415 lines
12 KiB
PHP
415 lines
12 KiB
PHP
<?php
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// This is the POST destination for most all locally posted
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// text stuff. This function handles status, wall-to-wall status,
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// local comments, and remote coments - that are posted on this site
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// (as opposed to being delivered in a feed).
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// All of these become an "item" which is our basic unit of
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// information.
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function item_post(&$a) {
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if((! local_user()) && (! remote_user()))
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return;
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require_once('include/security.php');
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$uid = local_user();
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$parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
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$parent_item = null;
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if($parent) {
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$r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
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intval($parent)
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);
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if(! count($r)) {
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notice( t('Unable to locate original post.') . EOL);
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goaway($a->get_baseurl() . "/" . $_POST['return'] );
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}
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$parent_item = $r[0];
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}
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$profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
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if(! can_write_wall($a,$profile_uid)) {
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notice( t('Permission denied.') . EOL) ;
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return;
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}
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$user = null;
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$r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
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intval($profile_uid)
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);
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if(count($r))
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$user = $r[0];
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$str_group_allow = perms2str($_POST['group_allow']);
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$str_contact_allow = perms2str($_POST['contact_allow']);
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$str_group_deny = perms2str($_POST['group_deny']);
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$str_contact_deny = perms2str($_POST['contact_deny']);
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$title = notags(trim($_POST['title']));
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$body = escape_tags(trim($_POST['body']));
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$location = notags(trim($_POST['location']));
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$coord = notags(trim($_POST['coord']));
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$verb = notags(trim($_POST['verb']));
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if(! strlen($body)) {
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notice( t('Empty post discarded.') . EOL );
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goaway($a->get_baseurl() . "/" . $_POST['return'] );
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}
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// get contact info for poster
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$author = null;
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if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
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$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
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intval($_SESSION['uid'])
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);
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}
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else {
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if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
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$r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
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intval($_SESSION['visitor_id'])
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);
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}
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}
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if(count($r)) {
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$author = $r[0];
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$contact_id = $author['id'];
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}
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// get contact info for owner
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if($profile_uid == $_SESSION['uid']) {
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$contact_record = $author;
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}
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else {
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$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
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intval($profile_uid)
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);
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if(count($r))
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$contact_record = $r[0];
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}
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$post_type = notags(trim($_POST['type']));
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if($post_type === 'net-comment') {
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if($parent_item !== null) {
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if($parent_item['type'] === 'remote') {
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$post_type = 'remote-comment';
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}
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else {
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$post_type = 'wall-comment';
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}
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}
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}
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$str_tags = '';
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$inform = '';
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$tags = get_tags($body);
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if(count($tags)) {
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foreach($tags as $tag) {
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if(strpos($tag,'#') === 0) {
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$basetag = substr($tag,1);
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$body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . urlencode($basetag) . ']' . $basetag . '[/url]',$body);
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continue;
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}
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if(strpos($tag,'@') === 0) {
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$name = substr($tag,1);
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if((strpos($name,'@')) || (strpos($name,'http://'))) {
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$newname = $name;
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$links = @lrdd($name);
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if(count($links)) {
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foreach($links as $link) {
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if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
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$profile = $link['@attributes']['href'];
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if($link['@attributes']['rel'] === 'salmon') {
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if(strlen($inform))
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$inform .= ',';
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$inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
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}
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}
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}
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}
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else {
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$newname = $name;
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if(strstr($name,'_')) {
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$newname = str_replace('_',' ',$name);
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$r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($newname),
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intval($profile_uid)
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);
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}
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else {
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$r = q("SELECT * FROM `contact` WHERE `nick` = '%s' AND `uid` = %d LIMIT 1",
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dbesc($name),
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intval($profile_uid)
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);
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}
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if(count($r)) {
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$profile = $r[0]['url'];
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$newname = $r[0]['name'];
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if(strlen($inform))
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$inform .= ',';
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$inform .= 'cid:' . $r[0]['id'];
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}
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}
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if($profile) {
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$body = str_replace($name,'[url=' . $profile . ']' . $newname . '[/url]', $body);
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if(strlen($str_tags))
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$str_tags .= ',';
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$profile = str_replace(',','%2c',$profile);
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$str_tags .= '@[url=' . $profile . ']' . $newname . '[/url]';
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}
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}
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}
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}
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$wall = 0;
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if($post_type === 'wall' || $post_type === 'wall-comment')
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$wall = 1;
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if(! strlen($verb))
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$verb = ACTIVITY_POST ;
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$gravity = (($parent) ? 6 : 0 );
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$notify_type = (($parent) ? 'comment-new' : 'wall-new' );
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$uri = item_new_uri($a->get_hostname(),$profile_uid);
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$r = q("INSERT INTO `item` (`uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
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`author-name`, `author-link`, `author-avatar`, `created`, `edited`, `changed`, `uri`, `title`, `body`, `location`, `coord`,
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`tag`, `inform`, `verb`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`)
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VALUES( %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
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intval($profile_uid),
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dbesc($post_type),
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intval($wall),
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intval($gravity),
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intval($contact_id),
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dbesc($contact_record['name']),
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dbesc($contact_record['url']),
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dbesc($contact_record['thumb']),
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dbesc($author['name']),
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dbesc($author['url']),
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dbesc($author['thumb']),
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dbesc(datetime_convert()),
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dbesc(datetime_convert()),
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dbesc(datetime_convert()),
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dbesc($uri),
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dbesc($title),
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dbesc($body),
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dbesc($location),
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dbesc($coord),
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dbesc($str_tags),
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dbesc($inform),
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dbesc($verb),
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dbesc($str_contact_allow),
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dbesc($str_group_allow),
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dbesc($str_contact_deny),
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dbesc($str_group_deny)
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);
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$r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
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dbesc($uri));
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if(count($r)) {
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$post_id = $r[0]['id'];
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if($parent) {
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// This item is the last leaf and gets the comment box, clear any ancestors
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$r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
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dbesc(datetime_convert()),
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intval($parent)
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);
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// Inherit ACL's from the parent item.
