Noah Petherbridge
0caf12eb00
* Add "forgot password" workflow. * Add ability to change user email address (confirmation link sent) * Add ability to change user's password. * Add rate limiter to deter brute force login attempts. * Add user deep delete functionality (delete account). * Ping user LastLoginAt every 8 hours for long-lived session cookies. * Add age filters to user search page. * Add sort options to user search (last login, created, username/name)
88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
package account
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import (
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"net/http"
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"strings"
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"git.kirsle.net/apps/gosocial/pkg/config"
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"git.kirsle.net/apps/gosocial/pkg/log"
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"git.kirsle.net/apps/gosocial/pkg/models"
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"git.kirsle.net/apps/gosocial/pkg/ratelimit"
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"git.kirsle.net/apps/gosocial/pkg/session"
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"git.kirsle.net/apps/gosocial/pkg/templates"
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)
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// Login controller.
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func Login() http.HandlerFunc {
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tmpl := templates.Must("account/login.html")
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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// Posting?
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if r.Method == http.MethodPost {
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var (
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// Collect form fields.
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username = strings.ToLower(r.PostFormValue("username"))
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password = r.PostFormValue("password")
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)
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// Look up their account.
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user, err := models.FindUser(username)
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if err != nil {
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session.FlashError(w, r, "Incorrect username or password.")
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templates.Redirect(w, r.URL.Path)
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return
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}
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// Rate limit failed login attempts.
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limiter := &ratelimit.Limiter{
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Namespace: "login",
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ID: user.ID,
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Limit: config.LoginRateLimit,
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Window: config.LoginRateLimitWindow,
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CooldownAt: config.LoginRateLimitCooldownAt,
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Cooldown: config.LoginRateLimitCooldown,
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}
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// Verify password.
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if err := user.CheckPassword(password); err != nil {
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if err := limiter.Ping(); err != nil {
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session.FlashError(w, r, err.Error())
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templates.Redirect(w, r.URL.Path)
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return
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}
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session.FlashError(w, r, "Incorrect username or password.")
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templates.Redirect(w, r.URL.Path)
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return
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}
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// OK. Log in the user's session.
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session.LoginUser(w, r, user)
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// Clear their rate limiter.
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if err := limiter.Clear(); err != nil {
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log.Error("Failed to clear login rate limiter: %s", err)
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}
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// Redirect to their dashboard.
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session.Flash(w, r, "Login successful.")
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templates.Redirect(w, "/me")
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return
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}
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if err := tmpl.Execute(w, r, nil); err != nil {
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http.Error(w, err.Error(), http.StatusInternalServerError)
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return
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}
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})
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}
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// Logout controller.
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func Logout() http.HandlerFunc {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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session.Flash(w, r, "You have been successfully logged out.")
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session.LogoutUser(w, r)
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templates.Redirect(w, "/")
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})
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}
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