Theseus skin selector backend

apps/app/build.rs

@@ -99,6 +99,22 @@ fn main() {
                         DefaultPermissionRule::AllowAllCommands,
                     ),
             )
+            .plugin(
+                "minecraft-skins",
+                InlinedPlugin::new()
+                    .commands(&[
+                        "get_available_capes",
+                        "get_available_skins",
+                        "add_and_equip_custom_skin",
+                        "set_default_cape",
+                        "equip_skin",
+                        "remove_custom_skin",
+                        "unequip_skin",
+                    ])
+                    .default_permission(
+                        DefaultPermissionRule::AllowAllCommands,
+                    ),
+            )
             .plugin(
                 "mr-auth",
                 InlinedPlugin::new()

apps/app/capabilities/plugins.json

@@ -25,6 +25,7 @@
     "jre:default",
     "logs:default",
     "metadata:default",
+    "minecraft-skins:default",
     "mr-auth:default",
     "profile-create:default",
     "pack:default",

apps/app/src/api/minecraft_skins.rs

@@ -0,0 +1,82 @@
+use crate::api::Result;
+
+use theseus::minecraft_skins::{self, Bytes, Cape, MinecraftSkinVariant, Skin};
+
+pub fn init<R: tauri::Runtime>() -> tauri::plugin::TauriPlugin<R> {
+    tauri::plugin::Builder::new("minecraft-skins")
+        .invoke_handler(tauri::generate_handler![
+            get_available_capes,
+            get_available_skins,
+            add_and_equip_custom_skin,
+            set_default_cape,
+            equip_skin,
+            remove_custom_skin,
+            unequip_skin,
+        ])
+        .build()
+}
+
+/// `invoke('plugin:minecraft-skins|get_available_capes')`
+///
+/// See also: [minecraft_skins::get_available_capes]
+#[tauri::command]
+pub async fn get_available_capes() -> Result<Vec<Cape>> {
+    Ok(minecraft_skins::get_available_capes().await?)
+}
+
+/// `invoke('plugin:minecraft-skins|get_available_skins')`
+///
+/// See also: [minecraft_skins::get_available_skins]
+#[tauri::command]
+pub async fn get_available_skins() -> Result<Vec<Skin>> {
+    Ok(minecraft_skins::get_available_skins().await?)
+}
+
+/// `invoke('plugin:minecraft-skins|add_and_equip_custom_skin', texture_blob, variant, cape_override)`
+///
+/// See also: [minecraft_skins::add_and_equip_custom_skin]
+#[tauri::command]
+pub async fn add_and_equip_custom_skin(
+    texture_blob: Bytes,
+    variant: MinecraftSkinVariant,
+    cape_override: Option<Cape>,
+) -> Result<()> {
+    Ok(minecraft_skins::add_and_equip_custom_skin(
+        texture_blob,
+        variant,
+        cape_override,
+    )
+    .await?)
+}
+
+/// `invoke('plugin:minecraft-skins|set_default_cape', cape)`
+///
+/// See also: [minecraft_skins::set_default_cape]
+#[tauri::command]
+pub async fn set_default_cape(cape: Option<Cape>) -> Result<()> {
+    Ok(minecraft_skins::set_default_cape(cape).await?)
+}
+
+/// `invoke('plugin:minecraft-skins|equip_skin', skin)`
+///
+/// See also: [minecraft_skins::equip_skin]
+#[tauri::command]
+pub async fn equip_skin(skin: Skin) -> Result<()> {
+    Ok(minecraft_skins::equip_skin(skin).await?)
+}
+
+/// `invoke('plugin:minecraft-skins|remove_custom_skin', skin)`
+///
+/// See also: [minecraft_skins::remove_custom_skin]
+#[tauri::command]
+pub async fn remove_custom_skin(skin: Skin) -> Result<()> {
+    Ok(minecraft_skins::remove_custom_skin(skin).await?)
+}
+
+/// `invoke('plugin:minecraft-skins|unequip_skin')`
+///
+/// See also: [minecraft_skins::unequip_skin]
+#[tauri::command]
+pub async fn unequip_skin() -> Result<()> {
+    Ok(minecraft_skins::unequip_skin().await?)
+}

