49 lines
886 B
Go
49 lines
886 B
Go
package header
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import (
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"fmt"
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"github.com/coredns/caddy"
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"github.com/coredns/coredns/core/dnsserver"
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"github.com/coredns/coredns/plugin"
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)
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func init() { plugin.Register("header", setup) }
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func setup(c *caddy.Controller) error {
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rules, err := parse(c)
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if err != nil {
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return plugin.Error("header", err)
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}
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dnsserver.GetConfig(c).AddPlugin(func(next plugin.Handler) plugin.Handler {
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return Header{
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Rules: rules,
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Next: next,
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}
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})
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return nil
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}
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func parse(c *caddy.Controller) ([]Rule, error) {
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for c.Next() {
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var all []Rule
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for c.NextBlock() {
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v := c.Val()
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args := c.RemainingArgs()
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// set up rules
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rules, err := newRules(v, args)
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if err != nil {
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return nil, fmt.Errorf("seting up rule: %w", err)
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}
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all = append(all, rules...)
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}
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// return combined rules
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if len(all) > 0 {
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return all, nil
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}
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}
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return nil, c.ArgErr()
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}
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