func Run(uni *context.Uni, commands string) (string, error) {
if !scut.IsAdmin(uni.Dat["_user"]) {
return "", fmt.Errorf("Currently only admins can use this.")
}
lines := strings.Split(commands, "\n")
for i, v := range lines {
// This hack...
if len(v) > 0 && v[0] != '#' {
lines[i] = "{{" + v + "}}"
}
}
whole_file := strings.Join(lines, "\n")
funcMap := template.FuncMap(builtins(uni))
t, err := template.New("shell").Funcs(funcMap).Parse(string(whole_file))
if err != nil {
return "", strip(err)
}
context := map[string]interface{}{"dat": uni.Dat, "opt": uni.Opt}
var buffer bytes.Buffer
err = t.Execute(&buffer, context) // TODO: watch for errors in execution.
if err != nil {
return "", strip(err)
}
output_lines := strings.Split(buffer.String(), "\n")
output_lines = stripComments(output_lines)
return strings.Join(output_lines, "\n"), nil
}
func Terminal(uni *context.Uni) error {
if !scut.IsAdmin(uni.Dat["_user"]) {
return fmt.Errorf("Currently only admins can use this.")
}
uni.Dat["_points"] = []string{"admin/terminal"} // This is inconsequential with other parts of the system, probably there is a better place for this.
return nil
}
// We must recreate this map each time because map write is not threadsafe.
// Write will happen when a hook modifies the map (hook call is not implemented yet).
func builtins(uni *context.Uni) map[string]interface{} {
dat := uni.Dat
user := uni.Dat["_user"]
ret := map[string]interface{}{
"get": func(s ...string) interface{} {
return get(dat, s...)
},
"date": date,
"solved_puzzles": func() bool {
return scut.SolvedPuzzles(user)
},
"is_stranger": func() bool {
return scut.IsStranger(user)
},
"is_guest": func() bool {
return scut.IsGuest(user)
},
"is_registered": func() bool {
return scut.IsRegistered(user)
},
"is_moderator": func() bool {
return scut.IsModerator(user)
},
"is_admin": func() bool {
return scut.IsAdmin(user)
},
"is_map": isMap,
"eq": eq,
"show_puzzles": func(a, b string) string {
return showPuzzles(uni, a, b)
},
"html": html,
"format_float": formatFloat,
"fallback": fallback,
"type_of": typeOf,
"same_kind": sameKind,
}
return ret
}