organise stuff better

handlers/command.go

@@ -0,0 +1,48 @@
+package handlers
+
+import (
+	"net/http"
+	"os/exec"
+	"path/filepath"
+	"strings"
+
+	"github.com/hacdias/caddy-filemanager/config"
+	"github.com/hacdias/caddy-filemanager/page"
+)
+
+// Command handles the requests for VCS related commands: git, svn and mercurial
+func Command(w http.ResponseWriter, r *http.Request, c *config.Config, u *config.User) (int, error) {
+	command := strings.Split(r.Header.Get("command"), " ")
+
+	// Check if the command is allowed
+	mayContinue := false
+
+	for _, cmd := range u.Commands {
+		if cmd == command[0] {
+			mayContinue = true
+		}
+	}
+
+	if !mayContinue {
+		return http.StatusForbidden, nil
+	}
+
+	// Check if the program is talled is installed on the computer
+	if _, err := exec.LookPath(command[0]); err != nil {
+		return http.StatusNotImplemented, nil
+	}
+
+	path := strings.Replace(r.URL.Path, c.BaseURL, c.Scope, 1)
+	path = filepath.Clean(path)
+
+	cmd := exec.Command(command[0], command[1:len(command)]...)
+	cmd.Dir = path
+	output, err := cmd.CombinedOutput()
+
+	if err != nil {
+		return http.StatusInternalServerError, err
+	}
+
+	p := &page.Page{Info: &page.Info{Data: string(output)}}
+	return p.PrintAsJSON(w)
+}