diff --git a/launcher/ui/pages/global/MinecraftPage.ui b/launcher/ui/pages/global/MinecraftPage.ui index 2a3c0d96d..3008099e3 100644 --- a/launcher/ui/pages/global/MinecraftPage.ui +++ b/launcher/ui/pages/global/MinecraftPage.ui @@ -206,7 +206,7 @@ - <html><head/><body><p>Emulates usages of old online services which are no longer operating.</p><p>This currently allows modern skins to be used.</p></body></html> + <html><head/><body><p>Emulates usages of old online services which are no longer operating.</p><p>Current fixes include: skin and online mode support.</p></body></html> Enable online fixes (experimental) diff --git a/launcher/ui/pages/instance/InstanceSettingsPage.ui b/launcher/ui/pages/instance/InstanceSettingsPage.ui index 3b06ac865..632569e0c 100644 --- a/launcher/ui/pages/instance/InstanceSettingsPage.ui +++ b/launcher/ui/pages/instance/InstanceSettingsPage.ui @@ -605,7 +605,7 @@ - <html><head/><body><p>Emulates usages of old online services which are no longer operating.</p><p>This currently allows modern skins to be used.</p></body></html> + <html><head/><body><p>Emulates usages of old online services which are no longer operating.</p><p>Current fixes include: skin and online mode support.</p></body></html> Enable online fixes (experimental) diff --git a/libraries/launcher/CMakeLists.txt b/libraries/launcher/CMakeLists.txt index 7bf160760..4cd1ba58b 100644 --- a/libraries/launcher/CMakeLists.txt +++ b/libraries/launcher/CMakeLists.txt @@ -25,13 +25,14 @@ set(LEGACY_SRC legacy/org/prismlauncher/legacy/LegacyLauncher.java legacy/org/prismlauncher/legacy/fix/online/Handler.java legacy/org/prismlauncher/legacy/fix/online/OnlineFixes.java + legacy/org/prismlauncher/legacy/fix/online/OnlineModeFix.java legacy/org/prismlauncher/legacy/fix/online/SkinFix.java legacy/org/prismlauncher/legacy/utils/Base64.java legacy/org/prismlauncher/legacy/utils/api/MojangApi.java legacy/org/prismlauncher/legacy/utils/api/Texture.java legacy/org/prismlauncher/legacy/utils/json/JsonParseException.java legacy/org/prismlauncher/legacy/utils/json/JsonParser.java - legacy/org/prismlauncher/legacy/utils/url/CustomUrlConnection.java + legacy/org/prismlauncher/legacy/utils/url/ByteArrayUrlConnection.java legacy/org/prismlauncher/legacy/utils/url/UrlUtils.java legacy/net/minecraft/Launcher.java legacy/org/prismlauncher/legacy/LegacyProxy.java diff --git a/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/Handler.java b/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/Handler.java index f85a8bc79..5ef3d7ac2 100644 --- a/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/Handler.java +++ b/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/Handler.java @@ -53,11 +53,16 @@ final class Handler extends URLStreamHandler { protected URLConnection openConnection(URL address, Proxy proxy) throws IOException { URLConnection result; - // try skin fix + // try various fixes... result = SkinFix.openConnection(address, proxy); if (result != null) return result; + result = OnlineModeFix.openConnection(address, proxy); + if (result != null) + return result; + + // ...then give up and make the request directly return UrlUtils.openConnection(address, proxy); } } diff --git a/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/OnlineFixes.java b/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/OnlineFixes.java index 88facff69..9ba57ff71 100644 --- a/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/OnlineFixes.java +++ b/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/OnlineFixes.java @@ -46,6 +46,8 @@ import java.net.URLStreamHandlerFactory; /** * Fixes skins by redirecting to other URLs. + * Thanks to MineOnline for the implementation from which this was inspired! + * See https://github.com/ahnewark/MineOnline/tree/main/src/main/java/gg/codie/mineonline/protocol. * * @see {@link Handler} * @see {@link UrlUtils} diff --git a/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/OnlineModeFix.java b/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/OnlineModeFix.java new file mode 100644 index 000000000..6476dd882 --- /dev/null +++ b/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/OnlineModeFix.java @@ -0,0 +1,64 @@ +// SPDX-License-Identifier: GPL-3.0-only +/* + * Prism Launcher - Minecraft Launcher + * Copyright (C) 2023 TheKodeToad + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, version 3. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * Linking this library statically or dynamically with other modules is + * making a combined work based on this library. Thus, the terms and + * conditions of the GNU General Public License cover the whole + * combination. + * + * As a special exception, the copyright holders of this library give + * you permission to link this library with independent modules to + * produce an executable, regardless of the license terms of these + * independent modules, and to copy and distribute the resulting + * executable under terms of your choice, provided that you also meet, + * for each linked independent module, the terms and conditions of the + * license of that module. An independent module is a module which is + * not derived from or based on this library. If you modify this + * library, you may extend this exception to your version of the + * library, but you are not obliged to do so. If you do not wish to do + * so, delete this exception statement from your version. