-
Notifications
You must be signed in to change notification settings - Fork 5
/
passim-cli.c
602 lines (544 loc) · 17.8 KB
/
passim-cli.c
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
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
/*
* Copyright 2023 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "config.h"
#include <glib/gi18n.h>
#include <libintl.h>
#include <libsoup/soup.h>
#include <locale.h>
#include <passim.h>
#include "passim-common.h"
typedef struct {
PassimClient *client;
gboolean next_reboot;
} PassimCli;
typedef gboolean (*PassimCliCmdFunc)(PassimCli *util, gchar **values, GError **error);
typedef struct {
gchar *name;
gchar *arguments;
gchar *description;
PassimCliCmdFunc callback;
} PassimCliCmd;
static void
passim_cli_cmd_free(PassimCliCmd *item)
{
g_free(item->name);
g_free(item->arguments);
g_free(item->description);
g_free(item);
}
static void
passim_cli_private_free(PassimCli *self)
{
if (self->client != NULL)
g_object_unref(self->client);
g_free(self);
}
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wunused-function"
G_DEFINE_AUTOPTR_CLEANUP_FUNC(PassimCli, passim_cli_private_free)
#pragma clang diagnostic pop
static GPtrArray *
passim_cli_cmd_array_new(void)
{
return g_ptr_array_new_with_free_func((GDestroyNotify)passim_cli_cmd_free);
}
static gint
passim_cli_cmd_sort_cb(PassimCliCmd **item1, PassimCliCmd **item2)
{
return g_strcmp0((*item1)->name, (*item2)->name);
}
static void
passim_cli_cmd_array_sort(GPtrArray *array)
{
g_ptr_array_sort(array, (GCompareFunc)passim_cli_cmd_sort_cb);
}
static void
passim_cli_cmd_array_add(GPtrArray *array,
const gchar *name,
const gchar *arguments,
const gchar *description,
PassimCliCmdFunc callback)
{
g_auto(GStrv) names = NULL;
g_return_if_fail(name != NULL);
g_return_if_fail(description != NULL);
g_return_if_fail(callback != NULL);
/* add each one */
names = g_strsplit(name, ",", -1);
for (guint i = 0; names[i] != NULL; i++) {
PassimCliCmd *item = g_new0(PassimCliCmd, 1);
item->name = g_strdup(names[i]);
if (i == 0) {
item->description = g_strdup(description);
} else {
item->description = g_strdup_printf("Alias to %s", names[0]);
}
item->arguments = g_strdup(arguments);
item->callback = callback;
g_ptr_array_add(array, item);
}
}
static gboolean
passim_cli_cmd_array_run(GPtrArray *array,
PassimCli *self,
const gchar *command,
gchar **values,
GError **error)
{
g_auto(GStrv) values_copy = g_new0(gchar *, g_strv_length(values) + 1);
/* clear out bash completion sentinel */
for (guint i = 0; values[i] != NULL; i++) {
if (g_strcmp0(values[i], "{") == 0)
break;
values_copy[i] = g_strdup(values[i]);
}
/* find command */
for (guint i = 0; i < array->len; i++) {
PassimCliCmd *item = g_ptr_array_index(array, i);
if (g_strcmp0(item->name, command) == 0)
return item->callback(self, values_copy, error);
}
/* not found */
g_set_error_literal(error, G_IO_ERROR, G_IO_ERROR_INVALID_ARGUMENT, "Command not found");
return FALSE;
}
static gchar *
passim_cli_cmd_array_to_string(GPtrArray *array)
{
gsize len;
const gsize max_len = 35;
GString *string;
/* print each command */
string = g_string_new("");
for (guint i = 0; i < array->len; i++) {
PassimCliCmd *item = g_ptr_array_index(array, i);
g_string_append(string, " ");
g_string_append(string, item->name);
len = strlen(item->name) + 2;
if (item->arguments != NULL) {
g_string_append(string, " ");
g_string_append(string, item->arguments);
len += strlen(item->arguments) + 1;
}
if (len < max_len) {
for (gsize j = len; j < max_len + 1; j++)
g_string_append_c(string, ' ');
