824 lines
24 KiB
Ruby
824 lines
24 KiB
Ruby
# frozen_string_literal: true
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module API
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module Helpers
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include Gitlab::Utils
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include Helpers::Caching
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include Helpers::Pagination
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include Helpers::PaginationStrategies
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include Gitlab::Ci::Artifacts::Logger
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include Gitlab::Utils::StrongMemoize
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SUDO_HEADER = "HTTP_SUDO"
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GITLAB_SHARED_SECRET_HEADER = "Gitlab-Shared-Secret"
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GITLAB_SHELL_API_HEADER = "Gitlab-Shell-Api-Request"
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GITLAB_SHELL_JWT_ISSUER = "gitlab-shell"
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SUDO_PARAM = :sudo
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API_USER_ENV = 'gitlab.api.user'
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API_TOKEN_ENV = 'gitlab.api.token'
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API_EXCEPTION_ENV = 'gitlab.api.exception'
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API_RESPONSE_STATUS_CODE = 'gitlab.api.response_status_code'
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def declared_params(options = {})
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options = { include_parent_namespaces: false }.merge(options)
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declared(params, options).to_h.symbolize_keys
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end
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def check_unmodified_since!(last_modified)
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if_unmodified_since = begin
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Time.parse(headers['If-Unmodified-Since'])
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rescue StandardError
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nil
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end
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if if_unmodified_since && last_modified && last_modified > if_unmodified_since
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render_api_error!('412 Precondition Failed', 412)
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end
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end
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def destroy_conditionally!(resource, last_updated: nil)
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last_updated ||= resource.updated_at
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check_unmodified_since!(last_updated)
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status 204
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body false
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if block_given?
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yield resource
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else
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resource.destroy
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end
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end
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def job_token_authentication?
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initial_current_user && @current_authenticated_job.present? # rubocop:disable Gitlab/ModuleWithInstanceVariables
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end
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# Returns the job associated with the token provided for
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# authentication, if any
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def current_authenticated_job
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if try(:namespace_inheritable, :authentication)
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ci_build_from_namespace_inheritable
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else
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@current_authenticated_job # rubocop:disable Gitlab/ModuleWithInstanceVariables
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end
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end
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# rubocop:disable Gitlab/ModuleWithInstanceVariables
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# We can't rewrite this with StrongMemoize because `sudo!` would
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# actually write to `@current_user`, and `sudo?` would immediately
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# call `current_user` again which reads from `@current_user`.
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# We should rewrite this in a way that using StrongMemoize is possible
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def current_user
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return @current_user if defined?(@current_user)
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@current_user = initial_current_user
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Gitlab::I18n.locale = @current_user&.preferred_language
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sudo!
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validate_access_token!(scopes: scopes_registered_for_endpoint) unless sudo?
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save_current_user_in_env(@current_user) if @current_user
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save_current_token_in_env
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if @current_user
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::ApplicationRecord
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.sticking
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.stick_or_unstick_request(env, :user, @current_user.id)
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end
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@current_user
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end
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# rubocop:enable Gitlab/ModuleWithInstanceVariables
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def save_current_user_in_env(user)
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env[API_USER_ENV] = { user_id: user.id, username: user.username }
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end
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def save_current_token_in_env
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token = access_token
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env[API_TOKEN_ENV] = { token_id: token.id, token_type: token.class } if token
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rescue Gitlab::Auth::UnauthorizedError
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end
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def sudo?
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initial_current_user != current_user
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end
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def user_group
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@group ||= find_group!(params[:id])
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end
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def user_project
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@project ||= find_project!(params[:id])
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end
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def available_labels_for(label_parent, params = { include_ancestor_groups: true, only_group_labels: true })
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if label_parent.is_a?(Project)
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params.delete(:only_group_labels)
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params[:project_id] = label_parent.id
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else
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params[:group_id] = label_parent.id
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end
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LabelsFinder.new(current_user, params).execute
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end
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def find_user(id)
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UserFinder.new(id).find_by_id_or_username
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def find_project(id)
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return unless id
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projects = Project.without_deleted.not_hidden
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if id.is_a?(Integer) || id =~ /^\d+$/
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projects.find_by(id: id)
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elsif id.include?("/")
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projects.find_by_full_path(id)
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end
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def find_project!(id)
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project = find_project(id)
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return forbidden! unless authorized_project_scope?(project)
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return project if can?(current_user, :read_project, project)
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return unauthorized! if authenticate_non_public?
