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Adds PCK encryption support (using script encryption key for export). 

Change default encryption mode from ECB to CFB.
This commit is contained in:
bruvzg 2020-04-28 20:51:29 +03:00
parent 52f6ac81be
commit f043eabdd8
No known key found for this signature in database
GPG Key ID: FCED35F1CECE0D3A
18 changed files with 692 additions and 151 deletions
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22
core/crypto/crypto_core.cpp
View File

@ -140,21 +140,33 @@ Error CryptoCore::AESContext::encrypt_ecb(const uint8_t p_src[16], uint8_t r_dst
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::decrypt_ecb(const uint8_t p_src[16], uint8_t r_dst[16]) {
int ret = mbedtls_aes_crypt_ecb((mbedtls_aes_context *)ctx, MBEDTLS_AES_DECRYPT, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::encrypt_cbc(size_t p_length, uint8_t r_iv[16], const uint8_t *p_src, uint8_t *r_dst) {
int ret = mbedtls_aes_crypt_cbc((mbedtls_aes_context *)ctx, MBEDTLS_AES_ENCRYPT, p_length, r_iv, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::encrypt_cfb(size_t p_length, uint8_t p_iv[16], const uint8_t *p_src, uint8_t *r_dst) {
size_t iv_off = 0; // Ignore and assume 16-byte alignment.
int ret = mbedtls_aes_crypt_cfb128((mbedtls_aes_context *)ctx, MBEDTLS_AES_ENCRYPT, p_length, &iv_off, p_iv, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::decrypt_ecb(const uint8_t p_src[16], uint8_t r_dst[16]) {
int ret = mbedtls_aes_crypt_ecb((mbedtls_aes_context *)ctx, MBEDTLS_AES_DECRYPT, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::decrypt_cbc(size_t p_length, uint8_t r_iv[16], const uint8_t *p_src, uint8_t *r_dst) {
int ret = mbedtls_aes_crypt_cbc((mbedtls_aes_context *)ctx, MBEDTLS_AES_DECRYPT, p_length, r_iv, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::decrypt_cfb(size_t p_length, uint8_t p_iv[16], const uint8_t *p_src, uint8_t *r_dst) {
size_t iv_off = 0; // Ignore and assume 16-byte alignment.
int ret = mbedtls_aes_crypt_cfb128((mbedtls_aes_context *)ctx, MBEDTLS_AES_DECRYPT, p_length, &iv_off, p_iv, p_src, r_dst);
return ret ? FAILED : OK;
}
// CryptoCore
String CryptoCore::b64_encode_str(const uint8_t *p_src, int p_src_len) {
int b64len = p_src_len / 3 * 4 + 4 + 1;

2
core/crypto/crypto_core.h
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@ -88,6 +88,8 @@ public:
Error decrypt_ecb(const uint8_t p_src[16], uint8_t r_dst[16]);
Error encrypt_cbc(size_t p_length, uint8_t r_iv[16], const uint8_t *p_src, uint8_t *r_dst);
Error decrypt_cbc(size_t p_length, uint8_t r_iv[16], const uint8_t *p_src, uint8_t *r_dst);
Error encrypt_cfb(size_t p_length, uint8_t p_iv[16], const uint8_t *p_src, uint8_t *r_dst);
Error decrypt_cfb(size_t p_length, uint8_t p_iv[16], const uint8_t *p_src, uint8_t *r_dst);
};
static String b64_encode_str(const uint8_t *p_src, int p_src_len);

73
core/io/file_access_encrypted.cpp
View File

@ -37,52 +37,54 @@
#include <stdio.h>
#define COMP_MAGIC 0x43454447
Error FileAccessEncrypted::open_and_parse(FileAccess *p_base, const Vector<uint8_t> &p_key, Mode p_mode) {
Error FileAccessEncrypted::open_and_parse(FileAccess *p_base, const Vector<uint8_t> &p_key, Mode p_mode, bool p_with_magic) {
ERR_FAIL_COND_V_MSG(file != nullptr, ERR_ALREADY_IN_USE, "Can't open file while another file from path '" + file->get_path_absolute() + "' is open.");
ERR_FAIL_COND_V(p_key.size() != 32, ERR_INVALID_PARAMETER);
pos = 0;
eofed = false;
use_magic = p_with_magic;
if (p_mode == MODE_WRITE_AES256) {
data.clear();
writing = true;
file = p_base;
mode = p_mode;
key = p_key;
} else if (p_mode == MODE_READ) {
writing = false;
key = p_key;
uint32_t magic = p_base->get_32();
ERR_FAIL_COND_V(magic != COMP_MAGIC, ERR_FILE_UNRECOGNIZED);
mode = Mode(p_base->get_32());
ERR_FAIL_INDEX_V(mode, MODE_MAX, ERR_FILE_CORRUPT);
ERR_FAIL_COND_V(mode == 0, ERR_FILE_CORRUPT);
if (use_magic) {
uint32_t magic = p_base->get_32();
ERR_FAIL_COND_V(magic != ENCRYPTED_HEADER_MAGIC, ERR_FILE_UNRECOGNIZED);
}
unsigned char md5d[16];
p_base->get_buffer(md5d, 16);
length = p_base->get_64();
unsigned char iv[16];
for (int i = 0; i < 16; i++) {
iv[i] = p_base->get_8();
}
base = p_base->get_position();
ERR_FAIL_COND_V(p_base->get_len() < base + length, ERR_FILE_CORRUPT);
uint32_t ds = length;
if (ds % 16) {
ds += 16 - (ds % 16);
}
data.resize(ds);
uint32_t blen = p_base->get_buffer(data.ptrw(), ds);
ERR_FAIL_COND_V(blen != ds, ERR_FILE_CORRUPT);
CryptoCore::AESContext ctx;
ctx.set_decode_key(key.ptrw(), 256);
{
CryptoCore::AESContext ctx;
for (size_t i = 0; i < ds; i += 16) {
ctx.decrypt_ecb(&data.write[i], &data.write[i]);
ctx.set_encode_key(key.ptrw(), 256); // Due to the nature of CFB, same key schedule is used for both encryption and decryption!
ctx.decrypt_cfb(ds, iv, data.ptrw(), data.ptrw());
}
data.resize(length);
@ -119,6 +121,25 @@ void FileAccessEncrypted::close() {
return;
}
_release();
file->close();
memdelete(file);
file = nullptr;
}
void FileAccessEncrypted::release() {
if (!file) {
return;
}
_release();
file = nullptr;
}
void FileAccessEncrypted::_release() {
if (writing) {
Vector<uint8_t> compressed;
size_t len = data.size();
@ -138,27 +159,23 @@ void FileAccessEncrypted::close() {
CryptoCore::AESContext ctx;
ctx.set_encode_key(key.ptrw(), 256);
for (size_t i = 0; i < len; i += 16) {
ctx.encrypt_ecb(&compressed.write[i], &compressed.write[i]);
if (use_magic) {
file->store_32(ENCRYPTED_HEADER_MAGIC);
}
file->store_32(COMP_MAGIC);
file->store_32(mode);
file->store_buffer(hash, 16);
file->store_64(data.size());
file->store_buffer(compressed.ptr(), compressed.size());
file->close();
memdelete(file);
file = nullptr;
data.clear();
unsigned char iv[16];
for (int i = 0; i < 16; i++) {
iv[i] = Math::rand() % 256;
file->store_8(iv[i]);
}
} else {
file->close();
memdelete(file);
ctx.encrypt_cfb(len, iv, compressed.ptrw(), compressed.ptrw());
file->store_buffer(compressed.ptr(), compressed.size());
data.clear();
file = nullptr;
}
}

