| 1 | package cli |
| 2 | |
| 3 | import ( |
| 4 | "errors" |
| 5 | "fmt" |
| 6 | "math" |
| 7 | "os" |
| 8 | "os/exec" |
| 9 | "path/filepath" |
| 10 | "regexp" |
| 11 | "runtime" |
| 12 | "slices" |
| 13 | "strconv" |
| 14 | "strings" |
| 15 | |
| 16 | tea "charm.land/bubbletea/v2" |
| 17 | "github.com/atotto/clipboard" |
| 18 | |
| 19 | "reasonix/internal/agent" |
| 20 | "reasonix/internal/control" |
| 21 | "reasonix/internal/i18n" |
| 22 | "reasonix/internal/provider" |
| 23 | "reasonix/internal/secrets" |
| 24 | "reasonix/internal/shellparse" |
| 25 | ) |
| 26 | |
| 27 | // This file holds the chat TUI's paste & image-attachment input layer: folding |
| 28 | // long pasted text into a deletable [Pasted text #N] token, turning |
| 29 | // dragged/pasted images and file paths into @references, and the clipboard |
| 30 | // commands behind them. The composer state it operates on (pastedBlocks / |
| 31 | // nextPasteID / pendingPastes) lives on chatTUI; these are split out of |
| 32 | // chat_tui.go as a self-contained concern. |
| 33 | |
| 34 | func pastedLineCount(s string) int { |
| 35 | if s == "" { |
| 36 | return 0 |
| 37 | } |
| 38 | return strings.Count(strings.ReplaceAll(strings.ReplaceAll(s, "\r\n", "\n"), "\r", "\n"), "\n") + 1 |
| 39 | } |
| 40 | |
| 41 | func foldedPasteLabel(id, lines int) string { |
| 42 | return fmt.Sprintf("[Pasted text #%d · %d lines]", id, lines) |
| 43 | } |
| 44 | |
| 45 | func renderFoldedPasteBlock(block pastedBlock) string { |
| 46 | return fmt.Sprintf("%s\n\n--- Begin %s ---\n%s\n--- End %s ---", block.label, block.label, block.text, block.label) |
| 47 | } |
| 48 | |
| 49 | func shouldFoldPastedText(s string) bool { |
| 50 | return len([]rune(s)) >= foldedPasteMinChars || pastedLineCount(s) >= foldedPasteMinLines |
| 51 | } |
| 52 | |
| 53 | func (m *chatTUI) shouldFoldPaste(s string) bool { |
| 54 | return shouldFoldPastedText(s) |
| 55 | } |
| 56 | |
| 57 | func (m *chatTUI) insertFoldedPaste(s string) { |
| 58 | m.deleteComposerSelection() |
| 59 | label := foldedPasteLabel(m.takeNextPasteID(), pastedLineCount(s)) |
| 60 | m.pastedBlocks = append(m.pastedBlocks, pastedBlock{label: label, text: s}) |
| 61 | m.input.InsertString(label + " ") |
| 62 | } |
| 63 | |
| 64 | // insertImageRef puts a deletable [image #N] token in the input box (mapped to |
| 65 | // the saved attachment's @ref, expanded on submit) so a dragged/pasted image is |
| 66 | // edited and removed like any other text, not stranded in a separate tray. |
| 67 | func (m *chatTUI) insertImageRef(path string) { |
| 68 | m.deleteComposerSelection() |
| 69 | label := fmt.Sprintf("[image #%d]", m.takeNextPasteID()) |
| 70 | m.pastedBlocks = append(m.pastedBlocks, pastedBlock{label: label, text: "@" + path, image: true}) |
| 71 | m.input.InsertString(label + " ") |
| 72 | m.growInputToFit() |
| 73 | m.updateCompletion() |
| 74 | } |
| 75 | |
| 76 | func (m *chatTUI) expandPastedBlocks(displayed string) string { |
| 77 | sent := displayed |
| 78 | for _, block := range m.pastedBlocks { |
| 79 | if !strings.Contains(sent, block.label) { |
| 80 | continue |
| 81 | } |
| 82 | repl := renderFoldedPasteBlock(block) |
| 83 | if block.image { |
| 84 | repl = block.text |
| 85 | } |
| 86 | sent = strings.ReplaceAll(sent, block.label, repl) |
| 87 | } |
| 88 | // Recover orphaned paste labels that lost their block entries during a |
| 89 | // session reload. Each label follows the format |
| 90 | // [Pasted text #N · M lines]; the original content was expanded into the |
| 91 | // transcript the last time it was submitted. Scan the conversation |
| 92 | // history for a prior user message carrying the matching Begin/End block |
| 93 | // and re-expand from there. Labels with no verified content remain literal. |
