X-Git-Url: https://git.openstreetmap.org./rails.git/blobdiff_plain/05e212027339733cf39aa9b7536c3f5f69ba0962..7f19bade8ee72d77a2e229f4f0ccc863e01d6421:/app/controllers/application_controller.rb

diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 110682947..b9f98071c 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -1,14 +1,34 @@
-# Filters added to this controller will be run for all controllers in the application.
-# Likewise, all the methods added will be available for all controllers.
 class ApplicationController < ActionController::Base
 
-  if OSM_STATUS == :database_readonly or OSM_STATUS == :database_offline
+  protect_from_forgery
+
+  if STATUS == :database_readonly or STATUS == :database_offline
     session :off
+
+    def self.cache_sweeper(*sweepers)
+    end
   end
 
   def authorize_web
     if session[:user]
-      @user = User.find(session[:user], :conditions => {:visible => true})
+      @user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first
+
+      if @user.status == "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'
+        if params[:referer]
+          redirect_to :controller => "user", :action => "terms", :referer => params[:referer]
+        else
+          redirect_to :controller => "user", :action => "terms", :referer => request.fullpath
+        end
+      end
     elsif session[:token]
       @user = User.authenticate(:token => session[:token])
       session[:user] = @user.id
@@ -19,7 +39,7 @@ class ApplicationController < ActionController::Base
   end
 
   def require_user
-    redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri unless @user
+    redirect_to :controller => 'user', :action => 'login', :referer => request.fullpath unless @user
   end
 
   ##
@@ -31,11 +51,27 @@ class ApplicationController < ActionController::Base
   def require_capability(cap)
     # when the current token is nil, it means the user logged in with a different
     # method, otherwise an OAuth token was used, which has to be checked.
-    unless @current_token.nil?
-      unless @current_token.read_attribute(cap)
-        render :text => "OAuth token doesn't have that capability.", :status => :forbidden
+    unless current_token.nil?
+      unless current_token.read_attribute(cap)
+        report_error "OAuth token doesn't have that capability.", :forbidden
+        return false
+      end
+    end
+  end
+
+  ##
+  # require the user to have cookies enabled in their browser
+  def require_cookies
+    if request.cookies["_osm_session"].to_s == ""
+      if params[:cookie_test].nil?
+        session[:cookie_test] = true
+        redirect_to params.merge(:cookie_test => "true")
         return false
+      else
+        flash.now[:warning] = t 'application.require_cookies.cookies_needed'
       end
+    else
+      session.delete(:cookie_test)
     end
   end
 
@@ -51,6 +87,11 @@ class ApplicationController < ActionController::Base
   end
   def require_allow_write_api
     require_capability(:allow_write_api)
+
+    if REQUIRE_TERMS_AGREED and @user.terms_agreed.nil?
+      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)
@@ -65,8 +106,8 @@ class ApplicationController < ActionController::Base
   # is optional.
   def setup_user_auth
     # try and setup using OAuth
-    if oauthenticate
-      @user = @current_token.user
+    if Authenticator.new(self, [:token]).allow?
+      @user = current_token.user
     else
       username, passwd = get_auth_data # parse from headers
       # authenticate per-scheme
@@ -78,6 +119,23 @@ class ApplicationController < ActionController::Base
         @user = User.authenticate(:username => username, :password => passwd) # basic auth
       end
     end
+
+    # have we identified the user?
+    if @user
+      # check if the user has been banned
+      if not  @user.active_blocks.empty?
+        # NOTE: need slightly more helpful message than this.
+        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.
+      if REQUIRE_TERMS_SEEN and not @user.terms_seen and flash[:skip_terms].nil?
+        set_locale
+        report_error t('application.setup_user_auth.need_to_see_terms'), :forbidden
+      end
+    end
   end
 
   def authorize(realm='Web Password', errormessage="Couldn't authenticate you") 
@@ -94,39 +152,36 @@ class ApplicationController < ActionController::Base
   end 
 
