AbstractRule.php
11 months ago
EndpointRule.php
11 months ago
ErrorRule.php
11 months ago
RuleCreator.php
11 months ago
TreeRule.php
11 months ago
EndpointRule.php
112 lines
| 1 | <?php |
| 2 | |
| 3 | namespace Aws\EndpointV2\Rule; |
| 4 | |
| 5 | use Aws\EndpointV2\Ruleset\RulesetStandardLibrary; |
| 6 | use Aws\EndpointV2\Ruleset\RulesetEndpoint; |
| 7 | |
| 8 | class EndpointRule extends AbstractRule |
| 9 | { |
| 10 | /** @var array */ |
| 11 | private $endpoint; |
| 12 | |
| 13 | public function __construct(array $definition) |
| 14 | { |
| 15 | parent::__construct($definition); |
| 16 | $this->endpoint = $definition['endpoint']; |
| 17 | } |
| 18 | |
| 19 | /** |
| 20 | * @return array |
| 21 | */ |
| 22 | public function getEndpoint() |
| 23 | { |
| 24 | return $this->endpoint; |
| 25 | } |
| 26 | |
| 27 | /** |
| 28 | * If all the rule's conditions are met, return the resolved |
| 29 | * endpoint object. |
| 30 | * |
| 31 | * @return RulesetEndpoint | null |
| 32 | */ |
| 33 | public function evaluate(array $inputParameters, RulesetStandardLibrary $standardLibrary) |
| 34 | { |
| 35 | if ($this->evaluateConditions($inputParameters, $standardLibrary)) { |
| 36 | return $this->resolve($inputParameters, $standardLibrary); |
| 37 | } |
| 38 | return false; |
| 39 | } |
| 40 | |
| 41 | /** |
| 42 | * Given input parameters, resolve an endpoint in its entirety. |
| 43 | * |
| 44 | * @return RulesetEndpoint |
| 45 | */ |
| 46 | private function resolve( |
| 47 | array $inputParameters, |
| 48 | RulesetStandardLibrary $standardLibrary |
| 49 | ) |
| 50 | { |
| 51 | $uri = $standardLibrary->resolveValue($this->endpoint['url'], $inputParameters); |
| 52 | $properties = isset($this->endpoint['properties']) |
| 53 | ? $this->resolveProperties($this->endpoint['properties'], $inputParameters, $standardLibrary) |
| 54 | : null; |
| 55 | $headers = $this->resolveHeaders($inputParameters, $standardLibrary); |
| 56 | |
| 57 | return new RulesetEndpoint($uri, $properties, $headers); |
| 58 | } |
| 59 | |
| 60 | /** |
| 61 | * Recurse through an endpoint's `properties` attribute, resolving template |
| 62 | * strings when found. Return the fully resolved attribute. |
| 63 | * |
| 64 | * @return array |
| 65 | */ |
| 66 | private function resolveProperties( |
| 67 | $properties, |
| 68 | array $inputParameters, |
| 69 | RulesetStandardLibrary $standardLibrary |
| 70 | ) |
| 71 | { |
| 72 | if (is_array($properties)) { |
| 73 | $propertiesArr = []; |
| 74 | foreach($properties as $key => $val) { |
| 75 | $propertiesArr[$key] = $this->resolveProperties($val, $inputParameters, $standardLibrary); |
| 76 | } |
| 77 | return $propertiesArr; |
| 78 | } elseif ($standardLibrary->isTemplate($properties)) { |
| 79 | return $standardLibrary->resolveTemplateString($properties, $inputParameters); |
| 80 | } |
| 81 | return $properties; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * If present, iterate through an endpoint's headers attribute resolving |
| 86 | * values along the way. Return the fully resolved attribute. |
| 87 | * |
| 88 | * @return array |
| 89 | */ |
| 90 | private function resolveHeaders( |
| 91 | array $inputParameters, |
| 92 | RulesetStandardLibrary $standardLibrary |
| 93 | ) |
| 94 | { |
| 95 | $headers = isset($this->endpoint['headers']) ? $this->endpoint['headers'] : null; |
| 96 | if (is_null($headers)) { |
| 97 | return null; |
| 98 | } |
| 99 | $resolvedHeaders = []; |
| 100 | |
| 101 | foreach($headers as $headerName => $headerValues) { |
| 102 | $resolvedValues = []; |
| 103 | foreach($headerValues as $value) { |
| 104 | $resolvedValue = $standardLibrary->resolveValue($value, $inputParameters, $standardLibrary); |
| 105 | $resolvedValues[] = $resolvedValue; |
| 106 | } |
| 107 | $resolvedHeaders[$headerName] = $resolvedValues; |
| 108 | } |
| 109 | return $resolvedHeaders; |
| 110 | } |
| 111 | } |
| 112 |