| #!/usr/bin/env python |
| # |
| # |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| # |
| # |
| # |
| # server-version.py: print a Subversion server's version number |
| # |
| # USAGE: server-version.py URL |
| # |
| # The URL can contain any path on the server, as we are simply looking |
| # for Apache's response to OPTIONS, and its Server: header. |
| # |
| # EXAMPLE: |
| # |
| # $ ./server-version.py http://svn.collab.net/ |
| # or |
| # $ ./server-version.py https://svn.collab.net/ |
| # |
| |
| import sys |
| try: |
| # Python >=3.0 |
| from http.client import HTTPConnection as http_client_HTTPConnection |
| from http.client import HTTPSConnection as http_client_HTTPSConnection |
| from urllib.parse import urlparse as urllib_parse_urlparse |
| except ImportError: |
| # Python <3.0 |
| from httplib import HTTPConnection as http_client_HTTPConnection |
| from httplib import HTTPSConnection as http_client_HTTPSConnection |
| from urlparse import urlparse as urllib_parse_urlparse |
| |
| |
| def print_version(url): |
| scheme, netloc, path, params, query, fragment = urllib_parse_urlparse(url) |
| if scheme == 'http': |
| conn = http_client_HTTPConnection(netloc) |
| elif scheme == 'https': |
| conn = http_client_HTTPSConnection(netloc) |
| else: |
| print('ERROR: this script only supports "http" and "https" URLs') |
| sys.exit(1) |
| conn.putrequest('OPTIONS', path) |
| conn.putheader('Host', netloc) |
| conn.endheaders() |
| resp = conn.getresponse() |
| status, msg, server = (resp.status, resp.msg, resp.getheader('Server')) |
| conn.close() |
| |
| # 1) Handle "OK" (200) |
| # 2) Handle redirect requests (302), if requested resource |
| # resides temporarily under a different URL |
| # 3) Handle authorization (401), if server requests for authorization |
| # ignore it, since we are interested in server version only |
| if status != 200 and status != 302 and status != 401: |
| print('ERROR: bad status response: %s %s' % (status, msg)) |
| sys.exit(1) |
| if not server: |
| # a missing Server: header. Bad, bad server! Go sit in the corner! |
| print('WARNING: missing header') |
| else: |
| for part in server.split(' '): |
| if part[:4] == 'SVN/': |
| print(part[4:]) |
| break |
| else: |
| # the server might be configured to hide this information, or it |
| # might not have mod_dav_svn loaded into it. |
| print('NOTICE: version unknown') |
| |
| |
| if __name__ == '__main__': |
| if len(sys.argv) != 2: |
| print('USAGE: %s URL' % sys.argv[0]) |
| sys.exit(1) |
| print_version(sys.argv[1]) |