File Manager

Editing File: /home/maglabs/valvtec1/wp-content/plugins/wp-reset/libs/dropbox.php

<?php

/**
 * WP Reset PRO
 * https://wpreset.com/
 * (c) WebFactory Ltd, 2015 - 2021
 */

class WPRDropboxClient {
	const API_URL = "https://api.dropboxapi.com/";
	const API_CONTENT_URL = "https://content.dropboxapi.com/";

const BUFFER_SIZE = 4096;
	const MAX_UPLOAD_CHUNK_SIZE = 150 * 1024 * 1024;
	const UPLOAD_CHUNK_SIZE = 2 * 1024 * 1024;

private $appParams;
	private $consumerToken;

private $requestToken;
	private $accessToken;

private $rootPath;

private $useCurl;
	private $curlOptions;

private $_redirectUri;

/**
	 * WPRDropboxClient constructor.
	 *
	 * @param array $app_params ['app_key' => ..., 'app_secret' => ..., 'app_full_access' => ...]
	 *
	 * @param string $_deprecatedLocale Deprecated.
	 *
	 * @throws WPRDropboxException
	 */
	public function __construct( $token ) {
		$this->rootPath      = "dropbox";
        $this->accessToken = $token;
    	$this->useCurl = function_exists( 'curl_init' );
	}

public function __wakeup() {
		// delete v1 access token on deserialization
		if ( ! empty( $this->accessToken['s'] ) ) {
			$this->accessToken = null;
		}
		$this->useCurl = $this->useCurl && function_exists( 'curl_init' );
	}

/**
	 * Sets whether to use cURL if its available or PHP HTTP wrappers otherwise
	 *
	 * @param boolean $use_it whether to use it or not
	 * @param array $curlOptions
	 *
	 * @return bool Whether to actually use cURL (always false if not installed)
	 * @throws WPRDropboxException
	 */
	public function SetUseCUrl( $use_it, $curlOptions = array() ) {
		if ( ! $use_it && ! empty( $curlOptions ) ) {
			throw new WPRDropboxException( "not using cURL but specified cURL options" );
		}
		$this->curlOptions = $curlOptions;

return ( $this->useCurl = ( $use_it && function_exists( 'curl_init' ) ) );
	}

/**
	 * Checks if an access token has been set.
	 *
	 * @access public
	 * @return boolean Authorized or not
	 */
	public function IsAuthorized() {
		// v1 was: Array ( [t] => '...' [s] => '...' )
		// v2 is:  Array ( [t] => '...' [account_id] => '...' )
		return ! empty( $this->accessToken ) && ! empty( $this->accessToken['account_id'] );
	}

// ##################################################
	// API Functions

/**
	 * Retrieves information about the user's account.
	 *
	 * @access public
	 * @return object Account info object. See https://www.dropbox.com/developers/documentation/http/documentation#users-get_current_account
	 */
	public function GetAccountInfo() {
		$info               = $this->apiCall( "2/users/get_current_account" );
		$info->uid          = $info->account_id;
		$info->name_details = $info->name;
		$info->display_name = $info->name->display_name;

return $info;
	}

/**
	 * @param string $path
	 * @param bool $recursive
	 * @param bool $include_deleted
	 *
	 * @return mixed
	 * @throws WPRDropboxException
	 */
	public function GetFiles( $path = '', $recursive = false, $include_deleted = false ) {
		if ( is_object( $path ) && ! empty( $path->path ) ) {
			$path = $path->path;
		}
		if ( $path === '/' ) {
			$path = '';
		}

$res     = $this->apiCall( "2/files/list_folder", compact( 'path', 'recursive', 'include_deleted' ) );
		$entries = $res->entries;

while ( $res->has_more ) {
			$res     = $this->apiCall( "2/files/list_folder/continue", array( 'cursor' => $res->cursor ) );
			$entries = array_merge( $entries, $res->entries );
		}

$entries_assoc = array();
		foreach ( $entries as $entry ) {
			$entries_assoc[ trim( $entry->path_display, '/' ) ] = $entry;
		}

return array_map( array( __CLASS__, 'compatMeta' ), $entries_assoc );
	}

/**
	 * See https://www.dropbox.com/developers/documentation/http/documentation#files-get_metadata
	 *
	 * @param $path
	 * @param bool $include_deleted
	 * @param null $rev
	 *
	 * @return mixed
	 * @throws WPRDropboxException
	 */
	public function GetMetadata( $path, $include_deleted = false, $rev = null ) {
		if ( is_object( $path ) && ! empty( $path->path ) ) {
			$path = $path->path;
		}
		if ( ! empty( $rev ) ) {
			$path = "rev:$rev";
		}

return self::compatMeta( $this->apiCall( "2/files/get_metadata", compact( 'path', 'include_deleted' ) ) );
	}

