silverstripe-fulltextsearch/code/solr/SolrConfigStore.php

<?php

/**
 * Class SolrConfigStore
 *
 * The interface Solr_Configure uses to upload configuration files to Solr
 */
interface SolrConfigStore {
	/**
	 * Upload a file to Solr for index $index
	 * @param $index string - The name of an index (which is also used as the name of the Solr core for the index)
	 * @param $file string - A path to a file to upload. The base name of the file will be used on the remote side
	 * @return null
	 */
	function uploadFile($index, $file);

	/**
	 * Upload a file to Solr from a string for index $index
	 * @param $index string - The name of an index (which is also used as the name of the Solr core for the index)
	 * @param $filename string - The base name of the file to use on the remote side
	 * @param $strong string - The contents of the file
	 * @return null
	 */
	function uploadString($index, $filename, $string);

	/**
	 * Get the instanceDir to tell Solr to use for index $index
	 * @param $index string - The name of an index (which is also used as the name of the Solr core for the index)
	 */
	function instanceDir($index);
}

/**
 * Class SolrConfigStore_File
 *
 * A ConfigStore that uploads files to a Solr instance on a locally accessible filesystem
 * by just using file copies
 */
class SolrConfigStore_File implements SolrConfigStore {
	function __construct($config) {
		$this->local = $config['path'];
		$this->remote = isset($config['remotepath']) ? $config['remotepath'] : $config['path'];
	}

	function getTargetDir($index) {
		$targetDir = "{$this->local}/{$index}/conf";

		if (!is_dir($targetDir)) {
			$worked = @mkdir($targetDir, 0770, true);

			if(!$worked) {
				throw new RuntimeException(
					sprintf('Failed creating target directory %s, please check permissions', $targetDir)
				);
			}
		}

		return $targetDir;
	}

	function uploadFile($index, $file) {
		$targetDir = $this->getTargetDir($index);
		copy($file, $targetDir.'/'.basename($file));
	}

	function uploadString($index, $filename, $string) {
		$targetDir = $this->getTargetDir($index);
		file_put_contents("$targetDir/$filename", $string);
	}

	function instanceDir($index) {
		return $this->remote.'/'.$index;
	}
}

/**
 * Class SolrConfigStore_WebDAV
 *
 * A ConfigStore that uploads files to a Solr instance via a WebDAV server
 */
class SolrConfigStore_WebDAV implements SolrConfigStore {
	function __construct($config) {
		$this->url = implode('', array(
			'http://',
			isset($config['auth']) ? $config['auth'].'@' : '',
			Solr::$solr_options['host'] . ':' . Solr::$solr_options['port'],
			$config['path']
		));
		$this->remote = $config['remotepath'];
	}

	function getTargetDir($index) {
		$indexdir = "{$this->url}/$index";
		if (!WebDAV::exists($indexdir)) WebDAV::mkdir($indexdir);

		$targetDir = "{$this->url}/$index/conf";
		if (!WebDAV::exists($targetDir)) WebDAV::mkdir($targetDir);

		return $targetDir;
	}

	function uploadFile($index, $file) {
		$targetDir = $this->getTargetDir($index);
		WebDAV::upload_from_file($file, $targetDir.'/'.basename($file));
	}

	function uploadString($index, $filename, $string) {
		$targetDir = $this->getTargetDir($index);
		WebDAV::upload_from_string($string, "$targetDir/$filename");
	}

	function instanceDir($index) {
		return $this->remote ? "{$this->remote}/$index" : $index;
	}
}