207 lines
8.0 KiB
C++
207 lines
8.0 KiB
C++
/*
|
|
TessesFramework a library to make C++ easier for me, used in CrossLang:
|
|
https://git.tesses.org/tesses50/crosslang Copyright (C) 2026 Mike Nolan
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "TessesFramework/Uuid.hpp"
|
|
#include "TessesFramework/Crypto/Crypto.hpp"
|
|
#include "TessesFramework/Http/HttpUtils.hpp"
|
|
|
|
namespace Tesses::Framework {
|
|
Uuid Uuid::Generate() {
|
|
// xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx
|
|
Uuid uuid;
|
|
Uuid::Generate(uuid);
|
|
return uuid;
|
|
}
|
|
|
|
void Uuid::Generate(Uuid &uuid) {
|
|
std::vector<uint8_t> bytes(16);
|
|
Crypto::RandomBytes(bytes, "TF_UUID");
|
|
|
|
uuid.time_low = (uint32_t)bytes[0];
|
|
uuid.time_low |= (uint32_t)bytes[1] << 8;
|
|
uuid.time_low |= (uint32_t)bytes[2] << 16;
|
|
uuid.time_low |= (uint32_t)bytes[3] << 24;
|
|
uuid.time_mid = (uint16_t)bytes[4];
|
|
uuid.time_mid |= (uint16_t)bytes[5] << 8;
|
|
uuid.time_hi_and_version = (uint16_t)bytes[6];
|
|
uuid.time_hi_and_version |= (uint16_t)bytes[7] << 8;
|
|
uuid.clock_seq_hi_and_reserved = bytes[8];
|
|
uuid.clock_seq_low = bytes[9];
|
|
for (size_t i = 0; i < 6; i++) {
|
|
uuid.node[i] = bytes[i + 10];
|
|
}
|
|
uuid.time_hi_and_version &= ~0x00F0;
|
|
uuid.time_hi_and_version |= 0x0040;
|
|
uuid.clock_seq_hi_and_reserved &= ~0b11000000;
|
|
uuid.clock_seq_hi_and_reserved |= 0b10000000;
|
|
}
|
|
|
|
bool Uuid::TryParse(std::string text, Uuid &uuid) {
|
|
std::array<uint8_t, 32> hex_digits;
|
|
size_t hex_offset = 0;
|
|
size_t text_offset = 0;
|
|
for (; text_offset < text.size(); text_offset++) {
|
|
if (text[text_offset] == '{' && (text_offset != 0 || hex_offset != 0))
|
|
return false;
|
|
if (text[text_offset] == '}' && hex_offset < 32)
|
|
return false;
|
|
if (text[text_offset] == '-' && hex_offset != 8 && hex_offset != 12 &&
|
|
hex_offset != 16 && hex_offset != 20)
|
|
return false;
|
|
if ((text[text_offset] >= 'A' && text[text_offset] <= 'F') ||
|
|
(text[text_offset] >= 'a' && text[text_offset] <= 'f') ||
|
|
text[text_offset] >= '0' && text[text_offset] <= '9') {
|
|
if (hex_offset >= 32)
|
|
return false;
|
|
hex_digits[hex_offset] =
|
|
Http::HttpUtils::HexToNibble(text[text_offset]);
|
|
hex_offset++;
|
|
} else
|
|
return false;
|
|
}
|
|
|
|
uint8_t b = hex_digits[0] << 4 | hex_digits[1];
|
|
uuid.time_low = (uint32_t)b;
|
|
b = hex_digits[2] << 4 | hex_digits[3];
|
|
uuid.time_low |= (uint32_t)b << 8;
|
|
b = hex_digits[4] << 4 | hex_digits[5];
|
|
uuid.time_low |= (uint32_t)b << 16;
|
|
b = hex_digits[6] << 4 | hex_digits[7];
|
|
uuid.time_low |= (uint32_t)b << 24;
|
|
|
|
b = hex_digits[8] << 4 | hex_digits[9];
|
|
uuid.time_mid = (uint16_t)b;
|
|
b = hex_digits[10] << 4 | hex_digits[11];
|
|
uuid.time_mid |= (uint16_t)b << 8;
|
|
|
|
b = hex_digits[12] << 4 | hex_digits[13];
|
|
uuid.time_hi_and_version = (uint16_t)b;
|
|
b = hex_digits[14] << 4 | hex_digits[15];
|
|
uuid.time_hi_and_version |= (uint16_t)b << 8;
|
|
|
|
uuid.clock_seq_hi_and_reserved = hex_digits[16] << 4 | hex_digits[17];
|
|
|
|
uuid.clock_seq_low = hex_digits[18] << 4 | hex_digits[19];
|
|
|
|
for (size_t i = 0; i < 6; i++) {
|
|
uuid.node[i] = hex_digits[20 + (i * 2)] << 4 | hex_digits[21 + (i * 2)];
|
|
}
|
|
|
|
return true;
|
|
}
|
|
// 9c4994e7-3c82-4c30-a459-8fdcd960b4ac
|
|
|
|
std::string Uuid::ToString(UuidStringifyConfig cfg) const {
|
|
bool hasCurly = ((int)cfg & (int)UuidStringifyConfig::HasCurly) != 0;
|
|
