friendica/mod/dfrn_notify.php

748 lines
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PHP
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<?php
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require_once('simplepie/simplepie.inc');
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require_once('include/items.php');
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function dfrn_notify_post(&$a) {
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$dfrn_id = ((x($_POST,'dfrn_id')) ? notags(trim($_POST['dfrn_id'])) : '');
$dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
$challenge = ((x($_POST,'challenge')) ? notags(trim($_POST['challenge'])) : '');
$data = ((x($_POST,'data')) ? $_POST['data'] : '');
$key = ((x($_POST,'key')) ? $_POST['key'] : '');
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$dissolve = ((x($_POST,'dissolve')) ? intval($_POST['dissolve']) : 0);
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$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
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$r = q("SELECT * FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
dbesc($dfrn_id),
dbesc($challenge)
);
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if(! count($r)) {
logger('dfrn_notify: could not match challenge to dfrn_id ' . $dfrn_id . ' challenge=' . $challenge);
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xml_status(3);
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}
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$r = q("DELETE FROM `challenge` WHERE `dfrn-id` = '%s' AND `challenge` = '%s' LIMIT 1",
dbesc($dfrn_id),
dbesc($challenge)
);
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// find the local user who owns this relationship.
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$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
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break;
case 0:
$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
break;
case 1:
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
break;
default:
xml_status(3);
break; // NOTREACHED
}
$r = q("SELECT `contact`.*, `contact`.`uid` AS `importer_uid`,
`contact`.`pubkey` AS `cpubkey`,
`contact`.`prvkey` AS `cprvkey`,
`contact`.`thumb` AS `thumb`,
`contact`.`url` as `url`,
`contact`.`name` as `senderName`,
`user`.*
FROM `contact`
LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0
AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
dbesc($a->argv[1])
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);
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if(! count($r)) {
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logger('dfrn_notify: contact not found for dfrn_id ' . $dfrn_id);
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xml_status(3);
//NOTREACHED
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}
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// $importer in this case contains the contact record for the remote contact joined with the user record of our user.
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$importer = $r[0];
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logger('dfrn_notify: received notify from ' . $importer['name'] . ' for ' . $importer['username']);
logger('dfrn_notify: data: ' . $data, LOGGER_DATA);
if($dissolve == 1) {
/**
* Relationship is dissolved permanently
*/
require_once('include/Contact.php');
contact_remove($importer['id']);
logger('relationship dissolved : ' . $importer['name'] . ' dissolved ' . $importer['username']);
xml_status(0);
}
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if(strlen($key)) {
$rawkey = hex2bin(trim($key));
logger('rino: md5 raw key: ' . md5($rawkey));
$final_key = '';
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if($dfrn_version >= 2.1) {
if((($importer['duplex']) && strlen($importer['cprvkey'])) || (! strlen($importer['cpubkey']))) {
openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
}
else {
openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
}
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}
else {
if((($importer['duplex']) && strlen($importer['cpubkey'])) || (! strlen($importer['cprvkey']))) {
openssl_public_decrypt($rawkey,$final_key,$importer['cpubkey']);
}
else {
openssl_private_decrypt($rawkey,$final_key,$importer['cprvkey']);
}
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}
logger('rino: received key : ' . $final_key);
$data = aes_decrypt(hex2bin($data),$final_key);
logger('rino: decrypted data: ' . $data, LOGGER_DATA);
}
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if($importer['readonly']) {
// We aren't receiving stuff from this person. But we will quietly ignore them
// rather than a blatant "go away" message.
