BookStack Code Mirror - bookstack/blob - tests/Entity/PageContentTest.php

1 <?php

2

3 namespace Tests\Entity;

4

5 use BookStack\Entities\Models\Page;

6 use BookStack\Entities\Tools\PageContent;

7 use Tests\TestCase;

8

9 class PageContentTest extends TestCase

10 {

11 protected $base64Jpeg = '/9j/2wBDAAMCAgICAgMCAgIDAwMDBAYEBAQEBAgGBgUGCQgKCgkICQkKDA8MCgsOCwkJDRENDg8QEBEQCgwSExIQEw8QEBD/yQALCAABAAEBAREA/8wABgAQEAX/2gAIAQEAAD8A0s8g/9k=';

12

13 public function test_page_includes()

14 {

15 $page = $this->entities->page();

16 $secondPage = $this->entities->page();

17

18 $secondPage->html = "<p id='section1'>Hello, This is a test</p><p id='section2'>This is a second block of content</p>";

19 $secondPage->save();

20

21 $this->asEditor();

22

23 $pageContent = $this->get($page->getUrl());

24 $pageContent->assertDontSee('Hello, This is a test');

25

26 $originalHtml = $page->html;

27 $page->html .= "{{@{$secondPage->id}}}";

28 $page->save();

29

30 $pageContent = $this->get($page->getUrl());

31 $pageContent->assertSee('Hello, This is a test');

32 $pageContent->assertSee('This is a second block of content');

33

34 $page->html = $originalHtml . " Well {{@{$secondPage->id}#section2}}";

35 $page->save();

36

37 $pageContent = $this->get($page->getUrl());

38 $pageContent->assertDontSee('Hello, This is a test');

39 $pageContent->assertSee('Well This is a second block of content');

40 }

41

42 public function test_saving_page_with_includes()

43 {

44 $page = $this->entities->page();

45 $secondPage = $this->entities->page();

46

47 $this->asEditor();

48 $includeTag = '{{@' . $secondPage->id . '}}';

49 $page->html = '<p>' . $includeTag . '</p>';

50

51 $resp = $this->put($page->getUrl(), ['name' => $page->name, 'html' => $page->html, 'summary' => '']);

52

53 $resp->assertStatus(302);

54

55 $page = Page::find($page->id);

56 $this->assertStringContainsString($includeTag, $page->html);

57 $this->assertEquals('', $page->text);

58 }

59

60 public function test_page_includes_do_not_break_tables()

61 {

62 $page = $this->entities->page();

63 $secondPage = $this->entities->page();

64

65 $content = '<table id="table"><tbody><tr><td>test</td></tr></tbody></table>';

66 $secondPage->html = $content;

67 $secondPage->save();

68

69 $page->html = "{{@{$secondPage->id}#table}}";

70 $page->save();

71

72 $pageResp = $this->asEditor()->get($page->getUrl());

73 $pageResp->assertSee($content, false);

74 }

75

76 public function test_page_includes_do_not_break_code()

77 {

78 $page = $this->entities->page();

79 $secondPage = $this->entities->page();

80

81 $content = '<pre id="bkmrk-code"><code>var cat = null;</code></pre>';

82 $secondPage->html = $content;

83 $secondPage->save();

84

85 $page->html = "{{@{$secondPage->id}#bkmrk-code}}";

86 $page->save();

87

88 $pageResp = $this->asEditor()->get($page->getUrl());

89 $pageResp->assertSee($content, false);

90 }

91

92 public function test_page_includes_rendered_on_book_export()

93 {

94 $page = $this->entities->page();

95 $secondPage = Page::query()

96 ->where('book_id', '!=', $page->book_id)

97 ->first();

98

99 $content = '<p id="bkmrk-meow">my cat is awesome and scratchy</p>';

100 $secondPage->html = $content;

101 $secondPage->save();

102

103 $page->html = "{{@{$secondPage->id}#bkmrk-meow}}";

104 $page->save();

105

106 $this->asEditor();

107 $htmlContent = $this->get($page->book->getUrl('/export/html'));

108 $htmlContent->assertSee('my cat is awesome and scratchy');

109 }

110

111 public function test_page_includes_can_be_nested_up_to_three_times()

112 {

113 $page = $this->entities->page();

114 $tag = "{{@{$page->id}#bkmrk-test}}";

