jbox-web/redmine_git_hosting

# frozen_string_literal: true

module RedmineGitHosting
  module Validators
    extend self

    # Validate a Git SSH urls
    # ssh://git@redmine.example.org/project1/project2/project3/project4.git
    # ssh://git@redmine.example.org:22/project1/project2/project3/project4.git
    #
    GIT_SSH_URL_REGEX = %r{\A(ssh://)([\w\-.@]+)(:\d+)?([\w/\-.~]+)(\.git)?\z}i.freeze

    def valid_git_ssh_url?(url)
      url.match GIT_SSH_URL_REGEX
    end

    # Validate a Git refspec
    # [+]<src>:<dest>
    # [+]refs/<name>/<ref>:refs/<name>/<ref>
    #
    GIT_REFSPEC_REGEX = /\A\+?([^:]*)(:([^:]*))?\z/.freeze

    def valid_git_refspec?(refspec)
      refspec.match GIT_REFSPEC_REGEX
    end

    def valid_git_refspec_path?(refspec)
      refspec_parsed = valid_git_refspec? refspec
      if refspec_parsed.nil? || !valid_refspec_path?(refspec_parsed[1]) || !valid_refspec_path?(refspec_parsed[3])
        raise RedmineGitHosting::Error::InvalidRefspec::BadFormat
      elsif !refspec_parsed[1] || refspec_parsed[1] == ''
        raise RedmineGitHosting::Error::InvalidRefspec::NullComponent
      end
    end

    # Allow null or empty components
    #
    def valid_refspec_path?(refspec)
      !refspec || refspec == '' || RedmineGitHosting::Utils::Git.parse_refspec(refspec) ? true : false
    end

    private_class_method :valid_refspec_path?

    # Validate a domain name with optional port
    # redmine.example.net
    # redmine.example.net:8080
    #
    DOMAIN_REGEX = /\A[a-zA-Z0-9\-]+(\.[a-zA-Z0-9\-]+)*(:\d+)?\z/i.freeze

    def valid_domain?(domain)
      domain.match DOMAIN_REGEX
    end

    def valid_email?(email)
      email.match URI::MailTo::EMAIL_REGEXP
    end

    # Validate that data passed through forms are boolean-like.
    #
    BOOLEAN_FIELDS = %w[true false 0 1].freeze

    def valid_boolean_field?(field)
      BOOLEAN_FIELDS.include? field
    end
  end
end