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package me.xmrvizzy.skyblocker.utils;
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.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;
import me.xmrvizzy.skyblocker.SkyblockerMod;
import net.minecraft.SharedConstants;
/**
* @implNote All http requests are sent using HTTP 2
*/
public class Http {
private static final String USER_AGENT = "Skyblocker/" + SkyblockerMod.VERSION + " (" + SharedConstants.getGameVersion().getName() + ")";
private static final HttpClient HTTP_CLIENT = HttpClient.newBuilder()
.connectTimeout(Duration.ofSeconds(10))
.build();
public static String sendGetRequest(String url) throws IOException, InterruptedException {
HttpRequest request = 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))
.build();
HttpResponse<InputStream> response = HTTP_CLIENT.send(request, BodyHandlers.ofInputStream());
InputStream decodedInputStream = getDecodedInputStream(response);
String body = new String(decodedInputStream.readAllBytes());
return body;
}
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();
}
private static InputStream getDecodedInputStream(HttpResponse<InputStream> response) {
String encoding = getContentEncoding(response);
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(HttpResponse<InputStream> response) {
return response.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("");
}
}
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