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flatpress/fp-includes/core/core.wp-pluggable-funcs.php

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<?php
/*
* These functions can be replaced via plugins. They are loaded after
* plugins are loaded.
*/
function _get_nextprev_link($nextprev) {
global $fpdb;
$q = &$fpdb->getQuery();
list ($caption, $id) = call_user_func(array(
&$q,
'get' . $nextprev
));
if (!$id)
return null;
if ($q->single) {
$link = "?entry={$id}";
} else {
if ($_SERVER ['QUERY_STRING']) {
if (strpos($_SERVER ['QUERY_STRING'], 'paged') !== false) {
$link = '?' . preg_replace('{paged=[0-9]+}', "paged={$id}", $_SERVER ['QUERY_STRING']);
} else {
$link = '?' . $_SERVER ['QUERY_STRING'] . "&paged={$id}";
}
$link = str_replace('&', '&amp;', $link);
} else {
$link = "?paged={$id}";
}
}
return array(
$caption,
BLOG_BASEURL . $link
);
}
if (!function_exists('get_nextpage_link')) :
function get_nextpage_link() {
global $fpdb;
$q = &$fpdb->getQuery();
$a = _get_nextprev_link('NextPage');
// show next entry link only if there actually is a next entry - and only if one single entry is displayed
if (isset($a) && $q->single) {
$a [0] .= ' &raquo; ';
}
return $a;
}
endif;
if (!function_exists('get_prevpage_link')) :
function get_prevpage_link() {
global $fpdb;
$q = &$fpdb->getQuery();
$a = _get_nextprev_link('PrevPage');
// show previous entry link only if there actually is a previous entry - and only if one single entry is displayed
if (isset($a) && $q->single) {
$a [0] = ' &laquo; ' . $a [0];
}
return $a;
}
endif;
function wp_filter_kses($str) {
return $str;
}
// ----------------------------------------------------------------------------
// WordPress pluggable functions
// ----------------------------------------------------------------------------
/*
* get_currentuserinfo()
* Grabs the information of the current logged in user, if there is one. Essentially a
* wrapper for get_userdata(), but it also stores information in global variables.
* get_userdata($userid)
* Pulls user information for the specified user from the database.
* get_userdatabylogin($user_login)
* Pulls user information for the specified user from the database.
* wp_mail($to, $subject, $message, $headers = '')
* A convenient wrapper for PHP's mail function.
* wp_login($username, $password, $already_md5 = false)
* Returns true if the specified username and password correspond to a registered
* user.
* auth_redirect()
* If a user is not logged in, he or she will be redirected to WordPress' login page before
* being allowed to access content on the page from which this function was called.
* Upon sucessfully logging in, the user is sent back to the page in question.
* wp_redirect($location)
* Redirects a browser to the absolute URI specified by the $location parameter.
* wp_setcookie($username, $password, $already_md5 = false, $home =
* '', $siteurl = '')
* Sets the WordPress cookies for a logged in user. See WordPress Cookies.
* wp_clearcookie()
* Clears the cookies for a logged in user. See WordPress Cookies.
* wp_notify_postauthor($comment_id, $comment_type='')
* Emails the author of the comment's post the content of the comment specified.
* wp_notify_moderator($comment_id)
* Informs the administrative email account that the comment specified needs to be
* moderated. See General Options SubPanel.