| 94 | sent = m.recoverOrphanedPasteLabels(sent) |
| 95 | return sent |
| 96 | } |
| 97 | |
| 98 | var foldedPasteLabelRe = regexp.MustCompile(`\[Pasted text #(\d+) · (\d+) lines\]`) |
| 99 | |
| 100 | // recoverOrphanedPasteLabels restores paste content only at the explicit |
| 101 | // resubmission boundary. Persisted history remains byte-stable for prefix-cache |
| 102 | // reuse; labels that cannot be proven to belong to a prior expanded user |
| 103 | // message are left unchanged rather than rewriting literal user text. |
| 104 | func (m *chatTUI) recoverOrphanedPasteLabels(sent string) string { |
| 105 | var history []provider.Message |
| 106 | if m.ctrl != nil { |
| 107 | history = m.ctrl.History() |
| 108 | } |
| 109 | return recoverOrphanedPasteLabelsFromHistory(sent, m.pastedBlocks, history) |
| 110 | } |
| 111 | |
| 112 | func recoverOrphanedPasteLabelsFromHistory(sent string, knownBlocks []pastedBlock, history []provider.Message) string { |
| 113 | // Fast path: no label-like tokens at all. |
| 114 | if !strings.Contains(sent, "[Pasted text #") { |
| 115 | return sent |
| 116 | } |
| 117 | matches := foldedPasteLabelRe.FindAllString(sent, -1) |
| 118 | if len(matches) == 0 { |
| 119 | return sent |
| 120 | } |
| 121 | // Collect the labels we already know about so we only attempt recovery |
| 122 | // for genuinely orphaned ones. |
| 123 | known := make(map[string]bool, len(knownBlocks)) |
| 124 | for _, b := range knownBlocks { |
| 125 | known[b.label] = true |
| 126 | } |
| 127 | seen := make(map[string]bool, len(matches)) |
| 128 | for _, label := range matches { |
| 129 | if known[label] || seen[label] || strings.Contains(sent, "--- Begin "+label+" ---") { |
| 130 | continue |
| 131 | } |
| 132 | seen[label] = true |
| 133 | var recovered string |
| 134 | found := false |
| 135 | ambiguous := false |
| 136 | for _, v := range slices.Backward(history) { |
| 137 | if v.Role != provider.RoleUser || agent.IsPinnedContextRevision(v) { |
| 138 | continue |
| 139 | } |
| 140 | for _, body := range expandedPasteBodies(v.Content, label) { |
| 141 | if !found { |
| 142 | recovered = body |
| 143 | found = true |
| 144 | continue |
| 145 | } |
| 146 | if recovered != body { |
| 147 | ambiguous = true |
| 148 | break |
| 149 | } |
| 150 | } |
| 151 | if ambiguous { |
| 152 | break |
| 153 | } |
| 154 | } |
| 155 | if found && !ambiguous { |
| 156 | sent = strings.ReplaceAll(sent, label, renderFoldedPasteBlock(pastedBlock{ |
| 157 | label: label, |
| 158 | text: recovered, |
| 159 | })) |
| 160 | } |
| 161 | } |
| 162 | return sent |
| 163 | } |
| 164 | |
| 165 | func expandedPasteBodies(content, label string) []string { |
| 166 | expectedLines, ok := foldedPasteLineCount(label) |
| 167 | if !ok { |
| 168 | return nil |
| 169 | } |
| 170 | beginMarker := "--- Begin " + label + " ---" |
| 171 | endMarker := "\n--- End " + label + " ---" |
| 172 | var bodies []string |
| 173 | for searchFrom := 0; searchFrom < len(content); { |
| 174 | beginOffset := strings.Index(content[searchFrom:], beginMarker) |
| 175 | if beginOffset < 0 { |
| 176 | break |
| 177 | } |
| 178 | bodyStart := searchFrom + beginOffset + len(beginMarker) |
| 179 | if bodyStart >= len(content) || content[bodyStart] != '\n' { |
| 180 | searchFrom = bodyStart |
| 181 | continue |
| 182 | } |
| 183 | bodyStart++ |
| 184 | endSearchFrom := bodyStart |
| 185 | foundEnd := false |
| 186 | for endSearchFrom < len(content) { |
| 187 | endOffset := strings.Index(content[endSearchFrom:], endMarker) |
| 188 | if endOffset < 0 { |
| 189 | break |
| 190 | } |
| 191 | bodyEnd := endSearchFrom + endOffset |
| 192 | searchFrom = bodyEnd + len(endMarker) |
| 193 | body := content[bodyStart:bodyEnd] |
| 194 | if body != "" && pastedLineCount(body) == expectedLines { |
