From 250b3bb5795240d5ebdab5416ab99dbc41be734b Mon Sep 17 00:00:00 2001
From: Wim <wim@42.be>
Date: Sun, 1 Mar 2020 20:59:19 +0100
Subject: Use upstream slack-go/slack again (#1018)

---
 vendor/github.com/slack-go/slack/oauth.go | 64 +++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 vendor/github.com/slack-go/slack/oauth.go

(limited to 'vendor/github.com/slack-go/slack/oauth.go')

diff --git a/vendor/github.com/slack-go/slack/oauth.go b/vendor/github.com/slack-go/slack/oauth.go
new file mode 100644
index 00000000..29d6dce9
--- /dev/null
+++ b/vendor/github.com/slack-go/slack/oauth.go
@@ -0,0 +1,64 @@
+package slack
+
+import (
+	"context"
+	"net/url"
+)
+
+// OAuthResponseIncomingWebhook ...
+type OAuthResponseIncomingWebhook struct {
+	URL              string `json:"url"`
+	Channel          string `json:"channel"`
+	ChannelID        string `json:"channel_id,omitempty"`
+	ConfigurationURL string `json:"configuration_url"`
+}
+
+// OAuthResponseBot ...
+type OAuthResponseBot struct {
+	BotUserID      string `json:"bot_user_id"`
+	BotAccessToken string `json:"bot_access_token"`
+}
+
+// OAuthResponse ...
+type OAuthResponse struct {
+	AccessToken     string                       `json:"access_token"`
+	Scope           string                       `json:"scope"`
+	TeamName        string                       `json:"team_name"`
+	TeamID          string                       `json:"team_id"`
+	IncomingWebhook OAuthResponseIncomingWebhook `json:"incoming_webhook"`
+	Bot             OAuthResponseBot             `json:"bot"`
+	UserID          string                       `json:"user_id,omitempty"`
+	SlackResponse
+}
+
+// GetOAuthToken retrieves an AccessToken
+func GetOAuthToken(client httpClient, clientID, clientSecret, code, redirectURI string) (accessToken string, scope string, err error) {
+	return GetOAuthTokenContext(context.Background(), client, clientID, clientSecret, code, redirectURI)
+}
+
+// GetOAuthTokenContext retrieves an AccessToken with a custom context
+func GetOAuthTokenContext(ctx context.Context, client httpClient, clientID, clientSecret, code, redirectURI string) (accessToken string, scope string, err error) {
+	response, err := GetOAuthResponseContext(ctx, client, clientID, clientSecret, code, redirectURI)
+	if err != nil {
+		return "", "", err
+	}
+	return response.AccessToken, response.Scope, nil
+}
+
+func GetOAuthResponse(client httpClient, clientID, clientSecret, code, redirectURI string) (resp *OAuthResponse, err error) {
+	return GetOAuthResponseContext(context.Background(), client, clientID, clientSecret, code, redirectURI)
+}
+
+func GetOAuthResponseContext(ctx context.Context, client httpClient, clientID, clientSecret, code, redirectURI string) (resp *OAuthResponse, err error) {
+	values := url.Values{
+		"client_id":     {clientID},
+		"client_secret": {clientSecret},
+		"code":          {code},
+		"redirect_uri":  {redirectURI},
+	}
+	response := &OAuthResponse{}
+	if err = postForm(ctx, client, APIURL+"oauth.access", values, response, discard{}); err != nil {
+		return nil, err
+	}
+	return response, response.Err()
+}
-- 
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