currentImagesToS3Migration.php

<?php
/*
	This script can be used to upload existing images to S3. You'll need to
	copy it into your MediaWiki maintenance directory and run it from there.
	You'll probably also need to modify it, see comments below.

        Owen Borseth - owen at borseth dot us
*/

require_once( dirname( __FILE__ ) . "/Maintenance.php" );

class ImageMigration extends Maintenance 
{
	var $AWS_ACCESS_KEY, $AWS_SECRET_KEY, $AWS_S3_BUCKET, $AWS_S3_PUBLIC, $AWS_S3_SSL;

        public function execute() 
	{
		$this->AWS_ACCESS_KEY = 'YOUR_AWS_ACCESS_KEY';
		$this->AWS_SECRET_KEY = 'YOUR_AWS_SECRET_KEY';
		$this->AWS_S3_BUCKET = 'YOUR_AWS_S3_BUCKET';
		$this->AWS_S3_PUBLIC = true;
		$this->AWS_S3_SSL = false;

		$s3 = new S3();
		$s3->setAuth($this->AWS_ACCESS_KEY, $this->AWS_SECRET_KEY);
		$s3->useSSL = $this->AWS_S3_SSL;

		// In my situation the images were in two different S3 buckets already. It will search these locations to try and find it.
		// Your images are probably local already, so you may need to modify the code further down to work with local directories.
		$s3Buckets = array(...);

		$dbw = wfGetDB( DB_MASTER );

		$counter = 0;
		$iIncrement = 10000;
		for($i = 0; ; $i += $iIncrement)
		{
                  $res = $dbw->select(array('image', 'imagelinks', 'page'), array('image.img_name','image.img_path', 'page.page_title'), 'image.img_name = imagelinks.il_to and imagelinks.il_from = page.page_id and page.page_namespace = 0 limit '.$i.', '.$iIncrement, array());
		
		  if(!$res)
		  {
			echo('No for rows.\n');
			exit;
  	  	  }

                  $logoPath = '';
                  foreach($res as $row)
                  {
			echo("counter:$counter\n");
			echo("i:$i\n");
			++$counter;
			if(!$row->img_name || !$row->img_path)
				continue;

			echo('img_name:'.$row->img_name."\n");
			echo('img_path:'.$row->img_path."\n");
			echo('page_title:'.$row->page_title."\n");
			$file = wfFindFile($row->img_name, array());
			if($file)
			{
				$path = $file->getFullUrl();
				$path = str_replace('http://s3.amazonaws.com/'.$this->AWS_S3_BUCKET.'/', '', $path);
				echo("path:$path\n");

				// If you have images that are already stored locally, you will need to modify this section. Instead of an S3::copyObject you 
				// may need to use the S3::putObject method to upload your local copy.
				foreach($s3Buckets as $s3Bucket)
				{
					if($s3->copyObject($s3Bucket, $row->img_path, $this->AWS_S3_BUCKET, $path, ($this->AWS_S3_PUBLIC ? S3::ACL_PUBLIC_READ : S3::ACL_PRIVATE)))
					{
						echo('SUCCESS:'.$row->img_name."\n");
						break;
					}
					else
						echo('ERROR1:'.$row->img_name."\n");
				}
			}
			else
			{
				echo('ERROR2:'.$row->img_name."\n");
			}
			echo("\n");
                  }
		}
        }
}

$maintClass = 'ImageMigration';
if( defined('RUN_MAINTENANCE_IF_MAIN') ) 
{
  	require_once( RUN_MAINTENANCE_IF_MAIN );
} 
else 
{
  	require_once( DO_MAINTENANCE ); # Make this work on versions before 1.17
}