78 lines
1.7 KiB
Go
78 lines
1.7 KiB
Go
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package ca
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import (
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"fmt"
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"reflect"
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"time"
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"github.com/hashicorp/consul/agent/structs"
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"github.com/mitchellh/mapstructure"
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)
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func ParseConsulCAConfig(raw map[string]interface{}) (*structs.ConsulCAProviderConfig, error) {
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var config structs.ConsulCAProviderConfig
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decodeConf := &mapstructure.DecoderConfig{
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DecodeHook: ParseDurationFunc(),
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ErrorUnused: true,
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Result: &config,
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WeaklyTypedInput: true,
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}
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decoder, err := mapstructure.NewDecoder(decodeConf)
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if err != nil {
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return nil, err
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}
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if err := decoder.Decode(raw); err != nil {
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return nil, fmt.Errorf("error decoding config: %s", err)
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}
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if config.PrivateKey == "" && config.RootCert != "" {
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return nil, fmt.Errorf("must provide a private key when providing a root cert")
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}
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return &config, nil
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}
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// ParseDurationFunc is a mapstructure hook for decoding a string or
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// []uint8 into a time.Duration value.
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func ParseDurationFunc() mapstructure.DecodeHookFunc {
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uint8ToString := func(bs []uint8) string {
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b := make([]byte, len(bs))
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for i, v := range bs {
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b[i] = byte(v)
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}
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return string(b)
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}
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return func(
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f reflect.Type,
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t reflect.Type,
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data interface{}) (interface{}, error) {
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var v time.Duration
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if t != reflect.TypeOf(v) {
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return data, nil
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}
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switch {
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case f.Kind() == reflect.String:
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if dur, err := time.ParseDuration(data.(string)); err != nil {
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return nil, err
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} else {
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v = dur
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}
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return v, nil
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case f == reflect.SliceOf(reflect.TypeOf(uint8(0))):
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s := uint8ToString(data.([]uint8))
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if dur, err := time.ParseDuration(s); err != nil {
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return nil, err
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} else {
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v = dur
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}
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return v, nil
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default:
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return data, nil
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}
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}
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}
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