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Refactor API::Helpers into API::Helpers::Core and API::Helpers::Authentication

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This commit is contained in:
Timothy Andrew
2016-04-28 22:28:36 +05:30
parent 3a60903874
commit e8314ccca5
6 changed files with 398 additions and 388 deletions
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lib/api/api.rb
+3 -1
View File
@@ -1,4 +1,5 @@
Dir["#{Rails.root}/lib/api/*.rb"].each {|file| require file}
Dir["#{Rails.root}/lib/api/helpers/*.rb"].each {|file| require file}
module API
class API < Grape::API
@@ -25,7 +26,8 @@ module API
format :json
content_type :txt, "text/plain"
helpers Helpers
helpers Helpers::Core
helpers Helpers::Authentication
mount Groups
mount GroupMembers
lib/api/helpers.rb
-385
View File
@@ -1,385 +0,0 @@
module API
module Helpers
PRIVATE_TOKEN_HEADER = "HTTP_PRIVATE_TOKEN"
PRIVATE_TOKEN_PARAM = :private_token
SUDO_HEADER ="HTTP_SUDO"
SUDO_PARAM = :sudo
def parse_boolean(value)
[ true, 1, '1', 't', 'T', 'true', 'TRUE', 'on', 'ON' ].include?(value)
end
def current_user
private_token = (params[PRIVATE_TOKEN_PARAM] || env[PRIVATE_TOKEN_HEADER]).to_s
@current_user ||= (User.find_by(authentication_token: private_token) || doorkeeper_guard)
unless @current_user && Gitlab::UserAccess.allowed?(@current_user)
return nil
end
identifier = sudo_identifier()
# If the sudo is the current user do nothing
if identifier && !(@current_user.id == identifier || @current_user.username == identifier)
render_api_error!('403 Forbidden: Must be admin to use sudo', 403) unless @current_user.is_admin?
@current_user = User.by_username_or_id(identifier)
not_found!("No user id or username for: #{identifier}") if @current_user.nil?
end
@current_user
end
def sudo_identifier()
identifier ||= params[SUDO_PARAM] || env[SUDO_HEADER]
# Regex for integers
if !!(identifier =~ /^[0-9]+$/)
identifier.to_i
else
identifier
end
end
def user_project
@project ||= find_project(params[:id])
@project || not_found!("Project")
end
def find_project(id)
project = Project.find_with_namespace(id) || Project.find_by(id: id)
if project && can?(current_user, :read_project, project)
project
else
nil
end
end
def project_service
@project_service ||= begin
underscored_service = params[:service_slug].underscore
if Service.available_services_names.include?(underscored_service)
user_project.build_missing_services
service_method = "#{underscored_service}_service"
send_service(service_method)
end
end
@project_service || not_found!("Service")
end
def send_service(service_method)
user_project.send(service_method)
end
def service_attributes
@service_attributes ||= project_service.fields.inject([]) do |arr, hash|
arr << hash[:name].to_sym
end
end
def find_group(id)
begin
group = Group.find(id)
rescue ActiveRecord::RecordNotFound
group = Group.find_by!(path: id)
end
if can?(current_user, :read_group, group)
group
else
not_found!('Group')
end
end
def paginate(relation)
relation.page(params[:page]).per(params[:per_page].to_i).tap do |data|
add_pagination_headers(data)
end
end
def authenticate!
unauthorized! unless current_user
end
def authenticate_by_gitlab_shell_token!
input = params['secret_token'].try(:chomp)
unless Devise.secure_compare(secret_token, input)
unauthorized!
end
end
def authenticated_as_admin!
forbidden! unless current_user.is_admin?
end
def authorize!(action, subject)
forbidden! unless abilities.allowed?(current_user, action, subject)
end
def authorize_push_project
authorize! :push_code, user_project
end
def authorize_admin_project
authorize! :admin_project, user_project
end
def require_gitlab_workhorse!
unless env['HTTP_GITLAB_WORKHORSE'].present?
forbidden!('Request should be executed via GitLab Workhorse')
end
end
def can?(object, action, subject)
abilities.allowed?(object, action, subject)
end
# Checks the occurrences of required attributes, each attribute must be present in the params hash
# or a Bad Request error is invoked.
#
# Parameters:
# keys (required) - A hash consisting of keys that must be present
def required_attributes!(keys)
keys.each do |key|
bad_request!(key) unless params[key].present?
end
end
def attributes_for_keys(keys, custom_params = nil)
params_hash = custom_params || params
attrs = {}
keys.each do |key|
if params_hash[key].present? or (params_hash.has_key?(key) and params_hash[key] == false)
attrs[key] = params_hash[key]
end
end
ActionController::Parameters.new(attrs).permit!
