Adding in VaultEditor tests from old unittests

v2/test/parsing/vault/test_vault_editor.py

+#!/usr/bin/env python
+
+import getpass
+import os
+import shutil
+import time
+import tempfile
+from binascii import unhexlify
+from binascii import hexlify
+from nose.plugins.skip import SkipTest
+
+from ansible.compat.tests import unittest
+from ansible.compat.tests.mock import patch
+
+from ansible import errors
+from ansible.parsing.vault import VaultLib
+from ansible.parsing.vault import VaultEditor
+
+# Counter import fails for 2.0.1, requires >= 2.6.1 from pip
+try:
+    from Crypto.Util import Counter
+    HAS_COUNTER = True
+except ImportError:
+    HAS_COUNTER = False
+
+# KDF import fails for 2.0.1, requires >= 2.6.1 from pip
+try:
+    from Crypto.Protocol.KDF import PBKDF2
+    HAS_PBKDF2 = True
+except ImportError:
+    HAS_PBKDF2 = False
+
+# AES IMPORTS
+try:
+    from Crypto.Cipher import AES as AES
+    HAS_AES = True
+except ImportError:
+    HAS_AES = False
+
+v10_data = """$ANSIBLE_VAULT;1.0;AES
+53616c7465645f5fd0026926a2d415a28a2622116273fbc90e377225c12a347e1daf4456d36a77f9
+9ad98d59f61d06a4b66718d855f16fb7bdfe54d1ec8aeaa4d06c2dc1fa630ae1846a029877f0eeb1
+83c62ffb04c2512995e815de4b4d29ed"""
+
+v11_data = """$ANSIBLE_VAULT;1.1;AES256
+62303130653266653331306264616235333735323636616539316433666463323964623162386137
+3961616263373033353631316333623566303532663065310a393036623466376263393961326530
+64336561613965383835646464623865663966323464653236343638373165343863623638316664
+3631633031323837340a396530313963373030343933616133393566366137363761373930663833
+3739"""
+
+class TestVaultEditor(unittest.TestCase):
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        pass
+
+    def test_methods_exist(self):
+        v = VaultEditor(None, None, None)
+        slots = ['create_file',
+                 'decrypt_file',
+                 'edit_file',
+                 'encrypt_file',
+                 'rekey_file',
+                 'read_data',
+                 'write_data',
+                 'shuffle_files']
+        for slot in slots:         
+            assert hasattr(v, slot), "VaultLib is missing the %s method" % slot
+
+    @patch.object(VaultEditor, '_editor_shell_command')
+    def test_create_file(self, mock_editor_shell_command):
+        
+        def sc_side_effect(filename):
+            return ['touch', filename]
+        mock_editor_shell_command.side_effect = sc_side_effect
+
+        tmp_file = tempfile.NamedTemporaryFile()
+        os.unlink(tmp_file.name)
+
+        ve = VaultEditor(None, "ansible", tmp_file.name)
+        ve.create_file()
+
+        self.assertTrue(os.path.exists(tmp_file.name))
+
+    def test_decrypt_1_0(self):
+        if not HAS_AES or not HAS_COUNTER or not HAS_PBKDF2:
+            raise SkipTest
+
+        v10_file = tempfile.NamedTemporaryFile(delete=False)
+        with v10_file as f:
+            f.write(v10_data)
+
+        ve = VaultEditor(None, "ansible", v10_file.name)
+
+        # make sure the password functions for the cipher
+        error_hit = False
+        try:        
+            ve.decrypt_file()
+        except errors.AnsibleError, e:
+            error_hit = True
+
+        # verify decrypted content
+        f = open(v10_file.name, "rb")
+        fdata = f.read()
+        f.close()
+
+        os.unlink(v10_file.name)
+
+        assert error_hit == False, "error decrypting 1.0 file"            
+        assert fdata.strip() == "foo", "incorrect decryption of 1.0 file: %s" % fdata.strip() 
+
+
+    def test_decrypt_1_1(self):
+        if not HAS_AES or not HAS_COUNTER or not HAS_PBKDF2:
+            raise SkipTest
+
+        v11_file = tempfile.NamedTemporaryFile(delete=False)
+        with v11_file as f:
+            f.write(v11_data)
+
+        ve = VaultEditor(None, "ansible", v11_file.name)
+
+        # make sure the password functions for the cipher
+        error_hit = False
+        try:        
+            ve.decrypt_file()
+        except errors.AnsibleError, e:
+            error_hit = True
+
+        # verify decrypted content
+        f = open(v11_file.name, "rb")
+        fdata = f.read()
+        f.close()
+
+        os.unlink(v11_file.name)
+
+        assert error_hit == False, "error decrypting 1.0 file"            
+        assert fdata.strip() == "foo", "incorrect decryption of 1.0 file: %s" % fdata.strip() 
+
+
+    def test_rekey_migration(self):
+        if not HAS_AES or not HAS_COUNTER or not HAS_PBKDF2:
+            raise SkipTest
+
+        v10_file = tempfile.NamedTemporaryFile(delete=False)
+        with v10_file as f:
+            f.write(v10_data)
+
+        ve = VaultEditor(None, "ansible", v10_file.name)
+
+        # make sure the password functions for the cipher
+        error_hit = False
+        try:        
+            ve.rekey_file('ansible2')
+        except errors.AnsibleError, e:
+            error_hit = True
+
+        # verify decrypted content
+        f = open(v10_file.name, "rb")
+        fdata = f.read()
+        f.close()
+
+        assert error_hit == False, "error rekeying 1.0 file to 1.1"            
+
+        # ensure filedata can be decrypted, is 1.1 and is AES256
+        vl = VaultLib("ansible2")
+        dec_data = None
+        error_hit = False
+        try:
+            dec_data = vl.decrypt(fdata)
+        except errors.AnsibleError, e:
+            error_hit = True
+
+        os.unlink(v10_file.name)
+
+        assert vl.cipher_name == "AES256", "wrong cipher name set after rekey: %s" % vl.cipher_name
+        assert error_hit == False, "error decrypting migrated 1.0 file"            
+        assert dec_data.strip() == "foo", "incorrect decryption of rekeyed/migrated file: %s" % dec_data
+
+