github.com/karsthammer/dnscontrol@v0.2.8/models/t_caa.go (about)

     1  package models
     2  
     3  import (
     4  	"strconv"
     5  	"strings"
     6  
     7  	"github.com/pkg/errors"
     8  )
     9  
    10  // SetTargetCAA sets the CAA fields.
    11  func (rc *RecordConfig) SetTargetCAA(flag uint8, tag string, target string) error {
    12  	rc.CaaTag = tag
    13  	rc.CaaFlag = flag
    14  	rc.SetTarget(target)
    15  	if rc.Type == "" {
    16  		rc.Type = "CAA"
    17  	}
    18  	if rc.Type != "CAA" {
    19  		panic("assertion failed: SetTargetCAA called when .Type is not CAA")
    20  	}
    21  
    22  	if tag != "issue" && tag != "issuewild" && tag != "iodef" {
    23  		return errors.Errorf("CAA tag (%v) is not one of issue/issuewild/iodef", tag)
    24  	}
    25  
    26  	return nil
    27  }
    28  
    29  // SetTargetCAAStrings is like SetTargetCAA but accepts strings.
    30  func (rc *RecordConfig) SetTargetCAAStrings(flag, tag, target string) error {
    31  	i64flag, err := strconv.ParseUint(flag, 10, 8)
    32  	if err != nil {
    33  		return errors.Wrap(err, "CAA flag does not fit in 8 bits")
    34  	}
    35  	return rc.SetTargetCAA(uint8(i64flag), tag, target)
    36  }
    37  
    38  // SetTargetCAAString is like SetTargetCAA but accepts one big string.
    39  // Ex: `0 issue "letsencrypt.org"`
    40  func (rc *RecordConfig) SetTargetCAAString(s string) error {
    41  	part := strings.Fields(s)
    42  	if len(part) != 3 {
    43  		return errors.Errorf("CAA value does not contain 3 fields: (%#v)", s)
    44  	}
    45  	return rc.SetTargetCAAStrings(part[0], part[1], StripQuotes(part[2]))
    46  }