100 lines
2.1 KiB
Go
100 lines
2.1 KiB
Go
package main
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import (
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"context"
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"fmt"
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"os"
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"reflect"
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"time"
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auth "nyanimedb/auth"
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handlers "nyanimedb/modules/auth/handlers"
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sqlc "nyanimedb/sql"
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"github.com/gin-contrib/cors"
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"github.com/gin-gonic/gin"
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"github.com/jackc/pgx/v5/pgxpool"
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"github.com/pelletier/go-toml/v2"
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log "github.com/sirupsen/logrus"
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)
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var AppConfig Config
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func main() {
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if len(os.Args) != 2 {
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AppConfig.Mode = "env"
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} else {
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AppConfig.Mode = "argv"
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}
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err := InitConfig()
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if err != nil {
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log.Fatalf("Failed to init config: %v\n", err)
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}
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r := gin.Default()
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pool, err := pgxpool.New(context.Background(), os.Getenv("DATABASE_URL"))
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if err != nil {
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fmt.Fprintf(os.Stderr, "Unable to connect to database: %v\n", err)
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os.Exit(1)
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}
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var queries *sqlc.Queries = sqlc.New(pool)
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server := handlers.NewServer(queries, AppConfig.JwtPrivateKey)
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r.Use(cors.New(cors.Config{
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AllowOrigins: []string{AppConfig.ServiceAddress},
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AllowMethods: []string{"GET", "POST", "PUT", "DELETE"},
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AllowHeaders: []string{"Origin", "Content-Type", "Accept"},
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ExposeHeaders: []string{"Content-Length"},
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AllowCredentials: true,
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MaxAge: 12 * time.Hour,
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}))
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auth.RegisterHandlers(r, auth.NewStrictHandler(
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server,
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[]auth.StrictMiddlewareFunc{},
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))
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r.Run(":8082")
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}
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func InitConfig() error {
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if AppConfig.Mode == "argv" {
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content, err := os.ReadFile(os.Args[1])
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if err != nil {
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return err
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}
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toml.Unmarshal(content, &AppConfig)
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fmt.Printf("%+v\n", AppConfig)
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return nil
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} else if AppConfig.Mode == "env" {
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f := reflect.ValueOf(AppConfig)
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for i := 0; i < f.NumField(); i++ {
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field := f.Type().Field(i)
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tag := field.Tag
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env_var := tag.Get("env")
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fmt.Printf("Field: %v.\nEnvironment variable: %v.\n", field.Name, env_var)
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if env_var != "" {
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env_value, exists := os.LookupEnv(env_var)
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if !exists {
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return fmt.Errorf("there is no env variable %s", env_var)
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}
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err := setField(&AppConfig, field.Name, env_value)
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if err != nil {
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return fmt.Errorf("failed to set config field %s: %v", field.Name, err)
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}
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}
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}
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return nil
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} else {
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return fmt.Errorf("incorrect config mode")
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}
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}
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