src/server/webdav/davparser.cpp

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2013 Olaf Wintermann. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *   1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *
 *   2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include "davparser.h"

#include "../util/pool.h"
#include "../util/pblock.h"

#include "saxhandler.h"

#include <xercesc/sax2/SAX2XMLReader.hpp>
#include <xercesc/sax2/XMLReaderFactory.hpp>
#include <xercesc/sax2/DefaultHandler.hpp>
#include <xercesc/util/XMLString.hpp>
#include <xercesc/framework/MemBufInputSource.hpp>

XERCES_CPP_NAMESPACE_USE;

int xcinit = 0;

PropfindRequest* dav_parse_propfind(
        Session *sn,
        Request *rq,
        char *xml,
        size_t len)
{
    if(!xcinit) {
        /* TODO: create webdav module init function */
        XMLPlatformUtils::Initialize();
        xcinit = 1;
    }
    PropfindRequest *davrq = (PropfindRequest*)pool_calloc(
            sn->pool,
            1,
            sizeof(PropfindRequest));
    davrq->nsmap = xmlnsmap_create(sn->pool);
    xmlnsmap_put(davrq->nsmap, (char*)"DAV:");
    davrq->allprop = 0;
    davrq->propname = 0;
    davrq->prop = 0;
    davrq->properties = NULL;
    davrq->forbiddenProps = NULL;
    davrq->notFoundProps = NULL;
    davrq->mgrdata = NULL;
    // create xml parser
    SAX2XMLReader* parser = XMLReaderFactory::createXMLReader();
    parser->setFeature(XMLUni::fgSAX2CoreNameSpaces, true);

    PropfindHandler handler(davrq, sn->pool);
    parser->setContentHandler(&handler);
    parser->setErrorHandler(&handler);

    MemBufInputSource source((XMLByte*)xml, (XMLSize_t)len, "wsid");
    try {
        parser->parse(source);
    }
    catch (const XMLException& e) {
        printf("XMLException\n");
        
    }
    catch (const SAXParseException& e) {
        printf("SAXParseException\n");
        
    }
    catch (...) {
        printf("davaparser Exception\n");
    }

    delete parser;
    

    return davrq;
}

void dav_free_propfind(PropfindRequest *rq) {
    ucx_list_free(rq->forbiddenProps);
    ucx_list_free(rq->notFoundProps);
    //ucx_dlist_free(rq->properties); // uses pool
    sbuf_free(rq->out);
}

ProppatchRequest* dav_parse_proppatch(
        Session *sn,
        Request *rq,
        char *xml,
        size_t len)
{
    if(!xcinit) {
        /* TODO: create webdav module init function */
        XMLPlatformUtils::Initialize();
        xcinit = 1;
    }
    ProppatchRequest *davrq = (ProppatchRequest*)pool_calloc(
            sn->pool,
            1,
            sizeof(PropfindRequest));
    davrq->nsmap = xmlnsmap_create(sn->pool);
    xmlnsmap_put(davrq->nsmap, (char*)"DAV:");
    
    
    // create xml parser
    SAX2XMLReader* parser = XMLReaderFactory::createXMLReader();
    parser->setFeature(XMLUni::fgSAX2CoreNameSpaces, true);

    ProppatchHandler handler(davrq, sn->pool);
    parser->setContentHandler(&handler);
    parser->setErrorHandler(&handler);

    MemBufInputSource source((XMLByte*)xml, (XMLSize_t)len, "wsid");
    try {
        parser->parse(source);
    }
    catch (const XMLException& e) {
        printf("XMLException\n");
        
    }
    catch (const SAXParseException& e) {
        printf("SAXParseException\n");
        
    }
    catch (...) {
        printf("davaparser Exception\n");
    }

    delete parser;
    

    return davrq;
}

void dav_free_proppatch(ProppatchRequest *rq) {
    ucx_list_free(rq->removeProps);
    ucx_list_free(rq->setProps);
    xmlnsmap_free(rq->nsmap);
    ucx_map_free(rq->propstat->map);
    ucx_list_free(rq->propstat->okprop);
}