/**
* Generate the necessary DataUploadEvent for a given image and tags.
*/
private function add_image($tmpname, $filename, $tags, $source, $rating, $thumbfile)
{
assert(file_exists($tmpname));
$pathinfo = pathinfo($filename);
if (!array_key_exists('extension', $pathinfo)) {
throw new UploadException("File has no extension");
}
$metadata = array();
$metadata['filename'] = $pathinfo['basename'];
$metadata['extension'] = $pathinfo['extension'];
$metadata['tags'] = $tags;
$metadata['source'] = $source;
$event = new DataUploadEvent($tmpname, $metadata);
send_event($event);
if ($event->image_id == -1) {
throw new UploadException("File type not recognised");
} else {
if (class_exists("RatingSetEvent") && in_array($rating, array("s", "q", "e"))) {
$ratingevent = new RatingSetEvent(Image::by_id($event->image_id), $rating);
send_event($ratingevent);
}
if (file_exists($thumbfile)) {
copy($thumbfile, warehouse_path("thumbs", $event->hash));
}
}
}
public function onPageRequest(PageRequestEvent $event)
{
global $page, $user;
if ($event->page_matches("regen_thumb") && $user->can("delete_image") && isset($_POST['image_id'])) {
$image = Image::by_id(int_escape($_POST['image_id']));
send_event(new ThumbnailGenerationEvent($image->hash, $image->ext, true));
$this->theme->display_results($page, $image);
}
}
public function onPageRequest($event)
{
global $config, $database, $page, $user;
if ($event->page_matches("regen_thumb") && $user->is_admin() && isset($_POST['image_id'])) {
$image = Image::by_id(int_escape($_POST['image_id']));
send_event(new ThumbnailGenerationEvent($image->hash, $image->ext));
$this->theme->display_results($page, $image);
}
}
public function onPageRequest(PageRequestEvent $event)
{
global $page, $user;
if ($event->page_matches("api/shimmie")) {
$page->set_mode("data");
$page->set_type("text/plain");
if ($event->page_matches("api/shimmie/get_tags")) {
$tag = $event->get_arg(0);
if (empty($tag) && isset($_GET['tag'])) {
$tag = $_GET['tag'];
}
$res = $this->api_get_tags($tag);
$page->set_data(json_encode($res));
} elseif ($event->page_matches("api/shimmie/get_image")) {
$arg = $event->get_arg(0);
if (empty($arg) && isset($_GET['id'])) {
$arg = $_GET['id'];
}
$image = Image::by_id(int_escape($arg));
// FIXME: handle null image
$image->get_tag_array();
// tag data isn't loaded into the object until necessary
$safe_image = new _SafeImage($image);
$page->set_data(json_encode($safe_image));
} elseif ($event->page_matches("api/shimmie/find_images")) {
$search_terms = $event->get_search_terms();
$page_number = $event->get_page_number();
$page_size = $event->get_page_size();
$images = Image::find_images(($page_number - 1) * $page_size, $page_size, $search_terms);
$safe_images = array();
foreach ($images as $image) {
$image->get_tag_array();
$safe_images[] = new _SafeImage($image);
}
$page->set_data(json_encode($safe_images));
} elseif ($event->page_matches("api/shimmie/get_user")) {
$query = $user->id;
$type = "id";
if ($event->count_args() == 1) {
$query = $event->get_arg(0);
$type = "name";
} elseif (isset($_GET['id'])) {
$query = $_GET['id'];
} elseif (isset($_GET['name'])) {
$query = $_GET['name'];
$type = "name";
}
$all = $this->api_get_user($type, $query);
$page->set_data(json_encode($all));
} else {
$page->set_mode("redirect");
$page->set_redirect(make_link("ext_doc/shimmie_api"));
}
}
}
public function onPageRequest(PageRequestEvent $event)
{
global $config, $database, $page;
if ($event->page_matches("get_svg")) {
$id = int_escape($event->get_arg(0));
$image = Image::by_id($id);
$hash = $image->hash;
$page->set_type("image/svg+xml");
$page->set_mode("data");
$page->set_data(file_get_contents(warehouse_path("images", $hash)));
}
}
public function display_resize_page(Page $page, $image_id)
{
global $config;
$default_width = $config->get_int('resize_default_width');
$default_height = $config->get_int('resize_default_height');
$image = Image::by_id($image_id);
$thumbnail = $this->build_thumb_html($image, null);
$html = "<div style='clear:both;'></div>\n\t\t\t\t<p>Resize Image ID " . $image_id . "<br>" . $thumbnail . "</p>\n\t\t\t\t<p>Please note: You will have to refresh the image page, or empty your browser cache.</p>\n\t\t\t\t<p>Enter the new size for the image, or leave blank to scale the image automatically.</p><br>" . make_form(make_link('resize/' . $image_id), 'POST', $multipart = True, 'form_resize') . "\n\t\t\t\t<input type='hidden' name='image_id' value='{$image_id}'>\n\t\t\t\t<table id='large_upload_form'>\n\t\t\t\t\t<tr><td>New Width</td><td colspan='3'><input id='resize_width' name='resize_width' type='text' value='" . $default_width . "'></td></tr>\n\t\t\t\t\t<tr><td>New Height</td><td colspan='3'><input id='resize_height' name='resize_height' type='text' value='" . $default_height . "'></td></tr>\n\t\t\t\t\t<tr><td colspan='4'><input id='resizebutton' type='submit' value='Resize'></td></tr>\n\t\t\t\t</table>\n\t\t\t</form>\n\t\t";
$page->set_title("Resize Image");
$page->set_heading("Resize Image");
$page->add_block(new NavBlock());
$page->add_block(new Block("Resize Image", $html, "main", 20));
}
public function onPageRequest($event)
{
global $config, $database, $page;
if ($event->page_matches("get_ico")) {
$id = int_escape($event->get_arg(0));
$image = Image::by_id($id);
$hash = $image->hash;
$ha = substr($hash, 0, 2);
$page->set_type("image/x-icon");
$page->set_mode("data");
$page->set_data(file_get_contents("images/{$ha}/{$hash}"));
}
}
public function onPageRequest(PageRequestEvent $event)
{
global $config, $database, $page, $user;
if ($event->page_matches("image_hash_ban")) {
if ($user->is_admin()) {
