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<?php |
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/* |
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* The MIT License |
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* |
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* Copyright 2019 Daniel Popiniuc |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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* THE SOFTWARE. |
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*/ |
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namespace danielgp\io_operations; |
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trait InputOutputCurl |
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{ |
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public function getContentFromUrlThroughCurl($fullURL, $features = []) |
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{ |
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$chanel = curl_init(); |
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$this->setUserAgent($chanel, $features); |
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$inScopeUrl = $this->validateUrl($fullURL); |
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$this->handleSecureConnection($chanel, $inScopeUrl, $features); |
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$this->setForceIpv4($chanel, $features); |
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curl_setopt($chanel, CURLOPT_URL, $inScopeUrl); |
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curl_setopt($chanel, CURLOPT_HEADER, false); |
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$this->setPostingDetails($chanel, $features); |
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curl_setopt($chanel, CURLOPT_RETURNTRANSFER, true); |
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curl_setopt($chanel, CURLOPT_FRESH_CONNECT, true); //avoid a cached response |
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curl_setopt($chanel, CURLOPT_FAILONERROR, true); |
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curl_setopt($chanel, CURLOPT_TCP_FASTOPEN, true); |
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$aReturn = [ |
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'response' => curl_exec($chanel), |
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'errNo' => curl_errno($chanel), |
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'errMsg' => curl_error($chanel), |
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]; |
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if (array_key_exists('includeStatistics', $features)) { |
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$aReturn['info'] = curl_getinfo($chanel); |
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} |
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curl_close($chanel); |
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return $aReturn; |
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} |
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private function handleSecureConnection($chanel, $fullURL, $features) |
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{ |
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if ((substr(strtolower($fullURL), 0, 5) === 'https')) { |
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$chk = false; |
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if (array_key_exists('forceSSLverification', $features)) { |
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$chk = true; |
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} |
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curl_setopt($chanel, CURLOPT_SSL_VERIFYHOST, $chk); |
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curl_setopt($chanel, CURLOPT_SSL_VERIFYPEER, $chk); |
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} |
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} |
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private function setForceIpv4($chanel, $features) |
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{ |
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if (array_key_exists('forceIpV4', $features)) { |
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if (defined('CURLOPT_IPRESOLVE') && defined('CURL_IPRESOLVE_V4')) { |
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curl_setopt($chanel, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4); |
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} |
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} |
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} |
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private function setPostingDetails($chanel, $features) |
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{ |
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if (array_key_exists('PostFields', $features)) { |
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curl_setopt($chanel, CURLOPT_POST, true); |
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curl_setopt($chanel, CURLOPT_POSTFIELDS, $features['PostFields']); |
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curl_setopt($chanel, CURLOPT_HTTPHEADER, $features['HttpHeader']); |
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} |
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} |
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private function setUserAgent($chanel, $features) |
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{ |
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if (array_key_exists('setUserAgent', $features)) { |
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curl_setopt($chanel, CURLOPT_USERAGENT, $features['setUserAgent']); |
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} |
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} |
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private function validateUrl($strUrl) |
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{ |
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$inScopeUrl = filter_var($strUrl, FILTER_VALIDATE_URL); |
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if ($inScopeUrl === false) { |
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throw new \Exception('Invalid URL provided...'); |
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} |
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return $inScopeUrl; |
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} |
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} |
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danielgp /
io-operations