logger('dfrn_notify: ignoring');
xml_status(0);
//NOTREACHED
}
// Consume notification feed. This may differ from consuming a public feed in several ways
// - might contain email
// - might contain remote followup to our message
// - in which case we need to accept it and then notify other conversants
// - we may need to send various email notifications
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$feed = new SimplePie();
$feed->set_raw_data($data);
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$feed->enable_order_by_date(false);
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$feed->init();
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$ismail = false;
$rawmail = $feed->get_feed_tags( NAMESPACE_DFRN, 'mail' );
if(isset($rawmail[0]['child'][NAMESPACE_DFRN])) {
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logger('dfrn_notify: private message received');
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$ismail = true;
$base = $rawmail[0]['child'][NAMESPACE_DFRN];
$msg = array();
$msg['uid'] = $importer['importer_uid'];
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$msg['from-name'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['name'][0]['data']));
$msg['from-photo'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['avatar'][0]['data']));
$msg['from-url'] = notags(unxmlify($base['sender'][0]['child'][NAMESPACE_DFRN]['uri'][0]['data']));
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$msg['contact-id'] = $importer['id'];
$msg['title'] = notags(unxmlify($base['subject'][0]['data']));
$msg['body'] = escape_tags(unxmlify($base['content'][0]['data']));
$msg['seen'] = 0;
$msg['replied'] = 0;
$msg['uri'] = notags(unxmlify($base['id'][0]['data']));
$msg['parent-uri'] = notags(unxmlify($base['in-reply-to'][0]['data']));
$msg['created'] = datetime_convert(notags(unxmlify('UTC','UTC',$base['sentdate'][0]['data'])));
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dbesc_array($msg);
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$r = dbq("INSERT INTO `mail` (`" . implode("`, `", array_keys($msg))
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. "`) VALUES ('" . implode("', '", array_values($msg)) . "')" );
// send email notification if requested.
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require_once('bbcode.php');
if($importer['notify-flags'] & NOTIFY_MAIL) {
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// name of the automated email sender
$msg['notificationfromname'] = t('Administrator');
// noreply address to send from
$msg['notificationfromemail'] = t('noreply') . '@' . $a->get_hostname();
// text version
// process the message body to display properly in text mode
// 1) substitute a \n character for the "\" then "n", so it behaves properly (it doesn't come in as a \n character)
// 2) remove escape slashes
// 3) decode any bbcode from the message editor
// 4) decode any encoded html tags
// 5) remove html tags
$msg['textversion']
= strip_tags(html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r", "\\n"), "\n",$msg['body']))),ENT_QUOTES,'UTF-8'));
// html version
// process the message body to display properly in text mode
// 1) substitute a <br /> tag for the "\" then "n", so it behaves properly (it doesn't come in as a \n character)
// 2) remove escape slashes
// 3) decode any bbcode from the message editor
// 4) decode any encoded html tags
$msg['htmlversion']
= html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r","\\n\\n" ,"\\n"), "<br />\n",$msg['body']))));
// load the template for private message notifications
$tpl = load_view_file('view/mail_received_html_body_eml.tpl');
$email_html_body_tpl = replace_macros($tpl,array(
'$siteName' => $a->config['sitename'], // name of this site
'$siteurl' => $a->get_baseurl(), // descriptive url of this site
'$thumb' => $importer['thumb'], // thumbnail url for sender icon
'$email' => $importer['email'], // email address to send to
'$url' => $importer['url'], // full url for the site
'$from' => $msg['from-name'], // name of the person sending the message
'$title' => stripslashes($msg['title']), // subject of the message
'$htmlversion' => $msg['htmlversion'], // html version of the message
'$mimeboundary' => $msg['mimeboundary'], // mime message divider
'$hostname' => $a->get_hostname() // name of this host
));
// load the template for private message notifications
$tpl = load_view_file('view/mail_received_text_body_eml.tpl');
$email_text_body_tpl = replace_macros($tpl,array(
'$siteName' => $a->config['sitename'], // name of this site
'$siteurl' => $a->get_baseurl(), // descriptive url of this site
'$thumb' => $importer['thumb'], // thumbnail url for sender icon
'$email' => $importer['email'], // email address to send to
'$url' => $importer['url'], // full url for the site
'$from' => $msg['from-name'], // name of the person sending the message
'$title' => stripslashes($msg['title']), // subject of the message
'$textversion' => $msg['textversion'], // text version of the message
'$mimeboundary' => $msg['mimeboundary'], // mime message divider
'$hostname' => $a->get_hostname() // name of this host
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));
// use the EmailNotification library to send the message
require_once("include/EmailNotification.php");
EmailNotification::sendTextHtmlEmail(
$msg['notificationfromname'],
$msg['notificationfromemail'],
$msg['notificationfromemail'],
$importer['email'],
t('New mail received at ') . $a->config['sitename'],
