|
|
# hgweb/server.py - The standalone hg web server.
|
|
|
#
|
|
|
# Copyright 21 May 2005 - (c) 2005 Jake Edge <jake@edge2.net>
|
|
|
# Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
|
|
|
#
|
|
|
# This software may be used and distributed according to the terms of the
|
|
|
# GNU General Public License version 2 or any later version.
|
|
|
|
|
|
import os, sys, errno, urllib, BaseHTTPServer, socket, SocketServer, traceback
|
|
|
from mercurial import util, error
|
|
|
from mercurial.hgweb import common
|
|
|
from mercurial.i18n import _
|
|
|
|
|
|
def _splitURI(uri):
|
|
|
"""Return path and query that has been split from uri
|
|
|
|
|
|
Just like CGI environment, the path is unquoted, the query is
|
|
|
not.
|
|
|
"""
|
|
|
if '?' in uri:
|
|
|
path, query = uri.split('?', 1)
|
|
|
else:
|
|
|
path, query = uri, ''
|
|
|
return urllib.unquote(path), query
|
|
|
|
|
|
class _error_logger(object):
|
|
|
def __init__(self, handler):
|
|
|
self.handler = handler
|
|
|
def flush(self):
|
|
|
pass
|
|
|
def write(self, str):
|
|
|
self.writelines(str.split('\n'))
|
|
|
def writelines(self, seq):
|
|
|
for msg in seq:
|
|
|
self.handler.log_error("HG error: %s", msg)
|
|
|
|
|
|
class _httprequesthandler(BaseHTTPServer.BaseHTTPRequestHandler):
|
|
|
|
|
|
url_scheme = 'http'
|
|
|
|
|
|
@staticmethod
|
|
|
def preparehttpserver(httpserver, ssl_cert):
|
|
|
"""Prepare .socket of new HTTPServer instance"""
|
|
|
pass
|
|
|
|
|
|
def __init__(self, *args, **kargs):
|
|
|
self.protocol_version = 'HTTP/1.1'
|
|
|
BaseHTTPServer.BaseHTTPRequestHandler.__init__(self, *args, **kargs)
|
|
|
|
|
|
def _log_any(self, fp, format, *args):
|
|
|
fp.write("%s - - [%s] %s\n" % (self.client_address[0],
|
|
|
self.log_date_time_string(),
|
|
|
format % args))
|
|
|
fp.flush()
|
|
|
|
|
|
def log_error(self, format, *args):
|
|
|
self._log_any(self.server.errorlog, format, *args)
|
|
|
|
|
|
def log_message(self, format, *args):
|
|
|
self._log_any(self.server.accesslog, format, *args)
|
|
|
|
|
|
def log_request(self, code='-', size='-'):
|
|
|
xheaders = []
|
|
|
if util.safehasattr(self, 'headers'):
|
|
|
xheaders = [h for h in self.headers.items()
|
|
|
if h[0].startswith('x-')]
|
|
|
self.log_message('"%s" %s %s%s',
|
|
|
self.requestline, str(code), str(size),
|
|
|
''.join([' %s:%s' % h for h in sorted(xheaders)]))
|
|
|
|
|
|
def do_write(self):
|
|
|
try:
|
|
|
self.do_hgweb()
|
|
|
except socket.error as inst:
|
|
|
if inst[0] != errno.EPIPE:
|
|
|
raise
|
|
|
|
|
|
def do_POST(self):
|
|
|
try:
|
|
|
self.do_write()
|
|
|
except Exception:
|
|
|
self._start_response("500 Internal Server Error", [])
|
|
|
self._write("Internal Server Error")
|
|
|
self._done()
|
|
|
tb = "".join(traceback.format_exception(*sys.exc_info()))
|
|
|
self.log_error("Exception happened during processing "
|
|
|
"request '%s':\n%s", self.path, tb)
|
|
|
|
|
|
def do_GET(self):
|
|
|
self.do_POST()
|
|
|
|
|
|
def do_hgweb(self):
|
|
|
path, query = _splitURI(self.path)
|
|
|
|
|
|
env = {}
|
|
|
env['GATEWAY_INTERFACE'] = 'CGI/1.1'
|
|
|
env['REQUEST_METHOD'] = self.command
|
|
|
env['SERVER_NAME'] = self.server.server_name
|
|
|
env['SERVER_PORT'] = str(self.server.server_port)
|
|
|
env['REQUEST_URI'] = self.path
|
|
|
