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f2e7d5477f
The io/ioutil package has been deprecated as of Go 1.16, see https://golang.org/doc/go1.16#ioutil. This commit replaces the existing io/ioutil functions with their new definitions in io and os packages. Signed-off-by: Eng Zer Jun <engzerjun@gmail.com> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
92 lines
2.6 KiB
Go
92 lines
2.6 KiB
Go
// Copyright 2018 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package recaptcha
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import (
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"context"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strings"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/setting"
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"code.gitea.io/gitea/modules/util"
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)
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// Response is the structure of JSON returned from API
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type Response struct {
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Success bool `json:"success"`
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ChallengeTS string `json:"challenge_ts"`
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Hostname string `json:"hostname"`
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ErrorCodes []ErrorCode `json:"error-codes"`
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}
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const apiURL = "api/siteverify"
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// Verify calls Google Recaptcha API to verify token
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func Verify(ctx context.Context, response string) (bool, error) {
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post := url.Values{
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"secret": {setting.Service.RecaptchaSecret},
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"response": {response},
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}
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// Basically a copy of http.PostForm, but with a context
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req, err := http.NewRequestWithContext(ctx, http.MethodPost,
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util.URLJoin(setting.Service.RecaptchaURL, apiURL), strings.NewReader(post.Encode()))
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if err != nil {
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return false, fmt.Errorf("Failed to create CAPTCHA request: %v", err)
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}
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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resp, err := http.DefaultClient.Do(req)
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if err != nil {
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return false, fmt.Errorf("Failed to send CAPTCHA response: %s", err)
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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return false, fmt.Errorf("Failed to read CAPTCHA response: %s", err)
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}
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var jsonResponse Response
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err = json.Unmarshal(body, &jsonResponse)
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if err != nil {
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return false, fmt.Errorf("Failed to parse CAPTCHA response: %s", err)
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}
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var respErr error
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if len(jsonResponse.ErrorCodes) > 0 {
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respErr = jsonResponse.ErrorCodes[0]
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}
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return jsonResponse.Success, respErr
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}
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// ErrorCode is a reCaptcha error
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type ErrorCode string
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// String fulfills the Stringer interface
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func (e ErrorCode) String() string {
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switch e {
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case "missing-input-secret":
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return "The secret parameter is missing."
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case "invalid-input-secret":
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return "The secret parameter is invalid or malformed."
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case "missing-input-response":
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return "The response parameter is missing."
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case "invalid-input-response":
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return "The response parameter is invalid or malformed."
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case "bad-request":
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return "The request is invalid or malformed."
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case "timeout-or-duplicate":
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return "The response is no longer valid: either is too old or has been used previously."
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}
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return string(e)
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}
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// Error fulfills the error interface
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func (e ErrorCode) Error() string {
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return e.String()
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}
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