app/controllers/users_controller.rb

   1 class UsersController < ApplicationController
   2   include EmailMethods
   3   include SessionMethods
   4   include UserMethods
   5   include PaginationMethods
   6
   7   layout "site"
   8
   9   skip_before_action :verify_authenticity_token, :only => [:auth_success]
  10   before_action :disable_terms_redirect, :only => [:terms, :save]
  11   before_action :authorize_web
  12   before_action :set_locale
  13   before_action :check_database_readable
  14
  15   authorize_resource
  16
  17   before_action :check_database_writable, :only => [:new, :go_public]
  18   before_action :require_cookies, :only => [:new]
  19   before_action :lookup_user_by_name, :only => [:set_status, :destroy]
  20   before_action :allow_thirdparty_images, :only => [:show]
  21
  22   ##
  23   # display a list of users matching specified criteria
  24   def index
  25     if request.post?
  26       ids = params[:user].keys.collect(&:to_i)
  27
  28       User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
  29       User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
  30
  31       redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
  32     else
  33       @params = params.permit(:status, :ip, :before, :after)
  34
  35       users = User.all
  36       users = users.where(:status => @params[:status]) if @params[:status]
  37       users = users.where(:creation_ip => @params[:ip]) if @params[:ip]
  38
  39       @users_count = users.count
  40       @users, @newer_users_id, @older_users_id = get_page_items(users, :limit => 50)
  41     end
  42   end
  43
  44   def show
  45     @user = User.find_by(:display_name => params[:display_name])
  46
  47     if @user &&
  48        (@user.visible? || current_user&.administrator?)
  49       @title = @user.display_name
  50     else
  51       render_unknown_user params[:display_name]
  52     end
  53   end
  54
  55   def new
  56     @title = t ".title"
  57     @referer = if params[:referer]
  58                  safe_referer(params[:referer])
  59                else
  60                  session[:referer]
  61                end
  62
  63     append_content_security_policy_directives(
  64       :form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
  65     )
  66
  67     if current_user
  68       # The user is logged in already, so don't show them the signup
  69       # page, instead send them to the home page
  70       redirect_to @referer || { :controller => "site", :action => "index" }
  71     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  72       @verified_email = params[:verified_email]
  73
  74       self.current_user = User.new(:email => params[:email],
  75                                    :display_name => params[:nickname],
  76                                    :auth_provider => params[:auth_provider],
  77                                    :auth_uid => params[:auth_uid])
  78
  79       flash.now[:notice] = render_to_string :partial => "auth_association"
  80
  81       # validate before displaying to show email field if it conflicts
  82       flash.now[:notice] = t ".duplicate_social_email" unless current_user.valid? && current_user.errors[:email].empty?
  83     else
  84       check_signup_allowed
  85
  86       self.current_user = User.new
  87     end
  88   end
  89
  90   def create
  91     self.current_user = User.new(user_params)
  92
  93     if check_signup_allowed(current_user.email)
  94       session[:referer] = safe_referer(params[:referer]) if params[:referer]
  95
  96       Rails.logger.info "create: #{session[:referer]}"
  97
  98       if current_user.auth_uid.present?
  99         # We are creating an account with external authentication and
 100         # no password was specified so create a random one
 101         current_user.pass_crypt = SecureRandom.base64(16)
 102         current_user.pass_crypt_confirmation = current_user.pass_crypt
 103       end
 104
 105       if current_user.invalid?
 106         # Something is wrong with a new user, so rerender the form
 107         render :action => "new"
 108       else
 109         # Save the user record
 110         save_new_user params[:verified_email]
 111       end
 112     end
 113   end
 114
 115   ##
 116   # destroy a user, marking them as deleted and removing personal data
 117   def destroy
 118     @user.soft_destroy!
 119     redirect_to user_path(:display_name => params[:display_name])
 120   end
 121
 122   def terms
 123     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
 124     @text = OSM.legal_text_for_country(@legale)
 125
 126     if request.xhr?
 127       render :partial => "terms"
 128     else
 129       @title = t ".title"
 130
 131       if current_user&.terms_agreed?
 132         # Already agreed to terms, so just show settings
 133         redirect_to edit_account_path
 134       elsif current_user.nil?
 135         redirect_to login_path(:referer => request.fullpath)
 136       end
 137     end
 138   end
 139
 140   def save
 141     @title = t "users.new.title"
 142
 143     if params[:decline] || !(params[:read_tou] && params[:read_ct])
 144       if current_user
 145         current_user.terms_seen = true
 146
 147         flash[:notice] = { :partial => "users/terms_declined_flash" } if current_user.save
 148
 149         referer = safe_referer(params[:referer]) if params[:referer]
 150
 151         redirect_to referer || edit_account_path
 152       elsif params[:decline]
 153         redirect_to t("users.terms.declined"), :allow_other_host => true
 154       else
 155         redirect_to :action => :terms
 156       end
 157     elsif current_user
 158       unless current_user.terms_agreed?
