forked from TrueCloudLab/lego
60 lines
1.5 KiB
Go
60 lines
1.5 KiB
Go
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// Package webroot implements a HTTP provider for solving the HTTP-01 challenge using web server's root path.
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package memcached
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import (
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"fmt"
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"path"
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"github.com/rainycape/memcache"
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"github.com/xenolf/lego/acme"
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)
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// HTTPProvider implements ChallengeProvider for `http-01` challenge
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type MemcachedProvider struct {
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hosts []string
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}
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// NewHTTPProvider returns a HTTPProvider instance with a configured webroot path
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func NewMemcachedProvider(hosts []string) (*MemcachedProvider, error) {
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if len(hosts) == 0 {
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return nil, fmt.Errorf("No memcached hosts provided")
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}
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c := &MemcachedProvider{
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hosts: hosts,
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}
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return c, nil
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}
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// Present makes the token available at `HTTP01ChallengePath(token)` by creating a file in the given webroot path
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func (w *MemcachedProvider) Present(domain, token, keyAuth string) error {
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var errs []error
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challengePath := path.Join("/", acme.HTTP01ChallengePath(token))
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for _, host := range w.hosts {
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mc, err := memcache.New(host)
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if err != nil {
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errs = append(errs, err)
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continue
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}
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mc.Add(&memcache.Item{
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Key: challengePath,
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Value: []byte(keyAuth),
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Expiration: 60,
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})
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}
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if len(errs) == len(w.hosts) {
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return fmt.Errorf("Unable to store key in any of the memcache hosts -> %v", errs)
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}
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return nil
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}
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// CleanUp removes the file created for the challenge
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func (w *MemcachedProvider) CleanUp(domain, token, keyAuth string) error {
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// Memcached will clean up itself, that's what expiration is for.
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return nil
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}
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