X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fdfrn_confirm.php;h=89b09ef77e8aa8d55418fc36383bd5128ab143ba;hb=a95000d9f58ca1e355540da46fb2bcbad9f81c97;hp=3df36182e18ad34cd065b56eea62752b47b0d168;hpb=033935c19406c8468ed75fdd15a3a532f4e25319;p=friendica.git

diff --git a/mod/dfrn_confirm.php b/mod/dfrn_confirm.php
index 3df36182e1..89b09ef77e 100644
--- a/mod/dfrn_confirm.php
+++ b/mod/dfrn_confirm.php
@@ -1,297 +1,525 @@
 <?php
 
-// There are two possible entry points. Both are called via POST.
+/*
+ * Module: dfrn_confirm
+ * Purpose: Friendship acceptance for DFRN contacts
+ *
+ * There are two possible entry points and three scenarios.
+ *
+ *   1. A form was submitted by our user approving a friendship that originated elsewhere.
+ *      This may also be called from dfrn_request to automatically approve a friendship.
+ *
+ *   2. We may be the target or other side of the conversation to scenario 1, and will 
+ *      interact with that process on our own user's behalf.
+ *   
+ */
+
+function dfrn_confirm_post(&$a,$handsfree = null) {
+
+	if(is_array($handsfree)) {
+
+		/**
+		 * We were called directly from dfrn_request due to automatic friend acceptance.
+		 * Any $_POST parameters we may require are supplied in the $handsfree array.
+		 *
+		 */
+
+		$node = $handsfree['node'];
+		$a->interactive = false; // notice() becomes a no-op since nobody is there to see it
 
-function dfrn_confirm_post(&$a) {
-
-	if($a->argc > 1)
-		$node = $a->argv[1];
+	}
+	else {
+		if($a->argc > 1)
+			$node = $a->argv[1];
+	}
 
-		// Main entry point. Our user received a friend request notification (perhaps 
-		// from another site) and clicked 'Accept'. $POST['source_url'] is not set.
-		// They will perform the following:
+		/**
+		 *
+		 * Main entry point. Scenario 1. Our user received a friend request notification (perhaps 
+		 * from another site) and clicked 'Approve'. 
+		 * $POST['source_url'] is not set. If it is, it indicates Scenario 2.
+		 *
+		 * We may also have been called directly from dfrn_request ($handsfree != null) due to 
+		 * this being a page type which supports automatic friend acceptance. That is also Scenario 1
+		 * since we are operating on behalf of our registered user to approve a friendship.
+		 *
+		 */
 
 	if(! x($_POST,'source_url')) {
 
-		$uid = get_uid();
+		$uid = ((is_array($handsfree)) ? $handsfree['uid'] : local_user());
 
 		if(! $uid) {
 			notice( t('Permission denied.') . EOL );
 			return;
 		}	
 
-		// These come from the friend request notification form.
-	
-		$dfrn_id  = ((x($_POST,'dfrn_id')) ? notags(trim($_POST['dfrn_id'])) : "");
-		$intro_id = intval($_POST['intro_id']);
-		$duplex   = intval($_POST['duplex']);
+		$user = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
+			intval($uid)
+		);
+
+		if(! $user) {
+			notice( t('Profile not found.') . EOL );
+			return;
+		}	
 
 
-		// The other person will have been issued an ID when they first requested friendship.
-		// Locate their record. At this time, their record will have both pending and blocked set to 1. 
+		// These data elements may come from either the friend request notification form or $handsfree array.
 
-		$r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' AND `uid` = %d LIMIT 1",
-				dbesc($dfrn_id),
-				intval($uid)
+		if(is_array($handsfree)) {
+			logger('dfrn_confirm: Confirm in handsfree mode');
+			$dfrn_id   = $handsfree['dfrn_id'];
+			$intro_id  = $handsfree['intro_id'];
+			$duplex    = $handsfree['duplex'];
+			$hidden    = ((array_key_exists('hidden',$handsfree)) ? intval($handsfree['hidden']) : 0 );
+		}
+		else {
+			$dfrn_id  = ((x($_POST,'dfrn_id'))    ? notags(trim($_POST['dfrn_id'])) : "");
+			$intro_id = ((x($_POST,'intro_id'))   ? intval($_POST['intro_id'])      : 0 );
+			$duplex   = ((x($_POST,'duplex'))     ? intval($_POST['duplex'])        : 0 );
+			$cid      = ((x($_POST,'contact_id')) ? intval($_POST['contact_id'])    : 0 );
+			$hidden   = ((x($_POST,'hidden'))     ? intval($_POST['hidden'])        : 0 );
+		}
+
+		/**
+		 *
+		 * Ensure that dfrn_id has precedence when we go to find the contact record.
+		 * We only want to search based on contact id if there is no dfrn_id, 
+		 * e.g. for OStatus network followers.
+		 *
+		 */
+
+		if(strlen($dfrn_id))
+			$cid = 0;
+
+		logger('dfrn_confirm: Confirming request for dfrn_id (issued) ' . $dfrn_id);
+		if($cid)
+			logger('dfrn_confirm: Confirming follower with contact_id: ' . $cid);
+
+
+		/**
+		 *
+		 * The other person will have been issued an ID when they first requested friendship.
+		 * Locate their record. At this time, their record will have both pending and blocked set to 1. 
+		 * There won't be any dfrn_id if this is a network follower, so use the contact_id instead.
+		 *
+		 */
+
+		$r = q("SELECT * FROM `contact` WHERE ( ( `issued-id` != '' AND `issued-id` = '%s' ) OR ( `id` = %d AND `id` != 0 ) ) AND `uid` = %d LIMIT 1",
+			dbesc($dfrn_id),
+			intval($cid),
+			intval($uid)
 		);
 
