2024-09-06 20:28:06 +08:00

568 lines
19 KiB
PHP

<?php
namespace Luracast\Restler;
use stdClass;
use Luracast\Restler\Data\Text;
use Luracast\Restler\Data\ValidationInfo;
use Luracast\Restler\Scope;
/**
* Class Explorer
*
* @package Luracast\Restler
*
* @access hybrid
* @version 3.0.0rc6
*/
class Explorer implements iProvideMultiVersionApi
{
const SWAGGER = '2.0';
/**
* @var array http schemes supported. http or https or both http and https
*/
public static $schemes = array();
/**
* @var bool should protected resources be shown to unauthenticated users?
*/
public static $hideProtected = true;
/**
* @var bool should we use format as extension?
*/
public static $useFormatAsExtension = true;
/*
* @var bool can we accept scalar values (string, int, float etc) as the request body?
*/
public static $allowScalarValueOnRequestBody = false;
/**
* @var array all http methods specified here will be excluded from
* documentation
*/
public static $excludedHttpMethods = array('OPTIONS');
/**
* @var array all paths beginning with any of the following will be excluded
* from documentation
*/
public static $excludedPaths = array();
/**
* @var bool
*/
public static $placeFormatExtensionBeforeDynamicParts = true;
/**
* @var bool should we group all the operations with the same url or not
*/
public static $groupOperations = false;
/**
* @var string class that holds metadata as static properties
*/
public static $infoClass = 'Luracast\Restler\ExplorerInfo';
/**
* Injected at runtime
*
* @var Restler instance of restler
*/
public $restler;
/**
* @var string when format is not used as the extension this property is
* used to set the extension manually
*/
public $formatString = '';
/**
* @var array type mapping for converting data types to JSON-Schema Draft 4
* Which is followed by swagger 1.2 spec
*/
public static $dataTypeAlias = array(
//'string' => 'string',
'int' => 'integer',
'number' => 'number',
'float' => array('number', 'float'),
'bool' => 'boolean',
//'boolean' => 'boolean',
//'NULL' => 'null',
'array' => 'array',
//'object' => 'object',
'stdClass' => 'object',
'mixed' => 'string',
'date' => array('string', 'date'),
'datetime' => array('string', 'date-time'),
);
/**
* @var array configurable symbols to differentiate public, hybrid and
* protected api
*/
public static $apiDescriptionSuffixSymbols = array(
0 => ' 🔓', //'&nbsp; <i class="fa fa-lg fa-unlock-alt"></i>', //public api
1 => ' ◑', //'&nbsp; <i class="fa fa-lg fa-adjust"></i>', //hybrid api
2 => ' 🔐', //'&nbsp; <i class="fa fa-lg fa-lock"></i>', //protected api
);
protected $models = array();
/**
* @var bool|stdClass
*/
protected $_fullDataRequested = false;
protected $crud = array(
'POST' => 'create',
'GET' => 'retrieve',
'PUT' => 'update',
'DELETE' => 'delete',
'PATCH' => 'partial update'
);
protected static $prefixes = array(
'get' => 'retrieve',
'index' => 'list',
'post' => 'create',
'put' => 'update',
'patch' => 'modify',
'delete' => 'remove',
);
protected $_authenticated = false;
protected $cacheName = '';
/**
* Serve static files for exploring
*
* Serves explorer html, css, and js files
*
* @url GET *
*/
public function get()
{
if (func_num_args() > 1 && func_get_arg(0) == 'swagger') {
/**
* BUGFIX:
* If we use common resourcePath (e.g. $r->addAPIClass([api-class], 'api/shop')), than we must determine resource-ID of e.g. 'api/shop'!
