+++ /dev/null
-#!/bin/sh
-"""": # -*-python-*-
-bup_python="$(dirname "$0")/bup-python" || exit $?
-exec "$bup_python" "$0" ${1+"$@"}
-"""
-# end of bup preamble
-
-from __future__ import print_function
-from collections import namedtuple
-import mimetypes, os, posixpath, signal, stat, sys, time, urllib, webbrowser
-
-from bup import options, git, vfs
-from bup.helpers import (chunkyreader, debug1, format_filesize, handle_ctrl_c,
- log, resource_path, saved_errors)
-from bup.metadata import Metadata
-from bup.repo import LocalRepo
-
-try:
- from tornado import gen
- from tornado.httpserver import HTTPServer
- from tornado.ioloop import IOLoop
- from tornado.netutil import bind_unix_socket
- import tornado.web
-except ImportError:
- log('error: cannot find the python "tornado" module; please install it\n')
- sys.exit(1)
-
-
-# FIXME: right now the way hidden files are handled causes every
-# directory to be traversed twice.
-
-handle_ctrl_c()
-
-
-def http_date_from_utc_ns(utc_ns):
- return time.strftime('%a, %d %b %Y %H:%M:%S', time.gmtime(utc_ns / 10**9))
-
-
-def _compute_breadcrumbs(path, show_hidden=False):
- """Returns a list of breadcrumb objects for a path."""
- breadcrumbs = []
- breadcrumbs.append(('[root]', '/'))
- path_parts = path.split('/')[1:-1]
- full_path = '/'
- for part in path_parts:
- full_path += part + "/"
- url_append = ""
- if show_hidden:
- url_append = '?hidden=1'
- breadcrumbs.append((part, full_path+url_append))
- return breadcrumbs
-
-
-def _contains_hidden_files(repo, dir_item):
- """Return true if the directory contains items with names other than
- '.' and '..' that begin with '.'
-
- """
- for name, item in vfs.contents(repo, dir_item, want_meta=False):
- if name in ('.', '..'):
- continue
- if name.startswith('.'):
- return True
- return False
-
-
-def _dir_contents(repo, resolution, show_hidden=False):
- """Yield the display information for the contents of dir_item."""
-
- url_query = '?hidden=1' if show_hidden else ''
-
- def display_info(name, item, resolved_item, display_name=None):
- # link should be based on fully resolved type to avoid extra
- # HTTP redirect.
- if stat.S_ISDIR(vfs.item_mode(resolved_item)):
- link = urllib.quote(name) + '/'
- else:
- link = urllib.quote(name)
-
- size = vfs.item_size(repo, item)
- if opt.human_readable:
- display_size = format_filesize(size)
- else:
- display_size = size
-
- if not display_name:
- mode = vfs.item_mode(item)
- if stat.S_ISDIR(mode):
- display_name = name + '/'
- elif stat.S_ISLNK(mode):
- display_name = name + '@'
- else:
- display_name = name
-
- return display_name, link + url_query, display_size
-
- dir_item = resolution[-1][1]
- for name, item in vfs.contents(repo, dir_item):
- if not show_hidden:
- if (name not in ('.', '..')) and name.startswith('.'):
- continue
- if name == '.':
- yield display_info(name, item, item, '.')
- parent_item = resolution[-2][1] if len(resolution) > 1 else dir_item
- yield display_info('..', parent_item, parent_item, '..')
- continue
- res = vfs.try_resolve(repo, name, parent=resolution, want_meta=False)
- res_name, res_item = res[-1]
- yield display_info(name, item, res_item)
-
-
-class BupRequestHandler(tornado.web.RequestHandler):
-
- def initialize(self, repo=None):
- self.repo = repo
-
- def decode_argument(self, value, name=None):
- if name == 'path':
- return value
- return super(BupRequestHandler, self).decode_argument(value, name)
-
- def get(self, path):
- return self._process_request(path)
-
- def head(self, path):
- return self._process_request(path)
-
- def _process_request(self, path):
- path = urllib.unquote(path)
- print('Handling request for %s' % path)
- # Set want_meta because dir metadata won't be fetched, and if
- # it's not a dir, then we're going to want the metadata.
- res = vfs.resolve(self.repo, path, want_meta=True)
- leaf_name, leaf_item = res[-1]
- if not leaf_item:
- self.send_error(404)
- return
- mode = vfs.item_mode(leaf_item)
- if stat.S_ISDIR(mode):
- self._list_directory(path, res)
- else:
- self._get_file(self.repo, path, res)
-
- def _list_directory(self, path, resolution):
- """Helper to produce a directory listing.
-
- Return value is either a file object, or None (indicating an
- error). In either case, the headers are sent.
- """
- if not path.endswith('/') and len(path) > 0:
- print('Redirecting from %s to %s' % (path, path + '/'))
- return self.redirect(path + '/', permanent=True)
-
- hidden_arg = self.request.arguments.get('hidden', [0])[-1]
- try:
- show_hidden = int(hidden_arg)
- except ValueError as e:
- show_hidden = False
-
- self.render(
- 'list-directory.html',
- path=path,
- breadcrumbs=_compute_breadcrumbs(path, show_hidden),
- files_hidden=_contains_hidden_files(self.repo, resolution[-1][1]),
- hidden_shown=show_hidden,
- dir_contents=_dir_contents(self.repo, resolution,
- show_hidden=show_hidden))
-
- @gen.coroutine
- def _get_file(self, repo, path, resolved):
- """Process a request on a file.
