486 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			486 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| /*
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|  * Name: Cron Uploader
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|  * Authors: YaoiFox <admin@yaoifox.com>, Matthew Barbour <matthew@darkholme.net>
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|  * Link: http://www.yaoifox.com/
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|  * License: GPLv2
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|  * Description: Uploads images automatically using Cron Jobs
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|  * Documentation: Installation guide: activate this extension and navigate to www.yoursite.com/cron_upload
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|  */
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| 
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| class CronUploader extends Extension
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| {
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|     // TODO: Checkbox option to only allow localhost + a list of additional IP adresses that can be set in /cron_upload
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|     // TODO: Change logging to MySQL + display log at /cron_upload
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|     // TODO: Move stuff to theme.php
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| 
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|     const QUEUE_DIR = "queue";
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|     const UPLOADED_DIR = "uploaded";
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|     const FAILED_DIR = "failed_to_upload";
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| 
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|     const CONFIG_KEY = "cron_uploader_key";
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|     const CONFIG_COUNT = "cron_uploader_count";
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|     const CONFIG_DIR = "cron_uploader_dir";
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| 
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|     /**
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|      * Lists all log events this session
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|      * @var string
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|      */
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|     private $upload_info = "";
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| 
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|     /**
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|      * Lists all files & info required to upload.
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|      * @var array
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|      */
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|     private $image_queue = [];
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| 
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|     /**
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|      * Cron Uploader root directory
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|      * @var string
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|      */
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|     private $root_dir = "";
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| 
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|     /**
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|      * Key used to identify uploader
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|      * @var string
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|      */
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|     private $upload_key = "";
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| 
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|     /**
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|      * Checks if the cron upload page has been accessed
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|      * and initializes the upload.
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|      */
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|     public function onPageRequest(PageRequestEvent $event)
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|     {
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|         global $config, $user;
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| 
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|         if ($event->page_matches("cron_upload")) {
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|             $this->upload_key = $config->get_string(self::CONFIG_KEY, "");
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| 
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|             // If the key is in the url, upload
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|             if ($this->upload_key != "" && $event->get_arg(0) == $this->upload_key) {
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|                 // log in as admin
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|                 $this->set_dir();
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| 
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|                 $lockfile = fopen($this->root_dir . "/.lock", "w");
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|                 if (!flock($lockfile, LOCK_EX | LOCK_NB)) {
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|                     throw new Exception("Cron upload process is already running");
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|                 }
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|                 try {
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|                     $this->process_upload(); // Start upload
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|                 } finally {
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|                     flock($lockfile, LOCK_UN);
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|                     fclose($lockfile);
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|                 }
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|             } elseif ($user->is_admin()) {
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|                 $this->set_dir();
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|                 $this->display_documentation();
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|             }
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|         }
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|     }
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| 
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|     private function display_documentation()
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|     {
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|         global $page;
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|         $this->set_dir(); // Determines path to cron_uploader_dir
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| 
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| 
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|         $queue_dir = $this->root_dir . "/" . self::QUEUE_DIR;
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|         $uploaded_dir = $this->root_dir . "/" . self::UPLOADED_DIR;
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|         $failed_dir = $this->root_dir . "/" . self::FAILED_DIR;
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| 
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|         $queue_dirinfo = $this->scan_dir($queue_dir);
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|         $uploaded_dirinfo = $this->scan_dir($uploaded_dir);
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|         $failed_dirinfo = $this->scan_dir($failed_dir);
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| 
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|         $cron_url = make_http(make_link("/cron_upload/" . $this->upload_key));
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|         $cron_cmd = "curl --silent $cron_url";
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|         $log_path = $this->root_dir . "/uploads.log";
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| 
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|         $info_html = "<b>Information</b>
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| 			<br>
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| 			<table style='width:470px;'>
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| 			<tr>
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| 			<td style='width:90px;'><b>Directory</b></td>
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| 			<td style='width:90px;'><b>Files</b></td>
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| 			<td style='width:90px;'><b>Size (MB)</b></td>
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| 			<td style='width:200px;'><b>Directory Path</b></td>
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| 			</tr><tr>
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| 			<td>Queue</td>
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| 			<td>{$queue_dirinfo['total_files']}</td>
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| 			<td>{$queue_dirinfo['total_mb']}</td>
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| 			<td><input type='text' style='width:150px;' value='$queue_dir'></td>
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| 			</tr><tr>
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| 			<td>Uploaded</td>
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| 			<td>{$uploaded_dirinfo['total_files']}</td>
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| 			<td>{$uploaded_dirinfo['total_mb']}</td>
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| 			<td><input type='text' style='width:150px;' value='$uploaded_dir'></td>
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| 			</tr><tr>
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| 			<td>Failed</td>
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| 			<td>{$failed_dirinfo['total_files']}</td>
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| 			<td>{$failed_dirinfo['total_mb']}</td>
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| 			<td><input type='text' style='width:150px;' value='$failed_dir'></td>
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| 			</tr></table>
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| 	
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| 			<br>Cron Command: <input type='text' size='60' value='$cron_cmd'><br>
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| 			Create a cron job with the command above.<br/>
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| 				Read the documentation if you're not sure what to do.<br>";
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| 
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|         $install_html = "
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| 			This cron uploader is fairly easy to use but has to be configured first.
