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2x 2x 2x 2x 125x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 125x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 5x 125x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 125x 6x 6x 6x 6x 125x 5x 5x 5x 5x 5x 1x 125x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 125x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 125x 2x 125x 2x 125x 2x 125x 44x 44x 44x 44x 44x 44x 44x 44x 44x 44x 4x 40x 12x 12x 44x 44x 44x 44x 44x 44x 44x 44x 125x 125x 125x | import type {NfsFsClient, Nfsv4Client} from './types';
import type * as misc from 'memfs/lib/node/types/misc';
import type * as opts from 'memfs/lib/node/types/options';
import {nfs} from '../builder';
import type * as msg from '../messages';
import * as structs from '../structs';
import {
Nfsv4Stat,
Nfsv4OpenAccess,
Nfsv4OpenDeny,
Nfsv4StableHow,
Nfsv4Attr,
Nfsv4FType,
Nfsv4Access,
} from '../constants';
import {Writer} from '@jsonjoy.com/buffers/lib/Writer';
import {Reader} from '@jsonjoy.com/buffers/lib/Reader';
import {XdrEncoder} from '../../../xdr/XdrEncoder';
import {XdrDecoder} from '../../../xdr/XdrDecoder';
import {NfsFsStats} from './NfsFsStats';
import {NfsFsDir} from './NfsFsDir';
import {NfsFsDirent} from './NfsFsDirent';
import {NfsFsFileHandle} from './NfsFsFileHandle';
export class Nfsv4FsClient implements NfsFsClient {
constructor(public readonly fs: Nfsv4Client) {}
private readonly openOwnerSeqids: Map<string, number> = new Map();
private readonly defaultOpenOwnerId = new Uint8Array([1, 2, 3, 4]);
private makeOpenOwnerKey(owner: structs.Nfsv4OpenOwner): string {
return `${owner.clientid}:${Buffer.from(owner.owner).toString('hex')}`;
}
private nextOpenOwnerSeqid(owner: structs.Nfsv4OpenOwner): number {
const key = this.makeOpenOwnerKey(owner);
const last = this.openOwnerSeqids.get(key);
const next = last === undefined ? 0 : last === 0xffffffff ? 1 : (last + 1) >>> 0;
this.openOwnerSeqids.set(key, next);
return next;
}
private createDefaultOpenOwner(): structs.Nfsv4OpenOwner {
return nfs.OpenOwner(BigInt(1), new Uint8Array(this.defaultOpenOwnerId));
}
private attrNumsToBitmap(attrNums: number[]): number[] {
const bitmap: number[] = [];
for (const attrNum of attrNums) {
const wordIndex = Math.floor(attrNum / 32);
const bitIndex = attrNum % 32;
while (bitmap.length <= wordIndex) {
bitmap.push(0);
}
bitmap[wordIndex] |= 1 << bitIndex;
}
return bitmap;
}
private parsePath(path: string): string[] {
const normalized = path.replace(/^\/+/, '').replace(/\/+$/, '');
if (!normalized) return [];
return normalized.split('/').filter((part) => part.length > 0);
}
private navigateToParent(parts: string[]): msg.Nfsv4Request[] {
const operations: msg.Nfsv4Request[] = [nfs.PUTROOTFH()];
for (const part of parts.slice(0, -1)) {
operations.push(nfs.LOOKUP(part));
}
return operations;
}
private navigateToPath(parts: string[]): msg.Nfsv4Request[] {
const operations: msg.Nfsv4Request[] = [nfs.PUTROOTFH()];
for (const part of parts) {
operations.push(nfs.LOOKUP(part));
}
return operations;
}
private encodeData(data: misc.TPromisesData): Uint8Array {
if (data instanceof Uint8Array) return data;
Iif (data instanceof ArrayBuffer) return new Uint8Array(data);
if (typeof data === 'string') return new TextEncoder().encode(data);
Iif (Buffer.isBuffer(data)) return new Uint8Array(data);
throw new Error('Unsupported data type');
}
private decodeData(data: Uint8Array, encoding?: string): misc.TDataOut {
if (!encoding || encoding === 'buffer') return Buffer.from(data);
return new TextDecoder(encoding).decode(data);
}
public readonly closeStateid = async (
openOwner: structs.Nfsv4OpenOwner,
stateid: structs.Nfsv4Stateid,
): Promise<void> => {
const key = this.makeOpenOwnerKey(openOwner);
const previousSeqid = this.openOwnerSeqids.get(key);
const seqid = this.nextOpenOwnerSeqid(openOwner);
