async def handle_user_message(r: web.Request,
message: str,
ws: web.WebSocketResponse = None):
"""Process data sent by client"""
address = util.get_request_ip(r)
uid = ws.id if ws is not None else '0'
now = int(round(time.time() * 1000))
if address in r.app['last_msg']:
if (now - r.app['last_msg'][address]['last']) < 25:
if r.app['last_msg'][address]['count'] > 3:
log.server_logger.error(
'client messaging too quickly: %s ms; %s; %s; User-Agent: %s',
str(now - r.app['last_msg'][address]['last']), address,
uid, str(r.headers.get('User-Agent')))
return None
else:
r.app['last_msg'][address]['count'] += 1
else:
r.app['last_msg'][address]['count'] = 0
else:
r.app['last_msg'][address] = {}
r.app['last_msg'][address]['count'] = 0
r.app['last_msg'][address]['last'] = now
log.server_logger.info('request; %s, %s, %s', message, address, uid)
if message not in r.app['active_messages']:
r.app['active_messages'].add(message)
else:
log.server_logger.error('request already active; %s; %s; %s', message,
address, uid)
return None
ret = None
try:
request_json = json.loads(message)
if request_json['action'] in allowed_rpc_actions:
if 'request_id' in request_json:
requestid = request_json['request_id']
else:
requestid = None
# adjust counts so nobody can block the node with a huge request
if 'count' in request_json:
if (request_json['count'] < 0) or (request_json['count'] >
3500):
request_json['count'] = 3500
# rpc: account_subscribe (only applies to websocket connections)
if request_json['action'] == "account_subscribe" and ws is not None:
# If account doesnt match the uuid self-heal
resubscribe = True
if 'uuid' in request_json:
# Perform multi-account upgrade if not already done
account = await r.app['rdata'].hget(
request_json['uuid'], "account")
# No account for this uuid, first subscribe
if account is None:
resubscribe = False
else:
# If account isn't stored in list-format, modify it so it is
# If it already is, add this account to the list
try:
account_list = json.loads(account)
if 'account' in request_json and request_json[
'account'].lower() not in account_list:
account_list.append(
request_json['account'].lower())
await r.app['rdata'].hset(
request_json['uuid'], "account",
json.dumps(account_list))
except Exception:
if 'account' in request_json and request_json[
'account'].lower() != account.lower():
resubscribe = False
else:
# Perform upgrade to list style
account_list = []
account_list.append(account.lower())
await r.app['rdata'].hset(
request_json['uuid'], "account",
json.dumps(account_list))
# already subscribed, reconnect (websocket connections)
if 'uuid' in request_json and resubscribe:
if uid in r.app['clients']:
del r.app['clients'][uid]
uid = request_json['uuid']
ws.id = uid
r.app['clients'][uid] = ws
log.server_logger.info('reconnection request;' + address +
';' + uid)
try:
if 'currency' in request_json and request_json[
'currency'] in currency_list:
currency = request_json['currency']
r.app['cur_prefs'][uid] = currency
await r.app['rdata'].hset(uid, "currency",
currency)
else:
setting = await r.app['rdata'].hget(
uid, "currency")
if setting is not None:
r.app['cur_prefs'][uid] = setting
else:
r.app['cur_prefs'][uid] = 'usd'
await r.app['rdata'].hset(
uid, "currency", 'usd')
# Get relevant account
account_list = json.loads(await r.app['rdata'].hget(
uid, "account"))
if 'account' in request_json:
account = request_json['account']
else:
# Legacy connections
account = account_list[0]
if account.replace("nano_", "xrb_") in account_list:
account_list.remove(
account.replace("nano_", "xrb_"))
account = account.replace('xrb_', 'nano_')
account_list.append(account)
