255 lines
7.8 KiB
Python
Executable File
255 lines
7.8 KiB
Python
Executable File
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# Licensed under GNU General Public License v3 or later
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# Written by Sebastian Lohff (seba@seba-geek.de)
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# http://seba-geek.de/stuff/servefile/
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__version__ = '0.3.2'
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import argparse
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import cgi
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import BaseHTTPServer
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import commands
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import urllib
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import os
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import SocketServer
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import socket
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from stat import ST_SIZE
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from subprocess import Popen, PIPE
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import sys
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class FileHandler(BaseHTTPServer.BaseHTTPRequestHandler):
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fileName = "Undefined"
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filePath = "/dev/null"
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fileLength = 0
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blockSize = 1024 * 1024
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def do_GET(self):
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if urllib.unquote(self.path) != "/" + self.fileName:
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self.send_response(302)
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self.send_header('Location', '/' + self.fileName)
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self.end_headers()
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return
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myfile = open(self.filePath, 'rb')
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# find out if this is a continuing download
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fromto = None
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if "Range" in self.headers:
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cont = self.headers.get("Range").split("=")
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if len(cont) > 1 and cont[0] == 'bytes':
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fromto = cont[1].split('-')
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if len(fromto) > 1:
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if fromto[1] == '':
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fromto[1] = self.fileLength-1
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fromto[0] = int(fromto[0])
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fromto[1] = int(fromto[1])
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if fromto[0] >= self.fileLength or fromto[0] < 0 or fromto[1] >= self.fileLength or fromto[1]-fromto[0] < 0:
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# oops, already done!
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self.send_response(416)
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self.send_header('Content-Range', 'bytes */%s' % self.fileLength)
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self.end_headers()
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return
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# now we can wind the file *brrrrrr*
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myfile.seek(fromto[0])
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if fromto != None:
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self.send_response(216)
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self.send_header('Content-Range', 'bytes %s-%s/%s' % (fromto[0], fromto[1], self.fileLength))
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self.send_header('Content-Length', fromto[1]-fromto[0]+1)
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else:
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self.send_response(200)
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self.send_header('Content-Length', self.fileLength)
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self.send_header('Content-Disposition', 'attachment; filename="%s"' % self.fileName)
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self.send_header('Content-type', 'application/octet-stream')
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self.send_header('Content-Transfer-Encoding', ' binary')
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self.end_headers()
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block = self.getChunk(myfile, fromto)
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while block:
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try:
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self.wfile.write(block)
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except socket.error, e:
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print "%s ABORTED transmission (Reason %s: %s)" % (self.client_address[0], e[0], e[1])
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return
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block = self.getChunk(myfile, fromto)
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myfile.close()
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print "%s finished downloading" % (self.client_address[0])
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return
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def getChunk(self, myfile, fromto):
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if fromto and myfile.tell()+self.blockSize >= fromto[1]:
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readsize = fromto[1]-myfile.tell()+1
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else:
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readsize = self.blockSize
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return myfile.read(readsize)
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class FilePutter(BaseHTTPServer.BaseHTTPRequestHandler):
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targetDir = "unknown"
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uploadPage = """
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<!docype html>
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<html>
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<form action="/" method="post" enctype="multipart/form-data">
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<label for="file">Filename:</label>
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<input type="file" name="file" id="file" />
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<br />
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<input type="submit" name="submit" value="Upload" />
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</form>
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</html>
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"""
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def do_GET(self):
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self.sendResponse(200, self.uploadPage)
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def do_POST(self):
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env = os.environ
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env['REQUEST_METHOD'] = "POST"
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ctype = self.headers.getheader('content-type')
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fstorage = cgi.FieldStorage(fp=self.rfile, headers=self.headers, environ=env)
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if not (ctype and ctype.lower().startswith("multipart/form-data")):
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self.sendResponse(400, "Request was not a multipart request. If you want to upload data with curl, do a PUT request, e.g. curl -X PUT -d @file http://ip:port/your-filename")
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if not "file" in fstorage:
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self.sendResponse(400, "No file found in request.")
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return
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destFileName = self.getTargetName(fstorage["file"].filename)
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if destFileName == "":
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self.sendResponse(400, "Filename was empty")
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return
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destFileName = self.targetDir + "/" + cleanFileName
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if os.path.exists(destFileName):
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i = 1
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extraDestFileName = destFileName + "(%s)" % i
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while os.path.exists(extraDestFileName):
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i += 1
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extraDestFileName = destFileName + "(%s)" % i
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destFileName = extraDestFileName
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print fstorage["file"].file
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target = open(destFileName, "w")
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target.write(fstorage["file"].file.read())
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target.close()
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msg = "OK!"