const response = await this.fs.compound([nfs.CLOSE(seqid, stateid)]);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
if (previousSeqid !== undefined) {
this.openOwnerSeqids.set(key, previousSeqid);
} else {
this.openOwnerSeqids.delete(key);
}
throw new Error(`Failed to close file: ${response.status}`);
}
};
public readonly readFile = async (
id: misc.TFileHandle,
options?: opts.IReadFileOptions | string,
): Promise<misc.TDataOut> => {
const encoding = typeof options === 'string' ? options : options?.encoding;
const path = typeof id === 'string' ? id : id.toString();
const parts = this.parsePath(path);
const operations = this.navigateToParent(parts);
const filename = parts[parts.length - 1];
const openOwner = this.createDefaultOpenOwner();
const claim = nfs.OpenClaimNull(filename);
const openSeqid = this.nextOpenOwnerSeqid(openOwner);
operations.push(
nfs.OPEN(
openSeqid,
Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_READ,
Nfsv4OpenDeny.OPEN4_SHARE_DENY_NONE,
openOwner,
nfs.OpenHowNoCreate(),
claim,
),
);
const openResponse = await this.fs.compound(operations);
Iif (openResponse.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to open file: ${openResponse.status}`);
}
const openRes = openResponse.resarray[openResponse.resarray.length - 1] as msg.Nfsv4OpenResponse;
Iif (openRes.status !== Nfsv4Stat.NFS4_OK || !openRes.resok) {
throw new Error(`Failed to open file: ${openRes.status}`);
}
const stateid = openRes.resok.stateid;
const chunks: Uint8Array[] = [];
let offset = BigInt(0);
const chunkSize = 65536;
try {
while (true) {
const readResponse = await this.fs.compound([nfs.READ(offset, chunkSize, stateid)]);
Iif (readResponse.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to read file: ${readResponse.status}`);
}
const readRes = readResponse.resarray[0] as msg.Nfsv4ReadResponse;
Iif (readRes.status !== Nfsv4Stat.NFS4_OK || !readRes.resok) {
throw new Error(`Failed to read file: ${readRes.status}`);
}
if (readRes.resok.data.length > 0) {
chunks.push(readRes.resok.data);
offset += BigInt(readRes.resok.data.length);
}
if (readRes.resok.eof) break;
}
} finally {
await this.closeStateid(openOwner, stateid);
}
const totalLength = chunks.reduce((sum, chunk) => sum + chunk.length, 0);
const result = new Uint8Array(totalLength);
let position = 0;
for (const chunk of chunks) {
result.set(chunk, position);
position += chunk.length;
}
return this.decodeData(result, encoding);
};
public readonly writeFile = async (
id: misc.TFileHandle,
data: misc.TPromisesData,
options?: opts.IWriteFileOptions,
): Promise<void> => {
const path = typeof id === 'string' ? id : id.toString();
const parts = this.parsePath(path);
const operations = this.navigateToParent(parts);
const filename = parts[parts.length - 1];
const openOwner = this.createDefaultOpenOwner();
const claim = nfs.OpenClaimNull(filename);
const openSeqid = this.nextOpenOwnerSeqid(openOwner);
operations.push(
nfs.OPEN(
openSeqid,
Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_WRITE,
Nfsv4OpenDeny.OPEN4_SHARE_DENY_NONE,
openOwner,
nfs.OpenHowCreateUnchecked(),
claim,
),
);
const writer = new Writer(16);
const xdr = new XdrEncoder(writer);
xdr.writeUnsignedHyper(BigInt(0));
const attrVals = writer.flush();
const truncateAttrs = nfs.Fattr([Nfsv4Attr.FATTR4_SIZE], attrVals);
const stateid = nfs.Stateid(0, new Uint8Array(12));
operations.push(nfs.SETATTR(stateid, truncateAttrs));
const openResponse = await this.fs.compound(operations);
Iif (openResponse.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to open file: ${openResponse.status}`);
}
const openRes = openResponse.resarray[openResponse.resarray.length - 2] as msg.Nfsv4OpenResponse;
Iif (openRes.status !== Nfsv4Stat.NFS4_OK || !openRes.resok) {
throw new Error(`Failed to open file: ${openRes.status}`);
}
const openStateid = openRes.resok.stateid;
const buffer = this.encodeData(data);
const chunkSize = 65536;
try {
let offset = BigInt(0);
for (let i = 0; i < buffer.length; i += chunkSize) {
