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