a40a4aa626
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Complete MVP implementation of the Cast GHL Conversation Provider bridge: - Go module setup with chi router and mongo-driver dependencies - Config loading with env var validation and defaults - MongoDB token store with upsert, get, update, delete operations - Cast.ph SMS client with 429 retry logic and typed errors - Phone number normalization (E.164 ↔ Philippine local format) - GHL OAuth 2.0 install/callback/refresh flow - GHL webhook handler with ECDSA signature verification (async dispatch) - GHL API client for message status updates and inbound message stubs - Multi-stage Dockerfile, docker-compose with MongoDB, Woodpecker CI pipeline - Unit tests for phone normalization, Cast client, GHL webhook, and OAuth handlers Co-Authored-By: SideKx <sidekx.ai@sds.dev>
89 lines
2.3 KiB
Go
89 lines
2.3 KiB
Go
package main
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import (
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"context"
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"log/slog"
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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/go-chi/chi/v5"
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"github.com/go-chi/chi/v5/middleware"
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"git.sds.dev/CAST/cast-ghl-plugin/internal/cast"
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"git.sds.dev/CAST/cast-ghl-plugin/internal/config"
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"git.sds.dev/CAST/cast-ghl-plugin/internal/ghl"
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"git.sds.dev/CAST/cast-ghl-plugin/internal/store"
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)
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func main() {
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slog.SetDefault(slog.New(slog.NewJSONHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelInfo})))
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cfg, err := config.Load()
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if err != nil {
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slog.Error("config error", "err", err)
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os.Exit(1)
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}
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ctx := context.Background()
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s, err := store.NewStore(ctx, cfg.MongoURI)
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if err != nil {
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slog.Error("failed to connect to mongodb", "err", err)
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os.Exit(1)
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}
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defer s.Close(ctx)
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castClient := cast.NewClient(cfg.CastAPIURL, cfg.CastAPIKey, cfg.CastSenderID)
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ghlAPI := ghl.NewAPIClient()
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oauthHandler := ghl.NewOAuthHandler(cfg.GHLClientID, cfg.GHLClientSecret, cfg.BaseURL, cfg.GHLConversationProviderID, s)
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webhookHandler, err := ghl.NewWebhookHandler(cfg.GHLWebhookPublicKey, castClient, ghlAPI, oauthHandler)
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if err != nil {
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slog.Error("failed to initialize webhook handler", "err", err)
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os.Exit(1)
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}
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r := chi.NewRouter()
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r.Use(middleware.RequestID)
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r.Use(middleware.RealIP)
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r.Use(middleware.Recoverer)
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r.Use(middleware.Timeout(60 * time.Second))
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r.Get("/health", healthCheck)
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r.Get("/install", oauthHandler.HandleInstall)
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r.Get("/oauth-callback", oauthHandler.HandleCallback)
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r.Post("/api/ghl/v1/webhook/messages", webhookHandler.HandleWebhook)
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srv := &http.Server{
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Addr: ":" + cfg.Port,
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Handler: r,
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}
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go func() {
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sigCh := make(chan os.Signal, 1)
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signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
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<-sigCh
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slog.Info("shutting down...")
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shutdownCtx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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if err := srv.Shutdown(shutdownCtx); err != nil {
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slog.Error("shutdown error", "err", err)
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}
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}()
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slog.Info("cast-ghl-provider started", "port", cfg.Port, "base_url", cfg.BaseURL)
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if err := srv.ListenAndServe(); err != http.ErrServerClosed {
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slog.Error("server error", "err", err)
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os.Exit(1)
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}
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}
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func healthCheck(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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w.WriteHeader(http.StatusOK)
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w.Write([]byte(`{"status":"ok","service":"cast-ghl-provider"}`))
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}
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