const chunk = buffer.slice(i, Math.min(i + chunkSize, buffer.length));
const writeResponse = await this.fs.compound([
nfs.WRITE(openStateid, offset, Nfsv4StableHow.FILE_SYNC4, chunk),
]);
Iif (writeResponse.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to write file: ${writeResponse.status}`);
}
const writeRes = writeResponse.resarray[0] as msg.Nfsv4WriteResponse;
Iif (writeRes.status !== Nfsv4Stat.NFS4_OK || !writeRes.resok) {
throw new Error(`Failed to write file: ${writeRes.status}`);
}
offset += BigInt(writeRes.resok.count);
}
} finally {
await this.closeStateid(openOwner, openStateid);
}
};
public readonly stat = async (path: misc.PathLike, options?: opts.IStatOptions): Promise<misc.IStats> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToPath(parts);
const attrNums = [
Nfsv4Attr.FATTR4_TYPE,
Nfsv4Attr.FATTR4_SIZE,
Nfsv4Attr.FATTR4_FILEID,
Nfsv4Attr.FATTR4_MODE,
Nfsv4Attr.FATTR4_NUMLINKS,
Nfsv4Attr.FATTR4_SPACE_USED,
Nfsv4Attr.FATTR4_TIME_ACCESS,
Nfsv4Attr.FATTR4_TIME_MODIFY,
Nfsv4Attr.FATTR4_TIME_METADATA,
];
const attrMask = this.attrNumsToBitmap(attrNums);
operations.push(nfs.GETATTR(attrMask));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to stat file: ${response.status}`);
}
const getattrRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4GetattrResponse;
Iif (getattrRes.status !== Nfsv4Stat.NFS4_OK || !getattrRes.resok) {
throw new Error(`Failed to get attributes: ${getattrRes.status}`);
}
const fattr = getattrRes.resok.objAttributes;
const reader = new Reader();
reader.reset(fattr.attrVals);
const xdr = new XdrDecoder(reader);
let fileType = Nfsv4FType.NF4REG;
let size = 0;
let fileid = 0;
let mode = 0;
let nlink = 1;
let spaceUsed = 0;
let atime = new Date(0);
let mtime = new Date(0);
let ctime = new Date(0);
const returnedMask = fattr.attrmask.mask;
for (let i = 0; i < returnedMask.length; i++) {
const word = returnedMask[i];
Iif (!word) continue;
for (let bit = 0; bit < 32; bit++) {
if (!(word & (1 << bit))) continue;
const attrNum = i * 32 + bit;
switch (attrNum) {
case Nfsv4Attr.FATTR4_TYPE:
fileType = xdr.readUnsignedInt();
break;
case Nfsv4Attr.FATTR4_SIZE:
size = Number(xdr.readUnsignedHyper());
break;
case Nfsv4Attr.FATTR4_FILEID:
fileid = Number(xdr.readUnsignedHyper());
break;
case Nfsv4Attr.FATTR4_MODE:
mode = xdr.readUnsignedInt();
break;
case Nfsv4Attr.FATTR4_NUMLINKS:
nlink = xdr.readUnsignedInt();
break;
case Nfsv4Attr.FATTR4_SPACE_USED:
spaceUsed = Number(xdr.readUnsignedHyper());
break;
case Nfsv4Attr.FATTR4_TIME_ACCESS: {
const seconds = Number(xdr.readHyper());
const nseconds = xdr.readUnsignedInt();
atime = new Date(seconds * 1000 + nseconds / 1000000);
break;
}
case Nfsv4Attr.FATTR4_TIME_MODIFY: {
const seconds = Number(xdr.readHyper());
const nseconds = xdr.readUnsignedInt();
mtime = new Date(seconds * 1000 + nseconds / 1000000);
break;
}
case Nfsv4Attr.FATTR4_TIME_METADATA: {
const seconds = Number(xdr.readHyper());
const nseconds = xdr.readUnsignedInt();
ctime = new Date(seconds * 1000 + nseconds / 1000000);
break;
}
}
}
}
const blocks = Math.ceil(spaceUsed / 512);
return new NfsFsStats(
0,
0,
0,
4096,
fileid,
size,
blocks,
atime,
mtime,
ctime,
mtime,
atime.getTime(),
mtime.getTime(),
ctime.getTime(),
mtime.getTime(),
0,
mode,
nlink,
fileType,
);
};
public readonly lstat = async (path: misc.PathLike, options?: opts.IStatOptions): Promise<misc.IStats> => {
return this.stat(path, options);
};
public readonly mkdir = async (
path: misc.PathLike,
options?: misc.TMode | opts.IMkdirOptions,
): Promise<string | undefined> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
Iif (parts.length === 0) {
throw new Error('Cannot create root directory');
}
const operations = this.navigateToParent(parts);
const dirname = parts[parts.length - 1];
const createType = nfs.CreateTypeDir();
const emptyAttrs = nfs.Fattr([], new Uint8Array(0));