/**
	 * Download a file from user's Dropbox to the web server
	 *
	 * @param string|object $path Dropbox path or metadata object of the file to download.
	 * @param string $dest_path Local path for destination
	 * @param string $rev Optional. The revision of the file to retrieve. This defaults to the most recent revision.
	 * @param callback $progress_changed_callback Optional. Callback that will be called during download with 2 args: 1. bytes loaded, 2. file size
	 *
	 * @return object Dropbox file metadata
	 * @throws WPRDropboxException
	 */
	public function DownloadFile( $path, $dest_path = '', $rev = null, $progress_changed_callback = null ) {
		if ( is_object( $path ) && ! empty( $path->path ) ) {
			$path = $path->path;
		}

if ( empty( $dest_path ) ) {
			$dest_path = basename( $path );
		}

$url = self::cleanUrl( self::API_CONTENT_URL . "2/files/download" );
		if ( ! empty( $rev ) ) {
			$path = "rev:$rev";
		}
		$context = $this->createRequestContext( $url, compact( 'path' ) );

$fh = @fopen( $dest_path, 'wb' ); // write binary
		if ( $fh === false ) {
			throw new WPRDropboxException( "Could not create file $dest_path !" );
		}

if ( $this->useCurl ) {
			curl_setopt( $context, CURLOPT_BINARYTRANSFER, true );
			curl_setopt( $context, CURLOPT_RETURNTRANSFER, true );
			curl_setopt( $context, CURLOPT_FILE, $fh );
			$response_headers = array();
			self::execCurlAndClose( $context, $response_headers );
			fclose( $fh );
			$meta         = self::getMetaFromHeaders( $response_headers, true );
			$bytes_loaded = filesize( $dest_path );
		} else {
			$rh = @fopen( $url, 'rb', false, $context ); // read binary
			if ( $rh === false ) {
				throw new WPRDropboxException( "HTTP request to $url failed!" );
			}

// get file meta from HTTP header
			$s_meta       = stream_get_meta_data( $rh );
			$meta         = self::getMetaFromHeaders( $s_meta['wrapper_data'], true );
			$bytes_loaded = 0;
			while ( ! feof( $rh ) ) {
				if ( ( $s = fwrite( $fh, fread( $rh, self::BUFFER_SIZE ) ) ) === false ) {
					@fclose( $rh );
					@fclose( $fh );
					throw new WPRDropboxException( "Writing to file $dest_path failed!'" );
				}
				$bytes_loaded += $s;
				if ( ! empty( $progress_changed_callback ) ) {
					call_user_func( $progress_changed_callback, $bytes_loaded, $meta->bytes );
				}
			}

fclose( $rh );
			fclose( $fh );
		}

if ( $meta->size != $bytes_loaded ) {
			throw new WPRDropboxException( "Download size mismatch! (header:{$meta->size} vs actual:{$bytes_loaded}; curl:{$this->useCurl})" );
		}

return $meta;
	}

static function compatMeta( $meta ) {
        if(!empty($meta->{'.tag'})){
            $meta->is_dir = $meta->{'.tag'} == "folder";
        }
		$meta->path   = $meta->path_display;
		$meta->bytes  = isset( $meta->size ) ? $meta->size : 0;

return $meta;
	}

/**
	 * Upload a file to dropbox
	 *
	 * @access public
	 *
	 * @param string $src_file Local file to upload
	 * @param string $path Dropbox path for destination
	 * @param bool $overwrite
	 *
	 * @return object Dropbox file metadata
	 * @throws WPRDropboxException
	 */
	public function UploadFile( $src_file, $path = '', $overwrite = true ) {
        
		if ( empty( $path ) ) {
			$path = basename( $src_file );
		}
		$path = self::toPath( $path );
        
