mimetype.c File Reference

Mime type and file extensions functions. More...

#include "compile_time.h"
#include "src/lib/mimetype.h"
#include "src/lib/log.h"
#include "src/lib/sds_extras.h"
#include "src/lib/utility.h"
#include <errno.h>
#include <string.h>

Include dependency graph for mimetype.c:

Data Structures
struct	t_mime_type_entry

Functions
const char *	get_mime_type_by_ext (const char *filename)
const char *	get_ext_by_mime_type (const char *mime_type)
const char *	get_mime_type_by_magic_stream (sds stream)
const char *	get_mime_type_by_magic_file (const char *filename)
bool	is_image (const char *filename)

Variables
const struct t_mime_type_entry	mime_entries []
const char *	image_extensions []

Detailed Description

Mime type and file extensions functions.

Function Documentation

get_ext_by_mime_type()

const char * get_ext_by_mime_type

(

const char *

mime_type

)

Gets the extension by mime type

Parameters

mime_type

Returns

the extension

get_mime_type_by_ext()

const char * get_mime_type_by_ext

(

const char *

filename

)

Gets the mime type by extension

Parameters

filename

Filename to get the mime type for

Returns

the mime type

get_mime_type_by_magic_file()

const char * get_mime_type_by_magic_file

(

const char *

filename

)

Gets the mime type by magic numbers in binary file

Parameters

filename

Returns

the mime type or generic application/octet-stream

get_mime_type_by_magic_stream()

const char * get_mime_type_by_magic_stream

(

sds

stream

)

Gets the mime type by magic numbers in binary buffer

Parameters

stream

binary buffer

Returns

the mime type or generic application/octet-stream

is_image()

bool is_image

(

const char *

filename

)

Checks the filetype by extension

Parameters

filename

Returns

true if it is a image extension else false

Variable Documentation

image_extensions

const char* image_extensions[]

Initial value:

= {
    "webp",
    "jpg",
    "jpeg",
    "png",
    "avif",
    "svg",
    NULL
}

List of image type extensions

mime_entries

const struct t_mime_type_entry mime_entries[]

Initial value:

= {
    {0, "89504E470D0A1A0A", "png",  "image/png"},
    {0, "FFD8FF",           "jpg",  "image/jpeg"},
    {0, "FFD8FF",           "jpeg", "image/jpeg"},
    {0, "52494646",         "webp", "image/webp"},
    {4, "667479706d696631", "avif", "image/avif"},
    {0, "494433",           "mp3",  "audio/mpeg"},
    {0, "664C6143",         "flac", "audio/flac"},
    {0, "4F676753",         "oga",  "audio/ogg"},
    {0, "4F676753",         "ogg",  "audio/ogg"},
    {0, "4F676753",         "opus", "audio/ogg"},
    {0, "4F676753",        "spx",  "audio/ogg"},
    {0, "",                "svg",  "image/svg+xml"},
    
    {0, NULL,              NULL,   "application/octet-stream"}
}

Magic bytes to extension and mime type handling