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refactor a bunch of weirdness in image replacement

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This commit is contained in:
Shish
2020-04-25 21:38:11 +01:00
parent 2cae6cd273
commit 72645af9a4
2 changed files with 21 additions and 46 deletions
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56
ext/upload/main.php
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@@ -15,6 +15,8 @@ class DataUploadEvent extends Event
public $type = "";
/** @var int */
public $image_id = -1;
/** @var int */
public $replace_id = null;
/** @var bool */
public $handled = false;
/** @var bool */
@@ -192,49 +194,33 @@ class Upload extends Extension
if ($this->is_full) {
throw new UploadException("Can not replace Image: disk nearly full");
}
// Try to get the image ID
if ($event->count_args() >= 1) {
$image_id = int_escape($event->get_arg(0));
} elseif (isset($_POST['image_id'])) {
$image_id = $_POST['image_id'];
$image_id = int_escape($_POST['image_id']);
} else {
throw new UploadException("Can not replace Image: No valid Image ID given.");
}
$image_old = Image::by_id($image_id);
if (is_null($image_old)) {
$this->theme->display_error(404, "Image not found", "No image in the database has the ID #$image_id");
throw new UploadException("Can not replace Image: No image with ID $image_id");
}
if (count($_FILES) + count($_POST) > 0) {
if (count($_FILES) > 1) {
throw new UploadException("Can not upload more than one image for replacing.");
}
$source = $_POST['source'] ?? null;
$source = isset($_POST['source']) ? $_POST['source'] : null;
$tags = []; // Tags aren't changed when replacing. Set to empty to stop PHP warnings.
$ok = false;
if (count($_FILES)) {
foreach ($_FILES as $file) {
$ok = $this->try_upload($file, $tags, $source, $image_id);
break; // leave the foreach loop.
}
} else {
foreach ($_POST as $name => $value) {
if (substr($name, 0, 3) == "url" && strlen($value) > 0) {
$ok = $this->try_transload($value, $tags, $source, $image_id);
break; // leave the foreach loop.
}
}
}
if (!empty($_POST["url"])) {
$ok = $this->try_transload($_POST["url"], [], $source, $image_id);
$cache->delete("thumb-block:{$image_id}");
$this->theme->display_upload_status($page, $ok);
} elseif (count($_FILES) > 0) {
$ok = $this->try_upload($_FILES["data"], [], $source, $image_id);
$cache->delete("thumb-block:{$image_id}");
$this->theme->display_upload_status($page, $ok);
} elseif (!empty($_GET['url'])) {
$url = $_GET['url'];
$tags = isset($_GET['tags']) ? Tag::explode($_GET['tags']) : 'tagme';
$source = isset($_GET['source']) ? $_GET['source'] : $url;
$ok = $this->try_transload($url, $tags, $source, $image_id);
$ok = $this->try_transload($_GET['url'], [], $source, $image_id);
$cache->delete("thumb-block:{$image_id}");
$this->theme->display_upload_status($page, $ok);
} else {
@@ -332,7 +318,7 @@ class Upload extends Extension
* #param string[] $file
* #param string[] $tags
*/
private function try_upload(array $file, array $tags, ?string $source = null, int $replace = -1): bool
private function try_upload(array $file, array $tags, ?string $source = null, ?int $replace_id = null): bool
{
global $page;
@@ -359,12 +345,8 @@ class Upload extends Extension
$metadata['tags'] = $tags;
$metadata['source'] = $source;
/* check if we have been given an image ID to replace */
if ($replace >= 0) {
$metadata['replace'] = $replace;
}
$event = new DataUploadEvent($file['tmp_name'], $metadata);
$event->replace_id = $replace_id;
send_event($event);
if ($event->image_id == -1) {
throw new UploadException("File type not supported: " . $metadata['extension']);
@@ -383,7 +365,7 @@ class Upload extends Extension
return $ok;
}
private function try_transload(string $url, array $tags, string $source = null, int $replace = -1): bool
private function try_transload(string $url, array $tags, string $source = null, ?int $replace_id = null): bool
{
global $page, $config, $user;
@@ -454,13 +436,9 @@ class Upload extends Extension
$metadata['rating'] = $rating;
}
/* check if we have been given an image ID to replace */
if ($replace >= 0) {
$metadata['replace'] = $replace;
}
try {
$event = new DataUploadEvent($tmp_filename, $metadata);
$event->replace_id = $replace_id;
send_event($event);
if ($event->image_id == -1) {
throw new UploadException("File type not supported: " . $metadata['extension']);