jro_apps/redmine Commit - r12772:3b91ec2246ed

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# Redmine - project management software

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# Redmine - project management software

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#

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#

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# This program is free software; you can redistribute it and/or

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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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# 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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# 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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# of the License, or (at your option) any later version.

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#

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#

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# This program is distributed in the hope that it will be useful,

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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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# 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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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

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# GNU General Public License for more details.

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# GNU General Public License for more details.

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#

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#

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# You should have received a copy of the GNU General Public License

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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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# 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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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

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require 'uri'

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require 'uri'

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require 'cgi'

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require 'cgi'

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class Unauthorized < Exception; end

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class Unauthorized < Exception; end

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class ApplicationController < ActionController::Base

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class ApplicationController < ActionController::Base

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include Redmine::I18n

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include Redmine::I18n

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include Redmine::Pagination

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include Redmine::Pagination

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include RoutesHelper

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include RoutesHelper

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helper :routes

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helper :routes

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class_attribute :accept_api_auth_actions

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class_attribute :accept_api_auth_actions

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class_attribute :accept_rss_auth_actions

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class_attribute :accept_rss_auth_actions

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class_attribute :model_object

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class_attribute :model_object

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layout 'base'

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layout 'base'

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protect_from_forgery

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protect_from_forgery

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def verify_authenticity_token

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def verify_authenticity_token

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unless api_request?

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unless api_request?

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super

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super

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end

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end

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end

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end

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def handle_unverified_request

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def handle_unverified_request

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unless api_request?

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unless api_request?

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super

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super

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cookies.delete(autologin_cookie_name)

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cookies.delete(autologin_cookie_name)

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self.logged_user = nil

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render_error :status => 422, :message => "Invalid form authenticity token."

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render_error :status => 422, :message => "Invalid form authenticity token."

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end

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end

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end

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end

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before_filter :session_expiration, :user_setup, :check_if_login_required, :check_password_change, :set_localization

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before_filter :session_expiration, :user_setup, :check_if_login_required, :check_password_change, :set_localization

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rescue_from ::Unauthorized, :with => :deny_access

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rescue_from ::Unauthorized, :with => :deny_access

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rescue_from ::ActionView::MissingTemplate, :with => :missing_template

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rescue_from ::ActionView::MissingTemplate, :with => :missing_template

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include Redmine::Search::Controller

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include Redmine::Search::Controller

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include Redmine::MenuManager::MenuController

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include Redmine::MenuManager::MenuController

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helper Redmine::MenuManager::MenuHelper

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helper Redmine::MenuManager::MenuHelper

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def session_expiration

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def session_expiration

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if session[:user_id]

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if session[:user_id]

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if session_expired? && !try_to_autologin

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if session_expired? && !try_to_autologin

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reset_session

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reset_session

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flash[:error] = l(:error_session_expired)

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flash[:error] = l(:error_session_expired)

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redirect_to signin_url

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redirect_to signin_url

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else

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else

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session[:atime] = Time.now.utc.to_i

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session[:atime] = Time.now.utc.to_i

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end

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end

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end

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end

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end

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end

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def session_expired?

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def session_expired?

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if Setting.session_lifetime?

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if Setting.session_lifetime?

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unless session[:ctime] && (Time.now.utc.to_i - session[:ctime].to_i <= Setting.session_lifetime.to_i * 60)

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unless session[:ctime] && (Time.now.utc.to_i - session[:ctime].to_i <= Setting.session_lifetime.to_i * 60)

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return true

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return true

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end

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end

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end

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end

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if Setting.session_timeout?

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if Setting.session_timeout?

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unless session[:atime] && (Time.now.utc.to_i - session[:atime].to_i <= Setting.session_timeout.to_i * 60)

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unless session[:atime] && (Time.now.utc.to_i - session[:atime].to_i <= Setting.session_timeout.to_i * 60)

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return true

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return true

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end

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end

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end

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end

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false

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false

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end

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end

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def start_user_session(user)

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def start_user_session(user)

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session[:user_id] = user.id

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session[:user_id] = user.id

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session[:ctime] = Time.now.utc.to_i

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session[:ctime] = Time.now.utc.to_i

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session[:atime] = Time.now.utc.to_i

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session[:atime] = Time.now.utc.to_i

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if user.must_change_password?

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if user.must_change_password?

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session[:pwd] = '1'

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session[:pwd] = '1'

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end

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end

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end

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end

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def user_setup

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def user_setup

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# Check the settings cache for each request

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# Check the settings cache for each request

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Setting.check_cache

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Setting.check_cache

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# Find the current user

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# Find the current user

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User.current = find_current_user

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User.current = find_current_user

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logger.info(" Current user: " + (User.current.logged? ? "#{User.current.login} (id=#{User.current.id})" : "anonymous")) if logger

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logger.info(" Current user: " + (User.current.logged? ? "#{User.current.login} (id=#{User.current.id})" : "anonymous")) if logger

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end

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end

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# Returns the current user or nil if no user is logged in

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# Returns the current user or nil if no user is logged in

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# and starts a session if needed

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# and starts a session if needed

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def find_current_user

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def find_current_user

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user = nil

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user = nil

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unless api_request?

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unless api_request?

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if session[:user_id]

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if session[:user_id]

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# existing session

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# existing session

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user = (User.active.find(session[:user_id]) rescue nil)

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user = (User.active.find(session[:user_id]) rescue nil)

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elsif autologin_user = try_to_autologin

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elsif autologin_user = try_to_autologin

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user = autologin_user

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user = autologin_user

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elsif params[:format] == 'atom' && params[:key] && request.get? && accept_rss_auth?

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elsif params[:format] == 'atom' && params[:key] && request.get? && accept_rss_auth?

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# RSS key authentication does not start a session

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# RSS key authentication does not start a session

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user = User.find_by_rss_key(params[:key])

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user = User.find_by_rss_key(params[:key])

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end

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end

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end

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end

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if user.nil? && Setting.rest_api_enabled? && accept_api_auth?

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if user.nil? && Setting.rest_api_enabled? && accept_api_auth?

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if (key = api_key_from_request)

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if (key = api_key_from_request)

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# Use API key

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# Use API key

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user = User.find_by_api_key(key)

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user = User.find_by_api_key(key)

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else

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else

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# HTTP Basic, either username/password or API key/random

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# HTTP Basic, either username/password or API key/random

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authenticate_with_http_basic do |username, password|

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authenticate_with_http_basic do |username, password|

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user = User.try_to_login(username, password) || User.find_by_api_key(username)

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user = User.try_to_login(username, password) || User.find_by_api_key(username)

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end

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end

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if user && user.must_change_password?

