feat: add aws route53 provider

internal/applicant/aws.go

@@ -0,0 +1,38 @@
+package applicant
+
+import (
+	"certimate/internal/domain"
+	"encoding/json"
+	"fmt"
+	"os"
+
+	"github.com/go-acme/lego/v4/providers/dns/route53"
+)
+
+type aws struct {
+	option *ApplyOption
+}
+
+func NewAws(option *ApplyOption) Applicant {
+	return &aws{
+		option: option,
+	}
+}
+
+func (t *aws) Apply() (*Certificate, error) {
+	access := &domain.AwsAccess{}
+	json.Unmarshal([]byte(t.option.Access), access)
+
+	os.Setenv("AWS_REGION", access.Region)
+	os.Setenv("AWS_ACCESS_KEY_ID", access.AccessKeyId)
+	os.Setenv("AWS_SECRET_ACCESS_KEY", access.SecretAccessKey)
+	os.Setenv("AWS_HOSTED_ZONE_ID", access.HostedZoneId)
+	os.Setenv("AWS_PROPAGATION_TIMEOUT", fmt.Sprintf("%d", t.option.Timeout))
+
+	dnsProvider, err := route53.NewDNSProvider()
+	if err != nil {
+		return nil, err
+	}
+
+	return apply(t.option, dnsProvider)
+}