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-rw-r--r--ui-clone.c104
1 files changed, 104 insertions, 0 deletions
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1/* ui-clone.c: functions for http cloning, based on
2 * git's http-backend.c by Shawn O. Pearce
3 *
4 * Copyright (C) 2008 Lars Hjemli
5 *
6 * Licensed under GNU General Public License v2
7 * (see COPYING for full license text)
8 */
9
10#include "cgit.h"
11#include "html.h"
12#include "ui-shared.h"
13
14static int print_ref_info(const char *refname, const unsigned char *sha1,
15 int flags, void *cb_data)
16{
17 struct object *obj;
18
19 if (!(obj = parse_object(sha1)))
20 return 0;
21
22 if (!strcmp(refname, "HEAD") || !prefixcmp(refname, "refs/heads/"))
23 htmlf("%s\t%s\n", sha1_to_hex(sha1), refname);
24 else if (!prefixcmp(refname, "refs/tags") && obj->type == OBJ_TAG) {
25 if (!(obj = deref_tag(obj, refname, 0)))
26 return 0;
27 htmlf("%s\t%s\n", sha1_to_hex(sha1), refname);
28 htmlf("%s\t%s^{}\n", sha1_to_hex(obj->sha1), refname);
29 }
30 return 0;
31}
32
33static void print_pack_info(struct cgit_context *ctx)
34{
35 struct packed_git *pack;
36 int ofs;
37
38 ctx->page.mimetype = "text/plain";
39 ctx->page.filename = "objects/info/packs";
40 cgit_print_http_headers(ctx);
41 ofs = strlen(ctx->repo->path) + strlen("/objects/pack/");
42 prepare_packed_git();
43 for (pack = packed_git; pack; pack = pack->next)
44 if (pack->pack_local)
45 htmlf("P %s\n", pack->pack_name + ofs);
46}
47
48static void send_file(struct cgit_context *ctx, char *path)
49{
50 struct stat st;
51 int err;
52
53 if (stat(path, &st)) {
54 switch (errno) {
55 case ENOENT:
56 err = 404;
57 break;
58 case EACCES:
59 err = 403;
60 break;
61 default:
62 err = 400;
63 }
64 html_status(err, 0);
65 return;
66 }
67 ctx->page.mimetype = "application/octet-stream";
68 ctx->page.filename = path;
69 if (prefixcmp(ctx->repo->path, path))
70 ctx->page.filename += strlen(ctx->repo->path) + 1;
71 cgit_print_http_headers(ctx);
72 html_include(path);
73}
74
75void cgit_clone_info(struct cgit_context *ctx)
76{
77 if (!ctx->qry.path || strcmp(ctx->qry.path, "refs"))
78 return;
79
80 ctx->page.mimetype = "text/plain";
81 ctx->page.filename = "info/refs";
82 cgit_print_http_headers(ctx);
83 for_each_ref(print_ref_info, ctx);
84}
85
86void cgit_clone_objects(struct cgit_context *ctx)
87{
88 if (!ctx->qry.path) {
89 html_status(400, 0);
90 return;
91 }
92
93 if (!strcmp(ctx->qry.path, "info/packs")) {
94 print_pack_info(ctx);
95 return;
96 }
97
98 send_file(ctx, git_path("objects/%s", ctx->qry.path));
99}
100
101void cgit_clone_head(struct cgit_context *ctx)
102{
103 send_file(ctx, git_path("%s", "HEAD"));
104}