await r.app['rdata'].hset(uid, "account",
json.dumps(account_list))
await rpc.rpc_reconnect(ws, r, account)
# Store FCM token for this account, for push notifications
if 'fcm_token' in request_json:
await update_fcm_token_for_account(
account, request_json['fcm_token'], r)
elif 'fcm_token_v2' in request_json and 'notification_enabled' in request_json:
if request_json['notification_enabled']:
await update_fcm_token_for_account(
account,
request_json['fcm_token_v2'],
r,
v2=True)
else:
await delete_fcm_token_for_account(
account, request_json['fcm_token_v2'], r)
except Exception as e:
log.server_logger.error('reconnect error; %s; %s; %s',
str(e), address, uid)
reply = {'error': 'reconnect error', 'detail': str(e)}
if requestid is not None:
reply['request_id'] = requestid
ret = json.dumps(reply)
# new user, setup uuid(or use existing if available) and account info
else:
log.server_logger.info('subscribe request; %s; %s',
util.get_request_ip(r), uid)
try:
if 'currency' in request_json and request_json[
'currency'] in currency_list:
currency = request_json['currency']
else:
currency = 'usd'
await rpc.rpc_subscribe(
ws, r,
request_json['account'].replace("nano_",
"xrb_"), currency)
# Store FCM token if available, for push notifications
if 'fcm_token' in request_json:
await update_fcm_token_for_account(
request_json['account'],
request_json['fcm_token'], r)
elif 'fcm_token_v2' in request_json and 'notification_enabled' in request_json:
if request_json['notification_enabled']:
await update_fcm_token_for_account(
request_json['account'],
request_json['fcm_token_v2'],
r,
v2=True)
else:
await delete_fcm_token_for_account(
request_json['account'],
request_json['fcm_token_v2'], r)
except Exception as e:
log.server_logger.error('subscribe error;%s;%s;%s',
str(e), address, uid)
reply = {'error': 'subscribe error', 'detail': str(e)}
if requestid is not None:
reply['request_id'] = requestid
ret = json.dumps(reply)
elif request_json['action'] == "fcm_update":
# Updating FCM token
if 'fcm_token_v2' in request_json and 'account' in request_json and 'enabled' in request_json:
if request_json['enabled']:
await update_fcm_token_for_account(
request_json['account'],
request_json['fcm_token_v2'],
r,
v2=True)
else:
await delete_fcm_token_for_account(
request_json['account'],
request_json['fcm_token_v2'], r)
# rpc: price_data
elif request_json['action'] == "price_data":
log.server_logger.info('price data request;%s;%s',
util.get_request_ip(r), uid)
try:
if request_json['currency'].upper() in currency_list:
try:
price = await r.app['rdata'].hget(
"prices", f"{price_prefix}-" +
request_json['currency'].lower())
reply = json.dumps({
'currency':
request_json['currency'].lower(),
'price':
str(price)
})
ret = reply
except Exception:
log.server_logger.error(
'price data error, unable to get price;%s;%s',
util.get_request_ip(r), uid)
ret = json.dumps({
'error':
'price data error - unable to get price'
})
else:
log.server_logger.error(
'price data error, unknown currency;%s;%s',
util.get_request_ip(r), uid)
ret = json.dumps({'error': 'unknown currency'})
except Exception as e:
log.server_logger.error('price data error;%s;%s;%s',
str(e), util.get_request_ip(r),
uid)
ret = json.dumps({
'error': 'price data error',
'details': str(e)
})
# rpc: account_check
elif request_json['action'] == "account_check":
log.server_logger.info('account check request;%s;%s',
util.get_request_ip(r), uid)
try:
response = await rpc.rpc_accountcheck(
r, uid, request_json['account'])
ret = json.dumps(response)
except Exception as e:
log.server_logger.error('account check error;%s;%s;%s',
str(e), util.get_request_ip(r),
uid)
ret = json.dumps({
