Helpviewer/Network/QtHelpAccessHandler.py

Sun, 24 Jun 2012 18:08:36 +0200

author
Detlev Offenbach <detlev@die-offenbachs.de>
date
Sun, 24 Jun 2012 18:08:36 +0200
changeset 1917
c73052b6b65e
parent 1509
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child 2302
f29e9405c851
permissions
-rw-r--r--

Fixed an issue with failed logins for certain files by implementing a referer whitelist. All hosts in this list will get a referer header.

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1 # -*- coding: utf-8 -*-
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2
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c0b5e693b0eb Updated copyright for 2012.
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3 # Copyright (c) 2009 - 2012 Detlev Offenbach <detlev@die-offenbachs.de>
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4 #
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5
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6 """
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7 Module implementing a scheme access handler for QtHelp.
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8 """
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9
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10 import mimetypes
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11 import os
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12
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13 from PyQt4.QtCore import QByteArray
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14
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15 from .SchemeAccessHandler import SchemeAccessHandler
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16
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17 from .NetworkReply import NetworkReply
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18
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19 QtDocPath = "qthelp://com.trolltech."
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21 ExtensionMap = {
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22 ".bmp": "image/bmp",
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23 ".css": "text/css",
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24 ".gif": "image/gif",
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25 ".html": "text/html",
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26 ".htm": "text/html",
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27 ".ico": "image/x-icon",
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28 ".jpeg": "image/jpeg",
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29 ".jpg": "image/jpeg",
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30 ".js": "application/x-javascript",
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31 ".mng": "video/x-mng",
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32 ".pbm": "image/x-portable-bitmap",
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33 ".pgm": "image/x-portable-graymap",
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34 ".pdf": "application/pdf",
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35 ".png": "image/png",
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36 ".ppm": "image/x-portable-pixmap",
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37 ".rss": "application/rss+xml",
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38 ".svg": "image/svg+xml",
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39 ".svgz": "image/svg+xml",
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40 ".text": "text/plain",
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41 ".tif": "image/tiff",
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42 ".tiff": "image/tiff",
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43 ".txt": "text/plain",
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44 ".xbm": "image/x-xbitmap",
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45 ".xml": "text/xml",
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46 ".xpm": "image/x-xpm",
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47 ".xsl": "text/xsl",
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48 ".xhtml": "application/xhtml+xml",
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49 ".wml": "text/vnd.wap.wml",
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50 ".wmlc": "application/vnd.wap.wmlc",
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51 }
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52
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53
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54 class QtHelpAccessHandler(SchemeAccessHandler):
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55 """
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56 Class implementing a scheme access handler for QtHelp.
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57 """
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58 def __init__(self, engine, parent=None):
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59 """
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60 Constructor
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61
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62 @param engine reference to the help engine (QHelpEngine)
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63 @param parent reference to the parent object (QObject)
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64 """
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65 SchemeAccessHandler.__init__(self, parent)
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66
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67 self.__engine = engine
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68
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69 def __mimeFromUrl(self, url):
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70 """
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71 Private method to guess the mime type given an URL.
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73 @param url URL to guess the mime type from (QUrl)
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74 """
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75 path = url.path()
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76 ext = os.path.splitext(path)[1].lower()
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77 if ext in ExtensionMap:
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78 return ExtensionMap[ext]
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79 else:
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80 return "application/octet-stream"
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81
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82 def createRequest(self, op, request, outgoingData=None):
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83 """
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84 Protected method to create a request.
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85
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86 @param op the operation to be performed (QNetworkAccessManager.Operation)
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87 @param request reference to the request object (QNetworkRequest)
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88 @param outgoingData reference to an IODevice containing data to be sent
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89 (QIODevice)
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90 @return reference to the created reply object (QNetworkReply)
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91 """
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92 url = request.url()
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93 strUrl = url.toString()
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94
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95 # For some reason the url to load is already wrong (passed from webkit)
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96 # though the css file and the references inside should work that way. One
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97 # possible problem might be that the css is loaded at the same level as the
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98 # html, thus a path inside the css like (../images/foo.png) might cd out of
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99 # the virtual folder
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100 if not self.__engine.findFile(url).isValid():
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101 if strUrl.startswith(QtDocPath):
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102 newUrl = request.url()
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103 if not newUrl.path().startswith("/qdoc/"):
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104 newUrl.setPath("qdoc" + newUrl.path())
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105 url = newUrl
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106 strUrl = url.toString()
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107
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108 mimeType = mimetypes.guess_type(strUrl)[0]
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109 if mimeType is None:
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110 # do our own (limited) guessing
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111 mimeType = self.__mimeFromUrl(url)
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112
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113 if self.__engine.findFile(url).isValid():
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114 data = self.__engine.fileData(url)
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115 else:
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parents: 168
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116 data = QByteArray(self.trUtf8("""<title>Error 404...</title>"""
b06d4df23797 Fixed an issue in the web browser related to webkit and Qt help and fixed an issue introduced by the latest refactoring.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 168
diff changeset
117 """<div align="center"><br><br>"""
b06d4df23797 Fixed an issue in the web browser related to webkit and Qt help and fixed an issue introduced by the latest refactoring.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 168
diff changeset
118 """<h1>The page could not be found</h1><br>"""
b06d4df23797 Fixed an issue in the web browser related to webkit and Qt help and fixed an issue introduced by the latest refactoring.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 168
diff changeset
119 """<h3>'{0}'</h3></div>""").format(strUrl).encode("utf-8"))
b06d4df23797 Fixed an issue in the web browser related to webkit and Qt help and fixed an issue introduced by the latest refactoring.
Detlev Offenbach <detlev@die-offenbachs.de>
parents: 168
diff changeset
120 return NetworkReply(request, data, mimeType, self.parent())

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