Merge pull request 'main' (#19) from sangge/mimajingsai:main into main

Reviewed-on: dqy/mimajingsai#19
This commit is contained in:
dqy 2023-10-23 16:03:14 +08:00
commit 9efc8e2c7b
2 changed files with 114 additions and 92 deletions

View File

@ -17,15 +17,8 @@ async def lifespan(app: FastAPI):
yield
clean_env()
app = FastAPI(lifespan=lifespan)
pk = point
sk = int
server_address = str
node_response = False
message = bytes
def init():
global pk, sk, server_address
@ -100,7 +93,6 @@ class C(BaseModel):
Tuple: Tuple[capsule, int]
ip: str
# receive messages from node
@app.post("/receive_messages")
async def receive_messages(message: C):
@ -178,7 +170,30 @@ async def check_merge(db, ct: int, ip: str):
# send message to node
def send_message(ip: tuple[str, ...]):
async def send_messages(node_ips: tuple[str, ...],
message: bytes,
dest_ip: str,
pk_B: point,
shreshold: int
):
global pk, sk
id_list = []
for node_ip in node_ips:
ip_parts = node_ip.split(".")
id = 0
for i in range(4):
id += int(ip_parts[i]) << (24 - (8 * i))
id_list.append(id)
rk_list = GenerateReKey(sk, pk_B, len(node_ips), shreshold, tuple(id_list)) # type: ignore
for i in range(len(node_ips)):
url = "http://" + node_ips[i] + ":8001" + "/recieve_message"
payload = {
"source_ip": local_ip,
"dest_ip": dest_ip,
"message": message,
"rk": rk_list[i]
}
response = requests.post(url, json=payload)
return 0
@ -186,18 +201,22 @@ class IP_Message(BaseModel):
dest_ip: str
message_name: str
source_ip: str
pk: int
# request message from others
@app.post("/request_message")
async def request_message(i_m: IP_Message):
global message, node_response
global message, node_response, pk
dest_ip = i_m.dest_ip
message_name = i_m.message_name
source_ip = get_own_ip()
dest_port = "8003"
url = "http://" + dest_ip + dest_port + "/recieve_request"
payload = {"dest_ip": dest_ip, "message_name": message_name, "source_ip": source_ip}
payload = {"dest_ip": dest_ip,
"message_name": message_name,
"source_ip": source_ip,
"pk": pk
}
response = requests.post(url, json=payload)
if response.status_code == 200:
data = response.json()
@ -205,7 +224,7 @@ async def request_message(i_m: IP_Message):
threshold = int(data["threshold"])
with sqlite3.connect("client.db") as db:
db.execute(
"""
"""
INSERT INTO senderinfo
(public_key, threshold)
VALUES
@ -222,6 +241,7 @@ async def request_message(i_m: IP_Message):
# return message to frontend
return {"message": data}
time.sleep(1)
return {"message": "recieve timeout"}
# recieve request from others
@ -233,8 +253,19 @@ async def recieve_request(i_m: IP_Message):
return HTTPException(status_code=400, detail="Wrong ip")
dest_ip = i_m.source_ip
threshold = random.randrange(1, 6)
public_key = pk
response = {"threshold": threshold,"public_key": public_key}
own_public_key = pk
pk_B = i_m.pk
with sqlite3.connect("client.db") as db:
cursor = db.execute("""
SELECT nodeip
FROM node
LIMIT ?
""",(threshold,))
node_ips = cursor.fetchall()
message = b"hello world" + random.randbytes(8)
await send_messages(node_ips, message, dest_ip, pk_B, threshold) # type: ignore
response = {"threshold": threshold,"public_key": own_public_key}
return response
@ -269,6 +300,14 @@ def get_node_list(count: int, server_addr: str):
print("Failed:", response.status_code, response.text)
pk = point
sk = int
server_address = str
node_response = False
message = bytes
local_ip = get_own_ip()
if __name__ == "__main__":
import uvicorn # pylint: disable=e0401