if ($event->get_arg(0) == "dnp") {
$image = Image::by_id(int_escape($event->get_arg(1)));
if ($image) {
send_event(new AddImageHashBanEvent($image->hash, "DNP"));
send_event(new ImageDeletionEvent($image));
}
$page->set_mode("redirect");
$page->set_redirect($_SERVER["HTTP_REFERER"]);
} else {
if ($event->get_arg(0) == "add") {
if (isset($_POST['hash']) && isset($_POST['reason'])) {
send_event(new AddImageHashBanEvent($_POST['hash'], $_POST['reason']));
$page->set_mode("redirect");
$page->set_redirect(make_link("image_hash_ban/list/1"));
}
if (isset($_POST['image_id'])) {
$image = Image::by_id(int_escape($_POST['image_id']));
if ($image) {
send_event(new ImageDeletionEvent($image));
$page->set_mode("redirect");
$page->set_redirect(make_link("post/list"));
}
}
} else {
if ($event->get_arg(0) == "remove") {
if (isset($_POST['hash'])) {
send_event(new RemoveImageHashBanEvent($_POST['hash']));
$page->set_mode("redirect");
$page->set_redirect(make_link("image_hash_ban/list/1"));
}
} else {
if ($event->get_arg(0) == "list") {
$page_num = 0;
if ($event->count_args() == 2) {
$page_num = int_escape($event->get_arg(1));
}
$page_size = 100;
$page_count = ceil($database->get_one("SELECT COUNT(id) FROM image_bans") / $page_size);
$this->theme->display_Image_hash_Bans($page, $page_num, $page_count, $this->get_image_hash_bans($page_num, $page_size));
}
}
}
}
}
}
}
public function receive_event(Event $event)
{
if (is_null($this->theme)) {
$this->theme = get_theme_object($this);
}
if ($event instanceof DataUploadEvent && $this->supported_ext($event->type) && $this->check_contents($event->tmpname)) {
$hash = $event->hash;
$ha = substr($hash, 0, 2);
if (!move_upload_to_archive($event)) {
return;
}
send_event(new ThumbnailGenerationEvent($event->hash, $event->type));
$image = $this->create_image_from_data(warehouse_path("images", $hash), $event->metadata);
if (is_null($image)) {
throw new UploadException("SVG handler failed to create image object from data");
}
$iae = new ImageAdditionEvent($event->user, $image);
send_event($iae);
$event->image_id = $iae->image->id;
}
if ($event instanceof ThumbnailGenerationEvent && $this->supported_ext($event->type)) {
$hash = $event->hash;
$ha = substr($hash, 0, 2);
global $config;
// if($config->get_string("thumb_engine") == "convert") {
// $w = $config->get_int("thumb_width");
// $h = $config->get_int("thumb_height");
// $q = $config->get_int("thumb_quality");
// $mem = $config->get_int("thumb_max_memory") / 1024 / 1024; // IM takes memory in MB
//
// exec("convert images/{$ha}/{$hash}[0] -geometry {$w}x{$h} -quality {$q} jpg:thumbs/{$ha}/{$hash}");
// }
// else {
copy("ext/handle_svg/thumb.jpg", warehouse_path("thumbs", $hash));
// }
}
if ($event instanceof DisplayingImageEvent && $this->supported_ext($event->image->ext)) {
global $page;
$this->theme->display_image($page, $event->image);
}
if ($event instanceof PageRequestEvent && $event->page_matches("get_svg")) {
global $config, $database, $page;
$id = int_escape($event->get_arg(0));
$image = Image::by_id($id);
$hash = $image->hash;
$page->set_type("image/svg+xml");
$page->set_mode("data");
$page->set_data(file_get_contents(warehouse_path("images", $hash)));
}
}
public function onPostListBuilding($event)
{
global $config, $page, $user;
$fid = $config->get_int("featured_id");
if ($fid > 0) {
$image = Image::by_id($fid);
if (!is_null($image)) {
if (class_exists("Ratings")) {
if (strpos(Ratings::get_user_privs($user), $image->rating) === FALSE) {
return;
}
}
$this->theme->display_featured($page, $image);
}
}
}
public function onPageRequest(PageRequestEvent $event)
{
global $config, $database, $page, $user;
if ($event->page_matches("image_hash_ban")) {
if ($user->can("ban_image")) {
if ($event->get_arg(0) == "add") {
$image = isset($_POST['image_id']) ? Image::by_id(int_escape($_POST['image_id'])) : null;
$hash = isset($_POST["hash"]) ? $_POST["hash"] : $image->hash;
$reason = isset($_POST['reason']) ? $_POST['reason'] : "DNP";
if ($hash) {
send_event(new AddImageHashBanEvent($hash, $reason));
flash_message("Image ban added");
if ($image) {
send_event(new ImageDeletionEvent($image));
flash_message("Image deleted");
}
$page->set_mode("redirect");
$page->set_redirect($_SERVER['HTTP_REFERER']);
}
} else {
if ($event->get_arg(0) == "remove") {
if (isset($_POST['hash'])) {
send_event(new RemoveImageHashBanEvent($_POST['hash']));
flash_message("Image ban removed");
$page->set_mode("redirect");
$page->set_redirect($_SERVER['HTTP_REFERER']);
}
} else {
if ($event->get_arg(0) == "list") {
$page_num = 0;
if ($event->count_args() == 2) {
$page_num = int_escape($event->get_arg(1));
}
$page_size = 100;
$page_count = ceil($database->get_one("SELECT COUNT(id) FROM image_bans") / $page_size);
$this->theme->display_Image_hash_Bans($page, $page_num, $page_count, $this->get_image_hash_bans($page_num, $page_size));
}
}
}
}
}
}
public function onPageRequest(PageRequestEvent $event)
{
global $database, $page;
if ($event->page_matches("api/shimmie")) {
$page->set_mode("data");
$page->set_type("text/plain");
if ($event->page_matches("api/shimmie/get_tags")) {
if ($event->count_args() == 2) {
$all = $database->get_all("SELECT tag FROM tags WHERE tag LIKE ?", array($event->get_arg(0) . "%"));
} else {
$all = $database->get_all("SELECT tag FROM tags");
}
$res = array();
foreach ($all as $row) {
$res[] = $row["tag"];
}
$page->set_data(json_encode($res));
}
if ($event->page_matches("api/shimmie/get_image")) {
$image = Image::by_id(int_escape($event->get_arg(0)));
$image->get_tag_array();
// tag data isn't loaded into the object until necessary
$safe_image = new _SafeImage($image);
$page->set_data(json_encode($safe_image));