'error': 'account check error',
'detail': str(e)
})
# rpc: process
elif request_json['action'] == "process":
try:
do_work = False
if 'do_work' in request_json and request_json[
'do_work'] == True:
do_work = True
subtype = None
if 'subtype' in request_json:
subtype = request_json['subtype']
if 'json_block' in request_json and request_json[
'json_block']:
sblock = request_json['block']
else:
sblock = json.loads(request_json['block'])
reply = await rpc.process_defer(r,
uid,
sblock,
do_work,
subtype=subtype)
if reply is None:
raise Exception
ret = json.dumps(reply)
except Exception as e:
log.server_logger.error(
'process rpc error;%s;%s;%s;User-Agent:%s', str(e),
util.get_request_ip(r), uid,
str(r.headers.get('User-Agent')))
ret = json.dumps({
'error': 'process rpc error',
'detail': str(e)
})
# rpc: pending
elif request_json['action'] == "pending":
try:
reply = await rpc.pending_defer(r, uid, request_json)
if reply is None:
raise Exception
ret = json.dumps(reply)
except Exception as e:
log.server_logger.error(
'pending rpc error;%s;%s;%s;User-Agent:%s', str(e),
util.get_request_ip(r), uid,
str(r.headers.get('User-Agent')))
ret = json.dumps({
'error': 'pending rpc error',
'detail': str(e)
})
elif request_json['action'] == 'account_history':
if await r.app['rdata'].hget(uid, "account") is None:
await r.app['rdata'].hset(
uid, "account", json.dumps([request_json['account']]))
try:
response = await rpc.json_post(request_json)
if response is None:
raise Exception
ret = json.dumps(response)
except Exception as e:
log.server_logger.error('rpc error;%s;%s;%s', str(e),
util.get_request_ip(r), uid)
ret = json.dumps({
'error': 'account_history rpc error',
'detail': str(e)
})
# rpc: fallthrough and error catch
else:
try:
response = await rpc.json_post(request_json)
if response is None:
raise Exception
ret = json.dumps(response)
except Exception as e:
log.server_logger.error('rpc error;%s;%s;%s', str(e),
util.get_request_ip(r), uid)
ret = json.dumps({'error': 'rpc error', 'detail': str(e)})
except Exception as e:
log.server_logger.exception('uncaught error;%s;%s',
util.get_request_ip(r), uid)
ret = json.dumps({
'error': 'general error',
'detail': str(sys.exc_info())
})
finally:
r.app['active_messages'].remove(message)
return ret
async def handle_user_message(r: web.Request,
message: str,
ws: web.WebSocketResponse = None):
"""Process data sent by client"""
address = util.get_request_ip(r)
uid = ws.id if ws is not None else '0'
now = int(round(time.time() * 1000))
if address in r.app['last_msg']:
if (now - r.app['last_msg'][address]['last']) < 25:
if r.app['last_msg'][address]['count'] > 3:
log.server_logger.error(
'client messaging too quickly: %s ms; %s; %s; User-Agent: %s',
str(now - r.app['last_msg'][address]['last']), address,
uid, str(r.headers.get('User-Agent')))
return None
else:
r.app['last_msg'][address]['count'] += 1
else:
r.app['last_msg'][address]['count'] = 0
else:
r.app['last_msg'][address] = {}
r.app['last_msg'][address]['count'] = 0
r.app['last_msg'][address]['last'] = now
log.server_logger.info('request; %s, %s, %s', message, address, uid)
if message not in r.app['active_messages']:
r.app['active_messages'].add(message)
else:
log.server_logger.error('request already active; %s; %s; %s', message,
address, uid)
return None
ret = None
try:
request_json = json.loads(message)
if request_json['action'] in ws_whitelist:
# rpc: account_subscribe (only applies to websocket connections)
if request_json['action'] == "account_subscribe" and ws is not None:
# already subscribed, reconnect (websocket connections)
if 'uuid' in request_json:
try:
del r.app['clients'][uid]
except Exception:
pass
