@ -6,7 +6,8 @@
* @since 22/April/2007
*
*/
require_once(dirname(__FILE__) . DIRECTORY_SEPARATOR . "config.php");
require_once dirname(__FILE__) . DIRECTORY_SEPARATOR . "config.php";
/**
* force to ensure existence of stripos
*/
@ -23,17 +24,14 @@ if (!function_exists("stripos"))
* @param array $excls specify those unwanted query string
* @return string
*/
function getCurrentUrl($excls=array())
{
function getCurrentUrl($excls=array()) {
$output = $_SERVER['PHP_SELF'];
$count = 1;
foreach($_GET as $k=>$v)
{
if(array_search($k, $excls) ===false)
{
foreach($_GET as $k=>$v) {
if(array_search($k, $excls) ===false) {
$v = api_htmlentities(Security::remove_XSS($v));
$strAppend = "&";
if($count == 1)
{
if($count == 1) {
$strAppend = "?";
$count++;
}
@ -42,20 +40,20 @@ if (!function_exists("stripos"))
}
return $output;
}
/**
* print out an array
*
* @param array $array
*/
function displayArray($array, $comments="")
{
echo "< pre > ";
echo $comments;
print_r($array);
echo $comments;
echo "< / pre > ";
}
/**
* print out an array
*
* @param array $array
*/
function displayArray($array, $comments="")
{
echo "< pre > ";
echo $comments;
print_r($array);
echo $comments;
echo "< / pre > ";
}
@ -116,20 +114,16 @@ function displayArray($array, $comments="")
}
}
/**
* transform file relative path to absolute path
* @param string $value the path to the file
* @return string
*/
function relToAbs($value)
{
return backslashToSlash(preg_replace("/(\\\\)/","\\", getRealPath($value)));
}
/**
* transform file relative path to absolute path
* @param string $value the path to the file
* @return string
*/
function relToAbs($value)
{
return backslashToSlash(preg_replace("/(\\\\)/","\\", getRealPath($value)));
}
function getRelativeFileUrl($value, $relativeTo)
{
@ -144,85 +138,87 @@ function relToAbs($value)
$output = $urlprefix . substr($value, strlen($wwwroot)) . $urlsuffix;
}
}
/**
* replace slash with backslash
*
* @param string $value the path to the file
* @return string
*/
function slashToBackslash($value) {
return str_replace("/", DIRECTORY_SEPARATOR, $value);
}
/**
* replace backslash with slash
*
* @param string $value the path to the file
* @return string
*/
function backslashToSlash($value) {
return str_replace(DIRECTORY_SEPARATOR, "/", $value);
}
/**
* removes the trailing slash
*
* @param string $value
* @return string
*/
function removeTrailingSlash($value) {
if(preg_match('@^.+/$@i', $value))
{
$value = substr($value, 0, strlen($value)-1);
/**
* replace slash with backslash
*
* @param string $value the path to the file
* @return string
*/
function slashToBackslash($value) {
return str_replace("/", DIRECTORY_SEPARATOR, $value);
}
return $value;
}
/**
* append a trailing slash
*
* @param string $value
* @return string
*/
function addTrailingSlash($value)
{
if(preg_match('@^.*[^/]{1}$@i', $value))
{
$value .= '/';
/**
* replace backslash with slash
*
* @param string $value the path to the file
* @return string
*/
function backslashToSlash($value) {
return str_replace(DIRECTORY_SEPARATOR, "/", $value);
}
return $value;
}
/**
* transform a file path to user friendly
*
* @param string $value
* @return string
*/
function transformFilePath($value) {
$rootPath = addTrailingSlash(backslashToSlash(getRealPath(CONFIG_SYS_ROOT_PATH)));
$value = addTrailingSlash(backslashToSlash(getRealPath($value)));
if(!empty($rootPath) & & ($i = strpos($value, $rootPath)) !== false)
/**
* removes the trailing slash
*
* @param string $value
* @return string
*/
function removeTrailingSlash($value) {
if(preg_match('@^.+/$@i', $value))
{
$value = substr($value, 0, strlen($value)-1);
}
return $value;
}
/**
* append a trailing slash
*
* @param string $value
* @return string
*/
function addTrailingSlash($value)
{
$value = ($i == 0?substr($value, strlen($rootPath)):"/");
if(preg_match('@^.*[^/]{1}$@i', $value))
{
$value .= '/';
}
return $value;
}
$value = prependSlash($value);
return $value;
}
/**
* prepend slash
*
* @param string $value
* @return string
*/
function prependSlash($value)
{
if (($value & & $value[0] != '/') || !$value )
/**
