Issue 395 - Filter hits statistics backend

sitescripts/filterhits/common.py

Index: sitescripts/filterhits/common.py
diff --git a/sitescripts/filterhits/common.py b/sitescripts/filterhits/common.py
new file mode 100644
index 0000000000000000000000000000000000000000..661c5233a0fa1eb9b28cff45d29c0331ce43933e
--- /dev/null
+++ b/sitescripts/filterhits/common.py
@@ -0,0 +1,48 @@
+# coding: utf-8
+
+# This file is part of the Adblock Plus web scripts,
+# Copyright (C) 2006-2015 Eyeo GmbH
+#
+# Adblock Plus is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 3 as
+# published by the Free Software Foundation.
+#
+# Adblock Plus is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
+
+from errno import EEXIST
+import json, tempfile, time, os
+
+def show_error(message, start_response, status="400 Processing Error"):
+  start_response(status, [("Content-Type", "text/plain; charset=utf-8")])
+  return [message.encode("utf-8")]
+
+def log_filterhits(data, basepath, query_string):
+  """
+  This logs the provided filterhits data as JSON to a file named after
+  the current timestamp in a directory named after the current date.
+  """
+  now = time.gmtime()
+
+  dir_name = time.strftime("%Y-%m-%d", now)
+  path = os.path.join(basepath, dir_name)
+  try:
+    os.makedirs(path)
+  except OSError as e:
+    if e.errno != EEXIST:
+      raise
+
+  with tempfile.NamedTemporaryFile(
+    prefix = str(int(time.mktime(now))) + "-",
+    suffix = ".log",
+    dir = path,
+    delete = False
+  ) as f:
+    f.write("[%s] \"%s\" %s\n" % (time.strftime('%d/%b/%Y:%H:%M:%S', now),
+                                  query_string, json.dumps(data)))
+    return f.name