* custom DoH request validation Signed-off-by: Johnny Bergström <johnny@klaudify.se> * add comment and test Signed-off-by: Johnny Bergström <johnny@klaudify.se> * NewServerHTTPS comment typo Signed-off-by: Johnny Bergström <johnny@klaudify.se>
66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
package dnsserver
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import (
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"bytes"
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"crypto/tls"
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"net/http"
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"net/http/httptest"
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"regexp"
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"testing"
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"github.com/miekg/dns"
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)
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var (
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validPath = regexp.MustCompile("^/(dns-query|(?P<uuid>[0-9a-f]+))$")
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validator = func(r *http.Request) bool { return validPath.MatchString(r.URL.Path) }
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)
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func testServerHTTPS(t *testing.T, path string, validator func(*http.Request) bool) *http.Response {
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c := Config{
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Zone: "example.com.",
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Transport: "https",
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TLSConfig: &tls.Config{},
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ListenHosts: []string{"127.0.0.1"},
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Port: "443",
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HTTPRequestValidateFunc: validator,
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}
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s, err := NewServerHTTPS("127.0.0.1:443", []*Config{&c})
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if err != nil {
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t.Log(err)
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t.Fatal("could not create HTTPS server")
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}
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m := new(dns.Msg)
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m.SetQuestion("example.org.", dns.TypeDNSKEY)
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buf, err := m.Pack()
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if err != nil {
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t.Fatal(err)
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}
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r := httptest.NewRequest(http.MethodPost, path, bytes.NewReader(buf))
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w := httptest.NewRecorder()
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s.ServeHTTP(w, r)
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return w.Result()
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}
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func TestCustomHTTPRequestValidator(t *testing.T) {
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testCases := map[string]struct {
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path string
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expected int
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validator func(*http.Request) bool
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}{
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"default": {"/dns-query", http.StatusOK, nil},
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"custom validator": {"/b10cada", http.StatusOK, validator},
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"no validator set": {"/adb10c", http.StatusNotFound, nil},
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"invalid path with validator": {"/helloworld", http.StatusNotFound, validator},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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res := testServerHTTPS(t, tc.path, tc.validator)
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if res.StatusCode != tc.expected {
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t.Error("unexpected HTTP code", res.StatusCode)
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}
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})
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}
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}
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