* transform a file path to user friendly
*
* @param string $value
* @return string
*/
function transformFilePath($value) {
$rootPath = addTrailingSlash(backslashToSlash(getRealPath(CONFIG_SYS_ROOT_PATH)));
$value = addTrailingSlash(backslashToSlash(getRealPath($value)));
if(!empty($rootPath) & & ($i = strpos($value, $rootPath)) !== false)
{
$value = "/" . $value ;
$value = ($i == 0?substr($value, strlen($rootPath)):"/") ;
}
$value = prependSlash($value);
return $value;
}
}
/**
* prepend slash
*
* @param string $value
* @return string
*/
function prependSlash($value)
{
if (($value & & $value[0] != '/') || !$value )
{
$value = "/" . $value;
}
return $value;
}
function writeInfo($data, $die = false)
@ -238,26 +234,25 @@ function prependSlash($value)
}
/**
* no cachable header
*/
function addNoCacheHeaders() {
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
}
/**
* no cachable header
*/
function addNoCacheHeaders() {
header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT");
header("Cache-Control: no-store, no-cache, must-revalidate");
header("Cache-Control: post-check=0, pre-check=0", false);
header("Pragma: no-cache");
}
/**
* add extra query stiring to a url
* @param string $baseUrl
* @param string $extra the query string added to the base url
*/
function appendQueryString($baseUrl, $extra)
{
function appendQueryString($baseUrl, $extra) {
$output = $baseUrl;
if(!empty($extra))
{
if(!empty($extra)) {
if(strpos($baseUrl, "?") !== false)
{
$output .= "& " . $extra;
@ -275,18 +270,16 @@ function addNoCacheHeaders() {
* @param array $excluded
* @return string
*/
function makeQueryString($excluded=array())
{
function makeQueryString($excluded=array()) {
$output = '';
$count = 1;
foreach($_GET as $k=>$v)
{
if(array_search($k, $excluded) === false)
{
foreach($_GET as $k=>$v) {
if (array_search($k, $excluded) === false) {
$v = api_htmlentities(Security::remove_XSS($v));
$output .= ($count>1?'& ':'') . ($k . "=" . $v);
$count++;
}
}
}
return $output;
}
/**
@ -379,18 +372,19 @@ function addNoCacheHeaders() {
return $outputs;
}
/**
* turn to absolute path from relative path
*
* @param string $value
* @return string
*/
function getAbsPath($value) {
if (substr($value, 0, 1) == "/")
return slashToBackslash(DIR_AJAX_ROOT . $value);
return slashToBackslash(dirname(__FILE__) . "/" . $value);
}
/**
* turn to absolute path from relative path
*
* @param string $value
* @return string
*/
function getAbsPath($value) {
if (substr($value, 0, 1) == "/")
return slashToBackslash(DIR_AJAX_ROOT . $value);
return slashToBackslash(dirname(__FILE__) . "/" . $value);
}
/**
* get file/folder base name
@ -411,59 +405,60 @@ function getAbsPath($value) {
}
}
function myRealPath($path) {
function myRealPath($path) {
if(strpos($path, ':/') !== false)
{
return $path;
}
// check if path begins with "/" ie. is absolute
// if it isnt concat with script path
if (strpos($path,"/") !== 0 ) {
$base=dirname($_SERVER['SCRIPT_FILENAME']);
$path=$base."/".$path;
}
// canonicalize
$path=explode('/', $path);
$newpath=array();
for ($i=0; $i< sizeof ( $ path ) ; $ i + + ) {
if ($path[$i]==='' || $path[$i]==='.') continue;
if ($path[$i]==='..') {
array_pop($newpath);
continue;
// check if path begins with "/" ie. is absolute
// if it isnt concat with script path
if (strpos($path,"/") !== 0 ) {
$base=dirname($_SERVER['SCRIPT_FILENAME']);
$path=$base."/".$path;
}
array_push($newpath, $path[$i]);
}
$finalpath="/".implode('/', $newpath);
clearstatcache();
// check then return valid path or filename
if (file_exists($finalpath)) {
return ($finalpath);
// canonicalize
$path=explode('/', $path);
$newpath=array();
for ($i=0; $i< sizeof ( $ path ) ; $ i + + ) {
if ($path[$i]==='' || $path[$i]==='.') continue;
if ($path[$i]==='..') {
array_pop($newpath);
continue;
}
array_push($newpath, $path[$i]);
}
$finalpath="/".implode('/', $newpath);
clearstatcache();
// check then return valid path or filename
if (file_exists($finalpath)) {
return ($finalpath);
}
else return FALSE;
}
else return FALSE;
}
/**
* calcuate realpath for a relative path
*
* @param string $value a relative path