uid = request_json['uuid']
ws.id = uid
r.app['clients'][uid] = ws
log.server_logger.info('reconnection request;' + address +
';' + uid)
try:
if 'currency' in request_json and request_json[
'currency'] in currency_list:
currency = request_json['currency']
r.app['cur_prefs'][uid] = currency
await r.app['rdata'].hset(uid, "currency",
currency)
else:
setting = await r.app['rdata'].hget(
uid, "currency")
if setting is not None:
r.app['cur_prefs'][uid] = setting
else:
r.app['cur_prefs'][uid] = 'usd'
await r.app['rdata'].hset(
uid, "currency", 'usd')
# Get relevant account and public key
account = request_json[
'account'] if 'account' in request_json else None
b58_pubkey = request_json[
'b58_pubkey'] if 'b58_pubkey' in request_json else None
await ws_reconnect(ws, r, account, b58_pubkey)
if 'fcm_token' in request_json and account is not None:
if request_json['notification_enabled']:
await update_fcm_token_for_account(
account, request_json['fcm_token'], r,
b58_pubkey)
else:
await delete_fcm_token(
account, request_json['fcm_token'], r)
except Exception as e:
log.server_logger.error('reconnect error; %s; %s; %s',
str(e), address, uid)
reply = {'error': 'reconnect error', 'detail': str(e)}
ret = json.dumps(reply)
# new user, setup uuid(or use existing if available) and account info
else:
log.server_logger.info('subscribe request; %s; %s',
util.get_request_ip(r), uid)
try:
if 'currency' in request_json and request_json[
'currency'] in currency_list:
currency = request_json['currency']
else:
currency = 'usd'
account = request_json[
'account'] if 'account' in request_json else None
b58_pubkey = request_json[
'b58_pubkey'] if 'b58_pubkey' in request_json else None
await ws_connect(ws, r, account, currency, b58_pubkey)
if 'fcm_token' in request_json and account is not None:
if request_json['notification_enabled']:
await update_fcm_token_for_account(
account, request_json['fcm_token'], r,
b58_pubkey)
else:
await delete_fcm_token(
account, request_json['fcm_token'], r)
except Exception as e:
log.server_logger.error('subscribe error;%s;%s;%s',
str(e), address, uid)
reply = {'error': 'subscribe error', 'detail': str(e)}
ret = json.dumps(reply)
elif request_json['action'] == "fcm_update":
# Updating FCM token
if 'fcm_token' in request_json and 'account' in request_json and 'enabled' in request_json:
b58_pubkey = request_json[
'b58_pubkey'] if 'b58_pubkey' in request_json else None
if request_json['enabled']:
await update_fcm_token_for_account(
request_json['account'], request_json['fcm_token'],
r, b58_pubkey)
else:
await delete_fcm_token(request_json['account'],
request_json['fcm_token'], r)
elif request_json['action'] == 'fcm_update_bulk':
if 'fcm_token' in request_json and 'accounts' in request_json and 'enabled' in request_json:
b58_pubkey = request_json[
'b58_pubkey'] if 'b58_pubkey' in request_json else None
if request_json['enabled']:
for account in request_json['accounts']:
await update_fcm_token_for_account(
account, request_json['fcm_token'], r,
b58_pubkey)
else:
for account in request_json['accounts']:
await delete_fcm_token(account,
request_json['fcm_token'],
r)
elif request_json['action'] == 'fcm_delete_account':
if 'fcm_token' in request_json and 'account' in request_json:
b58_pubkey = request_json[
'b58_pubkey'] if 'b58_pubkey' in request_json else None
await delete_fcm_account(request_json['account'],
request_json['fcm_token'],
r,
explicit=True)
except Exception as e:
log.server_logger.exception('uncaught error;%s;%s',
util.get_request_ip(r), uid)
ret = json.dumps({
'error': 'general error',
'detail': str(sys.exc_info())
})
finally:
r.app['active_messages'].remove(message)
return ret