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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:34:54 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-28 12:34:54 +0000 |
commit | 0915b3ef56dfac3113cce55a59a5765dc94976be (patch) | |
tree | a8fea11d50b4f083e1bf0f90025ece7f0824784a /lib/base/base64.cpp | |
parent | Initial commit. (diff) | |
download | icinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.tar.xz icinga2-0915b3ef56dfac3113cce55a59a5765dc94976be.zip |
Adding upstream version 2.13.6.upstream/2.13.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/base/base64.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/lib/base/base64.cpp b/lib/base/base64.cpp new file mode 100644 index 0000000..42999c3 --- /dev/null +++ b/lib/base/base64.cpp @@ -0,0 +1,53 @@ +/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */ + +#include "base/base64.hpp" +#include <openssl/bio.h> +#include <openssl/evp.h> +#include <openssl/buffer.h> +#include <sstream> + +using namespace icinga; + +String Base64::Encode(const String& input) +{ + BIO *biomem = BIO_new(BIO_s_mem()); + BIO *bio64 = BIO_new(BIO_f_base64()); + BIO_push(bio64, biomem); + BIO_set_flags(bio64, BIO_FLAGS_BASE64_NO_NL); + BIO_write(bio64, input.CStr(), input.GetLength()); + (void) BIO_flush(bio64); + + char *outbuf; + long len = BIO_get_mem_data(biomem, &outbuf); + + String ret = String(outbuf, outbuf + len); + BIO_free_all(bio64); + + return ret; +} + +String Base64::Decode(const String& input) +{ + BIO *biomem = BIO_new_mem_buf( + const_cast<char*>(input.CStr()), input.GetLength()); + BIO *bio64 = BIO_new(BIO_f_base64()); + BIO_push(bio64, biomem); + BIO_set_flags(bio64, BIO_FLAGS_BASE64_NO_NL); + + auto *outbuf = new char[input.GetLength()]; + + size_t len = 0; + int rc; + + while ((rc = BIO_read(bio64, outbuf + len, input.GetLength() - len)) > 0) + len += rc; + + String ret = String(outbuf, outbuf + len); + BIO_free_all(bio64); + delete [] outbuf; + + if (ret.IsEmpty() && !input.IsEmpty()) + throw std::invalid_argument("Not a valid base64 string"); + + return ret; +} |