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id: validate server names in UserID.ParseAndValidate
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This commit is contained in:
Tulir Asokan 2025-06-03 00:32:07 +03:00
commit 522a373c68
1 changed files with 8 additions and 4 deletions
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12
id/userid.go
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@ -30,10 +30,11 @@ func NewEncodedUserID(localpart, homeserver string) UserID {
}
var (
ErrInvalidUserID = errors.New("is not a valid user ID")
ErrNoncompliantLocalpart = errors.New("contains characters that are not allowed")
ErrUserIDTooLong = errors.New("the given user ID is longer than 255 characters")
ErrEmptyLocalpart = errors.New("empty localparts are not allowed")
ErrInvalidUserID = errors.New("is not a valid user ID")
ErrNoncompliantLocalpart = errors.New("contains characters that are not allowed")
ErrUserIDTooLong = errors.New("the given user ID is longer than 255 characters")
ErrEmptyLocalpart = errors.New("empty localparts are not allowed")
ErrNoncompliantServerPart = errors.New("is not a valid server name")
)
// ParseCommonIdentifier parses a common identifier according to https://spec.matrix.org/v1.9/appendices/#common-identifier-format
@ -113,6 +114,9 @@ func (userID UserID) ParseAndValidate() (localpart, homeserver string, err error
if err == nil && len(userID) > UserIDMaxLength {
err = ErrUserIDTooLong
}
if err == nil && !ValidateServerName(homeserver) {
err = fmt.Errorf("%q %q", homeserver, ErrNoncompliantServerPart)
}
return
}