1 f224a3fe 2021-08-24 xhr /*
 2 f224a3fe 2021-08-24 xhr  * Copyright (c) 2021 Matthias Schmidt <xhr@giessen.ccc.de>
 3 f224a3fe 2021-08-24 xhr  *
 4 f224a3fe 2021-08-24 xhr  * Permission to use, copy, modify, and distribute this software for any
 5 f224a3fe 2021-08-24 xhr  * purpose with or without fee is hereby granted, provided that the above
 6 f224a3fe 2021-08-24 xhr  * copyright notice and this permission notice appear in all copies.
 7 f224a3fe 2021-08-24 xhr  *
 8 f224a3fe 2021-08-24 xhr  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 9 f224a3fe 2021-08-24 xhr  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 f224a3fe 2021-08-24 xhr  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 f224a3fe 2021-08-24 xhr  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 f224a3fe 2021-08-24 xhr  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 f224a3fe 2021-08-24 xhr  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 f224a3fe 2021-08-24 xhr  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 f224a3fe 2021-08-24 xhr  */
16 f224a3fe 2021-08-24 xhr 
17 f224a3fe 2021-08-24 xhr #include <stddef.h>
18 f224a3fe 2021-08-24 xhr #include <string.h>
19 f224a3fe 2021-08-24 xhr 
20 f224a3fe 2021-08-24 xhr #include "log.h"
21 f224a3fe 2021-08-24 xhr #include "twind.h"
22 f224a3fe 2021-08-24 xhr 
23 f224a3fe 2021-08-24 xhr struct mimetype {
24 f224a3fe 2021-08-24 xhr 	const char *ext;
25 f224a3fe 2021-08-24 xhr 	const char *type;
26 f224a3fe 2021-08-24 xhr };
27 f224a3fe 2021-08-24 xhr 
28 f224a3fe 2021-08-24 xhr static const struct mimetype mime_collection[] = {
29 f224a3fe 2021-08-24 xhr 	{ "gmi", "text/gemini" },
30 f224a3fe 2021-08-24 xhr 	{ "gemini", "text/gemini" },
31 f224a3fe 2021-08-24 xhr 	{ "jpeg", "image/jpeg" },
32 f224a3fe 2021-08-24 xhr 	{ "jpg", "image/jpeg" },
33 f224a3fe 2021-08-24 xhr 	{ "html", "text/html" },
34 f224a3fe 2021-08-24 xhr 	{ "m4a", "audio/x-m4a" },
35 f224a3fe 2021-08-24 xhr 	{ "md", "text/markdown" },
36 f224a3fe 2021-08-24 xhr 	{ "mov", "video/quicktime" },
37 f224a3fe 2021-08-24 xhr 	{ "mp3", "audio/mpeg" },
38 f224a3fe 2021-08-24 xhr 	{ "mp4", "video/mp4" },
39 f224a3fe 2021-08-24 xhr 	{ "mpeg", "video/mpeg" },
40 f224a3fe 2021-08-24 xhr 	{ "mpg", "video/mpeg" },
41 f224a3fe 2021-08-24 xhr 	{ "ogg", "audio/ogg" },
42 f224a3fe 2021-08-24 xhr 	{ "pdf", "application/pdf" },
43 f224a3fe 2021-08-24 xhr 	{ "png", "image/png" },
44 f224a3fe 2021-08-24 xhr 	{ "svg", "image/svg+xml" },
45 f224a3fe 2021-08-24 xhr 	{ "txt", "text/plain" },
46 f224a3fe 2021-08-24 xhr 	{ "wmv", "video/x-ms-wmv" }
47 f224a3fe 2021-08-24 xhr };
48 f224a3fe 2021-08-24 xhr 
49 f224a3fe 2021-08-24 xhr #ifndef nitems
50 f224a3fe 2021-08-24 xhr #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
51 f224a3fe 2021-08-24 xhr #endif
52 f224a3fe 2021-08-24 xhr 
53 f224a3fe 2021-08-24 xhr char *
54 f224a3fe 2021-08-24 xhr get_file_extension(const char *path)
55 f224a3fe 2021-08-24 xhr {
56 f224a3fe 2021-08-24 xhr 	char *p, *ext;
57 f224a3fe 2021-08-24 xhr 
58 f224a3fe 2021-08-24 xhr 	if (strlen(path) == 0)
59 f224a3fe 2021-08-24 xhr 		return NULL;
60 f224a3fe 2021-08-24 xhr 
61 f224a3fe 2021-08-24 xhr 	if ((p = strrchr(path, '.')) == NULL)
62 f224a3fe 2021-08-24 xhr 		return NULL;
63 f224a3fe 2021-08-24 xhr 
64 f224a3fe 2021-08-24 xhr 	p += 1;
65 f224a3fe 2021-08-24 xhr 	ext = xstrdup(p);
66 f224a3fe 2021-08-24 xhr 
67 f224a3fe 2021-08-24 xhr 	return ext;
68 f224a3fe 2021-08-24 xhr }
69 f224a3fe 2021-08-24 xhr 
70 f224a3fe 2021-08-24 xhr char *
71 f224a3fe 2021-08-24 xhr get_mime_type(const char *ext)
72 f224a3fe 2021-08-24 xhr {
73 f224a3fe 2021-08-24 xhr 	char *mime = NULL;
74 f224a3fe 2021-08-24 xhr 	size_t len;
75 f224a3fe 2021-08-24 xhr 	long unsigned int i;
76 f224a3fe 2021-08-24 xhr 
77 f224a3fe 2021-08-24 xhr 	if ((len = strlen(ext)) == 0)
78 f224a3fe 2021-08-24 xhr 		return NULL;
79 f224a3fe 2021-08-24 xhr 
80 f224a3fe 2021-08-24 xhr 	for (i=0; i < nitems(mime_collection); i++)
81 f224a3fe 2021-08-24 xhr 		if (strcasecmp(ext, mime_collection[i].ext) == 0)
82 f224a3fe 2021-08-24 xhr 			mime = xstrdup(mime_collection[i].type);
83 f224a3fe 2021-08-24 xhr 
84 f224a3fe 2021-08-24 xhr 	return mime;
85 f224a3fe 2021-08-24 xhr }