app/controllers/users_controller.rb

   1 class UsersController < ApplicationController
   2   include EmailMethods
   3   include SessionMethods
   4   include UserMethods
   5
   6   layout "site"
   7
   8   skip_before_action :verify_authenticity_token, :only => [:auth_success]
   9   before_action :authorize_web
  10   before_action :set_locale
  11   before_action :check_database_readable
  12
  13   authorize_resource
  14
  15   before_action :check_database_writable, :only => [:new, :go_public]
  16   before_action :require_cookies, :only => [:new]
  17   before_action :lookup_user_by_name, :only => [:set_status, :destroy]
  18
  19   allow_thirdparty_images :only => :show
  20   allow_social_login :only => :new
  21
  22   def show
  23     @user = User.find_by(:display_name => params[:display_name])
  24
  25     if @user &&
  26        (@user.visible? || current_user&.administrator?)
  27       @title = @user.display_name
  28     else
  29       render_unknown_user params[:display_name]
  30     end
  31   end
  32
  33   def new
  34     @title = t ".title"
  35     @referer = safe_referer(params[:referer])
  36
  37     parse_oauth_referer @referer
  38
  39     if current_user
  40       # The user is logged in already, so don't show them the signup
  41       # page, instead send them to the home page
  42       redirect_to @referer || { :controller => "site", :action => "index" }
  43     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  44       @email_hmac = params[:email_hmac]
  45
  46       self.current_user = User.new(:email => params[:email],
  47                                    :display_name => params[:nickname],
  48                                    :auth_provider => params[:auth_provider],
  49                                    :auth_uid => params[:auth_uid])
  50
  51       if current_user.valid? || current_user.errors[:email].empty?
  52         flash.now[:notice] = render_to_string :partial => "auth_association"
  53       else
  54         flash.now[:warning] = t ".duplicate_social_email"
  55       end
  56     else
  57       check_signup_allowed
  58
  59       self.current_user = User.new
  60     end
  61   end
  62
  63   def create
  64     self.current_user = User.new(user_params)
  65
  66     if check_signup_allowed(current_user.email)
  67       if current_user.auth_uid.present?
  68         # We are creating an account with external authentication and
  69         # no password was specified so create a random one
  70         current_user.pass_crypt = SecureRandom.base64(16)
  71         current_user.pass_crypt_confirmation = current_user.pass_crypt
  72       end
  73
  74       if current_user.invalid?
  75         # Something is wrong with a new user, so rerender the form
  76         render :action => "new"
  77       else
  78         # Save the user record
  79         if save_new_user params[:email_hmac]
  80           SIGNUP_IP_LIMITER&.update(request.remote_ip)
  81           SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
  82
  83           flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
  84
  85           referer = welcome_path(welcome_options(params[:referer]))
  86
  87           if current_user.status == "active"
  88             successful_login(current_user, referer)
  89           else
  90             session[:pending_user] = current_user.id
  91             UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
  92             redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
  93           end
  94         else
  95           render :action => "new", :referer => params[:referer]
  96         end
  97       end
  98     end
  99   end
 100
 101   ##
 102   # destroy a user, marking them as deleted and removing personal data
 103   def destroy
 104     @user.soft_destroy!
