receipt_indexer/backend/cmd/api/api.go
Ethan Wellenreiter 4e8702c0c1 WIP with api routes
Signed-off-by: Ethan Wellenreiter <ewellenreiter@gmail.com>
2025-05-02 20:26:53 -04:00

267 lines
7.4 KiB
Go

package main
import (
"context"
"errors"
"net/http"
"os"
"os/signal"
"syscall"
"time"
"github.com/go-chi/chi/v5"
"github.com/go-chi/chi/v5/middleware"
"github.com/go-chi/httprate"
// "git.ewellenr.ca/receipt_indexer/backend/internal/auth"
"git.ewellenr.ca/receipt_indexer/backend/internal/env"
"git.ewellenr.ca/receipt_indexer/backend/internal/logger"
"git.ewellenr.ca/receipt_indexer/backend/internal/ratelimiter"
"git.ewellenr.ca/receipt_indexer/backend/internal/storage"
auth_storage "git.ewellenr.ca/receipt_indexer/backend/internal/storage/auth"
"git.ewellenr.ca/receipt_indexer/backend/internal/storage/cache"
)
type application struct {
// set up the configs stuff here
config config
auth auth_storage.AuthStorage
store storage.Storage
logger logger.Logger
cacheStorage cache.Storage
rateLimiter ratelimiter.Limiter
environment env.Environment
}
type config struct {
addr string
rateLimiter ratelimiter.Config
redisCfg redisConfig
// holds the different stuff like rate limiter, store, authenticator
}
type redisConfig struct {
addr string
pw string
db int
enabled bool
}
func (app *application) mount() http.Handler {
r := chi.NewRouter()
r.Use(middleware.Logger)
r.Use(middleware.RequestID)
r.Use(middleware.RealIP)
r.Use(middleware.CleanPath)
r.Use(middleware.Recoverer)
r.Use(middleware.Throttle(100)) // temporary or removable. throttles the whole thing to 1000 concurrent requests
// r.Use(cors.Handler(cors.Options{
// AllowedOrigins: []string{env.GetString("CORS_ALLOWED_ORIGIN", "http://localhost:5174")},
// AllowedMethods: []string{"GET", "POST", "PUT", "DELETE", "OPTIONS"},
// AllowedHeaders: []string{"Accept", "Authorization", "Content-Type", "X-CSRF-Token"},
// ExposedHeaders: []string{"Link"},
// AllowCredentials: false,
// MaxAge: 300, // Maximum value not ignored by any of major browsers
// }))
// use either the chi built rate limiter or the custom built one
if app.config.rateLimiter.Enabled {
// r.Use(app.RateLimiterMiddleware)
r.Use(httprate.LimitByRealIP(app.config.rateLimiter.RequestsPerTimeFrame, app.config.rateLimiter.TimeFrame))
}
// Set a timeout value on the request context (ctx), that will signal
// through ctx.Done() that the request has timed out and further
// processing should be stopped.
r.Use(middleware.Timeout(60 * time.Second))
r.Use(middleware.Heartbeat("/ping"))
// v1 of api
r.Route("/v1", func(r chi.Router) {
// SEPERATE STUFF FOR THE LOGIN RELATED STUFF. CONSIDER A GROUP
// FIX API. NEED TO ALSO CONSIDER GROUPS AND STUFF
// Operations
// r.Get("/health", app.healthCheckHandler)
// r.With(app.BasicAuthMiddleware()).Get("/debug/vars", expvar.Handler().ServeHTTP)
// docsURL := fmt.Sprintf("%s/swagger/doc.json", app.config.addr)
// r.Get("/swagger/*", httpSwagger.Handler(httpSwagger.URL(docsURL)))
// Need to sign in as a user. Then, you can see the groups you're in, your role in the groups,
r.Route("/user", func(r chi.Router) {
r.Route("/{userID}", func(r chi.Router) {
r.Use(app.AuthSessionMiddleware, app.CSRFCheckMiddleware, app.CheckUserMatchingMiddleware)
r.Get("/", app.getUserHandler)
r.Route("/groups", func(r chi.Router) {
r.Get("/", app.getUsersGroupsHandler)
r.Route("/{groupID}", func(r chi.Router) {
r.Get("/", app.getUsersGroupHandler)
r.Delete("/", app.removeUserGroupHandler) // maybe this should expect authentication headers to reverify the password when deleting a group you own.