end
# Helper method for validating all labels against its names
def validate_label_params(params)
errors = {}
if params[:labels].present?
params[:labels].split(',').each do |label_name|
label = user_project.labels.create_with(
color: Label::DEFAULT_COLOR).find_or_initialize_by(
title: label_name.strip)
if label.invalid?
errors[label.title] = label.errors
end
end
end
errors
end
def validate_access_level?(level)
Gitlab::Access.options_with_owner.values.include? level.to_i
end
def issuable_order_by
if params["order_by"] == 'updated_at'
'updated_at'
else
'created_at'
end
end
def issuable_sort
if params["sort"] == 'asc'
:asc
else
:desc
end
end
def filter_by_iid(items, iid)
items.where(iid: iid)
end
# error helpers
def forbidden!(reason = nil)
message = ['403 Forbidden']
message << " - #{reason}" if reason
render_api_error!(message.join(' '), 403)
end
def bad_request!(attribute)
message = ["400 (Bad request)"]
message << "\"" + attribute.to_s + "\" not given"
render_api_error!(message.join(' '), 400)
end
def not_found!(resource = nil)
message = ["404"]
message << resource if resource
message << "Not Found"
render_api_error!(message.join(' '), 404)
end
def unauthorized!
render_api_error!('401 Unauthorized', 401)
end
def not_allowed!
render_api_error!('405 Method Not Allowed', 405)
end
def conflict!(message = nil)
render_api_error!(message || '409 Conflict', 409)
end
def file_to_large!
render_api_error!('413 Request Entity Too Large', 413)
end
def not_modified!
render_api_error!('304 Not Modified', 304)
end
def render_validation_error!(model)
if model.errors.any?
render_api_error!(model.errors.messages || '400 Bad Request', 400)
end
end
def render_api_error!(message, status)
error!({ 'message' => message }, status)
end
# Projects helpers
def filter_projects(projects)
# If the archived parameter is passed, limit results accordingly
if params[:archived].present?
projects = projects.where(archived: parse_boolean(params[:archived]))
end
if params[:search].present?
projects = projects.search(params[:search])
end
if params[:visibility].present?
projects = projects.search_by_visibility(params[:visibility])
end
projects.reorder(project_order_by => project_sort)
end
def project_order_by
order_fields = %w(id name path created_at updated_at last_activity_at)
if order_fields.include?(params['order_by'])
params['order_by']
else
'created_at'
end
end
def project_sort
if params["sort"] == 'asc'
:asc
else
:desc
end
end
# file helpers
def uploaded_file(field, uploads_path)
if params[field]
bad_request!("#{field} is not a file") unless params[field].respond_to?(:filename)
return params[field]
end
return nil unless params["#{field}.path"] && params["#{field}.name"]
# sanitize file paths
# this requires all paths to exist
required_attributes! %W(#{field}.path)
uploads_path = File.realpath(uploads_path)
file_path = File.realpath(params["#{field}.path"])
bad_request!('Bad file path') unless file_path.start_with?(uploads_path)
UploadedFile.new(
file_path,
params["#{field}.name"],
params["#{field}.type"] || 'application/octet-stream',
)
end
def present_file!(path, filename, content_type = 'application/octet-stream')
filename ||= File.basename(path)
header['Content-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
else
file FileStreamer.new(path)
end
end
private
def add_pagination_headers(paginated_data)
header 'X-Total', paginated_data.total_count.to_s
header 'X-Total-Pages', paginated_data.total_pages.to_s
header 'X-Per-Page', paginated_data.limit_value.to_s
header 'X-Page', paginated_data.current_page.to_s
header 'X-Next-Page', paginated_data.next_page.to_s
header 'X-Prev-Page', paginated_data.prev_page.to_s
header 'Link', pagination_links(paginated_data)
end
def pagination_links(paginated_data)
request_url = request.url.split('?').first
request_params = params.clone
request_params[:per_page] = paginated_data.limit_value
links = []
request_params[:page] = paginated_data.current_page - 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="prev") unless paginated_data.first_page?
request_params[:page] = paginated_data.current_page + 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="next") unless paginated_data.last_page?
request_params[:page] = 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="first")
request_params[:page] = paginated_data.total_pages
links << %(<#{request_url}?#{request_params.to_query}>; rel="last")
links.join(', ')
end
def abilities
@abilities ||= begin
abilities = Six.new
abilities << Ability
abilities
end
end
def secret_token
File.read(Gitlab.config.gitlab_shell.secret_file).chomp
end
def handle_member_errors(errors)
error!(errors[:access_level], 422) if errors[:access_level].any?
