Mercurial Repositories > eric / file comparison
comparison: WebBrowser/Passwords/PasswordReader.py
WebBrowser/Passwords/PasswordReader.py
- branch
- QtWebEngine
- changeset 4743
- f9e2e536d130
- parent 4631
- 5c1a96925da4
- child 4744
- ad3f6c1caf8d
equal
deleted
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| 4742:f9d1090f6ab9 | 4743:f9e2e536d130 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 - 2016 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a class to read login data files. | |
| 8 """ | |
| 9 | |
| 10 from __future__ import unicode_literals | |
| 11 | |
| 12 from PyQt5.QtCore import QXmlStreamReader, QIODevice, QFile, \ | |
| 13 QCoreApplication, QUrl | |
| 14 | |
| 15 | |
| 16 class PasswordReader(QXmlStreamReader): | |
| 17 """ | |
| 18 Class implementing a reader object for login data files. | |
| 19 """ | |
| 20 def __init__(self): | |
| 21 """ | |
| 22 Constructor | |
| 23 """ | |
| 24 super(PasswordReader, self).__init__() | |
| 25 | |
| 26 def read(self, fileNameOrDevice): | |
| 27 """ | |
| 28 Public method to read a login data file. | |
| 29 | |
| 30 @param fileNameOrDevice name of the file to read (string) | |
| 31 or reference to the device to read (QIODevice) | |
| 32 @return tuple containing the logins, forms and never URLs | |
| 33 """ | |
| 34 self.__logins = {} | |
| 35 self.__loginForms = {} | |
| 36 self.__never = [] | |
| 37 | |
| 38 if isinstance(fileNameOrDevice, QIODevice): | |
| 39 self.setDevice(fileNameOrDevice) | |
| 40 else: | |
| 41 f = QFile(fileNameOrDevice) | |
| 42 if not f.exists(): | |
| 43 return self.__logins, self.__loginForms, self.__never | |
| 44 f.open(QFile.ReadOnly) | |
| 45 self.setDevice(f) | |
| 46 | |
| 47 while not self.atEnd(): | |
| 48 self.readNext() | |
| 49 if self.isStartElement(): | |
| 50 version = self.attributes().value("version") | |
| 51 if self.name() == "Password" and \ | |
| 52 (not version or version == "1.0"): | |
| 53 self.__readPasswords() | |
| 54 else: | |
| 55 self.raiseError(QCoreApplication.translate( | |
| 56 "PasswordReader", | |
| 57 "The file is not a Passwords version 1.0 file.")) | |
| 58 | |
| 59 return self.__logins, self.__loginForms, self.__never | |
| 60 | |
| 61 def __readPasswords(self): | |
| 62 """ | |
| 63 Private method to read and parse the login data file. | |
| 64 """ | |
| 65 if not self.isStartElement() and self.name() != "Password": | |
| 66 return | |
| 67 | |
| 68 while not self.atEnd(): | |
| 69 self.readNext() | |
| 70 if self.isEndElement(): | |
| 71 break | |
| 72 | |
| 73 if self.isStartElement(): | |
| 74 if self.name() == "Logins": | |
| 75 self.__readLogins() | |
| 76 elif self.name() == "Forms": | |
| 77 self.__readForms() | |
| 78 elif self.name() == "Nevers": | |
| 79 self.__readNevers() | |
| 80 else: | |
| 81 self.__skipUnknownElement() | |
| 82 | |
| 83 def __readLogins(self): | |
| 84 """ | |
| 85 Private method to read the login information. | |
| 86 """ | |
| 87 if not self.isStartElement() and self.name() != "Logins": | |
| 88 return | |
| 89 | |
| 90 while not self.atEnd(): | |
| 91 self.readNext() | |
| 92 if self.isEndElement(): | |
| 93 if self.name() == "Login": | |
| 94 continue | |
| 95 else: | |
| 96 break | |
| 97 | |
| 98 if self.isStartElement(): | |
| 99 if self.name() == "Login": | |
| 100 attributes = self.attributes() | |
| 101 key = attributes.value("key") | |
| 102 user = attributes.value("user") | |
| 103 password = attributes.value("password") | |
| 104 self.__logins[key] = (user, password) | |
| 105 else: | |
| 106 self.__skipUnknownElement() | |
| 107 | |
| 108 def __readForms(self): | |
| 109 """ | |
| 110 Private method to read the forms information. | |
| 111 """ | |
| 112 if not self.isStartElement() and self.name() != "Forms": | |
| 113 return | |
| 114 | |
| 115 while not self.atEnd(): | |
| 116 self.readNext() | |
| 117 if self.isStartElement(): | |
| 118 if self.name() == "Form": | |
| 119 from .LoginForm import LoginForm | |
| 120 attributes = self.attributes() | |
| 121 key = attributes.value("key") | |
| 122 form = LoginForm() | |
| 123 form.url = QUrl(attributes.value("url")) | |
| 124 form.name = attributes.value("name") | |
| 125 form.hasAPassword = attributes.value("password") == "yes" | |
| 126 elif self.name() == "Elements": | |
| 127 continue | |
| 128 elif self.name() == "Element": | |
| 129 attributes = self.attributes() | |
| 130 name = attributes.value("name") | |
| 131 value = attributes.value("value") | |
| 132 form.elements.append((name, value)) | |
| 133 else: | |
| 134 self.__skipUnknownElement() | |
| 135 | |
| 136 if self.isEndElement(): | |
| 137 if self.name() == "Form": | |
| 138 self.__loginForms[key] = form | |
| 139 continue | |
| 140 elif self.name() in ["Elements", "Element"]: | |
| 141 continue | |
| 142 else: | |
| 143 break | |
| 144 | |
| 145 def __readNevers(self): | |
| 146 """ | |
| 147 Private method to read the never URLs. | |
| 148 """ | |
| 149 if not self.isStartElement() and self.name() != "Nevers": | |
| 150 return | |
| 151 | |
| 152 while not self.atEnd(): | |
| 153 self.readNext() | |
| 154 if self.isEndElement(): | |
| 155 if self.name() == "Never": | |
| 156 continue | |
| 157 else: | |
| 158 break | |
| 159 | |
| 160 if self.isStartElement(): | |
| 161 if self.name() == "Never": | |
| 162 self.__never.append(self.attributes().value("url")) | |
| 163 else: | |
| 164 self.__skipUnknownElement() | |
| 165 | |
| 166 def __skipUnknownElement(self): | |
| 167 """ | |
| 168 Private method to skip over all unknown elements. | |
| 169 """ | |
| 170 if not self.isStartElement(): | |
| 171 return | |
| 172 | |
| 173 while not self.atEnd(): | |
| 174 self.readNext() | |
| 175 if self.isEndElement(): | |
| 176 break | |
| 177 | |
| 178 if self.isStartElement(): | |
| 179 self.__skipUnknownElement() |
