66 lines
1.5 KiB
Go
66 lines
1.5 KiB
Go
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package httpserver
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import (
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"log"
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"net/http"
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"path/filepath"
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"text/template"
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"git.netflux.io/rob/elon-eats-my-tweets/config"
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"github.com/labstack/echo/v4"
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"golang.org/x/oauth2"
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)
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type handler struct {
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oauth2Config *oauth2.Config
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}
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func newHandler(cfg config.Config) *handler {
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return &handler{
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&oauth2.Config{
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ClientID: cfg.Twitter.ClientID,
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ClientSecret: cfg.Twitter.ClientSecret,
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RedirectURL: cfg.Twitter.CallbackURL,
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Scopes: []string{"tweet.read", "tweet.write", "users.read", "offline.access"},
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Endpoint: oauth2.Endpoint{
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AuthURL: "https://twitter.com/i/oauth2/authorize",
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TokenURL: "https://twitter.com/i/oauth2/token",
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},
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},
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}
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}
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func (h *handler) getIndex(c echo.Context) error {
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return c.Render(http.StatusOK, "index", nil)
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}
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func (h *handler) getLogin(c echo.Context) error {
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url := h.oauth2Config.AuthCodeURL(
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// TODO: implement state token
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"state",
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oauth2.SetAuthURLParam("code_challenge", "challenge"),
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oauth2.SetAuthURLParam("code_challenge_method", "plain"),
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)
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return c.Redirect(http.StatusTemporaryRedirect, url)
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}
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func (h *handler) getCallback(c echo.Context) error {
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log.Printf("got params = %+v", c.QueryParams())
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return c.String(http.StatusOK, "Received response")
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}
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func Start(cfg config.Config) error {
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e := echo.New()
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e.Renderer = &Template{
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templates: template.Must(template.ParseGlob(filepath.Join(cfg.PublicPath, "views/", "*.html"))),
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}
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h := newHandler(cfg)
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e.GET("/", h.getIndex)
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e.GET("/login", h.getLogin)
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e.GET("/callback", h.getCallback)
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return e.Start(":8000")
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}
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