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// Copyright 2019 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package tlog
import (
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"os"
"testing"
)
func TestCertificateTransparency(t *testing.T) {
// Test that we can verify actual Certificate Transparency proofs.
// (The other tests check that we can verify our own proofs;
// this is a test that the two are compatible.)
if testing.Short() {
t.Skip("skipping in -short mode")
}
var root ctTree
httpGET(t, "http://ct.googleapis.com/logs/argon2020/ct/v1/get-sth", &root)
var leaf ctEntries
httpGET(t, "http://ct.googleapis.com/logs/argon2020/ct/v1/get-entries?start=10000&end=10000", &leaf)
hash := RecordHash(leaf.Entries[0].Data)
var rp ctRecordProof
httpGET(t, "http://ct.googleapis.com/logs/argon2020/ct/v1/get-proof-by-hash?tree_size="+fmt.Sprint(root.Size)+"&hash="+url.QueryEscape(hash.String()), &rp)
err := CheckRecord(rp.Proof, root.Size, root.Hash, 10000, hash)
if err != nil {
t.Fatal(err)
}
var tp ctTreeProof
httpGET(t, "http://ct.googleapis.com/logs/argon2020/ct/v1/get-sth-consistency?first=3654490&second="+fmt.Sprint(root.Size), &tp)
oh, _ := ParseHash("AuIZ5V6sDUj1vn3Y1K85oOaQ7y+FJJKtyRTl1edIKBQ=")
err = CheckTree(tp.Proof, root.Size, root.Hash, 3654490, oh)
if err != nil {
t.Fatal(err)
}
}
type ctTree struct {
Size int64 `json:"tree_size"`
Hash Hash `json:"sha256_root_hash"`
}
type ctEntries struct {
Entries []*ctEntry
}
type ctEntry struct {
Data []byte `json:"leaf_input"`
}
type ctRecordProof struct {
Index int64 `json:"leaf_index"`
Proof RecordProof `json:"audit_path"`
}
type ctTreeProof struct {
Proof TreeProof `json:"consistency"`
}
func httpGET(t *testing.T, url string, targ interface{}) {
if testing.Verbose() {
println()
println(url)
}
resp, err := http.Get(url)
if err != nil {
t.Fatal(err)
}
defer resp.Body.Close()
data, err := io.ReadAll(resp.Body)
if err != nil {
t.Fatal(err)
}
if testing.Verbose() {
os.Stdout.Write(data)
}
err = json.Unmarshal(data, targ)
if err != nil {
println(url)
os.Stdout.Write(data)
t.Fatal(err)
}
}
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