Remove users' repo decrypt passwords from server when log out

base/accounts.py

@@ -11,7 +11,9 @@ from auth.models import get_hexdigest, check_password
 from auth import authenticate, login
 from registration import signals
 #from registration.forms import RegistrationForm
-from seaserv import ccnet_threaded_rpc
+from seaserv import ccnet_threaded_rpc, unset_repo_passwd, is_passwd_set
+
+from seahub.utils import get_user_repos
 
 class UserManager(object):
     def create_user(self, email, password=None, is_staff=False, is_active=False):
@@ -142,6 +144,37 @@ class User(object):
         from django.core.mail import send_mail
         send_mail(subject, message, from_email, [self.email])
 
+    def remove_repo_passwds(self):
+        """
+        Remove all repo decryption passwords stored on server.
+        """
+        owned_repos, shared_repos, groups_repos = get_user_repos(self)
+
+        def has_repo(repos, repo):
+            for r in repos:
+                if repo.id == r.id:
+                    return True
+            return False
+
+        passwd_setted_repos = []
+        for r in owned_repos + groups_repos:
+            if not has_repo(passwd_setted_repos, r) and r.encrypted and \
+                    is_passwd_set(r.id, self.email):
+                passwd_setted_repos.append(r)
+        for r in shared_repos:
+            # For compatibility with diffrent fields names in Repo and
+            # SharedRepo objects.
+            r.id = r.repo_id
+            r.name = r.repo_name
+            r.desc = r.repo_desc
+
+            if not has_repo(passwd_setted_repos, r) and r.encrypted and \
+                    is_passwd_set(r.id, self.email):
+                passwd_setted_repos.append(r)
+
+        for r in passwd_setted_repos:
+            unset_repo_passwd(r.id, self.email)
+
 class RegistrationBackend(object):
     """
     A registration backend which follows a simple workflow:

thirdpart/auth/__init__.py

@@ -85,9 +85,14 @@ def logout(request):
     """
     Removes the authenticated user's ID from the request and flushes their
     session data.
+    Also remove all passwords used to decrypt repos.
     """
     request.session.flush()
     if hasattr(request, 'user'):
+        # NOTE: must include `seahub` before `base`        
+        from seahub.base.accounts import User 
+        if isinstance(request.user, User):
+            request.user.remove_repo_passwds()
         from auth.models import AnonymousUser
         request.user = AnonymousUser()
 

thirdpart/seaserv/__init__.py

@@ -2,7 +2,7 @@
 import service
 from service import ccnet_rpc, monitor_rpc, seafserv_rpc, \
     seafserv_threaded_rpc, ccnet_threaded_rpc
-from service import send_command, check_quota, web_get_access_token
+from service import send_command, check_quota, web_get_access_token, unset_repo_passwd
 from service import get_emailusers
 from service import get_org_groups, get_personal_groups_by_user, \
     get_group_repoids, get_personal_groups, \

thirdpart/seaserv/service.py

@@ -590,13 +590,6 @@ def check_permission(repo_id, user):
         ret = ""
     return ret
 
-def is_passwd_set(repo_id, user):
-    try:
-        ret = seafserv_rpc.is_passwd_set(repo_id, user)
-    except SearpcError, e:
-        ret = -1
-    return True if ret == 1 else False
-
 def is_personal_repo(repo_id):
     """
     Check whether repo is personal repo.
@@ -738,3 +731,24 @@ def web_get_access_token(repo_id, obj_id, op, username):
         ret = ''
     return ret
     
+# password management
+def unset_repo_passwd(repo_id, user):
+    """
+    Remove user password of a encrypt repo.
+    Arguments:
+    - `repo_id`: encrypt repo id
+    - `user`: username
+    """
+    try:
+        ret = seafserv_threaded_rpc.unset_passwd(repo_id, user)
+    except SearpcError, e:
+        ret = -1
+    return ret
+
+def is_passwd_set(repo_id, user):
+    try:
+        ret = seafserv_rpc.is_passwd_set(repo_id, user)
+    except SearpcError, e:
+        ret = -1
+    return True if ret == 1 else False
+

utils.py

@@ -175,6 +175,31 @@ def check_filename_with_rename(repo_id, parent_dir, filename):
             else:
                 i += 1
 
+def get_user_repos(user):
+    """
+    Get all repos that user can access, including owns, shared, and repo in
+    groups.
+    NOTE: collumn names in shared_repo struct are not same as owned or group
+    repos.
+    """
+    email = user.username
+    if user.org:
+        # org context
+        org_id = user.org['org_id']
+        owned_repos = list_org_repos_by_owner(org_id, email)
+        shared_repos = list_personal_shared_repos(email, 'to_email', -1, -1)
+        groups_repos = []
+        for group in get_org_groups_by_user(org_id, email):
+            groups_repos += get_org_group_repos(org_id, group.id, email)
+    else:
+        # personal context
+        owned_repos = list_personal_repos_by_owner(email)
+        shared_repos = list_personal_shared_repos(email, 'to_email', -1, -1)
+        groups_repos = []
+        for group in get_personal_groups_by_user(email):
+            groups_repos += get_group_repos(group.id, email)
+
+    return (owned_repos, shared_repos, groups_repos)
                 
 def get_accessible_repos(request, repo):
     """Get all repos the current user can access when coping/moving files
@@ -200,23 +225,7 @@ def get_accessible_repos(request, repo):
         accessible_repos = [repo]
         return accessible_repos
 
-    email = request.user.username
-
-    if request.user.org:
-        # org context
-        org_id = request.user.org['org_id']
-        owned_repos = list_org_repos_by_owner(org_id, email)
-        shared_repos = list_personal_shared_repos(email, 'to_email', -1, -1)
-        groups_repos = []
-        for group in get_org_groups_by_user(org_id, email):
-            groups_repos += get_org_group_repos(org_id, group.id, email)
-    else:
-        # personal context
-        owned_repos = list_personal_repos_by_owner(email)
-        shared_repos = list_personal_shared_repos(email, 'to_email', -1, -1)
-        groups_repos = []
-        for group in get_personal_groups_by_user(email):
-            groups_repos += get_group_repos(group.id, email)
+    owned_repos, shared_repos, groups_repos = get_user_repos(request.user)
 
     def has_repo(repos, repo):
         for r in repos: