<?php
-// There are two possible entry points.
+/*
+ * 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)) {
- // called directly from dfrn_request due to automatic friend acceptance
- // any $_POST parameters we may require are supplied in the $handsfree array
+ /**
+ * 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
$node = $a->argv[1];
}
- // Main entry point. Our user received a friend request notification (perhaps
- // from another site) and clicked 'Approve'. $POST['source_url'] is not set.
- // OR we have been called directly from dfrn_request ($handsfree != null) due to
- // this being a page type which supports automatic friend acceptance.
+ /**
+ *
+ * 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')) {
}
- // These come from either the friend request notification form or $handsfree array.
+ // These data elements may come from either the friend request notification form or $handsfree array.
if(is_array($handsfree)) {
- $dfrn_id = $handsfree['dfrn_id'];
- $intro_id = $handsfree['intro_id'];
- $duplex = $handsfree['duplex'];
+ 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 );
+ $activity = ((array_key_exists('activity',$handsfree)) ? intval($handsfree['activity']) : 0 );
}
else {
- $dfrn_id = ((x($_POST,'dfrn_id')) ? notags(trim($_POST['dfrn_id'])) : "");
- $intro_id = intval($_POST['intro_id']);
- $duplex = intval($_POST['duplex']);
- $cid = intval($_POST['contact_id']);
+ $dfrn_id = ((x($_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 );
+ $activity = ((x($_POST,'activity')) ? intval($_POST['activity']) : 0 );
}
- // 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)
+ /**
+ *
+ * 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.
+ *
+ */
+
+ $r = q("SELECT * FROM `contact` WHERE ( ( `issued-id` != '' AND `issued-id` = '%s' ) OR ( `id` = %d AND `id` != 0 ) ) AND `uid` = %d AND `duplex` = 0 LIMIT 1",
+ dbesc($dfrn_id),
+ intval($cid),
+ intval($uid)
);
if(! count($r)) {
+ logger('dfrn_confirm: Contact not found in DB.');
notice( t('Contact not found.') . EOL );
+ notice( t('This may occasionally happen if contact was requested by both persons and it has already been approved.') . EOL );
return;
}
$site_pubkey = $contact['site-pubkey'];
$dfrn_confirm = $contact['confirm'];
$aes_allow = $contact['aes_allow'];
+
+ $network = ((strlen($contact['issued-id'])) ? NETWORK_DFRN : NETWORK_OSTATUS);
- $network = ((strlen($contact['issued-id'])) ? 'dfrn' : 'stat');
+ if($contact['network'])
+ $network = $contact['network'];
- if($network === 'dfrn') {
+ 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.
+ /**
+ *
+ * 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',
+ 'digest_alg' => 'sha1',
'private_key_bits' => 4096,
'encrypt_key' => false )
);
-
$private_key = '';
openssl_pkey_export($res, $private_key);
$params = array();
- // 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.
-
- // 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.
+ /**
+ *
+ * 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.
+ *
+ */
$src_aes_key = random_string();
if($duplex == 1)
$params['duplex'] = 1;
- // POST all this stuff to the other site.
+ if($user['page-flags'] == PAGE_COMMUNITY)
+ $params['page'] = 1;
+
+ logger('dfrn_confirm: Confirm: posting data to ' . $dfrn_confirm . ': ' . print_r($params,true), LOGGER_DATA);
+
+ /**
+ *
+ * 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.
+ *
+ */
+
+ $a->config['system']['curl_timeout'] = 120;
$res = post_url($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.
notice( t('Unexpected response from remote site: ') . EOL . $leading_junk . EOL );
}
- $xml = simplexml_load_string($res);
+ $xml = parse_xml_string($res);
$status = (int) $xml->status;
$message = unxmlify($xml->message); // human readable text of what may have gone wrong.
