public function visit(CommandInterface $command, RequestInterface $request, Parameter $param, $value)
{
$value = $param->filter($value);
if ($value instanceof PostFileInterface) {
$request->addPostFile($value);
} else {
$request->addPostFile($param->getWireName(), $value);
}
}
/**
* Add a prefixed array of headers to the request
*
* @param RequestInterface $request Request to update
* @param Parameter $param Parameter object
* @param array $value Header array to add
*
* @throws InvalidArgumentException
*/
protected function addPrefixedHeaders(RequestInterface $request, Parameter $param, $value)
{
if (!is_array($value)) {
throw new InvalidArgumentException('An array of mapped headers expected, but received a single value');
}
$prefix = $param->getSentAs();
foreach ($value as $headerName => $headerValue) {
$request->setHeader($prefix . $headerName, $headerValue);
}
}
public function visit(CommandInterface $command, RequestInterface $request, Parameter $param, $value)
{
if (isset($this->data[$command])) {
$json = $this->data[$command];
} else {
$json = array();
}
$json[$param->getWireName()] = $this->prepareValue($value, $param);
$this->data[$command] = $json;
}
public function visit(CommandInterface $command, RequestInterface $request, Parameter $param, $value)
{
$value = $param->filter($value);
$entityBody = EntityBody::factory($value);
$request->setBody($entityBody);
$this->addExpectHeader($request, $entityBody, $param->getData('expect_header'));
// Add the Content-Encoding header if one is set on the EntityBody
if ($encoding = $entityBody->getContentEncoding()) {
$request->setHeader('Content-Encoding', $encoding);
}
}
/**
* Process a prefixed header array
*
* @param Response $response Response that contains the headers
* @param Parameter $param Parameter object
* @param array $value Value response array to modify
*/
protected function processPrefixedHeaders(Response $response, Parameter $param, &$value)
{
// Grab prefixed headers that should be placed into an array with the prefix stripped
if ($prefix = $param->getSentAs()) {
$container = $param->getName();
$len = strlen($prefix);
// Find all matching headers and place them into the containing element
foreach ($response->getHeaders()->toArray() as $key => $header) {
if (stripos($key, $prefix) === 0) {
// Account for multi-value headers
$value[$container][substr($key, $len)] = count($header) == 1 ? end($header) : $header;
}
}
}
}
/**
* Custom handling for arrays
*
* @param Parameter $param Parameter for the object
* @param array $value Value that is set for this parameter
* @param string $prefix Prefix for the resulting key
* @param array $query Query string array passed by reference
*/
protected function resolveArray(Parameter $param, array $value, $prefix, array &$query)
{
static $serializeEmpty = array('SetLoadBalancerPoliciesForBackendServer' => 1, 'SetLoadBalancerPoliciesOfListener' => 1, 'UpdateStack' => 1);
// For BC, serialize empty lists for specific operations
if (!$value) {
if (isset($serializeEmpty[$this->fqname])) {
$query[$prefix] = '';
}
return;
}
$offset = $param->getData('offset') ?: 1;
foreach ($value as $index => $v) {
$index += $offset;
if (is_array($v) && ($items = $param->getItems())) {
$this->customResolver($v, $items, $query, $prefix . '.' . $index);
} else {
$query[$prefix . '.' . $index] = $param->filter($v);
}
}
}
/**
* Recursively process a parameter while applying filters
*
* @param Parameter $param API parameter being validated
* @param mixed $value Value to validate and process. The value may change during this process.
*/
protected function recursiveProcess(Parameter $param, &$value)
{
if ($value === null) {
return;
}
if (is_array($value)) {
$type = $param->getType();
if ($type == 'array') {
foreach ($value as &$item) {
$this->recursiveProcess($param->getItems(), $item);
}
} elseif ($type == 'object' && !isset($value[0])) {
// On the above line, we ensure that the array is associative and not numerically indexed
$knownProperties = array();
if ($properties = $param->getProperties()) {
foreach ($properties as $property) {
$name = $property->getName();
$key = $property->getWireName();
$knownProperties[$name] = 1;
if (isset($value[$key])) {
$this->recursiveProcess($property, $value[$key]);
if ($key != $name) {
$value[$name] = $value[$key];
unset($value[$key]);
}
}
}
}
// Remove any unknown and potentially unsafe properties
if ($param->getAdditionalProperties() === false) {
$value = array_intersect_key($value, $knownProperties);
} elseif (($additional = $param->getAdditionalProperties()) !== true) {
// Validate and filter additional properties
foreach ($value as &$v) {
$this->recursiveProcess($additional, $v);
}
}
}
}
$value = $param->filter($value);
}
/**
* Map nested parameters into the location_key based parameters
*
* @param array $value Value to map
* @param Parameter $param Parameter that holds information about the current key
*
* @return array Returns the mapped array
*/
protected function resolveRecursively(array $value, Parameter $param)
{
foreach ($value as $name => &$v) {
switch ($param->getType()) {
case 'object':
if ($subParam = $param->getProperty($name)) {
$key = $subParam->getWireName();
$value[$key] = $this->prepareValue($v, $subParam);
