| 1 | import fs from 'fs' |
| 2 | import * as cheerio from 'cheerio' |
| 3 | import type { AnyNode } from 'domhandler' |
| 4 | import { SLIDE_SIZE_PRESETS, type SlideSizePreset } from '@shared/slide-size' |
| 5 | import { |
| 6 | isPlaceholderPageHtml, |
| 7 | normalizeLegacyDataAnimAttributes, |
| 8 | validateHtmlContent, |
| 9 | validatePersistedPageHtml |
| 10 | } from './html-utils' |
| 11 | import { |
| 12 | parseChartHeightClass, |
| 13 | resolveChartHeightFromNearbyComment |
| 14 | } from './chart-height' |
| 15 | import { normalizeCreativePageFragment } from './page-fragment-normalizer' |
| 16 | import { extractRemoteRuntimeResources } from './resource-policy' |
| 17 | import { buildFontHeadTags } from '../fonts/font-registry' |
| 18 | import { buildSessionAssetHeadTags } from '../assets/page-assets' |
| 19 | import { validateTemplateSkeletonPreserved } from '../templates/template-skeleton-validator' |
| 20 | import { serializedWrite } from './write-serialization' |
| 21 | import { |
| 22 | buildBasePageStyleTag, |
| 23 | buildFitScript, |
| 24 | DEFAULT_MOTION_SCRIPT, |
| 25 | VIDEO_INTERACTION_SCRIPT |
| 26 | } from './page-shell' |
| 27 | import { buildMasterStyleLink } from './master-link' |
| 28 | |
| 29 | export { |
| 30 | buildBasePageStyleTag, |
| 31 | buildFitScript, |
| 32 | DEFAULT_MOTION_SCRIPT, |
| 33 | VIDEO_INTERACTION_SCRIPT |
| 34 | } from './page-shell' |
| 35 | |
| 36 | function extractBackgroundStyle(styleAttr: string): string { |
| 37 | const declarations = styleAttr |
| 38 | .split(';') |
| 39 | .map((item) => item.trim()) |
| 40 | .filter(Boolean) |
| 41 | const kept = declarations.filter((decl) => { |
| 42 | const normalized = decl.toLowerCase().replace(/\s+/g, ' ') |
| 43 | return ( |
| 44 | normalized.startsWith('background:') || |
| 45 | normalized.startsWith('background-color:') || |
| 46 | normalized.startsWith('background-image:') |
| 47 | ) |
| 48 | }) |
| 49 | return kept.join('; ') |
| 50 | } |
| 51 | |
| 52 | function isBackgroundUtilityClass(cls: string): boolean { |
| 53 | const base = cls.split(':').pop() || cls |
| 54 | return ( |
| 55 | base.startsWith('bg-') || |
| 56 | base.startsWith('from-') || |
| 57 | base.startsWith('via-') || |
| 58 | base.startsWith('to-') |
| 59 | ) |
| 60 | } |
| 61 | |
| 62 | export function syncRootBackgroundFromScaffold(html: string): string { |
| 63 | try { |
| 64 | const $ = cheerio.load(html, { scriptingEnabled: false }) |
| 65 | const root = $('.ppt-page-root[data-ppt-guard-root="1"]').first() |
| 66 | if (!root.length) return html |
| 67 | |
| 68 | const scaffold = root.find('[data-page-scaffold="1"]').first() |
| 69 | if (!scaffold.length) return html |
| 70 | |
| 71 | const rootClassRaw = (root.attr('class') || '').trim() |
| 72 | const rootClasses = rootClassRaw.split(/\s+/).filter(Boolean) |
| 73 | const rootHasBgClass = rootClasses.some((cls) => isBackgroundUtilityClass(cls)) |
| 74 | |
| 75 | if (!rootHasBgClass) { |
| 76 | const scaffoldClassRaw = (scaffold.attr('class') || '').trim() |
| 77 | const scaffoldBgClasses = scaffoldClassRaw |
| 78 | .split(/\s+/) |
| 79 | .filter(Boolean) |
| 80 | .filter((cls) => isBackgroundUtilityClass(cls)) |
| 81 | if (scaffoldBgClasses.length > 0) { |
| 82 | const classSet = new Set(rootClasses) |
| 83 | for (const cls of scaffoldBgClasses) classSet.add(cls) |
