1 files changed, 26 insertions, 0 deletions
diff --git a/gitlab/utils.py b/gitlab/utils.py
index f3d97f7..83642c0 100644
--- a/gitlab/utils.py
+++ b/gitlab/utils.py
@@ -15,6 +15,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import logging
 import pathlib
 import traceback
 import urllib.parse
@@ -31,6 +32,31 @@ class _StdoutStream:
         print(chunk)
 
 
+class MaskingFormatter(logging.Formatter):
+    """A logging formatter that can mask credentials"""
+
+    def __init__(
+        self,
+        fmt: Optional[str] = logging.BASIC_FORMAT,
+        datefmt: Optional[str] = None,
+        style: str = "%",  # should be Literal, but needs extensions for 3.7
+        validate: bool = True,
+        masked: Optional[str] = None,
+    ) -> None:
+        super().__init__(fmt, datefmt, style, validate)  # type: ignore[arg-type]
+        self.masked = masked
+
+    def _filter(self, entry: str) -> str:
+        if not self.masked:
+            return entry
+
+        return entry.replace(self.masked, "[MASKED]")
+
+    def format(self, record: logging.LogRecord) -> str:
+        original = logging.Formatter.format(self, record)
+        return self._filter(original)
+
+
 def response_content(
     response: requests.Response,
     streamed: bool,