req.path == '/') {
            return next();
        }

        if ( req.path == '/v2') {
            return next();
        }

        if ( req.path == '/auth/api_key') {
            return next();
        }

        if ( req.path == '/auth/api_key/confirmation') {
            return next();
        }

        if ( req.path == '/auth/api_key/deregister') {
            return next();
        }

        auth.isValidAPIKey(req.query.api_key || req.body.api_key, next, req.path, res);

    },

    isValidAPIKey: function(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();
            }

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

    getNewAPIKey: function(res, email) {
        let data = {
            apiKey: ""
        };

        if (email === undefined || !validator.validate(email)) {
            data.message = "A valid email address is required to obtain an API key.";
            data.email = email;

            return res.render("api_key/form", data);
        }

        db.get("SELECT email, key FROM apikeys WHERE email = ?", email, (err, row) => {
            if (err) {
                data.message = "Database error: " + err.message;
                data.email = email;

                return res.render("api_key/form", data);
            }

            if (row !== undefined) {
                data.apiKey = row.key;

                return res.render("api_key/confirmation", data);
            }

            return auth.getUniqueAPIKey(res, email);
        });

    },

    getUniqueAPIKey: function(res, email) {
        const apiKey = hat();
        let data = {
            apiKey: ""
        };

        db.get("SELECT key FROM apikeys WHERE key = ?", apiKey, (err, row) => {
            if (err) {
                data.message = "Database error: " + err.message;
                data.email = email;

                return res.render("api_key/form", data);
            }

            if (row === undefined) {
                db.run("INSERT INTO apikeys (key, email) VALUES (?, ?)",
                    apiKey,
                    email, (err) => {
                        if (err) {
                            data.message = "Database error: " + err.message;
                            data.email = email;

                            return res.render("api_key/form", data);
                        }

                        data.apiKey = apiKey;

                        return res.render("api_key/confirmation", data);
                    });

            } else {
                return auth.getUniqueAPIKey(res, email);
            }
        });
    },

    deregister: function(res, body) {
        const email = body.email;
        const apiKey = body.apikey;

        db.get("SELECT key FROM apikeys WHERE key = ? and email = ?",
            apiKey,
            email,
            (err, row) => {
                if (err) {
                    let data = {
                        message: "Database error: " + err.message,
                        email: email,
                        apikey: apiKey
                    };

                    return res.render("api_key/deregister", data);
                }

                if (row === undefined) {
                    let data = {
                        message: "The E-mail and API-key combination does not exist.",
                        email: email,
                        apikey: apiKey
                    };

                    return res.render("api_key/deregister", data);
                }

                return auth.deleteData(res, apiKey, email);
            });
    },

    deleteData: function(res, apiKey, email) {
        let errorMessages = [];

        db.run("DELETE FROM apikeys WHERE key = ?",
            apiKey,
            (err) => {
                if (err) {
                    errorMessages.push(err);
                }

                db.run("DELETE FROM deliveries WHERE apiKey = ?",
                    apiKey,
                    (err) => {
                        if (err) {
                            errorMessages.push(err);
                        }

                        db.run("DELETE FROM invoices WHERE apiKey = ?",
                            apiKey,
                            (err) => {
                                if (err) {
                                    errorMessages.push(err);
                                }

                                db.run("DELETE FROM orders WHERE apiKey = ?",
                                    apiKey,
                                    (err) => {
                                        if (err) {
                                            errorMessages.push(err);
                                        }

                                        db.run("DELETE FROM order_items WHERE apiKey = ?",
                                            apiKey,
                                            (err) => {
                                                if (err) {
                                                    errorMessages.push(err);
                                                }

                                                db.run("DELETE FROM products WHERE apiKey = ?",
                                                    apiKey,
                                                    (err) => {
                                                        if (err) {
                                                            errorMessages.push(err);
                                                        }

                                                        db.run("DELETE FROM users WHERE apiKey = ?",
                                                            apiKey,
                                                            (err) => {
                                                                if (err) {
                                                                    errorMessages.push(err);
                                                                }

