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1 0fbe79b3 2021-01-18 op /*
2 0fbe79b3 2021-01-18 op * Copyright (c) 2021 Omar Polo <op@omarpolo.com>
3 0fbe79b3 2021-01-18 op *
4 0fbe79b3 2021-01-18 op * Permission to use, copy, modify, and distribute this software for any
5 0fbe79b3 2021-01-18 op * purpose with or without fee is hereby granted, provided that the above
6 0fbe79b3 2021-01-18 op * copyright notice and this permission notice appear in all copies.
7 0fbe79b3 2021-01-18 op *
8 0fbe79b3 2021-01-18 op * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9 0fbe79b3 2021-01-18 op * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10 0fbe79b3 2021-01-18 op * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11 0fbe79b3 2021-01-18 op * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12 0fbe79b3 2021-01-18 op * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13 0fbe79b3 2021-01-18 op * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14 0fbe79b3 2021-01-18 op * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15 0fbe79b3 2021-01-18 op */
16 0fbe79b3 2021-01-18 op
17 52418c8d 2021-02-12 op #include "gmid.h"
18 52418c8d 2021-02-12 op
19 0fbe79b3 2021-01-18 op #include <errno.h>
20 0fbe79b3 2021-01-18 op #include <stdlib.h>
21 0fbe79b3 2021-01-18 op #include <string.h>
22 0fbe79b3 2021-01-18 op
23 0fbe79b3 2021-01-18 op void
24 b2a6b613 2021-01-21 op init_mime(struct mime *mime)
25 0fbe79b3 2021-01-18 op {
26 b2a6b613 2021-01-21 op mime->len = 0;
27 b2a6b613 2021-01-21 op mime->cap = 16;
28 0fbe79b3 2021-01-18 op
29 b2a6b613 2021-01-21 op mime->t = calloc(mime->cap, sizeof(struct etm));
30 b2a6b613 2021-01-21 op if (mime->t == NULL)
31 0fbe79b3 2021-01-18 op fatal("calloc: %s", strerror(errno));
32 0fbe79b3 2021-01-18 op }
33 0fbe79b3 2021-01-18 op
34 0fbe79b3 2021-01-18 op /* register mime for the given extension */
35 0fbe79b3 2021-01-18 op void
36 b2a6b613 2021-01-21 op add_mime(struct mime *mime, const char *mt, const char *ext)
37 0fbe79b3 2021-01-18 op {
38 95210bb3 2021-01-21 op size_t oldcap;
39 95210bb3 2021-01-21 op
40 b2a6b613 2021-01-21 op if (mime->len == mime->cap) {
41 95210bb3 2021-01-21 op oldcap = mime->cap;
42 b2a6b613 2021-01-21 op mime->cap *= 1.5;
43 95210bb3 2021-01-21 op mime->t = recallocarray(mime->t, oldcap, mime->cap,
44 95210bb3 2021-01-21 op sizeof(struct etm));
45 b2a6b613 2021-01-21 op if (mime->t == NULL)
46 95210bb3 2021-01-21 op err(1, "recallocarray");
47 0fbe79b3 2021-01-18 op }
48 0fbe79b3 2021-01-18 op
49 b2a6b613 2021-01-21 op mime->t[mime->len].mime = mt;
50 b2a6b613 2021-01-21 op mime->t[mime->len].ext = ext;
51 b2a6b613 2021-01-21 op mime->len++;
52 0fbe79b3 2021-01-18 op }
53 0fbe79b3 2021-01-18 op
54 0fbe79b3 2021-01-18 op /* load a default set of common mime-extension associations */
55 0fbe79b3 2021-01-18 op void
56 b2a6b613 2021-01-21 op load_default_mime(struct mime *mime)
57 0fbe79b3 2021-01-18 op {
58 0fbe79b3 2021-01-18 op struct etm *i, m[] = {
59 0fbe79b3 2021-01-18 op {"application/pdf", "pdf"},
60 0fbe79b3 2021-01-18 op {"image/gif", "gif"},
61 0fbe79b3 2021-01-18 op {"image/jpeg", "jpg"},
62 0fbe79b3 2021-01-18 op {"image/jpeg", "jpeg"},
63 0fbe79b3 2021-01-18 op {"image/png", "png"},
64 0fbe79b3 2021-01-18 op {"image/svg+xml", "svg"},
65 0fbe79b3 2021-01-18 op {"text/gemini", "gemini"},
66 0fbe79b3 2021-01-18 op {"text/gemini", "gmi"},
67 0fbe79b3 2021-01-18 op {"text/markdown", "markdown"},
68 0fbe79b3 2021-01-18 op {"text/markdown", "md"},
69 0fbe79b3 2021-01-18 op {"text/plain", "txt"},
70 0bfdcb17 2021-04-22 op {"text/x-patch", "diff"},
71 4d820b6c 2021-04-21 op {"text/x-patch", "patch"},
72 0fbe79b3 2021-01-18 op {"text/xml", "xml"},
73 0fbe79b3 2021-01-18 op {NULL, NULL}
74 0fbe79b3 2021-01-18 op };
75 0fbe79b3 2021-01-18 op
76 0fbe79b3 2021-01-18 op for (i = m; i->mime != NULL; ++i)
77 b2a6b613 2021-01-21 op add_mime(mime, i->mime, i->ext);
78 0fbe79b3 2021-01-18 op }
79 0fbe79b3 2021-01-18 op
80 0fbe79b3 2021-01-18 op static const char *
81 0fbe79b3 2021-01-18 op path_ext(const char *path)
82 0fbe79b3 2021-01-18 op {
83 0fbe79b3 2021-01-18 op const char *end;
84 0fbe79b3 2021-01-18 op
85 0fbe79b3 2021-01-18 op end = path + strlen(path)-1;
86 0fbe79b3 2021-01-18 op for (; end != path; --end) {
87 0fbe79b3 2021-01-18 op if (*end == '.')
88 0fbe79b3 2021-01-18 op return end+1;
89 0fbe79b3 2021-01-18 op if (*end == '/')
90 0fbe79b3 2021-01-18 op break;
91 0fbe79b3 2021-01-18 op }
92 0fbe79b3 2021-01-18 op
93 0fbe79b3 2021-01-18 op return NULL;
94 0fbe79b3 2021-01-18 op }
95 0fbe79b3 2021-01-18 op
96 0fbe79b3 2021-01-18 op const char *
97 6119e13e 2021-01-19 op mime(struct vhost *host, const char *path)
98 0fbe79b3 2021-01-18 op {
99 6119e13e 2021-01-19 op const char *def, *ext;
100 0fbe79b3 2021-01-18 op struct etm *t;
101 0fbe79b3 2021-01-18 op
102 c8b74339 2021-01-24 op def = vhost_default_mime(host, path);
103 6119e13e 2021-01-19 op
104 0fbe79b3 2021-01-18 op if ((ext = path_ext(path)) == NULL)
105 6119e13e 2021-01-19 op return def;
106 0fbe79b3 2021-01-18 op
107 b2a6b613 2021-01-21 op for (t = conf.mime.t; t->mime != NULL; ++t)
108 0fbe79b3 2021-01-18 op if (!strcmp(ext, t->ext))
109 0fbe79b3 2021-01-18 op return t->mime;
110 0fbe79b3 2021-01-18 op
111 6119e13e 2021-01-19 op return def;
112 0fbe79b3 2021-01-18 op }