115 $page->html = '<p id="bkmrk-test">Hello Barry ' . $tag . '</p>';

116 $page->save();

117

118 $pageResp = $this->asEditor()->get($page->getUrl());

119 $this->withHtml($pageResp)->assertElementContains('#bkmrk-test', 'Hello Barry Hello Barry Hello Barry Hello Barry ' . $tag);

120 $this->withHtml($pageResp)->assertElementNotContains('#bkmrk-test', 'Hello Barry Hello Barry Hello Barry Hello Barry Hello Barry ' . $tag);

121 }

122

123 public function test_page_content_scripts_removed_by_default()

124 {

125 $this->asEditor();

126 $page = $this->entities->page();

127 $script = 'abc123<script>console.log("hello-test")</script>abc123';

128 $page->html = "escape {$script}";

129 $page->save();

130

131 $pageView = $this->get($page->getUrl());

132 $pageView->assertStatus(200);

133 $pageView->assertDontSee($script, false);

134 $pageView->assertSee('abc123abc123');

135 }

136

137 public function test_more_complex_content_script_escaping_scenarios()

138 {

139 $checks = [

140 "<p>Some script</p><script>alert('cat')</script>",

141 "<div><div><div><div><p>Some script</p><script>alert('cat')</script></div></div></div></div>",

142 "<p>Some script<script>alert('cat')</script></p>",

143 "<p>Some script <div><script>alert('cat')</script></div></p>",

144 "<p>Some script <script><div>alert('cat')</script></div></p>",

145 "<p>Some script <script><div>alert('cat')</script><script><div>alert('cat')</script></p><script><div>alert('cat')</script>",

146 ];

147

148 $this->asEditor();

149 $page = $this->entities->page();

150

151 foreach ($checks as $check) {

152 $page->html = $check;

153 $page->save();

154

155 $pageView = $this->get($page->getUrl());

156 $pageView->assertStatus(200);

157 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<script>');

158 $this->withHtml($pageView)->assertElementNotContains('.page-content', '</script>');

159 }

160 }

161

162 public function test_js_and_base64_src_urls_are_removed()

163 {

164 $checks = [

165 '<iframe src="javascript:alert(document.cookie)"></iframe>',

166 '<iframe src="JavAScRipT:alert(document.cookie)"></iframe>',

167 '<iframe src="JavAScRipT:alert(document.cookie)"></iframe>',

168 '<iframe SRC=" javascript: alert(document.cookie)"></iframe>',

169 '<iframe src="data:text/html;base64,PHNjcmlwdD5hbGVydCgnaGVsbG8nKTwvc2NyaXB0Pg==" frameborder="0"></iframe>',

170 '<iframe src="DaTa:text/html;base64,PHNjcmlwdD5hbGVydCgnaGVsbG8nKTwvc2NyaXB0Pg==" frameborder="0"></iframe>',

171 '<iframe src=" data:text/html;base64,PHNjcmlwdD5hbGVydCgnaGVsbG8nKTwvc2NyaXB0Pg==" frameborder="0"></iframe>',

172 '<img src="javascript:alert(document.cookie)"/>',

173 '<img src="JavAScRipT:alert(document.cookie)"/>',

174 '<img src="JavAScRipT:alert(document.cookie)"/>',

175 '<img SRC=" javascript: alert(document.cookie)"/>',

176 '<img src="data:text/html;base64,PHNjcmlwdD5hbGVydCgnaGVsbG8nKTwvc2NyaXB0Pg=="/>',

177 '<img src="DaTa:text/html;base64,PHNjcmlwdD5hbGVydCgnaGVsbG8nKTwvc2NyaXB0Pg=="/>',

178 '<img src=" data:text/html;base64,PHNjcmlwdD5hbGVydCgnaGVsbG8nKTwvc2NyaXB0Pg=="/>',

179 '<iframe srcdoc="<script>window.alert(document.cookie)</script>"></iframe>',

180 '<iframe SRCdoc="<script>window.alert(document.cookie)</script>"></iframe>',

181 '<IMG SRC=`javascript:alert("RSnake says, \'XSS\'")`>',

182 ];

183

184 $this->asEditor();

185 $page = $this->entities->page();

186

187 foreach ($checks as $check) {

188 $page->html = $check;

189 $page->save();

190

191 $pageView = $this->get($page->getUrl());

192 $pageView->assertStatus(200);

193 $html = $this->withHtml($pageView);

