views.py 文件源码

def signup(req):
    if any(map(lambda key: key not in req.json, ["name", "email", "password"])):
        logger.debug(f"Request is {req.json} but some arguments are missing.")
        raise InvalidUsage("Missing argument")

    if not await User.is_free(req.json["name"], req.json["email"]):
        logger.debug(f"Request is {req.json} but name or email is already taken")
        raise InvalidUsage("Username or email already taken")

    guest = Guest(req.json["name"], req.json["email"], User.hashpwd(req.json["password"]))

    chlg = await challenges.create_for(guest)

    logger.info(f"Guest signed up with name: {guest.name} and email: {guest.email}. Challenge generated: {chlg}")
    with open("mails" + sep + "challenge.txt") as mailtext:
        mail = EmailMessage()
        mail.set_content(mailtext.read().format(domain=req.app.config.domain,
                                                scheme="https" if req.app.config.schemessl else "http",
                                                challenge=chlg))
        mail["Subject"] = "WebGames Registration Challenge"
        mail["From"] = req.app.config.smtpuser
        mail["To"] = guest.email

        with SMTP(req.app.config.smtphost, req.app.config.smtpport) as smtp:
            if req.app.config.smtpssl:
                smtp.ehlo()
                smtp.starttls()
                smtp.ehlo()
            else:
                smtp.helo()
            smtp.login(req.app.config.smtpuser, req.app.config.smtppwd)
            smtp.send_message(mail)

    return text(f"Challenge sent to {guest.email}")