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stsclient.go
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stsclient.go
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package stsclient
import (
"net/http"
"crypto/tls"
"crypto/x509"
"crypto/rsa"
"encoding/pem"
"io/ioutil"
// "fmt"
dsig "github.com/russellhaering/goxmldsig"
)
const DEFAULT_CLAIMDIALECT = "http://schemas.xmlsoap.org/ws/2005/05/identity"
type StsClient struct {
clientKeyPair *tls.Certificate
PublicKey *rsa.PublicKey
stsRequestFactory *StsRequestFactory
client *http.Client
}
func NewStsClientKombit(trust *x509.Certificate, certFile string, certKey string, issueUrl string) (*StsClient, error) {
keyPair, err := tls.LoadX509KeyPair(certFile, certKey)
if (err != nil) {
return nil, err
}
certFileContent, err := ioutil.ReadFile(certFile)
if (err != nil) {
return nil, err
}
certBlock, _ := pem.Decode([]byte(certFileContent))
cert, err := x509.ParseCertificate(certBlock.Bytes)
if (err != nil) {
return nil, err
}
rsaPublicKey := cert.PublicKey.(*rsa.PublicKey)
// Setup HTTPS client
caCertPool := x509.NewCertPool()
caCertPool.AddCert(trust)
tlsConfig := &tls.Config{
Certificates: []tls.Certificate{ keyPair },
RootCAs: caCertPool,
}
transport := &http.Transport{TLSClientConfig: tlsConfig}
client := &http.Client{Transport: transport}
return NewStsClientWithHttpClientForKombit(client, &keyPair, rsaPublicKey, issueUrl)
}
func NewStsClient(trust *x509.Certificate, certFile string, certKey string, issueUrl string) (*StsClient, error) {
keyPair, err := tls.LoadX509KeyPair(certFile, certKey)
if (err != nil) {
return nil, err
}
certFileContent, err := ioutil.ReadFile(certFile)
if (err != nil) {
return nil, err
}
certBlock, _ := pem.Decode([]byte(certFileContent))
cert, err := x509.ParseCertificate(certBlock.Bytes)
if (err != nil) {
return nil, err
}
rsaPublicKey := cert.PublicKey.(*rsa.PublicKey)
// Setup HTTPS client
caCertPool := x509.NewCertPool()
caCertPool.AddCert(trust)
tlsConfig := &tls.Config{
Certificates: []tls.Certificate{ keyPair },
RootCAs: caCertPool,
}
transport := &http.Transport{TLSClientConfig: tlsConfig}
client := &http.Client{Transport: transport}
return NewStsClientWithHttpClient(client, &keyPair, rsaPublicKey, issueUrl)
}
func NewStsClientWithHttpClientForKombit(httpClient *http.Client, keyPair *tls.Certificate, publicKey *rsa.PublicKey, issueUrl string) (*StsClient, error) {
keyStore := dsig.TLSCertKeyStore(*keyPair)
stsRequestFactory, err := NewStsRequestFactoryForKombit(keyStore, publicKey, issueUrl)
if (err != nil) {
return nil, err
}
stsClient := StsClient{ clientKeyPair: keyPair, stsRequestFactory: stsRequestFactory, client: httpClient, PublicKey: publicKey }
return &stsClient, nil
}
func NewStsClientWithHttpClient(httpClient *http.Client, keyPair *tls.Certificate, publicKey *rsa.PublicKey, issueUrl string) (*StsClient, error) {
keyStore := dsig.TLSCertKeyStore(*keyPair)
stsRequestFactory, err := NewStsRequestFactory(keyStore, publicKey, issueUrl)
if (err != nil) {
return nil, err
}
stsClient := StsClient{ clientKeyPair: keyPair, stsRequestFactory: stsRequestFactory, client: httpClient, PublicKey: publicKey }
return &stsClient, nil
}
func (s StsClient) GetToken(appliesTo string, claims map[string]string) (*StsResponse, error) {
// Create the SOAP request
issueRequest, err := s.stsRequestFactory.CreateStsIssueRequest(appliesTo, claims)
if (err != nil) {
return nil, err
}
return s.request(issueRequest)
}
func (s StsClient) OnBehalfOf(appliesTo string, onBehalfOf []byte, claims map[string]string) (*StsResponse, error) {
// Create the SOAP request
issueRequest, err := s.stsRequestFactory.CreateOnBehalfOf(appliesTo, onBehalfOf, claims)
if (err != nil) {
return nil, err
}
return s.request(issueRequest)
}
func (s StsClient) ActAs(appliesTo string, actAs []byte, claims map[string]string) (*StsResponse, error) {
// Create the SOAP request
issueRequest, err := s.stsRequestFactory.CreateActAs(appliesTo, actAs, claims)
if (err != nil) {
return nil, err
}
return s.request(issueRequest)
}
func (s StsClient) request(issueRequest *http.Request) (*StsResponse, error) {
issueResp, err := s.client.Do(issueRequest)
if (err != nil) {
return nil, err
}
// responseBody, _ := ioutil.ReadAll(issueResp.Body)
// return nil, fmt.Errorf(fmt.Sprintf("%s", string(responseBody)))
stsResponse, err := ParseStsResponse(issueResp)
return stsResponse, err
}