$email_html_body_tpl,
$email_text_body_tpl
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);
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}
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xml_status(0);
// NOTREACHED
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}
logger('dfrn_notify: feed item count = ' . $feed->get_item_quantity());
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// process any deleted entries
$del_entries = $feed->get_feed_tags(NAMESPACE_TOMB, 'deleted-entry');
if(is_array($del_entries) && count($del_entries)) {
foreach($del_entries as $dentry) {
$deleted = false;
if(isset($dentry['attribs']['']['ref'])) {
$uri = $dentry['attribs']['']['ref'];
$deleted = true;
if(isset($dentry['attribs']['']['when'])) {
$when = $dentry['attribs']['']['when'];
$when = datetime_convert('UTC','UTC', $when, 'Y-m-d H:i:s');
}
else
$when = datetime_convert('UTC','UTC','now','Y-m-d H:i:s');
}
if($deleted) {
$r = q("SELECT * FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
dbesc($uri),
intval($importer['importer_uid'])
);
if(count($r)) {
$item = $r[0];
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if(! $item['deleted'])
logger('dfrn_notify: deleting item ' . $item['id'] . ' uri=' . $item['uri'], LOGGER_DEBUG);
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if($item['uri'] == $item['parent-uri']) {
$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
WHERE `parent-uri` = '%s' AND `uid` = %d",
dbesc($when),
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dbesc(datetime_convert()),
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dbesc($item['uri']),
intval($importer['importer_uid'])
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);
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}
else {
$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s'
WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
dbesc($when),
dbesc(datetime_convert()),
dbesc($uri),
intval($importer['importer_uid'])
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);
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if($item['last-child']) {
// ensure that last-child is set in case the comment that had it just got wiped.
q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
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dbesc(datetime_convert()),
dbesc($item['parent-uri']),
intval($item['uid'])
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);
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// who is the last child now?
$r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d
ORDER BY `created` DESC LIMIT 1",
dbesc($item['parent-uri']),
intval($importer['importer_uid'])
);
if(count($r)) {
q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
intval($r[0]['id'])
);
}
}
}
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}
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}
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}
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}
foreach($feed->get_items() as $item) {
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$is_reply = false;
$item_id = $item->get_id();
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$rawthread = $item->get_item_tags( NAMESPACE_THREAD, 'in-reply-to');
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if(isset($rawthread[0]['attribs']['']['ref'])) {
$is_reply = true;
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$parent_uri = $rawthread[0]['attribs']['']['ref'];
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}
if($is_reply) {
if($feed->get_item_quantity() == 1) {
logger('dfrn_notify: received remote comment');
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$is_like = false;
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// remote reply to our post. Import and then notify everybody else.
$datarray = get_atom_elements($feed,$item);
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$datarray['type'] = 'remote-comment';
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$datarray['wall'] = 1;
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$datarray['parent-uri'] = $parent_uri;
$datarray['uid'] = $importer['importer_uid'];
$datarray['contact-id'] = $importer['id'];
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if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
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$is_like = true;
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$datarray['type'] = 'activity';
$datarray['gravity'] = GRAVITY_LIKE;
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$datarray['last-child'] = 0;
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}
$posted_id = item_store($datarray);
$parent = 0;
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if($posted_id) {
$r = q("SELECT `parent` FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1",
intval($posted_id),
intval($importer['importer_uid'])
);
if(count($r))
$parent = $r[0]['parent'];
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if(! $is_like) {
$r1 = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `uid` = %d AND `parent` = %d",
dbesc(datetime_convert()),
intval($importer['importer_uid']),
intval($r[0]['parent'])
);
$r2 = q("UPDATE `item` SET `last-child` = 1, `changed` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
dbesc(datetime_convert()),
intval($importer['importer_uid']),
intval($posted_id)
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);
}
if($posted_id && $parent) {
