| 1 | #!/usr/bin/python |
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| 2 | |
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| 3 | import os, os.path, sys |
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| 4 | from trac.web.main import dispatch_request |
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| 5 | from trac.web._fcgi import WSGIServer |
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| 6 | import urlparse |
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| 7 | |
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| 8 | env_path = os.getcwd()+'/tracdata' |
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| 9 | os.environ['TRAC_ENV'] = env_path |
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| 10 | |
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| 11 | def send_upgrade_message(environ, start_response): |
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| 12 | import pwd |
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| 13 | start_response('500 Internal Server Error', []) |
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| 14 | locker = pwd.getpwuid(os.getuid())[0] |
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| 15 | return ['''This Trac instance needs to be upgraded. |
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| 16 | |
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| 17 | From an Athena machine, type |
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| 18 | ssh %s@scripts trac-admin %s upgrade --no-backup |
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| 19 | ssh %s@scripts trac-admin %s wiki upgrade |
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| 20 | to upgrade, and then |
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| 21 | add scripts |
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| 22 | for-each-server -l %s pkill trac.fcgi |
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| 23 | to get this message out of the way. |
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| 24 | |
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| 25 | Please ask the scripts.mit.edu maintainers for help |
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| 26 | if you have any trouble, at scripts@mit.edu. |
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| 27 | ''' % (locker, env_path, locker, env_path, locker)] |
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| 28 | |
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| 29 | def setup_env(): |
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| 30 | '''Obtain the environment, handling the needs-upgrade check, and cache it. |
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| 31 | |
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| 32 | This mimics open_environment in trac/env.py.''' |
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| 33 | import trac.env |
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| 34 | env = trac.env.Environment(env_path) |
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| 35 | needs_upgrade = False |
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| 36 | try: |
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| 37 | needs_upgrade = env.needs_upgrade() |
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| 38 | except Exception, e: # e.g. no database connection |
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| 39 | env.log.exception(e) |
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| 40 | if env.needs_upgrade(): |
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| 41 | WSGIServer(send_upgrade_message).run() |
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| 42 | sys.exit(0) |
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| 43 | if hasattr(trac.env, 'env_cache'): |
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| 44 | trac.env.env_cache[env_path] = env |
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| 45 | setup_env() |
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| 46 | |
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| 47 | def my_dispatch_request(environ, start_response): |
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| 48 | if ('REDIRECT_URL' in environ and 'PATH_INFO' in environ |
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| 49 | and environ['REDIRECT_URL'].endswith(environ['PATH_INFO'])): |
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| 50 | environ['SCRIPT_NAME'] = environ['REDIRECT_URL'][:-len(environ['PATH_INFO'])] |
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| 51 | |
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| 52 | # If the referrer has our hostname and path, rewrite it to have |
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| 53 | # the right protocol and port, too. This lets the login link go |
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| 54 | # to the right page. |
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| 55 | if 'HTTP_REFERER' in environ: |
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| 56 | referrer = urlparse.urlsplit(environ['HTTP_REFERER']) |
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| 57 | base = urlparse.urlsplit( |
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| 58 | ('https://' if environ.get('HTTPS') == 'on' else 'http://') + |
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| 59 | environ['HTTP_HOST'] + |
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| 60 | environ['SCRIPT_NAME']) |
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| 61 | if referrer.hostname == base.hostname and \ |
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| 62 | (referrer.path == base.path or |
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| 63 | referrer.path.startswith(base.path + '/')): |
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| 64 | environ['HTTP_REFERER'] = urlparse.urlunsplit( |
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| 65 | (base.scheme, base.netloc, |
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| 66 | referrer.path, referrer.query, referrer.fragment)) |
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| 67 | |
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| 68 | return dispatch_request(environ, start_response) |
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| 69 | |
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| 70 | WSGIServer(my_dispatch_request).run() |
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