api/controllers/UserController.ts

/**
* This file is part of SudoBot.
* 
* Copyright (C) 2021-2022 OSN Inc.
*
* SudoBot is free software; you can redistribute it and/or modify it
* under the terms of the GNU Affero General Public License as published by 
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* 
* SudoBot is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of 
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License 
* along with SudoBot. If not, see <https://www.gnu.org/licenses/>.
*/

import Request from "../Request";
import User from "../../models/User";
import Controller from "../Controller";
import { body } from 'express-validator';
import bcrypt from 'bcrypt';
import jwt from 'jsonwebtoken';
import KeyValuePair from "../../types/KeyValuePair";
import Response from "../Response";
import { NextFunction, Response as ExpressResponse } from "express";
import ValidatorError from "../middleware/ValidatorError";
import RequireAuth from "../middleware/RequireAuth";

function RequireAdmin(request: Request, response: ExpressResponse, next: NextFunction) {
    if (!request.user?.isAdmin) {
        response.status(403).send({ error: "Forbidden", code: 403 });
        return;
    }

    next();
}

export default class UserController extends Controller {
    middleware(): KeyValuePair<Function[]> {
        return {
            index: [RequireAuth, RequireAdmin],
            create: [
                RequireAuth,
                RequireAdmin,
                body(["password"]).isLength({ min: 2 }), 
                body(["username"]).custom(async username => {
                    const user = await User.findOne({ username });

                    if (user) {
                        return Promise.reject("Username is already in use");
                    }

                    return username;
                }),
                body(["discord_id"]).custom(value => /\d+/g.test(value) ? value : Promise.reject("Invalid Snowflake Given"))
            ],
            login: [
                body(["username", "password"]).isLength({ min: 2 }),
            ],
            delete: [
                RequireAuth,
                body(["username", "password"]).isLength({ min: 2 }),
            ]
        };
    }

    globalMiddleware(): Function[] {
        return [ValidatorError];
    }

    public async index() {
        return await User.find().select(["_id", "username", "createdAt"]).limit(30);
    }

    public async create(request: Request) {
        const user = new User();

        user.username = request.body.username;
        user.discord_id = request.body.discord_id;
        user.createdAt = new Date();
        user.tokenUpdatedAt = new Date();

        try {
            await user.save();
        }
        catch (e) {
            return { error: "DB validation error", error_type: 'db_validation' };
        }

        const salt = await bcrypt.genSalt();
        user.password = await bcrypt.hash(request.body.password, salt);

        const token = await jwt.sign({
            username: user.username,
            discord_id: user.discord_id,
            _id: user.id
        }, process.env.JWT_SECRET!, {
            expiresIn: "2 days",
            issuer: "SudoBot API",
        });

        user.token = token;
        
        try {
            await user.save();
        }
        catch (e) {
            return { error: "Token signing error", error_type: 'token_signing' };
        }

        user.password = undefined;
        return user;
    }

    public async delete(request: Request) {
        const { username, password } = request.body;
        const user = await User.findOne({ username });

        if (!user) {
            return { error: "Username is incorrect." };
        }

        if (!(await bcrypt.compare(password, user.password!))) {
            return { error: "Password is incorrect." };
        }

        await user.delete();

        user.password = undefined;
        user.token = undefined;
        user.tokenUpdatedAt = undefined;

        return {
            message: "Account deletion successful",
            user
        };
    }

    public async login(request: Request) {
        const { username, password } = request.body;
        const user = await User.findOne({ username });

        if (!user) {
            return { error: "Username is incorrect." };
        }

        if (!(await bcrypt.compare(password, user.password!))) {
            return { error: "Password is incorrect." };
        }

        let { token } = user;

        try {
            if (!token) {
                throw new Error("Token is not set");
            }

            if (!jwt.verify(token, process.env.JWT_SECRET!)) {
                throw new Error("Token is not valid");
            }
        }
        catch (e) {
            console.log(e);    
            
            const newToken = await jwt.sign({
                username: user.username,
                discord_id: user.discord_id,
                _id: user.id
            }, process.env.JWT_SECRET!, {
                expiresIn: "2 days",
                issuer: "SudoBot API",
            });    

            token = newToken;
            user.tokenUpdatedAt = new Date();
            user.token = newToken;
            await user.save();
        }