*/
if (!function_exists('get_currentuserinfo')) :
function get_currentuserinfo() {
/*
* global $user_login, $userdata, $user_level, $user_ID, $user_nickname, $user_email, $user_url, $user_pass_md5, $user_identity;
* // *** retrieving user's data from cookies and db - no spoofing
*
* if (isset($_COOKIE['wordpressuser_' . COOKIEHASH]))
* $user_login = $_COOKIE['wordpressuser_' . COOKIEHASH];
* $userdata = get_userdatabylogin($user_login);
* $user_level = $userdata->user_level;
* $user_ID = $userdata->ID;
* $user_nickname = $userdata->user_nickname;
* $user_email = $userdata->user_email;
* $user_url = $userdata->user_url;
* $user_pass_md5 = md5($userdata->user_pass);
*
* $idmode = $userdata->user_idmode;
* if ($idmode == 'nickname') $user_identity = $userdata->user_nickname;
* if ($idmode == 'login') $user_identity = $userdata->user_login;
* if ($idmode == 'firstname') $user_identity = $userdata->user_firstname;
* if ($idmode == 'lastname') $user_identity = $userdata->user_lastname;
* if ($idmode == 'namefl') $user_identity = $userdata->user_firstname.' '.$userdata->user_lastname;
* if ($idmode == 'namelf') $user_identity = $userdata->user_lastname.' '.$userdata->user_firstname;
* if (!$idmode) $user_identity = $userdata->user_nickname;
*/
}
endif;
if (!function_exists('get_userdata')) :
function get_userdata($userid) {
/*
* global $wpdb, $cache_userdata;
* $userid = (int) $userid;
* if ( empty($cache_userdata[$userid]) && $userid != 0) {
* $cache_userdata[$userid] = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID = $userid");
* $cache_userdata[$cache_userdata[$userid]->user_login] =& $cache_userdata[$userid];
* }
*
* return $cache_userdata[$userid];
*/
}
endif;
if (!function_exists('get_userdatabylogin')) :
function get_userdatabylogin($user_login) {
/*
* global $cache_userdata, $wpdb;
* if ( !empty($user_login) && empty($cache_userdata[$user_login]) ) {
* $user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE user_login = '$user_login'"); // todo: get rid of this intermediate var
* $cache_userdata[$user->ID] = $user;
* $cache_userdata[$user_login] =& $cache_userdata[$user->ID];
* } else {
* $user = $cache_userdata[$user_login];
* }
* return $user;
*/
}
endif;
if (!function_exists('wp_mail')) :
function wp_mail($to, $subject, $message, $headers = '') {
if ($headers == '') {
$headers = "MIME-Version: 1.0\n" . "From: " . get_settings('admin_email') . "\n" . "Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\n";
}
return @mail($to, $subject, $message, $headers);
}
endif;
if (!function_exists('wp_login')) :
function wp_login($username, $password, $already_md5 = false) {
/*
* global $wpdb, $error;
*
* if ( !$username )
* return false;
*
* if ( !$password ) {
* $error = __('<strong>Error</strong>: The password field is empty.');
* return false;
* }
*
* $login = $wpdb->get_row("SELECT ID, user_login, user_pass FROM $wpdb->users WHERE user_login = '$username'");
*
* if (!$login) {
* $error = __('<strong>Error</strong>: Wrong username.');
* return false;
* } else {
* // If the password is already_md5, it has been double hashed.
* // Otherwise, it is plain text.
* if ( ($already_md5 && $login->user_login == $username && md5($login->user_pass) == $password) || ($login->user_login == $username && $login->user_pass == md5($password)) ) {
* return true;
* } else {
* $error = __('<strong>Error</strong>: Incorrect password.');
* $pwd = '';
* return false;
* }
* }
*/
}
endif;
if (!function_exists('auth_redirect')) :
function auth_redirect() {
// Checks if a user is logged in, if not redirects them to the login page
/*
* if ( (!empty($_COOKIE['wordpressuser_' . COOKIEHASH]) &&
* !wp_login($_COOKIE['wordpressuser_' . COOKIEHASH], $_COOKIE['wordpresspass_' . COOKIEHASH], true)) ||
* (empty($_COOKIE['wordpressuser_' . COOKIEHASH])) ) {
* header('Expires: Wed, 11 Jan 1984 05:00:00 GMT');
* header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
* header('Cache-Control: no-cache, must-revalidate, max-age=0');
* header('Pragma: no-cache');
*
* header('Location: ' . get_settings('siteurl') . '/wp-login.php?redirect_to=' . urlencode($_SERVER['REQUEST_URI']));
* exit();
* }
*/
}
endif;
// Cookie safe redirect. Works around IIS Set-Cookie bug.
