+ @title = t 'user.new.title'
+
+ if Acl.find_by_address(request.remote_ip, :conditions => {:k => "no_account_creation"})
+ render :action => 'new'
+ else
+ #The redirect from the OpenID provider reenters here again
+ #and we need to pass the parameters through to the
+ #open_id_authentication function a second time
+ if params[:open_id_complete]
+ openid_verify('', true)
+ #We have set the user.openid_url to nil beforehand. If it hasn't
+ #been set to a new valid openid_url, it means the openid couldn't be validated
+ if @user.nil? or @user.openid_url.nil?
+ render :action => 'new'
+ return
+ end
+ else
+ @user = User.new(params[:user])
+
+ @user.visible = true
+ @user.data_public = true
+ @user.description = "" if @user.description.nil?
+ @user.creation_ip = request.remote_ip
+ @user.languages = request.user_preferred_languages
+ #Set the openid_url to nil as for one it is used
+ #to check if the openid could be validated and secondly
+ #to not get dupplicate conflicts for an empty openid
+ @user.openid_url = nil
+
+ if (!params[:user][:openid_url].nil? and params[:user][:openid_url].length > 0)
+ if @user.pass_crypt.length == 0
+ #if the password is empty, but we have a openid
+ #then generate a random passowrd to disable
+ #loging in via password
+ @user.pass_crypt = ActiveSupport::SecureRandom.base64(16)
+ @user.pass_crypt_confirmation = @user.pass_crypt
+ end
+ #Validate all of the other fields before
+ #redirecting to the openid provider
+ if !@user.valid?
+ render :action => 'new'
+ else
+ #TODO: Is it a problem to store the user variable with respect to password safty in the session variables?
+ #Store the user variable in the session for it to be accessible when redirecting back from the openid provider
+ session[:new_usr] = @user
+ begin
+ @norm_openid_url = OpenIdAuthentication.normalize_identifier(params[:user][:openid_url])
+ rescue
+ flash.now[:error] = t 'user.login.openid invalid'
+ render :action => 'new'
+ return
+ end
+ #Verify that the openid provided is valid and that the user is the owner of the id
+ openid_verify(@norm_openid_url, true)
+ #openid_verify can return in two ways:
+ #Either it returns with a redirect to the openid provider who then freshly
+ #redirects back to this url if the openid is valid, or if the openid is not plausible
+ #and no provider for it could be found it just returns
+ #we want to just let the redirect through
+ if response.headers["Location"].nil?
+ render :action => 'new'
+ end
+ end
+ #At this point there was either an error and the page has been rendered,
+ #or there is a redirect to the openid provider and the rest of the method
+ #gets executed whenn this method gets reentered after redirecting back
+ #from the openid provider
+ return
+ end
+ end
+
+ if @user.save
+ flash[:notice] = t 'user.new.flash create success message'
+ Notifier.deliver_signup_confirm(@user, @user.tokens.create(:referer => params[:referer]))
+ redirect_to :action => 'login'
+ else
+ render :action => 'new'
+ end
+ end
+ end
+
+ def account
+ @title = t 'user.account.title'
+ @tokens = @user.oauth_tokens.find :all, :conditions => 'oauth_tokens.invalidated_at is null and oauth_tokens.authorized_at is not null'
+
+ #The redirect from the OpenID provider reenters here again
+ #and we need to pass the parameters through to the
+ #open_id_authentication function
+ if params[:open_id_complete]
+ openid_verify('', false)
+ @user.save
+ return
+ end
+
+ if params[:user] and params[:user][:display_name] and params[:user][:description]
+ @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
+
+ @user.description = params[:user][:description]
+ @user.languages = params[:user][:languages].split(",")
+
+ case params[:image_action]
+ when "new" then @user.image = params[:user][:image]
+ when "delete" then @user.image = nil
+ end
+
+ @user.home_lat = params[:user][:home_lat]
+ @user.home_lon = params[:user][:home_lon]
+
+ if @user.save
+ set_locale
+
+ if @user.new_email.nil? or @user.new_email.empty?
+ flash.now[:notice] = t 'user.account.flash update success'
+ else
+ flash.now[:notice] = t 'user.account.flash update success confirm needed'
+
+ begin
+ Notifier.deliver_email_confirm(@user, @user.tokens.create)
+ rescue
+ # Ignore errors sending email
+ end
+ end
+ end
+
+ if (params[:user][:openid_url].length > 0)
+ begin
+ @norm_openid_url = OpenIdAuthentication.normalize_identifier(params[:user][:openid_url])
+ if (@norm_openid_url != @user.openid_url)
+ #If the OpenID has changed, we want to check that it is a valid OpenID and one
+ #the user has control over before saving the openID as a password equivalent for
+ #the user.
