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115 lines
4.4 KiB
Python
115 lines
4.4 KiB
Python
#!/usr/bin/env python
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"""
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02/2006 Will Holcomb <wholcomb@gmail.com>
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Reference: http://odin.himinbi.org/MultipartPostHandler.py
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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"""
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import io
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import mimetypes
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import os
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import re
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import stat
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import sys
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from lib.core.compat import choose_boundary
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from lib.core.convert import getBytes
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from lib.core.exception import SqlmapDataException
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from thirdparty.six.moves import urllib as _urllib
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# Controls how sequences are uncoded. If true, elements may be given
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# multiple values by assigning a sequence.
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doseq = 1
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class MultipartPostHandler(_urllib.request.BaseHandler):
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handler_order = _urllib.request.HTTPHandler.handler_order - 10 # needs to run first
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def http_request(self, request):
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data = request.data
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if isinstance(data, dict):
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v_files = []
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v_vars = []
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try:
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for(key, value) in data.items():
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if hasattr(value, "fileno") or hasattr(value, "file") or isinstance(value, io.IOBase):
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v_files.append((key, value))
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else:
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v_vars.append((key, value))
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except TypeError:
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systype, value, traceback = sys.exc_info()
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raise SqlmapDataException("not a valid non-string sequence or mapping object '%s'" % traceback)
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if len(v_files) == 0:
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data = _urllib.parse.urlencode(v_vars, doseq)
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else:
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boundary, data = self.multipart_encode(v_vars, v_files)
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contenttype = "multipart/form-data; boundary=%s" % boundary
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#if (request.has_header("Content-Type") and request.get_header("Content-Type").find("multipart/form-data") != 0):
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# print "Replacing %s with %s" % (request.get_header("content-type"), "multipart/form-data")
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request.add_unredirected_header("Content-Type", contenttype)
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request.data = data
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# NOTE: https://github.com/sqlmapproject/sqlmap/issues/4235
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if request.data:
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for match in re.finditer(b"(?i)\\s*-{20,}\\w+(\\s+Content-Disposition[^\\n]+\\s+|\\-\\-\\s*)", request.data):
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part = match.group(0)
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if b'\r' not in part:
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request.data = request.data.replace(part, part.replace(b'\n', b"\r\n"))
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return request
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def multipart_encode(self, vars, files, boundary=None, buf=None):
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if boundary is None:
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boundary = choose_boundary()
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if buf is None:
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buf = b""
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for (key, value) in vars:
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if key is not None and value is not None:
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buf += b"--%s\r\n" % getBytes(boundary)
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buf += b"Content-Disposition: form-data; name=\"%s\"" % getBytes(key)
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buf += b"\r\n\r\n" + getBytes(value) + b"\r\n"
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for (key, fd) in files:
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file_size = fd.len if hasattr(fd, "len") else os.fstat(fd.fileno())[stat.ST_SIZE]
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filename = fd.name.split("/")[-1] if "/" in fd.name else fd.name.split("\\")[-1]
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try:
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contenttype = mimetypes.guess_type(filename)[0] or b"application/octet-stream"
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except:
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# Reference: http://bugs.python.org/issue9291
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contenttype = b"application/octet-stream"
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buf += b"--%s\r\n" % getBytes(boundary)
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buf += b"Content-Disposition: form-data; name=\"%s\"; filename=\"%s\"\r\n" % (getBytes(key), getBytes(filename))
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buf += b"Content-Type: %s\r\n" % getBytes(contenttype)
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# buf += b"Content-Length: %s\r\n" % file_size
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fd.seek(0)
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buf += b"\r\n%s\r\n" % fd.read()
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buf += b"--%s--\r\n\r\n" % getBytes(boundary)
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buf = getBytes(buf)
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return boundary, buf
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https_request = http_request
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