Dislocker/dislocker_auth.py

import psycopg2
import os
import json
from flask import Flask, request, jsonify, render_template
import uuid
import string
import random

config_dir_path = "./config/"
server_config_path = config_dir_path + "server.json"
onetime_config_path = config_dir_path + "onetime.json"
if not os.path.isfile(server_config_path):
    if not os.path.isdir(config_dir_path):
        os.mkdir(config_dir_path)

    server_config = {
        "db": {
            "host": "localhost",
            "port": "5432",
            "db_name": "dislocker",
            "username": "user",
            "password": "password"
        },
        "bot": {
            "token": "TYPE HERE BOTS TOKEN KEY",
            "activity": {
                "name": "Dislocker",
                "details": "ロック中...",
                "type": "playing",
                "state": "ロック中..."
            },
            "log_channel_id" : "TYPE HERE CHANNEL ID (YOU MUST USE INT !!!!)",
            "config_channel_id": "TYPE HERE CHANNEL ID (YOU MUST USE INT !!!!)",
            "config_public_channel_id": "TYPE HERE CHANNEL ID (YOU MUST USE INT !!!!)"
        }
    }
    with open(server_config_path, "w") as w:
        json.dump(server_config, w, indent=4)
elif os.path.isfile(server_config_path):
    with open(server_config_path, "r") as r:
        server_config = json.load(r)

class Auth():
    def __init__(self, host, db, port, user, password):
        self.db = psycopg2.connect(f"host={host} dbname={db} port={port} user={user} password={password}")
    
    def token_generate(self, length):
        letters = string.ascii_letters + string.digits
        password = ''.join(random.choice(letters) for _ in range(length))
        return password

    def check(self, **kwargs):
        try:
            cursor = self.db.cursor()
            pc_number = int(kwargs["pc_number"])
            pc_uuid = str(kwargs["pc_uuid"])
            pc_token = str(kwargs["pc_token"])

            if "password_hash" in kwargs:
                password_hash = str(kwargs["password_hash"])
                cursor.execute("SELECT * FROM pc_list WHERE pc_number = %s AND password_hash = %s AND pc_uuid = %s AND pc_token = %s", (pc_number, password_hash, pc_uuid, pc_token))
                pc_info = cursor.fetchall()
            else:
                cursor.execute("SELECT * FROM pc_list WHERE pc_number = %s AND pc_uuid = %s AND pc_token = %s", (pc_number, pc_uuid, pc_token))
                pc_info = cursor.fetchall()

            if pc_info:
                return {"result": 0, "about": "ok"}
            else:
                return {"result": 1, "about": "unregistered_pc"}

        except Exception as error:
            print("PCの登録状況を調査中にエラーが発生しました。\nエラー内容")
            print(str(error.__class__.__name__))
            print(str(error.args))
            print(str(error))
            return {"result": 1, "about": "error"}

        finally:
            cursor.close()
        
    def delete(self, pc_number):
        try:
            cursor = self.db.cursor()
            cursor.execute("UPDATE pc_list SET password_hash = NULL WHERE pc_number = %s", (pc_number,))
            self.db.commit()
            return {"result": 0, "about": "ok"}

        except Exception as error:
            print("パスワードの削除中にエラーが発生しました。\nエラー内容")
            print(str(error.__class__.__name__))
            print(str(error.args))
            print(str(error))
            return {"result": 1, "about": "error"}
        
        finally:
            cursor.close()

    def user_register_check(self, **kwargs):
        try:
            discord_user_id = str(kwargs["discord_user_id"])
            
            cursor = self.db.cursor()

            cursor.execute("SELECT * FROM club_member WHERE discord_user_id = %s", (discord_user_id,))
            user_record = cursor.fetchall()
            #ユーザーデータが見つかった場合(登録済みの場合)
            if user_record:
                member_id = user_record[0][0]
                name = user_record[0][1]
                discord_user_name = user_record[0][2]
                return {"result": 0, "about": "exist", "user_info": {"member_id": member_id, "name": name, "discord_user_name": discord_user_name}}
            #ユーザーデータがなかったら(未登録の場合)
            else:
                return {"result": 1, "about": "user_data_not_found"}

        except Exception as error:
            print("ユーザーの登録状況を調査中にエラーが発生しました。\nエラー内容")
            print(str(error.__class__.__name__))
            print(str(error.args))
            print(str(error))
            return {"result": 1, "about": "error"}
        
        finally:
            cursor.close()

