Repository: Significant-Gravitas/Auto-GPT
File: autogpt_platform/backend/backend/data/block.py (Python)

Code before:
        # If we can't create a block instance, assume it's not OAuth-only
        logger.error(f"Error creating block instance for {block_cls.__name__}: {e}")
        return True
    logger.debug(
        f"Checking if block {block_cls.__name__} has a valid provider configured"
    )

    # Get all credentials fields from input schema
    credentials_fields = block.input_schema.get_credentials_fields()
    if not credentials_fields:
        logger.debug(
            f"Block {block_cls.__name__} has no credentials fields - Treating as valid"
        )
        return True

    # Check required credentials fields
    required_fields = block.input_schema.get_required_fields()
    required_credentials = [f for f in credentials_fields if f in required_fields]

    if not required_credentials:
        logger.debug(
            f"Block {block_cls.__name__} has no required credentials fields - Treating as valid"
        )
        return True

    # Check if ANY required credentials field has authentication configured
    configured_providers = []

    for field_name in required_credentials:
        provider_name = block.input_schema.get_provider_from_credentials_field(
            field_name
        )
        if not provider_name or provider_name in ProviderName.__members__.values():
            logger.debug(
                f"Block {block_cls.__name__} is part of the legacy provider system - Treating as valid"
            )
            return True

        provider = AutoRegistry.get_provider(provider_name)
        if not provider:
            logger.debug(
                f"Block {block_cls.__name__} has a required credentials field {field_name} that has no provider - Treating as valid"
            )
            continue

        # Check the provider's supported auth types
        supported_types = provider.supported_auth_types

        # If provider has no supported auth types, it means no auth method is configured
        if not supported_types:
            # This provider has no authentication methods configured at all

Review comment (security):
I think this check needs to be:
```suggestion
    # Check if ALL required credentials fields have ≥1 supported auth type configured

Code after:
            f"Block {block_cls.__name__} has no credential inputs - Treating as valid"
        )
        return True

    # Check credential inputs
    if len(required_inputs.intersection(credential_inputs.keys())) == 0:
        logger.debug(
            f"Block {block_cls.__name__} has only optional credential inputs"
            " - will work without credentials configured"
        )
    if len(credential_inputs) > 1:
        logger.warning(
            f"Block {block_cls.__name__} has multiple credential inputs: "
            f"{', '.join(credential_inputs.keys())}"
        )

    # Check if the credential inputs for this block are correctly configured
    for field_name, field_info in credential_inputs.items():
        provider_names = field_info.provider
        if not provider_names:
            logger.warning(
                f"Block {block_cls.__name__} "
                f"has credential input '{field_name}' with no provider options"
                " - Disabling"
            )
            return False

        # If a field has multiple possible providers, each one needs to be usable to
        # prevent breaking the UX
        for _provider_name in provider_names:
            provider_name = _provider_name.value
            if provider_name in ProviderName.__members__.values():
                logger.debug(
                    f"Block {block_cls.__name__} credential input '{field_name}' "
                    f"provider '{provider_name}' is part of the legacy provider system"
                    " - Treating as valid"
                )
                break

            provider = AutoRegistry.get_provider(provider_name)
            if not provider:
                logger.warning(
                    f"Block {block_cls.__name__} credential input '{field_name}' "
                    f"refers to unknown provider '{provider_name}' - Disabling"
                )
                return False

            # Check the provider's supported auth types
            if field_info.supported_types != provider.supported_auth_types:
                logger.warning(
                    f"Block {block_cls.__name__} credential input '{field_name}' "