Files
lnbits/lnbits/fiat/square.py
T

621 lines
22 KiB
Python

import asyncio
import json
from collections.abc import AsyncGenerator
from typing import Any, Literal
import httpx
from loguru import logger
from pydantic import BaseModel, Field, ValidationError
from lnbits.helpers import normalize_endpoint, urlsafe_short_hash
from lnbits.settings import settings
from .base import (
FiatInvoiceResponse,
FiatPaymentFailedStatus,
FiatPaymentPendingStatus,
FiatPaymentResponse,
FiatPaymentStatus,
FiatPaymentSuccessStatus,
FiatProvider,
FiatStatusResponse,
FiatSubscriptionPaymentOptions,
FiatSubscriptionResponse,
)
FiatMethod = Literal["checkout", "subscription"]
class SquareCheckoutOptions(BaseModel):
class Config:
extra = "ignore"
success_url: str | None = None
metadata: dict[str, str] = Field(default_factory=dict)
line_item_name: str | None = None
class SquareSubscriptionOptions(BaseModel):
class Config:
extra = "ignore"
checking_id: str | None = None
payment_request: str | None = None
class SquareCreateInvoiceOptions(BaseModel):
class Config:
extra = "ignore"
fiat_method: FiatMethod = "checkout"
checkout: SquareCheckoutOptions | None = None
subscription: SquareSubscriptionOptions | None = None
class SquareSubscriptionCheckoutInfo(BaseModel):
plan_variation_id: str
price_money: dict[str, Any]
class SquareWallet(FiatProvider):
"""https://developer.squareup.com/reference/square"""
def __init__(self):
logger.debug("Initializing SquareWallet")
self._settings_fields = self._settings_connection_fields()
if not settings.square_api_endpoint:
raise ValueError("Cannot initialize SquareWallet: missing endpoint.")
if not settings.square_access_token:
raise ValueError("Cannot initialize SquareWallet: missing access token.")
if not settings.square_location_id:
raise ValueError("Cannot initialize SquareWallet: missing location ID.")
self.endpoint = normalize_endpoint(settings.square_api_endpoint)
self.location_id = settings.square_location_id
self.headers = {
"Authorization": f"Bearer {settings.square_access_token}",
"Square-Version": settings.square_api_version,
"Content-Type": "application/json",
"User-Agent": settings.user_agent,
}
self.client = httpx.AsyncClient(base_url=self.endpoint, headers=self.headers)
logger.info("SquareWallet initialized.")
async def cleanup(self):
try:
await self.client.aclose()
except RuntimeError as e:
logger.warning(f"Error closing Square wallet connection: {e}")
async def status(
self, only_check_settings: bool | None = False
) -> FiatStatusResponse:
if only_check_settings:
if self._settings_fields != self._settings_connection_fields():
return FiatStatusResponse("Connection settings have changed.", 0)
return FiatStatusResponse(balance=0)
try:
r = await self.client.get(f"/v2/locations/{self.location_id}", timeout=15)
r.raise_for_status()
_ = r.json()
return FiatStatusResponse(balance=0)
except json.JSONDecodeError:
return FiatStatusResponse("Server error: 'invalid json response'", 0)
except Exception as exc:
logger.warning(exc)
return FiatStatusResponse(f"Unable to connect to {self.endpoint}.", 0)
async def create_invoice(
self,
amount: float,
payment_hash: str,
currency: str,
memo: str | None = None,
extra: dict[str, Any] | None = None,
**kwargs,
) -> FiatInvoiceResponse:
opts = self._parse_create_opts(extra or {})
if not opts:
return FiatInvoiceResponse(ok=False, error_message="Invalid Square options")
if opts.fiat_method == "subscription":
return self._create_subscription_invoice(opts.subscription)
return await self._create_checkout_invoice(
amount=amount,
payment_hash=payment_hash,
currency=currency,
opts=opts,
memo=memo,
)
async def create_subscription(
self,
subscription_id: str,
quantity: int,
payment_options: FiatSubscriptionPaymentOptions,
**kwargs,
) -> FiatSubscriptionResponse:
if settings.lnbits_running:
return FiatSubscriptionResponse(
ok=False, error_message="Subscription not supported for Square."
