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_content_scripts_removed_by_default()

112 {

113 $this->asEditor();

114 $page = $this->entities->page();

115 $script = 'abc123<script>console.log("hello-test")</script>abc123';

116 $page->html = "escape {$script}";

117 $page->save();

118

119 $pageView = $this->get($page->getUrl());

120 $pageView->assertStatus(200);

121 $pageView->assertDontSee($script, false);

122 $pageView->assertSee('abc123abc123');

123 }

124

125 public function test_more_complex_content_script_escaping_scenarios()

126 {

127 $checks = [

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

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

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

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

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

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

134 ];

135

136 $this->asEditor();

137 $page = $this->entities->page();

138

139 foreach ($checks as $check) {

140 $page->html = $check;

141 $page->save();

142

143 $pageView = $this->get($page->getUrl());

144 $pageView->assertStatus(200);

145 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<script>');

146 $this->withHtml($pageView)->assertElementNotContains('.page-content', '</script>');

147 }

148 }

149

150 public function test_js_and_base64_src_urls_are_removed()

151 {

152 $checks = [

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

170 ];

171

172 $this->asEditor();

173 $page = $this->entities->page();

174

175 foreach ($checks as $check) {

176 $page->html = $check;

177 $page->save();

178

179 $pageView = $this->get($page->getUrl());

180 $pageView->assertStatus(200);

181 $html = $this->withHtml($pageView);

182 $html->assertElementNotContains('.page-content', '<iframe>');

183 $html->assertElementNotContains('.page-content', '<img');

184 $html->assertElementNotContains('.page-content', '</iframe>');

185 $html->assertElementNotContains('.page-content', 'src=');

186 $html->assertElementNotContains('.page-content', 'javascript:');

187 $html->assertElementNotContains('.page-content', 'data:');

188 $html->assertElementNotContains('.page-content', 'base64');

189 }

190 }

191

192 public function test_javascript_uri_links_are_removed()

193 {

194 $checks = [

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

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

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

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

199 ];

200

201 $this->asEditor();

202 $page = $this->entities->page();

203

204 foreach ($checks as $check) {

205 $page->html = $check;

206 $page->save();

207

208 $pageView = $this->get($page->getUrl());

209 $pageView->assertStatus(200);

210 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<a id="xss"');

211 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'href=javascript:');

212 }

213 }

214

215 public function test_form_actions_with_javascript_are_removed()

216 {

217 $checks = [

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

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

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

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

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

223 ];

224

225 $this->asEditor();

226 $page = $this->entities->page();

227

228 foreach ($checks as $check) {

229 $page->html = $check;

230 $page->save();

231

232 $pageView = $this->get($page->getUrl());

233 $pageView->assertStatus(200);

234 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<button id="xss"');

235 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<input id="xss"');

236 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<form id="xss"');

237 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'action=javascript:');

238 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'formaction=javascript:');

239 }

240 }

241

242 public function test_metadata_redirects_are_removed()

243 {

244 $checks = [

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

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

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

248 ];

249

250 $this->asEditor();

251 $page = $this->entities->page();

252

253 foreach ($checks as $check) {

254 $page->html = $check;

255 $page->save();

256

257 $pageView = $this->get($page->getUrl());

258 $pageView->assertStatus(200);

259 $this->withHtml($pageView)->assertElementNotContains('.page-content', '<meta>');

260 $this->withHtml($pageView)->assertElementNotContains('.page-content', '</meta>');

261 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'content=');

262 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'external_url');

263 }

264 }

265

266 public function test_page_inline_on_attributes_removed_by_default()

267 {

268 $this->asEditor();

269 $page = $this->entities->page();

270 $script = '<p onmouseenter="console.log(\'test\')">Hello</p>';

271 $page->html = "escape {$script}";

272 $page->save();

273

274 $pageView = $this->get($page->getUrl());

275 $pageView->assertStatus(200);

276 $pageView->assertDontSee($script, false);

277 $pageView->assertSee('<p>Hello</p>', false);

278 }

279

280 public function test_more_complex_inline_on_attributes_escaping_scenarios()

281 {

282 $checks = [

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

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

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

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

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

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

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

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

291 ];

292

293 $this->asEditor();

294 $page = $this->entities->page();

295

296 foreach ($checks as $check) {

297 $page->html = $check;

