dify/api/core/tools/provider/builtin/crossref/crossref.py

from core.tools.errors import ToolProviderCredentialValidationError
from core.tools.provider.builtin.crossref.tools.query_doi import CrossRefQueryDOITool
from core.tools.provider.builtin_tool_provider import BuiltinToolProviderController


class CrossRefProvider(BuiltinToolProviderController):
    def _validate_credentials(self, credentials: dict) -> None:
        try:
            CrossRefQueryDOITool().fork_tool_runtime(
                runtime={
                    "credentials": credentials,
                }
            ).invoke(
                user_id='',
                tool_parameters={
                    "doi": '10.1007/s00894-022-05373-8',
                },
            )
        except Exception as e:
            raise ToolProviderCredentialValidationError(str(e))