		// make sure the dropbox_path is not a dir. if it is, append basename of $src_file
		$dropbox_bn = basename( $path );
		if ( strpos( $dropbox_bn, '.' ) === false ) { // check if ext. is missing -> could be a directory!
			try {
				$meta = $this->GetMetadata( $path );
				if ( $meta && $meta->is_dir ) {
					$path = self::toPath( $path . '/' . basename( $src_file ) );
				}
			} catch ( Exception $e ) {
                throw new WPRDropboxException( "Cannot read file metadata $src_file !" ); 
			}
		}

$file_size = filesize( $src_file );

$commit_params = array(
			'path'       => $path,
			'mode'       => $overwrite ? 'overwrite' : 'add',
			'autorename' => true
		);

if ( $file_size > self::UPLOAD_CHUNK_SIZE ) {
			$fh = fopen( $src_file, 'rb' );
			if ( $fh === false ) {
				throw new WPRDropboxException( "Cannot open $src_file for reading!" );
			}

$offset = 0;

$res        = $this->apiCall( "2/files/upload_session/start", array(), true );
			$session_id = $res->session_id;

while ( ! feof( $fh ) ) {
				$content = fread( $fh, self::UPLOAD_CHUNK_SIZE );
				$this->apiCall( "2/files/upload_session/append_v2", array( 'cursor' => compact( 'session_id', 'offset' ) ), true, $content );
				$offset += strlen( $content );
				unset( $content );
				if ( $offset >= $file_size ) {
					break;
				}
			}

@fclose( $fh );

return $this->apiCall( '2/files/upload_session/finish', array(
				'cursor' => compact( 'session_id', 'offset' ),
				'commit' => $commit_params
			), true );
		} else {
			$content = file_get_contents( $src_file );

return $this->apiCall( "2/files/upload", $commit_params, true, $content );
		}
	}
	public function GetLink(
		$path, $preview = true, /** @noinspection PhpUnusedParameterInspection */
		$_short = true, &$expires = null
	) {
		$path = self::toPath( $path );

if ( ! $preview ) {
			$data    = $this->apiCall( "2/files/get_temporary_link", array(
				'path' => $path
			) );
			$expires = time() + ( 4 * 3600 ) - 60; // expires in 4h

return $data->link;
		} else {
			try {
				$url = $this->apiCall( "2/sharing/create_shared_link_with_settings", array(
					'path'     => $path,
					'settings' => array(
						"requested_visibility" => "public",
					)
				) );
			} catch ( WPRDropboxException $ex ) {
				if ( $ex->getTag() == 'shared_link_already_exists' ) {
					$publicLinks = array_filter( $this->apiCall( "2/sharing/list_shared_links", array( 'path' => $path ) )->links, function ( $link ) {
						return $link->{'.tag'} == "file" && $link->link_permissions->resolved_visibility->{'.tag'} == "public";
					} );
					$url         = reset( $publicLinks );
				} else {
					throw $ex;
				}
			}

// we leave $expires unset, Dropbox does not mention expiry of links from `get_temporary_link`

return $url->url;
		}
	}

public function Delta( $cursor ) {
		return $this->apiCall( "2/files/list_folder/continue", array_merge( compact( 'cursor' ), array(//'recursive' => true
		) ) );
	}

public function LatestCursor( $path = '', $include_media_info = false ) {
		$res = $this->apiCall( "2/files/list_folder/get_latest_cursor", compact( 'path', 'include_media_info' ) );

return $res->cursor;
	}

public function GetRevisions( $path, $limit = 10 ) {
		$path = self::toPath( $path );

return $this->apiCall( "2/files/list_revisions", compact( 'path', 'limit' ) )->entries;
	}

public function Restore( $dropbox_file, $rev ) {
		if ( is_object( $dropbox_file ) && ! empty( $dropbox_file->path ) ) {
			$dropbox_file = $dropbox_file->path;
		}

return $this->apiCall( "restore/$this->rootPath/$dropbox_file", compact( 'rev' ) );
	}

public function Search( $path, $query, $max_results = 1000, $include_deleted = false ) {
		$path = self::toPath( $path );
		$mode = $include_deleted ? 'deleted_filename' : 'filename';