not_found!(errors)
end
end
end
lib/api/helpers/authentication.rb
+41
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@@ -0,0 +1,41 @@
module API
module Helpers
module Authentication
PRIVATE_TOKEN_HEADER = "HTTP_PRIVATE_TOKEN"
PRIVATE_TOKEN_PARAM = :private_token
SUDO_HEADER ="HTTP_SUDO"
SUDO_PARAM = :sudo
def current_user
private_token = (params[PRIVATE_TOKEN_PARAM] || env[PRIVATE_TOKEN_HEADER]).to_s
@current_user ||= (User.find_by(authentication_token: private_token) || doorkeeper_guard)
unless @current_user && Gitlab::UserAccess.allowed?(@current_user)
return nil
end
identifier = sudo_identifier()
# If the sudo is the current user do nothing
if identifier && !(@current_user.id == identifier || @current_user.username == identifier)
render_api_error!('403 Forbidden: Must be admin to use sudo', 403) unless @current_user.is_admin?
@current_user = User.by_username_or_id(identifier)
not_found!("No user id or username for: #{identifier}") if @current_user.nil?
end
@current_user
end
def sudo_identifier()
identifier ||= params[SUDO_PARAM] || env[SUDO_HEADER]
# Regex for integers
if !!(identifier =~ /^[0-9]+$/)
identifier.to_i
else
identifier
end
end
end
end
end
lib/api/helpers/core.rb
+351
View File
@@ -0,0 +1,351 @@
module API
module Helpers
module Core
def parse_boolean(value)
[ true, 1, '1', 't', 'T', 'true', 'TRUE', 'on', 'ON' ].include?(value)
end
def user_project
@project ||= find_project(params[:id])
@project || not_found!("Project")
end
def find_project(id)
project = Project.find_with_namespace(id) || Project.find_by(id: id)
if project && can?(current_user, :read_project, project)
project
else
nil
end
end
def project_service
@project_service ||= begin
underscored_service = params[:service_slug].underscore
if Service.available_services_names.include?(underscored_service)
user_project.build_missing_services
service_method = "#{underscored_service}_service"
send_service(service_method)
end
end
@project_service || not_found!("Service")
end
def send_service(service_method)
user_project.send(service_method)
end
def service_attributes
@service_attributes ||= project_service.fields.inject([]) do |arr, hash|
arr << hash[:name].to_sym
end
end
def find_group(id)
begin
group = Group.find(id)
rescue ActiveRecord::RecordNotFound
group = Group.find_by!(path: id)
end
if can?(current_user, :read_group, group)
group
else
not_found!('Group')
end
end
def paginate(relation)
relation.page(params[:page]).per(params[:per_page].to_i).tap do |data|
add_pagination_headers(data)
end
end
def authenticate!
unauthorized! unless current_user
end
def authenticate_by_gitlab_shell_token!
input = params['secret_token'].try(:chomp)
unless Devise.secure_compare(secret_token, input)
unauthorized!
end
end
def authenticated_as_admin!
forbidden! unless current_user.is_admin?
end
def authorize!(action, subject)
forbidden! unless abilities.allowed?(current_user, action, subject)
end
def authorize_push_project
authorize! :push_code, user_project
end
def authorize_admin_project
authorize! :admin_project, user_project
end
def require_gitlab_workhorse!
unless env['HTTP_GITLAB_WORKHORSE'].present?
forbidden!('Request should be executed via GitLab Workhorse')
end
end
def can?(object, action, subject)
abilities.allowed?(object, action, subject)
end
# Checks the occurrences of required attributes, each attribute must be present in the params hash
# or a Bad Request error is invoked.
#
# Parameters:
# keys (required) - A hash consisting of keys that must be present
def required_attributes!(keys)
keys.each do |key|
bad_request!(key) unless params[key].present?
end
end
def attributes_for_keys(keys, custom_params = nil)
params_hash = custom_params || params
attrs = {}
keys.each do |key|
if params_hash[key].present? or (params_hash.has_key?(key) and params_hash[key] == false)
attrs[key] = params_hash[key]
end
end
ActionController::Parameters.new(attrs).permit!
end
# Helper method for validating all labels against its names
def validate_label_params(params)
errors = {}
if params[:labels].present?
params[:labels].split(',').each do |label_name|
label = user_project.labels.create_with(
color: Label::DEFAULT_COLOR).find_or_initialize_by(
title: label_name.strip)
if label.invalid?
errors[label.title] = label.errors
end
end
end
errors
end
def validate_access_level?(level)
Gitlab::Access.options_with_owner.values.include? level.to_i
end
def issuable_order_by
if params["order_by"] == 'updated_at'
'updated_at'
else
'created_at'
end
end
def issuable_sort
if params["sort"] == 'asc'
:asc
else
:desc
end
end
def filter_by_iid(items, iid)
items.where(iid: iid)
end
# error helpers
def forbidden!(reason = nil)
message = ['403 Forbidden']
message << " - #{reason}" if reason
render_api_error!(message.join(' '), 403)
end
def bad_request!(attribute)
message = ["400 (Bad request)"]
message << "\"" + attribute.to_s + "\" not given"
render_api_error!(message.join(' '), 400)
end
def not_found!(resource = nil)
message = ["404"]
message << resource if resource
message << "Not Found"
render_api_error!(message.join(' '), 404)
end
def unauthorized!
