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cmd/faucet: sunset Google+ authentication

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This commit is contained in:
Péter Szilágyi 2019-05-08 17:14:54 +03:00
parent 9454508b23
commit ab10c15578
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GPG Key ID: E9AE538CEDF8293D
1 changed files with 6 additions and 36 deletions
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42
cmd/faucet/faucet.go
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@ -445,10 +445,14 @@ func (f *faucet) apiHandler(conn *websocket.Conn) {
return
}
continue
case strings.HasPrefix(msg.URL, "https://plus.google.com/"):
if err = sendError(conn, errors.New("Google+ authentication discontinued as the service was sunset")); err != nil {
log.Warn("Failed to send Google+ deprecation to client", "err", err)
return
}
continue
case strings.HasPrefix(msg.URL, "https://twitter.com/"):
username, avatar, address, err = authTwitter(msg.URL)
case strings.HasPrefix(msg.URL, "https://plus.google.com/"):
username, avatar, address, err = authGooglePlus(msg.URL)
case strings.HasPrefix(msg.URL, "https://www.facebook.com/"):
username, avatar, address, err = authFacebook(msg.URL)
case *noauthFlag:
@ -704,40 +708,6 @@ func authTwitter(url string) (string, string, common.Address, error) {
return username + "@twitter", avatar, address, nil
}
// authGooglePlus tries to authenticate a faucet request using GooglePlus posts,
// returning the username, avatar URL and Ethereum address to fund on success.
func authGooglePlus(url string) (string, string, common.Address, error) {
// Ensure the user specified a meaningful URL, no fancy nonsense
parts := strings.Split(url, "/")
if len(parts) < 4 || parts[len(parts)-2] != "posts" {
return "", "", common.Address{}, errors.New("Invalid Google+ post URL")
}
username := parts[len(parts)-3]
// Google's API isn't really friendly with direct links. Still, we don't
// want to do ask read permissions from users, so just load the public posts and
// scrape it for the Ethereum address and profile URL.
res, err := http.Get(url)
if err != nil {
return "", "", common.Address{}, err
}
defer res.Body.Close()
body, err := ioutil.ReadAll(res.Body)
if err != nil {
return "", "", common.Address{}, err
}
address := common.HexToAddress(string(regexp.MustCompile("0x[0-9a-fA-F]{40}").Find(body)))
if address == (common.Address{}) {
return "", "", common.Address{}, errors.New("No Ethereum address found to fund")
}
var avatar string
if parts = regexp.MustCompile("src=\"([^\"]+googleusercontent.com[^\"]+photo.jpg)\"").FindStringSubmatch(string(body)); len(parts) == 2 {
avatar = parts[1]
}
return username + "@google+", avatar, address, nil
}
// authFacebook tries to authenticate a faucet request using Facebook posts,
// returning the username, avatar URL and Ethereum address to fund on success.
func authFacebook(url string) (string, string, common.Address, error) {