aboutsummaryrefslogblamecommitdiffstats
path: root/mod/import.php
blob: 0bbd38ffe35d9566105967eaac8610f77f035c38 (plain) (tree)
1
2
3
4
5
6
7
8
9
10




                                                        
                                    
                                
                                     

                                   
 
                                           
 

                                                                 
                       
         












                                                                                                                  
         
 
 

                                                                                            
                                                                                                



                                                          

                                                                                                          

                                                                         
 
                  








                                                                                          


                                                         
                             

         







                                                                                              






                                                                                     
                                                                                       

                                                










                                                                                                            
 
         
 



                                                            

         
                                        
 
                                                       
                       
 

                                                                                 




                                                                   


                       


                                                                                                            


                                                                                                            
                 
                                                                          
                                                                                        



                                                                                                        
         
 
                         
 
                                               
 
                                    
                                                                                         
 

                      
                                                                                                                     
                                                    
                                                               
                          

                                                 
                 
                                




                                                                                          
 







                                                                                  
 



                                                                
                 
 
                                        
                                             
                                                                      
         
 
 
                            
 

                                                                       
                                                                                                                                                 
                 
 

                                                                   
 
                                        
                                             
                                                                      

         
 
                            
 

                                                                        
 
                 
                                        
                                             
                                                                      







                                                                                                                                     

                                                            
                                                        
                                                                                             
                                     





                                                                                               
                  








                                                                                                                                              
                                        
                                             
                                                                      
         
 
 






                                                                                                       
 

                                                                           
                          
 


















                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
                                        
                                             
                                                                      






                                                    






                                                                                                         
















                                                                                                                  
                




                                                                                

        
                                                                               
                                                                                                           













                                                                                                                                                                               
                        
                         
                 
                                        
                                             
                                                                      

         

 
                                                                                   
 







                                                    
 
                                                          

                                                                   
                                                                      









                                                                                                                  
                                 
 







                                                                                                                 





                                                                                                                         






                                                                                
 



                                                                
                 
                                        
                                             
                                                                      
         
 
 
 













                                                                                      
                         








                                                                               
 
 
                                                       
                                    












                                                                                       
                         
                 
                                        
                                             
                                                                      

         

                                                   
 


                                                      

                                                   
 


                                                             





                                                    




                                                           


                                                     
        

                                                              
 

                                                                              

                                                                            
 

                                                                           
 

                                                                 

 
                                                                                       
 



                                                                                 
 


                                                                                
 
 

                                              

                                               
                                        

                                       


 








                                        

                              
                                


                                                                         
 

                                                                            
                                                                                                                                                                                                                  






                                                                                                                                                                                                                                                                                                              
                                                                                                                            
                                                                                                                                                                    



                                        
 
                  
 
 
<?php

// Import a channel, either by direct file upload or via
// connection to original server. 

require_once('include/Contact.php');
require_once('include/zot.php');
require_once('include/identity.php');
require_once('include/import.php');


function import_account(&$a, $account_id) {

	if(! $account_id){
		logger("import_account: No account ID supplied");
		return;
	}

	$max_identities = account_service_class_fetch($account_id,'total_identities');
	$max_friends = account_service_class_fetch($account_id,'total_channels');
	$max_feeds = account_service_class_fetch($account_id,'total_feeds');

	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;
		}
	}


	$data     = null;
	$seize    = ((x($_REQUEST,'make_primary')) ? intval($_REQUEST['make_primary']) : 0);
	$import_posts = ((x($_REQUEST,'import_posts')) ? intval($_REQUEST['import_posts']) : 0);
	$src      = $_FILES['filename']['tmp_name'];
	$filename = basename($_FILES['filename']['name']);
	$filesize = intval($_FILES['filename']['size']);
	$filetype = $_FILES['filename']['type'];

	$completed = ((array_key_exists('import_step',$_SESSION)) ? intval($_SESSION['import_step']) : 0);
	if($completed)
		logger('saved import step: ' . $_SESSION['import_step']);

	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);
	}

	if(! $src) {
		$old_address = ((x($_REQUEST,'old_address')) ? $_REQUEST['old_address'] : '');
		if(! $old_address) {
			logger('mod_import: nothing to import.');
			notice( t('Nothing to import.') . EOL);
			return;
		}

		$email    = ((x($_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);