9
core/io/file_access_encrypted.h
View File

@ -33,6 +33,8 @@
#include "core/os/file_access.h"
#define ENCRYPTED_HEADER_MAGIC 0x43454447
class FileAccessEncrypted : public FileAccess {
public:
enum Mode {
@ -42,7 +44,6 @@ public:
};
private:
Mode mode = MODE_MAX;
Vector<uint8_t> key;
bool writing = false;
FileAccess *file = nullptr;
@ -51,13 +52,17 @@ private:
Vector<uint8_t> data;
mutable int pos = 0;
mutable bool eofed = false;
bool use_magic = true;
void _release();
public:
Error open_and_parse(FileAccess *p_base, const Vector<uint8_t> &p_key, Mode p_mode);
Error open_and_parse(FileAccess *p_base, const Vector<uint8_t> &p_key, Mode p_mode, bool p_with_magic = true);
Error open_and_parse_password(FileAccess *p_base, const String &p_key, Mode p_mode);
virtual Error _open(const String &p_path, int p_mode_flags); ///< open a file
virtual void close(); ///< close a file
virtual void release(); ///< finish and keep base file open
virtual bool is_open() const; ///< true when file is open
virtual String get_path() const; /// returns the path for the current open file

65
core/io/file_access_pack.cpp
View File

@ -30,6 +30,8 @@
#include "file_access_pack.h"
#include "core/io/file_access_encrypted.h"
#include "core/script_language.h"
#include "core/version.h"
#include <stdio.h>
@ -44,13 +46,14 @@ Error PackedData::add_pack(const String &p_path, bool p_replace_files, size_t p_
return ERR_FILE_UNRECOGNIZED;
}
void PackedData::add_path(const String &pkg_path, const String &path, uint64_t ofs, uint64_t size, const uint8_t *p_md5, PackSource *p_src, bool p_replace_files) {
void PackedData::add_path(const String &pkg_path, const String &path, uint64_t ofs, uint64_t size, const uint8_t *p_md5, PackSource *p_src, bool p_replace_files, bool p_encrypted) {
PathMD5 pmd5(path.md5_buffer());
//printf("adding path %s, %lli, %lli\n", path.utf8().get_data(), pmd5.a, pmd5.b);
bool exists = files.has(pmd5);
PackedFile pf;
pf.encrypted = p_encrypted;
pf.pack = pkg_path;
pf.offset = ofs;
pf.size = size;
@ -179,6 +182,11 @@ bool PackedSourcePCK::try_open_pack(const String &p_path, bool p_replace_files,
ERR_FAIL_V_MSG(false, "Pack created with a newer version of the engine: " + itos(ver_major) + "." + itos(ver_minor) + ".");
}
uint32_t pack_flags = f->get_32();
uint64_t file_base = f->get_64();
bool enc_directory = (pack_flags & PACK_DIR_ENCRYPTED);
for (int i = 0; i < 16; i++) {
//reserved
f->get_32();
@ -186,6 +194,30 @@ bool PackedSourcePCK::try_open_pack(const String &p_path, bool p_replace_files,
int file_count = f->get_32();
if (enc_directory) {
FileAccessEncrypted *fae = memnew(FileAccessEncrypted);
if (!fae) {
f->close();
memdelete(f);
ERR_FAIL_V_MSG(false, "Can't open encrypted pack directory.");
}
Vector<uint8_t> key;
key.resize(32);
for (int i = 0; i < key.size(); i++) {
key.write[i] = script_encryption_key[i];
}
Error err = fae->open_and_parse(f, key, FileAccessEncrypted::MODE_READ, false);
if (err) {
f->close();
memdelete(f);
memdelete(fae);
ERR_FAIL_V_MSG(false, "Can't open encrypted pack directory.");
}
f = fae;
}
for (int i = 0; i < file_count; i++) {
uint32_t sl = f->get_32();
CharString cs;
@ -196,11 +228,13 @@ bool PackedSourcePCK::try_open_pack(const String &p_path, bool p_replace_files,
String path;
path.parse_utf8(cs.ptr());
uint64_t ofs = f->get_64();
uint64_t ofs = file_base + f->get_64();
uint64_t size = f->get_64();
uint8_t md5[16];
f->get_buffer(md5, 16);
PackedData::get_singleton()->add_path(p_path, path, ofs + p_offset, size, md5, this, p_replace_files);
uint32_t flags = f->get_32();
PackedData::get_singleton()->add_path(p_path, path, ofs + p_offset, size, md5, this, p_replace_files, (flags & PACK_FILE_ENCRYPTED));
}
f->close();
@ -234,7 +268,7 @@ void FileAccessPack::seek(size_t p_position) {
eof = false;
}
f->seek(pf.offset + p_position);
f->seek(off + p_position);
pos = p_position;
}
@ -319,12 +353,35 @@ FileAccessPack::FileAccessPack(const String &p_path, const PackedData::PackedFil
ERR_FAIL_COND_MSG(!f, "Can't open pack-referenced file '" + String(pf.pack) + "'.");
f->seek(pf.offset);
off = pf.offset;
if (pf.encrypted) {
FileAccessEncrypted *fae = memnew(FileAccessEncrypted);
if (!fae) {
ERR_FAIL_MSG("Can't open encrypted pack-referenced file '" + String(pf.pack) + "'.");
}
Vector<uint8_t> key;
key.resize(32);
for (int i = 0; i < key.size(); i++) {
key.write[i] = script_encryption_key[i];
}
Error err = fae->open_and_parse(f, key, FileAccessEncrypted::MODE_READ, false);
if (err) {
memdelete(fae);
ERR_FAIL_MSG("Can't open encrypted pack-referenced file '" + String(pf.pack) + "'.");
}
f = fae;
off = 0;
}
pos = 0;
eof = false;
}
FileAccessPack::~FileAccessPack() {
if (f) {
f->close();
memdelete(f);
}
}