*/
$arguments = func_get_args();
// remove first entry
array_shift($arguments);
// create ID
$id = implode('/', $arguments);
return $this->getResources($id);
}
$filename = implode('/', func_get_args());
$redirect = false;
if (
(empty($filename) && substr($_SERVER['REQUEST_URI'], -1, 1) != '/') ||
$filename == 'index.html'
) {
$status = 302;
$url = $this->restler->getBaseUrl() . '/' . $this->base() . '/';
header("{$_SERVER['SERVER_PROTOCOL']} $status " . RestException::$codes[$status]);
header("Location: $url");
exit;
}
if (
isset($this->restler->responseFormat) &&
$this->restler->responseFormat->getExtension() == 'js'
) {
$filename .= '.js';
}
PassThrough::file(__DIR__ . '/explorer/' . (empty($filename) ? 'index.html' : $filename), false,
0); //60 * 60 * 24);
}
/**
* @return stdClass
*/
public function swagger()
{
$r = new stdClass();
$version = (string)$this->restler->getRequestedApiVersion();
$r->swagger = static::SWAGGER;
$info = parse_url($this->restler->getBaseUrl());
$r->host = $info['host'];
if (isset($info['port'])) {
$r->host .= ':' . $info['port'];
}
$r->basePath = isset($info['path']) ? $info['path'] : '';
if (!empty(static::$schemes)) {
$r->schemes = static::$schemes;
}
$r->produces = $this->restler->getWritableMimeTypes();
$r->consumes = $this->restler->getReadableMimeTypes();
$r->paths = $this->paths($version);
$r->definitions = (object)$this->models;
$r->securityDefinitions = $this->securityDefinitions();
$r->info = compact('version') + array_filter(get_class_vars(static::$infoClass));
return $r;
}
private function paths($version = 1)
{
$map = Routes::findAll(static::$excludedPaths + array($this->base()), static::$excludedHttpMethods, $version);
$paths = array();
foreach ($map as $path => $data) {
$access = $data[0]['access'];
if (static::$hideProtected && !$access) {
continue;
}
foreach ($data as $item) {
$route = $item['route'];
$access = $item['access'];
if (static::$hideProtected && !$access) {
continue;
}
$url = $route['url'];
$paths["/$url"][strtolower($route['httpMethod'])] = $this->operation($route);
}
}
return $paths;
}
private function operation($route)
{
$r = new stdClass();
$m = $route['metadata'];
$r->operationId = $this->operationId($route);
$base = strtok($route['url'], '/');
if (empty($base)) {
$base = 'root';
}
$r->tags = array($base);
$r->parameters = $this->parameters($route);
$r->summary = isset($m['description'])
? $m['description']
: '';
$r->summary .= $route['accessLevel'] > 2
? static::$apiDescriptionSuffixSymbols[2]
: static::$apiDescriptionSuffixSymbols[$route['accessLevel']];
$r->description = isset($m['longDescription'])
? $m['longDescription']
: '';
$r->responses = $this->responses($route);
//TODO: avoid hard coding. Properly detect security
if ($route['accessLevel']) {
$r->security = array(array('api_key' => array()));
}
/*
$this->setType(
$r,
new ValidationInfo(Util::nestedValue($m, 'return') ?: array())
);
if (is_null($r->type) || 'mixed' == $r->type) {
$r->type = 'array';
} elseif ($r->type == 'null') {
$r->type = 'void';
} elseif (Text::contains($r->type, '|')) {
$r->type = 'array';
}
*/
//TODO: add $r->authorizations
//A list of authorizations required to execute this operation. While not mandatory, if used, it overrides
//the value given at the API Declaration's authorizations. In order to completely remove API Declaration's
//authorizations completely, an empty object ({}) may be applied.
//TODO: add $r->produces
//TODO: add $r->consumes
//A list of MIME types this operation can produce/consume. This is overrides the global produces definition at the root of the API Declaration. Each string value SHOULD represent a MIME type.
//TODO: add $r->deprecated
//Declares this operation to be deprecated. Usage of the declared operation should be refrained. Valid value MUST be either "true" or "false". Note: This field will change to type boolean in the future.
return $r;
}
private function parameters(array $route)
{
$r = array();
$children = array();
$required = false;
foreach ($route['metadata']['param'] as $param) {
$info = new ValidationInfo($param);
$description = isset($param['description']) ? $param['description'] : '';
if ('body' == $info->from) {
if ($info->required) {
$required = true;
}
$param['description'] = $description;
$children[] = $param;
} else {
$r[] = $this->parameter($info, $description);
}
}
if (!empty($children)) {
if (
1 == count($children) &&
(static::$allowScalarValueOnRequestBody || !empty($children[0]['children']))
) {
$firstChild = $children[0];
if (empty($firstChild['children'])) {
$description = $firstChild['description'];
} else {
$description = ''; //'<section class="body-param">';
foreach ($firstChild['children'] as $child) {
$description .= isset($child['required']) && $child['required']
? '**' . $child['name'] . '** (required) '.PHP_EOL
: $child['name'] . ' '.PHP_EOL;
}
//$description .= '</section>';
}
$r[] = $this->parameter(new ValidationInfo($firstChild), $description);
} else {
$description = ''; //'<section class="body-param">';
foreach ($children as $child) {
$description .= isset($child['required']) && $child['required']
? '**' . $child['name'] . '** (required) '.PHP_EOL
: $child['name'] . ' '.PHP_EOL;
}
//$description .= '</section>';
//lets group all body parameters under a generated model name
$name = $this->modelName($route);
