header('HTTP/1.0 ' . $data['status'] . ' ' . $data['statusmessage']);
}
// die on errors
if ($data['status'] > 203) {
print $data['statusmessage'];
exit;
}
}
$evt->advise_after();
unset($evt);
//handle image resizing/cropping
if (substr($MIME, 0, 5) == 'image' && $WIDTH) {
if ($HEIGHT) {
$data['file'] = $FILE = media_crop_image($data['file'], $EXT, $WIDTH, $HEIGHT);
} else {
$data['file'] = $FILE = media_resize_image($data['file'], $EXT, $WIDTH, $HEIGHT);
}
}
// finally send the file to the client
$evt = new Doku_Event('MEDIA_SENDFILE', $data);
if ($evt->advise_before()) {
sendFile($data['file'], $data['mime'], $data['download'], $data['cache']);
}
// Do something after the download finished.
$evt->advise_after();
/* ------------------------------------------------------------------------ */
/**
* Set headers and send the file to the client
*
* @author Andreas Gohr <*****@*****.**>
* @author Ben Coburn <*****@*****.**>
/**
* Override the mpdf _getImage function
*
* This function takes care of gathering the image data from HTTP or
* local files before passing the data back to mpdf's original function
* making sure that only cached file paths are passed to mpdf. It also
* takes care of checking image ACls.
*/
function _getImage(&$file, $firsttime = true, $allowvector = true, $orig_srcpath = false)
{
global $conf;
// build regex to parse URL back to media info
$re = preg_quote(ml('xxx123yyy', '', true, '&', true), '/');
$re = str_replace('xxx123yyy', '([^&\\?]*)', $re);
// extract the real media from a fetch.php uri and determine mime
if (preg_match("/^{$re}/", $file, $m) || preg_match('/[&\\?]media=([^&\\?]*)/', $file, $m)) {
$media = rawurldecode($m[1]);
list($ext, $mime) = mimetype($media);
} else {
list($ext, $mime) = mimetype($file);
}
// local files
$local = '';
if (substr($file, 0, 9) == 'dw2pdf://') {
// support local files passed from plugins
$local = substr($file, 9);
} elseif (!preg_match('/(\\.php|\\?)/', $file)) {
$re = preg_quote(DOKU_URL, '/');
// directly access local files instead of using HTTP, skip dynamic content
$local = preg_replace("/^{$re}/i", DOKU_INC, $file);
}
if (substr($mime, 0, 6) == 'image/') {
if (!empty($media)) {
// any size restrictions?
$w = $h = 0;
if (preg_match('/[\\?&]w=(\\d+)/', $file, $m)) {
$w = $m[1];
}
if (preg_match('/[\\?&]h=(\\d+)/', $file, $m)) {
$h = $m[1];
}
if (media_isexternal($media)) {
$local = media_get_from_URL($media, $ext, -1);
if (!$local) {
$local = $media;
}
// let mpdf try again
} else {
$media = cleanID($media);
//check permissions (namespace only)
if (auth_quickaclcheck(getNS($media) . ':X') < AUTH_READ) {
$file = '';
}
$local = mediaFN($media);
}
//handle image resizing/cropping
if ($w && file_exists($local)) {
if ($h) {
$local = media_crop_image($local, $ext, $w, $h);
} else {
$local = media_resize_image($local, $ext, $w, $h);
}
}
} elseif (media_isexternal($file)) {
// fixed external URLs
$local = media_get_from_URL($file, $ext, $conf['cachetime']);
}
if ($local) {
$file = $local;
$orig_srcpath = $local;
}
}
return parent::_getImage($file, $firsttime, $allowvector, $orig_srcpath);
}
/**
* Return path to the rendered image on our local system
* Note this is also called by img.php
*/
function _imgfile($data)
{
$cache = $this->_cachename($data, 'png');
// create the file if needed
if (!file_exists($cache)) {
$in = $this->_cachename($data, 'txt');
if ($this->getConf('render_local') == '0' && $this->getConf('remote_url')) {
$ok = $this->_remote($data, $in, $cache);
} else {
if ($this->getConf('render_local') == '1' && $this->getConf('java')) {
$ok = $this->_local($data, $in, $cache);
} else {
return false;
}
}
if (!$ok) {
return false;
}
clearstatcache();
}
if ($data['width'] && $data['percent'] != '%') {
$cache = media_resize_image($cache, 'png', $data['width'], $data['height']);
}
return file_exists($cache) ? $cache : false;
}
/**
* Return path to the rendered image on our local system
*/
function _imgfile($id, $data, $secondTry = false)
{
$cache = $this->_cachename($data, 'png');
// create the file if needed
if (!file_exists($cache)) {
$in = $this->_cachename($data, 'txt');
// If this is nt yet here, force geting instructions and writing the thing back.
