aboutsummaryrefslogtreecommitdiffstats
path: root/Zotlabs/Module/Import.php
blob: cd99fb3c000209a8b772423081419624720bf247 (plain) (blame)
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
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
<?php

namespace Zotlabs\Module;

require_once('include/zot.php');
require_once('include/channel.php');
require_once('include/import.php');
require_once('include/perm_upgrade.php');
require_once('library/urlify/URLify.php');

use Zotlabs\Lib\Libzot;


/**
 * @brief Module for channel import.
 *
 * Import a channel, either by direct file upload or via
 * connection to another server.
 */
class Import extends \Zotlabs\Web\Controller {

	/**
	 * @brief Import channel into account.
	 *
	 * @param int $account_id
	 */
	function import_account($account_id) {

		if(! $account_id){
			logger('No account ID supplied');
			return;
		}

		$max_friends    = account_service_class_fetch($account_id,'total_channels');
		$max_feeds      = account_service_class_fetch($account_id,'total_feeds');
		$data           = null;
		$seize          = ((x($_REQUEST,'make_primary')) ? intval($_REQUEST['make_primary']) : 0);
		$import_posts   = ((x($_REQUEST,'import_posts')) ? intval($_REQUEST['import_posts']) : 0);
		$moving         = intval($_REQUEST['moving']);
		$src            = $_FILES['filename']['tmp_name'];
		$filename       = basename($_FILES['filename']['name']);
		$filesize       = intval($_FILES['filename']['size']);
		$filetype       = $_FILES['filename']['type'];
		$newname        = trim(strtolower($_REQUEST['newname']));

		// import channel from file
		if($src) {

			// This is OS specific and could also fail if your tmpdir isn't very
			// large mostly used for Diaspora which exports gzipped files.

			if(strpos($filename,'.gz')){
				@rename($src,$src . '.gz');
				@system('gunzip ' . escapeshellarg($src . '.gz'));
			}

			if($filesize) {
				$data = @file_get_contents($src);
			}
			unlink($src);
		}

		// import channel from another server
		if(! $src) {
			$old_address = ((x($_REQUEST,'old_address')) ? $_REQUEST['old_address'] : '');
			if(! $old_address) {
				logger('Nothing to import.');
				notice( t('Nothing to import.') . EOL);
				return;
			} else if(strpos($old_address, '@')) {
				// if you copy the identity address from your profile page, make it work for convenience - WARNING: this is a utf-8 variant and NOT an ASCII ampersand. Please do not edit.
				$old_address = str_replace('@', '@', $old_address);
			}

			$email    = ((x($_REQUEST,'email'))    ? $_REQUEST['email']    : '');
			$password = ((x($_REQUEST,'password')) ? $_REQUEST['password'] : '');

			$channelname = substr($old_address,0,strpos($old_address,'@'));
			$servername  = substr($old_address,strpos($old_address,'@')+1);

			$api_path = probe_api_path($servername);
			if(! $api_path) {
				notice( t('Unable to download data from old server') . EOL);
				return;
			}

			$api_path .= 'channel/export/basic?f=&channel=' . $channelname;
			if($import_posts)
				$api_path .= '&posts=1';

			$binary = false;
			$redirects = 0;
			$opts = array('http_auth' => $email . ':' . $password);
			$ret = z_fetch_url($api_path, $binary, $redirects, $opts);
			if($ret['success']) {
				$data = $ret['body'];
			}
			else {
				notice( t('Unable to download data from old server') . EOL);
				return;
			}
		}

		if(! $data) {
			logger('Empty import file.');
			notice( t('Imported file is empty.') . EOL);
			return;
		}

		$data = json_decode($data,true);

		//logger('import: data: ' . print_r($data,true));
		//print_r($data);

		if(! array_key_exists('compatibility',$data)) {
			call_hooks('import_foreign_channel_data',$data);
			if($data['handled'])
				return;
		}