operations.push(nfs.CREATE(createType, dirname, emptyAttrs));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to create directory: ${response.status}`);
}
const createRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4CreateResponse;
Iif (createRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to create directory: ${createRes.status}`);
}
return undefined;
};
public readonly readdir = async (
path: misc.PathLike,
options?: opts.IReaddirOptions | string,
): Promise<misc.TDataOut[] | misc.IDirent[]> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const withFileTypes = typeof options === 'object' && options?.withFileTypes;
const encoding = typeof options === 'string' ? options : options?.encoding;
const parts = this.parsePath(pathStr);
const operations = this.navigateToPath(parts);
const attrNums = withFileTypes ? [Nfsv4Attr.FATTR4_TYPE] : [];
const attrMask = this.attrNumsToBitmap(attrNums);
operations.push(nfs.READDIR(attrMask));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to read directory: ${response.status}`);
}
const readdirRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4ReaddirResponse;
Iif (readdirRes.status !== Nfsv4Stat.NFS4_OK || !readdirRes.resok) {
throw new Error(`Failed to read directory: ${readdirRes.status}`);
}
const entries: string[] = [];
const dirents: misc.IDirent[] = [];
const entryList = readdirRes.resok.entries;
for (let i = 0; i < entryList.length; i++) {
const entry = entryList[i];
const name = entry.name;
if (withFileTypes) {
const fattr = entry.attrs;
const reader = new Reader();
reader.reset(fattr.attrVals);
const xdr = new XdrDecoder(reader);
let fileType = Nfsv4FType.NF4REG;
const returnedMask = fattr.attrmask.mask;
for (let i = 0; i < returnedMask.length; i++) {
const word = returnedMask[i];
Iif (!word) continue;
for (let bit = 0; bit < 32; bit++) {
if (!(word & (1 << bit))) continue;
const attrNum = i * 32 + bit;
if (attrNum === Nfsv4Attr.FATTR4_TYPE) {
fileType = xdr.readUnsignedInt();
}
}
}
dirents.push(new NfsFsDirent(name, fileType));
} else {
entries.push(name);
}
}
if (withFileTypes) {
return dirents;
}
Iif (encoding && encoding !== 'utf8') {
return entries.map((name) => Buffer.from(name, 'utf8'));
}
return entries;
};
public readonly appendFile = async (
path: misc.TFileHandle,
data: misc.TData,
options?: opts.IAppendFileOptions | string,
): Promise<void> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToParent(parts);
const filename = parts[parts.length - 1];
const openOwner = this.createDefaultOpenOwner();
const claim = nfs.OpenClaimNull(filename);
const openSeqid = this.nextOpenOwnerSeqid(openOwner);
operations.push(
nfs.OPEN(
openSeqid,
Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_WRITE,
Nfsv4OpenDeny.OPEN4_SHARE_DENY_NONE,
openOwner,
nfs.OpenHowNoCreate(),
claim,
),
);
const attrNums = [Nfsv4Attr.FATTR4_SIZE];
const attrMask = this.attrNumsToBitmap(attrNums);
operations.push(nfs.GETATTR(attrMask));
const openResponse = await this.fs.compound(operations);
Iif (openResponse.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to open file: ${openResponse.status}`);
}
const openRes = openResponse.resarray[openResponse.resarray.length - 2] as msg.Nfsv4OpenResponse;
Iif (openRes.status !== Nfsv4Stat.NFS4_OK || !openRes.resok) {
throw new Error(`Failed to open file: ${openRes.status}`);
}
const getattrRes = openResponse.resarray[openResponse.resarray.length - 1] as msg.Nfsv4GetattrResponse;
Iif (getattrRes.status !== Nfsv4Stat.NFS4_OK || !getattrRes.resok) {
throw new Error(`Failed to get attributes: ${getattrRes.status}`);
}
const fattr = getattrRes.resok.objAttributes;
const reader = new Reader();
reader.reset(fattr.attrVals);
const xdr = new XdrDecoder(reader);
const currentSize = Number(xdr.readUnsignedHyper());
const openStateid = openRes.resok.stateid;
const buffer = this.encodeData(data);
const chunkSize = 65536;
try {
let offset = BigInt(currentSize);
for (let i = 0; i < buffer.length; i += chunkSize) {
