* 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>
524 lines
14 KiB
Go
Vendored
524 lines
14 KiB
Go
Vendored
// Copyright (c) 2016 Uber Technologies, Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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package zapcore
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import (
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"encoding/base64"
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"encoding/json"
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"math"
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"sync"
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"time"
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"unicode/utf8"
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"go.uber.org/zap/buffer"
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"go.uber.org/zap/internal/bufferpool"
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)
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// For JSON-escaping; see jsonEncoder.safeAddString below.
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const _hex = "0123456789abcdef"
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var _jsonPool = sync.Pool{New: func() interface{} {
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return &jsonEncoder{}
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}}
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func getJSONEncoder() *jsonEncoder {
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return _jsonPool.Get().(*jsonEncoder)
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}
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func putJSONEncoder(enc *jsonEncoder) {
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if enc.reflectBuf != nil {
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enc.reflectBuf.Free()
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}
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enc.EncoderConfig = nil
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enc.buf = nil
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enc.spaced = false
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enc.openNamespaces = 0
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enc.reflectBuf = nil
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enc.reflectEnc = nil
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_jsonPool.Put(enc)
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}
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type jsonEncoder struct {
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*EncoderConfig
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buf *buffer.Buffer
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spaced bool // include spaces after colons and commas
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openNamespaces int
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// for encoding generic values by reflection
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reflectBuf *buffer.Buffer
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reflectEnc *json.Encoder
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}
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// NewJSONEncoder creates a fast, low-allocation JSON encoder. The encoder
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// appropriately escapes all field keys and values.
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//
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// Note that the encoder doesn't deduplicate keys, so it's possible to produce
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// a message like
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// {"foo":"bar","foo":"baz"}
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// This is permitted by the JSON specification, but not encouraged. Many
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// libraries will ignore duplicate key-value pairs (typically keeping the last
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// pair) when unmarshaling, but users should attempt to avoid adding duplicate
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// keys.
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func NewJSONEncoder(cfg EncoderConfig) Encoder {
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return newJSONEncoder(cfg, false)
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}
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func newJSONEncoder(cfg EncoderConfig, spaced bool) *jsonEncoder {
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return &jsonEncoder{
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EncoderConfig: &cfg,
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buf: bufferpool.Get(),
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spaced: spaced,
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}
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}
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func (enc *jsonEncoder) AddArray(key string, arr ArrayMarshaler) error {
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enc.addKey(key)
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return enc.AppendArray(arr)
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}
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func (enc *jsonEncoder) AddObject(key string, obj ObjectMarshaler) error {
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enc.addKey(key)
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return enc.AppendObject(obj)
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}
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func (enc *jsonEncoder) AddBinary(key string, val []byte) {
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enc.AddString(key, base64.StdEncoding.EncodeToString(val))
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}
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func (enc *jsonEncoder) AddByteString(key string, val []byte) {
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enc.addKey(key)
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enc.AppendByteString(val)
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}
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func (enc *jsonEncoder) AddBool(key string, val bool) {
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enc.addKey(key)
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enc.AppendBool(val)
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}
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func (enc *jsonEncoder) AddComplex128(key string, val complex128) {
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enc.addKey(key)
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enc.AppendComplex128(val)
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}
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func (enc *jsonEncoder) AddDuration(key string, val time.Duration) {
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enc.addKey(key)
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enc.AppendDuration(val)
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}
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func (enc *jsonEncoder) AddFloat64(key string, val float64) {
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enc.addKey(key)
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enc.AppendFloat64(val)
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}
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func (enc *jsonEncoder) AddInt64(key string, val int64) {
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enc.addKey(key)
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enc.AppendInt64(val)
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}
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func (enc *jsonEncoder) resetReflectBuf() {
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if enc.reflectBuf == nil {
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enc.reflectBuf = bufferpool.Get()
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enc.reflectEnc = json.NewEncoder(enc.reflectBuf)
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// For consistency with our custom JSON encoder.
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enc.reflectEnc.SetEscapeHTML(false)
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} else {
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enc.reflectBuf.Reset()
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}
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}
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var nullLiteralBytes = []byte("null")
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// Only invoke the standard JSON encoder if there is actually something to
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// encode; otherwise write JSON null literal directly.
