gitlabhq/lib/api/helpers.rb

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module Gitlab
module APIHelpers
def current_user
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@current_user ||= User.find_by_authentication_token(params[:private_token] || env["HTTP_PRIVATE_TOKEN"])
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end
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def user_project
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@project ||= find_project
@project || not_found!
end
def find_project
project = Project.find_by_id(params[:id]) || Project.find_with_namespace(params[:id])
if project && can?(current_user, :read_project, project)
project
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else
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nil
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end
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end
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def paginate(object)
object.page(params[:page]).per(params[:per_page].to_i)
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 authenticated_as_admin!
forbidden! unless current_user.is_admin?
end
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def authorize! action, subject
unless abilities.allowed?(current_user, action, subject)
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forbidden!
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end
end
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def can?(object, action, subject)
abilities.allowed?(object, action, subject)
end
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def attributes_for_keys(keys)
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attrs = {}
keys.each do |key|
attrs[key] = params[key] if params[key].present?
end
attrs
end
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# error helpers
def forbidden!
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render_api_error!('403 Forbidden', 403)
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end
def not_found!(resource = nil)
message = ["404"]
message << resource if resource
message << "Not Found"
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render_api_error!(message.join(' '), 404)
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end
def unauthorized!
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render_api_error!('401 Unauthorized', 401)
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end
def not_allowed!
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render_api_error!('Method Not Allowed', 405)
end
def render_api_error!(message, status)
error!({'message' => message}, status)
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end
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private
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def abilities
@abilities ||= begin
abilities = Six.new
abilities << Ability
abilities
end
end
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end
end