ThomasV
2 years ago
7 changed files with 235 additions and 115 deletions
@ -0,0 +1,5 @@ |
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from electrum.i18n import _ |
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|
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fullname = _('PayServer') |
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description = 'run a HTTP server for receiving payments' |
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available_for = ['qt', 'cmdline'] |
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@ -0,0 +1,31 @@ |
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#!/usr/bin/env python |
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# |
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# Electrum - Lightweight Bitcoin Client |
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# Copyright (C) 2022 The Electrum Developers |
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# |
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# Permission is hereby granted, free of charge, to any person |
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# obtaining a copy of this software and associated documentation files |
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# (the "Software"), to deal in the Software without restriction, |
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# including without limitation the rights to use, copy, modify, merge, |
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# publish, distribute, sublicense, and/or sell copies of the Software, |
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# and to permit persons to whom the Software is furnished to do so, |
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# subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be |
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# included in all copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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|
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from .payserver import PayServerPlugin |
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class Plugin(PayServerPlugin): |
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pass |
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@ -0,0 +1,167 @@ |
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#!/usr/bin/env python |
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# |
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# Electrum - Lightweight Bitcoin Client |
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# Copyright (C) 2022 The Electrum Developers |
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# |
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# Permission is hereby granted, free of charge, to any person |
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# obtaining a copy of this software and associated documentation files |
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# (the "Software"), to deal in the Software without restriction, |
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# including without limitation the rights to use, copy, modify, merge, |
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# publish, distribute, sublicense, and/or sell copies of the Software, |
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# and to permit persons to whom the Software is furnished to do so, |
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# subject to the following conditions: |
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# |
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# The above copyright notice and this permission notice shall be |
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# included in all copies or substantial portions of the Software. |
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# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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|
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import os |
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import asyncio |
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from collections import defaultdict |
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|
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from aiohttp import ClientResponse |
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from aiohttp import web, client_exceptions |
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from aiorpcx import timeout_after, TaskTimeout, ignore_after |
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from aiorpcx import NetAddress |
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|
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from electrum.util import log_exceptions, ignore_exceptions |
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from electrum.crypto import sha256 |
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from electrum.plugin import BasePlugin, hook |
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from electrum.logging import Logger |
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from electrum.logging import Logger |
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from electrum.util import EventListener, event_listener |
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from electrum.invoices import PR_PAID, PR_EXPIRED |
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class PayServerPlugin(BasePlugin): |
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def __init__(self, parent, config, name): |
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BasePlugin.__init__(self, parent, config, name) |
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self.config = config |
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self.server = None |
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|
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@hook |
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def daemon_wallet_loaded(self, daemon, wallet): |
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# we use the first wallet loaded |
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if self.server is not None: |
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return |
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if self.config.get('offline'): |
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return |
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self.server = PayServer(self.config, wallet) |
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asyncio.run_coroutine_threadsafe(daemon._run(jobs=[self.server.run()]), daemon.asyncio_loop) |
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class PayServer(Logger, EventListener): |
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WWW_DIR = os.path.join(os.path.dirname(__file__), 'www') |
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def __init__(self, config, wallet): |
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Logger.__init__(self) |
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assert self.has_www_dir(), self.WWW_DIR |
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self.config = config |
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self.wallet = wallet |
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url = self.config.get('payserver_address', 'localhost:8080') |
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self.addr = NetAddress.from_string(url) |
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self.pending = defaultdict(asyncio.Event) |
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self.register_callbacks() |
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|
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@classmethod |
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def has_www_dir(cls) -> bool: |
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index_html = os.path.join(cls.WWW_DIR, "index.html") |
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return os.path.exists(index_html) |
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|
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@event_listener |
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async def on_event_request_status(self, wallet, key, status): |
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if status == PR_PAID: |
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self.pending[key].set() |
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|
