Rework user#set_status and #delete to avoid GET requests

[rails.git] / app / controllers / users_controller.rb

diff --git a/app/controllers/users_controller.rb b/app/controllers/users_controller.rb
index bbe60e39ca231349224c89a8156faeaec10f486a..676f8d8f997f97e7816b02fd869fc1816d613bdb 100644 (file)
--- a/app/controllers/users_controller.rb
+++ b/app/controllers/users_controller.rb
@@ -10,9 +10,9 @@ class UsersController < ApplicationController
   authorize_resource
 
   before_action :require_self, :only => [:account]
-  before_action :check_database_writable, :only => [:new, :account, :confirm, :confirm_email, :lost_password, :reset_password, :go_public, :make_friend, :remove_friend]
+  before_action :check_database_writable, :only => [:new, :account, :confirm, :confirm_email, :lost_password, :reset_password, :go_public]
   before_action :require_cookies, :only => [:new, :login, :confirm]
-  before_action :lookup_user_by_name, :only => [:set_status, :delete]
+  before_action :lookup_user_by_name, :only => [:set_status, :destroy]
   before_action :allow_thirdparty_images, :only => [:show, :account]
 
   def terms
@@ -36,7 +36,7 @@ class UsersController < ApplicationController
   def save
     @title = t "users.new.title"
 
-    if params[:decline] || !params[:read_tou] || params[:read_tou] == 0
+    if params[:decline] || !(params[:read_tou] && params[:read_ct])
       if current_user
         current_user.terms_seen = true
 
@@ -269,7 +269,7 @@ class UsersController < ApplicationController
   def logout
     @title = t "users.logout.title"
 
-    if params[:session] == session.id
+    if request.post?
       if session[:token]
         token = UserToken.find_by(:token => session[:token])
         token&.destroy
@@ -376,64 +376,13 @@ class UsersController < ApplicationController
     @user = User.find_by(:display_name => params[:display_name])
 
     if @user &&
-       (@user.visible? || (current_user&.administrator?))
+       (@user.visible? || current_user&.administrator?)
       @title = @user.display_name
     else
       render_unknown_user params[:display_name]
     end
   end
 
-  def make_friend
-    @new_friend = User.find_by(:display_name => params[:display_name])
-
-    if @new_friend
-      if request.post?
-        friend = Friend.new
-        friend.befriender = current_user
-        friend.befriendee = @new_friend
-        if current_user.is_friends_with?(@new_friend)
-          flash[:warning] = t "users.make_friend.already_a_friend", :name => @new_friend.display_name
-        elsif friend.save
-          flash[:notice] = t "users.make_friend.success", :name => @new_friend.display_name
-          Notifier.friend_notification(friend).deliver_later
-        else
-          friend.add_error(t("users.make_friend.failed", :name => @new_friend.display_name))
-        end
-
-        if params[:referer]
-          redirect_to params[:referer]
-        else
-          redirect_to :action => "show"
-        end
-      end
-    else
-      render_unknown_user params[:display_name]
-    end
-  end
-
-  def remove_friend
-    @friend = User.find_by(:display_name => params[:display_name])
-
-    if @friend
-      if request.post?
-        if current_user.is_friends_with?(@friend)
-          Friend.where(:user_id => current_user.id, :friend_user_id => @friend.id).delete_all
-          flash[:notice] = t "users.remove_friend.success", :name => @friend.display_name
-        else
-          flash[:error] = t "users.remove_friend.not_a_friend", :name => @friend.display_name
-        end
-
-        if params[:referer]
-          redirect_to params[:referer]
-        else
-          redirect_to :action => "show"
-        end
-      end
-    else
-      render_unknown_user params[:display_name]
-    end
-  end
-
   ##
   # sets a user's status
   def set_status
@@ -444,7 +393,7 @@ class UsersController < ApplicationController
 
   ##
   # delete a user, marking them as deleted and removing personal data
-  def delete
+  def destroy
     @user.delete
     redirect_to user_path(:display_name => params[:display_name])
   end
@@ -520,11 +469,11 @@ class UsersController < ApplicationController
 
       if user
         case user.status
-        when "pending" then
+        when "pending"
           unconfirmed_login(user)
-        when "active", "confirmed" then
+        when "active", "confirmed"
           successful_login(user, request.env["omniauth.params"]["referer"])
-        when "suspended" then
+        when "suspended"
           failed_login t("users.login.account is suspended", :webmaster => "mailto:#{Settings.support_email}").html_safe
         else
           failed_login t("users.login.auth failure")
@@ -660,15 +609,15 @@ class UsersController < ApplicationController
 
     user.languages = params[:user][:languages].split(",")
 
-    case params[:image_action]
+    case params[:avatar_action]
     when "new" then
-      user.image = params[:user][:image]
+      user.avatar.attach(params[:user][:avatar])
       user.image_use_gravatar = false
     when "delete" then
-      user.image = nil
+      user.avatar.purge_later
       user.image_use_gravatar = false
     when "gravatar" then
-      user.image = nil
+      user.avatar.purge_later
       user.image_use_gravatar = true
     end
 
@@ -752,7 +701,13 @@ class UsersController < ApplicationController
                email.split("@").last
              end
 
-    if blocked = Acl.no_account_creation(request.remote_ip, domain)
+    mx_servers = if domain.nil?
+                   nil
+                 else
+                   domain_mx_servers(domain)
+                 end
+
+    if blocked = Acl.no_account_creation(request.remote_ip, :domain => domain, :mx => mx_servers)
       logger.info "Blocked signup from #{request.remote_ip} for #{email}"
 
       render :action => "blocked"
@@ -761,11 +716,19 @@ class UsersController < ApplicationController
     !blocked
   end
 
+  ##
+  # get list of MX servers for a domains
+  def domain_mx_servers(domain)
+    Resolv::DNS.open do |dns|
+      dns.getresources(domain, Resolv::DNS::Resource::IN::MX).collect(&:exchange).collect(&:to_s)
+    end
+  end
+
   ##
   # check if this user has a gravatar and set the user pref is true
   def gravatar_enable(user)
     # code from example https://en.gravatar.com/site/implement/images/ruby/
-    return false if user.image.present?
+    return false if user.avatar.attached?
 
     hash = Digest::MD5.hexdigest(user.email.downcase)
     url = "https://www.gravatar.com/avatar/#{hash}?d=404" # without d=404 we will always get an image back