379 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			379 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| 
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| 
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| function dfrn_confirm_post(&$a) {
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| 	
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| 	if($a->argc > 1)
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| 		$node = $a->argv[1];
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| 
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| 	if(x($_POST,'source_url')) {
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| 
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| 	// We are processing an external confirmation to an introduction created by our user.
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| 
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| 		$public_key = $_POST['public_key'];
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| 		$dfrn_id = $_POST['dfrn_id'];
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| 		$source_url = $_POST['source_url'];
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| 		$aes_key = $_POST['aes_key'];
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| 
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| 		if(intval($node)) 
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| 			$r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
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| 				intval($node));
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| 		else
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| 			$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1",
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| 				dbesc($node));
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| 
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| 		if(! count($r)) {
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| 			xml_status(3); // failure
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| 		}
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| 
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| 		$my_prvkey = $r[0]['prvkey'];
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| 		$local_uid = $r[0]['uid'];
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| 
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| 		$decrypted_source_url = "";
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| 
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| 		openssl_private_decrypt($source_url,$decrypted_source_url,$my_prvkey);
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| 
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| 
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| 		$ret = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
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| 			dbesc($decrypted_source_url),
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| 			intval($local_uid));
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| 
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| 		if(! count($ret)) {
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| 			// this is either a bogus confirmation or we deleted the original introduction.
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| 			xml_status(3); 
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| 		}
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| 
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| 		// Decrypt all this stuff we just received
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| 
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| 		$foreign_pubkey = $ret[0]['site-pubkey'];
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| 		$dfrn_record = $ret[0]['id'];
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| 		$decrypted_dfrn_id = "";
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| 		openssl_public_decrypt($dfrn_id,$decrypted_dfrn_id,$foreign_pubkey);
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| 
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| 		if(strlen($aes_key)) {
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| 			$decrypted_aes_key = "";
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| 			openssl_private_decrypt($aes_key,$decrypted_aes_key,$my_prvkey);
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| 			$dfrn_pubkey = openssl_decrypt($public_key,'AES-256-CBC',$decrypted_aes_key);
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| 		}
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| 		else {
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| 			$dfrn_pubkey = $public_key;
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| 		}
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| 
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| 		$r = q("SELECT * FROM `contact` WHERE `dfrn-id` = '%s' LIMIT 1",
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| 			dbesc($decrypted_dfrn_id),
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| 			intval($local_uid));
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| 		if(count($r))
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| 			xml_status(1); // Birthday paradox - duplicate dfrn-id
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| 
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| 		$r = q("UPDATE `contact` SET `dfrn-id` = '%s', `pubkey` = '%s' WHERE `id` = %d LIMIT 1",
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| 			dbesc($decrypted_dfrn_id),
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| 			dbesc($dfrn_pubkey),
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| 			intval($dfrn_record));
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| 		if($r) {
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| 
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| 			// We're good but now we have to scrape the profile photo and send notifications.
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| 
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| 			require_once("Photo.php");
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| 
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| 			$photo_failure = false;
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| 
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| 			$r = q("SELECT `photo` FROM `contact` WHERE `id` = %d LIMIT 1",
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| 				intval($dfrn_record));
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| 			if(count($r)) {
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| 
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| 				$filename = basename($r[0]['photo']);
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| 				$img_str = fetch_url($r[0]['photo'],true);
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| 				$img = new Photo($img_str);
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| 				if($img) {
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| 
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| 					$img->scaleImageSquare(175);
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| 					
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| 					$hash = hash('md5',uniqid(mt_rand(),true));
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| 
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| 					$r = q("INSERT INTO `photo` ( `uid`, `resource-id`, `created`, `edited`, `filename`,
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|                                 		`height`, `width`, `data`, `scale` )
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|                                 		VALUES ( %d, '%s', '%s', '%s', '%s', %d, %d, '%s', 4 )",
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| 						intval($local_uid),
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|                                 		dbesc($hash),
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|                                 		datetime_convert(),
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|                                 		datetime_convert(),
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|                                 		dbesc(basename($r[0]['photo'])),
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|                                 		intval($img->getHeight()),
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| 						intval($img->getWidth()),
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| 						dbesc($img->imageString())
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| 					);
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| 					if($r === false)
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| 						$photo_failure = true;
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| 					$img->scaleImage(80);
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| 					$r =  q("INSERT INTO `photo` ( `uid`, `resource-id`, `created`, `edited`, `filename`,
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|                                                 `height`, `width`, `data`, `scale` )
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|                                                 VALUES ( %d, '%s', '%s', '%s', '%s', %d, %d, '%s', 5 )",
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|                                                 intval($local_uid),
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|                                                 dbesc($hash),
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|                                                 datetime_convert(),
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|                                                 datetime_convert(),
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|                                                 dbesc(basename($r[0]['photo'])),
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|                                                 intval($img->getHeight()),
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|                                                 intval($img->getWidth()),
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|                                                 dbesc($img->imageString())
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|                                         );
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| 					if($r === false)
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| 						$photo_failure = true;
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| 
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| 					$photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
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| 					$thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
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| 					
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| 				}
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| 				else
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| 					$photo_failure = true;
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| 			}
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| 			else
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| 				$photo_failure = true;
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| 
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| 			if($photo_failure) {
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| 				$photo = $a->get_baseurl() . '/images/default-profile.jpg';
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| 				$thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
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| 			}
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| 
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| 			$r = q("UPDATE `contact` SET `photo` = '%s', `thumb` = '%s', `blocked` = 0, `pending` = 0 WHERE `id` = %d LIMIT 1",
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| 				dbesc($photo),
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| 				dbesc($thumb),
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| 				intval($dfrn_record)
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| 			);
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| 			if($r === false)
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| 				$_SESSION['sysmsg'] .= "Unable to set contact photo info." . EOL;
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| 
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| 			// Otherwise everything seems to have worked and we are almost done. Yay!
