Mercurial Repositories > eric / file comparison
comparison: eric7/WebBrowser/Passwords/PasswordReader.py
eric7/WebBrowser/Passwords/PasswordReader.py
- branch
- eric7
- changeset 8312
- 800c432b34c8
- parent 8228
- 772103b14c18
- child 8318
- 962bce857696
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| 8311:4e8b98454baa | 8312:800c432b34c8 |
|---|---|
| 1 # -*- coding: utf-8 -*- | |
| 2 | |
| 3 # Copyright (c) 2012 - 2021 Detlev Offenbach <detlev@die-offenbachs.de> | |
| 4 # | |
| 5 | |
| 6 """ | |
| 7 Module implementing a class to read login data files. | |
| 8 """ | |
| 9 | |
| 10 from PyQt5.QtCore import ( | |
| 11 QXmlStreamReader, QIODevice, QFile, QCoreApplication, QUrl | |
| 12 ) | |
| 13 | |
| 14 | |
| 15 class PasswordReader(QXmlStreamReader): | |
| 16 """ | |
| 17 Class implementing a reader object for login data files. | |
| 18 """ | |
| 19 def __init__(self): | |
| 20 """ | |
| 21 Constructor | |
| 22 """ | |
| 23 super().__init__() | |
| 24 | |
| 25 def read(self, fileNameOrDevice): | |
| 26 """ | |
| 27 Public method to read a login data file. | |
| 28 | |
| 29 @param fileNameOrDevice name of the file to read (string) | |
| 30 or reference to the device to read (QIODevice) | |
| 31 @return tuple containing the logins, forms and never URLs | |
| 32 """ | |
| 33 self.__logins = {} | |
| 34 self.__loginForms = {} | |
| 35 self.__never = [] | |
| 36 | |
| 37 if isinstance(fileNameOrDevice, QIODevice): | |
| 38 self.setDevice(fileNameOrDevice) | |
| 39 else: | |
| 40 f = QFile(fileNameOrDevice) | |
| 41 if not f.exists(): | |
| 42 return self.__logins, self.__loginForms, self.__never | |
| 43 f.open(QFile.ReadOnly) | |
| 44 self.setDevice(f) | |
| 45 | |
| 46 while not self.atEnd(): | |
| 47 self.readNext() | |
| 48 if self.isStartElement(): | |
| 49 version = self.attributes().value("version") | |
| 50 if ( | |
| 51 self.name() == "Password" and | |
| 52 (not version or version == "2.0") | |
| 53 ): | |
| 54 self.__readPasswords() | |
| 55 else: | |
| 56 self.raiseError(QCoreApplication.translate( | |
| 57 "PasswordReader", | |
| 58 "The file is not a Passwords version 2.0 file.")) | |
| 59 | |
| 60 return self.__logins, self.__loginForms, self.__never | |
| 61 | |
| 62 def __readPasswords(self): | |
| 63 """ | |
| 64 Private method to read and parse the login data file. | |
| 65 """ | |
| 66 if not self.isStartElement() and self.name() != "Password": | |
| 67 return | |
| 68 | |
| 69 while not self.atEnd(): | |
| 70 self.readNext() | |
| 71 if self.isEndElement(): | |
| 72 break | |
| 73 | |
| 74 if self.isStartElement(): | |
| 75 if self.name() == "Logins": | |
| 76 self.__readLogins() | |
| 77 elif self.name() == "Forms": | |
| 78 self.__readForms() | |
| 79 elif self.name() == "Nevers": | |
| 80 self.__readNevers() | |
| 81 else: | |
| 82 self.__skipUnknownElement() | |
| 83 | |
| 84 def __readLogins(self): | |
| 85 """ | |
| 86 Private method to read the login information. | |
| 87 """ | |
| 88 if not self.isStartElement() and self.name() != "Logins": | |
| 89 return | |
| 90 | |
| 91 while not self.atEnd(): | |
| 92 self.readNext() | |
| 93 if self.isEndElement(): | |
| 94 if self.name() == "Login": | |
| 95 continue | |
| 96 else: | |
| 97 break | |
| 98 | |
| 99 if self.isStartElement(): | |
| 100 if self.name() == "Login": | |
| 101 attributes = self.attributes() | |
| 102 key = attributes.value("key") | |
| 103 user = attributes.value("user") | |
| 104 password = attributes.value("password") | |
| 105 self.__logins[key] = (user, password) | |
| 106 else: | |
| 107 self.__skipUnknownElement() | |
| 108 | |
| 109 def __readForms(self): | |
| 110 """ | |
| 111 Private method to read the forms information. | |
| 112 """ | |
| 113 if not self.isStartElement() and self.name() != "Forms": | |
| 114 return | |
| 115 | |
| 116 while not self.atEnd(): | |
| 117 self.readNext() | |
| 118 if self.isStartElement(): | |
| 119 if self.name() == "Form": | |
| 120 from .LoginForm import LoginForm | |
| 121 attributes = self.attributes() | |
| 122 key = attributes.value("key") | |
| 123 form = LoginForm() | |
| 124 form.url = QUrl(attributes.value("url")) | |
| 125 form.name = attributes.value("name") | |
| 126 | |
| 127 elif self.name() == "PostData": | |
| 128 form.postData = self.readElementText() | |
| 129 else: | |
| 130 self.__skipUnknownElement() | |
| 131 | |
| 132 if self.isEndElement(): | |
| 133 if self.name() == "Form": | |
| 134 self.__loginForms[key] = form | |
| 135 continue | |
| 136 elif self.name() in ["PostData", "Elements", "Element"]: | |
| 137 continue | |
| 138 else: | |
| 139 break | |
| 140 | |
| 141 def __readNevers(self): | |
| 142 """ | |
| 143 Private method to read the never URLs. | |
| 144 """ | |
| 145 if not self.isStartElement() and self.name() != "Nevers": | |
| 146 return | |
| 147 | |
| 148 while not self.atEnd(): | |
| 149 self.readNext() | |
| 150 if self.isEndElement(): | |
| 151 if self.name() == "Never": | |
| 152 continue | |
| 153 else: | |
| 154 break | |
| 155 | |
| 156 if self.isStartElement(): | |
| 157 if self.name() == "Never": | |
| 158 self.__never.append(self.attributes().value("url")) | |
| 159 else: | |
| 160 self.__skipUnknownElement() | |
| 161 | |
| 162 def __skipUnknownElement(self): | |
| 163 """ | |
| 164 Private method to skip over all unknown elements. | |
| 165 """ | |
| 166 if not self.isStartElement(): | |
| 167 return | |
| 168 | |
| 169 while not self.atEnd(): | |
| 170 self.readNext() | |
| 171 if self.isEndElement(): | |
| 172 break | |
| 173 | |
| 174 if self.isStartElement(): | |
| 175 self.__skipUnknownElement() |
