* use certmagic for more extensible/robust ACME cert handling * accept TOS based on config option Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: zeripath <art27@cantab.net> Co-authored-by: Lauris BH <lauris@nix.lv>
123 lines
3.4 KiB
Go
Vendored
123 lines
3.4 KiB
Go
Vendored
// Copyright (c) 2016 Uber Technologies, Inc.
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
package zapcore
|
|
|
|
import (
|
|
"io"
|
|
"sync"
|
|
|
|
"go.uber.org/multierr"
|
|
)
|
|
|
|
// A WriteSyncer is an io.Writer that can also flush any buffered data. Note
|
|
// that *os.File (and thus, os.Stderr and os.Stdout) implement WriteSyncer.
|
|
type WriteSyncer interface {
|
|
io.Writer
|
|
Sync() error
|
|
}
|
|
|
|
// AddSync converts an io.Writer to a WriteSyncer. It attempts to be
|
|
// intelligent: if the concrete type of the io.Writer implements WriteSyncer,
|
|
// we'll use the existing Sync method. If it doesn't, we'll add a no-op Sync.
|
|
func AddSync(w io.Writer) WriteSyncer {
|
|
switch w := w.(type) {
|
|
case WriteSyncer:
|
|
return w
|
|
default:
|
|
return writerWrapper{w}
|
|
}
|
|
}
|
|
|
|
type lockedWriteSyncer struct {
|
|
sync.Mutex
|
|
ws WriteSyncer
|
|
}
|
|
|
|
// Lock wraps a WriteSyncer in a mutex to make it safe for concurrent use. In
|
|
// particular, *os.Files must be locked before use.
|
|
func Lock(ws WriteSyncer) WriteSyncer {
|
|
if _, ok := ws.(*lockedWriteSyncer); ok {
|
|
// no need to layer on another lock
|
|
return ws
|
|
}
|
|
return &lockedWriteSyncer{ws: ws}
|
|
}
|
|
|
|
func (s *lockedWriteSyncer) Write(bs []byte) (int, error) {
|
|
s.Lock()
|
|
n, err := s.ws.Write(bs)
|
|
s.Unlock()
|
|
return n, err
|
|
}
|
|
|
|
func (s *lockedWriteSyncer) Sync() error {
|
|
s.Lock()
|
|
err := s.ws.Sync()
|
|
s.Unlock()
|
|
return err
|
|
}
|
|
|
|
type writerWrapper struct {
|
|
io.Writer
|
|
}
|
|
|
|
func (w writerWrapper) Sync() error {
|
|
return nil
|
|
}
|
|
|
|
type multiWriteSyncer []WriteSyncer
|
|
|
|
// NewMultiWriteSyncer creates a WriteSyncer that duplicates its writes
|
|
// and sync calls, much like io.MultiWriter.
|
|
func NewMultiWriteSyncer(ws ...WriteSyncer) WriteSyncer {
|
|
if len(ws) == 1 {
|
|
return ws[0]
|
|
}
|
|
// Copy to protect against https://github.com/golang/go/issues/7809
|
|
return multiWriteSyncer(append([]WriteSyncer(nil), ws...))
|
|
}
|
|
|
|
// See https://golang.org/src/io/multi.go
|
|
// When not all underlying syncers write the same number of bytes,
|
|
// the smallest number is returned even though Write() is called on
|
|
// all of them.
|
|
func (ws multiWriteSyncer) Write(p []byte) (int, error) {
|
|
var writeErr error
|
|
nWritten := 0
|
|
for _, w := range ws {
|
|
n, err := w.Write(p)
|
|
writeErr = multierr.Append(writeErr, err)
|
|
if nWritten == 0 && n != 0 {
|
|
nWritten = n
|
|
} else if n < nWritten {
|
|
nWritten = n
|
|
}
|
|
}
|
|
return nWritten, writeErr
|
|
}
|
|
|
|
func (ws multiWriteSyncer) Sync() error {
|
|
var err error
|
|
for _, w := range ws {
|
|
err = multierr.Append(err, w.Sync())
|
|
}
|
|
return err
|
|
}
|