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/// <reference types="node" />
/// <reference types="node" />
import { Readable, Writable } from "stream";
import { ConnectionOptions as TLSConnectionOptions } from "tls";
import { FileInfo } from "./FileInfo";
import { FTPContext, FTPResponse } from "./FtpContext";
import { ProgressHandler, ProgressTracker } from "./ProgressTracker";
import { UploadCommand } from "./transfer";
export interface AccessOptions {
/** Host the client should connect to. Optional, default is "localhost". */
readonly host?: string;
/** Port the client should connect to. Optional, default is 21. */
readonly port?: number;
/** Username to use for login. Optional, default is "anonymous". */
readonly user?: string;
/** Password to use for login. Optional, default is "guest". */
readonly password?: string;
/** Use FTPS over TLS. Optional, default is false. True is preferred explicit TLS, "implicit" supports legacy, non-standardized implicit TLS. */
readonly secure?: boolean | "implicit";
/** TLS options as in [tls.connect(options)](https://nodejs.org/api/tls.html#tls_tls_connect_options_callback), optional. */
readonly secureOptions?: TLSConnectionOptions;
}
/** Prepares a data connection for transfer. */
export type TransferStrategy = (ftp: FTPContext) => Promise<FTPResponse>;
/** Parses raw directoy listing data. */
export type RawListParser = (rawList: string) => FileInfo[];
export interface UploadOptions {
/** Offset in the local file to start uploading from. */
localStart?: number;
/** Final byte position to include in upload from the local file. */
localEndInclusive?: number;
}
/**
* High-level API to interact with an FTP server.
*/
export declare class Client {
prepareTransfer: TransferStrategy;
parseList: RawListParser;
availableListCommands: string[];
/** Low-level API to interact with FTP server. */
readonly ftp: FTPContext;
/** Tracks progress of data transfers. */
protected _progressTracker: ProgressTracker;
/**
* Instantiate an FTP client.
*
* @param timeout Timeout in milliseconds, use 0 for no timeout. Optional, default is 30 seconds.
*/
constructor(timeout?: number);
/**
* Close the client and all open socket connections.
*
* Close the client and all open socket connections. The client cant be used anymore after calling this method,
* you have to either reconnect with `access` or `connect` or instantiate a new instance to continue any work.
* A client is also closed automatically if any timeout or connection error occurs.
*/
close(): void;
/**
* Returns true if the client is closed and can't be used anymore.
*/
get closed(): boolean;
/**
* Connect (or reconnect) to an FTP server.
*
* This is an instance method and thus can be called multiple times during the lifecycle of a `Client`
* instance. Whenever you do, the client is reset with a new control connection. This also implies that
* you can reopen a `Client` instance that has been closed due to an error when reconnecting with this
* method. In fact, reconnecting is the only way to continue using a closed `Client`.
*
* @param host Host the client should connect to. Optional, default is "localhost".
* @param port Port the client should connect to. Optional, default is 21.
*/
connect(host?: string, port?: number): Promise<FTPResponse>;
/**
* As `connect` but using implicit TLS. Implicit TLS is not an FTP standard and has been replaced by
* explicit TLS. There are still FTP servers that support only implicit TLS, though.
*/
connectImplicitTLS(host?: string, port?: number, tlsOptions?: TLSConnectionOptions): Promise<FTPResponse>;
/**
* Handles the first reponse by an FTP server after the socket connection has been established.
*/
private _handleConnectResponse;
/**
* Send an FTP command and handle the first response.
*/
send(command: string, ignoreErrorCodesDEPRECATED?: boolean): Promise<FTPResponse>;
/**
* Send an FTP command and ignore an FTP error response. Any other kind of error or timeout will still reject the Promise.
*
* @param command
*/
sendIgnoringError(command: string): Promise<FTPResponse>;
/**
* Upgrade the current socket connection to TLS.
*
* @param options TLS options as in `tls.connect(options)`, optional.
* @param command Set the authentication command. Optional, default is "AUTH TLS".
*/
useTLS(options?: TLSConnectionOptions, command?: string): Promise<FTPResponse>;
/**
* Login a user with a password.
*
* @param user Username to use for login. Optional, default is "anonymous".
