use Friendica\Model\Group;
use Friendica\Model\User;
use Friendica\Network\Probe;
-use Friendica\Protocol\Diaspora;
-use Friendica\Protocol\ActivityPub;
use Friendica\Util\Crypto;
use Friendica\Util\DateTimeFormat;
use Friendica\Util\Network;
$site_pubkey = $contact['site-pubkey'];
$dfrn_confirm = $contact['confirm'];
$aes_allow = $contact['aes_allow'];
+ $protocol = $contact['network'];
- // an empty DFRN-ID tells us that it had been a request via AP from a Friendica contact
- if (!empty($contact['protocol'])) {
- $protocol = $contact['protocol'];
- } elseif (($contact['network'] === Protocol::DFRN) && empty($dfrn_id)) {
- $protocol = Contact::getProtocol($contact['url'], $contact['network']);
- } else {
- $protocol = $contact['network'];
- }
-
- if ($protocol === Protocol::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 = Crypto::newKeypair(4096);
-
- $private_key = $res['prvkey'];
- $public_key = $res['pubkey'];
-
- // Save the private key. Send them the public key.
- $fields = ['prvkey' => $private_key, 'protocol' => Protocol::DFRN];
- DBA::update('contact', $fields, ['id' => $contact_id]);
-
- $params = [];
-
- /*
- * 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 = openssl_random_pseudo_bytes(64);
-
- $result = '';
- openssl_private_encrypt($dfrn_id, $result, $user['prvkey']);
-
- $params['dfrn_id'] = bin2hex($result);
- $params['public_key'] = $public_key;
-
- $my_url = System::baseUrl() . '/profile/' . $user['nickname'];
-
- openssl_public_encrypt($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));
- }
-
- $params['dfrn_version'] = DFRN_PROTOCOL_VERSION;
- if ($duplex == 1) {
- $params['duplex'] = 1;
- }
-
- if ($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) {
- $params['page'] = 1;
- }
-
- if ($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
- $params['page'] = 2;
- }
-
- Logger::log('Confirm: posting data to ' . $dfrn_confirm . ': ' . print_r($params, true), Logger::DATA);
+ /*
+ * 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 = Crypto::newKeypair(4096);
- /*
- *
- * 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.
- *
- */
+ $private_key = $res['prvkey'];
+ $public_key = $res['pubkey'];
- $res = Network::post($dfrn_confirm, $params, null, $redirects, 120)->getBody();
+ // Save the private key. Send them the public key.
+ $fields = ['prvkey' => $private_key, 'protocol' => Protocol::DFRN];
+ DBA::update('contact', $fields, ['id' => $contact_id]);
- Logger::log(' Confirm: received data: ' . $res, Logger::DATA);
+ $params = [];
- // Now figure out what they responded. Try to be robust if the remote site is
- // having difficulty and throwing up errors of some kind.
+ /*
+ * 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.
+ */
- $leading_junk = substr($res, 0, strpos($res, '<?xml'));
+ $src_aes_key = openssl_random_pseudo_bytes(64);
- $res = substr($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.
- notice(L10n::t('Response from remote site was not understood.') . EOL);
- return;
- }
+ $result = '';
+ openssl_private_encrypt($dfrn_id, $result, $user['prvkey']);
- if (strlen($leading_junk) && Config::get('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.
- notice(L10n::t('Unexpected response from remote site: ') . EOL . $leading_junk . EOL);
- }
+ $params['dfrn_id'] = bin2hex($result);
+ $params['public_key'] = $public_key;
- if (stristr($res, "<status") === false) {
- // wrong xml! stop here!
- Logger::log('Unexpected response posting to ' . $dfrn_confirm);
- notice(L10n::t('Unexpected response from remote site: ') . EOL . htmlspecialchars($res) . EOL);
- return;
- }
+ $my_url = System::baseUrl() . '/profile/' . $user['nickname'];
- $xml = XML::parseString($res);
- $status = (int) $xml->status;
- $message = XML::unescape($xml->message); // human readable text of what may have gone wrong.
- switch ($status) {
- case 0:
- info(L10n::t("Confirmation completed successfully.") . EOL);
- break;
- case 1:
- // birthday paradox - generate new dfrn-id and fall through.