}
if ($event->page_matches("api/shimmie/find_images")) {
$search_terms = $event->get_search_terms();
$page_number = $event->get_page_number();
$page_size = $event->get_page_size();
$images = Image::find_images(($page_number - 1) * $page_size, $page_size, $search_terms);
$safe_images = array();
foreach ($images as $image) {
$image->get_tag_array();
$safe_images[] = new _SafeImage($image);
}
$page->set_data(json_encode($safe_images));
}
}
}
public function onPostListBuilding(PostListBuildingEvent $event)
{
global $config, $database, $page, $user;
$fid = $config->get_int("featured_id");
if ($fid > 0) {
$image = $database->cache->get("featured_image_object:{$fid}");
if ($image === false) {
$image = Image::by_id($fid);
if ($image) {
// make sure the object is fully populated before saving
$image->get_tag_array();
}
$database->cache->set("featured_image_object:{$fid}", $image, 600);
}
if (!is_null($image)) {
if (class_exists("Ratings")) {
if (strpos(Ratings::get_user_privs($user), $image->rating) === FALSE) {
return;
}
}
$this->theme->display_featured($page, $image);
}
}
}
private function add_comment_wrapper($image_id, $user, $comment, $event)
{
global $database;
global $config;
// basic sanity checks
if (!$config->get_bool('comment_anon') && $user->is_anonymous()) {
throw new CommentPostingException("Anonymous posting has been disabled");
} else {
if (is_null(Image::by_id($image_id))) {
throw new CommentPostingException("The image does not exist");
} else {
if (trim($comment) == "") {
throw new CommentPostingException("Comments need text...");
} else {
if (strlen($comment) > 9000) {
throw new CommentPostingException("Comment too long~");
} else {
if (strlen($comment) / strlen(gzcompress($comment)) > 10) {
throw new CommentPostingException("Comment too repetitive~");
} else {
if ($user->is_anonymous() && !$this->hash_match()) {
throw new CommentPostingException("Comment submission form is out of date; refresh the " . "comment form to show you aren't a spammer~");
} else {
if ($this->is_comment_limit_hit()) {
throw new CommentPostingException("You've posted several comments recently; wait a minute and try again...");
} else {
if ($this->is_dupe($image_id, $comment)) {
throw new CommentPostingException("Someone already made that comment on that image -- try and be more original?");
} else {
if ($config->get_bool('comment_captcha') && !captcha_check()) {
throw new CommentPostingException("Error in captcha");
} else {
if ($user->is_anonymous() && $this->is_spam_akismet($comment)) {
throw new CommentPostingException("Akismet thinks that your comment is spam. Try rewriting the comment, or logging in.");
} else {
$database->Execute("INSERT INTO comments(image_id, owner_id, owner_ip, posted, comment) " . "VALUES(?, ?, ?, now(), ?)", array($image_id, $user->id, $_SERVER['REMOTE_ADDR'], $comment));
$cid = $database->db->Insert_ID();
log_info("comment", "Comment #{$cid} added to Image #{$image_id}");
}
}
}
}
}
}
}
}
}
}
}
public function onPageRequest(PageRequestEvent $event)
{
global $page, $user;
if ($event->page_matches("upload/replace")) {
// check if the user is an administrator and can upload files.
if (!$user->can("replace_image")) {
$this->theme->display_permission_denied();
} else {
if ($this->is_full) {
throw new UploadException("Can not replace Image: disk nearly full");
}
// Try to get the image ID
$image_id = int_escape($event->get_arg(0));
if (empty($image_id)) {
$image_id = isset($_POST['image_id']) ? $_POST['image_id'] : null;
}
if (empty($image_id)) {
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}");
}
if (count($_FILES) + count($_POST) > 0) {
if (count($_FILES) > 1) {
throw new UploadException("Can not upload more than one image for replacing.");
}
$source = isset($_POST['source']) ? $_POST['source'] : null;
$tags = '';
// Tags aren't changed when uploading. Set to null to stop PHP warnings.
if (count($_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.
}
}
}
$this->theme->display_upload_status($page, $ok);
} else {
if (!empty($_GET['url'])) {
$url = $_GET['url'];
$source = isset($_GET['source']) ? $_GET['source'] : $url;
$ok = $this->try_transload($url, $tags, $source, $image_id);
$this->theme->display_upload_status($page, $ok);
} else {
$this->theme->display_replace_page($page, $image_id);
}
}
}
} else {
if ($event->page_matches("upload")) {
if (!$user->can("create_image")) {
$this->theme->display_permission_denied();
} else {
/* Regular Upload Image */
if (count($_FILES) + count($_POST) > 0) {
$ok = true;
foreach ($_FILES as $name => $file) {
$tags = $this->tags_for_upload_slot(int_escape(substr($name, 4)));
$source = isset($_POST['source']) ? $_POST['source'] : null;
$ok = $ok & $this->try_upload($file, $tags, $source);
}
foreach ($_POST as $name => $value) {
if (substr($name, 0, 3) == "url" && strlen($value) > 0) {
$tags = $this->tags_for_upload_slot(int_escape(substr($name, 3)));
$source = isset($_POST['source']) ? $_POST['source'] : $value;
$ok = $ok & $this->try_transload($value, $tags, $source);
}
}
$this->theme->display_upload_status($page, $ok);
} else {
if (!empty($_GET['url'])) {
$url = $_GET['url'];
$source = isset($_GET['source']) ? $_GET['source'] : $url;
$tags = array('tagme');
if (!empty($_GET['tags']) && $_GET['tags'] != "null") {
$tags = Tag::explode($_GET['tags']);
}
$ok = $this->try_transload($url, $tags, $source);
$this->theme->display_upload_status($page, $ok);
} else {
if ($this->is_full) {
$this->theme->display_full($page);
} else {
$this->theme->display_page($page);
}
}
}
}
}
}
}
/**
* This function attempts to revert all changes by a given IP within an (optional) timeframe.
