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composer
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added schema/syntax validation for composer.json

pull/151/head
digitalkaoz 2011-12-09 12:16:17 +01:00
parent a1619788ba
commit 6929c42848
8 changed files with 86 additions and 217 deletions
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151
bin/installer
View File

@ -1,151 +0,0 @@
#!/usr/bin/env php
<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
process($argv);
/**
* processes the installer
*/
function process($argv)
{
$check = in_array('--check', $argv);
$help = in_array('--help', $argv);
$force = in_array('--force', $argv);
if ($help) {
displayHelp();
exit(0);
}
$ok = checkPlatform();
if ($check && !$ok) {
exit(1);
}
if ($ok || $force) {
installComposer();
}
exit(0);
}
/**
* displays the help
*/
function displayHelp()
{
echo <<<EOF
Composer Installer
------------------
Options
--help this help
--check for checking environment only
--force forces the installation
EOF;
}
/**
* check the platform for possible issues on running composer
*/
function checkPlatform()
{
$errors = array();
if (false !== ini_get('detect_unicode')) {
$errors['unicode'] = 'On';
}
if (ini_get('phar.readonly')) {
$errors['readonly'] = 'On';
}
if (ini_get('phar.require_hash')) {
$errors['require_hash'] = 'On';
}
if ($suhosin = ini_get('suhosin.executor.include.whitelist') && (isset($suhosin) && false === stripos($suhosin, 'phar'))) {
$errors['suhosin'] = $suhosin;
}
if (PHP_VERSION < '5.3.2') {
$errors['php'] = PHP_VERSION;
}
if (!empty($errors)) {
out("Composer detected that you have enabled some settings in your `php.ini` file that can make Composer unable to work properly.".PHP_EOL, 'error');
echo PHP_EOL.'Make sure that you have changed options listed below:'.PHP_EOL;
foreach ($errors as $error => $actual) {
switch ($error) {
case 'unicode':
$text = " detect_unicode = Off (actual: {$actual})".PHP_EOL;
break;
case 'readonly':
$text = " phar.readonly = Off (actual: {$actual})".PHP_EOL;
break;
case 'require_hash':
$text = " phar.require_hash = Off (actual: {$actual})".PHP_EOL;
break;
case 'suhosin':
$text = " suhosin.executor.include.whitelist = phar (actual: {$actual})".PHP_EOL;
break;
case 'php':
$text = " PHP_VERSION (actual: {$actual})".PHP_EOL;
break;
}
out($text, 'info');
}
echo PHP_EOL;
return false;
}
out("All settings correct for using Composer".PHP_EOL,'success');
return true;
}
/**
* installs composer to the current working directory
*/
function installComposer()
{
$installDir = getcwd();
$file = $installDir . DIRECTORY_SEPARATOR . 'composer.phar';
if (is_readable($file)) {
@unlink($file);
}
$download = copy('http://getcomposer.org/composer.phar', $installDir.DIRECTORY_SEPARATOR.'composer.phar');
out(PHP_EOL."Composer successfully installed to: " . $file, 'success');
out(PHP_EOL."Use it: php composer.phar".PHP_EOL, 'info');
}
/**
* colorize output
*/
function out($text, $color = null)
{
$styles = array(
'success' => "\033[0;32m%s\033[0m",
'error' => "\033[31;31m%s\033[0m",
'info' => "\033[33;33m%s\033[0m"
);
echo sprintf(isset($styles[$color]) ? $styles[$color] : "%s", $text);
}

2
composer.json
View File

@ -19,6 +19,8 @@
],
"require": {
"php": ">=5.3.0",
"justinrainbow/json-schema": ">=1.1.0",
"seld/jsonlint": "*",
"symfony/console": "dev-master",
"symfony/finder": "dev-master",
"symfony/process": "dev-master"

3
res/composer-schema.json
View File

@ -35,8 +35,7 @@
},
"version": {
"type": "string",
"description": "Package version, see http://packagist.org/about for more info on valid schemes.",
"required": true
"description": "Package version, see http://packagist.org/about for more info on valid schemes."
},
"time": {
"type": "string",

2
src/Composer/Command/ValidateCommand.php
View File

@ -53,7 +53,7 @@ EOT
}
try {
JsonFile::parseJson(file_get_contents($file));
JsonFile::parseJson(file_get_contents($file), true);
} catch (\Exception $e) {
$output->writeln('<error>'.$e->getMessage().'</error>');
return 1;

