BBCode markup; provides automatic integration with lightbox. Part of the standard distribution.
*/
require (plugin_getdir('bbcode') . '/inc/stringparser_bbcode.class.php');
require (plugin_getdir('bbcode') . '/panels/admin.plugin.panel.bbcode.php');
/**
* Setups the plugin.
*/
function plugin_bbcode_startup() {
// defintions part
// load options
$bbconf = plugin_getoptions('bbcode');
// get defaults if not configured
define('BBCODE_ALLOW_HTML', isset($bbconf ['escape-html']) ? $bbconf ['escape-html'] : true);
define('BBCODE_ENABLE_COMMENTS', isset($bbconf ['comments']) ? $bbconf ['comments'] : false);
define('BBCODE_USE_EDITOR', isset($bbconf ['editor']) ? $bbconf ['editor'] : true);
define('BBCODE_URL_MAXLEN', isset($bbconf ['url-maxlen']) ? $bbconf ['url-maxlen'] : 40);
if (!file_exists('getfile.php')) {
define('BBCODE_USE_WRAPPER', false);
} else {
$funcs = explode(',', ini_get('disable_functions'));
if (in_array('readfile', $funcs)) {
define('BBCODE_USE_WRAPPER', false);
} else {
define('BBCODE_USE_WRAPPER', true);
}
}
// filter part
// add_filter('comment_text', 'plugin_bbcode_comment');
add_filter('title_save_pre', 'wp_specialchars', 1);
if (!BBCODE_ALLOW_HTML) {
add_filter('content_save_pre', 'wp_specialchars', 1);
}
add_filter('pre_comment_author_name', 'wp_specialchars');
add_filter('pre_comment_content', 'wp_specialchars');
add_filter('the_content', 'BBCode', 1);
add_filter('the_excerpt', 'BBCode', 1);
add_filter('the_content', 'plugin_bbcode_undoHtml', 30);
if (BBCODE_USE_EDITOR) {
add_filter('editor_toolbar', 'plugin_bbcode_toolbar');
}
if (BBCODE_ENABLE_COMMENTS) {
add_filter('comment_text', 'plugin_bbcode_comment', 1);
}
}
plugin_bbcode_startup();
/**
* Adds special stlye definitions into the HTML head.
*/
function plugin_bbcode_style() {
echo " \n";
echo ' \n";
echo " \n";
}
add_action('wp_head', 'plugin_bbcode_style');
/**
* Remaps the URL so that there's no hint to your attachs/ directory.
*
* @param string $d
* @return boolean
*/
function bbcode_remap_url(&$d) {
// NWM: "attachs/" is interpreted as a keyword, and it is translated to the actual path of ATTACHS_DIR
// CHANGE! we use the getfile.php script to mask the actual path of the attachs dir!
// DMKE: I got an idea about an integer-id based download/media manager... work-in-progress
if (strpos($d, ':') === false) {
// if is relative url
// absolute path, relative to this server
if ($d [0] == '/') {
/*
* BLOG_BASEURL contains a trailing slash in the end. If
* $d begins with a slash, we first strip it otherwise
* the string would look like
* http://mysite.com/flatpress//path/you/entered
* ^^ ugly double slash :P
*/
$d = BLOG_BASEURL . substr($d, 1);
}
if (substr($d, 0, 8) == 'attachs/') {
$d = BBCODE_USE_WRAPPER ? 'getfile.php?f=' . basename($d) . '&dl=true' : substr_replace($d, ATTACHS_DIR, 0, 8);
return true;
}
if (substr($d, 0, 7) == 'images/') {
$d = substr_replace($d, IMAGES_DIR, 0, 7);
$d = BBCODE_USE_WRAPPER ? 'getfile.php?f=' . basename($d) : $d;
}
return true;
}
if (strpos($d, 'www.') === 0) {
$d = 'http://' . $d;
}
return false;
}
/**
* Function to link documents.
