dify / api /core /moderation /input_moderation.py
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import logging
from core.app.app_config.entities import AppConfig
from core.moderation.base import ModerationAction, ModerationException
from core.moderation.factory import ModerationFactory
logger = logging.getLogger(__name__)
class InputModeration:
def check(self, app_id: str,
tenant_id: str,
app_config: AppConfig,
inputs: dict,
query: str) -> tuple[bool, dict, str]:
"""
Process sensitive_word_avoidance.
:param app_id: app id
:param tenant_id: tenant id
:param app_config: app config
:param inputs: inputs
:param query: query
:return:
"""
if not app_config.sensitive_word_avoidance:
return False, inputs, query
sensitive_word_avoidance_config = app_config.sensitive_word_avoidance
moderation_type = sensitive_word_avoidance_config.type
moderation_factory = ModerationFactory(
name=moderation_type,
app_id=app_id,
tenant_id=tenant_id,
config=sensitive_word_avoidance_config.config
)
moderation_result = moderation_factory.moderation_for_inputs(inputs, query)
if not moderation_result.flagged:
return False, inputs, query
if moderation_result.action == ModerationAction.DIRECT_OUTPUT:
raise ModerationException(moderation_result.preset_response)
elif moderation_result.action == ModerationAction.OVERRIDED:
inputs = moderation_result.inputs
query = moderation_result.query
return True, inputs, query