getCredentials() und OpenDB() zum öffnen einer sql.DB erstellt

This commit is contained in:
Jason Streifling 2023-10-05 17:42:47 +02:00
parent ea0fdee0e0
commit fdf68adb0d
4 changed files with 72 additions and 2 deletions

52
db.go Normal file
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@ -0,0 +1,52 @@
package sicherheitsunterweisung
import (
"bufio"
"database/sql"
"fmt"
"os"
"strings"
"syscall"
"github.com/go-sql-driver/mysql"
"golang.org/x/term"
)
func getCredentials() (string, string, error) {
fmt.Printf("DB Benutzer: ")
user, err := bufio.NewReader(os.Stdin).ReadString('\n')
if err != nil {
return "", "", fmt.Errorf("getCredentials: bufio.NewReader(os.Stdin).ReadString('\n'): %v", err)
}
fmt.Printf("DB Passwort: ")
bytePass, err := term.ReadPassword(int(syscall.Stdin))
if err != nil {
return "", "", fmt.Errorf("getCredentials: term.ReadPassword(int(syscall.Stdin)): %v", err)
}
fmt.Println()
pass := string(bytePass)
return strings.TrimSpace(user), strings.TrimSpace(pass), nil
}
func OpenDB(dbName string) (*sql.DB, error) {
var err error
cfg := mysql.NewConfig()
cfg.DBName = dbName
cfg.User, cfg.Passwd, err = getCredentials()
if err != nil {
return nil, fmt.Errorf("OpenDB: getCredentials(): %v\n", err)
}
db, err := sql.Open("mysql", cfg.FormatDSN())
if err != nil {
return nil, fmt.Errorf("newDB: sql.Open(\"mysql\", cfg.FormatDSN()): %v\n", err)
}
if err := db.Ping(); err != nil {
return nil, fmt.Errorf("newDB: db.Ping(): %v\n", err)
}
return db, nil
}

7
go.mod
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@ -1,3 +1,10 @@
module streifling.com/jason/sicherheitsunterweisung module streifling.com/jason/sicherheitsunterweisung
go 1.21.1 go 1.21.1
require (
github.com/go-sql-driver/mysql v1.7.1
golang.org/x/term v0.13.0
)
require golang.org/x/sys v0.13.0 // indirect

6
go.sum Normal file
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@ -0,0 +1,6 @@
github.com/go-sql-driver/mysql v1.7.1 h1:lUIinVbN1DY0xBg0eMOzmmtGoHwWBbvnWubQUrtU8EI=
github.com/go-sql-driver/mysql v1.7.1/go.mod h1:OXbVy3sEdcQ2Doequ6Z5BW6fXNQTmx+9S1MCJN5yJMI=
golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/term v0.13.0 h1:bb+I9cTfFazGW51MZqBVmZy7+JEJMouUHTUSKVQLBek=
golang.org/x/term v0.13.0/go.mod h1:LTmsnFJwVN6bCy1rVCoS+qHT1HhALEFxKncY3WNNh4U=

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@ -1,4 +1,4 @@
package main package sicherheitsunterweisung
import ( import (
"fmt" "fmt"
@ -33,8 +33,13 @@ func main() {
var i, j int64 var i, j int64
var b Briefing var b Briefing
mux := http.NewServeMux()
i, j = 1, 1 i, j = 1, 1
mux := http.NewServeMux()
db, err := OpenDB("sicherheitsunterweisung")
if err != nil {
log.Fatalln(err)
}
mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static/")))) mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static/"))))
mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {