577 lines
16 KiB
Python
577 lines
16 KiB
Python
#!/usr/bin/python3
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import os
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import sqlite3
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import time
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import secrets
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import configparser
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import asyncio
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from hypercorn.config import Config
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from hypercorn.asyncio import serve
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from werkzeug.security import generate_password_hash, check_password_hash
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from quart import Quart, request
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from json import loads
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# Parse configuration file, and check if anything is wrong with it
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if not os.path.exists("config.ini"):
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print("[FATAL] config.ini does not exist")
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exit(1)
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config = configparser.ConfigParser()
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config.read("config.ini")
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print("[INFO] Config loaded at", str(int(time.time())))
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HOST = config["config"]["HOST"]
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PORT = config["config"]["PORT"]
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SECRET_KEY = config["config"]["SECRET_KEY"]
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MAX_STORAGE = config["config"]["MAX_STORAGE"]
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if SECRET_KEY == "supersecretkey" or SECRET_KEY == "placeholder":
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print("[WARNING] Secret key not set. Please set the secret key to a non-default value.")
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# Define Quart
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app = Quart(__name__)
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app.config["SECRET_KEY"] = SECRET_KEY
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# Database functions
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def get_db_connection():
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conn = sqlite3.connect("database.db")
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conn.row_factory = sqlite3.Row
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return conn
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def get_user(identifier):
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conn = get_db_connection()
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post = conn.execute("SELECT * FROM users WHERE id = ?",
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(identifier,)).fetchone()
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conn.close()
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if post is None:
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return None
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return post
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def get_note(identifier):
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conn = get_db_connection()
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post = conn.execute("SELECT * FROM notes WHERE id = ?",
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(identifier,)).fetchone()
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conn.close()
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if post is None:
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return None
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return post
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def get_space(identifier):
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conn = get_db_connection()
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notes = conn.execute("SELECT content, title FROM notes WHERE creator = ? ORDER BY id DESC;",
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(identifier,)).fetchall()
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conn.close()
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spacetaken = 0
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for x in notes:
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spacetaken = spacetaken + len(x["content"].encode("utf-8"))
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spacetaken = spacetaken + len(x["title"].encode("utf-8"))
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return spacetaken
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def get_note_count(identifier):
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conn = get_db_connection()
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notes = conn.execute("SELECT content, title FROM notes WHERE creator = ? ORDER BY id DESC;",
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(identifier,)).fetchall()
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conn.close()
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return len(notes)
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def get_session(identifier):
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conn = get_db_connection()
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post = conn.execute("SELECT * FROM sessions WHERE session = ?",
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(identifier,)).fetchone()
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conn.close()
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if post is None:
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return None
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return post
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def check_username_taken(username):
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conn = get_db_connection()
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post = conn.execute("SELECT * FROM users WHERE lower(username) = ?",
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(username.lower(),)).fetchone()
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conn.close()
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if post is None:
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return None
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return post["id"]
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# Disable CORS
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@app.after_request
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async def add_cors_headers(response):
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response.headers.add("Access-Control-Allow-Origin", "*")
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response.headers.add("Access-Control-Allow-Headers", "*")
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response.headers.add("Access-Control-Allow-Methods", "*")
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return response
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# Live editing store
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messages = {}
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@app.route("/api/version", methods=("GET", "POST"))
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async def apiversion():
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return "Burgernotes Version 1.2"
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@app.route("/api/signup", methods=("GET", "POST"))
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async def apisignup():
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if request.method == "POST":
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data = await request.get_json()
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username = data["username"]
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password = data["password"]
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if username == "":
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return {}, 422
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if len(username) > 20:
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return {}, 422
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if not username.isalnum():
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return {}, 422
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if password == "":
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return {}, 422
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if len(password) < 14:
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return {}, 422
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if not check_username_taken(username) is None:
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return {}, 409
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hashedpassword = generate_password_hash(password)
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conn = get_db_connection()
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conn.execute("INSERT INTO users (username, password, created) VALUES (?, ?, ?)",
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(username, hashedpassword, str(time.time())))
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userID = check_username_taken(username)
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randomCharacters = secrets.token_hex(512)
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conn.execute("INSERT INTO sessions (session, id, device) VALUES (?, ?, ?)",
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(randomCharacters, userID, request.headers.get("user-agent")))
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conn.commit()
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conn.close()
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return {
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"key": randomCharacters
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}, 200
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@app.route("/api/login", methods=("GET", "POST"))
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async def apilogin():
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if request.method == "POST":
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data = await request.get_json()
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username = data["username"]
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password = data["password"]
