524 lines
22 KiB
PHP
524 lines
22 KiB
PHP
<?php
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/**
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* Write comments to the database, also deals with hiding and flagging comments
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*
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* @return void
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*/
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function comments_submit()
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{
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global $username, $anonymous_login, $userref, $regex_email, $comments_max_characters, $lang, $email_notify, $comments_email_notification_address;
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if (
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$username == $anonymous_login
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&& (getval("fullname", "") == ""
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|| preg_match("/{$regex_email}/", getval("email", "")) === false)
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) {
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return;
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}
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$comment_to_hide = getval("comment_to_hide", 0, true);
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if (($comment_to_hide != 0) && (checkPerm("o"))) {
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$root = find_root_comment($comment_to_hide);
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// Does this comment have any child comments?
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if (ps_value("SELECT ref AS value FROM comment WHERE ref_parent = ?", array("i",$comment_to_hide), '') != '') {
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ps_query("UPDATE comment SET hide = 1 WHERE ref = ?", array("i",$comment_to_hide));
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} else {
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ps_query("DELETE FROM comment WHERE ref = ?", array("i",$comment_to_hide));
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}
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if (!is_null($root)) {
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clean_comment_tree($root);
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}
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return;
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}
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$comment_flag_ref = getval("comment_flag_ref", 0, true);
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// --- process flag request
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if ($comment_flag_ref != 0) {
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$comment_flag_reason = getval("comment_flag_reason", "");
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$comment_flag_url = getval("comment_flag_url", "");
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if ($comment_flag_reason == "" || $comment_flag_url == "") {
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return;
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}
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# the following line can be simplified using strstr (with before_needle boolean) but not supported < PHP 5.3.0
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if (!strpos($comment_flag_url, "#") === false) {
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$comment_flag_url = substr($comment_flag_url, 0, strpos($comment_flag_url, "#") - 1);
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}
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$comment_flag_url .= "#comment{$comment_flag_ref}"; // add comment anchor to end of URL
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$comment_body = ps_query("select body from comment where ref=?", array("i",$comment_flag_ref));
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$comment_body = (!empty($comment_body[0]['body'])) ? $comment_body[0]['body'] : "";
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if ($comment_body == "") {
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return;
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}
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$email_subject = (text("comments_flag_notification_email_subject") != "") ?
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text("comments_flag_notification_email_subject") : $lang['comments_flag-email-default-subject'];
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$email_body = (text("comments_flag_notification_email_body") != "") ?
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text("comments_flag_notification_email_body") : $lang['comments_flag-email-default-body'];
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$email_body .= "\r\n\r\n\"{$comment_body}\"";
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$email_body .= "\r\n\r\n{$comment_flag_url}";
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$email_body .= "\r\n\r\n{$lang['comments_flag-email-flagged-by']} {$username}";
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$email_body .= "\r\n\r\n{$lang['comments_flag-email-flagged-reason']} \"{$comment_flag_reason}\"";
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$email_to = (
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empty($comments_email_notification_address)
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// (preg_match ("/{$regex_email}/", $comments_email_notification_address) === false) // TODO: make this regex better
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) ? $email_notify : $comments_email_notification_address;
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rs_setcookie("comment{$comment_flag_ref}flagged", "true");
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$_POST["comment{$comment_flag_ref}flagged"] = "true"; // we set this so that the subsequent getval() function will pick up this comment flagged in the show comments function (headers have already been sent before cookie set)
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send_mail($email_to, $email_subject, $email_body);
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return;
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}
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// --- process comment submission
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// we don't want to insert an empty comment or an orphan
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if (
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(getval("body", "") == "")
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|| (
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(getval("collection_ref", "") == "")
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&& (getval("resource_ref", "") == "")
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&& (getval("ref_parent", "") == "")
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)
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) {
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return;
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}
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if ($username == $anonymous_login) { // anonymous user
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$sql_fields = "fullname, email, website_url";
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$sql_values = array(
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"s", getval("fullname", "") ,
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"s", getval("email", ""),
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"s", getval("website_url", "")
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);
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} else {
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$sql_fields = "user_ref";
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$sql_values = array("i", (int)$userref);
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}
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$body = getval("body", "");
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if (strlen($body) > $comments_max_characters) {
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$body = substr($body, 0, $comments_max_characters); // just in case not caught in submit form
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}
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$parent_ref = getval("ref_parent", 0, true);
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$collection_ref = getval("collection_ref", 0, true);
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$resource_ref = getval("resource_ref", 0, true);
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$sql_values_prepend = array(
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"i", ($parent_ref == 0 ? null : (int)$parent_ref),
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"i", ($collection_ref == 0 ? null : (int)$collection_ref),
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"i", ($resource_ref == 0 ? null : (int)$resource_ref)
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);
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$sql_values = array_merge($sql_values_prepend, $sql_values, array("s",$body));
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ps_query("insert into comment (ref_parent, collection_ref, resource_ref, {$sql_fields}, body) values (" . ps_param_insert(count($sql_values) / 2) . ")", $sql_values);
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// Notify anyone tagged.
