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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 96bf915c0f9e3034fe9c0cb2029c1feb8ae1861b..2ee701e9ceeb5c74e42f020d8676b2747a40cdb5 100644 (file)
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,37 +1,24 @@
 class ApplicationController < ActionController::Base
 class ApplicationController < ActionController::Base

+  include SessionPersistence

 
   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
-
-    def self.cache_sweeper(*sweepers)
-    end
-  end
+  before_action :fetch_body

 
   def authorize_web
     if session[:user]
       @user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first
 
 
   def authorize_web
     if session[:user]
       @user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first
 

-      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"
+      if @user.status == "suspended"

         session.delete(:user)
         session_expires_automatically
 
         redirect_to :controller => "user", :action => "suspended"
 
         session.delete(:user)
         session_expires_automatically
 
         redirect_to :controller => "user", :action => "suspended"
 

-        # don't allow access to any auth-requiring part of the site unless
-        # the new CTs have been seen (and accept/decline chosen).
-      elsif !@user.terms_seen and flash[:skip_terms].nil?
-        flash[:notice] = t 'user.terms.you need to accept or decline'
+      # don't allow access to any auth-requiring part of the site unless
+      # the new CTs have been seen (and accept/decline chosen).
+      elsif !@user.terms_seen && flash[:skip_terms].nil?
+        flash[:notice] = t "user.terms.you need to accept or decline"

         if params[:referer]
           redirect_to :controller => "user", :action => "terms", :referer => params[:referer]
         else
         if params[:referer]
           redirect_to :controller => "user", :action => "terms", :referer => params[:referer]
         else


@@ -43,19 +30,29 @@ class ApplicationController < ActionController::Base
         session[:user] = @user.id
       end
     end
         session[:user] = @user.id
       end
     end

-  rescue Exception => ex
-    logger.info("Exception authorizing user: #{ex.to_s}")
+  rescue StandardError => ex
+    logger.info("Exception authorizing user: #{ex}")

     reset_session
     @user = nil
   end
 
   def require_user
     reset_session
     @user = nil
   end
 
   def require_user

-    redirect_to :controller => 'user', :action => 'login', :referer => request.fullpath unless @user
+    unless @user
+      if request.get?
+        redirect_to :controller => "user", :action => "login", :referer => request.fullpath
+      else
+        render :text => "", :status => :forbidden
+      end
+    end
+  end
+
+  def require_oauth
+    @oauth = @user.access_token(OAUTH_KEY) if @user && defined? OAUTH_KEY

   end
 
   ##
   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

   # directly, since it's cumbersome to call filters with arguments in rails. to
   # make it easier to read and write the code, there are some utility methods
   # below.
   # directly, since it's cumbersome to call filters with arguments in rails. to
   # make it easier to read and write the code, there are some utility methods
   # below.


@@ -76,10 +73,10 @@ class ApplicationController < ActionController::Base
     if request.cookies["_osm_session"].to_s == ""
       if params[:cookie_test].nil?
         session[:cookie_test] = true
     if request.cookies["_osm_session"].to_s == ""
       if params[:cookie_test].nil?
         session[:cookie_test] = true

-        redirect_to params.merge(:cookie_test => "true")
+        redirect_to Hash[params].merge(:cookie_test => "true")

         return false
       else
         return false
       else

-        flash.now[:warning] = t 'application.require_cookies.cookies_needed'
+        flash.now[:warning] = t "application.require_cookies.cookies_needed"

       end
     else
       session.delete(:cookie_test)
       end
     else
       session.delete(:cookie_test)


@@ -90,39 +87,62 @@ class ApplicationController < ActionController::Base
   def require_allow_read_prefs
     require_capability(:allow_read_prefs)
   end
   def require_allow_read_prefs
     require_capability(:allow_read_prefs)
   end

+

   def require_allow_write_prefs
     require_capability(:allow_write_prefs)
   end
   def require_allow_write_prefs
     require_capability(:allow_write_prefs)
   end

