app/controllers/users_controller.rb

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