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if user && user.must_change_password?

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render_error :message => 'You must change your password', :status => 403

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render_error :message => 'You must change your password', :status => 403

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return

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return

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end

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end

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end

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end

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# Switch user if requested by an admin user

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# Switch user if requested by an admin user

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if user && user.admin? && (username = api_switch_user_from_request)

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if user && user.admin? && (username = api_switch_user_from_request)

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su = User.find_by_login(username)

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su = User.find_by_login(username)

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if su && su.active?

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if su && su.active?

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logger.info(" User switched by: #{user.login} (id=#{user.id})") if logger

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logger.info(" User switched by: #{user.login} (id=#{user.id})") if logger

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user = su

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user = su

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else

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else

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render_error :message => 'Invalid X-Redmine-Switch-User header', :status => 412

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render_error :message => 'Invalid X-Redmine-Switch-User header', :status => 412

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end

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end

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end

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end

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end

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end

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user

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user

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end

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end

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def autologin_cookie_name

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def autologin_cookie_name

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Redmine::Configuration['autologin_cookie_name'].presence || 'autologin'

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Redmine::Configuration['autologin_cookie_name'].presence || 'autologin'

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end

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end

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def try_to_autologin

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def try_to_autologin

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if cookies[autologin_cookie_name] && Setting.autologin?

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if cookies[autologin_cookie_name] && Setting.autologin?

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# auto-login feature starts a new session

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# auto-login feature starts a new session

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user = User.try_to_autologin(cookies[autologin_cookie_name])

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user = User.try_to_autologin(cookies[autologin_cookie_name])

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if user

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if user

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reset_session

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reset_session

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start_user_session(user)

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start_user_session(user)

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end

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end

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user

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user

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end

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end

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end

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end

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# Sets the logged in user

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# Sets the logged in user

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def logged_user=(user)

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def logged_user=(user)

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reset_session

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reset_session

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if user && user.is_a?(User)

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if user && user.is_a?(User)

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User.current = user

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User.current = user

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start_user_session(user)

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start_user_session(user)

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else

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else

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User.current = User.anonymous

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User.current = User.anonymous

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end

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end

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end

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end

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# Logs out current user

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# Logs out current user

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def logout_user

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def logout_user

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if User.current.logged?

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if User.current.logged?

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cookies.delete(autologin_cookie_name)

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cookies.delete(autologin_cookie_name)

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Token.delete_all(["user_id = ? AND action = ?", User.current.id, 'autologin'])

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Token.delete_all(["user_id = ? AND action = ?", User.current.id, 'autologin'])

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self.logged_user = nil

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self.logged_user = nil

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end

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end

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end

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end

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# check if login is globally required to access the application

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# check if login is globally required to access the application

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def check_if_login_required

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def check_if_login_required

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# no check needed if user is already logged in

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# no check needed if user is already logged in

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return true if User.current.logged?

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return true if User.current.logged?

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require_login if Setting.login_required?

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require_login if Setting.login_required?

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end

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end

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def check_password_change

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def check_password_change

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if session[:pwd]

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if session[:pwd]

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if User.current.must_change_password?

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if User.current.must_change_password?

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redirect_to my_password_path

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redirect_to my_password_path

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else

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else

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session.delete(:pwd)

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session.delete(:pwd)

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end

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end

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end

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end

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end

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end

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def set_localization

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def set_localization

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lang = nil

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lang = nil

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if User.current.logged?

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if User.current.logged?

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lang = find_language(User.current.language)

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lang = find_language(User.current.language)

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end

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end

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if lang.nil? && request.env['HTTP_ACCEPT_LANGUAGE']

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if lang.nil? && request.env['HTTP_ACCEPT_LANGUAGE']

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accept_lang = parse_qvalues(request.env['HTTP_ACCEPT_LANGUAGE']).first

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accept_lang = parse_qvalues(request.env['HTTP_ACCEPT_LANGUAGE']).first

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if !accept_lang.blank?

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if !accept_lang.blank?

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accept_lang = accept_lang.downcase

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accept_lang = accept_lang.downcase

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lang = find_language(accept_lang) || find_language(accept_lang.split('-').first)

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lang = find_language(accept_lang) || find_language(accept_lang.split('-').first)

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end

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end

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end

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end

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lang ||= Setting.default_language

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lang ||= Setting.default_language

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set_language_if_valid(lang)

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set_language_if_valid(lang)

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end

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end

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def require_login

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def require_login

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if !User.current.logged?

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if !User.current.logged?

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# Extract only the basic url parameters on non-GET requests

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# Extract only the basic url parameters on non-GET requests

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if request.get?

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if request.get?

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url = url_for(params)

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url = url_for(params)

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else

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else

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url = url_for(:controller => params[:controller], :action => params[:action], :id => params[:id], :project_id => params[:project_id])

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url = url_for(:controller => params[:controller], :action => params[:action], :id => params[:id], :project_id => params[:project_id])

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end

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end

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respond_to do |format|

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respond_to do |format|

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format.html {

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format.html {

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if request.xhr?

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if request.xhr?

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head :unauthorized

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head :unauthorized

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else

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else

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redirect_to :controller => "account", :action => "login", :back_url => url

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redirect_to :controller => "account", :action => "login", :back_url => url

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end

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end

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}

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}

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format.atom { redirect_to :controller => "account", :action => "login", :back_url => url }

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format.atom { redirect_to :controller => "account", :action => "login", :back_url => url }

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format.xml { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }

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format.xml { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }

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format.js { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }

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format.js { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }

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format.json { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }

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format.json { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }

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end

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end

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return false

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return false

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end

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end

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true

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true

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end

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end

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def require_admin

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def require_admin

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return unless require_login

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return unless require_login

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if !User.current.admin?

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if !User.current.admin?

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render_403

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render_403

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return false

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return false

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end

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end

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true

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true

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end

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end

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def deny_access

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def deny_access

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User.current.logged? ? render_403 : require_login

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User.current.logged? ? render_403 : require_login

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end

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end

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# Authorize the user for the requested action

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# Authorize the user for the requested action

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def authorize(ctrl = params[:controller], action = params[:action], global = false)

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def authorize(ctrl = params[:controller], action = params[:action], global = false)

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allowed = User.current.allowed_to?({:controller => ctrl, :action => action}, @project || @projects, :global => global)

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allowed = User.current.allowed_to?({:controller => ctrl, :action => action}, @project || @projects, :global => global)

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if allowed

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if allowed

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true

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true

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else

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else

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if @project && @project.archived?

