Merge pull request #19 from cryptlex/borrowing-develop

Borrowing develop

cryptlex/lexfloatclient/__init__.py

@@ -1 +1 @@
-from cryptlex.lexfloatclient.lexfloatclient import LexFloatClient, LexFloatStatusCodes, LexFloatClientException
+from cryptlex.lexfloatclient.lexfloatclient import LexFloatClient, LexFloatStatusCodes, LexFloatClientException, PermissionFlags

cryptlex/lexfloatclient/lexfloatclient.py

@@ -1,10 +1,14 @@
 import ctypes
+import json
 from cryptlex.lexfloatclient import lexfloatclient_native as LexFloatClientNative
 from cryptlex.lexfloatclient.lexfloatstatus_codes import LexFloatStatusCodes
 from cryptlex.lexfloatclient.lexfloatclient_exception import LexFloatClientException
 
 callback_list = []
 
+class PermissionFlags:
+        LF_USER = 10
+        LF_ALL_USERS = 11
 
 class HostLicenseMeterAttribute(object):
     def __init__(self, name, allowed_uses, total_uses, gross_uses):
@@ -19,6 +23,11 @@ def __init__(self, name, enabled, data):
         self.enabled = enabled
         self.data = data
 
+class HostConfig(object):
+    def __init__(self, max_offline_lease_duration):
+        self.max_offline_lease_duration = max_offline_lease_duration
+
+
 class LexFloatClient:
     @staticmethod
     def SetHostProductId(product_id):
@@ -100,6 +109,30 @@ def SetFloatingClientMetadata(key, value):
             cstring_key, cstring_value)
         if LexFloatStatusCodes.LF_OK != status:
             raise LexFloatClientException(status)
+
+    @staticmethod
+    def SetPermissionFlag(flag):
+        """Sets the permission flag.
+         
+         This function must be called on every start of your program after SetHostProductId()
+         function in case the application allows borrowing of licenses or system wide activation.
+
+        Args:
+                flags : depending on your application's requirements, choose one of 
+                the following values: LF_USER, LF_ALL_USERS.
+                
+                LF_USER: This flag indicates that the application does not require
+                admin or root permissions to run.
+                
+                LF_ALL_USERS: This flag is specifically designed for Windows and should be used 
+                for system-wide activations.
+        
+        Raises:
+                LexFloatClientException
+        """
+        status = LexFloatClientNative.SetPermissionFlag(flag)
+        if LexFloatStatusCodes.LF_OK != status:
+            raise LexFloatClientException(status)
 
     @staticmethod
     def GetFloatingClientLibraryVersion():
@@ -117,7 +150,30 @@ def GetFloatingClientLibraryVersion():
         status = LexFloatClientNative.GetFloatingClientLibraryVersion(buffer,buffer_size)
         if status != LexFloatStatusCodes.LF_OK:
             raise LexFloatClientException(status)
-        return LexFloatClientNative.byte_to_string(buffer.value)   
+        return LexFloatClientNative.byte_to_string(buffer.value)  
+
+    @staticmethod
+    def GetHostConfig():
+        """This function sends a network request to LexFloatServer to get the configuration details.
+
+        Raises:
+                LexFloatClientException
+        
+        Returns:
+                HostConfig: host configuration.
+        """
+        buffer_size = 1024      
+        buffer = LexFloatClientNative.get_ctype_string_buffer(buffer_size)
+        status = LexFloatClientNative.GetHostConfig(buffer, buffer_size)
+        if status == LexFloatStatusCodes.LF_OK:
+            host_config_json = LexFloatClientNative.byte_to_string(buffer.value)
+            if not host_config_json.strip():
+                return None
+            else:
+                host_config = json.loads(host_config_json)
+                return HostConfig(host_config["maxOfflineLeaseDuration"])
+        else:
+            raise LexFloatClientException(status)
 
     @staticmethod
     def GetHostProductVersionName():
@@ -244,6 +300,24 @@ def GetHostLicenseExpiryDate():
             return expiry_date.value
         else:
             raise LexFloatClientException(status)
+
+    @staticmethod
+    def GetFloatingClientLeaseExpiryDate():
+        """Gets the lease expiry date timestamp of the floating client.
+
+        Raises:
+                LexFloatClientException
+
+        Returns:
+                int: the timestamp
+        """
+        leaseExpiryDate = ctypes.c_uint()
+        status = LexFloatClientNative.GetFloatingClientLeaseExpiryDate(
+            ctypes.byref(leaseExpiryDate))
+        if status == LexFloatStatusCodes.LF_OK:
+            return leaseExpiryDate.value
+        else:
+            raise LexFloatClientException(status)
 
