220 lines
8.6 KiB
C++
220 lines
8.6 KiB
C++
#include <regex>
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#include "routes.h"
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#include "../blankie/murl.h"
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#include "../servehelper.h"
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#include "../numberhelper.h"
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#include "../pixivclient.h"
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static inline Element generate_user_link(const httplib::Request& req, const Config& config, const Illust& illust);
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static inline Element generate_images(const httplib::Request& req, const Config& config, const Illust& illust);
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static inline Element generate_preview_images(const httplib::Request& req, const Config& config, const Illust& illust);
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static inline std::vector<blankie::html::Node> parse_description_line(const httplib::Request& req, const Config& config, std::string str);
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static inline Element generate_description(const httplib::Request& req, const Config& config, const std::string& description);
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static inline Element generate_illust_tags(const httplib::Request& req, const Config& config, const Illust& illust);
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static inline bool is_true(const std::string& str);
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static inline std::string time_to_string(time_t time);
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static inline std::string proxy_pixiv_url(const httplib::Request& req, const Config& config, blankie::murl::Url url);
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void artworks_route(const httplib::Request& req, httplib::Response& res, const Config& config, PixivClient& pixiv_client) {
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uint64_t illust_id = to_ull(req.matches.str(1));
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bool preview = is_true(req.get_param_value("preview"));
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Illust illust;
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try {
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illust = pixiv_client.get_illust(illust_id);
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} catch (const PixivException& e) {
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if (e.status == 404) {
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res.status = 404;
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serve_error(req, res, config, "404: Illust not found", e.what());
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} else {
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res.status = 500;
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serve_error(req, res, config, "500: Internal server error", "Failed to fetch illust information", e.what());
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}
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return;
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} catch (const std::exception& e) {
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res.status = 500;
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serve_error(req, res, config, "500: Internal server error", "Failed to fetch illust information", e.what());
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return;
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}
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Element body("body", {
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Element("h2", {illust.title}),
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generate_user_link(req, config, illust),
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Element("br"),
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!preview ? generate_images(req, config, illust) : generate_preview_images(req, config, illust),
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Element("br")
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});
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if (illust.comment) {
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body.nodes.push_back(generate_description(req, config, *illust.comment));
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}
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body.nodes.push_back(generate_illust_tags(req, config, illust));
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body.nodes.push_back(Element("p", {time_to_string(illust.upload_time)}));
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serve(req, res, config, std::move(illust.title), std::move(body));
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}
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static inline Element generate_user_link(const httplib::Request& req, const Config& config, const Illust& illust) {
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std::string profile_picture = proxy_image_url(config, illust.user_profile_pictures.thumbnail_or_original().url);
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std::string user_link = get_origin(req, config) + "/users/" + std::to_string(illust.user_id);
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return Element("a", {{"class", "usermetadata"}, {"href", std::move(user_link)}}, {
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Element("img", {{"class", "profilepicture small"}, {"loading", "lazy"}, {"src", std::move(profile_picture)}}, {}),
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Element("b", {illust.user_display_name})
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});
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}
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static inline Element generate_images(const httplib::Request& req, const Config& config, const Illust& illust) {
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using namespace std::string_literals;
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Element div("div", {{"class", "illustimages"}}, {});
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bool show_pages = illust.images.size() > 1;
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if (show_pages) {
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div.nodes.push_back(Element("a", {{"href", "?preview=1"}}, {"Preview Images"}));
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}
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div.nodes.reserve(div.nodes.size() + (show_pages ? illust.images.size() * 2 : illust.images.size()));
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for (size_t i = 0; i < illust.images.size(); i++) {
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const Images& images = illust.images[i];
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const Image& thumbnail = images.thumbnail_or_original();
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const Image& original = images.original_or_thumbnail();
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if (show_pages) {
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std::string id = std::to_string(i + 1);
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div.nodes.push_back(Element("a", {{"class", "landmark"}, {"id", id}, {"href", "#"s + id}}, {id, "/", std::to_string(illust.images.size())}));
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}
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Element img("img", {{"loading", "lazy"}, {"src", proxy_image_url(config, thumbnail.url)}}, {});
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if (thumbnail.size) {
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img.attributes.push_back({"width", std::to_string(thumbnail.size->first)});
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img.attributes.push_back({"height", std::to_string(thumbnail.size->second)});
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}
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div.nodes.push_back(Element("a", {{"href", proxy_image_url(config, original.url)}}, {
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std::move(img)
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}));
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}
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return div;
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}
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static inline Element generate_preview_images(const httplib::Request& req, const Config& config, const Illust& illust) {
