583 lines
20 KiB
Python
583 lines
20 KiB
Python
import os
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from datetime import timedelta
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from importlib import import_module
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from django.conf import settings
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from django.contrib import auth
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from django.template.loader import render_to_string
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from django.utils.decorators import method_decorator
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from django.utils.timezone import now
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from django.views.decorators.csrf import ensure_csrf_cookie, csrf_exempt
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from django.db.models import Count, Q
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from django.utils import timezone
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import qrcode
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from otpauth import OtpAuth
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from problem.models import Problem
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from submission.models import Submission, JudgeStatus
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from utils.constants import ContestRuleType
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from options.options import SysOptions
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from utils.api import APIView, validate_serializer, CSRFExemptAPIView
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from utils.captcha import Captcha
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from utils.shortcuts import rand_str, img2base64, datetime2str
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from ..decorators import login_required
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from ..models import User, UserProfile, AdminType
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from ..serializers import (
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ApplyResetPasswordSerializer,
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ResetPasswordSerializer,
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UserChangePasswordSerializer,
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UserLoginSerializer,
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UserRegisterSerializer,
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UsernameOrEmailCheckSerializer,
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RankInfoSerializer,
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UserChangeEmailSerializer,
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SSOSerializer,
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)
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from ..serializers import (
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TwoFactorAuthCodeSerializer,
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UserProfileSerializer,
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EditUserProfileSerializer,
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ImageUploadForm,
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)
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from ..tasks import send_email_async
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class UserProfileAPI(APIView):
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@method_decorator(ensure_csrf_cookie)
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def get(self, request, **kwargs):
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"""
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判断是否登录， 若登录返回用户信息
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"""
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user = request.user
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if not user.is_authenticated:
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return self.success()
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show_real_name = False
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username = request.GET.get("username")
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try:
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if username:
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user = User.objects.get(username=username, is_disabled=False)
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else:
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user = request.user
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# api返回的是自己的信息，可以返real_name
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show_real_name = True
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except User.DoesNotExist:
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return self.error("User does not exist")
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return self.success(
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UserProfileSerializer(user.userprofile, show_real_name=show_real_name).data
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)
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@validate_serializer(EditUserProfileSerializer)
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@login_required
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def put(self, request):
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data = request.data
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user_profile = request.user.userprofile
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for k, v in data.items():
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setattr(user_profile, k, v)
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user_profile.save()
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return self.success(
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UserProfileSerializer(user_profile, show_real_name=True).data
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)
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class Metrics(APIView):
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def get(self, request):
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userid = request.GET.get("userid")
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submissions = Submission.objects.filter(user_id=userid, contest_id__isnull=True)
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if submissions.count() == 0:
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return self.error("暂无提交")
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else:
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latest_submission = submissions.first()
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last_submission = submissions.last()
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if last_submission and latest_submission:
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return self.success(
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{
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"now": datetime2str(timezone.now()),
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"latest": datetime2str(latest_submission.create_time),
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"first": datetime2str(last_submission.create_time),
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}
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)
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else:
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return self.error("暂无提交")
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class AvatarUploadAPI(APIView):
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request_parsers = ()
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@login_required
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def post(self, request):
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form = ImageUploadForm(request.POST, request.FILES)
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if form.is_valid():
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avatar = form.cleaned_data["image"]
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else:
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return self.error("Invalid file content")
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if avatar.size > 2 * 1024 * 1024:
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return self.error("Picture is too large")
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suffix = os.path.splitext(avatar.name)[-1].lower()
