Initial commit

git-svn-id: file:///home/shish/svn/shimmie2/trunk@553 7f39781d-f577-437e-ae19-be835c7a54ca
2007-10-22 00:13:57 +00:00
parent cd176f9b19
commit 2ec655e162
2 changed files with 239 additions and 0 deletions
--- a/contrib/image_hash_ban/main.php
+++ b/contrib/image_hash_ban/main.php
@@ -0,0 +1,157 @@
+<?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
+?>