24e3b3b88d
This was done by refactoring directory and file access handling for the Android platform so that any general filesystem access type go through the Android layer. This allows us to validate whether the access is unrestricted, or whether it falls under scoped storage and thus act appropriately.
326 lines
10 KiB
C++
326 lines
10 KiB
C++
/*************************************************************************/
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/* dir_access_jandroid.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "dir_access_jandroid.h"
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#include "core/print_string.h"
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#include "string_android.h"
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#include "thread_jandroid.h"
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jobject DirAccessJAndroid::dir_access_handler = nullptr;
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jclass DirAccessJAndroid::cls = nullptr;
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jmethodID DirAccessJAndroid::_dir_open = nullptr;
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jmethodID DirAccessJAndroid::_dir_next = nullptr;
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jmethodID DirAccessJAndroid::_dir_close = nullptr;
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jmethodID DirAccessJAndroid::_dir_is_dir = nullptr;
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jmethodID DirAccessJAndroid::_dir_exists = nullptr;
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jmethodID DirAccessJAndroid::_file_exists = nullptr;
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jmethodID DirAccessJAndroid::_get_drive_count = nullptr;
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jmethodID DirAccessJAndroid::_get_drive = nullptr;
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jmethodID DirAccessJAndroid::_make_dir = nullptr;
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jmethodID DirAccessJAndroid::_get_space_left = nullptr;
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jmethodID DirAccessJAndroid::_rename = nullptr;
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jmethodID DirAccessJAndroid::_remove = nullptr;
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jmethodID DirAccessJAndroid::_current_is_hidden = nullptr;
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Error DirAccessJAndroid::list_dir_begin() {
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list_dir_end();
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int res = dir_open(current_dir);
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if (res <= 0) {
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return ERR_CANT_OPEN;
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}
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id = res;
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return OK;
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}
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String DirAccessJAndroid::get_next() {
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ERR_FAIL_COND_V(id == 0, "");
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if (_dir_next) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, "");
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jstring str = (jstring)env->CallObjectMethod(dir_access_handler, _dir_next, get_access_type(), id);
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if (!str) {
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return "";
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}
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String ret = jstring_to_string((jstring)str, env);
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env->DeleteLocalRef((jobject)str);
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return ret;
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} else {
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return "";
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}
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}
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bool DirAccessJAndroid::current_is_dir() const {
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if (_dir_is_dir) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, false);
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return env->CallBooleanMethod(dir_access_handler, _dir_is_dir, get_access_type(), id);
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} else {
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return false;
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}
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}
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bool DirAccessJAndroid::current_is_hidden() const {
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if (_current_is_hidden) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, false);
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return env->CallBooleanMethod(dir_access_handler, _current_is_hidden, get_access_type(), id);
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}
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return false;
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}
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void DirAccessJAndroid::list_dir_end() {
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if (id == 0) {
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return;
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}
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dir_close(id);
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id = 0;
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}
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int DirAccessJAndroid::get_drive_count() {
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if (_get_drive_count) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, 0);
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return env->CallIntMethod(dir_access_handler, _get_drive_count, get_access_type());
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} else {
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return 0;
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}
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}
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String DirAccessJAndroid::get_drive(int p_drive) {
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if (_get_drive) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, "");
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jstring j_drive = (jstring)env->CallObjectMethod(dir_access_handler, _get_drive, get_access_type(), p_drive);
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if (!j_drive) {
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return "";
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}
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String drive = jstring_to_string(j_drive, env);
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env->DeleteLocalRef(j_drive);
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return drive;
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} else {
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return "";
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}
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}
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Error DirAccessJAndroid::change_dir(String p_dir) {
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String new_dir = get_absolute_path(p_dir);
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if (new_dir == current_dir) {
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return OK;
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}
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if (!dir_exists(new_dir)) {
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return ERR_INVALID_PARAMETER;
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}
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current_dir = new_dir;
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return OK;
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}
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String DirAccessJAndroid::get_absolute_path(String p_path) {
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if (current_dir != "" && p_path == current_dir) {
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return current_dir;
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}
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if (p_path.is_rel_path()) {
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p_path = get_current_dir().plus_file(p_path);
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}
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p_path = fix_path(p_path);
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p_path = p_path.simplify_path();
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return p_path;
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}
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bool DirAccessJAndroid::file_exists(String p_file) {
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if (_file_exists) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, false);
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String path = get_absolute_path(p_file);
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jstring j_path = env->NewStringUTF(path.utf8().get_data());
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bool result = env->CallBooleanMethod(dir_access_handler, _file_exists, get_access_type(), j_path);
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env->DeleteLocalRef(j_path);
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return result;
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} else {
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return false;
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}
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}
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bool DirAccessJAndroid::dir_exists(String p_dir) {
