/*
 * Copyright (c) 2010, FRiCKLE Piotr Sikora <info@frickle.com>
 * 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
 * HOLDERS 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 "ngx_coolkit_module.h"
#include "ngx_coolkit_variables.h"


/*
 * source: ngx_http_variables.c/ngx_http_variable_remote_user
 * Copyright (C) Igor Sysoev
 */
ngx_int_t
ngx_coolkit_variable_remote_passwd(ngx_http_request_t *r,
    ngx_http_variable_value_t *v, uintptr_t data)
{
    ngx_int_t  rc;

    rc = ngx_http_auth_basic_user(r);

    if (rc == NGX_DECLINED) {
        v->not_found = 1;
        return NGX_OK;
    }

    if (rc == NGX_ERROR) {
        return NGX_ERROR;
    }

    v->len = r->headers_in.passwd.len;
    v->valid = 1;
    v->no_cacheable = 0;
    v->not_found = 0;
    v->data = r->headers_in.passwd.data;

    return NGX_OK;
}


ngx_int_t
ngx_coolkit_variable_location(ngx_http_request_t *r,
    ngx_http_variable_value_t *v, uintptr_t data)
{
    ngx_http_core_loc_conf_t  *clcf;
#if (NGX_PCRE)
    ngx_int_t                  rc;
    int                        captures[3];
#endif

    clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);

#if (NGX_PCRE)
    if (clcf->regex) {
        rc = ngx_regex_exec(clcf->regex->regex, &r->uri, captures, 3);

        if (rc == NGX_REGEX_NO_MATCHED) {
            return NGX_ERROR;
        }

        v->data = r->uri.data + captures[0];
        v->len = captures[1] - captures[0];

    } else
#endif
    {
        v->data = clcf->name.data;
        v->len = clcf->name.len;
    }

    v->valid = 1;
    v->no_cacheable = 0;
    v->not_found = 0;

    return NGX_OK;
}