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| 1 | +// SPDX-License-Identifier: AGPL-3.0-or-later |
| 2 | + |
| 3 | +package repo |
| 4 | + |
| 5 | +import ( |
| 6 | + "errors" |
| 7 | + "net/http" |
| 8 | + "strconv" |
| 9 | + "strings" |
| 10 | + |
| 11 | + "github.com/go-chi/chi/v5" |
| 12 | + "github.com/jackc/pgx/v5/pgtype" |
| 13 | + |
| 14 | + "github.com/tenseleyFlow/shithub/internal/auth/policy" |
| 15 | + "github.com/tenseleyFlow/shithub/internal/repos/lifecycle" |
| 16 | + reposdb "github.com/tenseleyFlow/shithub/internal/repos/sqlc" |
| 17 | + "github.com/tenseleyFlow/shithub/internal/web/middleware" |
| 18 | + usersdb "github.com/tenseleyFlow/shithub/internal/users/sqlc" |
| 19 | +) |
| 20 | + |
| 21 | +// MountLifecycle registers the repo settings danger-zone routes plus |
| 22 | +// the per-user inbox/restore views. Caller wraps with RequireUser so |
| 23 | +// every route below has a logged-in viewer in context. Routes: |
| 24 | +// |
| 25 | +// GET /{owner}/{repo}/settings — danger zone view |
| 26 | +// POST /{owner}/{repo}/settings/rename |
| 27 | +// POST /{owner}/{repo}/settings/transfer |
| 28 | +// POST /{owner}/{repo}/settings/archive |
| 29 | +// POST /{owner}/{repo}/settings/unarchive |
| 30 | +// POST /{owner}/{repo}/settings/visibility |
| 31 | +// POST /{owner}/{repo}/settings/delete |
| 32 | +// POST /transfers/{id}/accept |
| 33 | +// POST /transfers/{id}/decline |
| 34 | +// POST /transfers/{id}/cancel |
| 35 | +// GET /transfers — recipient inbox |
| 36 | +// GET /settings/repositories — restore listing |
| 37 | +// POST /settings/repositories/restore/{id} |
| 38 | +func (h *Handlers) MountLifecycle(r chi.Router) { |
| 39 | + r.Get("/{owner}/{repo}/settings", h.repoSettings) |
| 40 | + r.Post("/{owner}/{repo}/settings/rename", h.repoRename) |
| 41 | + r.Post("/{owner}/{repo}/settings/transfer", h.repoTransferRequest) |
| 42 | + r.Post("/{owner}/{repo}/settings/archive", h.repoArchive) |
| 43 | + r.Post("/{owner}/{repo}/settings/unarchive", h.repoUnarchive) |
| 44 | + r.Post("/{owner}/{repo}/settings/visibility", h.repoVisibility) |
| 45 | + r.Post("/{owner}/{repo}/settings/delete", h.repoSoftDelete) |
| 46 | + r.Post("/transfers/{id}/accept", h.transferAccept) |
| 47 | + r.Post("/transfers/{id}/decline", h.transferDecline) |
| 48 | + r.Post("/transfers/{id}/cancel", h.transferCancel) |
| 49 | + r.Get("/transfers", h.transferInbox) |
| 50 | + r.Get("/settings/repositories", h.restoreList) |
| 51 | + r.Post("/settings/repositories/restore/{id}", h.repoRestore) |
| 52 | +} |
| 53 | + |
| 54 | +// loadRepoAndAuthorize is the common preamble for every settings-route |
| 55 | +// handler. Resolves owner+repo, applies policy.Can with the chosen |
| 56 | +// action, and either returns the row or writes the response. |
| 57 | +func (h *Handlers) loadRepoAndAuthorize(w http.ResponseWriter, r *http.Request, action policy.Action) (reposdb.Repo, usersdb.User, bool) { |
| 58 | + ownerName := chi.URLParam(r, "owner") |
| 59 | + repoName := chi.URLParam(r, "repo") |
| 60 | + owner, err := h.uq.GetUserByUsername(r.Context(), h.d.Pool, ownerName) |
| 61 | + if err != nil { |
| 62 | + h.d.Render.HTTPError(w, r, http.StatusNotFound, "") |
| 63 | + return reposdb.Repo{}, usersdb.User{}, false |
| 64 | + } |
| 65 | + row, err := h.rq.GetRepoByOwnerUserAndName(r.Context(), h.d.Pool, reposdb.GetRepoByOwnerUserAndNameParams{ |
| 66 | + OwnerUserID: pgtype.Int8{Int64: owner.ID, Valid: true}, |
| 67 | + Name: repoName, |
| 68 | + }) |
| 69 | + if err != nil { |
