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| -rw-r--r-- | include/util_cookies.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/include/util_cookies.h b/include/util_cookies.h new file mode 100644 index 0000000..51f8fac --- /dev/null +++ b/include/util_cookies.h @@ -0,0 +1,146 @@ +/* Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/** + * @file util_cookies.h + * @brief Apache cookie library + */ + +#ifndef UTIL_COOKIES_H +#define UTIL_COOKIES_H + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @defgroup APACHE_CORE_COOKIE Cookies + * @ingroup APACHE_CORE + * + * RFC2109 and RFC2965 compliant HTTP cookies can be read from and written + * to using this set of functions. + * + * @{ + * + */ + +#include "apr_errno.h" +#include "httpd.h" + +#define SET_COOKIE "Set-Cookie" +#define SET_COOKIE2 "Set-Cookie2" +#define DEFAULT_ATTRS "HttpOnly;Secure;Version=1" +#define CLEAR_ATTRS "Version=1" + +typedef struct { + request_rec *r; + const char *name; + const char *encoded; + apr_table_t *new_cookies; + int duplicated; +} ap_cookie_do; + +/** + * Write an RFC2109 compliant cookie. + * + * @param r The request + * @param name The name of the cookie. + * @param val The value to place in the cookie. + * @param attrs The string containing additional cookie attributes. If NULL, the + * DEFAULT_ATTRS will be used. + * @param maxage If non zero, a Max-Age header will be added to the cookie. + * @param ... A varargs array of zero or more (apr_table_t *) tables followed by NULL + * to which the cookies should be added. + */ +AP_DECLARE(apr_status_t) ap_cookie_write(request_rec * r, const char *name, + const char *val, const char *attrs, + long maxage, ...) + AP_FN_ATTR_SENTINEL; + +/** + * Write an RFC2965 compliant cookie. + * + * @param r The request + * @param name2 The name of the cookie. + * @param val The value to place in the cookie. + * @param attrs2 The string containing additional cookie attributes. If NULL, the + * DEFAULT_ATTRS will be used. + * @param maxage If non zero, a Max-Age header will be added to the cookie. + * @param ... A varargs array of zero or more (apr_table_t *) tables followed by NULL + * to which the cookies should be added. + */ +AP_DECLARE(apr_status_t) ap_cookie_write2(request_rec * r, const char *name2, + const char *val, const char *attrs2, + long maxage, ...) + AP_FN_ATTR_SENTINEL; + +/** + * Remove an RFC2109 compliant cookie. + * + * @param r The request + * @param name The name of the cookie. + * @param attrs The string containing additional cookie attributes. If NULL, the + * CLEAR_ATTRS will be used. + * @param ... A varargs array of zero or more (apr_table_t *) tables followed by NULL + * to which the cookies should be added. + */ +AP_DECLARE(apr_status_t) ap_cookie_remove(request_rec * r, const char *name, + const char *attrs, ...) + AP_FN_ATTR_SENTINEL; + +/** + * Remove an RFC2965 compliant cookie. + * + * @param r The request + * @param name2 The name of the cookie. + * @param attrs2 The string containing additional cookie attributes. If NULL, the + * CLEAR_ATTRS will be used. + * @param ... A varargs array of zero or more (apr_table_t *) tables followed by NULL + * to which the cookies should be added. + */ +AP_DECLARE(apr_status_t) ap_cookie_remove2(request_rec * r, const char *name2, + const char *attrs2, ...) + AP_FN_ATTR_SENTINEL; + +/** + * Read a cookie called name, placing its value in val. + * + * Both the Cookie and Cookie2 headers are scanned for the cookie. + * + * If the cookie is duplicated, this function returns APR_EGENERAL. If found, + * and if remove is non zero, the cookie will be removed from the headers, and + * thus kept private from the backend. + */ +AP_DECLARE(apr_status_t) ap_cookie_read(request_rec * r, const char *name, const char **val, + int remove); + +/** + * Sanity check a given string that it exists, is not empty, + * and does not contain the special characters '=', ';' and '&'. + * + * It is used to sanity check the cookie names. + */ +AP_DECLARE(apr_status_t) ap_cookie_check_string(const char *string); + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* !UTIL_COOKIES_H */ |