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) && !strncmp(base, match_path, baselen) &&
50	    !strcmp(pathname, match_path + baselen))
51		print_object(sha1, pathname);
52
53	return 0;
54}
55
56void cgit_print_plain(struct cgit_context *ctx)
57{
58	const char *rev = ctx->qry.sha1;
59	unsigned char sha1[20];
60	struct commit *commit;
61	const char *paths[] = {ctx->qry.path, NULL};
62
63	if (!rev)
64		rev = ctx->qry.head;
65
66	curr_rev = xstrdup(rev);
67	if (get_sha1(rev, sha1)) {
68		html_status(404, "Not found", 0);
69		return;
70	}
71	commit = lookup_commit_reference(sha1);
72	if (!commit || parse_commit(commit)) {
73		html_status(404, "Not found", 0);
74		return;
75	}
76	match_path = ctx->qry.path;
77	read_tree_recursive(commit->tree, NULL, 0, 0, paths, walk_tree, NULL);
78	if (!match)
79		html_status(404, "Not found", 0);
80}