mirror of
https://github.com/nezhahq/nezha.git
synced 2025-01-23 13:18:13 -05:00
103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
package controller
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"strings"
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"github.com/gin-gonic/gin"
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"github.com/google/go-github/github"
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GitHubAPI "github.com/google/go-github/github"
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"golang.org/x/oauth2"
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"github.com/naiba/nezha/model"
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"github.com/naiba/nezha/pkg/mygin"
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"github.com/naiba/nezha/pkg/utils"
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"github.com/naiba/nezha/service/dao"
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)
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type oauth2controller struct {
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oauth2Config *oauth2.Config
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r gin.IRoutes
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}
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func (oa *oauth2controller) serve() {
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oa.r.GET("/oauth2/login", oa.login)
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oa.r.GET("/oauth2/callback", oa.callback)
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}
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func (oa *oauth2controller) fillRedirectURL(c *gin.Context) {
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schame := "http://"
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if strings.HasPrefix(c.Request.Referer(), "https://") {
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schame = "https://"
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}
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oa.oauth2Config.RedirectURL = schame + c.Request.Host + "/oauth2/callback"
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}
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func (oa *oauth2controller) login(c *gin.Context) {
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oa.fillRedirectURL(c)
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state := utils.RandStringBytesMaskImprSrcUnsafe(6)
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dao.Cache.Set(fmt.Sprintf("%s%s", model.CacheKeyOauth2State, c.ClientIP()), state, 0)
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url := oa.oauth2Config.AuthCodeURL(state, oauth2.AccessTypeOnline)
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c.Redirect(http.StatusFound, url)
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}
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func (oa *oauth2controller) callback(c *gin.Context) {
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oa.fillRedirectURL(c)
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var err error
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// 验证登录跳转时的 State
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state, ok := dao.Cache.Get(fmt.Sprintf("%s%s", model.CacheKeyOauth2State, c.ClientIP()))
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if !ok || state.(string) != c.Query("state") {
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err = errors.New("非法的登录方式")
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}
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ctx := context.Background()
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var otk *oauth2.Token
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if err == nil {
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otk, err = oa.oauth2Config.Exchange(ctx, c.Query("code"))
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}
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var client *GitHubAPI.Client
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if err == nil {
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oc := oa.oauth2Config.Client(ctx, otk)
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if dao.Conf.Oauth2.Type == "gitee" {
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client, err = GitHubAPI.NewEnterpriseClient("https://gitee.com/api/v5/", "https://gitee.com/api/v5/", oc)
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} else {
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client = GitHubAPI.NewClient(oc)
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}
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}
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var gu *github.User
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if err == nil {
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gu, _, err = client.Users.Get(ctx, "")
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}
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if err != nil {
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mygin.ShowErrorPage(c, mygin.ErrInfo{
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Code: http.StatusBadRequest,
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Title: "登录失败",
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Msg: fmt.Sprintf("错误信息：%s", err),
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}, true)
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return
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}
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var isAdmin bool
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for _, admin := range strings.Split(dao.Conf.Oauth2.Admin, ",") {
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if admin != "" && gu.GetLogin() == admin {
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isAdmin = true
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break
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}
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}
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if !isAdmin {
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mygin.ShowErrorPage(c, mygin.ErrInfo{
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Code: http.StatusBadRequest,
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Title: "登录失败",
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Msg: fmt.Sprintf("错误信息：%s", "该用户不是本站点管理员，无法登录"),
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}, true)
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return
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}
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user := model.NewUserFromGitHub(gu)
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user.IssueNewToken()
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dao.DB.Save(&user)
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c.SetCookie(dao.Conf.Site.CookieName, user.Token, 60*60*24, "", "", false, false)
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c.Status(http.StatusOK)
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c.Writer.WriteString("<script>window.location.href='/'</script>")
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}
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