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Make response content-type check case insensitive

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For wordpress compat
This commit is contained in:
Felix Ableitner 2024-05-02 13:31:07 +02:00
parent 24afad7abc
commit 226d850836
1 changed files with 12 additions and 9 deletions
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21
src/fetch/mod.rs
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@ -54,17 +54,20 @@ pub async fn fetch_object_http<T: Clone, Kind: DeserializeOwned>(
data: &Data<T>,
) -> Result<FetchObjectResponse<Kind>, Error> {
static CONTENT_TYPE: HeaderValue = HeaderValue::from_static(FEDERATION_CONTENT_TYPE);
static ALT_CONTENT_TYPE: HeaderValue = HeaderValue::from_static(
r#"application/ld+json; profile="https://www.w3.org/ns/activitystreams""#,
);
static ALT_CONTENT_TYPE_MASTODON: HeaderValue =
HeaderValue::from_static(r#"application/activity+json; charset=utf-8"#);
static ALT_CONTENT_TYPE: &str =
r#"application/ld+json; profile="https://www.w3.org/ns/activitystreams""#;
static ALT_CONTENT_TYPE_MASTODON: &str = r#"application/activity+json; charset=utf-8"#;
let res = fetch_object_http_with_accept(url, data, &CONTENT_TYPE).await?;
// Ensure correct content-type to prevent vulnerabilities.
if res.content_type.as_ref() != Some(&CONTENT_TYPE)
&& res.content_type.as_ref() != Some(&ALT_CONTENT_TYPE)
&& res.content_type.as_ref() != Some(&ALT_CONTENT_TYPE_MASTODON)
// Ensure correct content-type to prevent vulnerabilities, with case insensitive comparison.
let content_type = res
.content_type
.as_ref()
.and_then(|c| c.to_str().map(str::to_lowercase).ok());
let content_type = content_type.as_deref();
if content_type != Some(FEDERATION_CONTENT_TYPE)
&& content_type != Some(ALT_CONTENT_TYPE)
&& content_type != Some(ALT_CONTENT_TYPE_MASTODON)
{
return Err(Error::FetchInvalidContentType(res.url));
}