Password hashing and validation using OpenSSL::PKCS5::pbkdf2_hmac for the hash and SecureRandom.base64 for the salt. Digest defaults to SHA1, but can be set to any digest (eg SHA256) supported by your systems OpenSSL lib.

Adds video URL validation and API integration for using Vimeo on ActiveRecord models

Adds validations on URL attributes for ActiveRecord models. URL scheme will be checked and added before updating the database if necessary. A raw_attribute method will also be added to display the url without HTTP(S) scheme or trailing slash.

A simple library for communicating with Apple's iTunes receipt validation server.

IbanValidation provides a simple ActiveModel::EachValidator for formally validating International Bank Account Numbers (IBAN). It is based on the IBANTools gem.

This gem is used for the email validation and basic string operation like left padding, right padding, center padding, to uppercase, to lower case and to capitalize

This gem provides immutability validation. This is different from `readonly: true` stuff because it sets the error.

rack-oidc-api provides a JWT validation middleware which automatically discovers the settings supported by a given OIDC provider, and validates the token against the published keys.

Use the ActiveRecord mimicking API to write into CM and enjoy all the benefits of callbacks, validations and permission checking

PIC is a pattern matching library, like regular expressions, based on Cobol edited pictures. It's advantage over regular expressions is it more concise syntax which geared specifically toward validation of user input.

iTunes In-App Purchase and Subscription Receipt Analysis and Validation

This is useful when you want to define optional validations for a resource and keep it valid.

Add address fields to a DataMapper model. This includes optional validations, and additional DM types for ZipCode and PhoneNumber.

StripAttributes is a Rails plugin that automatically strips all ActiveRecord model attributes of leading and trailing whitespace before validation. If the attribute is blank, it strips the value to nil.

Simple easy contact form for Rails with I18n, validations, attachments and request information.

A Ruby Gem For Chinese Mainland Personal ID Card Validation

Normalize dry-validation and ActiveModel errors to the universal format

Logobox translates ICO of the company into appropriate logo url at logobox.cz\nIt can check that the logo is uploaded and make the ICO validation.

An ActiveModel validator that consolidates multiple password validations.

Gem for validating complex JSON payloads in a functional way