bool isUppercase = ((int)cfg & (int)UuidStringifyConfig::IsUppercase) != 0;
|
|
bool hasDash = ((int)cfg & (int)UuidStringifyConfig::HasDashes) != 0;
|
|
|
|
std::string uuid_str = "";
|
|
if (hasCurly)
|
|
uuid_str += "{";
|
|
|
|
uint8_t byte = (uint8_t)(this->time_low & 0xFF);
|
|
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte, isUppercase);
|
|
byte = (uint8_t)((this->time_low >> 8) & 0xFF);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte, isUppercase);
|
|
byte = (uint8_t)((this->time_low >> 16) & 0xFF);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte, isUppercase);
|
|
byte = (uint8_t)((this->time_low >> 24) & 0xFF);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte, isUppercase);
|
|
|
|
if (hasDash)
|
|
uuid_str += "-";
|
|
|
|
byte = (uint8_t)(this->time_mid & 0xFF);
|
|
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte, isUppercase);
|
|
|
|
byte = (uint8_t)((this->time_mid >> 8) & 0xFF);
|
|
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte, isUppercase);
|
|
|
|
if (hasDash)
|
|
uuid_str += "-";
|
|
|
|
byte = (uint8_t)(this->time_hi_and_version & 0xFF);
|
|
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte, isUppercase);
|
|
|
|
byte = (uint8_t)((this->time_hi_and_version >> 8) & 0xFF);
|
|
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte, isUppercase);
|
|
if (hasDash)
|
|
uuid_str += "-";
|
|
|
|
uuid_str += Http::HttpUtils::NibbleToHex(
|
|
this->clock_seq_hi_and_reserved >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(this->clock_seq_hi_and_reserved,
|
|
isUppercase);
|
|
uuid_str +=
|
|
Http::HttpUtils::NibbleToHex(this->clock_seq_low >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(this->clock_seq_low, isUppercase);
|
|
if (hasDash)
|
|
uuid_str += "-";
|
|
|
|
for (size_t i = 0; i < 6; i++) {
|
|
byte = this->node[i];
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte >> 4, isUppercase);
|
|
uuid_str += Http::HttpUtils::NibbleToHex(byte, isUppercase);
|
|
}
|
|
|
|
if (hasCurly)
|
|
uuid_str += "}";
|
|
return uuid_str;
|
|
}
|
|
|
|
bool Uuid::IsEmpty() const {
|
|
return this->time_low == 0 && this->time_mid == 0 &&
|
|
this->time_hi_and_version == 0 &&
|
|
this->clock_seq_hi_and_reserved == 0 && this->clock_seq_low == 0 &&
|
|
this->node[0] == 0 && this->node[1] == 0 && this->node[2] == 0 &&
|
|
this->node[3] == 0 && this->node[4] == 0 && this->node[5] == 0;
|
|
}
|
|
|
|
bool operator==(const Uuid &left, const Uuid &right) {
|
|
return left.time_low == right.time_low && left.time_mid == right.time_mid &&
|
|
left.time_hi_and_version == right.time_hi_and_version &&
|
|
left.clock_seq_hi_and_reserved == right.clock_seq_hi_and_reserved &&
|
|
left.clock_seq_low == right.clock_seq_low &&
|
|
left.node[0] == right.node[0] && left.node[1] == right.node[1] &&
|
|
left.node[2] == right.node[2] && left.node[3] == right.node[3] &&
|
|
left.node[4] == right.node[4] && left.node[5] == right.node[5];
|
|
}
|
|
bool operator!=(const Uuid &left, const Uuid &right) {
|
|
return left.time_low != right.time_low && left.time_mid != right.time_mid &&
|
|
left.time_hi_and_version != right.time_hi_and_version &&
|
|
left.clock_seq_hi_and_reserved != right.clock_seq_hi_and_reserved &&
|
|
left.clock_seq_low != right.clock_seq_low &&
|
|
left.node[0] != right.node[0] && left.node[1] != right.node[1] &&
|
|
left.node[2] != right.node[2] && left.node[3] != right.node[3] &&
|
|
left.node[4] != right.node[4] && left.node[5] != right.node[5];
|
|
}
|
|
} // namespace Tesses::Framework
|