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       self.current_user = User.new(:email => params[:email],
  73                                    :email_confirmation => params[:email],
  74                                    :display_name => params[:nickname],
  75                                    :auth_provider => params[:auth_provider],
  76                                    :auth_uid => params[:auth_uid])
  77
  78       flash.now[:notice] = render_to_string :partial => "auth_association"
  79     else
  80       check_signup_allowed
  81
  82       self.current_user = User.new
  83     end
  84   end
  85
  86   def create
  87     self.current_user = User.new(user_params)
  88
  89     if check_signup_allowed(current_user.email)
  90       session[:referer] = safe_referer(params[:referer]) if params[:referer]
  91
  92       Rails.logger.info "create: #{session[:referer]}"
  93
  94       if current_user.auth_provider.present? && current_user.pass_crypt.empty?
  95         # We are creating an account with external authentication and
  96         # no password was specified so create a random one
  97         current_user.pass_crypt = SecureRandom.base64(16)
  98         current_user.pass_crypt_confirmation = current_user.pass_crypt
  99       end
 100
 101       if current_user.invalid?
 102         # Something is wrong with a new user, so rerender the form
 103         render :action => "new"
 104       elsif current_user.auth_provider.present?
 105         # Verify external authenticator before moving on
 106         session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
 107         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
 108       else
 109         # Save the user record
 110         session[:new_user] = current_user.slice("email", "display_name", "pass_crypt", "pass_crypt_confirmation")
 111         redirect_to :action => :terms
 112       end
 113     end
 114   end
 115
 116   ##
 117   # destroy a user, marking them as deleted and removing personal data
 118   def destroy
 119     @user.soft_destroy!
 120     redirect_to user_path(:display_name => params[:display_name])
 121   end
 122
 123   def terms
 124     @legale = params[:legale] || OSM.ip_to_country(request.remote_ip) || Settings.default_legale
 125     @text = OSM.legal_text_for_country(@legale)
 126
 127     if request.xhr?
 128       render :partial => "terms"
 129     else
 130       @title = t ".title"
 131
 132       if current_user&.terms_agreed?
 133         # Already agreed to terms, so just show settings
 134         redirect_to edit_account_path
 135       elsif current_user.nil? && session[:new_user].nil?
 136         redirect_to login_path(:referer => request.fullpath)
 137       end
 138     end
 139   end
 140
 141   def save
 142     @title = t "users.new.title"
 143
 144     if params[:decline] || !(params[:read_tou] && params[:read_ct])
 145       if current_user
 146         current_user.terms_seen = true
 147
 148         flash[:notice] = { :partial => "users/terms_declined_flash" } if current_user.save
 149
 150         referer = safe_referer(params[:referer]) if params[:referer]
 151
 152         redirect_to referer || edit_account_path
 153       elsif params[:decline]
 154         redirect_to t("users.terms.declined"), :allow_other_host => true
 155       else
 156         redirect_to :action => :terms
 157       end
 158     elsif current_user
 159       unless current_user.terms_agreed?
 160         current_user.consider_pd = params[:user][:consider_pd]
 161         current_user.tou_agreed = Time.now.utc
 162         current_user.terms_agreed = Time.now.utc
 163         current_user.terms_seen = true
 164
 165         flash[:notice] = t "users.new.terms accepted" if current_user.save
 166       end
 167
 168       referer = safe_referer(params[:referer]) if params[:referer]
 169
 170       redirect_to referer || edit_account_path
 171     else
 172       new_user = session.delete(:new_user)
 173       verified_email = new_user.delete("verified_email")
 174
 175       self.current_user = User.new(new_user)
 176
 177       if check_signup_allowed(current_user.email)
 178         current_user.data_public = true
 179         current_user.description = "" if current_user.description.nil?
 180         current_user.creation_ip = request.remote_ip
 181         current_user.languages = http_accept_language.user_preferred_languages
 182         current_user.terms_agreed = Time.now.utc
 183         current_user.tou_agreed = Time.now.utc
 184         current_user.terms_seen = true
 185
 186         if current_user.auth_uid.blank?
