Python Credential.get_gid_caller方法代码示例

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import get_gid_caller [as 别名]
    def call(self, cred, record_dict, origin_hrn=None):
        user_cred = Credential(string=cred)

        #log the call
        if not origin_hrn:
            origin_hrn = user_cred.get_gid_caller().get_hrn()    
        self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, None, self.name))

        # validate the cred
        self.api.auth.check(cred, "register")

        # make sure this is a peer record
        if 'peer_authority' not in record_dict or \
           not record_dict['peer_authority']: 
            raise SfaInvalidArgument, "peer_authority must be specified" 

        record = SfaRecord(dict = record_dict)
        type, hrn, peer_authority = record['type'], record['hrn'], record['peer_authority']
        record['authority'] = get_authority(record['hrn'])
        # verify permissions
        self.api.auth.verify_cred_is_me(cred)

        # check if record already exists
        table = SfaTable()
        existing_records = table.find({'type': type, 'hrn': hrn, 'peer_authority': peer_authority})
        if existing_records:
            for existing_record in existing_records:
                if existing_record['pointer'] != record['pointer']:
                    record['record_id'] = existing_record['record_id']
                    table.update(record)
        else:
            record_id = table.insert(record)
 
        return 1

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import get_gid_caller [as 别名]
    def verify_cred_is_me(self, credential):
        is_me = False 
        cred = Credential(string=credential)
        caller_gid = cred.get_gid_caller()
        caller_hrn = caller_gid.get_hrn()
        if caller_hrn != self.config.SFA_INTERFACE_HRN:
            raise SfaPermissionDenied(self.config.SFA_INTEFACE_HRN)

        return   

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import get_gid_caller [as 别名]
 def filter_creds_by_caller(self, creds, caller_hrn_list):
     """
     Returns a list of creds who's gid caller matches the 
     specified caller hrn
     """
     if not isinstance(creds, list):
         creds = [creds]
     creds = []
     if not isinstance(caller_hrn_list, list):
         caller_hrn_list = [caller_hrn_list]
     for cred in creds:
         try:
             tmp_cred = Credential(string=cred)
             if tmp_cred.get_gid_caller().get_hrn() in [caller_hrn_list]:
                 creds.append(cred)
         except: pass
     return creds

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import get_gid_caller [as 别名]
 def server_proxy(self, interface, cred, timeout=30):
     """
     Returns a connection to the specified interface. Use the specified
     credential to determine the caller and look for the caller's key/cert 
     in the registry hierarchy cache. 
     """       
     from sfa.trust.hierarchy import Hierarchy
     if not isinstance(cred, Credential):
         cred_obj = Credential(string=cred)
     else:
         cred_obj = cred
     caller_gid = cred_obj.get_gid_caller()
     hierarchy = Hierarchy()
     auth_info = hierarchy.get_auth_info(caller_gid.get_hrn())
     key_file = auth_info.get_privkey_filename()
     cert_file = auth_info.get_gid_filename()
     server = interface.server_proxy(key_file, cert_file, timeout)
     return server

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import get_gid_caller [as 别名]
    def call(self, cred, record, origin_hrn=None):
        user_cred = Credential(string=cred)

        #log the call
        if not origin_hrn:
            origin_hrn = user_cred.get_gid_caller().get_hrn()
        self.api.logger.info("interface: %s\tcaller-hrn: %s\ttarget-hrn: %s\tmethod-name: %s"%(self.api.interface, origin_hrn, record['hrn'], self.name))

        self.api.auth.check(cred, "remove")

