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