const chunk = buffer.slice(i, Math.min(i + chunkSize, buffer.length));
const writeResponse = await this.fs.compound([
nfs.WRITE(openStateid, offset, Nfsv4StableHow.FILE_SYNC4, chunk),
]);
Iif (writeResponse.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to write file: ${writeResponse.status}`);
}
const writeRes = writeResponse.resarray[0] as msg.Nfsv4WriteResponse;
Iif (writeRes.status !== Nfsv4Stat.NFS4_OK || !writeRes.resok) {
throw new Error(`Failed to write file: ${writeRes.status}`);
}
offset += BigInt(writeRes.resok.count);
}
} finally {
await this.closeStateid(openOwner, openStateid);
}
};
public readonly truncate = async (path: misc.PathLike, len: number = 0): Promise<void> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToPath(parts);
const writer = new Writer(16);
const xdr = new XdrEncoder(writer);
xdr.writeUnsignedHyper(BigInt(len));
const attrVals = writer.flush();
const sizeAttrs = nfs.Fattr([Nfsv4Attr.FATTR4_SIZE], attrVals);
const stateid = nfs.Stateid(0, new Uint8Array(12));
operations.push(nfs.SETATTR(stateid, sizeAttrs));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to truncate file: ${response.status}`);
}
const setattrRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4SetattrResponse;
Iif (setattrRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to truncate file: ${setattrRes.status}`);
}
};
public readonly unlink = async (path: misc.PathLike): Promise<void> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
Iif (parts.length === 0) {
throw new Error('Cannot unlink root directory');
}
const operations = this.navigateToParent(parts);
const filename = parts[parts.length - 1];
operations.push(nfs.REMOVE(filename));
const response = await this.fs.compound(operations);
if (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to unlink file: ${response.status}`);
}
const removeRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4RemoveResponse;
Iif (removeRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to unlink file: ${removeRes.status}`);
}
};
public readonly rmdir = async (path: misc.PathLike, options?: opts.IRmdirOptions): Promise<void> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
Iif (parts.length === 0) {
throw new Error('Cannot remove root directory');
}
const operations = this.navigateToParent(parts);
const dirname = parts[parts.length - 1];
operations.push(nfs.REMOVE(dirname));
const response = await this.fs.compound(operations);
if (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to remove directory: ${response.status}`);
}
const removeRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4RemoveResponse;
Iif (removeRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to remove directory: ${removeRes.status}`);
}
};
public readonly rm = async (path: misc.PathLike, options?: opts.IRmOptions): Promise<void> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
Iif (parts.length === 0) {
throw new Error('Cannot remove root directory');
}
const force = options?.force ?? false;
const recursive = options?.recursive ?? false;
if (recursive) {
try {
const stats = await this.stat(path);
if (stats.isDirectory()) {
const entries = await this.readdir(path);
for (const entry of entries) {
const entryPath = pathStr + '/' + entry;
await this.rm(entryPath, options);
}
}
} catch (err) {
Iif (!force) throw err;
return;
}
}
try {
const operations = this.navigateToParent(parts);
const name = parts[parts.length - 1];
operations.push(nfs.REMOVE(name));
const response = await this.fs.compound(operations);
if (response.status !== Nfsv4Stat.NFS4_OK) {
if (!force) throw new Error(`Failed to remove: ${response.status}`);
return;
}
const removeRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4RemoveResponse;
Iif (removeRes.status !== Nfsv4Stat.NFS4_OK) {
Iif (!force) throw new Error(`Failed to remove: ${removeRes.status}`);
}
} catch (err) {
if (!force) throw err;
}
};
