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These parameters are missing or invalid: {problems}") +class NoValidEmailRecipient(BaseWorkflowException): + def __init__(self, recipients: list[str]) -> None: + super().__init__(f"No valid email recipient found. Recipients: {recipients}") + + class ContextParameterSourceNotDefined(BaseWorkflowHTTPException): def __init__(self, context_parameter_key: str, source_key: str) -> None: super().__init__( diff --git a/skyvern/forge/sdk/workflow/models/block.py b/skyvern/forge/sdk/workflow/models/block.py index 21d5abf3..58fb83bc 100644 --- a/skyvern/forge/sdk/workflow/models/block.py +++ b/skyvern/forge/sdk/workflow/models/block.py @@ -12,6 +12,7 @@ from typing import Annotated, Any, Literal, Union import filetype import structlog +from email_validator import EmailNotValidError, validate_email from pydantic import BaseModel, Field from skyvern.config import settings @@ -29,7 +30,7 @@ from skyvern.forge.sdk.api.llm.api_handler_factory import LLMAPIHandlerFactory from skyvern.forge.sdk.schemas.tasks import TaskOutput, TaskStatus from skyvern.forge.sdk.settings_manager import SettingsManager from skyvern.forge.sdk.workflow.context_manager import WorkflowRunContext -from skyvern.forge.sdk.workflow.exceptions import InvalidEmailClientConfiguration +from skyvern.forge.sdk.workflow.exceptions import InvalidEmailClientConfiguration, NoValidEmailRecipient from skyvern.forge.sdk.workflow.models.parameter import ( PARAMETER_TYPE, AWSSecretParameter, @@ -818,12 +819,36 @@ class SendEmailBlock(Block): file_path.write(downloaded_bytes) return file_path.name + def get_real_email_recipients(self, workflow_run_context: WorkflowRunContext) -> list[str]: + recipients = [] + for recipient in self.recipients: + if workflow_run_context.has_parameter(recipient): + maybe_recipient = workflow_run_context.get_value(recipient) + else: + maybe_recipient = recipient + + # check if maybe_recipient is a valid email address + try: + validate_email(maybe_recipient) + recipients.append(maybe_recipient) + except EmailNotValidError as e: + LOG.warning( + "SendEmailBlock: Invalid email address", + recipient=maybe_recipient, + reason=str(e), + ) + + if not recipients: + raise NoValidEmailRecipient(recipients=recipients) + + return recipients + async def _build_email_message( self, workflow_run_context: WorkflowRunContext, workflow_run_id: str ) -> EmailMessage: msg = EmailMessage() msg["Subject"] = self.subject + f" - Workflow Run ID: {workflow_run_id}" - msg["To"] = ", ".join(self.recipients) + msg["To"] = ", ".join(self.get_real_email_recipients(workflow_run_context)) msg["BCC"] = self.sender # BCC the sender so there is a record of the email being sent msg["From"] = self.sender if self.body and workflow_run_context.has_parameter(self.body) and workflow_run_context.has_value(self.body):