| Current File : /var/www/pediatribu/wp-content/plugins/webp-express/lib/classes/SelfTestRedirectToConverter.php |
<?php
namespace WebPExpress;
class SelfTestRedirectToConverter extends SelfTestRedirectAbstract
{
/**
* Run test for either jpeg or png
*
* @param string $rootId (ie "uploads" or "themes")
* @param string $imageType ("jpeg" or "png")
* @return array [$success, $log, $createdTestFiles]
*/
protected function runTestForImageType($rootId, $imageType)
{
$log = [];
$createdTestFiles = false;
$noWarningsYet = true;
$htaccessFile = Paths::getAbsDirById($rootId) . '/.htaccess';
if (!FileHelper::fileExists($htaccessFile)) {
$log[] = '**Warning: There is no .htaccess file in the ' . $rootId . ' folder!**{: .warn} (did you save settings yet?)';
$noWarningsYet = false;
} elseif (!HTAccess::haveWeRulesInThisHTAccess($htaccessFile)) {
$log[] = '**Warning: There are no WebP Express rules in the .htaccess file in the ' . $rootId . ' folder!**{: .warn}';
$noWarningsYet = false;
}
// Copy test image (jpeg)
list($subResult, $success, $sourceFileName) = SelfTestHelper::copyTestImageToRoot($rootId, $imageType);
$log = array_merge($log, $subResult);
if (!$success) {
$log[] = 'The test cannot be completed';
return [false, $log, $createdTestFiles];
}
$createdTestFiles = true;
$requestUrl = Paths::getUrlById($rootId) . '/webp-express-test-images/' . $sourceFileName;
$log[] = '### Lets check that browsers supporting webp gets a freshly converted WEBP ' .
'when the ' . $imageType . ' is requested';
$log[] = 'Making a HTTP request for the test image (pretending to be a client that supports webp, by setting the "Accept" header to "image/webp")';
$requestArgs = [
'headers' => [
'ACCEPT' => 'image/webp'
],
];
list($success, $remoteGetLog, $results) = SelfTestHelper::remoteGet($requestUrl, $requestArgs);
$headers = $results[count($results)-1]['headers'];
$log = array_merge($log, $remoteGetLog);
if (!$success) {
//$log[count($log) - 1] .= '. FAILED';
$log[] = 'The request FAILED';
//$log = array_merge($log, $remoteGetLog);
if (isset($results[0]['response']['code'])) {
$responseCode = $results[0]['response']['code'];
if (($responseCode == 500) || ($responseCode == 403)) {
$log = array_merge($log, SelfTestHelper::diagnoseWod403or500($this->config, $rootId, $responseCode));
//$log[] = 'or that there is an .htaccess file in the ';
}
// $log[] = print_r($results[0]['response']['code'], true);
}
//$log[] = 'The test cannot be completed';
//$log[count($log) - 1] .= '. FAILED';
return [false, $log, $createdTestFiles];
}
//$log[count($log) - 1] .= '. ok!';
//$log[] = '*' . $requestUrl . '*';
//$log = array_merge($log, SelfTestHelper::printHeaders($headers));
if (!isset($headers['content-type'])) {
$log[] = 'Bummer. There is no "content-type" response header. The test FAILED';
return [false, $log, $createdTestFiles];
}
if ($headers['content-type'] == 'image/' . $imageType) {
$log[] = 'Bummer. As the "content-type" header reveals, we got the ' . $imageType . '.';
$log[] = 'The test **failed**{: .error}.';
$log[] = 'Now, what went wrong?';
if (isset($headers['x-webp-convert-log'])) {
//$log[] = 'Inspect the "x-webp-convert-log" headers above, and you ' .
// 'should have your answer (it is probably because you do not have any conversion methods working).';
if (SelfTestHelper::hasHeaderContaining($headers, 'x-webp-convert-log', 'Performing fail action: original')) {
$log[] = 'The answer lies in the "x-convert-log" response headers: ' .
'**The conversion failed**{: .error}. ';
}
} else {
$log[] = 'Well, there is indication that the redirection isnt working. ' .
'The PHP script should set "x-webp-convert-log" response headers, but there are none. ';
'While these headers could have been eaten in a Cloudflare-like setup, the problem is ';
'probably that the redirection simply failed';
$log[] = '### Diagnosing redirection problems';
$log = array_merge($log, SelfTestHelper::diagnoseFailedRewrite($this->config, $headers));
}
return [false, $log, $createdTestFiles];
}
if ($headers['content-type'] != 'image/webp') {
$log[] = 'However. As the "content-type" header reveals, we did not get a webp' .
'Surprisingly we got: "' . $headers['content-type'] . '"';
$log[] = 'The test FAILED.';
return [false, $log, $createdTestFiles];
}
if (isset($headers['x-webp-convert-log'])) {
$log[] = 'Alrighty. We got a webp, and we got it from the PHP script. **Great!**{: .ok}';
} else {
if (count($results) > 1) {
if (isset($results[0]['headers']['x-webp-convert-log'])) {
$log[] = '**Great!**{: .ok}. The PHP script created a webp and redirected the image request ' .