 159         current_user.consider_pd = params[:user][:consider_pd]
 160         current_user.tou_agreed = Time.now.utc
 161         current_user.terms_agreed = Time.now.utc
 162         current_user.terms_seen = true
 163
 164         flash[:notice] = t "users.new.terms accepted" if current_user.save
 165       end
 166
 167       referer = safe_referer(params[:referer]) if params[:referer]
 168
 169       redirect_to referer || edit_account_path
 170     end
 171   end
 172
 173   def go_public
 174     current_user.data_public = true
 175     current_user.save
 176     flash[:notice] = t ".flash success"
 177     redirect_to edit_account_path
 178   end
 179
 180   ##
 181   # sets a user's status
 182   def set_status
 183     @user.activate! if params[:event] == "activate"
 184     @user.confirm! if params[:event] == "confirm"
 185     @user.unconfirm! if params[:event] == "unconfirm"
 186     @user.hide! if params[:event] == "hide"
 187     @user.unhide! if params[:event] == "unhide"
 188     @user.unsuspend! if params[:event] == "unsuspend"
 189     redirect_to user_path(:display_name => params[:display_name])
 190   end
 191
 192   ##
 193   # omniauth success callback
 194   def auth_success
 195     auth_info = request.env["omniauth.auth"]
 196
 197     provider = auth_info[:provider]
 198     uid = auth_info[:uid]
 199     name = auth_info[:info][:name]
 200     email = auth_info[:info][:email]
 201
 202     email_verified = case provider
 203                      when "openid"
 204                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 205                        uid.match(%r{https://me.yahoo.com/(.*)})
 206                      when "google", "facebook", "microsoft", "github", "wikipedia"
 207                        true
 208                      else
 209                        false
 210                      end
 211
 212     if settings = session.delete(:new_user_settings)
 213       current_user.auth_provider = provider
 214       current_user.auth_uid = uid
 215
 216       update_user(current_user, settings)
 217
 218       flash.discard
 219
 220       session[:user_errors] = current_user.errors.as_json
 221
 222       redirect_to edit_account_path
 223     else
 224       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 225
 226       if user.nil? && provider == "google"
 227         openid_url = auth_info[:extra][:id_info]["openid_id"]
 228         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 229         user&.update(:auth_provider => provider, :auth_uid => uid)
 230       end
 231
 232       if user
 233         case user.status
 234         when "pending"
 235           unconfirmed_login(user)
 236         when "active", "confirmed"
 237           successful_login(user, request.env["omniauth.params"]["referer"])
 238         when "suspended"
 239           failed_login({ :partial => "sessions/suspended_flash" })
 240         else
 241           failed_login t("sessions.new.auth failure")
 242         end
 243       else
 244         verified_email = UsersController.message_hmac(email) if email_verified && email
 245         redirect_to :action => "new", :nickname => name, :email => email, :verified_email => verified_email,
 246                     :auth_provider => provider, :auth_uid => uid
 247       end
 248     end
 249   end
 250
 251   ##
 252   # omniauth failure callback
 253   def auth_failure
 254     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 255
 256     origin = safe_referer(params[:origin]) if params[:origin]
 257
 258     redirect_to origin || login_url
 259   end
 260
 261   def self.message_hmac(text)
 262     sha256 = Digest::SHA256.new
 263     sha256 << Rails.application.key_generator.generate_key("openstreetmap/verified_email")
 264     sha256 << text
 265     Base64.urlsafe_encode64(sha256.digest)
 266   end
 267
 268   private
 269
 270   def save_new_user(email_hmac)
 271     if check_signup_allowed(current_user.email)
 272       current_user.data_public = true
 273       current_user.description = "" if current_user.description.nil?
 274       current_user.creation_ip = request.remote_ip
 275       current_user.languages = http_accept_language.user_preferred_languages
 276       current_user.terms_agreed = Time.now.utc
 277       current_user.tou_agreed = Time.now.utc
 278       current_user.terms_seen = true
 279
 280       if current_user.auth_uid.blank?
 281         current_user.auth_provider = nil
 282         current_user.auth_uid = nil
 283       elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 284         current_user.activate
 285       end
 286
 287       if current_user.save
 288         SIGNUP_IP_LIMITER&.update(request.remote_ip)
 289         SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 290
 291         flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 292
 293         referer = welcome_path(welcome_options)
 294
 295         if current_user.status == "active"
 296           session[:referer] = referer
 297           successful_login(current_user)
 298         else
 299           session[:pending_user] = current_user.id
 300           UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
 301           redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 302         end
 303       else
 304         render :action => "new", :referer => params[:referer]
 305       end
 306     end
 307   end
 308
 309   def welcome_options
 310     uri = URI(session[:referer]) if session[:referer].present?
 311
 312     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 313
 314     begin
 315       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 316         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 317         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 318       end
 319     rescue StandardError
 320       # Use default
 321     end
 322   end
 323
 324   ##
 325   # ensure that there is a "user" instance variable
 326   def lookup_user_by_name
 327     @user = User.find_by(:display_name => params[:display_name])
 328   rescue ActiveRecord::RecordNotFound
 329     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 330   end
 331
 332   ##
 333   # return permitted user parameters
 334   def user_params
 335     params.require(:user).permit(:email, :display_name,
 336                                  :auth_provider, :auth_uid,
 337                                  :pass_crypt, :pass_crypt_confirmation,
 338                                  :consider_pd)
 339   end
 340
 341   ##
 342   # check signup acls
 343   def check_signup_allowed(email = nil)
 344     domain = if email.nil?
 345                nil
 346              else
 347                email.split("@").last
 348              end
 349
 350     mx_servers = if domain.nil?
 351                    nil
 352                  else
 353                    domain_mx_servers(domain)
 354                  end
 355
 356     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 357
 358     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 359
 360     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 361
 362     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 363
 364     if blocked
 365       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 366
 367       render :action => "blocked"
 368     end
 369
 370     !blocked
 371   end
 372 end