- $new_dfrn_id = Strings::getRandomHex();
- q("UPDATE contact SET `issued-id` = '%s' WHERE `id` = %d AND `uid` = %d",
- DBA::escape($new_dfrn_id),
- intval($contact_id),
- intval($uid)
- );
-
- case 2:
- notice(L10n::t("Temporary failure. Please wait and try again.") . EOL);
- break;
- case 3:
- notice(L10n::t("Introduction failed or was revoked.") . EOL);
- break;
- }
+ openssl_public_encrypt($my_url, $params['source_url'], $site_pubkey);
+ $params['source_url'] = bin2hex($params['source_url']);
- if (strlen($message)) {
- notice(L10n::t('Remote site reported: ') . $message . EOL);
- }
+ if ($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', $src_aes_key));
+ }
- if (($status == 0) && $intro_id) {
- $intro = DBA::selectFirst('intro', ['note'], ['id' => $intro_id]);
- if (DBA::isResult($intro)) {
- DBA::update('contact', ['reason' => $intro['note']], ['id' => $contact_id]);
- }
+ $params['dfrn_version'] = DFRN_PROTOCOL_VERSION;
+ if ($duplex == 1) {
+ $params['duplex'] = 1;
+ }
- // Success. Delete the notification.
- DBA::delete('intro', ['id' => $intro_id]);
- }
+ if ($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) {
+ $params['page'] = 1;
+ }
- if ($status != 0) {
- return;
- }
- } else {
- DBA::update('contact', ['protocol' => $protocol], ['id' => $contact_id]);
+ if ($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) {
+ $params['page'] = 2;
}
+ Logger::log('Confirm: posting data to ' . $dfrn_confirm . ': ' . print_r($params, true), Logger::DATA);
+
/*
- * 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.
+ * 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.
+ *
*/
- Contact::updateAvatar($contact['photo'], $uid, $contact_id);
- Logger::log('dfrn_confirm: confirm - imported photos');
+ $res = Network::post($dfrn_confirm, $params, null, $redirects, 120)->getBody();
- if ($protocol === Protocol::DFRN) {
- $new_relation = Contact::FOLLOWER;
+ Logger::log(' Confirm: received data: ' . $res, Logger::DATA);
- if (($relation == Contact::SHARING) || ($duplex)) {
- $new_relation = Contact::FRIEND;
- }
+ // Now figure out what they responded. Try to be robust if the remote site is
+ // having difficulty and throwing up errors of some kind.
- if (($relation == Contact::SHARING) && ($duplex)) {
- $duplex = 0;
- }
-
- $r = q("UPDATE `contact` SET `rel` = %d,
- `name-date` = '%s',
- `uri-date` = '%s',
- `blocked` = 0,
- `pending` = 0,
- `duplex` = %d,
- `hidden` = %d,
- `network` = '%s' WHERE `id` = %d
- ",
- intval($new_relation),
- DBA::escape(DateTimeFormat::utcNow()),
- DBA::escape(DateTimeFormat::utcNow()),
- intval($duplex),
- intval($hidden),
- DBA::escape(Protocol::DFRN),
- intval($contact_id)
- );
- } else {
- if ($protocol == Protocol::ACTIVITYPUB) {
- ActivityPub\Transmitter::sendContactAccept($contact['url'], $contact['hub-verify'], $uid);
- // Setting "pending" to true on a bidirectional contact request could create a problem when it isn't accepted on the other side
- // Then we have got a situation where - although one direction is accepted - the contact still appears as pending.
- // Possibly we need two different "pending" fields, one for incoming, one for outgoing?
- // This has to be thought over, but for now this here is a better solution.
- // $pending = $duplex;
- $pending = false;
- } else {
- $pending = false;
- }
+ $leading_junk = substr($res, 0, strpos($res, '<?xml'));
- $arr = Probe::uri($contact['url'], $protocol);
+ $res = substr($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.
+ notice(L10n::t('Response from remote site was not understood.') . EOL);
+ return;
+ }
- $notify = defaults($contact, 'notify' , $arr['notify']);
- $poll = defaults($contact, 'poll' , $arr['poll']);
+ if (strlen($leading_junk) && Config::get('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.