+

   def require_allow_write_diary
     require_capability(:allow_write_diary)
   end
   def require_allow_write_diary
     require_capability(:allow_write_diary)
   end

+

   def require_allow_write_api
     require_capability(:allow_write_api)
 
   def require_allow_write_api
     require_capability(:allow_write_api)
 

-    if REQUIRE_TERMS_AGREED and @user.terms_agreed.nil?
+    if REQUIRE_TERMS_AGREED && @user.terms_agreed.nil?

       report_error "You must accept the contributor terms before you can edit.", :forbidden
       return false
     end
   end
       report_error "You must accept the contributor terms before you can edit.", :forbidden
       return false
     end
   end

+

   def require_allow_read_gpx
     require_capability(:allow_read_gpx)
   end
   def require_allow_read_gpx
     require_capability(:allow_read_gpx)
   end

+

   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 :text => "", :status => :forbidden
+      end
+    end
+  end
+

   ##
   # sets up the @user object for use by other methods. this is mostly called
   # from the authorize method, but can be called elsewhere if authorisation
   # is optional.
   def setup_user_auth
     # try and setup using OAuth
   ##
   # sets up the @user object for use by other methods. this is mostly called
   # from the authorize method, but can be called elsewhere if authorisation
   # is optional.
   def setup_user_auth
     # try and setup using OAuth

-    if not Authenticator.new(self, [:token]).allow?
+    unless Authenticator.new(self, [:token]).allow?

       username, passwd = get_auth_data # parse from headers
       # authenticate per-scheme
       if username.nil?
         @user = nil # no authentication provided - perhaps first connect (client should retry after 401)
       username, passwd = get_auth_data # parse from headers
       # authenticate per-scheme
       if username.nil?
         @user = nil # no authentication provided - perhaps first connect (client should retry after 401)

-      elsif username == 'token'
+      elsif username == "token"

         @user = User.authenticate(:token => passwd) # preferred - random token for user from db, passed in basic auth
       else
         @user = User.authenticate(:username => username, :password => passwd) # basic auth
         @user = User.authenticate(:token => passwd) # preferred - random token for user from db, passed in basic auth
       else
         @user = User.authenticate(:username => username, :password => passwd) # basic auth


@@ -132,62 +152,113 @@ 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.
         # NOTE: need slightly more helpful message than this.

-        report_error t('application.setup_user_auth.blocked'), :forbidden
+        report_error t("application.setup_user_auth.blocked"), :forbidden

       end
 
       # if the user hasn't seen the contributor terms then don't
       # allow editing - they have to go to the web site and see
       # (but can decline) the CTs to continue.
       end
 
       # if the user hasn't seen the contributor terms then don't
       # allow editing - they have to go to the web site and see
       # (but can decline) the CTs to continue.

-      if REQUIRE_TERMS_SEEN and not @user.terms_seen and flash[:skip_terms].nil?
+      if REQUIRE_TERMS_SEEN && !@user.terms_seen && flash[:skip_terms].nil?

         set_locale
         set_locale

-        report_error t('application.setup_user_auth.need_to_see_terms'), :forbidden
+        report_error t("application.setup_user_auth.need_to_see_terms"), :forbidden

       end
     end
   end
 
       end
     end
   end
 

-  def authorize(realm='Web Password', errormessage="Couldn't authenticate you") 
+  def authorize(realm = "Web Password", errormessage = "Couldn't authenticate you")

     # make the @user object from any auth sources we have
     setup_user_auth
 
     # handle authenticate pass/fail
     unless @user
       # no auth, the user does not exist or the password was wrong
     # make the @user object from any auth sources we have
     setup_user_auth
 
     # handle authenticate pass/fail
     unless @user
       # no auth, the user does not exist or the password was wrong

-      response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\"" 
+      response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""

       render :text => errormessage, :status => :unauthorized
       return false
       render :text => errormessage, :status => :unauthorized
       return false