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not_found!('Project')
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end
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def authorized_project_scope?(project)
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return true unless job_token_authentication?
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return true unless route_authentication_setting[:job_token_scope] == :project
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::Feature.enabled?(:ci_job_token_scope, project) &&
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current_authenticated_job.project == project
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def find_group(id)
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if id.to_s =~ /^\d+$/
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Group.find_by(id: id)
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else
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Group.find_by_full_path(id)
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end
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def find_group!(id)
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group = find_group(id)
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check_group_access(group)
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def find_group_by_full_path!(full_path)
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group = Group.find_by_full_path(full_path)
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check_group_access(group)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def check_group_access(group)
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return group if can?(current_user, :read_group, group)
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return unauthorized! if authenticate_non_public?
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not_found!('Group')
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end
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def check_namespace_access(namespace)
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return namespace if can?(current_user, :read_namespace, namespace)
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not_found!('Namespace')
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def find_namespace(id)
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if id.to_s =~ /^\d+$/
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Namespace.without_project_namespaces.find_by(id: id)
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else
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find_namespace_by_path(id)
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end
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def find_namespace!(id)
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check_namespace_access(find_namespace(id))
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end
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def find_namespace_by_path(path)
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Namespace.without_project_namespaces.find_by_full_path(path)
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end
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def find_namespace_by_path!(path)
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check_namespace_access(find_namespace_by_path(path))
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end
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def find_branch!(branch_name)
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if Gitlab::GitRefValidator.validate(branch_name)
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user_project.repository.find_branch(branch_name) || not_found!('Branch')
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else
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render_api_error!('The branch refname is invalid', 400)
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end
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end
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def find_tag!(tag_name)
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if Gitlab::GitRefValidator.validate(tag_name)
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user_project.repository.find_tag(tag_name) || not_found!('Tag')
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else
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render_api_error!('The tag refname is invalid', 400)
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end
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def find_project_issue(iid, project_id = nil)
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project = project_id ? find_project!(project_id) : user_project
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::IssuesFinder.new(
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current_user,
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project_id: project.id,
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issue_types: WorkItems::Type.allowed_types_for_issues
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).find_by!(iid: iid)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def find_project_merge_request(iid)
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MergeRequestsFinder.new(current_user, project_id: user_project.id).find_by!(iid: iid)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def find_project_commit(id)
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user_project.commit_by(oid: id)
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def find_merge_request_with_access(iid, access_level = :read_merge_request)
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merge_request = user_project.merge_requests.find_by!(iid: iid)
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authorize! access_level, merge_request
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merge_request
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def find_build!(id)
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user_project.builds.find(id.to_i)
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end
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def find_job!(id)
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user_project.processables.find(id.to_i)
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end
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def authenticate!
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unauthorized! unless current_user
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end
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def authenticate_non_get!
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authenticate! unless %w[GET HEAD].include?(route.request_method)
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end
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def authenticate_by_gitlab_shell_token!
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if Feature.enabled?(:gitlab_shell_jwt_token)
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begin
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payload, _ = JSONWebToken::HMACToken.decode(headers[GITLAB_SHELL_API_HEADER], secret_token)
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unauthorized! unless payload['iss'] == GITLAB_SHELL_JWT_ISSUER
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rescue JWT::DecodeError, JWT::ExpiredSignature, JWT::ImmatureSignature => ex
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Gitlab::ErrorTracking.track_exception(ex)
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unauthorized!
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end
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else
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input = params['secret_token']
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input ||= Base64.decode64(headers[GITLAB_SHARED_SECRET_HEADER]) if headers.key?(GITLAB_SHARED_SECRET_HEADER)
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input&.chomp!
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unauthorized! unless Devise.secure_compare(secret_token, input)
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end
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end
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def authenticated_with_can_read_all_resources!
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authenticate!
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forbidden! unless current_user.can_read_all_resources?
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end
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def authenticated_as_admin!
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authenticate!
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forbidden! unless current_user.admin?
