mirror of
https://github.com/Icinga/icinga2.git
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71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2016 Icinga Development Team (https://www.icinga.org/) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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#include "remote/base64.hpp"
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#include <openssl/bio.h>
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#include <openssl/evp.h>
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#include <openssl/buffer.h>
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#include <sstream>
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using namespace icinga;
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String Base64::Encode(const String& input)
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{
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BIO *biomem = BIO_new(BIO_s_mem());
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BIO *bio64 = BIO_new(BIO_f_base64());
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BIO_push(bio64, biomem);
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BIO_set_flags(bio64, BIO_FLAGS_BASE64_NO_NL);
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BIO_write(bio64, input.CStr(), input.GetLength());
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(void) BIO_flush(bio64);
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char *outbuf;
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long len = BIO_get_mem_data(biomem, &outbuf);
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String ret = String(outbuf, outbuf + len);
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BIO_free_all(bio64);
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return ret;
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}
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String Base64::Decode(const String& input)
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{
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BIO *biomem = BIO_new_mem_buf(
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const_cast<char*>(input.CStr()), input.GetLength());
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BIO *bio64 = BIO_new(BIO_f_base64());
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BIO_push(bio64, biomem);
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BIO_set_flags(bio64, BIO_FLAGS_BASE64_NO_NL);
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char *outbuf = new char[input.GetLength()];
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size_t len = 0;
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int rc;
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while ((rc = BIO_read(bio64, outbuf + len, input.GetLength() - len)) > 0)
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len += rc;
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String ret = String(outbuf, outbuf + len);
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BIO_free_all(bio64);
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delete [] outbuf;
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if (ret.IsEmpty() && !input.IsEmpty())
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throw std::invalid_argument("Not a valid base64 string");
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return ret;
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}
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