File size: 6,495 Bytes
39e315a | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 | import { execaSync } from 'execa'
import { join } from 'path'
import { getClaudeConfigHomeDir } from '../envUtils.js'
import { jsonParse, jsonStringify } from '../slowOperations.js'
import {
CREDENTIALS_SERVICE_SUFFIX,
getSecureStorageServiceName,
getUsername,
} from './macOsKeychainHelpers.js'
import type { SecureStorage, SecureStorageData } from './index.js'
/**
* Windows-specific secure storage implementation using DPAPI for new writes,
* with best-effort reads/deletes from the legacy PasswordVault path.
*/
function escapePowerShellSingleQuoted(value: string): string {
return value.replace(/'/g, "''")
}
function getLegacyResourceName(): string {
return getSecureStorageServiceName(CREDENTIALS_SERVICE_SUFFIX)
}
function getWindowsSecureStorageEntropy(): string {
return `${getLegacyResourceName()}:${getUsername()}`
}
function getWindowsSecureStorageFilePath(): string {
const resourceName = getLegacyResourceName().replace(/[^a-zA-Z0-9._-]/g, '_')
return join(getClaudeConfigHomeDir(), `${resourceName}.secure.dpapi`)
}
function runPowerShell(
script: string,
options?: { input?: string },
): ReturnType<typeof execaSync> | null {
try {
return execaSync('powershell.exe', ['-Command', script], {
input: options?.input,
reject: false,
})
} catch {
return null
}
}
function getFailureWarning(
result: ReturnType<typeof execaSync> | null,
fallback: string,
): string {
const stderr = result?.stderr?.trim()
if (stderr) {
return stderr
}
if (typeof result?.exitCode === 'number' && result.exitCode !== 0) {
return `${fallback} (exit code ${result.exitCode}).`
}
return fallback
}
function readLegacyPasswordVault(): SecureStorageData | null {
const resourceName = getLegacyResourceName().replace(/"/g, '`"')
const username = getUsername().replace(/"/g, '`"')
const script = `
Add-Type -AssemblyName System.Runtime.WindowsRuntime
try {
$vault = New-Object Windows.Security.Credentials.PasswordVault
$cred = $vault.Retrieve("${resourceName}", "${username}")
$cred.FillPassword()
[Console]::Out.Write($cred.Password)
} catch {
exit 1
}
`
const result = runPowerShell(script)
if (result?.exitCode === 0 && result.stdout) {
try {
return jsonParse(result.stdout)
} catch {
return null
}
}
return null
}
export const windowsCredentialStorage: SecureStorage = {
name: 'credential-locker-dpapi',
read(): SecureStorageData | null {
const filePath = escapePowerShellSingleQuoted(
getWindowsSecureStorageFilePath(),
)
const entropy = escapePowerShellSingleQuoted(
getWindowsSecureStorageEntropy(),
)
const script = `
try {
Add-Type -AssemblyName System.Security
$path = '${filePath}'
if (!(Test-Path -LiteralPath $path)) {
exit 1
}
$protectedBase64 = [System.IO.File]::ReadAllText(
$path,
[System.Text.Encoding]::UTF8
).Trim()
if (-not $protectedBase64) {
exit 1
}
$protectedBytes = [Convert]::FromBase64String($protectedBase64)
$entropyBytes = [System.Text.Encoding]::UTF8.GetBytes('${entropy}')
$bytes = [System.Security.Cryptography.ProtectedData]::Unprotect(
$protectedBytes,
$entropyBytes,
[System.Security.Cryptography.DataProtectionScope]::CurrentUser
)
[Console]::Out.Write([System.Text.Encoding]::UTF8.GetString($bytes))
} catch {
exit 1
}
`
const result = runPowerShell(script)
if (result?.exitCode === 0 && result.stdout) {
try {
return jsonParse(result.stdout)
} catch {
return readLegacyPasswordVault()
}
}
return readLegacyPasswordVault()
},
async readAsync(): Promise<SecureStorageData | null> {
return this.read()
},
update(data: SecureStorageData): { success: boolean; warning?: string } {
const filePath = escapePowerShellSingleQuoted(
getWindowsSecureStorageFilePath(),
)
const entropy = escapePowerShellSingleQuoted(
getWindowsSecureStorageEntropy(),
)
const payload = jsonStringify(data)
const script = `
try {
Add-Type -AssemblyName System.Security
$path = '${filePath}'
$directory = [System.IO.Path]::GetDirectoryName($path)
if ($directory) {
[System.IO.Directory]::CreateDirectory($directory) | Out-Null
}
$payload = [Console]::In.ReadToEnd()
$bytes = [System.Text.Encoding]::UTF8.GetBytes($payload)
$entropyBytes = [System.Text.Encoding]::UTF8.GetBytes('${entropy}')
$protectedBytes = [System.Security.Cryptography.ProtectedData]::Protect(
$bytes,
$entropyBytes,
[System.Security.Cryptography.DataProtectionScope]::CurrentUser
)
$protectedBase64 = [Convert]::ToBase64String($protectedBytes)
[System.IO.File]::WriteAllText(
$path,
$protectedBase64,
[System.Text.Encoding]::UTF8
)
} catch {
Write-Error $_.Exception.Message
exit 1
}
`
const result = runPowerShell(script, { input: payload })
if (result?.exitCode === 0) {
return { success: true }
}
return {
success: false,
warning: getFailureWarning(
result,
'Windows secure storage could not encrypt credentials with DPAPI',
),
}
},
delete(): boolean {
const filePath = escapePowerShellSingleQuoted(
getWindowsSecureStorageFilePath(),
)
const removeDpapiScript = `
try {
$path = '${filePath}'
if (Test-Path -LiteralPath $path) {
Remove-Item -LiteralPath $path -Force
}
} catch {
exit 1
}
`
const removeDpapiResult = runPowerShell(removeDpapiScript)
const resourceName = getLegacyResourceName().replace(/"/g, '`"')
const username = getUsername().replace(/"/g, '`"')
const removeLegacyScript = `
Add-Type -AssemblyName System.Runtime.WindowsRuntime
try {
$vault = New-Object Windows.Security.Credentials.PasswordVault
$cred = $vault.Retrieve("${resourceName}", "${username}")
$vault.Remove($cred)
} catch {
exit 0
}
`
const removeLegacyResult = runPowerShell(removeLegacyScript)
void removeLegacyResult
return (removeDpapiResult?.exitCode ?? 1) === 0
},
}
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