 		if(! count($r)) {
+			logger('dfrn_confirm: Contact not found in DB.'); 
 			notice( t('Contact not found.') . EOL );
 			return;
 		}
 
-		$contact_id   = $r[0]['id'];
-		$relation     = $r[0]['rel'];
-		$site_pubkey  = $r[0]['site-pubkey'];
-		$dfrn_confirm = $r[0]['confirm'];
-		$aes_allow    = $r[0]['aes_allow'];
-
+		$contact = $r[0];
 
-		// Generate a key pair for all further communications with this person.
-		// We have a keypair for every contact, and a site key for unknown people.
-		// This provides a means to carry on relationships with other people if 
-		// any single key is compromised. It is a robust key. We're much more 
-		// worried about key leakage than anybody cracking it.  
-
-		$res = openssl_pkey_new(array(
-        		'digest_alg' => 'whirlpool',
-        		'private_key_bits' => 4096,
-			'encrypt_key' => false )
-		);
+		$contact_id   = $contact['id'];
+		$relation     = $contact['rel'];
+		$site_pubkey  = $contact['site-pubkey'];
+		$dfrn_confirm = $contact['confirm'];
+		$aes_allow    = $contact['aes_allow'];
+		
+		$network = ((strlen($contact['issued-id'])) ? NETWORK_DFRN : NETWORK_OSTATUS);
+
+		if($contact['network'])
+			$network = $contact['network'];
+
+		if($network === NETWORK_DFRN) {
+
+			/**
+			 *
+			 * Generate a key pair for all further communications with this person.
+			 * We have a keypair for every contact, and a site key for unknown people.
+			 * This provides a means to carry on relationships with other people if 
+			 * any single key is compromised. It is a robust key. We're much more 
+			 * worried about key leakage than anybody cracking it.  
+			 *
+			 */
+
+			$res = openssl_pkey_new(array(
+				'digest_alg' => 'sha1',
+				'private_key_bits' => 4096,
+				'encrypt_key' => false )
+			);
 
+			$private_key = '';
 
-		$private_key = '';
+			openssl_pkey_export($res, $private_key);
 
-		openssl_pkey_export($res, $private_key);
+			$pubkey = openssl_pkey_get_details($res);
+			$public_key = $pubkey["key"];
 
-		$pubkey = openssl_pkey_get_details($res);
-		$public_key = $pubkey["key"];
+			// Save the private key. Send them the public key.
 
-		// Save the private key. Send them the public key.
+			$r = q("UPDATE `contact` SET `prvkey` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
+				dbesc($private_key),
+				intval($contact_id),
+				intval($uid) 
+			);
 
-		$r = q("UPDATE `contact` SET `prvkey` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
-			dbesc($private_key),
-			intval($contact_id),
-			intval($uid) 
-		);
+			$params = array();
 
+			/**
+			 *
+			 * Per the DFRN protocol, we will verify both ends by encrypting the dfrn_id with our 
+			 * site private key (person on the other end can decrypt it with our site public key).
+			 * Then encrypt our profile URL with the other person's site public key. They can decrypt
+			 * it with their site private key. If the decryption on the other end fails for either
+			 * item, it indicates tampering or key failure on at least one site and we will not be 
+			 * able to provide a secure communication pathway.
+			 *
+			 * If other site is willing to accept full encryption, (aes_allow is 1 AND we have php5.3 
+			 * or later) then we encrypt the personal public key we send them using AES-256-CBC and a 
+			 * random key which is encrypted with their site public key.  
+			 *
+			 */
 
-		$params = array();
+			$src_aes_key = random_string();
 
