Golang Context.Params方法代码示例

func GetDashboard(c *middleware.Context) {
	metrics.M_Api_Dashboard_Get.Inc(1)

	slug := strings.ToLower(c.Params(":slug"))

	query := m.GetDashboardQuery{Slug: slug, OrgId: c.OrgId}
	err := bus.Dispatch(&query)
	if err != nil {
		c.JsonApiErr(404, "Dashboard not found", nil)
		return
	}

	isStarred, err := isDasboardStarredByUser(c, query.Result.Id)
	if err != nil {
		c.JsonApiErr(500, "Error while checking if dashboard was starred by user", err)
		return
	}

	dash := query.Result
	dto := dtos.DashboardFullWithMeta{
		Dashboard: dash.Data,
		Meta: dtos.DashboardMeta{
			IsStarred: isStarred,
			Slug:      slug,
			Type:      m.DashTypeDB,
			CanStar:   c.IsSignedIn,
			CanSave:   c.OrgRole == m.ROLE_ADMIN || c.OrgRole == m.ROLE_EDITOR,
			CanEdit:   canEditDashboard(c.OrgRole),
		},
	}

	c.JSON(200, dto)
}

func GetDashboardSnapshot(c *middleware.Context) {

	key := c.Params(":key")
	query := &m.GetDashboardSnapshotQuery{Key: key}

	err := bus.Dispatch(query)
	if err != nil {
		c.JsonApiErr(500, "Failed to get dashboard snapshot", err)
		return
	}

	snapshot := query.Result

	// expired snapshots should also be removed from db
	if snapshot.Expires.Before(time.Now()) {
		c.JsonApiErr(404, "Dashboard snapshot not found", err)
		return
	}

	dto := dtos.DashboardFullWithMeta{
		Dashboard: snapshot.Dashboard,
		Meta: dtos.DashboardMeta{
			Type:       m.DashTypeSnapshot,
			IsSnapshot: true,
			Created:    snapshot.Created,
			Expires:    snapshot.Expires,
		},
	}

	metrics.M_Api_Dashboard_Snapshot_Get.Inc(1)

	c.Resp.Header().Set("Cache-Control", "public, max-age=3600")
	c.JSON(200, dto)
}

func RevokeInvite(c *middleware.Context) Response {
	if ok, rsp := updateTempUserStatus(c.Params(":code"), m.TmpUserRevoked); !ok {
		return rsp
	}

	return ApiSuccess("Invite revoked")
}

func RenderToPng(c *middleware.Context) {
	queryReader := util.NewUrlQueryReader(c.Req.URL)
	queryParams := fmt.Sprintf("?%s", c.Req.URL.RawQuery)
	sessionId := c.Session.ID()

	// Handle api calls authenticated without session
	if sessionId == "" && c.ApiKeyId != 0 {
		c.Session.Start(c)
		c.Session.Set(middleware.SESS_KEY_APIKEY, c.ApiKeyId)
		// release will make sure the new session is persisted before
		// we spin up phantomjs
		c.Session.Release()
		// cleanup session after render is complete
		defer func() { c.Session.Destory(c) }()
	}

	renderOpts := &renderer.RenderOpts{
		Url:       c.Params("*") + queryParams,
		Width:     queryReader.Get("width", "800"),
		Height:    queryReader.Get("height", "400"),
		SessionId: c.Session.ID(),
	}

	renderOpts.Url = setting.ToAbsUrl(renderOpts.Url)
	pngPath, err := renderer.RenderToPng(renderOpts)

	if err != nil {
		c.Handle(500, "Failed to render to png", err)
		return
	}

	c.Resp.Header().Set("Content-Type", "image/png")
	http.ServeFile(c.Resp, c.Req.Request, pngPath)
}

func DeleteDashboardSnapshot(c *middleware.Context) {
	key := c.Params(":key")
	cmd := &m.DeleteDashboardSnapshotCommand{DeleteKey: key}

	if err := bus.Dispatch(cmd); err != nil {
		c.JsonApiErr(500, "Failed to delete dashboard snapshot", err)
		return
	}

	c.JSON(200, util.DynMap{"message": "Snapshot deleted. It might take an hour before it's cleared from a CDN cache."})
}

func GetDashboardFromJsonFile(c *middleware.Context) {
	file := c.Params(":file")

	dashboard := search.GetDashboardFromJsonIndex(file)
	if dashboard == nil {
		c.JsonApiErr(404, "Dashboard not found", nil)
		return
	}

	dash := dtos.DashboardFullWithMeta{Dashboard: dashboard.Data}
	dash.Meta.Type = m.DashTypeJson
	dash.Meta.CanEdit = canEditDashboard(c.OrgRole)

	c.JSON(200, &dash)
}

func UpdateUserQuota(c *middleware.Context, cmd m.UpdateUserQuotaCmd) Response {
	if !setting.Quota.Enabled {
		return ApiError(404, "Quotas not enabled", nil)
	}
	cmd.UserId = c.ParamsInt64(":id")
	cmd.Target = c.Params(":target")

	if _, ok := setting.Quota.User.ToMap()[cmd.Target]; !ok {
		return ApiError(404, "Invalid quota target", nil)
	}

	if err := bus.Dispatch(&cmd); err != nil {
		return ApiError(500, "Failed to update org quotas", err)
	}
	return ApiSuccess("Organization quota updated")
}