* @return string absolute path of the input
*/
function getRealPath($value)
{
$output = '';
if(($path = realpath($value)) & & $path != $value)
{
$output = $path;
}else
{
$output = myRealPath($value);
}
return $output;
}
/**
* calcuate realpath for a relative path
*
* @param string $value a relative path
* @return string absolute path of the input
*/
function getRealPath($value)
{
$output = '';
if(($path = realpath($value)) & & $path != $value)
{
$output = $path;
}else
{
$output = myRealPath($value);
}
return $output;
}
/**
* get file url
*
@ -1071,19 +1066,14 @@ function getRootPath() {
}
}
function getCurrentFolderPath()
{
$folderPathIndex = 'path';
$lastVisitedFolderPathIndex = 'ajax_last_visited_folder';
if(isset($_GET[$folderPathIndex]) & & file_exists($_GET[$folderPathIndex]) & & !is_file($_GET[$folderPathIndex]) )
{
$currentFolderPath = $_GET[$folderPathIndex];
}
elseif(isset($_SESSION[$lastVisitedFolderPathIndex]) & & file_exists($_SESSION[$lastVisitedFolderPathIndex]) & & !is_file($_SESSION[$lastVisitedFolderPathIndex]))
{
function getCurrentFolderPath() {
$folderPathIndex = 'path';
$lastVisitedFolderPathIndex = 'ajax_last_visited_folder';
if(isset($_GET[$folderPathIndex]) & & file_exists($_GET[$folderPathIndex]) & & !is_file($_GET[$folderPathIndex]) ) {
$currentFolderPath = api_htmlentities(Security::remove_XSS($_GET[$folderPathIndex]));
} elseif(isset($_SESSION[$lastVisitedFolderPathIndex]) & & file_exists($_SESSION[$lastVisitedFolderPathIndex]) & & !is_file($_SESSION[$lastVisitedFolderPathIndex])) {
$currentFolderPath = $_SESSION[$lastVisitedFolderPathIndex];
}else
{
} else {
$currentFolderPath = CONFIG_SYS_DEFAULT_PATH;
}
@ -1097,69 +1087,67 @@ function getRootPath() {
{
die(ERR_FOLDER_NOT_FOUND . $currentFolderPath);
}
}
if(!function_exists("imagerotate"))
{
function imagerotate($src_img, $angle, $bicubic=false)
{
// convert degrees to radians
$angle = (360 - $angle) + 180;
$angle = deg2rad($angle);
$src_x = imagesx($src_img);
$src_y = imagesy($src_img);
$center_x = floor($src_x/2);
$center_y = floor($src_y/2);
$rotate = imagecreatetruecolor($src_x, $src_y);
imagealphablending($rotate, false);
imagesavealpha($rotate, true);
$cosangle = cos($angle);
$sinangle = sin($angle);
for ($y = 0; $y < $src_y; $y++) {
for ($x = 0; $x < $src_x; $x++) {
// rotate...
$old_x = (($center_x-$x) * $cosangle + ($center_y-$y) * $sinangle)
+ $center_x;
$old_y = (($center_y-$y) * $cosangle - ($center_x-$x) * $sinangle)
+ $center_y;
if ( $old_x >= 0 & & $old_x < $src_x
& & $old_y >= 0 & & $old_y < $src_y ) {
if ($bicubic) {
$sY = $old_y + 1;
$siY = $old_y;
$siY2 = $old_y - 1;
$sX = $old_x + 1;
$siX = $old_x;
$siX2 = $old_x - 1;
$c1 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX, $siY2));
$c2 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX, $siY));
$c3 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX2, $siY2));
$c4 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX2, $siY));
$r = ($c1['red'] + $c2['red'] + $c3['red'] + $c4['red'] ) < < 14 ;
$g = ($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) < < 6 ;
$b = ($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue'] ) >> 2;
$a = ($c1['alpha'] + $c2['alpha'] + $c3['alpha'] + $c4['alpha'] ) >> 2;
$color = imagecolorallocatealpha($src_img, $r,$g,$b,$a);
} else {
$color = imagecolorat($src_img, $old_x, $old_y);
}
} else {
// this line sets the background colour
$color = imagecolorallocatealpha($src_img, 255, 255, 255, 127);
}
imagesetpixel($rotate, $x, $y, $color);
}
}
return $rotate;
if(!function_exists("imagerotate")) {
function imagerotate($src_img, $angle, $bicubic=false) {
// convert degrees to radians
$angle = (360 - $angle) + 180;
$angle = deg2rad($angle);
$src_x = imagesx($src_img);
$src_y = imagesy($src_img);
$center_x = floor($src_x/2);
$center_y = floor($src_y/2);
$rotate = imagecreatetruecolor($src_x, $src_y);
imagealphablending($rotate, false);
imagesavealpha($rotate, true);
$cosangle = cos($angle);
$sinangle = sin($angle);
for ($y = 0; $y < $src_y; $y++) {
for ($x = 0; $x < $src_x; $x++) {
// rotate...
