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Diffstat (limited to 'cmd/cashier/client/client.go')
-rw-r--r--cmd/cashier/client/client.go113
1 files changed, 0 insertions, 113 deletions
diff --git a/cmd/cashier/client/client.go b/cmd/cashier/client/client.go
deleted file mode 100644
index ba5b900..0000000
--- a/cmd/cashier/client/client.go
+++ /dev/null
@@ -1,113 +0,0 @@
-package client
-
-import (
- "bytes"
- "crypto/tls"
- "encoding/json"
- "fmt"
- "io/ioutil"
- "net/http"
- "net/url"
- "path"
- "time"
-
- "github.com/nsheridan/cashier/lib"
- "golang.org/x/crypto/ssh"
- "golang.org/x/crypto/ssh/agent"
-)
-
-// InstallCert adds the private key and signed certificate to the ssh agent.
-func InstallCert(a agent.Agent, cert *ssh.Certificate, key Key) error {
- t := time.Unix(int64(cert.ValidBefore), 0)
- lifetime := t.Sub(time.Now()).Seconds()
- comment := fmt.Sprintf("%s [Expires %s]", cert.KeyId, t)
- pubcert := agent.AddedKey{
- PrivateKey: key,
- Certificate: cert,
- Comment: comment,
- LifetimeSecs: uint32(lifetime),
- }
- if err := a.Add(pubcert); err != nil {
- return fmt.Errorf("error importing certificate: %s", err)
- }
- privkey := agent.AddedKey{
- PrivateKey: key,
- Comment: comment,
- LifetimeSecs: uint32(lifetime),
- }
- if err := a.Add(privkey); err != nil {
- return fmt.Errorf("error importing key: %s", err)
- }
- return nil
-}
-
-// send the signing request to the CA.
-func send(s []byte, token, ca string, ValidateTLSCertificate bool) (*lib.SignResponse, error) {
- transport := &http.Transport{
- TLSClientConfig: &tls.Config{InsecureSkipVerify: !ValidateTLSCertificate},
- }
- client := &http.Client{Transport: transport}
- u, err := url.Parse(ca)
- if err != nil {
- return nil, err
- }
- u.Path = path.Join(u.Path, "/sign")
- req, err := http.NewRequest("POST", u.String(), bytes.NewReader(s))
- if err != nil {
- return nil, err
- }
- req.Header.Set("Content-Type", "application/json")
- req.Header.Add("Accept", "application/json")
- req.Header.Set("Authorization", fmt.Sprintf("Bearer %s", token))
- resp, err := client.Do(req)
- if err != nil {
- return nil, err
- }
- if resp.StatusCode != http.StatusOK {
- return nil, fmt.Errorf("Bad response from server: %s", resp.Status)
- }
- defer resp.Body.Close()
- body, err := ioutil.ReadAll(resp.Body)
- if err != nil {
- return nil, err
- }
- c := &lib.SignResponse{}
- if err := json.Unmarshal(body, c); err != nil {
- return nil, err
- }
- return c, nil
-}
-
-// Sign sends the public key to the CA to be signed.
-func Sign(pub ssh.PublicKey, token string, conf *Config) (*ssh.Certificate, error) {
- validity, err := time.ParseDuration(conf.Validity)
- if err != nil {
- return nil, err
- }
- marshaled := ssh.MarshalAuthorizedKey(pub)
- // Remove the trailing newline.
- marshaled = marshaled[:len(marshaled)-1]
- s, err := json.Marshal(&lib.SignRequest{
- Key: string(marshaled),
- ValidUntil: time.Now().Add(validity),
- })
- if err != nil {
- return nil, err
- }
- resp, err := send(s, token, conf.CA, conf.ValidateTLSCertificate)
- if err != nil {
- return nil, err
- }
- if resp.Status != "ok" {
- return nil, fmt.Errorf("error: %s", resp.Response)
- }
- k, _, _, _, err := ssh.ParseAuthorizedKey([]byte(resp.Response))
- if err != nil {
- return nil, err
- }
- cert, ok := k.(*ssh.Certificate)
- if !ok {
- return nil, fmt.Errorf("did not receive a certificate from server")
- }
- return cert, nil
-}