*
* @param string $name
* @param string $ip
* @param string $date
*/
public function process_revert_all_changes($name, $ip, $date)
{
global $database;
$select_code = array();
$select_args = array();
if (!is_null($name)) {
$duser = User::by_name($name);
if (is_null($duser)) {
$this->theme->add_status($name, "user not found");
return;
} else {
$select_code[] = 'user_id = ?';
$select_args[] = $duser->id;
}
}
if (!is_null($date)) {
$select_code[] = 'date_set >= ?';
$select_args[] = $date;
}
if (!is_null($ip)) {
$select_code[] = 'user_ip = ?';
$select_args[] = $ip;
}
if (count($select_code) == 0) {
log_error("source_history", "Tried to mass revert without any conditions");
return;
}
log_info("source_history", 'Attempting to revert edits where ' . implode(" and ", $select_code) . " (" . implode(" / ", $select_args) . ")");
// Get all the images that the given IP has changed source on (within the timeframe) that were last editied by the given IP
$result = $database->get_col('
SELECT t1.image_id
FROM source_histories t1
LEFT JOIN source_histories t2 ON (t1.image_id = t2.image_id AND t1.date_set < t2.date_set)
WHERE t2.image_id IS NULL
AND t1.image_id IN ( select image_id from source_histories where ' . implode(" AND ", $select_code) . ')
ORDER BY t1.image_id
', $select_args);
foreach ($result as $image_id) {
// Get the first source history that was done before the given IP edit
$row = $database->get_row('
SELECT id, source
FROM source_histories
WHERE image_id=' . $image_id . '
AND NOT (' . implode(" AND ", $select_code) . ')
ORDER BY date_set DESC LIMIT 1
', $select_args);
if (empty($row)) {
// we can not revert this image based on the date restriction.
// Output a message perhaps?
} else {
$revert_id = $row['id'];
$result = $this->get_source_history_from_revert($revert_id);
if (empty($result)) {
// there is no history entry with that id so either the image was deleted
// while the user was viewing the history, or something messed up
/* calling die() is probably not a good idea, we should throw an Exception */
die('Error: No source history with specified id (' . $revert_id . ') was found in the database.' . "\n\n" . 'Perhaps the image was deleted while processing this request.');
}
// lets get the values out of the result
$stored_result_id = $result['id'];
$stored_image_id = $result['image_id'];
$stored_source = $result['source'];
log_debug("source_history", 'Reverting source of Image #' . $stored_image_id . ' to [' . $stored_source . ']');
$image = Image::by_id($stored_image_id);
if (is_null($image)) {
die('Error: No image with the id (' . $stored_image_id . ') was found. Perhaps the image was deleted while processing this request.');
}
// all should be ok so we can revert by firing the SetSources event.
send_event(new SourceSetEvent($image, $stored_source));
$this->theme->add_status('Reverted Change', 'Reverted Image #' . $image_id . ' to Source History #' . $stored_result_id . ' (' . $row['source'] . ')');
}
}
log_info("source_history", 'Reverted ' . count($result) . ' edits.');
}
/**
* @param Page $page
* @param bool $with_images
* @param bool $with_comments
*/
private function delete_user(Page $page, $with_images = false, $with_comments = false)
{
global $user, $config, $database;
$page->set_title("Error");
$page->set_heading("Error");
$page->add_block(new NavBlock());
if (!$user->can("delete_user")) {
$page->add_block(new Block("Not Admin", "Only admins can delete accounts"));
} else {
if (!isset($_POST['id']) || !is_numeric($_POST['id'])) {
$page->add_block(new Block("No ID Specified", "You need to specify the account number to edit"));
} else {
log_warning("user", "Deleting user #{$_POST['id']}");
if ($with_images) {
log_warning("user", "Deleting user #{$_POST['id']}'s uploads");
$rows = $database->get_all("SELECT * FROM images WHERE owner_id = :owner_id", array("owner_id" => $_POST['id']));
foreach ($rows as $key => $value) {
$image = Image::by_id($value['id']);
if ($image) {
send_event(new ImageDeletionEvent($image));
}
}
} else {
$database->Execute("UPDATE images SET owner_id = :new_owner_id WHERE owner_id = :old_owner_id", array("new_owner_id" => $config->get_int('anon_id'), "old_owner_id" => $_POST['id']));
}
if ($with_comments) {
log_warning("user", "Deleting user #{$_POST['id']}'s comments");
$database->execute("DELETE FROM comments WHERE owner_id = :owner_id", array("owner_id" => $_POST['id']));
} else {
$database->Execute("UPDATE comments SET owner_id = :new_owner_id WHERE owner_id = :old_owner_id", array("new_owner_id" => $config->get_int('anon_id'), "old_owner_id" => $_POST['id']));
}
send_event(new UserDeletionEvent($_POST['id']));
$database->execute("DELETE FROM users WHERE id = :id", array("id" => $_POST['id']));
$page->set_mode("redirect");
$page->set_redirect(make_link("post/list"));
}
}
}
public function receive_event(Event $event)
{
global $config, $database, $page, $user;
if (is_null($this->theme)) {
$this->theme = get_theme_object($this);
}
// f*****g PHP "security" measures -_-;;;
$free_num = @disk_free_space(realpath("./images/"));
if ($free_num === FALSE) {
$is_full = false;
} else {
$is_full = $free_num < 100 * 1024 * 1024;
}
if ($event instanceof InitExtEvent) {
$config->set_default_int('upload_count', 3);
$config->set_default_int('upload_size', '1MB');
$config->set_default_bool('upload_anon', false);
$config->set_default_bool('upload_replace', true);
}
if ($event instanceof PostListBuildingEvent) {
if ($this->can_upload($user)) {
if ($is_full) {
$this->theme->display_full($page);
} else {
$this->theme->display_block($page);
}
}
}
if ($event instanceof PageRequestEvent) {
if ($event->page_matches("upload/replace")) {
/* Upload & Replace Image Request */
if (!$config->get_bool("upload_replace")) {
throw new UploadException("Upload Replacing Images is not enabled.");
}
// check if the user is an administrator and can upload files.