-    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)
 
   def check_database_readable(need_api = false)

-    if STATUS == :database_offline or (need_api and STATUS == :api_offline)
-      redirect_to :controller => 'site', :action => 'offline'
+    if STATUS == :database_offline || (need_api && STATUS == :api_offline)
+      if request.xhr?
+        report_error "Database offline for maintenance", :service_unavailable
+      else
+        redirect_to :controller => "site", :action => "offline"
+      end

     end
   end
 
   def check_database_writable(need_api = false)
     end
   end
 
   def check_database_writable(need_api = false)

-    if STATUS == :database_offline or STATUS == :database_readonly or
-       (need_api and (STATUS == :api_offline or STATUS == :api_readonly))
-      redirect_to :controller => 'site', :action => 'offline'
+    if STATUS == :database_offline || STATUS == :database_readonly ||
+       (need_api && (STATUS == :api_offline || STATUS == :api_readonly))
+      if request.xhr?
+        report_error "Database offline for maintenance", :service_unavailable
+      else
+        redirect_to :controller => "site", :action => "offline"
+      end

     end
   end
 
   def check_api_readable
     end
   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
+    status
+  end
+
+  def gpx_status
+    status = database_status
+    status = :offline if status == :online && STATUS == :gpx_offline
+    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


@@ -197,15 +268,15 @@ class ApplicationController < ActionController::Base
 
   # Report and error to the user
   # (If anyone ever fixes Rails so it can set a http status "reason phrase",
 
   # Report and error to the user
   # (If anyone ever fixes Rails so it can set a http status "reason phrase",

-  #  rather than only a status code and having the web engine make up a 
+  #  rather than only a status code and having the web engine make up a

   #  phrase from that, we can also put the error message into the status
   #  message. For now, rails won't let us)
   def report_error(message, status = :bad_request)
   #  phrase from that, we can also put the error message into the status
   #  message. For now, rails won't let us)
   def report_error(message, status = :bad_request)

-    # Todo: some sort of escaping of problem characters in the message
-    response.headers['Error'] = message
+    # TODO: some sort of escaping of problem characters in the message
+    response.headers["Error"] = message

 
 

-    if request.headers['X-Error-Format'] and
-       request.headers['X-Error-Format'].downcase == "xml"
+    if request.headers["X-Error-Format"] &&
+       request.headers["X-Error-Format"].downcase == "xml"

       result = OSM::API.new.get_xml_doc
       result.root.name = "osmError"
       result.root << (XML::Node.new("status") << "#{Rack::Utils.status_code(status)} #{Rack::Utils::HTTP_STATUS_CODES[status]}")
       result = OSM::API.new.get_xml_doc
       result.root.name = "osmError"
       result.root << (XML::Node.new("status") << "#{Rack::Utils.status_code(status)} #{Rack::Utils::HTTP_STATUS_CODES[status]}")


@@ -213,66 +284,69 @@ 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
     end
   end

-  
+

   def set_locale
   def set_locale

-    response.header['Vary'] = 'Accept-Language'
+    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?
+      http_accept_language.user_preferred_languages = @user.languages
+      response.header["Vary"] = "*"

     end
 
     end
 

-    if request.compatible_language_from(I18n.available_locales).nil?
-      request.user_preferred_languages = request.user_preferred_languages.collect do |pl|
-        pls = [ pl ]
+    I18n.locale = select_locale
+
+    if @user && @user.languages.empty? && !http_accept_language.user_preferred_languages.empty?
+      @user.languages = http_accept_language.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]
+      http_accept_language.user_preferred_languages = [params[:locale]]
+    end
+
+    if http_accept_language.compatible_language_from(locales).nil?
+      http_accept_language.user_preferred_languages = http_accept_language.user_preferred_languages.collect do |pl|
+        pls = [pl]

 
         while pl.match(/^(.*)-[^-]+$/)
 
         while pl.match(/^(.*)-[^-]+$/)