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comments_notify_tagged($body, $userref, $resource_ref, $collection_ref);
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}
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/**
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* Check all comments that are children of the comment ref provided. If there is a branch made up entirely of hidden comments then remove the branch.
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*
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* @param int $ref Ref of the comment that is being deleted.
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*
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* @return int Number of child comments that are not hidden.
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*/
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function clean_comment_tree($ref)
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{
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$all_comments = ps_query("SELECT " . columns_in("comment") . " FROM comment WHERE ref_parent = ?", ['i', $ref]);
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$remaining = 0;
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if (count($all_comments) > 0) {
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foreach ($all_comments as $comment) {
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$remaining += clean_comment_tree($comment['ref']);
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if ($remaining == 0 && $comment['hide'] == 1) {
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ps_query("DELETE FROM comment WHERE ref = ?", ['i', $comment['ref']]);
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}
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}
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}
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$remaining += ps_value("SELECT count(*) as `value` FROM comment WHERE ref_parent = ? and hide = 0", ['i', $ref], 0);
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if ($remaining == 0) {
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ps_query("DELETE FROM comment WHERE hide = 1 and ref = ?", ['i', $ref]);
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}
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return $remaining;
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}
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/**
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* Find the root of a comment tree that the ref provided is a part of
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*
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* @param int $ref ref of a comment
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*
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* @return int|null ref of the root comment or null if the comment tree has been completely removed / the comment being checked has already been deleted.
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*/
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function find_root_comment($ref)
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{
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$comment = ps_query('SELECT ref, ref_parent FROM comment WHERE ref = ?', ['i', $ref]);
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if (is_array($comment) && !empty($comment)) {
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$comment = $comment[0];
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if (!empty($comment['ref_parent'])) {
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return find_root_comment($comment['ref_parent']);
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}
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return $comment['ref'];
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}
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return null;
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}
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/**
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* Parse a comment and replace and add links to any user, resource and collection tags
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*
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* @param string $text The input text e.g. the body of the comment
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*
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*/
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function comments_tags_to_links($text): string
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{
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global $baseurl_short;
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$text = preg_replace('/@(\S+)/s', '<a href="[BASEURLSHORT]pages/user/user_profile.php?username=$1">@$1</a>', $text);
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$text = preg_replace('/r([0-9]{1,})/si', '<a href="[BASEURLSHORT]?r=$1">r$1</a>', $text); # r12345 to resource link
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$text = preg_replace('/c([0-9]{1,})/si', '<a href="[BASEURLSHORT]?c=$1">c$1</a>', $text); # c12345 to collection link
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$text = str_replace("[BASEURLSHORT]", $baseurl_short, $text); // Replacing this earlier can cause issues
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return $text;
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}
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/**
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* Display all comments for a resource or collection
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*
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* @param integer $ref The reference of the resource, collection or the comment (if called from itself recursively)
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* @param boolean $bcollection_mode false == show comments for resources, true == show comments for collection
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* @param boolean $bRecursive Recursively show comments, defaults to true, will be set to false if depth limit reached
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* @param integer $level Used for recursion for display indentation etc.
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*
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* @return void
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*/
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function comments_show($ref, $bcollection_mode = false, $bRecursive = true, $level = 1)
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{
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if (!is_numeric($ref)) {
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return false;
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}
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global $baseurl_short, $username, $anonymous_login, $lang, $comments_max_characters, $comments_flat_view, $regex_email, $comments_show_anonymous_email_address;
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$anonymous_mode = (empty($username) || $username == $anonymous_login); // show extra fields if commenting anonymously
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if ($comments_flat_view) {
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$bRecursive = false;
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}
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$bRecursive = $bRecursive && ($level < $GLOBALS['comments_responses_max_level']);
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// set 'name' to either user.fullname, comment.fullname or default 'Anonymous'
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$sql = "select c.ref thisref, c.ref_parent, c.hide, c.created, c.body, c.website_url, c.email, u.username, u.ref, u.profile_image, parent.created 'responseToDateTime', " .
