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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<?php
use Friendica\Core\Config;
use Friendica\Core\PConfig;
use Friendica\Database\DBM;
require_once 'include/follow.php';
function RemoveReply($subject) {
while (in_array(strtolower(substr($subject, 0, 3)), array("re:", "aw:"))) {
$subject = trim(substr($subject, 4));
}
return $subject;
}
function onepoll_run(&$argv, &$argc) {
global $a;
require_once 'include/datetime.php';
require_once 'include/items.php';
require_once 'include/Contact.php';
require_once 'include/email.php';
require_once 'include/socgraph.php';
require_once 'include/queue_fn.php';
logger('onepoll: start');
$manual_id = 0;
$generation = 0;
$hub_update = false;
$force = false;
$restart = false;
if (($argc > 1) && (intval($argv[1]))) {
$contact_id = intval($argv[1]);
}
if (($argc > 2) && ($argv[2] == "force")) {
$force = true;
}
if (!$contact_id) {
logger('onepoll: no contact');
return;
}
$d = datetime_convert();
// Only poll from those with suitable relationships,
// and which have a polling address and ignore Diaspora since
// we are unable to match those posts with a Diaspora GUID and prevent duplicates.
$contacts = q("SELECT `contact`.* FROM `contact`
WHERE (`rel` = %d OR `rel` = %d) AND `poll` != ''
AND NOT `network` IN ('%s', '%s')
AND `contact`.`id` = %d
AND `self` = 0 AND `contact`.`blocked` = 0 AND `contact`.`readonly` = 0
AND `contact`.`archive` = 0 LIMIT 1",
intval(CONTACT_IS_SHARING),
intval(CONTACT_IS_FRIEND),
dbesc(NETWORK_FACEBOOK),
dbesc(NETWORK_PUMPIO),
intval($contact_id)
);
if (!count($contacts)) {
logger('Contact not found or cannot be used.');
return;
}
$contact = $contacts[0];
$importer_uid = $contact['uid'];
// load current friends if possible.
if (($contact['poco'] != "") && ($contact['success_update'] > $contact['failure_update'])) {
$r = q("SELECT count(*) AS total FROM glink
WHERE `cid` = %d AND updated > UTC_TIMESTAMP() - INTERVAL 1 DAY",
intval($contact['id'])
);
if (DBM::is_result($r)) {
if (!$r[0]['total']) {
poco_load($contact['id'], $importer_uid, 0, $contact['poco']);
}
}
}
/// @TODO Check why we don't poll the Diaspora feed at the moment (some guid problem in the items?)
/// @TODO Check whether this is possible with Redmatrix
if ($contact["network"] == NETWORK_DIASPORA) {
if (poco_do_update($contact["created"], $contact["last-item"], $contact["failure_update"], $contact["success_update"])) {
$last_updated = poco_last_updated($contact["url"]);
$updated = datetime_convert();
if ($last_updated) {
$fields = array('last-item' => $last_updated, 'last-update' => $updated, 'success_update' => $updated);
dba::update('contact', $fields, array('id' => $contact['id']));
} else {
dba::update('contact', array('last-update' => $updated, 'failure_update' => $updated), array('id' => $contact['id']));
}
}
return;
}
$xml = false;
$t = $contact['last-update'];
if ($contact['subhub']) {
$poll_interval = Config::get('system', 'pushpoll_frequency');
$contact['priority'] = (($poll_interval !== false) ? intval($poll_interval) : 3);
$hub_update = false;
if (datetime_convert('UTC', 'UTC', 'now') > datetime_convert('UTC', 'UTC', $t . " + 1 day")) {
$hub_update = true;
}
} else {
$hub_update = false;
}
$last_update = (($contact['last-update'] <= NULL_DATE)
? datetime_convert('UTC', 'UTC', 'now - 7 days', ATOM_TIME)
: datetime_convert('UTC', 'UTC', $contact['last-update'], ATOM_TIME)
);
// Update the contact entry
if (($contact['network'] === NETWORK_OSTATUS) || ($contact['network'] === NETWORK_DIASPORA) || ($contact['network'] === NETWORK_DFRN)) {
if (!poco_reachable($contact['url'])) {
logger("Skipping probably dead contact ".$contact['url']);
return;
}
if (!update_contact($contact["id"])) {
mark_for_death($contact);
logger('Contact is marked dead');
return;
} else {
unmark_for_death($contact);
}
}
if ($importer_uid == 0) {
logger('Ignore public contacts');
return;
}
$r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` INNER JOIN `user` on `contact`.`uid` = `user`.`uid` WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
intval($importer_uid)
);
if (!DBM::is_result($r)) {
logger('No self contact for user '.$importer_uid);
return;
}
$importer = $r[0];
logger("onepoll: poll: ({$contact['id']}) IMPORTER: {$importer['name']}, CONTACT: {$contact['name']}");
if ($contact['network'] === NETWORK_DFRN) {
$idtosend = $orig_id = (($contact['dfrn-id']) ? $contact['dfrn-id'] : $contact['issued-id']);
if (intval($contact['duplex']) && $contact['dfrn-id']) {
$idtosend = '0:' . $orig_id;
}
if (intval($contact['duplex']) && $contact['issued-id']) {
$idtosend = '1:' . $orig_id;
}
// they have permission to write to us. We already filtered this in the contact query.
