1 | from gutenbach.server.requests import GutenbachRequestHandler |
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2 | import BaseHTTPServer |
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3 | import gutenbach.ipp as ipp |
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4 | import logging |
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5 | import sys |
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6 | import traceback |
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7 | import tempfile |
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8 | |
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9 | # initialize logger |
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10 | logger = logging.getLogger(__name__) |
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11 | |
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12 | # initialize handler |
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13 | handler = GutenbachRequestHandler() |
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14 | |
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15 | class GutenbachIPPServer(BaseHTTPServer.BaseHTTPRequestHandler): |
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16 | def send_continue(self): |
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17 | self.send_response(100, "continue") |
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18 | self.send_header("Content-Type", "application/ipp") |
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19 | self.end_headers() |
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20 | |
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21 | def send_ok(self, response): |
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22 | logger.debug(repr(response)) |
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23 | binary, data_file = response.packed_value |
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24 | |
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25 | self.send_response(200, "ok") |
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26 | self.send_header("Content-Type", "application/ipp") |
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27 | self.send_header("Connection", "close") |
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28 | self.end_headers() |
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29 | |
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30 | self.wfile.write(binary) |
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31 | if data_file is not None: |
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32 | data = data_file.read(1024) |
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33 | while data != '': |
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34 | self.wfile.write(data) |
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35 | data = data_file.read(1024) |
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36 | |
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37 | def log_request(self, code=0, size=0): |
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38 | logger.info("response (%s)" % code) |
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39 | |
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40 | def log_message(self, fmt, *args): |
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41 | logger.info(fmt % args) |
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42 | |
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43 | def read_chunks(self): |
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44 | size = sys.maxint |
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45 | totalsize = 0 |
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46 | |
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47 | with tempfile.SpooledTemporaryFile() as tmp: |
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48 | while size > 0: |
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49 | a, b = self.rfile.read(2) |
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50 | size = a + b |
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51 | while not (a == "\r" and b == "\n"): |
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52 | a = b |
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53 | b = self.rfile.read(1) |
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54 | size += b |
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55 | size = int(size[:-2], base=16) |
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56 | totalsize += size |
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57 | chunk = self.rfile.read(size) |
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58 | clrf = self.rfile.read(2) |
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59 | assert clrf == "\r\n" |
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60 | tmp.write(chunk) |
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61 | |
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62 | tmp.seek(0) |
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63 | request = ipp.Request(request=tmp, length=totalsize) |
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64 | |
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65 | return request |
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66 | |
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67 | def do_POST(self): |
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68 | length = int(self.headers.getheader('content-length', 0)) |
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69 | expect = self.headers.getheader('expect', None) |
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70 | encoding = self.headers.getheader('transfer-encoding', None) |
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71 | |
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72 | logger.info("request %s (%d bytes)" % (self.command, length)) |
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73 | logger.debug(str(self.headers)) |
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74 | |
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75 | # Parse the request |
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76 | if length == 0 and encoding == "chunked": |
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77 | request = self.read_chunks() |
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78 | else: |
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79 | request = ipp.Request(request=self.rfile, length=length) |
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80 | |
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81 | # Get the handler and pass it the request and response |
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82 | # objects. It will fill in values for the response object or |
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83 | # throw a fatal error. |
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84 | logger.debug("request: %s" % repr(request)) |
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85 | response = handler.handle(request) |
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86 | self.send_ok(response) |
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