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"IFNULL(IFNULL(c.fullname, u.fullname), ?) 'name' ," .
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"IFNULL(IFNULL(parent.fullname, uparent.fullname), ?) 'responseToName' " .
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"from comment c left join (user u) on (c.user_ref = u.ref) left join (comment parent) on (c.ref_parent = parent.ref) left join (user uparent) on (parent.user_ref = uparent.ref) ";
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$sql_values = [
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's', $lang['comments_anonymous-user'],
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's', $lang['comments_anonymous-user'],
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];
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$collection_ref = ($bcollection_mode) ? $ref : "";
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$resource_ref = ($bcollection_mode) ? "" : $ref;
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$collection_mode = $bcollection_mode ? "collection_mode=true" : "";
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if ($level == 1) {
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// pass this JS function the "this" from the submit button in a form to post it via AJAX call, then refresh the "comments_container"
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echo<<<EOT
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<script src="{$baseurl_short}js/tagging.js"></script>
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<script type="text/javascript">
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var regexEmail = new RegExp ("{$regex_email}");
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function validateAnonymousComment(obj) {
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return (
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regexEmail.test (String(obj.email.value).trim()) &&
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String(obj.fullname.value).trim() != "" &&
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validateComment(obj)
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)
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}
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function validateComment(obj) {
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return (String(obj.body.value).trim() != "");
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}
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function validateAnonymousFlag(obj) {
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return (
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regexEmail.test (String(obj.email.value).trim()) &&
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String(obj.fullname.value).trim() != "" &&
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validateFlag(obj)
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)
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}
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function validateFlag(obj) {
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return (String(obj.comment_flag_reason.value).trim() != "");
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}
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function submitForm(obj) {
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jQuery.post(
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'{$baseurl_short}pages/ajax/comments_handler.php?ref={$ref}&collection_mode={$collection_mode}',
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jQuery(obj).serialize(),
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function(data)
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{
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jQuery('#comments_container').replaceWith(data);
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}
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);
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}
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</script>
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<div id="comments_container">
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<div id="comment_form" class="comment_form_container">
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<form class="comment_form" action="javascript:void(0);" method="">
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EOT;
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generateFormToken("comment_form");
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hook("beforecommentbody");
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$api_native_csrf_gu = generate_csrf_data_for_api_native_authmode('get_users');
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echo <<<EOT
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<input id="comment_form_collection_ref" type="hidden" name="collection_ref" value="{$collection_ref}"></input>
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<input id="comment_form_resource_ref" type="hidden" name="resource_ref" value="{$resource_ref}"></input>
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<textarea class="CommentFormBody" id="comment_form_body" name="body" maxlength="{$comments_max_characters}" placeholder="{$lang['comments_body-placeholder']}" onkeyup="TaggingProcess(this)" {$api_native_csrf_gu}></textarea>
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EOT;
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if ($anonymous_mode) {
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echo <<<EOT
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<br />
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<input class="CommentFormFullname" id="comment_form_fullname" type="text" name="fullname" placeholder="{$lang['comments_fullname-placeholder']}"></input>
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<input class="CommentFormEmail" id="comment_form_email" type="text" name="email" placeholder="{$lang['comments_email-placeholder']}"></input>
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<input class="CommentFormWebsiteURL" id="comment_form_website_url" type="text" name="website_url" placeholder="{$lang['comments_website-url-placeholder']}"></input>
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EOT;
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}
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$validateFunction = $anonymous_mode ? "if (validateAnonymousComment(this.parentNode))" : "if (validateComment(this.parentNode))";
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echo<<<EOT