194 $html->assertElementNotContains('.page-content', '<iframe>');

195 $html->assertElementNotContains('.page-content', '<img');

196 $html->assertElementNotContains('.page-content', '</iframe>');

197 $html->assertElementNotContains('.page-content', 'src=');

198 $html->assertElementNotContains('.page-content', 'javascript:');

199 $html->assertElementNotContains('.page-content', 'data:');

200 $html->assertElementNotContains('.page-content', 'base64');

201 }

202 }

203

204 public function test_javascript_uri_links_are_removed()

205 {

206 $checks = [

207 '<a id="xss" href="javascript:alert(document.cookie)>Click me</a>',

208 '<a id="xss" href="javascript: alert(document.cookie)>Click me</a>',

209 '<a id="xss" href="JaVaScRiPt: alert(document.cookie)>Click me</a>',

210 '<a id="xss" href=" JaVaScRiPt: alert(document.cookie)>Click me</a>',

211 ];

212

213 $this->asEditor();

214 $page = $this->entities->page();

215

216 foreach ($checks as $check) {

217 $page->html = $check;

218 $page->save();

219

220 $pageView = $this->get($page->getUrl());

221 $pageView->assertStatus(200);

222 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<a id="xss"');

223 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'href=javascript:');

224 }

225 }

226

227 public function test_form_actions_with_javascript_are_removed()

228 {

229 $checks = [

230 '<form><input id="xss" type=submit formaction=javascript:alert(document.domain) value=Submit><input></form>',

231 '<form ><button id="xss" formaction="JaVaScRiPt:alert(document.domain)">Click me</button></form>',

232 '<form ><button id="xss" formaction=javascript:alert(document.domain)>Click me</button></form>',

233 '<form id="xss" action=javascript:alert(document.domain)><input type=submit value=Submit></form>',

234 '<form id="xss" action="JaVaScRiPt:alert(document.domain)"><input type=submit value=Submit></form>',

235 ];

236

237 $this->asEditor();

238 $page = $this->entities->page();

239

240 foreach ($checks as $check) {

241 $page->html = $check;

242 $page->save();

243

244 $pageView = $this->get($page->getUrl());

245 $pageView->assertStatus(200);

246 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<button id="xss"');

247 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<input id="xss"');

248 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<form id="xss"');

249 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'action=javascript:');

250 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'formaction=javascript:');

251 }

252 }

253

254 public function test_metadata_redirects_are_removed()

255 {

256 $checks = [

257 '<meta http-equiv="refresh" content="0; url=//external_url">',

258 '<meta http-equiv="refresh" ConTeNt="0; url=//external_url">',

259 '<meta http-equiv="refresh" content="0; UrL=//external_url">',

260 ];

261

262 $this->asEditor();

263 $page = $this->entities->page();

264

265 foreach ($checks as $check) {

266 $page->html = $check;

267 $page->save();

268

269 $pageView = $this->get($page->getUrl());

270 $pageView->assertStatus(200);

271 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<meta>');

272 $this->withHtml($pageView)->assertElementNotContains('.page-content', '</meta>');

273 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'content=');

274 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'external_url');

275 }

276 }

277

278 public function test_page_inline_on_attributes_removed_by_default()

279 {

280 $this->asEditor();

281 $page = $this->entities->page();

282 $script = '<p onmouseenter="console.log(\'test\')">Hello</p>';

283 $page->html = "escape {$script}";

284 $page->save();

285

286 $pageView = $this->get($page->getUrl());

287 $pageView->assertStatus(200);

288 $pageView->assertDontSee($script, false);

289 $pageView->assertSee('<p>Hello</p>', false);

290 }

291

292 public function test_more_complex_inline_on_attributes_escaping_scenarios()

293 {

294 $checks = [

295 '<p onclick="console.log(\'test\')">Hello</p>',

296 '<p OnCliCk="console.log(\'test\')">Hello</p>',

297 '<div>Lorem ipsum dolor sit amet.</div><p onclick="console.log(\'test\')">Hello</p>',

298 '<div>Lorem ipsum dolor sit amet.<p onclick="console.log(\'test\')">Hello</p></div>',

299 '<div><div><div><div>Lorem ipsum dolor sit amet.<p onclick="console.log(\'test\')">Hello</p></div></div></div></div>',