14
core/io/file_access_pack.h
View File

@ -40,7 +40,15 @@
// Godot's packed file magic header ("GDPC" in ASCII).
#define PACK_HEADER_MAGIC 0x43504447
// The current packed file format version number.
#define PACK_FORMAT_VERSION 1
#define PACK_FORMAT_VERSION 2
enum PackFlags {
PACK_DIR_ENCRYPTED = 1 << 0
};
enum PackFileFlags {
PACK_FILE_ENCRYPTED = 1 << 0
};
class PackSource;
@ -56,6 +64,7 @@ public:
uint64_t size;
uint8_t md5[16];
PackSource *src;
bool encrypted;
};
private:
@ -102,7 +111,7 @@ private:
public:
void add_pack_source(PackSource *p_source);
void add_path(const String &pkg_path, const String &path, uint64_t ofs, uint64_t size, const uint8_t *p_md5, PackSource *p_src, bool p_replace_files); // for PackSource
void add_path(const String &pkg_path, const String &path, uint64_t ofs, uint64_t size, const uint8_t *p_md5, PackSource *p_src, bool p_replace_files, bool p_encrypted = false); // for PackSource
void set_disabled(bool p_disabled) { disabled = p_disabled; }
_FORCE_INLINE_ bool is_disabled() const { return disabled; }
@ -135,6 +144,7 @@ class FileAccessPack : public FileAccess {
mutable size_t pos;
mutable bool eof;
uint64_t off;
FileAccess *f;
virtual Error _open(const String &p_path, int p_mode_flags);

2
core/io/file_access_zip.cpp
View File

@ -200,7 +200,7 @@ bool ZipArchive::try_open_pack(const String &p_path, bool p_replace_files, size_
files[fname] = f;
uint8_t md5[16] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
PackedData::get_singleton()->add_path(p_path, fname, 1, 0, md5, this, p_replace_files);
PackedData::get_singleton()->add_path(p_path, fname, 1, 0, md5, this, p_replace_files, false);
//printf("packed data add path %s, %s\n", p_name.utf8().get_data(), fname.utf8().get_data());
if ((i + 1) < gi.number_entry) {

197
core/io/pck_packer.cpp
View File

@ -30,36 +30,58 @@
#include "pck_packer.h"
#include "core/crypto/crypto_core.h"
#include "core/io/file_access_encrypted.h"
#include "core/io/file_access_pack.h" // PACK_HEADER_MAGIC, PACK_FORMAT_VERSION
#include "core/os/file_access.h"
#include "core/version.h"
static uint64_t _align(uint64_t p_n, int p_alignment) {
if (p_alignment == 0) {
return p_n;
static int _get_pad(int p_alignment, int p_n) {
int rest = p_n % p_alignment;
int pad = 0;
if (rest > 0) {
pad = p_alignment - rest;
}
uint64_t rest = p_n % p_alignment;
if (rest == 0) {
return p_n;
} else {
return p_n + (p_alignment - rest);
}
}
static void _pad(FileAccess *p_file, int p_bytes) {
for (int i = 0; i < p_bytes; i++) {
p_file->store_8(0);
}
return pad;
}
void PCKPacker::_bind_methods() {
ClassDB::bind_method(D_METHOD("pck_start", "pck_name", "alignment"), &PCKPacker::pck_start, DEFVAL(0));
ClassDB::bind_method(D_METHOD("add_file", "pck_path", "source_path"), &PCKPacker::add_file);
ClassDB::bind_method(D_METHOD("pck_start", "pck_name", "alignment", "key", "encrypt_directory"), &PCKPacker::pck_start, DEFVAL(0), DEFVAL(String()), DEFVAL(false));
ClassDB::bind_method(D_METHOD("add_file", "pck_path", "source_path", "encrypt"), &PCKPacker::add_file, DEFVAL(false));
ClassDB::bind_method(D_METHOD("flush", "verbose"), &PCKPacker::flush, DEFVAL(false));
}
Error PCKPacker::pck_start(const String &p_file, int p_alignment) {
Error PCKPacker::pck_start(const String &p_file, int p_alignment, const String &p_key, bool p_encrypt_directory) {
ERR_FAIL_COND_V_MSG((p_key.empty() || !p_key.is_valid_hex_number(false) || p_key.length() != 64), ERR_CANT_CREATE, "Invalid Encryption Key (must be 64 characters long).");
String _key = p_key.to_lower();
key.resize(32);
for (int i = 0; i < 32; i++) {
int v = 0;
if (i * 2 < _key.length()) {
char32_t ct = _key[i * 2];
if (ct >= '0' && ct <= '9') {
ct = ct - '0';
} else if (ct >= 'a' && ct <= 'f') {
ct = 10 + ct - 'a';
}
v |= ct << 4;
}
if (i * 2 + 1 < _key.length()) {
char32_t ct = _key[i * 2 + 1];
if (ct >= '0' && ct <= '9') {
ct = ct - '0';
} else if (ct >= 'a' && ct <= 'f') {
ct = 10 + ct - 'a';
}
v |= ct;
}
key.write[i] = v;
}
enc_dir = p_encrypt_directory;
if (file != nullptr) {
memdelete(file);
}
@ -76,16 +98,19 @@ Error PCKPacker::pck_start(const String &p_file, int p_alignment) {
file->store_32(VERSION_MINOR);
file->store_32(VERSION_PATCH);
for (int i = 0; i < 16; i++) {
file->store_32(0); // reserved
uint32_t pack_flags = 0;
if (enc_dir) {
pack_flags |= PACK_DIR_ENCRYPTED;
}
file->store_32(pack_flags); // flags
files.clear();
ofs = 0;
return OK;
}
Error PCKPacker::add_file(const String &p_file, const String &p_src) {
Error PCKPacker::add_file(const String &p_file, const String &p_src, bool p_encrypt) {
FileAccess *f = FileAccess::open(p_src, FileAccess::READ);
if (!f) {
return ERR_FILE_CANT_OPEN;
@ -94,8 +119,32 @@ Error PCKPacker::add_file(const String &p_file, const String &p_src) {
File pf;
pf.path = p_file;
pf.src_path = p_src;
pf.ofs = ofs;
pf.size = f->get_len();
pf.offset_offset = 0;
Vector<uint8_t> data = FileAccess::get_file_as_array(p_src);
{
unsigned char hash[16];
CryptoCore::md5(data.ptr(), data.size(), hash);
pf.md5.resize(16);
for (int i = 0; i < 16; i++) {
pf.md5.write[i] = hash[i];
}
}
pf.encrypted = p_encrypt;
uint64_t _size = pf.size;
if (p_encrypt) { // Add encryption overhead.
if (_size % 16) { // Pad to encryption block size.
_size += 16 - (_size % 16);
}
_size += 16; // hash
_size += 8; // data size
_size += 16; // iv
}
int pad = _get_pad(alignment, ofs + _size);
ofs = ofs + _size + pad;
files.push_back(pf);
@ -108,27 +157,64 @@ Error PCKPacker::add_file(const String &p_file, const String &p_src) {
Error PCKPacker::flush(bool p_verbose) {
ERR_FAIL_COND_V_MSG(!file, ERR_INVALID_PARAMETER, "File must be opened before use.");
// write the index
int64_t file_base_ofs = file->get_position();
file->store_64(0); // files base
file->store_32(files.size());
for (int i = 0; i < files.size(); i++) {
file->store_pascal_string(files[i].path);
files.write[i].offset_offset = file->get_position();
file->store_64(0); // offset
file->store_64(files[i].size); // size
// # empty md5
file->store_32(0);
file->store_32(0);
file->store_32(0);
file->store_32(0);
for (int i = 0; i < 16; i++) {
file->store_32(0); // reserved
}
uint64_t ofs = file->get_position();
ofs = _align(ofs, alignment);
// write the index
file->store_32(files.size());
_pad(file, ofs - file->get_position());
FileAccessEncrypted *fae = nullptr;
FileAccess *fhead = file;
if (enc_dir) {
fae = memnew(FileAccessEncrypted);
ERR_FAIL_COND_V(!fae, ERR_CANT_CREATE);
Error err = fae->open_and_parse(file, key, FileAccessEncrypted::MODE_WRITE_AES256, false);
ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
fhead = fae;
}
for (int i = 0; i < files.size(); i++) {
int string_len = files[i].path.utf8().length();
int pad = _get_pad(4, string_len);
fhead->store_32(string_len + pad);
fhead->store_buffer((const uint8_t *)files[i].path.utf8().get_data(), string_len);
for (int j = 0; j < pad; j++) {
fhead->store_8(0);
}
fhead->store_64(files[i].ofs);
fhead->store_64(files[i].size); // pay attention here, this is where file is
fhead->store_buffer(files[i].md5.ptr(), 16); //also save md5 for file
uint32_t flags = 0;
if (files[i].encrypted) {
flags |= PACK_FILE_ENCRYPTED;
}
fhead->store_32(flags);
}
if (fae) {
fae->release();
memdelete(fae);
}
int header_padding = _get_pad(alignment, file->get_position());
for (int i = 0; i < header_padding; i++) {
file->store_8(Math::rand() % 256);
}
int64_t file_base = file->get_position();
file->seek(file_base_ofs);
file->store_64(file_base); // update files base
file->seek(file_base);
const uint32_t buf_max = 65536;
uint8_t *buf = memnew_arr(uint8_t, buf_max);
@ -137,26 +223,41 @@ Error PCKPacker::flush(bool p_verbose) {
for (int i = 0; i < files.size(); i++) {
FileAccess *src = FileAccess::open(files[i].src_path, FileAccess::READ);
uint64_t to_write = files[i].size;
fae = nullptr;
FileAccess *ftmp = file;
if (files[i].encrypted) {
fae = memnew(FileAccessEncrypted);
ERR_FAIL_COND_V(!fae, ERR_CANT_CREATE);
Error err = fae->open_and_parse(file, key, FileAccessEncrypted::MODE_WRITE_AES256, false);
ERR_FAIL_COND_V(err != OK, ERR_CANT_CREATE);
ftmp = fae;
}
while (to_write > 0) {
int read = src->get_buffer(buf, MIN(to_write, buf_max));
file->store_buffer(buf, read);
ftmp->store_buffer(buf, read);
to_write -= read;
}
uint64_t pos = file->get_position();
file->seek(files[i].offset_offset); // go back to store the file's offset
file->store_64(ofs);
file->seek(pos);
if (fae) {
fae->release();
memdelete(fae);
}
ofs = _align(ofs + files[i].size, alignment);
_pad(file, ofs - pos);
int pad = _get_pad(alignment, file->get_position());
for (int j = 0; j < pad; j++) {
file->store_8(Math::rand() % 256);
}
src->close();
memdelete(src);
count += 1;
if (p_verbose && files.size() > 0) {
const int file_num = files.size();
if (p_verbose && (file_num > 0)) {
if (count % 100 == 0) {
printf("%i/%i (%.2f)\r", count, files.size(), float(count) / files.size() * 100);
printf("%i/%i (%.2f)\r", count, file_num, float(count) / file_num * 100);
fflush(stdout);
}
}

