e4075dae18
* add AdvancedLoggingJSON to LogSettings and deprecate AdvancedLoggingConfig * allow embedded JSON in config for advanced logging.
87 строки
2.1 KiB
Go
87 строки
2.1 KiB
Go
// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
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// See LICENSE.txt for license information.
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package utils
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import (
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"bytes"
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"encoding/json"
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"strings"
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"github.com/pkg/errors"
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)
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type HumanizedJSONError struct {
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Err error
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Line int
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Character int
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}
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func (e *HumanizedJSONError) Error() string {
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return e.Err.Error()
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}
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// HumanizeJSONError extracts error offsets and annotates the error with useful context
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func HumanizeJSONError(err error, data []byte) error {
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if syntaxError, ok := err.(*json.SyntaxError); ok {
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return NewHumanizedJSONError(syntaxError, data, syntaxError.Offset)
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} else if unmarshalError, ok := err.(*json.UnmarshalTypeError); ok {
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return NewHumanizedJSONError(unmarshalError, data, unmarshalError.Offset)
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} else {
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return err
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}
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}
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func NewHumanizedJSONError(err error, data []byte, offset int64) *HumanizedJSONError {
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if err == nil {
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return nil
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}
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if offset < 0 || offset > int64(len(data)) {
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return &HumanizedJSONError{
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Err: errors.Wrapf(err, "invalid offset %d", offset),
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}
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}
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lineSep := []byte{'\n'}
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line := bytes.Count(data[:offset], lineSep) + 1
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lastLineOffset := bytes.LastIndex(data[:offset], lineSep)
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character := int(offset) - (lastLineOffset + 1) + 1
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return &HumanizedJSONError{
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Line: line,
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Character: character,
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Err: errors.Wrapf(err, "parsing error at line %d, character %d", line, character),
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}
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}
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func IsEmptyJSON(j json.RawMessage) bool {
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if len(j) == 0 || bytes.Equal(j, []byte("{}")) || bytes.Equal(j, []byte("\"\"")) || bytes.Equal(j, []byte("[]")) {
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return true
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}
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return false
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}
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func StringPtrToJSON(ptr *string) json.RawMessage {
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if ptr == nil || len(*ptr) == 0 {
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return []byte("{}")
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}
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s := *ptr
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if strings.HasPrefix(s, "{") && strings.HasSuffix(s, "}") {
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return []byte(s)
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}
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if strings.HasPrefix(s, "[") && strings.HasSuffix(s, "]") {
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return []byte(s)
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}
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if strings.HasPrefix(s, "\"") && strings.HasSuffix(s, "\"") {
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return []byte(s)
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}
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// This must be a bare string which will need quotes to make a valid JSON document.
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return []byte("\"" + s + "\"")
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}
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