Create api.py

app/routes/api.py

@@ -0,0 +1,29 @@
+# API routes
+from flask import Blueprint, request, jsonify
+from app.services.ipfs import IPFS
+from app.services.encryption import encrypt_file
+from app.models import File, User
+
+api = Blueprint('api', __name__)
+
+@api.route('/files', methods=['POST'])
+def upload_file():
+    file = request.files['file']
+    user = User.query.filter_by(username=request.form['username']).first()
+    if user:
+        encrypted_file = encrypt_file(file)
+        ipfs_hash = IPFS.add(encrypted_file)
+        file = File(name=file.filename, content=ipfs_hash, user=user)
+        db.session.add(file)
+        db.session.commit()
+        return jsonify({'message': 'File uploaded successfully'})
+    return jsonify({'message': 'User not found'}), 404
+
+@api.route('/files/<string:ipfs_hash>', methods=['GET'])
+def download_file(ipfs_hash):
+    file = File.query.filter_by(ipfs_hash=ipfs_hash).first()
+    if file:
+        encrypted_file = IPFS.get(ipfs_hash)
+        decrypted_file = decrypt_file(encrypted_file)
+        return send_file(decrypted_file, as_attachment=True)
+    return jsonify({'message': 'File not found'}), 404