summaryrefslogtreecommitdiff
path: root/platform/uwp/export/app_packager.h
blob: a32b78bf04eb55b6cd72950925f2aa2a07314721 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
/*************************************************************************/
/*  app_packager.h                                                       */
/*************************************************************************/
/*                       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.                */
/*************************************************************************/

#ifndef UWP_APP_PACKAGER_H
#define UWP_APP_PACKAGER_H

#include "core/config/project_settings.h"
#include "core/core_bind.h"
#include "core/crypto/crypto_core.h"
#include "core/io/dir_access.h"
#include "core/io/file_access.h"
#include "core/io/marshalls.h"
#include "core/io/zip_io.h"
#include "core/object/class_db.h"
#include "core/version.h"
#include "editor/editor_export.h"

#include "thirdparty/minizip/unzip.h"
#include "thirdparty/minizip/zip.h"

#include <zlib.h>

class AppxPackager {
	enum {
		FILE_HEADER_MAGIC = 0x04034b50,
		DATA_DESCRIPTOR_MAGIC = 0x08074b50,
		CENTRAL_DIR_MAGIC = 0x02014b50,
		END_OF_CENTRAL_DIR_MAGIC = 0x06054b50,
		ZIP64_END_OF_CENTRAL_DIR_MAGIC = 0x06064b50,
		ZIP64_END_DIR_LOCATOR_MAGIC = 0x07064b50,
		P7X_SIGNATURE = 0x58434b50,
		ZIP64_HEADER_ID = 0x0001,
		ZIP_VERSION = 20,
		ZIP_ARCHIVE_VERSION = 45,
		GENERAL_PURPOSE = 0x00,
		BASE_FILE_HEADER_SIZE = 30,
		DATA_DESCRIPTOR_SIZE = 24,
		BASE_CENTRAL_DIR_SIZE = 46,
		EXTRA_FIELD_LENGTH = 28,
		ZIP64_HEADER_SIZE = 24,
		ZIP64_END_OF_CENTRAL_DIR_SIZE = (56 - 12),
		END_OF_CENTRAL_DIR_SIZE = 42,
		BLOCK_SIZE = 65536,
	};

	struct BlockHash {
		String base64_hash;
		size_t compressed_size = 0;
	};

	struct FileMeta {
		String name;
		int lfh_size = 0;
		bool compressed = false;
		size_t compressed_size = 0;
		size_t uncompressed_size = 0;
		Vector<BlockHash> hashes;
		uLong file_crc32 = 0;
		ZPOS64_T zip_offset = 0;
	};

	String progress_task;
	Ref<FileAccess> package;

	Set<String> mime_types;

	Vector<FileMeta> file_metadata;

	ZPOS64_T central_dir_offset;
	ZPOS64_T end_of_central_dir_offset;
	Vector<uint8_t> central_dir_data;

	String hash_block(const uint8_t *p_block_data, size_t p_block_len);

	void make_block_map(const String &p_path);
	void make_content_types(const String &p_path);

	_FORCE_INLINE_ unsigned int buf_put_int16(uint16_t p_val, uint8_t *p_buf) {
		for (int i = 0; i < 2; i++) {
			*p_buf++ = (p_val >> (i * 8)) & 0xFF;
		}
		return 2;
	}

	_FORCE_INLINE_ unsigned int buf_put_int32(uint32_t p_val, uint8_t *p_buf) {
		for (int i = 0; i < 4; i++) {
			*p_buf++ = (p_val >> (i * 8)) & 0xFF;
		}
		return 4;
	}

	_FORCE_INLINE_ unsigned int buf_put_int64(uint64_t p_val, uint8_t *p_buf) {
		for (int i = 0; i < 8; i++) {
			*p_buf++ = (p_val >> (i * 8)) & 0xFF;
		}
		return 8;
	}

	_FORCE_INLINE_ unsigned int buf_put_string(String p_val, uint8_t *p_buf) {
		for (int i = 0; i < p_val.length(); i++) {
			*p_buf++ = p_val.utf8().get(i);
		}
		return p_val.length();
	}

	Vector<uint8_t> make_file_header(FileMeta p_file_meta);
	void store_central_dir_header(const FileMeta &p_file, bool p_do_hash = true);
	Vector<uint8_t> make_end_of_central_record();

	String content_type(String p_extension);

public:
	void set_progress_task(String p_task) { progress_task = p_task; }
	void init(Ref<FileAccess> p_fa);
	Error add_file(String p_file_name, const uint8_t *p_buffer, size_t p_len, int p_file_no, int p_total_files, bool p_compress = false);
	void finish();

	AppxPackager();
	~AppxPackager();
};

#endif