| 70 | + h.d.Render.HTTPError(w, r, http.StatusNotFound, "") |
| 71 | + return reposdb.Repo{}, usersdb.User{}, false |
| 72 | + } |
| 73 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 74 | + actor := policy.UserActor(viewer.ID, viewer.Username, false, false) |
| 75 | + repoRef := policy.NewRepoRefFromRepo(row) |
| 76 | + if !policy.Can(r.Context(), policy.Deps{Pool: h.d.Pool}, actor, action, repoRef).Allow { |
| 77 | + h.d.Render.HTTPError(w, r, http.StatusNotFound, "") |
| 78 | + return reposdb.Repo{}, usersdb.User{}, false |
| 79 | + } |
| 80 | + return row, owner, true |
| 81 | +} |
| 82 | + |
| 83 | +// repoSettings renders the danger-zone view. Limited to owners (admin |
| 84 | +// action). The actual settings UI is S32; this is just the danger |
| 85 | +// zone S16 owns. |
| 86 | +func (h *Handlers) repoSettings(w http.ResponseWriter, r *http.Request) { |
| 87 | + row, owner, ok := h.loadRepoAndAuthorize(w, r, policy.ActionRepoAdmin) |
| 88 | + if !ok { |
| 89 | + return |
| 90 | + } |
| 91 | + transfers, _ := h.rq.ListTransfersForRepo(r.Context(), h.d.Pool, row.ID) |
| 92 | + h.d.Render.RenderPage(w, r, "repo/settings", map[string]any{ |
| 93 | + "Title": "Settings · " + row.Name, |
| 94 | + "CSRFToken": middleware.CSRFTokenForRequest(r), |
| 95 | + "Owner": owner.Username, |
| 96 | + "Repo": row, |
| 97 | + "Transfers": transfers, |
| 98 | + }) |
| 99 | +} |
| 100 | + |
| 101 | +func (h *Handlers) repoRename(w http.ResponseWriter, r *http.Request) { |
| 102 | + row, owner, ok := h.loadRepoAndAuthorize(w, r, policy.ActionRepoAdmin) |
| 103 | + if !ok { |
| 104 | + return |
| 105 | + } |
| 106 | + newName := strings.ToLower(strings.TrimSpace(r.PostFormValue("new_name"))) |
| 107 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 108 | + err := lifecycle.Rename(r.Context(), h.lifecycleDeps(), lifecycle.RenameParams{ |
| 109 | + ActorUserID: viewer.ID, |
| 110 | + RepoID: row.ID, |
| 111 | + OwnerUserID: owner.ID, |
| 112 | + OwnerName: owner.Username, |
| 113 | + OldName: row.Name, |
| 114 | + NewName: newName, |
| 115 | + }) |
| 116 | + if err != nil { |
| 117 | + h.lifecycleError(w, r, err) |
| 118 | + return |
| 119 | + } |
| 120 | + policy.InvalidateRepo(r.Context(), row.ID) |
| 121 | + http.Redirect(w, r, "/"+owner.Username+"/"+newName+"/settings", http.StatusSeeOther) |
| 122 | +} |
| 123 | + |
| 124 | +func (h *Handlers) repoTransferRequest(w http.ResponseWriter, r *http.Request) { |
| 125 | + row, owner, ok := h.loadRepoAndAuthorize(w, r, policy.ActionRepoAdmin) |
| 126 | + if !ok { |
| 127 | + return |
| 128 | + } |
| 129 | + target := strings.ToLower(strings.TrimSpace(r.PostFormValue("to_user"))) |
| 130 | + confirm := strings.TrimSpace(r.PostFormValue("confirm")) |
| 131 | + if confirm != owner.Username+"/"+row.Name { |
| 132 | + http.Error(w, "confirmation text didn't match owner/repo", http.StatusBadRequest) |
| 133 | + return |
| 134 | + } |
| 135 | + to, err := h.uq.GetUserByUsername(r.Context(), h.d.Pool, target) |
| 136 | + if err != nil { |
| 137 | + http.Error(w, "recipient not found", http.StatusBadRequest) |
| 138 | + return |
| 139 | + } |
| 140 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 141 | + if _, err := lifecycle.RequestTransfer(r.Context(), h.lifecycleDeps(), lifecycle.TransferRequestParams{ |
| 142 | + ActorUserID: viewer.ID, RepoID: row.ID, |
| 143 | + FromUserID: owner.ID, ToPrincipalKind: "user", ToPrincipalID: to.ID, |
| 144 | + }); err != nil { |
| 145 | + h.lifecycleError(w, r, err) |
| 146 | + return |
