+ ##
+ # verify an OpenID URL
+ def openid_verify(openid_url, user)
+ user.openid_url = openid_url
+
+ authenticate_with_open_id(openid_expand_url(openid_url), :method => :get, :required => [:email, "http://axschema.org/contact/email"]) do |result, identity_url, sreg, ax|
+ if result.successful?
+ # Do we trust the emails this provider returns?
+ if openid_email_verified(identity_url)
+ # Guard against not getting any extension data
+ sreg = Hash.new if sreg.nil?
+ ax = Hash.new if ax.nil?
+
+ # Get the verified email
+ verified_email = sreg["email"] || ax["http://axschema.org/contact/email"].first
+ end
+
+ # We need to use the openid url passed back from the OpenID provider
+ # rather than the one supplied by the user, as these can be different.
+ #
+ # For example, you can simply enter yahoo.com in the login box rather
+ # than a user specific url. Only once it comes back from the provider
+ # provider do we know the unique address for the user.
+ user.openid_url = identity_url
+ yield user, verified_email
+ elsif result.missing?
+ flash.now[:error] = t 'user.login.openid missing provider'
+ elsif result.invalid?
+ flash.now[:error] = t 'user.login.openid invalid'
+ else
+ flash.now[:error] = t 'user.login.auth failure'
+ end
+ end
+ end
+
+ ##
+ # special case some common OpenID providers by applying heuristics to
+ # try and come up with the correct URL based on what the user entered
+ def openid_expand_url(openid_url)
+ if openid_url.nil?
+ return nil
+ elsif openid_url.match(/(.*)gmail.com(\/?)$/) or openid_url.match(/(.*)googlemail.com(\/?)$/)
+ # Special case gmail.com as it is potentially a popular OpenID
+ # provider and, unlike yahoo.com, where it works automatically, Google
+ # have hidden their OpenID endpoint somewhere obscure this making it
+ # somewhat less user friendly.
+ return 'https://www.google.com/accounts/o8/id'
+ else
+ return openid_url
+ end
+ end
+
+ ##
+ # check if we trust an OpenID provider to return a verified
+ # email, so that we can skpi verifying it ourselves
+ def openid_email_verified(openid_url)
+ openid_url.match(/https:\/\/www.google.com\/accounts\/o8\/id?(.*)/) or
+ openid_url.match(/https:\/\/me.yahoo.com\/(.*)/)
+ end
+
+ ##
+ # process a successful login
+ def successful_login(user)
+ session[:user] = user.id
+ session_expires_after 28.days if session[:remember_me]
+
+ target = session[:referer] || url_for(:controller => :site, :action => :index)
+
+ # The user is logged in, so decide where to send them:
+ #
+ # - If they haven't seen the contributor terms, send them there.
+ # - If they have a block on them, show them that.
+ # - If they were referred to the login, send them back there.
+ # - Otherwise, send them to the home page.
+ if REQUIRE_TERMS_SEEN and not user.terms_seen
+ redirect_to :controller => :user, :action => :terms, :referer => target
+ elsif user.blocked_on_view
+ redirect_to user.blocked_on_view, :referer => target
+ else
+ redirect_to target
+ end
+
+ session.delete(:remember_me)
+ session.delete(:referer)
+ end
+
+ ##
+ # process a failed login
+ def failed_login(message)
+ flash[:error] = message
+
+ redirect_to :action => 'login', :referer => session[:referer]
+
+ session.delete(:remember_me)
+ session.delete(:referer)
+ end
+
+ ##
+ #
+ def unconfirmed_login(user)
+ redirect_to :action => 'confirm', :display_name => user.display_name
+
+ session.delete(:remember_me)
+ session.delete(:referer)
+ end
+
+ ##
+ # update a user's details
+ def update_user(user, params)
+ user.display_name = params[:user][:display_name]
+ user.new_email = params[:user][:new_email]
+
+ if params[:user][:pass_crypt].length > 0 or params[:user][:pass_crypt_confirmation].length > 0
+ user.pass_crypt = params[:user][:pass_crypt]
+ user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
+ end
+
+ if params[:user][:description] != user.description
+ user.description = params[:user][:description]
+ user.description_format = "markdown"
+ end
+
+ user.languages = params[:user][:languages].split(",")
+
+ case params[:image_action]
+ when "new" then
+ user.image = params[:user][:image]
+ user.image_use_gravatar = false
+ when "delete" then
+ user.image = nil
+ user.image_use_gravatar = false
+ when "gravatar" then
+ user.image = nil
+ user.image_use_gravatar = true
+ end
+
+ user.home_lat = params[:user][:home_lat]
+ user.home_lon = params[:user][:home_lon]
+
+ if params[:user][:preferred_editor] == "default"
+ user.preferred_editor = nil
+ else
+ user.preferred_editor = params[:user][:preferred_editor]
+ end
+
+ user.openid_url = nil if params[:user][:openid_url].blank?
+
+ if user.save
+ set_locale
+
+ if user.new_email.blank? or user.new_email == user.email
+ flash.now[:notice] = t 'user.account.flash update success'
+ else
+ user.email = user.new_email
+
+ if user.valid?
+ flash.now[:notice] = t 'user.account.flash update success confirm needed'
+
+ begin
+ Notifier.email_confirm(user, user.tokens.create).deliver_now
+ rescue
+ # Ignore errors sending email
+ end
+ else
+ @user.errors.set(:new_email, @user.errors.get(:email))
+ @user.errors.set(:email, [])
+ end
+
+ user.restore_email!
+ end
+ end
+ end
+
+ ##
+ # require that the user is a administrator, or fill out a helpful error message
+ # and return them to the user page.
+ def require_administrator
+ if @user and not @user.administrator?
+ flash[:error] = t('user.filter.not_an_administrator')
+
+ if params[:display_name]
+ redirect_to :controller => 'user', :action => 'view', :display_name => params[:display_name]
+ else
+ redirect_to :controller => 'user', :action => 'login', :referer => request.fullpath
+ end
+ elsif not @user
+ redirect_to :controller => 'user', :action => 'login', :referer => request.fullpath
+ end
+ end