2 a555e0d6 2022-07-04 op * Copyright (c) 2021, 2022 Omar Polo <op@omarpolo.com>
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.
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.
17 52418c8d 2021-02-12 op #include "gmid.h"
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>
24 b2a6b613 2021-01-21 op init_mime(struct mime *mime)
26 b2a6b613 2021-01-21 op mime->len = 0;
27 b2a6b613 2021-01-21 op mime->cap = 16;
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));
34 0fbe79b3 2021-01-18 op /* register mime for the given extension */
36 b2a6b613 2021-01-21 op add_mime(struct mime *mime, const char *mt, const char *ext)
38 d8d170aa 2022-04-08 op char *mimetype, *extension;
39 d8d170aa 2022-04-08 op struct etm *t;
40 d8d170aa 2022-04-08 op size_t newcap;
42 b2a6b613 2021-01-21 op if (mime->len == mime->cap) {
43 d8d170aa 2022-04-08 op newcap = mime->cap * 1.5;
44 d8d170aa 2022-04-08 op t = recallocarray(mime->t, mime->cap, newcap,
45 95210bb3 2021-01-21 op sizeof(struct etm));
46 d8d170aa 2022-04-08 op if (t == NULL)
49 d8d170aa 2022-04-08 op mime->cap = newcap;
52 d8d170aa 2022-04-08 op if ((mimetype = strdup(mt)) == NULL)
54 d8d170aa 2022-04-08 op if ((extension = strdup(ext)) == NULL) {
55 d8d170aa 2022-04-08 op free(mimetype);
59 d8d170aa 2022-04-08 op mime->t[mime->len].mime = mimetype;
60 d8d170aa 2022-04-08 op mime->t[mime->len].ext = extension;
65 0fbe79b3 2021-01-18 op /* load a default set of common mime-extension associations */
67 b2a6b613 2021-01-21 op load_default_mime(struct mime *mime)
69 d8d170aa 2022-04-08 op const struct mapping {
70 d8d170aa 2022-04-08 op const char *mime;
71 d8d170aa 2022-04-08 op const char *ext;
73 0fbe79b3 2021-01-18 op {"application/pdf", "pdf"},
74 0fbe79b3 2021-01-18 op {"image/gif", "gif"},
75 0fbe79b3 2021-01-18 op {"image/jpeg", "jpg"},
76 0fbe79b3 2021-01-18 op {"image/jpeg", "jpeg"},
77 0fbe79b3 2021-01-18 op {"image/png", "png"},
78 0fbe79b3 2021-01-18 op {"image/svg+xml", "svg"},
79 0fbe79b3 2021-01-18 op {"text/gemini", "gemini"},
80 0fbe79b3 2021-01-18 op {"text/gemini", "gmi"},
81 0fbe79b3 2021-01-18 op {"text/markdown", "markdown"},
82 0fbe79b3 2021-01-18 op {"text/markdown", "md"},
83 0fbe79b3 2021-01-18 op {"text/plain", "txt"},
84 0bfdcb17 2021-04-22 op {"text/x-patch", "diff"},
85 4d820b6c 2021-04-21 op {"text/x-patch", "patch"},
86 0fbe79b3 2021-01-18 op {"text/xml", "xml"},
90 d8d170aa 2022-04-08 op for (i = m; i->mime != NULL; ++i) {
91 d8d170aa 2022-04-08 op if (add_mime(mime, i->mime, i->ext) == -1)
98 0fbe79b3 2021-01-18 op static const char *
99 0fbe79b3 2021-01-18 op path_ext(const char *path)
101 0fbe79b3 2021-01-18 op const char *end;
103 0fbe79b3 2021-01-18 op end = path + strlen(path)-1;
104 0fbe79b3 2021-01-18 op for (; end != path; --end) {
105 0fbe79b3 2021-01-18 op if (*end == '.')
106 0fbe79b3 2021-01-18 op return end+1;
107 0fbe79b3 2021-01-18 op if (*end == '/')
115 18bd8391 2022-04-08 op mime_comp(const void *a, const void *b)
117 18bd8391 2022-04-08 op const struct etm *x = a, *y = b;
119 18bd8391 2022-04-08 op return strcmp(x->ext, y->ext);
123 18bd8391 2022-04-08 op sort_mime(struct mime *m)
125 18bd8391 2022-04-08 op qsort(m->t, m->len, sizeof(*m->t), mime_comp);
129 18bd8391 2022-04-08 op mime_find(const void *a, const void *b)
131 18bd8391 2022-04-08 op const char *ext = a;
132 18bd8391 2022-04-08 op const struct etm *x = b;
134 18bd8391 2022-04-08 op return strcmp(ext, x->ext);
138 6119e13e 2021-01-19 op mime(struct vhost *host, const char *path)
140 6119e13e 2021-01-19 op const char *def, *ext;
141 0fbe79b3 2021-01-18 op struct etm *t;
143 c8b74339 2021-01-24 op def = vhost_default_mime(host, path);
145 0fbe79b3 2021-01-18 op if ((ext = path_ext(path)) == NULL)
148 18bd8391 2022-04-08 op t = bsearch(ext, conf.mime.t, conf.mime.len, sizeof(*conf.mime.t),
150 18bd8391 2022-04-08 op if (t != NULL)
151 18bd8391 2022-04-08 op return t->mime;
152 8fb0df4d 2022-04-08 op if (!strcmp(ext, "gmi") || !strcmp(ext, "gemini"))
153 8fb0df4d 2022-04-08 op return "text/gemini";
158 d8d170aa 2022-04-08 op free_mime(struct mime *m)
160 d8d170aa 2022-04-08 op struct etm *t;
162 d8d170aa 2022-04-08 op for (t = m->t; t->mime != NULL; ++t) {
163 d8d170aa 2022-04-08 op free(t->mime);
164 d8d170aa 2022-04-08 op free(t->ext);