* @param password Password to use for login. Optional, default is "guest".
*/
login(user?: string, password?: string): Promise<FTPResponse>;
/**
* Set the usual default settings.
*
* Settings used:
* * Binary mode (TYPE I)
* * File structure (STRU F)
* * Additional settings for FTPS (PBSZ 0, PROT P)
*/
useDefaultSettings(): Promise<void>;
/**
* Convenience method that calls `connect`, `useTLS`, `login` and `useDefaultSettings`.
*
* This is an instance method and thus can be called multiple times during the lifecycle of a `Client`
* instance. Whenever you do, the client is reset with a new control connection. This also implies that
* you can reopen a `Client` instance that has been closed due to an error when reconnecting with this
* method. In fact, reconnecting is the only way to continue using a closed `Client`.
*/
access(options?: AccessOptions): Promise<FTPResponse>;
/**
* Get the current working directory.
*/
pwd(): Promise<string>;
/**
* Get a description of supported features.
*
* This sends the FEAT command and parses the result into a Map where keys correspond to available commands
* and values hold further information. Be aware that your FTP servers might not support this
* command in which case this method will not throw an exception but just return an empty Map.
*/
features(): Promise<Map<string, string>>;
/**
* Set the working directory.
*/
cd(path: string): Promise<FTPResponse>;
/**
* Switch to the parent directory of the working directory.
*/
cdup(): Promise<FTPResponse>;
/**
* Get the last modified time of a file. This is not supported by every FTP server, in which case
* calling this method will throw an exception.
*/
lastMod(path: string): Promise<Date>;
/**
* Get the size of a file.
*/
size(path: string): Promise<number>;
/**
* Rename a file.
*
* Depending on the FTP server this might also be used to move a file from one
* directory to another by providing full paths.
*/
rename(srcPath: string, destPath: string): Promise<FTPResponse>;
/**
* Remove a file from the current working directory.
*
* You can ignore FTP error return codes which won't throw an exception if e.g.
* the file doesn't exist.
*/
remove(path: string, ignoreErrorCodes?: boolean): Promise<FTPResponse>;
/**
* Report transfer progress for any upload or download to a given handler.
*
* This will also reset the overall transfer counter that can be used for multiple transfers. You can
* also call the function without a handler to stop reporting to an earlier one.
*
* @param handler Handler function to call on transfer progress.
*/
trackProgress(handler?: ProgressHandler): void;
/**
* Upload data from a readable stream or a local file to a remote file.
*
* @param source Readable stream or path to a local file.
* @param toRemotePath Path to a remote file to write to.
*/
uploadFrom(source: Readable | string, toRemotePath: string, options?: UploadOptions): Promise<FTPResponse>;
/**
* Upload data from a readable stream or a local file by appending it to an existing file. If the file doesn't
* exist the FTP server should create it.
*
* @param source Readable stream or path to a local file.
* @param toRemotePath Path to a remote file to write to.
*/
appendFrom(source: Readable | string, toRemotePath: string, options?: UploadOptions): Promise<FTPResponse>;
/**
* @protected
*/
protected _uploadWithCommand(source: Readable | string, remotePath: string, command: UploadCommand, options: UploadOptions): Promise<FTPResponse>;
/**
* @protected
*/
protected _uploadLocalFile(localPath: string, remotePath: string, command: UploadCommand, options: UploadOptions): Promise<FTPResponse>;
/**
* @protected
*/
protected _uploadFromStream(source: Readable, remotePath: string, command: UploadCommand): Promise<FTPResponse>;
/**
* Download a remote file and pipe its data to a writable stream or to a local file.
*
* You can optionally define at which position of the remote file you'd like to start
* downloading. If the destination you provide is a file, the offset will be applied
* to it as well. For example: To resume a failed download, you'd request the size of
* the local, partially downloaded file and use that as the offset. Assuming the size
* is 23, you'd download the rest using `downloadTo("local.txt", "remote.txt", 23)`.
*
* @param destination Stream or path for a local file to write to.
* @param fromRemotePath Path of the remote file to read from.
* @param startAt Position within the remote file to start downloading at. If the destination is a file, this offset is also applied to it.
