/
normalisedURLPath.go
99 lines (84 loc) · 2.64 KB
/
normalisedURLPath.go
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/* Copyright (c) 2021, VRAI Labs and/or its affiliates. All rights reserved.
*
* This software is licensed under the Apache License, Version 2.0 (the
* "License") as published by the Apache Software Foundation.
*
* You may not use this file except in compliance with the License. You may
* obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*/
package supertokens
import (
"net/url"
"strings"
)
type NormalisedURLPath struct {
value string
}
func NewNormalisedURLPath(url string) (NormalisedURLPath, error) {
val, err := normaliseURLPathOrThrowError(url)
if err != nil {
return NormalisedURLPath{}, err
}
return NormalisedURLPath{
value: val,
}, nil
}
func (n NormalisedURLPath) GetAsStringDangerous() string {
return n.value
}
func (n NormalisedURLPath) StartsWith(other NormalisedURLPath) bool {
return strings.HasPrefix(n.value, other.value)
}
func (n NormalisedURLPath) AppendPath(other NormalisedURLPath) NormalisedURLPath {
return NormalisedURLPath{value: n.value + other.value}
}
func (n NormalisedURLPath) Equals(other NormalisedURLPath) bool {
return n.value == other.value
}
func (n NormalisedURLPath) IsARecipePath() bool {
return n.value == "/recipe" || strings.HasPrefix(n.value, "/recipe/")
}
func normaliseURLPathOrThrowError(input string) (string, error) {
input = strings.ToLower(strings.TrimSpace(input))
if !strings.HasPrefix(input, "http://") && !strings.HasPrefix(input, "https://") {
if (domainGiven(input) || strings.HasPrefix(input, "localhost")) &&
!strings.HasPrefix(input, "http://") && !strings.HasPrefix(input, "https://") {
input = "http://" + input
return normaliseURLPathOrThrowError(input)
}
if !strings.HasPrefix(input, "/") {
input = "/" + input
}
return normaliseURLPathOrThrowError("http://example.com" + input)
}
urlObj, err := url.Parse(input)
if err != nil {
return "", err
}
input = urlObj.Path
input = strings.TrimSuffix(input, "/")
return input, nil
}
func domainGiven(input string) bool {
// If no dot, return false.
if !strings.Contains(input, ".") || strings.HasPrefix(input, "/") {
return false
}
urlObj, err := url.Parse(input)
if err != nil {
return true
}
if urlObj.Hostname() == "" {
urlObj, err = url.Parse("http://" + input)
if err != nil {
return false
}
}
return strings.Contains(urlObj.Hostname(), ".")
}