-		// Per the protocol document, we will verify both ends by encrypting the dfrn_id with our 
-		// site private key (person on the other end can decrypt it with our site public key).
-		// Then encrypt our profile URL with the other person's site public key. They can decrypt
-		// it with their site private key. If the decryption on the other end fails for either
-		// item, it indicates tampering or key failure on at least one site and we will not be 
-		// able to provide a secure communication pathway.
+			$result = '';
+			openssl_private_encrypt($dfrn_id,$result,$user[0]['prvkey']);
 
-		// If other site is willing to accept full encryption, (aes_allow is 1 AND we have php5.3 
-		// or later) then we encrypt the personal public key we send them using AES-256-CBC and a 
-		// random key which is encrypted with their site public key.  
+			$params['dfrn_id'] = bin2hex($result);
+			$params['public_key'] = $public_key;
 
-		$src_aes_key = random_string();
 
-		$result = '';
-		openssl_private_encrypt($dfrn_id,$result,$a->user['prvkey']);
+			$my_url = $a->get_baseurl() . '/profile/' . $user[0]['nickname'];
 
-		$params['dfrn_id'] = bin2hex($result);
-		$params['public_key'] = $public_key;
+			openssl_public_encrypt($my_url, $params['source_url'], $site_pubkey);
+			$params['source_url'] = bin2hex($params['source_url']);
 
+			if($aes_allow && function_exists('openssl_encrypt')) {
+				openssl_public_encrypt($src_aes_key, $params['aes_key'], $site_pubkey);
+				$params['aes_key'] = bin2hex($params['aes_key']);
+				$params['public_key'] = bin2hex(openssl_encrypt($public_key,'AES-256-CBC',$src_aes_key));
+			}
 
-		$my_url = $a->get_baseurl() . '/profile/' . $a->user['nickname'];
+			$params['dfrn_version'] = DFRN_PROTOCOL_VERSION ;
+			if($duplex == 1)
+				$params['duplex'] = 1;
 
-		openssl_public_encrypt($my_url, $params['source_url'], $site_pubkey);
-		$params['source_url'] = bin2hex($params['source_url']);
+			logger('dfrn_confirm: Confirm: posting data to ' . $dfrn_confirm . ': ' . print_r($params,true), LOGGER_DATA);
 
-		if($aes_allow && function_exists('openssl_encrypt')) {
-			openssl_public_encrypt($src_aes_key, $params['aes_key'], $site_pubkey);
-			$params['aes_key'] = bin2hex($params['aes_key']);
-			$params['public_key'] = bin2hex(openssl_encrypt($public_key,'AES-256-CBC',$src_aes_key));
-		}
+			/**
+			 *
+			 * POST all this stuff to the other site.
+			 * Temporarily raise the network timeout to 120 seconds because the default 60
+			 * doesn't always give the other side quite enough time to decrypt everything.
+			 *
+			 */
 
-		$params['dfrn_version'] = DFRN_PROTOCOL_VERSION ;
-		if($duplex == 1)
-			$params['duplex'] = 1;
+			$a->config['system']['curl_timeout'] = 120;
 
-		// POST all this stuff to the other site.
+			$res = post_url($dfrn_confirm,$params);
 
-		$res = post_url($dfrn_confirm,$params);
+			logger('dfrn_confirm: Confirm: received data: ' . $res, LOGGER_DATA);
 
-		// Now figure out what they responded. Try to be robust if the remote site is 
-		// having difficulty and throwing up errors of some kind. 
+			// Now figure out what they responded. Try to be robust if the remote site is 
+			// having difficulty and throwing up errors of some kind. 
 
-		$leading_junk = substr($res,0,strpos($res,'<?xml'));
+			$leading_junk = substr($res,0,strpos($res,'<?xml'));
 
-		$res = substr($res,strpos($res,'<?xml'));
-		if(! strlen($res)) {
+			$res = substr($res,strpos($res,'<?xml'));
+			if(! strlen($res)) {
 
-				// No XML at all, this exchange is messed up really bad.
-				// We shouldn't proceed, because the xml parser might choke,
-				// and $status is going to be zero, which indicates success.
-				// We can hardly call this a success.  
+					// No XML at all, this exchange is messed up really bad.
+					// We shouldn't proceed, because the xml parser might choke,
+					// and $status is going to be zero, which indicates success.
+					// We can hardly call this a success.  
+	
+				notice( t('Response from remote site was not understood.') . EOL);
+				return;
+			}
 
-			notice( t('Response from remote site was not understood.') . EOL);
-			return;
-		}
+			if(strlen($leading_junk) && get_config('system','debugging')) {
+	
+					// This might be more common. Mixed error text and some XML.
+					// If we're configured for debugging, show the text. Proceed in either case.
 