300 '<div onclick="console.log(\'test\')">Lorem ipsum dolor sit amet.</div><p onclick="console.log(\'test\')">Hello</p><div></div>',

301 '<a a="<img src=1 onerror=\'alert(1)\'> ',

302 '\<a onclick="alert(document.cookie)"\>xss link\</a\>',

303 ];

304

305 $this->asEditor();

306 $page = $this->entities->page();

307

308 foreach ($checks as $check) {

309 $page->html = $check;

310 $page->save();

311

312 $pageView = $this->get($page->getUrl());

313 $pageView->assertStatus(200);

314 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'onclick');

315 }

316 }

317

318 public function test_page_content_scripts_show_when_configured()

319 {

320 $this->asEditor();

321 $page = $this->entities->page();

322 config()->set('app.allow_content_scripts', 'true');

323

324 $script = 'abc123<script>console.log("hello-test")</script>abc123';

325 $page->html = "no escape {$script}";

326 $page->save();

327

328 $pageView = $this->get($page->getUrl());

329 $pageView->assertSee($script, false);

330 $pageView->assertDontSee('abc123abc123');

331 }

332

333 public function test_svg_script_usage_is_removed()

334 {

335 $checks = [

336 '<svg id="test" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="100" height="100"><a xlink:href="javascript:alert(document.domain)"><rect x="0" y="0" width="100" height="100" /></a></svg>',

337 '<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><use xlink:href="data:application/xml;base64 ,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rIj4KPGRlZnM+CjxjaXJjbGUgaWQ9InRlc3QiIHI9IjAiIGN4PSIwIiBjeT0iMCIgc3R5bGU9ImZpbGw6ICNGMDAiPgo8c2V0IGF0dHJpYnV0ZU5hbWU9ImZpbGwiIGF0dHJpYnV0ZVR5cGU9IkNTUyIgb25iZWdpbj0nYWxlcnQoZG9jdW1lbnQuZG9tYWluKScKb25lbmQ9J2FsZXJ0KCJvbmVuZCIpJyB0bz0iIzAwRiIgYmVnaW49IjBzIiBkdXI9Ijk5OXMiIC8+CjwvY2lyY2xlPgo8L2RlZnM+Cjx1c2UgeGxpbms6aHJlZj0iI3Rlc3QiLz4KPC9zdmc+#test"/></svg>',

338 '<svg><animate href=#xss attributeName=href values=javascript:alert(1) /></svg>',

339 '<svg><animate href="#xss" attributeName="href" values="a;javascript:alert(1)" /></svg>',

340 '<svg><animate href="#xss" attributeName="href" values="a;data:alert(1)" /></svg>',

341 '<svg><animate href=#xss attributeName=href from=javascript:alert(1) to=1 /><a id=xss><text x=20 y=20>XSS</text></a>',

342 '<svg><set href=#xss attributeName=href from=? to=javascript:alert(1) /><a id=xss><text x=20 y=20>XSS</text></a>',

343 '<svg><g><g><g><animate href=#xss attributeName=href values=javascript:alert(1) /></g></g></g></svg>',

344 ];

345

346 $this->asEditor();

347 $page = $this->entities->page();

348

349 foreach ($checks as $check) {

350 $page->html = $check;

351 $page->save();

352

353 $pageView = $this->get($page->getUrl());

354 $pageView->assertStatus(200);

355 $html = $this->withHtml($pageView);

356 $html->assertElementNotContains('.page-content', 'alert');

357 $html->assertElementNotContains('.page-content', 'xlink:href');

358 $html->assertElementNotContains('.page-content', 'application/xml');

359 $html->assertElementNotContains('.page-content', 'javascript');

360 }

361 }

362

363 public function test_page_inline_on_attributes_show_if_configured()

364 {

365 $this->asEditor();

366 $page = $this->entities->page();

367 config()->set('app.allow_content_scripts', 'true');

368

369 $script = '<p onmouseenter="console.log(\'test\')">Hello</p>';

370 $page->html = "escape {$script}";

371 $page->save();

372

373 $pageView = $this->get($page->getUrl());

374 $pageView->assertSee($script, false);

375 $pageView->assertDontSee('<p>Hello</p>', false);

376 }

377

378 public function test_duplicate_ids_does_not_break_page_render()

379 {

380 $this->asEditor();

381 $pageA = Page::query()->first();

382 $pageB = Page::query()->where('id', '!=', $pageA->id)->first();

