mirror of
https://github.com/ClickHouse/ClickHouse.git
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87 lines
3.2 KiB
Python
87 lines
3.2 KiB
Python
# -*- coding: utf-8 -*-
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import argparse
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from BaseHTTPServer import BaseHTTPRequestHandler, HTTPServer
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import socket
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import ssl
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import csv
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# Decorator used to see if authentication works for external dictionary who use a HTTP source.
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def check_auth(fn):
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def wrapper(req):
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auth_header = req.headers.get('authorization', None)
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api_key = req.headers.get('api-key', None)
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if not auth_header or auth_header != 'Basic Zm9vOmJhcg==' or not api_key or api_key != 'secret':
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req.send_response(401)
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else:
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fn(req)
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return wrapper
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def start_server(server_address, data_path, schema, cert_path, address_family):
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class TSVHTTPHandler(BaseHTTPRequestHandler):
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@check_auth
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def do_GET(self):
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self.__send_headers()
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self.__send_data()
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@check_auth
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def do_POST(self):
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ids = self.__read_and_decode_post_ids()
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print "ids=", ids
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self.__send_headers()
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self.__send_data(ids)
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def __send_headers(self):
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self.send_response(200)
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self.send_header('Content-type', 'text/csv')
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self.end_headers()
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def __send_data(self, only_ids = None):
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with open(data_path, 'r') as fl:
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reader = csv.reader(fl, delimiter='\t')
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for row in reader:
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if not only_ids or (row[0] in only_ids):
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self.wfile.write('\t'.join(row) + '\n')
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def __read_and_decode_post_ids(self):
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data = self.__read_and_decode_post_data()
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return filter(None, data.split())
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def __read_and_decode_post_data(self):
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transfer_encoding = self.headers.get("Transfer-encoding")
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decoded = ""
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if transfer_encoding == "chunked":
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while True:
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s = self.rfile.readline()
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chunk_length = int(s, 16)
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if not chunk_length:
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break
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decoded += self.rfile.read(chunk_length)
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self.rfile.readline()
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else:
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content_length = int(self.headers.get("Content-Length", 0))
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decoded = self.rfile.read(content_length)
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return decoded
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if address_family == "ipv6":
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HTTPServer.address_family = socket.AF_INET6
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httpd = HTTPServer(server_address, TSVHTTPHandler)
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if schema == "https":
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httpd.socket = ssl.wrap_socket(httpd.socket, certfile=cert_path, server_side=True)
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httpd.serve_forever()
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description="Simple HTTP server returns data from file")
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parser.add_argument("--host", default="localhost")
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parser.add_argument("--port", default=5555, type=int)
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parser.add_argument("--data-path", required=True)
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parser.add_argument("--schema", choices=("http", "https"), required=True)
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parser.add_argument("--cert-path", default="./fake_cert.pem")
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parser.add_argument('--address-family', choices=("ipv4", "ipv6"), default="ipv4")
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args = parser.parse_args()
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start_server((args.host, args.port), args.data_path, args.schema, args.cert_path, args.address_family)
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