$meta = array();
		foreach ( $this->apiCall( "2/files/search", compact( 'path', 'query', 'max_results', 'mode' ) )->matches as $match ) {
			$meta[] = self::compatMeta( $match->metadata );
		}

return $meta;
	}

public function GetCopyRef( $dropbox_file, &$expires = null ) {
		if ( is_object( $dropbox_file ) && ! empty( $dropbox_file->path ) ) {
			$dropbox_file = $dropbox_file->path;
		}
		$ref     = $this->apiCall( "copy_ref/$this->rootPath/$dropbox_file", "GET" );
		$expires = strtotime( $ref->expires );

return $ref->copy_ref;
	}

public function Copy( $from_path, $to_path, $copy_ref = false ) {
		if ( is_object( $from_path ) && ! empty( $from_path->path ) ) {
			$from_path = $from_path->path;
		}

return $this->apiCall( "fileops/copy", array(
			'root'                                        => $this->rootPath,
			( $copy_ref ? 'from_copy_ref' : 'from_path' ) => $from_path,
			'to_path'                                     => $to_path
		) );
	}

/**
	 * Creates a new folder in the DropBox
	 *
	 * @access public
	 *
	 * @param $path string The path to the new folder to create
	 * @param bool $autorename
	 *
	 * @return object Dropbox folder metadata
	 */
	public function CreateFolder( $path, $autorename = false  ) {
		$res = $this->apiCall( "2/files/create_folder_v2",
			array( 'path' => $path, 'autorename' => $autorename ) );
		$res->metadata->{'.tag'} = 'folder';
		return self::compatMeta($res->metadata);
	}

/**
	 * Delete file or folder
	 *
	 * @param $path mixed The path or metadata of the file/folder to be deleted.
	 *
	 * @return object Dropbox metadata of deleted file or folder
	 */
	public function Delete( $path ) {
		if ( is_object( $path ) && ! empty( $path->path ) ) {
			$path = $path->path;
		}

$res = $this->apiCall( "2/files/delete_v2", array( 'path' => $path ) );
		return self::compatMeta($res->metadata);
	}

public function Move( $from_path, $to_path ) {
		if ( is_object( $from_path ) && ! empty( $from_path->path ) ) {
			$from_path = $from_path->path;
		}

return $this->apiCall( "fileops/move", array(
			'root'      => $this->rootPath,
			'from_path' => $from_path,
			'to_path'   => $to_path
		) );
	}

// END of API functions

private function createCurl( $url, $http_context ) {
		$ch = curl_init( $url );

$curl_opts = array(
			CURLOPT_HEADER         => false, // exclude header from output //CURLOPT_MUTE => true, // no output!
			CURLOPT_RETURNTRANSFER => true, // but return!
			CURLOPT_SSL_VERIFYPEER => false,
			CURLOPT_BINARYTRANSFER => true
		);

$curl_opts[ CURLOPT_CUSTOMREQUEST ] = $http_context['method'];

if ( ! empty( $http_context['content'] ) ) {
			$curl_opts[ CURLOPT_POSTFIELDS ] =& $http_context['content'];
			if ( defined( "CURLOPT_POSTFIELDSIZE" ) ) {
				$curl_opts[ CURLOPT_POSTFIELDSIZE ] = strlen( $http_context['content'] );
			}
		}

$curl_opts[ CURLOPT_HTTPHEADER ] = array_map( 'trim', explode( "\n", $http_context['header'] ) );

if ( ! empty( $this->curlOptions ) && is_array( $this->curlOptions ) ) {
			$curl_opts = array_merge( $curl_opts, $this->curlOptions );
		}

curl_setopt_array( $ch, $curl_opts );

return $ch;
	}

static private $_curlHeadersRef;

private static function _curlHeaderCallback(
		/** @noinspection PhpUnusedParameterInspection */
		$ch, $header
	) {
		self::$_curlHeadersRef[] = trim( $header );

return strlen( $header );
	}

private static function &execCurlAndClose( $ch, &$out_response_headers = null ) {
		if ( is_array( $out_response_headers ) ) {
			self::$_curlHeadersRef =& $out_response_headers;
			curl_setopt( $ch, CURLOPT_HEADERFUNCTION, array( __CLASS__, '_curlHeaderCallback' ) );
		}
		$res     = curl_exec( $ch );
		$err_no  = curl_errno( $ch );
		$err_str = curl_error( $ch );
		curl_close( $ch );
		if ( $err_no || $res === false ) {
			throw new WPRDropboxException( "cURL-Error ($err_no): $err_str" );
		}

return $res;
	}

/**
	 * @param $url string
	 * @param $params
	 * @param string $content
	 * @param int $bearer_token
	 *
	 * @return resource
	 */
	private function createRequestContext( $url, $params, &$content = "", $bearer_token = - 1 ) {
		if ( $bearer_token === - 1 ) {
			$bearer_token = $this->accessToken['t'];
		}