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@ignore_exceptions |
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@log_exceptions |
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async def run(self): |
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self.root = root = self.config.get('payserver_root', '/r') |
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app = web.Application() |
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app.add_routes([web.get('/api/get_invoice', self.get_request)]) |
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app.add_routes([web.get('/api/get_status', self.get_status)]) |
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app.add_routes([web.get('/bip70/{key}.bip70', self.get_bip70_request)]) |
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# 'follow_symlinks=True' allows symlinks to traverse out the parent directory. |
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# This was requested by distro packagers for vendored libs, and we restrict it to only those |
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# to minimise attack surface. note: "add_routes" call order matters (inner path goes first) |
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app.add_routes([web.static(f"{root}/vendor", os.path.join(self.WWW_DIR, 'vendor'), follow_symlinks=True)]) |
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app.add_routes([web.static(root, self.WWW_DIR)]) |
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if self.config.get('payserver_allow_create_invoice'): |
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app.add_routes([web.post('/api/create_invoice', self.create_request)]) |
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runner = web.AppRunner(app) |
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await runner.setup() |
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site = web.TCPSite(runner, host=str(self.addr.host), port=self.addr.port, ssl_context=self.config.get_ssl_context()) |
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await site.start() |
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self.logger.info(f"now running and listening. addr={self.addr}") |
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async def create_request(self, request): |
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params = await request.post() |
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wallet = self.wallet |
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if 'amount_sat' not in params or not params['amount_sat'].isdigit(): |
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raise web.HTTPUnsupportedMediaType() |
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amount = int(params['amount_sat']) |
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message = params['message'] or "donation" |
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key = wallet.create_request( |
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amount_sat=amount, |
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message=message, |
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exp_delay=3600, |
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address=None) |
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raise web.HTTPFound(self.root + '/pay?id=' + key) |
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async def get_request(self, r): |
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key = r.query_string |
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request = self.wallet.get_formatted_request(key) |
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return web.json_response(request) |
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async def get_bip70_request(self, r): |
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from .paymentrequest import make_request |
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key = r.match_info['key'] |
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request = self.wallet.get_request(key) |
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if not request: |
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return web.HTTPNotFound() |
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pr = make_request(self.config, request) |
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return web.Response(body=pr.SerializeToString(), content_type='application/bitcoin-paymentrequest') |
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async def get_status(self, request): |
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ws = web.WebSocketResponse() |
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await ws.prepare(request) |
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key = request.query_string |
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info = self.wallet.get_formatted_request(key) |
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if not info: |
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await ws.send_str('unknown invoice') |
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await ws.close() |
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return ws |
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if info.get('status') == PR_PAID: |
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await ws.send_str(f'paid') |
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await ws.close() |
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return ws |
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if info.get('status') == PR_EXPIRED: |
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await ws.send_str(f'expired') |
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await ws.close() |
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return ws |
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while True: |
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try: |
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await asyncio.wait_for(self.pending[key].wait(), 1) |
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break |
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except asyncio.TimeoutError: |
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# send data on the websocket, to keep it alive |
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await ws.send_str('waiting') |
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await ws.send_str('paid') |
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await ws.close() |
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return ws |
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|
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@ -0,0 +1,29 @@ |
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#!/usr/bin/env python |
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# |
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# Electrum - Lightweight Bitcoin Client |
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# Copyright (C) 2022 The Electrum Developers |
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# |
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# Permission is hereby granted, free of charge, to any person |
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# obtaining a copy of this software and associated documentation files |
|||
# (the "Software"), to deal in the Software without restriction, |
|||
# including without limitation the rights to use, copy, modify, merge, |
|||
# publish, distribute, sublicense, and/or sell copies of the Software, |
|||
# and to permit persons to whom the Software is furnished to do so, |
|||
# subject to the following conditions: |
|||
# |
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# The above copyright notice and this permission notice shall be |
|||
# included in all copies or substantial portions of the Software. |
|||
# |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
|||
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
|||
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
|||
# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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# SOFTWARE. |
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|
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from .payserver import PayServerPlugin |
|||
|
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class Plugin(PayServerPlugin): |
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pass |
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