mirror of
https://github.com/drakkan/sftpgo.git
synced 2024-11-25 00:50:31 +00:00
115 lines
3.5 KiB
Go
115 lines
3.5 KiB
Go
// Copyright (C) 2019-2022 Nicola Murino
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU Affero General Public License as published
|
|
// by the Free Software Foundation, version 3.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU Affero General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Affero General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
// Package command provides command configuration for SFTPGo hooks
|
|
package command
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"strings"
|
|
"time"
|
|
)
|
|
|
|
const (
|
|
minTimeout = 1
|
|
maxTimeout = 300
|
|
defaultTimeout = 30
|
|
)
|
|
|
|
var (
|
|
config Config
|
|
)
|
|
|
|
// Command define the configuration for a specific commands
|
|
type Command struct {
|
|
// Path is the command path as defined in the hook configuration
|
|
Path string `json:"path" mapstructure:"path"`
|
|
// Timeout specifies a time limit, in seconds, for the command execution.
|
|
// This value overrides the global timeout if set.
|
|
// Do not use variables with the SFTPGO_ prefix to avoid conflicts with env
|
|
// vars that SFTPGo sets
|
|
Timeout int `json:"timeout" mapstructure:"timeout"`
|
|
// Env defines additional environment variable for the commands.
|
|
// Each entry is of the form "key=value".
|
|
// These values are added to the global environment variables if any
|
|
Env []string `json:"env" mapstructure:"env"`
|
|
}
|
|
|
|
// Config defines the configuration for external commands such as
|
|
// program based hooks
|
|
type Config struct {
|
|
// Timeout specifies a global time limit, in seconds, for the external commands execution
|
|
Timeout int `json:"timeout" mapstructure:"timeout"`
|
|
// Env defines additional environment variable for the commands.
|
|
// Each entry is of the form "key=value".
|
|
// Do not use variables with the SFTPGO_ prefix to avoid conflicts with env
|
|
// vars that SFTPGo sets
|
|
Env []string `json:"env" mapstructure:"env"`
|
|
// Commands defines configuration for specific commands
|
|
Commands []Command `json:"commands" mapstructure:"commands"`
|
|
}
|
|
|
|
func init() {
|
|
config = Config{
|
|
Timeout: defaultTimeout,
|
|
}
|
|
}
|
|
|
|
// Initialize configures commands
|
|
func (c Config) Initialize() error {
|
|
if c.Timeout < minTimeout || c.Timeout > maxTimeout {
|
|
return fmt.Errorf("invalid timeout %v", c.Timeout)
|
|
}
|
|
for _, env := range c.Env {
|
|
if len(strings.Split(env, "=")) != 2 {
|
|
return fmt.Errorf("invalid env var %#v", env)
|
|
}
|
|
}
|
|
for idx, cmd := range c.Commands {
|
|
if cmd.Path == "" {
|
|
return fmt.Errorf("invalid path %#v", cmd.Path)
|
|
}
|
|
if cmd.Timeout == 0 {
|
|
c.Commands[idx].Timeout = c.Timeout
|
|
} else {
|
|
if cmd.Timeout < minTimeout || cmd.Timeout > maxTimeout {
|
|
return fmt.Errorf("invalid timeout %v for command %#v", cmd.Timeout, cmd.Path)
|
|
}
|
|
}
|
|
for _, env := range cmd.Env {
|
|
if len(strings.Split(env, "=")) != 2 {
|
|
return fmt.Errorf("invalid env var %#v for command %#v", env, cmd.Path)
|
|
}
|
|
}
|
|
}
|
|
config = c
|
|
return nil
|
|
}
|
|
|
|
// GetConfig returns the configuration for the specified command
|
|
func GetConfig(command string) (time.Duration, []string) {
|
|
env := os.Environ()
|
|
timeout := time.Duration(config.Timeout) * time.Second
|
|
env = append(env, config.Env...)
|
|
for _, cmd := range config.Commands {
|
|
if cmd.Path == command {
|
|
timeout = time.Duration(cmd.Timeout) * time.Second
|
|
env = append(env, cmd.Env...)
|
|
break
|
|
}
|
|
}
|
|
|
|
return timeout, env
|
|
}
|