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|
package handlers
import (
"crypto/rand"
"crypto/sha256"
"errors"
"log"
"net/http"
"time"
"github.com/jackc/pgx/v5"
"github.com/jackc/pgx/v5/pgtype"
"go.lindenii.runxiyu.org/forge/forged/internal/common/argon2id"
"go.lindenii.runxiyu.org/forge/forged/internal/common/misc"
"go.lindenii.runxiyu.org/forge/forged/internal/database/queries"
"go.lindenii.runxiyu.org/forge/forged/internal/incoming/web/templates"
"go.lindenii.runxiyu.org/forge/forged/internal/incoming/web/types"
wtypes "go.lindenii.runxiyu.org/forge/forged/internal/incoming/web/types"
)
type LoginHTTP struct {
r templates.Renderer
cookieExpiry int
}
func NewLoginHTTP(r templates.Renderer, cookieExpiry int) *LoginHTTP {
return &LoginHTTP{
r: r,
cookieExpiry: cookieExpiry,
}
}
func (h *LoginHTTP) Login(w http.ResponseWriter, r *http.Request, _ wtypes.Vars) {
renderLoginPage := func(loginError string) bool {
err := h.r.Render(w, "login", struct {
BaseData *types.BaseData
LoginError string
}{
BaseData: types.Base(r),
LoginError: loginError,
})
if err != nil {
log.Println("failed to render login page", "error", err)
http.Error(w, "Failed to render login page", http.StatusInternalServerError)
return true
}
return false
}
if r.Method == http.MethodGet {
renderLoginPage("")
return
}
username := r.PostFormValue("username")
password := r.PostFormValue("password")
userCreds, err := types.Base(r).Queries.GetUserCreds(r.Context(), &username)
if err != nil {
if errors.Is(err, pgx.ErrNoRows) {
renderLoginPage("User not found")
return
}
log.Println("failed to get user credentials", "error", err)
http.Error(w, "Failed to get user credentials", http.StatusInternalServerError)
return
}
if userCreds.PasswordHash == "" {
renderLoginPage("No password set for this user")
return
}
passwordMatches, err := argon2id.ComparePasswordAndHash(password, userCreds.PasswordHash)
if err != nil {
log.Println("failed to compare password and hash", "error", err)
http.Error(w, "Failed to verify password", http.StatusInternalServerError)
return
}
if !passwordMatches {
renderLoginPage("Invalid password")
return
}
cookieValue := rand.Text()
now := time.Now()
expiry := now.Add(time.Duration(h.cookieExpiry) * time.Second)
cookie := &http.Cookie{
Name: "session",
Value: cookieValue,
SameSite: http.SameSiteLaxMode,
HttpOnly: true,
Secure: false, // TODO
Expires: expiry,
Path: "/",
} //exhaustruct:ignore
http.SetCookie(w, cookie)
tokenHash := sha256.Sum256(misc.StringToBytes(cookieValue))
err = types.Base(r).Queries.InsertSession(r.Context(), queries.InsertSessionParams{
UserID: userCreds.ID,
TokenHash: tokenHash[:],
ExpiresAt: pgtype.Timestamptz{
Time: expiry,
Valid: true,
},
})
http.Redirect(w, r, "/", http.StatusSeeOther)
}
|
