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3a9b413175
Thanks so much for this contribution! I have a feeling that a lot of people are going to need these records soon!
45 lines
1.2 KiB
Go
45 lines
1.2 KiB
Go
package models
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import (
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"fmt"
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"strings"
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"github.com/miekg/dns"
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)
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// SetTargetSVCB sets the SVCB fields.
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func (rc *RecordConfig) SetTargetSVCB(priority uint16, target string, params []dns.SVCBKeyValue) error {
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rc.SvcPriority = priority
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rc.SetTarget(target)
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paramsStr := []string{}
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for _, kv := range params {
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paramsStr = append(paramsStr, fmt.Sprintf("%s=%s", kv.Key(), kv.String()))
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}
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rc.SvcParams = strings.Join(paramsStr, " ")
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if rc.Type == "" {
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rc.Type = "SVCB"
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}
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if rc.Type != "SVCB" && rc.Type != "HTTPS" {
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panic("assertion failed: SetTargetSVCB called when .Type is not SVCB or HTTPS")
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}
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return nil
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}
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// SetTargetSVCBString is like SetTargetSVCB but accepts one big string and the origin so parsing can be done using miekg/dns.
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func (rc *RecordConfig) SetTargetSVCBString(origin, contents string) error {
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if rc.Type == "" {
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rc.Type = "SVCB"
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}
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record, err := dns.NewRR(fmt.Sprintf("%s. %s %s", origin, rc.Type, contents))
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if err != nil {
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return fmt.Errorf("could not parse SVCB record: %s", err)
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}
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switch r := record.(type) {
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case *dns.HTTPS:
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return rc.SetTargetSVCB(r.Priority, r.Target, r.Value)
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case *dns.SVCB:
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return rc.SetTargetSVCB(r.Priority, r.Target, r.Value)
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}
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return nil
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}
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