Refactor server code (#407)

internal/auth/oauth/github.go

@@ -0,0 +1,84 @@
+package oauth
+
+import (
+	gocontext "context"
+	"github.com/markbates/goth"
+	"github.com/markbates/goth/gothic"
+	"github.com/markbates/goth/providers/github"
+	"github.com/thomiceli/opengist/internal/config"
+	"github.com/thomiceli/opengist/internal/db"
+	"github.com/thomiceli/opengist/internal/web/context"
+	"net/http"
+)
+
+type GitHubProvider struct {
+	Provider
+	URL string
+}
+
+func (p *GitHubProvider) RegisterProvider() error {
+	goth.UseProviders(
+		github.New(
+			config.C.GithubClientKey,
+			config.C.GithubSecret,
+			urlJoin(p.URL, "/oauth/github/callback"),
+		),
+	)
+
+	return nil
+}
+
+func (p *GitHubProvider) BeginAuthHandler(ctx *context.Context) {
+	ctxValue := gocontext.WithValue(ctx.Request().Context(), gothic.ProviderParamKey, GitHubProviderString)
+	ctx.SetRequest(ctx.Request().WithContext(ctxValue))
+
+	gothic.BeginAuthHandler(ctx.Response(), ctx.Request())
+}
+
+func (p *GitHubProvider) UserHasProvider(user *db.User) bool {
+	return user.GithubID != ""
+}
+
+func NewGitHubProvider(url string) *GitHubProvider {
+	return &GitHubProvider{
+		URL: url,
+	}
+}
+
+type GitHubCallbackProvider struct {
+	CallbackProvider
+	User *goth.User
+}
+
+func (p *GitHubCallbackProvider) GetProvider() string {
+	return GitHubProviderString
+}
+
+func (p *GitHubCallbackProvider) GetProviderUser() *goth.User {
+	return p.User
+}
+
+func (p *GitHubCallbackProvider) GetProviderUserID(user *db.User) bool {
+	return user.GithubID != ""
+}
+
+func (p *GitHubCallbackProvider) GetProviderUserSSHKeys() ([]string, error) {
+	resp, err := http.Get("https://github.com/" + p.User.NickName + ".keys")
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+
+	return readKeys(resp)
+}
+
+func (p *GitHubCallbackProvider) UpdateUserDB(user *db.User) {
+	user.GithubID = p.User.UserID
+	user.AvatarURL = "https://avatars.githubusercontent.com/u/" + p.User.UserID + "?v=4"
+}
+
+func NewGitHubCallbackProvider(user *goth.User) CallbackProvider {
+	return &GitHubCallbackProvider{
+		User: user,
+	}
+}