func DeleteDashboard(c *middleware.Context) {
	slug := c.Params(":slug")

	query := m.GetDashboardQuery{Slug: slug, OrgId: c.OrgId}
	if err := bus.Dispatch(&query); err != nil {
		c.JsonApiErr(404, "Dashboard not found", nil)
		return
	}

	cmd := m.DeleteDashboardCommand{Slug: slug, OrgId: c.OrgId}
	if err := bus.Dispatch(&cmd); err != nil {
		c.JsonApiErr(500, "Failed to delete dashboard", err)
		return
	}

	var resp = map[string]interface{}{"title": query.Result.Title}

	c.JSON(200, resp)
}

func GetInviteInfoByCode(c *middleware.Context) Response {
	query := m.GetTempUserByCodeQuery{Code: c.Params(":code")}

	if err := bus.Dispatch(&query); err != nil {
		if err == m.ErrTempUserNotFound {
			return ApiError(404, "Invite not found", nil)
		}
		return ApiError(500, "Failed to get invite", err)
	}

	invite := query.Result

	return Json(200, dtos.InviteInfo{
		Email:     invite.Email,
		Name:      invite.Name,
		Username:  invite.Email,
		InvitedBy: util.StringsFallback3(invite.InvitedByName, invite.InvitedByLogin, invite.InvitedByEmail),
	})
}

func ProxyDataSourceRequest(c *middleware.Context) {
	ds, err := getDatasource(c.ParamsInt64(":id"), c.OrgId)
	if err != nil {
		c.JsonApiErr(500, "Unable to load datasource meta data", err)
		return
	}

	targetUrl, _ := url.Parse(ds.Url)
	if len(setting.DataProxyWhiteList) > 0 {
		if _, exists := setting.DataProxyWhiteList[targetUrl.Host]; !exists {
			c.JsonApiErr(403, "Data proxy hostname and ip are not included in whitelist", nil)
			return
		}
	}

	if ds.Type == m.DS_CLOUDWATCH {
		cloudwatch.HandleRequest(c, ds)
	} else {
		proxyPath := c.Params("*")
		proxy := NewReverseProxy(ds, proxyPath, targetUrl)
		proxy.Transport = dataProxyTransport
		proxy.ServeHTTP(c.RW(), c.Req.Request)
	}
}

func OAuthLogin(ctx *middleware.Context) {
	if setting.OAuthService == nil {
		ctx.Handle(404, "login.OAuthLogin(oauth service not enabled)", nil)
		return
	}

	name := ctx.Params(":name")
	connect, ok := social.SocialMap[name]
	if !ok {
		ctx.Handle(404, "login.OAuthLogin(social login not enabled)", errors.New(name))
		return
	}

	code := ctx.Query("code")
	if code == "" {
		ctx.Redirect(connect.AuthCodeURL("", oauth2.AccessTypeOnline))
		return
	}

	// handle call back
	token, err := connect.Exchange(oauth2.NoContext, code)
	if err != nil {
		ctx.Handle(500, "login.OAuthLogin(NewTransportWithCode)", err)
		return
	}

	log.Trace("login.OAuthLogin(Got token)")

	userInfo, err := connect.UserInfo(token)
	if err != nil {
		if err == social.ErrMissingTeamMembership {
			ctx.Redirect(setting.AppSubUrl + "/login?failedMsg=" + url.QueryEscape("Required Github team membership not fulfilled"))
		} else if err == social.ErrMissingOrganizationMembership {
			ctx.Redirect(setting.AppSubUrl + "/login?failedMsg=" + url.QueryEscape("Required Github organization membership not fulfilled"))
		} else {
			ctx.Handle(500, fmt.Sprintf("login.OAuthLogin(get info from %s)", name), err)
		}
		return
	}

	log.Trace("login.OAuthLogin(social login): %s", userInfo)

	// validate that the email is allowed to login to grafana
	if !connect.IsEmailAllowed(userInfo.Email) {
		log.Info("OAuth login attempt with unallowed email, %s", userInfo.Email)
		ctx.Redirect(setting.AppSubUrl + "/login?failedMsg=" + url.QueryEscape("Required email domain not fulfilled"))
		return
	}

	userQuery := m.GetUserByLoginQuery{LoginOrEmail: userInfo.Email}
	err = bus.Dispatch(&userQuery)

	// create account if missing
	if err == m.ErrUserNotFound {
		if !connect.IsSignupAllowed() {
			ctx.Redirect(setting.AppSubUrl + "/login")
			return
		}
		limitReached, err := middleware.QuotaReached(ctx, "user")
		if err != nil {
			ctx.Handle(500, "Failed to get user quota", err)
			return
		}
		if limitReached {
			ctx.Redirect(setting.AppSubUrl + "/login")
			return
		}
		cmd := m.CreateUserCommand{
			Login:   userInfo.Email,
			Email:   userInfo.Email,
			Name:    userInfo.Name,
			Company: userInfo.Company,
		}

		if err = bus.Dispatch(&cmd); err != nil {
			ctx.Handle(500, "Failed to create account", err)
			return
		}

		userQuery.Result = &cmd.Result
	} else if err != nil {
		ctx.Handle(500, "Unexpected error", err)
	}

	// login
	loginUserWithUser(userQuery.Result, ctx)

	metrics.M_Api_Login_OAuth.Inc(1)

	ctx.Redirect(setting.AppSubUrl + "/")
}