/**
* Usually the revisions's content can just be displayed. In the event
* of moderation, however, that info should not be exposed.
*
* If a specific i18n message is available for a certain moderation level,
* that message will be returned (well, unless the user actually has the
* required permissions to view the full content). Otherwise, in normal
* cases, the full content will be returned.
*
* The content-type of the return value varies on the $format parameter.
* Further processing in the final output stage must escape all formats
* other than the default 'html'.
*
* @param AbstractRevision $revision Revision to display content for
* @param string[optional] $format Format to output content in (fixed-html|html|wikitext|plaintext)
* @return string HTML if requested, otherwise plain text
* @throws InvalidInputException
*/
public function getContent(AbstractRevision $revision, $format = 'fixed-html')
{
if (!in_array($format, array('fixed-html', 'html', 'plaintext', 'wikitext'))) {
throw new InvalidInputException('Invalid format: ' . $format);
}
$allowed = $this->permissions->isAllowed($revision, 'view');
// Posts require view access to the topic title as well
if ($allowed && $revision instanceof PostRevision && !$revision->isTopicTitle()) {
$allowed = $this->permissions->isAllowed($revision->getRootPost(), 'view');
}
if (!$allowed) {
// failsafe - never output content if permissions aren't satisfied!
return '';
}
try {
if ($format === 'fixed-html') {
// Parsoid doesn't render redlinks & doesn't strip bad images
$content = $this->contentFixer->getContent($revision);
} else {
// plaintext = wikitext
$format = $format === 'plaintext' ? 'wikitext' : $format;
$content = $revision->getContent($format);
}
} catch (\Exception $e) {
wfDebugLog('Flow', __METHOD__ . ': Failed to get content for rev_id = ' . $revision->getRevisionId()->getAlphadecimal());
\MWExceptionHandler::logException($e);
$content = wfMessage('flow-stub-post-content')->parse();
if (!in_array($format, array('html', 'fixed-html'))) {
$content = strip_tags($content);
}
}
return $content;
}
/**
* @dataProvider imageRemovalProvider
*/
public function testImageRemoval($message, $expect, $content, $badImageFilter)
{
$fixer = new ContentFixer(new BadImageRemover($badImageFilter));
$result = $fixer->apply($content, Title::newMainPage());
$this->assertEquals($expect, $result, $message);
}
/**
* @dataProvider baseHrefProvider
*/
public function testBaseHrefFixer($message, $expectedAfter, $before)
{
$fixer = new ContentFixer(new BaseHrefFixer('/wiki/$1'));
$result = $fixer->apply($before, Title::newMainPage());
$this->assertEquals($expectedAfter, $result, $message);
}
/**
* @dataProvider redLinkProvider
*/
public function testAppliesRedLinks($message, $anchor, $expect)
{
$fixer = new ContentFixer(new WikiLinkFixer($this->getMock('LinkBatch')));
$result = $fixer->apply($anchor, Title::newMainPage());
$this->assertContains($expect, $result, $message);
}