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https://github.com/sigmasternchen/webchat
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6 changed files with 613 additions and 0 deletions
161
ajax.php
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161
ajax.php
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<?php
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include_once("connect.php");
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@session_start();
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$json = array();
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session_write_close();
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if (isset($_GET['addUser'])) {
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if (!$_SESSION['loggedIn'])
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die("not logged in");
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$sql = "SELECT
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`c`.`ID` AS `id`,
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`c`.`name` AS `name`,
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`c`.`initTime` AS `initTime`,
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`p`.`joinTime` AS `joinTime`,
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`iu`.`ID` AS `iuID`,
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`iu`.`username` AS `initUser`
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FROM `participants` AS `p`
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INNER JOIN `conversations` AS `c` ON `p`.`conversationFK`=`c`.`ID`
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INNER JOIN `users` AS `iu` ON `c`.`initUserFK`=`iu`.`ID`
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WHERE `c`.`ID`=" . intval($_POST['chat']);
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$result = mysql_query($sql);
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$row = mysql_fetch_object($result);
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if ($row->iuID != $_SESSION['userID']) {
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$json['error'] = "nicht erlaubt";
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} else {
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$sql = "SELECT
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`p`.`ID` AS `id`
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FROM `participants` AS `p`
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INNER JOIN `conversations` AS `c` ON `p`.`conversationFK`=`c`.`ID`
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INNER JOIN `users` AS `u` ON `p`.`userFK`=`u`.`ID`
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WHERE `c`.`ID`=" . intval($_POST['chat']) . "
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AND `u`.`username`='" . mysql_real_escape_string(htmlspecialchars($_POST['username'])) . "'";
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$result = mysql_query($sql);
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echo mysql_error();
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if (!mysql_num_rows($result)) {
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$sql = "SELECT * FROM `users` WHERE `username`='" . mysql_real_escape_string(htmlspecialchars($_POST['username'])) . "'";
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$result = mysql_query($sql);
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$row = mysql_fetch_object($result);
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$sql = "INSERT INTO `participants` (`conversationFK`, `userFK`, `joinTime`)
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VALUES (" . intval($_POST['chat']) . ", " . $row->ID . ", " . time() . ")";
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$result = mysql_query($sql);
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}
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$json['succes'] = true;
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}
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} else if (isset($_GET['load'])) {
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if (!$_SESSION['loggedIn'])
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die("not loggedIn");
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$json['pid'] = $_POST['pid'];
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$json['mid'] = $_POST['mid'];
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$sql = "SELECT * FROM `participants` WHERE `conversationFK`=" . intval($_POST['chat']) . " AND `userFK`=" . $_SESSION['userID'];
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$result = mysql_query($sql);
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if (!mysql_num_rows($result)) {
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echo '{"nic": true}';
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exit();
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}
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$i = 0;
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for (; $i < 55; $i++) {
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$sql = "SELECT
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`m`.`ID` AS `id`,
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`u`.`username` AS `username`,
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`u`.`ID` AS `userid`,
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`m`.`sentTime` AS `time`,
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`m`.`text` AS `text`
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FROM `messages` AS `m`
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INNER JOIN `users` AS `u` ON `m`.`userFK`=`u`.`ID`
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WHERE `m`.`conversationFK`=" . intval($_POST['chat']) . "
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AND `m`.`ID`>" . intval($_POST['mid']) . "
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ORDER BY `m`.`sentTime`";
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$resultm = mysql_query($sql);
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$sql = "SELECT
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`p`.`ID` AS `id`,
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`u`.`ID` AS `userid`,
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`u`.`username` AS `username`
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FROM `participants` AS `p`
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INNER JOIN `users` AS `u` ON `p`.`userFK`=`u`.`ID`
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WHERE `p`.`conversationFK`=" . intval($_POST['chat']) . "
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AND `p`.`ID`>" . intval($_POST['pid']);
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$resultp = mysql_query($sql);
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if (mysql_num_rows($resultm) || mysql_num_rows($resultp)) {
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$json['messages'] = array();
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while ($row = mysql_fetch_object($resultm)) {
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$tmp = array();
