Add SAML support

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

pkg/server/auth/auth.go

@@ -0,0 +1,72 @@
+// Copyright (c) 2025 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 auth
+
+import (
+	"net/http"
+	"time"
+
+	authsvc "github.com/getprobo/probo/pkg/auth"
+	"github.com/getprobo/probo/pkg/authz"
+	"github.com/getprobo/probo/pkg/filemanager"
+	"github.com/go-chi/chi/v5"
+	"go.gearno.de/kit/log"
+	"go.gearno.de/kit/pg"
+)
+
+type Config struct {
+	Auth             *authsvc.Service
+	Authz            *authz.Service
+	SAML             *authsvc.SAMLService
+	CookieName       string
+	CookieDomain     string
+	SessionDuration  time.Duration
+	CookieSecret     string
+	FileManager      *filemanager.Service
+	PGClient         *pg.Client
+	Logger           *log.Logger
+}
+
+type Server struct {
+	router *chi.Mux
+}
+
+func NewServer(cfg Config) (*Server, error) {
+	router := chi.NewRouter()
+
+	MountRoutes(
+		router,
+		cfg.Auth,
+		cfg.Authz,
+		cfg.SAML,
+		RoutesConfig{
+			CookieName:      cfg.CookieName,
+			CookieDomain:    cfg.CookieDomain,
+			SessionDuration: cfg.SessionDuration,
+			CookieSecret:    cfg.CookieSecret,
+			FileManager:     cfg.FileManager,
+			PGClient:        cfg.PGClient,
+		},
+		cfg.Logger,
+	)
+
+	return &Server{
+		router: router,
+	}, nil
+}
+
+func (s *Server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	s.router.ServeHTTP(w, r)
+}