if ($name != $key) {
unset($value[$name]);
}
} elseif ($param->getAdditionalProperties() instanceof Parameter) {
$v = $this->prepareValue($v, $param->getAdditionalProperties());
}
break;
case 'array':
if ($items = $param->getItems()) {
$v = $this->prepareValue($v, $items);
}
break;
}
}
return $param->filter($value);
}
/**
* Add a property to the parameter
*
* @param Parameter $property Properties to set
*
* @return self
*/
public function addProperty(Parameter $property)
{
$this->properties[$property->getName()] = $property;
$property->setParent($this);
$this->propertiesCache = null;
return $this;
}
/**
* Serialize additional parameters
*
* @param OperationInterface $operation Operation that owns the command
* @param CommandInterface $command Command to prepare
* @param RequestInterface $request Request to serialize
* @param Parameter $additional Additional parameters
*
* @return null|RequestVisitorInterface
*/
protected function prepareAdditionalParameters(OperationInterface $operation, CommandInterface $command, RequestInterface $request, Parameter $additional)
{
if (!($location = $additional->getLocation())) {
return;
}
$visitor = $this->factory->getRequestVisitor($location);
$hidden = $command[$command::HIDDEN_PARAMS];
foreach ($command->toArray() as $key => $value) {
// Ignore values that are null or built-in command options
if ($value !== null && !in_array($key, $hidden) && !$operation->hasParam($key)) {
$additional->setName($key);
$visitor->visit($command, $request, $additional, $value);
}
}
return $visitor;
}
public function visit(CommandInterface $command, RequestInterface $request, Parameter $param, $value)
{
$request->setPostField($param->getWireName(), $this->prepareValue($value, $param));
}
/**
* Recursively validate a parameter
*
* @param Parameter $param API parameter being validated
* @param mixed $value Value to validate and validate. The value may change during this validate.
* @param string $path Current validation path (used for error reporting)
* @param int $depth Current depth in the validation validate
*
* @return bool Returns true if valid, or false if invalid
*/
protected function recursiveProcess(Parameter $param, &$value, $path = '', $depth = 0)
{
// Update the value by adding default or static values
$value = $param->getValue($value);
$required = $param->getRequired();
// if the value is null and the parameter is not required or is static, then skip any further recursion
if (null === $value && !$required || $param->getStatic()) {
return true;
}
$type = $param->getType();
// Attempt to limit the number of times is_array is called by tracking if the value is an array
$valueIsArray = is_array($value);
// If a name is set then update the path so that validation messages are more helpful
if ($name = $param->getName()) {
$path .= "[{$name}]";
}
if ($type == 'object') {
// Objects are either associative arrays, ToArrayInterface, or some other object
if ($param->getInstanceOf()) {
$instance = $param->getInstanceOf();
if (!$value instanceof $instance) {
$this->errors[] = "{$path} must be an instance of {$instance}";
return false;
}
}
// Determine whether or not this "value" has properties and should be traversed
$traverse = $temporaryValue = false;
// Convert the value to an array
if (!$valueIsArray && $value instanceof ToArrayInterface) {
$value = $value->toArray();
}
if ($valueIsArray) {
// Ensure that the array is associative and not numerically indexed
if (isset($value[0])) {
$this->errors[] = "{$path} must be an array of properties. Got a numerically indexed array.";
return false;
}
$traverse = true;
} elseif ($value === null) {
// Attempt to let the contents be built up by default values if possible
$value = array();
$temporaryValue = $valueIsArray = $traverse = true;
}
if ($traverse) {
if ($properties = $param->getProperties()) {
// if properties were found, the validate each property of the value
foreach ($properties as $property) {
$name = $property->getName();
if (isset($value[$name])) {
$this->recursiveProcess($property, $value[$name], $path, $depth + 1);
} else {
$current = null;
$this->recursiveProcess($property, $current, $path, $depth + 1);
// Only set the value if it was populated with something
if (null !== $current) {
$value[$name] = $current;
}
}
}
}
$additional = $param->getAdditionalProperties();
if ($additional !== true) {
// If additional properties were found, then validate each against the additionalProperties attr.
$keys = array_keys($value);
// Determine the keys that were specified that were not listed in the properties of the schema
$diff = array_diff($keys, array_keys($properties));
if (!empty($diff)) {
// Determine which keys are not in the properties
if ($additional instanceof Parameter) {
foreach ($diff as $key) {
$this->recursiveProcess($additional, $value[$key], "{$path}[{$key}]", $depth);
}
} else {
// if additionalProperties is set to false and there are additionalProperties in the values, then fail
foreach ($diff as $prop) {
$this->errors[] = sprintf('%s[%s] is not an allowed property', $path, $prop);
}
}
}
}
// A temporary value will be used to traverse elements that have no corresponding input value.
// This allows nested required parameters with default values to bubble up into the input.