        return {
            message: "Login successful",
            username,
            token,
            expires: new Date(user.tokenUpdatedAt!.getTime() + (2 * 24 * 60 * 60 * 1000)),
            guilds: this.client.guilds.cache.filter(g => user.guilds.includes(g.id) ?? false)
        };
    }
}
1	rakin	393	/**
2			* This file is part of SudoBot.
3			*
4			* Copyright (C) 2021-2022 OSN Inc.
5			*
6			* SudoBot is free software; you can redistribute it and/or modify it
7			* under the terms of the GNU Affero General Public License as published by
8			* the Free Software Foundation, either version 3 of the License, or
9			* (at your option) any later version.
10			*
11			* SudoBot is distributed in the hope that it will be useful, but
12			* WITHOUT ANY WARRANTY; without even the implied warranty of
13			* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14			* GNU Affero General Public License for more details.
15			*
16			* You should have received a copy of the GNU Affero General Public License
17			* along with SudoBot. If not, see <https://www.gnu.org/licenses/>.
18			*/
19
20	rakin	395	import Request from "../Request";
21	rakin	348	import User from "../../models/User";
22	rakin	326	import Controller from "../Controller";
23	rakin	349	import { body } from 'express-validator';
24	rakin	348	import bcrypt from 'bcrypt';
25			import jwt from 'jsonwebtoken';
26			import KeyValuePair from "../../types/KeyValuePair";
27			import Response from "../Response";
28	rakin	395	import { NextFunction, Response as ExpressResponse } from "express";
29	rakin	349	import ValidatorError from "../middleware/ValidatorError";
30			import RequireAuth from "../middleware/RequireAuth";
31	rakin	326
32	rakin	395	function RequireAdmin(request: Request, response: ExpressResponse, next: NextFunction) {
33			if (!request.user?.isAdmin) {
34			response.status(403).send({ error: "Forbidden", code: 403 });
35			return;
36			}
37
38			next();
39			}
40
41	rakin	326	export default class UserController extends Controller {
42	rakin	348	middleware(): KeyValuePair<Function[]> {
43			return {
44	rakin	395	index: [RequireAuth, RequireAdmin],
45	rakin	348	create: [
46	rakin	395	RequireAuth,
47			RequireAdmin,
48	rakin	348	body(["password"]).isLength({ min: 2 }),
49			body(["username"]).custom(async username => {
50			const user = await User.findOne({ username });
51
52			if (user) {
53			return Promise.reject("Username is already in use");
54			}
55
56			return username;
57			}),
58			body(["discord_id"]).custom(value => /\d+/g.test(value) ? value : Promise.reject("Invalid Snowflake Given"))
59	rakin	349	],
60			login: [
61			body(["username", "password"]).isLength({ min: 2 }),
62			],
63			delete: [
64			RequireAuth,
65			body(["username", "password"]).isLength({ min: 2 }),
66	rakin	348	]
67			};
68	rakin	326	}
69	rakin	348
70	rakin	349	globalMiddleware(): Function[] {
71			return [ValidatorError];
72			}
73
74	rakin	348	public async index() {
75	rakin	349	return await User.find().select(["_id", "username", "createdAt"]).limit(30);
76	rakin	348	}
77
78			public async create(request: Request) {
79			const user = new User();
80
81			user.username = request.body.username;
82			user.discord_id = request.body.discord_id;
83			user.createdAt = new Date();
84	rakin	349	user.tokenUpdatedAt = new Date();
85	rakin	348
86			try {
87			await user.save();
88			}
89			catch (e) {
90			return { error: "DB validation error", error_type: 'db_validation' };
91			}
92
93			const salt = await bcrypt.genSalt();
94			user.password = await bcrypt.hash(request.body.password, salt);
95
96			const token = await jwt.sign({
97			username: user.username,
98			discord_id: user.discord_id,
99			_id: user.id
100			}, process.env.JWT_SECRET!, {
101			expiresIn: "2 days",
102			issuer: "SudoBot API",
103			});
104
105			user.token = token;
106
107			try {
108			await user.save();
109			}
110			catch (e) {
111			return { error: "Token signing error", error_type: 'token_signing' };
112			}
113
114			user.password = undefined;
115			return user;
116			}
117	rakin	349
118			public async delete(request: Request) {
119			const { username, password } = request.body;
120			const user = await User.findOne({ username });
121
122			if (!user) {
123			return { error: "Username is incorrect." };
124			}
125
126			if (!(await bcrypt.compare(password, user.password!))) {
127			return { error: "Password is incorrect." };
128			}
129
130			await user.delete();
131
132			user.password = undefined;
133			user.token = undefined;
134			user.tokenUpdatedAt = undefined;
135
136			return {
137			message: "Account deletion successful",
138			user
139			};
140			}
141
142			public async login(request: Request) {
143			const { username, password } = request.body;
144			const user = await User.findOne({ username });
145
146			if (!user) {
147			return { error: "Username is incorrect." };
148			}
149
150			if (!(await bcrypt.compare(password, user.password!))) {
151			return { error: "Password is incorrect." };
152			}
153
154			let { token } = user;
155
156			try {
157			if (!token) {
158			throw new Error("Token is not set");
159			}
160
161			if (!jwt.verify(token, process.env.JWT_SECRET!)) {
162			throw new Error("Token is not valid");
163			}
164			}
165			catch (e) {
166			console.log(e);
167
168			const newToken = await jwt.sign({
169			username: user.username,
170			discord_id: user.discord_id,
171			_id: user.id
172			}, process.env.JWT_SECRET!, {
173			expiresIn: "2 days",
174			issuer: "SudoBot API",
175			});
176
177			token = newToken;
178			user.tokenUpdatedAt = new Date();
179			user.token = newToken;
180			await user.save();
181			}
182
183			return {
184			message: "Login successful",
185			username,
186			token,
187	rakin	379	expires: new Date(user.tokenUpdatedAt!.getTime() + (2 * 24 * 60 * 60 * 1000)),
188			guilds: this.client.guilds.cache.filter(g => user.guilds.includes(g.id) ?? false)
189	rakin	349	};
190			}
191	rakin	326	}