next if (group_permissions[target.owner_uuid] and
group_permissions[target.owner_uuid][action])
end
+ sufficient_perms = case action
+ when :manage
+ ['can_manage']
+ when :write
+ ['can_manage', 'can_write']
+ when :read
+ ['can_manage', 'can_write', 'can_read']
+ else
+ # (Skip this kind of permission opportunity
+ # if action is an unknown permission type)
+ end
+ if sufficient_perms
+ # Check permission links with head_uuid pointing directly at
+ # the target object. If target is a Group, this is redundant
+ # and will fail except [a] if permission caching is broken or
+ # [b] during a race condition, where a permission link has
+ # *just* been added.
+ if Link.where(link_class: 'permission',
+ name: sufficient_perms,
+ tail_uuid: groups_i_can(action) + [self.uuid],
+ head_uuid: target_uuid).any?
+ next
+ end
+ end
return false
end
true
Group.where('owner_uuid in (?)', lookup_uuids).each do |group|
newgroups << [group.owner_uuid, group.uuid, 'can_manage']
end
- # add any permission links from the current lookup_uuids to a
- # User or Group.
- Link.where('tail_uuid in (?) and link_class = ? and (head_uuid like ? or head_uuid like ?)',
- lookup_uuids,
+ # add any permission links from the current lookup_uuids to a Group.
+ Link.where('link_class = ? and tail_uuid in (?) and ' \
+ '(head_uuid like ? or (name = ? and head_uuid like ?))',
'permission',
+ lookup_uuids,
Group.uuid_like_pattern,
+ 'can_manage',
User.uuid_like_pattern).each do |link|
newgroups << [link.tail_uuid, link.head_uuid, link.name]
end
# Automatically setup new user during creation
def auto_setup_new_user
- blacklisted_usernames = Rails.configuration.auto_setup_name_blacklist.split(', ')
-
- username = self.email.partition('@')[0] if self.email
-
- if !Rails.configuration.auto_setup_new_users ||
- !(/^[_.A-Za-z0-9][-\@_.A-Za-z0-9]*\$?$/.match(self.email)) ||
- blacklisted_usernames.include?(username)
- return true
- else
- username = derive_unique_username username
- # setup user
- setup_repo_vm_links(username, Rails.configuration.auto_setup_new_users_with_vm_uuid,
- Rails.configuration.default_openid_prefix)
+ return true if !Rails.configuration.auto_setup_new_users
+ return true if !self.email
+
+ if Rails.configuration.auto_setup_new_users_with_vm_uuid ||
+ Rails.configuration.auto_setup_new_users_with_repository
+ username = self.email.partition('@')[0] if self.email
+ return true if !username
+
+ blacklisted_usernames = Rails.configuration.auto_setup_name_blacklist
+ if blacklisted_usernames.include?(username)
+ return true
+ elsif !(/^[a-zA-Z][-._a-zA-Z0-9]{0,30}[a-zA-Z0-9]$/.match(username))
+ return true
+ else
+ return true if !(username = derive_unique_username username)
+ end
end
+
+ # setup user
+ setup_repo_vm_links(username,
+ Rails.configuration.auto_setup_new_users_with_vm_uuid,
+ Rails.configuration.default_openid_prefix)
end
- # Derive repo name and vm username using the string before @ in user's email
- # If a repo or vm login link with this username exists,
- # generate unique string by appending a random number
+ # Find a username that starts with the given string and does not collide
+ # with any existing repository name or VM login name
def derive_unique_username username
- # If repo and vm login link are not being created, no need to generate a unique username
- vm_uuid = Rails.configuration.auto_setup_new_users_with_vm_uuid
- if !vm_uuid && !Rails.configuration.auto_setup_new_users_with_repository
- return username
- end
-
- # need a unique username
- found_unique_username = false
- while !found_unique_username
- repo = Repository.where(name: username).first
-
- if repo
- username = username + SecureRandom.random_number(1000000).to_s
- elsif vm_uuid
- login_props = {"username" => username}
-
- vm_login_perms = Link.where(head_uuid: vm_uuid,
- link_class: 'permission',
- name: 'can_login')
- perm_exists = false
- vm_login_perms.each do |perm|
- if perm.properties['username'] == username
- perm_exists = true
- break
- end
- end
-
- if perm_exists
- username = username + SecureRandom.random_number(1000000).to_s
- else
- found_unique_username = true
- end
- else
- found_unique_username = true
+ while true
+ if Repository.where(name: username).empty?
+ login_collisions = Link.where(link_class: 'permission',
+ name: 'can_login').select do |perm|
+ perm.properties['username'] == username
end
+ return username if login_collisions.empty?
end
- return username
+ username = username + SecureRandom.random_number(10).to_s
+ end
end
# Send notification if the user saved profile for the first time