HTTP-API-PROBLEM

A library to create HTTP response content for APIs based on RFC7807.

Usage

Get the latest version for your Cargo.toml from crates.io.

Serde

HttpApiProblem implements Serialize and Deserialize.

Examples

use http_api_problem::*;
let p = HttpApiProblem::new(StatusCode::UNPROCESSABLE_ENTITY)
    .title("You do not have enough credit.")
    .detail("Your current balance is 30, but that costs 50.")
    .type_url("https://example.com/probs/out-of-credit")
    .instance("/account/12345/msgs/abc");

assert_eq!(Some(StatusCode::UNPROCESSABLE_ENTITY), p.status);
assert_eq!(Some("You do not have enough credit."), p.title.as_deref());
assert_eq!(Some("Your current balance is 30, but that costs 50."), p.detail.as_deref());
assert_eq!(Some("https://example.com/probs/out-of-credit"), p.type_url.as_deref());
assert_eq!(Some("/account/12345/msgs/abc"), p.instance.as_deref());

There is also TryFrom<u16> implemented for [StatusCode]:

use http_api_problem::*;
let p = HttpApiProblem::try_new(422).unwrap()
    .title("You do not have enough credit.")
    .detail("Your current balance is 30, but that costs 50.")
    .type_url("https://example.com/probs/out-of-credit")
    .instance("/account/12345/msgs/abc");

assert_eq!(Some(StatusCode::UNPROCESSABLE_ENTITY), p.status);
assert_eq!(Some("You do not have enough credit."), p.title.as_deref());
assert_eq!(Some("Your current balance is 30, but that costs 50."), p.detail.as_deref());
assert_eq!(Some("https://example.com/probs/out-of-credit"), p.type_url.as_deref());
assert_eq!(Some("/account/12345/msgs/abc"), p.instance.as_deref());

Features

Web Frameworks

There are multiple features to integrate with web frameworks:

• axum

• warp
• hyper
• actix-web
• salvo
• tide
• rocket

These mainly convert the HttpApiProblem to response types of the frameworks and implement traits to integrate with the frameworks error handling

ApiError

The feature api-error enables a structure which can be return from "api handlers" that generate responses and can be converted into an HttpApiProblem.

Thank you

A big "thank you" for contributions and inspirations goes to the following GitHub users:

• panicbit
• thomaseizinger
• SohumB

License

http-api-problem is primarily distributed under the terms of both the MIT license and the Apache License (Version 2.0).

Copyright (c) 2017 Christian Douven.

License: Apache-2.0/MIT