g_string_append(string, item->description);
g_string_append_c(string, '\n');
} else {
g_string_append_c(string, '\n');
for (gsize j = 0; j < max_len + 1; j++)
g_string_append_c(string, ' ');
g_string_append(string, item->description);
g_string_append_c(string, '\n');
}
}
/* remove trailing newline */
if (string->len > 0)
g_string_set_size(string, string->len - 1);
return g_string_free(string, FALSE);
}
typedef struct {
const gchar *key;
gchar *value;
} PassimItemAttr;
static gchar *
passim_cli_item_flag_to_string(PassimItemFlags flags)
{
const gchar *strv[4] = {NULL};
guint i = 0;
if (flags & PASSIM_ITEM_FLAG_DISABLED) {
/* TRANSLATORS: the item is not enabled */
strv[i++] = _("Disabled");
}
if (flags & PASSIM_ITEM_FLAG_NEXT_REBOOT) {
/* TRANSLATORS: only begin sharing the item after the next restart */
strv[i++] = _("Next Reboot");
}
return g_strjoinv(", ", (gchar **)strv);
}
static GPtrArray *
passim_cli_item_to_attrs(PassimItem *item)
{
GPtrArray *array = g_ptr_array_new_with_free_func(g_free);
if (passim_item_get_basename(item) != NULL) {
PassimItemAttr *attr = g_new0(PassimItemAttr, 1);
/* TRANSLATORS: item file basename */
attr->key = _("Filename");
attr->value = g_strdup(passim_item_get_basename(item));
g_ptr_array_add(array, attr);
}
if (passim_item_get_flags(item) != PASSIM_ITEM_FLAG_NONE) {
PassimItemAttr *attr = g_new0(PassimItemAttr, 1);
/* TRANSLATORS: item flags */
attr->key = _("Flags");
attr->value = passim_cli_item_flag_to_string(passim_item_get_flags(item));
g_ptr_array_add(array, attr);
}
if (passim_item_get_cmdline(item) != NULL) {
PassimItemAttr *attr = g_new0(PassimItemAttr, 1);
/* TRANSLATORS: basename of the thing that published the item */
attr->key = _("Command Line");
attr->value = g_strdup(passim_item_get_cmdline(item));
g_ptr_array_add(array, attr);
}
if (passim_item_get_max_age(item) != G_MAXUINT32) {
PassimItemAttr *attr = g_new0(PassimItemAttr, 1);
/* TRANSLATORS: age of the published item */
attr->key = _("Age");
attr->value = g_strdup_printf("%u/%u",
passim_item_get_age(item),
passim_item_get_max_age(item));
g_ptr_array_add(array, attr);
}
if (passim_item_get_share_limit(item) != G_MAXUINT32) {
PassimItemAttr *attr = g_new0(PassimItemAttr, 1);
/* TRANSLATORS: number of times we can share the item */
attr->key = _("Share Limit");
attr->value = g_strdup_printf("%u/%u",
passim_item_get_share_count(item),
passim_item_get_share_limit(item));
g_ptr_array_add(array, attr);
}
if (passim_item_get_size(item) != 0) {
PassimItemAttr *attr = g_new0(PassimItemAttr, 1);
/* TRANSLATORS: size of the published item */
attr->key = _("Size");
attr->value = g_format_size(passim_item_get_size(item));
g_ptr_array_add(array, attr);
}
return array;
}
static gchar *
passim_cli_align_indent(const gchar *key, const gchar *value, guint indent)
{
GString *str = g_string_new(key);
g_string_append_c(str, ':');
for (guint i = str->len; i < indent - 1; i++)
g_string_append_c(str, ' ');
g_string_append_c(str, ' ');
g_string_append(str, value);
return g_string_free(str, FALSE);
}
#define PASSIM_CLI_VALIGN 20
static gboolean
passim_cli_status(PassimCli *self, gchar **values, GError **error)
{
PassimStatus status = passim_client_get_status(self->client);
const gchar *status_value;
gdouble download_saving = passim_client_get_download_saving(self->client);
gdouble carbon_saving = passim_client_get_carbon_saving(self->client);
g_autofree gchar *status_str = NULL;
g_autoptr(GPtrArray) items = NULL;
/* global status */
if (passim_client_get_name(self->client) != NULL) {
