def forward_local(self):
html = gae_handler.generate_message_html(
'Browser pass local request to proxy',
u'您的浏览器把本地请求转发到代理上。<br>请在浏览器中设置：访问本地，不经过代理。<br><a href="https://github.com/XX-net/XX-Net/wiki/Browser-pass-localhost-request-to-proxy">帮助</a>'
)
gae_handler.send_response(self.wfile, 200, body=html.encode('utf-8'))
def handler(method, host, url, headers, body, wfile):
global connect_allow_time
time_request = time.time()
errors = []
response = None
while True:
if time.time() - time_request > 30 or time.time() < connect_allow_time:
html = generate_message_html('504 GoAgent Proxy Time out', u'翻不上去，先休息2分钟再来！')
send_response(wfile, 504, body=html.encode('utf-8'))
return
try:
response = fetch(method, host, url, headers, body)
if response:
break
except Exception as e:
errors.append(e)
logging.exception('direct_handler.handler %r %s %s , retry...', e, host, url)
try:
wfile.write("HTTP/1.1 %d %s\r\n" % (response.status, response.reason))
response_headers = dict((k.title(), v) for k, v in response.getheaders())
for key, value in response.getheaders():
send_header(wfile, key, value)
#logging.debug("Head- %s: %s", key, value)
wfile.write("\r\n")
if method == 'HEAD' or response.status in (204, 304):
logging.info("DIRECT t:%d %d %s %s", (time.time()-time_request)*1000, response.status, host, url)
direct_connect_manager.save_ssl_connection_for_reuse(response.ssl_sock, host)
response.close()
return
if 'Transfer-Encoding' in response_headers:
length = 0
while True:
data = response.read(8192)
if not data:
wfile.write('0\r\n\r\n')
break
length += len(data)
wfile.write('%x\r\n' % len(data))
wfile.write(data)
wfile.write('\r\n')
response.close()
logging.info("DIRECT chucked t:%d s:%d %d %s %s", (time.time()-time_request)*1000, length, response.status, host, url)
return
content_length = int(response.getheader('Content-Length', 0))
content_range = response.getheader('Content-Range', '')
if content_range:
start, end, length = tuple(int(x) for x in re.search(r'bytes (\d+)-(\d+)/(\d+)', content_range).group(1, 2, 3))
else:
start, end, length = 0, content_length-1, content_length
time_start = time.time()
send_to_broswer = True
while True:
data = response.read(config.AUTORANGE_BUFSIZE)
if not data and time.time() - time_start > 120:
response.close()
logging.warn("read timeout t:%d len:%d left:%d %s %s", (time.time()-time_request)*1000, length, (end-start), host, url)
return
data_len = len(data)
start += data_len
if send_to_broswer:
try:
ret = wfile.write(data)
if ret == ssl.SSL_ERROR_WANT_WRITE or ret == ssl.SSL_ERROR_WANT_READ:
logging.debug("send to browser wfile.write ret:%d", ret)
ret = wfile.write(data)
except Exception as e_b:
if e_b[0] in (errno.ECONNABORTED, errno.EPIPE, errno.ECONNRESET) or 'bad write retry' in repr(e_b):
logging.warn('direct_handler send to browser return %r %s %r', e_b, host, url)
else:
logging.warn('direct_handler send to browser return %r %s %r', e_b, host, url)
send_to_broswer = False
if start >= end:
direct_connect_manager.save_ssl_connection_for_reuse(response.ssl_sock, host)
logging.info("DIRECT t:%d s:%d %d %s %s", (time.time()-time_request)*1000, length, response.status, host, url)
return
except NetWorkIOError as e:
if e[0] in (errno.ECONNABORTED, errno.EPIPE) or 'bad write retry' in repr(e):
logging.warn("direct_handler err:%r %s %s", e, host, url)
else:
logging.exception("direct_handler except:%r %s %s", e, host, url)
except Exception as e:
logging.exception("direct_handler except:%r %s %s", e, host, url)