switch($status) {
case 0:
- notice( t("Confirmation completed successfully.") . EOL);
+ info( t("Confirmation completed successfully.") . EOL);
if(strlen($message))
notice( t('Remote site reported: ') . $message . EOL);
break;
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");
+ /*
+ *
+ * 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');
$photos = import_profile_photo($contact['photo'],$uid,$contact_id);
+
+ logger('dfrn_confirm: confirm - imported photos');
- if($network === 'dfrn') {
+ if($network === NETWORK_DFRN) {
- $new_relation = REL_VIP;
- if(($relation == REL_FAN) || ($duplex))
- $new_relation = REL_BUD;
+ $new_relation = CONTACT_IS_FOLLOWER;
+ if(($relation == CONTACT_IS_SHARING) || ($duplex))
+ $new_relation = CONTACT_IS_FRIEND;
- if(($relation == REL_FAN) && ($duplex))
+ if(($relation == CONTACT_IS_SHARING) && ($duplex))
$duplex = 0;
- $r = q("UPDATE `contact` SET `photo` = '%s',
+ $r = q("UPDATE `contact` SET
+ `photo` = '%s',
`thumb` = '%s',
`micro` = '%s',
`rel` = %d,
`blocked` = 0,
`pending` = 0,
`duplex` = %d,
+ `hidden` = %d,
`network` = 'dfrn' WHERE `id` = %d LIMIT 1
",
dbesc($photos[0]),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
intval($duplex),
+ intval($hidden),
intval($contact_id)
);
}
else {
- $notify = '';
- $poll = '';
+ // $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'];
+ }
+ }
+ }
- // $network !== 'dfrn'
+ $new_relation = $contact['rel'];
+ $writable = $contact['writable'];
- $arr = lrdd($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 = $link['@attributes']['href'];
- }
+ if($network === NETWORK_DIASPORA) {
+ if($duplex)
+ $new_relation = CONTACT_IS_FRIEND;
+ else
+ $new_relation = CONTACT_IS_SHARING;
+
+ if($new_relation != CONTACT_IS_FOLLOWER)
+ $writable = 1;
}
$r = q("DELETE FROM `intro` WHERE `id` = %d AND `uid` = %d LIMIT 1",
`poll` = '%s',
`blocked` = 0,
`pending` = 0,
- `network` = 'stat'
+ `network` = '%s',
+ `writable` = %d,
+ `hidden` = %d,
+ `rel` = %d
WHERE `id` = %d LIMIT 1
",
dbesc($photos[0]),
dbesc(datetime_convert()),
dbesc($notify),
dbesc($poll),
+ dbesc($network),
+ intval($writable),
+ intval($hidden),
+ intval($new_relation),
intval($contact_id)
);
}
if($r === false)
notice( t('Unable to set contact photo.') . EOL);
+ // reload contact info
- // Let's send our user to the contact editor in case they want to
- // do anything special with this new friend.
+ $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
+ intval($contact_id)
+ );
+ if(count($r))
+ $contact = $r[0];
+ else
+ $contact = null;
- if($handsfree === null)
- goaway($a->get_baseurl() . '/contacts/' . intval($contact_id));
- return; //NOTREACHED
+ if(isset($new_relation) && $new_relation == CONTACT_IS_FRIEND) {
- }
+ if(($contact) && ($contact['network'] === NETWORK_DIASPORA)) {
+ require_once('include/diaspora.php');
+ $ret = diaspora_share($user[0],$r[0]);
+ logger('mod_follow: diaspora_share returns: ' . $ret);
+ }
+
+ // Send a new friend post if we are allowed to...
+ $r = q("SELECT `hide-friends` FROM `profile` WHERE `uid` = %d AND `is-default` = 1 LIMIT 1",
+ intval($uid)
+ );
+ if((count($r)) && ($activity) && (! $hidden)) {
+ require_once('include/items.php');
- // End of first scenario. [Local confirmation of remote friend request].
+ $self = q("SELECT * FROM `contact` WHERE `self` = 1 AND `uid` = %d LIMIT 1",
+ intval($uid)
+ );
+ 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");
+ }
+ }
+ }
+ // Let's send our user to the contact editor in case they want to
+ // do anything special with this new friend.
+ 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 );
+ $page = ((x($_POST,'page')) ? intval($_POST['page']) : 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 $aes_key is set, both of these items require unpacking from the hex transport encoding.
dbesc($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
}
$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);
}
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'];
$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);
xml_status(3,$message);
}
+ // It's possible that the other person also requested friendship.
+ // If it is a duplex relationship, ditch the issued-id if one exists.
+
+ if($duplex) {
+ $r = q("UPDATE `contact` SET `issued-id` = '' WHERE `id` = %d LIMIT 1",
+ intval($dfrn_record)
+ );
+ }
+
// We're good but now we have to scrape the profile photo and send notifications.
if(count($r))
$photo = $r[0]['photo'];
else
- $photo = $a->get_baseurl() . '/images/default-profile.jpg';
+ $photo = $a->get_baseurl() . '/images/person-175.jpg';
require_once("Photo.php");
$photos = import_profile_photo($photo,$local_uid,$dfrn_record);
- $new_relation = REL_FAN;
- if(($relation == REL_VIP) || ($duplex))
- $new_relation = REL_BUD;
+ logger('dfrn_confirm: request - photos imported');
- if(($relation == REL_VIP) && ($duplex))
+ $new_relation = CONTACT_IS_SHARING;
+ if(($relation == CONTACT_IS_FOLLOWER) || ($duplex))
+ $new_relation = CONTACT_IS_FRIEND;
+
+ if(($relation == CONTACT_IS_FOLLOWER) && ($duplex))
$duplex = 0;
$r = q("UPDATE `contact` SET
`blocked` = 0,
`pending` = 0,
`duplex` = %d,
- `network` = 'dfrn' WHERE `id` = %d LIMIT 1
+ `forum` = %d,
+ `network` = '%s' WHERE `id` = %d LIMIT 1
",
dbesc($photos[0]),
dbesc($photos[1]),
dbesc(datetime_convert()),
dbesc(datetime_convert()),
intval($duplex),
+ intval($page),
+ dbesc(NETWORK_DFRN),
intval($dfrn_record)
);
if($r === false) { // indicates schema is messed up or total db failure
// 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' => $a->config['sitename'],
'$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
// somebody arrived here by mistake or they are fishing. Send them to the homepage.
- goaway($a->get_baseurl());
+ goaway(z_root());
// NOTREACHED
}
projects / friendica.git / blobdiff