393 lines
13 KiB
Go
393 lines
13 KiB
Go
package main
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import (
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"errors"
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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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"path/filepath"
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"strings"
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"time"
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"arimelody-web/admin"
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"arimelody-web/api"
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"arimelody-web/controller"
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"arimelody-web/global"
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"arimelody-web/model"
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"arimelody-web/templates"
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"arimelody-web/view"
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"github.com/jmoiron/sqlx"
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_ "github.com/lib/pq"
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)
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// used for database migrations
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const DB_VERSION = 1
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const DEFAULT_PORT int64 = 8080
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func main() {
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fmt.Printf("made with <3 by ari melody\n\n")
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// TODO: refactor `global` to `AppState`
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// this should contain `Config` and `DB`, and be passed through to all
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// handlers that need it. it's better than weird static globals everywhere!
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// initialise database connection
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if global.Config.DB.Host == "" {
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fmt.Fprintf(os.Stderr, "FATAL: db.host not provided! Exiting...\n")
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os.Exit(1)
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}
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if global.Config.DB.Name == "" {
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fmt.Fprintf(os.Stderr, "FATAL: db.name not provided! Exiting...\n")
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os.Exit(1)
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}
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if global.Config.DB.User == "" {
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fmt.Fprintf(os.Stderr, "FATAL: db.user not provided! Exiting...\n")
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os.Exit(1)
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}
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if global.Config.DB.Pass == "" {
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fmt.Fprintf(os.Stderr, "FATAL: db.pass not provided! Exiting...\n")
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os.Exit(1)
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}
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var err error
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global.DB, err = sqlx.Connect(
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"postgres",
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fmt.Sprintf(
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"host=%s port=%d user=%s dbname=%s password='%s' sslmode=disable",
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global.Config.DB.Host,
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global.Config.DB.Port,
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global.Config.DB.User,
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global.Config.DB.Name,
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global.Config.DB.Pass,
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),
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)
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if err != nil {
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fmt.Fprintf(os.Stderr, "FATAL: Unable to initialise database: %v\n", err)
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os.Exit(1)
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}
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global.DB.SetConnMaxLifetime(time.Minute * 3)
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global.DB.SetMaxOpenConns(10)
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global.DB.SetMaxIdleConns(10)
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defer global.DB.Close()
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// handle command arguments
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if len(os.Args) > 1 {
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arg := os.Args[1]
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switch arg {
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case "createTOTP":
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if len(os.Args) < 4 {
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fmt.Fprintf(os.Stderr, "FATAL: `username` and `name` must be specified for createTOTP.\n")
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os.Exit(1)
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}
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username := os.Args[2]
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totpName := os.Args[3]
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secret := controller.GenerateTOTPSecret(controller.TOTP_SECRET_LENGTH)
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account, err := controller.GetAccount(global.DB, username)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to fetch account \"%s\": %v\n", username, err)
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os.Exit(1)
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}
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if account == nil {
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fmt.Fprintf(os.Stderr, "Account \"%s\" does not exist.\n", username)
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os.Exit(1)
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}
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totp := model.TOTP {
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AccountID: account.ID,
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Name: totpName,
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Secret: string(secret),
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}
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err = controller.CreateTOTP(global.DB, &totp)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to create TOTP method: %v\n", err)
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os.Exit(1)
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}
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url := controller.GenerateTOTPURI(account.Username, totp.Secret)
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fmt.Printf("%s\n", url)
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return
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case "deleteTOTP":
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if len(os.Args) < 4 {
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fmt.Fprintf(os.Stderr, "FATAL: `username` and `name` must be specified for deleteTOTP.\n")
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os.Exit(1)
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}
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username := os.Args[2]
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totpName := os.Args[3]
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account, err := controller.GetAccount(global.DB, username)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to fetch account \"%s\": %v\n", username, err)
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os.Exit(1)
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}
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if account == nil {
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fmt.Fprintf(os.Stderr, "Account \"%s\" does not exist.\n", username)
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os.Exit(1)