383

384 $content = '<ul id="bkmrk-xxx-%28"></ul> <ul id="bkmrk-xxx-%28"></ul>';

385 $pageA->html = $content;

386 $pageA->save();

387

388 $pageB->html = '<ul id="bkmrk-xxx-%28"></ul> <p>{{@' . $pageA->id . '#test}}</p>';

389 $pageB->save();

390

391 $pageView = $this->get($pageB->getUrl());

392 $pageView->assertSuccessful();

393 }

394

395 public function test_duplicate_ids_fixed_on_page_save()

396 {

397 $this->asEditor();

398 $page = $this->entities->page();

399

400 $content = '<ul id="bkmrk-test"><li>test a</li><li><ul id="bkmrk-test"><li>test b</li></ul></li></ul>';

401 $pageSave = $this->put($page->getUrl(), [

402 'name' => $page->name,

403 'html' => $content,

404 'summary' => '',

405 ]);

406 $pageSave->assertRedirect();

407

408 $updatedPage = Page::query()->where('id', '=', $page->id)->first();

409 $this->assertEquals(substr_count($updatedPage->html, 'bkmrk-test"'), 1);

410 }

411

412 public function test_anchors_referencing_non_bkmrk_ids_rewritten_after_save()

413 {

414 $this->asEditor();

415 $page = $this->entities->page();

416

417 $content = '<h1 id="non-standard-id">test</h1><p><a href="#non-standard-id">link</a></p>';

418 $this->put($page->getUrl(), [

419 'name' => $page->name,

420 'html' => $content,

421 'summary' => '',

422 ]);

423

424 $updatedPage = Page::query()->where('id', '=', $page->id)->first();

425 $this->assertStringContainsString('id="bkmrk-test"', $updatedPage->html);

426 $this->assertStringContainsString('href="#bkmrk-test"', $updatedPage->html);

427 }

428

429 public function test_get_page_nav_sets_correct_properties()

430 {

431 $content = '<h1 id="testa">Hello</h1><h2 id="testb">There</h2><h3 id="testc">Donkey</h3>';

432 $pageContent = new PageContent(new Page(['html' => $content]));

433 $navMap = $pageContent->getNavigation($content);

434

435 $this->assertCount(3, $navMap);

436 $this->assertArrayMapIncludes([

437 'nodeName' => 'h1',

438 'link' => '#testa',

439 'text' => 'Hello',

440 'level' => 1,

441 ], $navMap[0]);

442 $this->assertArrayMapIncludes([

443 'nodeName' => 'h2',

444 'link' => '#testb',

445 'text' => 'There',

446 'level' => 2,

447 ], $navMap[1]);

448 $this->assertArrayMapIncludes([

449 'nodeName' => 'h3',

450 'link' => '#testc',

451 'text' => 'Donkey',

452 'level' => 3,

453 ], $navMap[2]);

454 }

455

456 public function test_get_page_nav_does_not_show_empty_titles()

457 {

458 $content = '<h1 id="testa">Hello</h1><h2 id="testb"> </h2><h3 id="testc"></h3>';

459 $pageContent = new PageContent(new Page(['html' => $content]));

460 $navMap = $pageContent->getNavigation($content);

461

462 $this->assertCount(1, $navMap);

463 $this->assertArrayMapIncludes([

464 'nodeName' => 'h1',

465 'link' => '#testa',

466 'text' => 'Hello',

467 ], $navMap[0]);

468 }

469

470 public function test_get_page_nav_shifts_headers_if_only_smaller_ones_are_used()

471 {

472 $content = '<h4 id="testa">Hello</h4><h5 id="testb">There</h5><h6 id="testc">Donkey</h6>';

473 $pageContent = new PageContent(new Page(['html' => $content]));

474 $navMap = $pageContent->getNavigation($content);

475

476 $this->assertCount(3, $navMap);

477 $this->assertArrayMapIncludes([

478 'nodeName' => 'h4',

479 'level' => 1,

480 ], $navMap[0]);

481 $this->assertArrayMapIncludes([

482 'nodeName' => 'h5',

483 'level' => 2,

484 ], $navMap[1]);

485 $this->assertArrayMapIncludes([

486 'nodeName' => 'h6',

487 'level' => 3,

488 ], $navMap[2]);

489 }

490

491 public function test_page_text_decodes_html_entities()

492 {

493 $page = $this->entities->page();