*
* @param string $action
* @param array $attributes
* @param string $content
* @param mixed $params
* Not used
* @param mixed $node_object
* Not used
* @return string
*/
function do_bbcode_url($action, $attributes, $content, $params, $node_object) {
if ($action == 'validate') {
return true;
}
// the code was specified as follows: [url]http://.../[/url]
if (!isset($attributes ['default'])) {
// cut url if longer than > BBCODE_URL_MAXLEN
$url = $content;
if (($l = strlen($url)) > BBCODE_URL_MAXLEN) {
$t = (int) (BBCODE_URL_MAXLEN / 2);
$content = substr($url, 0, $t) . ' … ' . substr($url, $l - $t);
}
} else {
// else the code was specified as follows: [url=http://.../]Text[/url]
$url = $attributes ['default'];
}
$local = bbcode_remap_url($url);
$the_url = $local ? (BLOG_BASEURL . $url) : $url;
// DMKE: uh?
$content = $content;
$rel = isset($attributes ['rel']) ? ' rel="' . $attributes ['rel'] . '"' : '';
$extern = !$local ? ' class="externlink" title="Go to ' . $the_url . '"' : '';
return '' . $content . '';
}
/**
* Function to include images.
*
* @param string $action
* @param array $attributes
* @param string $content
* @param mixed $params
* Not used
* @param mixed $node_object
* Not used
* @return string
*/
function do_bbcode_img($action, $attributes, $content, $params, $node_object) {
if ($action == 'validate') {
return true;
}
if (!isset($attributes ['default'])) {
return '[No valid img specified]';
}
$absolutepath = $actualpath = $attributes ['default'];
// NWM: "images/" is interpreted as a keyword, and it is translated to the actual path of IMAGES_DIR
$image_is_local = bbcode_remap_url($actualpath);
$float = ' class="center" ';
$popup_start = '';
$popup_end = '';
$alt = $title = basename($actualpath);
$useimageinfo = true; // use IPTC info
if (isset($attributes ['alt'])) {
$alt = wp_specialchars($attributes ['alt']);
$useimageinfo = false;
}
if (isset($attributes ['title'])) {
$title = wp_specialchars($attributes ['title']);
$useimageinfo = false;
}
$img_size = array();
// let's disable socket functions for remote files
// slow remote servers may otherwise lockup the system
if ($image_is_local) {
$img_info = array();
$img_size = @getimagesize($actualpath, $img_info);
$absolutepath = BLOG_BASEURL . $actualpath;
if ($useimageinfo && function_exists('iptcparse')) {
if ($img_size ['mime'] == 'image/jpeg') {
// tiffs won't be supported
if (is_array($img_info)) {
if (isset($img_info ["APP13"])) {
$iptc = iptcparse($img_info ["APP13"]);
$title = @$iptc ["2#005"] [0] ? wp_specialchars($iptc ["2#005"] [0]) : $title;
$alt = isset($iptc ["2#120"] [0]) ? wp_specialchars($iptc ["2#120"] [0], 1) : $title;
}
}
}
}
}
$orig_w = $width = isset($img_size [0]) ? $img_size [0] : 0;
$orig_h = $height = isset($img_size [1]) ? $img_size [1] : 0;
$thumbpath = null;
// default: resize to 0, which means leaving it as it is, as width and hight will be ignored ;)
$scalefact = 0;
/*
* scale attribute has priority over width and height if scale is
* set popup is set to true automatically, unless it is explicitly
* set to false
*/
if (isset($attributes ['scale'])) {
if (substr($attributes ['scale'], -1, 1) == '%') {
// Format: NN%. We ignore %
$val = substr($attributes ['scale'], 0, -1);
} else {
$val = $attributes ['scale'];
}
$scalefact = $val / 100.0;
$width = (int) ($scalefact * $width);
$height = (int) ($scalefact * $height);
} elseif (isset($attributes ['width']) && isset($attributes ['height'])) {
// if both width and height are set, we assume proportions are ok
$width = (int) $attributes ['width'];
$height = (int) $attributes ['height'];
} elseif (isset($attributes ['width'])) {
// if only width is set we calc proportions
$scalefact = $orig_w ? ($attributes ['width'] / $orig_w) : 0;
$width = (int) $attributes ['width'];
$height = (int) ($scalefact * $orig_h);
} elseif (isset($attributes ['height'])) {
// if only height is set we calc proportions
$scalefact = $orig_w ? ($attributes ['height'] / $orig_h) : 0;
$height = (int) $attributes ['height'];
$width = (int) ($scalefact * $orig_w);
}
if ($height < $orig_h) {
$attributes ['popup'] = true;
}
if ($height != $orig_h) {
// bbcode_img_scale_filter($actualpath, $img_props, $newsize)
$thumbpath = apply_filters('bbcode_img_scale', $actualpath, $img_size, array(
$width,
$height
));
}
// Calculating the "loading" attribute of the image.