$perm = 'rw';
// But this may be our first communication, so set the writable flag if it isn't set already.
if (!intval($contact['writable'])) {
$fields = array('writable' => true);
dba::update('contact', $fields, array('id' => $contact['id']));
}
$url = $contact['poll'] . '?dfrn_id=' . $idtosend
. '&dfrn_version=' . DFRN_PROTOCOL_VERSION
. '&type=data&last_update=' . $last_update
. '&perm=' . $perm ;
$ret = z_fetch_url($url);
if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
return;
}
$handshake_xml = $ret['body'];
$html_code = $a->get_curl_code();
logger('onepoll: handshake with url ' . $url . ' returns xml: ' . $handshake_xml, LOGGER_DATA);
if (!strlen($handshake_xml) || ($html_code >= 400) || !$html_code) {
logger("poller: $url appears to be dead - marking for death ");
// dead connection - might be a transient event, or this might
// mean the software was uninstalled or the domain expired.
// Will keep trying for one month.
mark_for_death($contact);
// set the last-update so we don't keep polling
$fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
dba::update('contact', $fields, array('id' => $contact['id']));
return;
}
if (! strstr($handshake_xml, '<')) {
logger('poller: response from ' . $url . ' did not contain XML.');
mark_for_death($contact);
$fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
dba::update('contact', $fields, array('id' => $contact['id']));
return;
}
$res = parse_xml_string($handshake_xml);
if (intval($res->status) == 1) {
logger("poller: $url replied status 1 - marking for death ");
// we may not be friends anymore. Will keep trying for one month.
// set the last-update so we don't keep polling
$fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
dba::update('contact', $fields, array('id' => $contact['id']));
mark_for_death($contact);
} elseif ($contact['term-date'] > NULL_DATE) {
logger("poller: $url back from the dead - removing mark for death");
unmark_for_death($contact);
}
if ((intval($res->status) != 0) || !strlen($res->challenge) || !strlen($res->dfrn_id)) {
return;
}
if (((float)$res->dfrn_version > 2.21) && ($contact['poco'] == '')) {
$fields = array('poco' => str_replace('/profile/', '/poco/', $contact['url']));
dba::update('contact', $fields, array('id' => $contact['id']));
}
$postvars = array();
$sent_dfrn_id = hex2bin((string) $res->dfrn_id);
$challenge = hex2bin((string) $res->challenge);
$final_dfrn_id = '';
if ($contact['duplex'] && strlen($contact['prvkey'])) {
openssl_private_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['prvkey']);
openssl_private_decrypt($challenge, $postvars['challenge'], $contact['prvkey']);
} else {
openssl_public_decrypt($sent_dfrn_id, $final_dfrn_id, $contact['pubkey']);
openssl_public_decrypt($challenge, $postvars['challenge'], $contact['pubkey']);
}
$final_dfrn_id = substr($final_dfrn_id, 0, strpos($final_dfrn_id, '.'));
if (strpos($final_dfrn_id, ':') == 1) {
$final_dfrn_id = substr($final_dfrn_id, 2);
}
if ($final_dfrn_id != $orig_id) {
logger('poller: ID did not decode: ' . $contact['id'] . ' orig: ' . $orig_id . ' final: ' . $final_dfrn_id);
// did not decode properly - cannot trust this site
return;
}
$postvars['dfrn_id'] = $idtosend;
$postvars['dfrn_version'] = DFRN_PROTOCOL_VERSION;
$postvars['perm'] = 'rw';
$xml = post_url($contact['poll'], $postvars);
} elseif (($contact['network'] === NETWORK_OSTATUS)
|| ($contact['network'] === NETWORK_DIASPORA)
|| ($contact['network'] === NETWORK_FEED)) {
// Upgrading DB fields from an older Friendica version
// Will only do this once per notify-enabled OStatus contact
// or if relationship changes
$stat_writeable = ((($contact['notify']) && ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['rel'] == CONTACT_IS_FRIEND)) ? 1 : 0);
// Contacts from OStatus are always writable
if ($contact['network'] === NETWORK_OSTATUS) {
$stat_writeable = 1;
}
if ($stat_writeable != $contact['writable']) {
$fields = array('writable' => $stat_writeable);
dba::update('contact', $fields, array('id' => $contact['id']));
}
// Are we allowed to import from this person?
