64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
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package api
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import (
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"encoding/json"
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"errors"
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"io"
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"time"
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"github.com/julienschmidt/httprouter"
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"github.com/miekg/dns"
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"git.happydns.org/happydns/config"
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"git.happydns.org/happydns/model"
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)
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func init() {
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router.POST("/api/resolver", apiAuthHandler(runResolver))
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}
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type resolverRequest struct {
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Resolver string `json:"resolver"`
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DomainName string `json:"domain"`
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Type string `json:"type"`
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}
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func runResolver(_ *config.Options, u *happydns.User, _ httprouter.Params, body io.Reader) Response {
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var urr resolverRequest
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err := json.NewDecoder(body).Decode(&urr)
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if err != nil {
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return APIErrorResponse{
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err: err,
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}
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}
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client := dns.Client{Timeout: time.Second * 5}
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m := new(dns.Msg)
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m.SetQuestion(urr.DomainName, dns.StringToType[urr.Type])
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m.RecursionDesired = true
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m.SetEdns0(4096, true)
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r, _, err := client.Exchange(m, urr.Resolver+":53")
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if err != nil {
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return APIErrorResponse{
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err: err,
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}
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}
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if r == nil {
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return APIErrorResponse{
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err: errors.New("response is nil"),
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}
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}
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if r.Rcode != dns.RcodeSuccess {
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return APIErrorResponse{
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err: errors.New("failed to get a valid answer"),
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}
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}
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return APIResponse{
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response: r.String(),
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}
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}
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