| 195 | bodies = append(bodies, body) |
| 196 | foundEnd = true |
| 197 | break |
| 198 | } |
| 199 | endSearchFrom = searchFrom |
| 200 | } |
| 201 | if !foundEnd { |
| 202 | break |
| 203 | } |
| 204 | } |
| 205 | return bodies |
| 206 | } |
| 207 | |
| 208 | func foldedPasteLineCount(label string) (int, bool) { |
| 209 | match := foldedPasteLabelRe.FindStringSubmatch(label) |
| 210 | if len(match) < 3 || match[0] != label { |
| 211 | return 0, false |
| 212 | } |
| 213 | lines, err := strconv.Atoi(match[2]) |
| 214 | if err != nil || lines < 1 { |
| 215 | return 0, false |
| 216 | } |
| 217 | return lines, true |
| 218 | } |
| 219 | |
| 220 | // nextPasteIDForHistory prevents labels from being reused after resume or |
| 221 | // restart. Older sessions may contain duplicate legacy IDs; starting above the |
| 222 | // maximum keeps every newly created label unambiguous. |
| 223 | func nextPasteIDForHistory(history []provider.Message) int { |
| 224 | next, _ := pasteIDStateForHistory(history) |
| 225 | return next |
| 226 | } |
| 227 | |
| 228 | func pasteIDStateForHistory(history []provider.Message) (int, map[int]struct{}) { |
| 229 | next := 1 |
| 230 | used := make(map[int]struct{}) |
| 231 | for _, msg := range history { |
| 232 | for _, match := range foldedPasteLabelRe.FindAllStringSubmatch(msg.Content, -1) { |
| 233 | if len(match) < 2 { |
| 234 | continue |
| 235 | } |
| 236 | id, err := strconv.Atoi(match[1]) |
| 237 | if err != nil || id < 1 { |
| 238 | continue |
| 239 | } |
| 240 | used[id] = struct{}{} |
| 241 | if id >= next && id < math.MaxInt { |
| 242 | next = id + 1 |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | return next, used |
| 247 | } |
| 248 | |
| 249 | func (m *chatTUI) takeNextPasteID() int { |
| 250 | if m.ctrl != nil { |
| 251 | m.syncPasteIDStateFromHistory(m.ctrl.History()) |
| 252 | } |
| 253 | candidate := max(m.nextPasteID, 1) |
| 254 | if m.usedPasteIDs == nil { |
| 255 | m.usedPasteIDs = make(map[int]struct{}) |
| 256 | } |
| 257 | for { |
| 258 | if _, used := m.usedPasteIDs[candidate]; !used { |
| 259 | m.usedPasteIDs[candidate] = struct{}{} |
| 260 | if candidate == math.MaxInt { |
| 261 | m.nextPasteID = 1 |
| 262 | } else { |
| 263 | m.nextPasteID = candidate + 1 |
| 264 | } |
| 265 | return candidate |
| 266 | } |
| 267 | if candidate == math.MaxInt { |
| 268 | candidate = 1 |
| 269 | } else { |
| 270 | candidate++ |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | func (m *chatTUI) syncPasteIDStateFromHistory(history []provider.Message) { |
| 276 | next, used := pasteIDStateForHistory(history) |
| 277 | if m.usedPasteIDs == nil { |
| 278 | m.usedPasteIDs = make(map[int]struct{}, len(used)) |
| 279 | } |
| 280 | for id := range used { |
| 281 | m.usedPasteIDs[id] = struct{}{} |
| 282 | } |
| 283 | if m.nextPasteID < 1 || next > m.nextPasteID { |
| 284 | m.nextPasteID = next |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | func (m *chatTUI) pasteLabelsIn(s string) []string { |
| 289 | var labels []string |
| 290 | for _, block := range m.pastedBlocks { |
| 291 | if strings.Contains(s, block.label) { |
| 292 | labels = append(labels, block.label) |
| 293 | } |
| 294 | } |
| 295 | return labels |
| 296 | } |
| 297 | |
| 298 | func (m *chatTUI) clearSubmittedPastes() { |
| 299 | if len(m.pendingPastes) == 0 { |
| 300 | return |
| 301 | } |
| 302 | submitted := make(map[string]bool, len(m.pendingPastes)) |
| 303 | for _, label := range m.pendingPastes { |
| 304 | submitted[label] = true |
| 305 | } |
| 306 | kept := m.pastedBlocks[:0] |
| 307 | for _, block := range m.pastedBlocks { |
| 308 | if !submitted[block.label] { |
| 309 | kept = append(kept, block) |
| 310 | } |
| 311 | } |
| 312 | m.pastedBlocks = kept |
| 313 | m.pendingPastes = nil |
| 314 | } |