        # Only allow the local interface or record owner to delete peer_records 
        try: self.api.auth.verify_object_permission(record['hrn'])
        except: self.api.auth.verify_cred_is_me(cred)
        
        table = SfaTable()
        hrn, type = record['hrn'], record['type']
        records = table.find({'hrn': hrn, 'type': type })
        for record in records:
            if record['peer_authority']:
                self.remove_plc_record(record)
                table.remove(record)
            
        return 1

# 需要导入模块: from sfa.trust.credential import Credential [as 别名]
# 或者: from sfa.trust.credential.Credential import get_gid_caller [as 别名]
class Auth:
    """
    Credential based authentication
    """

    def __init__(self, peer_cert = None, config = None ):
        self.peer_cert = peer_cert
        self.hierarchy = Hierarchy()
        if not config:
            self.config = Config()
        self.load_trusted_certs()

    def load_trusted_certs(self):
        self.trusted_cert_list = TrustedRoots(self.config.get_trustedroots_dir()).get_list()
        self.trusted_cert_file_list = TrustedRoots(self.config.get_trustedroots_dir()).get_file_list()

        
        
    def checkCredentials(self, creds, operation, hrn = None):
        valid = []
        if not isinstance(creds, list):
            creds = [creds]
        logger.debug("Auth.checkCredentials with %d creds"%len(creds))
        for cred in creds:
            try:
                self.check(cred, operation, hrn)
                valid.append(cred)
            except:
                cred_obj=Credential(string=cred)
                logger.debug("failed to validate credential - dump=%s"%cred_obj.dump_string(dump_parents=True))
                error = sys.exc_info()[:2]
                continue
            
        if not len(valid):
            raise InsufficientRights('Access denied: %s -- %s' % (error[0],error[1]))
        
        return valid
        
        
    def check(self, cred, operation, hrn = None):
        """
        Check the credential against the peer cert (callerGID included 
        in the credential matches the caller that is connected to the 
        HTTPS connection, check if the credential was signed by a 
        trusted cert and check if the credential is allowed to perform 
        the specified operation.    
        """
        self.client_cred = Credential(string = cred)
        self.client_gid = self.client_cred.get_gid_caller()
        self.object_gid = self.client_cred.get_gid_object()
        
        # make sure the client_gid is not blank
        if not self.client_gid:
            raise MissingCallerGID(self.client_cred.get_subject())
       
        # validate the client cert if it exists
        if self.peer_cert:
            self.verifyPeerCert(self.peer_cert, self.client_gid)                   

        # make sure the client is allowed to perform the operation
        if operation:
            if not self.client_cred.can_perform(operation):
                raise InsufficientRights(operation)

        if self.trusted_cert_list:
            self.client_cred.verify(self.trusted_cert_file_list, self.config.SFA_CREDENTIAL_SCHEMA)
        else:
           raise MissingTrustedRoots(self.config.get_trustedroots_dir())
       
        # Make sure the credential's target matches the specified hrn. 
        # This check does not apply to trusted peers 
        trusted_peers = [gid.get_hrn() for gid in self.trusted_cert_list]
        if hrn and self.client_gid.get_hrn() not in trusted_peers:
            target_hrn = self.object_gid.get_hrn()
            if not hrn == target_hrn:
                raise PermissionError("Target hrn: %s doesn't match specified hrn: %s " % \
                                       (target_hrn, hrn) )       
        return True

    def check_ticket(self, ticket):
        """
        Check if the tickt was signed by a trusted cert
        """
        if self.trusted_cert_list:
            client_ticket = SfaTicket(string=ticket)
            client_ticket.verify_chain(self.trusted_cert_list)
        else:
           raise MissingTrustedRoots(self.config.get_trustedroots_dir())

        return True 

    def verifyPeerCert(self, cert, gid):
        # make sure the client_gid matches client's certificate
        if not cert.is_pubkey(gid.get_pubkey()):
            raise ConnectionKeyGIDMismatch(gid.get_subject()+":"+cert.get_subject())            

    def verifyGidRequestHash(self, gid, hash, arglist):
        key = gid.get_pubkey()
        if not key.verify_string(str(arglist), hash):
            raise BadRequestHash(hash)
#.........这里部分代码省略.........