14
core/io/pck_packer.h
View File

@ -40,20 +40,26 @@ class PCKPacker : public Reference {
FileAccess *file = nullptr;
int alignment;
uint64_t ofs = 0;
Vector<uint8_t> key;
bool enc_dir = false;
static void _bind_methods();
struct File {
String path;
String src_path;
int size;
uint64_t offset_offset;
uint64_t ofs;
uint64_t size;
bool encrypted;
Vector<uint8_t> md5;
};
Vector<File> files;
public:
Error pck_start(const String &p_file, int p_alignment = 0);
Error add_file(const String &p_file, const String &p_src);
Error pck_start(const String &p_file, int p_alignment = 0, const String &p_key = String(), bool p_encrypt_directory = false);
Error add_file(const String &p_file, const String &p_src, bool p_encrypt = false);
Error flush(bool p_verbose = false);
PCKPacker() {}

6
doc/classes/PCKPacker.xml
View File

@ -23,6 +23,8 @@
</argument>
<argument index="1" name="source_path" type="String">
</argument>
<argument index="2" name="encrypt" type="bool" default="false">
</argument>
<description>
Adds the [code]source_path[/code] file to the current PCK package at the [code]pck_path[/code] internal path (should start with [code]res://[/code]).
</description>
@ -43,6 +45,10 @@
</argument>
<argument index="1" name="alignment" type="int" default="0">
</argument>
<argument index="2" name="key" type="String" default="&quot;&quot;">
</argument>
<argument index="3" name="encrypt_directory" type="bool" default="false">
</argument>
<description>
Creates a new PCK file with the name [code]pck_name[/code]. The [code].pck[/code] file extension isn't added automatically, so it should be part of [code]pck_name[/code] (even though it's not required).
</description>