apps/app/src/api/mod.rs

@@ -7,6 +7,7 @@ pub mod import;
 pub mod jre;
 pub mod logs;
 pub mod metadata;
+pub mod minecraft_skins;
 pub mod mr_auth;
 pub mod pack;
 pub mod process;

apps/app/src/main.rs

@@ -249,6 +249,7 @@ fn main() {
         .plugin(api::logs::init())
         .plugin(api::jre::init())
         .plugin(api::metadata::init())
+        .plugin(api::minecraft_skins::init())
         .plugin(api::pack::init())
         .plugin(api::process::init())
         .plugin(api::profile::init())

packages/app-lib/Cargo.toml

@@ -5,7 +5,7 @@ authors = ["Jai A <[email protected]>"]
 edition = "2024"
 
 [dependencies]
-bytes = "1"
+bytes = { version = "1", features = ["serde"] }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 serde_ini = "0.2.0"
@@ -30,6 +30,7 @@ sys-info = "0.9.0"
 sysinfo = "0.35.0"
 thiserror = "2.0.12"
 either = "1.13"
+data-url = "0.3.1"
 
 tracing = "0.1.37"
 tracing-subscriber = { version = "0.3.18", features = ["chrono", "env-filter"] }
@@ -43,7 +44,7 @@ indicatif = { version = "0.17.3", optional = true }
 
 async-tungstenite = { version = "0.29.1", features = ["tokio-runtime", "tokio-rustls-webpki-roots"] }
 futures = "0.3"
-reqwest = { version = "0.12.15", features = ["json", "stream", "deflate", "gzip", "brotli", "rustls-tls", "charset", "http2", "macos-system-configuration"], default-features = false }
+reqwest = { version = "0.12.15", features = ["json", "stream", "deflate", "gzip", "brotli", "rustls-tls", "charset", "http2", "macos-system-configuration", "multipart"], default-features = false }
 tokio = { version = "1", features = ["full"] }
 tokio-util = "0.7"
 async-recursion = "1.0.4"
@@ -66,7 +67,7 @@ rand = "0.8"
 byteorder = "1.5.0"
 base64 = "0.22.1"
 
-sqlx = { version = "0.8.2", features = [ "runtime-tokio", "sqlite", "macros" ] }
+sqlx = { version = "0.8.2", features = [ "runtime-tokio", "sqlite", "macros", "uuid" ] }
 
 quartz_nbt = { version = "0.2", features = ["serde"] }
 hickory-resolver = "0.25"

packages/app-lib/migrations/20250413162050_skin-selector.sql

@@ -0,0 +1,36 @@
+CREATE TABLE default_minecraft_capes (
+    minecraft_user_uuid TEXT NOT NULL,
+    id TEXT NOT NULL,
+
+    PRIMARY KEY (minecraft_user_uuid, id),
+    FOREIGN KEY (minecraft_user_uuid) REFERENCES minecraft_users(uuid)
+        ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+CREATE TABLE custom_minecraft_skins (
+    minecraft_user_uuid TEXT NOT NULL,
+    texture_key TEXT NOT NULL,
+    variant TEXT NOT NULL CHECK (variant IN ('CLASSIC', 'SLIM', 'UNKNOWN')),
+    cape_id TEXT,
+
+    PRIMARY KEY (minecraft_user_uuid, texture_key, variant, cape_id),
+    FOREIGN KEY (minecraft_user_uuid) REFERENCES minecraft_users(uuid)
+        ON DELETE CASCADE ON UPDATE CASCADE,
+    FOREIGN KEY (texture_key) REFERENCES custom_minecraft_skin_textures(texture_key)
+        ON DELETE CASCADE ON UPDATE CASCADE DEFERRABLE INITIALLY DEFERRED
+);
+
+CREATE TABLE custom_minecraft_skin_textures (
+    texture_key TEXT NOT NULL,
+    texture PNG BLOB NOT NULL,
+
+    PRIMARY KEY (texture_key)
+);
+
+CREATE TRIGGER custom_minecraft_skin_texture_delete_cleanup
+    AFTER DELETE ON custom_minecraft_skins FOR EACH ROW
+    BEGIN
+        DELETE FROM custom_minecraft_skin_textures WHERE texture_key NOT IN (
+            SELECT texture_key FROM custom_minecraft_skins
+        );
+    END;