-		if(strlen($leading_junk) && get_config('system','debugging')) {
+				notice( t('Unexpected response from remote site: ') . EOL . $leading_junk . EOL );
+			}
 
-				// This might be more common. Mixed error text and some XML.
-				// If we're configured for debugging, show the text. Proceed in either case.
+			$xml = parse_xml_string($res);
+			$status = (int) $xml->status;
+			$message = unxmlify($xml->message);   // human readable text of what may have gone wrong.
+			switch($status) {
+				case 0:
+					notice( t("Confirmation completed successfully.") . EOL);
+					if(strlen($message))
+						notice( t('Remote site reported: ') . $message . EOL);
+					break;
+				case 1:
+					// birthday paradox - generate new dfrn-id and fall through.
+					$new_dfrn_id = random_string();
+					$r = q("UPDATE contact SET `issued-id` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
+						dbesc($new_dfrn_id),
+						intval($contact_id),
+						intval($uid) 
+					);
+
+				case 2:
+					notice( t("Temporary failure. Please wait and try again.") . EOL);
+					if(strlen($message))
+						notice( t('Remote site reported: ') . $message . EOL);
+					break;
+
+
+				case 3:
+					notice( t("Introduction failed or was revoked.") . EOL);
+					if(strlen($message))
+						notice( t('Remote site reported: ') . $message . EOL);
+					break;
+				}
+
+			if(($status == 0) && ($intro_id)) {
+	
+				// Success. Delete the notification.
+	
+				$r = q("DELETE FROM `intro` WHERE `id` = %d AND `uid` = %d LIMIT 1",
+					intval($intro_id),
+					intval($uid)
+				);
+				
+			}
 
-			notice( t('Unexpected response from remote site: ') . EOL . $leading_junk . EOL );
+			if($status != 0) 
+				return;
 		}
 
-		$xml = simplexml_load_string($res);
-		$status = (int) $xml->status;
-		$message = unxmlify($xml->message);   // human readable text of what may have gone wrong.
-		switch($status) {
-			case 0:
-				notice( t("Confirmation completed successfully.") . EOL);
-				if(strlen($message))
-					notice( t('Remote site reported: ') . $message . EOL);
-				break;
-			case 1:
-				// birthday paradox - generate new dfrn-id and fall through.
-				$new_dfrn_id = random_string();
-				$r = q("UPDATE contact SET `issued-id` = '%s' WHERE `id` = %d AND `uid` = %d LIMIT 1",
-					dbesc($new_dfrn_id),
-					intval($contact_id),
-					intval($uid) 
-				);
 
-			case 2:
-				notice( t("Temporary failure. Please wait and try again.") . EOL);
-				if(strlen($message))
-					notice( t('Remote site reported: ') . $message . EOL);
-				break;
+		/*
+		 *
+		 * We have now established a relationship with the other site.
+		 * Let's make our own personal copy of their profile photo so we don't have
+		 * to always load it from their site.
+		 *
+		 * We will also update the contact record with the nature and scope of the relationship.
+		 *
+		 */
 
+		require_once('include/Photo.php');
 
-			case 3:
-				notice( t("Introduction failed or was revoked.") . EOL);
-				if(strlen($message))
-					notice( t('Remote site reported: ') . $message . EOL);
-				break;
+		$photos = import_profile_photo($contact['photo'],$uid,$contact_id);
+		
+		logger('dfrn_confirm: confirm - imported photos');
+
+		if($network === NETWORK_DFRN) {
+
+			$new_relation = CONTACT_IS_FOLLOWER;
+			if(($relation == CONTACT_IS_SHARING) || ($duplex))
+				$new_relation = CONTACT_IS_FRIEND;
+
+			if(($relation == CONTACT_IS_SHARING) && ($duplex))
+				$duplex = 0;
+
+			$r = q("UPDATE `contact` SET 
+				`photo` = '%s', 
+				`thumb` = '%s',
+				`micro` = '%s', 
+				`rel` = %d, 
+				`name-date` = '%s', 
+				`uri-date` = '%s', 
+				`avatar-date` = '%s', 
+				`blocked` = 0, 
+				`pending` = 0,
+				`duplex` = %d,
+				`hidden` = %d,
+				`network` = 'dfrn' WHERE `id` = %d LIMIT 1
+			",
+				dbesc($photos[0]),
+				dbesc($photos[1]),
+				dbesc($photos[2]),
+				intval($new_relation),
+				dbesc(datetime_convert()),
+				dbesc(datetime_convert()),
+				dbesc(datetime_convert()),
+				intval($duplex),
+				intval($hidden),
+				intval($contact_id)
+			);
+		}
+		else {  
+
+			// $network !== NETWORK_DFRN
+
+			$network = (($contact['network']) ? $contact['network'] : NETWORK_OSTATUS);
+			$notify = (($contact['notify']) ? $contact['notify'] : '');
+			$poll   = (($contact['poll']) ? $contact['poll'] : '');
+
+			if((! $contact['notify']) || (! $contact['poll'])) {
+				$arr = lrdd($contact['url']);
+				if(count($arr)) {
+					foreach($arr as $link) {
+						if($link['@attributes']['rel'] === 'salmon')
+							$notify = $link['@attributes']['href'];
+						if($link['@attributes']['rel'] === NAMESPACE_FEED)
+							$poll = $link['@attributes']['href'];
+					}
+				}
 			}
 
