gotham_restful_redoc/
lib.rs

1#![forbid(elided_lifetimes_in_paths, unsafe_code)]
2
3//! Private implementation detail of the `gotham_restful` crate.
4
5use base64::prelude::*;
6use either::Either;
7use sha2::{Digest, Sha256};
8use std::{io::Write, iter};
9
10#[doc(hidden)]
11pub struct Redoc {
12	/// HTML code.
13	pub html: Vec<u8>,
14
15	/// JS hash base64 encoded.
16	pub script_hash: String
17}
18
19#[doc(hidden)]
20pub fn html(spec: String) -> Redoc {
21	let encoded_spec = spec
22		.chars()
23		.flat_map(|c| match c {
24			'&' => Either::Left("&amp;".chars()),
25			'<' => Either::Left("&lt;".chars()),
26			'>' => Either::Left("&gt;".chars()),
27			c => Either::Right(iter::once(c))
28		})
29		.collect::<String>();
30
31	let script = include_str!("script.min.js");
32	let mut script_hash = Sha256::new();
33	script_hash.update(script);
34	let script_hash = BASE64_STANDARD.encode(script_hash.finalize());
35
36	let mut html = Vec::<u8>::new();
37	write!(
38		html,
39		concat!(
40			"<!DOCTYPE HTML>",
41			"<html>",
42			"<head>",
43			r#"<meta charset="utf-8"/>"#,
44			r#"<meta name="viewport" content="width=device-width,initial-scale=1"/>"#,
45			"</head>",
46			r#"<body style="margin:0">"#,
47			r#"<div id="spec" style="display:none">{}</div>"#,
48			r#"<div id="redoc"></div>"#,
49			r#"<script>{}</script>"#,
50			"</body>",
51			"</html>"
52		),
53		encoded_spec, script
54	)
55	.unwrap();
56
57	Redoc { html, script_hash }
58}
gotham_restful_redoc/lib.rs

gotham_restful_redoc/
lib.rs
