Move HTTP auth module to netlib.

1 files changed, 0 insertions, 122 deletions

diff --git a/libmproxy/authentication.py b/libmproxy/authentication.py
deleted file mode 100644
index 500ead6b..00000000
--- a/libmproxy/authentication.py
+++ /dev/null
@@ -1,122 +0,0 @@
-import binascii
-import contrib.md5crypt as md5crypt
-
-class NullProxyAuth():
-    """
-        No proxy auth at all (returns empty challange headers)
-    """
-    def __init__(self, password_manager):
-        self.password_manager = password_manager
-        self.username = ""
-
-    def clean(self, headers):
-        """
-            Clean up authentication headers, so they're not passed upstream.
-        """
-        pass
-
-    def authenticate(self, headers):
-        """
-            Tests that the user is allowed to use the proxy
-        """
-        return True
-
-    def auth_challenge_headers(self):
-        """
-            Returns a dictionary containing the headers require to challenge the user
-        """
-        return {}
-
-
-class BasicProxyAuth(NullProxyAuth):
-    CHALLENGE_HEADER = 'Proxy-Authenticate'
-    AUTH_HEADER = 'Proxy-Authorization'
-    def __init__(self, password_manager, realm):
-        NullProxyAuth.__init__(self, password_manager)
-        self.realm = realm
-
-    def clean(self, headers):
-        del headers[self.AUTH_HEADER]
-
-    def authenticate(self, headers):
-        auth_value = headers.get(self.AUTH_HEADER, [])
-        if not auth_value:
-            return False
-        try:
-            scheme, username, password = self.parse_auth_value(auth_value[0])
-        except ValueError:
-            return False
-        if scheme.lower()!='basic':
-            return False
-        if not self.password_manager.test(username, password):
-            return False
-        self.username = username
-        return True
-
-    def auth_challenge_headers(self):
-        return {self.CHALLENGE_HEADER:'Basic realm="%s"'%self.realm}
-
-    def unparse_auth_value(self, scheme, username, password):
-        v = binascii.b2a_base64(username + ":" + password)
-        return scheme + " " + v
-
-    def parse_auth_value(self, auth_value):
-        words = auth_value.split()
-        if len(words) != 2:
-            raise ValueError("Invalid basic auth credential.")
-        scheme = words[0]
-        try:
-            user = binascii.a2b_base64(words[1])
-        except binascii.Error:
-            raise ValueError("Invalid basic auth credential: user:password pair not valid base64: %s"%words[1])
-        parts = user.split(':')
-        if len(parts) != 2:
-            raise ValueError("Invalid basic auth credential: decoded user:password pair not valid: %s"%user)
-        return scheme, parts[0], parts[1]
-
-
-class PasswordManager():
-    def __init__(self):
-        pass
-
-    def test(self, username, password_token):
-        return False
-
-
-class PermissivePasswordManager(PasswordManager):
-    def __init__(self):
-        PasswordManager.__init__(self)
-
-    def test(self, username, password_token):
-        if username:
-            return True
-        return False
-
-
-class HtpasswdPasswordManager(PasswordManager):
-    """
-        Read usernames and passwords from a file created by Apache htpasswd
-    """
-    def __init__(self, filehandle):
-        PasswordManager.__init__(self)
-        entries = (line.strip().split(':') for line in filehandle)
-        valid_entries = (entry for entry in entries if len(entry)==2)
-        self.usernames = {username:token for username,token in valid_entries}
-
-    def test(self, username, password_token):
-        if username not in self.usernames:
-            return False
-        full_token = self.usernames[username]
-        dummy, magic, salt, hashed_password = full_token.split('$')
-        expected = md5crypt.md5crypt(password_token, salt, '$'+magic+'$')
-        return expected==full_token
-
-
-class SingleUserPasswordManager(PasswordManager):
-    def __init__(self, username, password):
-        PasswordManager.__init__(self)
-        self.username = username
-        self.password = password
-
-    def test(self, username, password_token):
-        return self.username==username and self.password==password_token