| 84 | root.attr('class', Array.from(classSet).join(' ')) |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | const rootStyleRaw = (root.attr('style') || '').trim() |
| 89 | const rootBgStyle = extractBackgroundStyle(rootStyleRaw) |
| 90 | if (!rootBgStyle) { |
| 91 | const scaffoldStyleRaw = (scaffold.attr('style') || '').trim() |
| 92 | const scaffoldBgStyle = extractBackgroundStyle(scaffoldStyleRaw) |
| 93 | if (scaffoldBgStyle) { |
| 94 | const finalStyle = [rootStyleRaw, scaffoldBgStyle].filter(Boolean).join('; ') |
| 95 | root.attr('style', finalStyle) |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | return $.html() |
| 100 | } catch { |
| 101 | return html |
| 102 | } |
| 103 | } |
| 104 | |
| 105 | const PRESET_DIMENSIONS_PATTERN = Array.from( |
| 106 | new Set(SLIDE_SIZE_PRESETS.flatMap((preset) => [preset.width, preset.height])) |
| 107 | ).join('|') |
| 108 | const PRESET_ASPECTS_PATTERN = SLIDE_SIZE_PRESETS.flatMap((preset) => [ |
| 109 | `${preset.width}\\/${preset.height}`, |
| 110 | preset.id === 'wide-16-9' |
| 111 | ? '16\\/9' |
| 112 | : preset.id === 'vertical-9-16' |
| 113 | ? '9\\/16' |
| 114 | : preset.id === 'standard-4-3' |
| 115 | ? '4\\/3' |
| 116 | : preset.id === 'square-1-1' |
| 117 | ? '1\\/1' |
| 118 | : '3\\/4' |
| 119 | ]).join('|') |
| 120 | |
| 121 | const CANVAS_LOCK_CLASS_PATTERNS = [ |
| 122 | new RegExp( |
| 123 | `^(w|h|min-w|min-h|max-w|max-h)-\\[(?:(?:${PRESET_DIMENSIONS_PATTERN})px|100vw|100vh|100dvw|100dvh)\\]$`, |
| 124 | 'i' |
| 125 | ), |
| 126 | /^(w|h|min-w|min-h|max-w|max-h)-screen$/i, |
| 127 | new RegExp(`^aspect-\\[(?:${PRESET_ASPECTS_PATTERN})\\]$`, 'i'), |
| 128 | new RegExp(`^size-\\[(?:${PRESET_DIMENSIONS_PATTERN})px\\]$`, 'i') |
| 129 | ] |
| 130 | |
| 131 | function stripCanvasLockClasses(classAttr: string): string { |
| 132 | const classes = classAttr.split(/\s+/).filter(Boolean) |
| 133 | const kept = classes.filter( |
| 134 | (cls) => !CANVAS_LOCK_CLASS_PATTERNS.some((pattern) => pattern.test(cls)) |
| 135 | ) |
| 136 | return kept.join(' ') |
| 137 | } |
| 138 | |
| 139 | function stripCanvasInlineSizes(styleAttr: string): string { |
| 140 | const declarations = styleAttr |
| 141 | .split(';') |
| 142 | .map((item) => item.trim()) |
| 143 | .filter(Boolean) |
| 144 | const kept = declarations.filter((decl) => { |
| 145 | const normalized = decl.toLowerCase().replace(/\s+/g, ' ') |
| 146 | const dimensionValuePattern = `(?:${PRESET_DIMENSIONS_PATTERN})px` |
| 147 | if ( |
| 148 | new RegExp( |
| 149 | `^(width|min-width|max-width): (${dimensionValuePattern}|100vw|100dvw)$` |
| 150 | ).test(normalized) |
| 151 | ) |
| 152 | return false |
| 153 | if ( |
| 154 | new RegExp( |
| 155 | `^(height|min-height|max-height): (${dimensionValuePattern}|100vh|100dvh)$` |
| 156 | ).test(normalized) |
| 157 | ) |
| 158 | return false |
| 159 | return true |
| 160 | }) |
| 161 | return kept.join('; ') |
| 162 | } |
| 163 | |
| 164 | const CHART_FRAME_DEFAULT_HEIGHT_CLASS = 'h-[240px]' |
| 165 | |
| 166 | function splitClassNames(classRaw: string): string[] { |
| 167 | return classRaw |
| 168 | .split(/\s+/) |
| 169 | .map((cls) => cls.trim()) |
| 170 | .filter(Boolean) |
| 171 | } |
| 172 | |
| 173 | function classBaseName(cls: string): string { |
| 174 | return cls.split(':').pop() || cls |
| 175 | } |
| 176 | |
| 177 | function isChartCanvasLayoutClass(cls: string): boolean { |
| 178 | const base = classBaseName(cls) |