r.Put("/moderator", app.addGroupModeratorHandler)
r.Delete("/moderator/{secondaryuserID}", app.removeModeratorPriviligesHandler)
r.Get("/users", app.getGroupUsersHandler)
r.Delete("/users/{secondaryuserID}", app.removeUserFromGroupHandler)
r.Put("/owner", app.setGroupOwnerHandler)
})
})
r.Route("/receipts", func(r chi.Router) {
r.Get("/", app.getReceiptsHandler)
r.Route("/{receiptID}", func(r chi.Router) {
r.Get("/", app.getReceiptHandler)
r.Delete("/", app.deleteReceiptHandler)
r.Route("/images", func(r chi.Router) {
r.Get("/", app.getReceiptImagesHandler)
r.Put("/", app.addReceiptImageHandler)
r.Route("/{imageID}", func(r chi.Router) {
r.Get("/", app.getReceiptImageHandler)
r.Put("/", app.changeReceiptImageHandler)
r.Delete("/", app.deleteReceiptImageHandler)
})
})
})
})
})
})
r.Use(app.CSRFCheckMiddleware)
r.Group(func(r chi.Router) {
r.Use(app.AuthSessionMiddleware)
r.Use(app.CSRFCheckMiddleware)
r.Route("/groups", func(r chi.Router) {
r.Get("/", app.getGroupsHandler)
r.Route("/{groupID}", func(r chi.Router) {
r.Get("/", app.getGroupHandler)
})
})
r.Route("/users", func(r chi.Router) {
r.With(app.CheckRoleMiddleware("admin")).Get("/", app.getUsersHandler)
r.Route("/{userID}", func(r chi.Router) {
r.With(app.CheckRoleMiddleware("admin")).Delete("/", app.getUserHandler)
})
})
})
// r.Route("/users", func(r chi.Router) {
// // r.Put("/activate/{token}", app.activateUserHandler)
// // r.Get("/", app.check)
// r.Route("/{userID}", func(r chi.Router) {
// r.Use(app.AuthSessionMiddleware)
// r.Use(app.CSRFCheckMiddleware)
// // r.Use(app.CheckUserMatchingMiddleware)
// r.Get("/", app.getUserHandler)
// r.Route("/receipts", func(r chi.Router) {
// r.With(app.Paginate).Get("/", app.getReceiptsHandler)
// r.Post("/", app.createReceiptHandler)
// r.Route("/{receiptID}", func(r chi.Router) {
// r.Use(app.receiptsContextMiddleware)
// r.Get("/", app.getReceiptHandler)
// r.Patch("/", app.updateReceiptHandler)
// r.Delete("/", app.checkReceiptOwnership("admin", app.deleteReceiptHandler))
// r.Route("/images", func(r chi.Router) {
// r.Post("/", app.addImageHandler)
// r.Delete("/{imageID}", app.deleteImageHandler)
// })
// })
// })
// })
// })
// // Admin page routes
// r.Route("/admin", func(r chi.Router) {
// r.Use(app.AuthSessionMiddleware)
// r.Use(app.CheckRoleMiddleware("admin"))
// r.Route("/users", func(r chi.Router) {
// r.Get("/", app.getUsersHandler)
// r.Delete("/{userID}", app.deleteUserHandler)
// })
// })
// Public routes
r.Route("/auth", func(r chi.Router) {
r.Post("/login", app.loginHandler)
r.Post("/newuser", app.registerUserHandler)
r.Post("/refreshtoken", app.refreshTokenHandler)
r.Post("/logout", app.logoutHandler)
})
})
return r
}
func (app *application) run(mux http.Handler) error {
srv := &http.Server{
Addr: app.config.addr,
Handler: mux,
WriteTimeout: time.Second * 30,
ReadTimeout: time.Second * 10,
IdleTimeout: time.Minute,
}
shutdown := make(chan error)
go func() {
quit := make(chan os.Signal, 1)
signal.Notify(quit, syscall.SIGINT, syscall.SIGTERM)
s := <-quit
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
app.logger.Info("signal caught", "signal", s.String())
shutdown <- srv.Shutdown(ctx)
}()
app.logger.Info("server has started", "addr", app.config.addr) //, "env", app.config.env)
err := srv.ListenAndServe()
if !errors.Is(err, http.ErrServerClosed) {
return err
}
err = <-shutdown
if err != nil {
return err
}
app.logger.Info("server has stopped", "addr", app.config.addr) //, "env", app.config.env)
return nil
}