Files
puter/packages/puter-js-common/src/PosixError.js
Sam Atkins c08c8bd073 Expose POSIX error name as PosixError.code
This matches the behaviour of Node.JS's errors, and some libraries
expect it.
2024-05-22 08:56:50 +01:00

282 lines
14 KiB
JavaScript

/*
* Copyright (C) 2024 Puter Technologies Inc.
*
* This file is part of Puter.
*
* Puter is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published
* by the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
const ErrorCodes = {
EACCES: Symbol.for('EACCES'),
EADDRINUSE: Symbol.for('EADDRINUSE'),
ECONNREFUSED: Symbol.for('ECONNREFUSED'),
ECONNRESET: Symbol.for('ECONNRESET'),
EEXIST: Symbol.for('EEXIST'),
EFBIG: Symbol.for('EFBIG'),
EINVAL: Symbol.for('EINVAL'),
EIO: Symbol.for('EIO'),
EISDIR: Symbol.for('EISDIR'),
EMFILE: Symbol.for('EMFILE'),
ENOENT: Symbol.for('ENOENT'),
ENOSPC: Symbol.for('ENOSPC'),
ENOTDIR: Symbol.for('ENOTDIR'),
ENOTEMPTY: Symbol.for('ENOTEMPTY'),
EPERM: Symbol.for('EPERM'),
EPIPE: Symbol.for('EPIPE'),
ETIMEDOUT: Symbol.for('ETIMEDOUT'),
// For when we need to convert errors that we don't recognise
EUNKNOWN: Symbol.for('EUNKNOWN'),
};
// Codes taken from `errno` on Linux.
const ErrorMetadata = new Map([
[ErrorCodes.EPERM, { code: 1, description: 'Operation not permitted' }],
[ErrorCodes.ENOENT, { code: 2, description: 'File or directory not found' }],
[ErrorCodes.EIO, { code: 5, description: 'IO error' }],
[ErrorCodes.EACCES, { code: 13, description: 'Permission denied' }],
[ErrorCodes.EEXIST, { code: 17, description: 'File already exists' }],
[ErrorCodes.ENOTDIR, { code: 20, description: 'Is not a directory' }],
[ErrorCodes.EISDIR, { code: 21, description: 'Is a directory' }],
[ErrorCodes.EINVAL, { code: 22, description: 'Argument invalid' }],
[ErrorCodes.EMFILE, { code: 24, description: 'Too many open files' }],
[ErrorCodes.EFBIG, { code: 27, description: 'File too big' }],
[ErrorCodes.ENOSPC, { code: 28, description: 'Device out of space' }],
[ErrorCodes.EPIPE, { code: 32, description: 'Pipe broken' }],
[ErrorCodes.ENOTEMPTY, { code: 39, description: 'Directory is not empty' }],
[ErrorCodes.EADDRINUSE, { code: 98, description: 'Address already in use' }],
[ErrorCodes.ECONNRESET, { code: 104, description: 'Connection reset'}],
[ErrorCodes.ETIMEDOUT, { code: 110, description: 'Connection timed out' }],
[ErrorCodes.ECONNREFUSED, { code: 111, description: 'Connection refused' }],
[ErrorCodes.EUNKNOWN, { code: -1, description: 'Unknown error' }],
]);
const errorFromIntegerCode = (code) => {
for (const [errorCode, metadata] of ErrorMetadata) {
if (metadata.code === code) {
return errorCode;
}
}
return undefined;
};
class PosixError extends Error {
// posixErrorCode can be either a string, or one of the ErrorCodes above.
// If message is undefined, a default message will be used.
