pixwhile/servehelper.cpp

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#include "config.h"
#include "servehelper.h"
void serve(const httplib::Request& req, httplib::Response& res, const Config& config, std::string title, Element element) {
using namespace std::string_literals;
std::string origin = get_origin(req, config);
std::string css_url = origin + "/style.css";
res.set_header("Content-Security-Policy", "default-src 'none'; img-src 'self'; style-src "s + css_url);
Element html("html", {
Element("head", {
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Element("meta", {{"charset", "utf-8"}}, {}),
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Element("title", {std::move(title)}),
Element("link", {{"rel", "stylesheet"}, {"href", std::move(css_url)}}, {})
}),
std::move(element)
});
res.set_content("<!DOCTYPE html>"s + html.serialize(), "text/html");
}
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std::string get_origin(const httplib::Request& req, const Config& config) {
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if (req.has_header("X-Canonical-Origin")) {
return req.get_header_value("X-Canonical-Origin");
}
std::string origin = "http://";
if (req.has_header("Host")) {
origin += req.get_header_value("Host");
} else {
origin += config.bind_host;
if (config.bind_port != 80) {
origin += ':' + std::to_string(config.bind_port);
}
}
return origin;
}