-# 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
- end
+ protect_from_forgery
+
+ before_filter :fetch_body
def authorize_web
if session[:user]
- @user = User.find(session[:user], :conditions => {:status => ["active", "confirmed", "suspended"]})
+ @user = User.where(:id => session[:user]).where("status IN ('active', 'confirmed', 'suspended')").first
if @user.status == "suspended"
- session[:user] = nil
+ 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 && 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}")
+ rescue StandardError => ex
+ logger.info("Exception authorizing user: #{ex}")
+ 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 :text => "", :status => :forbidden
+ end
+ end
+ end
+
+ def require_oauth
+ @oauth = @user.access_token(OAUTH_KEY) if @user && 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
# 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.
# 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
+ report_error "OAuth token doesn't have that capability.", :forbidden
return false
end
end
def require_cookies
if request.cookies["_osm_session"].to_s == ""
if params[:cookie_test].nil?
- redirect_to params.merge(:cookie_test => "true")
+ session[:cookie_test] = true
+ redirect_to Hash[params].merge(:cookie_test => "true")
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
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_diary
require_capability(:allow_write_diary)
end
+
def require_allow_write_api
require_capability(:allow_write_api)
+
+ 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
+
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_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
- if oauthenticate
- @user = current_token.user
- else
+ 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)
- 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
end
end
- # check if the user has been banned
- unless @user.nil? or @user.active_blocks.empty?
- # NOTE: need slightly more helpful message than this.
- render :text => t('application.setup_user_auth.blocked'), :status => :forbidden
+ # 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 && !@user.terms_seen && 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")
+ 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
- response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
+ response.headers["WWW-Authenticate"] = "Basic realm=\"#{realm}\""
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 OSM_STATUS == :database_offline or (need_api and OSM_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)
- if OSM_STATUS == :database_offline or OSM_STATUS == :database_readonly or
- (need_api and (OSM_STATUS == :api_offline or OSM_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
- if OSM_STATUS == :database_offline or OSM_STATUS == :api_offline
- response.headers['Error'] = "Database offline for maintenance"
- render :nothing => true, :status => :service_unavailable
+ if api_status == :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
+ unless api_status == :online
+ 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?
- 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
# 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)
# Todo: some sort of escaping of problem characters in the message
- response.headers['Error'] = message
- render :text => message, :status => status
+ response.headers["Error"] = message
+
+ 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.root << (XML::Node.new("message") << message)
+
+ render :text => result.to_s, :content_type => "text/xml"
+ else
+ render :text => message, :status => status, :content_type => "text/plain"
+ end
end
-
+
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
- I18n.locale = request.compatible_language_from(I18n.available_locales)
+ 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
+ response.headers["Content-Language"] = I18n.locale.to_s
end
- 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
+ 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.push($1) if locales.include?($1) || locales.include?($1.to_sym)
+ pl = $1
+ end
+
+ pls
+ end.flatten
+ end
+
+ http_accept_language.compatible_language_from(locales) || I18n.default_locale
+ end
+
+ helper_method :select_locale
+
+ def api_call_handle_error
+ 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
##
# 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
- SystemTimer.timeout_after(APP_CONFIG['api_timeout']) do
+ OSM::Timer.timeout(API_TIMEOUT) do
yield
end
rescue Timeout::Error
##
# wrap a web page in a timeout
def web_timeout
- SystemTimer.timeout_after(APP_CONFIG['web_timeout']) do
+ OSM::Timer.timeout(WEB_TIMEOUT) do
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
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[:cache_path] = Proc.new do |controller|
- user = controller.instance_variable_get("@user")
-
- case
- when user.nil? then user = :none
- when user.display_name == controller.params[:display_name] then user = :self
- when user.administrator? then user = :administrator
- when user.moderator? then user = :moderator
- else user = :other
- end
+ # is the requestor logged in?
+ def logged_in?
+ !@user.nil?
+ end
- cache_path.merge(controller.params).merge(:locale => I18n.locale, :user => user)
+ ##
+ # 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
-
- actions.push(options)
-
- super *actions
end
##
- # extend expire_action to expire all variants
- def expire_action(options = {})
- path = ActionCachePath.path_for(self, options, false).gsub('?', '.').gsub(':', '.')
- expire_fragment(Regexp.new(Regexp.escape(path) + "\\..*"))
+ # 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
##
- # 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
+
+ def map_layout
+ request.xhr? ? "xhr" : "map"
end
-private
+ def preferred_editor
+ editor = if params[:editor]
+ params[:editor]
+ elsif @user && @user.preferred_editor
+ @user.preferred_editor
+ else
+ DEFAULT_EDITOR
+ end
+
+ if request.env["HTTP_USER_AGENT"] =~ /MSIE|Trident/ && editor == "id"
+ editor = "potlatch2"
+ end
+
+ editor
+ end
+
+ helper_method :preferred_editor
+
+ 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
- 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
- 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
+ @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