29 lines
707 B
Go
29 lines
707 B
Go
// Package rewrite is middleware for rewriting requests internally to something different.
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package rewrite
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import (
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"strings"
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"github.com/coredns/coredns/middleware"
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"github.com/miekg/dns"
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)
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// NameRule is a name rewrite rule.
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type NameRule struct {
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From, To string
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}
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// New initializes a new rule.
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func (rule NameRule) New(args ...string) Rule {
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from, to := args[0], strings.Join(args[1:], " ")
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return &NameRule{middleware.Name(from).Normalize(), middleware.Name(to).Normalize()}
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}
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// Rewrite rewrites the the current request.
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func (rule NameRule) Rewrite(r *dns.Msg) Result {
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if rule.From == r.Question[0].Name {
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r.Question[0].Name = rule.To
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return RewriteDone
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}
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return RewriteIgnored
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}
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