/**
* Make a copy of a source Filestore\File into this File.
*
* (Generally only useful internally)
*
* @param Filestore\File $src Source file backend
* @param bool $overwrite true to overwrite existing file
*
* @throws \Exception
* @return bool True or False if succeeded.
*/
public function copyFrom(Filestore\File $src, $overwrite = false) {
// Don't overwrite existing files unless told otherwise...
if (!$overwrite) {
$c = 0;
$ext = $this->getExtension();
$base = $this->getBaseFilename(true);
$dir = dirname($this->_filename);
$prefix = $dir . '/' . $base;
$suffix = (($ext == '') ? '' : '.' . $ext);
$thathash = $src->getHash();
$f = $prefix . $suffix;
while(file_exists($f) && md5_file($f) != $thathash){
$f = $prefix . '-' . ++$c . '' . $suffix;
}
$this->_filename = $f;
}
// And do the actual copy!
// To save memory, try to use as low-level functions as possible.
$localfilename = $src->getLocalFilename();
// I also want to know when this file was modified so I can set the new version to have the same datestamp.
$modifiedtime = $src->getMTime();
$ftp = \Core\ftp();
$tmpdir = TMP_DIR;
if ($tmpdir{0} != '/') $tmpdir = ROOT_PDIR . $tmpdir; // Needs to be fully resolved
// Resolve it from its default.
// This is provided from a config define, (probably).
$mode = (defined('DEFAULT_FILE_PERMS') ? DEFAULT_FILE_PERMS : 0644);
// Make sure the directory exists first!
// This has to be done regardless of FTP mode or not.
self::_Mkdir(dirname($this->_filename), null, true);
if (
!$ftp || // FTP not enabled or
(strpos($this->_filename, $tmpdir) === 0) // Destination is a temporary file.
) {
// Read in only so much data at a time. This is to prevent
// PHP from trying to read a full 2GB file into memory at once :S
$maxbuffer = (1024 * 1024 * 10);
$handlein = fopen($localfilename, 'r');
$handleout = fopen($this->_filename, 'w');
// Couldn't get a lock on both input and output files.
if(!$handlein){
throw new \Exception('Unable to open file ' . $localfilename . ' for reading.');
}
if(!$handleout){
throw new \Exception('Unable to open file ' . $this->_filename . ' for writing.');
}
while(!feof($handlein)){
fwrite($handleout, fread($handlein, $maxbuffer));
}
// yayz
fclose($handlein);
fclose($handleout);
chmod($this->_filename, $mode);
// Don't forget the mtime ;)
touch($this->_filename, $modifiedtime);
return true;
}
else {
// Trim off the ROOT_PDIR since it'll be relative to the ftp root set in the config.
if (strpos($this->_filename, ROOT_PDIR) === 0){
$filename = substr($this->_filename, strlen(ROOT_PDIR));
}
else{
$filename = $this->_filename;
}
// Re-acquire the FTP connection. Core will reset the cwd back to root upon doing this.
// This is required because mkdir may change directories.
$ftp = \Core\ftp();
// FTP requires a filename, not data...
// WELL how bout that! I happen to have a local filename ;)
if (!ftp_put($ftp, $filename, $localfilename, FTP_BINARY)) {
throw new \Exception(error_get_last()['message']);
}
if (!ftp_chmod($ftp, $mode, $filename)){
throw new \Exception(error_get_last()['message']);
}
// woot...
return true;
}
}
/**
* Make a copy of a source Filestore\File into this Filestore\File.
*
* (Generally only useful internally)
*
* @param Filestore\File $src Source file backend
* @param bool $overwrite true to overwrite existing file
*
* @throws \Exception
* @return bool True or False if succeeded.
*/
public function copyFrom(Filestore\File $src, $overwrite = false) {
// Don't overwrite existing files unless told otherwise...
if (!$overwrite) {
$c = 0;
$ext = $this->getExtension();
$base = $this->getBaseFilename(true);
$dir = dirname($this->_filename);
$prefix = $dir . '/' . $base;
$suffix = (($ext == '') ? '' : '.' . $ext);
$thathash = $src->getHash();
$f = $prefix . $suffix;
while(file_exists($f) && md5_file($f) != $thathash){
$f = $prefix . ' (' . ++$c . ')' . $suffix;
}
$this->_filename = $f;
}
// And do the actual copy!