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<br />
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<input class="CommentFormSubmit" type="submit" value="{$lang['comments_submit-button-label']}" onClick="{$validateFunction} { submitForm(this.parentNode) } else { alert ('{$lang['comments_validation-fields-failed']}'); } ;"></input>
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</form>
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</div> <!-- end of comment_form -->
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EOT;
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$sql .= $bcollection_mode ? "where c.collection_ref=?" : "where c.resource_ref=?"; // first level will look for either collection or resource comments
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$sql_values = array_merge($sql_values, array("i",$ref));
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if (!$comments_flat_view) {
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$sql .= " and c.ref_parent is NULL";
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}
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} else {
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$sql .= "where c.ref_parent=?"; // look for child comments, regardless of what type of comment
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$sql_values = array_merge($sql_values, array("i",$ref));
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}
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$sql .= " order by c.created desc";
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$found_comments = ps_query($sql, $sql_values);
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foreach ($found_comments as $comment) {
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$thisRef = $comment['thisref'];
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echo "<div class='CommentEntry' id='comment{$thisRef}' style='margin-left: " . ($level - 1) * 50 . "px;'>"; // indent for levels - this will always be zero if config $comments_flat_view=true
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# ----- Information line
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hook("beforecommentinfo", "all", array("ref" => $comment["ref"]));
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echo "<div class='CommentEntryInfoContainer'>";
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echo "<div class='CommentEntryInfo'>";
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if ($comment['profile_image'] != "" && $anonymous_mode != true) {
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echo "<div><img src='" . get_profile_image("", $comment['profile_image']) . "' id='CommentProfileImage'></div>";
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}
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echo "<div class='CommentEntryInfoCommenter'>";
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if (empty($comment['name'])) {
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$comment['name'] = $comment['username'];
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}
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if ($anonymous_mode) {
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echo "<div class='CommentEntryInfoCommenterName'>" . escape($comment['name']) . "</div>";
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} else {
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echo "<a href='" . $baseurl_short . "pages/user/user_profile.php?username=" . escape((string)$comment['username']) . "'><div class='CommentEntryInfoCommenterName'>" . escape($comment['name']) . "</div></a>";
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}
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if ($comments_show_anonymous_email_address && !empty($comment['email'])) {
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echo "<div class='CommentEntryInfoCommenterEmail'>" . escape($comment['email']) . "</div>";
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}
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if (!empty($comment['website_url'])) {
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echo "<div class='CommentEntryInfoCommenterWebsite'>" . escape($comment['website_url']) . "</div>";
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}
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echo "</div>";
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echo "<div class='CommentEntryInfoDetails'>" . date("D", strtotime($comment["created"])) . " " . nicedate($comment["created"], true, true, true) . " ";
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echo "</div>"; // end of CommentEntryInfoDetails
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echo "</div>"; // end of CommentEntryInfoLine
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echo "</div>"; // end CommentEntryInfoContainer
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echo "<div class='CommentBody'>";
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if ($comment['hide']) {
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if (text("comments_removal_message") != "") {
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echo text("comments_removal_message");
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} else {
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echo "[" . escape($lang["deleted"]) . "]";
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}
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} else {
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echo comments_tags_to_links(escape($comment['body']));
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}
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echo "</div>";
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# ----- Form area
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$validateFunction = $anonymous_mode ? "if (validateAnonymousFlag(this.parentNode))" : "if (validateFlag(this.parentNode))";
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if (!getval("comment{$thisRef}flagged", "")) {
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echo<<<EOT
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<div id="CommentFlagContainer{$thisRef}" style="display: none;">
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<form class="comment_form" action="javascript:void(0);" method="">
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<input type="hidden" name="comment_flag_ref" value="{$thisRef}"></input>
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<input type="hidden" name="comment_flag_url" value=""></input>
