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 traceback |
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6 | import sys |
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7 | |
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8 | # initialize logger |
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9 | logger = logging.getLogger(__name__) |
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10 | |
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11 | class GutenbachIPPServer(BaseHTTPServer.BaseHTTPRequestHandler): |
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12 | def setup(self): |
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13 | self.root = GutenbachRequestHandler() |
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14 | BaseHTTPServer.BaseHTTPRequestHandler.setup(self) |
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15 | |
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16 | def handle_one_request(self): |
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17 | self.raw_requestline = self.rfile.readline() |
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18 | if not self.raw_requestline: |
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19 | self.close_connection = 1 |
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20 | return |
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21 | if not self.parse_request(): # An error code has been sent, just exit |
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22 | return |
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23 | self.handle_ipp() |
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24 | |
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25 | def handle_ipp(self): |
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26 | # Receive a request |
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27 | length = int(self.headers.getheader('content-length', 0)) |
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28 | request = ipp.Request(request=self.rfile, length=length) |
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29 | logger.debug("Received request: %s" % repr(request)) |
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30 | |
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31 | # Get the handler and pass it the request and response |
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32 | # objects. It will fill in values for the response object or |
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33 | # thrown an error. |
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34 | try: |
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35 | response = self.root.handle(request) |
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36 | |
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37 | # Handle any errors that occur. If an exception occurs that |
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38 | # is an IPP error, then we can get the error code from the |
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39 | # exception itself. |
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40 | except ipp.errors.IPPException: |
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41 | exctype, excval, exctb = sys.exc_info() |
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42 | logger.error(traceback.format_exc()) |
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43 | response = ipp.ops.make_empty_response(request) |
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44 | excval.update_response(response) |
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45 | |
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46 | # If it wasn't an IPP error, then it's our fault, so mark it |
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47 | # as an internal server error |
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48 | except Exception: |
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49 | logger.error(traceback.format_exc()) |
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50 | response = ipp.ops.make_empty_response(request) |
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51 | response.operation_id = ipp.StatusCodes.INTERNAL_ERROR |
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52 | |
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53 | # Send the response across HTTP |
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54 | logger.debug("Sending response: %s" % repr(response)) |
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55 | try: |
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56 | binary = response.packed_value |
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57 | except: |
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58 | logger.fatal(traceback.format_exc()) |
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59 | sys.exit(1) |
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60 | |
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61 | self.send_response(200, "Gutenbach IPP Response") |
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62 | self.send_header("Content-Type", "application/ipp") |
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63 | self.send_header("Connection", "close") |
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64 | self.end_headers() |
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65 | self.wfile.write(binary) |
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