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                <?php  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * The Wire Attachment.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Attach files to the wire!  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                elgg_register_event_handler('init', 'system', 'thewire_image'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Inits the plugin  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @return void  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                                                    
                                                                                                        
            
            
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                View Code Duplication | 
                function thewire_image() { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	$plugin_root = dirname(__FILE__);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_register_library('thewire_image', "$plugin_root/lib/thewire_image.php"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_register_js('dropzone', 'mod/thewire_images/js/dropzone.js'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_register_css('dropzone', 'mod/thewire_images/css/dropzone.css'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_extend_view('js/elgg', 'js/thewire_image'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_register_event_handler('create', 'object', 'thewire_image_check_attachments'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_register_event_handler('delete', 'object', 'thewire_image_delete_attached_files'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// overrule default save action  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_unregister_action("thewire/add"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_register_action("thewire/add", "$plugin_root/actions/thewire/add.php"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// downloads are served through pages instead of actions so the download link can be shared.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// action tokens prevent sharing action links.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// this means we need to implement our own security in the page handler using gatekeeper().  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_register_page_handler('thewire_image', 'thewire_image_page_handler'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Check for attachments when wire posts are created.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @param type $event  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @param type $type  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @param type $object  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @return type mixed  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                function thewire_image_check_attachments($event, $type, $object) { | 
            
                            
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                	if (!elgg_instanceof($object, 'object', 'thewire')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	$file = elgg_extract('thewire_image_file', $_FILES, null); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	if ($file) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_obj = new TheWireImage();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_obj->setFilename('thewire_image/' . rand()); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_obj->setMimeType($file['type']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_obj->original_filename = $file['name'];  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_obj->simpletype = file_get_simple_type($file['type']);  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_obj->access_id = ACCESS_PUBLIC;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_obj->open("write"); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		$file_obj->write(get_uploaded_file('thewire_image_file')); | 
            
                            
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                		$file_obj->close();  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		if ($file_obj->save()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			$file_obj->addRelationship($object->getGuid(), 'is_attachment');  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		} else { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                			register_error(elgg_echo('thewire_image:could_not_save_image')); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	return null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * The wire attachment page handler  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Supports:  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *	Download an attachment: thewire_image/download/<guid>/<title>  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @param array $page From the page_handler function  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @return bool  | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                 */  | 
            
            
                                                                        
                            
            
                                    
            
            
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                function thewire_image_page_handler($page) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                	gatekeeper();  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	$pages = dirname(__FILE__) . '/pages/thewire_image';  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	$section = elgg_extract(0, $page);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	switch($section) { | 
            
            
                                                                        
                            
            
                                    
            
            
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                		case 'download':  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			$guid = elgg_extract(1, $page);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			set_input('guid', $guid); | 
            
            
                                                                        
                            
            
                                    
            
            
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                			require "$pages/download.php";  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			break;  | 
            
            
                                                                        
                            
            
                                    
            
            
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                		default:  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			// in the future we'll be able to register this as a 404  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			// for now, act like an action and forward away.  | 
            
            
                                                                        
                            
            
                                    
            
            
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                			register_error(elgg_echo('thewire_image:invalid_section')); | 
            
            
                                                                        
                            
            
                                    
            
            
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                			forward(REFERRER);  | 
            
            
                                                                        
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                        
                            
            
                                    
            
            
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                }  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                /**  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * Deletes any attachments when wire posts are deleted.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 *  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @param type $event  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @param type $type  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @param type $object  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 * @return null  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                 */  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                function thewire_image_delete_attached_files($event, $type, $object) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	if (!elgg_instanceof($object, 'object', 'thewire')) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		return null;  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	}  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// we want to use the thewire_image_get_attachments() function,  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	// so load the library.  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	elgg_load_library('thewire_image'); | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	$attachment = thewire_image_get_attachments($object->getGUID());  | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                	if ($attachment && !$attachment->delete()) { | 
            
            
                                                                                                            
                            
            
                                    
            
            
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                		register_error(elgg_echo('thewire_image:could_not_delete')); | 
            
            
                                                                                                            
                                                                
            
                                    
            
            
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                	}  | 
            
            
                                                        
            
                                    
            
            
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                }  | 
            
            
                        
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: