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.getutc
  59         current_user.terms_agreed = Time.now.getutc
  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.getutc
  77         current_user.tou_agreed = Time.now.getutc
  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[:piwik_goal] = PIWIK["goals"]["signup"] if defined?(PIWIK)
  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       if @referer
 140         redirect_to @referer
 141       else
 142         redirect_to :controller => "site", :action => "index"
 143       end
 144     elsif params.key?(:auth_provider) && params.key?(:auth_uid)
 145       self.current_user = User.new(:email => params[:email],
 146                                    :email_confirmation => params[:email],
 147                                    :display_name => params[:nickname],
 148                                    :auth_provider => params[:auth_provider],
 149                                    :auth_uid => params[:auth_uid])
 150
 151       flash.now[:notice] = render_to_string :partial => "auth_association"
 152     else
 153       check_signup_allowed
 154
 155       self.current_user = User.new
 156     end
 157   end
 158
 159   def create
 160     self.current_user = User.new(user_params)
 161
 162     if check_signup_allowed(current_user.email)
 163       session[:referer] = safe_referer(params[:referer]) if params[:referer]
 164
 165       Rails.logger.info "create: #{session[:referer]}"
 166
 167       current_user.status = "pending"
 168
 169       if current_user.auth_provider.present? && current_user.pass_crypt.empty?
 170         # We are creating an account with external authentication and
 171         # no password was specified so create a random one
 172         current_user.pass_crypt = SecureRandom.base64(16)
 173         current_user.pass_crypt_confirmation = current_user.pass_crypt
 174       end
 175
 176       if current_user.invalid?
 177         # Something is wrong with a new user, so rerender the form
 178         render :action => "new"
 179       elsif current_user.auth_provider.present?
 180         # Verify external authenticator before moving on
 181         session[:new_user] = current_user
 182         redirect_to auth_url(current_user.auth_provider, current_user.auth_uid), :status => :temporary_redirect
 183       else
 184         # Save the user record
 185         session[:new_user] = current_user
 186         redirect_to :action => :terms
 187       end
 188     end
 189   end
 190
 191   def show
 192     @user = User.find_by(:display_name => params[:display_name])
 193
 194     if @user &&
 195        (@user.visible? || current_user&.administrator?)
 196       @title = @user.display_name
 197     else
 198       render_unknown_user params[:display_name]
 199     end
 200   end
 201
 202   ##
 203   # sets a user's status
 204   def set_status
 205     @user.status = params[:status]
 206     @user.save
 207     redirect_to user_path(:display_name => params[:display_name])
 208   end
 209
 210   ##
 211   # delete a user, marking them as deleted and removing personal data
 212   def destroy
 213     @user.delete
 214     redirect_to user_path(:display_name => params[:display_name])
 215   end
 216
 217   ##
 218   # display a list of users matching specified criteria
 219   def index
 220     if request.post?
 221       ids = params[:user].keys.collect(&:to_i)
 222
 223       User.where(:id => ids).update_all(:status => "confirmed") if params[:confirm]
 224       User.where(:id => ids).update_all(:status => "deleted") if params[:hide]
 225
 226       redirect_to url_for(:status => params[:status], :ip => params[:ip], :page => params[:page])
 227     else
 228       @params = params.permit(:status, :ip)
 229
 230       conditions = {}
 231       conditions[:status] = @params[:status] if @params[:status]
 232       conditions[:creation_ip] = @params[:ip] if @params[:ip]
 233
 234       @user_pages, @users = paginate(:users,
 235                                      :conditions => conditions,
 236                                      :order => :id,
 237                                      :per_page => 50)
 238     end
 239   end
 240
 241   ##
 242   # omniauth success callback
 243   def auth_success
 244     auth_info = request.env["omniauth.auth"]
 245
 246     provider = auth_info[:provider]
 247     uid = auth_info[:uid]
 248     name = auth_info[:info][:name]
 249     email = auth_info[:info][:email]
 250
 251     email_verified = case provider
 252                      when "openid"
 253                        uid.match(%r{https://www.google.com/accounts/o8/id?(.*)}) ||
 254                        uid.match(%r{https://me.yahoo.com/(.*)})
 255                      when "google", "facebook"
 256                        true
 257                      else
 258                        false
 259                      end
 260
 261     if settings = session.delete(:new_user_settings)
 262       current_user.auth_provider = provider
 263       current_user.auth_uid = uid
 264
 265       update_user(current_user, settings)
 266
 267       flash.discard
 268
 269       session[:user_errors] = current_user.errors.as_json
 270
 271       redirect_to edit_account_path
 272     elsif session[:new_user]
 273       session[:new_user].auth_provider = provider
 274       session[:new_user].auth_uid = uid
 275
 276       session[:new_user].status = "active" if email_verified && email == session[:new_user].email
 277
 278       redirect_to :action => "terms"
 279     else
 280       user = User.find_by(:auth_provider => provider, :auth_uid => uid)
 281
 282       if user.nil? && provider == "google"
 283         openid_url = auth_info[:extra][:id_info]["openid_id"]
 284         user = User.find_by(:auth_provider => "openid", :auth_uid => openid_url) if openid_url
 285         user&.update(:auth_provider => provider, :auth_uid => uid)
 286       end
 287
 288       if user
 289         case user.status
 290         when "pending"
 291           unconfirmed_login(user)
 292         when "active", "confirmed"
 293           successful_login(user, request.env["omniauth.params"]["referer"])
 294         when "suspended"
 295           failed_login t("sessions.new.account is suspended", :webmaster => "mailto:#{Settings.support_email}").html_safe
 296         else
 297           failed_login t("sessions.new.auth failure")
 298         end
 299       else
 300         redirect_to :action => "new", :nickname => name, :email => email,
 301                     :auth_provider => provider, :auth_uid => uid
 302       end
 303     end
 304   end
 305
 306   ##
 307   # omniauth failure callback
 308   def auth_failure
 309     flash[:error] = t(params[:message], :scope => "users.auth_failure", :default => t("users.auth_failure.unknown_error"))
 310
 311     origin = safe_referer(params[:origin]) if params[:origin]
 312
 313     redirect_to origin || login_url
 314   end
 315
 316   private
 317
 318   ##
 319   # ensure that there is a "user" instance variable
 320   def lookup_user_by_name
 321     @user = User.find_by(:display_name => params[:display_name])
 322   rescue ActiveRecord::RecordNotFound
 323     redirect_to :action => "view", :display_name => params[:display_name] unless @user
 324   end
 325
 326   ##
 327   # return permitted user parameters
 328   def user_params
 329     params.require(:user).permit(:email, :email_confirmation, :display_name,
 330                                  :auth_provider, :auth_uid,
 331                                  :pass_crypt, :pass_crypt_confirmation)
 332   end
 333
 334   ##
 335   # check signup acls
 336   def check_signup_allowed(email = nil)
 337     domain = if email.nil?
 338                nil
 339              else
 340                email.split("@").last
 341              end
 342
 343     mx_servers = if domain.nil?
 344                    nil
 345                  else
 346                    domain_mx_servers(domain)
 347                  end
 348
 349     if blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
 350       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 351
 352       render :action => "blocked"
 353     end
 354
 355     !blocked
 356   end
 357
 358   ##
 359   # get list of MX servers for a domains
 360   def domain_mx_servers(domain)
 361     Resolv::DNS.open do |dns|
 362       dns.getresources(domain, Resolv::DNS::Resource::IN::MX).collect(&:exchange).collect(&:to_s)
 363     end
 364   end
 365 end