+ notice(L10n::t('Unexpected response from remote site: ') . EOL . $leading_junk . EOL);
+ }
- $addr = $arr['addr'];
+ if (stristr($res, "<status") === false) {
+ // wrong xml! stop here!
+ Logger::log('Unexpected response posting to ' . $dfrn_confirm);
+ notice(L10n::t('Unexpected response from remote site: ') . EOL . htmlspecialchars($res) . EOL);
+ return;
+ }
- $new_relation = $contact['rel'];
- $writable = $contact['writable'];
+ $xml = XML::parseString($res);
+ $status = (int) $xml->status;
+ $message = XML::unescape($xml->message); // human readable text of what may have gone wrong.
+ switch ($status) {
+ case 0:
+ info(L10n::t("Confirmation completed successfully.") . EOL);
+ break;
+ case 1:
+ // birthday paradox - generate new dfrn-id and fall through.
+ $new_dfrn_id = Strings::getRandomHex();
+ q("UPDATE contact SET `issued-id` = '%s' WHERE `id` = %d AND `uid` = %d",
+ DBA::escape($new_dfrn_id),
+ intval($contact_id),
+ intval($uid)
+ );
+
+ case 2:
+ notice(L10n::t("Temporary failure. Please wait and try again.") . EOL);
+ break;
+ case 3:
+ notice(L10n::t("Introduction failed or was revoked.") . EOL);
+ break;
+ }
- if (in_array($protocol, [Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
- if ($duplex) {
- $new_relation = Contact::FRIEND;
- } else {
- $new_relation = Contact::FOLLOWER;
- }
+ if (strlen($message)) {
+ notice(L10n::t('Remote site reported: ') . $message . EOL);
+ }
- if ($new_relation != Contact::FOLLOWER) {
- $writable = 1;
- }
+ if (($status == 0) && $intro_id) {
+ $intro = DBA::selectFirst('intro', ['note'], ['id' => $intro_id]);
+ if (DBA::isResult($intro)) {
+ DBA::update('contact', ['reason' => $intro['note']], ['id' => $contact_id]);
}
+ // Success. Delete the notification.
DBA::delete('intro', ['id' => $intro_id]);
+ }
- $fields = ['name-date' => DateTimeFormat::utcNow(),
- 'uri-date' => DateTimeFormat::utcNow(), 'addr' => $addr,
- 'notify' => $notify, 'poll' => $poll, 'blocked' => false,
- 'pending' => $pending, 'protocol' => $protocol,
- 'writable' => $writable, 'hidden' => $hidden, 'rel' => $new_relation];
- DBA::update('contact', $fields, ['id' => $contact_id]);
+ if ($status != 0) {
+ return;
}
- if (!DBA::isResult($r)) {
- notice(L10n::t('Unable to set contact photo.') . EOL);
+ /*
+ * We have now established a relationship with the other site.
+ * Let's make our own personal copy of their profile photo so we don't have
+ * to always load it from their site.
+ *
+ * We will also update the contact record with the nature and scope of the relationship.
+ */
+ Contact::updateAvatar($contact['photo'], $uid, $contact_id);
+
+ Logger::log('dfrn_confirm: confirm - imported photos');
+
+ $new_relation = Contact::FOLLOWER;
+
+ if (($relation == Contact::SHARING) || ($duplex)) {
+ $new_relation = Contact::FRIEND;
}
+ if (($relation == Contact::SHARING) && ($duplex)) {
+ $duplex = 0;
+ }
+
+ $r = q("UPDATE `contact` SET `rel` = %d,
+ `name-date` = '%s',
+ `uri-date` = '%s',
+ `blocked` = 0,
+ `pending` = 0,
+ `duplex` = %d,
+ `hidden` = %d,
+ `network` = '%s' WHERE `id` = %d
+ ",
+ intval($new_relation),
+ DBA::escape(DateTimeFormat::utcNow()),
+ DBA::escape(DateTimeFormat::utcNow()),
+ intval($duplex),
+ intval($hidden),
+ DBA::escape(Protocol::DFRN),
+ intval($contact_id)
+ );
+
// reload contact info
$contact = DBA::selectFirst('contact', [], ['id' => $contact_id]);
- if (isset($new_relation) && ($new_relation == Contact::FRIEND)) {
- if (DBA::isResult($contact) && ($contact['network'] === Protocol::DIASPORA)) {
- $ret = Diaspora::sendShare($user, $contact);
- Logger::log('share returns: ' . $ret);
- }
- }
Group::addMember(User::getDefaultGroup($uid, $contact["network"]), $contact['id']);
- if (($protocol == Protocol::ACTIVITYPUB) && $duplex) {
- ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $uid);
- }
-
// Let's send our user to the contact editor in case they want to
// do anything special with this new friend.