| 315 | |
| 316 | // applyComposerPaste owns both terminal bracketed pastes and text read from the |
| 317 | // native clipboard. Only terminal events advance terminalPasteSeq: replaying an |
| 318 | // internal clipboard result must not make another in-flight Ctrl+V look as if |
| 319 | // the terminal already handled it. |
| 320 | func (m chatTUI) applyComposerPaste(msg tea.PasteMsg, terminal bool) (tea.Model, tea.Cmd) { |
| 321 | return m.applyComposerPasteCount(msg, terminal, 1) |
| 322 | } |
| 323 | |
| 324 | func (m chatTUI) applyComposerPasteCount(msg tea.PasteMsg, terminal bool, count int) (tea.Model, tea.Cmd) { |
| 325 | if terminal { |
| 326 | m.terminalPasteSeq++ |
| 327 | } |
| 328 | // Credential input owns all paste delivery, including native clipboard |
| 329 | // completions. Never let a secret fall through into the hidden composer. |
| 330 | if m.setup != nil { |
| 331 | if !m.setup.saving && !strings.ContainsAny(msg.Content, "\r\n") { |
| 332 | m.setup.invalidateTest() |
| 333 | m.setup.key += strings.Repeat(msg.Content, count) |
| 334 | } |
| 335 | return m, nil |
| 336 | } |
| 337 | var cmds []tea.Cmd |
| 338 | for range count { |
| 339 | cmds = append(cmds, m.applyComposerPasteOnce(msg)...) |
| 340 | } |
| 341 | return m, finalize(m, cmds) |
| 342 | } |
| 343 | |
| 344 | func (m *chatTUI) applyComposerPasteOnce(msg tea.PasteMsg) []tea.Cmd { |
| 345 | m.followComposerCursor() |
| 346 | pasteBefore := m.input.Value() |
| 347 | var cmds []tea.Cmd |
| 348 | if m.state != tuiRunning && m.attachPastedImages(msg.Content) { |
| 349 | if shouldClearWideInputChange(pasteBefore, m.input.Value()) { |
| 350 | cmds = append(cmds, tea.ClearScreen) |
| 351 | } |
| 352 | return cmds |
| 353 | } |
| 354 | if m.validComposerSelection() && !m.composerSel.empty() { |
| 355 | m.deleteComposerSelection() |
| 356 | } |
| 357 | if ref, ok := pastedFileRef(msg.Content); ok { |
| 358 | m.input.InsertString(ref + " ") |
| 359 | m.growInputToFit() |
| 360 | m.updateCompletion() |
| 361 | if shouldClearWideInputChange(pasteBefore, m.input.Value()) { |
| 362 | cmds = append(cmds, tea.ClearScreen) |
| 363 | } |
| 364 | return cmds |
| 365 | } |
| 366 | if !m.chooserTyping() && m.pendingApproval == nil && m.rewind == nil && m.resumePick == nil && m.mcp == nil && m.clearConfirm == nil && m.mcpImport == nil && m.skillPick == nil && m.shouldFoldPaste(msg.Content) { |
| 367 | m.insertFoldedPaste(msg.Content) |
| 368 | m.growInputToFit() |
| 369 | m.updateCompletion() |
| 370 | if shouldClearWideInputChange(pasteBefore, m.input.Value()) { |
| 371 | cmds = append(cmds, tea.ClearScreen) |
| 372 | } |
| 373 | return cmds |
| 374 | } |
| 375 | |
| 376 | var inputCmd tea.Cmd |
| 377 | m.input, inputCmd = m.input.Update(msg) |
| 378 | cmds = append(cmds, inputCmd) |
| 379 | m.growInputToFit() |
| 380 | if shouldClearWideInputChange(pasteBefore, m.input.Value()) { |
| 381 | cmds = append(cmds, tea.ClearScreen) |
| 382 | } |
| 383 | return cmds |
| 384 | } |
| 385 | |
| 386 | var readClipboardImage = control.SaveClipboardImage |
| 387 | |
| 388 | func pasteClipboardImage() tea.Cmd { |
| 389 | return func() tea.Msg { |
| 390 | path, err := readClipboardImage() |
| 391 | return clipboardImageMsg{path: path, err: err} |
| 392 | } |
| 393 | } |
| 394 | |
| 395 | type clipboardTextPasteMsg struct { |
| 396 | text string |
| 397 | err error |
| 398 | imageErr error |
| 399 | remote bool |
| 400 | terminalPasteSeq uint64 |
| 401 | pending int |
| 402 | } |
| 403 | |
| 404 | // handleClipboardTextPaste applies the guarded native text read that backs a |
| 405 | // keyboard paste on terminals without bracketed-paste delivery, including the |
| 406 | // image-probe fallback. A fallback that reads neither text nor a supported |
