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91 lines
3.3 KiB
91 lines
3.3 KiB
#-- encoding: UTF-8
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#-- copyright
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# OpenProject is a project management system.
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# Copyright (C) 2012-2014 the OpenProject Foundation (OPF)
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License version 3.
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#
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# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
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# Copyright (C) 2006-2013 Jean-Philippe Lang
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# Copyright (C) 2010-2013 the ChiliProject Team
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#
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# See doc/COPYRIGHT.rdoc for more details.
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#++
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# Root class of the API
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# This is the place for all API wide configuration, helper methods, exceptions
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# rescuing, mounting of differnet API versions etc.
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module API
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class Root < Grape::API
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prefix :api
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class Formatter
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def call(object, env)
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object.respond_to?(:to_json) ? object.to_json : MultiJson.dump(object)
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end
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end
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content_type 'hal+json', 'application/hal+json'
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format 'hal+json'
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formatter 'hal+json', Formatter.new
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helpers do
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def current_user
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return User.current if Rails.env.test?
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user_id = env['rack.session']['user_id']
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User.current = user_id ? User.find(user_id) : User.anonymous
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end
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def authenticate
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raise API::Errors::Unauthenticated.new if current_user.nil? || current_user.anonymous? if Setting.login_required?
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end
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def authorize(permission, context: nil, global: false, user: current_user, allow: true)
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is_authorized = AuthorizationService.new(permission, context: context, global: global, user: user).call
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raise API::Errors::Unauthorized.new(current_user) unless is_authorized && allow
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is_authorized
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end
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def build_representer(obj, model_klass, representer_klass, options = {})
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model = (obj.kind_of?(Array)) ? obj.map{ |o| model_klass.new(o) } : model_klass.new(obj)
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representer_klass.new(model, options)
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end
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end
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rescue_from :all do |e|
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case e.class.to_s
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when 'API::Errors::Validation', 'API::Errors::UnwritableProperty', 'API::Errors::Unauthorized', 'API::Errors::Unauthenticated'
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Rack::Response.new(e.to_json, e.code, e.headers).finish
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when 'ActiveRecord::RecordNotFound'
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not_found = API::Errors::NotFound.new(e.message)
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Rack::Response.new(not_found.to_json, not_found.code, not_found.headers).finish
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when 'ActiveRecord::RecordInvalid'
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error = API::Errors::Validation.new(e.record)
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Rack::Response.new(error.to_json, error.code, error.headers).finish
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end
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end
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# run authentication before each request
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before do
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authenticate
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end
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mount API::V3::Root
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end
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end
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