                                                                return auth.afterDelete(
                                                                    res,
                                                                    apiKey,
                                                                    email,
                                                                    errorMessages
                                                                );
                                                            });
                                                    });
                                            });
                                    });
                            });
                    });
            });
    },

    afterDelete: function(res, apiKey, email, errorMessages) {
        if (errorMessages.length > 0) {
            let data = {
                message: "Could not delete data due to: " +
                    errorMessages.join(" | "),
                email: email,
                apikey: apiKey
            };

            return res.render("api_key/deregister", data);
        }

        let data = {
            message: "All data has been deleted",
            email: ""
        };

        return res.render("api_key/form", data);
    },

    login: function(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, jwtSecret, { expiresIn: '24h' });

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

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

            });

    },

    register: function(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
                            }
                        });
                    }

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

        });

    },

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

        if (token) {

            jwt.verify(token, jwtSecret, 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();

                return undefined;
            });

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

module.exports = auth;


1	1		const db = require("../db/database.js");
2	1		const hat = require("hat");
3	1		const validator = require("email-validator");
4
5	1		const bcrypt = require('bcrypt');
6	1		const jwt = require('jsonwebtoken');
7
8			let config;
9
10	1		try {
11	1		config = require('../../config/config.json');
12			} catch (error) {
13	1		console.error(error);
14			}
15
16	2		const jwtSecret = process.env.JWT_SECRET \|\| config.secret;
17
18	1		const auth = {
19			checkAPIKey: function (req, res, next) {
20	108		if ( req.path == '/') {
21	1		return next();
22			}
23
24	107		if ( req.path == '/v2') {
25			return next();
26			}
27
28	107		if ( req.path == '/auth/api_key') {
29	1		return next();
30			}
31
32	106		if ( req.path == '/auth/api_key/confirmation') {
33	11		return next();
34			}
35
36	95		if ( req.path == '/auth/api_key/deregister') {
37			return next();
38			}
39
40	95		auth.isValidAPIKey(req.query.api_key \|\| req.body.api_key, next, req.path, res);
			0 ignored issues – show Best Practice introduced 2019-02-22 14:50 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...
41			},
42
43			isValidAPIKey: function(apiKey, next, path, res) {
44	95	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...
45	95		if (err) {
46			return res.status(500).json({
47			errors: {
48			status: 500,
49			source: path,
50			title: "Database error",
51			detail: err.message
52			}
53			});
54			}
55
56	95		if (row !== undefined) {
57	86		return next();
58			}
59
60	9		return res.status(401).json({
61			errors: {
62			status: 401,
63			source: path,
64			title: "Valid API key",
65			detail: "No valid API key provided."
66			}
67			});
68			});
69			},
70
71			getNewAPIKey: function(res, email) {
72	9		let data = {
73			apiKey: ""
74			};
75
76	9		if (email === undefined \|\| !validator.validate(email)) {
77	1		data.message = "A valid email address is required to obtain an API key.";
78	1		data.email = email;
79
80	1		return res.render("api_key/form", data);
81			}
82
83	8		db.get("SELECT email, key FROM apikeys WHERE email = ?", email, (err, row) => {
84	8		if (err) {
85			data.message = "Database error: " + err.message;
86			data.email = email;
87
88			return res.render("api_key/form", data);
89			}
90
91	8		if (row !== undefined) {
