diff options
Diffstat (limited to 'lib/gitlab/git_access.rb')
| -rw-r--r-- | lib/gitlab/git_access.rb | 107 |
1 files changed, 75 insertions, 32 deletions
diff --git a/lib/gitlab/git_access.rb b/lib/gitlab/git_access.rb index 56f6febe86d..8ec3386184a 100644 --- a/lib/gitlab/git_access.rb +++ b/lib/gitlab/git_access.rb @@ -2,15 +2,19 @@ # class return an instance of `GitlabAccessStatus` module Gitlab class GitAccess + include Gitlab::Utils::StrongMemoize + UnauthorizedError = Class.new(StandardError) NotFoundError = Class.new(StandardError) + ProjectCreationError = Class.new(StandardError) ProjectMovedError = Class.new(NotFoundError) ERROR_MESSAGES = { upload: 'You are not allowed to upload code for this project.', download: 'You are not allowed to download code from this project.', - deploy_key_upload: - 'This deploy key does not have write access to this project.', + auth_upload: 'You are not allowed to upload code.', + auth_download: 'You are not allowed to download code.', + deploy_key_upload: 'This deploy key does not have write access to this project.', no_repo: 'A repository for this project does not exist yet.', project_not_found: 'The project you were looking for could not be found.', account_blocked: 'Your account has been blocked.', @@ -25,24 +29,31 @@ module Gitlab PUSH_COMMANDS = %w{ git-receive-pack }.freeze ALL_COMMANDS = DOWNLOAD_COMMANDS + PUSH_COMMANDS - attr_reader :actor, :project, :protocol, :authentication_abilities, :redirected_path + attr_reader :actor, :project, :protocol, :authentication_abilities, :namespace_path, :project_path, :redirected_path - def initialize(actor, project, protocol, authentication_abilities:, redirected_path: nil) + def initialize(actor, project, protocol, authentication_abilities:, namespace_path: nil, project_path: nil, redirected_path: nil) @actor = actor @project = project @protocol = protocol - @redirected_path = redirected_path @authentication_abilities = authentication_abilities + @namespace_path = namespace_path + @project_path = project_path + @redirected_path = redirected_path end def check(cmd, changes) check_protocol! check_valid_actor! check_active_user! - check_project_accessibility! - check_project_moved! + check_authentication_abilities!(cmd) check_command_disabled!(cmd) check_command_existence!(cmd) + check_db_accessibility!(cmd) + + ensure_project_on_push!(cmd, changes) + + check_project_accessibility! + check_project_moved! check_repository_existence! case cmd @@ -95,6 +106,19 @@ module Gitlab end end + def check_authentication_abilities!(cmd) + case cmd + when *DOWNLOAD_COMMANDS + unless authentication_abilities.include?(:download_code) || authentication_abilities.include?(:build_download_code) + raise UnauthorizedError, ERROR_MESSAGES[:auth_download] + end + when *PUSH_COMMANDS + unless authentication_abilities.include?(:push_code) + raise UnauthorizedError, ERROR_MESSAGES[:auth_upload] + end + end + end + def check_project_accessibility! if project.blank? || !can_read_project? raise NotFoundError, ERROR_MESSAGES[:project_not_found] @@ -104,12 +128,12 @@ module Gitlab def check_project_moved! return if redirected_path.nil? - project_moved = Checks::ProjectMoved.new(project, user, redirected_path, protocol) + project_moved = Checks::ProjectMoved.new(project, user, protocol, redirected_path) if project_moved.permanent_redirect? - project_moved.add_redirect_message + project_moved.add_message else - raise ProjectMovedError, project_moved.redirect_message(rejected: true) + raise ProjectMovedError, project_moved.message(rejected: true) end end @@ -139,6 +163,40 @@ module Gitlab end end + def check_db_accessibility!(cmd) + return unless receive_pack?(cmd) + + if Gitlab::Database.read_only? + raise UnauthorizedError, push_to_read_only_message + end + end + + def ensure_project_on_push!(cmd, changes) + return if project || deploy_key? + return unless receive_pack?(cmd) && changes == '_any' && authentication_abilities.include?(:push_code) + + namespace = Namespace.find_by_full_path(namespace_path) + + return unless user&.can?(:create_projects, namespace) + + project_params = { + path: project_path, + namespace_id: namespace.id, + visibility_level: Gitlab::VisibilityLevel::PRIVATE + } + + project = Projects::CreateService.new(user, project_params).execute + + unless project.saved? + raise ProjectCreationError, "Could not create project: #{project.errors.full_messages.join(', ')}" + end + + @project = project + user_access.project = @project + + Checks::ProjectCreated.new(project, user, protocol).add_message + end + def check_repository_existence! unless project.repository.exists? raise UnauthorizedError, ERROR_MESSAGES[:no_repo] @@ -146,9 +204,8 @@ module Gitlab end def check_download_access! - return if deploy_key? - - passed = user_can_download_code? || + passed = deploy_key? || + user_can_download_code? || build_can_download_code? || guest_can_download_code? @@ -162,35 +219,21 @@ module Gitlab raise UnauthorizedError, ERROR_MESSAGES[:read_only] end - if Gitlab::Database.read_only? - raise UnauthorizedError, push_to_read_only_message - end - if deploy_key - check_deploy_key_push_access! + unless deploy_key.can_push_to?(project) + raise UnauthorizedError, ERROR_MESSAGES[:deploy_key_upload] + end elsif user - check_user_push_access! + # User access is verified in check_change_access! else raise UnauthorizedError, ERROR_MESSAGES[:upload] end - return if changes.blank? # Allow access. + return if changes.blank? # Allow access this is needed for EE. check_change_access!(changes) end - def check_user_push_access! - unless authentication_abilities.include?(:push_code) - raise UnauthorizedError, ERROR_MESSAGES[:upload] - end - end - - def check_deploy_key_push_access! - unless deploy_key.can_push_to?(project) - raise UnauthorizedError, ERROR_MESSAGES[:deploy_key_upload] - end - end - def check_change_access!(changes) changes_list = Gitlab::ChangesList.new(changes) |