src/server/daemon/rewrite.h

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright 2025 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.
 */


#ifndef WS_REWRITE_H
#define WS_REWRITE_H

#include "../public/nsapi.h"
#include "../util/strreplace.h"

#include <cx/string.h>
#include <regex.h>

#ifdef __cplusplus
extern "C" {
#endif

#define WS_REWRITE_NMATCH 16
    
typedef struct RewriteRule {
    /*
     * Compiled match regex
     */
    regex_t regex;
    
    /*
     * does this RewriteRule has a regex rule?
     */
    WSBool has_regex;
    
    /*
     * Rewrite to this url
     */
    StringTemplate *url;
} RewriteRule;

RewriteRule* rewrite_rule_create(const CxAllocator *a, cxmutstr regex, cxmutstr url);

int rewrite_url(
        RewriteRule *rule,
        regmatch_t *match,
        int nmatch,
        const CxAllocator *a,
        const char *url,
        char **new_url);


#ifdef __cplusplus
}
#endif

#endif /* WS_REWRITE_H */