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| 			<br />1. Install & activate this plugin.
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| 			<br />
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| 			<br />2. Upload your images you want to be uploaded to the queue directory using your FTP client. 
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| 			<br />(<b>$queue_dir</b>)
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| 			<br />This also supports directory names to be used as tags.
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| 			<br />	
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| 			<br />3. Go to the Board Config to the Cron Uploader menu and copy the Cron Command.
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| 			<br />(<b>$cron_cmd</b>)
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| 			<br />
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| 			<br />4. Create a cron job or something else that can open a url on specified times.
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| 			<br />If you're not sure how to do this, you can give the command to your web host and you can ask them to create the cron job for you.
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| 			<br />When you create the cron job, you choose when to upload new images.
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| 			<br />
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| 			<br />5. When the cron command is set up, your image queue will upload x file(s) at the specified times.
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| 			<br />You can see any uploads or failed uploads in the log file. (<b>$log_path</b>)
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| 			<br />Your uploaded images will be moved to the 'uploaded' directory, it's recommended that you remove everything out of this directory from time to time.
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| 			<br />(<b>$uploaded_dir</b>)
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| 			<br />		
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| 			<br />Whenever the url in that cron job command is opened, a new file will upload from the queue.
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| 			<br />So when you want to manually upload an image, all you have to do is open the link once.
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| 			<br />This link can be found under 'Cron Command' in the board config, just remove the 'wget ' part and only the url remains.
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| 			<br />(<b>$cron_url</b>)";
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| 
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|         $page->set_title("Cron Uploader");
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|         $page->set_heading("Cron Uploader");
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| 
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|         $block = new Block("Cron Uploader", $info_html, "main", 10);
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|         $block_install = new Block("Installation Guide", $install_html, "main", 20);
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|         $page->add_block($block);
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|         $page->add_block($block_install);
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|     }
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| 
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|     public function onInitExt(InitExtEvent $event)
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|     {
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|         global $config;
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|         // Set default values
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|         $config->set_default_int(self::CONFIG_COUNT, 1);
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|         $this->set_dir();
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| 
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|         $this->upload_key = $config->get_string(self::CONFIG_KEY, "");
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|         if (empty($this->upload_key)) {
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|             $this->upload_key = $this->generate_key();
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| 
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|             $config->set_string(self::CONFIG_KEY, $this->upload_key);
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|         }
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|     }
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| 
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|     public function onSetupBuilding(SetupBuildingEvent $event)
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|     {
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|         $this->set_dir();
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| 
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|         $cron_url = make_http(make_link("/cron_upload/" . $this->upload_key));
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|         $cron_cmd = "curl --silent $cron_url";
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|         $documentation_link = make_http(make_link("cron_upload"));
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| 
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|         $sb = new SetupBlock("Cron Uploader");
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|         $sb->add_label("<b>Settings</b><br>");
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|         $sb->add_int_option(self::CONFIG_COUNT, "How many to upload each time");
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|         $sb->add_text_option(self::CONFIG_DIR, "<br>Set Cron Uploader root directory<br>");
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| 
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|         $sb->add_label("<br>Cron Command: <input type='text' size='60' readonly='readonly' value='" . html_escape($cron_cmd) . "'><br>
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| 		Create a cron job with the command above.<br/>
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| 		<a href='$documentation_link'>Read the documentation</a> if you're not sure what to do.");
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| 
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|         $event->panel->add_block($sb);
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|     }
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| 
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|     /*
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|      * Generates a unique key for the website to prevent unauthorized access.
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|      */
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|     private function generate_key()
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|     {
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|         $length = 20;
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|         $characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
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|         $randomString = '';
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| 
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|         for ($i = 0; $i < $length; $i++) {
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|             $randomString .= $characters [rand(0, strlen($characters) - 1)];
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|         }
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| 
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|         return $randomString;
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|     }
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| 
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|     /*
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|      * Set the directory for the image queue. If no directory was given, set it to the default directory.
