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Updating user's PasswordHash to be base64 URL decoded before user import #480

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Merged
merged 2 commits into from
Feb 15, 2022
Merged

Updating user's PasswordHash to be base64 URL decoded before user import #480

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eb175e9
PasswordHash obtained from Firebase Auth backend needs to be base64UR…
thomasmburke Jan 14, 2022
ce43f0b
Merge branch 'dev' into dev
thomasmburke Jan 27, 2022
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27 changes: 18 additions & 9 deletions snippets/auth.go
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Original file line number Diff line number Diff line change
Expand Up @@ -553,26 +553,35 @@ func importWithBcrypt(ctx context.Context, client *auth.Client) {

func importWithScrypt(ctx context.Context, client *auth.Client) {
// [START import_with_scrypt]
users := []*auth.UserToImport{
(&auth.UserToImport{}).
UID("some-uid").
Email("user@example.com").
PasswordHash([]byte("password-hash")).
PasswordSalt([]byte("salt")),
b64URLdecode := func(s string) []byte {
b, err := base64.URLEncoding.DecodeString(s)
if err != nil {
log.Fatalln("Failed to decode string", err)
}

return b
}
b64decode := func(s string) []byte {
b64Stddecode := func(s string) []byte {
b, err := base64.StdEncoding.DecodeString(s)
if err != nil {
log.Fatalln("Failed to decode string", err)
}
return b
}
// Users retrieved from Firebase Auth's backend need to be base64URL decoded
users := []*auth.UserToImport{
(&auth.UserToImport{}).
UID("some-uid").
Email("user@example.com").
PasswordHash(b64URLdecode("password-hash")).
PasswordSalt(b64URLdecode("salt")),
}

// All the parameters below can be obtained from the Firebase Console's "Users"
// section. Base64 encoded parameters must be decoded into raw bytes.
h := hash.Scrypt{
Key: b64decode("base64-secret"),
SaltSeparator: b64decode("base64-salt-separator"),
Key: b64Stddecode("base64-secret"),
SaltSeparator: b64Stddecode("base64-salt-separator"),
Rounds: 8,
MemoryCost: 14,
}
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