// This is only an info message but it is alarming to folks who then report failure with this as the cause, when in fact we ignore this completely.
//		if(array_key_exists('compatibility',$data) && array_key_exists('database',$data['compatibility'])) {
//			$v1 = substr($data['compatibility']['database'],-4);
//			$v2 = substr(DB_UPDATE_VERSION,-4);
//			if($v2 > $v1) {
//				$t = sprintf( t('Warning: Database versions differ by %1$d updates.'), $v2 - $v1 );
//				notice($t);
//			}
//
//		}


		// prevent incompatible osada or zap data from horking your database

		if(array_path_exists('compatibility/codebase',$data)) {
			notice('Data export format is not compatible with this software');
			return;
		}

		if(version_compare($data['compatibility']['version'], '4.7.3', '<=')) {
			// zot6 transition: cloning is not compatible with older versions
			notice('Data export format is not compatible with this software (not a zot6 channel)');
			return;
		}

		if($moving)
			$seize = 1;

		// import channel

		$relocate = ((array_key_exists('relocate',$data)) ? $data['relocate'] : null);

		if(array_key_exists('channel',$data)) {

			$max_identities = account_service_class_fetch($account_id,'total_identities');

			if($max_identities !== false) {
				$r = q("select channel_id from channel where channel_account_id = %d",
					intval($account_id)
				);
				if($r && count($r) > $max_identities) {
					notice( sprintf( t('Your service plan only allows %d channels.'), $max_identities) . EOL);
					return;
				}
			}

            if($newname) {
	            $x = false;

    	        if(get_config('system','unicode_usernames')) {
        	        $x = punify(mb_strtolower($newname));
            	}

	            if((! $x) || strlen($x) > 64) {
    	            $x = strtolower(\URLify::transliterate($newname));
				}
				$newname = $x;
			}

			$channel = import_channel($data['channel'], $account_id, $seize, $newname);
		}
		else {
			$moving  = false;
			$channel = \App::get_channel();
		}

		if(! $channel) {
			logger('Channel not found. ', print_r($channel,true));
			notice( t('No channel. Import failed.') . EOL);
			return;
		}

		if(is_array($data['config'])) {
			import_config($channel,$data['config']);
		}

		logger('import step 2');

		if(array_key_exists('channel',$data)) {
			if($data['photo']) {
				require_once('include/photo/photo_driver.php');
				import_channel_photo(base64url_decode($data['photo']['data']),$data['photo']['type'],$account_id,$channel['channel_id']);
			}

			if(is_array($data['profile']))
				import_profiles($channel,$data['profile']);
		}

		logger('import step 3');

		if(is_array($data['hubloc'])) {
			import_hublocs($channel,$data['hubloc'],$seize,$moving);
		}

		logger('import step 4');

		// create new hubloc for the new channel at this site

		if(array_key_exists('channel',$data)) {
			if($channel['channel_portable_id']) {
				$r = hubloc_store_lowlevel(
					[
						'hubloc_guid'     => $channel['channel_guid'],
						'hubloc_guid_sig' => $channel['channel_guid_sig'],
						'hubloc_hash'     => $channel['channel_portable_id'],
						'hubloc_addr'     => channel_reddress($channel),
						'hubloc_network'  => 'zot',
						'hubloc_primary'  => (($seize) ? 1 : 0),
						'hubloc_url'      => z_root(),
						'hubloc_url_sig'  => base64url_encode(rsa_sign(z_root(),$channel['channel_prvkey'])),
						'hubloc_host'     => \App::get_hostname(),
						'hubloc_callback' => z_root() . '/post',
						'hubloc_sitekey'  => get_config('system','pubkey'),
						'hubloc_updated'  => datetime_convert(),
						'hubloc_id_url'   => channel_url($channel)
					]
				);

				// reset the original primary hubloc if it is being seized
				if($seize) {
					$r = q("update hubloc set hubloc_primary = 0 where hubloc_primary = 1 and hubloc_hash = '%s' and hubloc_url != '%s' ",
						dbesc($channel['channel_portable_id']),
						dbesc(z_root())
					);
				}
			}