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end
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def authorize!(action, subject = :global, reason = nil)
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forbidden!(reason) unless can?(current_user, action, subject)
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end
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def authorize_push_project
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authorize! :push_code, user_project
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end
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def authorize_admin_tag
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authorize! :admin_tag, user_project
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end
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def authorize_admin_project
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authorize! :admin_project, user_project
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end
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def authorize_admin_group
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authorize! :admin_group, user_group
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end
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def authorize_read_builds!
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authorize! :read_build, user_project
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end
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def authorize_read_build_trace!(build)
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authorize! :read_build_trace, build
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end
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def authorize_read_job_artifacts!(build)
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authorize! :read_job_artifacts, build
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end
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def authorize_destroy_artifacts!
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authorize! :destroy_artifacts, user_project
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end
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def authorize_update_builds!
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authorize! :update_build, user_project
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end
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def require_repository_enabled!(subject = :global)
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not_found!("Repository") unless user_project.feature_available?(:repository, current_user)
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end
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def require_gitlab_workhorse!
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verify_workhorse_api!
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unless env['HTTP_GITLAB_WORKHORSE'].present?
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forbidden!('Request should be executed via GitLab Workhorse')
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end
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end
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def verify_workhorse_api!
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Gitlab::Workhorse.verify_api_request!(request.headers)
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rescue StandardError => e
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Gitlab::ErrorTracking.track_exception(e)
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forbidden!
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end
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def require_pages_enabled!
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not_found! unless user_project.pages_available?
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end
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def require_pages_config_enabled!
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not_found! unless Gitlab.config.pages.enabled
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end
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def can?(object, action, subject = :global)
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Ability.allowed?(object, action, subject)
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end
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# Checks the occurrences of required attributes, each attribute must be present in the params hash
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# or a Bad Request error is invoked.
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#
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# Parameters:
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# keys (required) - A hash consisting of keys that must be present
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def required_attributes!(keys)
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keys.each do |key|
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bad_request_missing_attribute!(key) unless params[key].present?
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end
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end
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def attributes_for_keys(keys, custom_params = nil)
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params_hash = custom_params || params
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attrs = {}
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keys.each do |key|
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if params_hash[key].present? || (params_hash.key?(key) && params_hash[key] == false)
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attrs[key] = params_hash[key]
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end
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end
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permitted_attrs = ActionController::Parameters.new(attrs).permit!
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permitted_attrs.to_h
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end
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# rubocop: disable CodeReuse/ActiveRecord
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def filter_by_iid(items, iid)
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items.where(iid: iid)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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# rubocop: disable CodeReuse/ActiveRecord
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def filter_by_title(items, title)
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items.where(title: title)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def filter_by_search(items, text)
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items.search(text)
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end
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def order_options_with_tie_breaker
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order_by = if params[:order_by] == 'created_at'
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'id'
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else
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params[:order_by]
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end
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order_options = { order_by => params[:sort] }
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order_options['id'] ||= params[:sort] || 'asc'
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order_options
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end
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# error helpers
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def forbidden!(reason = nil)
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render_api_error_with_reason!(403, '403 Forbidden', reason)
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end
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def bad_request!(reason = nil)
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render_api_error_with_reason!(400, '400 Bad request', reason)
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end
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def bad_request_missing_attribute!(attribute)
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bad_request!("\"#{attribute}\" not given")
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end
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def not_found!(resource = nil)
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message = ["404"]
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message << resource if resource
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message << "Not Found"
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render_api_error!(message.join(' '), 404)
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end
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def check_sha_param!(params, merge_request)
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if params[:sha] && merge_request.diff_head_sha != params[:sha]
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render_api_error!("SHA does not match HEAD of source branch: #{merge_request.diff_head_sha}", 409)
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end
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end
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def unauthorized!(reason = nil)
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render_api_error_with_reason!(401, '401 Unauthorized', reason)
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end
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def not_allowed!(message = nil)
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render_api_error!(message || '405 Method Not Allowed', :method_not_allowed)
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end
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def not_acceptable!
