-# 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
+ include SessionPersistence
- if OSM_STATUS == :database_readonly or OSM_STATUS == :database_offline
- session :off
+ protect_from_forgery
+
+ before_filter :fetch_body
+
+ if STATUS == :database_readonly or STATUS == :database_offline
+ 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.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"
+ 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
+ if @user = User.authenticate(:token => session[:token])
+ session[:user] = @user.id
+ end
end
rescue Exception => ex
logger.info("Exception authorizing user: #{ex.to_s}")
+ reset_session
@user = nil
end
def require_user
- redirect_to :controller => 'user', :action => 'login', :referer => request.request_uri unless @user
+ unless @user
+ if request.get?
+ redirect_to :controller => 'user', :action => 'login', :referer => request.fullpath
+ else
+ render :nothing => true, :status => :forbidden
+ end
+ 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
+ # 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.
+ 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)
+ 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
+
+ # Utility methods to make the controller filter methods easier to read and write.
+ 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_diary
+ require_capability(:allow_write_diary)
+ 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)
+ end
+ def require_allow_write_gpx
+ require_capability(:allow_write_gpx)
+ 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
##
# from the authorize method, but can be called elsewhere if authorisation
# is optional.
def setup_user_auth
- 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'
- @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
+ # try and setup using OAuth
+ if not 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)
+ 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
+ end
+ end
+
+ # have we identified the user?
+ if @user
+ # check if the user has been banned
+ if @user.blocks.active.exists?
+ # 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
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 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
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
end
end
- I18n.locale = request.compatible_language_from(I18n.available_locales)
+ 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 = params[:locale] || request.compatible_language_from(I18n.available_locales) || I18n.default_locale
response.headers['Content-Language'] = I18n.locale.to_s
end
report_error message, :bad_request
rescue OSM::APIError => ex
report_error ex.message, ex.status
+ rescue AbstractController::ActionNotFound => ex
+ raise
rescue Exception => ex
logger.info("API threw unexpected #{ex.class} exception: #{ex.message}")
ex.backtrace.each { |l| logger.info(l) }
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
+ OSM::Timer.timeout(API_TIMEOUT) do
yield
end
+ rescue Timeout::Error
+ raise OSM::APITimeoutError
+ end
+
+ ##
+ # wrap a web page in a timeout
+ def web_timeout
+ OSM::Timer.timeout(WEB_TIMEOUT) do
+ yield
+ end
+ rescue ActionView::Template::Error => ex
+ ex = ex.original_exception
+
+ if ex.is_a?(ActiveRecord::StatementInvalid) and ex.message =~ /^Timeout::Error/
+ ex = Timeout::Error.new
+ end
+
+ if ex.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(:host => SERVER_URL, :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(:host => SERVER_URL, :locale => locale)
+ end
+ end
+
+ ##
+ # is the requestor logged in?
+ def logged_in?
+ !@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
+
+ 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
+
+ ##
+ # 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
def get_auth_data
if request.env.has_key? 'X-HTTP_AUTHORIZATION' # where mod_rewrite might have put it
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)
+ @user=user
+ end
+
+ # override to stop oauth plugin sending errors
+ def invalid_oauth_response
+ end
+
end
projects / rails.git / blobdiff