| 407 | // image surfaces a notice instead of failing silently (#8377). |
| 408 | func (m chatTUI) handleClipboardTextPaste(msg clipboardTextPasteMsg) (tea.Model, tea.Cmd) { |
| 409 | count := 1 |
| 410 | if msg.pending > 0 { |
| 411 | count = pendingClipboardTextPastes(msg.pending, msg.terminalPasteSeq, m.terminalPasteSeq) |
| 412 | if count == 0 { |
| 413 | return m, nil |
| 414 | } |
| 415 | } |
| 416 | if msg.remote { |
| 417 | m.notice(i18n.M.ClipboardTextPasteRemoteHint) |
| 418 | return m, nil |
| 419 | } |
| 420 | if msg.err != nil { |
| 421 | m.notice(fmt.Sprintf(i18n.M.ClipboardTextPasteFailedFmt, sanitizeExternalDisplayText(msg.err.Error()))) |
| 422 | return m, nil |
| 423 | } |
| 424 | if msg.text == "" { |
| 425 | if msg.pending > 0 { |
| 426 | if errors.Is(msg.imageErr, control.ErrUnsupportedClipboardImage) { |
| 427 | m.notice(fmt.Sprintf(i18n.M.ClipboardImagePasteFailedFmt, sanitizeExternalDisplayText(msg.imageErr.Error()))) |
| 428 | } else { |
| 429 | m.notice(i18n.M.ClipboardPasteEmptyNotice) |
| 430 | } |
| 431 | } |
| 432 | return m, nil |
| 433 | } |
| 434 | return m.applyComposerPasteCount(tea.PasteMsg{Content: msg.text}, false, count) |
| 435 | } |
| 436 | |
| 437 | var readNativeClipboardText = clipboard.ReadAll |
| 438 | |
| 439 | // pasteClipboardText backs the captured-mouse right-click path. Keyboard text |
| 440 | // paste still arrives from the terminal as a bracketed tea.PasteMsg; this read |
| 441 | // is deliberately text-only so right-click never probes for an image first. |
| 442 | func pasteClipboardText() tea.Cmd { |
| 443 | return pasteClipboardTextGuarded(0, 0, nil) |
| 444 | } |
| 445 | |
| 446 | func pasteClipboardTextGuarded(terminalPasteSeq uint64, pending int, imageErr error) tea.Cmd { |
| 447 | return func() tea.Msg { |
| 448 | msg := clipboardTextPasteMsg{imageErr: imageErr, terminalPasteSeq: terminalPasteSeq, pending: pending} |
| 449 | if remoteClipboardSession() { |
| 450 | msg.remote = true |
| 451 | return msg |
| 452 | } |
| 453 | msg.text, msg.err = readNativeClipboardText() |
| 454 | return msg |
| 455 | } |
| 456 | } |
| 457 | |
| 458 | func imagePasteShortcut(keyName, goos string) bool { |
| 459 | if goos == "windows" { |
| 460 | return keyName == "alt+v" |
| 461 | } |
| 462 | return keyName == "ctrl+v" |
| 463 | } |
| 464 | |
| 465 | func (m *chatTUI) beginClipboardImagePaste() tea.Cmd { |
| 466 | m.clipboardImageRequests++ |
| 467 | if m.clipboardImagePending { |
| 468 | return nil |
| 469 | } |
| 470 | m.clipboardImagePending = true |
| 471 | m.clipboardImageTerminalPasteSeq = m.terminalPasteSeq |
| 472 | return pasteClipboardImage() |
| 473 | } |
| 474 | |
| 475 | func pendingClipboardTextPastes(requests int, startedAt, current uint64) int { |
| 476 | if requests <= 0 { |
| 477 | return 0 |
| 478 | } |
| 479 | delivered := current - startedAt |
| 480 | if delivered >= uint64(requests) { |
| 481 | return 0 |
| 482 | } |
| 483 | return requests - int(delivered) |
| 484 | } |
| 485 | |
| 486 | var ( |
| 487 | readTmuxPasteBuffer = readTmuxBuffer |
| 488 | readPrimaryPasteSelection = readPrimarySelection |
| 489 | newPasteCommand = exec.Command |
| 490 | ) |
| 491 | |
| 492 | // pasteMiddleClick returns a tea.Cmd that reads from the selection owner for the |
| 493 | // current terminal environment and sends the result through the canonical paste |
| 494 | // path. tmux normally owns middle-click and pastes its current buffer, but forwards |
| 495 | // the event when an application enables mouse reporting; honor that same contract |
| 496 | // here instead of unexpectedly switching to the desktop PRIMARY selection. |
| 497 | func pasteMiddleClick() tea.Cmd { |
| 498 | return func() tea.Msg { |
| 499 | if os.Getenv("TMUX") != "" { |
| 500 | text, err := readTmuxPasteBuffer() |
