Vasiliy Tolstov
8100d26430
* api/router/registry: use logger Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org> * api/server/acme: use logger Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
68 lines
1.7 KiB
Go
68 lines
1.7 KiB
Go
// Package certmagic is the ACME provider from github.com/mholt/certmagic
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package certmagic
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import (
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"crypto/tls"
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"math/rand"
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"net"
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"time"
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"github.com/mholt/certmagic"
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"github.com/micro/go-micro/v2/api/server/acme"
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"github.com/micro/go-micro/v2/logger"
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)
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type certmagicProvider struct {
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opts acme.Options
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}
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// TODO: set self-contained options
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func (c *certmagicProvider) setup() {
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certmagic.Default.CA = c.opts.CA
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if c.opts.ChallengeProvider != nil {
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// Enabling DNS Challenge disables the other challenges
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certmagic.Default.DNSProvider = c.opts.ChallengeProvider
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}
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if c.opts.OnDemand {
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certmagic.Default.OnDemand = new(certmagic.OnDemandConfig)
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}
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if c.opts.Cache != nil {
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// already validated by new()
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certmagic.Default.Storage = c.opts.Cache.(certmagic.Storage)
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}
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// If multiple instances of the provider are running, inject some
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// randomness so they don't collide
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rand.Seed(time.Now().UnixNano())
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randomDuration := (7 * 24 * time.Hour) + (time.Duration(rand.Intn(504)) * time.Hour)
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certmagic.Default.RenewDurationBefore = randomDuration
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}
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func (c *certmagicProvider) Listen(hosts ...string) (net.Listener, error) {
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c.setup()
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return certmagic.Listen(hosts)
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}
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func (c *certmagicProvider) TLSConfig(hosts ...string) (*tls.Config, error) {
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c.setup()
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return certmagic.TLS(hosts)
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}
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// NewProvider returns a certmagic provider
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func NewProvider(options ...acme.Option) acme.Provider {
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opts := acme.DefaultOptions()
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for _, o := range options {
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o(&opts)
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}
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if opts.Cache != nil {
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if _, ok := opts.Cache.(certmagic.Storage); !ok {
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logger.Fatal("ACME: cache provided doesn't implement certmagic's Storage interface")
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}
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}
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return &certmagicProvider{
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opts: opts,
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}
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}
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