3 from cStringIO import StringIO
4 import urlparse, httplib
5 import allmydata # for __full_version__
7 from allmydata.util.encodingutil import quote_output
8 from allmydata.scripts.common import TahoeError
9 from socket import error as socket_error
11 # copied from twisted/web/client.py
12 def parse_url(url, defaultPort=None):
14 parsed = urlparse.urlparse(url)
16 path = urlparse.urlunparse(('','')+parsed[2:])
17 if defaultPort is None:
22 host, port = parsed[1], defaultPort
24 host, port = host.split(':')
28 return scheme, host, port, path
31 def do_http(method, url, body=""):
32 if isinstance(body, str):
34 elif isinstance(body, unicode):
35 raise TypeError("do_http body must be a bytestring, not unicode")
37 # We must give a Content-Length header to twisted.web, otherwise it
38 # seems to get a zero-length file. I suspect that "chunked-encoding"
43 scheme, host, port, path = parse_url(url)
45 c = httplib.HTTPConnection(host, port)
46 elif scheme == "https":
47 c = httplib.HTTPSConnection(host, port)
49 raise ValueError("unknown scheme '%s', need http or https" % scheme)
50 c.putrequest(method, path)
51 c.putheader("Hostname", host)
52 c.putheader("User-Agent", allmydata.__full_version__ + " (tahoe-client)")
53 c.putheader("Accept", "text/plain, application/octet-stream")
54 c.putheader("Connection", "close")
57 body.seek(0, os.SEEK_END)
60 c.putheader("Content-Length", str(length))
64 except socket_error, err:
65 class BadResponse(object):
67 reason="Error trying to connect to %s: %s" % (url, err)
72 data = body.read(8192)
77 return c.getresponse()
80 def format_http_success(resp):
81 return "%s %s" % (resp.status, quote_output(resp.reason, quotemarks=False))
83 def format_http_error(msg, resp):
84 return "%s: %s %s\n%s" % (msg, resp.status, quote_output(resp.reason, quotemarks=False),
85 quote_output(resp.read(), quotemarks=False))
87 def check_http_error(resp, stderr):
88 if resp.status < 200 or resp.status >= 300:
89 print >>stderr, format_http_error("Error during HTTP request", resp)
93 class HTTPError(TahoeError):
94 def __init__(self, msg, resp):
95 TahoeError.__init__(self, format_http_error(msg, resp))