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render_api_error!('406 Not Acceptable', 406)
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end
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def service_unavailable!(message = nil)
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render_api_error!(message || '503 Service Unavailable', 503)
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end
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def conflict!(message = nil)
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render_api_error!(message || '409 Conflict', 409)
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end
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def unprocessable_entity!(message = nil)
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render_api_error!(message || '422 Unprocessable Entity', :unprocessable_entity)
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end
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def file_too_large!
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render_api_error!('413 Request Entity Too Large', 413)
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end
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def not_modified!
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render_api_error!('304 Not Modified', 304)
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end
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def no_content!
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render_api_error!('204 No Content', 204)
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end
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def created!
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render_api_error!('201 Created', 201)
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end
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def accepted!
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render_api_error!('202 Accepted', 202)
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end
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def render_validation_error!(model, status = 400)
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if model.errors.any?
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render_api_error!(model_error_messages(model) || '400 Bad Request', status)
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end
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end
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def model_error_messages(model)
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model.errors.messages
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end
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def render_api_error_with_reason!(status, message, reason)
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message = [message]
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message << "- #{reason}" if reason
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render_api_error!(message.join(' '), status)
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end
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def render_api_error!(message, status)
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render_structured_api_error!({ 'message' => message }, status)
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end
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def render_structured_api_error!(hash, status)
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# Use this method instead of `render_api_error!` when you have additional top-level
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# hash entries in addition to 'message' which need to be passed to `#error!`
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set_status_code_in_env(status)
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error!(hash, status, header)
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end
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def set_status_code_in_env(status)
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# grape-logging doesn't pass the status code, so this is a
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# workaround for getting that information in the loggers:
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# https://github.com/aserafin/grape_logging/issues/71
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env[API_RESPONSE_STATUS_CODE] = Rack::Utils.status_code(status)
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end
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def handle_api_exception(exception)
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if report_exception?(exception)
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define_params_for_grape_middleware
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Gitlab::ApplicationContext.push(user: current_user, remote_ip: request.ip)
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Gitlab::ErrorTracking.track_exception(exception)
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end
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# This is used with GrapeLogging::Loggers::ExceptionLogger
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env[API_EXCEPTION_ENV] = exception
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|
|
# lifted from https://github.com/rails/rails/blob/master/actionpack/lib/action_dispatch/middleware/debug_exceptions.rb#L60
|
|
trace = exception.backtrace
|
|
|
|
message = ["\n#{exception.class} (#{exception.message}):\n"]
|
|
message << exception.annoted_source_code.to_s if exception.respond_to?(:annoted_source_code)
|
|
message << " " << trace.join("\n ")
|
|
message = message.join
|
|
|
|
API.logger.add Logger::FATAL, message
|
|
|
|
response_message =
|
|
if Rails.env.test?
|
|
message
|
|
else
|
|
'500 Internal Server Error'
|
|
end
|
|
|
|
rack_response({ 'message' => response_message }.to_json, 500)
|
|
end
|
|
|
|
# project helpers
|
|
|
|
# rubocop: disable CodeReuse/ActiveRecord
|
|
def reorder_projects(projects)
|
|
projects.reorder(order_options_with_tie_breaker)
|
|
end
|
|
# rubocop: enable CodeReuse/ActiveRecord
|
|
|
|
def project_finder_params
|
|
project_finder_params_ce.merge(project_finder_params_ee)
|
|
end
|
|
|
|
# file helpers
|
|
|
|
def present_disk_file!(path, filename, content_type = 'application/octet-stream')
|
|
filename ||= File.basename(path)
|
|
header['Content-Disposition'] = ActionDispatch::Http::ContentDisposition.format(disposition: 'attachment', filename: filename)
|
|
header['Content-Transfer-Encoding'] = 'binary'
|
|
content_type content_type
|
|
|
|
# Support download acceleration
|
|
case headers['X-Sendfile-Type']
|
|
when 'X-Sendfile'
|
|
header['X-Sendfile'] = path
|
|
body '' # to avoid an error from API::APIGuard::ResponseCoercerMiddleware
|
|
else
|
|
sendfile path
|
|
end
|
|
end
|
|
|
|
def present_artifacts_file!(file, project:, **args)
|
|
log_artifacts_filesize(file&.model)
|
|
|
|
present_carrierwave_file!(file, project: project, **args)
|
|
end
|
|
|
|
def present_carrierwave_file!(file, project: nil, supports_direct_download: true)
|
|
return not_found! unless file&.exists?