		$scheme = 'https://';
		$api_path = '/api/red/channel/export/basic?f=&channel=' . $channelname;
		if($import_posts)
			$api_path .= '&posts=1';
		$binary = false;
		$redirects = 0;
		$opts = array('http_auth' => $email . ':' . $password);
		$url = $scheme . $servername . $api_path;
		$ret = z_fetch_url($url, $binary, $redirects, $opts);
		if(! $ret['success'])
			$ret = z_fetch_url('http://' . $servername . $api_path, $binary, $redirects, $opts);
		if($ret['success'])
			$data = $ret['body'];
		else
			notice( t('Unable to download data from old server') . EOL);

	}

	if(! $data) {
		logger('mod_import: empty 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('user',$data) && array_key_exists('version',$data)) {
		require_once('include/Import/import_diaspora.php');
		import_diaspora($data);
		return;
	}

	if(UNO)
		return;
		
	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);
		}
		if(array_key_exists('server_role',$data['compatibility']) 
			&& $data['compatibility']['server_role'] != get_server_role()) {
			notice( t('Server platform is not compatible. Operation not permitted.') . EOL);
			return;
		}

	}

	// import channel

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

		if($completed < 1) {
			$channel = import_channel($data['channel'], $account_id, $seize);

		}
		else {
			$r = q("select * from channel where channel_account_id = %d and channel_guid = '%s' limit 1",
				intval($account_id),
				dbesc($channel['channel_guid'])
			);
			if($r)
				$channel = $r[0];
		}
		if(! $channel) {
			logger('mod_import: channel not found. ', print_r($channel,true));
			notice( t('Cloned channel not found. Import failed.') . EOL);
			return;
		}
	}

	if(! $channel)
		$channel = $a->get_channel();
	
	if(! $channel) {
		logger('mod_import: channel not found. ', print_r($channel,true));
		notice( t('No channel. Import failed.') . EOL);
		return;
	}


	if($completed < 2) {
		if(is_array($data['config'])) {
			import_config($channel,$data['config']);
		}

		logger('import step 2');
		$_SESSION['import_step'] = 2;
		ref_session_write(session_id(), serialize($_SESSION));
	}


	if($completed < 3) {

		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');
		$_SESSION['import_step'] = 3;
		ref_session_write(session_id(), serialize($_SESSION));
	}


	if($completed < 4) {

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

		}
		logger('import step 4');
		$_SESSION['import_step'] = 4;
		ref_session_write(session_id(), serialize($_SESSION));
	}

	if($completed < 5) {
		// create new hubloc for the new channel at this site

		$r = q("insert into hubloc ( hubloc_guid, hubloc_guid_sig, hubloc_hash, hubloc_addr, hubloc_network, hubloc_primary, 
			hubloc_url, hubloc_url_sig, hubloc_host, hubloc_callback, hubloc_sitekey )
			values ( '%s', '%s', '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s' )",
			dbesc($channel['channel_guid']),
			dbesc($channel['channel_guid_sig']),
			dbesc($channel['channel_hash']),
			dbesc($channel['channel_address'] . '@' . get_app()->get_hostname()),
			dbesc('zot'),
			intval(($seize) ? 1 : 0),
			dbesc(z_root()),
			dbesc(base64url_encode(rsa_sign(z_root(),$channel['channel_prvkey']))),
			dbesc(get_app()->get_hostname()),
			dbesc(z_root() . '/post'),
			dbesc(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');
		$_SESSION['import_step'] = 5;
		ref_session_write(session_id(), serialize($_SESSION));
	}
 

	if($completed < 6) {

		// import xchans and contact photos

		if($seize) {

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

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

			$r = q("insert into xchan ( xchan_hash, xchan_guid, xchan_guid_sig, xchan_pubkey, xchan_photo_l, xchan_photo_m, xchan_photo_s, xchan_addr, xchan_url, xchan_follow, xchan_connurl, xchan_name, xchan_network, xchan_photo_date, xchan_name_date, xchan_hidden, xchan_orphan, xchan_censored, xchan_selfcensored, xchan_system, xchan_pubforum, xchan_deleted ) values ('%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, %d, %d, %d, %d )",
				dbesc($channel['channel_hash']),
				dbesc($channel['channel_guid']),
				dbesc($channel['channel_guid_sig']),
				dbesc($channel['channel_pubkey']),
				dbesc($a->get_baseurl() . "/photo/profile/l/" . $channel['channel_id']),
				dbesc($a->get_baseurl() . "/photo/profile/m/" . $channel['channel_id']),
				dbesc($a->get_baseurl() . "/photo/profile/s/" . $channel['channel_id']),
				dbesc($channel['channel_address'] . '@' . get_app()->get_hostname()),
				dbesc(z_root() . '/channel/' . $channel['channel_address']),
				dbesc(z_root() . '/follow?f=&url=%s'),
				dbesc(z_root() . '/poco/' . $channel['channel_address']),
				dbesc($channel['channel_name']),
				dbesc('zot'),
				dbesc(datetime_convert()),
				dbesc(datetime_convert()),
				0,0,0,0,0,0,0
			);
		}
		logger('import step 6');
		$_SESSION['import_step'] = 6;
		ref_session_write(session_id(), serialize($_SESSION));
	}

	if($completed < 7) {

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

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

				dbesc_array($xchan);
		
