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LibWeb: Follow HTTP 3xx redirections when loading images

This basically copies some logic from FrameLoader to ImageLoader.
Ideally we'd share this code, but for now let's just get redirected
images to show up. :^)
This commit is contained in:
Andreas Kling 2022-02-16 12:34:21 +01:00
parent df1670415d
commit 0e2cd5540a
2 changed files with 28 additions and 0 deletions

View file

@ -21,6 +21,12 @@ ImageLoader::ImageLoader(DOM::Element& owner_element)
}
void ImageLoader::load(const AK::URL& url)
{
m_redirects_count = 0;
load_without_resetting_redirect_counter(url);
}
void ImageLoader::load_without_resetting_redirect_counter(AK::URL const& url)
{
m_loading_state = LoadingState::Loading;
@ -45,6 +51,25 @@ void ImageLoader::resource_did_load()
{
VERIFY(resource());
// For 3xx (Redirection) responses, the Location value refers to the preferred target resource for automatically redirecting the request.
auto status_code = resource()->status_code();
if (status_code.has_value() && *status_code >= 300 && *status_code <= 399) {
auto location = resource()->response_headers().get("Location");
if (location.has_value()) {
if (m_redirects_count > maximum_redirects_allowed) {
m_redirects_count = 0;
m_loading_state = LoadingState::Failed;
if (on_fail)
on_fail();
return;
}
m_redirects_count++;
load_without_resetting_redirect_counter(resource()->url().complete_url(location.value()));
return;
}
}
m_redirects_count = 0;
if (!resource()->mime_type().starts_with("image/")) {
m_loading_state = LoadingState::Failed;
if (on_fail)