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<?php |
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declare(strict_types=1); |
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/** |
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* @copyright Copyright (c) 2019, Roeland Jago Douma <roeland@famdouma.nl> |
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* |
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* @author Roeland Jago Douma <roeland@famdouma.nl> |
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* |
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* @license GNU AGPL version 3 or any later version |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Affero General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU Affero General Public License for more details. |
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* |
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* You should have received a copy of the GNU Affero General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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namespace OCP\AppFramework\Http; |
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/** |
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* Class EmptyFeaturePolicy is a simple helper which allows applications |
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* to modify the FeaturePolicy sent by Nextcloud. Per default the policy |
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* is forbidding everything. |
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* |
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* As alternative with sane exemptions look at FeaturePolicy |
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* |
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* @see \OCP\AppFramework\Http\FeaturePolicy |
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* @package OCP\AppFramework\Http |
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* @since 17.0.0 |
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*/ |
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class EmptyFeaturePolicy { |
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/** @var string[] of allowed domains to autoplay media */ |
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protected $autoplayDomains = null; |
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/** @var string[] of allowed domains that can access the camera */ |
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protected $cameraDomains = null; |
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/** @var string[] of allowed domains that can use fullscreen */ |
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protected $fullscreenDomains = null; |
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/** @var string[] of allowed domains that can use the geolocation of the device */ |
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protected $geolocationDomains = null; |
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/** @var string[] of allowed domains that can use the microphone */ |
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protected $microphoneDomains = null; |
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/** @var string[] of allowed domains that can use the payment API */ |
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protected $paymentDomains = null; |
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/** |
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* Allows to use autoplay from a specific domain. Use * to allow from all domains. |
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* |
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* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized. |
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* @return $this |
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* @since 17.0.0 |
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*/ |
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public function addAllowedAutoplayDomain(string $domain): self { |
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$this->autoplayDomains[] = $domain; |
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return $this; |
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} |
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/** |
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* Allows to use the camera on a specific domain. Use * to allow from all domains |
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* |
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* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized. |
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* @return $this |
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* @since 17.0.0 |
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*/ |
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public function addAllowedCameraDomain(string $domain): self { |
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$this->cameraDomains[] = $domain; |
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return $this; |
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} |
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/** |
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* Allows the full screen functionality to be used on a specific domain. Use * to allow from all domains |
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* |
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* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized. |
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* @return $this |
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* @since 17.0.0 |
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*/ |
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public function addAllowedFullScreenDomain(string $domain): self { |
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$this->fullscreenDomains[] = $domain; |
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return $this; |
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} |
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/** |
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* Allows to use the geolocation on a specific domain. Use * to allow from all domains |
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* |
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* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized. |
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* @return $this |
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* @since 17.0.0 |
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*/ |
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public function addAllowedGeoLocationDomain(string $domain): self { |
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$this->geolocationDomains[] = $domain; |
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return $this; |
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} |
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/** |
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* Allows to use the microphone on a specific domain. Use * to allow from all domains |
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* |
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* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized. |
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* @return $this |
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* @since 17.0.0 |
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*/ |
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public function addAllowedMicrophoneDomain(string $domain): self { |
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$this->microphoneDomains[] = $domain; |
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return $this; |
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} |
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/** |
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* Allows to use the payment API on a specific domain. Use * to allow from all domains |
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* |
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* @param string $domain Domain to whitelist. Any passed value needs to be properly sanitized. |
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* @return $this |
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* @since 17.0.0 |
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*/ |
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public function addAllowedPaymentDomain(string $domain): self { |
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$this->paymentDomains[] = $domain; |
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return $this; |
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} |
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/** |
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* Get the generated Feature-Policy as a string |
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* |
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* @return string |
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* @since 17.0.0 |
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*/ |
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public function buildPolicy(): string { |
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$policy = ''; |
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if (empty($this->autoplayDomains)) { |
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$policy .= "autoplay 'none';"; |
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} else { |
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$policy .= 'autoplay ' . implode(' ', $this->autoplayDomains); |
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$policy .= ';'; |
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} |
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if (empty($this->cameraDomains)) { |
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$policy .= "camera 'none';"; |
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} else { |
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$policy .= 'camera ' . implode(' ', $this->cameraDomains); |
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$policy .= ';'; |
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} |
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if (empty($this->fullscreenDomains)) { |
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$policy .= "fullscreen 'none';"; |
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} else { |
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$policy .= 'fullscreen ' . implode(' ', $this->fullscreenDomains); |
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$policy .= ';'; |
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} |
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if (empty($this->geolocationDomains)) { |
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$policy .= "geolocation 'none';"; |
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} else { |
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$policy .= 'geolocation ' . implode(' ', $this->geolocationDomains); |
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$policy .= ';'; |
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} |
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if (empty($this->microphoneDomains)) { |
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$policy .= "microphone 'none';"; |
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} else { |
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$policy .= 'microphone ' . implode(' ', $this->microphoneDomains); |
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$policy .= ';'; |
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} |
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if (empty($this->paymentDomains)) { |
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$policy .= "payment 'none';"; |
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} else { |
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$policy .= 'payment ' . implode(' ', $this->paymentDomains); |
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$policy .= ';'; |
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} |
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return rtrim($policy, ';'); |
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} |
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}
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