Cleanup of stray spaces and tabs
diff --git a/system/libraries/Trackback.php b/system/libraries/Trackback.php
index a279144..a8be8a8 100644
--- a/system/libraries/Trackback.php
+++ b/system/libraries/Trackback.php
@@ -27,7 +27,7 @@
* @link http://codeigniter.com/user_guide/libraries/trackback.html
*/
class CI_Trackback {
-
+
var $time_format = 'local';
var $charset = 'UTF-8';
var $data = array('url' => '', 'title' => '', 'excerpt' => '', 'blog_name' => '', 'charset' => '');
@@ -44,24 +44,24 @@
{
log_message('debug', "Trackback Class Initialized");
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Send Trackback
*
* @access public
* @param array
* @return bool
- */
+ */
function send($tb_data)
- {
+ {
if ( ! is_array($tb_data))
{
$this->set_error('The send() method must be passed an array');
return FALSE;
}
-
+
// Pre-process the Trackback Data
foreach (array('url', 'title', 'excerpt', 'blog_name', 'ping_url') as $item)
{
@@ -70,14 +70,14 @@
$this->set_error('Required item missing: '.$item);
return FALSE;
}
-
+
switch ($item)
{
case 'ping_url' : $$item = $this->extract_urls($tb_data[$item]);
break;
case 'excerpt' : $$item = $this->limit_characters($this->convert_xml(strip_tags(stripslashes($tb_data[$item]))));
break;
- case 'url' : $$item = str_replace('-', '-', $this->convert_xml(strip_tags(stripslashes($tb_data[$item]))));
+ case 'url' : $$item = str_replace('-', '-', $this->convert_xml(strip_tags(stripslashes($tb_data[$item]))));
break;
default : $$item = $this->convert_xml(strip_tags(stripslashes($tb_data[$item])));
break;
@@ -103,9 +103,9 @@
// Build the Trackback data string
$charset = ( ! isset($tb_data['charset'])) ? $this->charset : $tb_data['charset'];
-
+
$data = "url=".rawurlencode($url)."&title=".rawurlencode($title)."&blog_name=".rawurlencode($blog_name)."&excerpt=".rawurlencode($excerpt)."&charset=".rawurlencode($charset);
-
+
// Send Trackback(s)
$return = TRUE;
if (count($ping_url) > 0)
@@ -116,14 +116,14 @@
{
$return = FALSE;
}
- }
+ }
}
return $return;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Receive Trackback Data
*
@@ -134,9 +134,9 @@
*
* @access public
* @return bool
- */
+ */
function receive()
- {
+ {
foreach (array('url', 'title', 'blog_name', 'excerpt') as $val)
{
if ( ! isset($_POST[$val]) OR $_POST[$val] == '')
@@ -144,29 +144,29 @@
$this->set_error('The following required POST variable is missing: '.$val);
return FALSE;
}
-
+
$this->data['charset'] = ( ! isset($_POST['charset'])) ? 'auto' : strtoupper(trim($_POST['charset']));
-
+
if ($val != 'url' && function_exists('mb_convert_encoding'))
{
$_POST[$val] = mb_convert_encoding($_POST[$val], $this->charset, $this->data['charset']);
}
-
+
$_POST[$val] = ($val != 'url') ? $this->convert_xml(strip_tags($_POST[$val])) : strip_tags($_POST[$val]);
-
+
if ($val == 'excerpt')
{
$_POST['excerpt'] = $this->limit_characters($_POST['excerpt']);
}
-
+
$this->data[$val] = $_POST[$val];
}
return TRUE;
- }
-
+ }
+
// --------------------------------------------------------------------
-
+
/**
* Send Trackback Error Message
*
@@ -177,15 +177,15 @@
* @access public
* @param string
* @return void
- */
+ */
function send_error($message = 'Incomplete Information')
{
echo "<?xml version=\"1.0\" encoding=\"utf-8\"?".">\n<response>\n<error>1</error>\n<message>".$message."</message>\n</response>";
exit;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Send Trackback Success Message
*
@@ -194,29 +194,29 @@
*
* @access public
* @return void
- */
+ */
function send_success()
{
echo "<?xml version=\"1.0\" encoding=\"utf-8\"?".">\n<response>\n<error>0</error>\n</response>";
exit;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Fetch a particular item
*
* @access public
* @param string
* @return string
- */
+ */
function data($item)
{
return ( ! isset($this->data[$item])) ? '' : $this->data[$item];
}
// --------------------------------------------------------------------
-
+
/**
* Process Trackback
*
@@ -227,11 +227,11 @@
* @param string
* @param string
* @return bool
- */
+ */
function process($url, $data)
{
$target = parse_url($url);
-
+
// Open the socket
if ( ! $fp = @fsockopen($target['host'], 80))
{
@@ -241,7 +241,7 @@
// Build the path
$ppath = ( ! isset($target['path'])) ? $url : $target['path'];
-
+
$path = (isset($target['query']) && $target['query'] != "") ? $ppath.'?'.$target['query'] : $ppath;
// Add the Trackback ID to the data string
@@ -260,32 +260,32 @@
// Was it successful?
$this->response = "";
-
+
while( ! feof($fp))
{
$this->response .= fgets($fp, 128);
}
@fclose($fp);
-
-
+
+
if (stristr($this->response, '<error>0</error>') === FALSE)
{
$message = 'An unknown error was encountered';
-
+
if (preg_match("/<message>(.*?)<\/message>/is", $this->response, $match))
{
$message = trim($match['1']);
}
-
+
$this->set_error($message);
return FALSE;
}
return TRUE;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Extract Trackback URLs
*
@@ -296,34 +296,34 @@
* @access public
* @param string
* @return string
- */
+ */
function extract_urls($urls)
- {
+ {
// Remove the pesky white space and replace with a comma.
