90 lines
3.4 KiB
PHP
90 lines
3.4 KiB
PHP
<?php
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declare(strict_types=1);
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namespace Shimmie2;
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class ReplaceFile extends Extension
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{
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/** @var ReplaceFileTheme */
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protected Themelet $theme;
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public function onPageRequest(PageRequestEvent $event): void
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{
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global $cache, $page, $user;
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if ($event->page_matches("replace/{image_id}", method: "GET", permission: Permissions::REPLACE_IMAGE)) {
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$image_id = $event->get_iarg('image_id');
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$image = Image::by_id($image_id);
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if (is_null($image)) {
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throw new UploadException("Can not replace Post: No post with ID $image_id");
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}
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$this->theme->display_replace_page($page, $image_id);
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}
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if ($event->page_matches("replace/{image_id}", method: "POST", permission: Permissions::REPLACE_IMAGE)) {
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$image_id = $event->get_iarg('image_id');
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$image = Image::by_id($image_id);
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if (is_null($image)) {
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throw new UploadException("Can not replace Post: No post with ID $image_id");
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}
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if (!empty($event->get_POST("url"))) {
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$tmp_filename = shm_tempnam("transload");
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fetch_url($event->req_POST("url"), $tmp_filename);
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send_event(new ImageReplaceEvent($image, $tmp_filename));
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} elseif (count($_FILES) > 0) {
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send_event(new ImageReplaceEvent($image, $_FILES["data"]['tmp_name']));
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}
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if($event->get_POST("source")) {
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send_event(new SourceSetEvent($image, $event->req_POST("source")));
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}
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$cache->delete("thumb-block:{$image_id}");
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$page->set_mode(PageMode::REDIRECT);
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$page->set_redirect(make_link("post/view/$image_id"));
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}
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}
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public function onImageAdminBlockBuilding(ImageAdminBlockBuildingEvent $event): void
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{
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global $user;
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/* In the future, could perhaps allow users to replace images that they own as well... */
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if ($user->can(Permissions::REPLACE_IMAGE)) {
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$event->add_button("Replace", "replace/{$event->image->id}");
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}
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}
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public function onImageReplace(ImageReplaceEvent $event): void
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{
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$image = $event->image;
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$duplicate = Image::by_hash($event->new_hash);
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if (!is_null($duplicate) && $duplicate->id != $image->id) {
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throw new ImageReplaceException("A different post >>{$duplicate->id} already has hash {$duplicate->hash}");
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}
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$image->remove_image_only(); // Actually delete the old image file from disk
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$target = warehouse_path(Image::IMAGE_DIR, $event->new_hash);
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if (!@copy($event->tmp_filename, $target)) {
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$errors = error_get_last();
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throw new ImageReplaceException(
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"Failed to copy file from uploads ({$event->tmp_filename}) to archive ($target): ".
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"{$errors['type']} / {$errors['message']}"
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);
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}
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unlink($event->tmp_filename);
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// update metadata and save metadata to DB
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$event->image->hash = $event->new_hash;
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$event->image->filesize = filesize_ex($target);
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$event->image->set_mime(MimeType::get_for_file($target));
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send_event(new MediaCheckPropertiesEvent($image));
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$image->save_to_db();
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send_event(new ThumbnailGenerationEvent($image));
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log_info("image", "Replaced >>{$image->id} {$event->old_hash} with {$event->new_hash}");
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}
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}
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