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}
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err = controller.DeleteTOTP(global.DB, account.ID, totpName)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to create TOTP method: %v\n", err)
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os.Exit(1)
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}
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fmt.Printf("TOTP method \"%s\" deleted.\n", totpName)
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return
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case "listTOTP":
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if len(os.Args) < 3 {
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fmt.Fprintf(os.Stderr, "FATAL: `username` must be specified for listTOTP.\n")
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os.Exit(1)
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}
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username := os.Args[2]
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account, err := controller.GetAccount(global.DB, username)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to fetch account \"%s\": %v\n", username, err)
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os.Exit(1)
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}
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if account == nil {
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fmt.Fprintf(os.Stderr, "Account \"%s\" does not exist.\n", username)
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os.Exit(1)
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}
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totps, err := controller.GetTOTPsForAccount(global.DB, account.ID)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to create TOTP methods: %v\n", err)
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os.Exit(1)
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}
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for i, totp := range totps {
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fmt.Printf("%d. %s - Created %s\n", i + 1, totp.Name, totp.CreatedAt)
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}
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if len(totps) == 0 {
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fmt.Printf("\"%s\" has no TOTP methods.\n", account.Username)
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}
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return
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case "testTOTP":
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if len(os.Args) < 4 {
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fmt.Fprintf(os.Stderr, "FATAL: `username` and `name` must be specified for testTOTP.\n")
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os.Exit(1)
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}
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username := os.Args[2]
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totpName := os.Args[3]
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account, err := controller.GetAccount(global.DB, username)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to fetch account \"%s\": %v\n", username, err)
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os.Exit(1)
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}
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if account == nil {
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fmt.Fprintf(os.Stderr, "Account \"%s\" does not exist.\n", username)
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os.Exit(1)
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}
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totp, err := controller.GetTOTP(global.DB, account.ID, totpName)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to fetch TOTP method \"%s\": %v\n", totpName, err)
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os.Exit(1)
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}
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if totp == nil {
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fmt.Fprintf(os.Stderr, "TOTP method \"%s\" does not exist for account \"%s\"\n", totpName, username)
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os.Exit(1)
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}
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code := controller.GenerateTOTP(totp.Secret, 0)
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fmt.Printf("%s\n", code)
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return
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case "createInvite":
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fmt.Printf("Creating invite...\n")
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invite, err := controller.CreateInvite(global.DB, 16, time.Hour * 24)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to create invite code: %v\n", err)
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os.Exit(1)
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}
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fmt.Printf("Here you go! This code expires in 24 hours: %s\n", invite.Code)
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return
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case "purgeInvites":
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fmt.Printf("Deleting all invites...\n")
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err := controller.DeleteAllInvites(global.DB)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to delete invites: %v\n", err)
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os.Exit(1)
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}
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fmt.Printf("Invites deleted successfully.\n")
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return
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case "listAccounts":
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accounts, err := controller.GetAllAccounts(global.DB)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to fetch accounts: %v\n", err)
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os.Exit(1)
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}
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for _, account := range accounts {
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fmt.Printf(
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"User: %s\n" +
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"\tID: %s\n" +
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"\tEmail: %s\n" +
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"\tCreated: %s\n",
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account.Username,
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account.ID,
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account.Email,
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account.CreatedAt,
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)
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}
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return
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case "deleteAccount":
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if len(os.Args) < 3 {
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fmt.Fprintf(os.Stderr, "FATAL: `username` must be specified for deleteAccount\n")
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os.Exit(1)
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}
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username := os.Args[2]
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fmt.Printf("Deleting account \"%s\"...\n", username)
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account, err := controller.GetAccount(global.DB, username)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to fetch account \"%s\": %v\n", username, err)
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os.Exit(1)
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}
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if account == nil {
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fmt.Fprintf(os.Stderr, "Account \"%s\" does not exist.\n", username)
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os.Exit(1)
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}
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fmt.Printf("You are about to delete \"%s\". Are you sure? (y/[N]): ", account.Username)