				$r = dbq("INSERT INTO xchan (`" 
					. implode("`, `", array_keys($xchan)) 
					. "`) VALUES ('" 
					. implode("', '", array_values($xchan)) 
					. "')" );

	
				require_once('include/photo/photo_driver.php');
				$photos = import_xchan_photo($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');
		$_SESSION['import_step'] = 7;
		ref_session_write(session_id(), serialize($_SESSION));
	}



	// FIXME - ensure we have an xchan if somebody is trying to pull a fast one

	if($completed < 8) {	
		$friends = 0;
		$feeds = 0;

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

				unset($abook['abook_id']);
				unset($abook['abook_rating']);
				unset($abook['abook_rating_text']);
				$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($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;
				}

				dbesc_array($abook);
				$r = dbq("INSERT INTO abook (`" 
					. implode("`, `", array_keys($abook)) 
					. "`) VALUES ('" 
					. implode("', '", array_values($abook)) 
					. "')" );

				$friends ++;
				if(intval($abook['abook_feed']))
					$feeds ++;
			}
		}
		logger('import step 8');
		$_SESSION['import_step'] = 8;
		ref_session_write(session_id(), serialize($_SESSION));
	}



	if($completed < 9) {
		$groups = $data['group'];
		if($groups) {
			$saved = array();
			foreach($groups as $group) {
				$saved[$group['hash']] = array('old' => $group['id']);
				unset($group['id']);
				$group['uid'] = $channel['channel_id'];
				dbesc_array($group);
				$r = dbq("INSERT INTO groups (`" 
					. implode("`, `", array_keys($group)) 
					. "`) VALUES ('" 
					. implode("', '", array_values($group)) 
					. "')" );
			}
			$r = q("select * from `groups` where uid = %d",
				intval($channel['channel_id'])
			);
			if($r) {
				foreach($r as $rr) {
					$saved[$rr['hash']]['new'] = $rr['id'];
				}
			} 
		}


		$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'] = $x['new'];
				}
				dbesc_array($group_member);
				$r = dbq("INSERT INTO group_member (`" 
					. implode("`, `", array_keys($group_member)) 
					. "`) VALUES ('" 
					. implode("', '", array_values($group_member)) 
					. "')" );
			}
		}
		logger('import step 9');
		$_SESSION['import_step'] = 9;
		ref_session_write(session_id(), serialize($_SESSION));
	}

	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($data['chatroom']))
		import_chatrooms($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']);

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

	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']);


	// FIXME - ensure we have a self entry if somebody is trying to pull a fast one

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

	proc_run('php','include/notifier.php','location',$channel['channel_id']);

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

	proc_run('php', 'include/directory.php', $channel['channel_id']);


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

	change_channel($channel['channel_id']);

	unset($_SESSION['import_step']);
	goaway(z_root() . '/network' );

}


function import_post(&$a) {

	$account_id = get_account_id();
	if(! $account_id)
		return;

	import_account($a, $account_id);
}

function import_content(&$a) {

	if(! get_account_id()) {
		notice( t('You must be logged in to use this feature.'));
		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'),
		'$choice' => t('Or provide the old server/hub details'),
		'$label_old_address' => t('Your old identity address (xyz@example.com)'),
		'$label_old_email' => t('Your old login email address'),
		'$label_old_pass' => t('Your old login password'),
		'$common' => t('For either option, please choose whether to make this hub your new primary address, or whether your old location should continue this role. You will be able to post from either location, but only one can be marked as the primary location for files, photos, and media.'),
		'$label_import_primary' => t('Make this hub my primary location'),
		'$label_import_posts' => t('Import existing posts if possible (experimental - limited by available memory'),
		'$pleasewait' => t('This process may take several minutes to complete. Please submit the form only once and leave this page open until finished.'), 
		'$email' => '',
		'$pass' => '',
		'$submit' => t('Submit')
	));

	return $o;

}