app/controllers/users_controller.rb

   1 class UsersController < ApplicationController
   2   include SessionMethods
   3   include UserMethods
   4
   5   layout "site"
   6
   7   skip_before_action :verify_authenticity_token, :only => [:auth_success]
   8   before_action :disable_terms_redirect, :only => [:terms, :save]
   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   before_action :allow_thirdparty_images, :only => [:show]
  19
  20   def terms
  21     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
  22     @text = OSM.legal_text_for_country(@legale)
  23
  24     if request.xhr?
  25       render :partial => "terms"
  26     else
  27       @title = t "users.terms.title"
  28
  29       if current_user&.terms_agreed?
  30         # Already agreed to terms, so just show settings
  31         redirect_to edit_account_path
  32       elsif current_user.nil? && session[:new_user].nil?
  33         redirect_to login_path(:referer => request.fullpath)
  34       end
  35     end
  36   end
  37
  38   def save
  39     @title = t "users.new.title"
  40
  41     if params[:decline] || !(params[:read_tou] && params[:read_ct])
  42       if current_user
  43         current_user.terms_seen = true
  44
  45         flash[:notice] = { :partial => "users/terms_declined_flash" } if current_user.save
  46
  47         referer = safe_referer(params[:referer]) if params[:referer]
  48
  49         redirect_to referer || edit_account_path
  50       elsif params[:decline]
  51         redirect_to t("users.terms.declined")
  52       else
  53         redirect_to :action => :terms
  54       end
  55     elsif current_user
  56       unless current_user.terms_agreed?
  57         current_user.consider_pd = params[:user][:consider_pd]
  58         current_user.tou_agreed = Time.now.utc
  59         current_user.terms_agreed = Time.now.utc
  60         current_user.terms_seen = true
  61
  62         flash[:notice] = t "users.new.terms accepted" if current_user.save
  63       end
  64
  65       referer = safe_referer(params[:referer]) if params[:referer]
  66
  67       redirect_to referer || edit_account_path
  68     else
  69       self.current_user = session.delete(:new_user)
  70
  71       if check_signup_allowed(current_user.email)
  72         current_user.data_public = true
  73         current_user.description = "" if current_user.description.nil?
  74         current_user.creation_ip = request.remote_ip
  75         current_user.languages = http_accept_language.user_preferred_languages
  76         current_user.terms_agreed = Time.now.utc
  77         current_user.tou_agreed = Time.now.utc
  78         current_user.terms_seen = true
  79
  80         if current_user.auth_uid.blank?
  81           current_user.auth_provider = nil
  82           current_user.auth_uid = nil
  83         end
  84
  85         if current_user.save
  86           flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
  87
  88           referer = welcome_path
  89
  90           begin
  91             uri = URI(session[:referer])
  92             %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
  93               editor = Rack::Utils.parse_query(uri.query).slice("editor")
  94               referer = welcome_path({ "zoom" => m[1],
  95                                        "lat" => m[2],
  96                                        "lon" => m[3] }.merge(editor))
  97             end
  98           rescue StandardError
  99             # Use default
 100           end
 101
 102           if current_user.status == "active"
 103             session[:referer] = referer
 104             successful_login(current_user)
 105           else
 106             session[:token] = current_user.tokens.create.token
 107             UserMailer.signup_confirm(current_user, current_user.tokens.create(:referer => referer)).deliver_later
 108             redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 109           end
 110         else
 111           render :action => "new", :referer => params[:referer]
 112         end
 113       end
 114     end
 115   end
 116
 117   def go_public
 118     current_user.data_public = true
 119     current_user.save
 120     flash[:notice] = t "users.go_public.flash success"
 121     redirect_to edit_account_path
 122   end
 123
 124   def new
 125     @title = t "users.new.title"
 126     @referer = if params[:referer]
 127                  safe_referer(params[:referer])
 128                else
 129                  session[:referer]
 130                end
 131
 132     append_content_security_policy_directives(
 133       :form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
 134     )
 135
 136     if current_user
 137       # The user is logged in already, so don't show them the signup
 138       # page, instead send them to the home page
 139       redirect_to @referer || { :controller => "site", :action => "index" }
 140     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
 141       self.current_user = User.new(:email => params[:email],
 142                                    :email_confirmation => params[:email],
 143                                    :display_name => params[:nickname],
 144                                    :auth_provider => params[:auth_provider],
 145                                    :auth_uid => params[:auth_uid])
 146
 147       flash.now[:notice] = render_to_string :partial => "auth_association"
 148     else
 149       check_signup_allowed
 150
 151       self.current_user = User.new
 152     end
 153   end
 154
 155   def create
 156     self.current_user = User.new(user_params)
 157
 158     if check_signup_allowed(current_user.email)
 159       session[:referer] = safe_referer(params[:referer]) if params[:referer]
 160
 161       Rails.logger.info "create: #{session[:referer]}"
 162
 163       if current_user.auth_provider.present? && current_user.pass_crypt.empty?
 164         # We are creating an account with external authentication and
 165         # no password was specified so create a random one
 166         current_user.pass_crypt = SecureRandom.base64(16)
 167         current_user.pass_crypt_confirmation = current_user.pass_crypt
 168       end
 169
 170       if current_user.invalid?
 171         # Something is wrong with a new user, so rerender the form
 172         render :action => "new"
 173       elsif current_user.auth_provider.present?
