83 lines
2.0 KiB
Go
83 lines
2.0 KiB
Go
package task
|
|
|
|
import (
|
|
"context"
|
|
"encoding/json"
|
|
"errors"
|
|
|
|
"cuelang.org/go/cue"
|
|
"github.com/rs/zerolog/log"
|
|
"go.dagger.io/dagger/compiler"
|
|
"go.dagger.io/dagger/plancontext"
|
|
"go.dagger.io/dagger/solver"
|
|
"gopkg.in/yaml.v3"
|
|
)
|
|
|
|
func init() {
|
|
Register("DecodeSecret", func() Task { return &decodeSecretTask{} })
|
|
}
|
|
|
|
type decodeSecretTask struct {
|
|
}
|
|
|
|
func (c *decodeSecretTask) Run(ctx context.Context, pctx *plancontext.Context, _ solver.Solver, v *compiler.Value) (*compiler.Value, error) {
|
|
lg := log.Ctx(ctx)
|
|
lg.Debug().Msg("decoding secret")
|
|
|
|
input := v.Lookup("input")
|
|
|
|
inputSecret, err := pctx.Secrets.FromValue(input)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
format, err := v.Lookup("format").String()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
lg.Debug().Str("format", format).Msg("unmarshaling secret")
|
|
|
|
inputSecretPlaintext := inputSecret.PlainText()
|
|
|
|
var unmarshaled map[string]interface{}
|
|
|
|
switch format {
|
|
case "json":
|
|
err = json.Unmarshal([]byte(inputSecretPlaintext), &unmarshaled)
|
|
case "yaml":
|
|
err = yaml.Unmarshal([]byte(inputSecretPlaintext), &unmarshaled)
|
|
}
|
|
|
|
if err != nil {
|
|
// returning err here could expose secret plaintext!
|
|
return nil, errors.New("could not unmarshal secret")
|
|
}
|
|
|
|
output := compiler.NewValue()
|
|
|
|
// recurse over unmarshaled to convert string values to secrets
|
|
var convert func(p []cue.Selector, i interface{})
|
|
convert = func(p []cue.Selector, i interface{}) {
|
|
switch entry := i.(type) {
|
|
case string:
|
|
secret := pctx.Secrets.New(entry)
|
|
p = append(p, cue.ParsePath("contents").Selectors()...)
|
|
logPath := cue.MakePath(p[1 : len(p)-1]...)
|
|
lg.Debug().Str("path", logPath.String()).Str("type", "string").Msg("found secret")
|
|
path := cue.MakePath(p...)
|
|
output.FillPath(path, secret.MarshalCUE())
|
|
case map[string]interface{}:
|
|
for k, v := range entry {
|
|
np := append([]cue.Selector{}, p...)
|
|
np = append(np, cue.ParsePath(k).Selectors()...)
|
|
convert(np, v)
|
|
}
|
|
}
|
|
}
|
|
|
|
convert(cue.ParsePath("output").Selectors(), unmarshaled)
|
|
|
|
return output, nil
|
|
}
|