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passwordchange = data["passwordchange"]
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newpass = data["newpass"]
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check_username_thing = check_username_taken(username)
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if check_username_thing is None:
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return {}, 401
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userID = check_username_taken(username)
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user = get_user(userID)
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if not check_password_hash(user["password"], password):
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return {}, 401
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randomCharacters = secrets.token_hex(512)
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conn = get_db_connection()
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conn.execute("INSERT INTO sessions (session, id, device) VALUES (?, ?, ?)",
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(randomCharacters, userID, request.headers.get("user-agent")))
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if passwordchange == "yes":
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hashedpassword = generate_password_hash(newpass)
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conn.execute("UPDATE users SET password = ? WHERE username = ?", (hashedpassword, username))
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conn.commit()
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conn.close()
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return {
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"key": randomCharacters,
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}, 200
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@app.route("/api/userinfo", methods=("GET", "POST"))
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async def apiuserinfo():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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datatemplate = {
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"username": user["username"],
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"id": user["id"],
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"created": user["created"],
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"storageused": get_space(user["id"]),
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"storagemax": MAX_STORAGE,
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"notecount": get_note_count(user["id"])
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}
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return datatemplate
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@app.route("/api/loggedin", methods=("GET", "POST"))
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async def apiloggedin():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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if get_session(secretKey) != None:
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return {}, 200
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else:
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return {}, 400
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@app.route("/api/listnotes", methods=("GET", "POST"))
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async def apilistnotes():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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conn = get_db_connection()
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notes = conn.execute("SELECT * FROM notes WHERE creator = ? ORDER BY edited DESC;", (user["id"],)).fetchall()
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conn.close()
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datatemplate = []
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for note in notes:
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notetemplate = {
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"id": note["id"],
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"title": note["title"]
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}
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datatemplate.append(notetemplate)
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return datatemplate, 200
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@app.route("/api/exportnotes", methods=("GET", "POST"))
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async def apiexportnotes():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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conn = get_db_connection()
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notes = conn.execute("SELECT * FROM notes WHERE creator = ? ORDER BY id DESC;", (user["id"],)).fetchall()
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conn.close()
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datatemplate = []
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for note in notes:
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notetemplate = {
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"id": note["id"],
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"created": note["created"],
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"edited": note["edited"],
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"title": note["title"],
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"content": note["content"]
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}
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datatemplate.append(notetemplate)
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return datatemplate, 200
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@app.route("/api/importnotes", methods=("GET", "POST"))
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async def importnotes():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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notes = data["notes"]
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userCookie = get_session(secretKey)
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conn = get_db_connection()
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notejson = loads(notes)
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for note in notejson:
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conn.execute("INSERT INTO notes (title, content, creator, created, edited) VALUES (?, ?, ?, ?, ?)",
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(note["title"], note["content"], userCookie["id"], note["created"], note["edited"]))
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conn.commit()
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conn.close()
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return {}, 200
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@app.route("/api/newnote", methods=("GET", "POST"))
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async def apinewnote():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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noteName = data["noteName"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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conn = get_db_connection()
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conn.execute("INSERT INTO notes (title, content, creator, created, edited) VALUES (?, ?, ?, ?, ?)",
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(noteName, "", user["id"], str(time.time()), str(time.time())))
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conn.commit()
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conn.close()
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return {}, 200
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@app.route("/api/readnote", methods=("GET", "POST"))
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async def apireadnote():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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noteId = data["noteId"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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note = get_note(noteId)
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if note is not None:
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if user["id"] == note["creator"]:
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contenttemplate = {
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"content": note["content"]
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}
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return contenttemplate, 200
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else:
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return {}, 422
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else:
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return {}, 422
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@app.route("/api/waitforedit", methods=("GET", "POST"))
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async def waitforedit():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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complete = True
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start_time = time.time()
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while user["id"] not in messages or not messages[user["id"]]:
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await asyncio.sleep(0)
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elapsed_time = time.time() - start_time
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if elapsed_time >= 20:
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complete = False
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break
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message = messages[user["id"]].pop(0)
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del messages[user["id"]]
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if complete:
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return {
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"note": message
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}, 200
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else:
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return 400
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@app.route("/api/editnote", methods=("GET", "POST"))
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async def apieditnote():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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noteId = data["noteId"]
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content = data["content"]
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title = data["title"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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note = get_note(noteId)