-		if(($status == 0) && ($intro_id)) {
+			$new_relation = $contact['rel'];
+			$writable = $contact['writable'];
 
-			// Success. Delete the notification.
+			if($network === NETWORK_DIASPORA) {
+				if($duplex)
+					$new_relation = CONTACT_IS_FRIEND;
+				if($new_relation != CONTACT_IS_FOLLOWER)
+					$writable = 1;
+			}
 
 			$r = q("DELETE FROM `intro` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 				intval($intro_id),
 				intval($uid)
 			);
-			
-		}
 
-		if($status != 0) 
-			return;
-		
-		// We have now established a relationship with the other site.
-		// Let's make our own personal copy of their profile photo so we don't have
-		// to always load it from their site.
 
-		require_once("Photo.php");
+			$r = q("UPDATE `contact` SET `photo` = '%s', 
+				`thumb` = '%s',
+				`micro` = '%s', 
+				`name-date` = '%s', 
+				`uri-date` = '%s', 
+				`avatar-date` = '%s', 
+				`notify` = '%s',
+				`poll` = '%s',
+				`blocked` = 0, 
+				`pending` = 0,
+				`network` = '%s',
+				`writable` = %d,
+				`hidden` = %d,
+				`rel` = %d
+				WHERE `id` = %d LIMIT 1
+			",
+				dbesc($photos[0]),
+				dbesc($photos[1]),
+				dbesc($photos[2]),
+				dbesc(datetime_convert()),
+				dbesc(datetime_convert()),
+				dbesc(datetime_convert()),
+				dbesc($notify),
+				dbesc($poll),
+				dbesc($network),
+				intval($writable),
+				intval($hidden),
+				intval($new_relation),
+				intval($contact_id)
+			);			
+		}
 
-		$photo_failure = false;
+		if($r === false)
+				notice( t('Unable to set contact photo.') . EOL);
 
-		$r = q("SELECT `photo` FROM `contact` WHERE `id` = %d LIMIT 1",
-			intval($contact_id));
-		if(count($r)) {
+		// reload contact info
 
-			$filename = basename($r[0]['photo']);
-			$img_str = fetch_url($r[0]['photo'],true);
-			$img = new Photo($img_str);
-			if($img->is_valid()) {
+		$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
+			intval($contact_id)
+		);
+		if(count($r))
+			$contact = $r[0];
+		else
+			$contact = null;
 
-				$img->scaleImageSquare(175);
-					
-				$hash = photo_new_resource();
+		// Send a new friend post if we are allowed to...
 
-				$r = $img->store($uid, $contact_id, $hash, $filename, t('Contact Photos'), 4 );
+		$r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
+			intval($uid)
+		);
+		if((count($r)) && (! $hidden) && ($r[0]['hide-friends'] == 0) && (is_array($contact)) &&  isset($new_relation) && ($new_relation == CONTACT_IS_FRIEND)) {
 
-				if($r === false)
-					$photo_failure = true;
+			if($r[0]['network'] === NETWORK_DIASPORA) {
+				require_once('include/diaspora.php');
+				$ret = diaspora_share($user[0],$r[0]);
+				logger('mod_follow: diaspora_share returns: ' . $ret);
+			}
 
-				$img->scaleImage(80);
+			require_once('include/items.php');
 
-				$r = $img->store($uid, $contact_id, $hash, $filename, t('Contact Photos'), 5 );
+			$self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
+				intval($uid)
+			);
 