g_autofree gchar *name_str =
/* TRANSLATORS: the daemon autogenerated name, e.g. "Passim-ABCD" */
passim_cli_align_indent(_("Name"),
passim_client_get_name(self->client),
PASSIM_CLI_VALIGN);
g_print("%s\n", name_str);
}
if (status == PASSIM_STATUS_STARTING || status == PASSIM_STATUS_LOADING) {
/* TRANSLATORS: daemon is starting up */
status_value = _("Loading…");
} else if (status == PASSIM_STATUS_DISABLED_METERED) {
/* TRANSLATORS: daemon is scared to publish files */
status_value = _("Disabled (metered network)");
} else if (status == PASSIM_STATUS_RUNNING) {
/* TRANSLATORS: daemon is offering files like normal */
status_value = _("Running");
} else {
status_value = passim_status_to_string(status);
}
/* TRANSLATORS: what the daemon is doing right now, e.g. 'Running' */
status_str = passim_cli_align_indent(_("Status"), status_value, PASSIM_CLI_VALIGN);
g_print("%s\n", status_str);
/* this is important enough to show */
if (download_saving > 0) {
g_autofree gchar *download_value = g_format_size(download_saving);
g_autofree gchar *download_str =
/* TRANSLATORS: how many bytes we did not download from the internet */
passim_cli_align_indent(_("Network Saving"), download_value, PASSIM_CLI_VALIGN);
g_print("%s\n", download_str);
}
if (carbon_saving > 0.001) {
g_autofree gchar *carbon_value = g_strdup_printf("%.02lf kg CO₂e", carbon_saving);
g_autofree gchar *carbon_str =
/* TRANSLATORS: how much carbon we did not *burn* by using local data */
passim_cli_align_indent(_("Carbon Saving"), carbon_value, PASSIM_CLI_VALIGN);
g_print("%s\n", carbon_str);
}
/* show location of the web console */
if (passim_client_get_uri(self->client) != NULL) {
g_autofree gchar *uri_str =
/* TRANSLATORS: full https://whatever of the daemon */
passim_cli_align_indent(_("URI"),
passim_client_get_uri(self->client),
PASSIM_CLI_VALIGN);
g_print("%s\n", uri_str);
}
/* all items */
items = passim_client_get_items(self->client, error);
if (items == NULL)
return FALSE;
for (guint i = 0; i < items->len; i++) {
PassimItem *item = g_ptr_array_index(items, i);
g_autoptr(GPtrArray) attrs = passim_cli_item_to_attrs(item);
g_print("\n%s\n", passim_item_get_hash(item));
for (guint j = 0; j < attrs->len; j++) {
PassimItemAttr *attr = g_ptr_array_index(attrs, j);
g_autofree gchar *str =
passim_cli_align_indent(attr->key, attr->value, PASSIM_CLI_VALIGN - 2);
g_print("%s %s\n", j < attrs->len - 1 ? "├" : "└", str);
}
}
/* success */
return TRUE;
}
static gboolean
passim_cli_publish(PassimCli *self, gchar **values, GError **error)
{
g_autofree gchar *str = NULL;
g_autoptr(PassimItem) item = passim_item_new();
/* parse args */
if (g_strv_length(values) < 1) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
/* TRANSLATORS: user mistyped the command */
_("Invalid arguments"));
return FALSE;
}
if (!passim_item_load_filename(item, values[0], error))
return FALSE;
if (g_strv_length(values) > 1)
passim_item_set_max_age(item, g_ascii_strtoull(values[1], NULL, 10));
if (g_strv_length(values) > 2)
passim_item_set_share_count(item, g_ascii_strtoull(values[2], NULL, 10));
if (self->next_reboot)
passim_item_add_flag(item, PASSIM_ITEM_FLAG_NEXT_REBOOT);
if (!passim_client_publish(self->client, item, error))
return FALSE;
/* success */
str = passim_item_to_string(item);
/* TRANSLATORS: now sharing to the world */
g_print("%s: %s\n", _("Published"), str);
return TRUE;
}
static gboolean
passim_cli_unpublish(PassimCli *self, gchar **values, GError **error)
{
/* parse args */
if (g_strv_length(values) != 1) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
