istio.io/istio@v0.0.0-20240520182934-d79c90f27776/operator/pkg/util/common.go (about) 1 // Copyright Istio Authors 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package util 16 17 import ( 18 "fmt" 19 "net/url" 20 "strings" 21 22 "istio.io/istio/pkg/log" 23 ) 24 25 var scope = log.RegisterScope("util", "util") 26 27 // IsFilePath reports whether the given URL is a local file path. 28 func IsFilePath(path string) bool { 29 return strings.Contains(path, "/") || strings.Contains(path, ".") 30 } 31 32 // IsHTTPURL checks whether the given URL is a HTTP URL. 33 func IsHTTPURL(path string) (bool, error) { 34 u, err := url.Parse(path) 35 valid := err == nil && u.Host != "" && (u.Scheme == "http" || u.Scheme == "https") 36 if strings.HasPrefix(path, "http") && !valid { 37 return false, fmt.Errorf("%s starts with http but is not a valid URL: %s", path, err) 38 } 39 return valid, nil 40 }