-				if($r === false)
-					$photo_failure = true;
+			if(count($self)) {
+
+				$arr = array();
+				$arr['uri'] = $arr['parent-uri'] = item_new_uri($a->get_hostname(), $uid); 
+				$arr['uid'] = $uid;
+				$arr['contact-id'] = $self[0]['id'];
+				$arr['wall'] = 1;
+				$arr['type'] = 'wall';
+				$arr['gravity'] = 0;
+				$arr['origin'] = 1;
+				$arr['author-name'] = $arr['owner-name'] = $self[0]['name'];
+				$arr['author-link'] = $arr['owner-link'] = $self[0]['url'];
+				$arr['author-avatar'] = $arr['owner-avatar'] = $self[0]['thumb'];
+				$arr['verb'] = ACTIVITY_FRIEND;
+				$arr['object-type'] = ACTIVITY_OBJ_PERSON;
+				
+				$A = '[url=' . $self[0]['url'] . ']' . $self[0]['name'] . '[/url]';
+				$B = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
+				$BPhoto = '[url=' . $contact['url'] . ']' . '[img]' . $contact['thumb'] . '[/img][/url]';
+				$arr['body'] =  sprintf( t('%1$s is now friends with %2$s'), $A, $B)."\n\n\n".$BPhoto;
+
+				$arr['object'] = '<object><type>' . ACTIVITY_OBJ_PERSON . '</type><title>' . $contact['name'] . '</title>'
+					. '<id>' . $contact['url'] . '/' . $contact['name'] . '</id>';
+				$arr['object'] .= '<link>' . xmlify('<link rel="alternate" type="text/html" href="' . $contact['url'] . '" />' . "\n");
+				$arr['object'] .= xmlify('<link rel="photo" type="image/jpeg" href="' . $contact['thumb'] . '" />' . "\n");
+				$arr['object'] .= '</link></object>' . "\n";
+				$arr['last-child'] = 1;
+
+				$arr['allow_cid'] = $user[0]['allow_cid'];
+				$arr['allow_gid'] = $user[0]['allow_gid'];
+				$arr['deny_cid']  = $user[0]['deny_cid'];
+				$arr['deny_gid']  = $user[0]['deny_gid'];
+
+				$i = item_store($arr);
+				if($i)
+			    	proc_run('php',"include/notifier.php","activity","$i");
 
-				$photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
-				$thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';
 			}
-			else
-				$photo_failure = true;
-		}
-		else
-			$photo_failure = true;
 
-		if($photo_failure) {
-			$photo = $a->get_baseurl() . '/images/default-profile.jpg';
-			$thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
 		}
-
-		$new_relation = REL_VIP;
-		if(($relation == REL_FAN) || ($duplex))
-			$new_relation = REL_BUD;
-
-		$r = q("UPDATE `contact` SET `photo` = '%s', 
-			`thumb` = '%s', 
-			`rel` = %d, 
-			`name-date` = '%s', 
-			`uri-date` = '%s', 
-			`avatar-date` = '%s', 
-			`blocked` = 0, 
-			`pending` = 0,
-			`duplex` = %d,
-			`network` = 'dfrn' WHERE `id` = %d LIMIT 1
-		",
-			dbesc($photo),
-			dbesc($thumb),
-			intval($new_relation),
-			dbesc(datetime_convert()),
-			dbesc(datetime_convert()),
-			dbesc(datetime_convert()),
-			intval($duplex),
-			intval($contact_id)
-		);
-		if($r === false)
-			notice( t('Unable to set contact photo.') . EOL);
-
-
 		// Let's send our user to the contact editor in case they want to
 		// do anything special with this new friend.
- 
-		goaway($a->get_baseurl() . '/contacts/' . intval($contact_id));
-		return;  //NOTREACHED
-	}
-
-
-
-	// End of first scenario. [Local confirmation of remote friend request].
-
 
+		if($handsfree === null)
+			goaway($a->get_baseurl() . '/contacts/' . intval($contact_id));
+		else
+			return;  
+		//NOTREACHED
+	}
 
-	// Begin scenario two. This is the remote response to the above scenario.
-	// This will take place on the site that originally initiated the friend request.
-	// In the section above where the confirming party makes a POST and 
-	// retrieves xml status information, they are communicating with the following code.
+	/**
+	 *
+	 *
+	 * End of Scenario 1. [Local confirmation of remote friend request].
+	 *
+	 * Begin Scenario 2. This is the remote response to the above scenario.
+	 * This will take place on the site that originally initiated the friend request.
+	 * In the section above where the confirming party makes a POST and 
+	 * retrieves xml status information, they are communicating with the following code.
+	 *
+	 */
 
 	if(x($_POST,'source_url')) {
 
 		// We are processing an external confirmation to an introduction created by our user.
 