298 $page->save();

299

300 $pageView = $this->get($page->getUrl());

301 $pageView->assertStatus(200);

302 $this->withHtml($pageView)->assertElementNotContains('.page-content', 'onclick');

303 }

304 }

305

306 public function test_page_content_scripts_show_when_configured()

307 {

308 $this->asEditor();

309 $page = $this->entities->page();

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

311

312 $script = 'abc123<script>console.log("hello-test")</script>abc123';

313 $page->html = "no escape {$script}";

314 $page->save();

315

316 $pageView = $this->get($page->getUrl());

317 $pageView->assertSee($script, false);

318 $pageView->assertDontSee('abc123abc123');

319 }

320

321 public function test_svg_script_usage_is_removed()

322 {

323 $checks = [

324 '<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>',

325 '<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>',

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

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

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

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

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

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

332 ];

333

334 $this->asEditor();

335 $page = $this->entities->page();

336

337 foreach ($checks as $check) {

338 $page->html = $check;

339 $page->save();

340

341 $pageView = $this->get($page->getUrl());

342 $pageView->assertStatus(200);

343 $html = $this->withHtml($pageView);

344 $html->assertElementNotContains('.page-content', 'alert');

345 $html->assertElementNotContains('.page-content', 'xlink:href');

346 $html->assertElementNotContains('.page-content', 'application/xml');

347 $html->assertElementNotContains('.page-content', 'javascript');

348 }

349 }

350

351 public function test_page_inline_on_attributes_show_if_configured()

352 {

353 $this->asEditor();

354 $page = $this->entities->page();

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

356

357 $script = '<p onmouseenter="console.log(\'test\')">Hello</p>';

358 $page->html = "escape {$script}";

359 $page->save();

360

361 $pageView = $this->get($page->getUrl());

362 $pageView->assertSee($script, false);

363 $pageView->assertDontSee('<p>Hello</p>', false);

364 }

365

366 public function test_duplicate_ids_does_not_break_page_render()

367 {

368 $this->asEditor();

369 $pageA = Page::query()->first();

370 $pageB = Page::query()->where('id', '!=', $pageA->id)->first();

371

372 $content = '<ul id="bkmrk-xxx-%28"></ul> <ul id="bkmrk-xxx-%28"></ul>';

373 $pageA->html = $content;

374 $pageA->save();

375

376 $pageB->html = '<ul id="bkmrk-xxx-%28"></ul> <p>{{@' . $pageA->id . '#test}}</p>';

377 $pageB->save();

378

379 $pageView = $this->get($pageB->getUrl());

380 $pageView->assertSuccessful();

381 }

382

383 public function test_duplicate_ids_fixed_on_page_save()

384 {

385 $this->asEditor();

386 $page = $this->entities->page();

387

388 $content = '<ul id="bkmrk-test"><li>test a</li><li><ul id="bkmrk-test"><li>test b</li></ul></li></ul>';

389 $pageSave = $this->put($page->getUrl(), [

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

391 'html' => $content,

392 'summary' => '',

393 ]);

394 $pageSave->assertRedirect();

395

396 $updatedPage = Page::query()->where('id', '=', $page->id)->first();

397 $this->assertEquals(substr_count($updatedPage->html, 'bkmrk-test"'), 1);

398 }

399

400 public function test_anchors_referencing_non_bkmrk_ids_rewritten_after_save()

401 {

402 $this->asEditor();

403 $page = $this->entities->page();

404

405 $content = '<h1 id="non-standard-id">test</h1><p><a href="#non-standard-id">link</a></p>';

406 $this->put($page->getUrl(), [

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

408 'html' => $content,

409 'summary' => '',

410 ]);

411

412 $updatedPage = Page::query()->where('id', '=', $page->id)->first();

413 $this->assertStringContainsString('id="bkmrk-test"', $updatedPage->html);

414 $this->assertStringContainsString('href="#bkmrk-test"', $updatedPage->html);

415 }

416

417 public function test_get_page_nav_sets_correct_properties()

418 {

419 $content = '<h1 id="testa">Hello</h1><h2 id="testb">There</h2><h3 id="testc">Donkey</h3>';

420 $pageContent = new PageContent(new Page(['html' => $content]));

421 $navMap = $pageContent->getNavigation($content);