| 179 | return base === 'flex-1' || /^h-/.test(base) || /^min-h-/.test(base) || /^max-h-/.test(base) |
| 180 | } |
| 181 | |
| 182 | function isMarginUtilityClass(cls: string): boolean { |
| 183 | return /^-?m[trblxy]?-[^\s]+$/.test(classBaseName(cls)) |
| 184 | } |
| 185 | |
| 186 | function hasFixedChartHeightClass(classes: Iterable<string>): boolean { |
| 187 | return Array.from(classes).some((cls) => parseChartHeightClass(classBaseName(cls)) !== null) |
| 188 | } |
| 189 | |
| 190 | function isUnstableChartFrameLayoutClass(cls: string): boolean { |
| 191 | const base = classBaseName(cls) |
| 192 | return ( |
| 193 | base === 'flex-1' || |
| 194 | (/^h-/.test(base) && parseChartHeightClass(base) === null) || |
| 195 | /^min-h-/.test(base) || |
| 196 | /^max-h-/.test(base) |
| 197 | ) |
| 198 | } |
| 199 | |
| 200 | function hasFixedChartHeightStyle(styleRaw: string): boolean { |
| 201 | return /(?:^|;)\s*height\s*:\s*(?!\s*(?:auto|0(?:px|rem|em|%)?|100%|inherit|initial|unset)\b)[^;]+/i.test( |
| 202 | styleRaw |
| 203 | ) |
| 204 | } |
| 205 | |
| 206 | function resolveChartFrameHeightClassFromNearbyComment( |
| 207 | parent: cheerio.Cheerio<AnyNode> |
| 208 | ): string | null { |
| 209 | const height = resolveChartHeightFromNearbyComment(parent) |
| 210 | return height === null ? null : `h-[${height}px]` |
| 211 | } |
| 212 | |
| 213 | /** |
| 214 | * Merged single-pass cheerio preprocessing: canvas lock styles, chart stabilization, |
| 215 | * and unsafe hidden states. Replaces 3 separate cheerio.load calls with one. |
| 216 | */ |
| 217 | export function preprocessPageHtml(html: string): string { |
| 218 | try { |
| 219 | const $ = cheerio.load(html.trim(), { scriptingEnabled: false }) |
| 220 | |
| 221 | $('[class]').each((_, node) => { |
| 222 | const classValue = ($(node).attr('class') || '').trim() |
| 223 | if (!classValue) return |
| 224 | const cleaned = stripCanvasLockClasses(classValue) |
| 225 | if (cleaned.length > 0) { |
| 226 | $(node).attr('class', cleaned) |
| 227 | } else { |
| 228 | $(node).removeAttr('class') |
| 229 | } |
| 230 | }) |
| 231 | $('[style]').each((_, node) => { |
| 232 | const styleValue = ($(node).attr('style') || '').trim() |
| 233 | if (!styleValue) return |
| 234 | const cleaned = stripCanvasInlineSizes(styleValue) |
| 235 | if (cleaned.length > 0) { |
| 236 | $(node).attr('style', cleaned) |
| 237 | } else { |
| 238 | $(node).removeAttr('style') |
| 239 | } |
| 240 | }) |
| 241 | |
| 242 | $('canvas').each((_, node) => { |
| 243 | const canvas = $(node) |
| 244 | canvas.removeAttr('width') |
| 245 | canvas.removeAttr('height') |
| 246 | const originalCanvasClasses = splitClassNames(canvas.attr('class') || '') |
| 247 | const wrapperClasses = originalCanvasClasses.filter(isMarginUtilityClass) |
| 248 | const canvasClassSet = new Set( |
| 249 | originalCanvasClasses.filter( |
| 250 | (cls) => !isChartCanvasLayoutClass(cls) && !isMarginUtilityClass(cls) |
| 251 | ) |
| 252 | ) |
| 253 | canvasClassSet.add('h-full') |
| 254 | canvasClassSet.add('w-full') |
| 255 | canvas.attr('class', Array.from(canvasClassSet).join(' ')) |
| 256 | |
| 257 | const parent = canvas.parent() |
| 258 | if (!parent.length) return |
| 259 | |
| 260 | const parentClassRaw = (parent.attr('class') || '').trim() |
| 261 | const originalParentClasses = splitClassNames(parentClassRaw) |
| 262 | const parentStyle = parent.attr('style') || '' |