$http_context = array( 'method' => "POST", 'header' => '', 'content' => '' );

if ( strpos( $url, '/oauth2/token' ) !== false ) {
			$http_context['header']  .= "Content-Type: application/x-www-form-urlencoded\r\n";
			$http_context['content'] = http_build_query( $params );
		} else {

if ( ! empty( $bearer_token ) ) {
				$http_context['header'] .= "Authorization: Bearer $bearer_token\r\n";
			}

if ( empty( $content ) && strpos( $url, self::API_CONTENT_URL ) === false ) {
				if ( ! empty( $params ) ) {
					$http_context['header']  .= "Content-Type: application/json\r\n";
					$http_context['content'] = json_encode( $params );
				}
			} else {
				$http_context['header'] .= 'Dropbox-API-Arg: ' . str_replace( '"', '"', json_encode( (object) $params ) ) . "\r\n";
				$http_context['header'] .= "Content-Type: application/octet-stream\r\n";
				if ( ! empty( $content ) ) {
					$http_context['content'] = $content;
				}
			}

}

if ( strpos( $url, self::API_CONTENT_URL ) === false ) {
			$http_context['header'] .= "Content-Length: " . strlen( $http_context['content'] );
		}

$http_context['header'] = trim( $http_context['header'] );

// be able to retrieve error response body:
		$http_context['ignore_errors'] = true;

return $this->useCurl ? $this->createCurl( $url, $http_context ) : stream_context_create( array( 'http' => $http_context ) );
	}

/**
	 * @param object $resp
	 * @param string $context
	 *
	 * @return object
	 * @throws WPRDropboxException
	 */
	private
	static function checkForError(
		$resp, $context = null
	) {
		if ( ! empty( $resp->error ) ) {
			throw new WPRDropboxException( $resp, $context );
		}

return $resp;
	}

/**
	 * @param string $path
	 * @param array $params
	 * @param bool $content_call
	 * @param string $content
	 *
	 * @return object
	 * @throws WPRDropboxException
	 */
	private function doSingleCall( $path, $params = array(), $content_call = false, &$content = null ) {
		$url     = self::cleanUrl( ( $content_call ? self::API_CONTENT_URL : self::API_URL ) . $path );
		$context = $this->createRequestContext( $url, $params, $content );

$json = $this->useCurl ? self::execCurlAndClose( $context ) : file_get_contents( $url, false, $context );
		$resp = json_decode( $json );

if ( is_null( $resp ) && $content_call ) {
			return null;
		}

if ( is_null( $resp ) && ! empty( $json ) ) {
			throw new WPRDropboxException( "apiCall($path) failed: $json (URL was $url)" );
		}
		if ( ( $resp === false || is_null( $resp ) ) && ! empty( $json ) && ! $content_call ) {
			throw new WPRDropboxException( "Error apiCall($path): $json" );
		}

return self::checkForError( $resp, "apiCall($path)" );
	}

/**
	 * @param object $target
	 * @param object $part
	 */
	private static function mergeContinue( &$target, $part ) {
		$keys = array_keys( get_object_vars( $target ) );
		foreach ( $keys as $k ) {
			if ( is_array( $target->$k ) && ! empty( $part->$k ) && is_array( $part->$k ) ) {
				$target->$k = array_merge( $target->$k, $part->$k );
			}
		}
		$target->has_more = $part->has_more;
		$target->cursor   = $part->cursor;
	}

/**
	 * @param string $path
	 * @param array $params
	 * @param bool $content_call
	 * @param string $content
	 *
	 * @return object
	 * @throws WPRDropboxException
	 */
	private
	function apiCall(
		$path, $params = array(), $content_call = false, &$content = null
	) {
		$resp = $this->doSingleCall( $path, $params, $content_call, $content );