422

423 $this->assertCount(3, $navMap);

424 $this->assertArrayMapIncludes([

425 'nodeName' => 'h1',

426 'link' => '#testa',

427 'text' => 'Hello',

428 'level' => 1,

429 ], $navMap[0]);

430 $this->assertArrayMapIncludes([

431 'nodeName' => 'h2',

432 'link' => '#testb',

433 'text' => 'There',

434 'level' => 2,

435 ], $navMap[1]);

436 $this->assertArrayMapIncludes([

437 'nodeName' => 'h3',

438 'link' => '#testc',

439 'text' => 'Donkey',

440 'level' => 3,

441 ], $navMap[2]);

442 }

443

444 public function test_get_page_nav_does_not_show_empty_titles()

445 {

446 $content = '<h1 id="testa">Hello</h1><h2 id="testb"> </h2><h3 id="testc"></h3>';

447 $pageContent = new PageContent(new Page(['html' => $content]));

448 $navMap = $pageContent->getNavigation($content);

449

450 $this->assertCount(1, $navMap);

451 $this->assertArrayMapIncludes([

452 'nodeName' => 'h1',

453 'link' => '#testa',

454 'text' => 'Hello',

455 ], $navMap[0]);

456 }

457

458 public function test_get_page_nav_shifts_headers_if_only_smaller_ones_are_used()

459 {

460 $content = '<h4 id="testa">Hello</h4><h5 id="testb">There</h5><h6 id="testc">Donkey</h6>';

461 $pageContent = new PageContent(new Page(['html' => $content]));

462 $navMap = $pageContent->getNavigation($content);

463

464 $this->assertCount(3, $navMap);

465 $this->assertArrayMapIncludes([

466 'nodeName' => 'h4',

467 'level' => 1,

468 ], $navMap[0]);

469 $this->assertArrayMapIncludes([

470 'nodeName' => 'h5',

471 'level' => 2,

472 ], $navMap[1]);

473 $this->assertArrayMapIncludes([

474 'nodeName' => 'h6',

475 'level' => 3,

476 ], $navMap[2]);

477 }

478

479 public function test_page_text_decodes_html_entities()

480 {

481 $page = $this->entities->page();

482

483 $this->actingAs($this->users->admin())

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

485 'name' => 'Testing',

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

487 ]);

488

489 $page->refresh();

490 $this->assertEquals('"Hello & welcome"', $page->text);

491 }

492

493 public function test_page_markdown_table_rendering()

494 {

495 $this->asEditor();

496 $page = $this->entities->page();

497

498 $content = '| Syntax | Description |

499 | ----------- | ----------- |

500 | Header | Title |

501 | Paragraph | Text |';

502 $this->put($page->getUrl(), [

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

504 'html' => '', 'summary' => '',

505 ]);

506

507 $page->refresh();

508 $this->assertStringContainsString('</tbody>', $page->html);

509

510 $pageView = $this->get($page->getUrl());

511 $this->withHtml($pageView)->assertElementExists('.page-content table tbody td');

512 }

513

514 public function test_page_markdown_task_list_rendering()

515 {

516 $this->asEditor();

517 $page = $this->entities->page();

518

519 $content = '- [ ] Item a

520 - [x] Item b';

521 $this->put($page->getUrl(), [

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

523 'html' => '', 'summary' => '',

524 ]);

525

526 $page->refresh();

527 $this->assertStringContainsString('input', $page->html);

528 $this->assertStringContainsString('type="checkbox"', $page->html);

529

530 $pageView = $this->get($page->getUrl());

531 $this->withHtml($pageView)->assertElementExists('.page-content li.task-list-item input[type=checkbox]');

532 $this->withHtml($pageView)->assertElementExists('.page-content li.task-list-item input[type=checkbox][checked]');

533 }

534

535 public function test_page_markdown_strikethrough_rendering()

536 {

537 $this->asEditor();

538 $page = $this->entities->page();

539

540 $content = '~~some crossed out text~~';

541 $this->put($page->getUrl(), [

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

543 'html' => '', 'summary' => '',

544 ]);

545

546 $page->refresh();

547 $this->assertStringMatchesFormat('%A<s%A>some crossed out text</s>%A', $page->html);

548

549 $pageView = $this->get($page->getUrl());

550 $this->withHtml($pageView)->assertElementExists('.page-content p > s');

