moved fake_login_attempt to plugins
This commit is contained in:
Rodney Ewing
parent
c9dec8b3cc
commit
14efa7bdf1
@ -49,3 +49,7 @@ def get_registration_form(request):
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def gen_password_hash(raw_pass, extra_salt=None):
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return hook_handle("auth_gen_password_hash", raw_pass, extra_salt)
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def fake_login_attempt():
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return hook_handle("auth_fake_login_attempt")
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@ -13,35 +13,11 @@
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import random
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import bcrypt
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from mediagoblin.tools.mail import send_email
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from mediagoblin.tools.template import render_template
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from mediagoblin import mg_globals
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def fake_login_attempt():
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"""
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Pretend we're trying to login.
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Nothing actually happens here, we're just trying to take up some
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time, approximately the same amount of time as
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bcrypt_check_password, so as to avoid figuring out what users are
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on the system by intentionally faking logins a bunch of times.
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"""
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rand_salt = bcrypt.gensalt(5)
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hashed_pass = bcrypt.hashpw(str(random.random()), rand_salt)
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randplus_stored_hash = bcrypt.hashpw(str(random.random()), rand_salt)
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randplus_hashed_pass = bcrypt.hashpw(hashed_pass, rand_salt)
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randplus_stored_hash == randplus_hashed_pass
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EMAIL_VERIFICATION_TEMPLATE = (
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u"http://{host}{uri}?"
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u"userid={userid}&token={verification_key}")
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@ -118,7 +118,7 @@ def login(request):
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# Some failure during login occured if we are here!
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# Prevent detecting who's on this system by testing login
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# attempt timings
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auth_lib.fake_login_attempt()
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auth.fake_login_attempt()
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login_failed = True
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return render_to_response(
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@ -209,3 +209,141 @@ def resend_activation(request):
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return redirect(
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request, 'mediagoblin.user_pages.user_home',
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user=request.user.username)
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def forgot_password(request):
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"""
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Forgot password view
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Sends an email with an url to renew forgotten password.
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Use GET querystring parameter 'username' to pre-populate the input field
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"""
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fp_form = auth_forms.ForgotPassForm(request.form,
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username=request.args.get('username'))
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if not (request.method == 'POST' and fp_form.validate()):
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# Either GET request, or invalid form submitted. Display the template
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return render_to_response(request,
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'mediagoblin/auth/forgot_password.html', {'fp_form': fp_form})
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# If we are here: method == POST and form is valid. username casing
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# has been sanitized. Store if a user was found by email. We should
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# not reveal if the operation was successful then as we don't want to
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# leak if an email address exists in the system.
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found_by_email = '@' in fp_form.username.data
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if found_by_email:
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user = User.query.filter_by(
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email = fp_form.username.data).first()
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# Don't reveal success in case the lookup happened by email address.
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success_message=_("If that email address (case sensitive!) is "
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"registered an email has been sent with instructions "
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"on how to change your password.")
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else: # found by username
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user = User.query.filter_by(
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username = fp_form.username.data).first()
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if user is None:
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messages.add_message(request,
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messages.WARNING,
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_("Couldn't find someone with that username."))
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return redirect(request, 'mediagoblin.auth.forgot_password')
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success_message=_("An email has been sent with instructions "
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"on how to change your password.")
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if user and not(user.email_verified and user.status == 'active'):
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# Don't send reminder because user is inactive or has no verified email
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messages.add_message(request,
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messages.WARNING,
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_("Could not send password recovery email as your username is in"
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"active or your account's email address has not been verified."))
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return redirect(request, 'mediagoblin.user_pages.user_home',
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user=user.username)
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# SUCCESS. Send reminder and return to login page
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if user:
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user.fp_verification_key = unicode(uuid.uuid4())
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user.fp_token_expire = datetime.datetime.now() + \
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datetime.timedelta(days=10)
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user.save()
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email_debug_message(request)
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send_fp_verification_email(user, request)
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messages.add_message(request, messages.INFO, success_message)
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return redirect(request, 'mediagoblin.auth.login')
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def verify_forgot_password(request):
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"""
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Check the forgot-password verification and possibly let the user
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change their password because of it.
