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import logging
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# Create your views here.
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from urllib.parse import urlparse
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# 定义视图函数(处理用户请求的逻辑)
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from urllib.parse import urlparse # 用于解析URL,验证跳转地址合法性
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from django.conf import settings
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from django.contrib.auth import get_user_model
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from django.contrib.auth import login
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from django.core.exceptions import ObjectDoesNotExist
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from django.db import transaction
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from django.http import HttpResponseForbidden
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from django.http import HttpResponseRedirect
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from django.shortcuts import get_object_or_404
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from django.shortcuts import render
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from django.urls import reverse
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from django.utils import timezone
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from django.utils.translation import gettext_lazy as _
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from django.views.generic import FormView
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from djangoblog.blog_signals import oauth_user_login_signal
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from djangoblog.utils import get_current_site
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from djangoblog.utils import send_email, get_sha256
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from oauth.forms import RequireEmailForm
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from .models import OAuthUser
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from .oauthmanager import get_manager_by_type, OAuthAccessTokenException
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from django.contrib.auth import get_user_model # 获取自定义用户模型
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from django.contrib.auth import login # 用于用户登录
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from django.core.exceptions import ObjectDoesNotExist # 用于捕获对象不存在异常
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from django.db import transaction # 用于数据库事务,确保操作原子性
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from django.http import HttpResponseForbidden # 用于返回403禁止访问响应
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from django.http import HttpResponseRedirect # 用于重定向响应
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from django.shortcuts import get_object_or_404 # 获取对象,不存在则返回404
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from django.shortcuts import render # 用于渲染模板
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from django.urls import reverse # 用于反向解析URL
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from django.utils import timezone # 用于获取当前时间
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from django.utils.translation import gettext_lazy as _ # 用于国际化翻译
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from django.views.generic import FormView # 基于类的表单视图
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from djangoblog.blog_signals import oauth_user_login_signal # 导入OAuth登录信号
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from djangoblog.utils import get_current_site # 获取当前网站域名
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from djangoblog.utils import send_email, get_sha256 # 导入发送邮件和SHA256加密工具
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from oauth.forms import RequireEmailForm # 导入补充邮箱表单
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from .models import OAuthUser # 导入OAuth用户模型
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from .oauthmanager import get_manager_by_type, OAuthAccessTokenException # 导入OAuth管理器和异常
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# 创建当前模块的日志记录器
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logger = logging.getLogger(__name__)
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def get_redirecturl(request):
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"""
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处理授权后的跳转URL,确保安全性(只允许本站内跳转)
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"""
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# 从请求参数中获取跳转地址(默认值为None)
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nexturl = request.GET.get('next_url', None)
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# 过滤非法跳转地址(如登录页)
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if not nexturl or nexturl == '/login/' or nexturl == '/login':
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nexturl = '/'
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return nexturl
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# 解析URL,检查是否为本站域名
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p = urlparse(nexturl)
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if p.netloc:
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site = get_current_site().domain
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if p.netloc: # 若URL包含域名
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site = get_current_site().domain # 获取当前网站域名
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# 去除www.前缀后比较,确保跳转地址为本站
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if not p.netloc.replace('www.', '') == site.replace('www.', ''):
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logger.info('非法url:' + nexturl)
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return "/"
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return nexturl
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logger.info('非法url:' + nexturl) # 记录非法URL日志
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return "/" # 非法则跳转到首页
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return nexturl # 返回合法的跳转地址
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def oauthlogin(request):
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"""
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OAuth登录入口:生成第三方平台的授权链接,引导用户跳转
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"""
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# 获取请求中的平台类型(如'weibo'、'github')
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type = request.GET.get('type', None)
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if not type:
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if not type: # 若未指定平台类型,跳转到首页
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return HttpResponseRedirect('/')