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if suffix not in [".gif", ".jpg", ".jpeg", ".bmp", ".png"]:
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return self.error("Unsupported file format")
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name = rand_str(10) + suffix
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with open(os.path.join(settings.AVATAR_UPLOAD_DIR, name), "wb") as img:
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for chunk in avatar:
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img.write(chunk)
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user_profile = request.user.userprofile
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user_profile.avatar = f"{settings.AVATAR_URI_PREFIX}/{name}"
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user_profile.save()
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return self.success("Succeeded")
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class TwoFactorAuthAPI(APIView):
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@login_required
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def get(self, request):
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"""
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Get QR code
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"""
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user = request.user
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if user.two_factor_auth:
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return self.error("2FA is already turned on")
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token = rand_str()
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user.tfa_token = token
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user.save()
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label = f"{SysOptions.website_name_shortcut}:{user.username}"
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image = qrcode.make(
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OtpAuth(token).to_uri(
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"totp", label, SysOptions.website_name.replace(" ", "")
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)
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)
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return self.success(img2base64(image))
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@login_required
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@validate_serializer(TwoFactorAuthCodeSerializer)
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def post(self, request):
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"""
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Open 2FA
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"""
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code = request.data["code"]
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user = request.user
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if OtpAuth(user.tfa_token).valid_totp(code):
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user.two_factor_auth = True
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user.save()
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return self.success("Succeeded")
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else:
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return self.error("Invalid code")
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@login_required
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@validate_serializer(TwoFactorAuthCodeSerializer)
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def put(self, request):
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code = request.data["code"]
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user = request.user
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if not user.two_factor_auth:
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return self.error("2FA is already turned off")
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if OtpAuth(user.tfa_token).valid_totp(code):
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user.two_factor_auth = False
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user.save()
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return self.success("Succeeded")
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else:
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return self.error("Invalid code")
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class CheckTFARequiredAPI(APIView):
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@validate_serializer(UsernameOrEmailCheckSerializer)
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def post(self, request):
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"""
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Check TFA is required
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"""
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data = request.data
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result = False
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if data.get("username"):
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try:
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user = User.objects.get(username=data["username"])
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result = user.two_factor_auth
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except User.DoesNotExist:
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pass
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return self.success({"result": result})
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class UserLoginAPI(APIView):
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@validate_serializer(UserLoginSerializer)
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def post(self, request):
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"""
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User login api
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"""
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data = request.data
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user = auth.authenticate(username=data["username"], password=data["password"])
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# None is returned if username or password is wrong
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if user:
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if user.is_disabled:
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return self.error("Your account has been disabled")
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if not user.two_factor_auth:
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auth.login(request, user)
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return self.success("Succeeded")
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# `tfa_code` not in post data
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if user.two_factor_auth and "tfa_code" not in data:
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return self.error("tfa_required")
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if OtpAuth(user.tfa_token).valid_totp(data["tfa_code"]):
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auth.login(request, user)
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return self.success("Succeeded")
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else:
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return self.error("Invalid two factor verification code")
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else:
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return self.error("Invalid username or password")
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class UserLogoutAPI(APIView):
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def get(self, request):
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auth.logout(request)
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return self.success()
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class UsernameOrEmailCheck(APIView):
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@validate_serializer(UsernameOrEmailCheckSerializer)
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def post(self, request):
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"""
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check username or email is duplicate
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"""
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data = request.data
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# True means already exist.