| 147 | + } |
| 148 | + http.Redirect(w, r, "/"+owner.Username+"/"+row.Name+"/settings?notice=transfer-requested", http.StatusSeeOther) |
| 149 | +} |
| 150 | + |
| 151 | +func (h *Handlers) repoArchive(w http.ResponseWriter, r *http.Request) { |
| 152 | + row, owner, ok := h.loadRepoAndAuthorize(w, r, policy.ActionRepoArchive) |
| 153 | + if !ok { |
| 154 | + return |
| 155 | + } |
| 156 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 157 | + if err := lifecycle.Archive(r.Context(), h.lifecycleDeps(), viewer.ID, row.ID); err != nil { |
| 158 | + h.lifecycleError(w, r, err) |
| 159 | + return |
| 160 | + } |
| 161 | + http.Redirect(w, r, "/"+owner.Username+"/"+row.Name+"/settings?notice=archived", http.StatusSeeOther) |
| 162 | +} |
| 163 | + |
| 164 | +func (h *Handlers) repoUnarchive(w http.ResponseWriter, r *http.Request) { |
| 165 | + row, owner, ok := h.loadRepoAndAuthorize(w, r, policy.ActionRepoArchive) |
| 166 | + if !ok { |
| 167 | + return |
| 168 | + } |
| 169 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 170 | + if err := lifecycle.Unarchive(r.Context(), h.lifecycleDeps(), viewer.ID, row.ID); err != nil { |
| 171 | + h.lifecycleError(w, r, err) |
| 172 | + return |
| 173 | + } |
| 174 | + http.Redirect(w, r, "/"+owner.Username+"/"+row.Name+"/settings?notice=unarchived", http.StatusSeeOther) |
| 175 | +} |
| 176 | + |
| 177 | +func (h *Handlers) repoVisibility(w http.ResponseWriter, r *http.Request) { |
| 178 | + row, owner, ok := h.loadRepoAndAuthorize(w, r, policy.ActionRepoVisibility) |
| 179 | + if !ok { |
| 180 | + return |
| 181 | + } |
| 182 | + to := strings.ToLower(strings.TrimSpace(r.PostFormValue("visibility"))) |
| 183 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 184 | + if err := lifecycle.SetVisibility(r.Context(), h.lifecycleDeps(), viewer.ID, row.ID, to); err != nil { |
| 185 | + h.lifecycleError(w, r, err) |
| 186 | + return |
| 187 | + } |
| 188 | + http.Redirect(w, r, "/"+owner.Username+"/"+row.Name+"/settings?notice=visibility", http.StatusSeeOther) |
| 189 | +} |
| 190 | + |
| 191 | +func (h *Handlers) repoSoftDelete(w http.ResponseWriter, r *http.Request) { |
| 192 | + row, owner, ok := h.loadRepoAndAuthorize(w, r, policy.ActionRepoDelete) |
| 193 | + if !ok { |
| 194 | + return |
| 195 | + } |
| 196 | + confirm := strings.TrimSpace(r.PostFormValue("confirm")) |
| 197 | + if confirm != owner.Username+"/"+row.Name { |
| 198 | + http.Error(w, "confirmation text didn't match owner/repo", http.StatusBadRequest) |
| 199 | + return |
| 200 | + } |
| 201 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 202 | + if err := lifecycle.SoftDelete(r.Context(), h.lifecycleDeps(), viewer.ID, row.ID); err != nil { |
| 203 | + h.lifecycleError(w, r, err) |
| 204 | + return |
| 205 | + } |
| 206 | + http.Redirect(w, r, "/settings/repositories?notice=deleted", http.StatusSeeOther) |
| 207 | +} |
| 208 | + |
| 209 | +// transferAccept / Decline / Cancel act on a transfer ID. Recipient is |
| 210 | +// always the actor for accept/decline; sender (or repo admin) for cancel. |
| 211 | +func (h *Handlers) transferAccept(w http.ResponseWriter, r *http.Request) { |
| 212 | + id := parseTransferID(w, r) |
| 213 | + if id == 0 { |
| 214 | + return |
| 215 | + } |
| 216 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 217 | + if err := lifecycle.AcceptTransfer(r.Context(), h.lifecycleDeps(), viewer.ID, id); err != nil { |
| 218 | + h.lifecycleError(w, r, err) |
| 219 | + return |
| 220 | + } |