 187           current_user.auth_provider = nil
 188           current_user.auth_uid = nil
 189         elsif current_user.email == verified_email
 190           current_user.activate
 191         end
 192
 193         if current_user.save
 194           SIGNUP_IP_LIMITER&.update(request.remote_ip)
 195           SIGNUP_EMAIL_LIMITER&.update(canonical_email(current_user.email))
 196
 197           flash[:matomo_goal] = Settings.matomo["goals"]["signup"] if defined?(Settings.matomo)
 198
 199           referer = welcome_path(welcome_options)
 200
 201           if current_user.status == "active"
 202             session[:referer] = referer
 203             successful_login(current_user)
 204           else
 205             session[:pending_user] = current_user.id
 206             UserMailer.signup_confirm(current_user, current_user.generate_token_for(:new_user), referer).deliver_later
 207             redirect_to :controller => :confirmations, :action => :confirm, :display_name => current_user.display_name
 208           end
 209         else
 210           render :action => "new", :referer => params[:referer]
 211         end
 212       end
 213     end
 214   end
 215
 216   def go_public
 217     current_user.data_public = true
 218     current_user.save
 219     flash[:notice] = t ".flash success"
 220     redirect_to edit_account_path
 221   end
 222
 223   ##
 224   # sets a user's status
 225   def set_status
 226     @user.activate! if params[:event] == "activate"
 227     @user.confirm! if params[:event] == "confirm"
 228     @user.unconfirm! if params[:event] == "unconfirm"
 229     @user.hide! if params[:event] == "hide"
 230     @user.unhide! if params[:event] == "unhide"
 231     @user.unsuspend! if params[:event] == "unsuspend"
 232     redirect_to user_path(:display_name => params[:display_name])
 233   end
 234
 235   ##
 236   # omniauth success callback
 237   def auth_success
 238     auth_info = request.env["omniauth.auth"]
 239
 240     provider = auth_info[:provider]
 241     uid = auth_info[:uid]
 242     name = auth_info[:info][:name]
 243     email = auth_info[:info][:email]
 244
 245     email_verified = case provider
 246                      when "openid"
 247                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 248                        uid.match(%r{https://me.yahoo.com/(.*)})
 249                      when "google", "facebook", "microsoft", "github", "wikipedia"
 250                        true
 251                      else
 252                        false
 253                      end
 254
 255     if settings = session.delete(:new_user_settings)
 256       current_user.auth_provider = provider
 257       current_user.auth_uid = uid
 258
 259       update_user(current_user, settings)
 260
 261       flash.discard
 262
 263       session[:user_errors] = current_user.errors.as_json
 264
 265       redirect_to edit_account_path
 266     elsif session[:new_user]
 267       session[:new_user]["auth_provider"] = provider
 268       session[:new_user]["auth_uid"] = uid
 269       session[:new_user]["verified_email"] = email if email_verified
 270
 271       redirect_to :action => "terms"
 272     else
 273       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 274
 275       if user.nil? && provider == "google"
 276         openid_url = auth_info[:extra][:id_info]["openid_id"]
 277         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 278         user&.update(:auth_provider => provider, :auth_uid => uid)
 279       end
 280
 281       if user
 282         case user.status
 283         when "pending"
 284           unconfirmed_login(user)
 285         when "active", "confirmed"
 286           successful_login(user, request.env["omniauth.params"]["referer"])
 287         when "suspended"
 288           failed_login({ :partial => "sessions/suspended_flash" })
 289         else
 290           failed_login t("sessions.new.auth failure")
 291         end
 292       else
 293         redirect_to :action => "new", :nickname => name, :email => email,
 294                     :auth_provider => provider, :auth_uid => uid
 295       end
 296     end
 297   end
 298
 299   ##
 300   # omniauth failure callback
 301   def auth_failure
 302     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t(".unknown_error"))
 303
 304     origin = safe_referer(params[:origin]) if params[:origin]
 305
 306     redirect_to origin || login_url
 307   end
 308
 309   private
 310
 311   def welcome_options
 312     uri = URI(session[:referer]) if session[:referer].present?
 313
 314     return { "oauth_return_url" => uri&.to_s } if uri&.path == oauth_authorization_path
 315
 316     begin
 317       %r{map=(.*)/(.*)/(.*)}.match(uri.fragment) do |m|
 318         editor = Rack::Utils.parse_query(uri.query).slice("editor")
 319         return { "zoom" => m[1], "lat" => m[2], "lon" => m[3] }.merge(editor)
 320       end
 321     rescue StandardError
 322       # Use default
 323     end
 324   end
 325
 326   ##
 327   # ensure that there is a "user" instance variable
 328   def lookup_user_by_name
 329     @user = User.find_by(:display_name => params[:display_name])
 330   rescue ActiveRecord::RecordNotFound
 331     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 332   end
 333
 334   ##
 335   # return permitted user parameters
 336   def user_params
 337     params.require(:user).permit(:email, :email_confirmation, :display_name,
 338                                  :auth_provider, :auth_uid,
 339                                  :pass_crypt, :pass_crypt_confirmation)
 340   end
 341
 342   ##
 343   # check signup acls
 344   def check_signup_allowed(email = nil)
 345     domain = if email.nil?
 346                nil
 347              else
 348                email.split("@").last
 349              end
 350
 351     mx_servers = if domain.nil?
 352                    nil
 353                  else
 354                    domain_mx_servers(domain)
 355                  end
 356
 357     return true if Acl.allow_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 358
 359     blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 360
 361     blocked ||= SIGNUP_IP_LIMITER && !SIGNUP_IP_LIMITER.allow?(request.remote_ip)
 362
 363     blocked ||= email && SIGNUP_EMAIL_LIMITER && !SIGNUP_EMAIL_LIMITER.allow?(canonical_email(email))
 364
 365     if blocked
 366       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 367
 368       render :action => "blocked"
 369     end
 370
 371     !blocked
 372   end
 373 end