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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
/*************************************************************************/
/* crypto.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2020 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. */
/*************************************************************************/
#include "crypto.h"
#include "core/engine.h"
#include "core/io/certs_compressed.gen.h"
#include "core/io/compression.h"
/// Resources
CryptoKey *(*CryptoKey::_create)() = nullptr;
CryptoKey *CryptoKey::create() {
if (_create)
return _create();
return nullptr;
}
void CryptoKey::_bind_methods() {
ClassDB::bind_method(D_METHOD("save", "path"), &CryptoKey::save);
ClassDB::bind_method(D_METHOD("load", "path"), &CryptoKey::load);
}
X509Certificate *(*X509Certificate::_create)() = nullptr;
X509Certificate *X509Certificate::create() {
if (_create)
return _create();
return nullptr;
}
void X509Certificate::_bind_methods() {
ClassDB::bind_method(D_METHOD("save", "path"), &X509Certificate::save);
ClassDB::bind_method(D_METHOD("load", "path"), &X509Certificate::load);
}
/// Crypto
void (*Crypto::_load_default_certificates)(String p_path) = nullptr;
Crypto *(*Crypto::_create)() = nullptr;
Crypto *Crypto::create() {
if (_create)
return _create();
return memnew(Crypto);
}
void Crypto::load_default_certificates(String p_path) {
if (_load_default_certificates)
_load_default_certificates(p_path);
}
void Crypto::_bind_methods() {
ClassDB::bind_method(D_METHOD("generate_random_bytes", "size"), &Crypto::generate_random_bytes);
ClassDB::bind_method(D_METHOD("generate_rsa", "size"), &Crypto::generate_rsa);
ClassDB::bind_method(D_METHOD("generate_self_signed_certificate", "key", "issuer_name", "not_before", "not_after"), &Crypto::generate_self_signed_certificate, DEFVAL("CN=myserver,O=myorganisation,C=IT"), DEFVAL("20140101000000"), DEFVAL("20340101000000"));
}
PackedByteArray Crypto::generate_random_bytes(int p_bytes) {
ERR_FAIL_V_MSG(PackedByteArray(), "generate_random_bytes is not available when mbedtls module is disabled.");
}
Ref<CryptoKey> Crypto::generate_rsa(int p_bytes) {
ERR_FAIL_V_MSG(nullptr, "generate_rsa is not available when mbedtls module is disabled.");
}
Ref<X509Certificate> Crypto::generate_self_signed_certificate(Ref<CryptoKey> p_key, String p_issuer_name, String p_not_before, String p_not_after) {
ERR_FAIL_V_MSG(nullptr, "generate_self_signed_certificate is not available when mbedtls module is disabled.");
}
Crypto::Crypto() {
}
/// Resource loader/saver
RES ResourceFormatLoaderCrypto::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress) {
String el = p_path.get_extension().to_lower();
if (el == "crt") {
X509Certificate *cert = X509Certificate::create();
if (cert)
cert->load(p_path);
return cert;
} else if (el == "key") {
CryptoKey *key = CryptoKey::create();
if (key)
key->load(p_path);
return key;
}
return nullptr;
}
void ResourceFormatLoaderCrypto::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("crt");
p_extensions->push_back("key");
}
bool ResourceFormatLoaderCrypto::handles_type(const String &p_type) const {
return p_type == "X509Certificate" || p_type == "CryptoKey";
}
String ResourceFormatLoaderCrypto::get_resource_type(const String &p_path) const {
String el = p_path.get_extension().to_lower();
if (el == "crt")
return "X509Certificate";
else if (el == "key")
return "CryptoKey";
return "";
}
Error ResourceFormatSaverCrypto::save(const String &p_path, const RES &p_resource, uint32_t p_flags) {
Error err;
Ref<X509Certificate> cert = p_resource;
Ref<CryptoKey> key = p_resource;
if (cert.is_valid()) {
err = cert->save(p_path);
} else if (key.is_valid()) {
err = key->save(p_path);
} else {
ERR_FAIL_V(ERR_INVALID_PARAMETER);
}
ERR_FAIL_COND_V_MSG(err != OK, err, "Cannot save Crypto resource to file '" + p_path + "'.");
return OK;
}
void ResourceFormatSaverCrypto::get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const {
const X509Certificate *cert = Object::cast_to<X509Certificate>(*p_resource);
const CryptoKey *key = Object::cast_to<CryptoKey>(*p_resource);
if (cert) {
p_extensions->push_back("crt");
}
if (key) {
p_extensions->push_back("key");
}
}
bool ResourceFormatSaverCrypto::recognize(const RES &p_resource) const {
return Object::cast_to<X509Certificate>(*p_resource) || Object::cast_to<CryptoKey>(*p_resource);
}
|