lnbits-legend/lnbits/extensions/subdomains/views_api.py

from quart import g, jsonify, request
from http import HTTPStatus

from lnbits.core.crud import get_user
from lnbits.core.services import create_invoice, check_invoice_status
from lnbits.decorators import api_check_wallet_key, api_validate_post_request

from . import subdomains_ext
from .crud import (
    create_subdomain,
    get_subdomain,
    get_subdomains,
    delete_subdomain,
    create_domain,
    update_domain,
    get_domain,
    get_domains,
    delete_domain,
    get_subdomainBySubdomain,
)
from .cloudflare import cloudflare_create_subdomain, cloudflare_deletesubdomain


# domainS


@subdomains_ext.route("/api/v1/domains", methods=["GET"])
@api_check_wallet_key("invoice")
async def api_domains():
    wallet_ids = [g.wallet.id]

    if "all_wallets" in request.args:
        wallet_ids = (await get_user(g.wallet.user)).wallet_ids

    return (
        jsonify([domain._asdict() for domain in await get_domains(wallet_ids)]),
        HTTPStatus.OK,
    )


@subdomains_ext.route("/api/v1/domains", methods=["POST"])
@subdomains_ext.route("/api/v1/domains/<domain_id>", methods=["PUT"])
@api_check_wallet_key("invoice")
@api_validate_post_request(
    schema={
        "wallet": {"type": "string", "empty": False, "required": True},
        "domain": {"type": "string", "empty": False, "required": True},
        "cf_token": {"type": "string", "empty": False, "required": True},
        "cf_zone_id": {"type": "string", "empty": False, "required": True},
        "webhook": {"type": "string", "empty": False, "required": False},
        "description": {"type": "string", "min": 0, "required": True},
        "cost": {"type": "integer", "min": 0, "required": True},
        "allowed_record_types": {"type": "string", "required": True},
    }
)
async def api_domain_create(domain_id=None):
    if domain_id:
        domain = await get_domain(domain_id)

        if not domain:
            return jsonify({"message": "domain does not exist."}), HTTPStatus.NOT_FOUND

        if domain.wallet != g.wallet.id:
            return jsonify({"message": "Not your domain."}), HTTPStatus.FORBIDDEN

        domain = await update_domain(domain_id, **g.data)
    else:
        domain = await create_domain(**g.data)
    return jsonify(domain._asdict()), HTTPStatus.CREATED


@subdomains_ext.route("/api/v1/domains/<domain_id>", methods=["DELETE"])
@api_check_wallet_key("invoice")
async def api_domain_delete(domain_id):
    domain = await get_domain(domain_id)

    if not domain:
        return jsonify({"message": "domain does not exist."}), HTTPStatus.NOT_FOUND

    if domain.wallet != g.wallet.id:
        return jsonify({"message": "Not your domain."}), HTTPStatus.FORBIDDEN

    await delete_domain(domain_id)

    return "", HTTPStatus.NO_CONTENT


#########subdomains##########


@subdomains_ext.route("/api/v1/subdomains", methods=["GET"])
@api_check_wallet_key("invoice")
async def api_subdomains():
    wallet_ids = [g.wallet.id]

    if "all_wallets" in request.args:
        wallet_ids = (await get_user(g.wallet.user)).wallet_ids

    return (
        jsonify([domain._asdict() for domain in await get_subdomains(wallet_ids)]),
        HTTPStatus.OK,
    )


@subdomains_ext.route("/api/v1/subdomains/<domain_id>", methods=["POST"])
@api_validate_post_request(
    schema={
        "domain": {"type": "string", "empty": False, "required": True},
        "subdomain": {"type": "string", "empty": False, "required": True},
        "email": {"type": "string", "empty": True, "required": True},
        "ip": {"type": "string", "empty": False, "required": True},
        "sats": {"type": "integer", "min": 0, "required": True},
        "duration": {"type": "integer", "empty": False, "required": True},
        "record_type": {"type": "string", "empty": False, "required": True},
    }
)
async def api_subdomain_make_subdomain(domain_id):
    domain = await get_domain(domain_id)

    # If the request is coming for the non-existant domain
    if not domain:
        return jsonify({"message": "LNsubdomain does not exist."}), HTTPStatus.NOT_FOUND

    ## If record_type is not one of the allowed ones reject the request
    if g.data["record_type"] not in domain.allowed_record_types:
        return (
            jsonify({"message": g.data["record_type"] + "Not a valid record"}),
            HTTPStatus.BAD_REQUEST,
        )

    ## If domain already exist in our database reject it
    if await get_subdomainBySubdomain(g.data["subdomain"]) is not None:
        return (
            jsonify(
                {
                    "message": g.data["subdomain"]
                    + "."
                    + domain.domain
                    + " domain already taken"
                }
            ),
            HTTPStatus.BAD_REQUEST,
        )

    ## Dry run cloudflare... (create and if create is sucessful delete it)
    cf_response = await cloudflare_create_subdomain(
        domain=domain,
        subdomain=g.data["subdomain"],
        record_type=g.data["record_type"],
        ip=g.data["ip"],
    )
    if cf_response["success"] == True:
        cloudflare_deletesubdomain(domain=domain, domain_id=cf_response["result"]["id"])
    else:
        return (
            jsonify(
                {
                    "message": "Problem with cloudflare: "
                    + cf_response["errors"][0]["message"]
                }
            ),
            HTTPStatus.BAD_REQUEST,
        )

    ## ALL OK - create an invoice and return it to the user
    sats = g.data["sats"]

    try:
        payment_hash, payment_request = await create_invoice(
            wallet_id=domain.wallet,
            amount=sats,
            memo=f"subdomain {g.data['subdomain']}.{domain.domain} for {sats} sats for {g.data['duration']} days",
            extra={"tag": "lnsubdomain"},
        )
    except Exception as e:
        return jsonify({"message": str(e)}), HTTPStatus.INTERNAL_SERVER_ERROR

    subdomain = await create_subdomain(
        payment_hash=payment_hash, wallet=domain.wallet, **g.data
    )

    if not subdomain:
        return (
            jsonify({"message": "LNsubdomain could not be fetched."}),
            HTTPStatus.NOT_FOUND,
        )

    return (
        jsonify({"payment_hash": payment_hash, "payment_request": payment_request}),
        HTTPStatus.OK,
    )


@subdomains_ext.route("/api/v1/subdomains/<payment_hash>", methods=["GET"])
async def api_subdomain_send_subdomain(payment_hash):
    subdomain = await get_subdomain(payment_hash)
    try:
        status = await check_invoice_status(subdomain.wallet, payment_hash)
        is_paid = not status.pending
    except Exception:
        return jsonify({"paid": False}), HTTPStatus.OK

    if is_paid:
        return jsonify({"paid": True}), HTTPStatus.OK

    return jsonify({"paid": False}), HTTPStatus.OK


@subdomains_ext.route("/api/v1/subdomains/<subdomain_id>", methods=["DELETE"])
@api_check_wallet_key("invoice")
async def api_subdomain_delete(subdomain_id):
    subdomain = await get_subdomain(subdomain_id)

    if not subdomain:
        return jsonify({"message": "Paywall does not exist."}), HTTPStatus.NOT_FOUND

    if subdomain.wallet != g.wallet.id:
        return jsonify({"message": "Not your subdomain."}), HTTPStatus.FORBIDDEN

    await delete_subdomain(subdomain_id)

    return "", HTTPStatus.NO_CONTENT