Fix processing URLs with an empty href

https://eldritch.cafe/about
This commit is contained in:
blankie 2023-12-02 15:16:51 +11:00
parent 9aa23233dd
commit 278deff6da
Signed by: blankie
GPG Key ID: CC15FC822C7F61F5
1 changed files with 22 additions and 13 deletions

View File

@ -241,20 +241,29 @@ static inline void preprocess_link(const httplib::Request& req, const std::strin
const lxb_char_t* cls_c = lxb_dom_element_class(element, &cls_c_len); const lxb_char_t* cls_c = lxb_dom_element_class(element, &cls_c_len);
std::string cls = cls_c ? std::string(reinterpret_cast<const char*>(cls_c), cls_c_len) : ""; std::string cls = cls_c ? std::string(reinterpret_cast<const char*>(cls_c), cls_c_len) : "";
CurlUrl href_url; try {
href_url.set(CURLUPART_URL, get_origin(req)); CurlUrl href_url;
href_url.set(CURLUPART_PATH, std::string(href_url.get(CURLUPART_PATH).get()) + req.path); href_url.set(CURLUPART_URL, get_origin(req));
href_url.set(CURLUPART_URL, href); href_url.set(CURLUPART_PATH, std::string(href_url.get(CURLUPART_PATH).get()) + req.path);
CurlUrl instance_url_base; href_url.set(CURLUPART_URL, href);
instance_url_base.set(CURLUPART_SCHEME, "https");
instance_url_base.set(CURLUPART_HOST, domain_name);
// .mention is used in note and posts
// Instance base is used for link fields
if (std::regex_search(cls, mention_class_re) || starts_with(href_url, instance_url_base)) {
// Proxy this instance's URLs to Coyote
href = proxy_mastodon_url(req, std::move(href));
lxb_dom_element_set_attribute(element, reinterpret_cast<const lxb_char_t*>("href"), 4, reinterpret_cast<const lxb_char_t*>(href.data()), href.size()); CurlUrl instance_url_base;
instance_url_base.set(CURLUPART_SCHEME, "https");
instance_url_base.set(CURLUPART_HOST, domain_name);
// .mention is used in note and posts
// Instance base is used for link fields
if (std::regex_search(cls, mention_class_re) || starts_with(href_url, instance_url_base)) {
// Proxy this instance's URLs to Coyote
href = proxy_mastodon_url(req, std::move(href));
lxb_dom_element_set_attribute(element, reinterpret_cast<const lxb_char_t*>("href"), 4, reinterpret_cast<const lxb_char_t*>(href.data()), href.size());
}
} catch (const CurlUrlException& e) {
// example: <a href=""></a> on eldritch.cafe/about
if (e.code != CURLUE_MALFORMED_INPUT) {
throw;
}
} }
if (should_fix_link(element, cls)) { if (should_fix_link(element, cls)) {