vendor

vendor/github.com/google/certificate-transparency-go/client/getentries.go

@@ -0,0 +1,75 @@
+// 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
+}