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proc_run('php',"include/notifier.php","comment-import","$posted_id");
if((! $is_like) && ($importer['notify-flags'] & NOTIFY_COMMENT) && (! $importer['self'])) {
require_once('bbcode.php');
$from = stripslashes($datarray['author-name']);
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/*
$tpl = load_view_file('view/cmnt_received_eml.tpl');
$email_tpl = replace_macros($tpl, array(
'$sitename' => $a->config['sitename'],
'$siteurl' => $a->get_baseurl(),
'$username' => $importer['username'],
'$email' => $importer['email'],
'$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $posted_id,
'$from' => $from,
'$body' => html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8')
));
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$res = mail($importer['email'], $from . t(' commented on an item at ') . $a->config['sitename'],
$email_tpl, "From: " . t('Administrator') . '@' . $a->get_hostname() );
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*/
// name of the automated email sender
$msg['notificationfromname'] = stripslashes($datarray['author-name']);;
// noreply address to send from
$msg['notificationfromemail'] = t('noreply') . '@' . $a->get_hostname();
// text version
// process the message body to display properly in text mode
$msg['textversion']
= html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8');
// html version
// process the message body to display properly in text mode
$msg['htmlversion']
= html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r","\\n\\n" ,"\\n"), "<br />\n",$datarray['body']))));
// load the template for private message notifications
$tpl = load_view_file('view/cmnt_received_html_body_eml.tpl');
$email_html_body_tpl = replace_macros($tpl,array(
'$sitename' => $a->config['sitename'], // name of this site
'$siteurl' => $a->get_baseurl(), // descriptive url of this site
'$thumb' => $datarray['author-avatar'], // thumbnail url for sender icon
'$email' => $importer['email'], // email address to send to
'$url' => $datarray['author-link'], // full url for the site
'$from' => $from, // name of the person sending the message
'$body' => 'q1' .$msg['htmlversion'], // html version of the message
'$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
));
// load the template for private message notifications
$tpl = load_view_file('view/cmnt_received_text_body_eml.tpl');
$email_text_body_tpl = replace_macros($tpl,array(
'$sitename' => $a->config['sitename'], // name of this site
'$siteurl' => $a->get_baseurl(), // descriptive url of this site
'$thumb' => $datarray['author-avatar'], // thumbnail url for sender icon
'$email' => $importer['email'], // email address to send to
'$url' => $datarray['author-link'], // full url for the site
'$from' => $from, // name of the person sending the message
'$body' => $msg['textversion'], // text version of the message
'$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
));
// use the EmailNotification library to send the message
require_once("include/EmailNotification.php");
EmailNotification::sendTextHtmlEmail(
$msg['notificationfromname'],
t("Administrator@") . $a->get_hostname(),
t("noreply") . '@' . $a->get_hostname(),
$importer['email'],
$from . t(" commented on an item at ") . $a->config['sitename'],
$email_html_body_tpl,
$email_text_body_tpl
);
}
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}
xml_status(0);
// NOTREACHED
}
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}
else {
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// regular comment that is part of this total conversation. Have we seen it? If not, import it.
$item_id = $item->get_id();
$datarray = get_atom_elements($feed,$item);
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$r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($item_id),
intval($importer['importer_uid'])
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);
// Update content if 'updated' changes
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if(count($r)) {
if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
$r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
dbesc($datarray['body']),
dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
dbesc($item_id),
intval($importer['importer_uid'])
);
}
// update last-child if it changes
$allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
if(($allow) && ($allow[0]['data'] != $r[0]['last-child'])) {
$r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d",
dbesc(datetime_convert()),
dbesc($parent_uri),
intval($importer['importer_uid'])
);
$r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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intval($allow[0]['data']),
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dbesc(datetime_convert()),
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dbesc($item_id),
intval($importer['importer_uid'])
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);
}
continue;
}
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$datarray['parent-uri'] = $parent_uri;
$datarray['uid'] = $importer['importer_uid'];
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$datarray['contact-id'] = $importer['id'];
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if(($datarray['verb'] == ACTIVITY_LIKE) || ($datarray['verb'] == ACTIVITY_DISLIKE)) {
$datarray['type'] = 'activity';
$datarray['gravity'] = GRAVITY_LIKE;
}
$r = item_store($datarray);
// find out if our user is involved in this conversation and wants to be notified.