def forward_local(self):
html = gae_handler.generate_message_html('Browser pass local request to proxy', u'您的浏览器把本地请求转发到代理上。<br>请在浏览器中设置：访问本地，不经过代理。<br><a href="https://github.com/XX-net/XX-Net/wiki/Browser-pass-localhost-request-to-proxy">帮助</a>')
gae_handler.send_response(self.wfile, 200, body=html.encode('utf-8'))
def handler(method, host, url, headers, body, wfile):
global connect_allow_time
time_request = time.time()
errors = []
response = None
while True:
if time.time() - time_request > 30 or time.time() < connect_allow_time:
html = generate_message_html('504 GoAgent Proxy Time out',
u'翻不上去，先休息2分钟再来！')
send_response(wfile, 504, body=html.encode('utf-8'))
return
try:
response = fetch(method, host, url, headers, body)
if response:
break
except Exception as e:
errors.append(e)
logging.exception('direct_handler.handler %r %s %s , retry...', e,
host, url)
try:
wfile.write("HTTP/1.1 %d %s\r\n" % (response.status, response.reason))
response_headers = dict(
(k.title(), v) for k, v in response.getheaders())
for key, value in response.getheaders():
send_header(wfile, key, value)
#logging.debug("Head- %s: %s", key, value)
wfile.write("\r\n")
if method == 'HEAD' or response.status in (204, 304):
logging.info("DIRECT t:%d %d %s %s",
(time.time() - time_request) * 1000, response.status,
host, url)
direct_connect_manager.save_ssl_connection_for_reuse(
response.ssl_sock, host)
response.close()
return
if 'Transfer-Encoding' in response_headers:
length = 0
while True:
data = response.read(8192)
if not data:
wfile.write('0\r\n\r\n')
break
length += len(data)
wfile.write('%x\r\n' % len(data))
wfile.write(data)
wfile.write('\r\n')
response.close()
logging.info("DIRECT chucked t:%d s:%d %d %s %s",
(time.time() - time_request) * 1000, length,
response.status, host, url)
return
content_length = int(response.getheader('Content-Length', 0))
content_range = response.getheader('Content-Range', '')
if content_range:
start, end, length = tuple(
int(x) for x in re.search(r'bytes (\d+)-(\d+)/(\d+)',
content_range).group(1, 2, 3))
else:
start, end, length = 0, content_length - 1, content_length
time_start = time.time()
send_to_broswer = True
while True:
data = response.read(config.AUTORANGE_BUFSIZE)
if not data and time.time() - time_start > 120:
response.close()
logging.warn("read timeout t:%d len:%d left:%d %s %s",
(time.time() - time_request) * 1000, length,
(end - start), host, url)
return
data_len = len(data)
start += data_len
if send_to_broswer:
try:
ret = wfile.write(data)
if ret == ssl.SSL_ERROR_WANT_WRITE or ret == ssl.SSL_ERROR_WANT_READ:
logging.debug("send to browser wfile.write ret:%d",
ret)
ret = wfile.write(data)
except Exception as e_b:
if e_b[0] in (errno.ECONNABORTED, errno.EPIPE,
errno.ECONNRESET
) or 'bad write retry' in repr(e_b):
logging.warn(
'direct_handler send to browser return %r %s %r',
e_b, host, url)
else:
logging.warn(
'direct_handler send to browser return %r %s %r',
e_b, host, url)
send_to_broswer = False
if start >= end:
direct_connect_manager.save_ssl_connection_for_reuse(
response.ssl_sock, host)
logging.info("DIRECT t:%d s:%d %d %s %s",
(time.time() - time_request) * 1000, length,
response.status, host, url)
return
except NetWorkIOError as e:
if e[0] in (errno.ECONNABORTED,
errno.EPIPE) or 'bad write retry' in repr(e):
logging.warn("direct_handler err:%r %s %s", e, host, url)
else:
logging.exception("direct_handler except:%r %s %s", e, host, url)
except Exception as e:
logging.exception("direct_handler except:%r %s %s", e, host, url)