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EOT;
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hook("beforecommentflagreason");
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generateFormToken("comment_form");
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echo <<<EOT
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<textarea class="CommentFlagReason" maxlength="{$comments_max_characters}" name="comment_flag_reason" placeholder="{$lang['comments_flag-reason-placeholder']}"></textarea><br />
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EOT;
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if ($anonymous_mode) { ?>
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<input class="CommentFlagFullname"
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id="comment_flag_fullname"
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type="text"
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name="fullname"
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placeholder="<?php echo escape($lang['comments_fullname-placeholder']); ?>">
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</input>
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<input class="CommentFlagEmail"
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id="comment_flag_email"
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type="text"
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name="email"
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placeholder="<?php echo escape($lang['comments_email-placeholder']); ?>">
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</input>
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<br />
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<?php }
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echo<<<EOT
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<input class="CommentFlagSubmit" type="submit" value="{$lang['comments_submit-button-label']}" onClick="comment_flag_url.value=document.URL; {$validateFunction} { submitForm(this.parentNode); } else { alert ('{$lang['comments_validation-fields-failed']}') }"></input>
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</form>
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</div>
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EOT;
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}
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if (!$comment['hide']) {
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$respond_button_id = "comment_respond_button_" . $thisRef;
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$respond_div_id = "comment_respond_" . $thisRef;
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echo "<div id='{$respond_button_id}' class='CommentRespond'>"; // start respond div
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echo "<a href='javascript:void(0)' onClick='
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jQuery(\"#comment_form\").clone().attr(\"id\",\"{$respond_div_id}\").css(\"margin-left\",\"" . ($level * 50) . 'px")' . ".insertAfter(\"#comment$thisRef\");
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jQuery(\"<input>\").attr({type: \"hidden\", name: \"ref_parent\", value: \"$thisRef\"}).appendTo(\"#{$respond_div_id} .comment_form\");
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jQuery(\"#{$respond_button_id} a\").removeAttr(\"onclick\");
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'>" . '<i aria-hidden="true" class="fa fa-reply"></i> ' . $lang['comments_respond-to-this-comment'] . "</a>";
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echo "</div>"; // end respond
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echo "<div class='CommentEntryInfoFlag'>";
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|
if (getval("comment{$thisRef}flagged", "")) {
|
|
echo '<div class="CommentFlagged"><i aria-hidden="true" class="fa fa-fw fa-flag"> </i>'
|
|
. escape($lang['comments_flag-has-been-flagged'])
|
|
. '</div>';
|
|
} else {
|
|
echo<<<EOT
|
|
<div class="CommentFlag">
|
|
<a href="javascript:void(0)" onclick="jQuery('#CommentFlagContainer{$thisRef}').toggle('fast');" ><i aria-hidden="true" class="fa fa-fw fa-flag"> </i>{$lang['comments_flag-this-comment']}</a>
|
|
</div>
|
|
EOT;
|
|
}
|
|
|
|
if (checkPerm("o")) {
|
|
?>
|
|
<form class="comment_removal_form">
|
|
<?php generateFormToken("comment_removal_form"); ?>
|
|
<input type="hidden" name="comment_to_hide" value="<?php echo escape($thisRef); ?>"></input>
|
|
<a href="javascript:void(0)" onclick="if (confirm ('<?php echo escape($lang['comments_hide-comment-text-confirm']); ?>')) submitForm(this.parentNode);"><?php echo '<i aria-hidden="true" class="fa fa-trash-alt"></i> ' . $lang['comments_hide-comment-text-link']; ?></a>
|
|
</form>
|
|
<?php
|
|
}
|
|
|
|
echo "</div>"; // end of CommentEntryInfoFlag
|
|
}
|
|
|
|
echo "</div>"; // end of CommentEntry
|
|
|
|
if ($bRecursive) {
|
|
comments_show($thisRef, $bcollection_mode, true, $level + 1);
|
|
}
|
|
}
|
|
if ($level == 1) {
|
|
echo "</div>"; // end of comments_container
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Notify anyone tagged when a new comment is posted
|
|
*
|
|
* @param string $comment The comment body
|
|
* @param integer $from_user Who posted the comment
|
|
* @param integer $resource If commenting on a resource, the resource ID
|
|
* @param integer $collection If commenting on a collection, the collection ID
|
|
*
|
|
* @return void
|
|
*/
|
|
function comments_notify_tagged($comment, $from_user, $resource = null, $collection = null)
|
|
{
|
|
// Find tagged users.
|
|
$success = preg_match_all("/@.*? /", $comment . " ", $tagged, PREG_PATTERN_ORDER);
|
|
if (!$success) {
|
|
return true;
|
|
} // Nothing to do, return out.
|
|
foreach ($tagged[0] as $tag) {
|
|
$tag = substr($tag, 1);
|
|
$tag = trim($tag); // Get just the username.
|
|
$user = get_user_by_username($tag); // Find the matching user ID
|
|
// No match but there's an underscore? Try replacing the underscore with a space and search again. Spaces are swapped to underscores when tagging.
|
|
if ($user === false) {
|
|
$user = get_user_by_username(str_replace("_", " ", $tag));
|
|
}
|
|
|
|
if ($user > 0) {
|
|
// Notify them.
|
|
|
|
// Build a URL based on whether this is a resource or collection
|
|
global $baseurl,$userref,$lang;
|
|
$url = $baseurl . "/?" . (is_null($resource) ? "c" : "r") . "=" . (is_null($resource) ? $collection : $resource);
|
|
|
|
// Send the message.
|
|
message_add(array($user), $lang["tagged_notification"] . " " . $comment, $url, $userref);
|
|
}
|
|
}
|
|
return true;
|
|
}
|