public readonly access = async (path: misc.PathLike, mode: number = 0): Promise<void> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToPath(parts);
let accessMask = 0;
if (mode === 0) {
accessMask = Nfsv4Access.ACCESS4_READ;
} else E{
Iif (mode & 4) accessMask |= Nfsv4Access.ACCESS4_READ;
Iif (mode & 2) accessMask |= Nfsv4Access.ACCESS4_MODIFY;
Iif (mode & 1) accessMask |= Nfsv4Access.ACCESS4_EXECUTE;
}
operations.push(nfs.ACCESS(accessMask));
const response = await this.fs.compound(operations);
if (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Access denied: ${response.status}`);
}
const accessRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4AccessResponse;
Iif (accessRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Access denied: ${accessRes.status}`);
}
};
public readonly rename = async (oldPath: misc.PathLike, newPath: misc.PathLike): Promise<void> => {
const oldPathStr = typeof oldPath === 'string' ? oldPath : oldPath.toString();
const newPathStr = typeof newPath === 'string' ? newPath : newPath.toString();
const oldParts = this.parsePath(oldPathStr);
const newParts = this.parsePath(newPathStr);
Iif (oldParts.length === 0 || newParts.length === 0) {
throw new Error('Cannot rename root directory');
}
const operations: msg.Nfsv4Request[] = [];
operations.push(nfs.PUTROOTFH());
for (const part of oldParts.slice(0, -1)) {
operations.push(nfs.LOOKUP(part));
}
operations.push(nfs.SAVEFH());
operations.push(nfs.PUTROOTFH());
for (const part of newParts.slice(0, -1)) {
operations.push(nfs.LOOKUP(part));
}
const oldname = oldParts[oldParts.length - 1];
const newname = newParts[newParts.length - 1];
operations.push(nfs.RENAME(oldname, newname));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to rename: ${response.status}`);
}
const renameRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4RenameResponse;
Iif (renameRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to rename: ${renameRes.status}`);
}
};
public readonly copyFile = async (
src: misc.PathLike,
dest: misc.PathLike,
flags?: misc.TFlagsCopy,
): Promise<void> => {
const data = await this.readFile(src);
await this.writeFile(dest, data);
};
public readonly realpath = async (
path: misc.PathLike,
options?: opts.IRealpathOptions | string,
): Promise<misc.TDataOut> => {
const encoding = typeof options === 'string' ? options : options?.encoding;
const pathStr = typeof path === 'string' ? path : path.toString();
const normalized = '/' + this.parsePath(pathStr).join('/');
if (!encoding || encoding === 'utf8') {
return normalized;
}
return Buffer.from(normalized, 'utf8');
};
public readonly link = async (existingPath: misc.PathLike, newPath: misc.PathLike): Promise<void> => {
const existingPathStr = typeof existingPath === 'string' ? existingPath : existingPath.toString();
const newPathStr = typeof newPath === 'string' ? newPath : newPath.toString();
const existingParts = this.parsePath(existingPathStr);
const newParts = this.parsePath(newPathStr);
Iif (newParts.length === 0) {
throw new Error('Cannot create link at root');
}
const operations = this.navigateToPath(existingParts);
operations.push(nfs.SAVEFH());
operations.push(nfs.PUTROOTFH());
for (const part of newParts.slice(0, -1)) {
operations.push(nfs.LOOKUP(part));
}
const newname = newParts[newParts.length - 1];
operations.push(nfs.LINK(newname));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to create link: ${response.status}`);
}
const linkRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4LinkResponse;
Iif (linkRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to create link: ${linkRes.status}`);
}
};
public readonly symlink = async (
target: misc.PathLike,
path: misc.PathLike,
type?: misc.symlink.Type,
): Promise<void> => {
const targetStr = typeof target === 'string' ? target : target.toString();
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
Iif (parts.length === 0) {
throw new Error('Cannot create symlink at root');