// http://support.microsoft.com/kb/q176113/
if (!function_exists('wp_redirect')) :
function wp_redirect($location, $status = 302) {
global $is_IIS;
$location = apply_filters('wp_redirect', $location, $status);
if (!$location) // allows the wp_redirect filter to cancel a redirect
return false;
$location = preg_replace('|[^a-z0-9-~+_.?#=&;,/:%]|i', '', $location);
// $location = wp_kses_no_null($location);
$location = preg_replace('/\0+/', '', $location);
$location = preg_replace('/(\\\\0)+/', '', $location);
$strip = array(
'%0d',
'%0a'
);
$location = str_replace($strip, '', $location);
if ($is_IIS) {
header("Refresh: 0;url=$location");
} else {
if (php_sapi_name() != 'cgi-fcgi')
utils_status_header($status); // This causes problems on IIS and some FastCGI setups
header("Location: $location");
}
}
endif;
if (!function_exists('wp_setcookie')) :
function wp_setcookie($username, $password, $already_md5 = false, $home = '', $siteurl = '') {
if (!$already_md5)
$password = md5(md5($password)); // Double hash the password in the cookie.
if (empty($home))
$cookiepath = COOKIEPATH;
else
$cookiepath = preg_replace('|https?://[^/]+|i', '', $home . '/');
if (empty($siteurl)) {
$sitecookiepath = SITECOOKIEPATH;
$cookiehash = COOKIEHASH;
} else {
$sitecookiepath = preg_replace('|https?://[^/]+|i', '', $siteurl . '/');
$cookiehash = md5($siteurl);
}
setcookie('wordpressuser_' . $cookiehash, $username, time() + 31536000, $cookiepath, COOKIE_SECURE, COOKIE_HTTPONLY);
setcookie('wordpresspass_' . $cookiehash, $password, time() + 31536000, $cookiepath, COOKIE_SECURE, COOKIE_HTTPONLY);
if ($cookiepath != $sitecookiepath) {
setcookie('wordpressuser_' . $cookiehash, $username, time() + 31536000, $sitecookiepath, COOKIE_SECURE, COOKIE_HTTPONLY);
setcookie('wordpresspass_' . $cookiehash, $password, time() + 31536000, $sitecookiepath, COOKIE_SECURE, COOKIE_HTTPONLY);
}
}
endif;
if (!function_exists('wp_clearcookie')) :
function wp_clearcookie() {
setcookie('wordpressuser_' . COOKIEHASH, ' ', time() - 31536000, COOKIEPATH, COOKIE_SECURE, COOKIE_HTTPONLY);
setcookie('wordpresspass_' . COOKIEHASH, ' ', time() - 31536000, COOKIEPATH, COOKIE_SECURE, COOKIE_HTTPONLY);
setcookie('wordpressuser_' . COOKIEHASH, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_SECURE, COOKIE_HTTPONLY);
setcookie('wordpresspass_' . COOKIEHASH, ' ', time() - 31536000, SITECOOKIEPATH, COOKIE_SECURE, COOKIE_HTTPONLY);
}
endif;
if (!function_exists('check_admin_referer')) :
function check_admin_referer($action = -1) {
$adminurl = BLOG_BASEURL . 'admin.php';
$referer = strtolower(wp_get_referer());
if (!wp_verify_nonce(@$_REQUEST ['_wpnonce'], $action) && !(-1 == $action && strstr($referer, $adminurl))) {
wp_nonce_ays($action);
die();
}
do_action('check_admin_referer', $action);
}
endif;
if (!function_exists('wp_verify_nonce')) :
/**
* Verifies the given nonce for the given action string.
