#2687 - Include mimeo python module

modules/adblockplus/files/mimeo.py

+#!/usr/bin/env python3
+
+import argparse
+import re
+import sys
+import threading
+import traceback
+
+from http.server import BaseHTTPRequestHandler, HTTPServer
+from string import Template
+
+# The token used for the headers passed by nginx is: http_
+REGEX = r'\$http_\w+\b'
+DEFAULT_LOG = '$remote_addr - - [$time_local] "$request" $status $bytes_sent'
+_lock = threading.Lock()
+
+
+class Handler(BaseHTTPRequestHandler):
+    def get_header_values(self):
+        values = {}
+        headers = re.findall(REGEX, self.format)
+        for name in headers:
+            new_var = name[6:]
+            values[name[1:]] = self.headers.get(new_var, '-')
+        return values
+
+    def send_simple_response(self, status, response=None):
+        self.send_response(status)
+        self.end_headers()
+        if response is None:
+            response = bytes(self.responses[status][0], 'UTF-8')
+        self.wfile.write(response)
+
+    def write_info(self, args):
+        message = Template(self.format)
+        with _lock:
+            self.output.write(message.safe_substitute(args) + '\n')

[mathias, 2017/08/19 15:06:08]

The substitution and concatenation should also happen outside the lock.

[f.lopez, 2017/08/20 23:49:55]

Done.

+            self.output.flush()
+
+    def do_POST(self):
+        status = 200
+        content = bytes(self.response, 'UTF-8')
+        values = {
+            'remote_addr': self.address_string(),
+            'time_local': self.log_date_time_string(),
+            'request': self.requestline,
+            'status': status,
+            'bytes_sent': len(content),
+        }
+        values.update(self.get_header_values())
+        try:
+            self.write_info(values)
+            self.send_simple_response(status, content)
+        except:
+            traceback.print_exc(file=sys.stderr)
+            self.send_simple_response(500)
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('--port', action='store',
+                        default=8000, type=int,
+                        nargs='?',
+                        help='Port to use [default: 8000]')
+    parser.add_argument('--response', action='store',
+                        type=str, nargs='?', default='OK',
+                        help='The response send to the client')
+    parser.add_argument('--format', action='store',
+                        type=str, nargs='?',
+                        default=DEFAULT_LOG,
+                        help='Format of the log ouput')
+    parser.add_argument('output', action='store',
+                        type=str, nargs='?', default='-',
+                        help='The file where the logs will be written')
+    try:
+        args = parser.parse_args()
+        if args.output and args.output != '-':
+            fh = open(args.output, 'a')
+        else:
+            fh = open(sys.stdout.fileno(), 'w', closefd=False)
+        Handler.output = fh
+        Handler.format = args.format
+        Handler.response = args.response
+        server_address = ('', args.port)
+        httpd = HTTPServer(server_address, Handler)
+        httpd.serve_forever()
+    except:
+        fh.close()