src/services/api/errorUtils.ts · up/claude-code-source-code

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claude-code-source-code

src

services

api

errorUtils.ts

errorUtils.ts 8.21 KB

import type { APIError } from '@anthropic-ai/sdk'

// SSL/TLS error codes from OpenSSL (used by both Node.js and Bun)
// See: https://www.openssl.org/docs/man3.1/man3/X509_STORE_CTX_get_error.html
const SSL_ERROR_CODES = new Set([
 // Certificate verification errors
 'UNABLE_TO_VERIFY_LEAF_SIGNATURE',
 'UNABLE_TO_GET_ISSUER_CERT',
 'UNABLE_TO_GET_ISSUER_CERT_LOCALLY',
 'CERT_SIGNATURE_FAILURE',
 'CERT_NOT_YET_VALID',
 'CERT_HAS_EXPIRED',
 'CERT_REVOKED',
 'CERT_REJECTED',
 'CERT_UNTRUSTED',
 // Self-signed certificate errors
 'DEPTH_ZERO_SELF_SIGNED_CERT',
 'SELF_SIGNED_CERT_IN_CHAIN',
 // Chain errors
 'CERT_CHAIN_TOO_LONG',
 'PATH_LENGTH_EXCEEDED',
 // Hostname/altname errors
 'ERR_TLS_CERT_ALTNAME_INVALID',
 'HOSTNAME_MISMATCH',
 // TLS handshake errors
 'ERR_TLS_HANDSHAKE_TIMEOUT',
 'ERR_SSL_WRONG_VERSION_NUMBER',
 'ERR_SSL_DECRYPTION_FAILED_OR_BAD_RECORD_MAC',
])

export type ConnectionErrorDetails = {
 code: string
 message: string
 isSSLError: boolean
}

/**
 * Extracts connection error details from the error cause chain.
 * The Anthropic SDK wraps underlying errors in the `cause` property.
 * This function walks the cause chain to find the root error code/message.
 */
export function extractConnectionErrorDetails(
 error: unknown,
): ConnectionErrorDetails | null {
 if (!error || typeof error !== 'object') {
 return null
 }

// Walk the cause chain to find the root error with a code
 let current: unknown = error
 const maxDepth = 5 // Prevent infinite loops
 let depth = 0

while (current && depth < maxDepth) {
 if (
 current instanceof Error &&
 'code' in current &&
 typeof current.code === 'string'
 ) {
 const code = current.code
 const isSSLError = SSL_ERROR_CODES.has(code)
 return {
 code,
 message: current.message,
 isSSLError,
 }
 }

// Move to the next cause in the chain
 if (
 current instanceof Error &&
 'cause' in current &&
 current.cause !== current
 ) {
 current = current.cause
 depth++
 } else {
 break
 }
 }

return null
}

/**
 * Returns an actionable hint for SSL/TLS errors, intended for contexts outside
 * the main API client (OAuth token exchange, preflight connectivity checks)
 * where `formatAPIError` doesn't apply.
 *
 * Motivation: enterprise users behind TLS-intercepting proxies (Zscaler et al.)
 * see OAuth complete in-browser but the CLI's token exchange silently fails
 * with a raw SSL code. Surfacing the likely fix saves a support round-trip.
 */
export function getSSLErrorHint(error: unknown): string | null {
 const details = extractConnectionErrorDetails(error)
 if (!details?.isSSLError) {
 return null
 }
 return `SSL certificate error (${details.code}). If you are behind a corporate proxy or TLS-intercepting firewall, set NODE_EXTRA_CA_CERTS to your CA bundle path, or ask IT to allowlist *.anthropic.com. Run /doctor for details.`
}

/**
 * Strips HTML content (e.g., CloudFlare error pages) from a message string,
 * returning a user-friendly title or empty string if HTML is detected.
 * Returns the original message unchanged if no HTML is found.
 */
function sanitizeMessageHTML(message: string): string {
 if (message.includes('<!DOCTYPE html') || message.includes('<html')) {
 const titleMatch = message.match(/<title>([^<]+)<\/title>/)
 if (titleMatch && titleMatch[1]) {
 return titleMatch[1].trim()
 }
 return ''
 }
 return message
}

/**
 * Detects if an error message contains HTML content (e.g., CloudFlare error pages)
 * and returns a user-friendly message instead
 */
export function sanitizeAPIError(apiError: APIError): string {
 const message = apiError.message
 if (!message) {
 // Sometimes message is undefined
 // TODO: figure out why
 return ''
 }
 return sanitizeMessageHTML(message)
}