constructor(posixErrorCode, message) {
let posixCode;
if (typeof posixErrorCode === 'symbol') {
if (ErrorCodes[Symbol.keyFor(posixErrorCode)] !== posixErrorCode) {
throw new Error(`Unrecognized POSIX error code: '${posixErrorCode}'`);
}
posixCode = posixErrorCode;
} else {
const code = ErrorCodes[posixErrorCode];
if (!code) throw new Error(`Unrecognized POSIX error code: '${posixErrorCode}'`);
posixCode = code;
}
super(message ?? ErrorMetadata.get(posixCode).description);
this.posixCode = posixCode;
this.code = posixCode.description;
}
static fromNodeJSError(e) {
switch (e.code) {
case 'EACCES': return new PosixError(ErrorCodes.EACCES, e.message);
case 'EADDRINUSE': return new PosixError(ErrorCodes.EADDRINUSE, e.message);
case 'ECONNREFUSED': return new PosixError(ErrorCodes.ECONNREFUSED, e.message);
case 'ECONNRESET': return new PosixError(ErrorCodes.ECONNRESET, e.message);
case 'EEXIST': return new PosixError(ErrorCodes.EEXIST, e.message);
case 'EIO': return new PosixError(ErrorCodes.EIO, e.message);
case 'EISDIR': return new PosixError(ErrorCodes.EISDIR, e.message);
case 'EMFILE': return new PosixError(ErrorCodes.EMFILE, e.message);
case 'ENOENT': return new PosixError(ErrorCodes.ENOENT, e.message);
case 'ENOTDIR': return new PosixError(ErrorCodes.ENOTDIR, e.message);
case 'ENOTEMPTY': return new PosixError(ErrorCodes.ENOTEMPTY, e.message);
// ENOTFOUND is Node-specific. ECONNREFUSED is similar enough.
case 'ENOTFOUND': return new PosixError(ErrorCodes.ECONNREFUSED, e.message);
case 'EPERM': return new PosixError(ErrorCodes.EPERM, e.message);
case 'EPIPE': return new PosixError(ErrorCodes.EPIPE, e.message);
case 'ETIMEDOUT': return new PosixError(ErrorCodes.ETIMEDOUT, e.message);
}
// Some other kind of error
return new PosixError(ErrorCodes.EUNKNOWN, e.message);
}
static fromPuterAPIError(e) {
// Handle Puter SDK errors
switch (e.code) {
case 'item_with_same_name_exists': return new PosixError(ErrorCodes.EEXIST, e.message);
case 'cannot_move_item_into_itself': return new PosixError(ErrorCodes.EPERM, e.message);
case 'cannot_copy_item_into_itself': return new PosixError(ErrorCodes.EPERM, e.message);
case 'cannot_move_to_root': return new PosixError(ErrorCodes.EACCES, e.message);
case 'cannot_copy_to_root': return new PosixError(ErrorCodes.EACCES, e.message);
case 'cannot_write_to_root': return new PosixError(ErrorCodes.EACCES, e.message);
case 'cannot_overwrite_a_directory': return new PosixError(ErrorCodes.EPERM, e.message);
case 'cannot_read_a_directory': return new PosixError(ErrorCodes.EISDIR, e.message);
case 'source_and_dest_are_the_same': return new PosixError(ErrorCodes.EPERM, e.message);
case 'dest_is_not_a_directory': return new PosixError(ErrorCodes.ENOTDIR, e.message);
case 'dest_does_not_exist': return new PosixError(ErrorCodes.ENOENT, e.message);
case 'source_does_not_exist': return new PosixError(ErrorCodes.ENOENT, e.message);
case 'subject_does_not_exist': return new PosixError(ErrorCodes.ENOENT, e.message);
case 'shortcut_target_not_found': return new PosixError(ErrorCodes.ENOENT, e.message);
case 'shortcut_target_is_a_directory': return new PosixError(ErrorCodes.EISDIR, e.message);
case 'shortcut_target_is_a_file': return new PosixError(ErrorCodes.ENOTDIR, e.message);
case 'forbidden': return new PosixError(ErrorCodes.EPERM, e.message);
case 'immutable': return new PosixError(ErrorCodes.EACCES, e.message);
case 'field_empty': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'field_missing': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'xor_field_missing': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'field_only_valid_with_other_field': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'invalid_id': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'field_invalid': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'field_immutable': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'field_too_long': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'field_too_short': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'already_in_use': return new PosixError(ErrorCodes.EINVAL, e.message); // Not sure what this one is
case 'invalid_file_name': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'storage_limit_reached': return new PosixError(ErrorCodes.ENOSPC, e.message);
case 'internal_error': return new PosixError(ErrorCodes.ECONNRESET, e.message); // This isn't quite right
case 'response_timeout': return new PosixError(ErrorCodes.ETIMEDOUT, e.message);
