public static function check_server_connectivity()
{
$test_host = 'rest.akismet.com';
// Some web hosts may disable one or both functions
if (!function_exists('fsockopen') || !function_exists('gethostbynamel')) {
return array();
}
$ips = gethostbynamel($test_host);
if (!$ips || !is_array($ips) || !count($ips)) {
return array();
}
$api_key = Akismet::get_api_key();
$servers = array();
foreach ($ips as $ip) {
$response = Akismet::verify_key($api_key, $ip);
// even if the key is invalid, at least we know we have connectivity
if ($response == 'valid' || $response == 'invalid') {
$servers[$ip] = true;
} else {
$servers[$ip] = false;
}
}
return $servers;
}
public static function display_notice()
{
global $hook_suffix;
if (in_array($hook_suffix, array('jetpack_page_akismet-key-config', 'settings_page_akismet-key-config', 'edit-comments.php')) && (int) get_option('akismet_alert_code') > 0) {
Akismet::verify_key(Akismet::get_api_key());
//verify that the key is still in alert state
if (get_option('akismet_alert_code') > 0) {
self::display_alert();
}
} elseif ($hook_suffix == 'plugins.php' && !Akismet::get_api_key()) {
self::display_api_key_warning();
} elseif ($hook_suffix == 'edit-comments.php' && wp_next_scheduled('akismet_schedule_cron_recheck')) {
self::display_spam_check_warning();
} elseif (in_array($hook_suffix, array('jetpack_page_akismet-key-config', 'settings_page_akismet-key-config')) && Akismet::get_api_key()) {
self::display_status();
}
}
static function akismet_settings_callback()
{
?>
<div class="clear"></div>
<fieldset class="fscf_settings_group">
<strong><?php
_e('Akismet Spam Prevention', 'si-contact-form');
?>
</strong>
<a style="cursor:pointer;" title="<?php
esc_attr_e('Click for Help!', 'si-contact-form');
?>
" onclick="toggleVisibility('si_contact_akismet_tip');"><?php
_e('help', 'si-contact-form');
?>
</a>
<div class="fscf_tip" id="si_contact_akismet_tip">
<?php
_e('Akismet is a WordPress spam prevention plugin. When Akismet is installed and active, this form will be checked with Akismet to help prevent spam.', 'si-contact-form');
?>
</div>
<br /><br />
<?php
$akismet_installed = 0;
if (self::$form_options['akismet_disable'] == 'false') {
if (is_callable(array('Akismet', 'verify_key')) || function_exists('akismet_verify_key')) {
if (!isset(self::$form_options['akismet_check'])) {
echo '<span style="background-color:#99CC99;">' . __('Akismet is installed.', 'si-contact-form') . '</span>';
$akismet_installed = 1;
}
// Has an Akismet check been requested?
if (strpos($_SERVER['REQUEST_URI'], 'akismet_check') !== false) {
$key_status = 'failed';
$key = get_option('wordpress_api_key');
if (empty($key)) {
$key_status = 'empty';
} else {
if (is_callable(array('Akismet', 'verify_key'))) {
$key_status = Akismet::verify_key($key);
} else {
$key_status = akismet_verify_key($key);
}
// akismet 2.xx
}
if ($key_status == 'valid') {
$akismet_installed = 1;
?>
<div id="message" class="updated"><strong><?php
echo __('Akismet is enabled and the key is valid. This form will be checked with Akismet to help prevent spam', 'si-contact-form');
?>
</strong></div><?php
echo '<div class="fsc-notice">' . __('Akismet is installed and the key is valid. This form will be checked with Akismet to help prevent spam.', 'si-contact-form') . '</strong></div>';
} else {
if ($key_status == 'invalid') {
?>
<div id="message" class="error"><strong><?php
echo __('Akismet plugin is enabled but key needs to be activated', 'si-contact-form');
?>
</strong></div><?php
echo '<div class="fsc-error">' . __('Akismet plugin is installed but key needs to be activated.', 'si-contact-form') . '</div>';