| 501 | if err != nil || text == "" { |
| 502 | return nil |
| 503 | } |
| 504 | return tea.PasteMsg{Content: text} |
| 505 | } |
| 506 | if remoteClipboardSession() { |
| 507 | return clipboardTextPasteMsg{remote: true} |
| 508 | } |
| 509 | text, err := readPrimaryPasteSelection() |
| 510 | if err != nil || text == "" { |
| 511 | return nil |
| 512 | } |
| 513 | return tea.PasteMsg{Content: text} |
| 514 | } |
| 515 | } |
| 516 | |
| 517 | // readTmuxBuffer retrieves the current tmux buffer verbatim. The inherited TMUX |
| 518 | // environment variable identifies the correct server socket, just as the tmux |
| 519 | // client command does for an interactive shell inside the pane. |
| 520 | func readTmuxBuffer() (string, error) { |
| 521 | cmd := newPasteCommand("tmux", "save-buffer", "-") |
| 522 | cmd.Env = secrets.ProcessEnv() |
| 523 | out, err := cmd.Output() |
| 524 | if err != nil { |
| 525 | return "", fmt.Errorf("read tmux paste buffer: %w", err) |
| 526 | } |
| 527 | return string(out), nil |
| 528 | } |
| 529 | |
| 530 | // readPrimarySelection attempts to retrieve text from the PRIMARY selection by |
| 531 | // trying wl-paste (Wayland), xclip (X11), and xsel (X11) in order. |
| 532 | func readPrimarySelection() (string, error) { |
| 533 | // Match the order used by SaveClipboardImage: Wayland tool first, then X11. |
| 534 | for _, args := range [][]string{ |
| 535 | {"wl-paste", "--primary", "--type", "text", "--no-newline"}, |
| 536 | {"xclip", "-selection", "primary", "-o"}, |
| 537 | {"xsel", "--output", "--primary"}, |
| 538 | } { |
| 539 | cmd := newPasteCommand(args[0], args[1:]...) |
| 540 | cmd.Env = secrets.ProcessEnv() |
| 541 | out, err := cmd.Output() |
| 542 | if err == nil { |
| 543 | return string(out), nil |
| 544 | } |
| 545 | } |
| 546 | return "", fmt.Errorf("no primary selection tool found (need wl-paste, xclip, or xsel)") |
| 547 | } |
| 548 | |
| 549 | func (m *chatTUI) attachPastedImages(text string) bool { |
| 550 | sources, ok := pastedImageSources(text) |
| 551 | if !ok { |
| 552 | return false |
| 553 | } |
| 554 | attached := false |
| 555 | for _, src := range sources { |
| 556 | path, err := savePastedImageSource(src) |
| 557 | if err != nil { |
| 558 | m.notice("paste image: " + err.Error()) |
| 559 | continue |
| 560 | } |
| 561 | m.insertImageRef(path) |
| 562 | attached = true |
| 563 | } |
| 564 | if !attached && m.validComposerSelection() && !m.composerSel.empty() { |
| 565 | // A failed attachment must not replace an active selection. The notice |
| 566 | // above explains the failure; callers otherwise fall back to text paste. |
| 567 | return true |
| 568 | } |
| 569 | return attached |
| 570 | } |
| 571 | |
| 572 | var markdownImageSourceRe = regexp.MustCompile(`!\[[^\]]*\]\(([^)]+)\)`) |
| 573 | |
| 574 | type pastedImageSource struct { |
| 575 | value string |
| 576 | shellDecoded bool |
| 577 | } |
| 578 | |
| 579 | func pastedImageSources(text string) ([]pastedImageSource, bool) { |
| 580 | return pastedImageSourcesForOS(text, runtime.GOOS) |
| 581 | } |
| 582 | |
| 583 | func pastedImageSourcesForOS(text, goos string) ([]pastedImageSource, bool) { |
| 584 | trimmed := strings.TrimSpace(text) |
| 585 | if trimmed == "" { |
| 586 | return nil, false |
| 587 | } |
| 588 | if isDataImage(trimmed) { |
| 589 | return []pastedImageSource{{value: trimmed}}, true |
| 590 | } |
| 591 | if matches := markdownImageSourceRe.FindAllStringSubmatch(trimmed, -1); len(matches) > 0 { |
| 592 | rest := strings.TrimSpace(markdownImageSourceRe.ReplaceAllString(trimmed, "")) |
| 593 | if rest == "" { |
| 594 | sources := make([]pastedImageSource, 0, len(matches)) |
| 595 | for _, m := range matches { |
| 596 | sources = append(sources, pastedImageSource{value: m[1]}) |
| 597 | } |
