Generate random password (#5023)

* add random-password flag

* run make fmt

* add length cli flag rather than use a default value

diff --git a/cmd/admin.go b/cmd/admin.go
index 5ee20860aba436b62d51c0f0a0a3abeeb31cb49c..d8acce778881b7166637a75a502249ba6965719c 100644 (file)
--- a/cmd/admin.go
+++ b/cmd/admin.go
@@ -6,6 +6,7 @@
 package cmd
 
 import (
+       "errors"
        "fmt"
        "os"
        "text/tabwriter"
@@ -13,6 +14,7 @@ import (
        "code.gitea.io/git"
        "code.gitea.io/gitea/models"
        "code.gitea.io/gitea/modules/auth/oauth2"
+       "code.gitea.io/gitea/modules/generate"
        "code.gitea.io/gitea/modules/log"
        "code.gitea.io/gitea/modules/setting"
 
@@ -59,10 +61,19 @@ var (
                                Value: "custom/conf/app.ini",
                                Usage: "Custom configuration file path",
                        },
+                       cli.BoolFlag{
+                               Name:  "random-password",
+                               Usage: "Generate a random password for the user",
+                       },
                        cli.BoolFlag{
                                Name:  "must-change-password",
                                Usage: "Force the user to change his/her password after initial login",
                        },
+                       cli.IntFlag{
+                               Name:  "random-password-length",
+                               Usage: "Length of the random password to be generated",
+                               Value: 12,
+                       },
                },
        }
 
@@ -277,10 +288,29 @@ func runChangePassword(c *cli.Context) error {
 }
 
 func runCreateUser(c *cli.Context) error {
-       if err := argsSet(c, "name", "password", "email"); err != nil {
+       if err := argsSet(c, "name", "email"); err != nil {
                return err
        }
 
+       if c.IsSet("password") && c.IsSet("random-password") {
+               return errors.New("cannot set both -random-password and -password flags")
+       }
+
+       var password string
+
+       if c.IsSet("password") {
+               password = c.String("password")
+       } else if c.IsSet("random-password") {
+               password, err := generate.GetRandomString(c.Int("random-password-length"))
+               if err != nil {
+                       return err
+               }
+
+               fmt.Printf("generated random password is '%s'\n", password)
+       } else {
+               return errors.New("must set either password or random-password flag")
+       }
+
        if c.IsSet("config") {
                setting.CustomConf = c.String("config")
        }
@@ -299,7 +329,7 @@ func runCreateUser(c *cli.Context) error {
        if err := models.CreateUser(&models.User{
                Name:               c.String("name"),
                Email:              c.String("email"),
-               Passwd:             c.String("password"),
+               Passwd:             password,
                IsActive:           true,
                IsAdmin:            c.Bool("admin"),
                MustChangePassword: changePassword,