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|      */
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|     private function set_dir()
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|     {
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|         global $config;
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|         // Determine directory (none = default)
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| 
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|         $dir = $config->get_string(self::CONFIG_DIR, "");
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| 
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|         // Sets new default dir if not in config yet/anymore
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|         if ($dir == "") {
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|             $dir = data_path("cron_uploader");
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|             $config->set_string(self::CONFIG_DIR, $dir);
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|         }
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| 
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|         // Make the directory if it doesn't exist yet
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|         if (!is_dir($dir . "/" . self::QUEUE_DIR . "/")) {
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|             mkdir($dir . "/" . self::QUEUE_DIR . "/", 0775, true);
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|         }
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|         if (!is_dir($dir . "/" . self::UPLOADED_DIR . "/")) {
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|             mkdir($dir . "/" . self::UPLOADED_DIR . "/", 0775, true);
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|         }
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|         if (!is_dir($dir . "/" . self::FAILED_DIR . "/")) {
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|             mkdir($dir . "/" . self::FAILED_DIR . "/", 0775, true);
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|         }
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| 
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|         $this->root_dir = $dir;
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|         return $dir;
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|     }
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| 
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|     /**
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|      * Returns amount of files & total size of dir.
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|      */
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|     public function scan_dir(string $path): array
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|     {
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|         $bytestotal = 0;
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|         $nbfiles = 0;
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| 
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|         $ite = new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS);
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|         foreach (new RecursiveIteratorIterator($ite) as $filename => $cur) {
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|             $filesize = $cur->getSize();
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|             $bytestotal += $filesize;
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|             $nbfiles++;
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|         }
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| 
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|         $size_mb = $bytestotal / 1048576; // to mb
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|         $size_mb = number_format($size_mb, 2, '.', '');
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|         return ['total_files' => $nbfiles, 'total_mb' => $size_mb];
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|     }
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| 
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|     /**
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|      * Uploads the image & handles everything
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|      */
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|     public function process_upload(int $upload_count = 0): bool
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|     {
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|         global $config, $database;
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| 
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|         //set_time_limit(0);
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| 
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| 
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|         $output_subdir = date('Ymd-His', time()) . "/";
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|         $this->generate_image_queue();
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| 
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|         // Gets amount of imgs to upload
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|         if ($upload_count == 0) {
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|             $upload_count = $config->get_int(self::CONFIG_COUNT, 1);
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|         }
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| 
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|         // Throw exception if there's nothing in the queue
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|         if (count($this->image_queue) == 0) {
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|             $this->add_upload_info("Your queue is empty so nothing could be uploaded.");
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|             $this->handle_log();
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|             return false;
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|         }
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| 
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|         // Randomize Images
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|         //shuffle($this->image_queue);
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| 
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|         $merged = 0;
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|         $added = 0;
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|         $failed = 0;
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| 
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|         // Upload the file(s)
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|         for ($i = 0; $i < $upload_count && sizeof($this->image_queue) > 0; $i++) {
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|             $img = array_pop($this->image_queue);
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| 
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|             try {
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|                 $database->beginTransaction();
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|                 $this->add_upload_info("Adding file: {$img[1]} - tags: {$img[2]}");
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|                 $result = $this->add_image($img[0], $img[1], $img[2]);
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|                 $database->commit();
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|                 $this->move_uploaded($img[0], $img[1], $output_subdir, false);
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|                 if ($result->merged) {
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|                     $merged++;
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|                 } else {
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|                     $added++;
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|                 }
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|             } catch (Exception $e) {
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|                 $failed++;
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|                 $this->move_uploaded($img[0], $img[1], $output_subdir, true);
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|                 $msgNumber = $this->add_upload_info("(" . gettype($e) . ") " . $e->getMessage());
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|                 $msgNumber = $this->add_upload_info($e->getTraceAsString());
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| 
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|                 try {
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|                     $database->rollback();
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|                 } catch (Exception $e) {
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|                 }
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|             }
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|         }
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| 
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| 
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|         $msgNumber = $this->add_upload_info("Items added: $added");
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|         $msgNumber = $this->add_upload_info("Items merged: $merged");
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|         $msgNumber = $this->add_upload_info("Items failed: $failed");
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| 
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| 
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|         // Display & save upload log
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|         $this->handle_log();
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| 
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|         return true;
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|     }
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| 
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|     private function move_uploaded($path, $filename, $output_subdir, $corrupt = false)
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|     {
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|         global $config;
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| 
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|         // Create
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|         $newDir = $this->root_dir;
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| 
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|         $relativeDir = dirname(substr($path, strlen($this->root_dir) + 7));
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| 
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|         // Determine which dir to move to
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|         if ($corrupt) {
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|             // Move to corrupt dir
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|             $newDir .= "/" . self::FAILED_DIR . "/" . $output_subdir . $relativeDir;
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|             $info = "ERROR: Image was not uploaded.";
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|         } else {
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|             $newDir .= "/" . self::UPLOADED_DIR . "/" . $output_subdir . $relativeDir;
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|             $info = "Image successfully uploaded. ";
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|         }
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|         $newDir = str_replace("//", "/", $newDir . "/");
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| 
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|         if (!is_dir($newDir)) {
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|             mkdir($newDir, 0775, true);
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|         }
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| 
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|         // move file to correct dir
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|         rename($path, $newDir . $filename);
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| 
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|         $this->add_upload_info($info . "Image \"$filename\" moved from queue to \"$newDir\".");
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|     }
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| 
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|     /**
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|      * Generate the necessary DataUploadEvent for a given image and tags.
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|      */
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|     private function add_image(string $tmpname, string $filename, string $tags): DataUploadEvent
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|     {
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|         assert(file_exists($tmpname));
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| 
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|         $tagArray = Tag::explode($tags);
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|         if (count($tagArray)==0) {
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|             $tagArray[] = "tagme";
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|         }
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| 
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|         $pathinfo = pathinfo($filename);
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|         $metadata = [];
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|         $metadata ['filename'] = $pathinfo ['basename'];
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|         if (array_key_exists('extension', $pathinfo)) {
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|             $metadata ['extension'] = $pathinfo ['extension'];
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|         }
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|         $metadata ['tags'] = $tagArray; // doesn't work when not logged in here, handled below
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|         $metadata ['source'] = null;
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|         $event = new DataUploadEvent($tmpname, $metadata);
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|         send_event($event);
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| 
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|         // Generate info message
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|         $infomsg = ""; // Will contain info message
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|         if ($event->image_id == -1) {
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|             throw new Exception("File type not recognised. Filename: {$filename}");
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|         } elseif ($event->merged === true) {
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|             $infomsg = "Image merged. ID: {$event->image_id} Filename: {$filename}";
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|         } else {
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|             $infomsg = "Image uploaded. ID: {$event->image_id} - Filename: {$filename}";
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|         }
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|         $msgNumber = $this->add_upload_info($infomsg);
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| 
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|         // Set tags
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|         $img = Image::by_id($event->image_id);
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|         $img->set_tags(array_merge($tagArray, $img->get_tag_array()));
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| 
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|         return $event;
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|     }
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| 
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|     private function generate_image_queue(): void
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|     {
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|         $base = $this->root_dir . "/" . self::QUEUE_DIR;
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| 
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|         if (!is_dir($base)) {
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|             $this->add_upload_info("Image Queue Directory could not be found at \"$base\".");
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|             return;
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|         }
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| 
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|         $ite = new RecursiveDirectoryIterator($base, FilesystemIterator::SKIP_DOTS);
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|         foreach (new RecursiveIteratorIterator($ite) as $fullpath => $cur) {
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|             if (!is_link($fullpath) && !is_dir($fullpath)) {
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|                 $pathinfo = pathinfo($fullpath);
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| 
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|                 $relativePath = substr($fullpath, strlen($base));
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|                 $tags = path_to_tags($relativePath);
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| 
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|                 $img = [
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|                     0 => $fullpath,
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|                     1 => $pathinfo ["basename"],
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|                     2 => $tags
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|                 ];
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|                 array_push($this->image_queue, $img);
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|             }
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|         }
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|     }
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| 
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|     /**
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|      * Adds a message to the info being published at the end
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|      */
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|     private function add_upload_info(string $text, int $addon = 0): int
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|     {
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|         $info = $this->upload_info;
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|         $time = "[" . date('Y-m-d H:i:s') . "]";
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| 
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|         // If addon function is not used
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|         if ($addon == 0) {
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|             $this->upload_info .= "$time $text\r\n";
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| 
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|             // Returns the number of the current line
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|             $currentLine = substr_count($this->upload_info, "\n") - 1;
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|             return $currentLine;
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|         }
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| 
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|         // else if addon function is used, select the line & modify it
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|         $lines = substr($info, "\n"); // Seperate the string to array in lines
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|         $lines[$addon] = "$lines[$addon] $text"; // Add the content to the line
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|         $this->upload_info = implode("\n", $lines); // Put string back together & update
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| 
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|         return $addon; // Return line number
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|     }
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| 
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|     /**
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|      * This is run at the end to display & save the log.
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|      */
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|     private function handle_log()
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|     {
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|         global $page;
 | |
| 
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|         // Display message
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|         $page->set_mode(PageMode::DATA);
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|         $page->set_type("text/plain");
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|         $page->set_data($this->upload_info);
 | |
| 
 | |
|         // Save log
 | |
|         $log_path = $this->root_dir . "/uploads.log";
 | |
| 
 | |
|         if (file_exists($log_path)) {
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|             $prev_content = file_get_contents($log_path);
 | |
|         } else {
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|             $prev_content = "";
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|         }
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| 
 | |
|         $content = $prev_content . "\r\n" . $this->upload_info;
 | |
|         file_put_contents($log_path, $content);
 | |
|     }
 | |
| }
 |