266
editor/editor_export.cpp
View File

@ -32,6 +32,7 @@
#include "core/crypto/crypto_core.h"
#include "core/io/config_file.h"
#include "core/io/file_access_encrypted.h"
#include "core/io/file_access_pack.h" // PACK_HEADER_MAGIC, PACK_FORMAT_VERSION
#include "core/io/resource_loader.h"
#include "core/io/resource_saver.h"
@ -222,6 +223,42 @@ String EditorExportPreset::get_custom_features() const {
return custom_features;
}
void EditorExportPreset::set_enc_in_filter(const String &p_filter) {
enc_in_filters = p_filter;
EditorExport::singleton->save_presets();
}
String EditorExportPreset::get_enc_in_filter() const {
return enc_in_filters;
}
void EditorExportPreset::set_enc_ex_filter(const String &p_filter) {
enc_ex_filters = p_filter;
EditorExport::singleton->save_presets();
}
String EditorExportPreset::get_enc_ex_filter() const {
return enc_ex_filters;
}
void EditorExportPreset::set_enc_pck(bool p_enabled) {
enc_pck = p_enabled;
EditorExport::singleton->save_presets();
}
bool EditorExportPreset::get_enc_pck() const {
return enc_pck;
}
void EditorExportPreset::set_enc_directory(bool p_enabled) {
enc_directory = p_enabled;
EditorExport::singleton->save_presets();
}
bool EditorExportPreset::get_enc_directory() const {
return enc_directory;
}
void EditorExportPreset::set_script_export_mode(int p_mode) {
script_mode = p_mode;
EditorExport::singleton->save_presets();
@ -292,20 +329,55 @@ void EditorExportPlatform::gen_debug_flags(Vector<String> &r_flags, int p_flags)
}
}
Error EditorExportPlatform::_save_pack_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total) {
Error EditorExportPlatform::_save_pack_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key) {
PackData *pd = (PackData *)p_userdata;
SavedData sd;
sd.path_utf8 = p_path.utf8();
sd.ofs = pd->f->get_position();
sd.size = p_data.size();
sd.encrypted = false;
pd->f->store_buffer(p_data.ptr(), p_data.size());
int pad = _get_pad(PCK_PADDING, sd.size);
for (int i = 0; i < pad; i++) {
pd->f->store_8(0);
for (int i = 0; i < p_enc_in_filters.size(); ++i) {
if (p_path.matchn(p_enc_in_filters[i]) || p_path.replace("res://", "").matchn(p_enc_in_filters[i])) {
sd.encrypted = true;
break;
}
}
for (int i = 0; i < p_enc_ex_filters.size(); ++i) {
if (p_path.matchn(p_enc_ex_filters[i]) || p_path.replace("res://", "").matchn(p_enc_ex_filters[i])) {
sd.encrypted = false;
break;
}
}
FileAccessEncrypted *fae = nullptr;
FileAccess *ftmp = pd->f;
if (sd.encrypted) {
fae = memnew(FileAccessEncrypted);
ERR_FAIL_COND_V(!fae, ERR_SKIP);
Error err = fae->open_and_parse(ftmp, p_key, FileAccessEncrypted::MODE_WRITE_AES256, false);
ERR_FAIL_COND_V(err != OK, ERR_SKIP);
ftmp = fae;
}
// Store file content.
ftmp->store_buffer(p_data.ptr(), p_data.size());
if (fae) {
fae->release();
memdelete(fae);
}
int pad = _get_pad(PCK_PADDING, pd->f->get_position());
for (int i = 0; i < pad; i++) {
pd->f->store_8(Math::rand() % 256);
}
// Store MD5 of original file.
{
unsigned char hash[16];
CryptoCore::md5(p_data.ptr(), p_data.size(), hash);
@ -324,7 +396,7 @@ Error EditorExportPlatform::_save_pack_file(void *p_userdata, const String &p_pa
return OK;
}
Error EditorExportPlatform::_save_zip_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total) {
Error EditorExportPlatform::_save_zip_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key) {
String path = p_path.replace_first("res://", "");
ZipData *zd = (ZipData *)p_userdata;
@ -694,6 +766,61 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
_edit_filter_list(paths, p_preset->get_include_filter(), false);
_edit_filter_list(paths, p_preset->get_exclude_filter(), true);
// Get encryption filters.
bool enc_pck = p_preset->get_enc_pck();
Vector<String> enc_in_filters;
Vector<String> enc_ex_filters;
Vector<uint8_t> key;
if (enc_pck) {
Vector<String> enc_in_split = p_preset->get_enc_in_filter().split(",");
for (int i = 0; i < enc_in_split.size(); i++) {
String f = enc_in_split[i].strip_edges();
if (f.empty()) {
continue;
}
enc_in_filters.push_back(f);
}
Vector<String> enc_ex_split = p_preset->get_enc_ex_filter().split(",");
for (int i = 0; i < enc_ex_split.size(); i++) {
String f = enc_ex_split[i].strip_edges();
if (f.empty()) {
continue;
}
enc_ex_filters.push_back(f);
}
// Get encryption key.
String script_key = p_preset->get_script_encryption_key().to_lower();
key.resize(32);
if (script_key.length() == 64) {
for (int i = 0; i < 32; i++) {
int v = 0;
if (i * 2 < script_key.length()) {
char32_t ct = script_key[i * 2];
if (ct >= '0' && ct <= '9') {
ct = ct - '0';
} else if (ct >= 'a' && ct <= 'f') {
ct = 10 + ct - 'a';
}
v |= ct << 4;
}
if (i * 2 + 1 < script_key.length()) {
char32_t ct = script_key[i * 2 + 1];
if (ct >= '0' && ct <= '9') {
ct = ct - '0';
} else if (ct >= 'a' && ct <= 'f') {
ct = 10 + ct - 'a';
}
v |= ct;
}
key.write[i] = v;
}
}
}
Vector<Ref<EditorExportPlugin>> export_plugins = EditorExport::get_singleton()->get_export_plugins();
for (int i = 0; i < export_plugins.size(); i++) {
export_plugins.write[i]->set_export_preset(p_preset);
@ -704,7 +831,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
}
}
for (int j = 0; j < export_plugins[i]->extra_files.size(); j++) {
p_func(p_udata, export_plugins[i]->extra_files[j].path, export_plugins[i]->extra_files[j].data, 0, paths.size());
p_func(p_udata, export_plugins[i]->extra_files[j].path, export_plugins[i]->extra_files[j].data, 0, paths.size(), enc_in_filters, enc_ex_filters, key);
}
export_plugins.write[i]->_clear();
@ -756,14 +883,14 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
if (remap == "path") {
String remapped_path = config->get_value("remap", remap);
Vector<uint8_t> array = FileAccess::get_file_as_array(remapped_path);
err = p_func(p_udata, remapped_path, array, idx, total);
err = p_func(p_udata, remapped_path, array, idx, total, enc_in_filters, enc_ex_filters, key);
} else if (remap.begins_with("path.")) {
String feature = remap.get_slice(".", 1);
if (remap_features.has(feature)) {
String remapped_path = config->get_value("remap", remap);
Vector<uint8_t> array = FileAccess::get_file_as_array(remapped_path);
err = p_func(p_udata, remapped_path, array, idx, total);
err = p_func(p_udata, remapped_path, array, idx, total, enc_in_filters, enc_ex_filters, key);
}
}
}
@ -774,7 +901,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
//also save the .import file
Vector<uint8_t> array = FileAccess::get_file_as_array(path + ".import");
err = p_func(p_udata, path + ".import", array, idx, total);
err = p_func(p_udata, path + ".import", array, idx, total, enc_in_filters, enc_ex_filters, key);
if (err != OK) {
return err;
@ -795,7 +922,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
}
for (int j = 0; j < export_plugins[i]->extra_files.size(); j++) {
p_func(p_udata, export_plugins[i]->extra_files[j].path, export_plugins[i]->extra_files[j].data, idx, total);
p_func(p_udata, export_plugins[i]->extra_files[j].path, export_plugins[i]->extra_files[j].data, idx, total, enc_in_filters, enc_ex_filters, key);
