mirror of
https://github.com/go-gitea/gitea.git
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* 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>
169 lines
5.2 KiB
Go
Vendored
169 lines
5.2 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 zap
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import (
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"bytes"
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"fmt"
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"log"
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"os"
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"sync"
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"go.uber.org/zap/zapcore"
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)
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const (
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_loggerWriterDepth = 2
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_programmerErrorTemplate = "You've found a bug in zap! Please file a bug at " +
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"https://github.com/uber-go/zap/issues/new and reference this error: %v"
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)
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var (
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_globalMu sync.RWMutex
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_globalL = NewNop()
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_globalS = _globalL.Sugar()
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)
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// L returns the global Logger, which can be reconfigured with ReplaceGlobals.
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// It's safe for concurrent use.
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func L() *Logger {
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_globalMu.RLock()
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l := _globalL
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_globalMu.RUnlock()
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return l
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}
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// S returns the global SugaredLogger, which can be reconfigured with
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// ReplaceGlobals. It's safe for concurrent use.
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func S() *SugaredLogger {
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_globalMu.RLock()
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s := _globalS
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_globalMu.RUnlock()
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return s
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}
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// ReplaceGlobals replaces the global Logger and SugaredLogger, and returns a
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// function to restore the original values. It's safe for concurrent use.
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func ReplaceGlobals(logger *Logger) func() {
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_globalMu.Lock()
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prev := _globalL
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_globalL = logger
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_globalS = logger.Sugar()
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_globalMu.Unlock()
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return func() { ReplaceGlobals(prev) }
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}
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// NewStdLog returns a *log.Logger which writes to the supplied zap Logger at
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// InfoLevel. To redirect the standard library's package-global logging
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// functions, use RedirectStdLog instead.
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func NewStdLog(l *Logger) *log.Logger {
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logger := l.WithOptions(AddCallerSkip(_stdLogDefaultDepth + _loggerWriterDepth))
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f := logger.Info
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return log.New(&loggerWriter{f}, "" /* prefix */, 0 /* flags */)
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}
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// NewStdLogAt returns *log.Logger which writes to supplied zap logger at
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// required level.
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func NewStdLogAt(l *Logger, level zapcore.Level) (*log.Logger, error) {
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logger := l.WithOptions(AddCallerSkip(_stdLogDefaultDepth + _loggerWriterDepth))
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logFunc, err := levelToFunc(logger, level)
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if err != nil {
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return nil, err
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}
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return log.New(&loggerWriter{logFunc}, "" /* prefix */, 0 /* flags */), nil
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}
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// RedirectStdLog redirects output from the standard library's package-global
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// logger to the supplied logger at InfoLevel. Since zap already handles caller
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// annotations, timestamps, etc., it automatically disables the standard
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// library's annotations and prefixing.
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//
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// It returns a function to restore the original prefix and flags and reset the
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// standard library's output to os.Stderr.
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func RedirectStdLog(l *Logger) func() {
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f, err := redirectStdLogAt(l, InfoLevel)
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if err != nil {
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// Can't get here, since passing InfoLevel to redirectStdLogAt always
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// works.
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panic(fmt.Sprintf(_programmerErrorTemplate, err))
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}
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return f
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}
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// RedirectStdLogAt redirects output from the standard library's package-global
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// logger to the supplied logger at the specified level. Since zap already
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// handles caller annotations, timestamps, etc., it automatically disables the
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// standard library's annotations and prefixing.
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//
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// It returns a function to restore the original prefix and flags and reset the
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// standard library's output to os.Stderr.
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func RedirectStdLogAt(l *Logger, level zapcore.Level) (func(), error) {
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return redirectStdLogAt(l, level)
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}
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func redirectStdLogAt(l *Logger, level zapcore.Level) (func(), error) {
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flags := log.Flags()
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prefix := log.Prefix()
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log.SetFlags(0)
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log.SetPrefix("")
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logger := l.WithOptions(AddCallerSkip(_stdLogDefaultDepth + _loggerWriterDepth))
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logFunc, err := levelToFunc(logger, level)
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if err != nil {
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return nil, err
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}
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log.SetOutput(&loggerWriter{logFunc})
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return func() {
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log.SetFlags(flags)
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log.SetPrefix(prefix)
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log.SetOutput(os.Stderr)
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}, nil
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}
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func levelToFunc(logger *Logger, lvl zapcore.Level) (func(string, ...Field), error) {
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switch lvl {
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case DebugLevel:
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return logger.Debug, nil
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case InfoLevel:
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return logger.Info, nil
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case WarnLevel:
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return logger.Warn, nil
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case ErrorLevel:
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return logger.Error, nil
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case DPanicLevel:
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return logger.DPanic, nil
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case PanicLevel:
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return logger.Panic, nil
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case FatalLevel:
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return logger.Fatal, nil
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}
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return nil, fmt.Errorf("unrecognized level: %q", lvl)
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}
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type loggerWriter struct {
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logFunc func(msg string, fields ...Field)
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}
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func (l *loggerWriter) Write(p []byte) (int, error) {
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p = bytes.TrimSpace(p)
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l.logFunc(string(p))
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return len(p), nil
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}
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