87 lines
1.6 KiB
Go
87 lines
1.6 KiB
Go
package main
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import (
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crand "crypto/rand"
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"encoding/hex"
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"net/http"
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"time"
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)
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func Must[T any](value T, err error) T {
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if err != nil {
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panic(err)
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}
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return value
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}
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func generateRandomID(length int) (string, error) {
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data := make([]byte, 32)
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if _, err := crand.Read(data); err != nil {
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return "", err
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}
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return hex.EncodeToString(data), nil
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}
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func GetSession(w http.ResponseWriter, r *http.Request) (*Session, error) {
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cookie, err := r.Cookie("session")
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if err != nil {
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return makeNewSession(w)
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}
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session := GetSessionByID(cookie.Value)
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if session == nil {
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return makeNewSession(w)
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}
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// update cookie expiration date
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session.ExpirationDate = time.Now().AddDate(1, 0, 0)
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if err := UpdateSession(session); err != nil {
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return nil, err
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}
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http.SetCookie(w, &http.Cookie{
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Name: "session",
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Value: session.ID,
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Expires: session.ExpirationDate,
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Secure: true,
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HttpOnly: true,
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})
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return session, nil
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}
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func makeNewSession(w http.ResponseWriter) (*Session, error) {
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session, err := NewSession()
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if err != nil {
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return nil, err
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}
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if err := InsertSession(session); err != nil {
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return nil, err
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}
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// insert default bookmarks
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for _, bookmark := range DefaultBookmarks() {
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bookmark.SessionID = session.ID
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if err := InsertBookmark(&bookmark); err != nil {
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return nil, err
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}
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}
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// insert default settings
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settings := DefaultSettings()
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settings.SessionID = session.ID
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if err := InsertSettings(settings); err != nil {
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return nil, err
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}
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http.SetCookie(w, &http.Cookie{
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Name: "session",
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Value: session.ID,
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Expires: session.ExpirationDate,
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Secure: true,
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HttpOnly: true,
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})
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return session, nil
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}
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