comparison app/controllers/.svn/text-base/application_controller.rb.svn-base @ 511:107d36338b70 live

Merge from branch "cannam"

-# redMine - project management software
-# Copyright (C) 2006-2007  Jean-Philippe Lang
+# Redmine - project management software
+# Copyright (C) 2006-2011  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
 
   layout 'base'
-  exempt_from_layout 'builder'
-  
+  exempt_from_layout 'builder', 'rsb'
+
   # Remove broken cookie after upgrade from 0.8.x (#4292)
   # See https://rails.lighthouseapp.com/projects/8994/tickets/3360
   # TODO: remove it when Rails is fixed
   before_filter :delete_broken_cookies
   def delete_broken_cookies
     if cookies['_redmine_session'] && cookies['_redmine_session'] !~ /--/
-      cookies.delete '_redmine_session'    
+      cookies.delete '_redmine_session'
       redirect_to home_path
       return false
     end
   end
-  
+
   before_filter :user_setup, :check_if_login_required, :set_localization
   filter_parameter_logging :password
   protect_from_forgery
-  
+
   rescue_from ActionController::InvalidAuthenticityToken, :with => :invalid_authenticity_token
-  
+  rescue_from ::Unauthorized, :with => :deny_access
+
   include Redmine::Search::Controller
   include Redmine::MenuManager::MenuController
   helper Redmine::MenuManager::MenuHelper
-  
+
   Redmine::Scm::Base.all.each do |scm|
     require_dependency "repository/#{scm.underscore}"
   end
 
   def user_setup
     # Check the settings cache for each request
     Setting.check_cache
     # Find the current user
     User.current = find_current_user
   end
-  
+
   # Returns the current user or nil if no user is logged in
   # and starts a session if needed
   def find_current_user
     if session[:user_id]
       # existing session

     elsif cookies[:autologin] && Setting.autologin?
       # auto-login feature starts a new session
       user = User.try_to_autologin(cookies[:autologin])
       session[:user_id] = user.id if user
       user
-    elsif params[:format] == 'atom' && params[:key] && accept_key_auth_actions.include?(params[:action])
+    elsif params[:format] == 'atom' && params[:key] && request.get? && accept_rss_auth?
       # RSS key authentication does not start a session
       User.find_by_rss_key(params[:key])
-    elsif Setting.rest_api_enabled? && ['xml', 'json'].include?(params[:format])
-      if params[:key].present? && accept_key_auth_actions.include?(params[:action])
+    elsif Setting.rest_api_enabled? && accept_api_auth?
+      if (key = api_key_from_request)
         # Use API key
-        User.find_by_api_key(params[:key])
+        User.find_by_api_key(key)
       else
         # HTTP Basic, either username/password or API key/random
         authenticate_with_http_basic do |username, password|
           User.try_to_login(username, password) || User.find_by_api_key(username)
         end

       session[:user_id] = user.id
     else
       User.current = User.anonymous
     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 
-  
+  end
+
   def set_localization
     lang = nil
     if User.current.logged?
       lang = find_language(User.current.language)
     end

       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)

       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

   end
 
   # Finds and sets @project based on @object.project
   def find_project_from_association
     render_404 unless @object.present?
-    
+
     @project = @object.project
   rescue ActiveRecord::RecordNotFound
     render_404
   end
 

 
   # Filter for bulk issue operations
   def find_issues
     @issues = Issue.find_all_by_id(params[:id] || params[:ids])
     raise ActiveRecord::RecordNotFound if @issues.empty?
+    if @issues.detect {|issue| !issue.visible?}
+      deny_access
+      return
+    end
     @projects = @issues.collect(&:project).compact.uniq
     @project = @projects.first if @projects.size == 1
   rescue ActiveRecord::RecordNotFound
     render_404
   end
-  
+
   # Check if project is unique before bulk operations
   def check_project_uniqueness
     unless @project
       # TODO: let users bulk edit/move/destroy issues from different projects
       render_error 'Can not bulk edit/move/destroy issues from different projects'
       return false
     end
   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.active?
       if @project.is_public? || User.current.member_of?(@project) || User.current.admin?

       rescue URI::InvalidURIError
         # redirect to default
       end
     end
     redirect_to default
-  end
-  
+    false
+  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.atom { head @status }

   #
   # @return [boolean, string] name of the layout to use or false for no layout
   def use_layout
     request.xhr? ? false : 'base'
   end
-  
+
   def invalid_authenticity_token
     if api_request?
       logger.error "Form authenticity token is missing or is invalid. API calls must include a proper Content-type header (text/xml or text/json)."
     end
     render_error "Invalid form authenticity token."
   end
-  
-  def render_feed(items, options={})    
+
+  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.atom.rxml", :layout => false, :content_type => 'application/atom+xml'
   end
   
+  # TODO: remove in Redmine 1.4
   def self.accept_key_auth(*actions)
-    actions = actions.flatten.map(&:to_s)
-    write_inheritable_attribute('accept_key_auth_actions', actions)
+    ActiveSupport::Deprecation.warn "ApplicationController.accept_key_auth is deprecated and will be removed in Redmine 1.4. Use accept_rss_auth (or accept_api_auth) instead."
+    accept_rss_auth(*actions)
+  end
+
+  # TODO: remove in Redmine 1.4
+  def accept_key_auth_actions
+    ActiveSupport::Deprecation.warn "ApplicationController.accept_key_auth_actions is deprecated and will be removed in Redmine 1.4. Use accept_rss_auth (or accept_api_auth) instead."
+    self.class.accept_rss_auth
   end
   
-  def accept_key_auth_actions
-    self.class.read_inheritable_attribute('accept_key_auth_actions') || []
+  def self.accept_rss_auth(*actions)
+    if actions.any?
+      write_inheritable_attribute('accept_rss_auth_actions', actions)
+    else
+      read_inheritable_attribute('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?
+      write_inheritable_attribute('accept_api_auth_actions', actions)
+    else
+      read_inheritable_attribute('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 = 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)

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

   def object_errors_to_json(object)
     object.errors.collect do |attribute, error|
       { attribute => error }
     end.to_json
   end
-  
+
+  # Renders API response on validation failure
+  def render_validation_errors(object)
+    options = { :status => :unprocessable_entity, :layout => false }
+    options.merge!(case params[:format]
+      when 'xml';  { :xml =>  object.errors }
+      when 'json'; { :json => {'errors' => object.errors} } # ActiveResource client compliance
+      else
+        raise "Unknown format #{params[:format]} in #render_validation_errors"
+      end
+    )
+    render options
+  end
+
+  # Overrides #default_template so that the api template
+  # is used automatically if it exists
+  def default_template(action_name = self.action_name)
+    if api_request?
+      begin
+        return self.view_paths.find_template(default_template_name(action_name), 'api')
+      rescue ::ActionView::MissingTemplate
+        # the api template was not found
+        # fallback to the default behaviour
+      end
+    end
+    super
+  end
+
+  # Overrides #pick_layout so that #render with no arguments
+  # doesn't use the layout for api requests
+  def pick_layout(*args)
+    api_request? ? nil : super
+  end
 end