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<?php |
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namespace Risan\OAuth1\Signature; |
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use GuzzleHttp\Psr7\Uri; |
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use InvalidArgumentException; |
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use Psr\Http\Message\UriInterface; |
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class BaseStringBuilder implements BaseStringBuilderInterface |
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{ |
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/** |
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* {@inheritDoc} |
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*/ |
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public function build($httpMethod, $uri, array $parameters = []) |
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{ |
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$uri = $this->parseToPsrUri($uri); |
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$components = []; |
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$components[] = rawurlencode($this->buildMethodComponent($httpMethod)); |
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$components[] = rawurlencode($this->buildUriComponent($uri)); |
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parse_str($uri->getQuery(), $queryParameters); |
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$components[] = rawurlencode($this->buildParametersComponent(array_merge($queryParameters, $parameters))); |
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return implode('&', $components); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function buildMethodComponent($httpMethod) |
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{ |
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return strtoupper($httpMethod); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function buildUriComponent($uri) |
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{ |
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$uri = $this->parseToPsrUri($uri); |
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return Uri::fromParts([ |
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'scheme' => $uri->getScheme(), |
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'host' => $uri->getHost(), |
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'port' => $uri->getPort(), |
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'path' => $uri->getPath(), |
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]); |
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} |
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/** |
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* {@inheritDoc} |
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*/ |
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public function buildParametersComponent(array $parameters) |
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{ |
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$parameters = $this->normalizeParameters($parameters); |
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return $this->buildQueryString($parameters); |
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} |
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/** |
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* Normalize the given request parameters. |
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* |
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* @param array $parameters |
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* @return array |
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*/ |
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public function normalizeParameters(array $parameters) |
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{ |
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$normalized = []; |
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// [1] Encode both the keys and values. |
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// Decode it frist, in case the given data is already encoded. |
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foreach ($parameters as $key => $value) { |
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$key = rawurlencode(rawurldecode($key)); |
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if (is_array($value)) { |
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$normalized[$key] = $this->normalizeParameters($value); |
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} else { |
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$normalized[$key] = rawurlencode(rawurldecode($value)); |
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} |
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} |
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// [2] Sort by the encoded key. |
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ksort($normalized); |
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return $normalized; |
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} |
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/** |
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* Build query string from the given parameters. |
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* |
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* @param array $parameters |
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* @param array $initialQueryParameters |
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* @param string $previousKey |
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* @return string |
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*/ |
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public function buildQueryString(array $parameters, array $initialQueryParameters = [], $previousKey = null) |
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{ |
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$queryParameters = $initialQueryParameters; |
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foreach ($parameters as $key => $value) { |
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if ($previousKey !== null) { |
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$key = "{$previousKey}[{$key}]"; |
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} |
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if (is_array($value)) { |
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$queryParameters = $this->buildQueryString($value, $queryParameters, $key); |
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} else { |
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$queryParameters[] = "{$key}={$value}"; |
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} |
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} |
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return $previousKey !== null ? $queryParameters : implode('&', $queryParameters); |
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} |
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/** |
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* Parse the given uri to the PSR URIInterface instance. |
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* |
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* @param \Psr\Http\Message\UriInterface|string $uri |
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* @return \Psr\Http\Message\UriInterface |
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* @throws \InvalidArgumentException |
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*/ |
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8 |
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public function parseToPsrUri($uri) |
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{ |
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if ($uri instanceof UriInterface) { |
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return $uri; |
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} elseif (is_string($uri)) { |
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return new Uri($uri); |
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} |
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throw new InvalidArgumentException('URI must be a string or an instance of \Psr\Http\Message\UriInterface'); |
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} |
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} |
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risan /
oauth1
