Merge pull request #65023 from Faless/js/4.x_is_web

1 files changed, 157 insertions, 0 deletions

diff --git a/platform/web/api/web_tools_editor_plugin.cpp b/platform/web/api/web_tools_editor_plugin.cpp
new file mode 100644
index 0000000000..6f684a73c2
--- /dev/null
+++ b/platform/web/api/web_tools_editor_plugin.cpp
@@ -0,0 +1,157 @@
+/*************************************************************************/
+/*  web_tools_editor_plugin.cpp                                          */
+/*************************************************************************/
+/*                       This file is part of:                           */
+/*                           GODOT ENGINE                                */
+/*                      https://godotengine.org                          */
+/*************************************************************************/
+/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur.                 */
+/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md).   */
+/*                                                                       */
+/* 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.                */
+/*************************************************************************/
+
+#if defined(TOOLS_ENABLED) && defined(WEB_ENABLED)
+#include "web_tools_editor_plugin.h"
+
+#include "core/config/engine.h"
+#include "core/config/project_settings.h"
+#include "core/io/dir_access.h"
+#include "core/io/file_access.h"
+#include "core/os/time.h"
+#include "editor/editor_node.h"
+
+#include <emscripten/emscripten.h>
+
+// Web functions defined in library_godot_editor_tools.js
+extern "C" {
+extern void godot_js_os_download_buffer(const uint8_t *p_buf, int p_buf_size, const char *p_name, const char *p_mime);
+}
+
+static void _web_editor_init_callback() {
+	EditorNode::get_singleton()->add_editor_plugin(memnew(WebToolsEditorPlugin));
+}
+
+void WebToolsEditorPlugin::initialize() {
+	EditorNode::add_init_callback(_web_editor_init_callback);
+}
+
+WebToolsEditorPlugin::WebToolsEditorPlugin() {
+	add_tool_menu_item("Download Project Source", callable_mp(this, &WebToolsEditorPlugin::_download_zip));
+}
+
+void WebToolsEditorPlugin::_download_zip(Variant p_v) {
+	if (!Engine::get_singleton() || !Engine::get_singleton()->is_editor_hint()) {
+		ERR_PRINT("Downloading the project as a ZIP archive is only available in Editor mode.");
+		return;
+	}
+	String resource_path = ProjectSettings::get_singleton()->get_resource_path();
+
+	Ref<FileAccess> io_fa;
+	zlib_filefunc_def io = zipio_create_io(&io_fa);
+
+	// Name the downloaded ZIP file to contain the project name and download date for easier organization.
+	// Replace characters not allowed (or risky) in Windows file names with safe characters.
+	// In the project name, all invalid characters become an empty string so that a name
+	// like "Platformer 2: Godette's Revenge" becomes "platformer_2-_godette-s_revenge".
+	const String project_name = GLOBAL_GET("application/config/name");
+	const String project_name_safe = project_name.to_lower().replace(" ", "_");
+	const String datetime_safe =
+			Time::get_singleton()->get_datetime_string_from_system(false, true).replace(" ", "_");
+	const String output_name = OS::get_singleton()->get_safe_dir_name(vformat("%s_%s.zip"));
+	const String output_path = String("/tmp").plus_file(output_name);
+
+	zipFile zip = zipOpen2(output_path.utf8().get_data(), APPEND_STATUS_CREATE, nullptr, &io);
+	const String base_path = resource_path.substr(0, resource_path.rfind("/")) + "/";
+	_zip_recursive(resource_path, base_path, zip);
+	zipClose(zip, nullptr);
+	{
+		Ref<FileAccess> f = FileAccess::open(output_path, FileAccess::READ);
+		ERR_FAIL_COND_MSG(f.is_null(), "Unable to create ZIP file.");
+		Vector<uint8_t> buf;
+		buf.resize(f->get_length());
+		f->get_buffer(buf.ptrw(), buf.size());
+		godot_js_os_download_buffer(buf.ptr(), buf.size(), output_name.utf8().get_data(), "application/zip");
+	}
+
+	// Remove the temporary file since it was sent to the user's native filesystem as a download.
+	DirAccess::remove_file_or_error(output_path);
+}
+
+void WebToolsEditorPlugin::_zip_file(String p_path, String p_base_path, zipFile p_zip) {
+	Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ);
+	if (f.is_null()) {
+		WARN_PRINT("Unable to open file for zipping: " + p_path);
+		return;
+	}
+	Vector<uint8_t> data;
+	uint64_t len = f->get_length();
+	data.resize(len);
+	f->get_buffer(data.ptrw(), len);
+
+	String path = p_path.replace_first(p_base_path, "");
+	zipOpenNewFileInZip(p_zip,
+			path.utf8().get_data(),
+			nullptr,
+			nullptr,
+			0,
+			nullptr,
+			0,
+			nullptr,
+			Z_DEFLATED,
+			Z_DEFAULT_COMPRESSION);
+	zipWriteInFileInZip(p_zip, data.ptr(), data.size());
+	zipCloseFileInZip(p_zip);
+}
+
+void WebToolsEditorPlugin::_zip_recursive(String p_path, String p_base_path, zipFile p_zip) {
+	Ref<DirAccess> dir = DirAccess::open(p_path);
+	if (dir.is_null()) {
+		WARN_PRINT("Unable to open directory for zipping: " + p_path);
+		return;
+	}
+	dir->list_dir_begin();
+	String cur = dir->get_next();
+	String project_data_dir_name = ProjectSettings::get_singleton()->get_project_data_dir_name();
+	while (!cur.is_empty()) {
+		String cs = p_path.plus_file(cur);
+		if (cur == "." || cur == ".." || cur == project_data_dir_name) {
+			// Skip
+		} else if (dir->current_is_dir()) {
+			String path = cs.replace_first(p_base_path, "") + "/";
+			zipOpenNewFileInZip(p_zip,
+					path.utf8().get_data(),
+					nullptr,
+					nullptr,
+					0,
+					nullptr,
+					0,
+					nullptr,
+					Z_DEFLATED,
+					Z_DEFAULT_COMPRESSION);
+			zipCloseFileInZip(p_zip);
+			_zip_recursive(cs, p_base_path, p_zip);
+		} else {
+			_zip_file(cs, p_base_path, p_zip);
+		}
+		cur = dir->get_next();
+	}
+}
+#endif