186 lines
6 KiB
PHP
Executable file
186 lines
6 KiB
PHP
Executable file
<?php
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/*
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* Name: Private Messaging
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* Author: Shish <webmaster@shishnet.org>
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* License: GPLv2
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* Description: Allow users to send messages to eachother
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* Documentation:
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* PMs show up on a user's profile page, readable by that user
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* as well as board admins. To send a PM, visit another user's
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* profile page and a box will be shown.
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*/
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class SendPMEvent extends Event {
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public function __construct(PM $pm) {
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$this->pm = $pm;
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}
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}
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class PM {
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public function __construct($from_id=0, $from_ip="0.0.0.0", $to_id=0, $subject="A Message", $message="Some Text", $read=False) {
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# PHP: the P stands for "really", the H stands for "awful" and the other P stands for "language"
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if(is_array($from_id)) {
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$a = $from_id;
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$this->id = $a["id"];
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$this->from_id = $a["from_id"];
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$this->from_ip = $a["from_ip"];
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$this->to_id = $a["to_id"];
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$this->sent_date = $a["sent_date"];
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$this->subject = $a["subject"];
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$this->message = $a["message"];
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$this->is_read = undb_bool($a["is_read"]);
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}
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else {
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$this->id = -1;
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$this->from_id = $from_id;
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$this->from_ip = $from_ip;
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$this->to_id = $to_id;
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$this->subject = $subject;
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$this->message = $message;
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$this->is_read = $read;
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}
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}
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}
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class PrivMsg extends SimpleExtension {
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public function onInitExt(InitExtEvent $event) {
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global $config, $database;
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// shortcut to latest
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if($config->get_int("pm_version") < 1) {
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$database->create_table("private_message", "
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id SCORE_AIPK,
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from_id INTEGER NOT NULL,
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from_ip SCORE_INET NOT NULL,
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to_id INTEGER NOT NULL,
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sent_date DATETIME NOT NULL,
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subject VARCHAR(64) NOT NULL,
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message TEXT NOT NULL,
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is_read SCORE_BOOL NOT NULL DEFAULT SCORE_BOOL_N,
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INDEX (to_id),
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FOREIGN KEY (from_id) REFERENCES users(id) ON DELETE CASCADE,
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FOREIGN KEY (to_id) REFERENCES users(id) ON DELETE CASCADE
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");
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$config->set_int("pm_version", 1);
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log_info("pm", "extension installed");
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}
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if($config->get_int("pm_version") < 2) {
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log_info("pm", "Adding foreign keys to private messages");
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$database->Execute("delete from private_message where to_id not in (select id from users);");
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$database->Execute("delete from private_message where from_id not in (select id from users);");
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$database->Execute("ALTER TABLE private_message
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ADD CONSTRAINT foreign_private_message_from_id FOREIGN KEY (from_id) REFERENCES users(id) ON DELETE CASCADE,
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ADD CONSTRAINT foreign_private_message_to_id FOREIGN KEY (to_id) REFERENCES users(id) ON DELETE CASCADE;");
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$config->set_int("pm_version", 2);
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log_info("pm", "extension installed");
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}
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}
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/*
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public function onUserBlockBuilding(UserBlockBuilding $event) {
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global $user;
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if(!$user->is_anonymous()) {
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$event->add_link("Private Messages", make_link("pm"));
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}
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}
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*/
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public function onUserPageBuilding(UserPageBuilding $event) {
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global $page, $user;
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$duser = $event->display_user;
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if(!$user->is_anonymous() && !$duser->is_anonymous()) {
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if(($user->id == $duser->id) || $user->is_admin()) {
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$this->theme->display_pms($page, $this->get_pms($duser));
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}
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if($user->id != $duser->id) {
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$this->theme->display_composer($page, $user, $duser);
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}
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}
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}
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public function onPageRequest(PageRequestEvent $event) {
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global $database, $page, $user;
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if($event->page_matches("pm")) {
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if(!$user->is_anonymous()) {
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switch($event->get_arg(0)) {
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case "read":
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$pm_id = int_escape($event->get_arg(1));
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$pm = $database->get_row("SELECT * FROM private_message WHERE id = :id", array("id" => $pm_id));
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if(is_null($pm)) {
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$this->theme->display_error($page, "No such PM", "There is no PM #$pm_id");
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}
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else if(($pm["to_id"] == $user->id) || $user->is_admin()) {
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$from_user = User::by_id(int_escape($pm["from_id"]));
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$database->get_row("UPDATE private_message SET is_read='Y' WHERE id = :id", array("id" => $pm_id));
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$this->theme->display_message($page, $from_user, $user, new PM($pm));
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}
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else {
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// permission denied
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}
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break;
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case "delete":
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if($user->check_auth_token()) {
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$pm_id = int_escape($_POST["pm_id"]);
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$pm = $database->get_row("SELECT * FROM private_message WHERE id = :id", array("id" => $pm_id));
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if(is_null($pm)) {
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$this->theme->display_error($page, "No such PM", "There is no PM #$pm_id");
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}
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else if(($pm["to_id"] == $user->id) || $user->is_admin()) {
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$database->execute("DELETE FROM private_message WHERE id = :id", array("id" => $pm_id));
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log_info("pm", "Deleted PM #$pm_id");
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$page->set_mode("redirect");
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$page->set_redirect($_SERVER["HTTP_REFERER"]);
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}
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}
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break;
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case "send":
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if($user->check_auth_token()) {
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$to_id = int_escape($_POST["to_id"]);
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$from_id = $user->id;
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$subject = $_POST["subject"];
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$message = $_POST["message"];
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send_event(new SendPMEvent(new PM($from_id, $_SERVER["REMOTE_ADDR"], $to_id, $subject, $message)));
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$page->set_mode("redirect");
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$page->set_redirect($_SERVER["HTTP_REFERER"]);
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}
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break;
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default:
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$this->theme->display_error($page, "Invalid action", "That's not something you can do with a PM");
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break;
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}
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}
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}
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}
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public function onSendPM(SendPMEvent $event) {
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global $database;
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$database->execute("
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INSERT INTO private_message(
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from_id, from_ip, to_id,
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sent_date, subject, message)
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VALUES(:fromid, :fromip, :toid, now(), :subject, :message)",
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array("fromid" => $event->pm->from_id, "fromip" => $event->pm->from_ip,
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"toid" => $event->pm->to_id, "subject" => $event->pm->subject, "message" => $event->pm->message)
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);
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log_info("pm", "Sent PM to User #{$event->pm->to_id}");
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}
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private function get_pms(User $user) {
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global $database;
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$arr = $database->get_all("
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SELECT private_message.*,user_from.name AS from_name
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FROM private_message
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JOIN users AS user_from ON user_from.id=from_id
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WHERE to_id = :toid",
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array("toid" => $user->id));
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$pms = array();
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foreach($arr as $pm) {
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$pms[] = new PM($pm);
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}
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return $pms;
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}
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}
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?>
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