ntfy/cmd/user_allow.go

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2022-01-23 21:30:30 +01:00
package cmd
import (
"errors"
"fmt"
"github.com/urfave/cli/v2"
"heckel.io/ntfy/auth"
"heckel.io/ntfy/util"
)
var flagsAllow = append(
userCommandFlags(),
&cli.BoolFlag{Name: "reset", Aliases: []string{"r"}, Usage: "reset access for user (and topic)"},
)
var cmdAllow = &cli.Command{
Name: "allow",
Usage: "Grant a user access to a topic",
UsageText: "ntfy allow USERNAME TOPIC [read-write|read-only|write-only]",
Flags: flagsAllow,
Before: initConfigFileInputSource("config", flagsAllow),
Action: execUserAllow,
Category: categoryServer,
}
func execUserAllow(c *cli.Context) error {
username := c.Args().Get(0)
topic := c.Args().Get(1)
perms := c.Args().Get(2)
reset := c.Bool("reset")
if username == "" {
return errors.New("username expected, type 'ntfy allow --help' for help")
} else if !reset && topic == "" {
return errors.New("topic expected, type 'ntfy allow --help' for help")
} else if !util.InStringList([]string{"", "read-write", "read-only", "read", "ro", "write-only", "write", "wo", "none"}, perms) {
return errors.New("permission must be one of: read-write, read-only, write-only, or none (or the aliases: read, ro, write, wo)")
}
if username == "everyone" {
username = ""
}
read := util.InStringList([]string{"", "read-write", "read-only", "read", "ro"}, perms)
write := util.InStringList([]string{"", "read-write", "write-only", "write", "wo"}, perms)
manager, err := createAuthManager(c)
if err != nil {
return err
}
if reset {
return doAccessReset(c, manager, username, topic)
}
return doAccessAllow(c, manager, username, topic, read, write)
}
func doAccessAllow(c *cli.Context, manager auth.Manager, username string, topic string, read bool, write bool) error {
if err := manager.AllowAccess(username, topic, read, write); err != nil {
return err
}
if username == "" {
if read && write {
fmt.Fprintf(c.App.ErrWriter, "Anonymous users granted full access to topic %s\n", topic)
} else if read {
fmt.Fprintf(c.App.ErrWriter, "Anonymous users granted read-only access to topic %s\n", topic)
} else if write {
fmt.Fprintf(c.App.ErrWriter, "Anonymous users granted write-only access to topic %s\n", topic)
} else {
fmt.Fprintf(c.App.ErrWriter, "Revoked all access to topic %s for all anonymous users\n", topic)
}
} else {
if read && write {
fmt.Fprintf(c.App.ErrWriter, "User %s now has read-write access to topic %s\n", username, topic)
} else if read {
fmt.Fprintf(c.App.ErrWriter, "User %s now has read-only access to topic %s\n", username, topic)
} else if write {
fmt.Fprintf(c.App.ErrWriter, "User %s now has write-only access to topic %s\n", username, topic)
} else {
fmt.Fprintf(c.App.ErrWriter, "Revoked all access to topic %s for user %s\n", topic, username)
}
}
return nil
}
func doAccessReset(c *cli.Context, manager auth.Manager, username, topic string) error {
if err := manager.ResetAccess(username, topic); err != nil {
return err
}
if username == "" {
if topic == "" {
fmt.Fprintln(c.App.ErrWriter, "Reset access for all anonymous users and all topics")
} else {
fmt.Fprintf(c.App.ErrWriter, "Reset access to topic %s for all anonymous users\n", topic)
}
} else {
if topic == "" {
fmt.Fprintf(c.App.ErrWriter, "Reset access for user %s to all topics\n", username)
} else {
fmt.Fprintf(c.App.ErrWriter, "Reset access for user %s and topic %s\n", username, topic)
}
}
return nil
}