diff options
Diffstat (limited to 'engine/lib/filestore.php')
| -rw-r--r-- | engine/lib/filestore.php | 160 |
1 files changed, 95 insertions, 65 deletions
diff --git a/engine/lib/filestore.php b/engine/lib/filestore.php index a509d1a8f..6dfa8073f 100644 --- a/engine/lib/filestore.php +++ b/engine/lib/filestore.php @@ -95,6 +95,13 @@ abstract public function getFileSize(ElggFile $file); /** + * Return the filename of a given file as stored on the filestore. + * + * @param ElggFile $file + */ + abstract public function getFilenameOnFilestore(ElggFile $file); + + /** * Get the filestore's creation parameters as an associative array. * Used for serialisation and for storing the creation details along side a file object. * @@ -138,7 +145,7 @@ public function open(ElggFile $file, $mode) { - $fullname = $this->get_systempath_from_file($file); + $fullname = $this->getFilenameOnFilestore($file); // Split into path and name $ls = strrpos($fullname,"/"); @@ -181,7 +188,7 @@ public function delete(ElggFile $file) { - $unlink = unlink($this->get_systempath_from_file($file)); + $unlink = unlink($this->getFilenameOnFilestore($file)); if ($unlink) return $file->delete(); @@ -205,7 +212,18 @@ public function getFileSize(ElggFile $file) { - return filesize($this->get_systempath_from_file($file)); + return filesize($this->getFilenameOnFilestore($file)); + } + + public function getFilenameOnFilestore(ElggFile $file) + { + $owner = $file->getOwnerEntity(); + if (!$owner) + $owner = $_SESSION['user']; + + if ((!$owner) || (!$owner->username)) throw InvalidParameterException("All files must have an owner!"); + + return $this->dir_root . $this->make_file_matrix($owner->username) . $file->getFilename(); } /** @@ -242,17 +260,6 @@ return $matrix.$filename."/"; } - protected function get_systempath_from_file(ElggFile $file) - { - $owner = $file->getOwnerEntity(); - if (!$owner) - $owner = $_SESSION['user']; - - if ((!$owner) || (!$owner->username)) throw InvalidParameterException("All files must have an owner!"); - - return $this->dir_root . $this->make_file_matrix($owner->username) . $file->getFilename(); - } - public function getParameters() { return array("dir_root" => $this->dir_root); @@ -323,6 +330,12 @@ public function getFilename() { return $this->filename; } /** + * Return the filename of this file as it is/will be stored on the filestore, which may be different + * to the filename. + */ + public function getFilenameOnFilestore() { return $this->filestore->getFilenameOnFilestore($this); } + + /** * Get the mime type of the file. */ public function getMimeType() @@ -579,57 +592,74 @@ function get_resized_image_from_uploaded_file($input_name, $maxwidth, $maxheight) {
// If our file exists ...
if (isset($_FILES[$input_name]) && $_FILES[$input_name]['error'] == 0) {
-
- // Get the size information from the image
- if ($imgsizearray = getimagesize($_FILES[$input_name]['tmp_name'])) {
-
- // Get the contents of the file
- $filecontents = file_get_contents($_FILES[$input_name]['tmp_name']);
-
- // Get width and height
- $width = $imgsizearray[0];
- $height = $imgsizearray[1];
- $newwidth = $width;
- $newheight = $height;
-
- if ($width > $maxwidth) {
- $newheight = floor($height * ($maxwidth / $width));
- $newwidth = $maxwidth;
- }
- if ($newheight > $maxheight) {
- $newwidth = floor($newwidth * ($maxheight / $newheight));
- $newheight = $maxheight;
- }
-
- $accepted_formats = array(
- 'image/jpeg' => 'jpeg',
- 'image/png' => 'png',
- 'image/gif' => 'png'
- );
-
- // If it's a file we can manipulate ...
- if (array_key_exists($imgsizearray['mime'],$accepted_formats)) {
-
- $function = "imagecreatefrom" . $accepted_formats[$imgsizearray['mime']];
- $newimage = imagecreatetruecolor($newwidth,$newheight);
- if (is_callable($function) && $oldimage = $function($_FILES[$input_name]['tmp_name'])) {
-
- // Resize and return the image contents!
- imagecopyresampled($newimage, $oldimage, 0,0,0,0,$newwidth,$newheight,$width,$height);
- // imagecopyresized($newimage, $oldimage, 0,0,0,0,$newwidth,$newheight,$width,$height);
- ob_start();
- imagejpeg($newimage, null, 90);
- $jpeg = ob_get_clean();
- return $jpeg;
-
- }
-
- }
-
- }
-
- }
- return false;
+ + return get_resized_image_from_existing_file($_FILES[$input_name]['tmp_name'], $maxwidth, $maxheight); + + } + + return false; + } + + /** + * Gets the jpeg contents of the resized version of an already uploaded image + * (Returns false if the uploaded file was not an image) + * + * @param string $input_name The name of the file input field on the submission form + * @param int $maxwidth The maximum width of the resized image + * @param int $maxheight The maximum height of the resized image + * @return false|mixed The contents of the resized image, or false on failure + */ + function get_resized_image_from_existing_file($input_name, $maxwidth, $maxheight) { + + // Get the size information from the image + if ($imgsizearray = getimagesize($input_name)) { + + // Get the contents of the file + $filecontents = file_get_contents($input_name); + + // Get width and height + $width = $imgsizearray[0]; + $height = $imgsizearray[1]; + $newwidth = $width; + $newheight = $height; + + if ($width > $maxwidth) { + $newheight = floor($height * ($maxwidth / $width)); + $newwidth = $maxwidth; + } + if ($newheight > $maxheight) { + $newwidth = floor($newwidth * ($maxheight / $newheight)); + $newheight = $maxheight; + } + + $accepted_formats = array( + 'image/jpeg' => 'jpeg', + 'image/png' => 'png', + 'image/gif' => 'png' + ); + + // If it's a file we can manipulate ... + if (array_key_exists($imgsizearray['mime'],$accepted_formats)) { + + $function = "imagecreatefrom" . $accepted_formats[$imgsizearray['mime']]; + $newimage = imagecreatetruecolor($newwidth,$newheight); + if (is_callable($function) && $oldimage = $function($input_name)) { + + // Resize and return the image contents! + imagecopyresampled($newimage, $oldimage, 0,0,0,0,$newwidth,$newheight,$width,$height); + // imagecopyresized($newimage, $oldimage, 0,0,0,0,$newwidth,$newheight,$width,$height); + ob_start(); + imagejpeg($newimage, null, 90); + $jpeg = ob_get_clean(); + return $jpeg; + + } + + } + + } + + return false; }
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