opendal/services/cloudflare_kv/
error.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18use bytes::Buf;
19use http::Response;
20use http::StatusCode;
21use serde_json::de;
22
23use super::backend::CfKvError;
24use super::backend::CfKvResponse;
25use crate::raw::*;
26use crate::*;
27
28/// Parse error response into Error.
29pub(super) fn parse_error(resp: Response<Buffer>) -> Error {
30    let (parts, body) = resp.into_parts();
31    let bs = body.to_bytes();
32
33    let (mut kind, mut retryable) = match parts.status {
34        StatusCode::NOT_FOUND => (ErrorKind::NotFound, false),
35        // Some services (like owncloud) return 403 while file locked.
36        StatusCode::FORBIDDEN => (ErrorKind::PermissionDenied, true),
37        // Allowing retry for resource locked.
38        StatusCode::LOCKED => (ErrorKind::Unexpected, true),
39        StatusCode::INTERNAL_SERVER_ERROR
40        | StatusCode::BAD_GATEWAY
41        | StatusCode::SERVICE_UNAVAILABLE
42        | StatusCode::GATEWAY_TIMEOUT => (ErrorKind::Unexpected, true),
43        _ => (ErrorKind::Unexpected, false),
44    };
45
46    let (message, err) = de::from_reader::<_, CfKvResponse>(bs.clone().reader())
47        .map(|err| (format!("{err:?}"), Some(err)))
48        .unwrap_or_else(|_| (String::from_utf8_lossy(&bs).into_owned(), None));
49
50    if let Some(err) = err {
51        (kind, retryable) = parse_cfkv_error_code(err.errors).unwrap_or((kind, retryable));
52    }
53
54    let mut err = Error::new(kind, message);
55
56    err = with_error_response_context(err, parts);
57
58    if retryable {
59        err = err.set_temporary();
60    }
61
62    err
63}
64
65pub(super) fn parse_cfkv_error_code(errors: Vec<CfKvError>) -> Option<(ErrorKind, bool)> {
66    if errors.is_empty() {
67        return None;
68    }
69
70    match errors[0].code {
71        // The request is malformed: failed to decode id.
72        7400 => Some((ErrorKind::Unexpected, false)),
73        // no such column: Xxxx.
74        7500 => Some((ErrorKind::NotFound, false)),
75        // Authentication error.
76        10000 => Some((ErrorKind::PermissionDenied, false)),
77        _ => None,
78    }
79}
opendal/services/cloudflare_kv/error.rs

opendal/services/cloudflare_kv/
error.rs