)
success_url = (
payment_options.success_url
or settings.square_payment_success_url
or "https://lnbits.com"
)
if not payment_options.subscription_request_id:
payment_options.subscription_request_id = urlsafe_short_hash()
payment_options.extra = payment_options.extra or {}
payment_options.extra["subscription_request_id"] = (
payment_options.subscription_request_id
)
try:
checkout_info = await self._get_subscription_checkout_info(subscription_id)
metadata = self._serialize_metadata(payment_options)
payload = {
"idempotency_key": payment_options.subscription_request_id,
"description": metadata,
"quick_pay": {
"name": (payment_options.memo or "LNbits Subscription")[:255],
"price_money": checkout_info.price_money,
"location_id": self.location_id,
},
"checkout_options": {
"redirect_url": success_url,
"subscription_plan_id": checkout_info.plan_variation_id,
},
"payment_note": metadata,
}
r = await self.client.post(
"/v2/online-checkout/payment-links", json=payload
)
r.raise_for_status()
data = r.json()
payment_link = data.get("payment_link") or {}
url = payment_link.get("url")
if not url:
return FiatSubscriptionResponse(
ok=False, error_message="Server error: missing url"
)
return FiatSubscriptionResponse(
ok=True,
checkout_session_url=url,
subscription_request_id=payment_options.subscription_request_id,
)
except json.JSONDecodeError as exc:
logger.warning(exc)
return FiatSubscriptionResponse(
ok=False, error_message="Server error: invalid json response"
)
except Exception as exc:
logger.warning(exc)
return FiatSubscriptionResponse(
ok=False, error_message=f"Unable to connect to {self.endpoint}."
)
async def cancel_subscription(
self,
subscription_id: str,
correlation_id: str,
**kwargs,
) -> FiatSubscriptionResponse:
try:
square_subscription_id = await self._get_square_subscription_id(
subscription_id, correlation_id
)
r = await self.client.post(
f"/v2/subscriptions/{square_subscription_id}/cancel"
)
r.raise_for_status()
return FiatSubscriptionResponse(ok=True)
except Exception as exc:
logger.warning(exc)
return FiatSubscriptionResponse(
ok=False, error_message="Unable to cancel subscription."
)
async def pay_invoice(self, payment_request: str) -> FiatPaymentResponse:
raise NotImplementedError("Square does not support paying invoices directly.")
async def get_invoice_status(self, checking_id: str) -> FiatPaymentStatus:
try:
square_id = self._normalize_square_id(checking_id)
if square_id.startswith("payment_"):
payment_id = square_id.replace("payment_", "", 1)
return await self._get_payment_status(payment_id)
order_id = (
square_id.replace("order_", "", 1)
if square_id.startswith("order_")
else square_id
)
return await self._get_order_status(order_id)
except Exception as exc:
logger.debug(f"Error getting Square invoice status: {exc}")
return FiatPaymentPendingStatus()
async def get_payment_status(self, checking_id: str) -> FiatPaymentStatus:
raise NotImplementedError("Square does not support outgoing payments.")
async def paid_invoices_stream(self) -> AsyncGenerator[str, None]:
logger.warning(
"Square does not support paid invoices stream. Use webhooks instead."
)
mock_queue: asyncio.Queue[str] = asyncio.Queue(0)
while settings.lnbits_running:
value = await mock_queue.get()
yield value
async def _get_order_status(self, order_id: str) -> FiatPaymentStatus:
order = await self._get_order(order_id)
payment_id = self._payment_id_from_order(order)
if payment_id:
return await self._get_payment_status(payment_id)
if (order.get("state") or "").upper() == "CANCELED":
return FiatPaymentFailedStatus()
return FiatPaymentPendingStatus()
async def _get_order(self, order_id: str) -> dict[str, Any]:
r = await self.client.get(f"/v2/orders/{order_id}")
r.raise_for_status()
return r.json().get("order") or {}
async def get_payment_for_order(self, order_id: str) -> dict[str, Any] | None:
order = await self._get_order(order_id)
payment_id = self._payment_id_from_order(order)
if not payment_id:
return None
return await self._get_payment(payment_id)
def _payment_id_from_order(self, order: dict[str, Any]) -> str | None:
tenders = order.get("tenders") or []
for tender in tenders:
payment_id = tender.get("payment_id")
if payment_id:
return payment_id
return None
async def _get_payment_status(self, payment_id: str) -> FiatPaymentStatus:
return self._status_from_payment(await self._get_payment(payment_id))
async def _get_payment(self, payment_id: str) -> dict[str, Any]:
r = await self.client.get(f"/v2/payments/{payment_id}")
r.raise_for_status()
return r.json().get("payment") or {}
async def _get_subscription_checkout_info(
self, subscription_plan_id: str
) -> SquareSubscriptionCheckoutInfo:
catalog_object = await self._get_catalog_object(subscription_plan_id)
if catalog_object.get("type") == "SUBSCRIPTION_PLAN":
return await self._get_plan_checkout_info(catalog_object)
if catalog_object.get("type") == "SUBSCRIPTION_PLAN_VARIATION":
price_money = await self._get_subscription_price_money(
catalog_object,
)
plan_variation_id = catalog_object.get("id")
if not plan_variation_id:
raise ValueError("Square subscription plan variation is missing an ID.")