551 }

552

553 public function test_page_markdown_single_html_comment_saving()

554 {

555 $this->asEditor();

556 $page = $this->entities->page();

557

558 $content = '';

559 $this->put($page->getUrl(), [

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

561 'html' => '', 'summary' => '',

562 ]);

563

564 $page->refresh();

565 $this->assertStringMatchesFormat($content, $page->html);

566

567 $pageView = $this->get($page->getUrl());

568 $pageView->assertStatus(200);

569 $pageView->assertSee($content, false);

570 }

571

572 public function test_base64_images_get_extracted_from_page_content()

573 {

574 $this->asEditor();

575 $page = $this->entities->page();

576

577 $this->put($page->getUrl(), [

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

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

580 ]);

581

582 $page->refresh();

583 $this->assertStringMatchesFormat('%A<p%A>test<img src="http://localhost/uploads/images/gallery/%A.jpeg">%A</p>%A', $page->html);

584

585 $matches = [];

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

587 $imagePath = $matches[1];

588 $imageFile = public_path($imagePath);

589 $this->assertEquals(base64_decode($this->base64Jpeg), file_get_contents($imageFile));

590

591 $this->files->deleteAtRelativePath($imagePath);

592 }

593

594 public function test_base64_images_get_extracted_when_containing_whitespace()

595 {

596 $this->asEditor();

597 $page = $this->entities->page();

598

599 $base64PngWithWhitespace = "iVBORw0KGg\noAAAANSUhE\tUgAAAAEAAAA BCA YAAAAfFcSJAAA\n\t ACklEQVR4nGMAAQAABQAB";

600 $base64PngWithoutWhitespace = 'iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQAB';

601 $this->put($page->getUrl(), [

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

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

604 ]);

605

606 $page->refresh();

607 $this->assertStringMatchesFormat('%A<p%A>test<img src="http://localhost/uploads/images/gallery/%A.png">%A</p>%A', $page->html);

608

609 $matches = [];

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

611 $imagePath = $matches[1];

612 $imageFile = public_path($imagePath);

613 $this->assertEquals(base64_decode($base64PngWithoutWhitespace), file_get_contents($imageFile));

614

615 $this->files->deleteAtRelativePath($imagePath);

616 }

617

618 public function test_base64_images_within_html_blanked_if_not_supported_extension_for_extract()

619 {

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

621 $extensions = [

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

623 'data:image/png', ',data:image/png',

624 ];

625

626 foreach ($extensions as $extension) {

627 $this->asEditor();

628 $page = $this->entities->page();

629

630 $this->put($page->getUrl(), [

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

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

633 ]);

634

635 $page->refresh();

636 $this->assertStringContainsString('<img src=""', $page->html);

637 }

638 }

639

640 public function test_base64_images_get_extracted_from_markdown_page_content()

641 {

642 $this->asEditor();

643 $page = $this->entities->page();

644

645 $this->put($page->getUrl(), [

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

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

648 ]);

649

650 $page->refresh();

651 $this->assertStringMatchesFormat('%A<p%A>test <img src="http://localhost/uploads/images/gallery/%A.jpeg" alt="test">%A</p>%A', $page->html);

652

653 $matches = [];

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

655 $imagePath = $matches[1];

656 $imageFile = public_path($imagePath);

657 $this->assertEquals(base64_decode($this->base64Jpeg), file_get_contents($imageFile));

658

659 $this->files->deleteAtRelativePath($imagePath);

660 }

661

662 public function test_markdown_base64_extract_not_limited_by_pcre_limits()

663 {

664 $pcreBacktrackLimit = ini_get('pcre.backtrack_limit');

665 $pcreRecursionLimit = ini_get('pcre.recursion_limit');

666

667 $this->asEditor();

668 $page = $this->entities->page();

669

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

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

672

673 $content = str_repeat('a', 5000);

674 $base64Content = base64_encode($content);

675

676 $this->put($page->getUrl(), [

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

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

679 ]);

680

681 $page->refresh();

682 $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);

683

684 $matches = [];

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

686 $imagePath = $matches[1];

687 $imageFile = public_path($imagePath);

688 $this->assertEquals($content, file_get_contents($imageFile));

689

690 $this->files->deleteAtRelativePath($imagePath);

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

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

693 }

694