2
src/Composer/Factory.php
View File

@ -54,7 +54,7 @@ class Factory
'vendor-dir' => 'vendor',
);
$packageConfig = $file->read();
$packageConfig = $file->read(true);
if (isset($packageConfig['config']) && is_array($packageConfig['config'])) {
$packageConfig['config'] = array_merge($composerConfig, $packageConfig['config']);

103
src/Composer/Json/JsonFile.php
View File

@ -14,6 +14,8 @@ namespace Composer\Json;
use Composer\Repository\RepositoryManager;
use Composer\Composer;
use JsonSchema\Validator;
use Seld\JsonLint\JsonParser;
use Composer\Util\StreamContextFactory;
if (!defined('JSON_UNESCAPED_SLASHES')) {
@ -68,7 +70,7 @@ class JsonFile
*
* @return array
*/
public function read()
public function read($validate = false)
{
$ctx = StreamContextFactory::getContext(array(
'http' => array(
@ -80,7 +82,7 @@ class JsonFile
throw new \RuntimeException('Could not read '.$this->path.', you are probably offline');
}
return static::parseJson($json);
return static::parseJson($json, $validate);
}
/**
@ -215,59 +217,64 @@ class JsonFile
/**
* Parses json string and returns hash.
*
* @param string $json json string
* @param string $json json string
* @param boolean $validateSchema wether to validate the json schema
*
* @return mixed
*/
static public function parseJson($json)
public static function parseJson($json, $validateSchema=false)
{
$data = json_decode($json, true);
$data = static::validateSyntax($json);
if (null === $data && 'null' !== strtolower($json)) {
switch (json_last_error()) {
case JSON_ERROR_NONE:
$msg = 'No error has occurred, is your composer.json file empty?';
break;
case JSON_ERROR_DEPTH:
$msg = 'The maximum stack depth has been exceeded';
break;
case JSON_ERROR_STATE_MISMATCH:
$msg = 'Invalid or malformed JSON';
break;
case JSON_ERROR_CTRL_CHAR:
$msg = 'Control character error, possibly incorrectly encoded';
break;
case JSON_ERROR_SYNTAX:
$msg = 'Syntax error';
$charOffset = 0;
if (preg_match('#["}\]]\s*(,)\s*[}\]]#', $json, $match, PREG_OFFSET_CAPTURE)) {
$msg .= ', extra comma';
} elseif (preg_match('#((?<=[^\\\\])\\\\(?!["\\\\/bfnrt]|u[a-f0-9]{4}))#i', $json, $match, PREG_OFFSET_CAPTURE)) {
$msg .= ', unescaped backslash (\\)';
} elseif (preg_match('#(["}\]])(?: *\r?\n *)+"#', $json, $match, PREG_OFFSET_CAPTURE)) {
$msg .= ', missing comma';
$charOffset = 1;
} elseif (preg_match('#^ *([a-z0-9_-]+) *:#mi', $json, $match, PREG_OFFSET_CAPTURE)) {
$msg .= ', you must use double quotes (") around keys';
} elseif (preg_match('#(\'.+?\' *:|: *\'.+?\')#', $json, $match, PREG_OFFSET_CAPTURE)) {
$msg .= ', use double quotes (") instead of single quotes (\')';
} elseif (preg_match('#(\[".*?":.*?\])#', $json, $match, PREG_OFFSET_CAPTURE)) {
$msg .= ', you must use the hash syntax (e.g. {"foo": "bar"}) instead of array syntax (e.g. ["foo", "bar"])';
} elseif (preg_match('#".*?"( *["{\[])#', $json, $match, PREG_OFFSET_CAPTURE)) {
$msg .= ', missing colon';
}
if (isset($match[1][1])) {
$preError = substr($json, 0, $match[1][1]);
$msg .= ' on line '.(substr_count($preError, "\n")+1).', char '.abs(strrpos($preError, "\n") - strlen($preError) - $charOffset);
}
break;
case JSON_ERROR_UTF8:
$msg = 'Malformed UTF-8 characters, possibly incorrectly encoded';
break;
}
throw new \UnexpectedValueException('JSON Parse Error: '.$msg);
if ($validateSchema) {
static::validateSchema($json);
}
return $data;
}
/**
* validates a composer.json against the schema
*
* @param string $json
* @return boolean
* @throws \UnexpectedValueException
*/
public static function validateSchema($json)
{
$data = json_decode($json);
$schema = json_decode(file_get_contents(__DIR__ . '/../../../res/composer-schema.json'));
$validator = new Validator();
$validator->check($data, $schema);
if (!$validator->isValid()) {
$msg = "\n";
foreach ((array) $validator->getErrors() as $error) {
$msg .= ($error['property'] ? $error['property'].' : ' : '').$error['message']."\n";
}
throw new \UnexpectedValueException('Your composer.json did not validate against the schema. The following mistakes were found:'.$msg);
}
}
/**
* validates the json syntax
*
* @param string $json
* @return array
* @throws \UnexpectedValueException
*/
public static function validateSyntax($json)
{
$parser = new JsonParser();
$result = $parser->lint($json);
if (null === $result) {
return json_decode($json, true);
}
throw $result;
}
}