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +package org.prismlauncher.legacy.fix.online; + +import java.io.IOException; +import java.net.MalformedURLException; +import java.net.Proxy; +import java.net.URL; +import java.net.URLConnection; + +public final class OnlineModeFix { + public static URLConnection openConnection(URL address, Proxy proxy) throws IOException { + // we start with "http://www.minecraft.net/game/joinserver.jsp?user=..." + if (!(address.getHost().equals("www.minecraft.net") && address.getPath().equals("/game/joinserver.jsp"))) + return null; + + // change it to "https://session.minecraft.net/game/joinserver.jsp?user=..." + // this seems to be the modern version of the same endpoint... + // maybe Mojang planned to patch old versions of the game to use it + // if it ever disappears this should be changed to use sessionserver.mojang.com/session/minecraft/join + // which of course has a different usage requiring JSON serialisation... + URL url; + try { + url = new URL("https", "session.minecraft.net", address.getPort(), address.getFile()); + } catch (MalformedURLException e) { + throw new AssertionError("url should be valid", e); + } + + return url.openConnection(); + } +} diff --git a/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/SkinFix.java b/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/SkinFix.java index e734bdbc7..d5b185450 100644 --- a/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/SkinFix.java +++ b/libraries/launcher/legacy/org/prismlauncher/legacy/fix/online/SkinFix.java @@ -54,7 +54,7 @@ package org.prismlauncher.legacy.fix.online; import org.prismlauncher.legacy.utils.api.MojangApi; import org.prismlauncher.legacy.utils.api.Texture; -import org.prismlauncher.legacy.utils.url.CustomUrlConnection; +import org.prismlauncher.legacy.utils.url.ByteArrayUrlConnection; import org.prismlauncher.legacy.utils.url.UrlUtils; import java.awt.AlphaComposite; @@ -97,9 +97,9 @@ final class SkinFix { URLConnection connection = UrlUtils.openConnection(texture.getUrl(), proxy); try (InputStream in = connection.getInputStream()) { - // thank you craftycodie! + // thank you ahnewark! // this is heavily based on - // https://github.com/craftycodie/MineOnline/blob/4f4f86f9d051e0a6fd7ff0b95b2a05f7437683d7/src/main/java/gg/codie/mineonline/gui/textures/TextureHelper.java#L17 + // https://github.com/ahnewark/MineOnline/blob/4f4f86f9d051e0a6fd7ff0b95b2a05f7437683d7/src/main/java/gg/codie/mineonline/gui/textures/TextureHelper.java#L17 BufferedImage image = ImageIO.read(in); Graphics2D graphics = image.createGraphics(); graphics.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER)); @@ -131,7 +131,7 @@ final class SkinFix { image = image.getSubimage(0, 0, 64, 32); ImageIO.write(image, "png", out); - return new CustomUrlConnection(out.toByteArray()); + return new ByteArrayUrlConnection(out.toByteArray()); } } diff --git a/libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/CustomUrlConnection.java b/libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/ByteArrayUrlConnection.java similarity index 86% rename from libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/CustomUrlConnection.java rename to libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/ByteArrayUrlConnection.java index 71b0e68f2..bc9cf2cc2 100644 --- a/libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/CustomUrlConnection.java +++ b/libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/ByteArrayUrlConnection.java @@ -40,16 +40,12 @@ import java.io.IOException; import java.io.InputStream; import java.net.HttpURLConnection; -public final class CustomUrlConnection extends HttpURLConnection { +public final class ByteArrayUrlConnection extends HttpURLConnection { private final InputStream in; - public CustomUrlConnection(byte[] data) { - this(new ByteArrayInputStream(data)); - } - - public CustomUrlConnection(InputStream in) { + public ByteArrayUrlConnection(byte[] data) { super(null); - this.in = in; + this.in = new ByteArrayInputStream(data); } @Override @@ -58,12 +54,7 @@ public final class CustomUrlConnection extends HttpURLConnection { } @Override - public void disconnect() { - try { - in.close(); - } catch (IOException e) { - } - } + public void disconnect() {} @Override public InputStream getInputStream() throws IOException { diff --git a/libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/UrlUtils.java b/libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/UrlUtils.java index b0072485e..ae91b683c 100644 --- a/libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/UrlUtils.java +++ b/libraries/launcher/legacy/org/prismlauncher/legacy/utils/url/UrlUtils.java @@ -101,7 +101,7 @@ public final class UrlUtils { } catch (IOException | Error | RuntimeException e) { throw e; // rethrow if possible } catch (Throwable e) { - throw new AssertionError(e); // oh dear! this isn't meant to happen + throw new AssertionError("openConnection should not throw", e); // oh dear! this isn't meant to happen } } } diff --git a/libraries/launcher/org/prismlauncher/EntryPoint.java b/libraries/launcher/org/prismlauncher/EntryPoint.java