    def stop(self, **kwargs):
        # bot側のfstopを基に
        try:
            pc_number = kwargs["pc_number"]
            cursor = self.db.cursor()
            cursor.execute("SELECT * FROM pc_list WHERE pc_number = %s", (pc_number,))
            pc_list_record = cursor.fetchall()
            pc_using_member_id = pc_list_record[0][1]
            pc_password_hash = pc_list_record[0][2]
            if pc_using_member_id == None:
                return {"result": 1, "about": "not_used"}
            else:
                cursor.execute("UPDATE pc_list SET using_member_id = NULL WHERE pc_number = %s", (pc_number,))
                if pc_password_hash == None:
                    pass
                else:
                    cursor.execute("UPDATE pc_list SET password_hash = NULL WHERE pc_number = %s", (pc_number,))
                cursor.execute("SELECT * FROM pc_usage_history WHERE member_id = %s AND pc_number = %s ORDER BY id DESC LIMIT 1", (pc_using_member_id, pc_number))
                pc_usage_history_record = cursor.fetchall()
                pc_usage_history_record_id = pc_usage_history_record[0][0]
                keyboard_number = pc_usage_history_record[0][3]
                mouse_number = pc_usage_history_record[0][4]
                if keyboard_number == None:
                    pass
                else:
                    # keyboard_listの使用中ユーザーを消す
                    cursor.execute("UPDATE keyboard_list SET using_member_id = NULL WHERE keyboard_number = %s", (keyboard_number,))
                if mouse_number == None:
                    pass
                else:
                    # mouse_listの使用中ユーザーを消す
                    cursor.execute("UPDATE mouse_list SET using_member_id = NULL WHERE mouse_number = %s", (mouse_number,))
                cursor.execute("UPDATE pc_usage_history SET end_use_time = clock_timestamp() WHERE id = %s", (pc_usage_history_record_id,))
                self.db.commit()
                return {"result": 0, "about": "ok"}
                
        except Exception as error:
            print("停止処理中にエラーが発生しました。\nエラー内容")
            print(str(error.__class__.__name__))
            print(str(error.args))
            print(str(error))
            return {"result": 1, "about": "error"}

        finally:
            cursor.close()

    def register(self, **kwargs):
        try:
            cursor = self.db.cursor()
            pc_number = int(kwargs["pc_number"])
            pc_uuid = str(kwargs["pc_uuid"])
            cursor.execute("SELECT pc_uuid FROM pc_list WHERE pc_number = %s", (pc_number,))
            pc_record = cursor.fetchall()
            pc_record_uuid = pc_record[0][0]
            if pc_record_uuid == None:
                pc_token = self.token_generate(36)
                cursor.execute("UPDATE pc_list SET pc_uuid = %s, pc_token = %s WHERE pc_number = %s", (pc_uuid, pc_token, pc_number))
                self.db.commit()
                os.remove(onetime_config_path)
                return {"result": 0, "about": "ok", "output_dict": {"pc_token": pc_token}}
            else:
                return {"result": 1, "about": "exist"}
            
        except Exception as error:
            print("停止処理中にエラーが発生しました。\nエラー内容")
            print(str(error.__class__.__name__))
            print(str(error.args))
            print(str(error))
            return {"result": 1, "about": "error"}

        finally:
            cursor.close()


app = Flask(__name__, static_folder="./resource/")
auth = Auth(server_config["db"]["host"], server_config["db"]["db_name"], server_config["db"]["port"], server_config["db"]["username"], server_config["db"]["password"])

@app.route('/register', methods=['POST'])
def register():
    pc_number = int(request.json.get('pc_number'))
    pc_uuid = str(request.json.get('pc_uuid'))
    onetime_password = str(request.json.get('onetime'))

    if os.path.isfile(onetime_config_path):
        with open(onetime_config_path, "r") as r:
            onetime_config = json.load(r)
        
        if onetime_password == onetime_config["onetime"]:
            register_result = auth.register(pc_number=pc_number, pc_uuid=pc_uuid)
            pc_token = register_result["output_dict"]["pc_token"]
            return jsonify({'message': 'ok', 'pc_token': pc_token}), 200
        else:
            return jsonify({'message': 'damedesu'}), 401
    else:
        return jsonify({'message': 'damedesu'}), 401

@app.route('/verify', methods=['POST'])
def verify():
    pc_number = int(request.json.get('pc_number'))
    password_hash = request.json.get('password')
    pc_uuid = request.json.get('pc_uuid')
    pc_token = request.json.get('pc_token')
    print(str(pc_number) + "の認証処理を開始...")
    pc_auth = auth.check(pc_number=pc_number, password_hash=password_hash, pc_uuid=pc_uuid, pc_token=pc_token)

    if pc_auth["result"] == 0:
        auth.delete(pc_number)
        print(str(pc_number) + "の認証処理は成功しました.")
        return jsonify({'message': 'ok'}), 200
    else:
        print(str(pc_number) + "の認証処理は失敗しました.")
        return jsonify({'message': 'damedesu'}), 401
    
@app.route('/stop', methods=['POST'])
def stop():
    pc_number = int(request.json.get('pc_number'))
    pc_uuid = str(request.json.get('pc_uuid'))
    pc_token = str(request.json.get('pc_token'))
    print(str(pc_number) + "の使用停止処理を開始...")

    pc_auth = auth.check(pc_number=pc_number, pc_uuid=pc_uuid, pc_token=pc_token)

    if pc_auth["result"] == 0:
        pc_stop = auth.stop(pc_number=pc_number)
        if pc_stop["result"] == 0:
            print(str(pc_number) + "の使用停止処理は成功しました.")
            return jsonify({'message': 'ok'}), 200
        else:
            print(str(pc_number) + "の使用停止処理は失敗しました.")
            return jsonify({'message': 'error'}), 500
    else:
        return jsonify({'message': 'damedesu'}), 401

    
if __name__ == '__main__':
    app.run(host="0.0.0.0", port=5000, debug=False)