1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
#include "log.h"
#include "arena.h"
#include "net.h"
#include "sha1.h"
#include "vector.h"
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <locale.h> /* for setlocale */
#include <jansson.h>
#include <libgen.h>
int main(void)
{
setlocale(LC_ALL, ""); /* TODO: make sure I don't regret this */
vl_log_setlevel(LOG_TRACE);
vl_arena *arena = vl_arena_new(8192);
vl_net_ensure_cached(arena, "https://piston-meta.mojang.com/mc/game/version_manifest_v2.json", "manifest.json");
vl_arena_reset(arena);
vl_net_ensure_cached(arena, "https://piston-meta.mojang.com/v1/products/java-runtime/2ec0cc96c44e5a76b9c8b7c39df7210883d12871/all.json", "runtime-manifest.json");
vl_arena_reset(arena);
json_error_t err;
json_t *manifest = json_load_file("manifest.json", 0, &err), *ver;
size_t idx;
if (!manifest) {
vl_error("bad: %s", err.text);
exit(EXIT_FAILURE);
}
json_t *versions = json_object_get(manifest, "versions");
json_array_foreach(versions, idx, ver) {
const char *verid;
const char *url;
const char *sha1_hex;
json_unpack(ver, "{s:s,s:s,s:s}", "id", &verid, "url", &url, "sha1", &sha1_hex);
if (!strcmp(verid, "1.8.9") && url) {
vl_sha1 hash;
vl_sha1_decode(hash, sha1_hex);
vl_net_ensure_verified(url, "1.8.9.json", VERIFY_SHA1, hash);
}
}
json_decref(manifest);
json_t *oneeightnine = json_load_file("1.8.9.json", 0, &err);
if (!oneeightnine) {
vl_error("bad ver: %s", err.text);
exit(EXIT_FAILURE);
}
json_t *libs = json_object_get(oneeightnine, "libraries"), *lib;
vl_vector *vec = vl_newvec(struct vl_download_job);
json_array_foreach(libs, idx, lib) {
const char *url;
const char *path;
json_int_t sz;
const char *sha1hex;
size_t sha1hexlen;
struct vl_download_job tjob;
if (json_unpack(lib, "{s:{s:{s:s,s:s,s:I,s:s%}}}", "downloads", "artifact", "url", &url, "path", &path, "size", &sz, "sha1", &sha1hex, &sha1hexlen) < 0) {
continue;
}
path = basename(vl_arena_strdup(arena, path));
tjob.url = url;
tjob.opath = path;
tjob.expect_len = (size_t)sz;
if (sha1hexlen != VL_SHA1_DIGEST_HEX_STRLEN || vl_sha1_decode(tjob.expect_hash, sha1hex) < 0) {
vl_error("bad expect hash %s", sha1hex);
continue;
}
tjob.verify_flags = VERIFY_SIZE | VERIFY_SHA1;
if (vl_net_verify(tjob.opath, VERIFY_SIZE | VERIFY_SHA1, tjob.expect_len, tjob.expect_hash) == NET_OK) {
vl_trace("fine %s", tjob.opath);
continue;
}
if (vl_vector_push(vec, &tjob) < 0) {
abort();
}
}
size_t njobs;
struct vl_download_job *jobs = vl_vector_values(vec, &njobs);
printf("%d\n", vl_net_download_all(jobs, njobs, 8));
for (size_t n = 0; n < njobs; ++n) {
printf("job %s status: %u\n", jobs[n].url, jobs[n].status);
}
json_decref(oneeightnine);
vl_vector_free(vec);
vl_arena_free(arena);
return 0;
}
|