}
const operations = this.navigateToParent(parts);
const linkname = parts[parts.length - 1];
const createType = new structs.Nfsv4CreateType(Nfsv4FType.NF4LNK, new structs.Nfsv4CreateTypeLink(targetStr));
const emptyAttrs = nfs.Fattr([], new Uint8Array(0));
operations.push(nfs.CREATE(createType, linkname, emptyAttrs));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to create symlink: ${response.status}`);
}
const createRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4CreateResponse;
Iif (createRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to create symlink: ${createRes.status}`);
}
};
public readonly utimes = async (path: misc.PathLike, atime: misc.TTime, mtime: misc.TTime): Promise<void> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToPath(parts);
const atimeMs = typeof atime === 'number' ? atime : atime instanceof Date ? atime.getTime() : Date.now();
const mtimeMs = typeof mtime === 'number' ? mtime : mtime instanceof Date ? mtime.getTime() : Date.now();
const writer = new Writer(64);
const xdr = new XdrEncoder(writer);
xdr.writeUnsignedInt(1);
xdr.writeHyper(BigInt(Math.floor(atimeMs / 1000)));
xdr.writeUnsignedInt((atimeMs % 1000) * 1000000);
xdr.writeUnsignedInt(1);
xdr.writeHyper(BigInt(Math.floor(mtimeMs / 1000)));
xdr.writeUnsignedInt((mtimeMs % 1000) * 1000000);
const attrVals = writer.flush();
const timeAttrs = nfs.Fattr([Nfsv4Attr.FATTR4_TIME_ACCESS_SET, Nfsv4Attr.FATTR4_TIME_MODIFY_SET], attrVals);
const stateid = nfs.Stateid(0, new Uint8Array(12));
operations.push(nfs.SETATTR(stateid, timeAttrs));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to set times: ${response.status}`);
}
const setattrRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4SetattrResponse;
Iif (setattrRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to set times: ${setattrRes.status}`);
}
};
public readonly readlink = async (path: misc.PathLike, options?: opts.IOptions): Promise<misc.TDataOut> => {
const encoding = typeof options === 'string' ? options : options?.encoding;
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToPath(parts);
operations.push(nfs.READLINK());
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to read link: ${response.status}`);
}
const readlinkRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4ReadlinkResponse;
Iif (readlinkRes.status !== Nfsv4Stat.NFS4_OK || !readlinkRes.resok) {
throw new Error(`Failed to read link: ${readlinkRes.status}`);
}
if (!encoding || encoding === 'utf8') {
return readlinkRes.resok.link;
}
return Buffer.from(readlinkRes.resok.link, 'utf8');
};
public readonly opendir = async (path: misc.PathLike, options?: opts.IOpendirOptions): Promise<misc.IDir> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToPath(parts);
return new NfsFsDir(pathStr, this.fs, operations);
};
public readonly mkdtemp = async (prefix: string, options?: opts.IOptions): Promise<misc.TDataOut> => {
const encoding = typeof options === 'string' ? options : options?.encoding;
const randomSuffix = Math.random().toString(36).substring(2, 8);
const dirName = prefix + randomSuffix;
await this.mkdir(dirName);
if (!encoding || encoding === 'utf8') return dirName;
return Buffer.from(dirName, 'utf8');
};
public readonly chmod = async (path: misc.PathLike, mode: misc.TMode): Promise<void> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToPath(parts);
const modeValue = typeof mode === 'number' ? mode : parseInt(mode.toString(), 8);
const writer = new Writer(8);
const xdr = new XdrEncoder(writer);
xdr.writeUnsignedInt(modeValue);
const attrVals = writer.flush();
const attrs = nfs.Fattr([Nfsv4Attr.FATTR4_MODE], attrVals);
const stateid = nfs.Stateid(0, new Uint8Array(12));
operations.push(nfs.SETATTR(stateid, attrs));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to chmod: ${response.status}`);
}
const setattrRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4SetattrResponse;