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if get_space(user["id"]) + len(content.encode("utf-8")) > int(MAX_STORAGE):
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return {}, 418
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if note is not None:
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if user["id"] == note["creator"]:
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conn = get_db_connection()
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conn.execute("UPDATE notes SET content = ?, title = ?, edited = ? WHERE id = ?",
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(content, title, str(time.time()), noteId))
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conn.commit()
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conn.close()
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if user["id"] not in messages:
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messages[user["id"]] = []
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messages[user["id"]].append(noteId)
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return {}, 200
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else:
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return {}, 403
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else:
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return {}, 422
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@app.route("/api/editnotetitle", methods=("GET", "POST"))
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async def apieditnotetitle():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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noteId = data["noteId"]
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content = data["content"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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note = get_note(noteId)
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if get_space(user["id"]) + len(content.encode("utf-8")) > int(MAX_STORAGE):
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return {}, 418
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if note is not None:
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if user["id"] == note["creator"]:
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conn = get_db_connection()
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conn.execute("UPDATE notes SET title = ?, edited = ? WHERE id = ?", (content, str(time.time()), noteId))
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conn.commit()
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conn.close()
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return {}, 200
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else:
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return {}, 403
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else:
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return {}, 422
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@app.route("/api/removenote", methods=("GET", "POST"))
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async def apiremovenote():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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noteId = data["noteId"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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note = get_note(noteId)
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if note is not None:
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if user["id"] == note["creator"]:
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conn = get_db_connection()
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conn.execute("DELETE FROM notes WHERE id = ?", (noteId,))
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conn.commit()
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conn.close()
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return {}, 200
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else:
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return {}, 403
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else:
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return {}, 422
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@app.route("/api/deleteaccount", methods=("GET", "POST"))
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async def apideleteaccount():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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userCookie = get_session(secretKey)
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conn = get_db_connection()
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conn.execute("DELETE FROM notes WHERE creator = ?", (userCookie["id"],))
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conn.execute("DELETE FROM users WHERE id = ?", (userCookie["id"],))
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conn.commit()
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conn.close()
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return {}, 200
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@app.route("/api/sessions/list", methods=("GET", "POST"))
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async def apisessionslist():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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conn = get_db_connection()
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sessions = conn.execute("SELECT * FROM sessions WHERE id = ? ORDER BY id DESC;", (user["id"],)).fetchall()
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conn.close()
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datatemplate = []
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for x in sessions:
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device = x["device"]
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thisSession = False
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if x["session"] == secretKey:
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thisSession = True
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sessiontemplate = {
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"id": x["sessionid"],
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"thisSession": thisSession,
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"device": device
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}
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datatemplate.append(sessiontemplate)
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return datatemplate, 200
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@app.route("/api/sessions/remove", methods=("GET", "POST"))
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async def apisessionsremove():
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if request.method == "POST":
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data = await request.get_json()
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secretKey = data["secretKey"]
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sessionId = data["sessionId"]
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userCookie = get_session(secretKey)
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user = get_user(userCookie["id"])
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if userCookie is not None:
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if user["id"] == userCookie["id"]:
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conn = get_db_connection()
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conn.execute("DELETE FROM sessions WHERE sessionid = ?", (sessionId,))
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conn.commit()
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conn.close()
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return {}, 200
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else:
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return {}, 403
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else:
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return {}, 422
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@app.route("/api/listusers", methods=("GET", "POST"))
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async def listusers():
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if request.method == "POST":
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data = await request.get_json()
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masterkey = data["masterkey"]
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if masterkey == SECRET_KEY:
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conn = get_db_connection()
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users = conn.execute("SELECT * FROM users").fetchall()
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conn.close()
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thing = []
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for x in users:
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user_info = {
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"id": str(x["id"]),
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"username": str(x["username"]),
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"space": str(get_space(x["id"]))
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}
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thing.append(user_info)
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return thing, 200
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else:
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return {}, 401
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@app.errorhandler(500)
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async def burger():
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return {}, 500
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@app.errorhandler(404)
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async def burger():
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return {}, 404
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# Start server
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hypercornconfig = Config()
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hypercornconfig.bind = (HOST + ":" + PORT)
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if __name__ == "__main__":
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print("[INFO] Server started at", str(int(time.time())))
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print("[INFO] Welcome to Burgernotes! Today we are running on IP " + HOST + " on port " + PORT + ".")
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asyncio.run(serve(app, hypercornconfig))
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