| 598 | return sources, true |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | lines := nonEmptyPasteLines(trimmed) |
| 603 | lineSources := rawPastedImageSources(lines) |
| 604 | if len(lines) > 0 && allImageSources(lineSources, goos) { |
| 605 | return lineSources, true |
| 606 | } |
| 607 | fields := splitPastePathTokens(trimmed) |
| 608 | fieldSources := rawPastedImageSources(fields) |
| 609 | if len(fields) > 1 && allImageSources(fieldSources, goos) { |
| 610 | return fieldSources, true |
| 611 | } |
| 612 | if staticFields, malformed := shellparse.StaticFields(trimmed); malformed == "" && len(staticFields) > 1 { |
| 613 | sources := make([]pastedImageSource, 0, len(staticFields)) |
| 614 | for _, field := range staticFields { |
| 615 | sources = append(sources, pastedImageSource{value: field, shellDecoded: true}) |
| 616 | } |
| 617 | if allImageSources(sources, goos) { |
| 618 | return sources, true |
| 619 | } |
| 620 | } |
| 621 | return nil, false |
| 622 | } |
| 623 | |
| 624 | func rawPastedImageSources(values []string) []pastedImageSource { |
| 625 | sources := make([]pastedImageSource, 0, len(values)) |
| 626 | for _, value := range values { |
| 627 | sources = append(sources, pastedImageSource{value: value}) |
| 628 | } |
| 629 | return sources |
| 630 | } |
| 631 | |
| 632 | // splitPastePathTokens splits pasted text into path tokens the way a shell |
| 633 | // would hand them to a program: unescaped, unquoted whitespace separates |
| 634 | // tokens, while backslash escapes and token-leading quotes keep a path with |
| 635 | // spaces together. Tokens keep their original escapes/quotes so each one |
| 636 | // round-trips through pastedImagePath. Quotes only open at the start of a |
| 637 | // token, so an apostrophe inside a word ("it's") never swallows the rest of |
| 638 | // the text. |
| 639 | func splitPastePathTokens(s string) []string { |
| 640 | var tokens []string |
| 641 | var b strings.Builder |
| 642 | var quote byte |
| 643 | escaped := false |
| 644 | flush := func() { |
| 645 | if b.Len() > 0 { |
| 646 | tokens = append(tokens, b.String()) |
| 647 | b.Reset() |
| 648 | } |
| 649 | } |
| 650 | for i := range len(s) { |
| 651 | ch := s[i] |
| 652 | switch { |
| 653 | case escaped: |
| 654 | b.WriteByte(ch) |
| 655 | escaped = false |
| 656 | case quote != 0: |
| 657 | b.WriteByte(ch) |
| 658 | if ch == quote { |
| 659 | quote = 0 |
| 660 | } |
| 661 | case ch == '\\': |
| 662 | b.WriteByte(ch) |
| 663 | escaped = true |
| 664 | case (ch == '\'' || ch == '"') && b.Len() == 0: |
| 665 | b.WriteByte(ch) |
| 666 | quote = ch |
| 667 | case ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n': |
| 668 | flush() |
| 669 | default: |
| 670 | b.WriteByte(ch) |
| 671 | } |
| 672 | } |
| 673 | flush() |
| 674 | return tokens |
| 675 | } |
| 676 | |
| 677 | func nonEmptyPasteLines(text string) []string { |
| 678 | var out []string |
| 679 | for line := range strings.SplitSeq(strings.ReplaceAll(text, "\r\n", "\n"), "\n") { |
| 680 | line = strings.TrimSpace(line) |
| 681 | if line != "" { |
| 682 | out = append(out, line) |
| 683 | } |
| 684 | } |
| 685 | return out |
| 686 | } |
| 687 | |
| 688 | func allImageSources(sources []pastedImageSource, goos string) bool { |
| 689 | if len(sources) == 0 { |
| 690 | return false |
| 691 | } |
| 692 | for _, src := range sources { |
| 693 | if !looksLikeImageSource(src, goos) { |
| 694 | return false |
| 695 | } |
| 696 | } |
| 697 | return true |
| 698 | } |
| 699 | |
| 700 | func looksLikeImageSource(src pastedImageSource, goos string) bool { |
| 701 | if isDataImage(strings.TrimSpace(src.value)) { |
| 702 | return true |
| 703 | } |
| 704 | for _, path := range pastedPathCandidates(src.value, goos, src.shellDecoded) { |
