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-rw-r--r--activemodel/CHANGELOG.md7
-rw-r--r--activemodel/lib/active_model/model.rb6
-rw-r--r--activemodel/lib/active_model/secure_password.rb26
-rw-r--r--activemodel/lib/active_model/serialization.rb16
-rw-r--r--activemodel/test/cases/secure_password_test.rb56
-rw-r--r--activemodel/test/cases/validations/absence_validation_test.rb7
6 files changed, 80 insertions, 38 deletions
diff --git a/activemodel/CHANGELOG.md b/activemodel/CHANGELOG.md
index 29cd4cf934..4d9186017f 100644
--- a/activemodel/CHANGELOG.md
+++ b/activemodel/CHANGELOG.md
@@ -1,3 +1,10 @@
+* `has_secure_password` now verifies that the given password is less than 72
+ characters if validations are enabled.
+
+ Fixes #14591.
+
+ *Akshay Vishnoi*
+
* Remove deprecated `Validator#setup` without replacement.
See #10716.
diff --git a/activemodel/lib/active_model/model.rb b/activemodel/lib/active_model/model.rb
index 63716eebb1..640024eaa1 100644
--- a/activemodel/lib/active_model/model.rb
+++ b/activemodel/lib/active_model/model.rb
@@ -16,8 +16,8 @@ module ActiveModel
# end
#
# person = Person.new(name: 'bob', age: '18')
- # person.name # => 'bob'
- # person.age # => 18
+ # person.name # => "bob"
+ # person.age # => "18"
#
# Note that, by default, <tt>ActiveModel::Model</tt> implements <tt>persisted?</tt>
# to return +false+, which is the most common case. You may want to override
@@ -74,7 +74,7 @@ module ActiveModel
#
# person = Person.new(name: 'bob', age: '18')
# person.name # => "bob"
- # person.age # => 18
+ # person.age # => "18"
def initialize(params={})
params.each do |attr, value|
self.public_send("#{attr}=", value)
diff --git a/activemodel/lib/active_model/secure_password.rb b/activemodel/lib/active_model/secure_password.rb
index 4033eb5808..fdfd8cb147 100644
--- a/activemodel/lib/active_model/secure_password.rb
+++ b/activemodel/lib/active_model/secure_password.rb
@@ -2,6 +2,11 @@ module ActiveModel
module SecurePassword
extend ActiveSupport::Concern
+ # BCrypt hash function can handle maximum 72 characters, and if we pass
+ # password of length more than 72 characters it ignores extra characters.
+ # Hence need to put a restriction on password length.
+ MAX_PASSWORD_LENGTH_ALLOWED = 72
+
class << self
attr_accessor :min_cost # :nodoc:
end
@@ -11,16 +16,20 @@ module ActiveModel
# Adds methods to set and authenticate against a BCrypt password.
# This mechanism requires you to have a +password_digest+ attribute.
#
- # Validations for presence of password on create, confirmation of password
- # (using a +password_confirmation+ attribute) are automatically added. If
- # you wish to turn off validations, pass <tt>validations: false</tt> as an
- # argument. You can add more validations by hand if need be.
+ # The following validations are added automatically:
+ # * Password must be present on creation
+ # * Password length should be less than or equal to 72 characters
+ # * Confirmation of password (using a +password_confirmation+ attribute)
+ #
+ # If password confirmation validation is not needed, simply leave out the
+ # value for +password_confirmation+ (i.e. don't provide a form field for
+ # it). When this attribute has a +nil+ value, the validation will not be
+ # triggered.
#
- # If you don't need the confirmation validation, just don't set any
- # value to the password_confirmation attribute and the validation
- # will not be triggered.
+ # For further customizability, it is possible to supress the default
+ # validations by passing <tt>validations: false</tt> as an argument.