if ($contact['rel'] == CONTACT_IS_FOLLOWER || $contact['blocked'] || $contact['readonly']) {
return;
}
$cookiejar = tempnam(get_temppath(), 'cookiejar-onepoll-');
$ret = z_fetch_url($contact['poll'], false, $redirects, array('cookiejar' => $cookiejar));
if ($ret['errno'] == CURLE_OPERATION_TIMEDOUT) {
return;
}
$xml = $ret['body'];
unlink($cookiejar);
} elseif ($contact['network'] === NETWORK_MAIL || $contact['network'] === NETWORK_MAIL2) {
logger("Mail: Fetching for ".$contact['addr'], LOGGER_DEBUG);
$mail_disabled = ((function_exists('imap_open') && (! Config::get('system', 'imap_disabled'))) ? 0 : 1);
if ($mail_disabled) {
return;
}
logger("Mail: Enabled", LOGGER_DEBUG);
$mbox = null;
$x = dba::select('user', array('prvkey'), array('uid' => $importer_uid), array('limit' => 1));
$condition = array("`server` != '' AND `uid` = ?", $importer_uid);
$mailconf = dba::select('mailacct', array(), $condition, array('limit' => 1));
if (DBM::is_result($x) && DBM::is_result($mailconf)) {
$mailbox = construct_mailbox_name($mailconf);
$password = '';
openssl_private_decrypt(hex2bin($mailconf['pass']), $password, $x['prvkey']);
$mbox = email_connect($mailbox, $mailconf['user'], $password);
unset($password);
logger("Mail: Connect to " . $mailconf['user']);
if ($mbox) {
$fields = array('last_check' => datetime_convert());
dba::update('mailacct', $fields, array('id' => $mailconf['id']));
logger("Mail: Connected to " . $mailconf['user']);
} else {
logger("Mail: Connection error ".$mailconf['user']." ".print_r(imap_errors(), true));
}
}
if ($mbox) {
$msgs = email_poll($mbox, $contact['addr']);
if (count($msgs)) {
logger("Mail: Parsing ".count($msgs)." mails from ".$contact['addr']." for ".$mailconf['user'], LOGGER_DEBUG);
$metas = email_msg_meta($mbox,implode(',', $msgs));
if (count($metas) != count($msgs)) {
logger("onepoll: for " . $mailconf['user'] . " there are ". count($msgs) . " messages but received " . count($metas) . " metas", LOGGER_DEBUG);
} else {
$msgs = array_combine($msgs, $metas);
foreach ($msgs as $msg_uid => $meta) {
logger("Mail: Parsing mail ".$msg_uid, LOGGER_DATA);
$datarray = array();
$datarray['verb'] = ACTIVITY_POST;
$datarray['object-type'] = ACTIVITY_OBJ_NOTE;
// $meta = email_msg_meta($mbox, $msg_uid);
// $headers = email_msg_headers($mbox, $msg_uid);
$datarray['uri'] = msgid2iri(trim($meta->message_id, '<>'));
// Have we seen it before?
$fields = array('deleted', 'id');
$condition = array('uid' => $importer_uid, 'uri' => $datarray['uri']);
$r = dba::select('item', $fields, $condition, array('limit' => 1));
if (DBM::is_result($r)) {
logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user']." UID: ".$importer_uid." URI: ".$datarray['uri'],LOGGER_DEBUG);
// Only delete when mails aren't automatically moved or deleted
if (($mailconf['action'] != 1) && ($mailconf['action'] != 3))
if ($meta->deleted && ! $r['deleted']) {
$fields = array('deleted' => true, 'changed' => datetime_convert());
dba::update('item', $fields, array('id' => $r['id']));
}
switch ($mailconf['action']) {
case 0:
logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
break;
case 1:
logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
imap_delete($mbox, $msg_uid, FT_UID);
break;
case 2:
logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
break;
case 3:
logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
if ($mailconf['movetofolder'] != "") {
imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
}
break;
}
continue;
}
// look for a 'references' or an 'in-reply-to' header and try to match with a parent item we have locally.
$raw_refs = ((property_exists($meta, 'references')) ? str_replace("\t", '', $meta->references) : '');
if (! trim($raw_refs)) {
$raw_refs = ((property_exists($meta, 'in_reply_to')) ? str_replace("\t", '', $meta->in_reply_to) : '');
}
$raw_refs = trim($raw_refs); // Don't allow a blank reference in $refs_arr
if ($raw_refs) {
$refs_arr = explode(' ', $raw_refs);
if (count($refs_arr)) {
for ($x = 0; $x < count($refs_arr); $x ++) {
$refs_arr[$x] = "'" . msgid2iri(str_replace(array('<', '>', ' '),array('', '', ''),dbesc($refs_arr[$x]))) . "'";
}
}
$qstr = implode(',', $refs_arr);
$r = q("SELECT `parent-uri` FROM `item` USE INDEX (`uid_uri`) WHERE `uri` IN ($qstr) AND `uid` = %d LIMIT 1",
intval($importer_uid)
);
if (DBM::is_result($r)) {
$datarray['parent-uri'] = $r[0]['parent-uri']; // Set the parent as the top-level item
}
}
// Decoding the header
$subject = imap_mime_header_decode($meta->subject);
$datarray['title'] = "";
foreach ($subject as $subpart) {
if ($subpart->charset != "default") {
$datarray['title'] .= iconv($subpart->charset, 'UTF-8//IGNORE', $subpart->text);
} else {
$datarray['title'] .= $subpart->text;
}
}
$datarray['title'] = notags(trim($datarray['title']));
//$datarray['title'] = notags(trim($meta->subject));
$datarray['created'] = datetime_convert('UTC', 'UTC', $meta->date);
// Is it a reply?
$reply = ((substr(strtolower($datarray['title']), 0, 3) == "re:") ||
(substr(strtolower($datarray['title']), 0, 3) == "re-") ||
($raw_refs != ""));
// Remove Reply-signs in the subject
$datarray['title'] = RemoveReply($datarray['title']);
// If it seems to be a reply but a header couldn't be found take the last message with matching subject
if (empty($datarray['parent-uri']) && $reply) {
$r = q("SELECT `parent-uri` FROM `item` WHERE `title` = \"%s\" AND `uid` = %d AND `network` = '%s' ORDER BY `created` DESC LIMIT 1",
dbesc(protect_sprintf($datarray['title'])),
intval($importer_uid),
dbesc(NETWORK_MAIL));
if (DBM::is_result($r)) {
$datarray['parent-uri'] = $r[0]['parent-uri'];
}
}
if (empty($datarray['parent-uri'])) {
$datarray['parent-uri'] = $datarray['uri'];
}
$r = email_get_msg($mbox, $msg_uid, $reply);
if (!$r) {
logger("Mail: can't fetch msg ".$msg_uid." for ".$mailconf['user']);
continue;
}
$datarray['body'] = escape_tags($r['body']);
$datarray['body'] = limit_body_size($datarray['body']);
logger("Mail: Importing ".$msg_uid." for ".$mailconf['user']);
/// @TODO Adding a gravatar for the original author would be cool
$from = imap_mime_header_decode($meta->from);
$fromdecoded = "";
foreach ($from as $frompart) {
if ($frompart->charset != "default") {
$fromdecoded .= iconv($frompart->charset, 'UTF-8//IGNORE', $frompart->text);
} else {
$fromdecoded .= $frompart->text;
}
}
$fromarr = imap_rfc822_parse_adrlist($fromdecoded, $a->get_hostname());