$urls = preg_replace("/\s*(\S+)\s*/", "\\1,", $urls);
-
+
// If they use commas get rid of the doubles.
$urls = str_replace(",,", ",", $urls);
-
+
// Remove any comma that might be at the end
if (substr($urls, -1) == ",")
{
$urls = substr($urls, 0, -1);
}
-
+
// Break into an array via commas
$urls = preg_split('/[,]/', $urls);
-
+
// Removes duplicates
$urls = array_unique($urls);
-
+
array_walk($urls, array($this, 'validate_url'));
-
+
return $urls;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Validate URL
*
@@ -332,7 +332,7 @@
* @access public
* @param string
* @return string
- */
+ */
function validate_url($url)
{
$url = trim($url);
@@ -342,46 +342,46 @@
$url = "http://".$url;
}
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Find the Trackback URL's ID
*
* @access public
* @param string
* @return string
- */
+ */
function get_id($url)
- {
+ {
$tb_id = "";
-
+
if (strpos($url, '?') !== FALSE)
{
$tb_array = explode('/', $url);
$tb_end = $tb_array[count($tb_array)-1];
-
+
if ( ! is_numeric($tb_end))
{
$tb_end = $tb_array[count($tb_array)-2];
}
-
+
$tb_array = explode('=', $tb_end);
$tb_id = $tb_array[count($tb_array)-1];
}
else
{
$url = rtrim($url, '/');
-
+
$tb_array = explode('/', $url);
$tb_id = $tb_array[count($tb_array)-1];
-
+
if ( ! is_numeric($tb_id))
{
$tb_id = $tb_array[count($tb_array)-2];
}
- }
-
+ }
+
if ( ! preg_match ("/^([0-9]+)$/", $tb_id))
{
return FALSE;
@@ -389,11 +389,11 @@
else
{
return $tb_id;
- }
+ }
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Convert Reserved XML characters to Entities
*
@@ -404,22 +404,22 @@
function convert_xml($str)
{
$temp = '__TEMP_AMPERSANDS__';
-
+
$str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
$str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
-
+
$str = str_replace(array("&","<",">","\"", "'", "-"),
- array("&", "<", ">", """, "'", "-"),
- $str);
-
+ array("&", "<", ">", """, "'", "-"),
+ $str);
+
$str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
$str = preg_replace("/$temp(\w+);/","&\\1;", $str);
-
+
return $str;
- }
-
+ }
+
// --------------------------------------------------------------------
-
+
/**
* Character limiter
*
@@ -437,27 +437,27 @@
{
return $str;
}
-
+
$str = preg_replace("/\s+/", ' ', str_replace(array("\r\n", "\r", "\n"), ' ', $str));
-
+
if (strlen($str) <= $n)
{
return $str;
}
-
+
$out = "";
foreach (explode(' ', trim($str)) as $val)
{
- $out .= $val.' ';
+ $out .= $val.' ';
if (strlen($out) >= $n)
{
return trim($out).$end_char;
- }
+ }
}
}
-
+
// --------------------------------------------------------------------
-
+
/**
* High ASCII to Entities
*
@@ -470,58 +470,58 @@
*/
function convert_ascii($str)
{
- $count = 1;
- $out = '';
- $temp = array();
-
- for ($i = 0, $s = strlen($str); $i < $s; $i++)
- {
- $ordinal = ord($str[$i]);
-
- if ($ordinal < 128)
- {
- $out .= $str[$i];
- }
- else
- {
- if (count($temp) == 0)
- {
- $count = ($ordinal < 224) ? 2 : 3;
- }
-
- $temp[] = $ordinal;
-
- if (count($temp) == $count)
- {
- $number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
-
- $out .= '&#'.$number.';';
- $count = 1;
- $temp = array();
- }
- }
- }
-
- return $out;
+ $count = 1;
+ $out = '';
+ $temp = array();
+
+ for ($i = 0, $s = strlen($str); $i < $s; $i++)
+ {
+ $ordinal = ord($str[$i]);
+
+ if ($ordinal < 128)
+ {
+ $out .= $str[$i];
+ }
+ else
+ {
+ if (count($temp) == 0)
+ {
+ $count = ($ordinal < 224) ? 2 : 3;
+ }
+
+ $temp[] = $ordinal;
+
+ if (count($temp) == $count)
+ {
+ $number = ($count == 3) ? (($temp['0'] % 16) * 4096) + (($temp['1'] % 64) * 64) + ($temp['2'] % 64) : (($temp['0'] % 32) * 64) + ($temp['1'] % 64);
+
+ $out .= '&#'.$number.';';
+ $count = 1;
+ $temp = array();
+ }
+ }
+ }
+
+ return $out;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Set error message
*
* @access public
* @param string
* @return void
- */
+ */
function set_error($msg)
{
log_message('error', $msg);
$this->error_msg[] = $msg;
}
-
+
// --------------------------------------------------------------------
-
+
/**
* Show error messages
*
@@ -529,15 +529,15 @@
* @param string
* @param string
* @return string
- */
+ */
function display_errors($open = '<p>', $close = '</p>')
- {
+ {
$str = '';
foreach ($this->error_msg as $val)
{
$str .= $open.$val.$close;
}
-
+
return $str;
}