// For details, see https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img#attr-loading
// -> "lazy" is default (see https://developer.mozilla.org/en-US/docs/Web/Performance/Lazy_loading)
$loadingValue = 'lazy';
// Use img attribute value if explicitly set
if (isset($attributes ['loading'])) {
$loadingValue = $attributes ['loading'];
}
$loading = ' loading="' . $loadingValue . '"';
// JS for popup
if (isset($attributes ['popup']) && ($attributes ['popup'])) {
$pop_width = $orig_w ? $orig_w : 800;
$pop_height = $orig_h ? $orig_h : 600;
$popup = ' onclick="Popup=window.open("' . $absolutepath . '","Popup","toolbar=no,location=no,status=no,"' . '"menubar=no,scrollbars=yes,resizable=yes,width=' . $pop_width . ',height=' . $pop_height . '"); return false;"';
// Plugin hook, here lightbox attachs
$popup = apply_filters('bbcode_img_popup', $popup, $absolutepath);
$popup_start = $attributes ['popup'] == 'true' ? '' : '';
$popup_end = $attributes ['popup'] == 'true' ? '' : '';
}
$img_width = $width ? ' width="' . $width . '"' : '';
$img_height = $height ? ' height="' . $height . '"' : '';
if (isset($attributes ['float'])) {
$float = ($attributes ['float'] == 'left' || $attributes ['float'] == 'right') ? ' class="float' . $attributes ['float'] . '"' : ' class="center"';
}
$src = $thumbpath ? (BLOG_BASEURL . $thumbpath) : $absolutepath;
$pop = $popup_start ? '' : ' title="' . $title . '" ';
// Finally: Put together the whole img tag with all its attributes and return it
return $popup_start . '
' . $popup_end;
}
/**
* Function for email links
*
* @param string $action
* @param array $attr
* @param string $content
* @param mixed $params
* Not used
* @param mixed $node_object
* Not used
* @return string
*/
function do_bbcode_mail($action, $attributes, $content, $params, $node_object) {
if ($action == 'validate') {
// not used for now
return true;
}
// obfuscation mode: decimal/hexadecimal ASCII randomly mixed
$mode = 3;
// the code was specified as follows: [mail]user@example.org[/mail]
if (!isset($attributes ['default'])) {
return "" . obfuscateEmailAddress($content, $mode) . "";
} else {
// else the code was specified as follows: [mail=user@example.org]link text[/url]
return "" . $content . "";
}
}
/**
* Function for embedding videos
*
* @param string $action
* @param array $attr
* @param string $content
* @param mixed $params
* Not used
* @param mixed $node_object
* Not used
* @return string
*/
function do_bbcode_video($action, $attr, $content, $params, $node_object) {
if ($action == 'validate') {
return true;
}
$vurl = parse_url($attr ['default']);
if (isset($attr ['type'])) {
$type = $attr ['type'];
} else {
// is it http://www.MYSITE.com or http://MYSITE.com ?
$web = explode('.', $vurl ['host']);
array_pop($web);
$type = isset($web [1]) ? $web [1] : $web [0];
}
// Check the [video] element's attributes width, height and float
$width = isset($attr ['width']) ? $attr ['width'] : '560';
$height = isset($attr ['height']) ? $attr ['height'] : '315';
$float = isset($attr ['float']) ? 'align="' . $attr ['float'] . '" ' : 'style="margin: 0 auto; display:block;" ';
$query = utils_kexplode($vurl ['query'], '=&');
$output = null;
// We recognize different video providers by the given video URL.
switch ($type) {
// YouTube
case 'youtube':
$output = '';
break;
// Vimeo
case 'vimeo':
$vid = isset($query ['sec']) ? $query ['sec'] : str_replace('/', '', $vurl ['path']);
$output = '';
break;
// Facebook
case 'facebook':
$vid = isset($query ['sec']) ? $query ['sec'] : str_replace('/video/', '', $vurl ['path']);
$output = '
';
break;
// Any video file that can be played with HTML5