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Adding back in doctype check.

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This commit is contained in:
Dessalines 2024-08-03 09:22:44 -04:00
parent b60e511493
commit b93f76b157
1 changed files with 12 additions and 0 deletions
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12
crates/api_common/src/request.rs
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@ -184,6 +184,18 @@ pub async fn generate_post_link_metadata(
fn extract_opengraph_data(html_bytes: &[u8], url: &Url) -> LemmyResult<OpenGraphData> {
let html = String::from_utf8_lossy(html_bytes);
// Make sure the first line is doctype html
let first_line = html
.trim_start()
.lines()
.next()
.ok_or(LemmyErrorType::NoLinesInHtml)?
.to_lowercase();
if !first_line.starts_with("<!doctype html") {
Err(LemmyErrorType::SiteMetadataPageIsNotDoctypeHtml)?
}
let mut page = HTML::from_string(html.to_string(), None)?;
// If the web page specifies that it isn't actually UTF-8, re-decode the received bytes with the