env['SCRIPT_NAME'] = self.server.prefix
|
|
|
env['PATH_INFO'] = path[len(self.server.prefix):]
|
|
|
env['REMOTE_HOST'] = self.client_address[0]
|
|
|
env['REMOTE_ADDR'] = self.client_address[0]
|
|
|
if query:
|
|
|
env['QUERY_STRING'] = query
|
|
|
|
|
|
if self.headers.typeheader is None:
|
|
|
env['CONTENT_TYPE'] = self.headers.type
|
|
|
else:
|
|
|
env['CONTENT_TYPE'] = self.headers.typeheader
|
|
|
length = self.headers.getheader('content-length')
|
|
|
if length:
|
|
|
env['CONTENT_LENGTH'] = length
|
|
|
for header in [h for h in self.headers.keys()
|
|
|
if h not in ('content-type', 'content-length')]:
|
|
|
hkey = 'HTTP_' + header.replace('-', '_').upper()
|
|
|
hval = self.headers.getheader(header)
|
|
|
hval = hval.replace('\n', '').strip()
|
|
|
if hval:
|
|
|
env[hkey] = hval
|
|
|
env['SERVER_PROTOCOL'] = self.request_version
|
|
|
env['wsgi.version'] = (1, 0)
|
|
|
env['wsgi.url_scheme'] = self.url_scheme
|
|
|
if env.get('HTTP_EXPECT', '').lower() == '100-continue':
|
|
|
self.rfile = common.continuereader(self.rfile, self.wfile.write)
|
|
|
|
|
|
env['wsgi.input'] = self.rfile
|
|
|
env['wsgi.errors'] = _error_logger(self)
|
|
|
env['wsgi.multithread'] = isinstance(self.server,
|
|
|
SocketServer.ThreadingMixIn)
|
|
|
env['wsgi.multiprocess'] = isinstance(self.server,
|
|
|
SocketServer.ForkingMixIn)
|
|
|
env['wsgi.run_once'] = 0
|
|
|
|
|
|
self.saved_status = None
|
|
|
self.saved_headers = []
|
|
|
self.sent_headers = False
|
|
|
self.length = None
|
|
|
self._chunked = None
|
|
|
for chunk in self.server.application(env, self._start_response):
|
|
|
self._write(chunk)
|
|
|
if not self.sent_headers:
|
|
|
self.send_headers()
|
|
|
self._done()
|
|
|
|
|
|
def send_headers(self):
|
|
|
if not self.saved_status:
|
|
|
raise AssertionError("Sending headers before "
|
|
|
"start_response() called")
|
|
|
saved_status = self.saved_status.split(None, 1)
|
|
|
saved_status[0] = int(saved_status[0])
|
|
|
self.send_response(*saved_status)
|
|
|
self.length = None
|
|
|
self._chunked = False
|
|
|
for h in self.saved_headers:
|
|
|
self.send_header(*h)
|
|
|
if h[0].lower() == 'content-length':
|
|
|
self.length = int(h[1])
|
|
|
if (self.length is None and
|
|
|
saved_status[0] != common.HTTP_NOT_MODIFIED):
|
|
|
self._chunked = (not self.close_connection and
|
|
|
self.request_version == "HTTP/1.1")
|
|
|
if self._chunked:
|
|
|
self.send_header('Transfer-Encoding', 'chunked')
|
|
|
else:
|
|
|
self.send_header('Connection', 'close')
|
|
|
self.end_headers()
|
|
|
self.sent_headers = True
|
|
|
|
|
|
def _start_response(self, http_status, headers, exc_info=None):
|
|
|
code, msg = http_status.split(None, 1)
|
|
|
code = int(code)
|
|
|
self.saved_status = http_status
|
|
|
bad_headers = ('connection', 'transfer-encoding')
|
|
|
self.saved_headers = [h for h in headers
|
|
|
if h[0].lower() not in bad_headers]
|
|
|
return self._write
|
|
|
|
|
|
def _write(self, data):
|
|
|
if not self.saved_status:
|
|
|
raise AssertionError("data written before start_response() called")
|
|
|
elif not self.sent_headers:
|
|
|
self.send_headers()
|
|
|
if self.length is not None:
|
|
|
if len(data) > self.length:
|
|
|
raise AssertionError("Content-length header sent, but more "
|
|
|
"bytes than specified are being written.")
