2018-02-16 06:54:34 +00:00
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// +build !windows
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2018-02-15 18:57:43 +00:00
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package lfsapi
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import (
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"encoding/base64"
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"fmt"
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"net/http"
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"github.com/ThomsonReutersEikon/go-ntlm/ntlm"
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)
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2018-02-16 06:54:34 +00:00
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func (c *Client) ntlmAuthenticateRequest(req *http.Request, creds *ntmlCredentials) (*http.Response, error) {
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2018-02-15 18:57:43 +00:00
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negotiate, err := base64.StdEncoding.DecodeString(ntlmNegotiateMessage)
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if err != nil {
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return nil, err
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}
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chRes, challengeMsg, err := c.ntlmSendType1Message(req, negotiate)
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if err != nil {
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return chRes, err
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}
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challenge, err := ntlm.ParseChallengeMessage(challengeMsg)
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if err != nil {
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return nil, err
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}
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session, err := c.ntlmClientSession(creds)
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if err != nil {
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return nil, err
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}
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session.ProcessChallengeMessage(challenge)
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authenticate, err := session.GenerateAuthenticateMessage()
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if err != nil {
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return nil, err
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}
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return c.ntlmSendType3Message(req, authenticate.Bytes())
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}
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2018-02-16 06:54:34 +00:00
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func (c *Client) ntlmClientSession(creds *ntmlCredentials) (ntlm.ClientSession, error) {
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2018-02-15 18:57:43 +00:00
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c.ntlmMu.Lock()
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defer c.ntlmMu.Unlock()
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2018-02-16 06:54:34 +00:00
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if creds == nil {
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return nil, fmt.Errorf("Your user name must be of the form DOMAIN\\user. Single-sign-on is not supported.")
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2018-02-15 18:57:43 +00:00
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}
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if c.ntlmSessions == nil {
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c.ntlmSessions = make(map[string]ntlm.ClientSession)
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}
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2018-02-16 06:54:34 +00:00
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if ses, ok := c.ntlmSessions[creds.domain]; ok {
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2018-02-15 18:57:43 +00:00
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return ses, nil
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}
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session, err := ntlm.CreateClientSession(ntlm.Version2, ntlm.ConnectionOrientedMode)
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if err != nil {
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return nil, err
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}
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2018-02-16 06:54:34 +00:00
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session.SetUserInfo(creds.username, creds.password, creds.domain)
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c.ntlmSessions[creds.domain] = session
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2018-02-15 18:57:43 +00:00
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return session, nil
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}
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const ntlmNegotiateMessage = "TlRMTVNTUAABAAAAB7IIogwADAAzAAAACwALACgAAAAKAAAoAAAAD1dJTExISS1NQUlOTk9SVEhBTUVSSUNB"
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