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if @project && @project.archived?

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render_403 :message => :notice_not_authorized_archived_project

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render_403 :message => :notice_not_authorized_archived_project

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else

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else

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deny_access

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deny_access

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end

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end

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end

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end

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end

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end

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# Authorize the user for the requested action outside a project

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# Authorize the user for the requested action outside a project

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def authorize_global(ctrl = params[:controller], action = params[:action], global = true)

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def authorize_global(ctrl = params[:controller], action = params[:action], global = true)

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authorize(ctrl, action, global)

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authorize(ctrl, action, global)

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end

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end

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# Find project of id params[:id]

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# Find project of id params[:id]

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def find_project

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def find_project

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@project = Project.find(params[:id])

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@project = Project.find(params[:id])

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rescue ActiveRecord::RecordNotFound

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rescue ActiveRecord::RecordNotFound

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render_404

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render_404

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end

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end

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# Find project of id params[:project_id]

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# Find project of id params[:project_id]

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def find_project_by_project_id

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def find_project_by_project_id

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@project = Project.find(params[:project_id])

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@project = Project.find(params[:project_id])

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rescue ActiveRecord::RecordNotFound

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rescue ActiveRecord::RecordNotFound

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render_404

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render_404

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end

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end

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# Find a project based on params[:project_id]

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# Find a project based on params[:project_id]

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# TODO: some subclasses override this, see about merging their logic

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# TODO: some subclasses override this, see about merging their logic

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def find_optional_project

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def find_optional_project

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@project = Project.find(params[:project_id]) unless params[:project_id].blank?

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@project = Project.find(params[:project_id]) unless params[:project_id].blank?

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allowed = User.current.allowed_to?({:controller => params[:controller], :action => params[:action]}, @project, :global => true)

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allowed = User.current.allowed_to?({:controller => params[:controller], :action => params[:action]}, @project, :global => true)

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allowed ? true : deny_access

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allowed ? true : deny_access

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rescue ActiveRecord::RecordNotFound

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rescue ActiveRecord::RecordNotFound

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render_404

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render_404

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end

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end

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# Finds and sets @project based on @object.project

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# Finds and sets @project based on @object.project

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def find_project_from_association

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def find_project_from_association

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render_404 unless @object.present?

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render_404 unless @object.present?

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@project = @object.project

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@project = @object.project

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end

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end

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def find_model_object

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def find_model_object

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model = self.class.model_object

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model = self.class.model_object

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if model

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if model

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@object = model.find(params[:id])

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@object = model.find(params[:id])

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self.instance_variable_set('@' + controller_name.singularize, @object) if @object

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self.instance_variable_set('@' + controller_name.singularize, @object) if @object

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end

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end

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rescue ActiveRecord::RecordNotFound

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rescue ActiveRecord::RecordNotFound

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render_404

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render_404

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end

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end

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def self.model_object(model)

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def self.model_object(model)

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self.model_object = model

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self.model_object = model

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end

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end

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# Find the issue whose id is the :id parameter

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# Find the issue whose id is the :id parameter

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# Raises a Unauthorized exception if the issue is not visible

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# Raises a Unauthorized exception if the issue is not visible

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def find_issue

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def find_issue

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# Issue.visible.find(...) can not be used to redirect user to the login form

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# Issue.visible.find(...) can not be used to redirect user to the login form

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# if the issue actually exists but requires authentication

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# if the issue actually exists but requires authentication

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@issue = Issue.find(params[:id])

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@issue = Issue.find(params[:id])

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raise Unauthorized unless @issue.visible?

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raise Unauthorized unless @issue.visible?

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@project = @issue.project

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@project = @issue.project

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rescue ActiveRecord::RecordNotFound

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rescue ActiveRecord::RecordNotFound

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render_404

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render_404

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end

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end

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# Find issues with a single :id param or :ids array param

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# Find issues with a single :id param or :ids array param

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# Raises a Unauthorized exception if one of the issues is not visible

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# Raises a Unauthorized exception if one of the issues is not visible

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def find_issues

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def find_issues

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@issues = Issue.where(:id => (params[:id] || params[:ids])).preload(:project, :status, :tracker, :priority, :author, :assigned_to, :relations_to).to_a

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@issues = Issue.where(:id => (params[:id] || params[:ids])).preload(:project, :status, :tracker, :priority, :author, :assigned_to, :relations_to).to_a

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raise ActiveRecord::RecordNotFound if @issues.empty?

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raise ActiveRecord::RecordNotFound if @issues.empty?

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raise Unauthorized unless @issues.all?(&:visible?)

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raise Unauthorized unless @issues.all?(&:visible?)

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@projects = @issues.collect(&:project).compact.uniq

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@projects = @issues.collect(&:project).compact.uniq

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@project = @projects.first if @projects.size == 1

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@project = @projects.first if @projects.size == 1

338

rescue ActiveRecord::RecordNotFound

339

rescue ActiveRecord::RecordNotFound

339

render_404

340

render_404

340

end

341

end

341

342

def find_attachments

343

def find_attachments

343

if (attachments = params[:attachments]).present?

344

if (attachments = params[:attachments]).present?

344

att = attachments.values.collect do |attachment|

345

att = attachments.values.collect do |attachment|

345

Attachment.find_by_token( attachment[:token] ) if attachment[:token].present?

346

Attachment.find_by_token( attachment[:token] ) if attachment[:token].present?

346

end

347

end

347

att.compact!

348

att.compact!

348

end

349

end

349

@attachments = att || []

350

@attachments = att || []

350

end

351

end

351

352

# make sure that the user is a member of the project (or admin) if project is private

353

# make sure that the user is a member of the project (or admin) if project is private

353

# used as a before_filter for actions that do not require any particular permission on the project

354

# used as a before_filter for actions that do not require any particular permission on the project

354

def check_project_privacy

355

def check_project_privacy

355

if @project && !@project.archived?

356

if @project && !@project.archived?

356

if @project.visible?

357

if @project.visible?

357

true

358

true

358

else

359

else

359

deny_access

360

deny_access

360

end

361

end

361

else

362

else

362

@project = nil

363

@project = nil

363

render_404

364

render_404

364

false

365

false

365

end

366

end

366

end

367

end

367

368

def back_url

369

def back_url

369

url = params[:back_url]

370

url = params[:back_url]

370

if url.nil? && referer = request.env['HTTP_REFERER']

371

if url.nil? && referer = request.env['HTTP_REFERER']

371

url = CGI.unescape(referer.to_s)

372

url = CGI.unescape(referer.to_s)

372

end

373

end

373

url

374

url

374

end

375

end

375

376

def redirect_back_or_default(default)

377

def redirect_back_or_default(default)

377

back_url = params[:back_url].to_s

378

back_url = params[:back_url].to_s

378

if back_url.present?

