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>

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

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+Hello World!
+Flask Notes Transfer Test

file_peer/uploads/2_bcdef.txt

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