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# 获取对应平台的OAuth管理器
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manager = get_manager_by_type(type)
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if not manager:
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if not manager: # 若管理器不存在,跳转到首页
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return HttpResponseRedirect('/')
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# 获取安全的跳转地址(授权后返回的页面)
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nexturl = get_redirecturl(request)
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# 生成第三方平台的授权URL
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authorizeurl = manager.get_authorization_url(nexturl)
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# 重定向到第三方平台的授权页面
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return HttpResponseRedirect(authorizeurl)
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def authorize(request):
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"""
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OAuth授权回调处理:解析授权码、获取用户信息、绑定本地用户
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"""
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# 获取平台类型
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type = request.GET.get('type', None)
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if not type:
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return HttpResponseRedirect('/')
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# 获取对应平台的OAuth管理器
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manager = get_manager_by_type(type)
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if not manager:
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return HttpResponseRedirect('/')
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# 获取授权码code(第三方平台返回)
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code = request.GET.get('code', None)
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try:
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# 使用授权码获取access_token
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rsp = manager.get_access_token_by_code(code)
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except OAuthAccessTokenException as e:
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# 捕获token获取失败异常,记录日志并跳转首页
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logger.warning("OAuthAccessTokenException:" + str(e))
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return HttpResponseRedirect('/')
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except Exception as e:
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# 捕获其他异常,记录日志
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logger.error(e)
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rsp = None
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# 获取授权后的跳转地址
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nexturl = get_redirecturl(request)
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if not rsp:
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if not rsp: # 若获取token失败,重新生成授权链接并重定向
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return HttpResponseRedirect(manager.get_authorization_url(nexturl))
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# 通过token获取第三方用户信息
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user = manager.get_oauth_userinfo()
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if user:
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if user: # 若成功获取用户信息
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# 处理空昵称(生成默认昵称:djangoblog+时间戳)
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if not user.nickname or not user.nickname.strip():
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user.nickname = "djangoblog" + timezone.now().strftime('%y%m%d%I%M%S')
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# 检查该第三方用户是否已存在(避免重复创建)
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try:
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temp = OAuthUser.objects.get(type=type, openid=user.openid)
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# 更新已有用户的头像、元数据、昵称
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temp.picture = user.picture
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temp.metadata = user.metadata
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temp.nickname = user.nickname
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user = temp
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user = temp # 使用已有用户对象
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except ObjectDoesNotExist:
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# 若不存在,则使用新创建的用户对象
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pass
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# facebook的token过长
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# Facebook的token过长,这里清空(根据实际需求处理)
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if type == 'facebook':
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user.token = ''
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# 若用户信息包含邮箱,直接绑定本地用户
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if user.email:
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with transaction.atomic():
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with transaction.atomic(): # 数据库事务:确保操作原子性
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author = None
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# 尝试获取已关联的本地用户
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try:
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author = get_user_model().objects.get(id=user.author_id)
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except ObjectDoesNotExist:
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pass
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# 若未关联本地用户,则创建或获取本地用户
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if not author:
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# 按邮箱查询或创建本地用户
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result = get_user_model().objects.get_or_create(email=user.email)
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author = result[0]
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# 若为新创建的用户,设置用户名和来源
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if result[1]:
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try:
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# 检查昵称是否已存在
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get_user_model().objects.get(username=user.nickname)
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except ObjectDoesNotExist:
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# 昵称不存在,直接使用
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author.username = user.nickname
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else:
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# 昵称已存在,生成默认用户名
