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package de.hysky.skyblocker.utils;
import de.hysky.skyblocker.SkyblockerMod;
import net.minecraft.SharedConstants;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.io.IOException;
import java.io.InputStream;
import java.io.UncheckedIOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpClient.Redirect;
import java.net.http.HttpClient.Version;
import java.net.http.HttpHeaders;
import java.net.http.HttpRequest;
import java.net.http.HttpRequest.BodyPublishers;
import java.net.http.HttpResponse;
import java.net.http.HttpResponse.BodyHandlers;
import java.time.Duration;
import java.util.zip.GZIPInputStream;
import java.util.zip.InflaterInputStream;
/**
* @implNote All http requests are sent using HTTP 2
*/
public class Http {
private static final String NAME_2_UUID = "https://api.minecraftservices.com/minecraft/profile/lookup/name/";
private static final String HYPIXEL_PROXY = "https://hysky.de/api/hypixel/v2/";
private static final String USER_AGENT = "Skyblocker/" + SkyblockerMod.VERSION + " (" + SharedConstants.getGameVersion().getName() + ")";
private static final HttpClient HTTP_CLIENT = HttpClient.newBuilder()
.connectTimeout(Duration.ofSeconds(10))
.followRedirects(Redirect.NORMAL)
.build();
public static ApiResponse sendCacheableGetRequest(String url, @Nullable String token) throws IOException, InterruptedException {
HttpRequest.Builder requestBuilder = HttpRequest.newBuilder()
.GET()
.header("Accept", "application/json")
.header("Accept-Encoding", "gzip, deflate")
.header("User-Agent", USER_AGENT)
.version(Version.HTTP_2)
.uri(URI.create(url));
if (token != null) requestBuilder.header("Token", token);
HttpRequest request = requestBuilder.build();
HttpResponse<InputStream> response = HTTP_CLIENT.send(request, BodyHandlers.ofInputStream());
InputStream decodedInputStream = getDecodedInputStream(response);
String body = new String(decodedInputStream.readAllBytes());
HttpHeaders headers = response.headers();
return new ApiResponse(body, response.statusCode(), getCacheStatuses(headers), getAge(headers));
}
public static InputStream downloadContent(String url) throws IOException, InterruptedException {
HttpRequest request = HttpRequest.newBuilder()
.GET()
.header("Accept", "*/*")
.header("Accept-Encoding", "gzip, deflate")
.header("User-Agent", USER_AGENT)
.version(Version.HTTP_2)
.uri(URI.create(url))
.build();
HttpResponse<InputStream> response = HTTP_CLIENT.send(request, BodyHandlers.ofInputStream());
InputStream decodedInputStream = getDecodedInputStream(response);
return decodedInputStream;
}
public static String sendGetRequest(String url) throws IOException, InterruptedException {
return sendCacheableGetRequest(url, null).content();
}
public static HttpHeaders sendHeadRequest(String url) throws IOException, InterruptedException {
HttpRequest request = HttpRequest.newBuilder()
.method("HEAD", BodyPublishers.noBody())
.header("User-Agent", USER_AGENT)
.version(Version.HTTP_2)
.uri(URI.create(url))
.build();
HttpResponse<Void> response = HTTP_CLIENT.send(request, BodyHandlers.discarding());
return response.headers();
}
public static String sendPostRequest(String url, String requestBody, String contentType) throws IOException, InterruptedException {
HttpRequest request = HttpRequest.newBuilder()
.POST(BodyPublishers.ofString(requestBody))
.header("Accept", contentType)
.header("Accept-Encoding", "gzip, deflate")
.header("Content-Type", contentType)
.header("User-Agent", USER_AGENT)
.version(Version.HTTP_2)
.uri(URI.create(url))
.build();
HttpResponse<InputStream> response = HTTP_CLIENT.send(request, BodyHandlers.ofInputStream());
InputStream decodedInputStream = getDecodedInputStream(response);
String responseBody = new String(decodedInputStream.readAllBytes());
return responseBody;
}
public static ApiResponse sendName2UuidRequest(String name) throws IOException, InterruptedException {
return sendCacheableGetRequest(NAME_2_UUID + name, null);
}
/**
* @param endpoint the endpoint - do not include any leading or trailing slashes
* @param query the query string - use empty string if n/a
* @return the requested data with zero pre-processing applied
*
* @implNote the {@code v2} prefix is automatically added
*/
public static ApiResponse sendHypixelRequest(String endpoint, @NotNull String query) throws IOException, InterruptedException {
return sendCacheableGetRequest(HYPIXEL_PROXY + endpoint + query, ApiAuthentication.getToken());
}
private static InputStream getDecodedInputStream(HttpResponse<InputStream> response) {
String encoding = getContentEncoding(response.headers());
try {
switch (encoding) {
case "":
return response.body();
case "gzip":
return new GZIPInputStream(response.body());
case "deflate":
return new InflaterInputStream(response.body());
default:
throw new UnsupportedOperationException("The server sent content in an unexpected encoding: " + encoding);
}
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
private static String getContentEncoding(HttpHeaders headers) {
return headers.firstValue("Content-Encoding").orElse("");
}
public static String getEtag(HttpHeaders headers) {
return headers.firstValue("Etag").orElse("");
}
public static String getLastModified(HttpHeaders headers) {
return headers.firstValue("Last-Modified").orElse("");
}
/**
* Returns the cache statuses of the resource. All possible cache status values conform to Cloudflare's.
*
* @see <a href="https://developers.cloudflare.com/cache/concepts/cache-responses/">Cloudflare Cache Docs</a>
*/
private static String[] getCacheStatuses(HttpHeaders headers) {
return new String[] { headers.firstValue("CF-Cache-Status").orElse("UNKNOWN"), headers.firstValue("Local-Cache-Status").orElse("UNKNOWN") };
}
private static int getAge(HttpHeaders headers) {
return Integer.parseInt(headers.firstValue("Age").orElse("-1"));
}
//TODO If ever needed, we could just replace cache status with the response headers and go from there
public record ApiResponse(String content, int statusCode, String[] cacheStatuses, int age) implements AutoCloseable {
public boolean ok() {
return statusCode == 200;
}
public boolean ratelimited() {
return statusCode == 429;
}
public boolean cached() {
return cacheStatuses[0].equals("HIT") || cacheStatuses[1].equals("HIT");
}
@Override
public void close() {
//Allows for nice syntax when dealing with api requests in try catch blocks
//Maybe one day we'll have some resources to free
}
}
}
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