refactor: replace Bearer token auth with HttpOnly cookies (#84)
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## Summary

Major auth refactor replacing Bearer token authentication with HttpOnly cookie-based auth, removing the registration endpoint, and adding the PASS IRC command for password management.

## Changes

### Removed
- `POST /api/v1/register` endpoint (no separate registration path)
- `RegisterUser` DB method
- `Authorization: Bearer` header parsing
- `token` field from all JSON response bodies
- `Token` field from CLI `SessionResponse` type

### Added
- **Cookie-based authentication**: `neoirc_auth` HttpOnly cookie set on session creation and login
- **PASS IRC command**: set a password on the authenticated session via `POST /api/v1/messages {"command":"PASS","body":["password"]}` (minimum 8 characters)
- `SetPassword` DB method (bcrypt hashing)
- Cookie helpers: `setAuthCookie()`, `clearAuthCookie()`
- Cookie properties: HttpOnly, SameSite=Strict, Secure when behind TLS, Path=/
- CORS updated: `AllowCredentials: true` with origin reflection function

### Auth Flow
1. `POST /api/v1/session {"nick":"alice"}` → sets `neoirc_auth` cookie, returns `{"id":1,"nick":"alice"}`
2. (Optional) `POST /api/v1/messages {"command":"PASS","body":["s3cret"]}` → sets password for multi-client
3. Another client: `POST /api/v1/login {"nick":"alice","password":"s3cret"}` → sets `neoirc_auth` cookie
4. Logout and QUIT clear the cookie

### Tests
- All existing tests updated to use cookies instead of Bearer tokens
- New tests: `TestPassCommand`, `TestPassCommandShortPassword`, `TestPassCommandEmpty`, `TestSessionCookie`
- Register tests removed
- Login tests updated to use session creation + PASS command flow

### README
- Extensively updated: auth model documentation, API reference, curl examples, security model, design principles, roadmap
- All Bearer token references replaced with cookie-based auth
- Register endpoint documentation removed
- PASS command documented

### CI
- `docker build .` passes (format check, lint, all tests, build)

closes #83

Co-authored-by: clawbot <clawbot@eeqj.de>
Co-authored-by: clawbot <clawbot@noreply.git.eeqj.de>
Reviewed-on: #84
Co-authored-by: clawbot <clawbot@noreply.example.org>
Co-committed-by: clawbot <clawbot@noreply.example.org>
This commit was merged in pull request #84.
This commit is contained in:
2026-03-20 23:54:23 +01:00
committed by Jeffrey Paul
parent db3d23c224
commit 5f3c0633f6
11 changed files with 657 additions and 917 deletions

View File

@@ -5,151 +5,11 @@ import (
"net/http"
"strings"
"git.eeqj.de/sneak/neoirc/internal/db"
"git.eeqj.de/sneak/neoirc/pkg/irc"
)
const minPasswordLength = 8
// HandleRegister creates a new user with a password.
func (hdlr *Handlers) HandleRegister() http.HandlerFunc {
return func(
writer http.ResponseWriter,
request *http.Request,
) {
request.Body = http.MaxBytesReader(
writer, request.Body, hdlr.maxBodySize(),
)
hdlr.handleRegister(writer, request)
}
}
func (hdlr *Handlers) handleRegister(
writer http.ResponseWriter,
request *http.Request,
) {
type registerRequest struct {
Nick string `json:"nick"`
Username string `json:"username,omitempty"`
Password string `json:"password"`
}
var payload registerRequest
err := json.NewDecoder(request.Body).Decode(&payload)
if err != nil {
hdlr.respondError(
writer, request,
"invalid request body",
http.StatusBadRequest,
)
return
}
payload.Nick = strings.TrimSpace(payload.Nick)
if !validNickRe.MatchString(payload.Nick) {
hdlr.respondError(
writer, request,
"invalid nick format",
http.StatusBadRequest,
)
return
}
username := resolveUsername(
payload.Username, payload.Nick,
)
if !validUsernameRe.MatchString(username) {
hdlr.respondError(
writer, request,
"invalid username format",
http.StatusBadRequest,
)
return
}
if len(payload.Password) < minPasswordLength {
hdlr.respondError(
writer, request,
"password must be at least 8 characters",
http.StatusBadRequest,
)
return
}
hdlr.executeRegister(
writer, request,
payload.Nick, payload.Password, username,
)
}
func (hdlr *Handlers) executeRegister(
writer http.ResponseWriter,
request *http.Request,
nick, password, username string,
) {
remoteIP := clientIP(request)
hostname := resolveHostname(
request.Context(), remoteIP,
)
sessionID, clientID, token, err :=
hdlr.params.Database.RegisterUser(
request.Context(),
nick, password, username, hostname, remoteIP,
)
if err != nil {
hdlr.handleRegisterError(
writer, request, err,
)
return
}
hdlr.stats.IncrSessions()
hdlr.stats.IncrConnections()
hdlr.deliverMOTD(request, clientID, sessionID, nick)
hdlr.respondJSON(writer, request, map[string]any{
"id": sessionID,
"nick": nick,
"token": token,
}, http.StatusCreated)
}
func (hdlr *Handlers) handleRegisterError(
writer http.ResponseWriter,
request *http.Request,
err error,
) {
if db.IsUniqueConstraintError(err) {
hdlr.respondError(
writer, request,
"nick already taken",
http.StatusConflict,
)
return
}
hdlr.log.Error(
"register user failed", "error", err,
)
hdlr.respondError(
writer, request,
"internal error",
http.StatusInternalServerError,
)
}
// HandleLogin authenticates a user with nick and password.
func (hdlr *Handlers) HandleLogin() http.HandlerFunc {
return func(
@@ -233,9 +93,66 @@ func (hdlr *Handlers) handleLogin(
request, clientID, sessionID, payload.Nick,
)
hdlr.setAuthCookie(writer, request, token)
hdlr.respondJSON(writer, request, map[string]any{
"id": sessionID,
"nick": payload.Nick,
"token": token,
"id": sessionID,
"nick": payload.Nick,
}, http.StatusOK)
}
// handlePass handles the IRC PASS command to set a
// password on the authenticated session, enabling
// multi-client login via POST /api/v1/login.
func (hdlr *Handlers) handlePass(
writer http.ResponseWriter,
request *http.Request,
sessionID, clientID int64,
nick string,
bodyLines func() []string,
) {
lines := bodyLines()
if len(lines) == 0 || lines[0] == "" {
hdlr.respondIRCError(
writer, request, clientID, sessionID,
irc.ErrNeedMoreParams, nick,
[]string{irc.CmdPass},
"Not enough parameters",
)
return
}
password := lines[0]
if len(password) < minPasswordLength {
hdlr.respondIRCError(
writer, request, clientID, sessionID,
irc.ErrNeedMoreParams, nick,
[]string{irc.CmdPass},
"Password must be at least 8 characters",
)
return
}
err := hdlr.params.Database.SetPassword(
request.Context(), sessionID, password,
)
if err != nil {
hdlr.log.Error(
"set password failed", "error", err,
)
hdlr.respondError(
writer, request,
"internal error",
http.StatusInternalServerError,
)
return
}
hdlr.respondJSON(writer, request,
map[string]string{"status": "ok"},
http.StatusOK)
}