Add other common strings that could represent sensitive values to ignore unless in --dangerous mode

enroll/ignore.py

@@ -46,9 +46,41 @@ DEFAULT_ALLOW_BINARY_GLOBS = [
     "/etc/pki/rpm-gpg/*",
 ]
 
+# Conservative secret patterns for default/safe harvesting.  These are
+# intentionally biased towards false positives: operators can opt in with
+# --dangerous or targeted include/exclude review when a file is genuinely
+# needed.
+#
+# The assignment pattern catches INI/YAML/JSON/TOML-ish keys such as:
+#   password: hunter2
+#   "client_secret": "..."
+#   aws_secret_access_key = ...
+#   GOOGLE_APPLICATION_CREDENTIALS=/path/to/key.json
 SENSITIVE_CONTENT_PATTERNS = [
-    re.compile(rb"-----BEGIN (RSA |EC |OPENSSH |)PRIVATE KEY-----"),
-    re.compile(rb"(?i)\bpassword\s*="),
+    re.compile(rb"-----BEGIN (RSA |EC |OPENSSH |DSA |)PRIVATE KEY-----"),
+    re.compile(
+        rb"""(?ix)
+        (^|[^A-Za-z0-9])
+        [\"']?
+        (
+            [A-Za-z0-9_.-]*
+            (
+                password|passwd|passphrase|
+                token|auth[_-]?token|access[_-]?token|refresh[_-]?token|
+                secret|client[_-]?secret|secret[_-]?key|
+                api[_-]?key|access[_-]?key|private[_-]?key|
+                credential|credentials|
+                aws[_-]?access[_-]?key[_-]?id|aws[_-]?secret[_-]?access[_-]?key|
+                azure[_-]?client[_-]?secret|azure[_-]?tenant[_-]?id|azure[_-]?client[_-]?id|
+                google[_-]?application[_-]?credentials|gcp[_-]?service[_-]?account|
+                service[_-]?account[_-]?key
+            )
+            [A-Za-z0-9_.-]*
+        )
+        [\"']?
+        \s*[:=]
+        """
+    ),
     re.compile(rb"(?i)\b(pass|passwd|token|secret|api[_-]?key)\b"),
 ]
 

tests/test_ignore.py

@@ -172,6 +172,40 @@ def test_deny_reason_private_key(tmp_path: Path):
     assert reason == "sensitive_content"
 
 
+def test_deny_reason_sensitive_common_assignment_keys(tmp_path: Path):
+    pol = IgnorePolicy()
+    cases = {
+        "password_yaml": "password: hunter2\n",
+        "password_json": '{"password": "hunter2"}\n',
+        "db_password": "db_password: hunter2\n",
+        "client_secret": "client_secret: abc123\n",
+        "secret_key": "secret_key = abc123\n",
+        "auth_token": "auth_token: abc123\n",
+        "passphrase": "passphrase: abc123\n",
+        "credentials": "credentials = abc123\n",
+    }
+    for name, text in cases.items():
+        config = tmp_path / name
+        config.write_text(text, encoding="utf-8")
+        assert pol.deny_reason(str(config)) == "sensitive_content", name
+
+
+def test_deny_reason_sensitive_common_cloud_assignment_keys(tmp_path: Path):
+    pol = IgnorePolicy()
+    cases = {
+        "aws_access_key_id": "aws_access_key_id = AKIAIOSFODNN7EXAMPLE\n",
+        "aws_secret_access_key": "aws_secret_access_key = wJalrXUtnFEMI/K7MDENG/bPxRfiCY\n",
+        "azure_client_secret": "azure_client_secret: abc123\n",
+        "google_application_credentials": "GOOGLE_APPLICATION_CREDENTIALS=/etc/app/key.json\n",
+        "gcp_service_account": "gcp_service_account: svc@example.iam.gserviceaccount.com\n",
+        "service_account_key": "service_account_key: abc123\n",
+    }
+    for name, text in cases.items():
+        config = tmp_path / name
+        config.write_text(text, encoding="utf-8")
+        assert pol.deny_reason(str(config)) == "sensitive_content", name
+
+
 def test_deny_reason_too_large(tmp_path: Path):
     pol = IgnorePolicy(max_file_bytes=100)
     large = tmp_path / "large.txt"