if (!$user->is_admin()) {
$this->theme->display_permission_denied($page);
} else {
if ($is_full) {
throw new UploadException("Can not replace Image: disk nearly full");
}
// Try to get the image ID
$image_id = int_escape($event->get_arg(0));
if (empty($image_id)) {
$image_id = isset($_POST['image_id']) ? $_POST['image_id'] : null;
}
if (empty($image_id)) {
throw new UploadException("Can not replace Image: No valid Image ID given.");
}
$image_old = Image::by_id($image_id);
if (is_null($image_old)) {
$this->theme->display_error($page, "Image not found", "No image in the database has the 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.");
}
$source = isset($_POST['source']) ? $_POST['source'] : null;
$tags = '';
// Tags aren't changed when uploading. Set to null to stop PHP warnings.
if (count($_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.
}
}
}
$this->theme->display_upload_status($page, $ok);
} else {
if (!empty($_GET['url'])) {
$url = $_GET['url'];
$ok = $this->try_transload($url, $tags, $url, $image_id);
$this->theme->display_upload_status($page, $ok);
} else {
$this->theme->display_replace_page($page, $image_id);
}
}
}
// END of if admin / can_upload
} else {
if ($event->page_matches("upload")) {
if (!$this->can_upload($user)) {
$this->theme->display_permission_denied($page);
} else {
/* Regular Upload Image */
if (count($_FILES) + count($_POST) > 0) {
$tags = Tag::explode($_POST['tags']);
$source = isset($_POST['source']) ? $_POST['source'] : null;
$ok = true;
foreach ($_FILES as $file) {
$ok = $ok & $this->try_upload($file, $tags, $source);
}
foreach ($_POST as $name => $value) {
if (substr($name, 0, 3) == "url" && strlen($value) > 0) {
$ok = $ok & $this->try_transload($value, $tags, $source);
}
}
$this->theme->display_upload_status($page, $ok);
} else {
if (!empty($_GET['url'])) {
$url = $_GET['url'];
$tags = array('tagme');
if (!empty($_GET['tags']) && $_GET['tags'] != "null") {
$tags = Tag::explode($_GET['tags']);
}
$ok = $this->try_transload($url, $tags, $url);
$this->theme->display_upload_status($page, $ok);
} else {
if (!$is_full) {
$this->theme->display_page($page);
}
}
}
}
// END of if can_upload
}
}
}
// END of if PageRequestEvent
if ($event instanceof SetupBuildingEvent) {
$tes = array();
$tes["Disabled"] = "none";
if (function_exists("curl_init")) {
$tes["cURL"] = "curl";
}
$tes["fopen"] = "fopen";
$tes["WGet"] = "wget";
$sb = new SetupBlock("Upload");
$sb->position = 10;
// Output the limits from PHP so the user has an idea of what they can set.
$sb->add_label("<i>PHP's Upload Limit = " . ini_get('max_file_uploads') . "</i><br/>");
$sb->add_int_option("upload_count", "Max uploads: ");
$sb->add_label("<br/><i>PHP's Max Size Upload = " . ini_get('upload_max_filesize') . "</i><br/>");
$sb->add_shorthand_int_option("upload_size", "<br/>Max size per file: ");
$sb->add_bool_option("upload_anon", "<br/>Allow anonymous uploads: ");
$sb->add_bool_option("upload_replace", "<br/>Allow replacing images: ");
$sb->add_choice_option("transload_engine", $tes, "<br/>Transload: ");
$event->panel->add_block($sb);
}
if ($event instanceof DataUploadEvent) {
if ($is_full) {
throw new UploadException("Upload failed; disk nearly full");
}
if (filesize($event->tmpname) > $config->get_int('upload_size')) {
$size = to_shorthand_int(filesize($event->tmpname));
$limit = to_shorthand_int($config->get_int('upload_size'));
throw new UploadException("File too large ({$size} > {$limit})");
}
}
}
/**
* This function gets the current order of images from a given pool.
* @param int $poolID
* @return \Image[] Array of image objects.
*/
private function edit_posts($poolID)
{
global $database;
$result = $database->Execute("SELECT image_id FROM pool_images WHERE pool_id=:pid ORDER BY image_order ASC", array("pid" => $poolID));
$images = array();
while ($row = $result->fetch()) {
$image = Image::by_id($row["image_id"]);
$images[] = array($image);
}
return $images;
}
/**
* This function could be made much smaller by using the ImageReplaceEvent
* ie: Pretend that we are replacing the image with a rotated copy.
*
* @param int $image_id
* @param int $deg
* @throws ImageRotateException
*/
private function rotate_image($image_id, $deg)
{
global $config, $user, $page, $database;
if ($deg <= -360 || $deg >= 360) {
throw new ImageRotateException("Invalid options for rotation angle. ({$deg})");
}
$image_obj = Image::by_id($image_id);
$hash = $image_obj->hash;
if (is_null($hash)) {
throw new ImageRotateException("Image does not have a hash associated with it.");
}
$image_filename = warehouse_path("images", $hash);
if (file_exists($image_filename) == false) {
throw new ImageRotateException("{$image_filename} does not exist.");
}
$info = getimagesize($image_filename);
/* Get the image file type */
$pathinfo = pathinfo($image_obj->filename);
$filetype = strtolower($pathinfo['extension']);
/*
Check Memory usage limits
Old check: $memory_use = (filesize($image_filename)*2) + ($width*$height*4) + (4*1024*1024);
New check: memory_use = width * height * (bits per channel) * channels * 2.5
It didn't make sense to compute the memory usage based on the NEW size for the image. ($width*$height*4)
We need to consider the size that we are GOING TO instead.