+ openid_verify(@norm_openid_url, false)
+ end
+ rescue
+ flash.now[:error] = t 'user.login.openid invalid'
+ end
+ end
+
+ else
+ if flash[:errors]
+ flash[:errors].each do |attr,msg|
+ attr = "new_email" if attr == "email"
+ @user.errors.add(attr,msg)
+ end
+ end
+ end
+ end
+
+ def openid_specialcase_mapping(openid_url)
+ #Special case gmail.com, as it is pontentially a popular OpenID provider and unlike
+ #yahoo.com, where it works automatically, Google have hidden their OpenID endpoint
+ #somewhere obscure making it less userfriendly.
+ if (openid_url.match(/(.*)gmail.com(\/?)$/) or openid_url.match(/(.*)googlemail.com(\/?)$/) )
+ return 'https://www.google.com/accounts/o8/id'
+ end
+
+ return nil
+ end
+
+ def openid_verify(openid_url,account_create)
+ authenticate_with_open_id(openid_url) do |result, identity_url|
+ if result.successful?
+ #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.
+ #e.g. one can simply enter yahoo.com in the login box, i.e. no user specific url
+ #only once it comes back from the OpenID provider do we know the unique address for
+ #the user.
+ @user = session[:new_usr] unless @user #this is used for account creation when the user is not yet in the database
+ @user.openid_url = identity_url
+ elsif result.missing?
+ mapped_id = openid_specialcase_mapping(openid_url)
+ if mapped_id
+ openid_verify(mapped_id, account_create)
+ else
+ flash.now[:error] = t 'user.login.openid missing provider'
+ end
+ elsif result.invalid?
+ flash.now[:error] = t 'user.login.openid invalid'
+ else
+ flash.now[:error] = t 'user.login.auth failure'
+ end
+ end
+ end
+
+ def open_id_authentication(openid_url)
+ #TODO: only ask for nickname and email, if we don't already have a user for that openID, in which case
+ #email and nickname are already filled out. I don't know how to do that with ruby syntax though, as we
+ #don't want to duplicate the do block
+ #On the other hand it also doesn't matter too much if we ask every time, as the OpenID provider should
+ #remember these results, and shouldn't repromt the user for these data each time.
+ user = nil
+ authenticate_with_open_id(openid_url, :return_to => request.protocol + request.host_with_port + '/login?referer=' + params[:referer], :optional => [:nickname, :email]) do |result, identity_url, registration|
+ if result.successful?
+ #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.
+ #e.g. one can simply enter yahoo.com in the login box, i.e. no user specific url
+ #only once it comes back from the OpenID provider do we know the unique address for
+ #the user.
+ user = User.find_by_openid_url(identity_url)
+ if user
+ if user.visible? and user.active?
+ session[:user] = user.id
+ session_expires_after 1.month if session[:remember]
+ return user
+ else
+ user = nil
+ flash.now[:error] = t 'user.login.account not active'
+ end
+ else
+ #We don't have a user registered to this OpenID. Redirect to the create account page
+ #with username and email filled in if they have been given by the OpenID provider through
+ #the simple registration protocol
+ redirect_to :controller => 'user', :action => 'new', :nickname => registration['nickname'], :email => registration['email'], :openid => identity_url
+ end
+ else if result.missing?
+ #Try and apply some heuristics to make common cases more userfriendly
+ mapped_id = openid_specialcase_mapping(openid_url)
+ if mapped_id
+ open_id_authentication(mapped_id)
+ else
+ flash.now[:error] = t 'user.login.openid missing provider'
+ end
+ else if result.invalid?
+ flash.now[:error] = t 'user.login.openid invalid'
+ else
+ flash.now[:error] = t 'user.login.auth failure'
+ end
+ end
+ end
+ end
+ return user
+ end
+
+ def go_public
+ @user.data_public = true
+ @user.save
+ flash[:notice] = t 'user.go_public.flash success'
+ redirect_to :controller => 'user', :action => 'account', :display_name => @user.display_name
+ end
+
+ def lost_password
+ @title = t 'user.lost_password.title'
+
+ if params[:user] and params[:user][:email]
+ user = User.find_by_email(params[:user][:email], :conditions => {:visible => true})
+
+ if user
+ token = user.tokens.create
+ Notifier.deliver_lost_password(user, token)
+ flash[:notice] = t 'user.lost_password.notice email on way'
+ redirect_to :action => 'login'
+ else
+ flash.now[:error] = t 'user.lost_password.notice email cannot find'
+ end
+ end
+ end
+
+ def reset_password
+ @title = t 'user.reset_password.title'
+
+ if params[:token]
+ token = UserToken.find_by_token(params[:token])
+
+ if token
+ @user = token.user
+
+ if params[:user]
+ @user.pass_crypt = params[:user][:pass_crypt]
+ @user.pass_crypt_confirmation = params[:user][:pass_crypt_confirmation]
+ @user.active = true
+ @user.email_valid = true
+
+ if @user.save
+ token.destroy
+ flash[:notice] = t 'user.reset_password.flash changed'
+ redirect_to :action => 'login'
+ end
+ end
+ else
+ flash[:error] = t 'user.reset_password.flash token bad'
+ redirect_to :action => 'lost_password'
+ end
+ end