| 705 | switch strings.ToLower(filepath.Ext(path)) { |
| 706 | case ".png", ".jpg", ".jpeg", ".gif", ".webp": |
| 707 | return true |
| 708 | } |
| 709 | } |
| 710 | return false |
| 711 | } |
| 712 | |
| 713 | func savePastedImageSource(src pastedImageSource) (string, error) { |
| 714 | value := strings.TrimSpace(src.value) |
| 715 | if isDataImage(value) { |
| 716 | return control.SaveImageDataURL(value) |
| 717 | } |
| 718 | var lastErr error |
| 719 | for _, path := range pastedPathCandidates(value, runtime.GOOS, src.shellDecoded) { |
| 720 | if !looksLikeImagePath(path) { |
| 721 | continue |
| 722 | } |
| 723 | saved, err := control.SaveImageFile(path) |
| 724 | if err == nil { |
| 725 | return saved, nil |
| 726 | } |
| 727 | lastErr = err |
| 728 | } |
| 729 | if lastErr != nil { |
| 730 | return "", lastErr |
| 731 | } |
| 732 | return "", fmt.Errorf("unsupported pasted image source") |
| 733 | } |
| 734 | |
| 735 | func looksLikeImagePath(path string) bool { |
| 736 | switch strings.ToLower(filepath.Ext(path)) { |
| 737 | case ".png", ".jpg", ".jpeg", ".gif", ".webp": |
| 738 | return true |
| 739 | default: |
| 740 | return false |
| 741 | } |
| 742 | } |
| 743 | |
| 744 | func isDataImage(src string) bool { |
| 745 | return strings.HasPrefix(strings.ToLower(strings.TrimSpace(src)), "data:image/") |
| 746 | } |
| 747 | |
| 748 | // pastedImagePathForOS returns the preferred syntactic candidate with the OS |
| 749 | // injected so platform-specific path handling is testable everywhere. |
| 750 | func pastedImagePathForOS(src, goos string) (string, bool) { |
| 751 | candidates := pastedPathCandidates(src, goos, false) |
| 752 | if len(candidates) == 0 { |
| 753 | return "", false |
| 754 | } |
| 755 | return candidates[0], true |
| 756 | } |
| 757 | |
| 758 | func hasUnescapedPathWhitespace(s string) bool { |
| 759 | escaped := false |
| 760 | for i := range len(s) { |
| 761 | ch := s[i] |
| 762 | if escaped { |
| 763 | escaped = false |
| 764 | continue |
| 765 | } |
| 766 | if ch == '\\' { |
| 767 | escaped = true |
| 768 | continue |
| 769 | } |
| 770 | if ch == ' ' || ch == '\t' || ch == '\r' || ch == '\n' { |
| 771 | return true |
| 772 | } |
| 773 | } |
| 774 | return false |
| 775 | } |
| 776 | |
| 777 | // unescapeShellPath applies POSIX backslash semantics to an unquoted pasted |
| 778 | // path: a backslash makes the next byte literal, whatever it is — zsh and |
| 779 | // bash escape any byte they consider special that way (space, parens, ^, |
| 780 | // comma, $, ...), so a whitelist would always lag behind. A trailing |
| 781 | // backslash stays literal. Quoted paths and Windows paths never reach here. |
| 782 | func unescapeShellPath(s string) string { |
| 783 | var b strings.Builder |
| 784 | b.Grow(len(s)) |
| 785 | for i := 0; i < len(s); i++ { |
| 786 | if s[i] == '\\' && i+1 < len(s) { |
| 787 | i++ |
| 788 | } |
| 789 | b.WriteByte(s[i]) |
| 790 | } |
| 791 | return b.String() |
| 792 | } |
| 793 | |
| 794 | // pastedFileRef turns a dragged/pasted non-image file path into an @reference so |
| 795 | // it attaches instead of landing as literal text (and, for a POSIX path, being |
| 796 | // misread as a slash command). Images are handled earlier; only path-shaped |
| 797 | // content (a separator) that points at a real file qualifies, so an ordinary |
| 798 | // pasted word is left alone. Whitespace in the path is escaped so the ref |
| 799 | // survives @-token parsing on submit. |
| 800 | func pastedFileRef(content string) (string, bool) { |
| 801 | path, ok := resolveExistingPastedPath(content, runtime.GOOS, false, pastedPathExists) |
| 802 | if !ok || !strings.ContainsAny(path, `/\`) { |
| 803 | return "", false |
| 804 | } |
| 805 | return "@" + control.EscapeRefPath(path), true |
| 806 | } |
| 807 |