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/*
* Copyright 2023, Vincent Douillet <vincent@vdouillet.fr>
*
* 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. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* 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 URL_H
#define URL_H
#include <stdbool.h>
/*
* Checks that the path can be safely processed. Namely, it should not contain
* "..", which denotes an attempt to get out of the DATA_DIR root folder.
* The path is required.
* The suffix is required but can be an empty string
*/
bool
check_request_path(const char *, const char *);
/*
* Encode a string to use in an HTTP context.
* Returns NULL in case of error, or the encoded string in case of success.
*/
char *
url_encode(const char *);
/*
* Build an URL from the provided components.
* The first argument is the destination buffer where the URL will be written.
* It is required.
* The second argument is the size of the destination buffer. It is required.
* The remaining arguments are the url parts which should end with a NULL
* component.
* Returns the number of characters written to the destination buffer. If it
* is equal to the destination buffer size, it means the buffer was too small
* and the resulting URL has been truncated.
*/
size_t
url_build(char *, size_t,...);
#endif /* URL_H */
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