| 263 | const hasFixedHeightStyle = hasFixedChartHeightStyle(parentStyle) |
| 264 | const hasFixedHeightClass = hasFixedChartHeightClass(originalParentClasses) |
| 265 | const parentClassSet = new Set( |
| 266 | originalParentClasses.filter((cls) => !isUnstableChartFrameLayoutClass(cls)) |
| 267 | ) |
| 268 | |
| 269 | if (!hasFixedHeightClass && !hasFixedHeightStyle) { |
| 270 | parentClassSet.add( |
| 271 | resolveChartFrameHeightClassFromNearbyComment(parent) || CHART_FRAME_DEFAULT_HEIGHT_CLASS |
| 272 | ) |
| 273 | } |
| 274 | |
| 275 | if (!parentClassSet.has('ppt-chart-frame')) parentClassSet.add('ppt-chart-frame') |
| 276 | if (!parentClassSet.has('relative')) parentClassSet.add('relative') |
| 277 | if (!parentClassSet.has('overflow-hidden')) parentClassSet.add('overflow-hidden') |
| 278 | if (wrapperClasses.length > 0) { |
| 279 | for (const cls of wrapperClasses) parentClassSet.add(cls) |
| 280 | } |
| 281 | parent.attr('class', Array.from(parentClassSet).join(' ')) |
| 282 | }) |
| 283 | |
| 284 | $('video').each((_, node) => { |
| 285 | const video = $(node) |
| 286 | video.attr('controls', '') |
| 287 | video.attr('playsinline', '') |
| 288 | if (video.attr('preload') === undefined) { |
| 289 | video.attr('preload', 'metadata') |
| 290 | } |
| 291 | }) |
| 292 | |
| 293 | $('*').each((_, node) => { |
| 294 | const el = $(node) |
| 295 | |
| 296 | const classRaw = (el.attr('class') || '').trim() |
| 297 | if (classRaw) { |
| 298 | const kept = classRaw |
| 299 | .split(/\s+/) |
| 300 | .filter(Boolean) |
| 301 | .filter((cls) => { |
| 302 | const base = cls.split(':').pop() || cls |
| 303 | return base !== 'opacity-0' && base !== 'invisible' |
| 304 | }) |
| 305 | if (kept.length > 0) { |
| 306 | el.attr('class', kept.join(' ')) |
| 307 | } else { |
| 308 | el.removeAttr('class') |
| 309 | } |
| 310 | } |
| 311 | |
| 312 | const styleRaw = (el.attr('style') || '').trim() |
| 313 | if (styleRaw) { |
| 314 | const keptDecls = styleRaw |
| 315 | .split(';') |
| 316 | .map((decl) => decl.trim()) |
| 317 | .filter(Boolean) |
| 318 | .filter((decl) => { |
| 319 | const idx = decl.indexOf(':') |
| 320 | if (idx < 0) return true |
| 321 | const key = decl.slice(0, idx).trim().toLowerCase() |
| 322 | const value = decl |
| 323 | .slice(idx + 1) |
| 324 | .trim() |
| 325 | .toLowerCase() |
| 326 | if (key === 'opacity' && /^0(?:\.0+)?$/.test(value)) return false |
| 327 | if (key === 'visibility' && value === 'hidden') return false |
| 328 | return true |
| 329 | }) |
| 330 | if (keptDecls.length > 0) { |
| 331 | el.attr('style', keptDecls.join('; ')) |
| 332 | } else { |
| 333 | el.removeAttr('style') |
| 334 | } |
| 335 | } |
| 336 | }) |
| 337 | |
| 338 | return $.html() |
| 339 | } catch { |
| 340 | return html |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | type HtmlContentValidation = ReturnType<typeof validateHtmlContent> |
| 345 | |
| 346 | export type PageWriteValidationFailureKind = |
| 347 | | 'remote-resource' |
| 348 | | 'content-validation' |
| 349 | | 'template-skeleton' |
| 350 | | 'persisted-validation' |
| 351 | |
| 352 | /** A presentation-domain validation failure with machine-readable diagnostics for adapters. */ |
| 353 | export class PageWriteValidationError extends Error { |
| 354 | constructor( |
| 355 | readonly kind: PageWriteValidationFailureKind, |
| 356 | readonly pageId: string, |
| 357 | readonly details: readonly string[], |
