diff -r 56e0107f2b01 -r 41505c92ac31 E5Network/E5NetworkProxyFactory.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/E5Network/E5NetworkProxyFactory.py Sat May 22 20:01:58 2010 +0200
@@ -0,0 +1,83 @@
+# -*- coding: utf-8 -*-
+
+# Copyright (c) 2010 Detlev Offenbach <detlev@die-offenbachs.de>
+#
+
+"""
+Module implementing a network proxy factory.
+"""
+
+import sys
+import os
+
+from PyQt4.QtCore import QUrl
+from PyQt4.QtGui import QMessageBox
+from PyQt4.QtNetwork import QNetworkProxyFactory, QNetworkProxy, QNetworkProxyQuery
+
+import Preferences
+
+class E5NetworkProxyFactory(QNetworkProxyFactory):
+ """
+ Class implementing a network proxy factory.
+ """
+ def __init__(self):
+ """
+ Constructor
+ """
+ QNetworkProxyFactory.__init__(self)
+
+ def queryProxy(self, query):
+ """
+ Public method to determine a proxy for a given query.
+
+ @param query reference to the query object (QNetworkProxyQuery)
+ @return list of proxies in order of preference (list of QNetworkProxy)
+ """
+ if query.queryType() == QNetworkProxyQuery.UrlRequest and \
+ query.protocolTag() in ["http", "https", "ftp"] and \
+ Preferences.getUI("UseProxy"):
+ if Preferences.getUI("UseSystemProxy"):
+ proxyList = QNetworkProxyFactory.systemProxyForQuery(query)
+ if sys.platform not in ["darwin", "nt"] and \
+ len(proxyList) == 1 and \
+ proxyList[0].type() == QNetworkProxy.NoProxy:
+ # try it the Python way
+ # scan the environment for variables named <scheme>_proxy
+ # scan over whole environment to make this case insensitive
+ for name, value in os.environ.items():
+ name = name.lower()
+ if value and name[-6:] == '_proxy' and \
+ name[:-6] == query.protocolTag().lower():
+ url = QUrl(value)
+ if url.scheme() in ["http", "https"]:
+ proxyType = QNetworkProxy.HttpProxy
+ else:
+ proxyType = QNetworkProxy.FtpCachingProxy
+ proxy = QNetworkProxy(proxyType, url.host(), url.port(),
+ url.userName(), url.password())
+ proxyList = [proxy]
+ break
+ return proxyList
+ else:
+ host = Preferences.getUI("ProxyHost")
+ if not host:
+ QMessageBox.critical(None,
+ self.trUtf8("Proxy Configuration Error"),
+ self.trUtf8("""Proxy usage was activated"""
+ """ but no proxy host configured."""))
+ return [QNetworkProxy(QNetworkProxy.DefaultProxy)]
+ else:
+ pProxyType = Preferences.getUI("ProxyType")
+ if pProxyType == 0:
+ proxyType = QNetworkProxy.HttpProxy
+ elif pProxyType == 1:
+ proxyType = QNetworkProxy.HttpCachingProxy
+ elif pProxyType == 2:
+ proxyType = QNetworkProxy.Socks5Proxy
+ proxy = QNetworkProxy(proxyType, host,
+ Preferences.getUI("ProxyPort"),
+ Preferences.getUI("ProxyUser"),
+ Preferences.getUI("ProxyPassword"))
+ return [proxy, QNetworkProxy(QNetworkProxy.DefaultProxy)]
+ else:
+ return [QNetworkProxy(QNetworkProxy.NoProxy)]