The factor of 2.5 is simply a rough guideline.
http://stackoverflow.com/questions/527532/reasonable-php-memory-limit-for-image-resize
*/
$memory_use = $info[0] * $info[1] * ($info['bits'] / 8) * $info['channels'] * 2.5 / 1024;
$memory_limit = get_memory_limit();
if ($memory_use > $memory_limit) {
throw new ImageRotateException("The image is too large to rotate given the memory limits. ({$memory_use} > {$memory_limit})");
}
/* Attempt to load the image */
switch ($info[2]) {
case IMAGETYPE_GIF:
$image = imagecreatefromgif($image_filename);
break;
case IMAGETYPE_JPEG:
$image = imagecreatefromjpeg($image_filename);
break;
case IMAGETYPE_PNG:
$image = imagecreatefrompng($image_filename);
break;
default:
throw new ImageRotateException("Unsupported image type or ");
}
/* Rotate and resample the image */
/*
$image_rotated = imagecreatetruecolor( $new_width, $new_height );
if ( ($info[2] == IMAGETYPE_GIF) || ($info[2] == IMAGETYPE_PNG) ) {
$transparency = imagecolortransparent($image);
if ($transparency >= 0) {
$transparent_color = imagecolorsforindex($image, $trnprt_indx);
$transparency = imagecolorallocate($image_rotated, $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
imagefill($image_rotated, 0, 0, $transparency);
imagecolortransparent($image_rotated, $transparency);
}
elseif ($info[2] == IMAGETYPE_PNG) {
imagealphablending($image_rotated, false);
$color = imagecolorallocatealpha($image_rotated, 0, 0, 0, 127);
imagefill($image_rotated, 0, 0, $color);
imagesavealpha($image_rotated, true);
}
}
*/
$image_rotated = imagerotate($image, $deg, 0);
/* Temp storage while we rotate */
$tmp_filename = tempnam(ini_get('upload_tmp_dir'), 'shimmie_rotate');
if (empty($tmp_filename)) {
throw new ImageRotateException("Unable to save temporary image file.");
}
/* Output to the same format as the original image */
switch ($info[2]) {
case IMAGETYPE_GIF:
imagegif($image_rotated, $tmp_filename);
break;
case IMAGETYPE_JPEG:
imagejpeg($image_rotated, $tmp_filename);
break;
case IMAGETYPE_PNG:
imagepng($image_rotated, $tmp_filename);
break;
default:
throw new ImageRotateException("Unsupported image type.");
}
/* Move the new image into the main storage location */
$new_hash = md5_file($tmp_filename);
$new_size = filesize($tmp_filename);
$target = warehouse_path("images", $new_hash);
if (!@copy($tmp_filename, $target)) {
throw new ImageRotateException("Failed to copy new image file from temporary location ({$tmp_filename}) to archive ({$target})");
}
$new_filename = 'rotated-' . $image_obj->filename;
list($new_width, $new_height) = getimagesize($target);
/* Remove temporary file */
@unlink($tmp_filename);
/* Delete original image and thumbnail */
log_debug("image", "Removing image with hash " . $hash);
$image_obj->remove_image_only();
/* Generate new thumbnail */
send_event(new ThumbnailGenerationEvent($new_hash, $filetype));
/* Update the database */
$database->Execute("UPDATE images SET \n\t\t\t\t\tfilename = :filename, filesize = :filesize,\thash = :hash, width = :width, height = :height\n\t\t\t\tWHERE \n\t\t\t\t\tid = :id\n\t\t\t\t", array("filename" => $new_filename, "filesize" => $new_size, "hash" => $new_hash, "width" => $new_width, "height" => $new_height, "id" => $image_id));
log_info("rotate", "Rotated Image #{$image_id} - New hash: {$new_hash}");
}
/**
* Only allows 1 file to be uploaded - for replacing another image file.