/* TRANSLATORS: user mistyped the command */
_("Invalid arguments"));
return FALSE;
}
if (!passim_client_unpublish(self->client, values[0], error))
return FALSE;
/* TRANSLATORS: no longer sharing with the world */
g_print("%s: %s\n", _("Unpublished"), values[0]);
return TRUE;
}
static gboolean
passim_cli_accept_certificate_cb(SoupMessage *self,
GTlsCertificate *tls_peer_certificate,
GTlsCertificateFlags tls_peer_errors,
gpointer user_data)
{
/* ignore self-signed certificate */
return TRUE;
}
static gboolean
passim_cli_download(PassimCli *self, gchar **values, GError **error)
{
GInetAddress *inet_addr;
GSocketAddress *socket_addr;
SoupMessageHeaders *response_headers;
SoupStatus status;
const gchar *content_type;
g_autofree gchar *checksum = NULL;
g_autofree gchar *inet_addrstr = NULL;
g_autofree gchar *remote_addr = NULL;
g_autofree gchar *size = NULL;
g_autofree gchar *uri = NULL;
g_autofree gchar *user_agent = NULL;
g_autoptr(GBytes) bytes = NULL;
g_autoptr(SoupMessage) msg = NULL;
g_autoptr(SoupSession) session = soup_session_new();
/* parse args */
if (g_strv_length(values) != 2) {
g_set_error_literal(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
/* TRANSLATORS: user mistyped the command */
_("Invalid arguments, expected BASENAME HASH"));
return FALSE;
}
/* download file */
user_agent = g_strdup_printf("%s/%s", PACKAGE_NAME, VERSION);
soup_session_set_user_agent(session, user_agent);
soup_session_set_timeout(session, 30);
uri = g_strdup_printf("%s%s?sha256=%s&localhost=false",
passim_client_get_uri(self->client),
values[0],
values[1]);
msg = soup_message_new(SOUP_METHOD_GET, uri);
g_signal_connect(msg,
"accept-certificate",
G_CALLBACK(passim_cli_accept_certificate_cb),
self);
bytes = soup_session_send_and_read(session, msg, NULL, error);
if (bytes == NULL)
return FALSE;
/* get the host that provided the transfer */
socket_addr = soup_message_get_remote_address(msg);
inet_addr = g_inet_socket_address_get_address(G_INET_SOCKET_ADDRESS(socket_addr));
inet_addrstr = g_inet_address_to_string(inet_addr);
remote_addr =
g_strdup_printf("%s:%u",
inet_addrstr,
g_inet_socket_address_get_port(G_INET_SOCKET_ADDRESS(socket_addr)));
/* verify error code */
status = soup_message_get_status(msg);
if (!SOUP_STATUS_IS_SUCCESSFUL(status)) {
if (g_utf8_validate((const gchar *)g_bytes_get_data(bytes, NULL),
g_bytes_get_size(bytes),
NULL)) {
g_debug("%s", (const gchar *)g_bytes_get_data(bytes, NULL));
}
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
/* TRANSLATORS: %1 is a filename, %2 is a internet address and %3 is
the untranslated error phrase */
_("Failed to download %s from %s: %s"),
values[0],
remote_addr,
soup_status_get_phrase(status));
return FALSE;
}
/* we HAVE to verify the checksum */
checksum = g_compute_checksum_for_bytes(G_CHECKSUM_SHA256, bytes);
if (g_strcmp0(checksum, values[1]) != 0) {
g_set_error(error,
G_IO_ERROR,
G_IO_ERROR_INVALID_ARGUMENT,
/* TRANSLATORS: %1 is a filename, %2 is a internet address */
_("Failed to download %s from %s as file checksum does not match"),
values[0],
remote_addr);
return FALSE;
}
/* save file */
if (!g_file_set_contents(values[0],
(const gchar *)g_bytes_get_data(bytes, NULL),
g_bytes_get_size(bytes),
error))
return FALSE;
/* success */
response_headers = soup_message_get_response_headers(msg);
content_type = soup_message_headers_get_content_type(response_headers, NULL);
size = g_format_size(g_bytes_get_size(bytes));
/* TRANSLATORS: %1 is a filename, %2 is size (e.g. '1.3 MB') and %3 is a type, (e.g.