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| 			// Send an email notification
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| 
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| 			$r = q("SELECT * FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
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| 				WHERE `contact`.`id` = %d LIMIT 1",
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| 				intval($dfrn_record));
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| 			
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| 			$tpl = file_get_contents('view/intro_complete_eml.tpl');
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| 			
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| 			$email_tpl = replace_macros($tpl, array(
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|                                 '$sitename' => $a->config['sitename'],
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|                                 '$siteurl' =>  $a->get_baseurl(),
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|                                 '$username' => $r[0]['username'],
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|                                 '$email' => $r[0]['email'],
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| 				'$fn' => $r[0]['name'],
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| 				'$dfrn_url' => $r[0]['url'],
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|                                 '$uid' => $newuid ));
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| 
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| 
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|                 	$res = mail($r[0]['email'],"Introduction accepted at {$a->config['sitename']}",
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| 				$email_tpl,"From: Administrator@{$_SERVER[SERVER_NAME]}");
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| 			if(!$res) {
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| 				notice( "Email notification failed." . EOL );
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| 			}
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| 			xml_status(0); // Success
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| 
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| 			return; // NOTREACHED
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| 
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| 		}
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| 		else
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| 			xml_status(2);	// Hopefully temporary problem that can be retried.
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| 
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| 		return; // NOTREACHED
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| 
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| 	////////////////////// End of this scenario ///////////////////////////////////////////////
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| 	}
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| 	else {
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| 
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| 		// We are processing a local confirmation initiated on this system by our user to an external introduction.
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| 
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| 		$uid = $_SESSION['uid'];
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| 
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| 		if(! $uid) {
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| 			notice("Permission denied." . EOL );
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| 			return;
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| 		}	
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| 	
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| 		$dfrn_id = ((x($_POST,'dfrn_id')) ? notags(trim($_POST['dfrn_id'])) : "");
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| 		$intro_id = intval($_POST['intro_id']);
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| 
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| 		$r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' AND `uid` = %d LIMIT 1",
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| 				dbesc($dfrn_id),
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| 				intval($uid)
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| 				);
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| 
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| 		if((! $r) || (! count($r))) {
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| 			$_SESSION['sysmsg'] = 'Node does not exist.' . EOL ;
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| 			return;
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| 		}
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| 
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| 		$contact_id = $r[0]['id'];
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| 		$site_pubkey = $r[0]['site-pubkey'];
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| 		$dfrn_confirm = $r[0]['confirm'];
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| 		$aes_allow = $r[0]['aes_allow'];
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| 
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| 		$res=openssl_pkey_new(array(
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|         		'digest_alg' => 'whirlpool',
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|         		'private_key_bits' => 4096,
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| 			'encrypt_key' => false ));
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| 
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| 
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| 		$private_key = '';
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| 
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| 		openssl_pkey_export($res, $private_key);
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| 
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| 
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| 		$pubkey = openssl_pkey_get_details($res);
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| 		$public_key = $pubkey["key"];
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| 
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| 		$r = q("UPDATE `contact` SET `issued-pubkey` = '%s', `prvkey` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
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| 			dbesc($public_key),
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| 			dbesc($private_key),
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| 			intval($contact_id),
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| 			intval($uid) 
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| 			);
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| 
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| 
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| 		$params = array();
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| 
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| 		$src_aes_key = random_string();
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| 		$result = "";
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| 
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| 		openssl_private_encrypt($dfrn_id,$result,$a->user['prvkey']);
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| 
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| 		$params['dfrn_id'] = $result;
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| 		$params['public_key'] = $public_key;
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| 
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| 
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| 		openssl_public_encrypt($_SESSION['my_url'], $params['source_url'], $site_pubkey);
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| 
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| 		if($aes_allow && function_exists('openssl_encrypt')) {
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| 			openssl_public_encrypt($src_aes_key, $params['aes_key'], $site_pubkey);
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| 			$params['public_key'] = openssl_encrypt($public_key,'AES-256-CBC',$src_aes_key);
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| 		}
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| 
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| 		$res = post_url($dfrn_confirm,$params);
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| 
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| // uncomment the following two lines and comment the following xml/status lines
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| // to debug the remote confirmation section (when both confirmations 
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| // and responses originate on this system)
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| 
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| // echo $res;
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| // $status = 0;
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| 
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| 		$xml = simplexml_load_string($res);
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| 		$status = (int) $xml->status;
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| 		switch($status) {
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| 			case 0:
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| 				$_SESSION['sysmsg'] .= "Confirmation completed successfully" . EOL;
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| 				break;
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| 			case 1:
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| 
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| 				// birthday paradox - generate new dfrn-id and fall through.