if (export_plugins[i]->extra_files[j].remap) {
do_export = false; //if remap, do not
path_remaps.push_back(path);
@ -815,7 +942,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
//just store it as it comes
if (do_export) {
Vector<uint8_t> array = FileAccess::get_file_as_array(path);
p_func(p_udata, path, array, idx, total);
p_func(p_udata, path, array, idx, total, enc_in_filters, enc_ex_filters, key);
}
}
@ -851,7 +978,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
new_file.write[j] = utf8[j];
}
p_func(p_udata, from + ".remap", new_file, idx, total);
p_func(p_udata, from + ".remap", new_file, idx, total, enc_in_filters, enc_ex_filters, key);
}
} else {
//old remap mode, will still work, but it's unused because it's not multiple pck export friendly
@ -864,11 +991,11 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
String splash = ProjectSettings::get_singleton()->get("application/boot_splash/image");
if (icon != String() && FileAccess::exists(icon)) {
Vector<uint8_t> array = FileAccess::get_file_as_array(icon);
p_func(p_udata, icon, array, idx, total);
p_func(p_udata, icon, array, idx, total, enc_in_filters, enc_ex_filters, key);
}
if (splash != String() && FileAccess::exists(splash) && icon != splash) {
Vector<uint8_t> array = FileAccess::get_file_as_array(splash);
p_func(p_udata, splash, array, idx, total);
p_func(p_udata, splash, array, idx, total, enc_in_filters, enc_ex_filters, key);
}
String config_file = "project.binary";
@ -877,7 +1004,7 @@ Error EditorExportPlatform::export_project_files(const Ref<EditorExportPreset> &
Vector<uint8_t> data = FileAccess::get_file_as_array(engine_cfb);
DirAccess::remove_file_or_error(engine_cfb);
p_func(p_udata, "res://" + config_file, data, idx, total);
p_func(p_udata, "res://" + config_file, data, idx, total, enc_in_filters, enc_ex_filters, key);
return OK;
}
@ -953,6 +1080,17 @@ Error EditorExportPlatform::save_pack(const Ref<EditorExportPreset> &p_preset, c
f->store_32(VERSION_MINOR);
f->store_32(VERSION_PATCH);
uint32_t pack_flags = 0;
bool enc_pck = p_preset->get_enc_pck();
bool enc_directory = p_preset->get_enc_directory();
if (enc_pck && enc_directory) {
pack_flags |= PACK_DIR_ENCRYPTED;
}
f->store_32(pack_flags); // flags
uint64_t file_base_ofs = f->get_position();
f->store_64(0); // files base
for (int i = 0; i < 16; i++) {
//reserved
f->store_32(0);
@ -960,40 +1098,82 @@ Error EditorExportPlatform::save_pack(const Ref<EditorExportPreset> &p_preset, c
f->store_32(pd.file_ofs.size()); //amount of files
int64_t header_size = f->get_position();
FileAccessEncrypted *fae = nullptr;
FileAccess *fhead = f;
//precalculate header size
if (enc_pck && enc_directory) {
String script_key = p_preset->get_script_encryption_key().to_lower();
Vector<uint8_t> key;
key.resize(32);
if (script_key.length() == 64) {
for (int i = 0; i < 32; i++) {
int v = 0;
if (i * 2 < script_key.length()) {
char32_t ct = script_key[i * 2];
if (ct >= '0' && ct <= '9') {
ct = ct - '0';
} else if (ct >= 'a' && ct <= 'f') {
ct = 10 + ct - 'a';
}
v |= ct << 4;
}
for (int i = 0; i < pd.file_ofs.size(); i++) {
header_size += 4; // size of path string (32 bits is enough)
int string_len = pd.file_ofs[i].path_utf8.length();
header_size += string_len + _get_pad(4, string_len); ///size of path string
header_size += 8; // offset to file _with_ header size included
header_size += 8; // size of file
header_size += 16; // md5
if (i * 2 + 1 < script_key.length()) {
char32_t ct = script_key[i * 2 + 1];
if (ct >= '0' && ct <= '9') {
ct = ct - '0';
} else if (ct >= 'a' && ct <= 'f') {
ct = 10 + ct - 'a';
}
v |= ct;
}
key.write[i] = v;
}
}
fae = memnew(FileAccessEncrypted);
ERR_FAIL_COND_V(!fae, ERR_SKIP);
err = fae->open_and_parse(f, key, FileAccessEncrypted::MODE_WRITE_AES256, false);
ERR_FAIL_COND_V(err != OK, ERR_SKIP);
fhead = fae;
}
int header_padding = _get_pad(PCK_PADDING, header_size);
for (int i = 0; i < pd.file_ofs.size(); i++) {
int string_len = pd.file_ofs[i].path_utf8.length();
int pad = _get_pad(4, string_len);
f->store_32(string_len + pad);
f->store_buffer((const uint8_t *)pd.file_ofs[i].path_utf8.get_data(), string_len);
fhead->store_32(string_len + pad);
fhead->store_buffer((const uint8_t *)pd.file_ofs[i].path_utf8.get_data(), string_len);
for (int j = 0; j < pad; j++) {
f->store_8(0);
fhead->store_8(0);
}
f->store_64(pd.file_ofs[i].ofs + header_padding + header_size);
f->store_64(pd.file_ofs[i].size); // pay attention here, this is where file is
f->store_buffer(pd.file_ofs[i].md5.ptr(), 16); //also save md5 for file
fhead->store_64(pd.file_ofs[i].ofs);
fhead->store_64(pd.file_ofs[i].size); // pay attention here, this is where file is
fhead->store_buffer(pd.file_ofs[i].md5.ptr(), 16); //also save md5 for file
uint32_t flags = 0;
if (pd.file_ofs[i].encrypted) {
flags |= PACK_FILE_ENCRYPTED;
}
fhead->store_32(flags);
}
for (int i = 0; i < header_padding; i++) {
f->store_8(0);
if (fae) {
fae->release();
memdelete(fae);
}
int header_padding = _get_pad(PCK_PADDING, f->get_position());
for (int i = 0; i < header_padding; i++) {
f->store_8(Math::rand() % 256);
}
uint64_t file_base = f->get_position();
f->seek(file_base_ofs);
f->store_64(file_base); // update files base
f->seek(file_base);
// Save the rest of the data.
ftmp = FileAccess::open(tmppath, FileAccess::READ);
@ -1162,6 +1342,10 @@ void EditorExport::_save() {
config->set_value(section, "exclude_filter", preset->get_exclude_filter());
config->set_value(section, "export_path", preset->get_export_path());
config->set_value(section, "patch_list", preset->get_patches());
config->set_value(section, "encryption_include_filters", preset->get_enc_in_filter());
config->set_value(section, "encryption_exclude_filters", preset->get_enc_ex_filter());
config->set_value(section, "encrypt_pck", preset->get_enc_pck());
config->set_value(section, "encrypt_directory", preset->get_enc_directory());
config->set_value(section, "script_export_mode", preset->get_script_export_mode());
config->set_value(section, "script_encryption_key", preset->get_script_encryption_key());
@ -1337,6 +1521,18 @@ void EditorExport::load_config() {
preset->add_patch(patch_list[i]);
}
if (config->has_section_key(section, "encrypt_pck")) {
preset->set_enc_pck(config->get_value(section, "encrypt_pck"));
}
if (config->has_section_key(section, "encrypt_directory")) {
preset->set_enc_directory(config->get_value(section, "encrypt_directory"));
}
if (config->has_section_key(section, "encryption_include_filters")) {
preset->set_enc_in_filter(config->get_value(section, "encryption_include_filters"));
}
if (config->has_section_key(section, "encryption_exclude_filters")) {
preset->set_enc_ex_filter(config->get_value(section, "encryption_exclude_filters"));
}
if (config->has_section_key(section, "script_export_mode")) {
preset->set_script_export_mode(config->get_value(section, "script_export_mode"));
}

