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Fixes issue with windows users & letsencrypt Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
133 lines
4.0 KiB
Go
Vendored
133 lines
4.0 KiB
Go
Vendored
// Copyright (c) 2017 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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"fmt"
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"reflect"
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"sync"
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)
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// Encodes the given error into fields of an object. A field with the given
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// name is added for the error message.
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//
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// If the error implements fmt.Formatter, a field with the name ${key}Verbose
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// is also added with the full verbose error message.
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//
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// Finally, if the error implements errorGroup (from go.uber.org/multierr) or
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// causer (from github.com/pkg/errors), a ${key}Causes field is added with an
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// array of objects containing the errors this error was comprised of.
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//
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// {
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// "error": err.Error(),
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// "errorVerbose": fmt.Sprintf("%+v", err),
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// "errorCauses": [
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// ...
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// ],
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// }
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func encodeError(key string, err error, enc ObjectEncoder) (retErr error) {
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// Try to capture panics (from nil references or otherwise) when calling
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// the Error() method
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defer func() {
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if rerr := recover(); rerr != nil {
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// If it's a nil pointer, just say "<nil>". The likeliest causes are a
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// error that fails to guard against nil or a nil pointer for a
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// value receiver, and in either case, "<nil>" is a nice result.
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if v := reflect.ValueOf(err); v.Kind() == reflect.Ptr && v.IsNil() {
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enc.AddString(key, "<nil>")
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return
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}
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retErr = fmt.Errorf("PANIC=%v", rerr)
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}
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}()
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basic := err.Error()
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enc.AddString(key, basic)
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switch e := err.(type) {
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case errorGroup:
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return enc.AddArray(key+"Causes", errArray(e.Errors()))
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case fmt.Formatter:
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verbose := fmt.Sprintf("%+v", e)
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if verbose != basic {
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// This is a rich error type, like those produced by
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// github.com/pkg/errors.
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enc.AddString(key+"Verbose", verbose)
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}
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}
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return nil
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}
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type errorGroup interface {
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// Provides read-only access to the underlying list of errors, preferably
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// without causing any allocs.
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Errors() []error
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}
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// Note that errArray and errArrayElem are very similar to the version
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// implemented in the top-level error.go file. We can't re-use this because
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// that would require exporting errArray as part of the zapcore API.
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// Encodes a list of errors using the standard error encoding logic.
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type errArray []error
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func (errs errArray) MarshalLogArray(arr ArrayEncoder) error {
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for i := range errs {
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if errs[i] == nil {
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continue
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}
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el := newErrArrayElem(errs[i])
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arr.AppendObject(el)
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el.Free()
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}
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return nil
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}
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var _errArrayElemPool = sync.Pool{New: func() interface{} {
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return &errArrayElem{}
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}}
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// Encodes any error into a {"error": ...} re-using the same errors logic.
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//
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// May be passed in place of an array to build a single-element array.
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type errArrayElem struct{ err error }
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func newErrArrayElem(err error) *errArrayElem {
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e := _errArrayElemPool.Get().(*errArrayElem)
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e.err = err
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return e
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}
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func (e *errArrayElem) MarshalLogArray(arr ArrayEncoder) error {
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return arr.AppendObject(e)
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}
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func (e *errArrayElem) MarshalLogObject(enc ObjectEncoder) error {
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return encodeError("error", e.err, enc)
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}
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func (e *errArrayElem) Free() {
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e.err = nil
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_errArrayElemPool.Put(e)
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}
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