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"""
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# get form data variables, and specifically check for presence of token
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formdata = _process_for_token(request)
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if not formdata['has_userid_and_token']:
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return render_404(request)
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formdata_token = formdata['vars']['token']
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formdata_userid = formdata['vars']['userid']
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formdata_vars = formdata['vars']
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# check if it's a valid user id
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user = User.query.filter_by(id=formdata_userid).first()
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if not user:
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return render_404(request)
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# check if we have a real user and correct token
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if ((user and user.fp_verification_key and
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user.fp_verification_key == unicode(formdata_token) and
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datetime.datetime.now() < user.fp_token_expire
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and user.email_verified and user.status == 'active')):
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cp_form = auth_forms.ChangePassForm(formdata_vars)
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if request.method == 'POST' and cp_form.validate():
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user.pw_hash = auth_lib.bcrypt_gen_password_hash(
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cp_form.password.data)
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user.fp_verification_key = None
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user.fp_token_expire = None
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user.save()
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messages.add_message(
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request,
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messages.INFO,
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_("You can now log in using your new password."))
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return redirect(request, 'mediagoblin.auth.login')
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else:
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return render_to_response(
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request,
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'mediagoblin/auth/change_fp.html',
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{'cp_form': cp_form})
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# in case there is a valid id but no user with that id in the db
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# or the token expired
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else:
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return render_404(request)
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def _process_for_token(request):
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"""
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Checks for tokens in formdata without prior knowledge of request method
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For now, returns whether the userid and token formdata variables exist, and
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the formdata variables in a hash. Perhaps an object is warranted?
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"""
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# retrieve the formdata variables
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if request.method == 'GET':
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formdata_vars = request.GET
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else:
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formdata_vars = request.form
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formdata = {
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'vars': formdata_vars,
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'has_userid_and_token':
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'userid' in formdata_vars and 'token' in formdata_vars}
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return formdata
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@ -102,4 +102,5 @@ hooks = {
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'auth_get_login_form': get_login_form,
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'auth_get_registration_form': get_registration_form,
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'auth_gen_password_hash': gen_password_hash,
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'auth_fake_login_attempt': auth_lib.fake_login_attempt,
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}
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@ -14,6 +14,7 @@
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import bcrypt
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import random
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from mediagoblin.tools.template import render_template
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from mediagoblin.tools.mail import send_email
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@ -97,3 +98,22 @@ def send_fp_verification_email(user, request):
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[user.email],
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'GNU MediaGoblin - Change forgotten password!',
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rendered_email)
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def fake_login_attempt():
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"""
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Pretend we're trying to login.
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Nothing actually happens here, we're just trying to take up some
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time, approximately the same amount of time as
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bcrypt_check_password, so as to avoid figuring out what users are
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on the system by intentionally faking logins a bunch of times.
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"""
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rand_salt = bcrypt.gensalt(5)
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hashed_pass = bcrypt.hashpw(str(random.random()), rand_salt)
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randplus_stored_hash = bcrypt.hashpw(str(random.random()), rand_salt)
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randplus_hashed_pass = bcrypt.hashpw(hashed_pass, rand_salt)
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randplus_stored_hash == randplus_hashed_pass
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@ -23,7 +23,6 @@ from werkzeug.exceptions import MethodNotAllowed, BadRequest, NotImplemented
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from werkzeug.wrappers import BaseResponse
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from mediagoblin.meddleware.csrf import csrf_exempt
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from mediagoblin.auth.lib import fake_login_attempt
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from mediagoblin.media_types import sniff_media
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from mediagoblin.submit.lib import check_file_field, prepare_queue_task, \
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run_process_media, new_upload_entry
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@ -33,6 +32,7 @@ from mediagoblin.db.models import Collection
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from .tools import CmdTable, response_xml, check_form, \
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PWGSession, PwgNamedArray, PwgError
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from mediagoblin.plugins.basic_auth.lib import fake_login_attempt
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from .forms import AddSimpleForm, AddForm
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