-          pls.push($1) if I18n.available_locales.include?($1.to_sym)
+          pls.push($1) if locales.include?($1) || 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
+    http_accept_language.compatible_language_from(locales) || I18n.default_locale

   end
 
   end
 

+  helper_method :select_locale
+

   def api_call_handle_error
   def api_call_handle_error

-    begin
-      yield
-    rescue ActiveRecord::RecordNotFound => ex
-      render :nothing => true, :status => :not_found
-    rescue LibXML::XML::Error, ArgumentError => ex
-      report_error ex.message, :bad_request
-    rescue ActiveRecord::RecordInvalid => ex
-      message = "#{ex.record.class} #{ex.record.id}: "
-      ex.record.errors.each { |attr,msg| message << "#{attr}: #{msg} (#{ex.record[attr].inspect})" }
-      report_error message, :bad_request
-    rescue OSM::APIError => ex
-      report_error ex.message, ex.status
-    rescue ActionController::UnknownAction => ex
-      raise
-    rescue Exception => ex
-      logger.info("API threw unexpected #{ex.class} exception: #{ex.message}")
-      ex.backtrace.each { |l| logger.info(l) }
-      report_error "#{ex.class}: #{ex.message}", :internal_server_error
-    end
+    yield
+  rescue ActiveRecord::RecordNotFound => ex
+    render :text => "", :status => :not_found
+  rescue LibXML::XML::Error, ArgumentError => ex
+    report_error ex.message, :bad_request
+  rescue ActiveRecord::RecordInvalid => ex
+    message = "#{ex.record.class} #{ex.record.id}: "
+    ex.record.errors.each { |attr, msg| message << "#{attr}: #{msg} (#{ex.record[attr].inspect})" }
+    report_error message, :bad_request
+  rescue OSM::APIError => ex
+    report_error ex.message, ex.status
+  rescue AbstractController::ActionNotFound => ex
+    raise
+  rescue StandardError => ex
+    logger.info("API threw unexpected #{ex.class} exception: #{ex.message}")
+    ex.backtrace.each { |l| logger.info(l) }
+    report_error "#{ex.class}: #{ex.message}", :internal_server_error

   end
 
   ##
   end
 
   ##


@@ -280,13 +354,13 @@ class ApplicationController < ActionController::Base
   # or raises a suitable error. +method+ should be a symbol, e.g: :put or :get.
   def assert_method(method)
     ok = request.send((method.to_s.downcase + "?").to_sym)
   # or raises a suitable error. +method+ should be a symbol, e.g: :put or :get.
   def assert_method(method)
     ok = request.send((method.to_s.downcase + "?").to_sym)

-    raise OSM::APIBadMethodError.new(method) unless ok
+    fail OSM::APIBadMethodError.new(method) unless ok

   end
 
   ##
   # wrap an api call in a timeout
   def api_call_timeout
   end
 
   ##
   # 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
       yield
     end
   rescue Timeout::Error


@@ -296,11 +370,17 @@ class ApplicationController < ActionController::Base
   ##
   # wrap a web page in a timeout
   def web_timeout
   ##
   # wrap a web page in a timeout
   def web_timeout

-    SystemTimer.timeout_after(WEB_TIMEOUT) do
+    OSM::Timer.timeout(WEB_TIMEOUT) do

       yield
     end
       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) && ex.message =~ /execution expired/
+      ex = Timeout::Error.new
+    end
+
+    if ex.is_a?(Timeout::Error)

       render :action => "timeout"
     else
       raise
       render :action => "timeout"
     else
       raise


@@ -310,62 +390,73 @@ class ApplicationController < ActionController::Base
   end
 
