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Diffstat (limited to 'core/crypto/crypto.cpp')
| -rw-r--r-- | core/crypto/crypto.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/core/crypto/crypto.cpp b/core/crypto/crypto.cpp new file mode 100644 index 0000000000..83a25da901 --- /dev/null +++ b/core/crypto/crypto.cpp @@ -0,0 +1,170 @@ +/*************************************************************************/ +/* crypto.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2019 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)() = NULL; +CryptoKey *CryptoKey::create() { + if (_create) + return _create(); + return NULL; +} + +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)() = NULL; +X509Certificate *X509Certificate::create() { + if (_create) + return _create(); + return NULL; +} + +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) = NULL; +Crypto *(*Crypto::_create)() = NULL; +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")); +} + +PoolByteArray Crypto::generate_random_bytes(int p_bytes) { + ERR_FAIL_V_MSG(PoolByteArray(), "generate_random_bytes is not available when mbedtls module is disabled."); +} + +Ref<CryptoKey> Crypto::generate_rsa(int p_bytes) { + ERR_FAIL_V_MSG(NULL, "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(NULL, "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) { + + 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 NULL; +} + +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); +} |