mirror of
https://github.com/router-for-me/CLIProxyAPIPlus.git
synced 2026-03-09 15:25:17 +00:00
b45343e812
Captured and compared outgoing requests from CLIProxyAPI against real Claude Code 2.1.63 and fixed all detectable differences: Headers: - Update anthropic-beta to match 2.1.63: replace fine-grained-tool-streaming and prompt-caching-2024-07-31 with context-management-2025-06-27 and prompt-caching-scope-2026-01-05 - Remove X-Stainless-Helper-Method header (real Claude Code does not send it) - Update default User-Agent from "claude-cli/2.1.44 (external, sdk-cli)" to "claude-cli/2.1.63 (external, cli)" - Force Claude Code User-Agent for non-Claude clients to avoid leaking real client identity (e.g. curl, OpenAI SDKs) during cloaking Body: - Inject x-anthropic-billing-header as system[0] (matches real format) - Change system prompt identifier from "You are Claude Code..." to "You are a Claude agent, built on Anthropic's Claude Agent SDK." - Add cache_control with ttl:"1h" to match real request format - Fix user_id format: user_[64hex]_account_[uuid]_session_[uuid] (was missing account UUID) - Disable tool name prefix (set claudeToolPrefix to empty string) TLS: - Switch utls fingerprint from HelloFirefox_Auto to HelloChrome_Auto (closer to Node.js/OpenSSL used by real Claude Code) Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
package executor
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import (
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"crypto/rand"
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"encoding/hex"
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"regexp"
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"strings"
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"github.com/google/uuid"
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)
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// userIDPattern matches Claude Code format: user_[64-hex]_account_[uuid]_session_[uuid]
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var userIDPattern = regexp.MustCompile(`^user_[a-fA-F0-9]{64}_account_[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}_session_[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$`)
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// generateFakeUserID generates a fake user ID in Claude Code format.
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// Format: user_[64-hex-chars]_account_[UUID-v4]_session_[UUID-v4]
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func generateFakeUserID() string {
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hexBytes := make([]byte, 32)
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_, _ = rand.Read(hexBytes)
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hexPart := hex.EncodeToString(hexBytes)
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accountUUID := uuid.New().String()
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sessionUUID := uuid.New().String()
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return "user_" + hexPart + "_account_" + accountUUID + "_session_" + sessionUUID
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}
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// isValidUserID checks if a user ID matches Claude Code format.
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func isValidUserID(userID string) bool {
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return userIDPattern.MatchString(userID)
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}
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// shouldCloak determines if request should be cloaked based on config and client User-Agent.
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// Returns true if cloaking should be applied.
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func shouldCloak(cloakMode string, userAgent string) bool {
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switch strings.ToLower(cloakMode) {
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case "always":
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return true
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case "never":
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return false
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default: // "auto" or empty
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// If client is Claude Code, don't cloak
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return !strings.HasPrefix(userAgent, "claude-cli")
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}
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}
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// isClaudeCodeClient checks if the User-Agent indicates a Claude Code client.
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func isClaudeCodeClient(userAgent string) bool {
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return strings.HasPrefix(userAgent, "claude-cli")
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}
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