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package tls
import (
"encoding/pem"
"fmt"
"io/ioutil"
"net/http"
"net/http/httptest"
"net/url"
"os"
"strings"
"testing"
)
// createCAFile writes a PEM encoded version of the certificate out to a
// temporary file, for use by libtls.
func createCAFile(cert []byte) (string, error) {
f, err := ioutil.TempFile("", "tls")
if err != nil {
return "", fmt.Errorf("failed to create file: %v", err)
}
defer f.Close()
block := &pem.Block{
Type: "CERTIFICATE",
Bytes: cert,
}
if err := pem.Encode(f, block); err != nil {
return "", fmt.Errorf("failed to encode certificate: %v", err)
}
return f.Name(), nil
}
const httpContent = "Hello, TLS!"
func TestTLSBasic(t *testing.T) {
ts := httptest.NewTLSServer(
http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
fmt.Fprintln(w, httpContent)
},
),
)
defer ts.Close()
u, err := url.Parse(ts.URL)
if err != nil {
t.Fatalf("Failed to parse URL %q: %v", ts.URL, err)
}
caFile, err := createCAFile(ts.TLS.Certificates[0].Certificate[0])
if err != nil {
t.Fatalf("Failed to create CA file: %v", err)
}
defer os.Remove(caFile)
if err := Init(); err != nil {
t.Fatal(err)
}
cfg, err := NewConfig()
if err != nil {
t.Fatal(err)
}
defer cfg.Free()
cfg.SetCAFile(caFile)
tls, err := NewClient(cfg)
if err != nil {
t.Fatal(err)
}
defer tls.Free()
t.Logf("Connecting to %s", u.Host)
if err := tls.Connect(u.Host, ""); err != nil {
t.Fatal(err)
}
defer func() {
if err := tls.Close(); err != nil {
t.Fatalf("Close failed: %v", err)
}
}()
n, err := tls.Write([]byte("GET / HTTP/1.0\n\n"))
if err != nil {
t.Fatal(err)
}
t.Logf("Wrote %d bytes...", n)
buf := make([]byte, 1024)
n, err = tls.Read(buf)
if err != nil {
t.Fatal(err)
}
t.Logf("Read %d bytes...", n)
if !strings.Contains(string(buf), httpContent) {
t.Errorf("Response does not contain %q", httpContent)
}
}
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