return SquareSubscriptionCheckoutInfo(
plan_variation_id=plan_variation_id,
price_money=price_money,
)
raise ValueError(
"Square subscription ID must be a plan ID or plan variation ID."
)
async def _get_plan_checkout_info(
self, catalog_object: dict[str, Any]
) -> SquareSubscriptionCheckoutInfo:
plan_data = catalog_object.get("subscription_plan_data") or {}
plan_variations = plan_data.get("subscription_plan_variations") or []
eligible_item_ids = plan_data.get("eligible_item_ids") or []
plan_variation = next(
(
variation
for variation in plan_variations
if not variation.get("is_deleted")
),
None,
)
if not plan_variation:
raise ValueError("Square subscription plan is missing a variation.")
price_money = await self._get_subscription_price_money(
plan_variation,
eligible_item_ids=eligible_item_ids,
)
plan_variation_id = plan_variation.get("id")
if not plan_variation_id:
raise ValueError("Square subscription plan variation is missing an ID.")
return SquareSubscriptionCheckoutInfo(
plan_variation_id=plan_variation_id,
price_money=price_money,
)
async def _get_catalog_object(self, object_id: str) -> dict[str, Any]:
r = await self.client.get(f"/v2/catalog/object/{object_id}")
r.raise_for_status()
return r.json().get("object") or {}
async def _get_subscription_price_money(
self,
plan_variation: dict[str, Any],
eligible_item_ids: list[str] | None = None,
) -> dict[str, Any]:
variation_data = plan_variation.get("subscription_plan_variation_data") or {}
phases = variation_data.get("phases") or []
for phase in phases:
pricing = phase.get("pricing") or {}
price_money = pricing.get("price_money") or phase.get(
"recurring_price_money"
)
parsed_price_money = self._parse_price_money(price_money)
if parsed_price_money:
return parsed_price_money
if pricing.get("type") == "RELATIVE":
return await self._get_relative_subscription_price_money(
eligible_item_ids or []
)
raise ValueError("Square subscription plan variation is missing price_money.")
async def _get_relative_subscription_price_money(
self, eligible_item_ids: list[str]
) -> dict[str, Any]:
if len(eligible_item_ids) != 1:
raise ValueError(
"Square relative subscription plan must have exactly one item."
)
item = await self._get_catalog_object(eligible_item_ids[0])
item_variations: list[dict[str, Any]] = []
if item.get("type") == "ITEM":
item_variations = (item.get("item_data") or {}).get("variations") or []
elif item.get("type") == "ITEM_VARIATION":
item_variations = [item]
item_variation = next(
(
variation
for variation in item_variations
if not variation.get("is_deleted")
),
None,
)
if not item_variation:
raise ValueError("Square subscription item is missing a variation.")
price_money = self._parse_price_money(
(item_variation.get("item_variation_data") or {}).get("price_money")
)
if price_money:
return price_money
raise ValueError("Square subscription item variation is missing price_money.")
