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Merge pull request #920 from gsquire/referrer-update

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Referrer-Policy Header
This commit is contained in:
Sean McArthur
2016-10-08 18:22:45 -07:00
committed by GitHub
parent 73da844401 7b558ae87a
commit c2734c6330
1 changed files with 22 additions and 11 deletions
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33
src/header/common/referrer_policy.rs
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@@ -54,19 +54,23 @@ impl Header for ReferrerPolicy {
fn parse_header(raw: &Raw) -> ::Result<ReferrerPolicy> { fn parse_header(raw: &Raw) -> ::Result<ReferrerPolicy> {
use self::ReferrerPolicy::*; use self::ReferrerPolicy::*;
parsing::from_one_raw_str(raw).and_then(|s: String| { // See https://www.w3.org/TR/referrer-policy/#determine-policy-for-token
let slice = &s.to_ascii_lowercase()[..]; let headers: Vec<String> = try!(parsing::from_comma_delimited(raw));
// See https://www.w3.org/TR/referrer-policy/#determine-policy-for-token
for h in headers.iter().rev() {
let slice = &h.to_ascii_lowercase()[..];
match slice { match slice {
"no-referrer" | "never" => Ok(NoReferrer), "no-referrer" | "never" => return Ok(NoReferrer),
"no-referrer-when-downgrade" | "default" => Ok(NoReferrerWhenDowngrade), "no-referrer-when-downgrade" | "default" => return Ok(NoReferrerWhenDowngrade),
"same-origin" => Ok(SameOrigin), "same-origin" => return Ok(SameOrigin),
"origin" => Ok(Origin), "origin" => return Ok(Origin),
"origin-when-cross-origin" => Ok(OriginWhenCrossOrigin), "origin-when-cross-origin" => return Ok(OriginWhenCrossOrigin),
"unsafe-url" | "always" => Ok(UnsafeUrl), "unsafe-url" | "always" => return Ok(UnsafeUrl),
_ => Err(::Error::Header), _ => continue,
} }
}) }
Err(::Error::Header)
} }
fn fmt_header(&self, f: &mut fmt::Formatter) -> fmt::Result { fn fmt_header(&self, f: &mut fmt::Formatter) -> fmt::Result {
@@ -90,3 +94,10 @@ fn test_parse_header() {
let e: ::Result<ReferrerPolicy> = Header::parse_header(&"foobar".into()); let e: ::Result<ReferrerPolicy> = Header::parse_header(&"foobar".into());
assert!(e.is_err()); assert!(e.is_err());
} }
#[test]
fn test_rightmost_header() {
let a: ReferrerPolicy = Header::parse_header(&"same-origin, origin, foobar".into()).unwrap();
let b = ReferrerPolicy::Origin;
assert_eq!(a, b);
}