| 358 | message: string |
| 359 | ) { |
| 360 | super(message) |
| 361 | this.name = 'PageWriteValidationError' |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | const STRUCTURAL_FRAGMENT_ERROR_RE = |
| 366 | /HTML 末尾存在未闭合标签|开闭标签数量不一致|闭标签多于开标签|缺少结尾|缺少 <\/body>/i |
| 367 | |
| 368 | function trimTrailingPartialTag(content: string): string { |
| 369 | const trimmed = content.trim() |
| 370 | if (!/<[^>]*$/.test(trimmed)) return trimmed |
| 371 | return trimmed.replace(/<[^>]*$/, '').trim() |
| 372 | } |
| 373 | |
| 374 | function repairMalformedCreativeFragment(content: string): string | null { |
| 375 | const repairInput = trimTrailingPartialTag(content) |
| 376 | if (!repairInput) return null |
| 377 | try { |
| 378 | const $ = cheerio.load(repairInput, { scriptingEnabled: false }, false) |
| 379 | const repaired = ($.root().html() || repairInput).trim() |
| 380 | return repaired && repaired !== content.trim() ? repaired : null |
| 381 | } catch { |
| 382 | return null |
| 383 | } |
| 384 | } |
| 385 | |
| 386 | export function countHtmlTag(content: string, tagName: string): { open: number; close: number } { |
| 387 | const withoutNonStructuralBlocks = content |
| 388 | .replace(/<!--[\s\S]*?-->/g, '') |
| 389 | .replace(/<script[\s\S]*?<\/script>/gi, '') |
| 390 | .replace(/<style[\s\S]*?<\/style>/gi, '') |
| 391 | return { |
| 392 | open: (withoutNonStructuralBlocks.match(new RegExp(`<${tagName}[\\s>]`, 'gi')) || []).length, |
| 393 | close: (withoutNonStructuralBlocks.match(new RegExp(`</${tagName}>`, 'gi')) || []).length |
| 394 | } |
| 395 | } |
| 396 | |
| 397 | export function validateOrRepairHtmlContent(content: string): { |
| 398 | content: string |
| 399 | validation: HtmlContentValidation |
| 400 | repaired: boolean |
| 401 | originalErrors?: string[] |
| 402 | } { |
| 403 | const validation = validateHtmlContent(content) |
| 404 | if (validation.valid) { |
| 405 | return { content, validation, repaired: false } |
| 406 | } |
| 407 | |
| 408 | const onlyStructuralErrors = validation.errors.every((error) => |
| 409 | STRUCTURAL_FRAGMENT_ERROR_RE.test(error) |
| 410 | ) |
| 411 | if (!onlyStructuralErrors) { |
| 412 | return { content, validation, repaired: false } |
| 413 | } |
| 414 | |
| 415 | const repairedContent = repairMalformedCreativeFragment(content) |
| 416 | if (!repairedContent) { |
| 417 | return { content, validation, repaired: false } |
| 418 | } |
| 419 | |
| 420 | const repairedValidation = validateHtmlContent(repairedContent) |
| 421 | if (!repairedValidation.valid) { |
| 422 | return { content, validation: repairedValidation, repaired: false } |
| 423 | } |
| 424 | |
| 425 | return { |
| 426 | content: repairedContent, |
| 427 | validation: repairedValidation, |
| 428 | repaired: true, |
| 429 | originalErrors: validation.errors |
| 430 | } |
| 431 | } |
| 432 | |
| 433 | export function replacePageContentFragment(args: { |
| 434 | originalHtml: string |
| 435 | content: string |
| 436 | pageId: string |
| 437 | }): { html: string; content: string; repaired: boolean } { |
| 438 | const remoteResources = extractRemoteRuntimeResources(args.content) |
| 439 | if (remoteResources.length > 0) { |
| 440 | throw new Error( |
| 441 | `检测到禁止的 CDN/远程资源引用 (${args.pageId})，仅允许使用系统预注入的本地 ./assets/*。` |
| 442 | ) |
| 443 | } |
| 444 | const inputContent = normalizeLegacyDataAnimAttributes(args.content) |