25
editor/editor_export.h
View File

@ -55,7 +55,6 @@ public:
enum ScriptExportMode {
MODE_SCRIPT_TEXT,
MODE_SCRIPT_COMPILED,
MODE_SCRIPT_ENCRYPTED,
};
private:
@ -81,6 +80,11 @@ private:
String custom_features;
String enc_in_filters;
String enc_ex_filters;
bool enc_pck = false;
bool enc_directory = false;
int script_mode = MODE_SCRIPT_COMPILED;
String script_key;
@ -129,6 +133,18 @@ public:
void set_export_path(const String &p_path);
String get_export_path() const;
void set_enc_in_filter(const String &p_filter);
String get_enc_in_filter() const;
void set_enc_ex_filter(const String &p_filter);
String get_enc_ex_filter() const;
void set_enc_pck(bool p_enabled);
bool get_enc_pck() const;
void set_enc_directory(bool p_enabled);
bool get_enc_directory() const;
void set_script_export_mode(int p_mode);
int get_script_export_mode() const;
@ -156,13 +172,14 @@ class EditorExportPlatform : public Reference {
GDCLASS(EditorExportPlatform, Reference);
public:
typedef Error (*EditorExportSaveFunction)(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total);
typedef Error (*EditorExportSaveFunction)(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key);
typedef Error (*EditorExportSaveSharedObject)(void *p_userdata, const SharedObject &p_so);
private:
struct SavedData {
uint64_t ofs;
uint64_t size;
bool encrypted;
Vector<uint8_t> md5;
CharString path_utf8;
@ -192,8 +209,8 @@ private:
void _export_find_dependencies(const String &p_path, Set<String> &p_paths);
void gen_debug_flags(Vector<String> &r_flags, int p_flags);
static Error _save_pack_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total);
static Error _save_zip_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total);
static Error _save_pack_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key);
static Error _save_zip_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key);
void _edit_files_with_filter(DirAccess *da, const Vector<String> &p_filters, Set<String> &r_list, bool exclude);
void _edit_filter_list(Set<String> &r_list, const String &p_filter, bool exclude);

