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Merge pull request #2285 from hafriedlander/fix/flush_30

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FIX Flush on memory exhaustion and when headers sent
This commit is contained in:
Ingo Schommer 2013-08-06 14:22:16 -07:00
commit f037cf0781
6 changed files with 91 additions and 11 deletions
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7
core/Constants.php
View File

@ -54,6 +54,13 @@ do {
///////////////////////////////////////////////////////////////////////////////
// GLOBALS AND DEFINE SETTING
function stripslashes_recursively(&$array) {
foreach($array as $k => $v) {
if(is_array($v)) stripslashes_recursively($array[$k]);
else $array[$k] = stripslashes($v);
}
}
/**
* A blank HTTP_HOST value is used to detect command-line execution.
* We update the $_SERVER variable to contain data consistent with the rest of the application.

7
core/Core.php
View File

@ -164,13 +164,6 @@ function project() {
return $project;
}
function stripslashes_recursively(&$array) {
foreach($array as $k => $v) {
if(is_array($v)) stripslashes_recursively($array[$k]);
else $array[$k] = stripslashes($v);
}
}
/**
* @see i18n::_t()
*/

24
core/startup/ErrorControlChain.php
View File

@ -74,9 +74,33 @@ class ErrorControlChain {
return $error && ($error['type'] & self::$fatal_errors) != 0;
}
protected function lastErrorWasMemoryExhaustion() {
$error = error_get_last();
$message = $error ? $error['message'] : '';
return stripos($message, 'memory') !== false && stripos($message, 'exhausted') !== false;
}
static $transtable = array(
'k' => 1024,
'm' => 1048576,
'g' => 1073741824
);
protected function translateMemstring($memString) {
$char = strtolower(substr($memString, -1));
$fact = isset(self::$transtable[$char]) ? self::$transtable[$char] : 1;
return ((int)$memString) * $fact;
}
public function handleFatalError() {
if ($this->handleFatalErrors && $this->suppression) {
if ($this->lastErrorWasFatal()) {
if ($this->lastErrorWasMemoryExhaustion()) {
// Bump up memory limit by an arbitrary 10% / 10MB (whichever is bigger) since we've run out
$cur = $this->translateMemstring(ini_get('memory_limit'));
if ($cur != -1) ini_set('memory_limit', $cur + max(round($cur*0.1), 10000000));
}
$this->error = true;
$this->step();
}

11
core/startup/ParameterConfirmationToken.php
View File

@ -91,10 +91,17 @@ class ParameterConfirmationToken {
unset($params['url']);
// Join them all together into the original URL
$location = "$proto://" . $host . BASE_URL . $url . ($params ? '?'.http_build_query($params) : '');
$location = "$proto://" . $host . '/' . ltrim(BASE_URL, '/') . $url . ($params ? '?'.http_build_query($params) : '');
// And redirect
header('location: '.$location, true, 302);
if (headers_sent()) {
echo "
<script>location.href='$location';</script>
<noscript><meta http-equiv='refresh' content='0; url=$location'></noscript>
You are being redirected. If you are not redirected soon, <a href='$location'>click here to continue the flush</a>
";
}
else header('location: '.$location, true, 302);
die;
}
}

12
dev/install/install.php5
View File

@ -1222,8 +1222,12 @@ PHP
$this->statusMessage("Checking that friendly URLs work...");
$this->checkRewrite();
} else {
require_once 'core/startup/ParameterConfirmationToken.php';
$token = new ParameterConfirmationToken('flush');
$params = http_build_query($token->params());
$destinationURL = 'index.php/' .
($this->checkModuleExists('cms') ? 'home/successfullyinstalled?flush=1' : '?flush=1');
($this->checkModuleExists('cms') ? "home/successfullyinstalled?$params" : "?$params");
echo <<<HTML
<li>SilverStripe successfully installed; I am now redirecting you to your SilverStripe site...</li>
@ -1361,8 +1365,12 @@ TEXT;
}
function checkRewrite() {
require_once 'core/startup/ParameterConfirmationToken.php';
$token = new ParameterConfirmationToken('flush');
$params = http_build_query($token->params());
$destinationURL = str_replace('install.php', '', $_SERVER['SCRIPT_NAME']) .
($this->checkModuleExists('cms') ? 'home/successfullyinstalled?flush=1' : '?flush=1');
($this->checkModuleExists('cms') ? "home/successfullyinstalled?$params" : "?$params");
echo <<<HTML
<li id="ModRewriteResult">Testing...</li>

41
tests/core/startup/ErrorControlChainTest.php
View File

@ -8,6 +8,11 @@
*/
class ErrorControlChainTest_Chain extends ErrorControlChain {
// Change function visibility to be testable directly
public function translateMemstring($memstring) {
return parent::translateMemstring($memstring);
}
function executeInSubprocess() {
// Get the path to the ErrorControlChain class
$classpath = SS_ClassLoader::instance()->getItemPath('ErrorControlChain');
@ -114,6 +119,23 @@ class ErrorControlChainTest extends SapphireTest {
->executeInSubprocess();
$this->assertEquals('Done', $out);
// Memory exhaustion
$chain = new ErrorControlChainTest_Chain();
list($out, $code) = $chain
->then(function(){
ini_set('memory_limit', '10M');
$a = array();
while(1) $a[] = 1;
})
->thenIfErrored(function(){
echo "Done";
})
->executeInSubprocess();
$this->assertEquals('Done', $out);
}
function testExceptionSuppression() {
@ -238,4 +260,23 @@ class ErrorControlChainTest extends SapphireTest {
$this->assertContains("Good", $out);
}
function testMemoryConversion() {
$chain = new ErrorControlChainTest_Chain();
$this->assertEquals(200, $chain->translateMemstring('200'));
$this->assertEquals(300, $chain->translateMemstring('300'));
$this->assertEquals(2 * 1024, $chain->translateMemstring('2k'));
$this->assertEquals(3 * 1024, $chain->translateMemstring('3K'));
$this->assertEquals(2 * 1024 * 1024, $chain->translateMemstring('2m'));
$this->assertEquals(3 * 1024 * 1024, $chain->translateMemstring('3M'));
$this->assertEquals(2 * 1024 * 1024 * 1024, $chain->translateMemstring('2g'));
$this->assertEquals(3 * 1024 * 1024 * 1024, $chain->translateMemstring('3G'));
$this->assertEquals(200, $chain->translateMemstring('200foo'));
$this->assertEquals(300, $chain->translateMemstring('300foo'));
}
}