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-rw-r--r--mediagoblin/plugins/basic_auth/lib.py20
1 files changed, 20 insertions, 0 deletions
diff --git a/mediagoblin/plugins/basic_auth/lib.py b/mediagoblin/plugins/basic_auth/lib.py
index 57820003..999abfd9 100644
--- a/mediagoblin/plugins/basic_auth/lib.py
+++ b/mediagoblin/plugins/basic_auth/lib.py
@@ -14,6 +14,7 @@
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import bcrypt
+import random
from mediagoblin.tools.template import render_template
from mediagoblin.tools.mail import send_email
@@ -97,3 +98,22 @@ def send_fp_verification_email(user, request):
[user.email],
'GNU MediaGoblin - Change forgotten password!',
rendered_email)
+
+
+def fake_login_attempt():
+ """
+ Pretend we're trying to login.
+
+ Nothing actually happens here, we're just trying to take up some
+ time, approximately the same amount of time as
+ bcrypt_check_password, so as to avoid figuring out what users are
+ on the system by intentionally faking logins a bunch of times.
+ """
+ rand_salt = bcrypt.gensalt(5)
+
+ hashed_pass = bcrypt.hashpw(str(random.random()), rand_salt)
+
+ randplus_stored_hash = bcrypt.hashpw(str(random.random()), rand_salt)
+ randplus_hashed_pass = bcrypt.hashpw(hashed_pass, rand_salt)
+
+ randplus_stored_hash == randplus_hashed_pass