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package buildflags
import (
"encoding/csv"
"strings"
controllerapi "github.com/docker/buildx/controller/pb"
"github.com/pkg/errors"
)
func ParseSecretSpecs(sl []string) ([]*controllerapi.Secret, error) {
fs := make([]*controllerapi.Secret, 0, len(sl))
for _, v := range sl {
s, err := parseSecret(v)
if err != nil {
return nil, err
}
fs = append(fs, s)
}
return fs, nil
}
func parseSecret(value string) (*controllerapi.Secret, error) {
csvReader := csv.NewReader(strings.NewReader(value))
fields, err := csvReader.Read()
if err != nil {
return nil, errors.Wrap(err, "failed to parse csv secret")
}
fs := controllerapi.Secret{}
var typ string
for _, field := range fields {
parts := strings.SplitN(field, "=", 2)
key := strings.ToLower(parts[0])
if len(parts) != 2 {
return nil, errors.Errorf("invalid field '%s' must be a key=value pair", field)
}
value := parts[1]
switch key {
case "type":
if value != "file" && value != "env" {
return nil, errors.Errorf("unsupported secret type %q", value)
}
typ = value
case "id":
fs.ID = value
case "source", "src":
fs.FilePath = value
case "env":
fs.Env = value
default:
return nil, errors.Errorf("unexpected key '%s' in '%s'", key, field)
}
}
if typ == "env" && fs.Env == "" {
fs.Env = fs.FilePath
fs.FilePath = ""
}
return &fs, nil
}
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