diff options
Diffstat (limited to 'node_modules/@npmcli/fs/lib/common')
5 files changed, 258 insertions, 0 deletions
diff --git a/node_modules/@npmcli/fs/lib/common/file-url-to-path/index.js b/node_modules/@npmcli/fs/lib/common/file-url-to-path/index.js new file mode 100644 index 000000000..7755d1c10 --- /dev/null +++ b/node_modules/@npmcli/fs/lib/common/file-url-to-path/index.js @@ -0,0 +1,17 @@ +const url = require('url') + +const node = require('../node.js') +const polyfill = require('./polyfill.js') + +const useNative = node.satisfies('>=10.12.0') + +const fileURLToPath = (path) => { + // the polyfill is tested separately from this module, no need to hack + // process.version to try to trigger it just for coverage + // istanbul ignore next + return useNative + ? url.fileURLToPath(path) + : polyfill(path) +} + +module.exports = fileURLToPath diff --git a/node_modules/@npmcli/fs/lib/common/file-url-to-path/polyfill.js b/node_modules/@npmcli/fs/lib/common/file-url-to-path/polyfill.js new file mode 100644 index 000000000..794d9bba4 --- /dev/null +++ b/node_modules/@npmcli/fs/lib/common/file-url-to-path/polyfill.js @@ -0,0 +1,120 @@ +const { URL, domainToUnicode } = require('url') + +const CHAR_LOWERCASE_A = 97 +const CHAR_LOWERCASE_Z = 122 + +const isWindows = process.platform === 'win32' + +class ERR_INVALID_FILE_URL_HOST extends TypeError { + constructor (platform) { + super(`File URL host must be "localhost" or empty on ${platform}`) + this.code = 'ERR_INVALID_FILE_URL_HOST' + } + + toString () { + return `${this.name} [${this.code}]: ${this.message}` + } +} + +class ERR_INVALID_FILE_URL_PATH extends TypeError { + constructor (msg) { + super(`File URL path ${msg}`) + this.code = 'ERR_INVALID_FILE_URL_PATH' + } + + toString () { + return `${this.name} [${this.code}]: ${this.message}` + } +} + +class ERR_INVALID_ARG_TYPE extends TypeError { + constructor (name, actual) { + super(`The "${name}" argument must be one of type string or an instance of URL. Received type ${typeof actual} ${actual}`) + this.code = 'ERR_INVALID_ARG_TYPE' + } + + toString () { + return `${this.name} [${this.code}]: ${this.message}` + } +} + +class ERR_INVALID_URL_SCHEME extends TypeError { + constructor (expected) { + super(`The URL must be of scheme ${expected}`) + this.code = 'ERR_INVALID_URL_SCHEME' + } + + toString () { + return `${this.name} [${this.code}]: ${this.message}` + } +} + +const isURLInstance = (input) => { + return input != null && input.href && input.origin +} + +const getPathFromURLWin32 = (url) => { + const hostname = url.hostname + let pathname = url.pathname + for (let n = 0; n < pathname.length; n++) { + if (pathname[n] === '%') { + const third = pathname.codePointAt(n + 2) | 0x20 + if ((pathname[n + 1] === '2' && third === 102) || + (pathname[n + 1] === '5' && third === 99)) { + throw new ERR_INVALID_FILE_URL_PATH('must not include encoded \\ or / characters') + } + } + } + + pathname = pathname.replace(/\//g, '\\') + pathname = decodeURIComponent(pathname) + if (hostname !== '') { + return `\\\\${domainToUnicode(hostname)}${pathname}` + } + + const letter = pathname.codePointAt(1) | 0x20 + const sep = pathname[2] + if (letter < CHAR_LOWERCASE_A || letter > CHAR_LOWERCASE_Z || + (sep !== ':')) { + throw new ERR_INVALID_FILE_URL_PATH('must be absolute') + } + + return pathname.slice(1) +} + +const getPathFromURLPosix = (url) => { + if (url.hostname !== '') { + throw new ERR_INVALID_FILE_URL_HOST(process.platform) + } + + const pathname = url.pathname + + for (let n = 0; n < pathname.length; n++) { + if (pathname[n] === '%') { + const third = pathname.codePointAt(n + 2) | 0x20 + if (pathname[n + 1] === '2' && third === 102) { + throw new ERR_INVALID_FILE_URL_PATH('must not include encoded / characters') + } + } + } + + return decodeURIComponent(pathname) +} + +const fileURLToPath = (path) => { + if (typeof path === 'string') { + path = new URL(path) + } else if (!isURLInstance(path)) { + throw new ERR_INVALID_ARG_TYPE('path', ['string', 'URL'], path) + } + + if (path.protocol !