Increase username length limit from 30 to 60 (#2719).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8778 e93f8b46-1217-0410-a6f0-8f06a7374b81

app/models/mail_handler.rb

@@ -347,8 +347,8 @@ class MailHandler < ActionMailer::Base
     @full_sanitizer ||= HTML::FullSanitizer.new
   end
 
-  def self.assign_string_attribute_with_limit(object, attribute, value)
+  def self.assign_string_attribute_with_limit(object, attribute, value, limit=nil)
-    limit = object.class.columns_hash[attribute.to_s].limit || 255
+    limit ||= object.class.columns_hash[attribute.to_s].limit || 255
     value = value.to_s.slice(0, limit)
     object.send("#{attribute}=", value)
   end
@@ -359,7 +359,7 @@ class MailHandler < ActionMailer::Base
 
     # Truncating the email address would result in an invalid format
     user.mail = email_address
-    assign_string_attribute_with_limit(user, 'login', email_address)
+    assign_string_attribute_with_limit(user, 'login', email_address, User::LOGIN_LENGTH_LIMIT)
 
     names = fullname.blank? ? email_address.gsub(/@.*$/, '').split('.') : fullname.split
     assign_string_attribute_with_limit(user, 'firstname', names.shift)

app/models/user.rb

@@ -72,15 +72,18 @@ class User < Principal
   # Prevents unauthorized assignments
   attr_protected :login, :admin, :password, :password_confirmation, :hashed_password
 
+  LOGIN_LENGTH_LIMIT = 60
+  MAIL_LENGTH_LIMIT = 60
+
   validates_presence_of :login, :firstname, :lastname, :mail, :if => Proc.new { |user| !user.is_a?(AnonymousUser) }
   validates_uniqueness_of :login, :if => Proc.new { |user| !user.login.blank? }, :case_sensitive => false
   validates_uniqueness_of :mail, :if => Proc.new { |user| !user.mail.blank? }, :case_sensitive => false
   # Login must contain lettres, numbers, underscores only
   validates_format_of :login, :with => /^[a-z0-9_\-@\.]*$/i
-  validates_length_of :login, :maximum => 30
+  validates_length_of :login, :maximum => LOGIN_LENGTH_LIMIT
   validates_length_of :firstname, :lastname, :maximum => 30
   validates_format_of :mail, :with => /^([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})$/i, :allow_blank => true
-  validates_length_of :mail, :maximum => 60, :allow_nil => true
+  validates_length_of :mail, :maximum => MAIL_LENGTH_LIMIT, :allow_nil => true
   validates_confirmation_of :password, :allow_nil => true
   validates_inclusion_of :mail_notification, :in => MAIL_NOTIFICATION_OPTIONS.collect(&:first), :allow_blank => true
   validate :validate_password_length

db/migrate/20120205111326_change_users_login_limit.rb

@@ -0,0 +1,9 @@
+class ChangeUsersLoginLimit < ActiveRecord::Migration
+  def self.up
+    change_column :users, :login, :string, :limit => nil, :default => '', :null => false
+  end
+
+  def self.down
+    change_column :users, :login, :string, :limit => 30, :default => '', :null => false
+  end
+end

lib/tasks/migrate_from_trac.rake

@@ -231,7 +231,7 @@ namespace :redmine do
         u = User.find_by_login(username)
         if !u
           # Create a new user if not found
-          mail = username[0,limit_for(User, 'mail')]
+          mail = username[0, User::MAIL_LENGTH_LIMIT]
           if mail_attr = TracSessionAttribute.find_by_sid_and_name(username, 'email')
             mail = mail_attr.value
           end
@@ -249,7 +249,7 @@ namespace :redmine do
                        :firstname => fn[0, limit_for(User, 'firstname')],
                        :lastname => ln[0, limit_for(User, 'lastname')]
 
-          u.login = username[0,limit_for(User, 'login')].gsub(/[^a-z0-9_\-@\.]/i, '-')
+          u.login = username[0, User::LOGIN_LENGTH_LIMIT].gsub(/[^a-z0-9_\-@\.]/i, '-')
           u.password = 'trac'
           u.admin = true if TracPermission.find_by_username_and_action(username, 'admin')
           # finally, a default user is used if the new user is not valid

test/unit/mail_handler_test.rb

@@ -547,14 +547,13 @@ class MailHandlerTest < ActiveSupport::TestCase
       ['jsmith@example.net', 'John Smith'] => ['jsmith@example.net', 'John', 'Smith'],
       ['jsmith@example.net', 'John Paul Smith'] => ['jsmith@example.net', 'John', 'Paul Smith'],
       ['jsmith@example.net', 'AVeryLongFirstnameThatExceedsTheMaximumLength Smith'] => ['jsmith@example.net', 'AVeryLongFirstnameThatExceedsT', 'Smith'],
-      ['jsmith@example.net', 'John AVeryLongLastnameThatExceedsTheMaximumLength'] => ['jsmith@example.net', 'John', 'AVeryLongLastnameThatExceedsTh'],
+      ['jsmith@example.net', 'John AVeryLongLastnameThatExceedsTheMaximumLength'] => ['jsmith@example.net', 'John', 'AVeryLongLastnameThatExceedsTh']
-      ['alongemailaddressthatexceedsloginlength@example.net', 'John Smith'] => ['alongemailaddressthatexceedslo', 'John', 'Smith']
     }
 
     to_test.each do |attrs, expected|
       user = MailHandler.new_user_from_attributes(attrs.first, attrs.last)
 
-      assert user.valid?
+      assert user.valid?, user.errors.full_messages
       assert_equal attrs.first, user.mail
       assert_equal expected[0], user.login
       assert_equal expected[1], user.firstname
@@ -571,12 +570,10 @@ class MailHandlerTest < ActiveSupport::TestCase
   end
 
   def test_new_user_from_attributes_should_use_default_login_if_invalid
-    MailHandler.new_user_from_attributes('alongemailaddressthatexceedsloginlength-1@example.net').save!
+    user = MailHandler.new_user_from_attributes('foo+bar@example.net')
-
-    # another long address that would result in duplicate login
-    user = MailHandler.new_user_from_attributes('alongemailaddressthatexceedsloginlength-2@example.net')
     assert user.valid?
     assert user.login =~ /^user[a-f0-9]+$/
+    assert_equal 'foo+bar@example.net', user.mail
   end
 
   private

test/unit/user_test.rb

@@ -58,6 +58,16 @@ class UserTest < ActiveSupport::TestCase
                  u.errors[:mail].to_s
   end
 
+  def test_login_length_validation
+    user = User.new(:firstname => "new", :lastname => "user", :mail => "newuser@somenet.foo")
+    user.login = "x" * (User::LOGIN_LENGTH_LIMIT+1)
+    assert !user.valid?
+
+    user.login = "x" * (User::LOGIN_LENGTH_LIMIT)
+    assert user.valid?
+    assert user.save
+  end
+
   def test_create
     user = User.new(:firstname => "new", :lastname => "user", :mail => "newuser@somenet.foo")