92			data.apiKey = row.key;
93
94			return res.render("api_key/confirmation", data);
95			}
96
97	8		return auth.getUniqueAPIKey(res, email);
98			});
			0 ignored issues – show Best Practice introduced 2019-02-13 10:24 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...
99			},
100
101			getUniqueAPIKey: function(res, email) {
102	8		const apiKey = hat();
103	8		let data = {
104			apiKey: ""
105			};
106
107	8		db.get("SELECT key FROM apikeys WHERE key = ?", apiKey, (err, row) => {
108	8		if (err) {
109			data.message = "Database error: " + err.message;
110			data.email = email;
111
112			return res.render("api_key/form", data);
113			}
114
115	8		if (row === undefined) {
116	8		db.run("INSERT INTO apikeys (key, email) VALUES (?, ?)",
117			apiKey,
118			email, (err) => {
119	8		if (err) {
120			data.message = "Database error: " + err.message;
121			data.email = email;
122
123			return res.render("api_key/form", data);
124			}
125
126	8		data.apiKey = apiKey;
127
128	8		return res.render("api_key/confirmation", data);
129			});
			0 ignored issues – show Best Practice introduced 2019-02-27 12:56 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...
130			} else {
131			return auth.getUniqueAPIKey(res, email);
132			}
133			});
134			},
135
136			deregister: function(res, body) {
137			const email = body.email;
138			const apiKey = body.apikey;
139
140			db.get("SELECT key FROM apikeys WHERE key = ? and email = ?",
141			apiKey,
142			email,
143			(err, row) => {
144	2		if (err) {
145			let data = {
146			message: "Database error: " + err.message,
147			email: email,
148			apikey: apiKey
149			};
150
151			return res.render("api_key/deregister", data);
152			}
153
154	2		if (row === undefined) {
155			let data = {
156			message: "The E-mail and API-key combination does not exist.",
157			email: email,
158			apikey: apiKey
159			};
160
161			return res.render("api_key/deregister", data);
162			}
163
164			return auth.deleteData(res, apiKey, email);
165			});
166			},
167
168			deleteData: function(res, apiKey, email) {
169			let errorMessages = [];
170
171			db.run("DELETE FROM apikeys WHERE key = ?",
172			apiKey,
173			(err) => {
174	2		if (err) {
175			errorMessages.push(err);
176			}
177
178			db.run("DELETE FROM deliveries WHERE apiKey = ?",
179			apiKey,
180			(err) => {
181	2		if (err) {
182			errorMessages.push(err);
183			}
184
185			db.run("DELETE FROM invoices WHERE apiKey = ?",
186			apiKey,
187			(err) => {
188	2		if (err) {
189			errorMessages.push(err);
190			}
191
192			db.run("DELETE FROM orders WHERE apiKey = ?",
193			apiKey,
194			(err) => {
195	2		if (err) {
196			errorMessages.push(err);
197			}
198
199			db.run("DELETE FROM order_items WHERE apiKey = ?",
200			apiKey,
201			(err) => {
202	2		if (err) {
203			errorMessages.push(err);
204			}
205
206			db.run("DELETE FROM products WHERE apiKey = ?",
207			apiKey,
208			(err) => {
209	2		if (err) {
210			errorMessages.push(err);
211			}
212
213			db.run("DELETE FROM users WHERE apiKey = ?",
214			apiKey,
215			(err) => {
216	2		if (err) {
217			errorMessages.push(err);
218			}
219
220			return auth.afterDelete(
221			res,
222			apiKey,
223			email,
224			errorMessages
225			);
226			});
227			});
228			});
229			});
230			});
231			});
232			});
233			},
234
235			afterDelete: function(res, apiKey, email, errorMessages) {
236	2		if (errorMessages.length > 0) {
237			let data = {
238			message: "Could not delete data due to: " +
239			errorMessages.join(" \| "),
240			email: email,
241			apikey: apiKey
242			};
243
244			return res.render("api_key/deregister", data);
245			}
246
247			let data = {
248			message: "All data has been deleted",
249			email: ""
250			};
251
252			return res.render("api_key/form", data);
253			},
254
255			login: function(res, body) {
256	6		const email = body.email;
257	6		const password = body.password;
258	6		const apiKey = body.api_key;
259
260	6		if (!email \|\| !password) {
261	2		return res.status(401).json({
262			errors: {
263			status: 401,
264			source: "/login",
265			title: "Email or password missing",
266			detail: "Email or password missing in request"
267			}
268			});
269			}
270
271	4		db.get("SELECT * FROM users WHERE apiKey = ? AND email = ?",
272			apiKey,
273			email,
274		View Code Duplication	(err, rows) => {
