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virtualx-engine/platform/android/java_godot_wrapper.cpp
Fabio Alessandrelli 6fd9982358 [TLS] Add support for platform-specific CA bundles. 
Adds a new OS::get_system_ca_certs method which can be implemented by
platforms to retrieve the list of trusted CA certificates using OS
specific APIs.

The function should return the certificates in PEM format, and is
currently implemented for Windows/macOS/LinuxBSD(*)/Android.

mbedTLS will fall back to bundled certificates when the OS returns no
certificates.

(*) LinuxBSD does not have a standardized certificates store location.
    The current implementation will test for common locations and may
    return an empty string on some distributions (falling back to the
    bundled certificates).
2023-05-12 09:58:23 +02:00

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/**************************************************************************/
/* java_godot_wrapper.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "java_godot_wrapper.h"
// JNIEnv is only valid within the thread it belongs to, in a multi threading environment
// we can't cache it.
// For Godot we call most access methods from our thread and we thus get a valid JNIEnv
// from get_jni_env(). For one or two we expect to pass the environment
// TODO we could probably create a base class for this...
GodotJavaWrapper::GodotJavaWrapper(JNIEnv *p_env, jobject p_activity, jobject p_godot_instance) {
godot_instance = p_env->NewGlobalRef(p_godot_instance);
activity = p_env->NewGlobalRef(p_activity);
// get info about our Godot class so we can get pointers and stuff...
godot_class = p_env->FindClass("org/godotengine/godot/Godot");
if (godot_class) {
godot_class = (jclass)p_env->NewGlobalRef(godot_class);
} else {
// this is a pretty serious fail.. bail... pointers will stay 0
return;
}
activity_class = p_env->FindClass("android/app/Activity");
if (activity_class) {
activity_class = (jclass)p_env->NewGlobalRef(activity_class);
} else {
// this is a pretty serious fail.. bail... pointers will stay 0
return;
}
// get some Godot method pointers...
_on_video_init = p_env->GetMethodID(godot_class, "onVideoInit", "()Z");
_restart = p_env->GetMethodID(godot_class, "restart", "()V");
_finish = p_env->GetMethodID(godot_class, "forceQuit", "(I)Z");
_set_keep_screen_on = p_env->GetMethodID(godot_class, "setKeepScreenOn", "(Z)V");
_alert = p_env->GetMethodID(godot_class, "alert", "(Ljava/lang/String;Ljava/lang/String;)V");
_get_GLES_version_code = p_env->GetMethodID(godot_class, "getGLESVersionCode", "()I");
_get_clipboard = p_env->GetMethodID(godot_class, "getClipboard", "()Ljava/lang/String;");
_set_clipboard = p_env->GetMethodID(godot_class, "setClipboard", "(Ljava/lang/String;)V");
_has_clipboard = p_env->GetMethodID(godot_class, "hasClipboard", "()Z");
_request_permission = p_env->GetMethodID(godot_class, "requestPermission", "(Ljava/lang/String;)Z");
_request_permissions = p_env->GetMethodID(godot_class, "requestPermissions", "()Z");
_get_granted_permissions = p_env->GetMethodID(godot_class, "getGrantedPermissions", "()[Ljava/lang/String;");
_get_ca_certificates = p_env->GetMethodID(godot_class, "getCACertificates", "()Ljava/lang/String;");
_init_input_devices = p_env->GetMethodID(godot_class, "initInputDevices", "()V");
_get_surface = p_env->GetMethodID(godot_class, "getSurface", "()Landroid/view/Surface;");
_is_activity_resumed = p_env->GetMethodID(godot_class, "isActivityResumed", "()Z");
_vibrate = p_env->GetMethodID(godot_class, "vibrate", "(I)V");
_get_input_fallback_mapping = p_env->GetMethodID(godot_class, "getInputFallbackMapping", "()Ljava/lang/String;");
_on_godot_setup_completed = p_env->GetMethodID(godot_class, "onGodotSetupCompleted", "()V");
_on_godot_main_loop_started = p_env->GetMethodID(godot_class, "onGodotMainLoopStarted", "()V");
_create_new_godot_instance = p_env->GetMethodID(godot_class, "createNewGodotInstance", "([Ljava/lang/String;)I");
_get_render_view = p_env->GetMethodID(godot_class, "getRenderView", "()Lorg/godotengine/godot/GodotRenderView;");
// get some Activity method pointers...