*
* @param Page $page
* @param int $image_id
*/
public function display_replace_page(Page $page, $image_id)
{
global $config, $page;
$tl_enabled = $config->get_string("transload_engine", "none") != "none";
$upload_list = "\n\t\t\t\t<tr>\n\t\t\t\t\t<td>File</td>\n\t\t\t\t\t<td><input name='data' type='file'></td>\n\t\t\t\t\t";
if ($tl_enabled) {
$upload_list .= "\n\t\t\t<td>or URL</td>\n\t\t\t<td><input name='url' type='text'></td>\n\t\t\t";
}
$upload_list .= "</tr>";
$max_size = $config->get_int('upload_size');
$max_kb = to_shorthand_int($max_size);
$image = Image::by_id($image_id);
$thumbnail = $this->build_thumb_html($image);
$html = "\n\t\t\t\t<p>Replacing Image ID " . $image_id . "<br>Please note: You will have to refresh the image page, or empty your browser cache.</p>" . $thumbnail . "<br>" . make_form(make_link("upload/replace/" . $image_id), "POST", $multipart = True) . "\n\t\t\t\t<input type='hidden' name='image_id' value='{$image_id}'>\n\t\t\t\t<table id='large_upload_form' class='vert'>\n\t\t\t\t\t{$upload_list}\n\t\t\t\t\t<tr><td>Source</td><td colspan='3'><input name='source' type='text'></td></tr>\n\t\t\t\t\t<tr><td colspan='4'><input id='uploadbutton' type='submit' value='Post'></td></tr>\n\t\t\t\t</table>\n\t\t\t</form>\n\t\t\t<small>(Max file size is {$max_kb})</small>\n\t\t";
$page->set_title("Replace Image");
$page->set_heading("Replace Image");
$page->add_block(new NavBlock());
$page->add_block(new Block("Upload Replacement Image", $html, "main", 20));
}
/**
* HERE WE GET ALL NOTE REQUESTS
* @param PageRequestEvent $event
*/
private function get_notes_requests(PageRequestEvent $event)
{
global $config;
$pageNumber = $event->get_arg(1);
if (is_null($pageNumber) || !is_numeric($pageNumber)) {
$pageNumber = 0;
} else {
if ($pageNumber <= 0) {
$pageNumber = 0;
} else {
$pageNumber--;
}
}
$requestsPerPage = $config->get_int('notesRequestsPerPage');
//$result = $database->get_all("SELECT * FROM pool_images WHERE pool_id=?", array($poolID));
global $database;
$get_requests = "\n\t\t\tSELECT DISTINCT image_id " . "FROM note_request " . "ORDER BY date DESC LIMIT ?, ?";
$result = $database->Execute($get_requests, array($pageNumber * $requestsPerPage, $requestsPerPage));
$totalPages = ceil($database->get_one("SELECT COUNT(*) FROM note_request") / $requestsPerPage);
$images = array();
while (!$result->EOF) {
$image = Image::by_id($result->fields["image_id"]);
$images[] = array($image);
$result->MoveNext();
}
$this->theme->display_note_requests($images, $pageNumber + 1, $totalPages);
}
public function display_replace_page(Page $page, $image_id)
{
global $config;
$tl_enabled = $config->get_string("transload_engine", "none") != "none";
$upload_list = '';
$upload_list .= "\n\t\t\t\t<tr>\n\t\t\t\t\t<td width='60'><form><input id='radio_buttona' type='radio' name='method' value='file' checked='checked' onclick='javascript:document.getElementById("url0").style.display = "none";document.getElementById("url0").value = "";document.getElementById("data0").style.display = ""' /> File<br>";
if ($tl_enabled) {
$upload_list .= "\n\t\t\t\t\t<input id='radio_buttonb' type='radio' name='method' value='url' onclick='javascript:document.getElementById("data0").style.display = "none";document.getElementById("data0").value = "";document.getElementById("url0").style.display = ""' /> URL</ br></td></form>\n\t\t\t\t\t<td><input id='data0' name='data0' class='wid' type='file'><input id='url0' name='url0' class='wid' type='text' style='display:none'></td>\n\t\t\t\t\t";
} else {
$upload_list .= "</form></td>\n\t\t\t\t\t";
}
$max_size = $config->get_int('upload_size');
$max_kb = to_shorthand_int($max_size);
$image = Image::by_id($image_id);
$thumbnail = $this->build_thumb_html($image, null);
$html = "\n\t\t\t\t<div style='clear:both;'></div>\n\t\t\t\t<p>Replacing Image ID " . $image_id . "<br>Please note: You will have to refresh the image page, or empty your browser cache.</p>" . $thumbnail . "<br>" . make_form(make_link("upload/replace/" . $image_id), "POST", $multipart = True) . "\n\t\t\t\t<input type='hidden' name='image_id' value='{$image_id}'>\n\t\t\t\t<table id='large_upload_form' class='vert'>\n\t\t\t\t\t{$upload_list}\n\t\t\t\t\t<tr><td>Source</td><td colspan='3'><input name='source' type='text'></td></tr>\n\t\t\t\t\t<tr><td colspan='4'><input id='uploadbutton' type='submit' value='Post'></td></tr>\n\t\t\t\t</table>\n\t\t\t</form>\n\t\t\t<small>(Max file size is {$max_kb})</small>\n\t\t";
$page->set_title("Replace Image");
$page->set_heading("Replace Image");
$page->add_block(new NavBlock());
$page->add_block(new Block("Upload Replacement Image", $html, "main", 20));
}
/**
* Generate the necessary DataUploadEvent for a given image and tags.
*/
private function add_image($tmpname, $filename, $tags)
{
assert(file_exists($tmpname));
$pathinfo = pathinfo($filename);
if (!array_key_exists('extension', $pathinfo)) {
throw new UploadException("File has no extension");
}
$metadata = array();
$metadata['filename'] = $pathinfo['basename'];
$metadata['extension'] = $pathinfo['extension'];
$metadata['tags'] = "";
// = $tags; doesn't work when not logged in here
$metadata['source'] = null;
$event = new DataUploadEvent($tmpname, $metadata);
send_event($event);
// Generate info message
$infomsg = "";
// Will contain info message
if ($event->image_id == -1) {
$infomsg = "File type not recognised. Filename: {$filename}";
} else {
$infomsg = "Image uploaded. ID: {$event->image_id} - Filename: {$filename} - Tags: {$tags}";
}
$msgNumber = $this->add_upload_info($infomsg);
// Set tags
$img = Image::by_id($event->image_id);
$img->set_tags($tags);
}
/**
* @param DataUploadEvent $event
* @throws UploadException
*/
public function onDataUpload(DataUploadEvent $event)
{
$supported_ext = $this->supported_ext($event->type);
$check_contents = $this->check_contents($event->tmpname);
if ($supported_ext && $check_contents) {
if (!move_upload_to_archive($event)) {
return;
}
send_event(new ThumbnailGenerationEvent($event->hash, $event->type));
/* Check if we are replacing an image */
if (array_key_exists('replace', $event->metadata) && isset($event->metadata['replace'])) {
/* hax: This seems like such a dirty way to do this.. */
/* Validate things */
$image_id = int_escape($event->metadata['replace']);
/* Check to make sure the image exists. */
$existing = Image::by_id($image_id);
if (is_null($existing)) {
throw new UploadException("Image to replace does not exist!");
}
if ($existing->hash === $event->metadata['hash']) {
throw new UploadException("The uploaded image is the same as the one to replace.");
}
// even more hax..
