def _make_flow(request, scopes, return_url=None):
"""Creates a Web Server Flow
Args:
request: A Django request object.
scopes: the request oauth2 scopes.
return_url: The URL to return to after the flow is complete. Defaults
to the path of the current request.
Returns:
An OAuth2 flow object that has been stored in the session.
"""
# Generate a CSRF token to prevent malicious requests.
csrf_token = hashlib.sha256(os.urandom(1024)).hexdigest()
request.session[_CSRF_KEY] = csrf_token
state = json.dumps({
'csrf_token': csrf_token,
'return_url': return_url,
})
flow = client.OAuth2WebServerFlow(
client_id=django_util.oauth2_settings.client_id,
client_secret=django_util.oauth2_settings.client_secret,
scope=scopes,
state=state,
redirect_uri=request.build_absolute_uri(
resolvers.reverse("google_oauth:callback")))
flow_key = _FLOW_KEY.format(csrf_token)
request.session[flow_key] = jsonpickle.encode(flow)
return flow
def get(self, request):
next = self.get_next()
scheme = 'https' if request.is_secure() else 'http'
query = urlencode([('next', next)])
netloc = request.get_host()
path = reverse('simple-sso-authenticate')
redirect_to = urlunparse((scheme, netloc, path, '', query, ''))
request_token = self.client.get_request_token(redirect_to)
host = urljoin(self.client.server_url, 'authorize/')
url = '%s?%s' % (host, urlencode([('token', request_token)]))
return HttpResponseRedirect(url)
def new_topic(request):
""" 添加新主题 """
if request.method != 'POST':
# 未提交数据：创建一个新表单
form = TopicForm()
else:
# POST提交的数据，对数据进行处理
form = TopicForm(request.POST)
if form.is_vaild():
form.save()
return HttpResponseRedirect(reverse('learning_logs:topics'))
context = {'form': form}
return render(request, 'learning_logs/new_topic.html', context)
def _redirect_with_params(url_name, *args, **kwargs):
"""Helper method to create a redirect response with URL params.
This builds a redirect string that converts kwargs into a
query string.
Args:
url_name: The name of the url to redirect to.
kwargs: the query string param and their values to build.
Returns:
A properly formatted redirect string.
"""
url = resolvers.reverse(url_name, args=args)
params = parse.urlencode(kwargs, True)
return "{0}?{1}".format(url, params)
def edit_entry(request, entry_id):
""" 编辑既有条目 """
entry = Entry.objects.get(id=entry_id)
topic = entry.topic
if request.method != 'POST':
""" 初次请求，使用当前条目填充表单 """
form = EntryForm(instance=entry)
else:
form = EntryForm(instance=entry, data=request.POST)
if form.is_valid():
form.save()
return HttpResponseRedirect(
reverse('learning_logs:topic', args=[topic.id]))
context = {'entry': entry, 'topic': topic, 'form': form}
return render(request, 'learning_logs/edit_entry.html', context)
def new_entry(request, topic_id):
""" 在特定的主题中添加新条目 """
topic = Topic.objects.get(id=topic_id)
if request.method != 'POST':
# 未提交数据，创建一个空表单
form = EntryForm()
else:
# POST提交的数据，对数据进行处理
form = EntryForm(data=request.POST)
if form.is_vaild():
new_entry = form.save(commit=False)
new_entry.topic = topic
new_entry.save()
return HttpResponseRedirect(
reverse('learning_logs:topic', args=[topic_id]))
context = {'topic': topic, 'form': form}
return render(request, 'learning_logs/new_entry.html', context)