Refactor session persistence code

[rails.git] / app / controllers / application_controller.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 3506b4196fb338537d1c097e7f1c4833c0f1578a..ea5d450a4e0b1cd665ee6e33c23f92b68cfc2207 100644 (file)
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,9 +1,15 @@
 class ApplicationController < ActionController::Base
+  include SessionPersistence
 
   protect_from_forgery
 
   if STATUS == :database_readonly or STATUS == :database_offline
-    session :off
+    after_filter :clear_session
+    wrap_parameters false
+
+    def clear_session
+      session.clear
+    end
 
     def self.cache_sweeper(*sweepers)
     end
@@ -13,7 +19,11 @@ class ApplicationController < ActionController::Base
     if session[:user]
       @user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first
 
-      if @user.status == "suspended"
+      if @user.display_name != cookies["_osm_username"]
+        logger.info "Session user '#{@user.display_name}' does not match cookie user '#{cookies['_osm_username']}'"
+        reset_session
+        @user = nil
+      elsif @user.status == "suspended"
         session.delete(:user)
         session_expires_automatically
 
@@ -30,11 +40,13 @@ class ApplicationController < ActionController::Base
         end
       end
     elsif session[:token]
-      @user = User.authenticate(:token => session[:token])
-      session[:user] = @user.id
+      if @user = User.authenticate(:token => session[:token])
+        session[:user] = @user.id
+      end
     end
   rescue Exception => ex
     logger.info("Exception authorizing user: #{ex.to_s}")
+    reset_session
     @user = nil
   end
 
@@ -106,9 +118,7 @@ class ApplicationController < ActionController::Base
   # is optional.
   def setup_user_auth
     # try and setup using OAuth
-    if Authenticator.new(self, [:token]).allow?
-      @user = current_token.user
-    else
+    if not Authenticator.new(self, [:token]).allow?
       username, passwd = get_auth_data # parse from headers
       # authenticate per-scheme
       if username.nil?
@@ -199,7 +209,7 @@ class ApplicationController < ActionController::Base
        request.headers['X-Error-Format'].downcase == "xml"
       result = OSM::API.new.get_xml_doc
       result.root.name = "osmError"
-      result.root << (XML::Node.new("status") << interpret_status(status))
+      result.root << (XML::Node.new("status") << "#{Rack::Utils.status_code(status)} #{Rack::Utils::HTTP_STATUS_CODES[status]}")
       result.root << (XML::Node.new("message") << message)
 
       render :text => result.to_s, :content_type => "text/xml"
@@ -239,7 +249,7 @@ class ApplicationController < ActionController::Base
       end
     end
 
-    I18n.locale = request.compatible_language_from(I18n.available_locales)
+    I18n.locale = request.compatible_language_from(I18n.available_locales) || I18n.default_locale
 
     response.headers['Content-Language'] = I18n.locale.to_s
   end
@@ -257,7 +267,7 @@ class ApplicationController < ActionController::Base
       report_error message, :bad_request
     rescue OSM::APIError => ex
       report_error ex.message, ex.status
-    rescue ActionController::UnknownAction => ex
+    rescue AbstractController::ActionNotFound => ex
       raise
     rescue Exception => ex
       logger.info("API threw unexpected #{ex.class} exception: #{ex.message}")
@@ -277,7 +287,7 @@ class ApplicationController < ActionController::Base
   ##
   # wrap an api call in a timeout
   def api_call_timeout
-    SystemTimer.timeout_after(API_TIMEOUT) do
+    OSM::Timer.timeout(API_TIMEOUT) do
       yield
     end
   rescue Timeout::Error
@@ -287,11 +297,17 @@ class ApplicationController < ActionController::Base
   ##
   # wrap a web page in a timeout
   def web_timeout
-    SystemTimer.timeout_after(WEB_TIMEOUT) do
+    OSM::Timer.timeout(WEB_TIMEOUT) do
       yield
     end
-  rescue ActionView::TemplateError => ex
-    if ex.original_exception.is_a?(Timeout::Error)
+  rescue ActionView::Template::Error => ex
+    ex = ex.original_exception
+
+    if ex.is_a?(ActiveRecord::StatementInvalid) and ex.message =~ /^Timeout::Error/
+      ex = Timeout::Error.new
+    end
+
+    if ex.is_a?(Timeout::Error)
       render :action => "timeout"
     else
       raise
@@ -358,6 +374,16 @@ private
     return [user, pass] 
   end 
 
+  # used by oauth plugin to get the current user
+  def current_user
+    @user
+  end
+
+  # used by oauth plugin to set the current user
+  def current_user=(user)
+    @user=user
+  end
+
   # override to stop oauth plugin sending errors
   def invalid_oauth_response
   end