// check for 'has_more' and run /continue requests
		if ( ! empty( $resp->has_more ) && strpos( $path, '/continue' ) === false ) {
			$path .= '/continue';
		}

while ( ! $content_call && ! empty( $resp->has_more ) ) {
			if ( empty( $resp->cursor ) ) {
				throw new WPRDropboxException( "Unexpected response from $path: has_more without cursor!" );
			}
			$params['cursor'] = is_string( $resp->cursor ) ? $resp->cursor : $resp->cursor->value;
			self::mergeContinue( $resp, $this->doSingleCall( $path, $params, $content_call, $content ) );
		}

return $resp;
	}

private
	static function getMetaFromHeaders(
		&$header_array, $throw_on_error = false
	) {
		$obj = json_decode( substr( @array_shift( array_filter( $header_array, function ( $s ) {
			return stripos( $s, "dropbox-api-result:" ) === 0;
		} ) ), 20 ) );
		if ( $throw_on_error && ( empty( $obj ) || ! is_object( $obj ) ) ) {
			throw new WPRDropboxException( "Could not retrieve meta data from header data: " . print_r( $header_array, true ) );
		}
		if ( $throw_on_error ) {
			self::checkForError( $obj, __FUNCTION__ );
		}

return self::compatMeta( $obj );
	}

private static function toPath( $file_or_path ) {
		if ( is_object( $file_or_path ) ) {
			$file_or_path = $file_or_path->path;
		}
		$file_or_path = '/' . trim( $file_or_path, '/' );
		if ( $file_or_path == '/' ) {
			$file_or_path = '';
		}

return $file_or_path;
	}

private static function cleanUrl( $url ) {
		$p   = substr( $url, 0, 8 );
		$url = str_replace( '//', '/', str_replace( '\\', '/', substr( $url, 8 ) ) );
		$url = rawurlencode( $url );
		$url = str_replace( '%2F', '/', $url );

return $p . $url;
	}

public static function contentHashStream( $stream, $chunksize = 1024 * 8 ) {
		static $BLOCK_SIZE = 4 * 1024 * 1024;
		$streamhasher      = hash_init( 'sha256' );
		$blockhasher       = hash_init( 'sha256' );
		$current_block     = 1;
		$current_blocksize = 0;
		while ( ! feof( $stream ) ) {
			$max_bytes_to_read = min( $chunksize, $BLOCK_SIZE - $current_blocksize );
			$chunk             = fread( $stream, $max_bytes_to_read );
			if ( strlen( $chunk ) == 0 ) {
				break;
			}
			hash_update( $blockhasher, $chunk );
			$current_blocksize += $max_bytes_to_read;
			if ( $current_blocksize == $BLOCK_SIZE ) {
				$blockhash = hash_final( $blockhasher, true );
				hash_update( $streamhasher, $blockhash );
				$blockhasher = hash_init( 'sha256' );
				++ $current_block;
				$current_blocksize = 0;
			}
		}

if ( $current_blocksize > 0 ) {
			$blockhash = hash_final( $blockhasher, true );
			hash_update( $streamhasher, $blockhash );
		}

return hash_final( $streamhasher );
	}

public static function contentHashFile( $localFileName ) {
		$handle = fopen( $localFileName, 'r' );
		$hash   = self::contentHashStream( $handle );
		fclose( $handle );

return $hash;
	}

/**
	 * @deprecated
	 * @throws WPRDropboxException
	 */
	public
	function GetRequestToken() {
		throw new WPRDropboxException( 'GetRequestToken() has been removed with v2 API. Request tokens do not exist in OAuth2 anymore.' );
	}

/**
	 * @deprecated
	 * @throws WPRDropboxException
	 */
	public
	function GetAccessToken() {
		throw new WPRDropboxException( 'GetAccessToken() has been removed with v2 API. Use GetBearerToken() instead!' );
	}

}

class WPRDropboxException extends Exception {
	private $tag;

public function __construct( $resp = null, $context = null ) {
		if ( is_null( $resp ) ) {
			$el            = error_get_last();
			$this->message = $el['message'];
			$this->file    = $el['file'];
			$this->line    = $el['line'];
		} elseif ( is_object( $resp ) && isset( $resp->error ) ) {
			$this->message = empty( $resp->error_description ) ? ( json_encode( $resp ) . ( $context ? ", in $context" : "" ) ) : $resp->error_description;
			/** @noinspection PhpUndefinedFieldInspection */
			$this->tag = is_object( $resp->error ) ? $resp->error->{'.tag'} : $resp->error;
		} else {
			$this->message = $resp . ( $context ? ", in $context" : "" );
		}
	}

public function getTag() {
		return $this->tag;
	}
}

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