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// TODO merge with subsequent UPDATE operation and save a db write
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$r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
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WHERE `id` = %d LIMIT 1",
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dbesc($parent_item['allow_cid']),
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dbesc($parent_item['allow_gid']),
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dbesc($parent_item['deny_cid']),
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dbesc($parent_item['deny_gid']),
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intval($post_id)
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);
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// Send a notification email to the conversation owner, unless the owner is me and I wrote this item
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if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
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require_once('bbcode.php');
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$from = $author['name'];
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$tpl = load_view_file('view/cmnt_received_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' => $user['username'],
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'$email' => $user['email'],
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'$from' => $from,
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'$display' => $a->get_baseurl() . '/display/' . $post_id,
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'$body' => strip_tags(bbcode($body))
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));
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$res = mail($user['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
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$email_tpl,t("From: Administrator@") . $a->get_hostname() );
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}
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}
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else {
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$parent = $post_id;
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// let me know if somebody did a wall-to-wall post on my profile
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if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
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require_once('bbcode.php');
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$from = $author['name'];
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$tpl = load_view_file('view/wall_received_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' => $user['username'],
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'$email' => $user['email'],
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'$from' => $from,
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'$display' => $a->get_baseurl() . '/display/' . $post_id,
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'$body' => strip_tags(bbcode($body))
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));
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$res = mail($user['email'], $from . t(" posted on your profile wall at ") . $a->config['sitename'],
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$email_tpl,t("From: Administrator@") . $a->get_hostname() );
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}
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}
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$r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
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WHERE `id` = %d LIMIT 1",
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intval($parent),
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dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
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dbesc(datetime_convert()),
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intval($post_id)
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);
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// photo comments turn the corresponding item visible to the profile wall
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// This way we don't see every picture in your new photo album posted to your wall at once.
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// They will show up as people comment on them.
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if(! $parent_item['visible']) {
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$r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
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intval($parent_item['id'])
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);
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}
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}
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$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
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proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &",
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array(),$foo));
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goaway($a->get_baseurl() . "/" . $_POST['return'] );
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return; // NOTREACHED
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}
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function item_content(&$a) {
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if((! local_user()) && (! remote_user()))
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return;
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require_once('include/security.php');
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$uid = $_SESSION['uid'];
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if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
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// locate item to be deleted
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$r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
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intval($a->argv[2])
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);
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if(! count($r)) {
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notice( t('Item not found.') . EOL);
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goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
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}
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$item = $r[0];
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// check if logged in user is either the author or owner of this item
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if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
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// delete the item
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$r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
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dbesc(datetime_convert()),
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dbesc(datetime_convert()),
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intval($item['id'])
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);
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// If item is a link to a photo resource, nuke all the associated photos
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// (visitors will not have photo resources)
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// This only applies to photos uploaded from the photos page. Photos inserted into a post do not
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// generate a resource-id and therefore aren't intimately linked to the item.
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if(strlen($item['resource-id'])) {
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$q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
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dbesc($item['resource-id']),
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intval($item['uid'])
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);
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// ignore the result
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}
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// If it's the parent of a comment thread, kill all the kids
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if($item['uri'] == $item['parent-uri']) {
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$r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
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WHERE `parent-uri` = '%s' AND `uid` = %d ",
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dbesc(datetime_convert()),
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dbesc(datetime_convert()),
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dbesc($item['parent-uri']),
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intval($item['uid'])
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);
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// ignore the result
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}
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else {
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// ensure that last-child is set in case the comment that had it just got wiped.
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q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
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dbesc(datetime_convert()),
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dbesc($item['parent-uri']),
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intval($item['uid'])
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);
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// who is the last child now?
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$r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
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dbesc($item['parent-uri']),
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intval($item['uid'])
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);
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if(count($r)) {
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q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
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intval($r[0]['id'])
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);
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}
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}
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$drop_id = intval($item['id']);
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$php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
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// send the notification upstream/downstream as the case may be
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proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" &",
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array(), $foo));
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goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
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return; //NOTREACHED
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}
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else {
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notice( t('Permission denied.') . EOL);
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goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
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//NOTREACHED
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}
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}
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}
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