28 lines
749 B
Go
28 lines
749 B
Go
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package websteps
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import (
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"context"
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"github.com/apex/log"
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"github.com/ooni/probe-cli/v3/internal/engine/netx"
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"github.com/ooni/probe-cli/v3/internal/netxlite"
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"github.com/ooni/probe-cli/v3/internal/runtimex"
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)
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type DNSConfig struct {
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Domain string
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Resolver netxlite.Resolver
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}
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// DNSDo performs the DNS check.
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func DNSDo(ctx context.Context, config DNSConfig) ([]string, error) {
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resolver := config.Resolver
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if resolver == nil {
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childResolver, err := netx.NewDNSClient(netx.Config{Logger: log.Log}, "doh://google")
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runtimex.PanicOnError(err, "NewDNSClient failed")
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var resolver netxlite.Resolver = childResolver
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resolver = &netxlite.IDNAResolver{Resolver: resolver}
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}
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return config.Resolver.LookupHost(ctx, config.Domain)
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}
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