$old_x = (($center_x-$x) * $cosangle + ($center_y-$y) * $sinangle)
+ $center_x;
$old_y = (($center_y-$y) * $cosangle - ($center_x-$x) * $sinangle)
+ $center_y;
if ( $old_x >= 0 & & $old_x < $src_x
& & $old_y >= 0 & & $old_y < $src_y ) {
if ($bicubic) {
$sY = $old_y + 1;
$siY = $old_y;
$siY2 = $old_y - 1;
$sX = $old_x + 1;
$siX = $old_x;
$siX2 = $old_x - 1;
$c1 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX, $siY2));
$c2 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX, $siY));
$c3 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX2, $siY2));
$c4 = imagecolorsforindex($src_img, imagecolorat($src_img, $siX2, $siY));
$r = ($c1['red'] + $c2['red'] + $c3['red'] + $c4['red'] ) < < 14 ;
$g = ($c1['green'] + $c2['green'] + $c3['green'] + $c4['green']) < < 6 ;
$b = ($c1['blue'] + $c2['blue'] + $c3['blue'] + $c4['blue'] ) >> 2;
$a = ($c1['alpha'] + $c2['alpha'] + $c3['alpha'] + $c4['alpha'] ) >> 2;
$color = imagecolorallocatealpha($src_img, $r,$g,$b,$a);
} else {
$color = imagecolorat($src_img, $old_x, $old_y);
}
} else {
// this line sets the background colour
$color = imagecolorallocatealpha($src_img, 255, 255, 255, 127);
}
imagesetpixel($rotate, $x, $y, $color);
}
}
return $rotate;
/* $src_x = @imagesx($src_img);
$src_y = @imagesy($src_img);
if ($angle == 180)
@ -1222,40 +1210,39 @@ function getRootPath() {
return $rotate;*/
}
}
/**
* check if a folder is allowed to shown on the search 'look in' list
* @param string $folderName
* @return string
* @author Juan Carlos Raña Trabado
*/
function hideFolderName($folderName)
{
//hidden files and folders deleted by Chamilo. Hidde folders css, hotpotatoes, chat
$deleted_by_chamilo='_DELETED_';
$css_folder_chamilo='css';
$hotpotatoes_folder_chamilo='HotPotatoes_files';
$chat_files_chamilo='chat_files';
$thumbs_folder='.thumbs';
$certificates_chamilo='certificates';
//hidden directory of the group if the user is not a member of the group
$group_folder='_groupdocs';
//show group's directory only if I'm member
$show_doc_group=true;
if(ereg($group_folder, $folderName))
{
$show_doc_group=false;
if($is_user_in_group)
/**
* check if a folder is allowed to shown on the search 'look in' list
* @param string $folderName
* @return string
* @author Juan Carlos Raña Trabado
*/
function hideFolderName($folderName) {
//hidden files and folders deleted by Chamilo. Hidde folders css, hotpotatoes, chat
$deleted_by_chamilo='_DELETED_';
$css_folder_chamilo='css';
$hotpotatoes_folder_chamilo='HotPotatoes_files';
$chat_files_chamilo='chat_files';
$thumbs_folder='.thumbs';
$certificates_chamilo='certificates';
//hidden directory of the group if the user is not a member of the group
$group_folder='_groupdocs';
//show group's directory only if I'm member
$show_doc_group=true;
if(ereg($group_folder, $folderName))
{
$show_doc_group=true;
$show_doc_group=false;
if($is_user_in_group)
{
$show_doc_group=true;
}
}
if(!ereg($deleted_by_chamilo, $folderName) & & !ereg($css_folder_chamilo, $folderName) & & !ereg($hotpotatoes_folder_chamilo, $folderName) & & !ereg($chat_files_chamilo, $folderName) & & !ereg($certificates_chamilo, $folderName) & & !ereg($thumbs_folder, $folderName) & & $show_doc_group==true)
{
return substr($folderName,strpos($folderName, '-'),strlen($folderName)); //hide the firsts numbers
}
}
if(!ereg($deleted_by_chamilo, $folderName) & & !ereg($css_folder_chamilo, $folderName) & & !ereg($hotpotatoes_folder_chamilo, $folderName) & & !ereg($chat_files_chamilo, $folderName) & & !ereg($certificates_chamilo, $folderName) & & !ereg($thumbs_folder, $folderName) & & $show_doc_group==true)
{
return substr($folderName,strpos($folderName, '-'),strlen($folderName)); //hide the firsts numbers
}
}
?>
}
Julio Montoya
15 years ago