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<?php |
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namespace Morphatic\AutoDeploy\Origins; |
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class Github extends AbstractOrigin implements OriginInterface |
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{ |
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/** |
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* The name of the origin. |
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* |
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* @var string |
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*/ |
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public $name = 'Github'; |
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/** |
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* Determines whether or not the Request originated from Github. |
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* |
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* @return bool Returns true if the request originated from Github. False otherwise. |
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*/ |
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public function isOrigin() |
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{ |
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// Correct IP range for Github maintained here: |
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// https://help.github.com/articles/what-ip-addresses-does-github-use-that-i-should-whitelist/ |
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$hasGithubHeader = false !== strpos($this->request->header('User-Agent'), 'GitHub-Hookshot'); |
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$hasGithubIp = $this->isIpInRange($this->request->server('REMOTE_ADDR'), '192.30.252.0', 22); |
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return $hasGithubHeader && $hasGithubIp; |
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} |
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/** |
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* Verifies the authenticity of a webhook request from Github. |
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* |
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* Follows the procedure described here: https://developer.github.com/webhooks/securing/ |
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* |
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* @return bool Returns true if the request is authentic. False otherwise. |
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*/ |
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public function isAuthentic() |
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{ |
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// get the Github signature |
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$xhub = $this->request->header('X-Hub-Signature') ?: 'nothing'; |
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// reconstruct the hash on this side |
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$hash = 'sha1='.hash_hmac('sha1', $this->request->getContent(), config('auto-deploy.secret')); |
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// securely compare them |
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return hash_equals($xhub, $hash); |
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} |
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/** |
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* Gets the event the triggered the webhook request. |
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* |
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* @return string The name of the event, e.g. push, release, create, etc. |
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*/ |
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public function event() |
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{ |
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return $this->request->header('X-GitHub-Event'); |
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} |
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/** |
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* Gets the URL to be cloned from. |
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* |
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* @return string The URL of the repo. |
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*/ |
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public function getRepoUrl() |
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{ |
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return $this->request->json('repository.clone_url'); |
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} |
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/** |
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* Gets the ID of the commit that is to be cloned. |
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* |
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* @return string The commit ID. |
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*/ |
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public function getCommitId() |
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{ |
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return $this->request->json('after'); |
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} |
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} |
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morphatic /
laravel-auto-deploy
