token-handler: handle authorization through Epita CRI LDAP

token-validator/session.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+	"crypto/rand"
+	"time"
+)
+
+type Session struct {
+	Id        []byte    `json:"id"`
+	IdStudent int64     `json:"login"`
+	Time      time.Time `json:"time"`
+}
+
+func getSession(id []byte) (s Session, err error) {
+	err = DBQueryRow("SELECT id_session, id_student, time FROM student_sessions WHERE id_session=?", id).Scan(&s.Id, &s.IdStudent, &s.Time)
+	return
+}
+
+func (student Student) NewSession() (Session, error) {
+	session_id := make([]byte, 255)
+	if _, err := rand.Read(session_id); err != nil {
+		return Session{}, err
+	} else if _, err := DBExec("INSERT INTO student_sessions (id_session, id_student, time) VALUES (?, ?, ?)", session_id, student.Id, time.Now()); err != nil {
+		return Session{}, err
+	} else {
+		return Session{session_id, student.Id, time.Now()}, nil
+	}
+}
+
+func (s Session) Update() (int64, error) {
+	if res, err := DBExec("UPDATE student_sessions SET id_student = ?, time = ? WHERE id_session = ?", s.IdStudent, s.Time, s.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
+func (s Session) Delete() (int64, error) {
+	if res, err := DBExec("DELETE FROM student_sessions WHERE id_session = ?", s.Id); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}
+
+func ClearSession() (int64, error) {
+	if res, err := DBExec("DELETE FROM student_sessions"); err != nil {
+		return 0, err
+	} else if nb, err := res.RowsAffected(); err != nil {
+		return 0, err
+	} else {
+		return nb, err
+	}
+}