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	ctx.page.mimetype = "text/plain";
35	ctx.page.filename = fmt("%s", path);
36	ctx.page.size = size;
37	cgit_print_http_headers(&ctx);
38	html_raw(buf, size);
39	match = 1;
40}
41
42static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
43		     const char *pathname, unsigned mode, int stage,
44		     void *cbdata)
45{
46	if (S_ISDIR(mode))
47		return READ_TREE_RECURSIVE;
48
49	if (S_ISREG(mode))
50		print_object(sha1, pathname);
51
52	return 0;
53}
54
55void cgit_print_plain(struct cgit_context *ctx)
56{
57	const char *rev = ctx->qry.sha1;
58	unsigned char sha1[20];
59	struct commit *commit;
60	const char *paths[] = {ctx->qry.path, NULL};
61
62	if (!rev)
63		rev = ctx->qry.head;
64
65	curr_rev = xstrdup(rev);
66	if (get_sha1(rev, sha1)) {
67		html_status(404, "Not found", 0);
68		return;
69	}
70	commit = lookup_commit_reference(sha1);
71	if (!commit || parse_commit(commit)) {
72		html_status(404, "Not found", 0);
73		return;
74	}
75	match_path = ctx->qry.path;
76	read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
77	if (!match)
78		html_status(404, "Not found", 0);
79}