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Support packed update archive

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huanghongxun
2018-08-04 22:04:59 +08:00
parent bdb7afa860
commit 04553c2c56
2 changed files with 38 additions and 8 deletions
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20
HMCL/src/main/java/org/jackhuang/hmcl/upgrade/LocalRepository.java
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@@ -26,7 +26,10 @@ import java.nio.file.StandardCopyOption;
import java.util.Optional;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.JarOutputStream;
import java.util.jar.Pack200;
import java.util.logging.Level;
import java.util.zip.GZIPInputStream;
import org.jackhuang.hmcl.Launcher;
import org.jackhuang.hmcl.task.FileDownloadTask;
@@ -63,17 +66,26 @@ final class LocalRepository {
* Creates a task that downloads the given version to local repository.
*/
public static FileDownloadTask downloadFromRemote(RemoteVersion version) throws IOException {
Path stage = Files.createTempFile("hmcl-update-", ".jar");
Path stage = Files.createTempFile("hmcl-update-", "");
return new FileDownloadTask(new URL(version.getUrl()), stage.toFile(), version.getIntegrityCheck()) {
@Override
public void execute() throws Exception {
Path jar = stage;
try {
super.execute();
IntegrityChecker.requireVerifiedJar(stage);
if (version.getType() == RemoteVersion.Type.PACK) {
Path unpacked = Files.createTempFile("hmcl-update-", ".jar");
try (GZIPInputStream stream = new GZIPInputStream(Files.newInputStream(jar));
JarOutputStream out = new JarOutputStream(Files.newOutputStream(unpacked))) {
Pack200.newUnpacker().unpack(stream, out);
}
jar = unpacked;
}
IntegrityChecker.requireVerifiedJar(jar);
Files.createDirectories(localStorage.getParent());
Files.copy(stage, localStorage, StandardCopyOption.REPLACE_EXISTING);
Files.copy(jar, localStorage, StandardCopyOption.REPLACE_EXISTING);
} finally {
Files.deleteIfExists(stage);
Files.deleteIfExists(jar);
}
}
};

26
HMCL/src/main/java/org/jackhuang/hmcl/upgrade/RemoteVersion.java
View File

@@ -34,9 +34,16 @@ public class RemoteVersion {
try {
JsonObject response = JsonUtils.fromNonNullJson(NetworkUtils.doGet(NetworkUtils.toURL(url)), JsonObject.class);
String version = Optional.ofNullable(response.get("version")).map(JsonElement::getAsString).orElseThrow(() -> new IOException("version is missing"));
String downloadUrl = Optional.ofNullable(response.get("jar")).map(JsonElement::getAsString).orElseThrow(() -> new IOException("jar is missing"));
String sha1 = Optional.ofNullable(response.get("jarsha1")).map(JsonElement::getAsString).orElseThrow(() -> new IOException("jarsha1 is missing"));
return new RemoteVersion(version, downloadUrl, new IntegrityCheck("SHA-1", sha1));
String jarUrl = Optional.ofNullable(response.get("jar")).map(JsonElement::getAsString).orElse(null);
String jarHash = Optional.ofNullable(response.get("jarsha1")).map(JsonElement::getAsString).orElse(null);
String packUrl = Optional.ofNullable(response.get("pack")).map(JsonElement::getAsString).orElse(null);
String packHash = Optional.ofNullable(response.get("packsha1")).map(JsonElement::getAsString).orElse(null);
if (packUrl != null && packHash != null)
return new RemoteVersion(version, packUrl, Type.PACK, new IntegrityCheck("SHA-1", packHash));
else if (jarUrl != null && jarHash != null)
return new RemoteVersion(version, jarUrl, Type.JAR, new IntegrityCheck("SHA-1", jarHash));
else
throw new IOException("Missing both jar and pack download URL");
} catch (JsonParseException e) {
throw new IOException("Malformed response", e);
}
@@ -44,11 +51,13 @@ public class RemoteVersion {
private String version;
private String url;
private Type type;
private IntegrityCheck integrityCheck;
public RemoteVersion(String version, String url, IntegrityCheck integrityCheck) {
public RemoteVersion(String version, String url, Type type, IntegrityCheck integrityCheck) {
this.version = version;
this.url = url;
this.type = type;
this.integrityCheck = integrityCheck;
}
@@ -60,6 +69,10 @@ public class RemoteVersion {
return url;
}
public Type getType() {
return type;
}
public IntegrityCheck getIntegrityCheck() {
return integrityCheck;
}
@@ -68,4 +81,9 @@ public class RemoteVersion {
public String toString() {
return "[" + version + " from " + url + "]";
}
public enum Type {
PACK,
JAR
}
}