v0.2 of the code and initial README.md

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dsainty 2024-06-11 14:26:59 +10:00
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A plugin to authenticate users with MD5 passwords from legacy systems

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# plugins/md5_authentication/plugin.rb
# frozen_string_literal: true
# name: md5_authentication
# about: A plugin to authenticate users with MD5 passwords from legacy systems
# version: 0.2
# authors: saint
# url: https://gitea.federated.computer/saint/discourse-md5_authentication.git
# plugins/md5_authentication/plugin.rb
after_initialize do
Rails.logger.info("MD5 Authentication Plugin: Initialized")
class ::User
module LegacyMd5Authentication
def self.included(base)
base.singleton_class.prepend(ClassMethods)
end
module ClassMethods
def authenticate(login, password)
Rails.logger.info("LegacyMd5Authentication: Trying to authenticate user with login #{login}")
user = nil
if login.include?('@')
# Assume it's an email address
user_email = UserEmail.find_by(email: login.downcase.strip)
user = user_email ? User.find(user_email.user_id) : nil
else
# Assume it's a username
user = User.find_by(username: login.downcase.strip)
end
if user
Rails.logger.info("LegacyMd5Authentication: User found: #{user.username}")
if user.custom_fields['md5_password'] && user.custom_fields['md5_password'] == Digest::MD5.hexdigest(password)
Rails.logger.info("LegacyMd5Authentication: MD5 password match for user: #{user.username}")
user.update!(password: password)
user.custom_fields['md5_password'] = nil
user.save_custom_fields
return user
else
Rails.logger.info("LegacyMd5Authentication: MD5 password did not match for user: #{user.username}")
end
else
Rails.logger.info("LegacyMd5Authentication: No user found with login #{login}")
end
super(login, password)
end
end
end
include LegacyMd5Authentication
end
end