#
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#

require_relative "../resource"

class Chef
  class Resource
    class OpensslRsaPublicKey < Chef::Resource
      require_relative "../mixin/openssl_helper"
      include Chef::Mixin::OpenSSLHelper

      unified_mode true

      provides(:openssl_rsa_public_key) { true }

      examples <<~DOC
        Generate new public key from a private key on disk

        ```ruby
        openssl_rsa_public_key '/etc/ssl_files/rsakey_des3.pub' do
          private_key_path '/etc/ssl_files/rsakey_des3.pem'
          private_key_pass 'something'
          action :create
        end
        ```

        Generate new public key by passing in a private key

        ```ruby
        openssl_rsa_public_key '/etc/ssl_files/rsakey_2.pub' do
          private_key_pass 'something'
          private_key_content "-----BEGIN RSA PRIVATE KEY-----\nProc-Type: 4,ENCRYPTED\nDEK-Info: DES-EDE3-CBC,5EE0AE9A5FE3342E\n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\n-----END RSA PRIVATE KEY-----\n"
          action :create
        end
        ```
      DOC

      description "Use the **openssl_rsa_public_key** resource to generate RSA public key files for a given RSA private key."
      introduced "14.0"

      property :path, String,
        description: "An optional property for specifying the path to the public key if it differs from the resource block's name.",
        name_property: true

      property :private_key_path, String,
        description: "The path to the private key file."

      property :private_key_content, String,
        description: "The content of the private key, including new lines. This property is used in place of private_key_path in instances where you want to avoid having to first write the private key to disk."

      property :private_key_pass, String,
        description: "The passphrase of the provided private key."

      property :owner, [String, Integer],
        description: "The owner applied to all files created by the resource."

      property :group, [String, Integer],
        description: "The group ownership applied to all files created by the resource."

      property :mode, [Integer, String],
        description: "The permission mode applied to all files created by the resource.",
        default: "0640"

      action :create do
        description "Create the RSA public key."

        raise ArgumentError, "You cannot specify both 'private_key_path' and 'private_key_content' properties at the same time." if new_resource.private_key_path && new_resource.private_key_content
        raise ArgumentError, "You must specify the private key with either 'private_key_path' or 'private_key_content' properties." unless new_resource.private_key_path || new_resource.private_key_content
        raise "#{new_resource.private_key_path} not a valid private RSA key or password is invalid" unless priv_key_file_valid?((new_resource.private_key_path || new_resource.private_key_content), new_resource.private_key_pass)

        rsa_key_content = gen_rsa_pub_key((new_resource.private_key_path || new_resource.private_key_content), new_resource.private_key_pass)

        file new_resource.path do
          action :create
          owner new_resource.owner unless new_resource.owner.nil?
          group new_resource.group unless new_resource.group.nil?
          mode new_resource.mode
          content rsa_key_content
        end
      end
    end
  end
end