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if(($datarray['type'] != 'activity') && ($importer['notify-flags'] & NOTIFY_COMMENT)) {
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$myconv = q("SELECT `author-link`, `author-avatar` FROM `item` WHERE `parent-uri` = '%s' AND `uid` = %d AND `parent` != 0 ",
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dbesc($parent_uri),
intval($importer['importer_uid'])
);
if(count($myconv)) {
$importer_url = $a->get_baseurl() . '/profile/' . $importer['nickname'];
foreach($myconv as $conv) {
if(! link_compare($conv['author-link'],$importer_url))
continue;
require_once('bbcode.php');
$from = stripslashes($datarray['author-name']);
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/*
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$tpl = load_view_file('view/cmnt_received_eml.tpl');
$email_tpl = replace_macros($tpl, array(
'$sitename' => $a->config['sitename'],
'$siteurl' => $a->get_baseurl(),
'$username' => $importer['username'],
'$email' => $importer['email'],
'$from' => $from,
'$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
'$body' => html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8')
));
$res = mail($importer['email'], $from . t(" commented on an item at ")
. $a->config['sitename'],
$email_tpl,t("From: Administrator@") . $a->get_hostname() );
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*/
// name of the automated email sender
$msg['notificationfromname'] = stripslashes($datarray['author-name']);;
// noreply address to send from
$msg['notificationfromemail'] = t('noreply') . '@' . $a->get_hostname();
// text version
// process the message body to display properly in text mode
$msg['textversion']
= html_entity_decode(strip_tags(bbcode(stripslashes($datarray['body']))), ENT_QUOTES, 'UTF-8');
// html version
// process the message body to display properly in text mode
$msg['htmlversion']
= html_entity_decode(bbcode(stripslashes(str_replace(array("\\r\\n", "\\r","\\n\\n" ,"\\n"), "<br />\n",$datarray['body']))));
// load the template for private message notifications
$tpl = load_view_file('view/cmnt_received_html_body_eml.tpl');
$email_html_body_tpl = replace_macros($tpl,array(
'$sitename' => $a->config['sitename'], // name of this site
'$siteurl' => $a->get_baseurl(), // descriptive url of this site
'$thumb' => $conv['author-avatar'], // thumbnail url for sender icon
'$url' => $conv['author-link'], // full url for the site
'$from' => $from, // name of the person sending the message
'$body' => $msg['htmlversion'], // html version of the message
'$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
));
// load the template for private message notifications
$tpl = load_view_file('view/cmnt_received_text_body_eml.tpl');
$email_text_body_tpl = replace_macros($tpl,array(
'$sitename' => $a->config['sitename'], // name of this site
'$siteurl' => $a->get_baseurl(), // descriptive url of this site
'$thumb' => $conv['author-avatar'], // thumbnail url for sender icon
'$url' => $conv['author-link'], // full url for the site
'$from' => $from, // name of the person sending the message
'$body' => $msg['textversion'], // text version of the message
'$display' => $a->get_baseurl() . '/display/' . $importer['nickname'] . '/' . $r,
));
// use the EmailNotification library to send the message
require_once("include/EmailNotification.php");
EmailNotification::sendTextHtmlEmail(
$msg['notificationfromname'],
t("Administrator@") . $a->get_hostname(),
t("noreply") . '@' . $a->get_hostname(),
$importer['email'],
$from . t(" commented on an item at ") . $a->config['sitename'],
$email_html_body_tpl,
$email_text_body_tpl
);
break;
}
}
}
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continue;
}
}
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else {
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// Head post of a conversation. Have we seen it? If not, import it.
$item_id = $item->get_id();
$datarray = get_atom_elements($feed,$item);
$r = q("SELECT `uid`, `last-child`, `edited`, `body` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($item_id),
intval($importer['importer_uid'])
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);
// Update content if 'updated' changes
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if(count($r)) {
if((x($datarray,'edited') !== false) && (datetime_convert('UTC','UTC',$datarray['edited']) !== $r[0]['edited'])) {
$r = q("UPDATE `item` SET `body` = '%s', `edited` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
dbesc($datarray['body']),
dbesc(datetime_convert('UTC','UTC',$datarray['edited'])),
dbesc($item_id),
intval($importer['importer_uid'])
);
}
// update last-child if it changes
$allow = $item->get_item_tags( NAMESPACE_DFRN, 'comment-allow');
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if($allow && $allow[0]['data'] != $r[0]['last-child']) {
$r = q("UPDATE `item` SET `last-child` = %d , `changed` = '%s' WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
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intval($allow[0]['data']),
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dbesc(datetime_convert()),
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dbesc($item_id),
intval($importer['importer_uid'])
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);
}
continue;
}
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$datarray['parent-uri'] = $item_id;
$datarray['uid'] = $importer['importer_uid'];
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$datarray['contact-id'] = $importer['id'];
$r = item_store($datarray);
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continue;
}
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}
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xml_status(0);
// NOTREACHED
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}
function dfrn_notify_content(&$a) {
if(x($_GET,'dfrn_id')) {
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// initial communication from external contact, $direction is their direction.
