X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/0372efa89a059e55eb0179186b15a012d6196874..refs/pull/2393/head:/tests/Entity/PageContentTest.php

diff --git a/tests/Entity/PageContentTest.php b/tests/Entity/PageContentTest.php
index 8b0e180da..51a8568bf 100644
--- a/tests/Entity/PageContentTest.php
+++ b/tests/Entity/PageContentTest.php
@@ -1,7 +1,8 @@
-<?php namespace Tests;
+<?php namespace Tests\Entity;
 
-use BookStack\Page;
-use BookStack\Repos\EntityRepo;
+use BookStack\Entities\Tools\PageContent;
+use BookStack\Entities\Models\Page;
+use Tests\TestCase;
 
 class PageContentTest extends TestCase
 {
@@ -39,15 +40,18 @@ class PageContentTest extends TestCase
     {
         $page = Page::first();
         $secondPage = Page::where('id', '!=', $page->id)->first();
+
         $this->asEditor();
-        $page->html = "<p>{{@$secondPage->id}}</p>";
+        $includeTag = '{{@' . $secondPage->id . '}}';
+        $page->html = '<p>' . $includeTag . '</p>';
 
         $resp = $this->put($page->getUrl(), ['name' => $page->name, 'html' => $page->html, 'summary' => '']);
 
         $resp->assertStatus(302);
 
         $page = Page::find($page->id);
-        $this->assertContains("{{@$secondPage->id}}", $page->html);
+        $this->assertStringContainsString($includeTag, $page->html);
+        $this->assertEquals('', $page->text);
     }
 
     public function test_page_includes_do_not_break_tables()
@@ -67,62 +71,197 @@ class PageContentTest extends TestCase
         $pageResp->assertSee($content);
     }
 
-    public function test_page_revision_views_viewable()
+    public function test_page_includes_rendered_on_book_export()
     {
+        $page = Page::query()->first();
+        $secondPage = Page::query()
+            ->where('book_id', '!=', $page->book_id)
+            ->first();
+
+        $content = '<p id="bkmrk-meow">my cat is awesome and scratchy</p>';
+        $secondPage->html = $content;
+        $secondPage->save();
+
+        $page->html = "{{@{$secondPage->id}#bkmrk-meow}}";
+        $page->save();
+
         $this->asEditor();
+        $htmlContent = $this->get($page->book->getUrl('/export/html'));
+        $htmlContent->assertSee('my cat is awesome and scratchy');
+    }
 
-        $entityRepo = $this->app[EntityRepo::class];
+    public function test_page_content_scripts_removed_by_default()
+    {
+        $this->asEditor();
         $page = Page::first();
-        $entityRepo->updatePage($page, $page->book_id, ['name' => 'updated page', 'html' => '<p>new content</p>', 'summary' => 'page revision testing']);
-        $pageRevision = $page->revisions->last();
-
-        $revisionView = $this->get($page->getUrl() . '/revisions/' . $pageRevision->id);
-        $revisionView->assertStatus(200);
-        $revisionView->assertSee('new content');
+        $script = 'abc123<script>console.log("hello-test")</script>abc123';
+        $page->html = "escape {$script}";
+        $page->save();
 
-        $revisionView = $this->get($page->getUrl() . '/revisions/' . $pageRevision->id . '/changes');
-        $revisionView->assertStatus(200);
-        $revisionView->assertSee('new content');
+        $pageView = $this->get($page->getUrl());
+        $pageView->assertStatus(200);
+        $pageView->assertDontSee($script);
+        $pageView->assertSee('abc123abc123');
     }
 
-    public function test_page_revision_restore_updates_content()
+    public function test_more_complex_content_script_escaping_scenarios()
     {
+        $checks = [
+            "<p>Some script</p><script>alert('cat')</script>",
+            "<div><div><div><div><p>Some script</p><script>alert('cat')</script></div></div></div></div>",
+            "<p>Some script<script>alert('cat')</script></p>",
+            "<p>Some script <div><script>alert('cat')</script></div></p>",
+            "<p>Some script <script><div>alert('cat')</script></div></p>",
+            "<p>Some script <script><div>alert('cat')</script><script><div>alert('cat')</script></p><script><div>alert('cat')</script>",
+        ];
+
         $this->asEditor();
+        $page = Page::first();
+
+        foreach ($checks as $check) {
+            $page->html = $check;
+            $page->save();
+
+            $pageView = $this->get($page->getUrl());
+            $pageView->assertStatus(200);
+            $pageView->assertElementNotContains('.page-content', '<script>');
+            $pageView->assertElementNotContains('.page-content', '</script>');
+        }
 