#
- # You need to add bcrypt (~> 3.1.7) to Gemfile to use #has_secure_password:
+ # Add bcrypt (~> 3.1.7) to Gemfile to use #has_secure_password:
#
# gem 'bcrypt', '~> 3.1.7'
#
@@ -63,6 +72,7 @@ module ActiveModel
record.errors.add(:password, :blank) unless record.password_digest.present?
end
+ validates_length_of :password, maximum: ActiveModel::SecurePassword::MAX_PASSWORD_LENGTH_ALLOWED
validates_confirmation_of :password, if: ->{ password.present? }
end
diff --git a/activemodel/lib/active_model/serialization.rb b/activemodel/lib/active_model/serialization.rb
index 36a6c00290..976f50b13e 100644
--- a/activemodel/lib/active_model/serialization.rb
+++ b/activemodel/lib/active_model/serialization.rb
@@ -4,7 +4,7 @@ require 'active_support/core_ext/hash/slice'
module ActiveModel
# == Active \Model \Serialization
#
- # Provides a basic serialization to a serializable_hash for your object.
+ # Provides a basic serialization to a serializable_hash for your objects.
#
# A minimal implementation could be:
#
@@ -25,14 +25,14 @@ module ActiveModel
# person.name = "Bob"
# person.serializable_hash # => {"name"=>"Bob"}
#
- # You need to declare an attributes hash which contains the attributes you
- # want to serialize. Attributes must be strings, not symbols. When called,
- # serializable hash will use instance methods that match the name of the
- # attributes hash's keys. In order to override this behavior, take a look at
- # the private method +read_attribute_for_serialization+.
+ # An +attributes+ hash must be defined and should contain any attributes you
+ # need to be serialized. Attributes must be strings, not symbols.
+ # When called, serializable hash will use instance methods that match the name
+ # of the attributes hash's keys. In order to override this behavior, take a look
+ # at the private method +read_attribute_for_serialization+.
#
- # Most of the time though, you will want to include the JSON or XML
- # serializations. Both of these modules automatically include the
+ # Most of the time though, either the JSON or XML serializations are needed.
+ # Both of these modules automatically include the
# <tt>ActiveModel::Serialization</tt> module, so there is no need to
# explicitly include it.
#
diff --git a/activemodel/test/cases/secure_password_test.rb b/activemodel/test/cases/secure_password_test.rb
index bcd1e04a0f..e59f00c8c5 100644
--- a/activemodel/test/cases/secure_password_test.rb
+++ b/activemodel/test/cases/secure_password_test.rb
@@ -20,7 +20,7 @@ class SecurePasswordTest < ActiveModel::TestCase
ActiveModel::SecurePassword.min_cost = @original_min_cost
end
- test "create and updating without validations" do
+ test "create/update without validations" do
assert @visitor.valid?(:create), 'visitor should be valid'
assert @visitor.valid?(:update), 'visitor should be valid'
@@ -31,6 +31,18 @@ class SecurePasswordTest < ActiveModel::TestCase
assert @visitor.valid?(:update), 'visitor should be valid'
end
+ test "create a new user with validations and valid password/confirmation" do
+ @user.password = 'password'
+ @user.password_confirmation = 'password'
+
+ assert @user.valid?(:create), 'user should be valid'
+
+ @user.password = 'a' * 72
+ @user.password_confirmation = 'a' * 72
+
+ assert @user.valid?(:create), 'user should be valid'
+ end
+
test "create a new user with validation and a blank password" do
@user.password = ''
assert !@user.valid?(:create), 'user should be invalid'
@@ -45,6 +57,14 @@ class SecurePasswordTest < ActiveModel::TestCase
assert_equal ["can't be blank"], @user.errors[:password]
end
+ test 'create a new user with validation and password length greater than 72' do
+ @user.password = 'a' * 73
+ @user.password_confirmation = 'a' * 73
+ assert !@user.valid?(:create), 'user should be invalid'
+ assert_equal 1, @user.errors.count
+ assert_equal ["is too long (maximum is 72 characters)"], @user.errors[:password]
+ end
+
test "create a new user with validation and a blank password confirmation" do
