--- /dev/null
+#!/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);
+}