diff options
Diffstat (limited to 'chromium/third_party/tlslite/tlslite/integration/ClientHelper.py')
| -rw-r--r-- | chromium/third_party/tlslite/tlslite/integration/ClientHelper.py | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/chromium/third_party/tlslite/tlslite/integration/ClientHelper.py b/chromium/third_party/tlslite/tlslite/integration/ClientHelper.py deleted file mode 100644 index 7918e4af43f..00000000000 --- a/chromium/third_party/tlslite/tlslite/integration/ClientHelper.py +++ /dev/null @@ -1,163 +0,0 @@ -""" -A helper class for using TLS Lite with stdlib clients -(httplib, xmlrpclib, imaplib, poplib). -""" - -from tlslite.Checker import Checker - -class ClientHelper: - """This is a helper class used to integrate TLS Lite with various - TLS clients (e.g. poplib, smtplib, httplib, etc.)""" - - def __init__(self, - username=None, password=None, sharedKey=None, - certChain=None, privateKey=None, - cryptoID=None, protocol=None, - x509Fingerprint=None, - x509TrustList=None, x509CommonName=None, - settings = None): - """ - For client authentication, use one of these argument - combinations: - - username, password (SRP) - - username, sharedKey (shared-key) - - certChain, privateKey (certificate) - - For server authentication, you can either rely on the - implicit mutual authentication performed by SRP or - shared-keys, or you can do certificate-based server - authentication with one of these argument combinations: - - cryptoID[, protocol] (requires cryptoIDlib) - - x509Fingerprint - - x509TrustList[, x509CommonName] (requires cryptlib_py) - - Certificate-based server authentication is compatible with - SRP or certificate-based client authentication. It is - not compatible with shared-keys. - - The constructor does not perform the TLS handshake itself, but - simply stores these arguments for later. The handshake is - performed only when this class needs to connect with the - server. Then you should be prepared to handle TLS-specific - exceptions. See the client handshake functions in - L{tlslite.TLSConnection.TLSConnection} for details on which - exceptions might be raised. - - @type username: str - @param username: SRP or shared-key username. Requires the - 'password' or 'sharedKey' argument. - - @type password: str - @param password: SRP password for mutual authentication. - Requires the 'username' argument. - - @type sharedKey: str - @param sharedKey: Shared key for mutual authentication. - Requires the 'username' argument. - - @type certChain: L{tlslite.X509CertChain.X509CertChain} or - L{cryptoIDlib.CertChain.CertChain} - @param certChain: Certificate chain for client authentication. - Requires the 'privateKey' argument. Excludes the SRP or - shared-key related arguments. - - @type privateKey: L{tlslite.utils.RSAKey.RSAKey} - @param privateKey: Private key for client authentication. - Requires the 'certChain' argument. Excludes the SRP or - shared-key related arguments. - - @type cryptoID: str - @param cryptoID: cryptoID for server authentication. Mutually - exclusive with the 'x509...' arguments. - - @type protocol: str - @param protocol: cryptoID protocol URI for server - authentication. Requires the 'cryptoID' argument. - - @type x509Fingerprint: str - @param x509Fingerprint: Hex-encoded X.509 fingerprint for - server authentication. Mutually exclusive with the 'cryptoID' - and 'x509TrustList' arguments. - - @type x509TrustList: list of L{tlslite.X509.X509} - @param x509TrustList: A list of trusted root certificates. The - other party must present a certificate chain which extends to - one of these root certificates. The cryptlib_py module must be - installed to use this parameter. Mutually exclusive with the - 'cryptoID' and 'x509Fingerprint' arguments. - - @type x509CommonName: str - @param x509CommonName: The end-entity certificate's 'CN' field - must match this value. For a web server, this is typically a - server name such as 'www.amazon.com'. Mutually exclusive with - the 'cryptoID' and 'x509Fingerprint' arguments. Requires the - 'x509TrustList' argument. - - @type settings: L{tlslite.HandshakeSettings.HandshakeSettings} - @param settings: Various settings which can be used to control - the ciphersuites, certificate types, and SSL/TLS versions - offered by the client. - """ - - self.username = None - self.password = None - self.sharedKey = None - self.certChain = None - self.privateKey = None - self.checker = None - - #SRP Authentication - if username and password and not \ - (sharedKey or certChain or privateKey): - self.username = username - self.password = password - - #Shared Key Authentication - elif username and sharedKey and not \ - (password or certChain or privateKey): - self.username = username - self.sharedKey = sharedKey - - #Certificate Chain Authentication - elif certChain and privateKey and not \ - (username or password or sharedKey): - self.certChain = certChain - self.privateKey = privateKey - - #No Authentication - elif not password and not username and not \ - sharedKey and not certChain and not privateKey: - pass - - else: - raise ValueError("Bad parameters") - - #Authenticate the server based on its cryptoID or fingerprint - if sharedKey and (cryptoID or protocol or x509Fingerprint): - raise ValueError("Can't use shared keys with other forms of"\ - "authentication") - - self.checker = Checker(cryptoID, protocol, x509Fingerprint, - x509TrustList, x509CommonName) - self.settings = settings - - self.tlsSession = None - - def _handshake(self, tlsConnection): - if self.username and self.password: - tlsConnection.handshakeClientSRP(username=self.username, - password=self.password, - checker=self.checker, - settings=self.settings, - session=self.tlsSession) - elif self.username and self.sharedKey: - tlsConnection.handshakeClientSharedKey(username=self.username, - sharedKey=self.sharedKey, - settings=self.settings) - else: - tlsConnection.handshakeClientCert(certChain=self.certChain, - privateKey=self.privateKey, - checker=self.checker, - settings=self.settings, - session=self.tlsSession) - self.tlsSession = tlsConnection.session
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