render_api_error!('401 Unauthorized', 401)
end
def not_allowed!
render_api_error!('405 Method Not Allowed', 405)
end
def conflict!(message = nil)
render_api_error!(message || '409 Conflict', 409)
end
def file_to_large!
render_api_error!('413 Request Entity Too Large', 413)
end
def not_modified!
render_api_error!('304 Not Modified', 304)
end
def render_validation_error!(model)
if model.errors.any?
render_api_error!(model.errors.messages || '400 Bad Request', 400)
end
end
def render_api_error!(message, status)
error!({ 'message' => message }, status)
end
# Projects helpers
def filter_projects(projects)
# If the archived parameter is passed, limit results accordingly
if params[:archived].present?
projects = projects.where(archived: parse_boolean(params[:archived]))
end
if params[:search].present?
projects = projects.search(params[:search])
end
if params[:visibility].present?
projects = projects.search_by_visibility(params[:visibility])
end
projects.reorder(project_order_by => project_sort)
end
def project_order_by
order_fields = %w(id name path created_at updated_at last_activity_at)
if order_fields.include?(params['order_by'])
params['order_by']
else
'created_at'
end
end
def project_sort
if params["sort"] == 'asc'
:asc
else
:desc
end
end
# file helpers
def uploaded_file(field, uploads_path)
if params[field]
bad_request!("#{field} is not a file") unless params[field].respond_to?(:filename)
return params[field]
end
return nil unless params["#{field}.path"] && params["#{field}.name"]
# sanitize file paths
# this requires all paths to exist
required_attributes! %W(#{field}.path)
uploads_path = File.realpath(uploads_path)
file_path = File.realpath(params["#{field}.path"])
bad_request!('Bad file path') unless file_path.start_with?(uploads_path)
UploadedFile.new(
file_path,
params["#{field}.name"],
params["#{field}.type"] || 'application/octet-stream',
)
end
def present_file!(path, filename, content_type = 'application/octet-stream')
filename ||= File.basename(path)
header['Content-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
else
file FileStreamer.new(path)
end
end
private
def add_pagination_headers(paginated_data)
header 'X-Total', paginated_data.total_count.to_s
header 'X-Total-Pages', paginated_data.total_pages.to_s
header 'X-Per-Page', paginated_data.limit_value.to_s
header 'X-Page', paginated_data.current_page.to_s
header 'X-Next-Page', paginated_data.next_page.to_s
header 'X-Prev-Page', paginated_data.prev_page.to_s
header 'Link', pagination_links(paginated_data)
end
def pagination_links(paginated_data)
request_url = request.url.split('?').first
request_params = params.clone
request_params[:per_page] = paginated_data.limit_value
links = []
request_params[:page] = paginated_data.current_page - 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="prev") unless paginated_data.first_page?
request_params[:page] = paginated_data.current_page + 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="next") unless paginated_data.last_page?
request_params[:page] = 1
links << %(<#{request_url}?#{request_params.to_query}>; rel="first")
request_params[:page] = paginated_data.total_pages
links << %(<#{request_url}?#{request_params.to_query}>; rel="last")
links.join(', ')
end
def abilities
@abilities ||= begin
abilities = Six.new
abilities << Ability
abilities
end
end
def secret_token
File.read(Gitlab.config.gitlab_shell.secret_file).chomp
end
def handle_member_errors(errors)
error!(errors[:access_level], 422) if errors[:access_level].any?
not_found!(errors)
end
end
end
end
lib/ci/api/api.rb
+2 -1
View File
@@ -28,7 +28,8 @@ module Ci
format :json
helpers ::Ci::API::Helpers
helpers ::API::Helpers
helpers ::API::Helpers::Core
helpers ::API::Helpers::Authentication
helpers Gitlab::CurrentSettings
mount Builds
spec/requests/api/users_spec.rb
+1 -1
View File
@@ -24,7 +24,7 @@ describe API::API, api: true do
context "when public level is restricted" do
before do
stub_application_setting(restricted_visibility_levels: [Gitlab::VisibilityLevel::PUBLIC])
allow_any_instance_of(API::Helpers).to receive(:authenticate!).and_return(true)
allow_any_instance_of(API::Helpers::Authentication).to receive(:authenticate!).and_return(true)
end
it "renders 403" do