WIP: add deanonymize endpoint to api

src/app.py

@@ -146,6 +146,27 @@ def anonymize() -> Response:
                 )
                 return jsonify(error=e.args[0]), 500
 
+        @self.app.route("/deanonymize", methods=["POST"])
+        def deanonymize() -> Response:
+            """Execute the deanonymizer function."""
+            try:
+                file = request.files['file']
+                if file.filename == '':
+                    return jsonify({'error': 'No selected file'}), 400
+
+                filepath = f'{UPLOAD_DIR}/{uuid.uuid4()}'
+                file.save(filepath)
+                self.logger.info(f"Successfully saved file: {filepath}")
+
+                anonymizer_results = json.loads(request.form['anonymizer_results'])
+                return jsonify(anonymizer_results)
+            except Exception as e:
+                self.logger.error(
+                    f"A fatal error occurred during execution of "
+                    f"deanonymize. {e}"
+                )
+                return jsonify(error=e.args[0]), 500
+
 
 if __name__ == "__main__":
     port = int(os.environ.get("PORT", DEFAULT_PORT))

tests/app_test.py

@@ -132,3 +132,21 @@ def test_vault_anonymize_csv_pii(client):
             "./tests/sample_data/vault_encrypted.csv", "r"
         ).read()
         assert anonymizer_data.replace("\r", "") == expected_anonymized_data
+
+def test_vault_deanonymize_csv(client):
+    with mock.patch.object(hvac, "Client"):
+        expected_plain_text = "text"
+        fake_client = mock.MagicMock()
+        fake_client.secrets.transit.decrypt_data.return_value = {"data": {"plaintext": expected_plain_text}}
+        hvac.Client.return_value = fake_client
+
+        deanonymizer_response = client.post("/deanonymize", data={
+            "file": open('./tests/sample_data/vault_encrypted.csv', 'rb'),
+            "vault_config": '{"url": "http://127.0.0.1:8200", "key": "foobar"}',
+            "anonymizer_results": '{}'
+        })
+
+        assert deanonymizer_response.status_code == 200
+        deanonymizer_data = deanonymizer_response.get_data(as_text=True)
+        expected_deanonymized_data = open('./tests/sample_data/sample_data.csv', 'r').read()
+        assert deanonymizer_data.replace("\r", "") == expected_deanonymized_data