grain/main.go

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1.6 KiB
Go
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package main
import (
"fmt"
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"grain/config"
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configTypes "grain/config/types"
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"grain/relay"
"grain/relay/db"
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"grain/web"
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"log"
"net/http"
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"golang.org/x/net/websocket"
)
func main() {
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cfg, err := config.LoadConfig("config.yml")
if err != nil {
log.Fatal("Error loading config: ", err)
}
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client, err := db.InitDB(cfg)
if err != nil {
log.Fatal("Error initializing database: ", err)
}
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defer db.DisconnectDB(client)
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config.SetupRateLimiter(cfg)
config.SetupSizeLimiter(cfg)
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err = web.LoadRelayMetadataJSON()
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if err != nil {
log.Fatal("Failed to load relay metadata: ", err)
}
mux := setupRoutes()
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startServer(cfg, mux)
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}
func setupRoutes() *http.ServeMux {
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mux := http.NewServeMux()
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mux.HandleFunc("/", ListenAndServe)
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mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("web/static"))))
mux.HandleFunc("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {
http.ServeFile(w, r, "web/static/img/favicon.ico")
})
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return mux
}
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func startServer(config *configTypes.ServerConfig, mux *http.ServeMux) {
fmt.Printf("Server is running on http://localhost%s\n", config.Server.Port)
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err := http.ListenAndServe(config.Server.Port, mux)
if err != nil {
fmt.Println("Error starting server:", err)
}
}
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func ListenAndServe(w http.ResponseWriter, r *http.Request) {
if r.Header.Get("Upgrade") == "websocket" {
websocket.Handler(func(ws *websocket.Conn) {
relay.WebSocketHandler(ws)
}).ServeHTTP(w, r)
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} else if r.Header.Get("Accept") == "application/nostr+json" {
web.RelayInfoHandler(w, r)
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} else {
web.RootHandler(w, r)
}
}