379

if back_url.present?

379

begin

380

begin

380

uri = URI.parse(back_url)

381

uri = URI.parse(back_url)

381

# do not redirect user to another host or to the login or register page

382

# do not redirect user to another host or to the login or register page

382

if ((uri.relative? && back_url.match(%r{\A/(\w.*)?\z})) || (uri.host == request.host)) && !uri.path.match(%r{/(login|account/register)})

383

if ((uri.relative? && back_url.match(%r{\A/(\w.*)?\z})) || (uri.host == request.host)) && !uri.path.match(%r{/(login|account/register)})

383

redirect_to(back_url)

384

redirect_to(back_url)

384

return

385

return

385

end

386

end

386

rescue URI::InvalidURIError

387

rescue URI::InvalidURIError

387

logger.warn("Could not redirect to invalid URL #{back_url}")

388

logger.warn("Could not redirect to invalid URL #{back_url}")

388

# redirect to default

389

# redirect to default

389

end

390

end

390

end

391

end

391

redirect_to default

392

redirect_to default

392

false

393

false

393

end

394

end

394

395

# Redirects to the request referer if present, redirects to args or call block otherwise.

396

# Redirects to the request referer if present, redirects to args or call block otherwise.

396

def redirect_to_referer_or(*args, &block)

397

def redirect_to_referer_or(*args, &block)

397

redirect_to :back

398

redirect_to :back

398

rescue ::ActionController::RedirectBackError

399

rescue ::ActionController::RedirectBackError

399

if args.any?

400

if args.any?

400

redirect_to *args

401

redirect_to *args

401

elsif block_given?

402

elsif block_given?

402

block.call

403

block.call

403

else

404

else

404

raise "#redirect_to_referer_or takes arguments or a block"

405

raise "#redirect_to_referer_or takes arguments or a block"

405

end

406

end

406

end

407

end

407

408

def render_403(options={})

409

def render_403(options={})

409

@project = nil

410

@project = nil

410

render_error({:message => :notice_not_authorized, :status => 403}.merge(options))

411

render_error({:message => :notice_not_authorized, :status => 403}.merge(options))

411

return false

412

return false

412

end

413

end

413

414

def render_404(options={})

415

def render_404(options={})

415

render_error({:message => :notice_file_not_found, :status => 404}.merge(options))

416

render_error({:message => :notice_file_not_found, :status => 404}.merge(options))

416

return false

417

return false

417

end

418

end

418

419

# Renders an error response

420

# Renders an error response

420

def render_error(arg)

421

def render_error(arg)

421

arg = {:message => arg} unless arg.is_a?(Hash)

422

arg = {:message => arg} unless arg.is_a?(Hash)

422

423

@message = arg[:message]

424

@message = arg[:message]

424

@message = l(@message) if @message.is_a?(Symbol)

425

@message = l(@message) if @message.is_a?(Symbol)

425

@status = arg[:status] || 500

426

@status = arg[:status] || 500

426

427

respond_to do |format|

428

respond_to do |format|

428

format.html {

429

format.html {

429

render :template => 'common/error', :layout => use_layout, :status => @status

430

render :template => 'common/error', :layout => use_layout, :status => @status

430

}

431

}

431

format.any { head @status }

432

format.any { head @status }

432

end

433

end

433

end

434

end

434

435

# Handler for ActionView::MissingTemplate exception

436

# Handler for ActionView::MissingTemplate exception

436

def missing_template

437

def missing_template

437

logger.warn "Missing template, responding with 404"

438

logger.warn "Missing template, responding with 404"

438

@project = nil

439

@project = nil

439

render_404

440

render_404

440

end

441

end

441

442

# Filter for actions that provide an API response

443

# Filter for actions that provide an API response

443

# but have no HTML representation for non admin users

444

# but have no HTML representation for non admin users

444

def require_admin_or_api_request

445

def require_admin_or_api_request

445

return true if api_request?

446

return true if api_request?

446

if User.current.admin?

447

if User.current.admin?

447

true

448

true

448

elsif User.current.logged?

449

elsif User.current.logged?

449

render_error(:status => 406)

450

render_error(:status => 406)

450

else

451

else

451

deny_access

452

deny_access

452

end

453

end

453

end

454

end

454

455

# Picks which layout to use based on the request

456

# Picks which layout to use based on the request

456

#

457

#

457

# @return [boolean, string] name of the layout to use or false for no layout

458

# @return [boolean, string] name of the layout to use or false for no layout

458

def use_layout

459

def use_layout

459

request.xhr? ? false : 'base'

460

request.xhr? ? false : 'base'

460

end

461

end

461

462

def render_feed(items, options={})

463

def render_feed(items, options={})

463

@items = items || []

464

@items = items || []

464

@items.sort! {|x,y| y.event_datetime <=> x.event_datetime }

465

@items.sort! {|x,y| y.event_datetime <=> x.event_datetime }

465

@items = @items.slice(0, Setting.feeds_limit.to_i)

466

@items = @items.slice(0, Setting.feeds_limit.to_i)

466

@title = options[:title] || Setting.app_title

467

@title = options[:title] || Setting.app_title

467

render :template => "common/feed", :formats => [:atom], :layout => false,

468

render :template => "common/feed", :formats => [:atom], :layout => false,

468

:content_type => 'application/atom+xml'

469

:content_type => 'application/atom+xml'

469

end

470

end

470

471

def self.accept_rss_auth(*actions)

472

def self.accept_rss_auth(*actions)

472

if actions.any?

473

if actions.any?

473

self.accept_rss_auth_actions = actions

474

self.accept_rss_auth_actions = actions

474

else

475

else

475

self.accept_rss_auth_actions || []

476

self.accept_rss_auth_actions || []

476

end

477

end

477

end

478

end

478

479

def accept_rss_auth?(action=action_name)

480

def accept_rss_auth?(action=action_name)

480

self.class.accept_rss_auth.include?(action.to_sym)

481

self.class.accept_rss_auth.include?(action.to_sym)

481

end

482

end

482

483

def self.accept_api_auth(*actions)

484

def self.accept_api_auth(*actions)

484

if actions.any?

485

if actions.any?