 105     redirect_to user_path(:display_name => params[:display_name])
 106   end
 107
 108   def go_public
 109     current_user.data_public = true
 110     current_user.save
 111     flash[:notice] = t ".flash success"
 112     redirect_to edit_account_path
 113   end
 114
 115   ##
 116   # sets a user's status
 117   def set_status
 118     @user.activate! if params[:event] == "activate"
 119     @user.confirm! if params[:event] == "confirm"
 120     @user.unconfirm! if params[:event] == "unconfirm"
 121     @user.hide! if params[:event] == "hide"
 122     @user.unhide! if params[:event] == "unhide"
 123     @user.unsuspend! if params[:event] == "unsuspend"
 124     redirect_to user_path(:display_name => params[:display_name])
 125   end
 126
 127   ##
 128   # omniauth success callback
 129   def auth_success
 130     referer = request.env["omniauth.params"]["referer"]
 131     auth_info = request.env["omniauth.auth"]
 132
 133     provider = auth_info[:provider]
 134     uid = auth_info[:uid]
 135     name = auth_info[:info][:name]
 136     email = auth_info[:info][:email]
 137
 138     email_verified = case provider
 139                      when "openid"
 140                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 141                        uid.match(%r{https://me.yahoo.com/(.*)})
 142                      when "google", "facebook", "microsoft", "github", "wikipedia"
 143                        true
 144                      else
 145                        false
 146                      end
 147
 148     if settings = session.delete(:new_user_settings)
 149       current_user.auth_provider = provider
 150       current_user.auth_uid = uid
 151
 152       update_user(current_user, settings)
 153
 154       flash.discard
 155
 156       session[:user_errors] = current_user.errors.as_json
 157
 158       redirect_to edit_account_path
 159     else
 160       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 161
 162       if user.nil? && provider == "google"
 163         openid_url = auth_info[:extra][:id_info]["openid_id"]
 164         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 165         user&.update(:auth_provider => provider, :auth_uid => uid)
 166       end
 167
 168       if user
 169         case user.status
 170         when "pending"
 171           unconfirmed_login(user, referer)
 172         when "active", "confirmed"
 173           successful_login(user, referer)
 174         when "suspended"
 175           failed_login({ :partial => "sessions/suspended_flash" }, user.display_name, referer)
 176         else
 177           failed_login(t("sessions.new.auth failure"), user.display_name, referer)
 178         end
 179       else
 180         email_hmac = UsersController.message_hmac(email) if email_verified && email
 181         redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
 182                     :auth_provider => provider, :auth_uid => uid, :referer => referer
 183       end
 184     end
 185   end
 186
 187   ##
 188   # omniauth failure callback
 189   def auth_failure
 190     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 191
 192     origin = safe_referer(params[:origin]) if params[:origin]
 193
 194     redirect_to origin || login_url
 195   end
 196
 197   def self.message_hmac(text)
 198     sha256 = Digest::SHA256.new
 199     sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
 200     sha256 << text
 201     Base64.urlsafe_encode64(sha256.digest)
 202   end
 203
 204   private
 205
 206   def save_new_user(email_hmac)
 207     current_user.data_public = true
 208     current_user.description = "" if current_user.description.nil?
 209     current_user.creation_address = request.remote_ip
 210     current_user.languages = http_accept_language.user_preferred_languages
 211     current_user.terms_agreed = Time.now.utc
 212     current_user.tou_agreed = Time.now.utc
 213     current_user.terms_seen = true
 214
 215     if current_user.auth_uid.blank?
 216       current_user.auth_provider = nil
 217       current_user.auth_uid = nil
 218     elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 219       current_user.activate
 220     end
 221
 222     current_user.save
 223   end
 224
 225   def welcome_options(referer = nil)
 226     uri = URI(referer) if referer.present?
 227
 228     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 229
 230     begin
 231       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 232         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 233         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 234       end
 235     rescue StandardError
 236       # Use default
 237     end
 238   end
 239
 240   ##
 241   # ensure that there is a "user" instance variable
 242   def lookup_user_by_name
 243     @user = User.find_by(:display_name => params[:display_name])
 244   rescue ActiveRecord::RecordNotFound
 245     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 246   end
 247
 248   ##
 249   # return permitted user parameters
 250   def user_params
 251     params.require(:user).permit(:email, :display_name,
 252                                  :auth_provider, :auth_uid,
 253                                  :pass_crypt, :pass_crypt_confirmation,
 254                                  :consider_pd)
 255   end
 256
 257   ##
 258   # check signup acls
 259   def check_signup_allowed(email = nil)
 260     domain = if email.nil?
 261                nil
 262              else
 263                email.split("@").last
 264              end
 265
 266     mx_servers = if domain.nil?
 267                    nil
 268                  else
 269                    domain_mx_servers(domain)
 270                  end
 271
 272     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 273
 274     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 275
 276     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 277
 278     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 279
 280     if blocked
 281       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 282
 283       render :action => "blocked"
 284     end
 285
 286     !blocked
 287   end
 288 end