/**
 * Shapes of deserialized API errors from session JSONL.
 *
 * After JSON round-tripping, the SDK's APIError loses its `.message` property.
 * The actual message lives at different nesting levels depending on the provider:
 *
 * - Bedrock/proxy: `{ error: { message: "..." } }`
 * - Standard Anthropic API: `{ error: { error: { message: "..." } } }`
 * (the outer `.error` is the response body, the inner `.error` is the API error)
 *
 * See also: `getErrorMessage` in `logging.ts` which handles the same shapes.
 */
type NestedAPIError = {
 error?: {
 message?: string
 error?: { message?: string }
 }
}

function hasNestedError(value: unknown): value is NestedAPIError {
 return (
 typeof value === 'object' &&
 value !== null &&
 'error' in value &&
 typeof value.error === 'object' &&
 value.error !== null
 )
}

/**
 * Extract a human-readable message from a deserialized API error that lacks
 * a top-level `.message`.
 *
 * Checks two nesting levels (deeper first for specificity):
 * 1. `error.error.error.message` — standard Anthropic API shape
 * 2. `error.error.message` — Bedrock shape
 */
function extractNestedErrorMessage(error: APIError): string | null {
 if (!hasNestedError(error)) {
 return null
 }

// Access `.error` via the narrowed type so TypeScript sees the nested shape
 // instead of the SDK's `Object | undefined`.
 const narrowed: NestedAPIError = error
 const nested = narrowed.error

// Standard Anthropic API shape: { error: { error: { message } } }
 const deepMsg = nested?.error?.message
 if (typeof deepMsg === 'string' && deepMsg.length > 0) {
 const sanitized = sanitizeMessageHTML(deepMsg)
 if (sanitized.length > 0) {
 return sanitized
 }
 }

// Bedrock shape: { error: { message } }
 const msg = nested?.message
 if (typeof msg === 'string' && msg.length > 0) {
 const sanitized = sanitizeMessageHTML(msg)
 if (sanitized.length > 0) {
 return sanitized
 }
 }

return null
}

export function formatAPIError(error: APIError): string {
 // Extract connection error details from the cause chain
 const connectionDetails = extractConnectionErrorDetails(error)

if (connectionDetails) {
 const { code, isSSLError } = connectionDetails

// Handle timeout errors
 if (code === 'ETIMEDOUT') {
 return 'Request timed out. Check your internet connection and proxy settings'
 }

// Handle SSL/TLS errors with specific messages
 if (isSSLError) {
 switch (code) {
 case 'UNABLE_TO_VERIFY_LEAF_SIGNATURE':
 case 'UNABLE_TO_GET_ISSUER_CERT':
 case 'UNABLE_TO_GET_ISSUER_CERT_LOCALLY':
 return 'Unable to connect to API: SSL certificate verification failed. Check your proxy or corporate SSL certificates'
 case 'CERT_HAS_EXPIRED':
 return 'Unable to connect to API: SSL certificate has expired'
 case 'CERT_REVOKED':
 return 'Unable to connect to API: SSL certificate has been revoked'
 case 'DEPTH_ZERO_SELF_SIGNED_CERT':
 case 'SELF_SIGNED_CERT_IN_CHAIN':
 return 'Unable to connect to API: Self-signed certificate detected. Check your proxy or corporate SSL certificates'
 case 'ERR_TLS_CERT_ALTNAME_INVALID':
 case 'HOSTNAME_MISMATCH':
 return 'Unable to connect to API: SSL certificate hostname mismatch'
 case 'CERT_NOT_YET_VALID':
 return 'Unable to connect to API: SSL certificate is not yet valid'
 default:
 return `Unable to connect to API: SSL error (${code})`
 }
 }
 }

if (error.message === 'Connection error.') {
 // If we have a code but it's not SSL, include it for debugging
 if (connectionDetails?.code) {
 return `Unable to connect to API (${connectionDetails.code})`
 }
 return 'Unable to connect to API. Check your internet connection'
 }

// Guard: when deserialized from JSONL (e.g. --resume), the error object may
 // be a plain object without a `.message` property. Return a safe fallback
 // instead of undefined, which would crash callers that access `.length`.
 if (!error.message) {
 return (
 extractNestedErrorMessage(error) ??
 `API error (status ${error.status ?? 'unknown'})`
 )
 }

const sanitizedMessage = sanitizeAPIError(error)
 // Use sanitized message if it's different from the original (i.e., HTML was sanitized)
 return sanitizedMessage !== error.message && sanitizedMessage.length > 0
 ? sanitizedMessage
 : error.message
}