			// create a new zot6 hubloc if we have got a channel_portable_id

			$r = hubloc_store_lowlevel(
				[
					'hubloc_guid'     => $channel['channel_guid'],
					'hubloc_guid_sig' => $channel['channel_guid_sig'],
					'hubloc_hash'     => $channel['channel_hash'],
					'hubloc_addr'     => channel_reddress($channel),
					'hubloc_network'  => 'zot6',
					'hubloc_primary'  => (($seize) ? 1 : 0),
					'hubloc_url'      => z_root(),
					'hubloc_url_sig'  => 'sha256.' . base64url_encode(rsa_sign(z_root(),$channel['channel_prvkey'])),
					'hubloc_host'     => \App::get_hostname(),
					'hubloc_callback' => z_root() . '/zot',
					'hubloc_sitekey'  => get_config('system','pubkey'),
					'hubloc_updated'  => datetime_convert(),
					'hubloc_id_url'   => channel_url($channel),
					'hubloc_site_id'  => Libzot::make_xchan_hash(z_root(),get_config('system','pubkey'))
				]
			);

			// reset the original primary hubloc if it is being seized
			if($seize) {
				$r = q("update hubloc set hubloc_primary = 0 where hubloc_primary = 1 and hubloc_hash = '%s' and hubloc_url != '%s' ",
					dbesc($channel['channel_hash']),
					dbesc(z_root())
				);
			}

		}

		logger('import step 5');


		// import xchans and contact photos

		if(array_key_exists('channel',$data) && $seize) {

			// replace any existing xchan we may have on this site if we're seizing control

			$r = q("delete from xchan where ( xchan_hash = '%s' or xchan_hash = '%s' ) ",
				dbesc($channel['channel_hash']),
				dbesc($channel['channel_portable_id'])
			);

			if($channel['channel_portable_id']) {
				$r = xchan_store_lowlevel(
					[
						'xchan_hash'           => $channel['channel_portable_id'],
						'xchan_guid'           => $channel['channel_guid'],
						'xchan_guid_sig'       => $channel['channel_guid_sig'],
						'xchan_pubkey'         => $channel['channel_pubkey'],
						'xchan_photo_l'        => z_root() . "/photo/profile/l/" . $channel['channel_id'],
						'xchan_photo_m'        => z_root() . "/photo/profile/m/" . $channel['channel_id'],
						'xchan_photo_s'        => z_root() . "/photo/profile/s/" . $channel['channel_id'],
						'xchan_addr'           => channel_reddress($channel),
						'xchan_url'            => z_root() . '/channel/' . $channel['channel_address'],
						'xchan_connurl'        => z_root() . '/poco/' . $channel['channel_address'],
						'xchan_follow'         => z_root() . '/follow?f=&url=%s',
						'xchan_name'           => $channel['channel_name'],
						'xchan_network'        => 'zot',
						'xchan_photo_date'     => datetime_convert(),
						'xchan_name_date'      => datetime_convert()
					]
				);
			}

			$r = xchan_store_lowlevel(
				[
					'xchan_hash'           => $channel['channel_hash'],
					'xchan_guid'           => $channel['channel_guid'],
					'xchan_guid_sig'       => $channel['channel_guid_sig'],
					'xchan_pubkey'         => $channel['channel_pubkey'],
					'xchan_photo_l'        => z_root() . "/photo/profile/l/" . $channel['channel_id'],
					'xchan_photo_m'        => z_root() . "/photo/profile/m/" . $channel['channel_id'],
					'xchan_photo_s'        => z_root() . "/photo/profile/s/" . $channel['channel_id'],
					'xchan_addr'           => channel_reddress($channel),
					'xchan_url'            => z_root() . '/channel/' . $channel['channel_address'],
					'xchan_connurl'        => z_root() . '/poco/' . $channel['channel_address'],
					'xchan_follow'         => z_root() . '/follow?f=&url=%s',
					'xchan_name'           => $channel['channel_name'],
					'xchan_network'        => 'zot6',
					'xchan_photo_date'     => datetime_convert(),
					'xchan_name_date'      => datetime_convert()
				]
			);

