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fix(preview): don't create folder structure when previews are disabled #45866

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merged 1 commit into from
Jun 18, 2024
Merged

fix(preview): don't create folder structure when previews are disabled #45866

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21 changes: 17 additions & 4 deletions lib/private/PreviewManager.php
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Original file line number Diff line number Diff line change
Expand Up @@ -50,6 +50,7 @@ class PreviewManager implements IPreview {
private IServerContainer $container;
private IBinaryFinder $binaryFinder;
private IMagickSupport $imagickSupport;
private bool $enablePreviews;

public function __construct(
IConfig $config,
Expand All @@ -73,6 +74,7 @@ public function __construct(
$this->container = $container;
$this->binaryFinder = $binaryFinder;
$this->imagickSupport = $imagickSupport;
$this->enablePreviews = $config->getSystemValueBool('enable_previews', true);
}

/**
Expand All @@ -86,7 +88,7 @@ public function __construct(
* @return void
*/
public function registerProvider($mimeTypeRegex, \Closure $callable): void {
if (!$this->config->getSystemValueBool('enable_previews', true)) {
if (!$this->enablePreviews) {
return;
}

Expand All @@ -101,7 +103,7 @@ public function registerProvider($mimeTypeRegex, \Closure $callable): void {
* Get all providers
*/
public function getProviders(): array {
if (!$this->config->getSystemValueBool('enable_previews', true)) {
if (!$this->enablePreviews) {
return [];
}

Expand Down Expand Up @@ -158,6 +160,7 @@ private function getGenerator(): Generator {
* @since 11.0.0 - \InvalidArgumentException was added in 12.0.0
*/
public function getPreview(File $file, $width = -1, $height = -1, $crop = false, $mode = IPreview::MODE_FILL, $mimeType = null) {
$this->throwIfPreviewsDisabled();
$previewConcurrency = $this->getGenerator()->getNumConcurrentPreviews('preview_concurrency_all');
$sem = Generator::guardWithSemaphore(Generator::SEMAPHORE_ID_ALL, $previewConcurrency);
try {
Expand All @@ -181,6 +184,7 @@ public function getPreview(File $file, $width = -1, $height = -1, $crop = false,
* @since 19.0.0
*/
public function generatePreviews(File $file, array $specifications, $mimeType = null) {
$this->throwIfPreviewsDisabled();
return $this->getGenerator()->generatePreviews($file, $specifications, $mimeType);
}

Expand All @@ -191,7 +195,7 @@ public function generatePreviews(File $file, array $specifications, $mimeType =
* @return boolean
*/
public function isMimeSupported($mimeType = '*') {
if (!$this->config->getSystemValueBool('enable_previews', true)) {
if (!$this->enablePreviews) {
return false;
}

Expand All @@ -216,7 +220,7 @@ public function isMimeSupported($mimeType = '*') {
* Check if a preview can be generated for a file
*/
public function isAvailable(\OCP\Files\FileInfo $file): bool {
if (!$this->config->getSystemValueBool('enable_previews', true)) {
if (!$this->enablePreviews) {
return false;
}

Expand Down Expand Up @@ -452,4 +456,13 @@ private function registerBootstrapProviders(): void {
});
}
}

/**
* @throws NotFoundException if preview generation is disabled
*/
private function throwIfPreviewsDisabled(): void {
if (!$this->enablePreviews) {
throw new NotFoundException('Previews disabled');
}
}
}
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