lnaddress_ext proposal untested

2021-10-29 16:43:26 +01:00
parent a276764f12
commit aff29663af
15 changed files with 2030 additions and 0 deletions
@@ -0,0 +1,262 @@
+from http import HTTPStatus
+from urllib.parse import urlparse
+
+from fastapi import Request
+from fastapi.params import Depends, Query
+from starlette.exceptions import HTTPException
+
+from lnbits.core.crud import get_user
+from lnbits.core.services import check_invoice_status, create_invoice
+from lnbits.decorators import WalletTypeInfo, get_key_type
+from lnbits.extensions.lnaddress.models import CreateAddress, CreateDomain
+
+from . import lnaddress_ext
+from .cloudflare import cloudflare_create_record, cloudflare_deleterecord
+from .crud import (
+    check_address_available,
+    create_address,
+    create_domain,
+    delete_address,
+    delete_domain,
+    get_address,
+    get_address_by_username,
+    get_addresses,
+    get_domain,
+    get_domains,
+    update_domain,
+)
+
+
+# DOMAINS
+@lnaddress_ext.get("/api/v1/domains")
+async def api_domains(
+    g: WalletTypeInfo = Depends(get_key_type),
+    all_wallets: bool = Query(False),
+):
+    wallet_ids = [g.wallet.id]
+
+    if all_wallets:
+        wallet_ids = (await get_user(g.wallet.user)).wallet_ids
+
+    return [domain.dict() for domain in await get_domains(wallet_ids)]
+
+
+@lnaddress_ext.post("/api/v1/domains")
+@lnaddress_ext.put("/api/v1/domains/{domain_id}")
+async def api_domain_create(request: Request,data: CreateDomain, domain_id=None, g: WalletTypeInfo = Depends(get_key_type)):
+    if domain_id:
+        domain = await get_domain(domain_id)
+
+        if not domain:
+            raise HTTPException(
+                status_code=HTTPStatus.NOT_FOUND,
+                detail="Domain does not exist.",
+            )
+
+        if domain.wallet != g.wallet.id:
+            raise HTTPException(
+                status_code=HTTPStatus.FORBIDDEN,
+                detail="Not your domain",
+            )
+
+        domain = await update_domain(domain_id, **data.dict())
+    else:
+
+        domain = await create_domain(data=data)
+        root_url = urlparse(request.url.path).netloc
+        #root_url = request.url_root
+
+        cf_response = await cloudflare_create_record(
+            domain=domain,
+            ip=root_url,
+        )
+
+        if not cf_response or cf_response["success"] != True:
+            await delete_domain(domain.id)
+            raise HTTPException(
+                status_code=HTTPStatus.BAD_REQUEST,
+                detail="Problem with cloudflare: " + cf_response["errors"][0]["message"],
+            )
+
+    return domain.dict()
+
+@lnaddress_ext.delete("/api/v1/domains/{domain_id}")
+async def api_domain_delete(domain_id, g: WalletTypeInfo = Depends(get_key_type)):
+    domain = await get_domain(domain_id)
+
+    if not domain:
+        raise HTTPException(
+                status_code=HTTPStatus.NOT_FOUND,
+                detail="Domain does not exist.",
+            )
+
+    if domain.wallet != g.wallet.id:
+        raise HTTPException(
+                status_code=HTTPStatus.FORBIDDEN,
+                detail="Not your domain",
+            )
+
+    await delete_domain(domain_id)
+    raise HTTPException(status_code=HTTPStatus.NO_CONTENT)
+
+# ADDRESSES
+
+@lnaddress_ext.get("/api/v1/addresses")
+async def api_addresses(
+    g: WalletTypeInfo = Depends(get_key_type),
+    all_wallets: bool = Query(False),
+):
+    wallet_ids = [g.wallet.id]
+
+    if all_wallets:
+        wallet_ids = (await get_user(g.wallet.user)).wallet_ids
+
+    return [address.dict() for address in await get_addresses(wallet_ids)]
+
+@lnaddress_ext.get("/api/v1/address/{domain}/{username}/{wallet_key}")
+async def api_get_user_info(username, wallet_key, domain):
+    address = await get_address_by_username(username, domain)
+
+    if not address:
+        raise HTTPException(
+            status_code=HTTPStatus.NOT_FOUND,
+            detail="Address does not exist.",
+        )
+
+    if address.wallet_key != wallet_key:
+        raise HTTPException(
+                status_code=HTTPStatus.FORBIDDEN,
+                detail="Incorrect user/wallet information.",
+            )
+
+    return address.dict()
+
+@lnaddress_ext.get("/api/v1/address/availabity/{domain_id}/{username}")
+async def api_check_available_username(domain_id, username):
+    used_username = await check_address_available(username, domain_id)
