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Merge pull request 'TLS support for RPC nodes' (#7) from support-tls into master

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Reviewed-on: https://git.wownero.com/wownero/wowlet-backend/pulls/7
This commit is contained in:
wowario 2021-05-03 07:08:05 +00:00
commit ba87a744f6
3 changed files with 20 additions and 11 deletions
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1
data/nodes.json
View file

@ -16,6 +16,7 @@
"eu-west-5.wow.xmr.pm:34568",
"eu-west-6.wow.xmr.pm:34568",
"na-west-1.wow.xmr.pm:34568",
"wowbux.org:34568",
"169.119.33.174:34568",
"wow.bot.tips:34568",
"idontwanttogototoronto.wow.fail:34568"

26
wowlet_backend/tasks/rpc_nodes.py
View file

@ -41,19 +41,26 @@ class RPCNodeCheckTask(WowletTask):
for network_type, _nodes in _.items():
for node in _nodes:
try:
blob = await self.node_check(node, network_type=network_type)
data.append(blob)
except Exception as ex:
app.logger.warning(f"node {node} not reachable; {ex}")
for scheme in ["https", "http"]:
try:
blob = await self.node_check(f"{scheme}://{node}", network_type=network_type)
blob['tls'] = True if scheme == "https" else False
data.append(blob)
break
except Exception as ex:
continue
if not data:
app.logger.warning(f"node {node} not reachable")
data.append(self._bad_node({
"address": node,
"nettype": network_type_coin,
"type": network_type,
"height": 0
"height": 0,
"tls": False
}, reason="unreachable"))
# not neccesary for stagenet/testnet nodes to be validated
# not necessary for stagenet/testnet nodes to be validated
if network_type_coin != "mainnet":
nodes += data
continue
@ -82,14 +89,15 @@ class RPCNodeCheckTask(WowletTask):
"""Call /get_info on the RPC, return JSON"""
opts = {
"timeout": self._http_timeout,
"json": True
"json": True,
"verify_tls": False
}
if network_type == "tor":
opts["socks5"] = settings.TOR_SOCKS_PROXY
opts["timeout"] = self._http_timeout_onion
blob = await httpget(f"http://{node}/get_info", **opts)
blob = await httpget(f"{node}/get_info", **opts)
for expect in ["nettype", "height", "target_height"]:
if expect not in blob:
raise Exception(f"Invalid JSON response from RPC; expected key '{expect}'")

4
wowlet_backend/utils.py
View file

@ -54,14 +54,14 @@ def collect_websocket(func):
return wrapper
async def httpget(url: str, json=True, timeout: int = 5, socks5: str = None, raise_for_status=True):
async def httpget(url: str, json=True, timeout: int = 5, socks5: str = None, raise_for_status=True, verify_tls=True):
headers = {"User-Agent": random_agent()}
opts = {"timeout": aiohttp.ClientTimeout(total=timeout)}
if socks5:
opts['connector'] = ProxyConnector.from_url(socks5)
async with aiohttp.ClientSession(**opts) as session:
async with session.get(url, headers=headers) as response:
async with session.get(url, headers=headers, ssl=verify_tls) as response:
if raise_for_status:
response.raise_for_status()