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// Copyright 2016 Google LLC. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package client
import (
"context"
"errors"
"strconv"
ct "github.com/google/certificate-transparency-go"
"github.com/google/certificate-transparency-go/x509"
)
// GetRawEntries exposes the /ct/v1/get-entries result with only the JSON parsing done.
func (c *LogClient) GetRawEntries(ctx context.Context, start, end int64) (*ct.GetEntriesResponse, error) {
if end < 0 {
return nil, errors.New("end should be >= 0")
}
if end < start {
return nil, errors.New("start should be <= end")
}
params := map[string]string{
"start": strconv.FormatInt(start, 10),
"end": strconv.FormatInt(end, 10),
}
var resp ct.GetEntriesResponse
if _, _, err := c.GetAndParse(ctx, ct.GetEntriesPath, params, &resp); err != nil {
return nil, err
}
return &resp, nil
}
// GetEntries attempts to retrieve the entries in the sequence [start, end] from the CT log server
// (RFC6962 s4.6) as parsed [pre-]certificates for convenience, held in a slice of ct.LogEntry structures.
// However, this does mean that any certificate parsing failures will cause a failure of the whole
// retrieval operation; for more robust retrieval of parsed certificates, use GetRawEntries() and invoke
// ct.LogEntryFromLeaf() on each individual entry.
func (c *LogClient) GetEntries(ctx context.Context, start, end int64) ([]ct.LogEntry, error) {
resp, err := c.GetRawEntries(ctx, start, end)
if err != nil {
return nil, err
}
entries := make([]ct.LogEntry, len(resp.Entries))
for i, entry := range resp.Entries {
index := start + int64(i)
logEntry, err := ct.LogEntryFromLeaf(index, &entry)
if x509.IsFatal(err) {
return nil, err
}
entries[i] = *logEntry
}
return entries, nil
}
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