Update src/main.rs

src/main.rs

@@ -0,0 +1,85 @@
+mod axml;
+mod bigint;
+mod cert;
+mod deflate;
+mod keydata;
+mod sha256;
+mod sign_v2;
+mod zip;
+
+use axml::{val, AxmlBuilder};
+
+fn build_manifest() -> Vec<u8> {
+    let mut b = AxmlBuilder::new();
+
+    let a_name = b.intern("name");
+    let a_hascode = b.intern("hasCode");
+    let a_exported = b.intern("exported");
+    let a_minsdk = b.intern("minSdkVersion");
+
+    let s_manifest = b.intern("manifest");
+    let s_uses_sdk = b.intern("uses-sdk");
+    let s_application = b.intern("application");
+    let s_activity = b.intern("activity");
+    let a_package = b.intern("package");
+
+    let v_package = b.intern("android.app");
+    let v_activity = b.intern(".Activity");
+
+    let resmap = vec![
+        (a_name, AxmlBuilder::res_id_for("name").unwrap()),
+        (a_minsdk, AxmlBuilder::res_id_for("minSdkVersion").unwrap()),
+        (a_hascode, AxmlBuilder::res_id_for("hasCode").unwrap()),
+        (a_exported, AxmlBuilder::res_id_for("exported").unwrap()),
+    ];
+
+    b.start();
+    b.open_ns(
+        s_manifest,
+        &[(a_package, val::TYPE_STRING, v_package, v_package as i32, false)],
+    );
+    b.open(s_uses_sdk, &[(a_minsdk, val::TYPE_INT_DEC, 34, -1)]);
+    b.close(s_uses_sdk);
+    b.open(s_application, &[(a_hascode, val::TYPE_INT_BOOL, 0, -1)]);
+    b.open(
+        s_activity,
+        &[
+            (a_name, val::TYPE_STRING, v_activity, v_activity as i32),
+            (a_exported, val::TYPE_INT_BOOL, 0xFFFF_FFFF, -1),
+        ],
+    );
+    let s_intent_filter = b.intern("intent-filter");
+    let s_action = b.intern("action");
+    let s_category = b.intern("category");
+    let v_action_main = b.intern("android.intent.action.MAIN");
+    let v_cat_launcher = b.intern("android.intent.category.LAUNCHER");
+    b.open(s_intent_filter, &[]);
+    b.open(s_action, &[(a_name, val::TYPE_STRING, v_action_main, v_action_main as i32)]);
+    b.close(s_action);
+    b.open(s_category, &[(a_name, val::TYPE_STRING, v_cat_launcher, v_cat_launcher as i32)]);
+    b.close(s_category);
+    b.close(s_intent_filter);
+    b.close(s_activity);
+    b.close(s_application);
+    b.close(s_manifest);
+    b.end();
+    b.finish(&resmap)
+}
+
+fn main() {
+    let manifest = build_manifest();
+
+    let mut z = zip::Zip::new();
+    z.add_deflated("AndroidManifest.xml", manifest);
+    let apk_unsigned = z.finish();
+
+    let apk = sign_v2::add_v2_signature(&apk_unsigned);
+
+    std::fs::create_dir_all("out").expect("create out dir");
+    let path = "out/app.apk";
+    std::fs::write(path, &apk).expect("write apk");
+
+    println!("{} ({} bytes)", path, apk.len());
+    println!("adb install -r {}", path);
+    println!("adb shell am start -n android.app/.Activity");
+}