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if (_dir_exists) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, false);
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String path = get_absolute_path(p_dir);
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jstring j_path = env->NewStringUTF(path.utf8().get_data());
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bool result = env->CallBooleanMethod(dir_access_handler, _dir_exists, get_access_type(), j_path);
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env->DeleteLocalRef(j_path);
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return result;
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} else {
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return false;
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}
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}
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Error DirAccessJAndroid::make_dir_recursive(String p_dir) {
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// Check if the directory exists already
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if (dir_exists(p_dir)) {
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return ERR_ALREADY_EXISTS;
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}
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if (_make_dir) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, ERR_UNCONFIGURED);
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String path = get_absolute_path(p_dir);
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jstring j_dir = env->NewStringUTF(path.utf8().get_data());
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bool result = env->CallBooleanMethod(dir_access_handler, _make_dir, get_access_type(), j_dir);
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env->DeleteLocalRef(j_dir);
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if (result) {
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return OK;
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} else {
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return FAILED;
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}
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} else {
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return ERR_UNCONFIGURED;
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}
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}
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Error DirAccessJAndroid::make_dir(String p_dir) {
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return make_dir_recursive(p_dir);
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}
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Error DirAccessJAndroid::rename(String p_from, String p_to) {
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if (_rename) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, ERR_UNCONFIGURED);
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String from_path = get_absolute_path(p_from);
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jstring j_from = env->NewStringUTF(from_path.utf8().get_data());
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String to_path = get_absolute_path(p_to);
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jstring j_to = env->NewStringUTF(to_path.utf8().get_data());
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bool result = env->CallBooleanMethod(dir_access_handler, _rename, get_access_type(), j_from, j_to);
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env->DeleteLocalRef(j_from);
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env->DeleteLocalRef(j_to);
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if (result) {
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return OK;
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} else {
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return FAILED;
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}
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} else {
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return ERR_UNCONFIGURED;
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}
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}
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Error DirAccessJAndroid::remove(String p_name) {
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if (_remove) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, ERR_UNCONFIGURED);
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String path = get_absolute_path(p_name);
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jstring j_name = env->NewStringUTF(path.utf8().get_data());
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bool result = env->CallBooleanMethod(dir_access_handler, _remove, get_access_type(), j_name);
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env->DeleteLocalRef(j_name);
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if (result) {
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return OK;
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} else {
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return FAILED;
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}
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} else {
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return ERR_UNCONFIGURED;
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}
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}
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uint64_t DirAccessJAndroid::get_space_left() {
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if (_get_space_left) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, 0);
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return env->CallLongMethod(dir_access_handler, _get_space_left, get_access_type());
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} else {
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return 0;
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}
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}
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void DirAccessJAndroid::setup(jobject p_dir_access_handler) {
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JNIEnv *env = get_jni_env();
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dir_access_handler = env->NewGlobalRef(p_dir_access_handler);
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jclass c = env->GetObjectClass(dir_access_handler);
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cls = (jclass)env->NewGlobalRef(c);
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_dir_open = env->GetMethodID(cls, "dirOpen", "(ILjava/lang/String;)I");
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_dir_next = env->GetMethodID(cls, "dirNext", "(II)Ljava/lang/String;");
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_dir_close = env->GetMethodID(cls, "dirClose", "(II)V");
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_dir_is_dir = env->GetMethodID(cls, "dirIsDir", "(II)Z");
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_dir_exists = env->GetMethodID(cls, "dirExists", "(ILjava/lang/String;)Z");
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_file_exists = env->GetMethodID(cls, "fileExists", "(ILjava/lang/String;)Z");
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_get_drive_count = env->GetMethodID(cls, "getDriveCount", "(I)I");
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_get_drive = env->GetMethodID(cls, "getDrive", "(II)Ljava/lang/String;");
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_make_dir = env->GetMethodID(cls, "makeDir", "(ILjava/lang/String;)Z");
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_get_space_left = env->GetMethodID(cls, "getSpaceLeft", "(I)J");
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_rename = env->GetMethodID(cls, "rename", "(ILjava/lang/String;Ljava/lang/String;)Z");
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_remove = env->GetMethodID(cls, "remove", "(ILjava/lang/String;)Z");
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_current_is_hidden = env->GetMethodID(cls, "isCurrentHidden", "(II)Z");
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}
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DirAccessJAndroid::DirAccessJAndroid() {
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}
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DirAccessJAndroid::~DirAccessJAndroid() {
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list_dir_end();
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}
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int DirAccessJAndroid::dir_open(String p_path) {
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if (_dir_open) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND_V(env == nullptr, 0);
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String path = get_absolute_path(p_path);
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jstring js = env->NewStringUTF(path.utf8().get_data());
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int dirId = env->CallIntMethod(dir_access_handler, _dir_open, get_access_type(), js);
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env->DeleteLocalRef(js);
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return dirId;
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} else {
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return 0;
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}
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}
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void DirAccessJAndroid::dir_close(int p_id) {
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if (_dir_close) {
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JNIEnv *env = get_jni_env();
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ERR_FAIL_COND(env == nullptr);
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env->CallVoidMethod(dir_access_handler, _dir_close, get_access_type(), p_id);
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}
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}
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