68 lines
1.6 KiB
Go
68 lines
1.6 KiB
Go
// Package krberror provides error type and functions for gokrb5.
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package krberror
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import (
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"fmt"
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"strings"
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)
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// Error type descriptions.
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const (
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separator = " < "
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EncodingError = "Encoding_Error"
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NetworkingError = "Networking_Error"
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DecryptingError = "Decrypting_Error"
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EncryptingError = "Encrypting_Error"
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ChksumError = "Checksum_Error"
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KRBMsgError = "KRBMessage_Handling_Error"
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ConfigError = "Configuration_Error"
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KDCError = "KDC_Error"
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)
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// Krberror is an error type for gokrb5
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type Krberror struct {
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RootCause string
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EText []string
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}
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// Error function to implement the error interface.
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func (e Krberror) Error() string {
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return fmt.Sprintf("[Root cause: %s] ", e.RootCause) + strings.Join(e.EText, separator)
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}
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// Add another error statement to the error.
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func (e *Krberror) Add(et string, s string) {
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e.EText = append([]string{fmt.Sprintf("%s: %s", et, s)}, e.EText...)
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}
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// NewKrberror creates a new instance of Krberror.
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func NewKrberror(et, s string) Krberror {
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return Krberror{
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RootCause: et,
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EText: []string{s},
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}
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}
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// Errorf appends to or creates a new Krberror.
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func Errorf(err error, et, format string, a ...interface{}) Krberror {
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if e, ok := err.(Krberror); ok {
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e.Add(et, fmt.Sprintf(format, a...))
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return e
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}
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return NewErrorf(et, format+": %s", append(a, err)...)
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}
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// NewErrorf creates a new Krberror from a formatted string.
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func NewErrorf(et, format string, a ...interface{}) Krberror {
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var s string
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if len(a) > 0 {
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s = fmt.Sprintf("%s: %s", et, fmt.Sprintf(format, a...))
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} else {
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s = fmt.Sprintf("%s: %s", et, format)
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}
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return Krberror{
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RootCause: et,
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EText: []string{s},
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}
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}
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