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 = safe_referer(params[:referer])
  58
  59     parse_oauth_referer @referer
  60
  61     append_content_security_policy_directives(
  62       :form_action => %w[accounts.google.com *.facebook.com login.live.com github.com meta.wikimedia.org]
  63     )
  64
  65     if current_user
  66       # The user is logged in already, so don't show them the signup
  67       # page, instead send them to the home page
  68       redirect_to @referer || { :controller => "site", :action => "index" }
  69     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
  70       @email_hmac = params[:email_hmac]
  71
  72       self.current_user = User.new(:email => params[:email],
  73                                    :display_name => params[:nickname],
  74                                    :auth_provider => params[:auth_provider],
  75                                    :auth_uid => params[:auth_uid])
  76
  77       if current_user.valid? || current_user.errors[:email].empty?
  78         flash.now[:notice] = render_to_string :partial => "auth_association"
  79       else
  80         flash.now[:warning] = t ".duplicate_social_email"
  81       end
  82     else
  83       check_signup_allowed
  84
  85       self.current_user = User.new
  86     end
  87   end
  88
  89   def create
  90     self.current_user = User.new(user_params)
  91
  92     if check_signup_allowed(current_user.email)
  93       if current_user.auth_uid.present?
  94         # We are creating an account with external authentication and
  95         # no password was specified so create a random one
  96         current_user.pass_crypt = SecureRandom.base64(16)
  97         current_user.pass_crypt_confirmation = current_user.pass_crypt
  98       end
  99
 100       if current_user.invalid?
 101         # Something is wrong with a new user, so rerender the form
 102         render :action => "new"
 103       elsif current_user.auth_provider.present?
 104         # Verify external authenticator before moving on
 105         session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
 106         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
 107       else
 108         # Save the user record
 109         session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
 110         save_new_user params[:email_hmac], params[:referer]
 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     referer = request.env["omniauth.params"]["referer"]
 196     auth_info = request.env["omniauth.auth"]
 197
 198     provider = auth_info[:provider]
 199     uid = auth_info[:uid]
 200     name = auth_info[:info][:name]
 201     email = auth_info[:info][:email]
 202
 203     email_verified = case provider
 204                      when "openid"
 205                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 206                        uid.match(%r{https://me.yahoo.com/(.*)})
 207                      when "google", "facebook", "microsoft", "github", "wikipedia"
 208                        true
 209                      else
 210                        false
 211                      end
 212
 213     if settings = session.delete(:new_user_settings)
 214       current_user.auth_provider = provider
 215       current_user.auth_uid = uid
 216
 217       update_user(current_user, settings)
 218
 219       flash.discard
 220
 221       session[:user_errors] = current_user.errors.as_json
 222
 223       redirect_to edit_account_path
 224     elsif session[:new_user]
 225       session[:new_user]["auth_provider"] = provider
 226       session[:new_user]["auth_uid"] = uid
 227
 228       email_hmac = UsersController.message_hmac(email) if email_verified && email
 229       save_new_user email_hmac, referer
 230     else
 231       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 232
 233       if user.nil? && provider == "google"
 234         openid_url = auth_info[:extra][:id_info]["openid_id"]
 235         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 236         user&.update(:auth_provider => provider, :auth_uid => uid)
 237       end
 238
 239       if user
 240         case user.status
 241         when "pending"
 242           unconfirmed_login(user, referer)
 243         when "active", "confirmed"
 244           successful_login(user, referer)
 245         when "suspended"
 246           failed_login({ :partial => "sessions/suspended_flash" }, user.display_name, referer)
 247         else
 248           failed_login(t("sessions.new.auth failure"), user.display_name, referer)
 249         end
 250       else
 251         email_hmac = UsersController.message_hmac(email) if email_verified && email
 252         redirect_to :action => "new", :nickname => name, :email => email, :email_hmac => email_hmac,
 253                     :auth_provider => provider, :auth_uid => uid
 254       end
 255     end
 256   end
 257
 258   ##
 259   # omniauth failure callback
 260   def auth_failure
 261     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 262
 263     origin = safe_referer(params[:origin]) if params[:origin]
 264
 265     redirect_to origin || login_url
 266   end
 267
 268   def self.message_hmac(text)
 269     sha256 = Digest::SHA256.new
 270     sha256 << Rails.application.key_generator.generate_key("openstreetmap/email_address")
 271     sha256 << text
 272     Base64.urlsafe_encode64(sha256.digest)
 273   end
 274
 275   private
 276
 277   def save_new_user(email_hmac, referer = nil)
 278     new_user = session.delete(:new_user)
 279     self.current_user = User.new(new_user)
 280     if check_signup_allowed(current_user.email)
 281       current_user.data_public = true
 282       current_user.description = "" if current_user.description.nil?
 283       current_user.creation_ip = request.remote_ip
 284       current_user.languages = http_accept_language.user_preferred_languages
 285       current_user.terms_agreed = Time.now.utc
 286       current_user.tou_agreed = Time.now.utc
 287       current_user.terms_seen = true
 288
 289       if current_user.auth_uid.blank?
 290         current_user.auth_provider = nil
 291         current_user.auth_uid = nil
 292       elsif email_hmac && ActiveSupport::SecurityUtils.secure_compare(email_hmac, UsersController.message_hmac(current_user.email))
 293         current_user.activate
 294       end
 295
 296       if current_user.save
 297         SIGNUP_IP_LIMITER&.update(request.remote_ip)
 298         SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 299
 300         flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 301
 302         referer = welcome_path(welcome_options(referer))
 303
 304         if current_user.status == "active"
 305           successful_login(current_user, referer)
 306         else
 307           session[:pending_user] = current_user.id
 308           UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
 309           redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 310         end
 311       else
 312         render :action => "new", :referer => params[:referer]
 313       end
 314     end
 315   end
 316
 317   def welcome_options(referer = nil)
 318     uri = URI(referer) if referer.present?
 319
 320     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 321
 322     begin
 323       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 324         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 325         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 326       end
 327     rescue StandardError
 328       # Use default
 329     end
 330   end
 331
 332   ##
 333   # ensure that there is a "user" instance variable
 334   def lookup_user_by_name
 335     @user = User.find_by(:display_name => params[:display_name])
 336   rescue ActiveRecord::RecordNotFound
 337     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 338   end
 339
 340   ##
 341   # return permitted user parameters
 342   def user_params
 343     params.require(:user).permit(:email, :display_name,
 344                                  :auth_provider, :auth_uid,
 345                                  :pass_crypt, :pass_crypt_confirmation,
 346                                  :consider_pd)
 347   end
 348
 349   ##
 350   # check signup acls
 351   def check_signup_allowed(email = nil)
 352     domain = if email.nil?
 353                nil
 354              else
 355                email.split("@").last
 356              end
 357
 358     mx_servers = if domain.nil?
 359                    nil
 360                  else
 361                    domain_mx_servers(domain)
 362                  end
 363
 364     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 365
 366     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 367
 368     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 369
 370     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 371
 372     if blocked
 373       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 374
 375       render :action => "blocked"
 376     end
 377
 378     !blocked
 379   end
 380 end