-        $entityRepo = $this->app[EntityRepo::class];
+    }
+
+    public function test_iframe_js_and_base64_urls_are_removed()
+    {
+        $checks = [
+            '<iframe src="javascript:alert(document.cookie)"></iframe>',
+            '<iframe SRC=" javascript: alert(document.cookie)"></iframe>',
+            '<iframe src="data:text/html;base64,PHNjcmlwdD5hbGVydCgnaGVsbG8nKTwvc2NyaXB0Pg==" frameborder="0"></iframe>',
+            '<iframe src=" data:text/html;base64,PHNjcmlwdD5hbGVydCgnaGVsbG8nKTwvc2NyaXB0Pg==" frameborder="0"></iframe>',
+            '<iframe srcdoc="<script>window.alert(document.cookie)</script>"></iframe>'
+        ];
+
+        $this->asEditor();
         $page = Page::first();
-        $entityRepo->updatePage($page, $page->book_id, ['name' => 'updated page abc123', 'html' => '<p>new contente def456</p>', 'summary' => 'initial page revision testing']);
-        $entityRepo->updatePage($page, $page->book_id, ['name' => 'updated page again', 'html' => '<p>new content</p>', 'summary' => 'page revision testing']);
-        $page =  Page::find($page->id);
 
+        foreach ($checks as $check) {
+            $page->html = $check;
+            $page->save();
 
-        $pageView = $this->get($page->getUrl());
-        $pageView->assertDontSee('abc123');
-        $pageView->assertDontSee('def456');
+            $pageView = $this->get($page->getUrl());
+            $pageView->assertStatus(200);
+            $pageView->assertElementNotContains('.page-content', '<iframe>');
+            $pageView->assertElementNotContains('.page-content', '</iframe>');
+            $pageView->assertElementNotContains('.page-content', 'src=');
+            $pageView->assertElementNotContains('.page-content', 'javascript:');
+            $pageView->assertElementNotContains('.page-content', 'data:');
+            $pageView->assertElementNotContains('.page-content', 'base64');
+        }
 
-        $revToRestore = $page->revisions()->where('name', 'like', '%abc123')->first();
-        $restoreReq = $this->get($page->getUrl() . '/revisions/' . $revToRestore->id . '/restore');
-        $page =  Page::find($page->id);
+    }
 
-        $restoreReq->assertStatus(302);
-        $restoreReq->assertRedirect($page->getUrl());
+    public function test_javascript_uri_links_are_removed()
+    {
+        $checks = [
+            '<a id="xss" href="javascript:alert(document.cookie)>Click me</a>',
+            '<a id="xss" href="javascript: alert(document.cookie)>Click me</a>'
+        ];
 
-        $pageView = $this->get($page->getUrl());
-        $pageView->assertSee('abc123');
-        $pageView->assertSee('def456');
+        $this->asEditor();
+        $page = Page::first();
+
+        foreach ($checks as $check) {
+            $page->html = $check;
+            $page->save();
+
+            $pageView = $this->get($page->getUrl());
+            $pageView->assertStatus(200);
+            $pageView->assertElementNotContains('.page-content', '<a id="xss">');
+            $pageView->assertElementNotContains('.page-content', 'href=javascript:');
+        }
     }
+    public function test_form_actions_with_javascript_are_removed()
+    {
+        $checks = [
+            '<form><input id="xss" type=submit formaction=javascript:alert(document.domain) value=Submit><input></form>',
+            '<form ><button id="xss" formaction=javascript:alert(document.domain)>Click me</button></form>',
+            '<form id="xss" action=javascript:alert(document.domain)><input type=submit value=Submit></form>'
+        ];
+
+        $this->asEditor();
+        $page = Page::first();
 
