public void ReadEntity(IDictionary <string, EntityProperty> properties, OperationContext operationContext)
{
#if RT
IEnumerable <PropertyInfo> myProperties = entity.GetType().GetRuntimeProperties();
var classAttributes = System.Attribute.GetCustomAttributes(entity.GetType());
#else
IEnumerable <PropertyInfo> myProperties = this.GetType().GetProperties();
var classAttributes = System.Attribute.GetCustomAttributes(this.GetType());
#endif
EncryptionTicks = properties["EncryptionTicks"]?.Int64Value ?? -1;
EncryptionKey keyAttribute = (EncryptionKey)classAttributes.FirstOrDefault(x => !((x as EncryptionKey)?.IsDefaultValue ?? true));
if (keyAttribute == null)
{
keyAttribute = (EncryptionKey)classAttributes.First(x => (x as EncryptionKey) != null);
keyAttribute = keyAttribute ?? new EncryptionKey(24, 8, 3);
}
foreach (PropertyInfo property in myProperties)
{
// reserved properties
if (property.Name == "PartitionKey" ||
property.Name == "RowKey" ||
property.Name == "Timestamp" ||
property.Name == "ETag" || property.Name == "EncryptionTicks")
{
continue;
}
// Enforce public getter / setter
#if RT
if (property.SetMethod == null || !property.SetMethod.IsPublic || property.GetMethod == null || !property.GetMethod.IsPublic)
#else
if (property.GetSetMethod() == null || !property.GetSetMethod().IsPublic || property.GetGetMethod() == null || !property.GetGetMethod().IsPublic)
#endif
{
continue;
}
// only proceed with properties that have a corresponding entry in the dictionary
if (!properties.ContainsKey(property.Name))
{
continue;
}
EntityProperty entityProperty = properties[property.Name];
if (IsPropertyNull(entityProperty))
{
property.SetValue(this, null, null);
}
else if (property.GetCustomAttribute(typeof(EncryptedProperty)) is EncryptedProperty encryptedAttribute)
{
object propValue = null;
try
{
if (entityProperty.PropertyType == EdmType.String)
{
if (keyAttribute.isSingleKey)
{
using (var manager = new EncryptionManager(keyAttribute.Key))
{
propValue = JsonConvert.DeserializeObject(AESEncryptor.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue), property.PropertyType);
}
}
else
{
using (var manager = new EncryptionManager(keyAttribute.A, keyAttribute.B, keyAttribute.C))
{
propValue = JsonConvert.DeserializeObject(manager.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue, EncryptionTicks), property.PropertyType);
}
}
}
}
catch (Exception ex)
{
Console.Write(ex);
}
if (propValue != null)
{
property.SetValue(this, propValue, null);
}
else
{
switch (entityProperty.PropertyType)
{
case EdmType.String:
if (property.PropertyType != typeof(string) && property.PropertyType != typeof(String))
{
continue;
}
var propertyValue = AESEncryptor.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue);
property.SetValue(this, propertyValue, null);
break;
case EdmType.Binary:
if (property.PropertyType != typeof(byte[]))
{
continue;
}
var binaryValue = JsonConvert.DeserializeObject <byte[]>(AESEncryptor.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue));
property.SetValue(this, binaryValue, null);
break;
case EdmType.Boolean:
if (property.PropertyType != typeof(bool) && property.PropertyType != typeof(Boolean) && property.PropertyType != typeof(Boolean?) && property.PropertyType != typeof(bool?))
{
continue;
}
property.SetValue(this, entityProperty.BooleanValue, null);
break;
case EdmType.DateTime:
if (property.PropertyType == typeof(DateTimeOffset))
{
var dateValue = JsonConvert.DeserializeObject <DateTimeOffset>(AESEncryptor.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue));
property.SetValue(this, dateValue.UtcDateTime, null);
}
else if (property.PropertyType == typeof(DateTimeOffset))
{
var dateValue = JsonConvert.DeserializeObject <DateTime>(AESEncryptor.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue));
property.SetValue(this, dateValue.ToUniversalTime(), null);
}
break;
case EdmType.Double:
if (property.PropertyType != typeof(double) && property.PropertyType != typeof(Double) && property.PropertyType != typeof(Double?) && property.PropertyType != typeof(double?))
{
continue;
}
var doubleValue = JsonConvert.DeserializeObject <double>(AESEncryptor.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue));
property.SetValue(this, doubleValue, null);
break;
case EdmType.Guid:
if (property.PropertyType != typeof(Guid) && property.PropertyType != typeof(Guid?))
{
continue;
}
var guidValue = JsonConvert.DeserializeObject <Guid>(AESEncryptor.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue));
property.SetValue(this, guidValue, null);
break;
case EdmType.Int32:
if (property.PropertyType != typeof(int) && property.PropertyType != typeof(Int32) && property.PropertyType != typeof(Int32?) && property.PropertyType != typeof(int?))
{
continue;
}
var intValue = JsonConvert.DeserializeObject <int>(AESEncryptor.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue));
property.SetValue(this, intValue, null);
break;
case EdmType.Int64:
if (property.PropertyType != typeof(long) && property.PropertyType != typeof(Int64) && property.PropertyType != typeof(long?) && property.PropertyType != typeof(Int64?))
