Golang Context.Params方法代码示例

// Get /api/orgs/name/:name
func GetOrgByName(c *middleware.Context) Response {
	query := m.GetOrgByNameQuery{Name: c.Params(":name")}
	if err := bus.Dispatch(&query); err != nil {
		if err == m.ErrOrgNotFound {
			return ApiError(404, "Organization not found", err)
		}

		return ApiError(500, "Failed to get organization", err)
	}
	org := query.Result
	result := m.OrgDetailsDTO{
		Id:   org.Id,
		Name: org.Name,
		Address: m.Address{
			Address1: org.Address1,
			Address2: org.Address2,
			City:     org.City,
			ZipCode:  org.ZipCode,
			State:    org.State,
			Country:  org.Country,
		},
	}

	return Json(200, &result)
}

func GraphiteProxy(c *middleware.Context) {
	proxyPath := c.Params("*")
	target, _ := url.Parse(setting.GraphiteUrl)

	// check if this is a special raintank_db requests
	if proxyPath == "metrics/find" {
		query := c.Query("query")
		if strings.HasPrefix(query, "raintank_db") {
			response, err := executeRaintankDbQuery(query, c.OrgId)
			if err != nil {
				c.JsonApiErr(500, "Failed to execute raintank_db query", err)
				return
			}
			c.JSON(200, response)
			return
		}
	}

	director := func(req *http.Request) {
		req.URL.Scheme = target.Scheme
		req.URL.Host = target.Host
		req.Header.Add("X-Org-Id", strconv.FormatInt(c.OrgId, 10))
		req.URL.Path = util.JoinUrlFragments(target.Path, proxyPath)
	}

	proxy := &httputil.ReverseProxy{Director: director}

	proxy.ServeHTTP(c.RW(), c.Req.Request)
}

func GetSubProcessByName(c *middleware.Context) Response {
	logger := log.New("main")
	logger.Info("Get Sub Process1 %s")
	processName := c.Params(":processName")
	logger.Info("Get Sub Process 2 %s", processName)
	return getSubProcessProfile(processName)
}

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

	return ApiSuccess("Invite revoked")
}

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, "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 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 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
		}
	}

	keystoneAuth, _ := ds.JsonData["keystoneAuth"].(bool)
	if keystoneAuth {
		token, err := keystone.GetToken(c)
		if err != nil {
			c.JsonApiErr(500, "Failed to get keystone token", err)
		}
		c.Req.Request.Header["X-Auth-Token"] = []string{token}
	}

	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.Resp, c.Req.Request)
		c.Resp.Header().Del("Set-Cookie")
	}
}

//ProxyDataSourceRequest TODO need to cache datasources
func ProxyDataSourceRequest(c *middleware.Context) {
	id := c.ParamsInt64(":id")
	query := m.GetDataSourceByIdQuery{Id: id, OrgId: c.OrgId}

	if err := bus.Dispatch(&query); err != nil {
		c.JsonApiErr(500, "Unable to load datasource meta data", err)
		return
	}

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

func ProxyGnetRequest(c *middleware.Context) {
	proxyPath := c.Params("*")
	proxy := ReverseProxyGnetReq(proxyPath)
	proxy.Transport = gNetProxyTransport
	proxy.ServeHTTP(c.Resp, c.Req.Request)
	c.Resp.Header().Del("Set-Cookie")
}

func GetPluginSettingById(c *middleware.Context) Response {
	pluginId := c.Params(":pluginId")

	if def, exists := plugins.Plugins[pluginId]; !exists {
		return ApiError(404, "Plugin not found, no installed plugin with that id", nil)
	} else {

		dto := &dtos.PluginSetting{
			Type:          def.Type,
			Id:            def.Id,
			Name:          def.Name,
			Info:          &def.Info,
			Dependencies:  &def.Dependencies,
			Includes:      def.Includes,
			BaseUrl:       def.BaseUrl,
			Module:        def.Module,
			DefaultNavUrl: def.DefaultNavUrl,
			LatestVersion: def.GrafanaNetVersion,
			HasUpdate:     def.GrafanaNetHasUpdate,
		}

		query := m.GetPluginSettingByIdQuery{PluginId: pluginId, OrgId: c.OrgId}
		if err := bus.Dispatch(&query); err != nil {
			if err != m.ErrPluginSettingNotFound {
				return ApiError(500, "Failed to get login settings", nil)
			}
		} else {
			dto.Enabled = query.Result.Enabled
			dto.Pinned = query.Result.Pinned
			dto.JsonData = query.Result.JsonData
		}

		return Json(200, dto)
	}
}

func ProxyDataSourceRequest(c *middleware.Context) {
	c.TimeRequest(metrics.M_DataSource_ProxyReq_Timer)

	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.Resp, c.Req.Request)
		c.Resp.Header().Del("Set-Cookie")
	}
}

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 ProxyDataSourceRequest(c *middleware.Context) {
	c.TimeRequest(metrics.M_DataSource_ProxyReq_Timer)

	ds, err := getDatasource(c.ParamsInt64(":id"), c.OrgId)

	if err != nil {
		c.JsonApiErr(500, "Unable to load datasource meta data", err)
		return
	}

	if ds.Type == m.DS_CLOUDWATCH {
		cloudwatch.HandleRequest(c, ds)
		return
	}

	if ds.Type == m.DS_INFLUXDB {
		if c.Query("db") != ds.Database {
			c.JsonApiErr(403, "Datasource is not configured to allow this database", nil)
			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
		}
	}

	proxyPath := c.Params("*")

	if ds.Type == m.DS_ES {
		if c.Req.Request.Method == "DELETE" {
			c.JsonApiErr(403, "Deletes not allowed on proxied Elasticsearch datasource", nil)
			return
		}
		if c.Req.Request.Method == "PUT" {
			c.JsonApiErr(403, "Puts not allowed on proxied Elasticsearch datasource", nil)
			return
		}
		if c.Req.Request.Method == "POST" && proxyPath != "_msearch" {
			c.JsonApiErr(403, "Posts not allowed on proxied Elasticsearch datasource except on /_msearch", nil)
			return
		}
	}

	proxy := NewReverseProxy(ds, proxyPath, targetUrl)
	proxy.Transport, err = ds.GetHttpTransport()
	if err != nil {
		c.JsonApiErr(400, "Unable to load TLS certificate", err)
		return
	}

	logProxyRequest(ds.Type, c)
	proxy.ServeHTTP(c.Resp, c.Req.Request)
	c.Resp.Header().Del("Set-Cookie")
}

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 RevokeInvite(c *middleware.Context) Response {
	cmd := m.UpdateTempUserStatusCommand{
		Code:   c.Params(":code"),
		Status: m.TmpUserRevoked,
	}

	if err := bus.Dispatch(&cmd); err != nil {
		return ApiError(500, "Failed to update invite status", err)
	}

	return ApiSuccess("Invite revoked")
}