} else {
if (!empty($key) && $key_status == 'failed') {
?>
<div id="message" class="error"><strong><?php
echo __('Akismet plugin is enabled but key failed to verify', 'si-contact-form');
?>
</strong></div><?php
echo '<div class="fsc-error">' . __('Akismet plugin is installed but key failed to verify.', 'si-contact-form') . '</div>';
} else {
?>
<div id="message" class="error"><strong><?php
echo __('Akismet plugin is installed but key has not been entered.', 'si-contact-form');
?>
</strong></div><?php
echo '<div class="fsc-error">' . __('Akismet plugin is installed but key has not been entered.', 'si-contact-form') . '</div>';
}
}
}
}
?>
<br />
<input name="<?php
echo self::$form_option_name;
?>
[akismet_check]" id="si_contact_akismet_check" type="checkbox" value="true" />
<label for="<?php
echo self::$form_option_name;
?>
[akismet_check]"><?php
_e('Check this and click "Save Changes" to determine if Akismet key is active.', 'si-contact-form');
?>
</label>
<br />
<?php
echo '<a href="' . admin_url("options-general.php?page=akismet-key-config") . '">' . __('Configure Akismet', 'si-contact-form') . '</a>';
?>
<?php
} else {
echo '<div class="fsc-notice">' . __('Akismet plugin is not installed or is deactivated.', 'si-contact-form') . '</div>';
}
} else {
echo '<div class="fsc-notice">' . __('Akismet is turned off for this form.', 'si-contact-form') . '</div>';
}
if (self::$form_options['akismet_disable'] == 'false') {
?>
<br />
<label for="<?php
echo self::$form_option_name;
?>
[akismet_send_anyway]"><?php
_e('What should happen if Akismet determines the message is spam?', 'si-contact-form');
?>
</label>
<select id="si_contact_akismet_send_anyway" name="<?php
echo self::$form_option_name;
?>
[akismet_send_anyway]">
<?php
$akismet_send_anyway_array = array('false' => __('Block spam messages', 'si-contact-form'), 'true' => __('Tag as spam and send anyway', 'si-contact-form'));
$selected = '';
foreach ($akismet_send_anyway_array as $k => $v) {
if (self::$form_options['akismet_send_anyway'] == "{$k}") {
$selected = ' selected="selected"';
}
echo '<option value="' . esc_attr($k) . '"' . $selected . '>' . esc_html($v) . '</option>' . "\n";
$selected = '';
}
?>
</select>
<a style="cursor:pointer;" title="<?php
esc_attr_e('Click for Help!', 'si-contact-form');
?>
" onclick="toggleVisibility('si_contact_akismet_send_anyway_tip');"><?php
_e('help', 'si-contact-form');
?>
</a>
<div class="fscf_tip" id="si_contact_akismet_send_anyway_tip">
<?php
_e('If you select "block spam messages". If Akismet determines the message is spam: An error will display "Invalid Input - Spam?" and the form will not send.', 'si-contact-form');
?>
<?php
echo ' ';
_e('If you select "tag as spam and send anyway". If Akismet determines the message is spam: The message will send and the subject wil begin with "Akismet: Spam". This way you can have Akismet on and be sure not to miss a message.', 'si-contact-form');
?>
</div>
<?php
} else {
echo '<input name="' . self::$form_option_name . '[akismet_send_anyway]" type="hidden" value="' . self::$form_options['akismet_send_anyway'] . '" />';
}
?>
<br />
<input name="<?php
echo self::$form_option_name;
?>
[akismet_disable]" id="si_contact_akismet_disable" type="checkbox" <?php
if (self::$form_options['akismet_disable'] == 'true') {
echo 'checked="checked"';
}
?>
value="true" />
<label for="<?php
echo self::$form_option_name;
?>
[akismet_disable]"><?php
_e('Turn off Akismet for this form.', 'si-contact-form');
?>
</label>
</fieldset>
<?php
}