|
|
|
self.length = self.length - len(data)
|
|
|
elif self._chunked and data:
|
|
|
data = '%x\r\n%s\r\n' % (len(data), data)
|
|
|
self.wfile.write(data)
|
|
|
self.wfile.flush()
|
|
|
|
|
|
def _done(self):
|
|
|
if self._chunked:
|
|
|
self.wfile.write('0\r\n\r\n')
|
|
|
self.wfile.flush()
|
|
|
|
|
|
class _httprequesthandleropenssl(_httprequesthandler):
|
|
|
"""HTTPS handler based on pyOpenSSL"""
|
|
|
|
|
|
url_scheme = 'https'
|
|
|
|
|
|
@staticmethod
|
|
|
def preparehttpserver(httpserver, ssl_cert):
|
|
|
try:
|
|
|
import OpenSSL
|
|
|
OpenSSL.SSL.Context
|
|
|
except ImportError:
|
|
|
raise error.Abort(_("SSL support is unavailable"))
|
|
|
ctx = OpenSSL.SSL.Context(OpenSSL.SSL.TLSv1_METHOD)
|
|
|
ctx.use_privatekey_file(ssl_cert)
|
|
|
ctx.use_certificate_file(ssl_cert)
|
|
|
sock = socket.socket(httpserver.address_family, httpserver.socket_type)
|
|
|
httpserver.socket = OpenSSL.SSL.Connection(ctx, sock)
|
|
|
httpserver.server_bind()
|
|
|
httpserver.server_activate()
|
|
|
|
|
|
def setup(self):
|
|
|
self.connection = self.request
|
|
|
self.rfile = socket._fileobject(self.request, "rb", self.rbufsize)
|
|
|
self.wfile = socket._fileobject(self.request, "wb", self.wbufsize)
|
|
|
|
|
|
def do_write(self):
|
|
|
import OpenSSL
|
|
|
try:
|
|
|
_httprequesthandler.do_write(self)
|
|
|
except OpenSSL.SSL.SysCallError as inst:
|
|
|
if inst.args[0] != errno.EPIPE:
|
|
|
raise
|
|
|
|
|
|
def handle_one_request(self):
|
|
|
import OpenSSL
|
|
|
try:
|
|
|
_httprequesthandler.handle_one_request(self)
|
|
|
except (OpenSSL.SSL.SysCallError, OpenSSL.SSL.ZeroReturnError):
|
|
|
self.close_connection = True
|
|
|
pass
|
|
|
|
|
|
class _httprequesthandlerssl(_httprequesthandler):
|
|
|
"""HTTPS handler based on Python's ssl module"""
|
|
|
|
|
|
url_scheme = 'https'
|
|
|
|
|
|
@staticmethod
|
|
|
def preparehttpserver(httpserver, ssl_cert):
|
|
|
try:
|
|
|
import ssl
|
|
|
ssl.wrap_socket
|
|
|
except ImportError:
|
|
|
raise error.Abort(_("SSL support is unavailable"))
|
|
|
httpserver.socket = ssl.wrap_socket(
|
|
|
httpserver.socket, server_side=True,
|
|
|
certfile=ssl_cert, ssl_version=ssl.PROTOCOL_TLSv1)
|
|
|
|
|
|
def setup(self):
|
|
|
self.connection = self.request
|
|
|
self.rfile = socket._fileobject(self.request, "rb", self.rbufsize)
|
|
|
self.wfile = socket._fileobject(self.request, "wb", self.wbufsize)
|
|
|
|
|
|
try:
|
|
|
from threading import activeCount
|
|
|
activeCount() # silence pyflakes
|
|
|
_mixin = SocketServer.ThreadingMixIn
|
|
|
except ImportError:
|
|
|
if util.safehasattr(os, "fork"):
|
|
|
_mixin = SocketServer.ForkingMixIn
|
|
|
else:
|
|
|
class _mixin(object):
|
|
|
pass
|
|
|
|
|
|
def openlog(opt, default):