-    public function test_page_content_scripts_escaped_by_default()
+        foreach ($checks as $check) {
+            $page->html = $check;
+            $page->save();
+
+            $pageView = $this->get($page->getUrl());
+            $pageView->assertStatus(200);
+            $pageView->assertElementNotContains('.page-content', '<button id="xss"');
+            $pageView->assertElementNotContains('.page-content', '<input id="xss"');
+            $pageView->assertElementNotContains('.page-content', '<form id="xss"');
+            $pageView->assertElementNotContains('.page-content', 'action=javascript:');
+            $pageView->assertElementNotContains('.page-content', 'formaction=javascript:');
+        }
+    }
+    
+    public function test_metadata_redirects_are_removed()
     {
+        $checks = [
+            '<meta http-equiv="refresh" content="0; url=//external_url">',
+        ];
+
         $this->asEditor();
         $page = Page::first();
-        $script = '<script>console.log("hello-test")</script>';
+
+        foreach ($checks as $check) {
+            $page->html = $check;
+            $page->save();
+
+            $pageView = $this->get($page->getUrl());
+            $pageView->assertStatus(200);
+            $pageView->assertElementNotContains('.page-content', '<meta>');
+            $pageView->assertElementNotContains('.page-content', '</meta>');
+            $pageView->assertElementNotContains('.page-content', 'content=');
+            $pageView->assertElementNotContains('.page-content', 'external_url');
+        }
+    }
+    public function test_page_inline_on_attributes_removed_by_default()
+    {
+        $this->asEditor();
+        $page = Page::first();
+        $script = '<p onmouseenter="console.log(\'test\')">Hello</p>';
         $page->html = "escape {$script}";
         $page->save();
 
         $pageView = $this->get($page->getUrl());
+        $pageView->assertStatus(200);
         $pageView->assertDontSee($script);
-        $pageView->assertSee(htmlentities($script));
+        $pageView->assertSee('<p>Hello</p>');
+    }
+
+    public function test_more_complex_inline_on_attributes_escaping_scenarios()
+    {
+        $checks = [
+            '<p onclick="console.log(\'test\')">Hello</p>',
+            '<div>Lorem ipsum dolor sit amet.</div><p onclick="console.log(\'test\')">Hello</p>',
+            '<div>Lorem ipsum dolor sit amet.<p onclick="console.log(\'test\')">Hello</p></div>',
+            '<div><div><div><div>Lorem ipsum dolor sit amet.<p onclick="console.log(\'test\')">Hello</p></div></div></div></div>',
+            '<div onclick="console.log(\'test\')">Lorem ipsum dolor sit amet.</div><p onclick="console.log(\'test\')">Hello</p><div></div>',
+            '<a a="<img src=1 onerror=\'alert(1)\'> ',
+        ];
+
+        $this->asEditor();
+        $page = Page::first();
+
+        foreach ($checks as $check) {
+            $page->html = $check;
+            $page->save();
+
+            $pageView = $this->get($page->getUrl());
+            $pageView->assertStatus(200);
+            $pageView->assertElementNotContains('.page-content', 'onclick');
+        }
+
     }
 
     public function test_page_content_scripts_show_when_configured()
@@ -130,13 +269,155 @@ class PageContentTest extends TestCase
         $this->asEditor();
         $page = Page::first();
         config()->push('app.allow_content_scripts', 'true');
-        $script = '<script>console.log("hello-test")</script>';
+
+        $script = 'abc123<script>console.log("hello-test")</script>abc123';
         $page->html = "no escape {$script}";
         $page->save();
 
         $pageView = $this->get($page->getUrl());
         $pageView->assertSee($script);
-        $pageView->assertDontSee(htmlentities($script));
+        $pageView->assertDontSee('abc123abc123');
     }
 
