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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 25f4054a3347dd61439f3b7e2e9f65a017f7d77b..004db5f8403665200bcb162f848b9e35c4945f41 100644 (file)
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -3,14 +3,9 @@ class ApplicationController < ActionController::Base
 
   protect_from_forgery
 
 
   protect_from_forgery
 

-  if STATUS == :database_readonly or STATUS == :database_offline
-    after_filter :clear_session
-    wrap_parameters false
-
-    def clear_session
-      session.clear
-    end
+  before_filter :fetch_body

 
 

+  if STATUS == :database_readonly or STATUS == :database_offline

     def self.cache_sweeper(*sweepers)
     end
   end
     def self.cache_sweeper(*sweepers)
     end
   end


@@ -60,6 +55,10 @@ class ApplicationController < ActionController::Base
     end
   end
 
     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 
   ##
   # 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 


@@ -117,6 +116,23 @@ class ApplicationController < ActionController::Base
   def require_allow_write_gpx
     require_capability(:allow_write_gpx)
   end
   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
+  # and return them to the index for the controller this is wrapped from.
+  def require_moderator
+    unless @user.moderator?
+      if request.get?
+        flash[:error] = t('application.require_moderator.not_a_moderator')
+        redirect_to :action => 'index'
+      else
+        render :nothing => true, :status => :forbidden
+      end
+    end
+  end

 
   ##
   # sets up the @user object for use by other methods. this is mostly called
 
   ##
   # sets up the @user object for use by other methods. this is mostly called


@@ -139,7 +155,7 @@ class ApplicationController < ActionController::Base
     # have we identified the user?
     if @user
       # check if the user has been banned
     # have we identified the user?
     if @user
       # check if the user has been banned

-      if not  @user.active_blocks.empty?
+      if @user.blocks.active.exists?

         # NOTE: need slightly more helpful message than this.
         report_error t('application.setup_user_auth.blocked'), :forbidden
       end
         # NOTE: need slightly more helpful message than this.
         report_error t('application.setup_user_auth.blocked'), :forbidden
       end


@@ -167,6 +183,22 @@ class ApplicationController < ActionController::Base
     end 
   end 
 
     end 
   end 
 

+  ##
+  # to be used as a before_filter *after* authorize. this checks that
+  # the user is a moderator and, if not, returns a forbidden error.
+  #
+  # NOTE: this isn't a very good way of doing it - it duplicates logic
+  # from require_moderator - but what we really need to do is a fairly
+  # drastic refactoring based on :format and respond_to? but not a 
+  # good idea to do that in this branch.
+  def authorize_moderator(errormessage="Access restricted to moderators") 
+    # check user is a moderator
+    unless @user.moderator?
+      render :text => errormessage, :status => :forbidden
+      return false
+    end 
+  end 
+

   def check_database_readable(need_api = false)
     if STATUS == :database_offline or (need_api and STATUS == :api_offline)
       redirect_to :controller => 'site', :action => 'offline'
   def check_database_readable(need_api = false)
     if STATUS == :database_offline or (need_api and STATUS == :api_offline)
       redirect_to :controller => 'site', :action => 'offline'


@@ -181,20 +213,49 @@ class ApplicationController < ActionController::Base
   end
 
   def check_api_readable
   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
       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
 
       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
   def require_public_data
     unless @user.data_public?
       report_error "You must make your edits public to upload new data", :forbidden


@@ -220,46 +281,51 @@ class ApplicationController < ActionController::Base
 
       render :text => result.to_s, :content_type => "text/xml"
     else
 
       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'
 
     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
+
+    I18n.locale = select_locale
+
+    if @user && @user.languages.empty? && !request.user_preferred_languages.empty?
+      @user.languages = request.user_preferred_languages
+      @user.save

     end
 
     end
 

-    if request.compatible_language_from(I18n.available_locales).nil?
+    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(/^(.*)-[^-]+$/)
       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
           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
 
     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
 
   end
 

+  helper_method :select_locale
+

   def api_call_handle_error
     begin
       yield
   def api_call_handle_error
     begin
       yield


@@ -362,15 +428,39 @@ class ApplicationController < ActionController::Base
     !@user.nil?
   end
 
     !@user.nil?
   end
 

+  ##
+  # ensure that there is a "this_user" instance variable
+  def lookup_this_user
+    unless @this_user = User.active.find_by_display_name(params[:display_name])
+      render_unknown_user params[:display_name]
+    end
+  end
+

   ##
   # render a "no such user" page
   def render_unknown_user(name)
     @title = t "user.no_such_user.title"
     @not_found_user = name
 
   ##
   # render a "no such user" page
   def render_unknown_user(name)
     @title = t "user.no_such_user.title"
     @not_found_user = name
 

-    render :template => "user/no_such_user", :status => :not_found
+    respond_to do |format|
+      format.html { render :template => "user/no_such_user", :status => :not_found }
+      format.all { render :nothing => true, :status => :not_found }
+    end

   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
 private 
 
   # extract authorisation credentials from headers, returns user = nil if none