* 'application/zstd') */
g_print(_("Saved %s (%s of %s)"), values[0], size, content_type);
g_print("\n");
return TRUE;
}
int
main(int argc, char *argv[])
{
gboolean version = FALSE;
g_autofree gchar *cmd_descriptions = NULL;
g_autoptr(PassimCli) self = g_new0(PassimCli, 1);
g_autoptr(GError) error = NULL;
g_autoptr(GOptionContext) context = g_option_context_new(NULL);
g_autoptr(GPtrArray) cmd_array = passim_cli_cmd_array_new();
const GOptionEntry options[] = {
/* TRANSLATORS: --version */
{"version", '\0', 0, G_OPTION_ARG_NONE, &version, N_("Show project version"), NULL},
/* TRANSLATORS: only begin sharing the item after the next restart */
{"next-reboot",
'\0',
0,
G_OPTION_ARG_NONE,
&self->next_reboot,
N_("Next reboot"),
NULL},
{NULL},
};
setlocale(LC_ALL, "");
bindtextdomain(GETTEXT_PACKAGE, PACKAGE_LOCALEDIR);
bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
textdomain(GETTEXT_PACKAGE);
passim_cli_cmd_array_add(cmd_array,
"status,dump",
NULL,
/* TRANSLATORS: CLI action description */
_("Show daemon status"),
passim_cli_status);
passim_cli_cmd_array_add(cmd_array,
"publish",
/* TRANSLATORS: CLI option example */
_("FILENAME [MAX-AGE] [MAX-SHARE]"),
/* TRANSLATORS: CLI action description */
_("Publish an additional file"),
passim_cli_publish);
passim_cli_cmd_array_add(cmd_array,
"unpublish",
/* TRANSLATORS: CLI option example */
_("HASH"),
/* TRANSLATORS: CLI action description */
_("Unpublish an existing file"),
passim_cli_unpublish);
passim_cli_cmd_array_add(cmd_array,
"download",
/* TRANSLATORS: CLI option example */
_("BASENAME HASH"),
/* TRANSLATORS: CLI action description */
_("Download a file from a remote machine"),
passim_cli_download);
passim_cli_cmd_array_sort(cmd_array);
cmd_descriptions = passim_cli_cmd_array_to_string(cmd_array);
g_option_context_set_summary(context, cmd_descriptions);
/* TRANSLATORS: CLI tool description */
g_option_context_set_description(context, _("Interact with the local passimd process."));
/* TRANSLATORS: CLI tool name */
g_set_application_name(_("Passim CLI"));
g_option_context_add_main_entries(context, options, NULL);
if (!g_option_context_parse(context, &argc, &argv, &error)) {
/* TRANSLATORS: we don't know what to do */
g_printerr("%s: %s", _("Failed to parse arguments"), error->message);
return EXIT_FAILURE;
}
/* connect to daemon */
self->client = passim_client_new();
if (!passim_client_load(self->client, &error)) {
/* TRANSLATORS: daemon failed to start */
g_printerr("%s: %s", _("Failed to connect to daemon"), error->message);
return EXIT_FAILURE;
}
/* just show versions and exit */
if (version) {
/* TRANSLATORS: CLI tool */
g_print("%s: %s\n", _("client version"), VERSION);
/* TRANSLATORS: server */
g_print("%s: %s\n", _("daemon version"), passim_client_get_version(self->client));
return EXIT_SUCCESS;
}
/* run command */
if (!passim_cli_cmd_array_run(cmd_array, self, argv[1], (gchar **)&argv[2], &error)) {
g_dbus_error_strip_remote_error(error);
g_printerr("%s\n", error->message);
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}