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func (enc *jsonEncoder) encodeReflected(obj interface{}) ([]byte, error) {
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if obj == nil {
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return nullLiteralBytes, nil
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}
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enc.resetReflectBuf()
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if err := enc.reflectEnc.Encode(obj); err != nil {
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return nil, err
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}
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enc.reflectBuf.TrimNewline()
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return enc.reflectBuf.Bytes(), nil
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}
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func (enc *jsonEncoder) AddReflected(key string, obj interface{}) error {
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valueBytes, err := enc.encodeReflected(obj)
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if err != nil {
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return err
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}
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enc.addKey(key)
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_, err = enc.buf.Write(valueBytes)
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return err
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}
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func (enc *jsonEncoder) OpenNamespace(key string) {
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enc.addKey(key)
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enc.buf.AppendByte('{')
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enc.openNamespaces++
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}
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func (enc *jsonEncoder) AddString(key, val string) {
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enc.addKey(key)
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enc.AppendString(val)
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}
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func (enc *jsonEncoder) AddTime(key string, val time.Time) {
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enc.addKey(key)
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enc.AppendTime(val)
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}
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func (enc *jsonEncoder) AddUint64(key string, val uint64) {
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enc.addKey(key)
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enc.AppendUint64(val)
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}
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func (enc *jsonEncoder) AppendArray(arr ArrayMarshaler) error {
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enc.addElementSeparator()
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enc.buf.AppendByte('[')
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err := arr.MarshalLogArray(enc)
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enc.buf.AppendByte(']')
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return err
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}
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func (enc *jsonEncoder) AppendObject(obj ObjectMarshaler) error {
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enc.addElementSeparator()
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enc.buf.AppendByte('{')
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err := obj.MarshalLogObject(enc)
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enc.buf.AppendByte('}')
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return err
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}
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func (enc *jsonEncoder) AppendBool(val bool) {
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enc.addElementSeparator()
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enc.buf.AppendBool(val)
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}
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func (enc *jsonEncoder) AppendByteString(val []byte) {
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enc.addElementSeparator()
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enc.buf.AppendByte('"')
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enc.safeAddByteString(val)
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enc.buf.AppendByte('"')
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}
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func (enc *jsonEncoder) AppendComplex128(val complex128) {
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enc.addElementSeparator()
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// Cast to a platform-independent, fixed-size type.
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r, i := float64(real(val)), float64(imag(val))
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enc.buf.AppendByte('"')
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// Because we're always in a quoted string, we can use strconv without
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// special-casing NaN and +/-Inf.
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enc.buf.AppendFloat(r, 64)
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enc.buf.AppendByte('+')
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enc.buf.AppendFloat(i, 64)
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enc.buf.AppendByte('i')
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enc.buf.AppendByte('"')
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}
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func (enc *jsonEncoder) AppendDuration(val time.Duration) {
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cur := enc.buf.Len()
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enc.EncodeDuration(val, enc)
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if cur == enc.buf.Len() {
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// User-supplied EncodeDuration is a no-op. Fall back to nanoseconds to keep
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// JSON valid.
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enc.AppendInt64(int64(val))
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}
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}
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func (enc *jsonEncoder) AppendInt64(val int64) {
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enc.addElementSeparator()
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enc.buf.AppendInt(val)
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}
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func (enc *jsonEncoder) AppendReflected(val interface{}) error {
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valueBytes, err := enc.encodeReflected(val)
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if err != nil {
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return err
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}
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enc.addElementSeparator()
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_, err = enc.buf.Write(valueBytes)
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return err
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}
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func (enc *jsonEncoder) AppendString(val string) {
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enc.addElementSeparator()
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enc.buf.AppendByte('"')
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enc.safeAddString(val)
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enc.buf.AppendByte('"')
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}
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func (enc *jsonEncoder) AppendTimeLayout(time time.Time, layout string) {
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enc.addElementSeparator()
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enc.buf.AppendByte('"')
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enc.buf.AppendTime(time, layout)
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enc.buf.AppendByte('"')
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}
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func (enc *jsonEncoder) AppendTime(val time.Time) {
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cur := enc.buf.Len()
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enc.EncodeTime(val, enc)
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if cur == enc.buf.Len() {
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// User-supplied EncodeTime is a no-op. Fall back to nanos since epoch to keep
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// output JSON valid.