// To save memory, try to use as low-level functions as possible.
$localfilename = $src->getLocalFilename();
$localhash = $src->getHash();
$localmodified = $src->getMTime();
$localsize = $src->getFilesize();
// Resolve it from its default.
// This is provided from a config define, (probably).
$mode = (defined('DEFAULT_FILE_PERMS') ? DEFAULT_FILE_PERMS : 0644);
// Make sure the directory exists first!
$this->_mkdir(dirname($this->_filename), null, true);
// FTP requires a filename, not data...
// WELL how bout that! I happen to have a local filename ;)
if (!ftp_put($this->_ftp->getConn(), $this->_filename, $localfilename, FTP_BINARY)) {
throw new \Exception(error_get_last()['message']);
}
if (!ftp_chmod($this->_ftp->getConn(), $mode, $this->_filename)){
throw new \Exception(error_get_last()['message']);
}
// Don't forget to save the metadata for this file!
$filename = $this->getFilename();
$this->_ftp->setFileHash($filename, $localhash);
$this->_ftp->setFileModified($filename, $localmodified);
$this->_ftp->setFileSize($filename, $localsize);
// woot...
return true;
}
/**
* Get an array of the various resize components from a given dimension set.
* These include: width, height, mode, key.
*
* @param string|int $dimensions
* @param File $file
*
* @return array
*/
function get_resized_key_components($dimensions, $file){
// The legacy support for simply a number.
if (is_numeric($dimensions)) {
$width = $dimensions;
$height = $dimensions;
$mode = '';
}
elseif ($dimensions === null) {
$width = 300;
$height = 300;
$mode = '';
}
elseif($dimensions === false){
$width = false;
$height = false;
$mode = '';
}
else {
// Allow some special modifiers.
if(strpos($dimensions, '^') !== false){
// Fit the smallest dimension instead of the largest, (useful for overflow tricks)
$mode = '^';
$dimensions = str_replace('^', '', $dimensions);
}
elseif(strpos($dimensions, '!') !== false){
// Absolutely resize, regardless of aspect ratio
$mode = '!';
$dimensions = str_replace('!', '', $dimensions);
}
elseif(strpos($dimensions, '>') !== false){
// Only increase images.
$mode = '>';
$dimensions = str_replace('>', '', $dimensions);
}
elseif(strpos($dimensions, '<') !== false){
// Only decrease images.
$mode = '<';
$dimensions = str_replace('<', '', $dimensions);
}
else{
// Default mode
$mode = '';
}
// New method. Split on the "x" and that should give me the width/height.
$vals = explode('x', strtolower($dimensions));
$width = (int)$vals[0];
$height = (int)$vals[1];
}
$ext = $file->getExtension();
// Ensure that an extension is used if none present, (may happen with temporary files).
if(!$ext){
$ext = mimetype_to_extension($file->getMimetype());
}
// The basename is for SEO purposes, that way even resized images still contain the filename.
// The hash is just to ensure that no two files conflict, ie: /public/a/file1.png and /public/b/file1.png
// might conflict without this hash.
// Finally, the width and height dimensions are there just because as well; it gives more of a human
// touch to the file. :p
// Also, keep the original file extension, this way PNGs remain PNGs, GIFs remain GIFs, JPEGs remain JPEGs.
// This is critical particularly when it comes to animated GIFs.
$key = str_replace(' ', '-', $file->getBasename(true)) . '-' . $file->getHash() . '-' . $width . 'x' . $height . $mode . '.' . $ext;
// The directory can be used with the new File backend to create this file in a correctly nested subdirectory.
$dir = dirname($file->getFilename(false)) . '/';
if(substr($dir, 0, 7) == 'public/'){
// Replace the necessary prefix with a more useful one.
// Anything within public/ needs to be remapped to public/tmp
$dir = 'public/tmp/' . substr($dir, 7);
}
else{
// Everything else gets prepended to public/tmp/
// so if the original file is in themes/blah/imgs/blah.jpg,
// it will be copied to public/tmp/blah.jpg
$dir = 'public/tmp/';
}
return array(
'width' => $width,
'height' => $height,
'mode' => $mode,
'key' => $key,
'ext' => $ext,
'dir' => $dir,
);
}
