/**
* Custom handling for objects
*
* @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 resolveObject(Parameter $param, array $value, $prefix, array &$query)
{
// Maps are implemented using additional properties
$hasAdditionalProperties = $param->getAdditionalProperties() instanceof Parameter;
$additionalPropertyCount = 0;
foreach ($value as $name => $v) {
if ($subParam = $param->getProperty($name)) {
// if the parameter was found by name as a regular property
$key = $prefix . '.' . $subParam->getWireName();
$this->customResolver($v, $subParam, $query, $key);
} elseif ($hasAdditionalProperties) {
// Handle map cases like &Attribute.1.Name=<name>&Attribute.1.Value=<value>
$additionalPropertyCount++;
$data = $param->getData();
$keyName = isset($data['keyName']) ? $data['keyName'] : 'key';
$valueName = isset($data['valueName']) ? $data['valueName'] : 'value';
$query["{$prefix}.{$additionalPropertyCount}.{$keyName}"] = $name;
$newPrefix = "{$prefix}.{$additionalPropertyCount}.{$valueName}";
if (is_array($v)) {
$this->customResolver($v, $param->getAdditionalProperties(), $query, $newPrefix);
} else {
$query[$newPrefix] = $param->filter($v);
}
}
}
}
public function visit(CommandInterface $command, Response $response, Parameter $param, &$value, $context = null)
{
if ($param->getType() == 'object' && $param->getAdditionalProperties() instanceof Parameter) {
$this->processPrefixedHeaders($response, $param, $value);
} else {
$value[$param->getName()] = $param->filter((string) $response->getHeader($param->getWireName()));
}
}
public function visit(CommandInterface $command, RequestInterface $request, Parameter $param, $value)
{
$value = $param->filter($value);
if ($param->getType() == 'object' && $param->getAdditionalProperties() instanceof Parameter) {
$this->addPrefixedHeaders($request, $param, $value);
} else {
$request->setHeader($param->getWireName(), $value);
}
}
/**
* 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);
}
/**
* 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);
}
/**
* Perform transformations on the result array
*
* @param Parameter $model Model that defines the structure
* @param CommandInterface $command Command that performed the operation
* @param Response $response Response received
*
* @return array Returns the array of result data
*/
protected function visitResult(Parameter $model, CommandInterface $command, Response $response)
{
$foundVisitors = $result = $knownProps = array();
$props = $model->getProperties();
foreach ($props as $schema) {
if ($location = $schema->getLocation()) {
// Trigger the before method on the first found visitor of this type
if (!isset($foundVisitors[$location])) {
$foundVisitors[$location] = $this->factory->getResponseVisitor($location);
$foundVisitors[$location]->before($command, $result);
}
}
}
// Visit additional properties when it is an actual schema
if (($additional = $model->getAdditionalProperties()) instanceof Parameter) {
$this->visitAdditionalProperties($model, $command, $response, $additional, $result, $foundVisitors);
}
// Apply the parameter value with the location visitor
foreach ($props as $schema) {
$knownProps[$schema->getName()] = 1;
if ($location = $schema->getLocation()) {
$foundVisitors[$location]->visit($command, $response, $schema, $result);
}
}
// Remove any unknown and potentially unsafe top-level properties
if ($additional === false) {
$result = array_intersect_key($result, $knownProps);
}
// Call the after() method of each found visitor
foreach ($foundVisitors as $visitor) {
$visitor->after($command);
}
return $result;
}