if ($secondTry != true && !file_exists($in)) {
p_get_instructions(io_readFile(wikiFN($id)));
return $this->_imgfile($id, $data, true);
}
if ($this->getConf('java')) {
$ok = $this->_run($data, $in, $cache);
} else {
$ok = $this->_remote($data, $in, $cache);
}
if (!$ok) {
return false;
}
clearstatcache();
}
// resized version
if ($data['width']) {
$cache = media_resize_image($cache, 'png', $data['width'], $data['height']);
}
// something went wrong, we're missing the file
if (!file_exists($cache)) {
return false;
}
return $cache;
}
/**
* Crops the given image to the wanted ratio, then calls media_resize_image to scale it
* to the wanted size
*
* Crops are centered horizontally but prefer the upper third of an vertical
* image because most pics are more interesting in that area (rule of thirds)
*
* @author Andreas Gohr <*****@*****.**>
*/
function media_crop_image($file, $ext, $w, $h = 0)
{
global $conf;
if (!$h) {
$h = $w;
}
$info = @getimagesize($file);
//get original size
if ($info == false) {
return $file;
}
// that's no image - it's a spaceship!
// calculate crop size
$fr = $info[0] / $info[1];
$tr = $w / $h;
if ($tr >= 1) {
if ($tr > $fr) {
$cw = $info[0];
$ch = (int) $info[0] / $tr;
} else {
$cw = (int) $info[1] * $tr;
$ch = $info[1];
}
} else {
if ($tr < $fr) {
$cw = (int) $info[1] * $tr;
$ch = $info[1];
} else {
$cw = $info[0];
$ch = (int) $info[0] / $tr;
}
}
// calculate crop offset
$cx = (int) ($info[0] - $cw) / 2;
$cy = (int) ($info[1] - $ch) / 3;
//cache
$local = getCacheName($file, '.media.' . $cw . 'x' . $ch . '.crop.' . $ext);
$mtime = @filemtime($local);
// 0 if not exists
if ($mtime > @filemtime($file) || media_crop_imageIM($ext, $file, $info[0], $info[1], $local, $cw, $ch, $cx, $cy) || media_resize_imageGD($ext, $file, $cw, $ch, $local, $cw, $ch, $cx, $cy)) {
if ($conf['fperm']) {
chmod($local, $conf['fperm']);
}
return media_resize_image($local, $ext, $w, $h);
}
//still here? cropping failed
return media_resize_image($file, $ext, $w, $h);
}
/**
* Crops the given image to the wanted ratio, then calls media_resize_image to scale it
* to the wanted size
*
* Crops are centered horizontally but prefer the upper third of an vertical
* image because most pics are more interesting in that area (rule of thirds)
*
* @author Andreas Gohr <*****@*****.**>
*/
function media_crop_image($file, $ext, $w, $h = 0)
{
global $conf;
if (!$h) {
$h = $w;
}
$info = @getimagesize($file);
//get original size
if ($info == false) {
return $file;
}
// that's no image - it's a spaceship!