| 445 | const normalizedFragment = normalizeCreativePageFragment(preprocessPageHtml(inputContent), { |
| 446 | blockIdMode: 'strip' |
| 447 | }) |
| 448 | const prepared = validateOrRepairHtmlContent(normalizedFragment) |
| 449 | const normalizedValidation = validateHtmlContent(prepared.content) |
| 450 | if (!normalizedValidation.valid) { |
| 451 | throw new Error( |
| 452 | `HTML 验证失败 (${args.pageId}): ${normalizedValidation.errors.join('; ')}。请修正后重试。` |
| 453 | ) |
| 454 | } |
| 455 | |
| 456 | const $ = cheerio.load(args.originalHtml, { scriptingEnabled: false }) |
| 457 | const contentNode = $('.ppt-page-root[data-ppt-guard-root="1"] .ppt-page-content').first() |
| 458 | if (!contentNode.length) { |
| 459 | throw new Error( |
| 460 | `无法定位页面主体容器 (${args.pageId})：页面骨架已被破坏，请先修复页面后再编辑。` |
| 461 | ) |
| 462 | } |
| 463 | contentNode.html(prepared.content) |
| 464 | const html = syncRootBackgroundFromScaffold($.html()) |
| 465 | const persistedValidation = validatePersistedPageHtml(html, args.pageId) |
| 466 | if (!persistedValidation.valid) { |
| 467 | throw new Error( |
| 468 | `HTML 落盘校验失败 (${args.pageId}): ${persistedValidation.errors.join('; ')}。请修正页面片段后重试。` |
| 469 | ) |
| 470 | } |
| 471 | return { html, content: inputContent, repaired: prepared.repaired } |
| 472 | } |
| 473 | |
| 474 | function hasDataAnim(html: string): boolean { |
| 475 | return /\bdata-anim\b/i.test(html) |
| 476 | } |
| 477 | |
| 478 | function hasCustomPageAnimation(html: string): boolean { |
| 479 | return ( |
| 480 | /(?:anime\s*\(|anime\.(?:createTimeline|timeline|animate|stagger)\s*\()/m.test(html) || |
| 481 | /PPT\.(?:animate|stagger|createTimeline)\s*\(/m.test(html) || |
| 482 | /data-(?:anime|animate)\b/i.test(html) |
| 483 | ) |
| 484 | } |
| 485 | |
| 486 | async function buildScaffoldDocument(args: { |
| 487 | pageId: string |
| 488 | pageNumber?: number |
| 489 | innerContent: string |
| 490 | includeDefaultMotion: boolean |
| 491 | projectDir: string |
| 492 | designFonts?: { titleFont: string; bodyFont: string } |
| 493 | slideSize: SlideSizePreset |
| 494 | }): Promise<string> { |
| 495 | const { pageId, pageNumber, innerContent, includeDefaultMotion, projectDir, designFonts, slideSize } = |
| 496 | args |
| 497 | const pageNumberAttribute = |
| 498 | typeof pageNumber === 'number' && Number.isFinite(pageNumber) && pageNumber > 0 |
| 499 | ? ` data-ppt-page-number="${Math.floor(pageNumber)}"` |
| 500 | : '' |
| 501 | const motionScript = includeDefaultMotion ? `\n ${DEFAULT_MOTION_SCRIPT}` : '' |
| 502 | const fontInjection = |
| 503 | designFonts |
| 504 | ? `\n ${await buildFontHeadTags({ ...designFonts, projectDir })}` |
| 505 | : '' |
| 506 | return `<!doctype html> |
| 507 | <html lang="zh-CN"> |
| 508 | <head> |
| 509 | <meta charset="UTF-8" /> |
| 510 | <meta name="viewport" content="width=device-width, initial-scale=1.0" /> |
| 511 | ${buildSessionAssetHeadTags()}${fontInjection} |
| 512 | ${buildBasePageStyleTag(slideSize)} |
| 513 | ${buildMasterStyleLink()} |
| 514 | </head> |
| 515 | <body data-page-id="${pageId}"${pageNumberAttribute}> |
| 516 | <main class="ppt-page-root" data-ppt-guard-root="1" data-ppt-slide-size-id="${slideSize.id}" data-ppt-width="${slideSize.width}" data-ppt-height="${slideSize.height}"${pageNumberAttribute}> |
| 517 | <div class="ppt-page-fit-scope"> |
| 518 | <div class="ppt-page-content"> |
| 519 | ${innerContent} |
