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#include <cstring>
#include <format>
#include <string>
#include <emscripten/em_types.h>
#include <emscripten/emscripten.h>
#include <emscripten/fetch.h>
#include <emscripten/html5.h>
struct PostData {
char *body;
};
EM_JS(char *, get_cookie, (const char *name), {
const cookieName = UTF8ToString(name) + "=";
const cookies = document.cookie.split(";");
for (let c of cookies) {
c = c.trim();
if (c.startsWith(cookieName)) {
const value = c.substring(cookieName.length);
const len = lengthBytesUTF8(value) + 1;
const buffer = _malloc(len);
stringToUTF8(value, buffer, len);
return buffer;
}
}
return 0;
});
void cleanup(emscripten_fetch_t *fetch) {
auto *data = static_cast<PostData *>(fetch->userData);
free(data->body);
delete data;
emscripten_fetch_close(fetch);
}
void on_success(emscripten_fetch_t *fetch) {
printf("success: %d\n", fetch->status);
cleanup(fetch);
}
void on_error(emscripten_fetch_t *fetch) {
printf("error: %d\n", fetch->status);
cleanup(fetch);
}
void post_score(int score) {
auto username = get_cookie("bahms_user_login");
if (!username) {
return;
}
std::string text = std::format("## {}\nscore: {}", username, score);
auto *data = new PostData;
data->body = static_cast<char *>(malloc(text.size()));
memcpy(data->body, text.data(), text.size());
emscripten_fetch_attr_t attr;
emscripten_fetch_attr_init(&attr);
strcpy(attr.requestMethod, "POST");
attr.withCredentials = true;
const char *headers[] = {"Content-Type", "text/plain; charset=utf-8", nullptr};
attr.requestHeaders = headers;
attr.requestData = data->body;
attr.requestDataSize = text.size();
attr.userData = data;
attr.onsuccess = on_success;
attr.onerror = on_error;
emscripten_fetch(&attr, "https://api.bahms.org/v1/game/sakura-samurai");
}
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