+
+    return used_username
+
+@lnaddress_ext.post("/api/v1/address/{domain_id}")
+@lnaddress_ext.put("/api/v1/address/{domain_id}/{user}/{wallet_key}")
+async def api_lnaddress_make_address(domain_id, data: CreateAddress, user=None, wallet_key=None):
+    domain = await get_domain(domain_id)
+
+    # If the request is coming for the non-existant domain
+    if not domain:
+        raise HTTPException(
+                status_code=HTTPStatus.FORBIDDEN,
+                detail="The domain does not exist.",
+            )
+
+    domain_cost = domain[6]
+    sats = data.sats
+
+    ## FAILSAFE FOR CREATING ADDRESSES BY API
+    if(domain_cost * data.duration != data.sats):
+        raise HTTPException(
+                status_code=HTTPStatus.FORBIDDEN,
+                detail="The amount is not correct. Either 'duration', or 'sats' are wrong.",
+            )
+
+    if user:
+        print("USER", user, domain.domain)
+        address = await get_address_by_username(user, domain.domain)
+
+        if not address:
+            raise HTTPException(
+                status_code=HTTPStatus.NOT_FOUND,
+                detail="The address does not exist.",
+            )
+
+        if address.wallet_key != wallet_key:
+            raise HTTPException(
+                status_code=HTTPStatus.FORBIDDEN,
+                detail="Not your address.",
+            )
+
+        try:
+            payment_hash, payment_request = await create_invoice(
+                wallet_id=domain.wallet,
+                amount=data.sats,
+                memo=f"Renew {data.username}@{domain.domain} for {sats} sats for {data.duration} more days",
+                extra={
+                    "tag": "renew lnaddress",
+                    "id": address.id,
+                    "duration": data.duration
+                },
+            )
+
+        except Exception as e:
+            raise HTTPException(
+                status_code=HTTPStatus.INTERNAL_SERVER_ERROR,
+                detail=str(e),
+            )
+    else:
+        used_username = await check_address_available(data.username, data.domain)
+        # If username is already taken
+        if used_username:
+            raise HTTPException(
+                status_code=HTTPStatus.BAD_REQUEST,
+                detail="Alias/username already taken.",
+            )
+
+        ## ALL OK - create an invoice and return it to the user
+
+        try:
+            payment_hash, payment_request = await create_invoice(
+                wallet_id=domain.wallet,
+                amount=sats,
+                memo=f"LNAddress {data.username}@{domain.domain} for {sats} sats for {data.duration} days",
+                extra={"tag": "lnaddress"},
+            )
+        except Exception as e:
+            raise HTTPException(
+                status_code=HTTPStatus.INTERNAL_SERVER_ERROR,
+                detail=str(e),
+            )
+            
+        address = await create_address(
+            payment_hash=payment_hash, wallet=domain.wallet, data=data
+        )
+
+        if not address:
+            raise HTTPException(
+                status_code=HTTPStatus.NOT_FOUND,
+                detail="LNAddress could not be fetched.",
+            )
+
+    return {"payment_hash": payment_hash, "payment_request": payment_request}
+
+@lnaddress_ext.get("/api/v1/addresses/{payment_hash}")
+async def api_address_send_address(payment_hash):
+    address = await get_address(payment_hash)
+    domain = await get_domain(address.domain)
+    try:
+        status = await check_invoice_status(domain.wallet, payment_hash)
+        is_paid = not status.pending
+    except Exception as e:
+        return {"paid": False, 'error': str(e)}
+
+    if is_paid:
+        return {"paid": True}
+
+    return {"paid": False}
+
+@lnaddress_ext.delete("/api/v1/addresses/{address_id}")
+async def api_address_delete(address_id, g: WalletTypeInfo = Depends(get_key_type)):
+    address = await get_address(address_id)
+    if not address:
+        raise HTTPException(
+                status_code=HTTPStatus.NOT_FOUND,
+                detail="Address does not exist.",
+            )
+    if address.wallet != g.wallet.id:
+        raise HTTPException(
+                status_code=HTTPStatus.FORBIDDEN,
+                detail="Not your address.",
+            )
+
+    await delete_address(address_id)
+    raise HTTPException(status_code=HTTPStatus.NO_CONTENT)
+