| 520 | </div> |
| 521 | </div> |
| 522 | </main> |
| 523 | ${buildFitScript(slideSize)} |
| 524 | ${VIDEO_INTERACTION_SCRIPT} |
| 525 | ${motionScript} |
| 526 | </body> |
| 527 | </html>` |
| 528 | } |
| 529 | |
| 530 | export async function normalizeAndInjectPageRuntime( |
| 531 | content: string, |
| 532 | pageId: string, |
| 533 | projectDir: string, |
| 534 | slideSize: SlideSizePreset, |
| 535 | designFonts?: { titleFont: string; bodyFont: string }, |
| 536 | pageNumber?: number |
| 537 | ): Promise<string> { |
| 538 | const fragment = normalizeCreativePageFragment( |
| 539 | preprocessPageHtml(normalizeLegacyDataAnimAttributes(content)) |
| 540 | ) |
| 541 | const document = await buildScaffoldDocument({ |
| 542 | pageId, |
| 543 | pageNumber, |
| 544 | innerContent: fragment, |
| 545 | includeDefaultMotion: hasDataAnim(content) || !hasCustomPageAnimation(content), |
| 546 | projectDir, |
| 547 | slideSize, |
| 548 | designFonts |
| 549 | }) |
| 550 | return syncRootBackgroundFromScaffold(document) |
| 551 | } |
| 552 | |
| 553 | /** |
| 554 | * Turn a creative page fragment into a validated standalone page document. |
| 555 | * This capability deliberately stops before filesystem writes; callers own |
| 556 | * their domain-specific atomic write and rollback strategy. |
| 557 | */ |
| 558 | export async function buildPersistedPageHtmlFromFragment(args: { |
| 559 | content: string |
| 560 | pageId: string |
| 561 | pageNumber?: number |
| 562 | projectDir: string |
| 563 | slideSize: SlideSizePreset |
| 564 | designFonts?: { titleFont: string; bodyFont: string } |
| 565 | }): Promise<{ html: string; content: string; repaired: boolean; originalErrors?: string[] }> { |
| 566 | const remoteResources = extractRemoteRuntimeResources(args.content) |
| 567 | if (remoteResources.length > 0) { |
| 568 | throw new PageWriteValidationError( |
| 569 | 'remote-resource', |
| 570 | args.pageId, |
| 571 | remoteResources, |
| 572 | [ |
| 573 | `检测到禁止的 CDN/远程资源引用 (${args.pageId})，已拒绝写入。`, |
| 574 | '请移除所有 script/link 的 http(s) 或 // 外链，仅使用系统预注入的本地 ./assets/* 资源。', |
| 575 | '示例命中：', |
| 576 | ...remoteResources |
| 577 | ].join('\n') |
| 578 | ) |
| 579 | } |
| 580 | const inputContent = normalizeLegacyDataAnimAttributes(args.content) |
| 581 | const prepared = validateOrRepairHtmlContent(inputContent) |
| 582 | const normalizedContent = normalizeCreativePageFragment(preprocessPageHtml(prepared.content)) |
| 583 | const normalizedValidation = validateHtmlContent(normalizedContent) |
| 584 | if (!normalizedValidation.valid) { |
| 585 | throw new PageWriteValidationError( |
| 586 | 'content-validation', |
| 587 | args.pageId, |
| 588 | normalizedValidation.errors, |
| 589 | `HTML 验证失败 (${args.pageId}): ${normalizedValidation.errors.join('; ')}。请修正后重试。` |
| 590 | ) |
| 591 | } |
| 592 | const html = await normalizeAndInjectPageRuntime( |
| 593 | normalizedContent, |
| 594 | args.pageId, |
| 595 | args.projectDir, |
| 596 | args.slideSize, |
| 597 | args.designFonts, |
| 598 | args.pageNumber |
| 599 | ) |
| 600 | const persistedValidation = validatePersistedPageHtml(html, args.pageId) |
| 601 | if (!persistedValidation.valid) { |
| 602 | throw new PageWriteValidationError( |
| 603 | 'persisted-validation', |
| 604 | args.pageId, |
| 605 | persistedValidation.errors, |
| 606 | `HTML 落盘校验失败 (${args.pageId}): ${persistedValidation.errors.join('; ')}。请修正页面片段后重试。` |