$event->metadata['tags'] = $existing->get_tag_list();
$image = $this->create_image_from_data(warehouse_path("images", $event->metadata['hash']), $event->metadata);
if (is_null($image)) {
throw new UploadException("Data handler failed to create image object from data");
}
$ire = new ImageReplaceEvent($image_id, $image);
send_event($ire);
$event->image_id = $image_id;
} else {
$image = $this->create_image_from_data(warehouse_path("images", $event->hash), $event->metadata);
if (is_null($image)) {
throw new UploadException("Data handler failed to create image object from data");
}
$iae = new ImageAdditionEvent($image);
send_event($iae);
$event->image_id = $iae->image->id;
// Rating Stuff.
if (!empty($event->metadata['rating'])) {
$rating = $event->metadata['rating'];
send_event(new RatingSetEvent($image, $rating));
}
// Locked Stuff.
if (!empty($event->metadata['locked'])) {
$locked = $event->metadata['locked'];
send_event(new LockSetEvent($image, !empty($locked)));
}
}
} elseif ($supported_ext && !$check_contents) {
throw new UploadException("Invalid or corrupted file");
}
}
public function receive_event(Event $event)
{
if (is_null($this->theme)) {
$this->theme = get_theme_object($this);
}
if ($event instanceof DataUploadEvent && $this->supported_ext($event->type) && $this->check_contents($event->tmpname)) {
if (!move_upload_to_archive($event)) {
return;
}
send_event(new ThumbnailGenerationEvent($event->hash, $event->type));
/* Check if we are replacing an image */
if (array_key_exists('replace', $event->metadata) && isset($event->metadata['replace'])) {
/* hax: This seems like such a dirty way to do this.. */
/* Validate things */
$image_id = int_escape($event->metadata['replace']);
/* Check to make sure the image exists. */
$existing = Image::by_id($image_id);
if (is_null($existing)) {
throw new UploadException("Image to replace does not exist!");
}
if ($existing->hash === $event->metadata['hash']) {
throw new UploadException("The uploaded image is the same as the one to replace.");
}
// even more hax..
$event->metadata['tags'] = $existing->get_tag_list();
$image = $this->create_image_from_data(warehouse_path("images", $event->metadata['hash']), $event->metadata);
if (is_null($image)) {
throw new UploadException("Data handler failed to create image object from data");
}
$ire = new ImageReplaceEvent($image_id, $image);
send_event($ire);
$event->image_id = $image_id;
} else {
$image = $this->create_image_from_data(warehouse_path("images", $event->hash), $event->metadata);
if (is_null($image)) {
throw new UploadException("Data handler failed to create image object from data");
}
$iae = new ImageAdditionEvent($event->user, $image);
send_event($iae);
$event->image_id = $iae->image->id;
// Rating Stuff.
if (!empty($event->metadata['rating'])) {
global $user;
$rating = $event->metadata['rating'];
send_event(new RatingSetEvent($image, $user, $rating));
}
// Locked Stuff.
if (!empty($event->metadata['locked'])) {
$locked = $event->metadata['locked'];
send_event(new LockSetEvent($image, !empty($locked)));
}
}
}
if ($event instanceof ThumbnailGenerationEvent && $this->supported_ext($event->type)) {
$this->create_thumb($event->hash);
}
if ($event instanceof DisplayingImageEvent && $this->supported_ext($event->image->ext)) {
global $page;
$this->theme->display_image($page, $event->image);
}
if ($event instanceof SetupBuildingEvent) {
$sb = $this->setup();
if ($sb) {
$event->panel->add_block($sb);
}
}
}
/**
* Wrapper for getting a single post
* @param int $id
*/
protected function postShow($id = null)
{
if (!is_null($id)) {
$post = new _SafeOuroborosImage(Image::by_id($id));
$this->sendData('post', $post);
} else {
$this->sendResponse(424, 'ID is mandatory');
}
}
public function onTagTermParse(TagTermParseEvent $event)
{
$matches = array();
if (preg_match("/^source[=|:](.*)\$/i", $event->term, $matches)) {
$source = $matches[1] !== "none" ? $matches[1] : null;
send_event(new SourceSetEvent(Image::by_id($event->id), $source));
}
if (!empty($matches)) {
$event->metatag = true;
}
}
/**
* @return array
*/
public function get_reported_images()
{
global $database;
$all_reports = $database->get_all("\n\t\t\tSELECT image_reports.*, users.name AS reporter_name\n\t\t\tFROM image_reports\n\t\t\tJOIN users ON reporter_id = users.id");
if (is_null($all_reports)) {
$all_reports = array();
}
$reports = array();
foreach ($all_reports as $report) {
$image_id = int_escape($report['image_id']);
$image = Image::by_id($image_id);
if (is_null($image)) {
send_event(new RemoveReportedImageEvent($report['id']));
continue;
}
$report['image'] = $image;
$reports[] = $report;
}
return $reports;
}
private function process_revert_request($revert_id)
{
global $page;
// check for the nothing case
if ($revert_id == "nothing") {
// tried to set it too the same thing so ignore it (might be a bot)
// go back to the index page with you
$page->set_mode("redirect");
$page->set_redirect(make_link());
return;
}
$revert_id = int_escape($revert_id);
// lets get this revert id assuming it exists
$result = $this->get_tag_history_from_revert($revert_id);
if ($result == null) {
// there is no history entry with that id so either the image was deleted
// while the user was viewing the history, someone is playing with form
// variables or we have messed up in code somewhere.
die("Error: No tag history with specified id was found.");
}
// lets get the values out of the result
$stored_result_id = $result->fields['id'];
$stored_image_id = $result->fields['image_id'];
$stored_tags = $result->fields['tags'];
log_debug("tag_history", "Reverting tags of {$stored_image_id} to [{$stored_tags}]");
// all should be ok so we can revert by firing the SetUserTags event.
send_event(new TagSetEvent(Image::by_id($stored_image_id), $stored_tags));
// all should be done now so redirect the user back to the image
$page->set_mode("redirect");
$page->set_redirect(make_link("post/view/{$stored_image_id}"));
}