		}

		logger('import step 6');

		// import xchans
		$xchans = $data['xchan'];
		if($xchans) {
			foreach($xchans as $xchan) {

				if($xchan['xchan_network'] === 'zot') {
					$hash = make_xchan_hash($xchan['xchan_guid'],$xchan['xchan_guid_sig']);
					if($hash !== $xchan['xchan_hash']) {
						logger('forged xchan: ' . print_r($xchan,true));
						continue;
					}
				}

				if($xchan['xchan_network'] === 'zot6') {
					$zhash = Libzot::make_xchan_hash($xchan['xchan_guid'],$xchan['xchan_pubkey']);
					if($zhash !== $xchan['xchan_hash']) {
						logger('forged xchan: ' . print_r($xchan,true));
						continue;
					}
				}

				if(! array_key_exists('xchan_hidden',$xchan)) {
					$xchan['xchan_hidden']       = (($xchan['xchan_flags'] & 0x0001) ? 1 : 0);
					$xchan['xchan_orphan']       = (($xchan['xchan_flags'] & 0x0002) ? 1 : 0);
					$xchan['xchan_censored']     = (($xchan['xchan_flags'] & 0x0004) ? 1 : 0);
					$xchan['xchan_selfcensored'] = (($xchan['xchan_flags'] & 0x0008) ? 1 : 0);
					$xchan['xchan_system']       = (($xchan['xchan_flags'] & 0x0010) ? 1 : 0);
					$xchan['xchan_pubforum']     = (($xchan['xchan_flags'] & 0x0020) ? 1 : 0);
					$xchan['xchan_deleted']      = (($xchan['xchan_flags'] & 0x1000) ? 1 : 0);
				}

				$r = q("select xchan_hash from xchan where xchan_hash = '%s' limit 1",
					dbesc($xchan['xchan_hash'])
				);
				if($r)
					continue;

				create_table_from_array('xchan',$xchan);

				require_once('include/photo/photo_driver.php');

				if($xchan['xchan_hash'] === $channel['channel_hash']) {
					$r = q("update xchan set xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s' where xchan_hash = '%s'",
						dbesc(z_root() . '/photo/profile/l/' . $channel['channel_id']),
						dbesc(z_root() . '/photo/profile/m/' . $channel['channel_id']),
						dbesc(z_root() . '/photo/profile/s/' . $channel['channel_id']),
						dbesc($xchan['xchan_hash'])
					);
				}
				else {
					$photos = import_xchan_photo($xchan['xchan_photo_l'],$xchan['xchan_hash']);
					if($photos[4])
						$photodate = NULL_DATE;
					else
						$photodate = $xchan['xchan_photo_date'];

					$r = q("update xchan set xchan_photo_l = '%s', xchan_photo_m = '%s', xchan_photo_s = '%s', xchan_photo_mimetype = '%s', xchan_photo_date = '%s' where xchan_hash = '%s'",
						dbesc($photos[0]),
						dbesc($photos[1]),
						dbesc($photos[2]),
						dbesc($photos[3]),
						dbesc($photodate),
						dbesc($xchan['xchan_hash'])
					);
				}
			}

			logger('import step 7');
		}

		$friends = 0;
		$feeds = 0;

		// import contacts
		$abooks = $data['abook'];
		if($abooks) {
			foreach($abooks as $abook) {

				$abook_copy = $abook;

				$abconfig = null;
				if(array_key_exists('abconfig',$abook) && is_array($abook['abconfig']) && count($abook['abconfig']))
					$abconfig = $abook['abconfig'];

				unset($abook['abook_id']);
				unset($abook['abook_rating']);
				unset($abook['abook_rating_text']);
				unset($abook['abconfig']);
				unset($abook['abook_their_perms']);
				unset($abook['abook_my_perms']);
				unset($abook['abook_not_here']);