|
|
|
if opt and opt != '-':
|
|
|
return open(opt, 'a')
|
|
|
return default
|
|
|
|
|
|
class MercurialHTTPServer(object, _mixin, BaseHTTPServer.HTTPServer):
|
|
|
|
|
|
# SO_REUSEADDR has broken semantics on windows
|
|
|
if os.name == 'nt':
|
|
|
allow_reuse_address = 0
|
|
|
|
|
|
def __init__(self, ui, app, addr, handler, **kwargs):
|
|
|
BaseHTTPServer.HTTPServer.__init__(self, addr, handler, **kwargs)
|
|
|
self.daemon_threads = True
|
|
|
self.application = app
|
|
|
|
|
|
handler.preparehttpserver(self, ui.config('web', 'certificate'))
|
|
|
|
|
|
prefix = ui.config('web', 'prefix', '')
|
|
|
if prefix:
|
|
|
prefix = '/' + prefix.strip('/')
|
|
|
self.prefix = prefix
|
|
|
|
|
|
alog = openlog(ui.config('web', 'accesslog', '-'), sys.stdout)
|
|
|
elog = openlog(ui.config('web', 'errorlog', '-'), sys.stderr)
|
|
|
self.accesslog = alog
|
|
|
self.errorlog = elog
|
|
|
|
|
|
self.addr, self.port = self.socket.getsockname()[0:2]
|
|
|
self.fqaddr = socket.getfqdn(addr[0])
|
|
|
|
|
|
class IPv6HTTPServer(MercurialHTTPServer):
|
|
|
address_family = getattr(socket, 'AF_INET6', None)
|
|
|
def __init__(self, *args, **kwargs):
|
|
|
if self.address_family is None:
|
|
|
raise error.RepoError(_('IPv6 is not available on this system'))
|
|
|
super(IPv6HTTPServer, self).__init__(*args, **kwargs)
|
|
|
|
|
|
def create_server(ui, app):
|
|
|
|
|
|
if ui.config('web', 'certificate'):
|
|
|
if sys.version_info >= (2, 6):
|
|
|
handler = _httprequesthandlerssl
|
|
|
else:
|
|
|
handler = _httprequesthandleropenssl
|
|
|
else:
|
|
|
handler = _httprequesthandler
|
|
|
|
|
|
if ui.configbool('web', 'ipv6'):
|
|
|
cls = IPv6HTTPServer
|
|
|
else:
|
|
|
cls = MercurialHTTPServer
|
|
|
|
|
|
# ugly hack due to python issue5853 (for threaded use)
|
|
|
try:
|
|
|
import mimetypes
|
|
|
mimetypes.init()
|
|
|
except UnicodeDecodeError:
|
|
|
# Python 2.x's mimetypes module attempts to decode strings
|
|
|
# from Windows' ANSI APIs as ascii (fail), then re-encode them
|
|
|
# as ascii (clown fail), because the default Python Unicode
|
|
|
# codec is hardcoded as ascii.
|
|
|
|
|
|
sys.argv # unwrap demand-loader so that reload() works
|
|
|
reload(sys) # resurrect sys.setdefaultencoding()
|
|
|
oldenc = sys.getdefaultencoding()
|
|
|
sys.setdefaultencoding("latin1") # or any full 8-bit encoding
|
|
|
mimetypes.init()
|
|
|
sys.setdefaultencoding(oldenc)
|
|
|
|
|
|
address = ui.config('web', 'address', '')
|
|
|
port = util.getport(ui.config('web', 'port', 8000))
|
|
|
try:
|
|
|
return cls(ui, app, (address, port), handler)
|
|
|
except socket.error as inst:
|
|
|
raise error.Abort(_("cannot start server at '%s:%d': %s")
|
|
|
% (address, port, inst.args[1]))
|
|
|
|
