--- a/Helpviewer/Network/FtpReply.py Sun Sep 16 18:06:46 2012 +0200
+++ b/Helpviewer/Network/FtpReply.py Mon Sep 17 19:38:48 2012 +0200
@@ -10,14 +10,21 @@
import ftplib
import socket
import errno
+import mimetypes
-from PyQt4.QtCore import QByteArray, QIODevice, Qt, QUrl, QTimer, QBuffer, QDate, QTime, \
- QDateTime, QCoreApplication
-from PyQt4.QtGui import QPixmap
-from PyQt4.QtNetwork import QNetworkReply, QNetworkRequest, QUrlInfo
+from PyQt4.QtCore import QByteArray, QIODevice, Qt, QUrl, QTimer, QBuffer, \
+ QCoreApplication
+from PyQt4.QtGui import QPixmap, QDialog
+from PyQt4.QtNetwork import QNetworkReply, QNetworkRequest
from PyQt4.QtWebKit import QWebSettings
+import Helpviewer.HelpWindow
+
+from UI.AuthenticationDialog import AuthenticationDialog
+
+import Preferences
import UI.PixmapCache
+from Utilities.FtpUtilities import FtpDirLineParser, FtpDirLineParserError
ftpListPage_html = """\
<?xml version="1.0" encoding="UTF-8" ?>
@@ -130,6 +137,7 @@
self.__items = []
self.__content = QByteArray()
self.__units = ["Bytes", "KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"]
+ self.__dirLineParser = FtpDirLineParser()
if url.path() == "":
url.setPath("/")
@@ -179,19 +187,23 @@
"""
Private slot doing the sequence of FTP commands to get the requested result.
"""
+ retry = True
try:
- self.__ftp.connect(self.url().host(), timeout=10)
- self.__ftp.login(self.url().userName(), self.url().password())
- self.__ftp.retrlines("LIST " + self.url().path(), self.__dirCallback)
- if len(self.__items) == 1 and \
- self.__items[0].isFile():
- self.__setContent()
- self.__ftp.retrbinary("RETR " + self.url().path(), self.__retrCallback)
- self.__content.append(512 * b' ')
- self.readyRead.emit()
- else:
- self.__setListContent()
- self.__ftp.quit()
+ while retry:
+ self.__ftp.connect(self.url().host(), self.url().port(ftplib.FTP_PORT),
+ timeout=10)
+ ok, retry = self.__doFtpLogin(self.url().userName(), self.url().password())
+ if ok:
+ self.__ftp.retrlines("LIST " + self.url().path(), self.__dirCallback)
+ if len(self.__items) == 1 and \
+ self.__items[0].isFile():
+ self.__setContent()
+ self.__ftp.retrbinary("RETR " + self.url().path(), self.__retrCallback)
+ self.__content.append(512 * b' ')
+ self.readyRead.emit()
+ else:
+ self.__setListContent()
+ self.__ftp.quit()
except ftplib.all_errors as err:
if isinstance(err, socket.gaierror):
errCode = QNetworkReply.HostNotFoundError
@@ -203,56 +215,65 @@
self.error.emit(errCode)
self.finished.emit()
+ def __doFtpLogin(self, username, password):
+ """
+ Private method to do the FTP login with asking for a username and password,
+ if the login fails with an error 530.
+
+ @param username user name to use for the login (string)
+ @param password password to use for the login (string)
+ @return tuple of two flags indicating a successful login and
+ if the login should be retried (boolean, boolean)
+ """
+ try:
+ self.__ftp.login(username, password)
+ return True, False
+ except ftplib.error_perm as err:
+ code, msg = err.args[0].split(None, 1)
+ if code.strip() == "530":
+ # error 530 -> Login incorrect
+ urlRoot = "{0}://{1}"\
+ .format(self.url().scheme(), self.url().authority())
+ info = self.trUtf8("<b>Enter username and password for '{0}'</b>")\
+ .format(urlRoot)
+ dlg = AuthenticationDialog(info, self.url().userName(),
+ Preferences.getUser("SavePasswords"),
+ Preferences.getUser("SavePasswords"))
+ if Preferences.getUser("SavePasswords"):
+ username, password = \
+ Helpviewer.HelpWindow.HelpWindow.passwordManager().getLogin(
+ self.url(), "")
+ if username:
+ dlg.setData(username, password)
+ if dlg.exec_() == QDialog.Accepted:
+ username, password = dlg.getData()
+ if Preferences.getUser("SavePasswords"):
+ Helpviewer.HelpWindow.HelpWindow.passwordManager().setLogin(
+ self.url(), "", username, password)
+ url = self.url()
+ url.setUserName(username)
+ url.setPassword(password)
+ self.setUrl(url)
+ return False, True
+ else:
+ return False, False
+ else:
+ raise
+
def __dirCallback(self, line):
"""
Private slot handling the receipt of directory listings.
@param line the received line of the directory listing (string)
"""
- words = line.split(None, 8)
- if len(words) < 6:
- # skip short lines
- return
- filename = words[-1].lstrip()
- i = filename.find(" -> ")
- if i >= 0:
- filename = filename[:i]
- infostuff = words[-5:-1]
- mode = words[0].strip()
+ try:
+ urlInfo = self.__dirLineParser.parseLine(line)
+ except FtpDirLineParserError:
+ # silently ignore parser errors
+ urlInfo = None
- info = QUrlInfo()
- # 1. type of item
- if mode[0] == "d":
- info.setDir(True)
- info.setFile(False)
- elif mode[0] == "l":
- info.setSymLink(True)
- elif mode[0] == "-":
- info.setDir(False)
- info.setFile(True)
- # 2. name
- info.setName(filename.strip())
- # 3. size
- if mode[0] == "-":
- info.setSize(int(infostuff[0]))
- # 4. last modified
- if infostuff[1] in self.Monthnames2Int:
- month = self.Monthnames2Int[infostuff[1]]
- else:
- month = 1
- if ":" in infostuff[3]:
- # year is current year
- year = QDate.currentDate().year()
- timeStr = infostuff[3]
- else:
- year = int(infostuff[3])
- timeStr = "00:00"
- date = QDate(year, month, int(infostuff[2]))
- time = QTime.fromString(timeStr, "hh:mm")
- lastModified = QDateTime(date, time)
- info.setLastModified(lastModified)
-
- self.__items.append(info)
+ if urlInfo:
+ self.__items.append(urlInfo)
QCoreApplication.processEvents()
@@ -270,8 +291,11 @@
"""
Private method to finish the setup of the data.
"""
+ mtype, encoding = mimetypes.guess_type(self.url().toString())
self.open(QIODevice.ReadOnly | QIODevice.Unbuffered)
self.setHeader(QNetworkRequest.ContentLengthHeader, self.__items[0].size())
+ if mtype:
+ self.setHeader(QNetworkRequest.ContentTypeHeader, mtype)
self.setAttribute(QNetworkRequest.HttpStatusCodeAttribute, 200)
self.setAttribute(QNetworkRequest.HttpReasonPhraseAttribute, "Ok")
self.metaDataChanged.emit()
