diff options
3 files changed, 41 insertions, 4 deletions
diff --git a/src/main/java/moe/nea/firmament/mixins/TextureUnpackBase64PadPatch.java b/src/main/java/moe/nea/firmament/mixins/TextureUnpackBase64PadPatch.java new file mode 100644 index 0000000..54b575a --- /dev/null +++ b/src/main/java/moe/nea/firmament/mixins/TextureUnpackBase64PadPatch.java @@ -0,0 +1,24 @@ +/* + * SPDX-FileCopyrightText: 2024 Linnea Gräf <nea@nea.moe> + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +package moe.nea.firmament.mixins; + +import com.llamalad7.mixinextras.injector.ModifyExpressionValue; +import com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService; +import moe.nea.firmament.util.Base64Util; +import org.spongepowered.asm.mixin.Mixin; +import org.spongepowered.asm.mixin.injection.At; + +@Mixin(value = YggdrasilMinecraftSessionService.class, remap = false) +public class TextureUnpackBase64PadPatch { + @ModifyExpressionValue(method = "unpackTextures", + remap = false, + at = @At(value = "INVOKE", target = "Lcom/mojang/authlib/properties/Property;value()Ljava/lang/String;")) + private String base64PadTexture(String original) { + if (original.length() % 4 == 0) return original; + return Base64Util.INSTANCE.padToValidBase64(original); + } +} diff --git a/src/main/kotlin/moe/nea/firmament/util/Base64Util.kt b/src/main/kotlin/moe/nea/firmament/util/Base64Util.kt new file mode 100644 index 0000000..d02a23c --- /dev/null +++ b/src/main/kotlin/moe/nea/firmament/util/Base64Util.kt @@ -0,0 +1,15 @@ +/* + * SPDX-FileCopyrightText: 2024 Linnea Gräf <nea@nea.moe> + * + * SPDX-License-Identifier: GPL-3.0-or-later + */ + +package moe.nea.firmament.util + +object Base64Util { + fun String.padToValidBase64(): String { + val align = this.length % 4 + if (align == 0) return this + return this + "=".repeat(4 - align) + } +} diff --git a/src/main/kotlin/moe/nea/firmament/util/item/SkullItemData.kt b/src/main/kotlin/moe/nea/firmament/util/item/SkullItemData.kt index 551fa1f..291abed 100644 --- a/src/main/kotlin/moe/nea/firmament/util/item/SkullItemData.kt +++ b/src/main/kotlin/moe/nea/firmament/util/item/SkullItemData.kt @@ -23,6 +23,7 @@ import net.minecraft.component.type.ProfileComponent import net.minecraft.item.ItemStack import net.minecraft.item.Items import moe.nea.firmament.Firmament +import moe.nea.firmament.util.Base64Util.padToValidBase64 import moe.nea.firmament.util.assertTrueOr import moe.nea.firmament.util.json.DashlessUUIDSerializer import moe.nea.firmament.util.json.InstantAsLongSerializer @@ -49,14 +50,11 @@ fun GameProfile.setTextures(textures: MinecraftTexturesPayloadKt) { } private val propertyTextures = "textures" -fun String.padBase64(): String { - return this + "=".repeat((4 - (this.length % 4)) % 4) -} fun ItemStack.setEncodedSkullOwner(uuid: UUID, encodedData: String) { assert(this.item == Items.PLAYER_HEAD) val gameProfile = GameProfile(uuid, "LameGuy123") - gameProfile.properties.put(propertyTextures, Property(propertyTextures, encodedData.padBase64())) + gameProfile.properties.put(propertyTextures, Property(propertyTextures, encodedData.padToValidBase64())) this.set(DataComponentTypes.PROFILE, ProfileComponent(gameProfile)) } |