app/controllers/confirmations_controller.rb

   1 class ConfirmationsController < ApplicationController
   2   include SessionMethods
   3
   4   layout "site"
   5
   6   before_action :authorize_web
   7   before_action :set_locale
   8   before_action :check_database_readable
   9
  10   authorize_resource :class => false
  11
  12   before_action :check_database_writable, :only => [:confirm, :confirm_email]
  13   before_action :require_cookies, :only => [:confirm]
  14
  15   def confirm
  16     if request.post?
  17       token = UserToken.find_by(:token => params[:confirm_string])
  18       if token&.user&.active?
  19         flash[:error] = t("confirmations.confirm.already active")
  20         redirect_to login_path
  21       elsif !token || token.expired?
  22         flash[:error] = t("confirmations.confirm.unknown token")
  23         redirect_to :action => "confirm"
  24       elsif !token.user.visible?
  25         render_unknown_user token.user.display_name
  26       else
  27         user = token.user
  28         user.status = "active"
  29         user.email_valid = true
  30         flash[:notice] = gravatar_status_message(user) if gravatar_enable(user)
  31         user.save!
  32         referer = safe_referer(token.referer) if token.referer
  33         token.destroy
  34
  35         if session[:token]
  36           token = UserToken.find_by(:token => session[:token])
  37           session.delete(:token)
  38         else
  39           token = nil
  40         end
  41
  42         if token.nil? || token.user != user
  43           flash[:notice] = t("confirmations.confirm.success")
  44           redirect_to login_path(:referer => referer)
  45         else
  46           token.destroy
  47
  48           session[:user] = user.id
  49           session[:fingerprint] = user.fingerprint
  50
  51           redirect_to referer || welcome_path
  52         end
  53       end
  54     else
  55       user = User.visible.find_by(:display_name => params[:display_name])
  56
  57       redirect_to root_path if user.nil? || user.active?
  58     end
  59   end
  60
  61   def confirm_resend
  62     user = User.visible.find_by(:display_name => params[:display_name])
  63     token = UserToken.find_by(:token => session[:token])
  64
  65     if user.nil? || token.nil? || token.user != user
  66       flash[:error] = t "confirmations.confirm_resend.failure", :name => params[:display_name]
  67     else
  68       UserMailer.signup_confirm(user, user.tokens.create).deliver_later
  69       flash[:notice] = t "confirmations.confirm_resend.success_html", :email => user.email, :sender => Settings.email_from
  70     end
  71
  72     redirect_to login_path
  73   end
  74
  75   def confirm_email
  76     if request.post?
  77       token = UserToken.find_by(:token => params[:confirm_string])
  78       if token&.user&.new_email?
  79         self.current_user = token.user
  80         current_user.email = current_user.new_email
  81         current_user.new_email = nil
  82         current_user.email_valid = true
  83         gravatar_enabled = gravatar_enable(current_user)
  84         if current_user.save
  85           flash[:notice] = if gravatar_enabled
  86                              "#{t('confirmations.confirm_email.success')} #{gravatar_status_message(current_user)}"
  87                            else
  88                              t("confirmations.confirm_email.success")
  89                            end
  90         else
  91           flash[:errors] = current_user.errors
  92         end
  93         current_user.tokens.delete_all
  94         session[:user] = current_user.id
  95         session[:fingerprint] = current_user.fingerprint
  96         redirect_to :controller => :users, :action => :account, :display_name => current_user.display_name
  97       elsif token
  98         flash[:error] = t "confirmations.confirm_email.failure"
  99         redirect_to :controller => :users, :action => :account, :display_name => token.user.display_name
 100       else
 101         flash[:error] = t "confirmations.confirm_email.unknown_token"
 102       end
 103     end
 104   end
 105
 106   private
 107
 108   ##
 109   # check if this user has a gravatar and set the user pref is true
 110   def gravatar_enable(user)
 111     # code from example https://en.gravatar.com/site/implement/images/ruby/
 112     return false if user.avatar.attached?
 113
 114     begin
 115       hash = Digest::MD5.hexdigest(user.email.downcase)
 116       url = "https://www.gravatar.com/avatar/#{hash}?d=404" # without d=404 we will always get an image back
 117       response = OSM.http_client.get(URI.parse(url))
 118       available = response.success?
 119     rescue StandardError
 120       available = false
 121     end
 122
 123     oldsetting = user.image_use_gravatar
 124     user.image_use_gravatar = available
 125     oldsetting != user.image_use_gravatar
 126   end
 127
 128   ##
 129   # display a message about th current status of the gravatar setting
 130   def gravatar_status_message(user)
 131     if user.image_use_gravatar
 132       t "users.account.gravatar.enabled"
 133     else
 134       t "users.account.gravatar.disabled"
 135     end
 136   end
 137 end