78 lines
2.4 KiB
C++
78 lines
2.4 KiB
C++
/**
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* @file llbase64.cpp
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* @brief Wrapper for apr base64 encoding that returns a std::string
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* @author James Cook
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*
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* $LicenseInfo:firstyear=2007&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llbase64.h"
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#include <string>
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#include "apr_base64.h"
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// static
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std::string LLBase64::encode(const U8* input, size_t input_size)
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{
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std::string output;
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if (input
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&& input_size > 0)
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{
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// Yes, it returns int.
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int b64_buffer_length = apr_base64_encode_len(narrow(input_size));
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char* b64_buffer = new char[b64_buffer_length];
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// This is faster than apr_base64_encode() if you know
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// you're not on an EBCDIC machine. Also, the output is
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// null terminated, even though the documentation doesn't
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// specify. See apr_base64.c for details. JC
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b64_buffer_length = apr_base64_encode_binary(
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b64_buffer,
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input,
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narrow(input_size));
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output.assign(b64_buffer);
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delete[] b64_buffer;
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}
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return output;
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}
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std::string LLBase64::decodeAsString(const std::string &input)
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{
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int b64_buffer_length = apr_base64_decode_len(input.c_str());
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char* b64_buffer = new char[b64_buffer_length];
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// This is faster than apr_base64_encode() if you know
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// you're not on an EBCDIC machine. Also, the output is
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// null terminated, even though the documentation doesn't
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// specify. See apr_base64.c for details. JC
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b64_buffer_length = apr_base64_decode(b64_buffer, input.c_str());
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std::string res;
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res.assign(b64_buffer);
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delete[] b64_buffer;
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return res;
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}
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