485

self.accept_api_auth_actions = actions

486

self.accept_api_auth_actions = actions

486

else

487

else

487

self.accept_api_auth_actions || []

488

self.accept_api_auth_actions || []

488

end

489

end

489

end

490

end

490

491

def accept_api_auth?(action=action_name)

492

def accept_api_auth?(action=action_name)

492

self.class.accept_api_auth.include?(action.to_sym)

493

self.class.accept_api_auth.include?(action.to_sym)

493

end

494

end

494

495

# Returns the number of objects that should be displayed

496

# Returns the number of objects that should be displayed

496

# on the paginated list

497

# on the paginated list

497

def per_page_option

498

def per_page_option

498

per_page = nil

499

per_page = nil

499

if params[:per_page] && Setting.per_page_options_array.include?(params[:per_page].to_s.to_i)

500

if params[:per_page] && Setting.per_page_options_array.include?(params[:per_page].to_s.to_i)

500

per_page = params[:per_page].to_s.to_i

501

per_page = params[:per_page].to_s.to_i

501

session[:per_page] = per_page

502

session[:per_page] = per_page

502

elsif session[:per_page]

503

elsif session[:per_page]

503

per_page = session[:per_page]

504

per_page = session[:per_page]

504

else

505

else

505

per_page = Setting.per_page_options_array.first || 25

506

per_page = Setting.per_page_options_array.first || 25

506

end

507

end

507

per_page

508

per_page

508

end

509

end

509

510

# Returns offset and limit used to retrieve objects

511

# Returns offset and limit used to retrieve objects

511

# for an API response based on offset, limit and page parameters

512

# for an API response based on offset, limit and page parameters

512

def api_offset_and_limit(options=params)

513

def api_offset_and_limit(options=params)

513

if options[:offset].present?

514

if options[:offset].present?

514

offset = options[:offset].to_i

515

offset = options[:offset].to_i

515

if offset < 0

516

if offset < 0

516

offset = 0

517

offset = 0

517

end

518

end

518

end

519

end

519

limit = options[:limit].to_i

520

limit = options[:limit].to_i

520

if limit < 1

521

if limit < 1

521

limit = 25

522

limit = 25

522

elsif limit > 100

523

elsif limit > 100

523

limit = 100

524

limit = 100

524

end

525

end

525

if offset.nil? && options[:page].present?

526

if offset.nil? && options[:page].present?

526

offset = (options[:page].to_i - 1) * limit

527

offset = (options[:page].to_i - 1) * limit

527

offset = 0 if offset < 0

528

offset = 0 if offset < 0

528

end

529

end

529

offset ||= 0

530

offset ||= 0

530

531

[offset, limit]

532

[offset, limit]

532

end

533

end

533

534

# qvalues http header parser

535

# qvalues http header parser

535

# code taken from webrick

536

# code taken from webrick

536

def parse_qvalues(value)

537

def parse_qvalues(value)

537

tmp = []

538

tmp = []

538

if value

539

if value

539

parts = value.split(/,\s*/)

540

parts = value.split(/,\s*/)

540

parts.each {|part|

541

parts.each {|part|

541

if m = %r{^([^\s,]+?)(?:;\s*q=(\d+(?:\.\d+)?))?$}.match(part)

542

if m = %r{^([^\s,]+?)(?:;\s*q=(\d+(?:\.\d+)?))?$}.match(part)

542

val = m[1]

543

val = m[1]

543

q = (m[2] or 1).to_f

544

q = (m[2] or 1).to_f

544

tmp.push([val, q])

545

tmp.push([val, q])

545

end

546

end

546

}

547

}

547

tmp = tmp.sort_by{|val, q| -q}

548

tmp = tmp.sort_by{|val, q| -q}

548

tmp.collect!{|val, q| val}

549

tmp.collect!{|val, q| val}

549

end

550

end

550

return tmp

551

return tmp

551

rescue

552

rescue

552

nil

553

nil

553

end

554

end

554

555

# Returns a string that can be used as filename value in Content-Disposition header

556

# Returns a string that can be used as filename value in Content-Disposition header

556

def filename_for_content_disposition(name)

557

def filename_for_content_disposition(name)

557

request.env['HTTP_USER_AGENT'] =~ %r{MSIE} ? ERB::Util.url_encode(name) : name

558

request.env['HTTP_USER_AGENT'] =~ %r{MSIE} ? ERB::Util.url_encode(name) : name

558

end

559

end

559

560

def api_request?

561

def api_request?

561

%w(xml json).include? params[:format]

562

%w(xml json).include? params[:format]

562

end

563

end

563

564

# Returns the API key present in the request

565

# Returns the API key present in the request

565

def api_key_from_request

566

def api_key_from_request

566

if params[:key].present?

567

if params[:key].present?

567

params[:key].to_s

568

params[:key].to_s

568

elsif request.headers["X-Redmine-API-Key"].present?

569

elsif request.headers["X-Redmine-API-Key"].present?

569

request.headers["X-Redmine-API-Key"].to_s

570

request.headers["X-Redmine-API-Key"].to_s

570

end

571

end

571

end

572

end

572

573

# Returns the API 'switch user' value if present

574

# Returns the API 'switch user' value if present

574

def api_switch_user_from_request

575

def api_switch_user_from_request

575

request.headers["X-Redmine-Switch-User"].to_s.presence

576

request.headers["X-Redmine-Switch-User"].to_s.presence

576

end

577

end

577

578

# Renders a warning flash if obj has unsaved attachments

579

# Renders a warning flash if obj has unsaved attachments

579

def render_attachment_warning_if_needed(obj)

580

def render_attachment_warning_if_needed(obj)

580

flash[:warning] = l(:warning_attachments_not_saved, obj.unsaved_attachments.size) if obj.unsaved_attachments.present?

581

flash[:warning] = l(:warning_attachments_not_saved, obj.unsaved_attachments.size) if obj.unsaved_attachments.present?

581

end

582

end

582

583

# Rescues an invalid query statement. Just in case...

584

# Rescues an invalid query statement. Just in case...

584

def query_statement_invalid(exception)

585

def query_statement_invalid(exception)

585

logger.error "Query::StatementInvalid: #{exception.message}" if logger

586

logger.error "Query::StatementInvalid: #{exception.message}" if logger

586

session.delete(:query)

587

session.delete(:query)

587

sort_clear if respond_to?(:sort_clear)

588

sort_clear if respond_to?(:sort_clear)

588

render_error "An error occurred while executing the query and has been logged. Please report this error to your Redmine administrator."

