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| 1 # coding: utf-8 | |
| 2 | |
| 3 # This file is part of the Adblock Plus web scripts, | |
| 4 # Copyright (C) 2006-2016 Eyeo GmbH | |
| 5 # | |
| 6 # Adblock Plus is free software: you can redistribute it and/or modify | |
| 7 # it under the terms of the GNU General Public License version 3 as | |
| 8 # published by the Free Software Foundation. | |
| 9 # | |
| 10 # Adblock Plus is distributed in the hope that it will be useful, | |
| 11 # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 13 # GNU General Public License for more details. | |
| 14 # | |
| 15 # You should have received a copy of the GNU General Public License | |
| 16 # along with Adblock Plus. If not, see <http://www.gnu.org/licenses/>. | |
| 17 | |
| 18 import json | |
| 19 import os | |
| 20 import tempfile | |
| 21 import time | |
| 22 import traceback | |
| 23 from datetime import datetime | |
| 24 from errno import EEXIST | |
| 25 | |
| 26 import MySQLdb | |
| 27 | |
| 28 from sitescripts.web import url_handler | |
| 29 from sitescripts.utils import get_config, setupStderr | |
| 30 from sitescripts.filterhits import db, geometrical_mean | |
| 31 from sitescripts.filterhits.web import common | |
| 32 | |
| 33 | |
| 34 def log_filterhits(data, basepath, query_string): | |
| 35 """ | |
| 36 This logs the provided filterhits data as JSON to a file named after | |
| 37 the current timestamp in a directory named after the current date. | |
| 38 """ | |
| 39 now = time.gmtime() | |
| 40 | |
| 41 dir_name = time.strftime("%Y-%m-%d", now) | |
| 42 path = os.path.join(basepath, dir_name) | |
| 43 try: | |
| 44 os.makedirs(path) | |
| 45 except OSError as e: | |
| 46 if e.errno != EEXIST: | |
| 47 raise | |
| 48 | |
| 49 with tempfile.NamedTemporaryFile( | |
| 50 prefix=str(int(time.mktime(now))) + "-", | |
| 51 suffix=".log", | |
| 52 dir=path, | |
| 53 delete=False | |
| 54 ) as f: | |
| 55 print >> f, "[%s] %s" % (time.strftime("%d/%b/%Y:%H:%M:%S", now), query_
string) | |
| 56 json.dump(data, f) | |
| 57 return f.name | |
| 58 | |
| 59 | |
| 60 @url_handler("/submit") | |
| 61 def submit(environ, start_response): | |
| 62 setupStderr(environ["wsgi.errors"]) | |
| 63 config = get_config() | |
| 64 | |
| 65 # Check that this is a POST request | |
| 66 if environ["REQUEST_METHOD"] != "POST": | |
| 67 return common.show_error("Unsupported request method", start_response) | |
| 68 | |
| 69 # Parse the submitted JSON | |
| 70 try: | |
| 71 data = json.loads(environ["wsgi.input"].read(int(environ["CONTENT_LENGTH
"]))) | |
| 72 except (KeyError, IOError, ValueError): | |
| 73 return common.show_error("Error while parsing JSON data.", start_respons
e) | |
| 74 | |
| 75 # Make sure the submitted data was contained within an object at least | |
| 76 if not isinstance(data, dict): | |
| 77 return common.show_error("Error, data must be contained within an object
.", start_response) | |
| 78 | |
| 79 # Log the data to a file | |
| 80 log_dir = config.get("filterhitstats", "log_dir") | |
| 81 try: | |
| 82 log_file = log_filterhits(data, log_dir, environ.get("QUERY_STRING", "")
) | |
| 83 except (OSError, IOError): | |
| 84 traceback.print_exc() | |
| 85 return common.show_error("Failed to write data to log file!", start_resp
onse, | |
| 86 "500 Logging error") | |
| 87 | |
| 88 # Update the geometrical_mean aggregations in the database | |
| 89 interval = config.get("filterhitstats", "interval") | |
| 90 try: | |
| 91 db_connection = db.connect() | |
| 92 try: | |
| 93 db.write(db_connection, geometrical_mean.update(interval, data)) | |
| 94 finally: | |
| 95 db_connection.close() | |
| 96 except: | |
| 97 # Updating the aggregations in the database failed for whatever reason, | |
| 98 # log the details but continue to return 204 to the client to avoid the | |
| 99 # re-transmission of data. | |
| 100 processing_error_log = os.path.join(config.get("filterhitstats", "log_di
r"), | |
| 101 "processing-errors.log") | |
| 102 with open(processing_error_log, "a+") as f: | |
| 103 message = "Problem processing data file %s:\n%s" % ( | |
| 104 log_file, traceback.format_exc() | |
| 105 ) | |
| 106 print >> f, "[%s] %s" % (datetime.now().strftime("%d/%b/%Y:%H:%M:%S
%z"), message) | |
| 107 | |
| 108 # Send back a 204 No Content | |
| 109 start_response("204 No Content", []) | |
| 110 return [] | |
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