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result = {"username": False, "email": False}
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if data.get("username"):
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result["username"] = User.objects.filter(
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username=data["username"].lower()
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).exists()
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if data.get("email"):
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result["email"] = User.objects.filter(email=data["email"].lower()).exists()
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return self.success(result)
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class UserRegisterAPI(APIView):
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@validate_serializer(UserRegisterSerializer)
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def post(self, request):
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"""
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||
User register api
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||
"""
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||
if not SysOptions.allow_register:
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return self.error("Register function has been disabled by admin")
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||
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||
data = request.data
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data["username"] = data["username"].lower()
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data["email"] = data["email"].lower()
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captcha = Captcha(request)
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if not captcha.check(data["captcha"]):
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return self.error("Invalid captcha")
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||
if User.objects.filter(username=data["username"]).exists():
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return self.error("Username already exists")
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||
if User.objects.filter(email=data["email"]).exists():
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return self.error("Email already exists")
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user = User.objects.create(username=data["username"], email=data["email"])
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user.set_password(data["password"])
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user.save()
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UserProfile.objects.create(user=user)
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||
return self.success("Succeeded")
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||
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||
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class UserChangeEmailAPI(APIView):
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||
@validate_serializer(UserChangeEmailSerializer)
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||
@login_required
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||
def post(self, request):
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||
data = request.data
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||
user = auth.authenticate(
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||
username=request.user.username, password=data["password"]
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||
)
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||
if user:
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||
if user.two_factor_auth:
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||
if "tfa_code" not in data:
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||
return self.error("tfa_required")
|
||
if not OtpAuth(user.tfa_token).valid_totp(data["tfa_code"]):
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||
return self.error("Invalid two factor verification code")
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||
data["new_email"] = data["new_email"].lower()
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if User.objects.filter(email=data["new_email"]).exists():
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return self.error("The email is owned by other account")
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||
user.email = data["new_email"]
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user.save()
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||
return self.success("Succeeded")
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||
