forked from TrueCloudLab/lego
58 lines
1.6 KiB
Go
58 lines
1.6 KiB
Go
// Package webroot implements a HTTP provider for solving the HTTP-01 challenge using web server's root path.
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package webroot
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path"
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"github.com/xenolf/lego/acme"
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)
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// HTTPProviderWebroot implements ChallengeProvider for `http-01` challenge
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type HTTPProviderWebroot struct {
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path string
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}
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// NewHTTPProviderWebroot returns a HTTPProviderWebroot instance with a configured webroot path
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func NewHTTPProviderWebroot(path string) (*HTTPProviderWebroot, error) {
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if _, err := os.Stat(path); os.IsNotExist(err) {
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return nil, fmt.Errorf("Webroot path does not exist")
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}
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c := &HTTPProviderWebroot{
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path: path,
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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 *HTTPProviderWebroot) Present(domain, token, keyAuth string) error {
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var err error
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challengeFilePath := path.Join(w.path, acme.HTTP01ChallengePath(token))
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err = os.MkdirAll(path.Dir(challengeFilePath), 0777)
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if err != nil {
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return fmt.Errorf("Could not create required directories in webroot for HTTP challenge -> %v", err)
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}
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err = ioutil.WriteFile(challengeFilePath, []byte(keyAuth), 0777)
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if err != nil {
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return fmt.Errorf("Could not write file in webroot for HTTP challenge -> %v", err)
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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 *HTTPProviderWebroot) CleanUp(domain, token, keyAuth string) error {
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var err error
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err = os.Remove(path.Join(w.path, acme.HTTP01ChallengePath(token)))
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if err != nil {
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return fmt.Errorf("Could not remove file in webroot after HTTP challenge -> %v", err)
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}
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return nil
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}
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