Add Slack token detector

detect_secrets/core/usage.py

@@ -251,6 +251,11 @@ class PluginOptions(object):
             disable_flag_text='--no-aws-key-scan',
             disable_help_text='Disables scanning for AWS keys.',
         ),
+        PluginDescriptor(
+            classname='SlackDetector',
+            disable_flag_text='--no-slack-scan',
+            disable_help_text='Disables scanning for secret slack.',
+        ),
     ]
 
     def __init__(self, parser):

detect_secrets/plugins/common/initialize.py

@@ -11,6 +11,7 @@
 from ..high_entropy_strings import HexHighEntropyString     # noqa: F401
 from ..keyword import KeywordDetector                       # noqa: F401
 from ..private_key import PrivateKeyDetector                # noqa: F401
+from ..slack import SlackDetector                           # noqa: F401
 from detect_secrets.core.log import log
 
 

detect_secrets/plugins/slack.py

@@ -0,0 +1,15 @@
+"""
+This plugin searches for Slack tokens
+"""
+from __future__ import absolute_import
+
+import re
+
+from .base import RegexBasedDetector
+
+
+class SlackDetector(RegexBasedDetector):
+    secret_type = 'Slack Token'
+    blacklist = (
+        re.compile(r'xox(?:a|b|p|o|s|r)-(?:\d+-)+[a-z0-9]+', flags=re.IGNORECASE),
+    )

tests/core/usage_test.py

@@ -37,6 +37,7 @@ def test_consolidates_output_basic(self):
             'KeywordDetector': {},
             'PrivateKeyDetector': {},
             'AWSKeyDetector': {},
+            'SlackDetector': {},
         }
         assert not hasattr(args, 'no_private_key_scan')
 

tests/main_test.py

@@ -67,6 +67,7 @@ def test_scan_string_basic(self, mock_baseline_initialize):
                 HexHighEntropyString   : True  (3.459)
                 KeywordDetector        : False
                 PrivateKeyDetector     : False
+                SlackDetector          : False
             """)[1:]
 
         mock_baseline_initialize.assert_not_called()
@@ -85,6 +86,7 @@ def test_scan_string_cli_overrides_stdin(self):
                 HexHighEntropyString   : False (2.121)
                 KeywordDetector        : False
                 PrivateKeyDetector     : False
+                SlackDetector          : False
             """)[1:]
 
     def test_scan_with_all_files_flag(self, mock_baseline_initialize):

tests/plugins/slack_test.py

@@ -0,0 +1,45 @@
+from __future__ import absolute_import
+from __future__ import unicode_literals
+
+import pytest
+
+from detect_secrets.plugins.slack import SlackDetector
+from testing.mocks import mock_file_object
+
+
+class TestSlackDetector(object):
+
+    @pytest.mark.parametrize(
+        'file_content',
+        [
+            (
+                'xoxp-523423-234243-234233-e039d02840a0b9379c'
+            ),
+            (
+                'xoxo-523423-234243-234233-e039d02840a0b9379c'
+            ),
+            (
+                'xoxs-523423-234243-234233-e039d02840a0b9379c'
+            ),
+            (
+                'xoxa-511111111-31111111111-3111111111111-e039d02840a0b9379c'
+            ),
+            (
+                'xoxa-2-511111111-31111111111-3111111111111-e039d02840a0b9379c'
+            ),
+            (
+                'xoxr-523423-234243-234233-e039d02840a0b9379c'
+            ),
+            (
+                'xoxb-34532454-e039d02840a0b9379c'
+            ),
+        ],
+    )
+    def test_analyze(self, file_content):
+        logic = SlackDetector()
+
+        f = mock_file_object(file_content)
+        output = logic.analyze(f, 'mock_filename')
+        assert len(output) == 1
+        for potential_secret in output:
+            assert 'mock_filename' == potential_secret.filename

tests/pre_commit_hook_test.py

@@ -151,6 +151,9 @@ def test_that_baseline_gets_updated(
                 {
                     'name': 'PrivateKeyDetector',
                 },
+                {
+                    'name': 'SlackDetector',
+                },
             ]
 
     def test_writes_new_baseline_if_modified(self):