494

495 $this->actingAs($this->users->admin())

496 ->put($page->getUrl(''), [

497 'name' => 'Testing',

498 'html' => '<p>"Hello & welcome"</p>',

499 ]);

500

501 $page->refresh();

502 $this->assertEquals('"Hello & welcome"', $page->text);

503 }

504

505 public function test_page_markdown_table_rendering()

506 {

507 $this->asEditor();

508 $page = $this->entities->page();

509

510 $content = '| Syntax | Description |

511 | ----------- | ----------- |

512 | Header | Title |

513 | Paragraph | Text |';

514 $this->put($page->getUrl(), [

515 'name' => $page->name, 'markdown' => $content,

516 'html' => '', 'summary' => '',

517 ]);

518

519 $page->refresh();

520 $this->assertStringContainsString('</tbody>', $page->html);

521

522 $pageView = $this->get($page->getUrl());

523 $this->withHtml($pageView)->assertElementExists('.page-content table tbody td');

524 }

525

526 public function test_page_markdown_task_list_rendering()

527 {

528 $this->asEditor();

529 $page = $this->entities->page();

530

531 $content = '- [ ] Item a

532 - [x] Item b';

533 $this->put($page->getUrl(), [

534 'name' => $page->name, 'markdown' => $content,

535 'html' => '', 'summary' => '',

536 ]);

537

538 $page->refresh();

539 $this->assertStringContainsString('input', $page->html);

540 $this->assertStringContainsString('type="checkbox"', $page->html);

541

542 $pageView = $this->get($page->getUrl());

543 $this->withHtml($pageView)->assertElementExists('.page-content li.task-list-item input[type=checkbox]');

544 $this->withHtml($pageView)->assertElementExists('.page-content li.task-list-item input[type=checkbox][checked]');

545 }

546

547 public function test_page_markdown_strikethrough_rendering()

548 {

549 $this->asEditor();

550 $page = $this->entities->page();

551

552 $content = '~~some crossed out text~~';

553 $this->put($page->getUrl(), [

554 'name' => $page->name, 'markdown' => $content,

555 'html' => '', 'summary' => '',

556 ]);

557

558 $page->refresh();

559 $this->assertStringMatchesFormat('%A<s%A>some crossed out text</s>%A', $page->html);

560

561 $pageView = $this->get($page->getUrl());

562 $this->withHtml($pageView)->assertElementExists('.page-content p > s');

563 }

564

565 public function test_page_markdown_single_html_comment_saving()

566 {

567 $this->asEditor();

568 $page = $this->entities->page();

569

570 $content = '';

571 $this->put($page->getUrl(), [

572 'name' => $page->name, 'markdown' => $content,

573 'html' => '', 'summary' => '',

574 ]);

575

576 $page->refresh();

577 $this->assertStringMatchesFormat($content, $page->html);

578

579 $pageView = $this->get($page->getUrl());

580 $pageView->assertStatus(200);

581 $pageView->assertSee($content, false);

582 }

583

584 public function test_base64_images_get_extracted_from_page_content()

585 {

586 $this->asEditor();

587 $page = $this->entities->page();

588

589 $this->put($page->getUrl(), [

590 'name' => $page->name, 'summary' => '',

591 'html' => '<p>test<img src="data:image/jpeg;base64,' . $this->base64Jpeg . '"/></p>',

592 ]);

593

594 $page->refresh();

595 $this->assertStringMatchesFormat('%A<p%A>test<img src="http://localhost/uploads/images/gallery/%A.jpeg">%A</p>%A', $page->html);

596

597 $matches = [];

598 preg_match('/src="https:\/\/p.rizon.top:443\/http\/localhost(.*?)"/', $page->html, $matches);

599 $imagePath = $matches[1];

600 $imageFile = public_path($imagePath);

601 $this->assertEquals(base64_decode($this->base64Jpeg), file_get_contents($imageFile));

602

603 $this->files->deleteAtRelativePath($imagePath);

604 }

605

606 public function test_base64_images_get_extracted_when_containing_whitespace()

607 {

608 $this->asEditor();

609 $page = $this->entities->page();

610

611 $base64PngWithWhitespace = "iVBORw0KGg\noAAAANSUhE\tUgAAAAEAAAA BCA YAAAAfFcSJAAA\n\t ACklEQVR4nGMAAQAABQAB";

612 $base64PngWithoutWhitespace = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQAB';