				$abook['abook_account'] = $account_id;
				$abook['abook_channel'] = $channel['channel_id'];
				if(! array_key_exists('abook_blocked',$abook)) {
					$abook['abook_blocked']     = (($abook['abook_flags'] & 0x0001 ) ? 1 : 0);
					$abook['abook_ignored']     = (($abook['abook_flags'] & 0x0002 ) ? 1 : 0);
					$abook['abook_hidden']      = (($abook['abook_flags'] & 0x0004 ) ? 1 : 0);
					$abook['abook_archived']    = (($abook['abook_flags'] & 0x0008 ) ? 1 : 0);
					$abook['abook_pending']     = (($abook['abook_flags'] & 0x0010 ) ? 1 : 0);
					$abook['abook_unconnected'] = (($abook['abook_flags'] & 0x0020 ) ? 1 : 0);
					$abook['abook_self']        = (($abook['abook_flags'] & 0x0080 ) ? 1 : 0);
					$abook['abook_feed']        = (($abook['abook_flags'] & 0x0100 ) ? 1 : 0);
				}

				if(array_key_exists('abook_instance',$abook) && $abook['abook_instance'] && strpos($abook['abook_instance'],z_root()) === false) {
					$abook['abook_not_here'] = 1;
				}

				if($abook['abook_self']) {
					$role = get_pconfig($channel['channel_id'],'system','permissions_role');
					if(($role === 'forum') || ($abook['abook_my_perms'] & PERMS_W_TAGWALL)) {
						q("update xchan set xchan_pubforum = 1 where xchan_hash = '%s' ",
							dbesc($abook['abook_xchan'])
						);
					}
				}
				else {
					if($max_friends !== false && $friends > $max_friends)
						continue;
					if($max_feeds !== false && intval($abook['abook_feed']) && ($feeds > $max_feeds))
						continue;
				}

				$r = q("select abook_id from abook where abook_xchan = '%s' and abook_channel = %d limit 1",
					dbesc($abook['abook_xchan']),
					intval($channel['channel_id'])
				);
				if($r) {
					foreach($abook as $k => $v) {
						$r = q("UPDATE abook SET " . TQUOT . "%s" . TQUOT . " = '%s' WHERE abook_xchan = '%s' AND abook_channel = %d",
							dbesc($k),
							dbesc($v),
							dbesc($abook['abook_xchan']),
							intval($channel['channel_id'])
						);
					}
				}
				else {
					abook_store_lowlevel($abook);

					$friends ++;
					if(intval($abook['abook_feed']))
						$feeds ++;
				}

				translate_abook_perms_inbound($channel,$abook_copy);

				if($abconfig) {
					/// @FIXME does not handle sync of del_abconfig
					foreach($abconfig as $abc) {
						set_abconfig($channel['channel_id'],$abc['xchan'],$abc['cat'],$abc['k'],$abc['v']);
					}
				}
			}

			logger('import step 8');
		}

		// import groups
		$groups = $data['group'];
		if($groups) {
			$saved = array();
			foreach($groups as $group) {
				$saved[$group['hash']] = array('old' => $group['id']);
				if(array_key_exists('name', $group)) {
					$group['gname'] = $group['name'];
					unset($group['name']);
				}
				unset($group['id']);
				$group['uid'] = $channel['channel_id'];

				create_table_from_array('pgrp', $group);
			}
			$r = q("select * from pgrp where uid = %d",
				intval($channel['channel_id'])
			);
			if($r) {
				foreach($r as $rr) {
					$saved[$rr['hash']]['new'] = $rr['id'];
				}
			}
		}

