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// Copyright 2017-2018 int08h LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use std;
use kms::KmsError;
use tag::Tag;
/// Error types generated by this implementation
#[derive(Debug)]
pub enum Error {
/// The associated tag was added to an `RtMessage` in non-increasing order.
TagNotStrictlyIncreasing(Tag),
/// The associated byte sequence does not correspond to a valid Roughtime tag.
InvalidTag(Box<[u8]>),
/// Invalid number of tags specified
InvalidNumTags(u32),
/// Tag value length exceeds length of source bytes
InvalidValueLength(Tag, u32),
/// Encoding failed. The associated `std::io::Error` should provide more information.
EncodingFailure(std::io::Error),
/// Request was less than 1024 bytes
RequestTooShort,
/// Offset was not 32-bit aligned
InvalidAlignment(u32),
/// Offset is outside of valid message range
InvalidOffsetValue(u32),
/// Could not convert bytes to message because bytes were too short
MessageTooShort,
/// Otherwise invalid request
InvalidRequest,
/// Runtime configuration is invalid for the reason provided
InvalidConfiguration(String),
}
impl From<std::io::Error> for Error {
fn from(err: std::io::Error) -> Self {
Error::EncodingFailure(err)
}
}
impl From<KmsError> for Error {
fn from(err: KmsError) -> Self {
match err {
KmsError::OperationFailed(m) => {
Error::InvalidConfiguration(format!("KMS operation failed: {}", m))
}
KmsError::InvalidConfiguration(m) => {
Error::InvalidConfiguration(format!("invalid KMS config: {}", m))
}
KmsError::InvalidData(m) => {
Error::InvalidConfiguration(format!("invalid KMS data: {}", m))
}
KmsError::InvalidKey(m) => {
Error::InvalidConfiguration(format!("invalid KMS key: {}", m))
}
}
}
}
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