   ##
   end
 
   ##

-  # extend caches_action to include the parameters, locale and logged in
-  # status in all cache keys
-  def self.caches_action(*actions)
-    options = actions.extract_options!
-    cache_path = options[:cache_path] || Hash.new
-
-    options[:unless] = case options[:unless]
-                       when NilClass then Array.new
-                       when Array then options[:unless]
-                       else unlessp = [ options[:unless] ]
-                       end
-
-    options[:unless].push(Proc.new do |controller|
-      controller.params.include?(:page)
-    end)
-
-    options[:cache_path] = Proc.new do |controller|
-      cache_path.merge(controller.params).merge(:locale => I18n.locale)
+  # 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

-
-    actions.push(options)
-
-    super *actions

   end
 
   ##
   end
 
   ##

-  # extend expire_action to expire all variants
-  def expire_action(options = {})
-    I18n.available_locales.each do |locale|
-      super options.merge(:locale => locale)
+  # render a "no such user" page
+  def render_unknown_user(name)
+    @title = t "user.no_such_user.title"
+    @not_found_user = name
+
+    respond_to do |format|
+      format.html { render :template => "user/no_such_user", :status => :not_found }
+      format.all { render :text => "", :status => :not_found }

     end
   end
 
   ##
     end
   end
 
   ##

-  # is the requestor logged in?
-  def logged_in?
-    !@user.nil?
+  # 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
 
   end
 

-private 
+  def map_layout
+    request.xhr? ? "xhr" : "map"
+  end
+
+  def preferred_editor
+    editor = if params[:editor]
+               params[:editor]
+             elsif @user && @user.preferred_editor
+               @user.preferred_editor
+             else
+               DEFAULT_EDITOR
+             end
+
+    editor
+  end
+
+  helper_method :preferred_editor
+
+  private

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

-  def get_auth_data 
-    if request.env.has_key? 'X-HTTP_AUTHORIZATION'          # where mod_rewrite might have put it 
-      authdata = request.env['X-HTTP_AUTHORIZATION'].to_s.split 
-    elsif request.env.has_key? 'REDIRECT_X_HTTP_AUTHORIZATION'          # mod_fcgi 
-      authdata = request.env['REDIRECT_X_HTTP_AUTHORIZATION'].to_s.split 
-    elsif request.env.has_key? 'HTTP_AUTHORIZATION'         # regular location
-      authdata = request.env['HTTP_AUTHORIZATION'].to_s.split
-    end 
+  def get_auth_data
+    if request.env.key? "X-HTTP_AUTHORIZATION" # where mod_rewrite might have put it
+      authdata = request.env["X-HTTP_AUTHORIZATION"].to_s.split
+    elsif request.env.key? "REDIRECT_X_HTTP_AUTHORIZATION" # mod_fcgi
+      authdata = request.env["REDIRECT_X_HTTP_AUTHORIZATION"].to_s.split
+    elsif request.env.key? "HTTP_AUTHORIZATION" # regular location
+      authdata = request.env["HTTP_AUTHORIZATION"].to_s.split
+    end

     # only basic authentication supported
     # only basic authentication supported

-    if authdata and authdata[0] == 'Basic' 
-      user, pass = Base64.decode64(authdata[1]).split(':',2)
-    end 
-    return [user, pass] 
-  end 
+    if authdata && authdata[0] == "Basic"
+      user, pass = Base64.decode64(authdata[1]).split(":", 2)
+    end
+    [user, pass]
+  end

 
   # used by oauth plugin to get the current user
   def current_user
 
   # used by oauth plugin to get the current user
   def current_user


@@ -374,11 +465,10 @@ private
 
   # used by oauth plugin to set the current user
   def current_user=(user)
 
   # used by oauth plugin to set the current user
   def current_user=(user)

-    @user=user
+    @user = user

   end
 
   # override to stop oauth plugin sending errors
   def invalid_oauth_response
   end
   end
 
   # override to stop oauth plugin sending errors
   def invalid_oauth_response
   end

-

 end
 end