public static function check_server_ip_connectivity()
{
$servers = $ips = array();
// Some web hosts may disable this function
if (function_exists('gethostbynamel')) {
$ips = gethostbynamel('rest.akismet.com');
if ($ips && is_array($ips) && count($ips)) {
$api_key = Akismet::get_api_key();
foreach ($ips as $ip) {
$response = Akismet::verify_key($api_key, $ip);
// even if the key is invalid, at least we know we have connectivity
if ($response == 'valid' || $response == 'invalid') {
$servers[$ip] = 'connected';
} else {
$servers[$ip] = $response ? $response : 'unable to connect';
}
}
}
}
return $servers;
}
function akismet_verify_key($key, $ip = null)
{
_deprecated_function(__FUNCTION__, '3.0', 'Akismet::verify_key()');
return Akismet::verify_key($key, $ip);
}
function akismet_verify_key($key, $ip = null)
{
return Akismet::verify_key($key, $ip);
}
?>
<input name="si_captcha_akismet_check" id="si_captcha_akismet_check" type="checkbox" value="1" />
<label for="si_captcha_akismet_check"><?php
_e('Check this and click "Update Options" to determine if Akismet key is active.', 'si-captcha');
?>
</label>
<?php
if (isset($_POST['si_captcha_akismet_check'])) {
echo '<br/>';
$key_status = 'failed';
$key = get_option('wordpress_api_key');
if (empty($key)) {
$key_status = 'empty';
} else {
if (is_callable(array('Akismet', 'verify_key'))) {
$key_status = Akismet::verify_key($key);
} else {
$key_status = akismet_verify_key($key);
}
// akismet 2.xx
}
if ($key_status == 'valid') {
echo '<span style="background-color:#99CC99; padding:4px;">' . __('Akismet is installed and the key is valid. Comment posts will be checked with Akismet to help prevent spam.', 'si-captcha') . '</strong></span>';
} else {
if ($key_status == 'invalid') {
echo '<span style="background-color:#FFE991; padding:4px;">' . __('Akismet plugin is installed but key needs to be activated.', 'si-captcha') . '</span>';
} else {
if (!empty($key) && $key_status == 'failed') {
echo '<span style="background-color:#FFE991; padding:4px;">' . __('Akismet plugin is installed but key failed to verify.', 'si-captcha') . '</span>';
}
}
function render_main_page_area($user)
{
global $admin_password;
$page_url = PA::$url . "/comment_management.php";
$paging_url = "{$page_url}?";
// url to pass to the pager object
$msg = "";
$path_info = @$_SERVER['PATH_INFO'];
// see if the user is logged in as an admin
if ($path_info == "/login") {
if (@$_REQUEST['admin_password'] == $admin_password) {
$_SESSION['comment_management_is_admin'] = TRUE;
} else {
$msg = "Incorrect password! Try again...";
}
} else {
if ($path_info == "/logout") {
$_SESSION['comment_management_is_admin'] = FALSE;
$msg = "You are now logged out (of admin mode).";
}
}
$is_admin = @$_SESSION['comment_management_is_admin'];
$limit_set = NULL;
// set this to an array with keys 'comment_id' to limit display to those keys
$current_search_terms = NULL;
// current search terms
switch ($path_info) {
case '/analyze_comment':
$comment_id = (int) @$_REQUEST['comment'];
if (!$is_admin) {
$msg = "Sorry, only administrators can analyze comments at the moment :(";
} elseif ($comment_id) {
$cmt = new Comment();
$cmt->load($comment_id);
$cmt->index_spam_domains();
$msg = "<p>Analysis of comment {$comment_id}:</p><hr/><p>" . nl2br(htmlspecialchars($cmt->comment)) . "</p><hr/><ul>";
$hosts = $cmt->get_link_hosts();
foreach ($hosts as $domain => $links) {
$msg .= "<li><b>" . htmlspecialchars($domain) . "</b> (<a href=\"{$page_url}/analyze_domain?domain=" . htmlspecialchars($domain) . "\">analyze</a>): ";
$dom = new SpamDomain($domain);
