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authorFriendika <info@friendika.com>2011-01-26 00:34:39 -0800
committerFriendika <info@friendika.com>2011-01-26 00:34:39 -0800
commit2fc89deaeae0341aa12b6b811927e793011055d1 (patch)
tree32673c6b92cbe14f88d955de585ce813988ec5fa /addon/js_upload/file-uploader/server/php.php
parentabbd498a8b6c92ddcf211a27dd532f2ec6520fe2 (diff)
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work in progress js_uploader plugin, turn java uploader into plugin - not done yet
Diffstat (limited to 'addon/js_upload/file-uploader/server/php.php')
-rw-r--r--addon/js_upload/file-uploader/server/php.php162
1 files changed, 162 insertions, 0 deletions
diff --git a/addon/js_upload/file-uploader/server/php.php b/addon/js_upload/file-uploader/server/php.php
new file mode 100644
index 000000000..915c86c6e
--- /dev/null
+++ b/addon/js_upload/file-uploader/server/php.php
@@ -0,0 +1,162 @@
+<?php
+
+/**
+ * Handle file uploads via XMLHttpRequest
+ */
+class qqUploadedFileXhr {
+ /**
+ * Save the file to the specified path
+ * @return boolean TRUE on success
+ */
+ function save($path) {
+ $input = fopen("php://input", "r");
+ $temp = tmpfile();
+ $realSize = stream_copy_to_stream($input, $temp);
+ fclose($input);
+
+ if ($realSize != $this->getSize()){
+ return false;
+ }
+
+ $target = fopen($path, "w");
+ fseek($temp, 0, SEEK_SET);
+ stream_copy_to_stream($temp, $target);
+ fclose($target);
+
+ return true;
+ }
+ function getName() {
+ return $_GET['qqfile'];
+ }
+ function getSize() {
+ if (isset($_SERVER["CONTENT_LENGTH"])){
+ return (int)$_SERVER["CONTENT_LENGTH"];
+ } else {
+ throw new Exception('Getting content length is not supported.');
+ }
+ }
+}
+
+/**
+ * Handle file uploads via regular form post (uses the $_FILES array)
+ */
+class qqUploadedFileForm {
+ /**
+ * Save the file to the specified path
+ * @return boolean TRUE on success
+ */
+ function save($path) {
+ if(!move_uploaded_file($_FILES['qqfile']['tmp_name'], $path)){
+ return false;
+ }
+ return true;
+ }
+ function getName() {
+ return $_FILES['qqfile']['name'];
+ }
+ function getSize() {
+ return $_FILES['qqfile']['size'];
+ }
+}
+
+class qqFileUploader {
+ private $allowedExtensions = array();
+ private $sizeLimit = 10485760;
+ private $file;
+
+ function __construct(array $allowedExtensions = array(), $sizeLimit = 10485760){
+ $allowedExtensions = array_map("strtolower", $allowedExtensions);
+
+ $this->allowedExtensions = $allowedExtensions;
+ $this->sizeLimit = $sizeLimit;
+
+ $this->checkServerSettings();
+
+ if (isset($_GET['qqfile'])) {
+ $this->file = new qqUploadedFileXhr();
+ } elseif (isset($_FILES['qqfile'])) {
+ $this->file = new qqUploadedFileForm();
+ } else {
+ $this->file = false;
+ }
+ }
+
+ private function checkServerSettings(){
+ $postSize = $this->toBytes(ini_get('post_max_size'));
+ $uploadSize = $this->toBytes(ini_get('upload_max_filesize'));
+
+ if ($postSize < $this->sizeLimit || $uploadSize < $this->sizeLimit){
+ $size = max(1, $this->sizeLimit / 1024 / 1024) . 'M';
+ die("{'error':'increase post_max_size and upload_max_filesize to $size'}");
+ }
+ }
+
+ private function toBytes($str){
+ $val = trim($str);
+ $last = strtolower($str[strlen($str)-1]);
+ switch($last) {
+ case 'g': $val *= 1024;
+ case 'm': $val *= 1024;
+ case 'k': $val *= 1024;
+ }
+ return $val;
+ }
+
+ /**
+ * Returns array('success'=>true) or array('error'=>'error message')
+ */
+ function handleUpload($uploadDirectory, $replaceOldFile = FALSE){
+ if (!is_writable($uploadDirectory)){
+ return array('error' => "Server error. Upload directory isn't writable.");
+ }
+
+ if (!$this->file){
+ return array('error' => 'No files were uploaded.');
+ }
+
+ $size = $this->file->getSize();
+
+ if ($size == 0) {
+ return array('error' => 'File is empty');
+ }
+
+ if ($size > $this->sizeLimit) {
+ return array('error' => 'File is too large');
+ }
+
+ $pathinfo = pathinfo($this->file->getName());
+ $filename = $pathinfo['filename'];
+ //$filename = md5(uniqid());
+ $ext = $pathinfo['extension'];
+
+ if($this->allowedExtensions && !in_array(strtolower($ext), $this->allowedExtensions)){
+ $these = implode(', ', $this->allowedExtensions);
+ return array('error' => 'File has an invalid extension, it should be one of '. $these . '.');
+ }
+
+ if(!$replaceOldFile){
+ /// don't overwrite previous files that were uploaded
+ while (file_exists($uploadDirectory . $filename . '.' . $ext)) {
+ $filename .= rand(10, 99);
+ }
+ }
+
+ if ($this->file->save($uploadDirectory . $filename . '.' . $ext)){
+ return array('success'=>true);
+ } else {
+ return array('error'=> 'Could not save uploaded file.' .
+ 'The upload was cancelled, or server error encountered');
+ }
+
+ }
+}
+
+// list of valid extensions, ex. array("jpeg", "xml", "bmp")
+$allowedExtensions = array();
+// max file size in bytes
+$sizeLimit = 10 * 1024 * 1024;
+
+$uploader = new qqFileUploader($allowedExtensions, $sizeLimit);
+$result = $uploader->handleUpload('uploads/');
+// to pass data through iframe you will need to encode all html tags
+echo htmlspecialchars(json_encode($result), ENT_NOQUOTES);