oauth: add twitter

api/oauth_twitter.go

@@ -0,0 +1,51 @@
+package main
+
+import (
+	"github.com/gomodule/oauth1/oauth"
+	"os"
+	"sync"
+)
+
+type twitterOauthState struct {
+	CommenterToken string
+	Cred           *oauth.Credentials
+}
+
+var twitterClient *oauth.Client
+var twitterCredMapLock sync.RWMutex
+var twitterCredMap map[string]twitterOauthState
+
+func twitterOauthConfigure() error {
+	twitterClient = nil
+	if os.Getenv("TWITTER_KEY") == "" && os.Getenv("TWITTER_SECRET") == "" {
+		return nil
+	}
+
+	if os.Getenv("TWITTER_KEY") == "" {
+		logger.Errorf("COMMENTO_TWITTER_KEY not configured, but COMMENTO_TWITTER_SECRET is set")
+		return errorOauthMisconfigured
+	}
+
+	if os.Getenv("TWITTER_SECRET") == "" {
+		logger.Errorf("COMMENTO_TWITTER_SECRET not configured, but COMMENTO_TWITTER_KEY is set")
+		return errorOauthMisconfigured
+	}
+
+	logger.Infof("loading twitter OAuth config")
+
+	twitterClient = &oauth.Client{
+		TemporaryCredentialRequestURI: "https://api.twitter.com/oauth/request_token",
+		ResourceOwnerAuthorizationURI: "https://api.twitter.com/oauth/authenticate",
+		TokenRequestURI:               "https://api.twitter.com/oauth/access_token",
+		Credentials: oauth.Credentials{
+			Token:  os.Getenv("TWITTER_KEY"),
+			Secret: os.Getenv("TWITTER_SECRET"),
+		},
+	}
+
+	configuredOauths = append(configuredOauths, "twitter")
+
+	twitterCredMap = make(map[string]twitterOauthState, 1e3)
+
+	return nil
+}