login-validator: talk to remote validator to register new users
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parent
60a6b70ccf
commit
6bcc445691
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@ -1,9 +1,11 @@
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package main
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import (
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"bytes"
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"crypto/hmac"
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"crypto/sha512"
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"crypto/tls"
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"encoding/base64"
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"encoding/json"
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"errors"
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"fmt"
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@ -15,6 +17,7 @@ import (
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"path"
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"strings"
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"text/template"
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"time"
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"gopkg.in/ldap.v2"
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)
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@ -152,6 +155,12 @@ func (l loginChecker) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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}
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}
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if err := l.registerUser(lu.Username, r.RemoteAddr); err != nil {
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log.Println("Error on remote registration:", err)
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http.Error(w, "Internal server error. Please retry in a few minutes", http.StatusInternalServerError)
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return
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}
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if err := l.lateLoginAction(lu.Username, r.RemoteAddr); err != nil {
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log.Println("Error on late login action:", err)
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http.Error(w, "Internal server error. Please retry in a few minutes", http.StatusInternalServerError)
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@ -162,6 +171,32 @@ func (l loginChecker) ServeHTTP(w http.ResponseWriter, r *http.Request) {
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http.Error(w, "Success", http.StatusOK)
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}
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func (l loginChecker) registerUser(username, remoteAddr string) error {
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bts, err := json.Marshal(map[string]interface{}{"login": username})
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if err != nil {
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return nil
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}
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req, err := http.NewRequest("POST", "https://adlin.nemunai.re/api/students/", bytes.NewReader(bts))
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if err != nil {
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return err
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}
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req.Header.Add("X-ADLIN-Authentication", base64.StdEncoding.EncodeToString(hmac.New(sha512.New, []byte(loginSalt)).Sum([]byte(fmt.Sprintf("%d", time.Now().Unix()/10)))))
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req.Header.Set("Content-Type", "application/json")
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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return err
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}
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if resp.StatusCode != http.StatusOK {
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return errors.New(resp.Status)
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} else {
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return nil
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}
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}
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func (l loginChecker) lateLoginAction(username, remoteAddr string) error {
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// Find corresponding MAC
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var fname string
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