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Verification

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This commit is contained in:
Arun M 2017-11-20 00:38:55 +05:30
parent 796abd6e65
commit 81e6b2392e
8 changed files with 125 additions and 30 deletions
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45
include/jwt/impl/algorithm.ipp
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@ -1,6 +1,8 @@
#ifndef CPP_JWT_ALGORITHM_IPP
#define CPP_JWT_ALGORITHM_IPP
#include <iostream>
namespace jwt {
template <typename Hasher>
@ -14,10 +16,14 @@ verify_result_t HMACSign<Hasher>::verify(
if (ptr) BIO_free_all(ptr);
};
using bio_deletor_t = decltype(bio_deletor);
using BIO_unique_ptr = std::unique_ptr<BIO_unique_ptr, bio_deletor_t>;
std::cout << "Key: " << key << std::endl;
std::cout << "Head: " << head << std::endl;
std::cout << "JWT: " << jwt_sign << std::endl;
BIO_unique_ptr b64{BIO_new(BIO_f_base64())};
using bio_deletor_t = decltype(bio_deletor);
using BIO_unique_ptr = std::unique_ptr<BIO, bio_deletor_t>;
BIO_unique_ptr b64{BIO_new(BIO_f_base64()), bio_deletor};
if (!b64) {
//TODO: set error code
return {false, ec};
@ -29,10 +35,11 @@ verify_result_t HMACSign<Hasher>::verify(
return {false, ec};
}
BIO_push(b64, bmem);
BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL);
BIO_push(b64.get(), bmem);
BIO_set_flags(b64.get(), BIO_FLAGS_BASE64_NO_NL);
unsigned char enc_buf[EVP_MAX_MD_SIZE];
uint32_t enc_buf_len = 0;
unsigned char* res = HMAC(Hasher{}(),
key.data(),
@ -41,12 +48,36 @@ verify_result_t HMACSign<Hasher>::verify(
head.length(),
enc_buf,
&enc_buf_len);
if (!res) {
//TODO: set error code
return {false, ec};
}
return {true, ec};
BIO_write(b64.get(), enc_buf, enc_buf_len);
(void)BIO_flush(b64.get());
int len = BIO_pending(bmem);
if (len < 0) {
//TODO: set error code
return {false, ec};
}
std::string cbuf;
cbuf.resize(len + 1);
len = BIO_read(bmem, &cbuf[0], len);
cbuf.resize(len);
//Make the base64 string url safe
auto new_len = jwt::base64_uri_encode(&cbuf[0], cbuf.length());
cbuf.resize(new_len);
std::cout << "cbuf: " << cbuf << std::endl;
return {string_view{cbuf} == jwt_sign, ec};
}
template <typename Hasher>
sign_result_t PEMSign<Hasher>::load_key(const string_view key)
EVP_PKEY* PEMSign<Hasher>::load_key(const string_view key)
{
auto bio_deletor = [](BIO* ptr) {
if (ptr) BIO_free(ptr);