一键复制编辑原始数据按行查看历史

sanbucat 提交于 2026年03月31日 17:08 +08:00 . v2.1.88 反编译源码

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import type { APIError } from '@anthropic-ai/sdk'

// SSL/TLS error codes from OpenSSL (used by both Node.js and Bun)
// See: https://www.openssl.org/docs/man3.1/man3/X509_STORE_CTX_get_error.html
const SSL_ERROR_CODES = new Set([
 // Certificate verification errors
 'UNABLE_TO_VERIFY_LEAF_SIGNATURE',
 'UNABLE_TO_GET_ISSUER_CERT',
 'UNABLE_TO_GET_ISSUER_CERT_LOCALLY',
 'CERT_SIGNATURE_FAILURE',
 'CERT_NOT_YET_VALID',
 'CERT_HAS_EXPIRED',
 'CERT_REVOKED',
 'CERT_REJECTED',
 'CERT_UNTRUSTED',
 // Self-signed certificate errors
 'DEPTH_ZERO_SELF_SIGNED_CERT',
 'SELF_SIGNED_CERT_IN_CHAIN',
 // Chain errors
 'CERT_CHAIN_TOO_LONG',
 'PATH_LENGTH_EXCEEDED',
 // Hostname/altname errors
 'ERR_TLS_CERT_ALTNAME_INVALID',
 'HOSTNAME_MISMATCH',
 // TLS handshake errors
 'ERR_TLS_HANDSHAKE_TIMEOUT',
 'ERR_SSL_WRONG_VERSION_NUMBER',
 'ERR_SSL_DECRYPTION_FAILED_OR_BAD_RECORD_MAC',
])

export type ConnectionErrorDetails = {
 code: string
 message: string
 isSSLError: boolean
}

/**
 * Extracts connection error details from the error cause chain.
 * The Anthropic SDK wraps underlying errors in the `cause` property.
 * This function walks the cause chain to find the root error code/message.
 */
export function extractConnectionErrorDetails(
 error: unknown,
): ConnectionErrorDetails | null {
 if (!error || typeof error !== 'object') {
 return null
 }

 // Walk the cause chain to find the root error with a code
 let current: unknown = error
 const maxDepth = 5 // Prevent infinite loops
 let depth = 0

 while (current && depth < maxDepth) {
 if (
 current instanceof Error &&
 'code' in current &&
 typeof current.code === 'string'
 ) {
 const code = current.code
 const isSSLError = SSL_ERROR_CODES.has(code)
 return {
 code,
 message: current.message,
 isSSLError,
 }
 }

 // Move to the next cause in the chain
 if (
 current instanceof Error &&
 'cause' in current &&
 current.cause !== current
 ) {
 current = current.cause
 depth++
 } else {
 break
 }
 }

 return null
}

/**
 * Returns an actionable hint for SSL/TLS errors, intended for contexts outside
 * the main API client (OAuth token exchange, preflight connectivity checks)
 * where `formatAPIError` doesn't apply.
 *
 * Motivation: enterprise users behind TLS-intercepting proxies (Zscaler et al.)
 * see OAuth complete in-browser but the CLI's token exchange silently fails
 * with a raw SSL code. Surfacing the likely fix saves a support round-trip.
 */
export function getSSLErrorHint(error: unknown): string | null {
 const details = extractConnectionErrorDetails(error)
 if (!details?.isSSLError) {
 return null
 }
 return `SSL certificate error (${details.code}). If you are behind a corporate proxy or TLS-intercepting firewall, set NODE_EXTRA_CA_CERTS to your CA bundle path, or ask IT to allowlist *.anthropic.com. Run /doctor for details.`
}

/**
 * Strips HTML content (e.g., CloudFlare error pages) from a message string,
 * returning a user-friendly title or empty string if HTML is detected.
 * Returns the original message unchanged if no HTML is found.
 */
function sanitizeMessageHTML(message: string): string {
 if (message.includes('<!DOCTYPE html') || message.includes('<html')) {
 const titleMatch = message.match(/<title>([^<]+)<\/title>/)
 if (titleMatch && titleMatch[1]) {
 return titleMatch[1].trim()
 }
 return ''
 }
 return message
}

/**
 * Detects if an error message contains HTML content (e.g., CloudFlare error pages)
 * and returns a user-friendly message instead
 */
export function sanitizeAPIError(apiError: APIError): string {
 const message = apiError.message
 if (!message) {
 // Sometimes message is undefined
 // TODO: figure out why
 return ''
 }
 return sanitizeMessageHTML(message)
}