|
|
|
|
if file.file_storage?
|
|
present_disk_file!(file.path, file.filename)
|
|
elsif supports_direct_download && file.class.direct_download_enabled?
|
|
redirect(cdn_fronted_url(file, project))
|
|
else
|
|
header(*Gitlab::Workhorse.send_url(file.url))
|
|
status :ok
|
|
body '' # to avoid an error from API::APIGuard::ResponseCoercerMiddleware
|
|
end
|
|
end
|
|
|
|
def cdn_fronted_url(file, project)
|
|
if file.respond_to?(:cdn_enabled_url)
|
|
result = file.cdn_enabled_url(project, ip_address)
|
|
Gitlab::ApplicationContext.push(artifact_used_cdn: result.used_cdn)
|
|
result.url
|
|
else
|
|
file.url
|
|
end
|
|
end
|
|
|
|
def increment_counter(event_name)
|
|
Gitlab::UsageDataCounters.count(event_name)
|
|
rescue StandardError => error
|
|
Gitlab::AppLogger.warn("Redis tracking event failed for event: #{event_name}, message: #{error.message}")
|
|
end
|
|
|
|
# @param event_name [String] the event name
|
|
# @param values [Array|String] the values counted
|
|
def increment_unique_values(event_name, values)
|
|
return unless values.present?
|
|
|
|
Gitlab::UsageDataCounters::HLLRedisCounter.track_event(event_name, values: values)
|
|
rescue StandardError => error
|
|
Gitlab::AppLogger.warn("Redis tracking event failed for event: #{event_name}, message: #{error.message}")
|
|
end
|
|
|
|
def order_by_similarity?(allow_unauthorized: true)
|
|
params[:order_by] == 'similarity' && params[:search].present? && (allow_unauthorized || current_user.present?)
|
|
end
|
|
|
|
protected
|
|
|
|
def project_finder_params_visibility_ce
|
|
finder_params = {}
|
|
finder_params[:min_access_level] = params[:min_access_level] if params[:min_access_level]
|
|
finder_params[:visibility_level] = Gitlab::VisibilityLevel.level_value(params[:visibility]) if params[:visibility]
|
|
finder_params[:owned] = true if params[:owned].present?
|
|
finder_params[:non_public] = true if params[:membership].present?
|
|
finder_params[:starred] = true if params[:starred].present?
|
|
finder_params[:archived] = archived_param unless params[:archived].nil?
|
|
finder_params
|
|
end
|
|
|
|
def project_finder_params_ce
|
|
finder_params = project_finder_params_visibility_ce
|
|
|
|
finder_params.merge!(
|
|
params
|
|
.slice(:search,
|
|
:custom_attributes,
|
|
:last_activity_after,
|
|
:last_activity_before,
|
|
:topic,
|
|
:topic_id,
|
|
:repository_storage)
|
|
.symbolize_keys
|
|
.compact
|
|
)
|
|
|
|
finder_params[:with_issues_enabled] = true if params[:with_issues_enabled].present?
|
|
finder_params[:with_merge_requests_enabled] = true if params[:with_merge_requests_enabled].present?
|
|
finder_params[:without_deleted] = true
|
|
finder_params[:search_namespaces] = true if params[:search_namespaces].present?
|
|
finder_params[:user] = params.delete(:user) if params[:user]
|
|
finder_params[:id_after] = sanitize_id_param(params[:id_after]) if params[:id_after]
|
|
finder_params[:id_before] = sanitize_id_param(params[:id_before]) if params[:id_before]
|
|
finder_params
|
|
end
|
|
|
|
# Overridden in EE
|
|
def project_finder_params_ee
|
|
{}
|
|
end
|
|
|
|
def validate_anonymous_search_access!
|
|
return if current_user.present? || Feature.disabled?(:disable_anonymous_search, type: :ops)
|
|
|
|
unprocessable_entity!('User must be authenticated to use search')
|
|
end
|
|
|
|
private
|
|
|
|
# rubocop:disable Gitlab/ModuleWithInstanceVariables
|
|
def initial_current_user
|
|
return @initial_current_user if defined?(@initial_current_user)
|
|
|
|
begin
|
|
@initial_current_user = Gitlab::Auth::UniqueIpsLimiter.limit_user! { find_current_user! }
|
|
rescue Gitlab::Auth::UnauthorizedError
|
|
unauthorized!
