Mercurial > hg
view mercurial/hgweb/server.py @ 32983:0d757af1ea67
configitems: add a basic class to hold config item information
The goal of this class is allow explicit declaration for the available config
option. This class will hold the data for one specific config item.
To keep it simple we start centralizing the handling of the default config value.
In the future we can expect more data to be carried on this class. For example:
- documentation,
- status (experimental, advanced, normal, deprecated),
- aliases,
- expected type,
- etc...
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
---|---|
date | Sat, 17 Jun 2017 18:41:55 +0200 |
parents | d524c88511a7 |
children | ac96ff471c9a |
line wrap: on
line source
# 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. from __future__ import absolute_import import errno import os import socket import sys import traceback from ..i18n import _ from .. import ( error, pycompat, util, ) httpservermod = util.httpserver socketserver = util.socketserver urlerr = util.urlerr urlreq = util.urlreq from . import ( common, ) 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 urlreq.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(httpservermod.basehttprequesthandler): url_scheme = 'http' @staticmethod def preparehttpserver(httpserver, ui): """Prepare .socket of new HTTPServer instance""" pass def __init__(self, *args, **kargs): self.protocol_version = 'HTTP/1.1' httpservermod.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 _httprequesthandlerssl(_httprequesthandler): """HTTPS handler based on Python's ssl module""" url_scheme = 'https' @staticmethod def preparehttpserver(httpserver, ui): try: from .. import sslutil sslutil.modernssl except ImportError: raise error.Abort(_("SSL support is unavailable")) certfile = ui.config('web', 'certificate') # These config options are currently only meant for testing. Use # at your own risk. cafile = ui.config('devel', 'servercafile') reqcert = ui.configbool('devel', 'serverrequirecert') httpserver.socket = sslutil.wrapserversocket(httpserver.socket, ui, certfile=certfile, cafile=cafile, requireclientcert=reqcert) 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: import threading threading.activeCount() # silence pyflakes and bypass demandimport _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(_mixin, httpservermod.httpserver, object): # SO_REUSEADDR has broken semantics on windows if pycompat.osname == 'nt': allow_reuse_address = 0 def __init__(self, ui, app, addr, handler, **kwargs): httpservermod.httpserver.__init__(self, addr, handler, **kwargs) self.daemon_threads = True self.application = app handler.preparehttpserver(self, ui) prefix = ui.config('web', 'prefix', '') if prefix: prefix = '/' + prefix.strip('/') self.prefix = prefix alog = openlog(ui.config('web', 'accesslog', '-'), ui.fout) elog = openlog(ui.config('web', 'errorlog', '-'), ui.ferr) 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'): handler = _httprequesthandlerssl 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]))