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author.username = "djangoblog" + timezone.now().strftime('%y%m%d%I%M%S')
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author.source = 'authorize'
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author.save()
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author.source = 'authorize' # 标记来源为OAuth授权
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author.save() # 保存用户信息
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# 关联本地用户到OAuthUser
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user.author = author
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user.save()
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# 发送OAuth用户登录信号(供其他模块监听处理)
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oauth_user_login_signal.send(
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sender=authorize.__class__, id=user.id)
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# 登录用户(创建会话)
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login(request, author)
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# 重定向到授权前的页面
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return HttpResponseRedirect(nexturl)
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else:
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# 若用户信息不含邮箱,保存OAuthUser并跳转到补充邮箱页面
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user.save()
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url = reverse('oauth:require_email', kwargs={
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'oauthid': user.id
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})
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url = reverse('oauth:require_email', kwargs={'oauthid': user.id})
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return HttpResponseRedirect(url)
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else:
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# 若未获取到用户信息,跳转到授权前的页面
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return HttpResponseRedirect(nexturl)
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def emailconfirm(request, id, sign):
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if not sign:
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return HttpResponseForbidden()
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if not get_sha256(settings.SECRET_KEY +
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str(id) +
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settings.SECRET_KEY).upper() == sign.upper():
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"""
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邮箱验证:验证签名合法性,完成本地用户绑定
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"""
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if not sign: # 签名为空,返回403禁止访问
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return HttpResponseForbidden()
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# 验证签名(使用SECRET_KEY+ID+SECRET_KEY生成SHA256签名)
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if not get_sha256(settings.SECRET_KEY + str(id) + settings.SECRET_KEY).upper() == sign.upper():
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return HttpResponseForbidden() # 签名不匹配,返回403
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# 获取对应的OAuthUser对象(不存在则返回404)
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oauthuser = get_object_or_404(OAuthUser, pk=id)
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with transaction.atomic():
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with transaction.atomic(): # 数据库事务
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# 检查是否已关联本地用户
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if oauthuser.author:
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author = get_user_model().objects.get(pk=oauthuser.author_id)
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else:
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# 按邮箱查询或创建本地用户
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result = get_user_model().objects.get_or_create(email=oauthuser.email)
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author = result[0]
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# 若为新创建的用户,设置用户名和来源
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if result[1]:
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author.source = 'emailconfirm'
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author.username = oauthuser.nickname.strip() if oauthuser.nickname.strip(
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) else "djangoblog" + timezone.now().strftime('%y%m%d%I%M%S')
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author.source = 'emailconfirm' # 标记来源为邮箱验证
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# 设置用户名为OAuth用户的昵称(为空则生成默认值)
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author.username = oauthuser.nickname.strip() if oauthuser.nickname.strip() else "djangoblog" + timezone.now().strftime('%y%m%d%I%M%S')
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author.save()
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# 关联本地用户到OAuthUser
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oauthuser.author = author
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oauthuser.save()
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# 发送OAuth用户登录信号
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oauth_user_login_signal.send(
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sender=emailconfirm.__class__,
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id=oauthuser.id)
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sender=emailconfirm.__class__, id=oauthuser.id)
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# 登录用户
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login(request, author)
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# 发送绑定成功邮件
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site = 'http://' + get_current_site().domain
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content = _('''
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<p>Congratulations, you have successfully bound your email address. You can use
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@ -161,59 +222,63 @@ def emailconfirm(request, id, sign):
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If the link above cannot be opened, please copy this link to your browser.
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%(site)s
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''') % {'oauthuser_type': oauthuser.type, 'site': site}
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send_email(emailto=[oauthuser.email, ], title=_('Congratulations on your successful binding!'), content=content)
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url = reverse('oauth:bindsuccess', kwargs={
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'oauthid': id
