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32 lines
758 B
Go
32 lines
758 B
Go
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package dnsbl_test
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import (
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"context"
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"log"
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"net"
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"golang.org/x/exp/slog"
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"github.com/mjl-/mox/dns"
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"github.com/mjl-/mox/dnsbl"
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)
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func ExampleLookup() {
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ctx := context.Background()
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resolver := dns.StrictResolver{}
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// Lookup if ip 127.0.0.2 is in spamhaus blocklist at zone sbl.spamhaus.org.
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status, explanation, err := dnsbl.Lookup(ctx, slog.Default(), resolver, dns.Domain{ASCII: "sbl.spamhaus.org"}, net.ParseIP("127.0.0.2"))
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if err != nil {
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log.Fatalf("dnsbl lookup: %v", err)
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}
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switch status {
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case dnsbl.StatusTemperr:
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log.Printf("dnsbl lookup, temporary dns error: %v", err)
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case dnsbl.StatusPass:
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log.Printf("dnsbl lookup, ip not listed")
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case dnsbl.StatusFail:
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log.Printf("dnsbl lookup, ip listed: %s", explanation)
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}
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}
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