125
editor/project_export.cpp
View File

@ -310,6 +310,24 @@ void ProjectExportDialog::_edit_preset(int p_index) {
_update_export_all();
child_controls_changed();
String enc_in_filters_str = current->get_enc_in_filter();
String enc_ex_filters_str = current->get_enc_ex_filter();
if (!updating_enc_filters) {
enc_in_filters->set_text(enc_in_filters_str);
enc_ex_filters->set_text(enc_ex_filters_str);
}
bool enc_pck_mode = current->get_enc_pck();
enc_pck->set_pressed(enc_pck_mode);
enc_directory->set_disabled(!enc_pck_mode);
enc_in_filters->set_editable(enc_pck_mode);
enc_ex_filters->set_editable(enc_pck_mode);
script_key->set_editable(enc_pck_mode);
bool enc_directory_mode = current->get_enc_directory();
enc_directory->set_pressed(enc_directory_mode);
int script_export_mode = current->get_script_export_mode();
script_mode->select(script_export_mode);
@ -317,7 +335,7 @@ void ProjectExportDialog::_edit_preset(int p_index) {
if (!updating_script_key) {
script_key->set_text(key);
}
if (script_export_mode == EditorExportPreset::MODE_SCRIPT_ENCRYPTED) {
if (enc_pck_mode) {
script_key->set_editable(true);
bool key_valid = _validate_script_encryption_key(key);
@ -519,6 +537,56 @@ void ProjectExportDialog::_export_path_changed(const StringName &p_property, con
_update_presets();
}
void ProjectExportDialog::_enc_filters_changed(const String &p_filters) {
if (updating) {
return;
}
Ref<EditorExportPreset> current = get_current_preset();
ERR_FAIL_COND(current.is_null());
current->set_enc_in_filter(enc_in_filters->get_text());
current->set_enc_ex_filter(enc_ex_filters->get_text());
updating_enc_filters = true;
_update_current_preset();
updating_enc_filters = false;
}
void ProjectExportDialog::_open_key_help_link() {
OS::get_singleton()->shell_open("https://docs.godotengine.org/en/latest/development/compiling/compiling_with_script_encryption_key.html");
}
void ProjectExportDialog::_enc_pck_changed(bool p_pressed) {
if (updating) {
return;
}
Ref<EditorExportPreset> current = get_current_preset();
ERR_FAIL_COND(current.is_null());
current->set_enc_pck(p_pressed);
enc_directory->set_disabled(!p_pressed);
enc_in_filters->set_editable(p_pressed);
enc_ex_filters->set_editable(p_pressed);
script_key->set_editable(p_pressed);
_update_current_preset();
}
void ProjectExportDialog::_enc_directory_changed(bool p_pressed) {
if (updating) {
return;
}
Ref<EditorExportPreset> current = get_current_preset();
ERR_FAIL_COND(current.is_null());
current->set_enc_directory(p_pressed);
_update_current_preset();
}
void ProjectExportDialog::_script_export_mode_changed(int p_mode) {
if (updating) {
return;
@ -1148,6 +1216,12 @@ ProjectExportDialog::ProjectExportDialog() {
exclude_filters);
exclude_filters->connect("text_changed", callable_mp(this, &ProjectExportDialog::_filter_changed));
script_mode = memnew(OptionButton);
resources_vb->add_margin_child(TTR("Script Export Mode:"), script_mode);
script_mode->add_item(TTR("Text"), (int)EditorExportPreset::MODE_SCRIPT_TEXT);
script_mode->add_item(TTR("Compiled"), (int)EditorExportPreset::MODE_SCRIPT_COMPILED);
script_mode->connect("item_selected", callable_mp(this, &ProjectExportDialog::_script_export_mode_changed));
// Patch packages.
VBoxContainer *patch_vb = memnew(VBoxContainer);
@ -1205,23 +1279,50 @@ ProjectExportDialog::ProjectExportDialog() {
// Script export parameters.
updating_script_key = false;
updating_enc_filters = false;
VBoxContainer *sec_vb = memnew(VBoxContainer);
sec_vb->set_name(TTR("Encryption"));
enc_pck = memnew(CheckButton);
enc_pck->connect("toggled", callable_mp(this, &ProjectExportDialog::_enc_pck_changed));
enc_pck->set_text(TTR("Encrypt exported PCK"));
sec_vb->add_child(enc_pck);
enc_directory = memnew(CheckButton);
enc_directory->connect("toggled", callable_mp(this, &ProjectExportDialog::_enc_directory_changed));
enc_directory->set_text("Encrypt index (file names and info).");
sec_vb->add_child(enc_directory);
enc_in_filters = memnew(LineEdit);
enc_in_filters->connect("text_changed", callable_mp(this, &ProjectExportDialog::_enc_filters_changed));
sec_vb->add_margin_child(
TTR("Filters to include files/folders\n(comma-separated, e.g: *.tscn, *.tres, scenes/*)"),
enc_in_filters);
enc_ex_filters = memnew(LineEdit);
enc_ex_filters->connect("text_changed", callable_mp(this, &ProjectExportDialog::_enc_filters_changed));
sec_vb->add_margin_child(
TTR("Filters to exclude files/folders\n(comma-separated, e.g: *.stex, *.import, music/*)"),
enc_ex_filters);
VBoxContainer *script_vb = memnew(VBoxContainer);
script_vb->set_name(TTR("Script"));
script_mode = memnew(OptionButton);
script_vb->add_margin_child(TTR("Script Export Mode:"), script_mode);
script_mode->add_item(TTR("Text"), (int)EditorExportPreset::MODE_SCRIPT_TEXT);
script_mode->add_item(TTR("Compiled"), (int)EditorExportPreset::MODE_SCRIPT_COMPILED);
script_mode->add_item(TTR("Encrypted (Provide Key Below)"), (int)EditorExportPreset::MODE_SCRIPT_ENCRYPTED);
script_mode->connect("item_selected", callable_mp(this, &ProjectExportDialog::_script_export_mode_changed));
script_key = memnew(LineEdit);
script_key->connect("text_changed", callable_mp(this, &ProjectExportDialog::_script_encryption_key_changed));
script_key_error = memnew(Label);
script_key_error->set_text("- " + TTR("Invalid Encryption Key (must be 64 characters long)"));
script_key_error->add_theme_color_override("font_color", EditorNode::get_singleton()->get_gui_base()->get_theme_color("error_color", "Editor"));
script_vb->add_margin_child(TTR("Script Encryption Key (256-bits as hex):"), script_key);
script_vb->add_child(script_key_error);
sections->add_child(script_vb);
sec_vb->add_margin_child(TTR("Encryption Key (256-bits as hex):"), script_key);
sec_vb->add_child(script_key_error);
sections->add_child(sec_vb);
Label *sec_info = memnew(Label);
sec_info->set_text(TTR("Note: Encryption key needs to be stored in the binary,\nyou need to build the export templates from source."));
sec_vb->add_child(sec_info);
LinkButton *sec_more_info = memnew(LinkButton);
sec_more_info->set_text(TTR("More Info..."));
sec_more_info->connect("pressed", callable_mp(this, &ProjectExportDialog::_open_key_help_link));
sec_vb->add_child(sec_more_info);
sections->connect("tab_changed", callable_mp(this, &ProjectExportDialog::_tab_changed));

11
editor/project_export.h
View File

@ -145,6 +145,11 @@ private:
CheckBox *export_debug;
CheckBox *export_pck_zip_debug;
CheckButton *enc_pck;
CheckButton *enc_directory;
LineEdit *enc_in_filters;
LineEdit *enc_ex_filters;
void _open_export_template_manager();
void _export_pck_zip();
@ -161,10 +166,16 @@ private:
void _custom_features_changed(const String &p_text);
bool updating_script_key;
bool updating_enc_filters;
void _enc_pck_changed(bool p_pressed);
void _enc_directory_changed(bool p_pressed);
void _enc_filters_changed(const String &p_text);
void _script_export_mode_changed(int p_mode);
void _script_encryption_key_changed(const String &p_key);
bool _validate_script_encryption_key(const String &p_key);
void _open_key_help_link();
void _tab_changed(int);
protected:

2
modules/gdscript/register_types.cpp
View File

@ -84,7 +84,7 @@ public:
return;
}
// TODO: Readd compiled/encrypted GDScript on export.
// TODO: Readd compiled GDScript on export.
return;
}
};

6
platform/android/export/export.cpp
View File

@ -723,7 +723,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
return OK;
}
static Error save_apk_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total) {
static Error save_apk_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key) {
APKExportData *ed = (APKExportData *)p_userdata;
String dst_path = p_path.replace_first("res://", "assets/");
@ -731,7 +731,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
return OK;
}
static Error ignore_apk_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total) {
static Error ignore_apk_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key) {
return OK;
}
@ -1525,7 +1525,7 @@ class EditorExportPlatformAndroid : public EditorExportPlatform {
}
public:
typedef Error (*EditorExportSaveFunction)(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total);
typedef Error (*EditorExportSaveFunction)(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key);
public:
virtual void get_preset_features(const Ref<EditorExportPreset> &p_preset, List<String> *r_features) override {

2
platform/android/export/gradle_export_util.h
View File

@ -99,7 +99,7 @@ Error store_string_at_path(const String &p_path, const String &p_data) {
// It is used by the export_project_files method to save all the asset files into the gradle project.
// It's functionality mirrors that of the method save_apk_file.
// This method will be called ONLY when custom build is enabled.
Error rename_and_store_file_in_gradle_project(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total) {
Error rename_and_store_file_in_gradle_project(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key) {
String dst_path = p_path.replace_first("res://", "res://android/build/assets/");
Error err = store_file_at_path(dst_path, p_data);
return err;

2
platform/uwp/export/export.cpp
View File

@ -961,7 +961,7 @@ class EditorExportPlatformUWP : public EditorExportPlatform {
return true;
}
static Error save_appx_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total) {
static Error save_appx_file(void *p_userdata, const String &p_path, const Vector<uint8_t> &p_data, int p_file, int p_total, const Vector<String> &p_enc_in_filters, const Vector<String> &p_enc_ex_filters, const Vector<uint8_t> &p_key) {
AppxPackager *packager = (AppxPackager *)p_userdata;
String dst_path = p_path.replace_first("res://", "game/");