589

render_error "An error occurred while executing the query and has been logged. Please report this error to your Redmine administrator."

589

end

590

end

590

591

# Renders a 200 response for successfull updates or deletions via the API

592

# Renders a 200 response for successfull updates or deletions via the API

592

def render_api_ok

593

def render_api_ok

593

render_api_head :ok

594

render_api_head :ok

594

end

595

end

595

596

# Renders a head API response

597

# Renders a head API response

597

def render_api_head(status)

598

def render_api_head(status)

598

# #head would return a response body with one space

599

# #head would return a response body with one space

599

render :text => '', :status => status, :layout => nil

600

render :text => '', :status => status, :layout => nil

600

end

601

end

601

602

# Renders API response on validation failure

603

# Renders API response on validation failure

603

def render_validation_errors(objects)

604

def render_validation_errors(objects)

604

if objects.is_a?(Array)

605

if objects.is_a?(Array)

605

@error_messages = objects.map {|object| object.errors.full_messages}.flatten

606

@error_messages = objects.map {|object| object.errors.full_messages}.flatten

606

else

607

else

607

@error_messages = objects.errors.full_messages

608

@error_messages = objects.errors.full_messages

608

end

609

end

609

render :template => 'common/error_messages.api', :status => :unprocessable_entity, :layout => nil

610

render :template => 'common/error_messages.api', :status => :unprocessable_entity, :layout => nil

610

end

611

end

611

612

# Overrides #_include_layout? so that #render with no arguments

613

# Overrides #_include_layout? so that #render with no arguments

613

# doesn't use the layout for api requests

614

# doesn't use the layout for api requests

614

def _include_layout?(*args)

615

def _include_layout?(*args)