if ($dom->blacklisted) {
$msg .= " BLACKLISTED";
}
$msg .= "<ul>";
foreach ($links as $link) {
list($url, $linktexts) = $link;
$msg .= "<li>" . htmlspecialchars($url) . " -> " . implode(" | ", array_map("htmlspecialchars", $linktexts)) . "</li>";
}
$msg .= "</ul></li>";
}
$msg .= "</ul><hr/>";
}
break;
case '/search':
$current_search_terms = @$_REQUEST['q'];
if (!$is_admin) {
$msg = "Sorry, only administrators can search comments at the moment :(";
} elseif ($current_search_terms) {
$paging_url = "{$page_url}/search?q=" . urlencode($current_search_terms) . "&";
$limit_set = Comment::search($current_search_terms);
}
break;
case '/stats':
$msg = "<p>Stats:</p>";
list($n) = Dal::query_one("SELECT COUNT(*) FROM {comments}");
list($n_deleted) = Dal::query_one("SELECT COUNT(*) FROM {comments} WHERE is_active=0");
$n_active = $n - $n_deleted;
$msg .= "<li>{$n} comments ({$n_active} active / {$n_deleted} deleted)</li>";
list($n_ham) = Dal::query_one("SELECT COUNT(*) FROM {comments} WHERE is_active=1 AND spam_state=0");
$n_spam = $n_active - $n_ham;
$msg .= "<li>{$n_spam} active+spam / {$n_ham} active+not spam</li>";
list($n_no_class) = Dal::query_one("SELECT COUNT(*) FROM {comments} WHERE is_active=1 AND akismet_spam IS NULL");
$msg .= "<li>{$n_no_class} active comments not (yet?) classified by Akismet</li>";
list($n_akismet_del) = Dal::query_one("SELECT COUNT(*) FROM {comments} WHERE is_active=0 AND akismet_spam=1");
$msg .= "<li>{$n_akismet_del} comments flagged as spam by akismet and deleted</li>";
break;
case '/add_spam_term':
$spam_term = @$_REQUEST['term'];
if (!$is_admin) {
$msg = "Sorry, only administrators can add spam terms at the moment.";
} elseif ($spam_term) {
// find the comments
$matches = Comment::search($spam_term);
$n_deleted = count($matches);
// add the term
Comment::add_spam_term($spam_term);
// and delete the comments
$blk_size = 1000;
$F_fetch_ids = create_function('$item', 'return $item["comment_id"];');
for ($i = 0; $i < count($matches); $i += $blk_size) {
Comment::set_spam_state(array_map($F_fetch_ids, array_slice($matches, $i, $blk_size)), SPAM_STATE_SPAM_WORDS);
}
$msg = "Added <b>" . htmlspecialchars($spam_term) . '</b> to the spam term database, and deleted ' . $n_deleted . ' comments containing it.';
}
break;
case '/analyze_domain':
$domain = @$_REQUEST['domain'];
if (!$is_admin) {
$msg = "Sorry, only administrators can analyze domains.";
} else {
$msg .= "<p>analysis of domain " . htmlspecialchars($domain) . ":</p><ul>";
$domain = new SpamDomain($domain);
foreach ($domain->find_associated_domains() as $r) {
$msg .= "<li>" . $r['domain'] . " (" . $r['domain_id'] . "): " . $r['match_count'] . " matches</li>";
}
$msg .= "</ul>";
}
break;
case '/blacklist_domain':
$domain = @$_REQUEST['domain'];
if (!$is_admin) {
$msg = "Sorry, only administrators can blacklist domains.";
} elseif (!trim($domain)) {
$msg = "Invalid domain";
} else {
$dom = new SpamDomain($domain);
$dom->set_blacklisted(DOMAIN_BLACKLISTED_MANUALLY);
foreach ($dom->find_associated_domains() as $assoc_domain) {
SpamDomain::recalculate_link_counts_for_domain_id($assoc_domain['domain_id']);
}
}
// FALL THROUGH TO /common_domains
// FALL THROUGH TO /common_domains
case '/common_domains':
if (!$is_admin) {
$msg = "Sorry, only administrators can do this.";
} else {
list($total_domains, $total_blacklisted_domains) = SpamDomain::count_domains();
$msg .= "<p>Most common domains (out of total {$total_domains}, {$total_blacklisted_domains} blacklisted) in comments:</p><ul>";
foreach (SpamDomain::get_most_common_domains() as $dom) {