else:
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||
return self.error("Wrong password")
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||
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||
|
||
class UserChangePasswordAPI(APIView):
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||
@validate_serializer(UserChangePasswordSerializer)
|
||
@login_required
|
||
def post(self, request):
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||
"""
|
||
User change password api
|
||
"""
|
||
data = request.data
|
||
username = request.user.username
|
||
user = auth.authenticate(username=username, password=data["old_password"])
|
||
if user:
|
||
if user.two_factor_auth:
|
||
if "tfa_code" not in data:
|
||
return self.error("tfa_required")
|
||
if not OtpAuth(user.tfa_token).valid_totp(data["tfa_code"]):
|
||
return self.error("Invalid two factor verification code")
|
||
user.set_password(data["new_password"])
|
||
user.save()
|
||
return self.success("Succeeded")
|
||
else:
|
||
return self.error("Invalid old password")
|
||
|
||
|
||
class ApplyResetPasswordAPI(APIView):
|
||
@validate_serializer(ApplyResetPasswordSerializer)
|
||
def post(self, request):
|
||
if request.user.is_authenticated:
|
||
return self.error("You have already logged in, are you kidding me? ")
|
||
data = request.data
|
||
captcha = Captcha(request)
|
||
if not captcha.check(data["captcha"]):
|
||
return self.error("Invalid captcha")
|
||
try:
|
||
user = User.objects.get(email__iexact=data["email"])
|
||
except User.DoesNotExist:
|
||
return self.error("User does not exist")
|
||
if (
|
||
user.reset_password_token_expire_time
|
||
and 0
|
||
< int((user.reset_password_token_expire_time - now()).total_seconds())
|
||
< 20 * 60
|
||
):
|
||
return self.error("You can only reset password once per 20 minutes")
|
||
user.reset_password_token = rand_str()
|
||
user.reset_password_token_expire_time = now() + timedelta(minutes=20)
|
||
user.save()
|
||
render_data = {
|
||
"username": user.username,
|
||
"website_name": SysOptions.website_name,
|
||
"link": f"{SysOptions.website_base_url}/reset-password/{user.reset_password_token}",
|
||
}
|
||
email_html = render_to_string("reset_password_email.html", render_data)
|
||
send_email_async.send(
|
||
from_name=SysOptions.website_name_shortcut,
|
||
to_email=user.email,
|
||
to_name=user.username,
|
||
subject="Reset your password",
|
||
content=email_html,
|
||
)
|
||
return self.success("Succeeded")
|
||
|
||
|
||
class ResetPasswordAPI(APIView):
|
||
@validate_serializer(ResetPasswordSerializer)
|
||
def post(self, request):
|
||
data = request.data
|
||
captcha = Captcha(request)
|
||
if not captcha.check(data["captcha"]):
|
||
return self.error("Invalid captcha")
|
||
try:
|
||
user = User.objects.get(reset_password_token=data["token"])
|
||
except User.DoesNotExist:
|
||
return self.error("Token does not exist")
|
||
if user.reset_password_token_expire_time < now():
|
||
return self.error("Token has expired")
|
||
user.reset_password_token = None
|
||
user.two_factor_auth = False
|
||
user.set_password(data["password"])
|
||
user.save()
|
||
return self.success("Succeeded")
|
||
|
||
|
||
class SessionManagementAPI(APIView):
|
||
@login_required
|
||
def get(self, request):
|
||
engine = import_module(settings.SESSION_ENGINE)
|
||
session_store = engine.SessionStore
|
||
current_session = request.session.session_key
|
||
session_keys = request.user.session_keys
|
||
result = []
|
||
modified = False
|
||
for key in session_keys[:]:
|
||
session = session_store(key)
|
||
# session does not exist or is expiry
|
||
if not session._session:
|
||
session_keys.remove(key)
|
||
modified = True
|
||
continue
|
||
|
||
s = {}
|
||
if current_session == key:
|
||
s["current_session"] = True
|
||
s["ip"] = session["ip"]
|
||
s["user_agent"] = session["user_agent"]
|
||
s["last_activity"] = datetime2str(session["last_activity"])
|
||
s["session_key"] = key
|
||
result.append(s)
|
||
if modified:
|
||
request.user.save()
|
||
return self.success(result)
|
||
|
||
@login_required
|
||
def delete(self, request):
|
||
session_key = request.GET.get("session_key")
|
||
if not session_key:
|
||
return self.error("Parameter Error")
|
||
request.session.delete(session_key)
|
||
if session_key in request.user.session_keys:
|
||
request.user.session_keys.remove(session_key)
|
||
request.user.save()
|
||
return self.success("Succeeded")
|
||
else:
|
||
return self.error("Invalid session_key")
|
||
|
||
|
||
class UserRankAPI(APIView):
|
||
def get(self, request):
|
||
rule_type = request.GET.get("rule")
|
||
username = request.GET.get("username", "")
|
||
try:
|
||
n = int(request.GET.get("n", "0"))