index 699adfe30..8b9046f0c 100644 --- a/libraries/launcher/org/prismlauncher/EntryPoint.java +++ b/libraries/launcher/org/prismlauncher/EntryPoint.java @@ -81,10 +81,9 @@ public final class EntryPoint { PreLaunchAction action = PreLaunchAction.PROCEED; try (BufferedReader reader = new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8))) { - String line; - while (action == PreLaunchAction.PROCEED) { - if ((line = reader.readLine()) != null) + String line = reader.readLine(); + if (line != null) action = parseLine(line, params); else action = PreLaunchAction.ABORT; @@ -105,7 +104,7 @@ public final class EntryPoint { return ExitCode.ABORT; } - setProperties(params); + SystemProperties.apply(params); String launcherType = params.getString("launcher"); @@ -141,43 +140,10 @@ public final class EntryPoint { } } - private static void setProperties(Parameters params) { - String launcherBrand = params.getString("launcherBrand", null); - String launcherVersion = params.getString("launcherVersion", null); - String name = params.getString("instanceName", null); - String iconId = params.getString("instanceIconKey", null); - String iconPath = params.getString("instanceIconPath", null); - String windowTitle = params.getString("windowTitle", null); - String windowDimensions = params.getString("windowParams", null); - - if (launcherBrand != null) - System.setProperty("minecraft.launcher.brand", launcherBrand); - if (launcherVersion != null) - System.setProperty("minecraft.launcher.version", launcherVersion); - - // set useful properties for mods - if (name != null) - System.setProperty("org.prismlauncher.instance.name", name); - if (iconId != null) - System.setProperty("org.prismlauncher.instance.icon.id", iconId); - if (iconPath != null) - System.setProperty("org.prismlauncher.instance.icon.path", iconPath); - if (windowTitle != null) - System.setProperty("org.prismlauncher.window.title", windowTitle); - if (windowDimensions != null) - System.setProperty("org.prismlauncher.window.dimensions", windowDimensions); - - // set multimc properties for compatibility - if (name != null) - System.setProperty("multimc.instance.title", name); - if (iconId != null) - System.setProperty("multimc.instance.icon", iconId); - } - private static PreLaunchAction parseLine(String input, Parameters params) throws ParseException { switch (input) { case "": - break; + return PreLaunchAction.PROCEED; case "launch": return PreLaunchAction.LAUNCH; @@ -192,9 +158,9 @@ public final class EntryPoint { throw new ParseException(input, "[key] [value]"); params.add(pair[0], pair[1]); - } - return PreLaunchAction.PROCEED; + return PreLaunchAction.PROCEED; + } } private enum PreLaunchAction { PROCEED, LAUNCH, ABORT } diff --git a/libraries/launcher/org/prismlauncher/SystemProperties.java b/libraries/launcher/org/prismlauncher/SystemProperties.java new file mode 100644 index 000000000..5120e930d --- /dev/null +++ b/libraries/launcher/org/prismlauncher/SystemProperties.java @@ -0,0 +1,38 @@ +package org.prismlauncher; + +import org.prismlauncher.utils.Parameters; + +public final class SystemProperties { + public static void apply(Parameters params) { + String launcherBrand = params.getString("launcherBrand", null); + String launcherVersion = params.getString("launcherVersion", null); + String name = params.getString("instanceName", null); + String iconId = params.getString("instanceIconKey", null); + String iconPath = params.getString("instanceIconPath", null); + String windowTitle = params.getString("windowTitle", null); + String windowDimensions = params.getString("windowParams", null); + + if (launcherBrand != null) + System.setProperty("minecraft.launcher.brand", launcherBrand); + if (launcherVersion != null) + System.setProperty("minecraft.launcher.version", launcherVersion); + + // set useful properties for mods + if (name != null) + System.setProperty("org.prismlauncher.instance.name", name); + if (iconId != null) + System.setProperty("org.prismlauncher.instance.icon.id", iconId); + if (iconPath != null) + System.setProperty("org.prismlauncher.instance.icon.path", iconPath); + if (windowTitle != null) + System.setProperty("org.prismlauncher.window.title", windowTitle); + if (windowDimensions != null) + System.setProperty("org.prismlauncher.window.dimensions", windowDimensions); + + // set multimc properties for compatibility + if (name != null) + System.setProperty("multimc.instance.title", name); + if (iconId != null) + System.setProperty("multimc.instance.icon", iconId); + } +} diff --git a/libraries/launcher/org/prismlauncher/utils/ReflectionUtils.java b/libraries/launcher/org/prismlauncher/utils/ReflectionUtils.java index 3b2bfd9bb..9d03a90a6 100644 --- a/libraries/launcher/org/prismlauncher/utils/ReflectionUtils.java +++ b/libraries/launcher/org/prismlauncher/utils/ReflectionUtils.java @@ -54,15 +54,9 @@ package org.prismlauncher.utils; -import org.prismlauncher.utils.logging.Log; - -import java.applet.Applet; -import java.io.File; import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; import java.lang.invoke.MethodType; -import java.lang.reflect.Field; -import java.lang.reflect.Modifier; public final class ReflectionUtils { private static final MethodHandles.Lookup LOOKUP = MethodHandles.lookup();