$msg .= "<li>" . $dom['active_count'] . " times: " . $dom['domain'] . ' ' . ($dom['blacklisted'] ? 'BLACKLISTED' : '') . ' (<a href="' . $page_url . '/blacklist_domain?domain=' . $dom['domain'] . '">blacklist domain</a> | <a href="' . $page_url . '/analyze_domain?domain=' . $dom['domain'] . '">analyze domain</a>)</li>';
}
$msg .= "</ul>";
}
break;
case '/akismet_verify_key':
global $akismet_key;
if (!$is_admin) {
$msg = "Sorry, only administrators can access Akismet at the moment.";
} elseif (!$akismet_key) {
$msg .= '<p>No Akismet key has been configured - Akismet is not active.</p>';
} else {
// global var $_base_url has been removed - please, use PA::$url static variable
$msg .= "<p>verifying akismet key: {$akismet_key}</p>";
$ak = new Akismet($akismet_key);
$msg .= "<p>result: " . var_export($ak->verify_key(PA::$url . PA_ROUTE_USER_PUBLIC . '/' . $user->user_id), TRUE) . "</p>";
}
break;
case '/akismet_check_spam':
if (!$is_admin) {
$msg = "Sorry, only administrators can access Akismet at the moment.";
} else {
global $akismet_key;
$msg .= "<p>checking comment for spam</p>";
$cmt = new Comment();
try {
$cmt->load((int) $_REQUEST['comment']);
} catch (PAException $e) {
if ($e->getCode() != COMMENT_NOT_EXIST) {
throw $e;
}
$msg .= "<p>Comment already deleted.</p>";
break;
}
$cmt->akismet_check();
$msg .= "<p>result: " . var_export($cmt->akismet_spam, TRUE) . "</p>";
}
break;
default:
if (preg_match("~^/delete/(\\d+)\$~", $path_info, $m)) {
list(, $cid) = $m;
if (!$is_admin) {
$msg = "Sorry, only administrators can delete comments at the moment :(";
} else {
try {
$c = new Comment();
$c->load((int) $cid);
$c->delete();
$msg = "Comment deleted.";
} catch (PAException $e) {
if ($e->code == COMMENT_NOT_EXIST) {
$msg = "Comment already deleted.";
} else {
throw $e;
}
}
}
}
}
$per_page = 20;
// how many comments to show on a page
// paging
if ($limit_set !== NULL) {
$total_comments = count($limit_set);
} else {
$total_comments = Comment::count_all_comments($is_admin ? 0 : $user->user_id);
}
$pager = new pager($total_comments, $per_page, $paging_url);
$paging = $pager->getButList(8) . " (total {$total_comments} comments)";
// main comment list
if ($limit_set !== NULL) {
$show_start = max(0, min(($pager->page - 1) * $per_page, $total_comments));
$show_count = min($per_page, $total_comments - $show_start);
$limit_set_ids = array_map(create_function('$item', 'return $item["comment_id"];'), array_slice($limit_set, $show_start, $show_count));
$cmts = Comment::get_selected($limit_set_ids);
} else {
$cmts = Comment::get_all_comments($is_admin ? 0 : $user->user_id, $per_page, $pager->page);
}
$comments = "";
foreach ($cmts as $cmt) {
// $comments .= "<li>".htmlspecialchars(var_export($cmt, TRUE))."</li>";
$akismet_result = $cmt['akismet_spam'] ? "spam" : "?";
$comments .= "<tr><td>" . $cmt['comment_id'] . "</td><td>" . $cmt['content_id'] . "</td><td>" . esc_wbr($cmt['name']) . "</td><td>" . esc_wbr($cmt['email']) . "</td><td>" . esc_wbr($cmt['homepage']) . "</td><td>" . esc_wbr($cmt['subject']) . "</td><td>" . esc_wbr($cmt['comment']) . " {$akismet_result} <a href=\"{$page_url}/analyze_comment?comment=" . $cmt['comment_id'] . "\">analyze</a></td><td>" . esc_wbr($cmt['ip_addr']) . "</td><td>" . '<form method="POST" action="' . PA::$url . '/comment_management.php/delete/' . $cmt['comment_id'] . '?page=' . $pager->page . '"><input type="submit" value="X"></form> <a href="' . $page_url . '/akismet_check_spam?comment=' . $cmt['comment_id'] . '">ak</a></td></tr>';
}
if ($is_admin) {
if ($current_search_terms) {