// calculate crop size
$fr = $info[0] / $info[1];
$tr = $w / $h;
// check if the crop can be handled completely by resize,
// i.e. the specified width & height match the aspect ratio of the source image
if ($w == round($h * $fr)) {
return media_resize_image($file, $ext, $w);
}
if ($tr >= 1) {
if ($tr > $fr) {
$cw = $info[0];
$ch = (int) ($info[0] / $tr);
} else {
$cw = (int) ($info[1] * $tr);
$ch = $info[1];
}
} else {
if ($tr < $fr) {
$cw = (int) ($info[1] * $tr);
$ch = $info[1];
} else {
$cw = $info[0];
$ch = (int) ($info[0] / $tr);
}
}
// calculate crop offset
$cx = (int) (($info[0] - $cw) / 2);
$cy = (int) (($info[1] - $ch) / 3);
//cache
$local = getCacheName($file, '.media.' . $cw . 'x' . $ch . '.crop.' . $ext);
$mtime = @filemtime($local);
// 0 if not exists
if ($mtime > @filemtime($file) || media_crop_imageIM($ext, $file, $info[0], $info[1], $local, $cw, $ch, $cx, $cy) || media_resize_imageGD($ext, $file, $cw, $ch, $local, $cw, $ch, $cx, $cy)) {
if (!empty($conf['fperm'])) {
@chmod($local, $conf['fperm']);
}
return media_resize_image($local, $ext, $w, $h);
}
//still here? cropping failed
return media_resize_image($file, $ext, $w, $h);
}
/**
* Return path to the rendered image on our local system
*
* @param string $md5 MD5 of the input data, used to identify the cache files
* @return false|string path to file or fals on error
*/
public function _imgfile($md5)
{
$file_cfg = getCacheName($md5, '.ditaa.cfg');
// configs
$file_txt = getCacheName($md5, '.ditaa.txt');
// input
$file_png = getCacheName($md5, '.ditaa.png');
// ouput
if (!file_exists($file_cfg) || !file_exists($file_txt)) {
return false;
}
$data = unserialize(io_readFile($file_cfg, false));
// file does not exist or is outdated
if (@filemtime($file_png) < filemtime($file_cfg)) {
if ($this->getConf('java')) {
$ok = $this->_runJava($data, $file_txt, $file_png);
} else {
$ok = $this->_runGo($data, $file_txt, $file_png);
#$ok = $this->_remote($data, $in, $cache);
}
if (!$ok) {
return false;
}
clearstatcache($file_png);
}
// resized version
if ($data['width']) {
$file_png = media_resize_image($file_png, 'png', $data['width'], $data['height']);
}
// something went wrong, we're missing the file
if (!file_exists($file_png)) {
return false;
}
return $file_png;
}
/**
* Return path to the rendered image on our local system
*/
function _imgfile($data)
{
$cache = $this->_cachename($data, 'png');
// create the file if needed
if (!file_exists($cache)) {
$in = $this->_cachename($data, 'txt');
if ($this->getConf('path')) {
$ok = $this->_run($data, $in, $cache);
} else {
$ok = $this->_remote($data, $in, $cache);
}
if (!$ok) {
return false;
}
clearstatcache();
}
// resized version
if ($data['width']) {
$cache = media_resize_image($cache, 'png', $data['width'], $data['height']);
}
// something went wrong, we're missing the file
if (!file_exists($cache)) {
return false;
}
return $cache;
}
$FILE = mediaFN($MEDIA);
}
//check file existance
if (!@file_exists($FILE)) {
header("HTTP/1.0 404 Not Found");
//FIXME add some default broken image
print 'Not Found';
exit;
}
$ORIG = $FILE;
//handle image resizing/cropping
if (substr($MIME, 0, 5) == 'image' && $WIDTH) {
if ($HEIGHT) {
$FILE = media_crop_image($FILE, $EXT, $WIDTH, $HEIGHT);
} else {
$FILE = media_resize_image($FILE, $EXT, $WIDTH, $HEIGHT);
}
}
// finally send the file to the client
$data = array('file' => $FILE, 'mime' => $MIME, 'download' => $DL, 'cache' => $CACHE, 'orig' => $ORIG, 'ext' => $EXT, 'width' => $WIDTH, 'height' => $HEIGHT);
$evt = new Doku_Event('MEDIA_SENDFILE', $data);
if ($evt->advise_before()) {
sendFile($data['file'], $data['mime'], $data['download'], $data['cache']);
}
/* ------------------------------------------------------------------------ */
/**
* Set headers and send the file to the client
*
* @author Andreas Gohr <*****@*****.**>
* @author Ben Coburn <*****@*****.**>
*/
/**
* Crops the given image to the wanted ratio, then calls media_resize_image to scale it
* to the wanted size
*
* Crops are centered horizontally but prefer the upper third of an vertical
* image because most pics are more interesting in that area (rule of thirds)
*
* @author Andreas Gohr <*****@*****.**>
*/
function media_crop_image($file, $ext, $w, $h = 0)
{
global $conf;
if (!$h) {
$h = $w;
}
$info = @getimagesize($file);
//get original size
if ($info == false) {
return $file;
}
// that's no image - it's a spaceship!