// If this is a duplex communication, ours will be the opposite.
$dfrn_id = notags(trim($_GET['dfrn_id']));
$dfrn_version = (float) $_GET['dfrn_version'];
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logger('dfrn_notify: new notification dfrn_id=' . $dfrn_id);
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$direction = (-1);
if(strpos($dfrn_id,':') == 1) {
$direction = intval(substr($dfrn_id,0,1));
$dfrn_id = substr($dfrn_id,2);
}
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$hash = random_string();
$status = 0;
$r = q("DELETE FROM `challenge` WHERE `expire` < " . intval(time()));
$r = q("INSERT INTO `challenge` ( `challenge`, `dfrn-id`, `expire` )
VALUES( '%s', '%s', %d ) ",
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dbesc($hash),
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dbesc($dfrn_id),
intval(time() + 90 )
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);
logger('dfrn_notify: challenge=' . $hash );
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$sql_extra = '';
switch($direction) {
case (-1):
$sql_extra = sprintf(" AND ( `issued-id` = '%s' OR `dfrn-id` = '%s' ) ", dbesc($dfrn_id), dbesc($dfrn_id));
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$my_id = $dfrn_id;
break;
case 0:
$sql_extra = sprintf(" AND `issued-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '1:' . $dfrn_id;
break;
case 1:
$sql_extra = sprintf(" AND `dfrn-id` = '%s' AND `duplex` = 1 ", dbesc($dfrn_id));
$my_id = '0:' . $dfrn_id;
break;
default:
$status = 1;
break; // NOTREACHED
}
$r = q("SELECT `contact`.*, `user`.`nickname` FROM `contact` LEFT JOIN `user` ON `user`.`uid` = `contact`.`uid`
WHERE `contact`.`blocked` = 0 AND `contact`.`pending` = 0 AND `user`.`nickname` = '%s' $sql_extra LIMIT 1",
dbesc($a->argv[1])
);
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if(! count($r))
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$status = 1;
$challenge = '';
$encrypted_id = '';
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$id_str = $my_id . '.' . mt_rand(1000,9999);
if((($r[0]['duplex']) && strlen($r[0]['prvkey'])) || (! strlen($r[0]['pubkey']))) {
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openssl_private_encrypt($hash,$challenge,$r[0]['prvkey']);
openssl_private_encrypt($id_str,$encrypted_id,$r[0]['prvkey']);
}
else {
openssl_public_encrypt($hash,$challenge,$r[0]['pubkey']);
openssl_public_encrypt($id_str,$encrypted_id,$r[0]['pubkey']);
}
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$challenge = bin2hex($challenge);
$encrypted_id = bin2hex($encrypted_id);
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$rino = ((function_exists('mcrypt_encrypt')) ? 1 : 0);
$rino_enable = get_config('system','rino_encrypt');
if(! $rino_enable)
$rino = 0;
header("Content-type: text/xml");
echo '<?xml version="1.0" encoding="UTF-8"?>' . "\r\n"
. '<dfrn_notify>' . "\r\n"
. "\t" . '<status>' . $status . '</status>' . "\r\n"
. "\t" . '<dfrn_version>' . DFRN_PROTOCOL_VERSION . '</dfrn_version>' . "\r\n"
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. "\t" . '<rino>' . $rino . '</rino>' . "\r\n"
. "\t" . '<dfrn_id>' . $encrypted_id . '</dfrn_id>' . "\r\n"
. "\t" . '<challenge>' . $challenge . '</challenge>' . "\r\n"
. '</dfrn_notify>' . "\r\n" ;
killme();
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}
}