			0 ignored issues – show Duplication introduced 2019-02-25 13:54 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
275	4		if (err) {
276			return res.status(500).json({
277			errors: {
278			status: 500,
279			source: "/login",
280			title: "Database error",
281			detail: err.message
282			}
283			});
284			}
285
286	4		if (rows === undefined) {
287	1		return res.status(401).json({
288			errors: {
289			status: 401,
290			source: "/login",
291			title: "User not found",
292			detail: "User with provided email not found."
293			}
294			});
295			}
296
297	3		const user = rows;
298
299	3		bcrypt.compare(password, user.password, (err, result) => {
300	3		if (err) {
301			return res.status(500).json({
302			errors: {
303			status: 500,
304			source: "/login",
305			title: "bcrypt error",
306			detail: "bcrypt error"
307			}
308			});
309			}
310
311	3		if (result) {
312	2		let payload = { api_key: user.apiKey, email: user.email };
313	2		let jwtToken = jwt.sign(payload, jwtSecret, { expiresIn: '24h' });
314
315	2		return res.json({
316			data: {
317			type: "success",
318			message: "User logged in",
319			user: payload,
320			token: jwtToken
321			}
322			});
323			}
324
325	1		return res.status(401).json({
326			errors: {
327			status: 401,
328			source: "/login",
329			title: "Wrong password",
330			detail: "Password is incorrect."
331			}
332			});
333			});
			0 ignored issues – show Best Practice introduced 2019-02-13 10:24 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...
334			});
			0 ignored issues – show Best Practice introduced 2019-02-13 10:24 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...
335			},
336
337			register: function(res, body) {
338	5		const email = body.email;
339	5		const password = body.password;
340	5		const apiKey = body.api_key;
341
342	5		if (!email \|\| !password) {
343	2		return res.status(401).json({
344			errors: {
345			status: 401,
346			source: "/register",
347			title: "Email or password missing",
348			detail: "Email or password missing in request"
349			}
350			});
351			}
352
353	3	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...
354	3		if (err) {
355			return res.status(500).json({
356			errors: {
357			status: 500,
358			source: "/register",
359			title: "bcrypt error",
360			detail: "bcrypt error"
361			}
362			});
363			}
364
365	3		db.run("INSERT INTO users (apiKey, email, password) VALUES (?, ?, ?)",
366			apiKey,
367			email,
368			hash, (err) => {
369	3		if (err) {
370	1		return res.status(500).json({
371			errors: {
372			status: 500,
373			source: "/register",
374			title: "Database error",
375			detail: err.message
376			}
377			});
378			}
379
380	2		return res.status(201).json({
381			data: {
382			message: "User successfully registered."
383			}
384			});
385			});
			0 ignored issues – show Best Practice introduced 2019-02-13 10:24 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...
386			});
			0 ignored issues – show Best Practice introduced 2019-02-13 10:24 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...
387			},
388
389			checkToken: function(req, res, next) {
390	14		var token = req.headers['x-access-token'];
391
392	14	View Code Duplication	if (token) {
			0 ignored issues – show Duplication introduced 2019-02-25 13:54 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
393	11		jwt.verify(token, jwtSecret, function(err, decoded) {
394	11		if (err) {
395			return res.status(500).json({
396			errors: {
397			status: 500,
398			source: req.path,
399			title: "Failed authentication",
400			detail: err.message
401			}
402			});
403			}
404
405	11		req.user = {};
406	11		req.user.api_key = decoded.api_key;
407	11		req.user.email = decoded.email;
408
409	11		next();
410
411	11		return undefined;
412			});
			0 ignored issues – show Best Practice introduced 2019-02-13 10:24 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...
413			} else {
414	3		return res.status(401).json({
415			errors: {
416			status: 401,
417			source: req.path,
418			title: "No token",
419			detail: "No token provided in request headers"
420			}
421			});
422			}
423			}
424			};
425
426			module.exports = auth;
427

emilfolino / order_api

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auth.deleteData A

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