View File

@ -1,7 +1,10 @@
from fastapi import FastAPI
from fastapi import FastAPI,Request
import requests
from contextlib import asynccontextmanager
import socket
import asyncio
from pydantic import BaseModel
from tpre import *
@asynccontextmanager
async def lifespan(app: FastAPI):
@ -12,18 +15,23 @@ async def lifespan(app: FastAPI):
clear()
app = FastAPI(lifespan=lifespan)
server_address ="http://中心服务器IP地址:端口号/ip"
server_address ="http://中心服务器IP地址/server"
id = 0
ip = ''
client_ip_src = '' # 发送信息用户的ip
client_ip_des = '' # 接收信息用户的ip
processed_message = () # 重加密后的数据
# class C(BaseModel):
# Tuple: Tuple[capsule, int]
# ip_src: str
# 向中心服务器发送自己的IP地址,并获取自己的id
def send_ip(ip: str):
url = server_address
def send_ip():
url = server_address + '/get_node?ip = ' + ip
# ip = get_local_ip # type: ignore
data = {"ip": ip}
response = requests.post(url, data=data)
data = response.json()
id = data['id']
return id
global id
id = requests.get(url)
# 用socket获取本机ip
def get_local_ip():
@ -34,86 +42,61 @@ def get_local_ip():
# 获取本地IP地址
local_ip = s.getsockname()[0]
s.close()
return local_ip
global ip
ip = local_ip
id = int
def init():
ip = get_local_ip()
get_local_ip()
global id
id = send_ip(ip)
send_ip()
task = asyncio.create_task(send_heartbeat_internal())
def clear():
pass
@app.post("/heartbeat/")
async def receive_heartbeat():
return {"status": "received"}
# 接收用户发来的消息,经过处理之后,再将消息发送给其他用户
@app.post("/send_message")
async def send_message(message: str):
# 处理消息
processed_message = message.upper()
# 发送消息给其他用户
url = "http://其他用户IP地址:端口号/receive_message"
data = {"message": processed_message}
response = requests.post(url, data=data)
return response.json()
import requests
def send_heartbeat(url: str) -> bool:
try:
response = requests.get(url, timeout=5) # 使用 GET 方法作为心跳请求
response.raise_for_status() # 检查响应是否为 200 OK
# 可选:根据响应内容进行进一步验证
# if response.json() != expected_response:
# return False
return True
except requests.RequestException:
return False
# 使用方式
url = "https://your-service-url.com/heartbeat"
if send_heartbeat(url):
print("Service is alive!")
else:
print("Service might be down or unreachable.")
import asyncio
from contextlib import asynccontextmanager
from fastapi import FastAPI
async def receive_heartbeat_internal() -> int:
async def send_heartbeat_internal() -> None:
while True:
print('successful delete1')
timeout = 10
# print('successful send my_heart')
global ip
url = server_address + '/get_node?ip = ' + ip
folderol = requests.get(url)
timeout = 30
# 删除超时的节点(假设你有一个异步的数据库操作函数)
await async_cursor_execute("DELETE FROM nodes WHERE last_heartbeat < ?", (time.time() - timeout,))
await async_conn_commit()
print('successful delete')
await asyncio.sleep(timeout)
return 1
@asynccontextmanager
async def lifespan(app: FastAPI):
task = asyncio.create_task(receive_heartbeat_internal())
yield
task.cancel() # 取消我们之前创建的任务
await clean_env() # 假设这是一个异步函数
# 其他FastAPI应用的代码...
@app.post("/user_src") # 接收用户1发送的信息
async def receive_user_src_message(message: Request):
json_data = await message.json()
global client_ip_src,client_ip_des
# kfrag , capsule_ct ,client_ip_src , client_ip_des = json_data[] # 看梁俊勇
global processed_message
processed_message = ReEncrypt(kfrag, capsule_ct)
def send_user_des_message(): # 发送消息给用户2
global processed_message,client_ip_src,client_ip_des
data = {
"Tuple": processed_message, # 类型不匹配
"ip": client_ip_src
}
# 发送 HTTP POST 请求
response = requests.post("http://"+ client_ip_des + "/receive_messages", json=data)
print(response)
if __name__ == "__main__":
import uvicorn # pylint: disable=e0401
uvicorn.run("node:app", host="0.0.0.0", port=8000, reload=True)