1/* ui-plain.c: functions for output of plain blobs by path
 2 *
 3 * Copyright (C) 2008 Lars Hjemli
 4 *
 5 * Licensed under GNU General Public License v2
 6 *   (see COPYING for full license text)
 7 */
 8
 9#include "cgit.h"
10#include "html.h"
11#include "ui-shared.h"
12
13char *curr_rev;
14char *match_path;
15int match;
16
17static void print_object(const unsigned char *sha1, const char *path)
18{
19	enum object_type type;
20	char *buf;
21	unsigned long size;
22
23	type = sha1_object_info(sha1, &size);
24	if (type == OBJ_BAD) {
25		html_status(404, "Not found", 0);
26		return;
27	}
28
29	buf = read_sha1_file(sha1, &type, &size);
30	if (!buf) {
31		html_status(404, "Not found", 0);
32		return;
33	}
34	if (buffer_is_binary(buf, size))
35		ctx.page.mimetype = "application/octet-stream";
36	else
37		ctx.page.mimetype = "text/plain";
38	ctx.page.filename = fmt("%s", path);
39	ctx.page.size = size;
40	cgit_print_http_headers(&ctx);
41	html_raw(buf, size);
42	match = 1;
43}
44
45static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
46		     const char *pathname, unsigned mode, int stage,
47		     void *cbdata)
48{
49	if (S_ISDIR(mode))
50		return READ_TREE_RECURSIVE;
51
52	if (S_ISREG(mode))
53		print_object(sha1, pathname);
54
55	return 0;
56}
57
58void cgit_print_plain(struct cgit_context *ctx)
59{
60	const char *rev = ctx->qry.sha1;
61	unsigned char sha1[20];
62	struct commit *commit;
63	const char *paths[] = {ctx->qry.path, NULL};
64
65	if (!rev)
66		rev = ctx->qry.head;
67
68	curr_rev = xstrdup(rev);
69	if (get_sha1(rev, sha1)) {
70		html_status(404, "Not found", 0);
71		return;
72	}
73	commit = lookup_commit_reference(sha1);
74	if (!commit || parse_commit(commit)) {
75		html_status(404, "Not found", 0);
76		return;
77	}
78	match_path = ctx->qry.path;
79	read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
80	if (!match)
81		html_status(404, "Not found", 0);
82}