-		$public_key = $_POST['public_key'];
-		$dfrn_id    = hex2bin($_POST['dfrn_id']);
-		$source_url = hex2bin($_POST['source_url']);
-		$aes_key    = $_POST['aes_key'];
-		$duplex     = $_POST['duplex'];
-		$version_id = (float) $_POST['dfrn_version'];
+		$public_key = ((x($_POST,'public_key'))   ? $_POST['public_key']           : '');
+		$dfrn_id    = ((x($_POST,'dfrn_id'))      ? hex2bin($_POST['dfrn_id'])     : '');
+		$source_url = ((x($_POST,'source_url'))   ? hex2bin($_POST['source_url'])  : '');
+		$aes_key    = ((x($_POST,'aes_key'))      ? $_POST['aes_key']              : '');
+		$duplex     = ((x($_POST,'duplex'))       ? intval($_POST['duplex'])       : 0 );
+		$version_id = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
+	
+		logger('dfrn_confirm: requestee contacted: ' . $node);
 
+		logger('dfrn_confirm: request: POST=' . print_r($_POST,true), LOGGER_DATA);
 
 		// If $aes_key is set, both of these items require unpacking from the hex transport encoding.
 
@@ -306,7 +534,7 @@ function dfrn_confirm_post(&$a) {
 			dbesc($node));
 
 		if(! count($r)) {
-			$message = t('No user record found for ') . '\'' . $node . '\'';
+			$message = sprintf(t('No user record found for \'%s\' '), $node);
 			xml_status(3,$message); // failure
 			// NOTREACHED
 		}
@@ -315,7 +543,7 @@ function dfrn_confirm_post(&$a) {
 		$local_uid = $r[0]['uid'];
 
 
-		if(! strstr($my_prvkey,'BEGIN RSA PRIVATE KEY')) {
+		if(! strstr($my_prvkey,'PRIVATE KEY')) {
 			$message = t('Our site encryption key is apparently messed up.');
 			xml_status(3,$message);
 		}
@@ -336,12 +564,22 @@ function dfrn_confirm_post(&$a) {
 			dbesc($decrypted_source_url),
 			intval($local_uid)
 		);
-
 		if(! count($ret)) {
-			// this is either a bogus confirmation (?) or we deleted the original introduction.
-			$message = t('Contact record was not found for you on our site.');
-			xml_status(3,$message);
-			return; // NOTREACHED 
+			if(strstr($decrypted_source_url,'http:'))
+				$newurl = str_replace('http:','https:',$decrypted_source_url);
+			else
+				$newurl = str_replace('https:','http:',$decrypted_source_url);
+
+			$ret = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
+				dbesc($newurl),
+				intval($local_uid)
+			);
+			if(! count($ret)) {
+				// this is either a bogus confirmation (?) or we deleted the original introduction.
+				$message = t('Contact record was not found for you on our site.');
+				xml_status(3,$message);
+				return; // NOTREACHED 
+			}
 		}
 
 		$relation = $ret[0]['rel'];
@@ -351,6 +589,11 @@ function dfrn_confirm_post(&$a) {
 		$foreign_pubkey = $ret[0]['site-pubkey'];
 		$dfrn_record    = $ret[0]['id'];
 
+		if(! $foreign_pubkey) {
+			$message = sprintf( t('Site public key not available in contact record for URL %s.'), $newurl);
+			xml_status(3,$message);
+		}
+
 		$decrypted_dfrn_id = "";
 		openssl_public_decrypt($dfrn_id,$decrypted_dfrn_id,$foreign_pubkey);
 
@@ -364,8 +607,7 @@ function dfrn_confirm_post(&$a) {
 		}
 
 		$r = q("SELECT * FROM `contact` WHERE `dfrn-id` = '%s' LIMIT 1",
-			dbesc($decrypted_dfrn_id),
-			intval($local_uid)
+			dbesc($decrypted_dfrn_id)
 		);
 		if(count($r)) {
 			$message = t('The ID provided by your system is a duplicate on our system. It should work if you try again.');
@@ -385,55 +627,33 @@ function dfrn_confirm_post(&$a) {
 
 		// We're good but now we have to scrape the profile photo and send notifications.
 
-		require_once("Photo.php");
 
-		$photo_failure = false;
 
 		$r = q("SELECT `photo` FROM `contact` WHERE `id` = %d LIMIT 1",
 			intval($dfrn_record));
-		if(count($r)) {
-
-			$filename = basename($r[0]['photo']);
-			$img_str = fetch_url($r[0]['photo'],true);
-			$img = new Photo($img_str);
-			if($img->is_valid()) {
 
-				$img->scaleImageSquare(175);
-					
-				$hash = photo_new_resource();
+		if(count($r))
+			$photo = $r[0]['photo'];
+		else
+			$photo = $a->get_baseurl() . '/images/default-profile.jpg';
+				
+		require_once("Photo.php");
 