*
* @param string $nonce
* the nonce to verify
* @param string $action
* the action
* @return boolean <code>true</code> if the nonce is valid; <code>false</code> otherwise
*/
function wp_verify_nonce($nonce, $action = -1) {
$user = user_get();
$uid = $user ['userid'];
// new nonce each 12 hours
$i = ceil(time() / (60 * 60 * 12));
// The nonce we expect for the given action at the current time
$expectedNonce = substr(wp_hash($i . $action . $uid), -12, 10);
// The nonce we expect for the given action in the previous time period
$expectedPreviousNonce = substr(wp_hash(($i - 1) . $action . $uid), -12, 10);
// given nonce must match the current or the previous nonce
return $nonce == $expectedNonce || $nonce == $expectedPreviousNonce;
}
endif;
if (!function_exists('wp_create_nonce')) :
/**
* Creates and returns the valid nonce.
*
* @param int $action
* optional: the action
* @return string the nonce
*/
function wp_create_nonce($action = -1) {
// get the info array of the user currenty logged in
$user = user_get();
$uid = $user ['userid'];
// new nonce each 12 hours
$i = ceil(time() / (60 * 60 * 12));
return substr(wp_hash($i . $action . $uid), -12, 10);
}
endif;
if (!function_exists('wp_salt')) :
/**
* Returns a salt for hashing.<br>
* The salt is unique for each FlatPress installation; see <code>fp-content/config/hashsalt.conf.php</code>
*
* @return string the salt
*/
function wp_salt() {
global $fp_config;
static $salt = null;
if (!$salt) {
// get the salt from the hashsalt file
@include (HASHSALT_FILE);
if (!$fp_hashsalt) {
trigger_error('Cannot load hash salt: reinstall FlatPress', E_USER_ERROR);
}
$salt = $fp_hashsalt;
}
return $salt;
}
endif;
if (!function_exists('wp_hash')) :
/**
* Creates a salted MD5 hash of the given string.
*
* @param string $data
* the string to hash
* @return string the hash
*/
function wp_hash($data) {
$salt = wp_salt();
return md5($data . $salt);
}
endif;
if (!function_exists('wp_notify_postauthor')) :
function wp_notify_postauthor($comment_id, $comment_type = '') {
/*
* global $wpdb;
*
* $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
* $post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1");
* $user = $wpdb->get_row("SELECT * FROM $wpdb->users WHERE ID='$post->post_author' LIMIT 1");
*
* if ('' == $user->user_email) return false; // If there's no email to send the comment to
*
* $comment_author_domain = gethostbyaddr($comment->comment_author_IP);
*
* $blogname = get_settings('blogname');
*
* if ( empty( $comment_type ) ) $comment_type = 'comment';
*
* if ('comment' == $comment_type) {
* $notify_message = sprintf( __('New comment on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
* $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
* $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
* $notify_message .= sprintf( __('URI : %s'), $comment->comment_author_url ) . "\r\n";
* $notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
* $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
* $notify_message .= __('You can see all comments on this post here: ') . "\r\n";
* $subject = sprintf( __('[%1$s] Comment: "%2$s"'), $blogname, $post->post_title );
* } elseif ('trackback' == $comment_type) {
* $notify_message = sprintf( __('New trackback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
* $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
* $notify_message .= sprintf( __('URI : %s'), $comment->comment_author_url ) . "\r\n";
* $notify_message .= __('Excerpt: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
* $notify_message .= __('You can see all trackbacks on this post here: ') . "\r\n";
* $subject = sprintf( __('[%1$s] Trackback: "%2$s"'), $blogname, $post->post_title );
* } elseif ('pingback' == $comment_type) {
* $notify_message = sprintf( __('New pingback on your post #%1$s "%2$s"'), $comment->comment_post_ID, $post->post_title ) . "\r\n";
* $notify_message .= sprintf( __('Website: %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