		// import group members
		$group_members = $data['group_member'];
		if($group_members) {
			foreach($group_members as $group_member) {
				unset($group_member['id']);
				$group_member['uid'] = $channel['channel_id'];
				foreach($saved as $x) {
					if($x['old'] == $group_member['gid'])
						$group_member['gid'] = $x['new'];
				}
				create_table_from_array('pgrp_member', $group_member);
			}
		}

		logger('import step 9');

		if(is_array($data['obj']))
			import_objs($channel,$data['obj']);

		if(is_array($data['likes']))
			import_likes($channel,$data['likes']);

		if(is_array($data['app']))
			import_apps($channel,$data['app']);

		if(is_array($data['sysapp']))
			import_sysapps($channel,$data['sysapp']);

		if(is_array($data['chatroom']))
			import_chatrooms($channel,$data['chatroom']);

		if(is_array($data['conv']))
			import_conv($channel,$data['conv']);

		if(is_array($data['mail']))
			import_mail($channel,$data['mail']);

		if(is_array($data['event']))
			import_events($channel,$data['event']);

		if(is_array($data['event_item']))
			import_items($channel,$data['event_item'],false,$relocate);

		if(is_array($data['menu']))
			import_menus($channel,$data['menu']);

		if(is_array($data['wiki']))
			import_items($channel,$data['wiki'],false,$relocate);

		if(is_array($data['webpages']))
			import_items($channel,$data['webpages'],false,$relocate);

		$addon = array('channel' => $channel,'data' => $data);
		call_hooks('import_channel',$addon);

		$saved_notification_flags = notifications_off($channel['channel_id']);

		if($import_posts && array_key_exists('item',$data) && $data['item'])
			import_items($channel,$data['item'],false,$relocate);

		notifications_on($channel['channel_id'],$saved_notification_flags);

		if(array_key_exists('item_id',$data) && $data['item_id'])
			import_item_ids($channel,$data['item_id']);

		// send out refresh requests
		// notify old server that it may no longer be primary.

		\Zotlabs\Daemon\Master::Summon(array('Notifier','refresh_all',$channel['channel_id']));

		// This will indirectly perform a refresh_all *and* update the directory

		\Zotlabs\Daemon\Master::Summon(array('Directory', $channel['channel_id']));


		notice( t('Import completed.') . EOL);

		change_channel($channel['channel_id']);

		goaway(z_root() . '/network' );
	}

	/**
	 * @brief Handle POST action on channel import page.
	 */
	function post() {
		$account_id = get_account_id();
		if(! $account_id)
			return;

		check_form_security_token_redirectOnErr('/import', 'channel_import');

		$this->import_account($account_id);
	}

	/**
	 * @brief Generate channel import page.
	 *
	 * @return string with parsed HTML.
	 */
	function get() {

		if(! get_account_id()) {
			notice( t('You must be logged in to use this feature.') . EOL);
			return '';
		}

		$o = replace_macros(get_markup_template('channel_import.tpl'),array(
			'$title' => t('Import Channel'),
			'$desc' => t('Use this form to import an existing channel from a different server/hub. You may retrieve the channel identity from the old server/hub via the network or provide an export file.'),
			'$label_filename' => t('File to Upload'),
			'$choice' => t('Or provide the old server/hub details'),

			'$old_address' => [ 'old_address', t('Your old identity address (xyz@example.com)'), '', ''],
			'$email' => [ 'email', t('Your old login email address'), '', '' ],
			'$password' => [ 'password', t('Your old login password'), '', '' ],
			'$import_posts' => [ 'import_posts', t('Import a few months of posts if possible (limited by available memory'), false, '', [ t('No'), t('Yes') ]],

			'$common' => t('For either option, please choose whether to make this hub your new primary address, or whether your old location should continue this role. You will be able to post from either location, but only one can be marked as the primary location for files, photos, and media.'),

			'$make_primary' => [ 'make_primary', t('Make this hub my primary location'), false, '', [ t('No'), t('Yes') ] ],
			'$moving' => [ 'moving', t('Move this channel (disable all previous locations)'), false, '', [ t('No'), t('Yes') ] ],
			'$newname' => [ 'newname', t('Use this channel nickname instead of the one provided'), '', t('Leave blank to keep your existing channel nickname. You will be randomly assigned a similar nickname if either name is already allocated on this site.')],

			'$pleasewait' => t('This process may take several minutes to complete. Please submit the form only once and leave this page open until finished.'),

			'$form_security_token' => get_form_security_token('channel_import'),
			'$submit' => t('Submit')
		));

		return $o;
	}

}