/**
* @group internet
* @group slow
*/
public function test_recache()
{
global $conf;
$conf['fetchsize'] = 500 * 1024;
//500kb
$local = media_get_from_URL('http://www.google.com/images/srpr/logo3w.png', 'png', 5);
$this->assertTrue($local !== false);
$this->assertFileExists($local);
// remember time stamp
$time = filemtime($local);
clearstatcache(false, $local);
sleep(1);
// fetch again and make sure we got a cache file
$local = media_get_from_URL('http://www.google.com/images/srpr/logo3w.png', 'png', 5);
clearstatcache(false, $local);
$this->assertTrue($local !== false);
$this->assertFileExists($local);
$this->assertEquals($time, filemtime($local));
clearstatcache(false, $local);
sleep(6);
// fetch again and make sure we got a new file
$local = media_get_from_URL('http://www.google.com/images/srpr/logo3w.png', 'png', 5);
clearstatcache(false, $local);
$this->assertTrue($local !== false);
$this->assertFileExists($local);
$this->assertNotEquals($time, filemtime($local));
unlink($local);
}
/**
* 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);
}
/**
* Check for media for preconditions and return correct status code
*
* READ: MEDIA, MIME, EXT, CACHE
* WRITE: MEDIA, FILE, array( STATUS, STATUSMESSAGE )
*
* @author Gerry Weissbach <*****@*****.**>
*
* @param string $media reference to the media id
* @param string $file reference to the file variable
* @param string $rev
* @param int $width
* @param int $height
* @return array as array(STATUS, STATUSMESSAGE)
*/
function checkFileStatus(&$media, &$file, $rev = '', $width = 0, $height = 0)
{
global $MIME, $EXT, $CACHE, $INPUT;
//media to local file
if (media_isexternal($media)) {
//check token for external image and additional for resized and cached images
if (media_get_token($media, $width, $height) !== $INPUT->str('tok')) {
return array(412, 'Precondition Failed');
}
//handle external images
if (strncmp($MIME, 'image/', 6) == 0) {
$file = media_get_from_URL($media, $EXT, $CACHE);
}
if (!$file) {
//download failed - redirect to original URL
return array(302, $media);
}
} else {
$media = cleanID($media);
if (empty($media)) {
return array(400, 'Bad request');
}
// check token for resized images
if (($width || $height) && media_get_token($media, $width, $height) !== $INPUT->str('tok')) {
return array(412, 'Precondition Failed');
}
//check permissions (namespace only)
if (auth_quickaclcheck(getNS($media) . ':X') < AUTH_READ) {
return array(403, 'Forbidden');
}
$file = mediaFN($media, $rev);
}
//check file existance
if (!file_exists($file)) {
return array(404, 'Not Found');
}
return array(200, null);
}
/**
* Check for media for preconditions and return correct status code
*
* READ: MEDIA, MIME, EXT, CACHE
* WRITE: MEDIA, FILE, array( STATUS, STATUSMESSAGE )
*
* @author Gerry Weissbach <*****@*****.**>
* @param $media reference to the media id
* @param $file reference to the file variable
* @returns array(STATUS, STATUSMESSAGE)
*/
function checkFileStatus(&$media, &$file)
{
global $MIME, $EXT, $CACHE;
//media to local file
if (preg_match('#^(https?)://#i', $media)) {
//check hash
if (substr(md5(auth_cookiesalt() . $media), 0, 6) != $_REQUEST['hash']) {
return array(412, 'Precondition Failed');
}
//handle external images
if (strncmp($MIME, 'image/', 6) == 0) {
$file = media_get_from_URL($media, $EXT, $CACHE);
}
if (!$file) {
//download failed - redirect to original URL
return array(302, $media);
}
} else {
$media = cleanID($media);
if (empty($media)) {
return array(400, 'Bad request');
}
//check permissions (namespace only)
if (auth_quickaclcheck(getNS($media) . ':X') < AUTH_READ) {
return array(403, 'Forbidden');
}
$file = mediaFN($media);
}
//check file existance
if (!@file_exists($file)) {
return array(404, 'Not Found');
}
return array(200, null);
}
if ($EXT === false) {
$EXT = 'unknown';
$MIME = 'application/octet-stream';
$DL = true;
}
//media to local file
if (preg_match('#^(https?)://#i', $MEDIA)) {
//check hash
if (substr(md5(auth_cookiesalt() . $MEDIA), 0, 6) != $_REQUEST['hash']) {
header("HTTP/1.0 412 Precondition Failed");
print 'Precondition Failed';
exit;
}
//handle external images
if (strncmp($MIME, 'image/', 6) == 0) {
$FILE = media_get_from_URL($MEDIA, $EXT, $CACHE);
}
if (!$FILE) {
//download failed - redirect to original URL
header('Location: ' . $MEDIA);
exit;
}
} else {
$MEDIA = cleanID($MEDIA);
if (empty($MEDIA)) {
header("HTTP/1.0 400 Bad Request");
print 'Bad request';
exit;
}
//check permissions (namespace only)
if (auth_quickaclcheck(getNS($MEDIA) . ':X') < AUTH_READ) {
