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Rewrite for clarity

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This commit is contained in:
Quentin 2020-11-10 15:48:40 +01:00
parent ab62c59acb
commit d1b2fcc1e7
1 changed files with 11 additions and 8 deletions
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19
src/web/web_server.rs
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@ -66,21 +66,24 @@ async fn handler(
///
/// The HTTP host contains both a host and a port.
/// Extracting the port is more complex than just finding the colon (:) symbol due to IPv6
/// we do not use the collect pattern as there is no way in std rust to collect over a stack allocated value
/// We do not use the collect pattern as there is no way in std rust to collect over a stack allocated value
/// check here: https://docs.rs/collect_slice/1.2.0/collect_slice/
fn authority_to_host(authority: &str) -> Result<&str, Error> {
let mut iter = authority.chars().enumerate();
let split = match iter.next() {
Some((_, '[')) => {
let mut niter = iter.skip_while(|(_, c)| c != &']');
niter.next().ok_or(Error::BadRequest(format!(
let (_, first_char) = iter
.next()
.ok_or(Error::BadRequest(format!("Authority is empty")))?;
let split = match first_char {
'[' => {
let mut iter = iter.skip_while(|(_, c)| c != &']');
iter.next().ok_or(Error::BadRequest(format!(
"Authority {} has an illegal format",
authority
)))?;
niter.next()
iter.next()
}
Some((_, _)) => iter.skip_while(|(_, c)| c != &':').next(),
None => return Err(Error::BadRequest(format!("Authority is empty"))),
_ => iter.skip_while(|(_, c)| c != &':').next(),
};
match split {