/usr/bin/validate-json is in php-json-schema 5.2.6-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 | #!/usr/bin/env php
<?php
/**
* JSON schema validator
*
* @author Christian Weiske <christian.weiske@netresearch.de>
*/
/**
* Dead simple autoloader
*
* @param string $className Name of class to load
*
* @return void
*/
function __autoload($className)
{
$className = ltrim($className, '\\');
$fileName = '';
if ($lastNsPos = strrpos($className, '\\')) {
$namespace = substr($className, 0, $lastNsPos);
$className = substr($className, $lastNsPos + 1);
$fileName = str_replace('\\', DIRECTORY_SEPARATOR, $namespace) . DIRECTORY_SEPARATOR;
}
$fileName .= str_replace('_', DIRECTORY_SEPARATOR, $className) . '.php';
if (stream_resolve_include_path($fileName)) {
require_once $fileName;
}
}
// support running this tool from git checkout
if (is_dir(__DIR__ . '/../src/JsonSchema')) {
set_include_path(__DIR__ . '/../src' . PATH_SEPARATOR . get_include_path());
}
$arOptions = array();
$arArgs = array();
array_shift($argv);//script itself
foreach ($argv as $arg) {
if ($arg{0} == '-') {
$arOptions[$arg] = true;
} else {
$arArgs[] = $arg;
}
}
if (count($arArgs) == 0
|| isset($arOptions['--help']) || isset($arOptions['-h'])
) {
echo <<<HLP
Validate schema
Usage: validate-json data.json
or: validate-json data.json schema.json
Options:
--dump-schema Output full schema and exit
--dump-schema-url Output URL of schema
--verbose Show additional output
--quiet Suppress all output
-h --help Show this help
HLP;
exit(1);
}
if (count($arArgs) == 1) {
$pathData = $arArgs[0];
$pathSchema = null;
} else {
$pathData = $arArgs[0];
$pathSchema = getUrlFromPath($arArgs[1]);
}
/**
* Show the json parse error that happened last
*
* @return void
*/
function showJsonError()
{
$constants = get_defined_constants(true);
$json_errors = array();
foreach ($constants['json'] as $name => $value) {
if (!strncmp($name, 'JSON_ERROR_', 11)) {
$json_errors[$value] = $name;
}
}
output('JSON parse error: ' . $json_errors[json_last_error()] . "\n");
}
function getUrlFromPath($path)
{
if (parse_url($path, PHP_URL_SCHEME) !== null) {
//already an URL
return $path;
}
if ($path{0} == '/') {
//absolute path
return 'file://' . $path;
}
//relative path: make absolute
return 'file://' . getcwd() . '/' . $path;
}
/**
* Take a HTTP header value and split it up into parts.
*
* @param $headerValue
* @return array Key "_value" contains the main value, all others
* as given in the header value
*/
function parseHeaderValue($headerValue)
{
if (strpos($headerValue, ';') === false) {
return array('_value' => $headerValue);
}
$parts = explode(';', $headerValue);
$arData = array('_value' => array_shift($parts));
foreach ($parts as $part) {
list($name, $value) = explode('=', $part);
$arData[$name] = trim($value, ' "\'');
}
return $arData;
}
/**
* Send a string to the output stream, but only if --quiet is not enabled
*
* @param $str A string output
*/
function output($str) {
global $arOptions;
if (!isset($arOptions['--quiet'])) {
echo $str;
}
}
$urlData = getUrlFromPath($pathData);
$context = stream_context_create(
array(
'http' => array(
'header' => array(
'Accept: */*',
'Connection: Close'
),
'max_redirects' => 5
)
)
);
$dataString = file_get_contents($pathData, false, $context);
if ($dataString == '') {
output("Data file is not readable or empty.\n");
exit(3);
}
$data = json_decode($dataString);
unset($dataString);
if ($data === null) {
output("Error loading JSON data file\n");
showJsonError();
exit(5);
}
if ($pathSchema === null) {
if (isset($http_response_header)) {
array_shift($http_response_header);//HTTP/1.0 line
foreach ($http_response_header as $headerLine) {
list($hName, $hValue) = explode(':', $headerLine, 2);
$hName = strtolower($hName);
if ($hName == 'link') {
//Link: <http://example.org/schema#>; rel="describedBy"
$hParts = parseHeaderValue($hValue);
if (isset($hParts['rel']) && $hParts['rel'] == 'describedBy') {
$pathSchema = trim($hParts['_value'], ' <>');
}
} else if ($hName == 'content-type') {
//Content-Type: application/my-media-type+json;
// profile=http://example.org/schema#
$hParts = parseHeaderValue($hValue);
if (isset($hParts['profile'])) {
$pathSchema = $hParts['profile'];
}
}
}
}
if (is_object($data) && property_exists($data, '$schema')) {
$pathSchema = $data->{'$schema'};
}
//autodetect schema
if ($pathSchema === null) {
output("JSON data must be an object and have a \$schema property.\n");
output("You can pass the schema file on the command line as well.\n");
output("Schema autodetection failed.\n");
exit(6);
}
}
if ($pathSchema{0} == '/') {
$pathSchema = 'file://' . $pathSchema;
}
$resolver = new JsonSchema\Uri\UriResolver();
$retriever = new JsonSchema\Uri\UriRetriever();
try {
$urlSchema = $resolver->resolve($pathSchema, $urlData);
if (isset($arOptions['--dump-schema-url'])) {
echo $urlSchema . "\n";
exit();
}
} catch (Exception $e) {
output("Error loading JSON schema file\n");
output($urlSchema . "\n");
output($e->getMessage() . "\n");
exit(2);
}
$refResolver = new JsonSchema\SchemaStorage($retriever, $resolver);
$schema = $refResolver->resolveRef($urlSchema);
if (isset($arOptions['--dump-schema'])) {
$options = defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : 0;
echo json_encode($schema, $options) . "\n";
exit();
}
try {
$validator = new JsonSchema\Validator();
$validator->check($data, $schema);
if ($validator->isValid()) {
if(isset($arOptions['--verbose'])) {
output("OK. The supplied JSON validates against the schema.\n");
}
} else {
output("JSON does not validate. Violations:\n");
foreach ($validator->getErrors() as $error) {
output(sprintf("[%s] %s\n", $error['property'], $error['message']));
}
exit(23);
}
} catch (Exception $e) {
output("JSON does not validate. Error:\n");
output($e->getMessage() . "\n");
output("Error code: " . $e->getCode() . "\n");
exit(24);
}
|