Initial Peer service code

file_peer/peer_service.py

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+from flask import Flask, send_file, request
+import requests
+import os
+
+app = Flask(__name__)
+
+@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/' + file_id + '_' + filename
+
+    if response.status_code == 200:
+        if os.path.exists(file_path):
+            # If it does, generate a new filename
+            i = 1
+            beg, end = file_path.split('.')
+            while os.path.exists(f'{beg}_{i}.{end}'):
+                i += 1
+            file_path = f'{beg}_{i}.{end}'
+            print("File with name already exists")
+        
+        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}', 
+    else:
+        error = response.text
+        print("Error:", error)
+        return error, response.status_code
+
+
+if __name__ == '__main__':
+    app.run(debug=True, port=8080)

file_peer/uploads/1_abcd.txt

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+Hello World!
+Flask Notes Transfer Test