*/
downloadTo(destination: Writable | string, fromRemotePath: string, startAt?: number): Promise<FTPResponse>;
/**
* @protected
*/
protected _downloadToFile(localPath: string, remotePath: string, startAt: number): Promise<FTPResponse>;
/**
* @protected
*/
protected _downloadToStream(destination: Writable, remotePath: string, startAt: number): Promise<FTPResponse>;
/**
* List files and directories in the current working directory, or from `path` if specified.
*
* @param [path] Path to remote file or directory.
*/
list(path?: string): Promise<FileInfo[]>;
/**
* @protected
*/
protected _requestListWithCommand(command: string): Promise<FileInfo[]>;
/**
* Remove a directory and all of its content.
*
* @param remoteDirPath The path of the remote directory to delete.
* @example client.removeDir("foo") // Remove directory 'foo' using a relative path.
* @example client.removeDir("foo/bar") // Remove directory 'bar' using a relative path.
* @example client.removeDir("/foo/bar") // Remove directory 'bar' using an absolute path.
* @example client.removeDir("/") // Remove everything.
*/
removeDir(remoteDirPath: string): Promise<void>;
/**
* Remove all files and directories in the working directory without removing
* the working directory itself.
*/
clearWorkingDir(): Promise<void>;
/**
* Upload the contents of a local directory to the remote working directory.
*
* This will overwrite existing files with the same names and reuse existing directories.
* Unrelated files and directories will remain untouched. You can optionally provide a `remoteDirPath`
* to put the contents inside a directory which will be created if necessary including all
* intermediate directories. If you did provide a remoteDirPath the working directory will stay
* the same as before calling this method.
*
* @param localDirPath Local path, e.g. "foo/bar" or "../test"
* @param [remoteDirPath] Remote path of a directory to upload to. Working directory if undefined.
*/
uploadFromDir(localDirPath: string, remoteDirPath?: string): Promise<void>;
/**
* @protected
*/
protected _uploadToWorkingDir(localDirPath: string): Promise<void>;
/**
* Download all files and directories of the working directory to a local directory.
*
* @param localDirPath The local directory to download to.
* @param remoteDirPath Remote directory to download. Current working directory if not specified.
*/
downloadToDir(localDirPath: string, remoteDirPath?: string): Promise<void>;
/**
* @protected
*/
protected _downloadFromWorkingDir(localDirPath: string): Promise<void>;
/**
* Make sure a given remote path exists, creating all directories as necessary.
* This function also changes the current working directory to the given path.
*/
ensureDir(remoteDirPath: string): Promise<void>;
/**
* Try to create a directory and enter it. This will not raise an exception if the directory
* couldn't be created if for example it already exists.
* @protected
*/
protected _openDir(dirName: string): Promise<void>;
/**
* Remove an empty directory, will fail if not empty.
*/
removeEmptyDir(path: string): Promise<FTPResponse>;
/**
* FTP servers can't handle filenames that have leading whitespace. This method transforms
* a given path to fix that issue for most cases.
*/
protectWhitespace(path: string): Promise<string>;
protected _exitAtCurrentDirectory<T>(func: () => Promise<T>): Promise<T>;
/**
* Try all available transfer strategies and pick the first one that works. Update `client` to
* use the working strategy for all successive transfer requests.
*
* @returns a function that will try the provided strategies.
*/
protected _enterFirstCompatibleMode(strategies: TransferStrategy[]): TransferStrategy;
/**
* DEPRECATED, use `uploadFrom`.
* @deprecated
*/
upload(source: Readable | string, toRemotePath: string, options?: UploadOptions): Promise<FTPResponse>;
/**
* DEPRECATED, use `appendFrom`.
* @deprecated
*/
append(source: Readable | string, toRemotePath: string, options?: UploadOptions): Promise<FTPResponse>;
/**
* DEPRECATED, use `downloadTo`.
* @deprecated
*/
download(destination: Writable | string, fromRemotePath: string, startAt?: number): Promise<FTPResponse>;
/**
* DEPRECATED, use `uploadFromDir`.
* @deprecated
*/
uploadDir(localDirPath: string, remoteDirPath?: string): Promise<void>;
/**
* DEPRECATED, use `downloadToDir`.
* @deprecated
*/
downloadDir(localDirPath: string): Promise<void>;
}