image hash ban works too

git-svn-id: file:///home/shish/svn/shimmie2/branches/branch_2.1@652 7f39781d-f577-437e-ae19-be835c7a54ca
This commit is contained in:
shish 2007-12-09 04:38:19 +00:00
parent 42f0e0bf82
commit d36fd2a803
2 changed files with 239 additions and 0 deletions

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<?php
/**
* Name: Image Hash Ban
* Author: ATravelingGeek <atg@atravelinggeek.com>
* Link: http://atravelinggeek.com/
* License: GPLv2
* Description: Ban images based on their hash
* Based on the ResolutionLimit and IPban extensions by Shish
* Version 0.1
* October 21, 2007
*/
// RemoveImageHashBanEvent {{{
class RemoveImageHashBanEvent extends Event {
var $hash;
public function RemoveImageHashBanEvent($hash) {
$this->hash = $hash;
}
}
// }}}
// AddImageHashBanEvent {{{
class AddImageHashBanEvent extends Event {
var $hash;
var $reason;
public function AddImageHashBanEvent($hash, $reason) {
$this->hash = $hash;
$this->reason = $reason;
}
}
class Image_Hash_Ban extends Extension {
public function receive_event($event) {
if(is_null($this->theme)) $this->theme = get_theme_object("Image_Hash_Ban", "ImageBanTheme");
if(is_a($event, 'InitExtEvent')) {
global $config;
if($config->get_int("ext_imageban_version") < 1) {
$this->install();
}
}
if(is_a($event, 'UploadingImageEvent')) {
global $database;
$image = $event->image;
$tmp_hash = $image->hash;
if ($database->db->GetOne("SELECT COUNT(*) FROM image_bans WHERE hash = ?", $tmp_hash) == 1) {
$event->veto("This image has been banned!");
}
}
if(is_a($event, 'PageRequestEvent') && ($event->page_name == "image_hash_ban")) {
global $user;
if($user->is_admin()) {
if($event->get_arg(0) == "add") {
if(isset($_POST['hash']) && isset($_POST['reason'])) {
send_event(new AddImageHashBanEvent($_POST['hash'], $_POST['reason']));
global $page;
$page->set_mode("redirect");
$page->set_redirect(make_link("admin"));
}
}
else if($event->get_arg(0) == "remove") {
if(isset($_POST['hash'])) {
send_event(new RemoveImageHashBanEvent($_POST['hash']));
global $page;
$page->set_mode("redirect");
$page->set_redirect(make_link("admin"));
}
}
}
}
if(is_a($event, 'AdminBuildingEvent')) {
global $page;
$this->theme->display_Image_hash_Bans($page, $this->get_image_hash_bans());
}
if(is_a($event, 'AddImageHashBanEvent')) {
$this->add_image_hash_ban($event->hash, $event->reason);
}
if(is_a($event, 'RemoveImageHashBanEvent')) {
$this->remove_image_hash_ban($event->hash);
}
if(is_a($event, 'DisplayingImageEvent')) {
global $user;
if($user->is_admin()) {
$this->theme->display_image_banner($event->page, $event->image->hash);
}
}
}
protected function install() {
global $database;
global $config;
$database->Execute("CREATE TABLE image_bans (
id int(11) NOT NULL auto_increment,
hash char(32) default NULL,
date datetime default NULL,
reason varchar(255) default NULL,
PRIMARY KEY (id)
)");
$config->set_int("ext_imageban_version", 1);
}
// DB funness
public function get_image_hash_bans() {
// FIXME: many
global $database;
$bans = $database->db->GetAll("SELECT * FROM image_bans");
if($bans) {return $bans;}
else {return array();}
}
public function get_image_hash_ban($hash) {
global $database;
// yes, this is "? LIKE var", because ? is the thing with matching tokens
// actually, slow
// return $database->db->GetRow("SELECT * FROM bans WHERE ? LIKE ip AND date < now() AND (end > now() OR isnull(end))", array($ip));
return $database->db->GetRow("SELECT * FROM image_bans WHERE hash = ? AND date < now()", array($hash));
}
public function add_image_hash_ban($hash, $reason) {
global $database;
$database->Execute(
"INSERT INTO image_bans (hash, reason, date) VALUES (?, ?, now())",
array($hash, $reason));
}
public function remove_image_hash_ban($hash) {
global $database;
$database->Execute("DELETE FROM image_bans WHERE hash = ?", array($hash));
}
}
add_event_listener(new Image_Hash_Ban(), 30); // in before resolution limit plugin
?>

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<?php
/**
* Name: Image Hash Ban
* Author: ATravelingGeek (atg@atravelinggeek.com
* Link: http://atravelinggeek.com/
* License: GPLv2
* Description: Ban images based on their hash
* Based on the ResolutionLimit and IPban extensions by Shish
* Version 0.1
* October 21, 2007
*/
class ImageBanTheme extends Themelet {
/*
* Show all the bans
*
* $bans = an array of (
* 'hash' => the banned hash
* 'reason' => why the hash was banned
* 'date' => when the ban started
* )
*/
public function display_image_hash_bans($page, $bans) {
$h_bans = "";
foreach($bans as $ban) {
$h_bans .= "
<tr>
<td>{$ban['hash']}</td>
<td>{$ban['reason']}</td>
<td>
<form action='".make_link("image_hash_ban/remove")."' method='POST'>
<input type='hidden' name='hash' value='{$ban['hash']}'>
<input type='submit' value='Remove'>
</form>
</td>
</tr>
";
}
$html = "
<table border='1'>
<thead><td>Hash</td><td>Reason</td><td>Action</td></thead>
$h_bans
<tr>
<form action='".make_link("image_hash_ban/add")."' method='POST'>
<td><input type='text' name='hash'></td>
<td><input type='text' name='reason'></td>
<td><input type='submit' value='Ban'></td>
</form>
</tr>
</table>
";
$page->add_block(new Block("Edit Image Bans", $html));
}
public function display_page($page) {
$page->set_title("Image Ban");
$page->set_heading("Image Ban");
$page->add_block(new NavBlock());
}
/*
* Display a link to delete an image
*
* $image_id = the image to delete
*/
public function display_image_banner($page, $image_hash) {
/* I'll fix this soon
$i_image_hash = int_escape($image_hash);
$html = "
<form action='".make_link("admin/image_hash_ban")."' method='POST'>
<input type='hidden' name='image_hash' value='$i_image_hash'>
<input type='field' name='reason'>
<input type='submit' value='Ban and Delete'>
</form>
";
$page->add_block(new Block("Image Ban", $html, "left"));
*/
}
}
?>