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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.
*/
#include <sys/stat.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include "config.h"
#include "file.h"
#include "mime.h"
#include "str.h"
#include "url.h"
#include "util.h"
void
file_free(struct file * file)
{
if (file == NULL)
return;
if (file->path != NULL) {
free(file->path);
file->path = NULL;
}
if (file->action_url != NULL) {
free(file->action_url);
file->action_url = NULL;
}
free(file);
}
static bool
fill_metadata(struct file * f)
{
char *ext, *data_dir;
char path[PATH_MAX];
struct stat sb;
size_t path_len;
data_dir = config_data_dir();
if (data_dir == NULL)
return false;
/* default mime */
f->mime = MIME_BIN;
/* check if it is a directory */
path_len = url_build(path, PATH_MAX, data_dir, f->path, NULL);
if (path_len == 0 || path_len >= PATH_MAX)
return false;
if (stat(path, &sb) != 0)
return false;
f->size = sb.st_size;
f->is_dir = S_ISDIR(sb.st_mode);
/* find mime from file extension */
ext = strrchr(f->path, '.');
if (!ext || ext == f->path) {
return true;
}
ext++;
f->mime = mime_from_ext(ext);
return true;
}
struct file *
file_new(const char *path)
{
struct file *file;
if (path == NULL)
return NULL;
file = (struct file *) calloc(1, sizeof(struct file));
if (file == NULL)
return NULL;
/* empty path is considered as root */
if (strlen(path) == 0) {
file->path = malloc(sizeof(char) * 2);
if (file->path == NULL) {
file_free(file);
return NULL;
}
strlcpy(file->path, "/", 2);
} else {
file->path = strdup(path);
if (file->path == NULL) {
file_free(file);
return NULL;
}
}
if (!fill_metadata(file)) {
file_free(file);
return NULL;
}
return file;
}
char *
file_get_basename(const struct file * f)
{
if (f == NULL || f->path == NULL)
return NULL;
/* is the path a basename itself? */
if (strrchr(f->path, '/') == NULL)
return f->path;
/* split for the basename */
return str_split(f->path, '/');
}
size_t
file_get_data_path(const struct file * f, char *data_path, size_t data_path_len,
char *append)
{
char *data_dir;
size_t path_len;
data_dir = config_data_dir();
if (data_dir == NULL)
return 0;
/* check if it is a directory */
path_len = url_build(data_path, data_path_len, data_dir, f->path,
append, NULL);
if (path_len == 0 || path_len >= PATH_MAX)
return 0;
return path_len;
}
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