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Added options and onImageDownloading event handlers to allow resizing and converting images via get arguments

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This commit is contained in:
Matthew Barbour
2020-06-16 19:06:15 -05:00
committed by Shish
parent a3a3aba040
commit 35626d3989
2 changed files with 94 additions and 0 deletions
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37
ext/transcode/main.php
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@@ -48,6 +48,7 @@ class TranscodeImage extends Extension
{
global $config;
$config->set_default_bool(TranscodeConfig::ENABLED, true);
$config->set_default_bool(TranscodeConfig::GET_ENABLED, false);
$config->set_default_bool(TranscodeConfig::UPLOAD, false);
$config->set_default_string(TranscodeConfig::ENGINE, MediaEngine::GD);
$config->set_default_int(TranscodeConfig::QUALITY, 80);
@@ -144,6 +145,7 @@ class TranscodeImage extends Extension
$sb = new SetupBlock("Image Transcode");
$sb->start_table();
$sb->add_bool_option(TranscodeConfig::ENABLED, "Allow transcoding images", true);
$sb->add_bool_option(TranscodeConfig::GET_ENABLED, "Enable GET args", true);
$sb->add_bool_option(TranscodeConfig::UPLOAD, "Transcode on upload", true);
$sb->add_choice_option(TranscodeConfig::ENGINE, MediaEngine::IMAGE_ENGINES, "Engine", true);
foreach (self::INPUT_MIMES as $display=> $mime) {
@@ -217,6 +219,41 @@ class TranscodeImage extends Extension
}
}
public function onImageDownloading(ImageDownloadingEvent $event)
{
global $config, $user;
if ($config->get_bool(TranscodeConfig::GET_ENABLED) &&
isset($_GET['transcode']) &&
$user->can(Permissions::EDIT_FILES) &&
$this->can_convert_mime($config->get_string(TranscodeConfig::ENGINE), $event->image->get_mime())) {
$target_mime = $_GET['transcode'];
if (!MimeType::is_mime($target_mime)) {
$target_mime = MimeType::get_for_extension($target_mime);
}
if (empty($target_mime)) {
throw new ImageTranscodeException("Unable to determine output MIME for ".$_GET['transcode']);
}
MediaEngine::is_output_supported($config->get_string(TranscodeConfig::ENGINE), $target_mime);
$source_mime = $event->image->get_mime();
if ($source_mime!=$target_mime) {
$tmp_filename = $this->transcode_image($event->path, $source_mime, $target_mime);
if ($event->file_modified===true&&$event->path!=$event->image->get_image_filename()) {
// This means that we're dealing with a temp file that will need cleaned up
unlink($event->path);
}
$event->path = $tmp_filename;
$event->mime = $target_mime;
$event->file_modified = true;
}
}
}
public function onBulkActionBlockBuilding(BulkActionBlockBuildingEvent $event)
{