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enc.AppendInt64(val.UnixNano())
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}
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}
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func (enc *jsonEncoder) AppendUint64(val uint64) {
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enc.addElementSeparator()
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enc.buf.AppendUint(val)
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}
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func (enc *jsonEncoder) AddComplex64(k string, v complex64) { enc.AddComplex128(k, complex128(v)) }
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func (enc *jsonEncoder) AddFloat32(k string, v float32) { enc.AddFloat64(k, float64(v)) }
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func (enc *jsonEncoder) AddInt(k string, v int) { enc.AddInt64(k, int64(v)) }
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func (enc *jsonEncoder) AddInt32(k string, v int32) { enc.AddInt64(k, int64(v)) }
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func (enc *jsonEncoder) AddInt16(k string, v int16) { enc.AddInt64(k, int64(v)) }
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func (enc *jsonEncoder) AddInt8(k string, v int8) { enc.AddInt64(k, int64(v)) }
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func (enc *jsonEncoder) AddUint(k string, v uint) { enc.AddUint64(k, uint64(v)) }
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func (enc *jsonEncoder) AddUint32(k string, v uint32) { enc.AddUint64(k, uint64(v)) }
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func (enc *jsonEncoder) AddUint16(k string, v uint16) { enc.AddUint64(k, uint64(v)) }
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func (enc *jsonEncoder) AddUint8(k string, v uint8) { enc.AddUint64(k, uint64(v)) }
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func (enc *jsonEncoder) AddUintptr(k string, v uintptr) { enc.AddUint64(k, uint64(v)) }
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func (enc *jsonEncoder) AppendComplex64(v complex64) { enc.AppendComplex128(complex128(v)) }
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func (enc *jsonEncoder) AppendFloat64(v float64) { enc.appendFloat(v, 64) }
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func (enc *jsonEncoder) AppendFloat32(v float32) { enc.appendFloat(float64(v), 32) }
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func (enc *jsonEncoder) AppendInt(v int) { enc.AppendInt64(int64(v)) }
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func (enc *jsonEncoder) AppendInt32(v int32) { enc.AppendInt64(int64(v)) }
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func (enc *jsonEncoder) AppendInt16(v int16) { enc.AppendInt64(int64(v)) }
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func (enc *jsonEncoder) AppendInt8(v int8) { enc.AppendInt64(int64(v)) }
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func (enc *jsonEncoder) AppendUint(v uint) { enc.AppendUint64(uint64(v)) }
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func (enc *jsonEncoder) AppendUint32(v uint32) { enc.AppendUint64(uint64(v)) }
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func (enc *jsonEncoder) AppendUint16(v uint16) { enc.AppendUint64(uint64(v)) }
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func (enc *jsonEncoder) AppendUint8(v uint8) { enc.AppendUint64(uint64(v)) }
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func (enc *jsonEncoder) AppendUintptr(v uintptr) { enc.AppendUint64(uint64(v)) }
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func (enc *jsonEncoder) Clone() Encoder {
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clone := enc.clone()
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clone.buf.Write(enc.buf.Bytes())
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return clone
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}
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func (enc *jsonEncoder) clone() *jsonEncoder {
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clone := getJSONEncoder()
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clone.EncoderConfig = enc.EncoderConfig
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clone.spaced = enc.spaced
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clone.openNamespaces = enc.openNamespaces
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clone.buf = bufferpool.Get()
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return clone
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}
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func (enc *jsonEncoder) EncodeEntry(ent Entry, fields []Field) (*buffer.Buffer, error) {
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final := enc.clone()
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final.buf.AppendByte('{')
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if final.LevelKey != "" {
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final.addKey(final.LevelKey)
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cur := final.buf.Len()
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final.EncodeLevel(ent.Level, final)
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if cur == final.buf.Len() {
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// User-supplied EncodeLevel was a no-op. Fall back to strings to keep
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// output JSON valid.
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final.AppendString(ent.Level.String())
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}
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}
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if final.TimeKey != "" {
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final.AddTime(final.TimeKey, ent.Time)
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}
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if ent.LoggerName != "" && final.NameKey != "" {
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final.addKey(final.NameKey)
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cur := final.buf.Len()
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nameEncoder := final.EncodeName
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// if no name encoder provided, fall back to FullNameEncoder for backwards
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// compatibility
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if nameEncoder == nil {
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nameEncoder = FullNameEncoder
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}
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nameEncoder(ent.LoggerName, final)
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if cur == final.buf.Len() {
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// User-supplied EncodeName was a no-op. Fall back to strings to
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// keep output JSON valid.
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final.AppendString(ent.LoggerName)
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}
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}
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if ent.Caller.Defined && final.CallerKey != "" {
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final.addKey(final.CallerKey)
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cur := final.buf.Len()
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final.EncodeCaller(ent.Caller, final)
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if cur == final.buf.Len() {
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// User-supplied EncodeCaller was a no-op. Fall back to strings to
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// keep output JSON valid.
