/* ====================================================================
 * Copyright (c) 1995-1997 The Apache Group.  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.
 *
 * 3. All advertising materials mentioning features or use of this
 *    software must display the following acknowledgment:
 *    "This product includes software developed by the Apache Group
 *    for use in the Apache HTTP server project (http://www.apache.org/)."
 *
 * 4. The names "Apache Server" and "Apache Group" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission.
 *
 * 5. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the Apache Group
 *    for use in the Apache HTTP server project (http://www.apache.org/)."
 *
 * THIS SOFTWARE IS PROVIDED BY THE APACHE GROUP ``AS IS'' AND ANY
 * EXPRESSED 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 APACHE GROUP OR
 * ITS 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Group and was originally based
 * on public domain software written at the National Center for
 * Supercomputing Applications, University of Illinois, Urbana-Champaign.
 * For more information on the Apache Group and the Apache HTTP server
 * project, please see <http://www.apache.org/>.
 *
 */

#include "httpd.h"
#include "http_config.h"
#include "http_protocol.h"
#include "http_log.h"
#include "util_script.h"
#include "http_main.h"
#include "http_request.h"

int asis_handler (request_rec *r)
{
    FILE *f;
    char *location;
    
    if (r->method_number != M_GET) return DECLINED;
    if (r->finfo.st_mode == 0) {
	log_reason("File does not exist", r->filename, r);
	return NOT_FOUND;
    }
	
    f = pfopen (r->pool, r->filename, "r");

    if (f == NULL) {
        log_reason("file permissions deny server access", r->filename, r);
        return FORBIDDEN;
    }
      
    scan_script_header (r, f);
    location = table_get (r->headers_out, "Location");

    if (location && location[0] == '/' && 
        ((r->status == HTTP_OK) || is_HTTP_REDIRECT(r->status))) {

        pfclose(r->pool, f);

        /* Internal redirect -- fake-up a pseudo-request */
        r->status = HTTP_OK;

	/* This redirect needs to be a GET no matter what the original
	 * method was.
	*/
	r->method = pstrdup(r->pool, "GET");
	r->method_number = M_GET;

	internal_redirect_handler (location, r);
	return OK;
    }
    
    send_http_header (r);
    if (!r->header_only) send_fd (f, r);

    pfclose(r->pool, f);
    return OK;
}

handler_rec asis_handlers[] = {
{ ASIS_MAGIC_TYPE, asis_handler },
{ "send-as-is", asis_handler },
{ NULL }
};

module asis_module = {
   STANDARD_MODULE_STUFF,
   NULL,			/* initializer */
   NULL,			/* create per-directory config structure */
   NULL,			/* merge per-directory config structures */
   NULL,			/* create per-server config structure */
   NULL,			/* merge per-server config structures */
   NULL,			/* command table */
   asis_handlers,		/* handlers */
   NULL,			/* translate_handler */
   NULL,			/* check_user_id */
   NULL,			/* check auth */
   NULL,			/* check access */
   NULL,			/* type_checker */
   NULL,			/* pre-run fixups */
   NULL,			/* logger */
   NULL				/* header parser */
};
