1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
|
# -*- coding: utf-8 -*-
# Copyright © 2012-2016 Roberto Alsina and others.
# Permission is hereby granted, free of charge, to any
# person obtaining a copy of this software and associated
# documentation files (the "Software"), to deal in the
# Software without restriction, including without limitation
# the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the
# Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice
# shall be included in all copies or substantial portions of
# the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
# OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
"""Start test server."""
from __future__ import print_function
import os
import re
import socket
import webbrowser
try:
from BaseHTTPServer import HTTPServer
from SimpleHTTPServer import SimpleHTTPRequestHandler
except ImportError:
from http.server import HTTPServer # NOQA
from http.server import SimpleHTTPRequestHandler # NOQA
try:
from StringIO import StringIO
except ImportError:
from io import BytesIO as StringIO # NOQA
from nikola.plugin_categories import Command
from nikola.utils import dns_sd, get_logger, STDERR_HANDLER
class IPv6Server(HTTPServer):
"""An IPv6 HTTPServer."""
address_family = socket.AF_INET6
class CommandServe(Command):
"""Start test server."""
name = "serve"
doc_usage = "[options]"
doc_purpose = "start the test webserver"
logger = None
dns_sd = None
cmd_options = (
{
'name': 'port',
'short': 'p',
'long': 'port',
'default': 8000,
'type': int,
'help': 'Port number (default: 8000)',
},
{
'name': 'address',
'short': 'a',
'long': 'address',
'type': str,
'default': '',
'help': 'Address to bind (default: 0.0.0.0 -- all local IPv4 interfaces)',
},
{
'name': 'detach',
'short': 'd',
'long': 'detach',
'type': bool,
'default': False,
'help': 'Detach from TTY (work in the background)',
},
{
'name': 'browser',
'short': 'b',
'long': 'browser',
'type': bool,
'default': False,
'help': 'Open the test server in a web browser',
},
{
'name': 'ipv6',
'short': '6',
'long': 'ipv6',
'type': bool,
'default': False,
'help': 'Use IPv6',
},
)
def _execute(self, options, args):
"""Start test server."""
self.logger = get_logger('serve', STDERR_HANDLER)
out_dir = self.site.config['OUTPUT_FOLDER']
if not os.path.isdir(out_dir):
self.logger.error("Missing '{0}' folder?".format(out_dir))
else:
os.chdir(out_dir)
if '[' in options['address']:
options['address'] = options['address'].strip('[').strip(']')
ipv6 = True
OurHTTP = IPv6Server
elif options['ipv6']:
ipv6 = True
OurHTTP = IPv6Server
else:
ipv6 = False
OurHTTP = HTTPServer
httpd = OurHTTP((options['address'], options['port']),
OurHTTPRequestHandler)
sa = httpd.socket.getsockname()
self.logger.info("Serving HTTP on {0} port {1}...".format(*sa))
if options['browser']:
if ipv6:
server_url = "http://[{0}]:{1}/".format(*sa)
else:
server_url = "http://{0}:{1}/".format(*sa)
self.logger.info("Opening {0} in the default web browser...".format(server_url))
webbrowser.open(server_url)
if options['detach']:
OurHTTPRequestHandler.quiet = True
try:
pid = os.fork()
if pid == 0:
httpd.serve_forever()
else:
self.logger.info("Detached with PID {0}. Run `kill {0}` to stop the server.".format(pid))
except AttributeError as e:
if os.name == 'nt':
self.logger.warning("Detaching is not available on Windows, server is running in the foreground.")
else:
raise e
else:
try:
self.dns_sd = dns_sd(options['port'], (options['ipv6'] or '::' in options['address']))
httpd.serve_forever()
except KeyboardInterrupt:
self.logger.info("Server is shutting down.")
if self.dns_sd:
self.dns_sd.Reset()
return 130
class OurHTTPRequestHandler(SimpleHTTPRequestHandler):
"""A request handler, modified for Nikola."""
extensions_map = dict(SimpleHTTPRequestHandler.extensions_map)
extensions_map[""] = "text/plain"
quiet = False
def log_message(self, *args):
"""Log messages. Or not, depending on a setting."""
if self.quiet:
return
else:
# Old-style class in Python 2.7, cannot use super()
return SimpleHTTPRequestHandler.log_message(self, *args)
# NOTICE: this is a patched version of send_head() to disable all sorts of
# caching. `nikola serve` is a development server, hence caching should
# not happen to have access to the newest resources.
#
# The original code was copy-pasted from Python 2.7. Python 3.3 contains
# the same code, missing the binary mode comment.
#
# Note that it might break in future versions of Python, in which case we
# would need to do even more magic.
def send_head(self):
"""Common code for GET and HEAD commands.
This sends the response code and MIME headers.
Return value is either a file object (which has to be copied
to the outputfile by the caller unless the command was HEAD,
and must be closed by the caller under all circumstances), or
None, in which case the caller has nothing further to do.
"""
path = self.translate_path(self.path)
f = None
if os.path.isdir(path):
if not self.path.endswith('/'):
# redirect browser - doing basically what apache does
self.send_response(301)
self.send_header("Location", self.path + "/")
# begin no-cache patch
# For redirects. With redirects, caching is even worse and can
# break more. Especially with 301 Moved Permanently redirects,
# like this one.
self.send_header("Cache-Control", "no-cache, no-store, "
"must-revalidate")
self.send_header("Pragma", "no-cache")
self.send_header("Expires", "0")
# end no-cache patch
self.end_headers()
return None
for index in "index.html", "index.htm":
index = os.path.join(path, index)
if os.path.exists(index):
path = index
break
else:
return self.list_directory(path)
ctype = self.guess_type(path)
try:
# Always read in binary mode. Opening files in text mode may cause
# newline translations, making the actual size of the content
# transmitted *less* than the content-length!
f = open(path, 'rb')
except IOError:
self.send_error(404, "File not found")
return None
filtered_bytes = None
if ctype == 'text/html':
# Comment out any <base> to allow local resolution of relative URLs.
data = f.read().decode('utf8')
f.close()
data = re.sub(r'<base\s([^>]*)>', '<!--base \g<1>-->', data, re.IGNORECASE)
data = data.encode('utf8')
f = StringIO()
f.write(data)
filtered_bytes = len(data)
f.seek(0)
self.send_response(200)
if ctype.startswith('text/') or ctype.endswith('+xml'):
self.send_header("Content-Type", "{0}; charset=UTF-8".format(ctype))
else:
self.send_header("Content-Type", ctype)
if os.path.splitext(path)[1] == '.svgz':
# Special handling for svgz to make it work nice with browsers.
self.send_header("Content-Encoding", 'gzip')
if filtered_bytes is None:
fs = os.fstat(f.fileno())
self.send_header('Content-Length', str(fs[6]))
else:
self.send_header('Content-Length', filtered_bytes)
# begin no-cache patch
# For standard requests.
self.send_header("Cache-Control", "no-cache, no-store, "
"must-revalidate")
self.send_header("Pragma", "no-cache")
self.send_header("Expires", "0")
# end no-cache patch
self.end_headers()
return f
|
