78 lines
3.2 KiB
Python
78 lines
3.2 KiB
Python
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"""
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Copyright 2024-2026 ReplyPier
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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from uuid import UUID
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from fastapi import APIRouter, BackgroundTasks, Depends, HTTPException, Query, Request
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from sqlalchemy.orm import Session
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from app.api.webhooks.common import is_duplicate_message
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from app.channels import get_adapter
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from app.channels.email import verify_webhook_token
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from app.core.logger import get_logger
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from app.database import get_db
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from app.models.channels import ChannelType
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from app.repositories.channels import ChannelAccountRepository
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from app.services.channel_chat import process_channel_message
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from app.services.ticket_email_reply import find_ticket_for_reply, record_ticket_email_reply
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router = APIRouter()
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logger = get_logger(__name__)
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@router.post("/{account_id}")
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async def email_webhook(
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account_id: UUID,
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request: Request,
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background_tasks: BackgroundTasks,
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token: str = Query(""),
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db: Session = Depends(get_db),
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):
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"""Inbound-parse webhook (point SendGrid/Brevo/your forwarder here with
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the account's ?token=). Accepts JSON or multipart/urlencoded form."""
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account = ChannelAccountRepository(db).get_by_id(account_id)
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if account is None or account.channel_type != ChannelType.EMAIL.value:
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raise HTTPException(status_code=404, detail="Unknown account")
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if not verify_webhook_token(account, token):
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raise HTTPException(status_code=403, detail="Invalid token")
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content_type = request.headers.get("content-type", "")
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if "application/json" in content_type:
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payload = await request.json()
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else:
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form = await request.form()
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payload = {key: str(value) for key, value in form.items()}
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adapter = get_adapter(ChannelType.EMAIL.value)
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for inbound in adapter.parse_inbound(payload):
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# A forward-all inbox can echo our own outbound reply back — never
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# answer mail from the connected address itself.
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if inbound.external_user_id == account.external_account_id:
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logger.info(f"Ignoring self-addressed email on {account.external_account_id}")
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continue
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if is_duplicate_message(ChannelType.EMAIL.value,
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f"{account.id}:{inbound.external_message_id}"):
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continue
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# A reply to a ticket notification belongs on the ticket, not in a
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# chat session — the customer is answering the support team.
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ticket = find_ticket_for_reply(db, account.organization_id, inbound.profile)
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if ticket is not None:
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background_tasks.add_task(
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record_ticket_email_reply, account.organization_id, ticket.id, inbound)
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continue
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background_tasks.add_task(process_channel_message, account.id, inbound)
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return {"status": "ok"}
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