| 607 | ) |
| 608 | } |
| 609 | return { |
| 610 | html, |
| 611 | content: prepared.content, |
| 612 | repaired: prepared.repaired, |
| 613 | originalErrors: prepared.originalErrors |
| 614 | } |
| 615 | } |
| 616 | |
| 617 | /** |
| 618 | * Presentation-owned page persistence capability shared by Agent tools and any |
| 619 | * future non-Agent caller. It keeps validation, template-skeleton protection, |
| 620 | * and serialized writes out of the Agent adapter layer. |
| 621 | */ |
| 622 | export async function persistPageHtmlFromFragment(args: { |
| 623 | content: string |
| 624 | pageId: string |
| 625 | pageNumber?: number |
| 626 | projectDir: string |
| 627 | targetPath: string |
| 628 | slideSize: SlideSizePreset |
| 629 | designFonts?: { titleFont: string; bodyFont: string } |
| 630 | preserveTemplateSkeleton?: boolean |
| 631 | }): Promise<{ html: string; content: string; repaired: boolean; originalErrors?: string[] }> { |
| 632 | const persisted = await buildPersistedPageHtmlFromFragment(args) |
| 633 | if (args.preserveTemplateSkeleton) { |
| 634 | const beforeHtml = await fs.promises.readFile(args.targetPath, 'utf-8').catch(() => '') |
| 635 | const missingTemplateRefs = validateTemplateSkeletonPreserved(beforeHtml, persisted.html) |
| 636 | if (missingTemplateRefs.length > 0) { |
| 637 | throw new PageWriteValidationError( |
| 638 | 'template-skeleton', |
| 639 | args.pageId, |
| 640 | missingTemplateRefs, |
| 641 | [ |
| 642 | `模板骨架资源丢失 (${args.pageId})：${missingTemplateRefs.slice(0, 8).join(', ')}`, |
| 643 | '请重新读取目标模板页，把背景图、纹理、装饰图、mask/overlay 或 CSS url(...) 对应结构保留在 update_template_page_file 的 content 中。' |
| 644 | ].join(' ') |
| 645 | ) |
| 646 | } |
| 647 | } |
| 648 | await serializedWrite(args.projectDir, async () => { |
| 649 | await fs.promises.writeFile(args.targetPath, persisted.html, 'utf-8') |
| 650 | }) |
| 651 | return persisted |
| 652 | } |
| 653 | |
| 654 | export type PresentationPageVerification = { |
| 655 | pageId: string |
| 656 | filled: boolean |
| 657 | hasContent: boolean |
| 658 | hasRemoteRuntime: boolean |
| 659 | } |
| 660 | |
| 661 | /** Read and validate the persisted presentation pages without leaking fs access to Agent tools. */ |
| 662 | export async function verifyPresentationPageFiles(args: { |
| 663 | pageFileMap: Record<string, string> |
| 664 | pageIds: readonly string[] |
| 665 | }): Promise<PresentationPageVerification[]> { |
| 666 | return Promise.all( |
| 667 | args.pageIds.map(async (pageId) => { |
| 668 | const pagePath = args.pageFileMap[pageId] |
| 669 | if (!pagePath) { |
| 670 | return { pageId, filled: false, hasContent: false, hasRemoteRuntime: false } |
| 671 | } |
| 672 | let content = '' |
| 673 | try { |
| 674 | content = await fs.promises.readFile(pagePath, 'utf-8') |
| 675 | } catch (error) { |
| 676 | const code = error && typeof error === 'object' ? (error as NodeJS.ErrnoException).code : undefined |
| 677 | if (code === 'ENOENT') { |
| 678 | return { pageId, filled: false, hasContent: false, hasRemoteRuntime: false } |
| 679 | } |
| 680 | throw error |
| 681 | } |
| 682 | const filled = content.trim().length > 0 |
| 683 | return { |
| 684 | pageId, |
| 685 | filled, |
| 686 | hasContent: filled && !isPlaceholderPageHtml(content), |
| 687 | hasRemoteRuntime: extractRemoteRuntimeResources(content).length > 0 |
| 688 | } |
| 689 | }) |
| 690 | ) |
| 691 | } |
| 692 |