|
||
except ValueError:
|
||
n = 0
|
||
if rule_type not in ContestRuleType.choices():
|
||
rule_type = ContestRuleType.ACM
|
||
|
||
profiles = UserProfile.objects.filter(
|
||
user__admin_type__in=[AdminType.REGULAR_USER, AdminType.ADMIN],
|
||
user__is_disabled=False,
|
||
user__username__icontains=username,
|
||
).select_related("user")
|
||
if rule_type == ContestRuleType.ACM:
|
||
profiles = profiles.filter(accepted_number__gte=0).order_by(
|
||
"-accepted_number", "submission_number"
|
||
)
|
||
else:
|
||
profiles = profiles.filter(total_score__gt=0).order_by("-total_score")
|
||
if n > 0:
|
||
profiles = profiles[:n]
|
||
return self.success(self.paginate_data(request, profiles, RankInfoSerializer))
|
||
|
||
|
||
class UserActivityRankAPI(APIView):
|
||
def get(self, request):
|
||
start = request.GET.get("start")
|
||
if not start:
|
||
return self.error("start time is required")
|
||
hidden_names = User.objects.filter(
|
||
Q(admin_type=AdminType.SUPER_ADMIN) | Q(is_disabled=True)
|
||
).values_list("username", flat=True)
|
||
submissions = Submission.objects.filter(
|
||
contest_id__isnull=True,
|
||
create_time__gte=start,
|
||
result=JudgeStatus.ACCEPTED,
|
||
).exclude(username__in=hidden_names)
|
||
data = list(
|
||
submissions.values("username")
|
||
.annotate(count=Count("problem_id", distinct=True))
|
||
.order_by("-count")[:10]
|
||
)
|
||
return self.success(data)
|
||
|
||
|
||
class UserProblemRankAPI(APIView):
|
||
def get(self, request):
|
||
problem_id = request.GET.get("problem_id")
|
||
user = request.user
|
||
if not user.is_authenticated:
|
||
return self.error("User is not authenticated")
|
||
|
||
problem = Problem.objects.get(
|
||
_id=problem_id, contest_id__isnull=True, visible=True
|
||
)
|
||
submissions = Submission.objects.filter(
|
||
problem=problem, result=JudgeStatus.ACCEPTED
|
||
)
|
||
|
||
all_ac_count = submissions.values("user_id").distinct().count()
|
||
|
||
class_name = user.class_name or ""
|
||
class_ac_count = 0
|
||
|
||
if class_name:
|
||
users = User.objects.filter(
|
||
class_name=user.class_name, is_disabled=False
|
||
).values_list("id", flat=True)
|
||
user_ids = list(users)
|
||
submissions = submissions.filter(user_id__in=user_ids)
|
||
class_ac_count = submissions.values("user_id").distinct().count()
|
||
|
||
my_submissions = submissions.filter(user_id=user.id)
|
||
|
||
if len(my_submissions) == 0:
|
||
return self.success(
|
||
{
|
||
"class_name": class_name,
|
||
"rank": -1,
|
||
"class_ac_count": class_ac_count,
|
||
"all_ac_count": all_ac_count,
|
||
}
|
||
)
|
||
|
||
my_first_submission = my_submissions.order_by("create_time").first()
|
||
rank = submissions.filter(
|
||
create_time__lte=my_first_submission.create_time
|
||
).count()
|
||
return self.success(
|
||
{
|
||
"class_name": class_name,
|
||
"rank": rank,
|
||
"class_ac_count": class_ac_count,
|
||
"all_ac_count": all_ac_count,
|
||
}
|
||
)
|
||
|
||
|
||
class ProfileProblemDisplayIDRefreshAPI(APIView):
|
||
@login_required
|
||
def get(self, request):
|
||
profile = request.user.userprofile
|
||
acm_problems = profile.acm_problems_status.get("problems", {})
|
||
oi_problems = profile.oi_problems_status.get("problems", {})
|
||
ids = list(acm_problems.keys()) + list(oi_problems.keys())
|
||
if not ids:
|
||
return self.success()
|
||
display_ids = Problem.objects.filter(id__in=ids, visible=True).values_list(
|
||
"_id", flat=True
|
||
)
|
||
id_map = dict(zip(ids, display_ids))
|
||
for k, v in acm_problems.items():
|
||
v["_id"] = id_map[k]
|
||
for k, v in oi_problems.items():
|
||
v["_id"] = id_map[k]
|
||
profile.save(update_fields=["acm_problems_status", "oi_problems_status"])
|
||
return self.success()
|
||
|
||
|
||
class OpenAPIAppkeyAPI(APIView):
|
||
@login_required
|
||
def post(self, request):
|
||
user = request.user
|
||
if not user.open_api:
|
||
return self.error("OpenAPI function is truned off for you")
|
||
api_appkey = rand_str()
|
||
user.open_api_appkey = api_appkey
|
||
user.save()
|
||
return self.success({"appkey": api_appkey})
|
||
|
||
|
||
class SSOAPI(CSRFExemptAPIView):
|
||
@login_required
|
||
def get(self, request):
|
||
token = rand_str()
|
||
request.user.auth_token = token
|
||
request.user.save()
|
||
return self.success({"token": token})
|
||
|
||
@method_decorator(csrf_exempt)
|
||
@validate_serializer(SSOSerializer)
|
||
def post(self, request):
|
||
try:
|
||
user = User.objects.get(auth_token=request.data["token"])
|
||
except User.DoesNotExist:
|
||
return self.error("User does not exist")
|
||
return self.success(
|
||
{
|
||
"username": user.username,
|
||
"avatar": user.userprofile.avatar,
|
||
"admin_type": user.admin_type,
|
||
}
|
||
)
|