 174         # Verify external authenticator before moving on
 175         session[:new_user] = current_user
 176         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
 177       else
 178         # Save the user record
 179         session[:new_user] = current_user
 180         redirect_to :action => :terms
 181       end
 182     end
 183   end
 184
 185   def show
 186     @user = User.find_by(:display_name => params[:display_name])
 187
 188     if @user &&
 189        (@user.visible? || current_user&.administrator?)
 190       @title = @user.display_name
 191     else
 192       render_unknown_user params[:display_name]
 193     end
 194   end
 195
 196   ##
 197   # sets a user's status
 198   def set_status
 199     @user.activate! if params[:event] == "activate"
 200     @user.confirm! if params[:event] == "confirm"
 201     @user.unconfirm! if params[:event] == "unconfirm"
 202     @user.hide! if params[:event] == "hide"
 203     @user.unhide! if params[:event] == "unhide"
 204     @user.unsuspend! if params[:event] == "unsuspend"
 205     redirect_to user_path(:display_name => params[:display_name])
 206   end
 207
 208   ##
 209   # destroy a user, marking them as deleted and removing personal data
 210   def destroy
 211     @user.soft_destroy!
 212     redirect_to user_path(:display_name => params[:display_name])
 213   end
 214
 215   ##
 216   # display a list of users matching specified criteria
 217   def index
 218     if request.post?
 219       ids = params[:user].keys.collect(&:to_i)
 220
 221       User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
 222       User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
 223
 224       redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
 225     else
 226       @params = params.permit(:status, :ip)
 227
 228       conditions = {}
 229       conditions[:status] = @params[:status] if @params[:status]
 230       conditions[:creation_ip] = @params[:ip] if @params[:ip]
 231
 232       @user_pages, @users = paginate(:users,
 233                                      :conditions => conditions,
 234                                      :order => :id,
 235                                      :per_page => 50)
 236     end
 237   end
 238
 239   ##
 240   # omniauth success callback
 241   def auth_success
 242     auth_info = request.env["omniauth.auth"]
 243
 244     provider = auth_info[:provider]
 245     uid = auth_info[:uid]
 246     name = auth_info[:info][:name]
 247     email = auth_info[:info][:email]
 248
 249     email_verified = case provider
 250                      when "openid"
 251                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 252                        uid.match(%r{https://me.yahoo.com/(.*)})
 253                      when "google", "facebook"
 254                        true
 255                      else
 256                        false
 257                      end
 258
 259     if settings = session.delete(:new_user_settings)
 260       current_user.auth_provider = provider
 261       current_user.auth_uid = uid
 262
 263       update_user(current_user, settings)
 264
 265       flash.discard
 266
 267       session[:user_errors] = current_user.errors.as_json
 268
 269       redirect_to edit_account_path
 270     elsif session[:new_user]
 271       session[:new_user].auth_provider = provider
 272       session[:new_user].auth_uid = uid
 273
 274       session[:new_user].activate if email_verified && email == session[:new_user].email
 275
 276       redirect_to :action => "terms"
 277     else
 278       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 279
 280       if user.nil? && provider == "google"
 281         openid_url = auth_info[:extra][:id_info]["openid_id"]
 282         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 283         user&.update(:auth_provider => provider, :auth_uid => uid)
 284       end
 285
 286       if user
 287         case user.status
 288         when "pending"
 289           unconfirmed_login(user)
 290         when "active", "confirmed"
 291           successful_login(user, request.env["omniauth.params"]["referer"])
 292         when "suspended"
 293           failed_login t("sessions.new.account is suspended", :webmaster => "mailto:#{Settings.support_email}").html_safe
 294         else
 295           failed_login t("sessions.new.auth failure")
 296         end
 297       else
 298         redirect_to :action => "new", :nickname => name, :email => email,
 299                     :auth_provider => provider, :auth_uid => uid
 300       end
 301     end
 302   end
 303
 304   ##
 305   # omniauth failure callback
 306   def auth_failure
 307     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t("users.auth_failure.unknown_error"))
 308
 309     origin = safe_referer(params[:origin]) if params[:origin]
 310
 311     redirect_to origin || login_url
 312   end
 313
 314   private
 315
 316   ##
 317   # ensure that there is a "user" instance variable
 318   def lookup_user_by_name
 319     @user = User.find_by(:display_name => params[:display_name])
 320   rescue ActiveRecord::RecordNotFound
 321     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 322   end
 323
 324   ##
 325   # return permitted user parameters
 326   def user_params
 327     params.require(:user).permit(:email, :email_confirmation, :display_name,
 328                                  :auth_provider, :auth_uid,
 329                                  :pass_crypt, :pass_crypt_confirmation)
 330   end
 331
 332   ##
 333   # check signup acls
 334   def check_signup_allowed(email = nil)
 335     domain = if email.nil?
 336                nil
 337              else
 338                email.split("@").last
 339              end
 340
 341     mx_servers = if domain.nil?
 342                    nil
 343                  else
 344                    domain_mx_servers(domain)
 345                  end
 346
 347     if blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 348       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 349
 350       render :action => "blocked"
 351     end
 352
 353     !blocked
 354   end
 355
 356   ##
 357   # get list of MX servers for a domains
 358   def domain_mx_servers(domain)
 359     Resolv::DNS.open do |dns|
 360       dns.getresources(domain, Resolv::DNS::Resource::IN::MX).collect(&:exchange).collect(&:to_s)
 361     end
 362   end
 363 end