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refactor: eliminate DRY violations across control plane and host agent

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Extract shared helpers to consolidate repeated patterns:
- requireRunningSandbox: sandbox lookup + running check (10 call sites)
- upgradeAndAuthenticate: WS upgrade + JWT/API-key auth (3 handlers)
- updateLastActive: last_active_at update with background context (5 sites)
- attachCowAndCreate: cow loop attach + dmsetup create (devicemapper)
- issueRegistrationToken: token gen + Redis + audit (host service)
- ErrNotFound sentinel: replaces string matching in hostagent server

Also merges duplicate wsProcessOut/wsOutMsg types into one.

Net: -208 lines, zero behavior change.
This commit is contained in:
Rafeed M. Bhuiyan
2026-05-17 02:03:06 +06:00
parent a5425969ed
commit 124e097e23
12 changed files with 207 additions and 415 deletions
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34
internal/api/handlers_files.go
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@ -7,11 +7,9 @@ import (
"net/http"
"connectrpc.com/connect"
"github.com/go-chi/chi/v5"
"git.omukk.dev/wrenn/wrenn/pkg/auth"
"git.omukk.dev/wrenn/wrenn/pkg/db"
"git.omukk.dev/wrenn/wrenn/pkg/id"
"git.omukk.dev/wrenn/wrenn/pkg/lifecycle"
pb "git.omukk.dev/wrenn/wrenn/proto/hostagent/gen"
)
@ -30,23 +28,11 @@ func newFilesHandler(db *db.Queries, pool *lifecycle.HostClientPool) *filesHandl
// - "path" text field: absolute destination path inside the sandbox
// - "file" file field: binary content to write
func (h *filesHandler) Upload(w http.ResponseWriter, r *http.Request) {
sandboxIDStr := chi.URLParam(r, "id")
ctx := r.Context()
ac := auth.MustFromContext(ctx)
sandboxID, err := id.ParseSandboxID(sandboxIDStr)
if err != nil {
writeError(w, http.StatusBadRequest, "invalid_request", "invalid sandbox ID")
return
}
sb, err := h.db.GetSandboxByTeam(ctx, db.GetSandboxByTeamParams{ID: sandboxID, TeamID: ac.TeamID})
if err != nil {
writeError(w, http.StatusNotFound, "not_found", "sandbox not found")
return
}
if sb.Status != "running" {
writeError(w, http.StatusConflict, "invalid_state", "sandbox is not running")
sb, _, sandboxIDStr, ok := requireRunningSandbox(w, r, h.db, ac.TeamID)
if !ok {
return
}
@ -108,23 +94,11 @@ type readFileRequest struct {
// Download handles POST /v1/capsules/{id}/files/read.
// Accepts JSON body with path, returns raw file content with Content-Disposition.
func (h *filesHandler) Download(w http.ResponseWriter, r *http.Request) {
sandboxIDStr := chi.URLParam(r, "id")
ctx := r.Context()
ac := auth.MustFromContext(ctx)
sandboxID, err := id.ParseSandboxID(sandboxIDStr)
if err != nil {
writeError(w, http.StatusBadRequest, "invalid_request", "invalid sandbox ID")
return
}
sb, err := h.db.GetSandboxByTeam(ctx, db.GetSandboxByTeamParams{ID: sandboxID, TeamID: ac.TeamID})
if err != nil {
writeError(w, http.StatusNotFound, "not_found", "sandbox not found")
return
}
if sb.Status != "running" {
writeError(w, http.StatusConflict, "invalid_state", "sandbox is not running")
sb, _, sandboxIDStr, ok := requireRunningSandbox(w, r, h.db, ac.TeamID)
if !ok {
return
}