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final.AppendString(ent.Caller.String())
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}
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}
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if final.MessageKey != "" {
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final.addKey(enc.MessageKey)
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final.AppendString(ent.Message)
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}
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if enc.buf.Len() > 0 {
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final.addElementSeparator()
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final.buf.Write(enc.buf.Bytes())
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}
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addFields(final, fields)
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final.closeOpenNamespaces()
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if ent.Stack != "" && final.StacktraceKey != "" {
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final.AddString(final.StacktraceKey, ent.Stack)
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}
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final.buf.AppendByte('}')
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if final.LineEnding != "" {
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final.buf.AppendString(final.LineEnding)
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} else {
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final.buf.AppendString(DefaultLineEnding)
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}
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ret := final.buf
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putJSONEncoder(final)
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return ret, nil
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}
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func (enc *jsonEncoder) truncate() {
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enc.buf.Reset()
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}
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func (enc *jsonEncoder) closeOpenNamespaces() {
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for i := 0; i < enc.openNamespaces; i++ {
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enc.buf.AppendByte('}')
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}
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}
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func (enc *jsonEncoder) addKey(key string) {
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enc.addElementSeparator()
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enc.buf.AppendByte('"')
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enc.safeAddString(key)
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enc.buf.AppendByte('"')
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enc.buf.AppendByte(':')
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if enc.spaced {
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enc.buf.AppendByte(' ')
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}
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}
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func (enc *jsonEncoder) addElementSeparator() {
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last := enc.buf.Len() - 1
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if last < 0 {
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return
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}
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switch enc.buf.Bytes()[last] {
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case '{', '[', ':', ',', ' ':
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return
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default:
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enc.buf.AppendByte(',')
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if enc.spaced {
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enc.buf.AppendByte(' ')
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}
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}
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}
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func (enc *jsonEncoder) appendFloat(val float64, bitSize int) {
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enc.addElementSeparator()
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switch {
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case math.IsNaN(val):
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enc.buf.AppendString(`"NaN"`)
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case math.IsInf(val, 1):
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enc.buf.AppendString(`"+Inf"`)
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case math.IsInf(val, -1):
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enc.buf.AppendString(`"-Inf"`)
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default:
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enc.buf.AppendFloat(val, bitSize)
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}
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}
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// safeAddString JSON-escapes a string and appends it to the internal buffer.
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// Unlike the standard library's encoder, it doesn't attempt to protect the
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// user from browser vulnerabilities or JSONP-related problems.
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func (enc *jsonEncoder) safeAddString(s string) {
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for i := 0; i < len(s); {
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if enc.tryAddRuneSelf(s[i]) {
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i++
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continue
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}
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r, size := utf8.DecodeRuneInString(s[i:])
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if enc.tryAddRuneError(r, size) {
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i++
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continue
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}
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enc.buf.AppendString(s[i : i+size])
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i += size
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}
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}
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// safeAddByteString is no-alloc equivalent of safeAddString(string(s)) for s []byte.
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func (enc *jsonEncoder) safeAddByteString(s []byte) {
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for i := 0; i < len(s); {
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if enc.tryAddRuneSelf(s[i]) {
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i++
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continue
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}
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r, size := utf8.DecodeRune(s[i:])
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if enc.tryAddRuneError(r, size) {
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i++
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continue
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}
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enc.buf.Write(s[i : i+size])
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i += size
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}
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}
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// tryAddRuneSelf appends b if it is valid UTF-8 character represented in a single byte.
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func (enc *jsonEncoder) tryAddRuneSelf(b byte) bool {
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if b >= utf8.RuneSelf {
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return false
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}
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if 0x20 <= b && b != '\\' && b != '"' {
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enc.buf.AppendByte(b)
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return true
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}
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switch b {
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case '\\', '"':
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enc.buf.AppendByte('\\')
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enc.buf.AppendByte(b)
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case '\n':
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enc.buf.AppendByte('\\')
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enc.buf.AppendByte('n')
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case '\r':
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|
enc.buf.AppendByte('\\')
|
|
enc.buf.AppendByte('r')
|
|
case '\t':
|
|
enc.buf.AppendByte('\\')
|
|
enc.buf.AppendByte('t')
|
|
default:
|
|
// Encode bytes < 0x20, except for the escape sequences above.
|
|
enc.buf.AppendString(`\u00`)
|
|
enc.buf.AppendByte(_hex[b>>4])
|
|
enc.buf.AppendByte(_hex[b&0xF])
|
|
}
|
|
return true
|
|
}
|
|
|
|
func (enc *jsonEncoder) tryAddRuneError(r rune, size int) bool {
|
|
if r == utf8.RuneError && size == 1 {
|
|
enc.buf.AppendString(`\ufffd`)
|
|
return true
|
|
}
|
|
return false
|
|
}
|