* $notify_message .= sprintf( __('URI : %s'), $comment->comment_author_url ) . "\r\n";
* $notify_message .= __('Excerpt: ') . "\r\n" . sprintf( __('[...] %s [...]'), $comment->comment_content ) . "\r\n\r\n";
* $notify_message .= __('You can see all pingbacks on this post here: ') . "\r\n";
* $subject = sprintf( __('[%1$s] Pingback: "%2$s"'), $blogname, $post->post_title );
* }
* $notify_message .= get_permalink($comment->comment_post_ID) . "#comments\r\n\r\n";
* $notify_message .= sprintf( __('To delete this comment, visit: %s'), get_settings('siteurl').'/wp-admin/post.php?action=confirmdeletecomment&p='.$comment->comment_post_ID."&comment=$comment_id" ) . "\r\n";
*
* if ('' == $comment->comment_author_email || '' == $comment->comment_author) {
* $from = "From: \"$blogname\" <wordpress@" . $_SERVER['SERVER_NAME'] . '>';
* } else {
* $from = 'From: "' . $comment->comment_author . "\" <$comment->comment_author_email>";
* }
*
* $notify_message = apply_filters('comment_notification_text', $notify_message);
* $subject = apply_filters('comment_notification_subject', $subject);
* $message_headers = apply_filters('comment_notification_headers', $message_headers);
*
* $message_headers = "MIME-Version: 1.0\n"
* . "$from\n"
* . "Content-Type: text/plain; charset=\"" . get_settings('blog_charset') . "\"\n";
*
* @wp_mail($user->user_email, $subject, $notify_message, $message_headers);
*
* return true;
*/
}
endif;
/*
* wp_notify_moderator
* notifies the moderator of the blog (usually the admin)
* about a new comment that waits for approval
* always returns true
*/
if (!function_exists('wp_notify_moderator')) :
function wp_notify_moderator($comment_id) {
/*
* global $wpdb;
*
* if( get_settings( "moderation_notify" ) == 0 )
* return true;
*
* $comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID='$comment_id' LIMIT 1");
* $post = $wpdb->get_row("SELECT * FROM $wpdb->posts WHERE ID='$comment->comment_post_ID' LIMIT 1");
*
* $comment_author_domain = gethostbyaddr($comment->comment_author_IP);
* $comments_waiting = $wpdb->get_var("SELECT count(comment_ID) FROM $wpdb->comments WHERE comment_approved = '0'");
*
* $notify_message = sprintf( __('A new comment on the post #%1$s "%2$s" is waiting for your approval'), $post->ID, $post->post_title ) . "\r\n";
* $notify_message .= get_permalink($comment->comment_post_ID) . "\r\n\r\n";
* $notify_message .= sprintf( __('Author : %1$s (IP: %2$s , %3$s)'), $comment->comment_author, $comment->comment_author_IP, $comment_author_domain ) . "\r\n";
* $notify_message .= sprintf( __('E-mail : %s'), $comment->comment_author_email ) . "\r\n";
* $notify_message .= sprintf( __('URI : %s'), $comment->comment_author_url ) . "\r\n";
* $notify_message .= sprintf( __('Whois : http://ws.arin.net/cgi-bin/whois.pl?queryinput=%s'), $comment->comment_author_IP ) . "\r\n";
* $notify_message .= __('Comment: ') . "\r\n" . $comment->comment_content . "\r\n\r\n";
* $notify_message .= sprintf( __('To approve this comment, visit: %s'), get_settings('siteurl').'/wp-admin/post.php?action=mailapprovecomment&p='.$comment->comment_post_ID."&comment=$comment_id" ) . "\r\n";
* $notify_message .= sprintf( __('To delete this comment, visit: %s'), get_settings('siteurl').'/wp-admin/post.php?action=confirmdeletecomment&p='.$comment->comment_post_ID."&comment=$comment_id" ) . "\r\n";
* $notify_message .= sprintf( __('Currently %s comments are waiting for approval. Please visit the moderation panel:'), $comments_waiting ) . "\r\n";
* $notify_message .= get_settings('siteurl') . "/wp-admin/moderation.php\r\n";
*
* $subject = sprintf( __('[%1$s] Please moderate: "%2$s"'), get_settings('blogname'), $post->post_title );
* $admin_email = get_settings("admin_email");
*
* $notify_message = apply_filters('comment_moderation_text', $notify_message);
* $subject = apply_filters('comment_moderation_subject', $subject);
*
* @wp_mail($admin_email, $subject, $notify_message);
*
* return true;
*/
}
endif;
?>
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