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LibWeb: Follow HTTP 3xx redirections when loading images

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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
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25
Userland/Libraries/LibWeb/Loader/ImageLoader.cpp
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@ -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)