package main

import (
    "errors"
    "regexp"
    "time"
)

// TODO a bit messy

var DefaultCertbotRenewalGap time.Duration = 24*time.Hour
var ErrExhaustedRequestChannel = errors.New("ErrExhaustedRequestChannel")
var ErrNoLoginAttempted = errors.New("imperium/ssh: no login attempted")
var ErrOpenSSHKeyFormat = errors.New("OpenSSH key format: invalid")
var ErrOpenSSHKeyFormatCommentWithoutUsername = errors.New("OpenSSH key format: comment without '~username'")
var ErrOpenSSHKeyFormatOptionsNotAllowed = errors.New("OpenSSH key format: options not allowed")
var ErrOpenSSHKeyFormatSuperfluousBytes = errors.New("OpenSSH key format: superfluous bytes")
var ErrPrivateRepository = errors.New("private repository")
var ErrServerClosed = errors.New("imperium/ssh: server closed")
var ErrUnauthorized = errors.New("ErrUnauthorized")
var ErrWIP = errors.New("imperium/ssh: WIP")

var DefaultAuthtokenValidity time.Duration = time.Hour
var GIT_MAXIMUM_TRANSFER_TIME = time.Hour

var reRepo *regexp.Regexp = regexp.MustCompile(`^([0-9a-z_.-]+)\.git$`)
var reOwnedRepo *regexp.Regexp = regexp.MustCompile(`^~([0-9a-z_.-]+)/([0-9a-z_.-])\.git$`)
var reHomeDirectory *regexp.Regexp = regexp.MustCompile(`^~([0-9a-z_.-]+)$`)

var GruauAccountAccessFileName string = "access.cnf"
var GruauAuthtokenHeader string = "X-Gruau-Auth"

var ErrUnknownUsername = errors.New("unkown username (SSH usernames are used as service selectors)")