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
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
#include "s3.h"
#include "output.h"
#include "main.h"
#include "notify.h"
#include "http.h"
#include "s3utils.h"
static void s3_setup(notif_req_t *req, output_t *o, metafile_t *mf, tag_t *tag) {
req->object_name = g_strdup_printf("%s.%s", o->file_name, o->file_format);
req->content = output_get_content(o);
}
static bool s3_perform(notif_req_t *req) {
const char *err = NULL;
CURLcode ret;
if (!req->content) {
ilog(LOG_ERR, "Content for S3 upload unavailable ('%s%s%s')", FMT_M(req->name));
return true; // no point in retrying
}
if (!req->content_sha256) {
// do this here, in a separate thread
req->content_sha256 = g_string_sized_new(SHA256_DIGEST_LENGTH * 2 + 1);
g_string_set_size(req->content_sha256, SHA256_DIGEST_LENGTH * 2);
sha256_digest_hex(req->content_sha256->str,
req->content->s->str, req->content->s->len);
}
ilog(LOG_DEBUG, "Launching S3 upload for '%s%s%s' as '%s'", FMT_M(req->name),
req->object_name);
time_t now = time(NULL);
struct tm tm;
gmtime_r(&now, &tm);
g_autoptr(GString) auth = s3_make_auth(s3_host, s3_path, req->object_name,
s3_region, &tm, req->content_sha256->str,
s3_access_key, s3_secret_key);
if (!auth) {
ilog(LOG_ERR, "Failed to create S3 authentication string "
"for '%s%s%s'", FMT_M(req->name));
return false;
}
// build headers
struct curl_slist *headers = NULL;
// hard coded S3 header list, must match s3_make_auth()
http_add_header(&headers, "x-amz-content-sha256: %s", req->content_sha256->str);
http_add_header(&headers, "x-amz-date: %04d%02d%02dT%02d%02d%02dZ",
tm.tm_year + 1900,
tm.tm_mon + 1,
tm.tm_mday,
tm.tm_hour,
tm.tm_min,
tm.tm_sec);
http_add_header(&headers, "Authorization: %s", auth->str);
http_add_header(&headers, "Content-length: %zu", req->content->s->len);
http_add_header(&headers, "Content-type: application/data");
g_autoptr(char) uri = NULL;
if (s3_port)
uri = g_strdup_printf("https://%s:%d%s%s",
s3_host,
s3_port,
s3_path,
req->object_name);
else
uri = g_strdup_printf("https://%s%s%s",
s3_host,
s3_path,
req->object_name);
g_autoptr(GString) response = g_string_new("");
g_autoptr(CURL) c = http_create_req(uri,
http_download_write,
response,
http_upload_read,
&(http_upload) {.s = STR_GS(req->content->s) },
headers, !s3_nverify, &ret, &err);
if (!c)
goto fail;
// PUT
err = "setting CURLOPT_UPLOAD";
if ((ret = curl_easy_setopt(c, CURLOPT_UPLOAD, 1L)) != CURLE_OK)
goto fail;
err = "setting CURLOPT_INFILESIZE_LARGE";
if ((ret = curl_easy_setopt(c, CURLOPT_INFILESIZE_LARGE,
(curl_off_t) req->content->s->len)) != CURLE_OK)
goto fail;
err = "performing request";
if ((ret = curl_easy_perform(c)) != CURLE_OK)
goto fail;
long code;
err = "getting CURLINFO_RESPONSE_CODE";
if ((ret = curl_easy_getinfo(c, CURLINFO_RESPONSE_CODE, &code)) != CURLE_OK)
goto fail;
err = "checking response code (not 2xx)";
if (code < 200 || code >= 300) {
ilog(LOG_ERR, "S3 upload returned code %ld, with body: '%s%.*s%s'",
code, FMT_M((int) response->len, response->str));
goto fail;
}
ilog(LOG_DEBUG, "S3 upload for '%s%s%s' successful", FMT_M(req->name));
curl_slist_free_all(headers);
return true;
fail:
ilog(LOG_ERR, "Failed to perform S3 upload for '%s%s%s': "
"Error while %s: %s",
FMT_M(req->name),
err, curl_easy_strerror(ret));
curl_slist_free_all(headers);
return false;
}
static void s3_failed(notif_req_t *req) {
if (req->content)
output_content_failure(req->content);
}
static void s3_cleanup(notif_req_t *req) {
obj_release(req->content);
if (req->content_sha256)
g_string_free(req->content_sha256, TRUE);
g_free(req->object_name);
}
static const notif_action_t action = {
.name = "S3",
.setup = s3_setup,
.perform = s3_perform,
.failed = s3_failed,
.cleanup = s3_cleanup,
};
void s3_store(output_t *o, metafile_t *mf) {
if ((output_storage & OUTPUT_STORAGE_S3))
notify_push_setup(&action, o, mf, NULL);
}
|