'back to itself. A refresh, if you wish. The refresh got us the webp (relying on there being ' .
'a rule which redirect images to existing converted images for webp-enabled browsers - which there is!). ' .
(SelfTestHelper::hasVaryAcceptHeader($headers) ? 'And we got the Vary:Accept header set too. **Super!**{: .ok}!' : '');
}
} else {
$log[] = 'We got a webp. However, it seems we did not get it from the PHP script.';
}
//$log[] = print_r($return, true);
//error_log(print_r($return, true));
}
if (!SelfTestHelper::hasVaryAcceptHeader($headers)) {
$log = array_merge($log, SelfTestHelper::diagnoseNoVaryHeader($rootId, 'webp-on-demand'));
$noWarningsYet = false;
}
if (!SelfTestHelper::hasCacheControlOrExpiresHeader($headers)) {
$log[] = '**Notice: No cache-control or expires header has been set. ' .
'It is recommended to do so. Set it nice and big once you are sure the webps have a good quality/compression compromise.**{: .warn}';
}
$log[] = '';
// Check browsers NOT supporting webp
// -----------------------------------
$log[] = '### Now lets check that browsers *not* supporting webp gets the ' . strtoupper($imageType);
$log[] = 'Making a HTTP request for the test image (without setting the "Accept" header)';
list($success, $remoteGetLog, $results) = SelfTestHelper::remoteGet($requestUrl);
$headers = $results[count($results)-1]['headers'];
$log = array_merge($log, $remoteGetLog);
if (!$success) {
$log[] = 'The request FAILED';
$log[] = 'The test cannot be completed';
//$log[count($log) - 1] .= '. FAILED';
return [false, $log, $createdTestFiles];
}
//$log[count($log) - 1] .= '. ok!';
//$log[] = '*' . $requestUrl . '*';
//$log = array_merge($log, SelfTestHelper::printHeaders($headers));
if (!isset($headers['content-type'])) {
$log[] = 'Bummer. There is no "content-type" response header. The test FAILED';
return [false, $log, $createdTestFiles];
}
if ($headers['content-type'] == 'image/webp') {
$log[] = '**Bummer**{: .error}. As the "content-type" header reveals, we got the webp. ' .
'So even browsers not supporting webp gets webp. Not good!';
$log[] = 'The test FAILED.';
$log[] = '### What to do now?';
// TODO: We could examine the headers for common CDN responses
$log[] = 'First, examine the response headers above. Is there any indication that ' .
'the image is returned from a CDN cache? ' .
$log[] = 'If there is: Check out the ' .
'*How do I configure my CDN in “Varied image responses” operation mode?* section in the FAQ ' .
'(https://wordpress.org/plugins/webp-express/)';
if (PlatformInfo::isApache()) {
$log[] = 'If not: please report this in the forum, as it seems the .htaccess rules ';
$log[] = 'just arent working on your system.';
} elseif (PlatformInfo::isNginx()) {
$log[] = 'Also, as you are on Nginx, check out the ' .
' "I am on Nginx" section in the FAQ (https://wordpress.org/plugins/webp-express/)';
} else {
$log[] = 'If not: please report this in the forum, as it seems that there is something ' .
'in the *.htaccess* rules generated by WebP Express that are not working.';
}
$log[] = '### System info (for manual diagnosing):';
$log = array_merge($log, SelfTestHelper::allInfo($this->config));
return [false, $log, $createdTestFiles];
}
if ($headers['content-type'] != 'image/' . $imageType) {
$log[] = 'Bummer. As the "content-type" header reveals, we did not get the ' . $imageType .
'Surprisingly we got: "' . $headers['content-type'] . '"';
$log[] = 'The test FAILED.';
return [false, $log, $createdTestFiles];
}
$log[] = 'Alrighty. We got the ' . $imageType . '. **Great!**{: .ok}.';
if (!SelfTestHelper::hasVaryAcceptHeader($headers)) {
$log = array_merge($log, SelfTestHelper::diagnoseNoVaryHeader($rootId, 'webp-on-demand'));
$noWarningsYet = false;
}
return [$noWarningsYet, $log, $createdTestFiles];
}
protected function getSuccessMessage()
{
return 'Everything **seems to work**{: .ok} as it should. ' .
'However, a check is on the TODO: ' .
'TODO: Check that disabled image types does not get converted. ';
}
public function startupTests()
{
$log[] = '# Testing redirection to converter';
if (!$this->config['enable-redirection-to-converter']) {
$log[] = 'Turned off, nothing to test (if you just turned it on without saving, remember: this is a live test so you need to save settings)';
return [false, $log];
}
return [true, $log];
}
public static function runTest()
{
$config = Config::loadConfigAndFix(false);
$me = new SelfTestRedirectToConverter($config);
return $me->startTest();
}
}