34
tests/Composer/Test/Json/JsonFileTest.php
View File

@ -12,6 +12,7 @@
namespace Composer\Test\Json;
use Seld\JsonLint\ParsingException;
use Composer\Json\JsonFile;
class JsonFileTest extends \PHPUnit_Framework_TestCase
@ -21,7 +22,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
$json = '{
"foo": "bar",
}';
$this->expectParseException('extra comma on line 2, char 21', $json);
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectExtraCommaInArray()
@ -31,7 +32,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
"bar",
]
}';
$this->expectParseException('extra comma on line 3, char 18', $json);
$this->expectParseException('Parse error on line 3', $json);
}
public function testParseErrorDetectUnescapedBackslash()
@ -39,7 +40,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
$json = '{
"fo\o": "bar"
}';
$this->expectParseException('unescaped backslash (\\) on line 2, char 12', $json);
$this->expectParseException('Parse error on line 1', $json);
}
public function testParseErrorSkipsEscapedBackslash()
@ -48,7 +49,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
"fo\\\\o": "bar"
"a": "b"
}';
$this->expectParseException('missing comma on line 2, char 23', $json);
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectSingleQuotes()
@ -56,7 +57,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
$json = '{
\'foo\': "bar"
}';
$this->expectParseException('use double quotes (") instead of single quotes (\') on line 2, char 9', $json);
$this->expectParseException('Parse error on line 1', $json);
}
public function testParseErrorDetectMissingQuotes()
@ -64,7 +65,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
$json = '{
foo: "bar"
}';
$this->expectParseException('must use double quotes (") around keys on line 2, char 9', $json);
$this->expectParseException('Parse error on line 1', $json);
}
public function testParseErrorDetectArrayAsHash()
@ -72,7 +73,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
$json = '{
"foo": ["bar": "baz"]
}';
$this->expectParseException('you must use the hash syntax (e.g. {"foo": "bar"}) instead of array syntax (e.g. ["foo", "bar"]) on line 2, char 16', $json);
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectMissingComma()
@ -81,7 +82,18 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
"foo": "bar"
"bar": "foo"
}';
$this->expectParseException('missing comma on line 2, char 21', $json);
$this->expectParseException('Parse error on line 2', $json);
}
public function testSchemaValidation()
{
$json = file_get_contents(__DIR__.'/../../../../composer.json');
try {
$this->assertNull(JsonFile::validateSchema($json));
} catch (\UnexpectedValueException $e) {
$this->fail('invalid schema');
}
}
public function testParseErrorDetectMissingCommaMultiline()
@ -91,7 +103,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
"bar": "foo"
}';
$this->expectParseException('missing comma on line 2, char 24', $json);
$this->expectParseException('Parse error on line 2', $json);
}
public function testParseErrorDetectMissingColon()
@ -100,7 +112,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
"foo": "bar",
"bar" "foo"
}';
$this->expectParseException('missing colon on line 3, char 14', $json);
$this->expectParseException('Parse error on line 3', $json);
}
public function testSimpleJsonString()
@ -166,7 +178,7 @@ class JsonFileTest extends \PHPUnit_Framework_TestCase
try {
JsonFile::parseJson($json);
$this->fail();
} catch (\UnexpectedValueException $e) {
} catch (ParsingException $e) {
$this->assertContains($text, $e->getMessage());
}
}