613 $this->put($page->getUrl(), [

614 'name' => $page->name, 'summary' => '',

615 'html' => '<p>test<img src="data:image/png;base64,' . $base64PngWithWhitespace . '"/></p>',

616 ]);

617

618 $page->refresh();

619 $this->assertStringMatchesFormat('%A<p%A>test<img src="http://localhost/uploads/images/gallery/%A.png">%A</p>%A', $page->html);

620

621 $matches = [];

622 preg_match('/src="https:\/\/p.rizon.top:443\/http\/localhost(.*?)"/', $page->html, $matches);

623 $imagePath = $matches[1];

624 $imageFile = public_path($imagePath);

625 $this->assertEquals(base64_decode($base64PngWithoutWhitespace), file_get_contents($imageFile));

626

627 $this->files->deleteAtRelativePath($imagePath);

628 }

629

630 public function test_base64_images_within_html_blanked_if_not_supported_extension_for_extract()

631 {

632 // Relevant to https://github.com/BookStackApp/BookStack/issues/3010 and other cases

633 $extensions = [

634 'jiff', 'pngr', 'png ', ' png', '.png', 'png.', 'p.ng', ',png',

635 'data:image/png', ',data:image/png',

636 ];

637

638 foreach ($extensions as $extension) {

639 $this->asEditor();

640 $page = $this->entities->page();

641

642 $this->put($page->getUrl(), [

643 'name' => $page->name, 'summary' => '',

644 'html' => '<p>test<img src="data:image/' . $extension . ';base64,' . $this->base64Jpeg . '"/></p>',

645 ]);

646

647 $page->refresh();

648 $this->assertStringContainsString('<img src=""', $page->html);

649 }

650 }

651

652 public function test_base64_images_get_extracted_from_markdown_page_content()

653 {

654 $this->asEditor();

655 $page = $this->entities->page();

656

657 $this->put($page->getUrl(), [

658 'name' => $page->name, 'summary' => '',

659 'markdown' => 'test ![test](data:image/jpeg;base64,' . $this->base64Jpeg . ')',

660 ]);

661

662 $page->refresh();

663 $this->assertStringMatchesFormat('%A<p%A>test <img src="http://localhost/uploads/images/gallery/%A.jpeg" alt="test">%A</p>%A', $page->html);

664

665 $matches = [];

666 preg_match('/src="https:\/\/p.rizon.top:443\/http\/localhost(.*?)"/', $page->html, $matches);

667 $imagePath = $matches[1];

668 $imageFile = public_path($imagePath);

669 $this->assertEquals(base64_decode($this->base64Jpeg), file_get_contents($imageFile));

670

671 $this->files->deleteAtRelativePath($imagePath);

672 }

673

674 public function test_markdown_base64_extract_not_limited_by_pcre_limits()

675 {

676 $pcreBacktrackLimit = ini_get('pcre.backtrack_limit');

677 $pcreRecursionLimit = ini_get('pcre.recursion_limit');

678

679 $this->asEditor();

680 $page = $this->entities->page();

681

682 ini_set('pcre.backtrack_limit', '500');

683 ini_set('pcre.recursion_limit', '500');

684

685 $content = str_repeat('a', 5000);

686 $base64Content = base64_encode($content);

687

688 $this->put($page->getUrl(), [

689 'name' => $page->name, 'summary' => '',

690 'markdown' => 'test ![test](data:image/jpeg;base64,' . $base64Content . ') ![test](data:image/jpeg;base64,' . $base64Content . ')',

691 ]);

692

693 $page->refresh();

694 $this->assertStringMatchesFormat('<p%A>test <img src="http://localhost/uploads/images/gallery/%A.jpeg" alt="test"> <img src="http://localhost/uploads/images/gallery/%A.jpeg" alt="test">%A</p>%A', $page->html);

695

696 $matches = [];

697 preg_match('/src="https:\/\/p.rizon.top:443\/http\/localhost(.*?)"/', $page->html, $matches);

698 $imagePath = $matches[1];

699 $imageFile = public_path($imagePath);

700 $this->assertEquals($content, file_get_contents($imageFile));

701

702 $this->files->deleteAtRelativePath($imagePath);

703 ini_set('pcre.backtrack_limit', $pcreBacktrackLimit);

704 ini_set('pcre.recursion_limit', $pcreRecursionLimit);

705 }

706