forked from TrueCloudLab/lego
54 lines
1.6 KiB
Go
54 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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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/go-acme/lego/v3/challenge/http01"
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)
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// HTTPProvider implements ChallengeProvider for `http-01` challenge.
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type HTTPProvider struct {
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path string
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}
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// NewHTTPProvider returns a HTTPProvider instance with a configured webroot path.
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func NewHTTPProvider(path string) (*HTTPProvider, error) {
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if _, err := os.Stat(path); os.IsNotExist(err) {
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return nil, errors.New("webroot path does not exist")
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}
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return &HTTPProvider{path: path}, 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 *HTTPProvider) Present(domain, token, keyAuth string) error {
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var err error
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challengeFilePath := filepath.Join(w.path, http01.ChallengePath(token))
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err = os.MkdirAll(filepath.Dir(challengeFilePath), 0755)
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if err != nil {
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return fmt.Errorf("could not create required directories in webroot for HTTP challenge: %w", err)
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}
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err = ioutil.WriteFile(challengeFilePath, []byte(keyAuth), 0644)
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if err != nil {
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return fmt.Errorf("could not write file in webroot for HTTP challenge: %w", 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 *HTTPProvider) CleanUp(domain, token, keyAuth string) error {
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err := os.Remove(filepath.Join(w.path, http01.ChallengePath(token)))
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if err != nil {
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return fmt.Errorf("could not remove file in webroot after HTTP challenge: %w", err)
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}
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return nil
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}
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