/**
 * Shapes of deserialized API errors from session JSONL.
 *
 * After JSON round-tripping, the SDK's APIError loses its `.message` property.
 * The actual message lives at different nesting levels depending on the provider:
 *
 * - Bedrock/proxy: `{ error: { message: "..." } }`
 * - Standard Anthropic API: `{ error: { error: { message: "..." } } }`
 * (the outer `.error` is the response body, the inner `.error` is the API error)
 *
 * See also: `getErrorMessage` in `logging.ts` which handles the same shapes.
 */
type NestedAPIError = {
 error?: {
 message?: string
 error?: { message?: string }
 }
}

function hasNestedError(value: unknown): value is NestedAPIError {
 return (
 typeof value === 'object' &&
 value !== null &&
 'error' in value &&
 typeof value.error === 'object' &&
 value.error !== null
 )
}

/**
 * Extract a human-readable message from a deserialized API error that lacks
 * a top-level `.message`.
 *
 * Checks two nesting levels (deeper first for specificity):
 * 1. `error.error.error.message` — standard Anthropic API shape
 * 2. `error.error.message` — Bedrock shape
 */
function extractNestedErrorMessage(error: APIError): string | null {
 if (!hasNestedError(error)) {
 return null
 }

 // Access `.error` via the narrowed type so TypeScript sees the nested shape
 // instead of the SDK's `Object | undefined`.
 const narrowed: NestedAPIError = error
 const nested = narrowed.error

 // Standard Anthropic API shape: { error: { error: { message } } }
 const deepMsg = nested?.error?.message
 if (typeof deepMsg === 'string' && deepMsg.length > 0) {
 const sanitized = sanitizeMessageHTML(deepMsg)
 if (sanitized.length > 0) {
 return sanitized
 }
 }

 // Bedrock shape: { error: { message } }
 const msg = nested?.message
 if (typeof msg === 'string' && msg.length > 0) {
 const sanitized = sanitizeMessageHTML(msg)
 if (sanitized.length > 0) {
 return sanitized
 }
 }

 return null
}

export function formatAPIError(error: APIError): string {
 // Extract connection error details from the cause chain
 const connectionDetails = extractConnectionErrorDetails(error)

 if (connectionDetails) {
 const { code, isSSLError } = connectionDetails

 // Handle timeout errors
 if (code === 'ETIMEDOUT') {
 return 'Request timed out. Check your internet connection and proxy settings'
 }

 // Handle SSL/TLS errors with specific messages
 if (isSSLError) {
 switch (code) {
 case 'UNABLE_TO_VERIFY_LEAF_SIGNATURE':
 case 'UNABLE_TO_GET_ISSUER_CERT':
 case 'UNABLE_TO_GET_ISSUER_CERT_LOCALLY':
 return 'Unable to connect to API: SSL certificate verification failed. Check your proxy or corporate SSL certificates'
 case 'CERT_HAS_EXPIRED':
 return 'Unable to connect to API: SSL certificate has expired'
 case 'CERT_REVOKED':
 return 'Unable to connect to API: SSL certificate has been revoked'
 case 'DEPTH_ZERO_SELF_SIGNED_CERT':
 case 'SELF_SIGNED_CERT_IN_CHAIN':
 return 'Unable to connect to API: Self-signed certificate detected. Check your proxy or corporate SSL certificates'
 case 'ERR_TLS_CERT_ALTNAME_INVALID':
 case 'HOSTNAME_MISMATCH':
 return 'Unable to connect to API: SSL certificate hostname mismatch'
 case 'CERT_NOT_YET_VALID':
 return 'Unable to connect to API: SSL certificate is not yet valid'
 default:
 return `Unable to connect to API: SSL error (${code})`
 }
 }
 }

 if (error.message === 'Connection error.') {
 // If we have a code but it's not SSL, include it for debugging
 if (connectionDetails?.code) {
 return `Unable to connect to API (${connectionDetails.code})`
 }
 return 'Unable to connect to API. Check your internet connection'
 }

 // Guard: when deserialized from JSONL (e.g. --resume), the error object may
 // be a plain object without a `.message` property. Return a safe fallback
 // instead of undefined, which would crash callers that access `.length`.
 if (!error.message) {
 return (
 extractNestedErrorMessage(error) ??
 `API error (status ${error.status ?? 'unknown'})`
 )
 }

 const sanitizedMessage = sanitizeAPIError(error)
 // Use sanitized message if it's different from the original (i.e., HTML was sanitized)
 return sanitizedMessage !== error.message && sanitizedMessage.length > 0
 ? sanitizedMessage
 : error.message
}