case 'file_too_large': return new PosixError(ErrorCodes.EFBIG, e.message);
case 'thumbnail_too_large': return new PosixError(ErrorCodes.EFBIG, e.message);
case 'upload_failed': return new PosixError(ErrorCodes.ECONNRESET, e.message); // This isn't quite right
case 'missing_expected_metadata': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'overwrite_and_dedupe_exclusive': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'not_empty': return new PosixError(ErrorCodes.ENOTEMPTY, e.message);
// Write
case 'offset_without_existing_file': return new PosixError(ErrorCodes.ENOENT, e.message);
case 'offset_requires_overwrite': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'offset_requires_stream': return new PosixError(ErrorCodes.EPERM, e.message);
// Batch
case 'batch_too_many_files': return new PosixError(ErrorCodes.EINVAL, e.message);
case 'batch_missing_file': return new PosixError(ErrorCodes.EINVAL, e.message);
// TODO: Associate more of these with posix error codes
// Open
case 'no_suitable_app': break;
case 'app_does_not_exist': break;
// Apps
case 'app_name_already_in_use': break;
// Subdomains
case 'subdomain_limit_reached': break;
case 'subdomain_reserved': break;
// Users
case 'email_already_in_use': break;
case 'username_already_in_use': break;
case 'too_many_username_changes': break;
case 'token_invalid': break;
// drivers
case 'interface_not_found': break;
case 'no_implementation_available': break;
case 'method_not_found': break;
case 'missing_required_argument': break;
case 'argument_consolidation_failed': break;
// SLA
case 'rate_limit_exceeded': break;
case 'monthly_limit_exceeded': break;
case 'server_rate_exceeded': break;
// auth
case 'token_missing': break;
case 'token_auth_failed': break;
case 'token_unsupported': break;
case 'account_suspended': break;
case 'permission_denied': break;
case 'access_token_empty_permissions': break;
// Object Mapping
case 'field_not_allowed_for_create': break;
case 'field_required_for_update': break;
case 'entity_not_found': break;
// Chat
case 'max_tokens_exceeded': break;
}
// Some other kind of error
return new PosixError(ErrorCodes.EUNKNOWN, e.message);
}
//
// Helpers for constructing a PosixError when you don't already have an error message.
//
static AccessNotPermitted({ message, path } = {}) {
return new PosixError(ErrorCodes.EACCES, message ?? (path ? `Access not permitted to: '${path}'` : undefined));
}
static AddressInUse({ message, address } = {}) {
return new PosixError(ErrorCodes.EADDRINUSE, message ?? (address ? `Address '${address}' in use` : undefined));
}
static ConnectionRefused({ message } = {}) {
return new PosixError(ErrorCodes.ECONNREFUSED, message);
}
static ConnectionReset({ message } = {}) {
return new PosixError(ErrorCodes.ECONNRESET, message);
}
static PathAlreadyExists({ message, path } = {}) {
return new PosixError(ErrorCodes.EEXIST, message ?? (path ? `Path already exists: '${path}'` : undefined));
}
static FileTooLarge({ message } = {}) {
return new PosixError(ErrorCodes.EFBIG, message);
}
static InvalidArgument({ message } = {}) {
return new PosixError(ErrorCodes.EINVAL, message);
}
static IO({ message } = {}) {
return new PosixError(ErrorCodes.EIO, message);
}
static IsDirectory({ message, path } = {}) {
return new PosixError(ErrorCodes.EISDIR, message ?? (path ? `Path is directory: '${path}'` : undefined));
}
static TooManyOpenFiles({ message } = {}) {
return new PosixError(ErrorCodes.EMFILE, message);
}
static DoesNotExist({ message, path } = {}) {
return new PosixError(ErrorCodes.ENOENT, message ?? (path ? `Path not found: '${path}'` : undefined));
}
static NotEnoughSpace({ message } = {}) {
return new PosixError(ErrorCodes.ENOSPC, message);
}
static IsNotDirectory({ message, path } = {}) {
return new PosixError(ErrorCodes.ENOTDIR, message ?? (path ? `Path is not a directory: '${path}'` : undefined));
}
static DirectoryIsNotEmpty({ message, path } = {}) {
return new PosixError(ErrorCodes.ENOTEMPTY, message ?? (path ?`Directory is not empty: '${path}'` : undefined));
}
static OperationNotPermitted({ message } = {}) {
return new PosixError(ErrorCodes.EPERM, message);
}
static BrokenPipe({ message } = {}) {
return new PosixError(ErrorCodes.EPIPE, message);
}
static TimedOut({ message } = {}) {
return new PosixError(ErrorCodes.ETIMEDOUT, message);
}
}
module.exports = {
ErrorCodes,
ErrorMetadata,
errorFromIntegerCode,
PosixError,
}