Alexander
115 lines
2.8 KiB
Go
115 lines
2.8 KiB
Go
package main
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import (
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"context"
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"fmt"
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"log"
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"net/http"
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"os"
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"os/signal"
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"syscall"
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"time"
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"github.com/fujin/anthropic-proxy/internal/auth"
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"github.com/fujin/anthropic-proxy/internal/config"
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"github.com/fujin/anthropic-proxy/internal/proxy"
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"github.com/fujin/anthropic-proxy/internal/server"
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)
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func run() error {
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log.SetFlags(log.LstdFlags)
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cfg, err := config.Load("config.yaml")
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if err != nil {
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return fmt.Errorf("load config: %w", err)
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}
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// Load credentials from ~/.claude/.credentials.json
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creds, err := config.LoadDefaultCredentials()
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if err != nil {
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return fmt.Errorf("load credentials: %w", err)
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}
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var cred *auth.Credential
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if len(creds) > 0 {
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cred = creds[0]
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// If token is expired, try refresh first
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if !cred.ExpiresAt.IsZero() && time.Now().After(cred.ExpiresAt) {
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log.Printf("token expired, attempting refresh...")
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refreshCtx, refreshCancel := context.WithTimeout(context.Background(), 15*time.Second)
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refreshErr := auth.RefreshToken(refreshCtx, cred)
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refreshCancel()
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if refreshErr != nil {
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log.Printf("refresh failed: %v — initiating login", refreshErr)
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cred = nil // fall through to login
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} else {
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log.Printf("token refreshed successfully")
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}
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}
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}
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if cred == nil {
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// Non-TTY check: if stdin is not a terminal, can't do interactive login
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fi, statErr := os.Stdin.Stat()
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if statErr == nil && (fi.Mode()&os.ModeCharDevice) == 0 {
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return fmt.Errorf("no valid credentials found; run the proxy interactively for initial login")
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}
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log.Printf("no valid credentials found, starting OAuth login flow...")
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cred, err = auth.Login(context.Background())
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if err != nil {
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return fmt.Errorf("login failed: %w", err)
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}
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}
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log.Printf("loaded credential for %s", cred.Email)
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pool := auth.NewPool([]*auth.Credential{cred})
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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pool.RefreshExpiring(context.Background())
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auth.StartBackgroundRefresh(ctx, pool)
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var profile *proxy.SniffedProfile
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if cfg.ClaudeBinary != "" {
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log.Printf("sniffing claude-code at %s...", cfg.ClaudeBinary)
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profile, err = proxy.SniffClaudeCode(cfg.ClaudeBinary)
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if err != nil {
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log.Printf("warning: sniff failed, using defaults: %v", err)
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}
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}
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log.Printf("starting server on port %d", cfg.Port)
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srv := server.New(cfg, pool, profile)
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quit := make(chan os.Signal, 1)
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signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
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go func() {
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<-quit
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log.Printf("shutting down...")
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cancel()
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shutdownCtx, shutdownCancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer shutdownCancel()
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if err := srv.Shutdown(shutdownCtx); err != nil {
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log.Printf("shutdown error: %v", err)
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}
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}()
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if err := srv.Start(); err != nil && err != http.ErrServerClosed {
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return err
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}
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return nil
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}
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func main() {
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if err := run(); err != nil {
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log.Printf("error: %v", err)
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os.Exit(1)
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}
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}
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