mirror of
https://github.com/yunionio/cloudpods.git
synced 2026-05-17 04:27:47 +08:00
139 lines
3.7 KiB
Go
139 lines
3.7 KiB
Go
// Copyright 2019 Yunion
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// 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 samlutils
|
|
|
|
import (
|
|
"bytes"
|
|
"compress/flate"
|
|
"crypto/rsa"
|
|
"encoding/base64"
|
|
"fmt"
|
|
"io"
|
|
"strings"
|
|
|
|
"github.com/ma314smith/signedxml"
|
|
|
|
"yunion.io/x/log"
|
|
"yunion.io/x/pkg/errors"
|
|
"yunion.io/x/pkg/utils"
|
|
)
|
|
|
|
func compressString(in string) string {
|
|
buf := new(bytes.Buffer)
|
|
compressor, _ := flate.NewWriter(buf, 9)
|
|
compressor.Write([]byte(in))
|
|
compressor.Close()
|
|
return buf.String()
|
|
}
|
|
|
|
func decompressString(in string) string {
|
|
buf := new(bytes.Buffer)
|
|
decompressor := flate.NewReader(strings.NewReader(in))
|
|
io.Copy(buf, decompressor)
|
|
decompressor.Close()
|
|
return buf.String()
|
|
}
|
|
|
|
func compress(in []byte) ([]byte, error) {
|
|
buf := new(bytes.Buffer)
|
|
compressor, _ := flate.NewWriter(buf, 9)
|
|
_, err := compressor.Write(in)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "compressor.Write")
|
|
}
|
|
compressor.Close()
|
|
return buf.Bytes(), nil
|
|
}
|
|
|
|
func decompress(in []byte) ([]byte, error) {
|
|
buf := new(bytes.Buffer)
|
|
decompressor := flate.NewReader(bytes.NewReader(in))
|
|
_, err := io.Copy(buf, decompressor)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "io.Copy")
|
|
}
|
|
decompressor.Close()
|
|
return buf.Bytes(), nil
|
|
}
|
|
|
|
func SAMLDecode(input string) ([]byte, error) {
|
|
reqBytes, err := base64.StdEncoding.DecodeString(input)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "base64.StdEncoding.DecodeString")
|
|
}
|
|
return func() []byte {
|
|
// Azure no need to decompress
|
|
plainText, err := decompress(reqBytes)
|
|
if err != nil {
|
|
log.Warningf("decompress %s error: %v", string(reqBytes), err)
|
|
return reqBytes
|
|
}
|
|
return plainText
|
|
}(), nil
|
|
}
|
|
|
|
func SAMLEncode(input []byte) (string, error) {
|
|
comp, err := compress(input)
|
|
if err != nil {
|
|
return "", errors.Wrap(err, "compress")
|
|
}
|
|
return base64.StdEncoding.EncodeToString(comp), nil
|
|
}
|
|
|
|
func SAMLForm(action string, attrs map[string]string) string {
|
|
form := strings.Builder{}
|
|
// form.WriteString(`<!DOCTYPE html><html lang="en-US"><body>`)
|
|
form.WriteString(`<form id="saml_submit_form" method="POST" action="`)
|
|
form.WriteString(action)
|
|
form.WriteString(`">`)
|
|
for k, v := range attrs {
|
|
form.WriteString(fmt.Sprintf("<input type=\"hidden\" name=\"%s\" value=\"%s\" />", k, v))
|
|
}
|
|
form.WriteString(`<input type="submit" value="Submit" />`)
|
|
form.WriteString("</form><script><!--\n")
|
|
form.WriteString("document.getElementById('saml_submit_form').submit();\n")
|
|
form.WriteString(`//--></script>`)
|
|
// form.WriteString(`</body></html>`)
|
|
return form.String()
|
|
}
|
|
|
|
func SignXML(xmlstr string, privateKey *rsa.PrivateKey) (string, error) {
|
|
signer, err := signedxml.NewSigner(string(xmlstr))
|
|
if err != nil {
|
|
return "", errors.Wrap(err, "signedxml.NewSigner")
|
|
}
|
|
signed, err := signer.Sign(privateKey)
|
|
if err != nil {
|
|
return "", errors.Wrap(err, "signer.Sign")
|
|
}
|
|
return signed, nil
|
|
}
|
|
|
|
func ValidateXML(signed string) ([]string, error) {
|
|
validator, err := signedxml.NewValidator(signed)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "signedxml.NewValidator")
|
|
}
|
|
validXMLs, err := validator.ValidateReferences()
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "validator.ValidateReferences")
|
|
}
|
|
return validXMLs, nil
|
|
}
|
|
|
|
func GenerateSAMLId() string {
|
|
return "_" + utils.GenRequestId(16)
|
|
}
|