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res := ""
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fmt.Scanln(&res)
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if !strings.HasPrefix(res, "y") {
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return
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}
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err = controller.DeleteAccount(global.DB, username)
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if err != nil {
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fmt.Fprintf(os.Stderr, "Failed to delete account: %v\n", err)
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os.Exit(1)
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}
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fmt.Printf("Account \"%s\" deleted successfully.\n", account.Username)
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return
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}
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// command help
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fmt.Print(
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"Available commands:\n\n" +
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"createTOTP <username> <name>:\n\tCreates a timed one-time passcode method.\n" +
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"listTOTP <username>:\n\tLists an account's TOTP methods.\n" +
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"deleteTOTP <username> <name>:\n\tDeletes an account's TOTP method.\n" +
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"testTOTP <username> <name>:\n\tGenerates the code for an account's TOTP method.\n" +
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"\n" +
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"createInvite:\n\tCreates an invite code to register new accounts.\n" +
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"purgeInvites:\n\tDeletes all available invite codes.\n" +
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"listAccounts:\n\tLists all active accounts.\n",
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"deleteAccount <username>:\n\tDeletes an account with a given `username`.\n",
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)
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return
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}
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// handle DB migrations
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controller.CheckDBVersionAndMigrate(global.DB)
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// initial invite code
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accountsCount := 0
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err = global.DB.Get(&accountsCount, "SELECT count(*) FROM account")
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if err != nil { panic(err) }
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if accountsCount == 0 {
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_, err := global.DB.Exec("DELETE FROM invite")
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if err != nil {
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fmt.Fprintf(os.Stderr, "FATAL: Failed to clear existing invite codes: %v\n", err)
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os.Exit(1)
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}
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invite, err := controller.CreateInvite(global.DB, 16, time.Hour * 24)
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if err != nil {
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fmt.Fprintf(os.Stderr, "FATAL: Failed to create invite code: %v\n", err)
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os.Exit(1)
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}
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fmt.Printf("No accounts exist! Generated invite code: %s\n", invite.Code)
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}
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// delete expired invites
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err = controller.DeleteExpiredInvites(global.DB)
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if err != nil {
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fmt.Fprintf(os.Stderr, "FATAL: Failed to clear expired invite codes: %v\n", err)
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os.Exit(1)
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}
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// start the web server!
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mux := createServeMux()
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fmt.Printf("Now serving at %s:%d\n", global.Config.BaseUrl, global.Config.Port)
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log.Fatal(
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http.ListenAndServe(fmt.Sprintf(":%d", global.Config.Port),
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global.HTTPLog(global.DefaultHeaders(mux)),
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))
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}
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func createServeMux() *http.ServeMux {
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mux := http.NewServeMux()
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mux.Handle("/admin/", http.StripPrefix("/admin", admin.Handler(global.DB)))
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mux.Handle("/api/", http.StripPrefix("/api", api.Handler(global.DB)))
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mux.Handle("/music/", http.StripPrefix("/music", view.MusicHandler(global.DB)))
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mux.Handle("/uploads/", http.StripPrefix("/uploads", staticHandler(filepath.Join(global.Config.DataDirectory, "uploads"))))
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mux.Handle("/", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if r.Method == http.MethodHead {
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w.WriteHeader(http.StatusOK)
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return
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}
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if r.URL.Path == "/" || r.URL.Path == "/index.html" {
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err := templates.Pages["index"].Execute(w, nil)
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if err != nil {
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http.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError)
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}
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return
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}
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staticHandler("public").ServeHTTP(w, r)
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}))
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return mux
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}
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func staticHandler(directory string) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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info, err := os.Stat(filepath.Join(directory, filepath.Clean(r.URL.Path)))
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// does the file exist?
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if err != nil {
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if errors.Is(err, os.ErrNotExist) {
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http.NotFound(w, r)
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return
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}
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}
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// is thjs a directory? (forbidden)
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if info.IsDir() {
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http.NotFound(w, r)
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return
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}
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http.FileServer(http.Dir(directory)).ServeHTTP(w, r)
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})
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}
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