Fix various bad tenant isolation

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

pkg/server/auth/organization_logo_handler.go

@@ -0,0 +1,58 @@
+// 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 (
+	"context"
+	"fmt"
+	"net/http"
+	"time"
+
+	authsvc "github.com/getprobo/probo/pkg/auth"
+	"github.com/getprobo/probo/pkg/coredata"
+	"github.com/getprobo/probo/pkg/gid"
+	"github.com/go-chi/chi/v5"
+)
+
+func OrganizationLogoHandler(authSvc *authsvc.Service, fileManager interface {
+	GenerateFileUrl(ctx context.Context, file *coredata.File, duration time.Duration) (string, error)
+}) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		ctx := r.Context()
+		user := UserFromContext(ctx)
+		session := SessionFromContext(ctx)
+
+		organizationIDStr := chi.URLParam(r, "organizationID")
+		organizationID, err := gid.ParseGID(organizationIDStr)
+		if err != nil {
+			http.Error(w, "Invalid organization ID", http.StatusBadRequest)
+			return
+		}
+
+		logoFile, err := authSvc.GetOrganizationLogoFile(ctx, user, organizationID, session)
+		if err != nil {
+			panic(fmt.Errorf("cannot get organization logo: %w", err))
+		}
+
+		presignedURL, err := fileManager.GenerateFileUrl(ctx, logoFile, 1*time.Hour)
+		if err != nil {
+			panic(fmt.Errorf("cannot generate presigned URL: %w", err))
+		}
+
+		w.Header().Set("Cache-Control", "public, max-age=3600")
+
+		http.Redirect(w, r, presignedURL, http.StatusFound)
+	}
+}