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77 lines
1.4 KiB
Go
77 lines
1.4 KiB
Go
package buildflags
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import (
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"encoding/csv"
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"fmt"
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"strconv"
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"strings"
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"github.com/pkg/errors"
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)
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func CanonicalizeAttest(attestType string, in string) string {
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if in == "" {
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return ""
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}
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if b, err := strconv.ParseBool(in); err == nil {
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return fmt.Sprintf("type=%s,enabled=%t", attestType, b)
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}
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return fmt.Sprintf("type=%s,%s", attestType, in)
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}
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func ParseAttests(in []string) (map[string]*string, error) {
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out := map[string]*string{}
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for _, in := range in {
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in := in
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attestType, enabled, err := parseAttest(in)
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if err != nil {
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return nil, err
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}
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k := "attest:" + attestType
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if enabled {
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out[k] = &in
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} else {
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out[k] = nil
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}
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}
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return out, nil
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}
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func parseAttest(in string) (string, bool, error) {
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if in == "" {
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return "", false, nil
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}
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csvReader := csv.NewReader(strings.NewReader(in))
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fields, err := csvReader.Read()
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if err != nil {
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return "", false, err
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}
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attestType := ""
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enabled := true
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for _, field := range fields {
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key, value, ok := strings.Cut(field, "=")
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if !ok {
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return "", false, errors.Errorf("invalid value %s", field)
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}
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key = strings.TrimSpace(strings.ToLower(key))
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switch key {
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case "type":
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attestType = value
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case "enabled":
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enabled, err = strconv.ParseBool(value)
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if err != nil {
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return "", false, err
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}
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}
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}
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if attestType == "" {
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return "", false, errors.Errorf("attestation type not specified")
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}
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return attestType, enabled, nil
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}
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