Class: Certman::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/certman/client.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(domain) ⇒ Client

Returns a new instance of Client.



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# File 'lib/certman/client.rb', line 5

def initialize(domain)
  @domain = domain
end

Instance Attribute Details

#domain ⇒ Object (readonly)

Returns the value of attribute domain.



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# File 'lib/certman/client.rb', line 3

def domain
  @domain
end

Instance Method Details

#check_resource ⇒ Object 



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# File 'lib/certman/client.rb', line 283

def check_resource
  s = ('[ACM] Check Certificate')
  current_cert = acm.list_certificates.certificate_summary_list.find do |cert|
    cert.domain_name == domain
  end
  raise 'Certificate already exist' if current_cert
  s.success

  s = ('[Route53] Check Hosted Zone')
  root_domain = PublicSuffix.domain(domain)
  hosted_zone_id = nil
  hosted_zone = route53.list_hosted_zones.hosted_zones.find do |zone|
    if PublicSuffix.domain(zone.name) == root_domain
      hosted_zone_id = zone.id
      next true
    end
  end
  raise "Hosted Zone #{root_domain} does not exist" unless hosted_zone
  s.success

  s = ('[Route53] Check TXT Record')
  res = route53.list_resource_record_sets(
    hosted_zone_id: hosted_zone_id,
    start_record_name: "_amazonses.#{domain}.",
    start_record_type: 'TXT'
  )
  raise "_amazonses.#{domain} TXT already exist" unless res.resource_record_sets.empty?
  s.success

  s = ('[Route53] Check MX Record')
  res = route53.list_resource_record_sets(
    hosted_zone_id: hosted_zone_id,
    start_record_name: "#{domain}.",
    start_record_type: 'MX'
  )
  raise "#{domain} MX already exist" unless res.resource_record_sets.empty?
  s.success

  true
end

#delete_certificate ⇒ Object 



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# File 'lib/certman/client.rb', line 273

def delete_certificate
  s = ('[ACM] Delete Certificate')
  current_cert = acm.list_certificates.certificate_summary_list.find do |cert|
    cert.domain_name == domain
  end
  raise 'Certificate does not exist' unless current_cert
  acm.delete_certificate(certificate_arn: current_cert.certificate_arn)
  s.success
end

#request_certificate ⇒ Object 



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# File 'lib/certman/client.rb', line 9

def request_certificate
  check_resource

  # Get Account ID
   = sts.get_caller_identity.

  # Create S3 for SES inbound
  s = ('[S3] Create Bucket for SES inbound')
  bucket_policy = <<-"EOF"
{
        "Version": "2008-10-17",
"Statement": [
    {
        "Sid": "GiveSESPermissionToWriteEmail",
        "Effect": "Allow",
        "Principal": {
            "Service": [
                "ses.amazonaws.com"
            ]
        },
        "Action": [
            "s3:PutObject"
        ],
        "Resource": "arn:aws:s3:::#{bucket_name}/*",
        "Condition": {
            "StringEquals": {
                "aws:Referer": "#{}"
            }
        }
    }
]
}
EOF
  s3.create_bucket(
    acl: 'private',
    bucket: bucket_name
  )
  s3.put_bucket_policy(
    bucket: bucket_name,
    policy: bucket_policy,
    use_accelerate_endpoint: false
  )
  s.success

  # Create Domain Identity
  s = ('[SES] Create Domain Identity')
  res = ses.verify_domain_identity(domain: domain)
  token = res.verification_token
  s.success

  # Add TXT Record Set with Route53
  s = ('[Route53] Add TXT Record Set to verify Domain Identity')
  root_domain = PublicSuffix.domain(domain)
  hosted_zone = route53.list_hosted_zones.hosted_zones.find do |zone|
    PublicSuffix.domain(zone.name) == root_domain
  end
  route53.change_resource_record_sets(
    change_batch: {
      changes: [
        {
          action: 'CREATE',
          resource_record_set: {
            name: "_amazonses.#{domain}",
            resource_records: [
              {
                value: '"' + token + '"'
              }
            ],
            ttl: 60,
            type: 'TXT'
          }
        }
      ],
      comment: 'Generate by certman'
    },
    hosted_zone_id: hosted_zone.id
  )
  s.success

  # Checking verify
  s = ('[SES] Check Domain Identity Status *verified*')
  is_break = false
  100.times do
    res = ses.get_identity_verification_attributes(
      identities: [
        domain
      ]
    )
    if res.verification_attributes[domain].verification_status == 'Success'
      is_break = true
      s.success
      break
    end
    sleep 5
  end
  s.error unless is_break