$r[] = $this->parameter(
new ValidationInfo(array(
'name' => $name,
'type' => $name,
'from' => 'body',
'required' => $required,
'children' => $children
)),
$description
);
}
}
return $r;
}
private function parameter(ValidationInfo $info, $description = '')
{
$p = new stdClass();
if (isset($info->rules['model'])) {
//$info->type = $info->rules['model'];
}
$p->name = $info->name;
$this->setType($p, $info);
if (empty($info->children) || $info->type != 'array') {
//primitives
if ($info->default) {
$p->defaultValue = $info->default;
}
if ($info->choice) {
$p->enum = $info->choice;
}
if ($info->min) {
$p->minimum = $info->min;
}
if ($info->max) {
$p->maximum = $info->max;
}
//TODO: $p->items and $p->uniqueItems boolean
}
$p->description = $description;
$p->in = $info->from; //$info->from == 'body' ? 'form' : $info->from;
$p->required = $info->required;
//$p->allowMultiple = false;
if (isset($p->{'$ref'})) {
$p->schema = (object)array('$ref' => ($p->{'$ref'}));
unset($p->{'$ref'});
}
return $p;
}
private function responses(array $route)
{
$code = '200';
$r = array(
$code => (object)array(
'description' => 'Success',
'schema' => new stdClass()
)
);
$return = Util::nestedValue($route, 'metadata', 'return');
if (!empty($return)) {
$this->setType($r[$code]->schema, new ValidationInfo($return));
}
if (is_array($throws = Util::nestedValue($route, 'metadata', 'throws'))) {
foreach ($throws as $message) {
$r[$message['code']] = array('description' => $message['message']);
}
}
return $r;
}
private function model($type, array $children)
{
if (isset($this->models[$type])) {
return $this->models[$type];
}
$r = new stdClass();
$r->properties = array();
$required = array();
foreach ($children as $child) {
$info = new ValidationInfo($child);
$p = new stdClass();
$this->setType($p, $info);
$p->description = isset($child['description']) ? $child['description'] : '';
if ($info->default) {
$p->defaultValue = $info->default;
}
if ($info->choice) {
$p->enum = $info->choice;
}
if ($info->min) {
$p->minimum = $info->min;
}
if ($info->max) {
$p->maximum = $info->max;
}
if ($info->required) {
$required[] = $info->name;
}
$r->properties[$info->name] = $p;
}
if (!empty($required)) {
$r->required = $required;
}
//TODO: add $r->subTypes https://github.com/wordnik/swagger-spec/blob/master/versions/1.2.md#527-model-object
//TODO: add $r->discriminator https://github.com/wordnik/swagger-spec/blob/master/versions/1.2.md#527-model-object
$this->models[$type] = $r;
return $r;
}
private function setType(&$object, ValidationInfo $info)
{
//TODO: proper type management
$type = Util::getShortName($info->type);
if ($info->type == 'array') {
$object->type = 'array';
if ($info->children) {
$contentType = Util::getShortName($info->contentType);
$model = $this->model($contentType, $info->children);
$object->items = (object)array(
'$ref' => "#/definitions/$contentType"
);
} elseif ($info->contentType && $info->contentType == 'associative') {
unset($info->contentType);
$this->model($info->type = 'Object', array(
array(
'name' => 'property',
'type' => 'string',
'default' => '',
'required' => false,
'description' => ''
)
));
} elseif ($info->contentType && $info->contentType != 'indexed') {
if (is_string($info->contentType) && $t = Util::nestedValue(static::$dataTypeAlias,
strtolower($info->contentType))) {
if (is_array($t)) {
$object->items = (object)array(
'type' => $t[0],
'format' => $t[1],
);
} else {
$object->items = (object)array(
'type' => $t,
);
}
} else {
$contentType = Util::getShortName($info->contentType);
$object->items = (object)array(
'$ref' => "#/definitions/$contentType"
);
}
} else {
$object->items = (object)array(
'type' => 'string'
);
}
} elseif ($info->children) {
$this->model($type, $info->children);
$object->{'$ref'} = "#/definitions/$type";
} elseif (is_string($info->type) && $t = Util::nestedValue(static::$dataTypeAlias, strtolower($info->type))) {
if (is_array($t)) {
$object->type = $t[0];
$object->format = $t[1];
} else {
$object->type = $t;
}
} else {
$object->type = 'string';
}
$has64bit = PHP_INT_MAX > 2147483647;
if (isset($object->type)) {
if ($object->type == 'integer') {
$object->format = $has64bit
? 'int64'
: 'int32';
} elseif ($object->type == 'number') {
$object->format = $has64bit
? 'double'
: 'float';
}
}
}
private function operationId(array $route)
{
static $hash = array();
$id = $route['httpMethod'] . ' ' . $route['url'];
if (isset($hash[$id])) {
return $hash[$id];
}
$class = Util::getShortName($route['className']);
$method = $route['methodName'];
if (isset(static::$prefixes[$method])) {
$method = static::$prefixes[$method] . $class;
} else {
$method = str_replace(
array_keys(static::$prefixes),
array_values(static::$prefixes),
$method
);
$method = lcfirst($class) . ucfirst($method);
}
$hash[$id] = $method;
return $method;
}
private function modelName(array $route)
{
return $this->operationId($route) . 'Model';
}
private function securityDefinitions()
{
$r = new stdClass();
$r->api_key = (object)array(
'type' => 'apiKey',
'name' => 'api_key',
'in' => 'query',
);
return $r;
}
private function base()
{
return strtok($this->restler->url, '/');
}
/**
* Maximum api version supported by the api class
* @return int
*/
public static function __getMaximumSupportedVersion()
{
return Scope::get('Restler')->getApiVersion();
}
}