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improve config validation

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This commit is contained in:
Philipp Mieden 2021-01-20 16:54:00 +01:00
parent f8617e41f6
commit b441d911f8
1 changed files with 21 additions and 5 deletions
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26
config.go
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@ -18,11 +18,15 @@ import (
var (
c *Config
errNoDirectoryURL = errors.New("simplecert: no directory url specified")
errNoMail = errors.New("simplecert: no SSLEmail in config")
errNoDomains = errors.New("simplecert: no domains specified")
errNoChallenge = errors.New("simplecert: no challenge method specified")
errNoCacheDir = errors.New("simplecert: no cache directory specified")
errNoDirectoryURL = errors.New("simplecert: no directory url specified in config")
errNoMail = errors.New("simplecert: no SSLEmail in config in config")
errNoDomains = errors.New("simplecert: no domains specified in config")
errNoChallenge = errors.New("simplecert: no challenge method specified in config")
errNoCacheDir = errors.New("simplecert: no cache directory specified in config")
errNoRenewBefore = errors.New("simplecert: no renew before value set in config")
errNoCheckInterval = errors.New("simplecert: no check interval set in config")
errNoCacheDirPerm = errors.New("simplecert: no cache directory permission specified in config")
)
// Default contains a default configuration
@ -116,6 +120,18 @@ func CheckConfig(c *Config) error {
return errNoChallenge
}
if c.RenewBefore == 0 {
return errNoCacheDir
}
if c.CheckInterval == 0 {
return errNoCheckInterval
}
if c.CacheDirPerm == 0 {
return errNoCacheDirPerm
}
if c.WillRenewCertificate == nil && (c.HTTPAddress != "" || c.TLSAddress != "") {
log.Println("[WARNING] no WillRenewCertificate handler specified, to handle graceful server shutdown!")
}