  # Add MX Record Set
  s = ('[Route53] Add MX Record Set')
  route53.change_resource_record_sets(
    change_batch: {
      changes: [
        {
          action: 'CREATE',
          resource_record_set: {
            name: domain,
            resource_records: [
              {
                value: '10 inbound-smtp.us-east-1.amazonaws.com'
              }
            ],
            ttl: 60,
            type: 'MX'
          }
        }
      ],
      comment: 'Generate by certman'
    },
    hosted_zone_id: hosted_zone.id
  )
  s.success

  # Create Receipt rule
  s = ('[SES] Create Receipt Rule')
  rule_name = "S3RuleGeneratedByCertman_#{domain}"
  rule_set_name = "RuleSetGeneratedByCertman_#{domain}"
  ses.create_receipt_rule_set(rule_set_name: rule_set_name)
  ses.create_receipt_rule(
    rule: {
      recipients: ["admin@#{domain}"],
      actions: [
        {
          s3_action: {
            bucket_name: bucket_name
          }
        }
      ],
      enabled: true,
      name: rule_name,
      scan_enabled: true,
      tls_policy: 'Optional'
    },
    rule_set_name: rule_set_name
  )
  current_rule_set_name = nil
  res = ses.describe_active_receipt_rule_set
  current_rule_set_name = res.metadata.name if res.metadata
  ses.set_active_receipt_rule_set(rule_set_name: rule_set_name)
  s.success

  # Request Certificate
  s = ('[ACM] Request Certificate')
  res = acm.request_certificate(
    domain_name: domain,
    subject_alternative_names: [domain],
    domain_validation_options: [
      {
        domain_name: domain,
        validation_domain: domain
      }
    ]
  )
  cert_arn = res.certificate_arn
  s.success

  # Check Mail and Approve
  s = ('[S3] Check approval mail (will take about 30 min)')
  is_break = false
  60.times do
    s3.list_objects(bucket: bucket_name).contents.map do |object|
      res = s3.get_object(bucket: bucket_name, key: object.key)
      res.body.read.match(%r{https://certificates\.amazon\.com/approvals[^\s]+}) do |md|
        cert_uri = md[0]
        handle = open(cert_uri)
        document = Oga.parse_html(handle)
        data = {}
        document.css('form input').each do |input|
          data[input.get('name')] = input.get('value')
        end
        res = Net::HTTP.post_form(URI.parse('https://certificates.amazon.com/approvals'), data)
        if res.body =~ /Success/
          s.success
        else
          s.error
        end
        is_break = true
        break
      end
    end
    break if is_break
    sleep 30
  end
  s.error unless is_break

  # Remove Receipt Rule
  s = ('[SES] Remove Receipt Rule')
  ses.set_active_receipt_rule_set(rule_set_name: current_rule_set_name)
  ses.delete_receipt_rule(
    rule_name: rule_name,
    rule_set_name: rule_set_name
  )
  ses.delete_receipt_rule_set(rule_set_name: rule_set_name)
  s.success

  # Remove Record Set
  s = ('[Route53] Remove Record Set')
  route53.change_resource_record_sets(
    change_batch: {
      changes: [
        {
          action: 'DELETE',
          resource_record_set: {
            name: "_amazonses.#{domain}",
            resource_records: [
              {
                value: '"' + token + '"'
              }
            ],
            ttl: 60,
            type: 'TXT'
          }
        },
        {
          action: 'DELETE',
          resource_record_set: {
            name: domain,
            resource_records: [
              {
                value: '10 inbound-smtp.us-east-1.amazonaws.com'
              }
            ],
            ttl: 60,
            type: 'MX'
          }
        }
      ],
      comment: 'Generate by certman'
    },
    hosted_zone_id: hosted_zone.id
  )
  s.success

  # Remove Verified Domain Identiry
  s = ('[SES] Remove Verified Domain Identiry')
  ses.delete_identity(identity: domain)
  s.success

  # Delete S3 for SES inbound
  s = ('[S3] Delete Bucket')
  objects = s3.list_objects(bucket: bucket_name).contents.map do |object|
    { key: object.key }
  end
  s3.delete_objects(
    bucket: bucket_name,
    delete: {
      objects: objects
    }
  )
  s3.delete_bucket(bucket: bucket_name)
  s.success

  cert_arn
end