_get_class_loader = p_env->GetMethodID(activity_class, "getClassLoader", "()Ljava/lang/ClassLoader;");
}
GodotJavaWrapper::~GodotJavaWrapper() {
if (godot_view) {
delete godot_view;
}
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL(env);
env->DeleteGlobalRef(godot_instance);
env->DeleteGlobalRef(godot_class);
env->DeleteGlobalRef(activity);
env->DeleteGlobalRef(activity_class);
}
jobject GodotJavaWrapper::get_activity() {
return activity;
}
jobject GodotJavaWrapper::get_member_object(const char *p_name, const char *p_class, JNIEnv *p_env) {
if (godot_class) {
if (p_env == nullptr) {
p_env = get_jni_env();
}
ERR_FAIL_NULL_V(p_env, nullptr);
jfieldID fid = p_env->GetStaticFieldID(godot_class, p_name, p_class);
return p_env->GetStaticObjectField(godot_class, fid);
} else {
return nullptr;
}
}
jobject GodotJavaWrapper::get_class_loader() {
if (_get_class_loader) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, nullptr);
return env->CallObjectMethod(activity, _get_class_loader);
} else {
return nullptr;
}
}
GodotJavaViewWrapper *GodotJavaWrapper::get_godot_view() {
if (godot_view != nullptr) {
return godot_view;
}
if (_get_render_view) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, nullptr);
jobject godot_render_view = env->CallObjectMethod(godot_instance, _get_render_view);
if (!env->IsSameObject(godot_render_view, nullptr)) {
godot_view = new GodotJavaViewWrapper(godot_render_view);
}
}
return godot_view;
}
bool GodotJavaWrapper::on_video_init(JNIEnv *p_env) {
if (_on_video_init) {
if (p_env == nullptr) {
p_env = get_jni_env();
}
ERR_FAIL_NULL_V(p_env, false);
return p_env->CallBooleanMethod(godot_instance, _on_video_init);
}
return false;
}
void GodotJavaWrapper::on_godot_setup_completed(JNIEnv *p_env) {
if (_on_godot_setup_completed) {
if (p_env == nullptr) {
p_env = get_jni_env();
}
p_env->CallVoidMethod(godot_instance, _on_godot_setup_completed);
}
}
void GodotJavaWrapper::on_godot_main_loop_started(JNIEnv *p_env) {
if (_on_godot_main_loop_started) {
if (p_env == nullptr) {
p_env = get_jni_env();
}
ERR_FAIL_NULL(p_env);
p_env->CallVoidMethod(godot_instance, _on_godot_main_loop_started);
}
}
void GodotJavaWrapper::restart(JNIEnv *p_env) {
if (_restart) {
if (p_env == nullptr) {
p_env = get_jni_env();
}
ERR_FAIL_NULL(p_env);
p_env->CallVoidMethod(godot_instance, _restart);
}
}
bool GodotJavaWrapper::force_quit(JNIEnv *p_env, int p_instance_id) {
if (_finish) {
if (p_env == nullptr) {
p_env = get_jni_env();
}
ERR_FAIL_NULL_V(p_env, false);
return p_env->CallBooleanMethod(godot_instance, _finish, p_instance_id);
}
return false;
}
void GodotJavaWrapper::set_keep_screen_on(bool p_enabled) {
if (_set_keep_screen_on) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL(env);
env->CallVoidMethod(godot_instance, _set_keep_screen_on, p_enabled);
}
}
void GodotJavaWrapper::alert(const String &p_message, const String &p_title) {
if (_alert) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL(env);
jstring jStrMessage = env->NewStringUTF(p_message.utf8().get_data());
jstring jStrTitle = env->NewStringUTF(p_title.utf8().get_data());
env->CallVoidMethod(godot_instance, _alert, jStrMessage, jStrTitle);
}
}
int GodotJavaWrapper::get_gles_version_code() {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, 0);
if (_get_GLES_version_code) {
return env->CallIntMethod(godot_instance, _get_GLES_version_code);
}
return 0;
}
bool GodotJavaWrapper::has_get_clipboard() {
return _get_clipboard != nullptr;
}
String GodotJavaWrapper::get_clipboard() {
if (_get_clipboard) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, String());
jstring s = (jstring)env->CallObjectMethod(godot_instance, _get_clipboard);
return jstring_to_string(s, env);
} else {
return String();
}
}
String GodotJavaWrapper::get_input_fallback_mapping() {