def _parse_price_money(
self, price_money: dict[str, Any] | None
) -> dict[str, Any] | None:
if (
price_money
and price_money.get("amount") is not None
and price_money.get("currency")
):
return {
"amount": int(price_money["amount"]),
"currency": price_money["currency"].upper(),
}
return None
def _status_from_payment(self, payment: dict[str, Any]) -> FiatPaymentStatus:
status = (payment.get("status") or "").upper()
if status == "COMPLETED":
return FiatPaymentSuccessStatus()
if status in ["CANCELED", "FAILED"]:
return FiatPaymentFailedStatus()
return FiatPaymentPendingStatus()
async def _create_checkout_invoice(
self,
amount: float,
payment_hash: str,
currency: str,
opts: SquareCreateInvoiceOptions,
memo: str | None = None,
) -> FiatInvoiceResponse:
amount_cents = int(amount * 100)
co = opts.checkout or SquareCheckoutOptions()
success_url = (
co.success_url
or settings.square_payment_success_url
or "https://lnbits.com"
)
line_item_name = (co.line_item_name or memo or "LNbits Invoice")[:255]
metadata = {
**co.metadata,
"payment_hash": payment_hash,
"alan_action": "invoice",
}
payload = {
"idempotency_key": payment_hash,
"order": {
"location_id": self.location_id,
"metadata": metadata,
"line_items": [
{
"name": line_item_name,
"quantity": "1",
"base_price_money": {
"amount": amount_cents,
"currency": currency.upper(),
},
}
],
},
"checkout_options": {"redirect_url": success_url},
}
if memo:
payload["payment_note"] = memo[:500]
try:
r = await self.client.post(
"/v2/online-checkout/payment-links", json=payload
)
r.raise_for_status()
data = r.json()
payment_link = data.get("payment_link") or {}
order_id = payment_link.get("order_id")
url = payment_link.get("url")
if not order_id or not url:
return FiatInvoiceResponse(
ok=False, error_message="Server error: missing order id or url"
)
return FiatInvoiceResponse(
ok=True,
checking_id=f"order_{order_id}",
payment_request=url,
)
except json.JSONDecodeError:
return FiatInvoiceResponse(
ok=False, error_message="Server error: invalid json response"
)
except Exception as exc:
logger.warning(exc)
return FiatInvoiceResponse(
ok=False, error_message=f"Unable to connect to {self.endpoint}."
)
def _create_subscription_invoice(
self, opts: SquareSubscriptionOptions | None
) -> FiatInvoiceResponse:
term = opts or SquareSubscriptionOptions()
checking_id = term.checking_id or f"payment_{urlsafe_short_hash()}"
return FiatInvoiceResponse(
ok=True,
checking_id=checking_id,
payment_request=term.payment_request or "",
)
def _normalize_square_id(self, checking_id: str) -> str:
return (
checking_id.replace("fiat_square_", "", 1)
if checking_id.startswith("fiat_square_")
else checking_id
)
def _parse_create_opts(
self, raw_opts: dict[str, Any]
) -> SquareCreateInvoiceOptions | None:
try:
return SquareCreateInvoiceOptions.parse_obj(raw_opts)
except ValidationError as e:
logger.warning(f"Invalid Square options: {e}")
return None
def _serialize_metadata(
self, payment_options: FiatSubscriptionPaymentOptions
) -> str:
extra_link = None
if payment_options.extra:
raw_link = payment_options.extra.get("link")
extra_link = str(raw_link)[:200] if raw_link else None
meta = [
payment_options.wallet_id,
payment_options.tag,
payment_options.subscription_request_id,
extra_link,
]
memo_limit = 493 - len(json.dumps(meta, separators=(",", ":")))
if memo_limit > 0 and payment_options.memo:
meta.append(payment_options.memo[:memo_limit])
else:
meta.append(None)
metadata = json.dumps(meta, separators=(",", ":"))
if len(metadata) > 500:
raise ValueError("Square subscription metadata is too long.")
return metadata
async def _get_square_subscription_id(
self, subscription_id: str, wallet_id: str
) -> str:
try:
from lnbits.core.crud.payments import get_payments
from lnbits.core.models import PaymentFilters
from lnbits.db import Filter, Filters
payments = await get_payments(
wallet_id=wallet_id,
filters=Filters(
filters=[
Filter.parse_query(
"external_id", [subscription_id], PaymentFilters
)
],
model=PaymentFilters,
sortby="created_at",
direction="desc",
limit=1,
),
)
payment = next(
(
payment
for payment in payments
if payment.external_id and payment.fiat_provider == "square"
),
None,
)
if payment and payment.external_id:
return payment.external_id
payments = await get_payments(
wallet_id=wallet_id,
incoming=True,
filters=Filters(
model=PaymentFilters,
sortby="created_at",
direction="desc",
),
)
payment = next(
(
payment
for payment in payments
if payment.external_id
and payment.fiat_provider == "square"
and (payment.extra or {}).get("subscription_request_id")
== subscription_id
),
None,
)
if payment and payment.external_id:
return payment.external_id
except Exception as exc:
logger.warning(exc)
return subscription_id
def _settings_connection_fields(self) -> str:
return "-".join(
[
str(settings.square_api_endpoint),
str(settings.square_access_token),
str(settings.square_location_id),
str(settings.square_api_version),
]
)