   def check_database_readable(need_api = false)
-    if OSM_STATUS == :database_offline or (need_api and OSM_STATUS == :api_offline)
+    if STATUS == :database_offline or (need_api and STATUS == :api_offline)
       redirect_to :controller => 'site', :action => 'offline'
     end
   end
 
   def check_database_writable(need_api = false)
-    if OSM_STATUS == :database_offline or OSM_STATUS == :database_readonly or
-       (need_api and (OSM_STATUS == :api_offline or OSM_STATUS == :api_readonly))
+    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'
     end
   end
 
   def check_api_readable
-    if OSM_STATUS == :database_offline or OSM_STATUS == :api_offline
-      response.headers['Error'] = "Database offline for maintenance"
-      render :nothing => true, :status => :service_unavailable
+    if STATUS == :database_offline or STATUS == :api_offline
+      report_error "Database offline for maintenance", :service_unavailable
       return false
     end
   end
 
   def check_api_writable
-    if OSM_STATUS == :database_offline or OSM_STATUS == :database_readonly or
-       OSM_STATUS == :api_offline or OSM_STATUS == :api_readonly
-      response.headers['Error'] = "Database offline for maintenance"
-      render :nothing => true, :status => :service_unavailable
+    if STATUS == :database_offline or STATUS == :database_readonly or
+       STATUS == :api_offline or STATUS == :api_readonly
+      report_error "Database offline for maintenance", :service_unavailable
       return false
     end
   end
 
   def require_public_data
     unless @user.data_public?
-      response.headers['Error'] = "You must make your edits public to upload new data"
-      render :nothing => true, :status => :forbidden
+      report_error "You must make your edits public to upload new data", :forbidden
       return false
     end
   end
@@ -139,19 +194,51 @@ class ApplicationController < ActionController::Base
   def report_error(message, status = :bad_request)
     # Todo: some sort of escaping of problem characters in the message
     response.headers['Error'] = message
-    render :text => message, :status => status
+
+    if request.headers['X-Error-Format'] and
+       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.root << (XML::Node.new("message") << message)
+
+      render :text => result.to_s, :content_type => "text/xml"
+    else
+      render :text => message, :status => status
+    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
     end
 
+    if request.compatible_language_from(I18n.available_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)
+          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)
 
     response.headers['Content-Language'] = I18n.locale.to_s
@@ -170,7 +257,11 @@ class ApplicationController < ActionController::Base
       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
   end
@@ -183,13 +274,74 @@ class ApplicationController < ActionController::Base
     raise OSM::APIBadMethodError.new(method) unless ok
   end
 
+  ##
+  # wrap an api call in a timeout
   def api_call_timeout
-    Timeout::timeout(APP_CONFIG['api_timeout'], OSM::APITimeoutError) do
+    SystemTimer.timeout_after(API_TIMEOUT) do
+      yield
+    end
+  rescue Timeout::Error
+    raise OSM::APITimeoutError
+  end
+
+  ##
+  # wrap a web page in a timeout
+  def web_timeout
+    SystemTimer.timeout_after(WEB_TIMEOUT) do
       yield
     end
+  rescue ActionView::TemplateError => ex
+    if ex.original_exception.is_a?(Timeout::Error)
+      render :action => "timeout"
+    else
+      raise
+    end
+  rescue Timeout::Error
+    render :action => "timeout"
+  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)
+    end
+
+    actions.push(options)
+
+    super *actions
+  end
+
+  ##
+  # extend expire_action to expire all variants
+  def expire_action(options = {})
+    I18n.available_locales.each do |locale|
+      super options.merge(:locale => locale)
+    end
+  end
+
+  ##
+  # is the requestor logged in?
+  def logged_in?
+    !@user.nil?
   end
 
 private 
+
   # 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 
@@ -206,4 +358,8 @@ private
     return [user, pass] 
   end 
 
+  # override to stop oauth plugin sending errors
+  def invalid_oauth_response
+  end
+
 end