$frommail = $fromarr[0]->mailbox."@".$fromarr[0]->host;
if (isset($fromarr[0]->personal)) {
$fromname = $fromarr[0]->personal;
} else {
$fromname = $frommail;
}
$datarray['author-name'] = $fromname;
$datarray['author-link'] = "mailto:".$frommail;
$datarray['author-avatar'] = $contact['photo'];
$datarray['owner-name'] = $contact['name'];
$datarray['owner-link'] = "mailto:".$contact['addr'];
$datarray['owner-avatar'] = $contact['photo'];
$datarray['uid'] = $importer_uid;
$datarray['contact-id'] = $contact['id'];
if ($datarray['parent-uri'] === $datarray['uri']) {
$datarray['private'] = 1;
}
if (($contact['network'] === NETWORK_MAIL) && (!PConfig::get($importer_uid, 'system', 'allow_public_email_replies'))) {
$datarray['private'] = 1;
$datarray['allow_cid'] = '<' . $contact['id'] . '>';
}
$stored_item = item_store($datarray);
$condition = array('parent-uri' => $datarray['parent-uri'], 'uid' => $importer_uid);
dba::update('item', array('last-child' => false), $condition);
dba::update('item', array('last-child' => true), array('id' => $stored_item));
switch ($mailconf['action']) {
case 0:
logger("Mail: Seen before ".$msg_uid." for ".$mailconf['user'].". Doing nothing.", LOGGER_DEBUG);
break;
case 1:
logger("Mail: Deleting ".$msg_uid." for ".$mailconf['user']);
imap_delete($mbox, $msg_uid, FT_UID);
break;
case 2:
logger("Mail: Mark as seen ".$msg_uid." for ".$mailconf['user']);
imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
break;
case 3:
logger("Mail: Moving ".$msg_uid." to ".$mailconf['movetofolder']." for ".$mailconf['user']);
imap_setflag_full($mbox, $msg_uid, "\\Seen", ST_UID);
if ($mailconf['movetofolder'] != "") {
imap_mail_move($mbox, $msg_uid, $mailconf['movetofolder'], FT_UID);
}
break;
}
}
}
} else {
logger("Mail: no mails for ".$mailconf['user']);
}
logger("Mail: closing connection for ".$mailconf['user']);
imap_close($mbox);
}
}
if ($xml) {
logger('poller: received xml : ' . $xml, LOGGER_DATA);
if (!strstr($xml, '<')) {
logger('poller: post_handshake: response from ' . $url . ' did not contain XML.');
$fields = array('last-update' => datetime_convert(), 'failure_update' => datetime_convert());
dba::update('contact', $fields, array('id' => $contact['id']));
return;
}
logger("Consume feed of contact ".$contact['id']);
consume_feed($xml, $importer, $contact, $hub, 1, 1);
// do it twice. Ensures that children of parents which may be later in the stream aren't tossed
consume_feed($xml, $importer, $contact, $hub, 1, 2);
$hubmode = 'subscribe';
if ($contact['network'] === NETWORK_DFRN || $contact['blocked'] || $contact['readonly']) {
$hubmode = 'unsubscribe';
}
if (($contact['network'] === NETWORK_OSTATUS || $contact['network'] == NETWORK_FEED) && (! $contact['hub-verify'])) {
$hub_update = true;
}
if ($force) {
$hub_update = true;
}
logger("Contact ".$contact['id']." returned hub: ".$hub." Network: ".$contact['network']." Relation: ".$contact['rel']." Update: ".$hub_update);
if (strlen($hub) && $hub_update && (($contact['rel'] != CONTACT_IS_FOLLOWER) || $contact['network'] == NETWORK_FEED)) {
logger('poller: hub ' . $hubmode . ' : ' . $hub . ' contact name : ' . $contact['name'] . ' local user : ' . $importer['name']);
$hubs = explode(',', $hub);
if (count($hubs)) {
foreach ($hubs as $h) {
$h = trim($h);
if (!strlen($h)) {
continue;
}
subscribe_to_hub($h, $importer, $contact, $hubmode);
}
}
}
$updated = datetime_convert();
dba::update('contact', array('last-update' => $updated, 'success_update' => $updated), array('id' => $contact['id']));
dba::update('gcontact', array('last_contact' => $updated), array('nurl' => $contact['nurl']));
} elseif (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, NETWORK_FEED))) {
$updated = datetime_convert();
dba::update('contact', array('last-update' => $updated, 'failure_update' => $updated), array('id' => $contact['id']));
dba::update('gcontact', array('last_failure' => $updated), array('nurl' => $contact['nurl']));
} else {
dba::update('contact', array('last-update' => $updated), array('id' => $contact['id']));
}
return;
}