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self.sendResponse(200, "OK!")
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def sendResponse(self, code, msg):
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self.send_response(code)
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self.send_header('Content-Type', 'text/html')
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self.send_header('content-Length', str(len(msg)))
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self.end_headers()
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self.wfile.write(msg)
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def getTargetName(self, fname):
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cleanFileName = fname.replace("/", "")
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if cleanFileName == "":
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return ""
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destFileName = self.targetDir + "/" + cleanFileName
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if not os.path.exists(destFileName):
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return destFileName
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else:
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i = 1
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extraDestFileName = destFileName + "(%s)" % i
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while os.path.exists(extraDestFileName):
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i += 1
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extraDestFileName = destFileName + "(%s)" % i
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return extraDestFileName
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# never reached
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class ThreadedHTTPServer(SocketServer.ThreadingMixIn, BaseHTTPServer.HTTPServer):
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pass
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def main():
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parser = argparse.ArgumentParser(description='Serve a single file via HTTP')
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parser.add_argument('--version', action='version', version='%(prog)s ' + __version__)
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parser.add_argument('filename', metavar='file/directory', type=str)
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parser.add_argument('-p', '--port', type=int, default=8080, \
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help='port to listen on')
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parser.add_argument('-u', '--upload', action="store_true", default=False, \
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help="Enable uploads to a given directory")
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args = parser.parse_args()
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handler = None
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dirCreated = False
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print args.upload
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if not args.upload:
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try:
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testit = open(args.filename, 'r')
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testit.close()
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FileHandler.filePath = args.filename
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FileHandler.fileName = os.path.basename(args.filename)
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FileHandler.fileLength = os.stat(args.filename)[ST_SIZE]
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except IOError:
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print "Error: Could not open file!"
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sys.exit(3)
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handler = FileHandler
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else:
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if os.path.isdir(args.filename):
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print "Warning: Uploading to an already existing directory"
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elif not os.path.exists(args.filename):
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dirCreated = True
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try:
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os.mkdir(args.filename)
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except IOError, OSError:
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print "Error: Could not create directory '%s' for uploads" % (args.filename,)
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sys.exit(3)
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else:
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print "Error: Upload directory already exists and is a file"
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sys.exit(3)
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FilePutter.targetDir = args.filename
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handler = FilePutter
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server = ThreadedHTTPServer(('', args.port), handler)
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if args.upload:
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print "Serving \"%s\" under port %d" % (args.filename, args.port)
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else:
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print "Serving \"%s\" for uploads under port %d" % (args.filename, args.port)
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# print urls with local network adresses
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print "\nSome addresses this will be available under:"
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# ip and ifconfig sometimes are located in /sbin/
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os.environ['PATH'] += ':/sbin:/usr/sbin'
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proc = Popen(r"ip addr|" + \
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"sed -n -e 's/.*inet6\? \([0-9.a-fA-F:]\+\)\/.*/\\1/ p'|" + \
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"grep -v '^fe80\|^127.0.0.1\|^::1'", shell=True, stdout=PIPE)
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if proc.wait() != 0:
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# ip failed somehow, falling back to ifconfig
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oldLang = os.environ.get("LC_ALL", None)
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os.environ['LC_ALL'] = "C"
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proc = Popen(r"ifconfig|" + \
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"sed -n 's/.*inet6\? addr: \?\([0-9a-fA-F.:]*\).*/" + \
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"\\1/p'|" + \
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"grep -v '^fe80\|^127.0.0.1\|^::1'", \
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shell=True, stdout=PIPE, stderr=PIPE)
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if oldLang:
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os.environ['LC_ALL'] = oldLang
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else:
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del(os.environ['LC_ALL'])
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if proc.wait() != 0:
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print "Error: Could not locate any ips for you."
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proc = None
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if proc:
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ips = proc.stdout.read().strip()
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for ip in ips.split("\n"):
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if ip.find(":") >= 0:
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# ipv6
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ip = "[%s]" % ip
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# FIXME: When BaseHTTP supports ipv6 properly, delete this line
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continue
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print "http://%s:%d/" % (ip, args.port)
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try:
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server.serve_forever()
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except KeyboardInterrupt:
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server.socket.close()
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# cleanup potential upload directory
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if dirCreated and len(os.listdir(args.filename)) == 0:
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# created upload dir was not used
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os.rmdir(args.filename)
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print "Good bye.."
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if __name__ == '__main__':
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main()
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