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fixes 4184: no-sniff and check-for-apache-bug for mime sniffing

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This commit is contained in:
Alexander Putilin 2015-05-24 03:53:15 +03:00
parent 7561f7b83f
commit e840698d4a
1 changed files with 17 additions and 2 deletions
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19
components/net/resource_task.rs
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@ -99,8 +99,23 @@ pub fn start_sending_sniffed_opt(start_chan: LoadConsumer, mut metadata: Metadat
-> Result<ProgressSender, ()> { -> Result<ProgressSender, ()> {
if opts::get().sniff_mime_types { if opts::get().sniff_mime_types {
// TODO: should be calculated in the resource loader, from pull requeset #4094 // TODO: should be calculated in the resource loader, from pull requeset #4094
let nosniff = false; let mut nosniff = false;
let check_for_apache_bug = false; let mut check_for_apache_bug = false;
if let Some(ref headers) = metadata.headers {
if let Some(ref raw_content_type) = headers.get_raw("content-type") {
let ref last_raw_content_type = raw_content_type[raw_content_type.len() - 1];
check_for_apache_bug = last_raw_content_type == b"text/plain"
|| last_raw_content_type == b"text/plain; charset=ISO-8859-1"
|| last_raw_content_type == b"text/plain; charset=iso-8859-1"
|| last_raw_content_type == b"text/plain; charset=UTF-8";
}
if let Some(ref raw_content_type_options) = headers.get_raw("content-type-options") {
for options in raw_content_type_options.iter() {
nosniff = nosniff || options == b"nosniff";
}
}
}
let supplied_type = metadata.content_type.map(|ContentType(Mime(toplevel, sublevel, _))| { let supplied_type = metadata.content_type.map(|ContentType(Mime(toplevel, sublevel, _))| {
(format!("{}", toplevel), format!("{}", sublevel)) (format!("{}", toplevel), format!("{}", sublevel))