+    public function test_page_inline_on_attributes_show_if_configured()
+    {
+        $this->asEditor();
+        $page = Page::first();
+        config()->push('app.allow_content_scripts', 'true');
+
+        $script = '<p onmouseenter="console.log(\'test\')">Hello</p>';
+        $page->html = "escape {$script}";
+        $page->save();
+
+        $pageView = $this->get($page->getUrl());
+        $pageView->assertSee($script);
+        $pageView->assertDontSee('<p>Hello</p>');
+    }
+
+    public function test_duplicate_ids_does_not_break_page_render()
+    {
+        $this->asEditor();
+        $pageA = Page::first();
+        $pageB = Page::query()->where('id', '!=', $pageA->id)->first();
+
+        $content = '<ul id="bkmrk-xxx-%28"></ul> <ul id="bkmrk-xxx-%28"></ul>';
+        $pageA->html = $content;
+        $pageA->save();
+
+        $pageB->html = '<ul id="bkmrk-xxx-%28"></ul> <p>{{@'. $pageA->id .'#test}}</p>';
+        $pageB->save();
+
+        $pageView = $this->get($pageB->getUrl());
+        $pageView->assertSuccessful();
+    }
+
+    public function test_duplicate_ids_fixed_on_page_save()
+    {
+        $this->asEditor();
+        $page = Page::first();
+
+        $content = '<ul id="bkmrk-test"><li>test a</li><li><ul id="bkmrk-test"><li>test b</li></ul></li></ul>';
+        $pageSave = $this->put($page->getUrl(), [
+            'name' => $page->name,
+            'html' => $content,
+            'summary' => ''
+        ]);
+        $pageSave->assertRedirect();
+
+        $updatedPage = Page::where('id', '=', $page->id)->first();
+        $this->assertEquals(substr_count($updatedPage->html, "bkmrk-test\""), 1);
+    }
+
+    public function test_anchors_referencing_non_bkmrk_ids_rewritten_after_save()
+    {
+        $this->asEditor();
+        $page = Page::first();
+
+        $content = '<h1 id="non-standard-id">test</h1><p><a href="#non-standard-id">link</a></p>';
+        $this->put($page->getUrl(), [
+            'name' => $page->name,
+            'html' => $content,
+            'summary' => ''
+        ]);
+
+        $updatedPage = Page::where('id', '=', $page->id)->first();
+        $this->assertStringContainsString('id="bkmrk-test"', $updatedPage->html);
+        $this->assertStringContainsString('href="#bkmrk-test"', $updatedPage->html);
+    }
+
+    public function test_get_page_nav_sets_correct_properties()
+    {
+        $content = '<h1 id="testa">Hello</h1><h2 id="testb">There</h2><h3 id="testc">Donkey</h3>';
+        $pageContent = new PageContent(new Page(['html' => $content]));
+        $navMap = $pageContent->getNavigation($content);
+
+        $this->assertCount(3, $navMap);
+        $this->assertArrayMapIncludes([
+            'nodeName' => 'h1',
+            'link' => '#testa',
+            'text' => 'Hello',
+            'level' => 1,
+        ], $navMap[0]);
+        $this->assertArrayMapIncludes([
+            'nodeName' => 'h2',
+            'link' => '#testb',
+            'text' => 'There',
+            'level' => 2,
+        ], $navMap[1]);
+        $this->assertArrayMapIncludes([
+            'nodeName' => 'h3',
+            'link' => '#testc',
+            'text' => 'Donkey',
+            'level' => 3,
+        ], $navMap[2]);
+    }
+
+    public function test_get_page_nav_does_not_show_empty_titles()
+    {
+        $content = '<h1 id="testa">Hello</h1><h2 id="testb">&nbsp;</h2><h3 id="testc"></h3>';
+        $pageContent = new PageContent(new Page(['html' => $content]));
+        $navMap = $pageContent->getNavigation($content);
+
+        $this->assertCount(1, $navMap);
+        $this->assertArrayMapIncludes([
+            'nodeName' => 'h1',
+            'link' => '#testa',
+            'text' => 'Hello'
+        ], $navMap[0]);
+    }
+
+    public function test_get_page_nav_shifts_headers_if_only_smaller_ones_are_used()
+    {
+        $content = '<h4 id="testa">Hello</h4><h5 id="testb">There</h5><h6 id="testc">Donkey</h6>';
+        $pageContent = new PageContent(new Page(['html' => $content]));
+        $navMap = $pageContent->getNavigation($content);
+
+        $this->assertCount(3, $navMap);
+        $this->assertArrayMapIncludes([
+            'nodeName' => 'h4',
+            'level' => 1,
+        ], $navMap[0]);
+        $this->assertArrayMapIncludes([
+            'nodeName' => 'h5',
+            'level' => 2,
+        ], $navMap[1]);
+        $this->assertArrayMapIncludes([
+            'nodeName' => 'h6',
+            'level' => 3,
+        ], $navMap[2]);
+    }
+
+    public function test_page_text_decodes_html_entities()
+    {
+        $page = Page::query()->first();
+
+        $this->actingAs($this->getAdmin())
+            ->put($page->getUrl(''), [
+                'name' => 'Testing',
+                'html' => '<p>&quot;Hello &amp; welcome&quot;</p>',
+            ]);
+
+        $page->refresh();
+        $this->assertEquals('"Hello & welcome"', $page->text);
+    }
 }