Peer to Peer code along with test script (#18)

* Initial Peer service code

* Updated peer service

* Updated peer service

* Updated file service

* Updated User Ip registration

* Updated File moving function

* test

* test1 again

* new

---------

Co-authored-by: Sahej Panag <spanag3@gatech.edu>

backend/api/user_login.py

@@ -66,7 +66,13 @@ class PollOnlineView(APIView):
     def post(self, request):
         try:
             user = request.user
-            ip_address = get_client_ip(request)
+            try:
+                data = request.data
+                ip_address = data['ip']
+                print("Local IP found in request")
+            except Exception as e:
+                ip_address = get_client_ip(request)
+                print("Using public IP")
             user.ip_address = ip_address
             user.last_poll = timezone.now()
             user.save()

backend/api/utils/get_client_ip.py

@@ -13,7 +13,13 @@ def get_client_ip(request):
 
 def update_user_ip(request):
     user = request.user
-    ip_address = get_client_ip(request)
+    try:
+        data = request.data
+        ip_address = data['ip']
+        print("Local IP found in request")
+    except Exception as e:
+        ip_address = get_client_ip(request)
+        print("Using public IP")
     user.ip_address = ip_address
     user.last_poll = timezone.now()
     user.save()

backend/peer_notes/settings.py

@@ -25,7 +25,7 @@ SECRET_KEY = "django-insecure-rh0s*u8&#4$uugtt10cxbifjriaz%@&p1w!)c2=y^undd2*nx5
 # SECURITY WARNING: don't run with debug turned on in production!
 DEBUG = True
 
-ALLOWED_HOSTS = ["10.20.4.109", "73.7.29.136", "localhost", "127.0.0.1", "http://localhost:5173"]
+ALLOWED_HOSTS = ["*"]
 # ALLOWED_HOSTS = []
 
 

file_peer/peer_service.py

@@ -0,0 +1,111 @@
+from flask import Flask, send_file, request
+import requests
+import socket
+import shutil
+import os
+
+app = Flask(__name__)
+
+
+@app.route('/copy-file', methods = ['POST'])
+def copy_file():
+    try:
+        data = request.json
+        source_file = data['file_path']
+        id = data['file_id']
+        if not os.path.exists(source_file):
+            return f"Source file does not exist at {source_file}", 400
+        filename = os.path.basename(source_file)
+        destination_path = os.path.join('./uploads/', str(id) +'_' +  filename)
+        shutil.copyfile(source_file, destination_path)
+        return "File Moved successfully", 200
+    except Exception as e:
+        print(f'An error occured: {e}')
+        return "An error occured", 400
+
+
+@app.route('/ip', methods=["GET"])
+def get_internal_ip():
+    internal_ip = None
+    try:
+        s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
+        s.connect(("8.8.8.8", 80)) 
+        internal_ip = s.getsockname()[0]
+        s.close()
+    except Exception as e:
+        print("Error:", e)
+    return internal_ip, 200
+
+@app.route('/send', methods=['GET'])
+def send():
+    file_id = request.args.get('id')
+    filename = request.args.get('filename')
+
+    file_path = './uploads/' + file_id + '_' + filename
+    
+    return send_file(file_path, as_attachment=True, download_name = str(file_id)+'_'+filename)
+
+@app.route('/request', methods=['GET'])
+def request_file():
+    data = request.json
+    file_id = data['id']
+    filename = data['filename']
+    ip = data['ip']
+    
+
+    url = f"http://{ip}:8080/send"
+    params = {
+        'id': file_id,
+        'filename': filename,
+    }
+
+    response = requests.get(url, params=params)
+    file_path = './uploads/' + str(file_id) + '_' + filename
+
+    if response.status_code == 200:
+        if os.path.exists(file_path):
+            return "File with name already exists", 200
+        
+        with open(file_path, 'wb') as f:
+            f.write(response.content)
+        print("File downloaded successfully")
+        return f'File Downloaded to location to location {file_path}', 200
+    else:
+        error = response.text
+        print("Error:", error)
+        return error, response.status_code
+    
+@app.route('/request-tests', methods=['GET'])
+def request_test_():
+    data = request.json
+    file_id = data['id']
+    filename = data['filename']
+    ip = data['ip']
+    new_filename = data['new_filename']
+    
+
+    url = f"http://{ip}:8080/send"
+    params = {
+        'id': file_id,
+        'filename': filename,
+    }
+
+    response = requests.get(url, params=params)
+    file_path = './uploads/' + str(file_id) + '_' + new_filename
+
+    if response.status_code == 200:
+        if os.path.exists(file_path):
+            return "File with name already exists", 200
+        
+        with open(file_path, 'wb') as f:
+            f.write(response.content)
+        print("File downloaded successfully")
+        return f'File Downloaded to location to location {file_path}', 200
+    else:
+        error = response.text
+        print("Error:", error)
+        return error, response.status_code
+
+
+if __name__ == '__main__':
+    app.run(debug=True, host= '0.0.0.0', port=8080)

file_peer/uploads/1_abcd.txt

@@ -0,0 +1,2 @@
+Hello World!
+Flask Notes Transfer Test

file_peer/uploads/2_bcdef.txt

@@ -0,0 +1,2 @@
+Hello World!
+Flask Notes Transfer Test 2

test1.py

@@ -0,0 +1,40 @@
+import requests
+import json
+import os
+
+def request_tests():
+    url = "http://localhost:8080/request-tests"
+    downloaded_files = []
+    print("past url")
+    for i in range(100):
+        filename = f"TestFileTransfer.pdf"
+        
+        payload = json.dumps({
+            "id": 5,
+            "filename": filename,
+            "ip": "143.215.87.54",
+            "new_filename":f"TestFileTransfer_{i}.pdf"
+        })
+
+        headers = {
+        'Content-Type': 'application/json',
+        }
+        
+        response = requests.get(url, headers=headers, data=payload)
+        print("response received")
+        print(payload)
+        print(response)
+        
+        if response.status_code == 200:
+            print(f"Request {i+1} successful")
+            downloaded_files.append(f"bcdef_{i}.txt")
+        else:
+            print(f"Request {i+1} failed with status code {response.status_code}")
+    
+    if downloaded_files:
+        file_paths = ', '.join(['./uploads/' + file for file in downloaded_files])
+        return f"1000 files have been downloaded to {file_paths}", 200
+    else:
+        return "No files downloaded", 200
+
+request_tests()