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TXFMBase64.hpp

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00001 /*
00002  * The Apache Software License, Version 1.1
00003  *
00004  * Copyright (c) 2002 Berin Lautenbach.  All rights reserved.
00005  *
00006  * Redistribution and use in source and binary forms, with or without
00007  * modification, are permitted provided that the following conditions
00008  * are met:
00009  *
00010  * 1. Redistributions of source code must retain the above copyright
00011  *    notice, this list of conditions and the following disclaimer.
00012  *
00013  * 2. Redistributions in binary form must reproduce the above copyright
00014  *    notice, this list of conditions and the following disclaimer in
00015  *    the documentation and/or other materials provided with the
00016  *    distribution.
00017  *
00018  * 3. The end-user documentation included with the redistribution,
00019  *    if any, must include the following acknowledgment:
00020  *       "This product includes software developed by
00021  *                   Berin Lautenbach"
00022  *    Alternately, this acknowledgment may appear in the software itself,
00023  *    if and wherever such third-party acknowledgments normally appear.
00024  *
00025  * 4. The names "XSEC", "xml-security-c" and Berin Lautenbach must
00026  *    not be used to endorse or promote products derived from this
00027  *    software without prior written permission. For written
00028  *    permission, please contact berin@users.sourceforge.net.
00029  *
00030  * 5. Products derived from this software may not be called "xml-security-c",
00031  *    nor may "xml-security-c" appear in their name, without prior written
00032  *    permission of Berin Lautenbach.
00033  *
00034  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
00035  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
00036  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00037  * DISCLAIMED.  IN NO EVENT SHALL BERIN LAUTENBACH OR OTHER
00038  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
00039  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
00040  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
00041  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
00042  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00043  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
00044  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00045  * SUCH DAMAGE.
00046  * ====================================================================
00047  */
00048 
00049 /*
00050  * XSEC
00051  *
00052  * TXFMBase64 := Class that performs a Base64 transforms
00053  *
00054  */
00055 
00056 // XSEC Includes
00057 
00058 #include <xsec/transformers/TXFMBase.hpp>
00059 #include <xsec/enc/XSECCryptoBase64.hpp>
00060  
00061 // Openssl includes
00062 
00063 class DSIG_EXPORT TXFMBase64 : public TXFMBase {
00064 
00065 private:
00066 
00067     bool                m_complete;                 // Is the work done
00068     unsigned char       m_base64Buffer[2050];       // Always keep 2K of data
00069     XSECCryptoBase64 *  mp_b64;
00070     
00071 public:
00072 
00073     // Constructors and destructors
00074 
00075     TXFMBase64(DOMDocument *doc);
00076     ~TXFMBase64();
00077 
00078     // Methods to get tranform output type and input requirement
00079 
00080     virtual TXFMBase::ioType getInputType(void);
00081     virtual TXFMBase::ioType getOutputType(void);
00082     virtual nodeType getNodeType(void);
00083 
00084     // Methods to set input data
00085 
00086     virtual void setInput(TXFMBase * newInput);
00087 
00088     // Methods to get output data
00089 
00090     virtual unsigned int readBytes(XMLByte * const toFill, const unsigned int maxToFill);
00091     virtual DOMDocument *getDocument();
00092     virtual DOMNode *getFragmentNode();
00093     virtual safeBuffer getFragmentId();
00094     
00095 private:
00096     TXFMBase64();
00097 };

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