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author | thegeorg <thegeorg@yandex-team.com> | 2022-07-16 19:44:37 +0300 |
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committer | thegeorg <thegeorg@yandex-team.com> | 2022-07-16 19:44:37 +0300 |
commit | 78785eee45c58b98adc859e9286991ec9d1382af (patch) | |
tree | 835e98bcbd1f81fc242bb615b8bc0e1276274e4f /contrib/libs/jwt-cpp/base.h | |
parent | 7537371746d95bc04135888d09ac2068233932ea (diff) | |
download | ydb-78785eee45c58b98adc859e9286991ec9d1382af.tar.gz |
Sync contrib/libs/jwt-cpp layout with upstream
Diffstat (limited to 'contrib/libs/jwt-cpp/base.h')
-rw-r--r-- | contrib/libs/jwt-cpp/base.h | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/contrib/libs/jwt-cpp/base.h b/contrib/libs/jwt-cpp/base.h deleted file mode 100644 index 375e0eb08f3..00000000000 --- a/contrib/libs/jwt-cpp/base.h +++ /dev/null @@ -1,210 +0,0 @@ -#pragma once -#include <string> -#include <array> - -#ifdef __has_cpp_attribute -#if __has_cpp_attribute(fallthrough) -#define JWT_FALLTHROUGH [[fallthrough]] -#endif -#endif - -#ifndef JWT_FALLTHROUGH -#define JWT_FALLTHROUGH -#endif - -namespace jwt { - namespace alphabet { - struct base64 { - static const std::array<char, 64>& data() { - static std::array<char, 64> data = { - {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', - 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', - 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', - 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'}}; - return data; - }; - static const std::string& fill() { - static std::string fill = "="; - return fill; - } - }; - struct base64url { - static const std::array<char, 64>& data() { - static std::array<char, 64> data = { - {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', - 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f', - 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', - 'w', 'x', 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '-', '_'}}; - return data; - }; - static const std::string& fill() { - static std::string fill = "%3d"; - return fill; - } - }; - } - - class base { - public: - template<typename T> - static std::string encode(const std::string& bin) { - return encode(bin, T::data(), T::fill()); - } - template<typename T> - static std::string decode(const std::string& base) { - return decode(base, T::data(), T::fill()); - } - template<typename T> - static std::string pad(const std::string& base) { - return pad(base, T::fill()); - } - template<typename T> - static std::string trim(const std::string& base) { - return trim(base, T::fill()); - } - - private: - static std::string encode(const std::string& bin, const std::array<char, 64>& alphabet, const std::string& fill) { - size_t size = bin.size(); - std::string res; - - // clear incomplete bytes - size_t fast_size = size - size % 3; - for (size_t i = 0; i < fast_size;) { - uint32_t octet_a = (unsigned char)bin[i++]; - uint32_t octet_b = (unsigned char)bin[i++]; - uint32_t octet_c = (unsigned char)bin[i++]; - - uint32_t triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c; - - res += alphabet[(triple >> 3 * 6) & 0x3F]; - res += alphabet[(triple >> 2 * 6) & 0x3F]; - res += alphabet[(triple >> 1 * 6) & 0x3F]; - res += alphabet[(triple >> 0 * 6) & 0x3F]; - } - - if (fast_size == size) - return res; - - size_t mod = size % 3; - - uint32_t octet_a = fast_size < size ? (unsigned char)bin[fast_size++] : 0; - uint32_t octet_b = fast_size < size ? (unsigned char)bin[fast_size++] : 0; - uint32_t octet_c = fast_size < size ? (unsigned char)bin[fast_size++] : 0; - - uint32_t triple = (octet_a << 0x10) + (octet_b << 0x08) + octet_c; - - switch (mod) { - case 1: - res += alphabet[(triple >> 3 * 6) & 0x3F]; - res += alphabet[(triple >> 2 * 6) & 0x3F]; - res += fill; - res += fill; - break; - case 2: - res += alphabet[(triple >> 3 * 6) & 0x3F]; - res += alphabet[(triple >> 2 * 6) & 0x3F]; - res += alphabet[(triple >> 1 * 6) & 0x3F]; - res += fill; - break; - default: - break; - } - - return res; - } - - static std::string decode(const std::string& base, const std::array<char, 64>& alphabet, const std::string& fill) { - size_t size = base.size(); - - size_t fill_cnt = 0; - while (size > fill.size()) { - if (base.substr(size - fill.size(), fill.size()) == fill) { - fill_cnt++; - size -= fill.size(); - if(fill_cnt > 2) - throw std::runtime_error("Invalid input"); - } - else break; - } - - if ((size + fill_cnt) % 4 != 0) - throw std::runtime_error("Invalid input"); - - size_t out_size = size / 4 * 3; - std::string res; - res.reserve(out_size); - - auto get_sextet = [&](size_t offset) { - for (size_t i = 0; i < alphabet.size(); i++) { - if (alphabet[i] == base[offset]) - return static_cast<uint32_t>(i); - } - throw std::runtime_error("Invalid input"); - }; - - - size_t fast_size = size - size % 4; - for (size_t i = 0; i < fast_size;) { - uint32_t sextet_a = get_sextet(i++); - uint32_t sextet_b = get_sextet(i++); - uint32_t sextet_c = get_sextet(i++); - uint32_t sextet_d = get_sextet(i++); - - uint32_t triple = (sextet_a << 3 * 6) - + (sextet_b << 2 * 6) - + (sextet_c << 1 * 6) - + (sextet_d << 0 * 6); - - res += (triple >> 2 * 8) & 0xFF; - res += (triple >> 1 * 8) & 0xFF; - res += (triple >> 0 * 8) & 0xFF; - } - - if (fill_cnt == 0) - return res; - - uint32_t triple = (get_sextet(fast_size) << 3 * 6) - + (get_sextet(fast_size + 1) << 2 * 6); - - switch (fill_cnt) { - case 1: - triple |= (get_sextet(fast_size + 2) << 1 * 6); - res += (triple >> 2 * 8) & 0xFF; - res += (triple >> 1 * 8) & 0xFF; - break; - case 2: - res += (triple >> 2 * 8) & 0xFF; - break; - default: - break; - } - - return res; - } - - static std::string pad(const std::string& base, const std::string& fill) { - std::string padding; - switch (base.size() % 4) { - case 1: - padding += fill; - JWT_FALLTHROUGH; - case 2: - padding += fill; - JWT_FALLTHROUGH; - case 3: - padding += fill; - JWT_FALLTHROUGH; - default: - break; - } - - return base + padding; - } - - static std::string trim(const std::string& base, const std::string& fill) { - auto pos = base.find(fill); - return base.substr(0, pos); - } - }; -} |