| // Copyright 2016 Google Inc. 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), |
| } |
| if ctx == nil { |
| ctx = context.TODO() |
| } |
| |
| var resp ct.GetEntriesResponse |
| httpRsp, body, err := c.GetAndParse(ctx, ct.GetEntriesPath, params, &resp) |
| if err != nil { |
| if httpRsp != nil { |
| return nil, RspError{Err: err, StatusCode: httpRsp.StatusCode, Body: body} |
| } |
| 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 _, ok := err.(x509.NonFatalErrors); !ok && err != nil { |
| return nil, err |
| } |
| entries[i] = *logEntry |
| } |
| return entries, nil |
| } |