| 221 | + http.Redirect(w, r, "/transfers?notice=accepted", http.StatusSeeOther) |
| 222 | +} |
| 223 | + |
| 224 | +func (h *Handlers) transferDecline(w http.ResponseWriter, r *http.Request) { |
| 225 | + id := parseTransferID(w, r) |
| 226 | + if id == 0 { |
| 227 | + return |
| 228 | + } |
| 229 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 230 | + if err := lifecycle.DeclineTransfer(r.Context(), h.lifecycleDeps(), viewer.ID, id); err != nil { |
| 231 | + h.lifecycleError(w, r, err) |
| 232 | + return |
| 233 | + } |
| 234 | + http.Redirect(w, r, "/transfers?notice=declined", http.StatusSeeOther) |
| 235 | +} |
| 236 | + |
| 237 | +func (h *Handlers) transferCancel(w http.ResponseWriter, r *http.Request) { |
| 238 | + id := parseTransferID(w, r) |
| 239 | + if id == 0 { |
| 240 | + return |
| 241 | + } |
| 242 | + // Verify the actor is allowed to cancel: must be repo admin on the |
| 243 | + // repo this transfer belongs to. |
| 244 | + row, err := h.rq.GetTransferRequest(r.Context(), h.d.Pool, id) |
| 245 | + if err != nil { |
| 246 | + h.d.Render.HTTPError(w, r, http.StatusNotFound, "") |
| 247 | + return |
| 248 | + } |
| 249 | + repo, err := h.rq.GetRepoByID(r.Context(), h.d.Pool, row.RepoID) |
| 250 | + if err != nil { |
| 251 | + h.d.Render.HTTPError(w, r, http.StatusNotFound, "") |
| 252 | + return |
| 253 | + } |
| 254 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 255 | + actor := policy.UserActor(viewer.ID, viewer.Username, false, false) |
| 256 | + if !policy.Can(r.Context(), policy.Deps{Pool: h.d.Pool}, actor, policy.ActionRepoAdmin, policy.NewRepoRefFromRepo(repo)).Allow { |
| 257 | + h.d.Render.HTTPError(w, r, http.StatusNotFound, "") |
| 258 | + return |
| 259 | + } |
| 260 | + if err := lifecycle.CancelTransfer(r.Context(), h.lifecycleDeps(), viewer.ID, id); err != nil { |
| 261 | + h.lifecycleError(w, r, err) |
| 262 | + return |
| 263 | + } |
| 264 | + http.Redirect(w, r, "/"+chi.URLParam(r, "owner")+"/"+chi.URLParam(r, "repo")+"/settings?notice=transfer-canceled", http.StatusSeeOther) |
| 265 | +} |
| 266 | + |
| 267 | +func (h *Handlers) transferInbox(w http.ResponseWriter, r *http.Request) { |
| 268 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 269 | + rows, err := h.rq.ListPendingTransfersForUser(r.Context(), h.d.Pool, viewer.ID) |
| 270 | + if err != nil { |
| 271 | + h.d.Render.HTTPError(w, r, http.StatusInternalServerError, "") |
| 272 | + return |
| 273 | + } |
| 274 | + h.d.Render.RenderPage(w, r, "repo/transfers_inbox", map[string]any{ |
| 275 | + "Title": "Transfer inbox", |
| 276 | + "CSRFToken": middleware.CSRFTokenForRequest(r), |
| 277 | + "Pending": rows, |
| 278 | + }) |
| 279 | +} |
| 280 | + |
| 281 | +func (h *Handlers) restoreList(w http.ResponseWriter, r *http.Request) { |
| 282 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 283 | + rows, err := h.rq.ListSoftDeletedReposForOwner(r.Context(), h.d.Pool, pgtype.Int8{Int64: viewer.ID, Valid: true}) |
| 284 | + if err != nil { |
| 285 | + h.d.Render.HTTPError(w, r, http.StatusInternalServerError, "") |
| 286 | + return |
| 287 | + } |
| 288 | + h.d.Render.RenderPage(w, r, "repo/restore_list", map[string]any{ |
| 289 | + "Title": "Restore deleted repositories", |
| 290 | + "CSRFToken": middleware.CSRFTokenForRequest(r), |
| 291 | + "Repos": rows, |
| 292 | + }) |
| 293 | +} |
| 294 | + |
| 295 | +func (h *Handlers) repoRestore(w http.ResponseWriter, r *http.Request) { |
| 296 | + idStr := chi.URLParam(r, "id") |
| 297 | + repoID, err := strconv.ParseInt(idStr, 10, 64) |
| 298 | + if err != nil || repoID <= 0 { |