-				$r = $img->store($local_uid, $dfrn_record, $hash, $filename, t('Contact Photos') , 4);
+		$photos = import_profile_photo($photo,$local_uid,$dfrn_record);
 
-				if($r === false)
-					$photo_failure = true;
-					
-				$img->scaleImage(80);
-				$r = $img->store($local_uid, $dfrn_record, $hash, $filename, t('Contact Photos') , 5);
+		logger('dfrn_confirm: request - photos imported');
 
-				if($r === false)
-					$photo_failure = true;
+		$new_relation = CONTACT_IS_SHARING;
+		if(($relation == CONTACT_IS_FOLLOWER) || ($duplex))
+			$new_relation = CONTACT_IS_FRIEND;
 
-				$photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg';
-				$thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg';	
-			}
-			else
-				$photo_failure = true;
-		}
-		else
-			$photo_failure = true;
-
-		if($photo_failure) {
-			$photo = $a->get_baseurl() . '/images/default-profile.jpg';
-			$thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg';
-		}
-
-		$new_relation = REL_FAN;
-		if(($relation == REL_VIP) || ($duplex))
-			$new_relation = REL_BUD;
+		if(($relation == CONTACT_IS_FOLLOWER) && ($duplex))
+			$duplex = 0;
 
 		$r = q("UPDATE `contact` SET 
 			`photo` = '%s', 
 			`thumb` = '%s', 
+			`micro` = '%s',
 			`rel` = %d, 
 			`name-date` = '%s', 
 			`uri-date` = '%s', 
@@ -441,18 +661,20 @@ function dfrn_confirm_post(&$a) {
 			`blocked` = 0, 
 			`pending` = 0,
 			`duplex` = %d, 
-			`network` = 'dfrn' WHERE `id` = %d LIMIT 1
+			`network` = '%s' WHERE `id` = %d LIMIT 1
 		",
-			dbesc($photo),
-			dbesc($thumb),
+			dbesc($photos[0]),
+			dbesc($photos[1]),
+			dbesc($photos[2]),
 			intval($new_relation),
 			dbesc(datetime_convert()),
 			dbesc(datetime_convert()),
 			dbesc(datetime_convert()),
 			intval($duplex),
+			dbesc(NETWORK_DFRN),
 			intval($dfrn_record)
 		);
-		if($r === false) { // indicates schema is messed up or total db failure
+		if($r === false) {    // indicates schema is messed up or total db failure
 			$message = t('Unable to update your contact profile details on our system');
 			xml_status(3,$message);
 		}
@@ -460,15 +682,18 @@ function dfrn_confirm_post(&$a) {
 		// Otherwise everything seems to have worked and we are almost done. Yay!
 		// Send an email notification
 
-		$r = q("SELECT * FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
+		logger('dfrn_confirm: request: info updated');
+
+		$r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
 			WHERE `contact`.`id` = %d LIMIT 1",
 			intval($dfrn_record)
 		);
 		if((count($r)) && ($r[0]['notify-flags'] & NOTIFY_CONFIRM)) {
 
-			$tpl = (($new_relation == REL_BUD) 
-				? load_view_file('view/friend_complete_eml.tpl')
-				: load_view_file('view/intro_complete_eml.tpl'));
+			push_lang($r[0]['language']);
+			$tpl = (($new_relation == CONTACT_IS_FRIEND) 
+				? get_intltext_template('friend_complete_eml.tpl')
+				: get_intltext_template('intro_complete_eml.tpl'));
 		
 			$email_tpl = replace_macros($tpl, array(
 				'$sitename' => $a->config['sitename'],
@@ -480,11 +705,16 @@ function dfrn_confirm_post(&$a) {
 				'$uid' => $newuid )
 			);
 	
-			$res = mail($r[0]['email'], t("Connection accepted at ") . $a->config['sitename'],
-				$email_tpl, 'From: ' . t('Administrator') . '@' . $_SERVER[SERVER_NAME] );
+			$res = mail($r[0]['email'], sprintf( t("Connection accepted at %s") , $a->config['sitename']),
+				$email_tpl,
+				'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n"
+				. 'Content-type: text/plain; charset=UTF-8' . "\n"
+				. 'Content-transfer-encoding: 8bit' );
+
 			if(!$res) {
 				// pointless throwing an error here and confusing the person at the other end of the wire.
 			}
+			pop_lang();
 		}
 		xml_status(0); // Success
 		return; // NOTREACHED
@@ -494,7 +724,7 @@ function dfrn_confirm_post(&$a) {
 
 	// somebody arrived here by mistake or they are fishing. Send them to the homepage.
 
-	goaway($a->get_baseurl());
+	goaway(z_root());
 	// NOTREACHED
 
 }