Files
probo/pkg/server/api/authn/session_middleware.go
Émile Ré 3b20f466c3 Fix indentation after errors.AsType refactor
Signed-off-by: Émile Ré <emile@probo.com>
2026-05-20 11:53:50 +04:00

133 lines
3.7 KiB
Go

// Copyright (c) 2026 Probo Inc <hello@getprobo.com>.
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
package authn
import (
"errors"
"fmt"
"net"
"net/http"
"github.com/99designs/gqlgen/graphql"
"github.com/vektah/gqlparser/v2/gqlerror"
"go.gearno.de/kit/httpserver"
"go.gearno.de/kit/log"
"go.probo.inc/probo/pkg/gid"
"go.probo.inc/probo/pkg/iam"
"go.probo.inc/probo/pkg/securecookie"
"go.probo.inc/probo/pkg/server/gqlutils"
)
func NewSessionMiddleware(svc *iam.Service, cookieConfig securecookie.Config) func(next http.Handler) http.Handler {
return func(next http.Handler) http.Handler {
return http.HandlerFunc(
func(w http.ResponseWriter, r *http.Request) {
ctx := r.Context()
cookieValue, err := securecookie.Get(r, cookieConfig)
if err != nil {
next.ServeHTTP(w, r)
return
}
sessionID, err := gid.ParseGID(cookieValue)
if err != nil {
securecookie.Clear(w, cookieConfig)
next.ServeHTTP(w, r)
return
}
apiKey := APIKeyFromContext(ctx)
if sessionID != gid.Nil && apiKey != nil {
httpserver.RenderJSON(
w,
http.StatusUnauthorized,
&graphql.Response{
Errors: gqlerror.List{
gqlutils.Conflictf(ctx, "session authentication cannot be used with API key authentication"),
},
},
)
return
}
session, err := svc.SessionService.GetSession(ctx, sessionID)
if err != nil {
if _, ok := errors.AsType[*iam.ErrSessionNotFound](err); ok {
securecookie.Clear(w, cookieConfig)
next.ServeHTTP(w, r)
return
}
if _, ok := errors.AsType[*iam.ErrSessionExpired](err); ok {
securecookie.Clear(w, cookieConfig)
next.ServeHTTP(w, r)
return
}
panic(fmt.Errorf("cannot get session: %w", err))
}
identity, err := svc.AccountService.GetIdentity(ctx, session.IdentityID)
if err != nil {
if _, ok := errors.AsType[*iam.ErrIdentityNotFound](err); ok {
securecookie.Clear(w, cookieConfig)
next.ServeHTTP(w, r)
return
}
panic(fmt.Errorf("cannot get identity: %w", err))
}
userAgent := r.UserAgent()
// TODO: will work well when no layer 7 proxy is in front of the server
var ipAddress net.IP
if host, _, err := net.SplitHostPort(r.RemoteAddr); err == nil {
ipAddress = net.ParseIP(host)
} else {
ipAddress = net.ParseIP(r.RemoteAddr)
}
err = svc.SessionService.UpdateSessionInfo(ctx, session.ID, userAgent, ipAddress)
if err != nil {
panic(fmt.Errorf("cannot update session info: %w", err))
}
ctx = ContextWithSession(ctx, session)
ctx = ContextWithIdentity(ctx, identity)
httpserver.LoggerFromContext(ctx).InfoCtx(
ctx,
"session authenticated",
log.String("identity_id", identity.ID.String()),
log.String("session_id", session.ID.String()),
)
next.ServeHTTP(w, r.WithContext(ctx))
err = svc.SessionService.UpdateSessionData(ctx, session.ID, session.Data)
if err != nil {
panic(fmt.Errorf("cannot update session data: %w", err))
}
},
)
}
}