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ForbiddenCodeTest.php
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ForbiddenCodeTest.php
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<?php
namespace Psalm\Tests;
use Psalm\Config;
use Psalm\Context;
use Psalm\Exception\CodeException;
use Psalm\Internal\Analyzer\ProjectAnalyzer;
use Psalm\Internal\Provider\Providers;
use Psalm\Tests\Internal\Provider\FakeParserCacheProvider;
use Psalm\Tests\Traits\InvalidCodeAnalysisTestTrait;
use Psalm\Tests\Traits\ValidCodeAnalysisTestTrait;
use function dirname;
use function getcwd;
class ForbiddenCodeTest extends TestCase
{
use InvalidCodeAnalysisTestTrait;
use ValidCodeAnalysisTestTrait;
/**
* @return iterable<string,array{code:string,error_message:string,ignored_issues?:list<string>,php_version?:string}>
*/
public function providerInvalidCodeParse(): iterable
{
return [
'varDump' => [
'code' => '<?php
var_dump("hello");',
'error_message' => 'ForbiddenCode',
],
'varDumpCased' => [
'code' => '<?php
vAr_dUMp("hello");',
'error_message' => 'ForbiddenCode',
],
'execTicks' => [
'code' => '<?php
`rm -rf`;',
'error_message' => 'ForbiddenCode',
],
'exec' => [
'code' => '<?php
shell_exec("rm -rf");',
'error_message' => 'ForbiddenCode',
],
'execCased' => [
'code' => '<?php
sHeLl_EXeC("rm -rf");',
'error_message' => 'ForbiddenCode',
],
];
}
/**
* @return iterable<string,array{code:string,assertions?:array<string,string>,ignored_issues?:list<string>}>
*/
public function providerValidCodeParse(): iterable
{
return [
'execWithSuppression' => [
'code' => '<?php
@exec("pwd 2>&1", $output, $returnValue);
if ($returnValue === 0) {
echo "success";
}',
],
'execWithoutSuppression' => [
'code' => '<?php
exec("pwd 2>&1", $output, $returnValue);
if ($returnValue === 0) {
echo "success";
}',
],
];
}
public function testAllowedEchoFunction(): void
{
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm></psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
echo "hello";'
);
$this->analyzeFile($file_path, new Context());
}
public function testForbiddenEchoFunctionViaFunctions(): void
{
$this->expectExceptionMessage('ForbiddenCode');
$this->expectException(CodeException::class);
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm>
<forbiddenFunctions>
<function name="echo" />
</forbiddenFunctions>
</psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
echo "hello";'
);
$this->analyzeFile($file_path, new Context());
}
public function testAllowedPrintFunction(): void
{
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm></psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
print "hello";'
);
$this->analyzeFile($file_path, new Context());
}
public function testForbiddenPrintFunction(): void
{
$this->expectExceptionMessage('ForbiddenCode');
$this->expectException(CodeException::class);
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm>
<forbiddenFunctions>
<function name="print" />
</forbiddenFunctions>
</psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
print "hello";'
);
$this->analyzeFile($file_path, new Context());
}
public function testAllowedVarExportFunction(): void
{
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm></psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
$a = [1, 2, 3];
var_export($a);'
);
$this->analyzeFile($file_path, new Context());
}
public function testForbiddenVarExportFunction(): void
{
$this->expectExceptionMessage('ForbiddenCode');
$this->expectException(CodeException::class);
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm>
<forbiddenFunctions>
<function name="var_export" />
</forbiddenFunctions>
</psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
$a = [1, 2, 3];
var_export($a);'
);
$this->analyzeFile($file_path, new Context());
}
public function testForbiddenEmptyFunction(): void
{
$this->expectExceptionMessage('ForbiddenCode');
$this->expectException(CodeException::class);
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm>
<forbiddenFunctions>
<function name="empty" />
</forbiddenFunctions>
</psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
empty(false);'
);
$this->analyzeFile($file_path, new Context());
}
public function testForbiddenExitFunction(): void
{
$this->expectExceptionMessage('ForbiddenCode');
$this->expectException(CodeException::class);
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm>
<forbiddenFunctions>
<function name="exit" />
</forbiddenFunctions>
</psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
exit(2);
'
);
$this->analyzeFile($file_path, new Context());
}
public function testForbiddenDieFunction(): void
{
$this->expectExceptionMessage('ForbiddenCode');
$this->expectException(CodeException::class);
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm>
<forbiddenFunctions>
<function name="die" />
</forbiddenFunctions>
</psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
die(2);
'
);
$this->analyzeFile($file_path, new Context());
}
public function testForbiddenEvalExpression(): void
{
$this->expectExceptionMessage('ForbiddenCode');
$this->expectException(CodeException::class);
$this->project_analyzer = $this->getProjectAnalyzerWithConfig(
TestConfig::loadFromXML(
dirname(__DIR__, 2),
'<?xml version="1.0"?>
<psalm>
<forbiddenFunctions>
<function name="eval" />
</forbiddenFunctions>
</psalm>'
)
);
$file_path = getcwd() . '/src/somefile.php';
$this->addFile(
$file_path,
'<?php
eval("foo bar");
'
);
$this->analyzeFile($file_path, new Context());
}
private function getProjectAnalyzerWithConfig(Config $config): ProjectAnalyzer
{
$p = new ProjectAnalyzer(
$config,
new Providers(
$this->file_provider,
new FakeParserCacheProvider()
)
);
$p->setPhpVersion('7.4', 'tests');
return $p;
}
}