$current_search = '<form method="POST" action="' . $page_url . '/add_spam_term"><p>Currently displaying results for: <b>' . htmlspecialchars($current_search_terms) . '</b>. <a href="' . $page_url . '">Show all comments</a>. <input type="hidden" name="term" value="' . htmlspecialchars($current_search_terms) . '"><input type="submit" value="Blacklist this term"></p></form>';
} else {
$current_search = "";
}
$your_permissions = <<<EOS
\t<form method="POST" action="{$page_url}/logout"><p>You are an administrator, so all comments in the site will be displayed. <input type="submit" value="Log out"></p></form>
\t<p><a href="{$page_url}/akismet_verify_key">Verify Akismet key</a> | <a href="{$page_url}/common_domains">Show most common domains</a> | <a href="{$page_url}/stats">Spam statistics</a></p>
\t<form method="GET" action="{$page_url}/search"><p>Search comment content: <input type="text" id="search_q" name="q" size="20"><input type="submit" value="Search"/></p></form>
\t<script language="javascript"><!--
\t document.getElementById("search_q").focus();
// --></script>
{$current_search}
EOS;
} else {
$your_permissions = <<<EOS
<p>Showing comments on your blog and groups for which you are moderator.</p>
<form method="POST" action="{$page_url}/login"><p>Or enter the admin password here to adminster the whole site: <input type="password" name="admin_password" size="20"/><input type="submit" value="Log in"/></p></form>
EOS;
}
$page_title = "Manage comments";
global $akismet_key;
if ($akismet_key) {
$page_title .= " (Akismet active)";
} else {
$page_title .= " (Akismet not configured)";
}
$page_html = <<<EOS
<div class="pane comment_manage_pane">
<h1>{$page_title}</h1>
<div id="msg" class="fade">{$msg}</div>
{$your_permissions}
<p>{$paging}</p>
<table class="bulk_comment_summary"><tr>
<td>ID</td>
<td>Post</td>
<td>Name</td>
<td>Email</td>
<td>Website</td>
<td>Subject</td>
<td>Comment</td>
<td>IP</td>
<td>X</td>
</tr>
{$comments}
</table>
</div><!-- comment_manage_pane -->
EOS;
return $page_html;
}
/**
* Check if akismet is available
*
* ## OPTIONS
*
* ## EXAMPLES
*
* wp ametu akismet
*
* @synopsis
*/
public function akismet()
{
try {
if (!class_exists('Akismet')) {
throw new \Exception('Akismet is not installed.');
}
if (!($key = \Akismet::get_api_key())) {
throw new \Exception('Akismet API key is not set.');
}
if ('valid' !== \Akismet::verify_key($key)) {
throw new \Exception('Akismet API key is invalid.');
}
static::s('Akismet is available!');
} catch (\Exception $e) {
static::e($e->getMessage());
}
}
/**
* Is Akismet registered and active?
*
* @since 4.3.0
*
* @return bool|WP_Error True if Akismet is active and registered. Otherwise, a WP_Error instance with the corresponding error.
*/
private function akismet_is_active_and_registered()
{
if (!file_exists(WP_PLUGIN_DIR . '/akismet/class.akismet.php')) {
return new WP_Error('not_installed', esc_html__('Please install Akismet.', 'jetpack'), array('status' => 400));
}
if (!class_exists('Akismet')) {
return new WP_Error('not_active', esc_html__('Please activate Akismet.', 'jetpack'), array('status' => 400));
}
// What about if Akismet is put in a sub-directory or maybe in mu-plugins?
require_once WP_PLUGIN_DIR . '/akismet/class.akismet.php';
require_once WP_PLUGIN_DIR . '/akismet/class.akismet-admin.php';
$akismet_key = Akismet::verify_key(Akismet::get_api_key());
if (!$akismet_key || 'invalid' === $akismet_key || 'failed' === $akismet_key) {
return new WP_Error('invalid_key', esc_html__('Invalid Akismet key. Please contact support.', 'jetpack'), array('status' => 400));
}
return true;
}
