remove FPE from anonymizer since we do not support it. (#552)

Co-authored-by: Nava Vaisman Levy <navalev@users.noreply.github.com>

docs/api-docs/api-docs.yml

@@ -193,7 +193,7 @@ paths:
                   type: string
                   example: "mask"
               example:
-                ["fpe", "hash", "mask", "redact", "replace"]
+                ["hash", "mask", "redact", "replace"]
 
 
   /health:

e2e-tests/tests/test_anonymizer.py

@@ -101,7 +101,7 @@ def test_given_anonymizers_called_then_expected_anonymizers_list_returned():
     response_status, response_content = anonymizers()
 
     expected_response = """
-        ["fpe", "hash", "mask", "redact", "replace"]
+        ["hash", "mask", "redact", "replace"]
     """
 
     assert response_status == 200

presidio-anonymizer/README.MD

@@ -176,5 +176,5 @@ No paramaters are required.
 Response sample:
 
 ```json
-["fpe", "hash", "mask", "redact", "replace"]
+["hash", "mask", "redact", "replace"]
 ```

presidio-anonymizer/presidio_anonymizer/anonymizers/__init__.py

@@ -1,6 +1,5 @@
 """Initializing all the existing anonymizers."""
 from .anonymizer import Anonymizer
-from .fpe import FPE
 from .hash import Hash
 from .mask import Mask
 from .redact import Redact
@@ -8,7 +7,6 @@ from .replace import Replace
 
 __all__ = [
     "Anonymizer",
-    "FPE",
     "Hash",
     "Mask",
     "Redact",

presidio-anonymizer/presidio_anonymizer/anonymizers/fpe.py

@@ -1,31 +0,0 @@
-"""
-Format Preserving encryption for PII text entities.
-
-Uses FF1 algorithm for the encryption.
-"""
-from presidio_anonymizer.anonymizers import Anonymizer
-
-
-# TODO implement + test
-class FPE(Anonymizer):
-    """
-    FPE - Format Preserving Encryption.
-
-    PII text will be replaced with a format preserving encryption using FF1 algorithm.
-    """
-
-    def anonymize(self, text: str = None, params: dict = None) -> str:
-        """Return anonymized text using FF1 algorithm."""
-        old_text = params.get("old_text")
-        decrypt = params.get("decrypt")
-        tweak = params.get("tweak")
-        key = params.get("key")
-        return old_text + decrypt + tweak + key
-
-    def validate(self, params: dict = None) -> None:
-        """TODO: [ADO-2547] docstring."""
-        pass
-
-    def anonymizer_name(self) -> str:
-        """Return anonymizer name."""
-        return "fpe"

presidio-anonymizer/tests/anonymizers/test_anonymizer.py

@@ -3,6 +3,6 @@ from presidio_anonymizer.anonymizers import Anonymizer
 
 def test_given_anonymizers_list_then_all_classes_are_there():
     anonymizers = Anonymizer.get_anonymizers()
-    assert len(anonymizers) >= 5
-    for class_name in ["hash", "mask", "redact", "replace", "fpe"]:
+    assert len(anonymizers) >= 4
+    for class_name in ["hash", "mask", "redact", "replace"]:
         assert anonymizers.get(class_name)

presidio-anonymizer/tests/test_anonymizer_config.py

@@ -7,7 +7,7 @@ from presidio_anonymizer.entities import AnonymizerConfig, InvalidParamException
     # fmt: off
     "class_name",
     [
-        "fpe", "hash", "mask", "redact", "replace"
+        "hash", "mask", "redact", "replace"
     ],
     # fmt: on
 )

presidio-anonymizer/tests/test_anonymizer_engine.py

@@ -9,7 +9,7 @@ from presidio_anonymizer.entities import AnonymizerConfig, InvalidParamException
 
 def test_given_request_anonymizers_return_list():
     engine = AnonymizerEngine()
-    expected_list = ["fpe", "hash", "mask", "redact", "replace"]
+    expected_list = ["hash", "mask", "redact", "replace"]
     anon_list = engine.get_anonymizers()
 
     assert anon_list == expected_list