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| 
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| 				$new_dfrn_id = random_string();
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| 				$r = q("UPDATE contact SET `issued-id` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
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| 					dbesc($new_dfrn_id),
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| 					intval($contact_id),
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| 					intval($uid) 
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| 				);
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| 
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| 			case 2:
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| 				$_SESSION['sysmsg'] .= "Temporary failure. Please wait and try again." . EOL;
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| 				break;
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| 
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| 
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| 			case 3:
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| 				$_SESSION['sysmsg'] .= "Introduction failed or was revoked. Cannot complete." . EOL;
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| 				break;
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| 		}
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| 
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| 		if(($status == 0 || $status == 3) && ($intro_id)) {
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| 
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| 			//delete the notification
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| 
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| 			$r = q("DELETE FROM `intro` WHERE `id` = %d AND `uid` = %d LIMIT 1",
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| 				intval($intro_id),
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| 				intval($uid)
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| 			);
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| 			
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| 		}
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| 		if($status != 0) 
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| 			return;
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| 		
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| 
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| 		require_once("Photo.php");
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| 
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| 		$photo_failure = false;
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| 
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| 		$r = q("SELECT `photo` FROM `contact` WHERE `id` = %d LIMIT 1",
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| 			intval($contact_id));
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| 		if(count($r)) {
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| 
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| 			$filename = basename($r[0]['photo']);
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| 			$img_str = fetch_url($r[0]['photo'],true);
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| 			$img = new Photo($img_str);
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| 			if($img) {
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| 
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| 				$img->scaleImageSquare(175);
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| 					
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| 				$hash = hash('md5',uniqid(mt_rand(),true));
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| 
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| 				$r = q("INSERT INTO `photo` ( `uid`, `resource-id`, `created`, `edited`, `filename`,
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|                                		`height`, `width`, `data`, `scale` )
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|                                		VALUES ( %d, '%s', '%s', '%s', '%s', %d, %d, '%s', 4 )",
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| 					intval($local_uid),
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|                                		dbesc($hash),
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|                                		datetime_convert(),
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|                                		datetime_convert(),
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|                                		dbesc(basename($r[0]['photo'])),
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|                                		intval($img->getHeight()),
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| 					intval($img->getWidth()),
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| 					dbesc($img->imageString())
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| 				);
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| 				if($r === false)
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| 					$photo_failure = true;
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| 				$img->scaleImage(80);
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| 				$r =  q("INSERT INTO `photo` ( `uid`, `resource-id`, `created`, `edited`, `filename`,
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| 					`height`, `width`, `data`, `scale` )
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|                                          VALUES ( %d, '%s', '%s', '%s', '%s', %d, %d, '%s', 5 )",
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|                                          intval($local_uid),
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|                                          dbesc($hash),
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|                                          datetime_convert(),
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|                                          datetime_convert(),
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|                                          dbesc(basename($r[0]['photo'])),
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|                                          intval($img->getHeight()),
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|                                          intval($img->getWidth()),
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|                                          dbesc($img->imageString())
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|                                 );
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| 				if($r === false)
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| 					$photo_failure = true;
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| 
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| 				$photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
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| 				$thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
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| 					
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| 			}
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| 			else
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| 				$photo_failure = true;
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| 		}
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| 		else
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| 			$photo_failure = true;
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| 
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| 		if($photo_failure) {
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| 			$photo = $a->get_baseurl() . '/images/default-profile.jpg';
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| 			$thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
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| 		}
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| 
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| 		$r = q("UPDATE `contact` SET `photo` = '%s', `thumb` = '%s', `blocked` = 0, `pending` = 0 WHERE `id` = %d LIMIT 1",
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| 			dbesc($photo),
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| 			dbesc($thumb),
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| 			intval($contact_id)
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| 		);
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| 		if($r === false)
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| 			$_SESSION['sysmsg'] .= "Unable to set contact photo info." . EOL;
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| 
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| 		goaway($a->get_baseurl() . '/contacts/' . intval($contact_id));
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| 		return;  //NOTREACHED
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| 
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| 	}
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| 
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| 	return;
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| }
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