if ($handsfree === null) {
--- /dev/null
+<?php
+namespace Friendica\Module;
+
+use Friendica\App;
+use Friendica\BaseModule;
+use Friendica\Core\L10n;
+use Friendica\Core\Logger;
+use Friendica\Core\Protocol;
+use Friendica\Database\DBA;
+use Friendica\Model\Contact;
+use Friendica\Protocol\Diaspora;
+use Friendica\Protocol\ActivityPub;
+use Friendica\Util\DateTimeFormat;
+
+class FollowConfirm extends BaseModule
+{
+ public static function post()
+ {
+ $a = self::getApp();
+
+ $uid = local_user();
+ if (!$uid) {
+ notice(L10n::t('Permission denied.') . EOL);
+ return;
+ }
+
+ $intro_id = intval(defaults($_POST, 'intro_id' , 0));
+ $duplex = intval(defaults($_POST, 'duplex' , 0));
+ $cid = intval(defaults($_POST, 'contact_id', 0));
+ $hidden = intval(defaults($_POST, 'hidden' , 0));
+
+ if (empty($cid)) {
+ notice(L10n::t('No given contact.') . EOL);
+ return;
+ }
+
+ Logger::log('Confirming follower with contact_id: ' . $cid);
+
+ $contact = DBA::selectFirst('contact', [], ['id' => $cid, 'uid' => $uid]);
+ if (!DBA::isResult($contact)) {
+ Logger::log('Contact not found in DB.');
+ notice(L10n::t('Contact not found.') . EOL);
+ return;
+ }
+
+ $relation = $contact['rel'];
+ $new_relation = $contact['rel'];
+ $writable = $contact['writable'];
+
+ if (!empty($contact['protocol'])) {
+ $protocol = $contact['protocol'];
+ } else {
+ $protocol = $contact['network'];
+ }
+
+ if ($protocol == Protocol::ACTIVITYPUB) {
+ ActivityPub\Transmitter::sendContactAccept($contact['url'], $contact['hub-verify'], $uid);
+ }
+
+ if (in_array($protocol, [Protocol::DIASPORA, Protocol::ACTIVITYPUB])) {
+ if ($duplex) {
+ $new_relation = Contact::FRIEND;
+ } else {
+ $new_relation = Contact::FOLLOWER;
+ }
+
+ if ($new_relation != Contact::FOLLOWER) {
+ $writable = 1;
+ }
+ }
+
+ $fields = ['name-date' => DateTimeFormat::utcNow(),
+ 'uri-date' => DateTimeFormat::utcNow(),
+ 'blocked' => false, 'pending' => false, 'protocol' => $protocol,
+ 'writable' => $writable, 'hidden' => $hidden, 'rel' => $new_relation];
+ DBA::update('contact', $fields, ['id' => $cid]);
+
+ if ($new_relation == Contact::FRIEND) {
+ if ($protocol == Protocol::DIASPORA) {
+ $user = DBA::selectFirst('user', [], ['uid' => $uid]);
+ $contact = DBA::select('contact', [], ['id' => $cid]);
+ $ret = Diaspora::sendShare($user, $contact);
+ Logger::log('share returns: ' . $ret);
+ } elseif ($protocol == Protocol::ACTIVITYPUB) {
+ ActivityPub\Transmitter::sendActivity('Follow', $contact['url'], $uid);
+ }
+ }
+
+ DBA::delete('intro', ['id' => $intro_id]);
+
+ $a->internalRedirect('contact/' . intval($cid));
+ }
+}
projects / friendica.git / commitdiff