| 299 | + http.Error(w, "bad id", http.StatusBadRequest) |
| 300 | + return |
| 301 | + } |
| 302 | + repo, err := h.rq.GetRepoByID(r.Context(), h.d.Pool, repoID) |
| 303 | + if err != nil { |
| 304 | + h.d.Render.HTTPError(w, r, http.StatusNotFound, "") |
| 305 | + return |
| 306 | + } |
| 307 | + viewer := middleware.CurrentUserFromContext(r.Context()) |
| 308 | + if !repo.OwnerUserID.Valid || repo.OwnerUserID.Int64 != viewer.ID { |
| 309 | + // Restore is owner-only; site-admin path is S34. Existence-leak |
| 310 | + // guard: don't reveal a soft-deleted repo to non-owners. |
| 311 | + h.d.Render.HTTPError(w, r, http.StatusNotFound, "") |
| 312 | + return |
| 313 | + } |
| 314 | + if err := lifecycle.Restore(r.Context(), h.lifecycleDeps(), viewer.ID, repoID); err != nil { |
| 315 | + h.lifecycleError(w, r, err) |
| 316 | + return |
| 317 | + } |
| 318 | + http.Redirect(w, r, "/settings/repositories?notice=restored", http.StatusSeeOther) |
| 319 | +} |
| 320 | + |
| 321 | +// parseTransferID parses the chi URL param; writes a 400 and returns 0 |
| 322 | +// on malformed input. |
| 323 | +func parseTransferID(w http.ResponseWriter, r *http.Request) int64 { |
| 324 | + idStr := chi.URLParam(r, "id") |
| 325 | + id, err := strconv.ParseInt(idStr, 10, 64) |
| 326 | + if err != nil || id <= 0 { |
| 327 | + http.Error(w, "bad id", http.StatusBadRequest) |
| 328 | + return 0 |
| 329 | + } |
| 330 | + return id |
| 331 | +} |
| 332 | + |
| 333 | +// lifecycleDeps assembles the orchestrator deps from the handler's deps. |
| 334 | +func (h *Handlers) lifecycleDeps() lifecycle.Deps { |
| 335 | + return lifecycle.Deps{ |
| 336 | + Pool: h.d.Pool, |
| 337 | + RepoFS: h.d.RepoFS, |
| 338 | + Audit: h.d.Audit, |
| 339 | + Logger: h.d.Logger, |
| 340 | + } |
| 341 | +} |
| 342 | + |
| 343 | +// lifecycleError surfaces the typed lifecycle errors as user-friendly |
| 344 | +// HTTP responses. Specific cases get specific status codes; everything |
| 345 | +// else falls back to 500. |
| 346 | +func (h *Handlers) lifecycleError(w http.ResponseWriter, r *http.Request, err error) { |
| 347 | + switch { |
| 348 | + case errors.Is(err, lifecycle.ErrNameTaken), |
| 349 | + errors.Is(err, lifecycle.ErrInvalidName), |
| 350 | + errors.Is(err, lifecycle.ErrReservedName), |
| 351 | + errors.Is(err, lifecycle.ErrSameName), |
| 352 | + errors.Is(err, lifecycle.ErrInvalidVisibility), |
| 353 | + errors.Is(err, lifecycle.ErrTransferToSelf): |
| 354 | + http.Error(w, err.Error(), http.StatusBadRequest) |
| 355 | + case errors.Is(err, lifecycle.ErrRenameRateLimited): |
| 356 | + http.Error(w, "rename rate limit (5 per 30 days) exceeded", http.StatusTooManyRequests) |
| 357 | + case errors.Is(err, lifecycle.ErrAlreadyArchived), |
| 358 | + errors.Is(err, lifecycle.ErrNotArchived), |
| 359 | + errors.Is(err, lifecycle.ErrAlreadyDeleted), |
| 360 | + errors.Is(err, lifecycle.ErrNotDeleted): |
| 361 | + http.Error(w, err.Error(), http.StatusConflict) |
| 362 | + case errors.Is(err, lifecycle.ErrTransferTerminal), |
| 363 | + errors.Is(err, lifecycle.ErrTransferExpired): |
| 364 | + http.Error(w, "transfer no longer pending", http.StatusConflict) |
| 365 | + case errors.Is(err, lifecycle.ErrPastGrace): |
| 366 | + http.Error(w, "soft-delete grace expired", http.StatusGone) |
| 367 | + default: |
| 368 | + h.d.Logger.WarnContext(r.Context(), "lifecycle: unexpected error", "error", err) |
| 369 | + http.Error(w, "internal error", http.StatusInternalServerError) |
| 370 | + } |
| 371 | +} |