if (_get_input_fallback_mapping) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, String());
jstring fallback_mapping = (jstring)env->CallObjectMethod(godot_instance, _get_input_fallback_mapping);
return jstring_to_string(fallback_mapping, env);
} else {
return String();
}
}
bool GodotJavaWrapper::has_set_clipboard() {
return _set_clipboard != nullptr;
}
void GodotJavaWrapper::set_clipboard(const String &p_text) {
if (_set_clipboard) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL(env);
jstring jStr = env->NewStringUTF(p_text.utf8().get_data());
env->CallVoidMethod(godot_instance, _set_clipboard, jStr);
}
}
bool GodotJavaWrapper::has_has_clipboard() {
return _has_clipboard != nullptr;
}
bool GodotJavaWrapper::has_clipboard() {
if (_has_clipboard) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, false);
return env->CallBooleanMethod(godot_instance, _has_clipboard);
} else {
return false;
}
}
bool GodotJavaWrapper::request_permission(const String &p_name) {
if (_request_permission) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, false);
jstring jStrName = env->NewStringUTF(p_name.utf8().get_data());
return env->CallBooleanMethod(godot_instance, _request_permission, jStrName);
} else {
return false;
}
}
bool GodotJavaWrapper::request_permissions() {
if (_request_permissions) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, false);
return env->CallBooleanMethod(godot_instance, _request_permissions);
} else {
return false;
}
}
Vector<String> GodotJavaWrapper::get_granted_permissions() const {
Vector<String> permissions_list;
if (_get_granted_permissions) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, permissions_list);
jobject permissions_object = env->CallObjectMethod(godot_instance, _get_granted_permissions);
jobjectArray *arr = reinterpret_cast<jobjectArray *>(&permissions_object);
jsize len = env->GetArrayLength(*arr);
for (int i = 0; i < len; i++) {
jstring jstr = (jstring)env->GetObjectArrayElement(*arr, i);
String str = jstring_to_string(jstr, env);
permissions_list.push_back(str);
env->DeleteLocalRef(jstr);
}
}
return permissions_list;
}
String GodotJavaWrapper::get_ca_certificates() const {
if (_get_ca_certificates) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, String());
jstring s = (jstring)env->CallObjectMethod(godot_instance, _get_ca_certificates);
return jstring_to_string(s, env);
} else {
return String();
}
}
void GodotJavaWrapper::init_input_devices() {
if (_init_input_devices) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL(env);
env->CallVoidMethod(godot_instance, _init_input_devices);
}
}
jobject GodotJavaWrapper::get_surface() {
if (_get_surface) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, nullptr);
return env->CallObjectMethod(godot_instance, _get_surface);
} else {
return nullptr;
}
}
bool GodotJavaWrapper::is_activity_resumed() {
if (_is_activity_resumed) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, false);
return env->CallBooleanMethod(godot_instance, _is_activity_resumed);
} else {
return false;
}
}
void GodotJavaWrapper::vibrate(int p_duration_ms) {
if (_vibrate) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL(env);
env->CallVoidMethod(godot_instance, _vibrate, p_duration_ms);
}
}
int GodotJavaWrapper::create_new_godot_instance(List<String> args) {
if (_create_new_godot_instance) {
JNIEnv *env = get_jni_env();
ERR_FAIL_NULL_V(env, 0);
jobjectArray jargs = env->NewObjectArray(args.size(), env->FindClass("java/lang/String"), env->NewStringUTF(""));
for (int i = 0; i < args.size(); i++) {
env->SetObjectArrayElement(jargs, i, env->NewStringUTF(args[i].utf8().get_data()));
}
return env->CallIntMethod(godot_instance, _create_new_godot_instance, jargs);
} else {
return 0;
}
}
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