== 'file:') { + throw new ERR_INVALID_URL_SCHEME('file') + } + + return isWindows + ? getPathFromURLWin32(path) + : getPathFromURLPosix(path) +} + +module.exports = fileURLToPath diff --git a/node_modules/@npmcli/fs/lib/common/get-options.js b/node_modules/@npmcli/fs/lib/common/get-options.js new file mode 100644 index 000000000..cb5982f79 --- /dev/null +++ b/node_modules/@npmcli/fs/lib/common/get-options.js @@ -0,0 +1,20 @@ +// given an input that may or may not be an object, return an object that has +// a copy of every defined property listed in 'copy'. if the input is not an +// object, assign it to the property named by 'wrap' +const getOptions = (input, { copy, wrap }) => { + const result = {} + + if (input && typeof input === 'object') { + for (const prop of copy) { + if (input[prop] !== undefined) { + result[prop] = input[prop] + } + } + } else { + result[wrap] = input + } + + return result +} + +module.exports = getOptions diff --git a/node_modules/@npmcli/fs/lib/common/node.js b/node_modules/@npmcli/fs/lib/common/node.js new file mode 100644 index 000000000..4d13bc037 --- /dev/null +++ b/node_modules/@npmcli/fs/lib/common/node.js @@ -0,0 +1,9 @@ +const semver = require('semver') + +const satisfies = (range) => { + return semver.satisfies(process.version, range, { includePrerelease: true }) +} + +module.exports = { + satisfies, +} diff --git a/node_modules/@npmcli/fs/lib/common/owner.js b/node_modules/@npmcli/fs/lib/common/owner.js new file mode 100644 index 000000000..e3468b077 --- /dev/null +++ b/node_modules/@npmcli/fs/lib/common/owner.js @@ -0,0 +1,92 @@ +const { dirname, resolve } = require('path') + +const fileURLToPath = require('./file-url-to-path/index.js') +const fs = require('../fs.js') + +// given a path, find the owner of the nearest parent +const find = async (path) => { + // if we have no getuid, permissions are irrelevant on this platform + if (!process.getuid) { + return {} + } + + // fs methods accept URL objects with a scheme of file: so we need to unwrap + // those into an actual path string before we can resolve it + const resolved = path != null && path.href && path.origin + ? resolve(fileURLToPath(path)) + : resolve(path) + + let stat + + try { + stat = await fs.lstat(resolved) + } finally { + // if we got a stat, return its contents + if (stat) { + return { uid: stat.uid, gid: stat.gid } + } + + // try the parent directory + if (resolved !== dirname(resolved)) { + return find(dirname(resolved)) + } + + // no more parents, never got a stat, just return an empty object + return {} + } +} + +// given a path, uid, and gid update the ownership of the path if necessary +const update = async (path, uid, gid) => { + // nothing to update, just exit + if (uid === undefined && gid === undefined) { + return + } + + try { + // see if the permissions are already the same, if they are we don't + // need to do anything, so return early + const stat = await fs.stat(path) + if (uid === stat.uid && gid === stat.gid) { + return + } + } catch (err) {} + + try { + await fs.chown(path, uid, gid) + } catch (err) {} +} + +// accepts a `path` and the `owner` property of an options object and normalizes +// it into an object with numerical `uid` and `gid` +const validate = async (path, input) => { + let uid + let gid + + if (typeof input === 'string' || typeof input === 'number') { + uid = input + gid = input + } else if (input && typeof input === 'object') { + uid = input.uid + gid = input.gid + } + + if (uid === 'inherit' || gid === 'inherit') { + const owner = await find(path) + if (uid === 'inherit') { + uid = owner.uid + } + + if (gid === 'inherit') { + gid = owner.gid + } + } + + return { uid, gid } +} + +module.exports = { + find, + update, + validate, +} |