Friendica Communications Platform
(please note that this is a clone of the repository at github, issues are handled there)
https://friendi.ca
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382 lines
11 KiB
382 lines
11 KiB
<?php |
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function dfrn_confirm_post(&$a) { |
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if($a->argc > 1) |
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$node = $a->argv[1]; |
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if(x($_POST,'source_url')) { |
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// We are processing an external confirmation to an introduction created by our user. |
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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 = $_POST['aes_key']; |
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// Find our user's account |
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$r = q("SELECT * FROM `user` WHERE `nickname` = '%s' LIMIT 1", |
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dbesc($node)); |
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if(! count($r)) { |
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xml_status(3); // failure |
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} |
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$my_prvkey = $r[0]['prvkey']; |
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$local_uid = $r[0]['uid']; |
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$decrypted_source_url = ""; |
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// verify everything |
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openssl_private_decrypt($source_url,$decrypted_source_url,$my_prvkey); |
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$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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if(! count($ret)) { |
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// this is either a bogus confirmation or we deleted the original introduction. |
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xml_status(3); |
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} |
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// Decrypt all this stuff we just received |
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$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,$foreign_pubkey); |
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if(strlen($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 = $public_key; |
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} |
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$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($r)) |
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xml_status(1); // Birthday paradox - duplicate dfrn-id |
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$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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// We're good but now we have to scrape the profile photo and send notifications. |
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require_once("Photo.php"); |
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$photo_failure = false; |
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$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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$filename = basename($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($img) { |
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$img->scaleImageSquare(175); |
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$hash = hash('md5',uniqid(mt_rand(),true)); |
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$r = q("INSERT INTO `photo` ( `uid`, `contact-id`, `resource-id`, `created`, `edited`, `filename`, |
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`height`, `width`, `data`, `scale` ) |
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VALUES ( %d, %d, '%s', '%s', '%s', '%s', %d, %d, '%s', 4 )", |
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intval($local_uid), |
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intval($dfrn_record), |
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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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$r = q("INSERT INTO `photo` ( `uid`, `contact-id`, `resource-id`, `created`, `edited`, `filename`, |
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`height`, `width`, `data`, `scale` ) |
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VALUES ( %d, %d, '%s', '%s', '%s', '%s', %d, %d, '%s', 5 )", |
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intval($local_uid), |
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intval($dfrn_record), |
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dbesc($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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$photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg'; |
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$thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg'; |
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} |
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else |
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$photo_failure = true; |
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} |
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else |
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$photo_failure = true; |
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if($photo_failure) { |
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$photo = $a->get_baseurl() . '/images/default-profile.jpg'; |
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$thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg'; |
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} |
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$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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notice( t("Unable to set contact photo info.") . EOL); |
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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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$r = q("SELECT * FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid` |
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WHERE `contact`.`id` = %d LIMIT 1", |
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intval($dfrn_record)); |
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if((count($r)) && ($r[0]['notify-flags'] & NOTIFY_CONFIRM)) { |
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$tpl = file_get_contents('view/intro_complete_eml.tpl'); |
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$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' => $newuid ) |
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); |
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$res = mail($r[0]['email'], t("Introduction accepted at ") . $a->config['sitename'], |
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$email_tpl,t("From: Administrator@") . $_SERVER[SERVER_NAME] ); |
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if(!$res) { |
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notice( t("Email notification failed.") . EOL ); |
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} |
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} |
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xml_status(0); // Success |
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return; // NOTREACHED |
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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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////////////////////// End of this scenario /////////////////////////////////////////////// |
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} |
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else { |
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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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$uid = $_SESSION['uid']; |
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if(! $uid) { |
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notice(t("Permission denied.") . EOL ); |
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return; |
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} |
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$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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$r = q("SELECT * FROM `contact` WHERE `issued-id` = '%s' AND `uid` = %d LIMIT 1", |
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dbesc($dfrn_id), |
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intval($uid) |
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); |
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if((! $r) || (! count($r))) { |
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notice( t('Node does not exist.') . EOL ); |
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return; |
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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 = $r[0]['aes_allow']; |
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$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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$private_key = ''; |
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openssl_pkey_export($res, $private_key); |
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$pubkey = openssl_pkey_get_details($res); |
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$public_key = $pubkey["key"]; |
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$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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$params = array(); |
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$src_aes_key = random_string(); |
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$result = ""; |
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openssl_private_encrypt($dfrn_id,$result,$a->user['prvkey']); |
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$params['dfrn_id'] = $result; |
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$params['public_key'] = $public_key; |
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openssl_public_encrypt($_SESSION['my_url'], $params['source_url'], $site_pubkey); |
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if($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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$res = post_url($dfrn_confirm,$params); |
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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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// echo $res; |
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// $status = 0; |
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$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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notice( t("Confirmation completed successfully") . EOL); |
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break; |
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case 1: |
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// birthday paradox - generate new dfrn-id and fall through. |
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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($uid) |
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); |
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case 2: |
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notice( t("Temporary failure. Please wait and try again.") . EOL); |
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break; |
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case 3: |
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notice( t("Introduction failed or was revoked. Cannot complete.") . EOL); |
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break; |
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} |
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if(($status == 0 || $status == 3) && ($intro_id)) { |
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//delete the notification |
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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($uid) |
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); |
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} |
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if($status != 0) |
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return; |
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require_once("Photo.php"); |
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$photo_failure = false; |
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$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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$filename = basename($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($img) { |
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$img->scaleImageSquare(175); |
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$hash = hash('md5',uniqid(mt_rand(),true)); |
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$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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$photo = $a->get_baseurl() . '/photo/' . $hash . '-4.jpg'; |
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$thumb = $a->get_baseurl() . '/photo/' . $hash . '-5.jpg'; |
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} |
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else |
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$photo_failure = true; |
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} |
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else |
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$photo_failure = true; |
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if($photo_failure) { |
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$photo = $a->get_baseurl() . '/images/default-profile.jpg'; |
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$thumb = $a->get_baseurl() . '/images/default-profile-sm.jpg'; |
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} |
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$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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notice( t("Unable to set contact photo info.") . EOL); |
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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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return; |
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}
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