109 lines
2.2 KiB
Go
109 lines
2.2 KiB
Go
package types
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import (
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"fmt"
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"log"
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"os"
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"os/exec"
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"strings"
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"github.com/mholt/caddy"
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"github.com/spf13/afero"
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)
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var defaultEvents = []string{
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"save",
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"copy",
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"rename",
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"upload",
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"delete",
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}
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// Run runs the hooks for the before and after event.
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func (s *Settings) Run(fn func() error, evt, path, dst string, user *User) error {
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path = afero.FullBaseFsPath(user.Fs.(*afero.BasePathFs), path)
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dst = afero.FullBaseFsPath(user.Fs.(*afero.BasePathFs), dst)
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if val, ok := s.Commands["before_"+evt]; ok {
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for _, command := range val {
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err := s.exec(command, "before_"+evt, path, dst, user)
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if err != nil {
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return err
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}
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}
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}
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err := fn()
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if err != nil {
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return err
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}
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if val, ok := s.Commands["after_"+evt]; ok {
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for _, command := range val {
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err := s.exec(command, "after_"+evt, path, dst, user)
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if err != nil {
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return err
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}
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}
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}
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return nil
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}
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// ParseCommand parses the command taking in account
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func (s *Settings) ParseCommand(raw string) ([]string, error) {
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command := []string{}
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if len(s.Shell) == 0 {
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cmd, args, err := caddy.SplitCommandAndArgs(raw)
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if err != nil {
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return nil, err
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}
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_, err = exec.LookPath(cmd)
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if err != nil {
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return nil, err
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}
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command = append(command, cmd)
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command = append(command, args...)
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} else {
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command = append(s.Shell, raw)
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}
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return command, nil
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}
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func (s *Settings) exec(raw, evt, path, dst string, user *User) error {
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blocking := true
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if strings.HasSuffix(raw, "&") {
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blocking = false
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raw = strings.TrimSpace(strings.TrimSuffix(raw, "&"))
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}
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command, err := s.ParseCommand(raw)
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if err != nil {
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return err
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}
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cmd := exec.Command(command[0], command[1:]...)
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cmd.Env = append(os.Environ(), fmt.Sprintf("FILE=%s", path))
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cmd.Env = append(cmd.Env, fmt.Sprintf("SCOPE=%s", user.Scope))
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cmd.Env = append(cmd.Env, fmt.Sprintf("TRIGGER=%s", evt))
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cmd.Env = append(cmd.Env, fmt.Sprintf("USERNAME=%s", user.Username))
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cmd.Env = append(cmd.Env, fmt.Sprintf("DESTINATION=%s", dst))
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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if !blocking {
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log.Printf("[INFO] Nonblocking Command: \"%s\"", strings.Join(command, " "))
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return cmd.Start()
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}
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log.Printf("[INFO] Blocking Command: \"%s\"", strings.Join(command, " "))
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return cmd.Run()
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}
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