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

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 8f9ae29481b8baeee5517deb1c5e80c6670c9eec..004db5f8403665200bcb162f848b9e35c4945f41 100644 (file)
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -3,6 +3,8 @@ class ApplicationController < ActionController::Base
 
   protect_from_forgery
 
+  before_filter :fetch_body
+
   if STATUS == :database_readonly or STATUS == :database_offline
     def self.cache_sweeper(*sweepers)
     end
@@ -53,6 +55,10 @@ class ApplicationController < ActionController::Base
     end
   end
 
+  def require_oauth
+    @oauth = @user.access_token(OAUTH_KEY) if @user and defined? OAUTH_KEY
+  end
+
   ##
   # requires the user to be logged in by the token or HTTP methods, or have an 
   # OAuth token with the right capability. this method is a bit of a pain to call 
@@ -110,6 +116,9 @@ class ApplicationController < ActionController::Base
   def require_allow_write_gpx
     require_capability(:allow_write_gpx)
   end
+  def require_allow_write_notes
+    require_capability(:allow_write_notes)
+  end
 
   ##
   # require that the user is a moderator, or fill out a helpful error message
@@ -204,20 +213,49 @@ class ApplicationController < ActionController::Base
   end
 
   def check_api_readable
-    if STATUS == :database_offline or STATUS == :api_offline
+    if api_status == :offline
       report_error "Database offline for maintenance", :service_unavailable
       return false
     end
   end
 
   def check_api_writable
-    if STATUS == :database_offline or STATUS == :database_readonly or
-       STATUS == :api_offline or STATUS == :api_readonly
+    unless api_status == :online
       report_error "Database offline for maintenance", :service_unavailable
       return false
     end
   end
 
+  def database_status
+    if STATUS == :database_offline
+      :offline
+    elsif STATUS == :database_readonly
+      :readonly
+    else 
+      :online
+    end
+  end
+
+  def api_status
+    status = database_status
+    if status == :online
+      if STATUS == :api_offline
+        status = :offline
+      elsif STATUS == :api_readonly
+        status = :readonly
+      end
+    end
+    return status
+  end
+
+  def gpx_status
+    status = database_status
+    if status == :online
+      status = :offline if STATUS == :gpx_offline
+    end
+    return status
+  end
+
   def require_public_data
     unless @user.data_public?
       report_error "You must make your edits public to upload new data", :forbidden
@@ -243,46 +281,51 @@ class ApplicationController < ActionController::Base
 
       render :text => result.to_s, :content_type => "text/xml"
     else
-      render :text => message, :status => status
+      render :text => message, :status => status, :content_type => "text/plain"
     end
   end
   
   def set_locale
     response.header['Vary'] = 'Accept-Language'
 
-    if @user
-      if !@user.languages.empty?
-        request.user_preferred_languages = @user.languages
-        response.header['Vary'] = '*'
-      elsif !request.user_preferred_languages.empty?
-        @user.languages = request.user_preferred_languages
-        @user.save
-      end
+    if @user && !@user.languages.empty?
+      request.user_preferred_languages = @user.languages
+      response.header['Vary'] = '*'
     end
 
-    if request.compatible_language_from(I18n.available_locales).nil?
+    I18n.locale = select_locale
+
+    if @user && @user.languages.empty? && !request.user_preferred_languages.empty?
+      @user.languages = request.user_preferred_languages
+      @user.save
+    end
+
+    response.headers['Content-Language'] = I18n.locale.to_s
+  end
+
+  def select_locale(locales = I18n.available_locales)
+    if params[:locale]
+      request.user_preferred_languages = [ params[:locale] ]
+    end
+
+    if request.compatible_language_from(locales).nil?
       request.user_preferred_languages = request.user_preferred_languages.collect do |pl|
         pls = [ pl ]
 
         while pl.match(/^(.*)-[^-]+$/)
-          pls.push($1) if I18n.available_locales.include?($1.to_sym)
+          pls.push($1) if locales.include?($1) or locales.include?($1.to_sym)
           pl = $1
         end
 
         pls
       end.flatten
-
-      if @user and not request.compatible_language_from(I18n.available_locales).nil?
-        @user.languages = request.user_preferred_languages
-        @user.save        
-      end
     end
 
-    I18n.locale = request.compatible_language_from(I18n.available_locales) || I18n.default_locale
-
-    response.headers['Content-Language'] = I18n.locale.to_s
+    request.compatible_language_from(locales) || I18n.default_locale
   end
 
+  helper_method :select_locale
+
   def api_call_handle_error
     begin
       yield
@@ -404,7 +447,20 @@ class ApplicationController < ActionController::Base
       format.all { render :nothing => true, :status => :not_found }
     end
   end
-  
+
+  ##
+  # Unfortunately if a PUT or POST request that has a body fails to
+  # read it then Apache will sometimes fail to return the response it
+  # is given to the client properly, instead erroring:
+  #
+  #   https://issues.apache.org/bugzilla/show_bug.cgi?id=44782
+  #
+  # To work round this we call rewind on the body here, which is added
+  # as a filter, to force it to be fetched from Apache into a file.
+  def fetch_body
+    request.body.rewind
+  end
+
 private 
 
   # extract authorisation credentials from headers, returns user = nil if none