|
|
end
|
|
end
|
|
# rubocop:enable Gitlab/ModuleWithInstanceVariables
|
|
|
|
def sudo!
|
|
return unless sudo_identifier
|
|
|
|
unauthorized! unless initial_current_user
|
|
|
|
unless initial_current_user.admin?
|
|
forbidden!('Must be admin to use sudo')
|
|
end
|
|
|
|
unless access_token
|
|
forbidden!('Must be authenticated using an OAuth or Personal Access Token to use sudo')
|
|
end
|
|
|
|
validate_access_token!(scopes: [:sudo])
|
|
|
|
sudoed_user = find_user(sudo_identifier)
|
|
not_found!("User with ID or username '#{sudo_identifier}'") unless sudoed_user
|
|
|
|
@current_user = sudoed_user # rubocop:disable Gitlab/ModuleWithInstanceVariables
|
|
end
|
|
|
|
def sudo_identifier
|
|
@sudo_identifier ||= params[SUDO_PARAM] || env[SUDO_HEADER]
|
|
end
|
|
|
|
def secret_token
|
|
if Feature.enabled?(:gitlab_shell_jwt_token)
|
|
strong_memoize(:secret_token) do
|
|
File.read(Gitlab.config.gitlab_shell.secret_file)
|
|
end
|
|
else
|
|
Gitlab::Shell.secret_token
|
|
end
|
|
end
|
|
|
|
def authenticate_non_public?
|
|
route_authentication_setting[:authenticate_non_public] && !current_user
|
|
end
|
|
|
|
def send_git_blob(repository, blob)
|
|
env['api.format'] = :txt
|
|
content_type 'text/plain'
|
|
|
|
header['Content-Disposition'] = ActionDispatch::Http::ContentDisposition.format(disposition: 'inline', filename: blob.name)
|
|
|
|
# Let Workhorse examine the content and determine the better content disposition
|
|
header[Gitlab::Workhorse::DETECT_HEADER] = "true"
|
|
|
|
header(*Gitlab::Workhorse.send_git_blob(repository, blob))
|
|
|
|
body ''
|
|
end
|
|
|
|
def send_git_archive(repository, **kwargs)
|
|
header(*Gitlab::Workhorse.send_git_archive(repository, **kwargs))
|
|
|
|
body ''
|
|
end
|
|
|
|
# Deprecated. Use `send_artifacts_entry` instead.
|
|
def legacy_send_artifacts_entry(file, entry)
|
|
header(*Gitlab::Workhorse.send_artifacts_entry(file, entry))
|
|
|
|
body ''
|
|
end
|
|
|
|
def send_artifacts_entry(file, entry)
|
|
header(*Gitlab::Workhorse.send_artifacts_entry(file, entry))
|
|
header(*Gitlab::Workhorse.detect_content_type)
|
|
|
|
body ''
|
|
end
|
|
|
|
# The Grape Error Middleware only has access to `env` but not `params` nor
|
|
# `request`. We workaround this by defining methods that returns the right
|
|
# values.
|
|
def define_params_for_grape_middleware
|
|
self.define_singleton_method(:request) { ActionDispatch::Request.new(env) }
|
|
self.define_singleton_method(:params) { request.params.symbolize_keys }
|
|
end
|
|
|
|
# We could get a Grape or a standard Ruby exception. We should only report anything that
|
|
# is clearly an error.
|
|
def report_exception?(exception)
|
|
return true unless exception.respond_to?(:status)
|
|
|
|
exception.status == 500
|
|
end
|
|
|
|
def archived_param
|
|
return 'only' if params[:archived]
|
|
|
|
params[:archived]
|
|
end
|
|
|
|
def ip_address
|
|
env["action_dispatch.remote_ip"].to_s || request.ip
|
|
end
|
|
|
|
def sanitize_id_param(id)
|
|
id.present? ? id.to_i : nil
|
|
end
|
|
end
|
|
end
|
|
|
|
API::Helpers.prepend_mod_with('API::Helpers')
|