Cleanup trailing whitespace

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

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 2d137cc41d7be704914a395899e4067adf1c2f22..c335dcaf45a8feaf04a77311eb4b3c3a25784f20 100644 (file)
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,19 +1,15 @@
 class ApplicationController < ActionController::Base
 class ApplicationController < ActionController::Base

+  include SessionPersistence

 
   protect_from_forgery
 
 
   protect_from_forgery
 

-  if STATUS == :database_readonly or STATUS == :database_offline
-    session :off
-
-    def self.cache_sweeper(*sweepers)
-    end
-  end
+  before_filter :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.status == "suspended"
+    if @user.status == "suspended"

         session.delete(:user)
         session_expires_automatically
 
         session.delete(:user)
         session_expires_automatically
 


@@ -30,21 +26,33 @@ class ApplicationController < ActionController::Base
         end
       end
     elsif session[:token]
         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}")
     end
   rescue Exception => ex
     logger.info("Exception authorizing user: #{ex.to_s}")

+    reset_session

     @user = nil
   end
 
   def require_user
     @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 and 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.


@@ -65,7 +73,7 @@ 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
         flash.now[:warning] = t 'application.require_cookies.cookies_needed'
         return false
       else
         flash.now[:warning] = t 'application.require_cookies.cookies_needed'


@@ -99,6 +107,23 @@ 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 :text => "", :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


@@ -121,7 +146,7 @@ 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


@@ -136,47 +161,100 @@ class ApplicationController < ActionController::Base
     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)
     if STATUS == :database_offline or (need_api and STATUS == :api_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'
+      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)
     if STATUS == :database_offline or STATUS == :database_readonly or
        (need_api and (STATUS == :api_offline or STATUS == :api_readonly))
     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 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
+    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


@@ -186,7 +264,7 @@ 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)


@@ -202,51 +280,56 @@ 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
     response.header['Vary'] = 'Accept-Language'
 
   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?
+      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|
+    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(/^(.*)-[^-]+$/)
         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)
-
-    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
     begin
       yield
     rescue ActiveRecord::RecordNotFound => ex
   def api_call_handle_error
     begin
       yield
     rescue ActiveRecord::RecordNotFound => ex

-      render :nothing => true, :status => :not_found
+      render :text => "", :status => :not_found

     rescue LibXML::XML::Error, ArgumentError => ex
       report_error ex.message, :bad_request
     rescue ActiveRecord::RecordInvalid => ex
     rescue LibXML::XML::Error, ArgumentError => ex
       report_error ex.message, :bad_request
     rescue ActiveRecord::RecordInvalid => ex


@@ -255,7 +338,7 @@ class ApplicationController < ActionController::Base
       report_error message, :bad_request
     rescue OSM::APIError => ex
       report_error ex.message, ex.status
       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}")
       raise
     rescue Exception => ex
       logger.info("API threw unexpected #{ex.class} exception: #{ex.message}")


@@ -275,7 +358,7 @@ class ApplicationController < ActionController::Base
   ##
   # wrap an api call in a timeout
   def api_call_timeout
   ##
   # 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


@@ -285,11 +368,17 @@ 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) and 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


@@ -299,62 +388,88 @@ 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)
+  # is the requestor logged in?
+  def logged_in?
+    !@user.nil?
+  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 and @user.preferred_editor
+      @user.preferred_editor
+    else
+      DEFAULT_EDITOR
+    end
+
+    if request.env['HTTP_USER_AGENT'] =~ /MSIE|Trident/ and editor == 'id'
+      editor = 'potlatch2'
+    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 
+  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
     elsif request.env.has_key? 'HTTP_AUTHORIZATION'         # regular location
       authdata = request.env['HTTP_AUTHORIZATION'].to_s.split

-    end 
+    end

     # only basic authentication supported
     # only basic authentication supported

-    if authdata and authdata[0] == 'Basic' 
+    if authdata and authdata[0] == 'Basic'

       user, pass = Base64.decode64(authdata[1]).split(':',2)
       user, pass = Base64.decode64(authdata[1]).split(':',2)

-    end 
-    return [user, pass] 
-  end 
+    end
+    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)
 
   # used by oauth plugin to set the current user
   def current_user=(user)