     @staticmethod
     def GetFloatingClientMeterAttributeUses(name):
@@ -266,6 +340,45 @@ def GetFloatingClientMeterAttributeUses(name):
             return uses.value
         else:
             raise LexFloatClientException(status)
+
+    @staticmethod
+    def GetFloatingLicenseMode():
+        """Gets the mode of the floating license (online or offline).
+
+        Raises:
+                LexActivatorException
+
+        Returns:
+                ActivationMode: mode of floating license.
+        """
+        buffer_size = 256
+        buffer = LexFloatClientNative.get_ctype_string_buffer(buffer_size)
+        status = LexFloatClientNative.GetFloatingLicenseMode(buffer,buffer_size)
+        if status != LexFloatStatusCodes.LF_OK:
+            raise LexFloatClientException(status)
+        return LexFloatClientNative.byte_to_string(buffer.value)   
+
+    @staticmethod
+    def GetFloatingClientMetadata(key):
+        """Gets the value of the floating client metadata.
+
+        Args:
+                key (str): metadata key to retrieve the value
+
+        Raises:
+                LexFloatClientException
+
+        Returns:
+                str: value of the floating client metadata
+        """
+        cstring_key = LexFloatClientNative.get_ctype_string(key)
+        buffer_size = 4096
+        buffer = LexFloatClientNative.get_ctype_string_buffer(buffer_size)
+        status = LexFloatClientNative.GetFloatingClientMetadata(
+            cstring_key, buffer, buffer_size)
+        if status != LexFloatStatusCodes.LF_OK:
+            raise LexFloatClientException(status)
+        return LexFloatClientNative.byte_to_string(buffer.value)
 
     @staticmethod
     def RequestFloatingLicense():
@@ -278,6 +391,20 @@ def RequestFloatingLicense():
         if LexFloatStatusCodes.LF_OK != status:
             raise LexFloatClientException(status)
 
+    @staticmethod
+    def RequestOfflineFloatingLicense(lease_duration):
+        """Sends the request to lease the license from the LexFloatServer for offline usage.
+        
+        Args:
+                leaseDuration (int): seconds for which the lease should be obtained.
+        
+        Raises:
+                LexFloatClientException
+        """
+        status = LexFloatClientNative.RequestOfflineFloatingLicense(lease_duration)
+        if LexFloatStatusCodes.LF_OK != status:
+            raise LexFloatClientException(status)
+
     @staticmethod
     def DropFloatingLicense():
         """Sends the request to the LexFloatServer to free the license.

cryptlex/lexfloatclient/lexfloatclient_exception.py

@@ -64,4 +64,20 @@ def get_error_message(code):
             return 'The server license has been suspended.'
         if code == LexFloatStatusCodes.LF_E_SERVER_LICENSE_GRACE_PERIOD_OVER:
             return 'The grace period for server license is over.'
+        if code == LexFloatStatusCodes.LF_E_SYSTEM_PERMISSION:
+            return 'Insufficient system permissions.'
+        if code == LexFloatStatusCodes.LF_E_INVALID_PERMISSION_FLAG:
+            return 'Invalid permission flag.'
+        if code == LexFloatStatusCodes.LF_E_OFFLINE_FLOATING_LICENSE_NOT_ALLOWED:
+            return 'Offline floating license is not allowed for per-instance leasing strategy.'
+        if code == LexFloatStatusCodes.LF_E_MAX_OFFLINE_LEASE_DURATION_EXCEEDED:
+            return 'Maximum offline lease duration exceeded.'
+        if code == LexFloatStatusCodes.LF_E_ALLOWED_OFFLINE_FLOATING_CLIENTS_LIMIT_REACHED:
+            return 'Allowed offline floating clients limit reached.'
+        if code == LexFloatStatusCodes.LF_E_WMIC:
+            return "Fingerprint couldn't be generated because Windows Management Instrumentation (WMI) service has been disabled. This error is specific to Windows only."
+        if code == LexFloatStatusCodes.LF_E_MACHINE_FINGERPRINT:
+            return 'Machine fingerprint has changed since activation.'
+        if code == LexFloatStatusCodes.LF_E_PROXY_NOT_TRUSTED:
+            return 'Request blocked due to untrusted proxy.'
         return 'Unknown error!'

