Issue 395 - Filter hits statistics backend

sitescripts/filterhits/common.py

 # coding: utf-8
 
 # This file is part of the Adblock Plus web scripts,
-# Copyright (C) 2006-2014 Eyeo GmbH
+# 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 datetime import datetime
-import json, tempfile, os, MySQLdb
+from errno import EEXIST
+import json, tempfile, time, os
 
-def _get_db(config):
-  return MySQLdb.connect(
-    user=config.get("filterhitstats", "dbuser"),
-    passwd=config.get("filterhitstats", "dbpassword"),
-    db=config.get("filterhitstats", "database"),
-    use_unicode=True, charset="utf8"
-  )
+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 datetime_to_timestamp(dt):
-  return int((dt - datetime(1970, 1, 1)).total_seconds())
+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()
 
-def valid_filter_hit(filter_hit):
-  return (
-    isinstance(filter_hit, dict) and
-    "thirdParty" in filter_hit and
-    isinstance(filter_hit["thirdParty"], dict) and
-    "firstParty" in filter_hit and
-    isinstance(filter_hit["firstParty"], dict) and
-    "subscriptions" in filter_hit and
-    isinstance(filter_hit["subscriptions"], (list, tuple))
-  )
-
-def valid_log_data(data):
-  """
-    This returns True if the filterhits data passed is structured
-    roughly OK. Used as a quick check, it's not comprehensive.
-  """
-  return (
-    isinstance(data, dict) and
-    "version" in data and
-    "timeSincePush" in data and
-    "addonName" in data and
-    "version" in data and
-    "timeSincePush" in data and
-    "addonName" in data and
-    "addonVersion" in data and
-    "application" in data and
-    "applicationVersion" in data and
-    "platform" in data and
-    "platformVersion" in data and
-    "filters" in data and
-    isinstance(data["filters"], dict) and
-    (not len(data["filters"]) or
-     valid_filter_hit(data["filters"].itervalues().next()))
-  )
-
-def log_filterhits(data, basepath):
-  """
-    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 = datetime.now()
-
-  dir_name = now.strftime("%Y-%m-%d")
+  dir_name = time.strftime("%Y-%m-%d", now)
   path = os.path.join(basepath, dir_name)
-  if not os.path.exists(path):
+  try:
     os.makedirs(path)
+  except OSError as e:
+    if e.errno != EEXIST:
+      raise
 
   with tempfile.NamedTemporaryFile(
-    prefix = str(datetime_to_timestamp(now)) + "-",
+    prefix = str(int(time.mktime(now))) + "-",
     suffix = ".log",
     dir = path,
     delete = False
   ) as f:
-    f.write(json.dumps(data) + "\n")
+    f.write("[%s] \"%s\" %s\n" % (time.strftime('%d/%b/%Y:%H:%M:%S', now),
+                                  query_string, json.dumps(data)))
+    return f.name