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std::string no_preview_link = get_origin(req, config) + "/artworks/" + std::to_string(illust.illust_id);
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Element div("div", {
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Element("a", {{"class", "center"}, {"href", no_preview_link}}, {"Go back"}),
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Element("br")
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});
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Element grid("div", {{"class", "grid"}}, {});
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grid.nodes.reserve(illust.images.size());
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for (size_t i = 0; i < illust.images.size(); i++) {
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const Images& images = illust.images[i];
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std::string thumbnail = proxy_image_url(config, images.thumbnail_or_original(1).url);
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std::string link = no_preview_link + '#' + std::to_string(i + 1);
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grid.nodes.push_back(Element("a", {{"href", std::move(link)}}, {
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Element("img", {{"loading", "lazy"}, {"src", std::move(thumbnail)}}, {})
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}));
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}
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div.nodes.push_back(std::move(grid));
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return div;
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}
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static inline std::vector<blankie::html::Node> parse_description_line(const httplib::Request& req, const Config& config, std::string str) {
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std::vector<blankie::html::Node> nodes;
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std::smatch sm;
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while (std::regex_search(str, sm, blankie::murl::full_url_regex)) {
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if (sm.prefix().length()) {
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nodes.push_back(sm.prefix());
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}
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blankie::murl::Url url(sm.str(0));
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std::string url_str = url.is_host_equal("pixiv.net") || url.is_host_equal("www.pixiv.net")
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? proxy_pixiv_url(req, config, std::move(url))
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: url.to_string();
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nodes.push_back(Element("a", {{"href", url_str}}, {url_str}));
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str = sm.suffix();
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}
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if (!str.empty()) {
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nodes.push_back(std::move(str));
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}
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return nodes;
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}
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static inline Element generate_description(const httplib::Request& req, const Config& config, const std::string& description) {
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Element p("p");
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size_t pos = 0;
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size_t last_pos = 0;
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auto add = [&](std::string str) {
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if (!p.nodes.empty()) {
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p.nodes.push_back(Element("br"));
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}
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std::vector<blankie::html::Node> nodes = parse_description_line(req, config, std::move(str));
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p.nodes.insert(p.nodes.end(), nodes.begin(), nodes.end());
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};
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while ((pos = description.find('\n', pos)) != std::string::npos) {
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add(description.substr(last_pos, pos - last_pos));
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last_pos = ++pos;
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}
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if (description.size() > last_pos) {
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add(description.substr(last_pos));
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}
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return p;
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}
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static inline Element generate_illust_tags(const httplib::Request& req, const Config& config, const Illust& illust) {
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Element div("div", {{"class", "illusttags"}}, {});
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if (illust.ai_generated) {
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div.nodes.push_back(Element("b", {"AI-Generated "}));
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}
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div.nodes.reserve(div.nodes.size() + illust.tags.size());
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for (const Tag& i : illust.tags) {
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std::string tag = [&]() {
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if (i.english) return *i.english;
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return i.japanese;
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}();
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div.nodes.push_back(Element("a", {{"href", get_origin(req, config) + "/tags/" + blankie::murl::escape(i.japanese)}}, {
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"#", std::move(tag)
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}));
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}
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return div;
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}
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static inline bool is_true(const std::string& str) {
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return !str.empty() && str != "0" && str != "false" && str != "no";
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}
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static inline std::string time_to_string(time_t time) {
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struct tm tm;
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char str[1024] = {0};
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if (!gmtime_r(&time, &tm)) {
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return std::to_string(time);
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}
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size_t len = strftime(str, 1024, "%F %H:%M:%S %z", &tm);
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if (len == 0) {
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return std::to_string(time);
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}
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return std::string(str, len);
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}
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static inline std::string proxy_pixiv_url(const httplib::Request& req, const Config& config, blankie::murl::Url url) {
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if (url.path.size() >= 4 && url.path.starts_with("/en/")) {
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url.path.erase(0, 3);
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} else if (url.path.size() == 3 && url.path == "/en") {
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url.path = '/';
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}
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// TODO strip the lang query parameter
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return proxy_url(get_origin(req, config), std::move(url));
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}
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