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/*
 * 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 <ucx/string.h>
#include <ucx/map.h>

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

#include "../daemon/config.h"
#include "../daemon/session.h"

int object_type_by_extension(pblock *pb, Session *sn, Request *rq) {
    sstr_t ppath = sstr(pblock_findkeyval(pb_key_ppath, rq->vars));
    //printf("\nobject_type_by_extension: {%s}[%d]\n\n", ppath);

    sstr_t ct;
    if(ppath.ptr[ppath.length - 1] == '/') {
        // directory
        ct = sstrn("internal/directory", 18);
    } else {
        sstr_t ext;
        ext.length = 0;
        for(int i=ppath.length - 1;i>=0;i--) {
            if(ppath.ptr[i] == '.') {
                ext.ptr = ppath.ptr + i + 1;
                ext.length = ppath.length - i - 1;
            }
        }

        if(ext.length == 0) {
            // no extension, no type
            return REQ_NOACTION;
        }

        // get the mime type for the ext from the server configuration
        ServerConfiguration *config = session_get_config(sn);
        
        WS_ASSERT(config);
        WS_ASSERT(config->mimetypes);
        WS_ASSERT(config->mimetypes->map);
        
        char *type = ucx_map_sstr_get(config->mimetypes->map, ext);
        
        if(!type) {
            return REQ_NOACTION;
        }
        
        ct.ptr = type;
        ct.length = strlen(type);
    }

    pblock_kvinsert(pb_key_content_type, ct.ptr, ct.length, rq->srvhdrs);
    return REQ_PROCEED;
}