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<?php |
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/** |
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* @author lukasz chalat |
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* @package midcom.helper.imagepopup |
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* @copyright The Midgard Project, http://www.midgard-project.org |
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* @license http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License |
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*/ |
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/** |
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* This handler get uploaded file and save it in database and write to file. |
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* |
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* @package midcom.helper.imagepopup |
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*/ |
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class midcom_helper_imagepopup_handler_upload extends midcom_baseclasses_components_handler |
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{ |
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public function _handler_upload(array &$data, string $guid = null) |
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{ |
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// Get the file |
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reset($_FILES); |
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$temp = array_shift($_FILES); |
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// Verify file extension |
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if ( is_uploaded_file($temp['tmp_name']) |
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&& !in_array(strtolower(pathinfo($temp['name'], PATHINFO_EXTENSION)), ["gif", "jpg", "png"])) { |
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throw new midcom_error('Invalid extension.'); |
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} |
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// Get the data |
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$temp_name = $temp['tmp_name']; |
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$mimetype = $temp['type']; |
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$parentguid = $guid ?: $this->_topic->guid; |
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// Set modified filename |
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$filename = $this->get_modify_filename($temp['name']); |
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// Insert the image into database |
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$attachment = $this->insert_database($filename, $mimetype, $parentguid); |
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$data['attachment'] = $attachment; |
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// Get target to write the file |
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$target = $this->get_data_from_database($filename, $parentguid); |
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// Write the file |
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$this->write_the_file($temp_name, $target); |
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// Make a response for editor.uploadImages() function |
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$location = midcom_db_attachment::get_url($attachment); |
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$data['location'] = $location; |
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// Return image location as JSON |
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return new midcom_response_json(['location' => $location]); |
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} |
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private function get_modify_filename(string $filename) : string |
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{ |
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$filename = midcom_db_attachment::safe_filename($filename); |
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$pieces = explode('.', $filename); |
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$core = array_shift($pieces); |
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$split = preg_split("/-(\d{4})-(\d{2})-(\d{2})-(\d{2})-(\d{2})-(\d{2})/", $core); |
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$core = array_shift($split); |
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$extension = array_pop($pieces); |
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return $core . "-" . date('Y-m-d-H-i-s', time()) . "." . $extension; |
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} |
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private function get_data_from_database(string $filename, string $parentguid) : midcom_db_attachment |
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{ |
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$query = midcom_db_attachment::new_query_builder(); |
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$query->add_constraint('name', '=', $filename); |
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$query->add_constraint('parentguid', '=', $parentguid); |
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$entry = $query->execute(); |
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if (empty($entry)) { |
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throw new midcom_error_notfound("There is no match in database " . midcom_connection::get_error_string()); |
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} |
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if (count($entry) == 1) { |
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return $entry[0]; |
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} |
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throw new midcom_error('There is more than just one object' . midcom_connection::get_error_string()); |
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} |
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/** |
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* @param string $tmp The temporary location of file |
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* @param midcom_db_attachment $target The final destination for file |
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*/ |
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private function write_the_file(string $tmp, midcom_db_attachment $target) |
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{ |
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$source = fopen($tmp, 'r'); |
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if (!$source) { |
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throw new midcom_error("Could not open file " . $tmp . " for reading."); |
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} |
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$stat = $target->copy_from_handle($source); |
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fclose($source); |
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if (!$stat) { |
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throw new midcom_error('Failed to copy from handle: ' . midcom_connection::get_error_string()); |
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} |
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} |
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private function insert_database(string $filename, string $mimetype, string $parentguid) : midcom_db_attachment |
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{ |
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$attachment = new midcom_db_attachment(); |
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$attachment->name = $filename; |
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$attachment->title = $filename; |
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$attachment->mimetype = $mimetype; |
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$attachment->parentguid = $parentguid; |
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if (!$attachment->create()) { |
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throw new midcom_error('Failed to create derived image: ' . midcom_connection::get_error_string()); |
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} |
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return $attachment; |
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} |
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} |
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flack /
openpsa
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