From 56ae875861ab260b80a030f50c4aff9f9dc8fff0 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 13 Apr 2024 13:32:39 +0200 Subject: Adding upstream version 2.14.2. Signed-off-by: Daniel Baumann --- lib/base/base64.cpp | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 lib/base/base64.cpp (limited to 'lib/base/base64.cpp') 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 +#include +#include +#include + +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(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; +} -- cgit v1.2.3