// Here we check if we used a temp value and nothing bubbled up, then we need to remote the value.
if ($temporaryValue && empty($value)) {
$value = null;
$valueIsArray = false;
}
}
} elseif ($type == 'array' && $valueIsArray && $param->getItems()) {
foreach ($value as $i => &$item) {
// Validate each item in an array against the items attribute of the schema
$this->recursiveProcess($param->getItems(), $item, $path . "[{$i}]", $depth + 1);
}
}
// If the value is required and the type is not null, then there is an error if the value is not set
if ($required && $value === null && $type != 'null') {
$message = "{$path} is " . ($param->getType() ? 'a required ' . implode(' or ', (array) $param->getType()) : 'required');
if ($param->getDescription()) {
$message .= ': ' . $param->getDescription();
}
$this->errors[] = $message;
return false;
}
// Validate that the type is correct. If the type is string but an integer was passed, the class can be
// instructed to cast the integer to a string to pass validation. This is the default behavior.
if ($type && !($type = $this->determineType($type, $value))) {
if ($this->castIntegerToStringType && $param->getType() == 'string' && is_integer($value)) {
$value = (string) $value;
} else {
$this->errors[] = "{$path} must be of type " . implode(' or ', (array) $param->getType());
}
}
// Perform type specific validation for strings, arrays, and integers
if ($type == 'string') {
// Strings can have enums which are a list of predefined values
if (($enum = $param->getEnum()) && !in_array($value, $enum)) {
$this->errors[] = "{$path} must be one of " . implode(' or ', array_map(function ($s) {
return '"' . addslashes($s) . '"';
}, $enum));
}
// Strings can have a regex pattern that the value must match
if (($pattern = $param->getPattern()) && !preg_match($pattern, $value)) {
$this->errors[] = "{$path} must match the following regular expression: {$pattern}";
}
$strLen = null;
if ($min = $param->getMinLength()) {
$strLen = strlen($value);
if ($strLen < $min) {
$this->errors[] = "{$path} length must be greater than or equal to {$min}";
}
}
if ($max = $param->getMaxLength()) {
if (($strLen ?: strlen($value)) > $max) {
$this->errors[] = "{$path} length must be less than or equal to {$max}";
}
}
} elseif ($type == 'array') {
$size = null;
if ($min = $param->getMinItems()) {
$size = count($value);
if ($size < $min) {
$this->errors[] = "{$path} must contain {$min} or more elements";
}
}
if ($max = $param->getMaxItems()) {
if (($size ?: count($value)) > $max) {
$this->errors[] = "{$path} must contain {$max} or fewer elements";
}
}
} elseif ($type == 'integer' || $type == 'number' || $type == 'numeric') {
if (($min = $param->getMinimum()) && $value < $min) {
$this->errors[] = "{$path} must be greater than or equal to {$min}";
}
if (($max = $param->getMaximum()) && $value > $max) {
$this->errors[] = "{$path} must be less than or equal to {$max}";
}
}
return empty($this->errors);
}
/**
* Add an object to the XML
*/
protected function addXmlObject(\XMLWriter $xmlWriter, Parameter $param, &$value)
{
$noAttributes = array();
// add values which have attributes
foreach ($value as $name => $v) {
if ($property = $param->getProperty($name)) {
if ($property->getData('xmlAttribute')) {
$this->addXml($xmlWriter, $property, $v);
} else {
$noAttributes[] = array('value' => $v, 'property' => $property);
}
}
}
// now add values with no attributes
foreach ($noAttributes as $element) {
$this->addXml($xmlWriter, $element['property'], $element['value']);
}
}
/**
* Add a model to the service description
*
* @param Parameter $model Model to add
*
* @return self
*/
public function addModel(Parameter $model)
{
$this->models[$model->getName()] = $model;
return $this;
}
protected function visitAdditionalProperties(Parameter $model, CommandInterface $command, Response $response, Parameter $additional, &$result, array &$foundVisitors)
{
// Only visit when a location is specified
if ($location = $additional->getLocation()) {
if (!isset($foundVisitors[$location])) {
$foundVisitors[$location] = $this->factory->getResponseVisitor($location);
$foundVisitors[$location]->before($command, $result);
}
// Only traverse if an array was parsed from the before() visitors
if (is_array($result)) {
// Find each additional property
foreach (array_keys($result) as $key) {
// Check if the model actually knows this property. If so, then it is not additional
if (!$model->getProperty($key)) {
// Set the name to the key so that we can parse it with each visitor
$additional->setName($key);
$foundVisitors[$location]->visit($command, $response, $additional, $result);
}
}
// Reset the additionalProperties name to null
$additional->setName(null);
}
}
}
public function visit(CommandInterface $command, Response $response, Parameter $param, &$value, $context = null)
{
$value[$param->getName()] = $response->getReasonPhrase();
}
/**
* Add a parameter to the command
*
* @param Parameter $param Parameter to add
*
* @return self
*/
public function addParam(Parameter $param)
{
$this->parameters[$param->getName()] = $param;
$param->setParent($this);
return $this;
}
public function visit(CommandInterface $command, Response $response, Parameter $param, &$value, $context = null)
{
$value[$param->getName()] = $param->filter($response->getBody());
}