{
continue;
}
var intValue2 = JsonConvert.DeserializeObject <int>(AESEncryptor.Decrypt(entityProperty.StringValue, properties[property.Name + "IV"].StringValue));
property.SetValue(this, intValue2, null);
break;
}
}
}
else
{
switch (entityProperty.PropertyType)
{
case EdmType.String:
if (property.PropertyType != typeof(string) && property.PropertyType != typeof(String))
{
continue;
}
property.SetValue(this, entityProperty.StringValue, null);
break;
case EdmType.Binary:
if (property.PropertyType != typeof(byte[]))
{
continue;
}
property.SetValue(this, entityProperty.BinaryValue, null);
break;
case EdmType.Boolean:
if (property.PropertyType != typeof(bool) && property.PropertyType != typeof(Boolean) && property.PropertyType != typeof(Boolean?) && property.PropertyType != typeof(bool?))
{
continue;
}
property.SetValue(this, entityProperty.BooleanValue, null);
break;
case EdmType.DateTime:
if (property.PropertyType == typeof(DateTime))
{
property.SetValue(this, entityProperty.DateTimeOffsetValue.Value.UtcDateTime, null);
}
else if (property.PropertyType == typeof(DateTime?))
{
property.SetValue(this, entityProperty.DateTimeOffsetValue.HasValue ? entityProperty.DateTimeOffsetValue.Value.UtcDateTime : (DateTime?)null, null);
}
else if (property.PropertyType == typeof(DateTimeOffset))
{
property.SetValue(this, entityProperty.DateTimeOffsetValue.Value, null);
}
else if (property.PropertyType == typeof(DateTimeOffset?))
{
property.SetValue(this, entityProperty.DateTimeOffsetValue, null);
}
break;
case EdmType.Double:
if (property.PropertyType != typeof(double) && property.PropertyType != typeof(Double) && property.PropertyType != typeof(Double?) && property.PropertyType != typeof(double?))
{
continue;
}
property.SetValue(this, entityProperty.DoubleValue, null);
break;
case EdmType.Guid:
if (property.PropertyType != typeof(Guid) && property.PropertyType != typeof(Guid?))
{
continue;
}
property.SetValue(this, entityProperty.GuidValue, null);
break;
case EdmType.Int32:
if (property.PropertyType != typeof(int) && property.PropertyType != typeof(Int32) && property.PropertyType != typeof(Int32?) && property.PropertyType != typeof(int?))
{
continue;
}
property.SetValue(this, entityProperty.Int32Value, null);
break;
case EdmType.Int64:
if (property.PropertyType != typeof(long) && property.PropertyType != typeof(Int64) && property.PropertyType != typeof(long?) && property.PropertyType != typeof(Int64?))
{
continue;
}
property.SetValue(this, entityProperty.Int64Value, null);
break;
}
}
}
}
public IDictionary <string, EntityProperty> WriteEntity(OperationContext operationContext)
{
Dictionary <string, EntityProperty> retVals = new Dictionary <string, EntityProperty>();
#if RT
IEnumerable <PropertyInfo> objectProperties = entity.GetType().GetRuntimeProperties();
var classAttributes = System.Attribute.GetCustomAttributes(entity.GetType());
#else
IEnumerable <PropertyInfo> objectProperties = this.GetType().GetProperties();
var classAttributes = System.Attribute.GetCustomAttributes(this.GetType());
#endif
EncryptionTicks = DateTime.Now.Ticks;
EncryptionKey keyAttribute = (EncryptionKey)classAttributes.FirstOrDefault(x => !((x as EncryptionKey)?.IsDefaultValue ?? true));
if (keyAttribute == null)
{
keyAttribute = (EncryptionKey)classAttributes.First(x => (x as EncryptionKey) != null);
keyAttribute = keyAttribute ?? new EncryptionKey(24, 8, 3);
}
foreach (PropertyInfo property in objectProperties)
{
// reserved properties
if (property.Name == "PartitionKey" ||
property.Name == "RowKey" ||
property.Name == "Timestamp" ||
property.Name == "ETag")
{
continue;
}
// Enforce public getter / setter
#if RT
if (property.SetMethod == null || !property.SetMethod.IsPublic || property.GetMethod == null || !property.GetMethod.IsPublic)
#else
if (property.GetSetMethod() == null || !property.GetSetMethod().IsPublic || property.GetGetMethod() == null || !property.GetGetMethod().IsPublic)
#endif
{
continue;
}
EntityProperty newProperty = null;
if (property.GetCustomAttribute(typeof(EncryptedProperty)) != null)
{
EntityProperty ivProperty = null;
if (keyAttribute.isSingleKey)
{
using (var manager = new EncryptionManager(keyAttribute.Key))
{
ivProperty = CreateEntityPropertyFromObject(AESEncryptor.CreateInitializor(), false);
newProperty = CreateEntityPropertyFromObject(manager.Encrypt(JsonConvert.SerializeObject(property.GetValue(this, null)), ivProperty.StringValue), false);
}
}
else
{
using (var manager = new EncryptionManager(keyAttribute.A, keyAttribute.B, keyAttribute.C))
{
ivProperty = CreateEntityPropertyFromObject(AESEncryptor.CreateInitializor(), false);
newProperty = CreateEntityPropertyFromObject(manager.Encrypt(JsonConvert.SerializeObject(property.GetValue(this, null)), ivProperty.StringValue, EncryptionTicks), false);
}
}
if (newProperty != null)
{
retVals.Add(property.Name + "IV", ivProperty);
}
}
else
{
newProperty = CreateEntityPropertyFromObject(property.GetValue(this, null), false);
}
// property will be null if unknown type
if (newProperty != null)
{
retVals.Add(property.Name, newProperty);
}
}
return(retVals);
}