if ($conf['syslog']) {
syslog(LOG_WARNING, '[media.php] media_crop_image: ' . $file . ', size: ' . $info[0] . 'x' . $info[1] . ', resize to:' . $w . 'x' . $h);
}
// calculate crop size
$fr = $info[0] / $info[1];
$tr = $w / $h;
// check if the crop can be handled completely by resize,
// i.e. the specified width & height match the aspect ratio of the source image
// check rounding for either width or height to avoid cropping for portrait photos
if ($w == round($h * $fr) || $h == round($w / $fr)) {
if ($conf['syslog']) {
syslog(LOG_WARNING, '[media.php] media_crop_image: use media_resize_image instead: ' . $file . ', width: ' . $w);
}
return media_resize_image($file, $ext, $w);
}
if ($conf['syslog']) {
syslog(LOG_WARNING, '[media.php] media_crop_image: resize is not possible and we are doing crop now');
}
if ($conf['syslog']) {
syslog(LOG_WARNING, '[media.php] media_crop_image: fr: ' . $fr . ' tr: ' . $tr . ' round w: ' . round($h * $fr)) . ' round h:' . round($w / $fr);
}
if ($tr >= 1) {
if ($tr > $fr) {
$cw = $info[0];
$ch = (int) ($info[0] / $tr);
} else {
$cw = (int) ($info[1] * $tr);
$ch = $info[1];
}
} else {
if ($tr < $fr) {
$cw = (int) ($info[1] * $tr);
$ch = $info[1];
} else {
$cw = $info[0];
$ch = (int) ($info[0] / $tr);
}
}
// calculate crop offset
$cx = (int) (($info[0] - $cw) / 2);
$cy = (int) (($info[1] - $ch) / 3);
//cache
$local = getCacheName($file, '.media.' . $cw . 'x' . $ch . '.crop.' . $ext);
$mtime = @filemtime($local);
// 0 if not exists
if ($mtime > @filemtime($file) || media_crop_imageIM($ext, $file, $info[0], $info[1], $local, $cw, $ch, $cx, $cy) || media_resize_imageGD($ext, $file, $cw, $ch, $local, $cw, $ch, $cx, $cy)) {
if (!empty($conf['fperm'])) {
@chmod($local, $conf['fperm']);
}
return media_resize_image($local, $ext, $w, $h);
}
//still here? cropping failed
return media_resize_image($file, $ext, $w, $h);
}
/**
* Return path to the rendered image on our local system
*/
function _imgfile($data)
{
$txt_data = $data;
unset($txt_data['layer_n']);
unset($txt_data['layer_cur']);
if (isset($data['layer_n']) && isset($data['layer_cur']) && $data['layer_cur'] >= 0 && $data['layer_cur'] < $data['layer_n']) {
$cache = $this->_cachename($data, sprintf("%d.png", $data['layer_cur']));
} else {
$cache = $this->_cachename($data, 'png');
}
// create the file if needed
if (!file_exists($cache)) {
$in = $this->_cachename($txt_data, 'txt');
if ($this->getConf('path')) {
$ok = $this->_run($data, $in, $cache);
} else {
$ok = $this->_remote($data, $in, $cache);
}
if (!$ok) {
return false;
}
clearstatcache();
}
// resized version
if ($data['width']) {
$cache = media_resize_image($cache, 'png', $data['width'], $data['height']);
}
// something went wrong, we're missing the file
if (!file_exists($cache)) {
return false;
}
return $cache;
}