-
- Return value is either a file object, or None (indicating an error).
- In either case, the headers are sent.
- """
- file_item = resolved[-1][1]
- file_item = vfs.augment_item_meta(repo, file_item, include_size=True)
- meta = file_item.meta
- ctype = self._guess_type(path)
- self.set_header("Last-Modified", http_date_from_utc_ns(meta.mtime))
- self.set_header("Content-Type", ctype)
-
- self.set_header("Content-Length", str(meta.size))
- assert len(file_item.oid) == 20
- self.set_header("Etag", file_item.oid.encode('hex'))
- if self.request.method != 'HEAD':
- with vfs.fopen(self.repo, file_item) as f:
- it = chunkyreader(f)
- for blob in chunkyreader(f):
- self.write(blob)
- raise gen.Return()
-
- def _guess_type(self, path):
- """Guess the type of a file.
-
- Argument is a PATH (a filename).
-
- Return value is a string of the form type/subtype,
- usable for a MIME Content-type header.
-
- The default implementation looks the file's extension
- up in the table self.extensions_map, using application/octet-stream
- as a default; however it would be permissible (if
- slow) to look inside the data to make a better guess.
- """
- base, ext = posixpath.splitext(path)
- if ext in self.extensions_map:
- return self.extensions_map[ext]
- ext = ext.lower()
- if ext in self.extensions_map:
- return self.extensions_map[ext]
- else:
- return self.extensions_map['']
-
- if not mimetypes.inited:
- mimetypes.init() # try to read system mime.types
- extensions_map = mimetypes.types_map.copy()
- extensions_map.update({
- '': 'text/plain', # Default
- '.py': 'text/plain',
- '.c': 'text/plain',
- '.h': 'text/plain',
- })
-
-
-io_loop = None
-
-def handle_sigterm(signum, frame):
- global io_loop
- debug1('\nbup-web: signal %d received\n' % signum)
- log('Shutdown requested\n')
- if not io_loop:
- sys.exit(0)
- io_loop.stop()
-
-
-signal.signal(signal.SIGTERM, handle_sigterm)
-
-UnixAddress = namedtuple('UnixAddress', ['path'])
-InetAddress = namedtuple('InetAddress', ['host', 'port'])
-
-optspec = """
-bup web [[hostname]:port]
-bup web unix://path
---
-human-readable display human readable file sizes (i.e. 3.9K, 4.7M)
-browser show repository in default browser (incompatible with unix://)
-"""
-o = options.Options(optspec)
-(opt, flags, extra) = o.parse(sys.argv[1:])
-
-if len(extra) > 1:
- o.fatal("at most one argument expected")
-
-if len(extra) == 0:
- address = InetAddress(host='127.0.0.1', port=8080)
-else:
- bind_url = extra[0]
- if bind_url.startswith('unix://'):
- address = UnixAddress(path=bind_url[len('unix://'):])
- else:
- addr_parts = extra[0].split(':', 1)
- if len(addr_parts) == 1:
- host = '127.0.0.1'
- port = addr_parts[0]
- else:
- host, port = addr_parts
- try:
- port = int(port)
- except (TypeError, ValueError) as ex:
- o.fatal('port must be an integer, not %r', port)
- address = InetAddress(host=host, port=port)
-
-git.check_repo_or_die()
-
-settings = dict(
- debug = 1,
- template_path = resource_path('web'),
- static_path = resource_path('web/static')
-)
-
-# Disable buffering on stdout, for debug messages
-sys.stdout = os.fdopen(sys.stdout.fileno(), 'w', 0)
-
-application = tornado.web.Application([
- (r"(?P<path>/.*)", BupRequestHandler, dict(repo=LocalRepo())),
-], **settings)
-
-http_server = HTTPServer(application)
-io_loop_pending = IOLoop.instance()
-
-if isinstance(address, InetAddress):
- http_server.listen(address.port, address.host)
- try:
- sock = http_server._socket # tornado < 2.0
- except AttributeError as e:
- sock = http_server._sockets.values()[0]
- print('Serving HTTP on %s:%d...' % sock.getsockname())
- if opt.browser:
- browser_addr = 'http://' + address[0] + ':' + str(address[1])
- io_loop_pending.add_callback(lambda : webbrowser.open(browser_addr))
-elif isinstance(address, UnixAddress):
- unix_socket = bind_unix_socket(address.path)
- http_server.add_socket(unix_socket)
- print('Serving HTTP on filesystem socket %r' % address.path)
-else:
- log('error: unexpected address %r', address)
- sys.exit(1)
-
-io_loop = io_loop_pending
-io_loop.start()
-
-if saved_errors:
- log('WARNING: %d errors encountered while saving.\n' % len(saved_errors))
- sys.exit(1)
projects / bup.git / blobdiff