cryptlex/lexfloatclient/lexfloatclient_native.py

@@ -127,6 +127,10 @@ def byte_to_string(input):
 SetFloatingClientMetadata.argtypes = [CSTRTYPE, CSTRTYPE]
 SetFloatingClientMetadata.restype = c_int
 
+SetPermissionFlag = library.SetPermissionFlag
+SetPermissionFlag.argtypes = [c_uint32]
+SetPermissionFlag.restype = c_int
+
 GetFloatingClientLibraryVersion = library.GetFloatingClientLibraryVersion
 GetFloatingClientLibraryVersion.argtypes = [STRTYPE, c_uint32]
 GetFloatingClientLibraryVersion.restype = c_int
@@ -139,10 +143,18 @@ def byte_to_string(input):
 GetHostProductVersionDisplayName.argtypes = [STRTYPE, c_uint32]
 GetHostProductVersionDisplayName.restype = c_int
 
+GetFloatingLicenseMode = library.GetFloatingLicenseMode
+GetFloatingLicenseMode.argtypes = [STRTYPE, c_uint32]
+GetFloatingLicenseMode.restype = c_int
+
 GetHostProductVersionFeatureFlag = library.GetHostProductVersionFeatureFlag
 GetHostProductVersionFeatureFlag.argtypes = [CSTRTYPE, POINTER(c_uint32), STRTYPE, c_uint32]
 GetHostProductVersionFeatureFlag.restype = c_int
 
+GetHostConfig = library.GetHostConfigInternal
+GetHostConfig.argtypes = [STRTYPE, c_uint32]
+GetHostConfig.restype = c_int
+
 GetHostLicenseMetadata = library.GetHostLicenseMetadata
 GetHostLicenseMetadata.argtypes = [CSTRTYPE, STRTYPE, c_uint32]
 GetHostLicenseMetadata.restype = c_int
@@ -155,14 +167,26 @@ def byte_to_string(input):
 GetHostLicenseExpiryDate.argtypes = [POINTER(c_uint32)]
 GetHostLicenseExpiryDate.restype = c_int
 
+GetFloatingClientLeaseExpiryDate = library.GetFloatingClientLeaseExpiryDate
+GetFloatingClientLeaseExpiryDate.argtypes = [POINTER(c_uint32)]
+GetFloatingClientLeaseExpiryDate.restype = c_int
+
 GetFloatingClientMeterAttributeUses = library.GetFloatingClientMeterAttributeUses
 GetFloatingClientMeterAttributeUses.argtypes = [CSTRTYPE, POINTER(c_uint32)]
 GetFloatingClientMeterAttributeUses.restype = c_int
 
+GetFloatingClientMetadata = library.GetFloatingClientMetadata
+GetFloatingClientMetadata.argtypes = [CSTRTYPE, STRTYPE, c_uint32]
+GetFloatingClientMetadata.restype = c_int
+
 RequestFloatingLicense = library.RequestFloatingLicense
 RequestFloatingLicense.argtypes = []
 RequestFloatingLicense.restype = c_int
 
+RequestOfflineFloatingLicense = library.RequestOfflineFloatingLicense
+RequestOfflineFloatingLicense.argtypes = [c_uint32]
+RequestOfflineFloatingLicense.restype = c_int
+
 DropFloatingLicense = library.DropFloatingLicense
 DropFloatingLicense.argtypes = []
 DropFloatingLicense.restype = c_int

cryptlex/lexfloatclient/lexfloatstatus_codes.py

@@ -39,10 +39,26 @@ class LexFloatStatusCodes:
     LF_E_METER_ATTRIBUTE_USES_LIMIT_REACHED = 56
 
     LF_E_PRODUCT_VERSION_NOT_LINKED = 57
-
+    
     LF_E_FEATURE_FLAG_NOT_FOUND = 58
+
+    LF_E_SYSTEM_PERMISSION = 59
 
     LF_E_IP = 60
+
+    LF_E_INVALID_PERMISSION_FLAG = 61
+
+    LF_E_OFFLINE_FLOATING_LICENSE_NOT_ALLOWED = 62
+
+    LF_E_MAX_OFFLINE_LEASE_DURATION_EXCEEDED = 63
+
+    LF_E_ALLOWED_OFFLINE_FLOATING_CLIENTS_LIMIT_REACHED = 64
+
+    LF_E_WMIC = 65
+
+    LF_E_MACHINE_FINGERPRINT = 66
+
+    LF_E_PROXY_NOT_TRUSTED = 67
 
     LF_E_CLIENT = 70