615

api_request? ? false : super

616

api_request? ? false : super

616

end

617

end

617

end

618

end

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

             # Redmine - project management software
             # Copyright (C) 2006-2014  Jean-Philippe Lang
             #
             # This program is free software; you can redistribute it and/or
             # modify it under the terms of the GNU General Public License
             # as published by the Free Software Foundation; either version 2
             # of the License, or (at your option) any later version.
             #
             # This program is distributed in the hope that it will be useful,
             # but WITHOUT ANY WARRANTY; without even the implied warranty of
             # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
             # GNU General Public License for more details.
             #
             # You should have received a copy of the GNU General Public License
             # along with this program; if not, write to the Free Software
             # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
             require 'uri'
             require 'cgi'
             class Unauthorized < Exception; end
             class ApplicationController < ActionController::Base
               include Redmine::I18n
               include Redmine::Pagination
               include RoutesHelper
               helper :routes
               class_attribute :accept_api_auth_actions
               class_attribute :accept_rss_auth_actions
               class_attribute :model_object
               layout 'base'
               protect_from_forgery
               def verify_authenticity_token
                 unless api_request?
                   super
                 end
               end
               def handle_unverified_request
                 unless api_request?
                   super
                   cookies.delete(autologin_cookie_name)
+                  self.logged_user = nil
                   render_error :status => 422, :message => "Invalid form authenticity token."
                 end
               end
               before_filter :session_expiration, :user_setup, :check_if_login_required, :check_password_change, :set_localization
               rescue_from ::Unauthorized, :with => :deny_access
               rescue_from ::ActionView::MissingTemplate, :with => :missing_template
               include Redmine::Search::Controller
               include Redmine::MenuManager::MenuController
               helper Redmine::MenuManager::MenuHelper
               def session_expiration
                 if session[:user_id]
                   if session_expired? && !try_to_autologin
                     reset_session
                     flash[:error] = l(:error_session_expired)
                     redirect_to signin_url
                   else
                     session[:atime] = Time.now.utc.to_i
                   end
                 end
               end
               def session_expired?
                 if Setting.session_lifetime?
                   unless session[:ctime] && (Time.now.utc.to_i - session[:ctime].to_i <= Setting.session_lifetime.to_i * 60)
                     return true
                   end
                 end
                 if Setting.session_timeout?
                   unless session[:atime] && (Time.now.utc.to_i - session[:atime].to_i <= Setting.session_timeout.to_i * 60)
                     return true
                   end
                 end
                 false
               end
               def start_user_session(user)
                 session[:user_id] = user.id
                 session[:ctime] = Time.now.utc.to_i
                 session[:atime] = Time.now.utc.to_i
                 if user.must_change_password?
                   session[:pwd] = '1'
                 end
               end
               def user_setup
                 # Check the settings cache for each request
                 Setting.check_cache
                 # Find the current user
                 User.current = find_current_user
                 logger.info("  Current user: " + (User.current.logged? ? "#{User.current.login} (id=#{User.current.id})" : "anonymous")) if logger
               end
               # Returns the current user or nil if no user is logged in
               # and starts a session if needed
               def find_current_user
                 user = nil
                 unless api_request?
                   if session[:user_id]
                     # existing session
                     user = (User.active.find(session[:user_id]) rescue nil)
                   elsif autologin_user = try_to_autologin
                     user = autologin_user
                   elsif params[:format] == 'atom' && params[:key] && request.get? && accept_rss_auth?
                     # RSS key authentication does not start a session
                     user = User.find_by_rss_key(params[:key])
                   end
                 end
                 if user.nil? && Setting.rest_api_enabled? && accept_api_auth?
                   if (key = api_key_from_request)
                     # Use API key
                     user = User.find_by_api_key(key)
                   else
                     # HTTP Basic, either username/password or API key/random
                     authenticate_with_http_basic do |username, password|
                       user = User.try_to_login(username, password) || User.find_by_api_key(username)
                     end
                     if user && user.must_change_password?
                       render_error :message => 'You must change your password', :status => 403
                       return
                     end
                   end
                   # Switch user if requested by an admin user
                   if user && user.admin? && (username = api_switch_user_from_request)
                     su = User.find_by_login(username)
                     if su && su.active?
                       logger.info("  User switched by: #{user.login} (id=#{user.id})") if logger
                       user = su
                     else
                       render_error :message => 'Invalid X-Redmine-Switch-User header', :status => 412
                     end
                   end
                 end
                 user
               end
               def autologin_cookie_name
                 Redmine::Configuration['autologin_cookie_name'].presence || 'autologin'
               end
               def try_to_autologin
                 if cookies[autologin_cookie_name] && Setting.autologin?
                   # auto-login feature starts a new session
                   user = User.try_to_autologin(cookies[autologin_cookie_name])
                   if user
                     reset_session
                     start_user_session(user)
                   end
                   user
                 end
               end
               # Sets the logged in user
               def logged_user=(user)
                 reset_session
                 if user && user.is_a?(User)
                   User.current = user
                   start_user_session(user)
                 else
                   User.current = User.anonymous
                 end
               end
               # Logs out current user
               def logout_user
                 if User.current.logged?
                   cookies.delete(autologin_cookie_name)
                   Token.delete_all(["user_id = ? AND action = ?", User.current.id, 'autologin'])
                   self.logged_user = nil
                 end
               end
               # check if login is globally required to access the application
               def check_if_login_required
                 # no check needed if user is already logged in
                 return true if User.current.logged?
                 require_login if Setting.login_required?
               end
               def check_password_change
                 if session[:pwd]
                   if User.current.must_change_password?
                     redirect_to my_password_path
                   else
                     session.delete(:pwd)
                   end
                 end
               end
               def set_localization
                 lang = nil
                 if User.current.logged?
                   lang = find_language(User.current.language)
                 end
                 if lang.nil? && request.env['HTTP_ACCEPT_LANGUAGE']
                   accept_lang = parse_qvalues(request.env['HTTP_ACCEPT_LANGUAGE']).first
                   if !accept_lang.blank?
                     accept_lang = accept_lang.downcase
                     lang = find_language(accept_lang) || find_language(accept_lang.split('-').first)
                   end
                 end
                 lang ||= Setting.default_language
                 set_language_if_valid(lang)
               end
               def require_login
                 if !User.current.logged?
                   # Extract only the basic url parameters on non-GET requests
                   if request.get?
                     url = url_for(params)
                   else
                     url = url_for(:controller => params[:controller], :action => params[:action], :id => params[:id], :project_id => params[:project_id])
                   end
                   respond_to do |format|
                     format.html {
                       if request.xhr?
                         head :unauthorized
                       else
                         redirect_to :controller => "account", :action => "login", :back_url => url
                       end
                     }
                     format.atom { redirect_to :controller => "account", :action => "login", :back_url => url }
                     format.xml  { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }
                     format.js   { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }
                     format.json { head :unauthorized, 'WWW-Authenticate' => 'Basic realm="Redmine API"' }
                   end
                   return false
                 end
                 true
               end
               def require_admin
                 return unless require_login
                 if !User.current.admin?
                   render_403
                   return false
                 end
                 true
               end
               def deny_access
                 User.current.logged? ? render_403 : require_login
               end
               # Authorize the user for the requested action
               def authorize(ctrl = params[:controller], action = params[:action], global = false)
                 allowed = User.current.allowed_to?({:controller => ctrl, :action => action}, @project || @projects, :global => global)
                 if allowed
                   true
                 else
                   if @project && @project.archived?
                     render_403 :message => :notice_not_authorized_archived_project
                   else
                     deny_access
                   end
                 end
               end
               # Authorize the user for the requested action outside a project
               def authorize_global(ctrl = params[:controller], action = params[:action], global = true)
                 authorize(ctrl, action, global)
               end
               # Find project of id params[:id]
               def find_project
                 @project = Project.find(params[:id])
               rescue ActiveRecord::RecordNotFound
                 render_404
               end
               # Find project of id params[:project_id]
               def find_project_by_project_id
                 @project = Project.find(params[:project_id])
               rescue ActiveRecord::RecordNotFound
                 render_404
               end
               # Find a project based on params[:project_id]
               # TODO: some subclasses override this, see about merging their logic
               def find_optional_project
                 @project = Project.find(params[:project_id]) unless params[:project_id].blank?
                 allowed = User.current.allowed_to?({:controller => params[:controller], :action => params[:action]}, @project, :global => true)
                 allowed ? true : deny_access
               rescue ActiveRecord::RecordNotFound
                 render_404
               end
               # Finds and sets @project based on @object.project
               def find_project_from_association
                 render_404 unless @object.present?
                 @project = @object.project