@user.password = 'password'
@user.password_confirmation = ''
@@ -67,15 +87,19 @@ class SecurePasswordTest < ActiveModel::TestCase
assert_equal ["doesn't match Password"], @user.errors[:password_confirmation]
end
- test "create a new user with validation and a correct password confirmation" do
- @user.password = 'password'
- @user.password_confirmation = 'something else'
- assert !@user.valid?(:create), 'user should be invalid'
- assert_equal 1, @user.errors.count
- assert_equal ["doesn't match Password"], @user.errors[:password_confirmation]
+ test "update an existing user with validation and no change in password" do
+ assert @existing_user.valid?(:update), 'user should be valid'
end
- test "update an existing user with validation and no change in password" do
+ test "update an existing user with validations and valid password/confirmation" do
+ @existing_user.password = 'password'
+ @existing_user.password_confirmation = 'password'
+
+ assert @existing_user.valid?(:update), 'user should be valid'
+
+ @existing_user.password = 'a' * 72
+ @existing_user.password_confirmation = 'a' * 72
+
assert @existing_user.valid?(:update), 'user should be valid'
end
@@ -97,6 +121,14 @@ class SecurePasswordTest < ActiveModel::TestCase
assert_equal ["can't be blank"], @existing_user.errors[:password]
end
+ test 'updating an existing user with validation and password length greater than 72' do
+ @existing_user.password = 'a' * 73
+ @existing_user.password_confirmation = 'a' * 73
+ assert !@existing_user.valid?(:update), 'user should be invalid'
+ assert_equal 1, @existing_user.errors.count
+ assert_equal ["is too long (maximum is 72 characters)"], @existing_user.errors[:password]
+ end
+
test "updating an existing user with validation and a blank password confirmation" do
@existing_user.password = 'password'
@existing_user.password_confirmation = ''
@@ -119,14 +151,6 @@ class SecurePasswordTest < ActiveModel::TestCase
assert_equal ["doesn't match Password"], @existing_user.errors[:password_confirmation]
end
- test "updating an existing user with validation and a correct password confirmation" do
- @existing_user.password = 'password'
- @existing_user.password_confirmation = 'something else'
- assert !@existing_user.valid?(:update), 'user should be invalid'
- assert_equal 1, @existing_user.errors.count
- assert_equal ["doesn't match Password"], @existing_user.errors[:password_confirmation]
- end
-
test "updating an existing user with validation and a blank password digest" do
@existing_user.password_digest = ''
assert !@existing_user.valid?(:update), 'user should be invalid'
diff --git a/activemodel/test/cases/validations/absence_validation_test.rb b/activemodel/test/cases/validations/absence_validation_test.rb
index 795ce16d28..ebfe1cf4e4 100644
--- a/activemodel/test/cases/validations/absence_validation_test.rb
+++ b/activemodel/test/cases/validations/absence_validation_test.rb
@@ -11,7 +11,7 @@ class AbsenceValidationTest < ActiveModel::TestCase
CustomReader.clear_validators!
end
- def test_validate_absences
+ def test_validates_absence_of
Topic.validates_absence_of(:title, :content)
t = Topic.new
t.title = "foo"
@@ -23,11 +23,12 @@ class AbsenceValidationTest < ActiveModel::TestCase
t.content = "something"
assert t.invalid?
assert_equal ["must be blank"], t.errors[:content]
+ assert_equal [], t.errors[:title]
t.content = ""
assert t.valid?
end
- def test_accepts_array_arguments
+ def test_validates_absence_of_with_array_arguments
Topic.validates_absence_of %w(title content)
t = Topic.new
t.title = "foo"
@@ -37,7 +38,7 @@ class AbsenceValidationTest < ActiveModel::TestCase
assert_equal ["must be blank"], t.errors[:content]
end
- def test_validates_acceptance_of_with_custom_error_using_quotes
+ def test_validates_absence_of_with_custom_error_using_quotes
Person.validates_absence_of :karma, message: "This string contains 'single' and \"double\" quotes"
p = Person.new
p.karma = "good"