Iif (setattrRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to chmod: ${setattrRes.status}`);
}
};
public readonly chown = async (path: misc.PathLike, uid: number, gid: number): Promise<void> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToPath(parts);
const writer = new Writer(64);
const xdr = new XdrEncoder(writer);
xdr.writeStr(uid.toString());
xdr.writeStr(gid.toString());
const attrVals = writer.flush();
const attrs = nfs.Fattr([Nfsv4Attr.FATTR4_OWNER, Nfsv4Attr.FATTR4_OWNER_GROUP], attrVals);
const stateid = nfs.Stateid(0, new Uint8Array(12));
operations.push(nfs.SETATTR(stateid, attrs));
const response = await this.fs.compound(operations);
Iif (response.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to chown: ${response.status}`);
}
const setattrRes = response.resarray[response.resarray.length - 1] as msg.Nfsv4SetattrResponse;
Iif (setattrRes.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to chown: ${setattrRes.status}`);
}
};
public readonly lchmod = async (path: misc.PathLike, mode: misc.TMode): Promise<void> => {
return this.chmod(path, mode);
};
public readonly lchown = async (path: misc.PathLike, uid: number, gid: number): Promise<void> => {
return this.chown(path, uid, gid);
};
public readonly lutimes = async (path: misc.PathLike, atime: misc.TTime, mtime: misc.TTime): Promise<void> => {
return this.utimes(path, atime, mtime);
};
public readonly open = async (
path: misc.PathLike,
flags?: misc.TFlags,
mode?: misc.TMode,
): Promise<misc.IFileHandle> => {
const pathStr = typeof path === 'string' ? path : path.toString();
const parts = this.parsePath(pathStr);
const operations = this.navigateToParent(parts);
const filename = parts[parts.length - 1];
const openOwner = this.createDefaultOpenOwner();
const claim = nfs.OpenClaimNull(filename);
let access = Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_READ;
const openSeqid = this.nextOpenOwnerSeqid(openOwner);
if (typeof flags === 'string') {
if (flags.includes('r') && flags.includes('+')) {
access = Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_BOTH;
} else if (flags.includes('w') || flags.includes('a')) {
access = Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_WRITE;
Iif (flags.includes('+')) {
access = Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_BOTH;
}
}
} else IEif (typeof flags === 'number') {
const O_RDONLY = 0;
const O_WRONLY = 1;
const O_RDWR = 2;
const O_ACCMODE = 3;
const accessMode = flags & O_ACCMODE;
switch (accessMode) {
case O_RDONLY:
access = Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_READ;
break;
case O_WRONLY:
access = Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_WRITE;
break;
case O_RDWR:
access = Nfsv4OpenAccess.OPEN4_SHARE_ACCESS_BOTH;
break;
}
}
operations.push(
nfs.OPEN(openSeqid, access, Nfsv4OpenDeny.OPEN4_SHARE_DENY_NONE, openOwner, nfs.OpenHowNoCreate(), claim),
);
const openResponse = await this.fs.compound(operations);
Iif (openResponse.status !== Nfsv4Stat.NFS4_OK) {
throw new Error(`Failed to open file: ${openResponse.status}`);
}
const openRes = openResponse.resarray[openResponse.resarray.length - 1] as msg.Nfsv4OpenResponse;
Iif (openRes.status !== Nfsv4Stat.NFS4_OK || !openRes.resok) {
throw new Error(`Failed to open file: ${openRes.status}`);
}
const stateid = openRes.resok.stateid;
const fd = Math.floor(Math.random() * 1000000);
return new NfsFsFileHandle(fd, pathStr, this, stateid, openOwner);
};
public readonly statfs = (path: misc.PathLike, options?: opts.IStatOptions): Promise<misc.IStatFs> => {
throw new Error('Not implemented.');
};
public readonly watch = (
filename: misc.PathLike,
options?: opts.IWatchOptions,
): AsyncIterableIterator<{
eventType: string;
filename: string | Buffer;
}> => {
throw new Error('Not implemented.');
};
public readonly glob = (pattern: string, options?: opts.IGlobOptions): Promise<string[]> => {
throw new Error('Not implemented.');
};
}
|