71 lines
1.5 KiB
Go
71 lines
1.5 KiB
Go
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package internal
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import (
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"encoding/json"
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"errors"
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"fmt"
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"os"
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"regexp"
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)
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type Passport struct {
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SubjectID string `json:"subject_id"`
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CertificateID string `json:"certificate_id"`
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Issuer string `json:"issuer"`
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PrivateKey string `json:"private_key"`
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PublicKey string `json:"public_key"`
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}
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func LoadPassportFile(location string) (*Passport, error) {
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file, err := os.Open(location)
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if err != nil {
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return nil, fmt.Errorf("failed to open passport file: %w", err)
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}
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defer func() { _ = file.Close() }()
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var passport Passport
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err = json.NewDecoder(file).Decode(&passport)
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if err != nil {
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return nil, fmt.Errorf("failed to parse passport file: %w", err)
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}
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err = passport.validate()
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if err != nil {
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return nil, fmt.Errorf("passport file validation failed: %w", err)
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}
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return &passport, nil
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}
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func (passport *Passport) validate() error {
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if passport.Issuer == "" {
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return errors.New("issuer is empty")
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}
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if passport.CertificateID == "" {
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return errors.New("certificate ID is empty")
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}
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if passport.PrivateKey == "" {
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return errors.New("private key is missing")
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}
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if passport.SubjectID == "" {
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return errors.New("subject is empty")
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}
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return nil
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}
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func (passport *Passport) ExtractProjectID() (string, error) {
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re := regexp.MustCompile("iam/project/([a-zA-Z0-9]+)")
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parts := re.FindStringSubmatch(passport.SubjectID)
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if len(parts) != 2 {
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return "", fmt.Errorf("failed to extract project ID from subject ID: %s", passport.SubjectID)
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}
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return parts[1], nil
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}
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