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})
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# 重定向到绑定成功页面
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url = reverse('oauth:bindsuccess', kwargs={'oauthid': id})
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url = url + '?type=success'
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return HttpResponseRedirect(url)
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class RequireEmailView(FormView):
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form_class = RequireEmailForm
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template_name = 'oauth/require_email.html'
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"""
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补充邮箱视图:处理用户补充邮箱的表单提交
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"""
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form_class = RequireEmailForm # 使用的表单类
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template_name = 'oauth/require_email.html' # 渲染的模板
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def get(self, request, *args, **kwargs):
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oauthid = self.kwargs['oauthid']
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"""处理GET请求:展示补充邮箱表单"""
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oauthid = self.kwargs['oauthid'] # 从URL中获取OAuthUser的ID
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oauthuser = get_object_or_404(OAuthUser, pk=oauthid)
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if oauthuser.email:
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pass
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# return HttpResponseRedirect('/')
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# 若已存在邮箱,可在此处添加逻辑(如跳转到首页)
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# if oauthuser.email:
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# return HttpResponseRedirect('/')
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return super(RequireEmailView, self).get(request, *args, **kwargs)
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def get_initial(self):
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"""设置表单初始值:填充oauthid"""
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oauthid = self.kwargs['oauthid']
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return {
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'email': '',
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'oauthid': oauthid
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}
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return {'email': '', 'oauthid': oauthid}
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def get_context_data(self, **kwargs):
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def get_context_data(self,** kwargs):
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"""向模板传递额外上下文:用户头像"""
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oauthid = self.kwargs['oauthid']
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oauthuser = get_object_or_404(OAuthUser, pk=oauthid)
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if oauthuser.picture:
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kwargs['picture'] = oauthuser.picture
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kwargs['picture'] = oauthuser.picture # 传递头像URL
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return super(RequireEmailView, self).get_context_data(**kwargs)
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def form_valid(self, form):
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email = form.cleaned_data['email']
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oauthid = form.cleaned_data['oauthid']
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"""处理表单验证通过的逻辑:保存邮箱并发送验证邮件"""
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email = form.cleaned_data['email'] # 获取清洗后的邮箱
|
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oauthid = form.cleaned_data['oauthid'] # 获取OAuthUser的ID
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|
oauthuser = get_object_or_404(OAuthUser, pk=oauthid)
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|
|
# 保存用户邮箱
|
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|
|
oauthuser.email = email
|
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|
|
oauthuser.save()
|
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|
|
sign = get_sha256(settings.SECRET_KEY +
|
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|
|
str(oauthuser.id) + settings.SECRET_KEY)
|
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|
|
|
|
|
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|
|
# 生成邮箱验证签名
|
|
|
|
|
sign = get_sha256(settings.SECRET_KEY + str(oauthuser.id) + settings.SECRET_KEY)
|
|
|
|
|
# 获取当前网站域名(开发环境使用127.0.0.1:8000)
|
|
|
|
|
site = get_current_site().domain
|
|
|
|
|
if settings.DEBUG:
|
|
|
|
|
site = '127.0.0.1:8000'
|
|
|
|
|
path = reverse('oauth:email_confirm', kwargs={
|
|
|
|
|
'id': oauthid,
|
|
|
|
|
'sign': sign
|
|
|
|
|
})
|
|
|
|
|
# 生成邮箱验证链接
|
|
|
|
|
path = reverse('oauth:email_confirm', kwargs={'id': oauthid, 'sign': sign})
|
|
|
|
|
url = "http://{site}{path}".format(site=site, path=path)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# 发送邮箱验证邮件
|
|
|
|
|
content = _("""
|
|
|
|
|
<p>Please click the link below to bind your email</p>
|
|
|
|
|
|
|
|
|
|
@ -226,16 +291,21 @@ class RequireEmailView(FormView):
|
|
|
|
|
%(url)s
|
|
|
|
|
""") % {'url': url}
|
|
|
|
|
send_email(emailto=[email, ], title=_('Bind your email'), content=content)
|
|
|
|
|
url = reverse('oauth:bindsuccess', kwargs={
|
|
|
|
|
'oauthid': oauthid
|
|
|
|
|
})
|
|
|
|
|
|
|
|
|
|
# 重定向到绑定成功页面(提示用户查收邮件)
|
|
|
|
|
url = reverse('oauth:bindsuccess', kwargs={'oauthid': oauthid})
|
|
|
|
|
url = url + '?type=email'
|
|
|
|
|
return HttpResponseRedirect(url)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
def bindsuccess(request, oauthid):
|
|
|
|
|
type = request.GET.get('type', None)
|
|
|
|
|
oauthuser = get_object_or_404(OAuthUser, pk=oauthid)
|
|
|
|
|
"""
|
|
|
|
|
绑定成功页面:展示绑定结果信息
|
|
|
|
|
"""
|
|
|
|
|
type = request.GET.get('type', None) # 获取类型(email:待验证;success:已验证)
|
|
|
|
|
oauthuser = get_object_or_404(OAuthUser, pk=oauthid) # 获取对应的OAuthUser
|
|
|
|
|
|
|
|
|
|
# 根据类型设置页面标题和内容
|
|
|
|
|
if type == 'email':
|
|
|
|
|
title = _('Bind your email')
|
|
|
|
|
content = _(
|
|
|
|
|
@ -247,7 +317,9 @@ def bindsuccess(request, oauthid):
|
|
|
|
|
"Congratulations, you have successfully bound your email address. You can use %(oauthuser_type)s"
|
|
|
|
|
" to directly log in to this website without a password. You are welcome to continue to follow this site." % {
|
|
|
|
|
'oauthuser_type': oauthuser.type})
|
|
|
|
|
|
|
|
|
|
# 渲染绑定成功页面
|
|
|
|
|
return render(request, 'oauth/bindsuccess.html', {
|
|
|
|
|
'title': title,
|
|
|
|
|
'content': content
|
|
|
|
|
})
|
|
|
|
|
})
|