               end
               def find_model_object
                 model = self.class.model_object
                 if model
                   @object = model.find(params[:id])
                   self.instance_variable_set('@' + controller_name.singularize, @object) if @object
                 end
               rescue ActiveRecord::RecordNotFound
                 render_404
               end
               def self.model_object(model)
                 self.model_object = model
               end
               # Find the issue whose id is the :id parameter
               # Raises a Unauthorized exception if the issue is not visible
               def find_issue
                 # Issue.visible.find(...) can not be used to redirect user to the login form
                 # if the issue actually exists but requires authentication
                 @issue = Issue.find(params[:id])
                 raise Unauthorized unless @issue.visible?
                 @project = @issue.project
               rescue ActiveRecord::RecordNotFound
                 render_404
               end
               # Find issues with a single :id param or :ids array param
               # Raises a Unauthorized exception if one of the issues is not visible
               def find_issues
                 @issues = Issue.where(:id => (params[:id] || params[:ids])).preload(:project, :status, :tracker, :priority, :author, :assigned_to, :relations_to).to_a
                 raise ActiveRecord::RecordNotFound if @issues.empty?
                 raise Unauthorized unless @issues.all?(&:visible?)
                 @projects = @issues.collect(&:project).compact.uniq
                 @project = @projects.first if @projects.size == 1
               rescue ActiveRecord::RecordNotFound
                 render_404
               end
               def find_attachments
                 if (attachments = params[:attachments]).present?
                   att = attachments.values.collect do |attachment|
                     Attachment.find_by_token( attachment[:token] ) if attachment[:token].present?
                   end
                   att.compact!
                 end
                 @attachments = att || []
               end
               # make sure that the user is a member of the project (or admin) if project is private
               # used as a before_filter for actions that do not require any particular permission on the project
               def check_project_privacy
                 if @project && !@project.archived?
                   if @project.visible?
                     true
                   else
                     deny_access
                   end
                 else
                   @project = nil
                   render_404
                   false
                 end
               end
               def back_url
                 url = params[:back_url]
                 if url.nil? && referer = request.env['HTTP_REFERER']
                   url = CGI.unescape(referer.to_s)
                 end
                 url
               end
               def redirect_back_or_default(default)
                 back_url = params[:back_url].to_s
                 if back_url.present?
                   begin
                     uri = URI.parse(back_url)
                     # do not redirect user to another host or to the login or register page
                     if ((uri.relative? && back_url.match(%r{\A/(\w.*)?\z})) || (uri.host == request.host)) && !uri.path.match(%r{/(login|account/register)})
                       redirect_to(back_url)
                       return
                     end
                   rescue URI::InvalidURIError
                     logger.warn("Could not redirect to invalid URL #{back_url}")
                     # redirect to default
                   end
                 end
                 redirect_to default
                 false
               end
               # Redirects to the request referer if present, redirects to args or call block otherwise.
               def redirect_to_referer_or(*args, &block)
                 redirect_to :back
               rescue ::ActionController::RedirectBackError
                 if args.any?
                   redirect_to *args
                 elsif block_given?
                   block.call
                 else
                   raise "#redirect_to_referer_or takes arguments or a block"
                 end
               end
               def render_403(options={})
                 @project = nil
                 render_error({:message => :notice_not_authorized, :status => 403}.merge(options))
                 return false
               end
               def render_404(options={})
                 render_error({:message => :notice_file_not_found, :status => 404}.merge(options))
                 return false
               end
               # Renders an error response
               def render_error(arg)
                 arg = {:message => arg} unless arg.is_a?(Hash)
                 @message = arg[:message]
                 @message = l(@message) if @message.is_a?(Symbol)
                 @status = arg[:status] || 500
                 respond_to do |format|
                   format.html {
                     render :template => 'common/error', :layout => use_layout, :status => @status
                   }
                   format.any { head @status }
                 end
               end
               # Handler for ActionView::MissingTemplate exception
               def missing_template
                 logger.warn "Missing template, responding with 404"
                 @project = nil
                 render_404
               end
               # Filter for actions that provide an API response
               # but have no HTML representation for non admin users
               def require_admin_or_api_request
                 return true if api_request?
                 if User.current.admin?
                   true
                 elsif User.current.logged?
                   render_error(:status => 406)
                 else
                   deny_access
                 end
               end
               # Picks which layout to use based on the request
               #
               # @return [boolean, string] name of the layout to use or false for no layout
               def use_layout
                 request.xhr? ? false : 'base'
               end
               def render_feed(items, options={})
                 @items = items || []
                 @items.sort! {|x,y| y.event_datetime <=> x.event_datetime }
                 @items = @items.slice(0, Setting.feeds_limit.to_i)
                 @title = options[:title] || Setting.app_title
                 render :template => "common/feed", :formats => [:atom], :layout => false,
                        :content_type => 'application/atom+xml'
               end
               def self.accept_rss_auth(*actions)
                 if actions.any?
                   self.accept_rss_auth_actions = actions
                 else
                   self.accept_rss_auth_actions || []
                 end
               end
               def accept_rss_auth?(action=action_name)
                 self.class.accept_rss_auth.include?(action.to_sym)
               end
               def self.accept_api_auth(*actions)
                 if actions.any?
                   self.accept_api_auth_actions = actions
                 else
                   self.accept_api_auth_actions || []
                 end
               end
               def accept_api_auth?(action=action_name)
                 self.class.accept_api_auth.include?(action.to_sym)
               end
               # Returns the number of objects that should be displayed
               # on the paginated list
               def per_page_option
                 per_page = nil
                 if params[:per_page] && Setting.per_page_options_array.include?(params[:per_page].to_s.to_i)
                   per_page = params[:per_page].to_s.to_i
                   session[:per_page] = per_page
                 elsif session[:per_page]
                   per_page = session[:per_page]
                 else
                   per_page = Setting.per_page_options_array.first || 25
                 end
                 per_page
               end
               # Returns offset and limit used to retrieve objects
               # for an API response based on offset, limit and page parameters
               def api_offset_and_limit(options=params)
                 if options[:offset].present?
                   offset = options[:offset].to_i
                   if offset < 0
                     offset = 0
                   end
                 end
                 limit = options[:limit].to_i
                 if limit < 1
                   limit = 25
                 elsif limit > 100
                   limit = 100
                 end
                 if offset.nil? && options[:page].present?
                   offset = (options[:page].to_i - 1) * limit
                   offset = 0 if offset < 0
                 end
                 offset ||= 0
                 [offset, limit]
               end
               # qvalues http header parser
               # code taken from webrick
               def parse_qvalues(value)
                 tmp = []
                 if value
                   parts = value.split(/,\s*/)
                   parts.each {|part|
                     if m = %r{^([^\s,]+?)(?:;\s*q=(\d+(?:\.\d+)?))?$}.match(part)
                       val = m[1]
                       q = (m[2] or 1).to_f
                       tmp.push([val, q])
                     end
                   }
                   tmp = tmp.sort_by{|val, q| -q}
                   tmp.collect!{|val, q| val}
                 end
                 return tmp
               rescue
                 nil
               end
               # Returns a string that can be used as filename value in Content-Disposition header
               def filename_for_content_disposition(name)
                 request.env['HTTP_USER_AGENT'] =~ %r{MSIE} ? ERB::Util.url_encode(name) : name
               end
               def api_request?
                 %w(xml json).include? params[:format]
               end
               # Returns the API key present in the request
               def api_key_from_request
                 if params[:key].present?
                   params[:key].to_s
                 elsif request.headers["X-Redmine-API-Key"].present?
                   request.headers["X-Redmine-API-Key"].to_s
                 end
               end
               # Returns the API 'switch user' value if present
               def api_switch_user_from_request
                 request.headers["X-Redmine-Switch-User"].to_s.presence
               end
               # Renders a warning flash if obj has unsaved attachments
               def render_attachment_warning_if_needed(obj)
                 flash[:warning] = l(:warning_attachments_not_saved, obj.unsaved_attachments.size) if obj.unsaved_attachments.present?
               end
               # Rescues an invalid query statement. Just in case...
               def query_statement_invalid(exception)
                 logger.error "Query::StatementInvalid: #{exception.message}" if logger
                 session.delete(:query)
                 sort_clear if respond_to?(:sort_clear)
                 render_error "An error occurred while executing the query and has been logged. Please report this error to your Redmine administrator."
               end
               # Renders a 200 response for successfull updates or deletions via the API
               def render_api_ok
                 render_api_head :ok
               end
               # Renders a head API response
               def render_api_head(status)
                 # #head would return a response body with one space
                 render :text => '', :status => status, :layout => nil
               end
               # Renders API response on validation failure
               def render_validation_errors(objects)
                 if objects.is_a?(Array)
                   @error_messages = objects.map {|object| object.errors.full_messages}.flatten
                 else
                   @error_messages = objects.errors.full_messages
                 end
                 render :template => 'common/error_messages.api', :status => :unprocessable_entity, :layout => nil
               end
               # Overrides #_include_layout? so that #render with no arguments
               # doesn't use the layout for api requests
               def _include_layout?(*args)
                 api_request? ? false : super
               end
             end