refactor(files_sharing,Share20): Use Interaction API to apply restrictions

Signed-off-by: provokateurin <kate@provokateurin.de>

Author: provokateurin

apps/files_sharing/lib/Controller/ShareAPIController.php

@@ -724,10 +724,6 @@ public function createShare(
 			$share->setSharedWith($shareWith);
 			$share->setPermissions($permissions);
 		} elseif ($shareType === IShare::TYPE_GROUP) {
-			if (!$this->shareManager->allowGroupSharing()) {
-				throw new OCSNotFoundException($this->l->t('Group sharing is disabled by the administrator'));
-			}
-
 			// Valid group is required to share
 			if ($shareWith === null || !$this->groupManager->groupExists($shareWith)) {
 				throw new OCSNotFoundException($this->l->t('Please specify a valid group'));
@@ -737,11 +733,6 @@ public function createShare(
 		} elseif ($shareType === IShare::TYPE_LINK
 			|| $shareType === IShare::TYPE_EMAIL) {
 
-			// Can we even share links?
-			if (!$this->shareManager->shareApiAllowLinks()) {
-				throw new OCSNotFoundException($this->l->t('Public link sharing is disabled by the administrator'));
-			}
-
 			$this->validateLinkSharePermissions($node, $permissions, $hasPublicUpload);
 			$share->setPermissions($permissions);
 
@@ -775,10 +766,6 @@ public function createShare(
 				$share->setSendPasswordByTalk(true);
 			}
 		} elseif ($shareType === IShare::TYPE_REMOTE) {
-			if (!$this->shareManager->outgoingServer2ServerSharesAllowed()) {
-				throw new OCSForbiddenException($this->l->t('Sharing %1$s failed because the back end does not allow shares from type %2$s', [$node->getPath(), $shareType]));
-			}
-
 			if ($shareWith === null) {
 				throw new OCSNotFoundException($this->l->t('Please specify a valid federated account ID'));
 			}
@@ -787,10 +774,6 @@ public function createShare(
 			$share->setPermissions($permissions);
 			$share->setSharedWithDisplayName($this->getCachedFederatedDisplayName($shareWith, false));
 		} elseif ($shareType === IShare::TYPE_REMOTE_GROUP) {
-			if (!$this->shareManager->outgoingServer2ServerGroupSharesAllowed()) {
-				throw new OCSForbiddenException($this->l->t('Sharing %1$s failed because the back end does not allow shares from type %2$s', [$node->getPath(), $shareType]));
-			}
-
 			if ($shareWith === null) {
 				throw new OCSNotFoundException($this->l->t('Please specify a valid federated group ID'));
 			}
@@ -1049,12 +1032,6 @@ private function validateLinkSharePermissions(Node $node, int $permissions, ?boo
 			&& ($this->hasPermission($permissions, Constants::PERMISSION_UPDATE) || $this->hasPermission($permissions, Constants::PERMISSION_DELETE))) {
 			throw new OCSBadRequestException($this->l->t('Share must have READ permission if UPDATE or DELETE permission is set'));
 		}
-
-		// Check if public uploading was disabled
-		if ($this->hasPermission($permissions, Constants::PERMISSION_CREATE)
-			&& !$this->shareManager->shareApiLinkAllowPublicUpload()) {
-			throw new OCSForbiddenException($this->l->t('Public upload disabled by the administrator'));
-		}
 	}
 
 	/**