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$tmp['text'] = $row->text;
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$tmp['username'] = $row->username;
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$tmp['userid'] = $row->userid;
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$json['messages'][] = $tmp;
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$json['lastId'] = $row->id;
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$sql = "INSERT INTO `seenTimes` (`time`, `userFK`, `messageFK`) VALUES (" . time() . ", " . $_SESSION['userID'] . ", " . $row->id . ")";
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$result = mysql_query($sql);
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}
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$json['users'] = array();
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$sql = "SELECT
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`p`.`ID` AS `id`,
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`u`.`ID` AS `userid`,
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`u`.`username` AS `username`
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FROM `participants` AS `p`
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INNER JOIN `users` AS `u` ON `p`.`userFK`=`u`.`ID`
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WHERE `p`.`conversationFK`=" . intval($_POST['chat']);
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$resultp = mysql_query($sql);
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while ($row = mysql_fetch_object($resultp)) {
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$tmp = array();
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$tmp['username'] = $row->username;
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$tmp['userid'] = $row->userid;
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$json['users'][] = $tmp;
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$json['lastPa'] = $row->id;
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}
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break;
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}
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usleep(30 * 1000);
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}
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if ($i >= 55) {
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$json['succes'] = false;
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} else {
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$json['succes'] = true;
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}
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} else if (isset($_GET['send'])) {
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$sql = "INSERT INTO `messages` (`userFK`, `conversationFK`, `sentTime`, `text`)
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VALUES (" . $_SESSION['userID'] . ", " . intval($_POST['chat']) . ", " . time() . ",
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'" . mysql_real_escape_string(htmlspecialchars($_POST['text'])) . "')";
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$result = mysql_query($sql);
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$json['success'] = true;
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} else if (isset($_GET['removeUser'])) {
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if (!isset($_POST['id']) || !isset($_POST['chat']))
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die();
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$id = intval($_POST['id']);
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$chat = intval($_POST['chat']);
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if (!$_SESSION['loggedIn'])
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die("not logged in");
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$sql = "SELECT * FROM `conversations` WHERE `initUserFK`=" . $_SESSION['userID'] . " AND `ID`=" . $chat;
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$result = mysql_query($sql);
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if (!mysql_num_rows($result))
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die("fatal!");
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$sql = "DELETE FROM `participants` WHERE `userFK`=" . $id . " AND `conversationFK`=" . $chat;
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$result = mysql_query($sql);
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echo mysql_error();
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}
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echo json_encode($json);
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?>
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4
connect.php
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4
connect.php
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<?php
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$connection = mysql_connect("localhost", "chat", "passwort");;
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mysql_select_db("chat");
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?>
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40
db.sql
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40
db.sql
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CREATE TABLE `conversations` (
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`ID` int(11) NOT NULL AUTO_INCREMENT,
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`name` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
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`initUserFK` int(11) NOT NULL,
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`initTime` int(11) NOT NULL,
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PRIMARY KEY (`ID`)
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) ENGINE=MyISAM AUTO_INCREMENT=7 DEFAULT CHARSET=utf8;
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CREATE TABLE `messages` (
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`ID` int(11) NOT NULL AUTO_INCREMENT,
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`userFK` int(11) NOT NULL,
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`conversationFK` int(11) NOT NULL,
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`sentTime` int(11) NOT NULL,
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`text` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
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PRIMARY KEY (`ID`)
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) ENGINE=MyISAM AUTO_INCREMENT=15 DEFAULT CHARSET=utf8;
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CREATE TABLE `participants` (
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`ID` int(11) NOT NULL AUTO_INCREMENT,
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`conversationFK` int(11) NOT NULL,
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`userFK` int(11) NOT NULL,
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`joinTime` int(11) NOT NULL,
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PRIMARY KEY (`ID`)
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) ENGINE=MyISAM AUTO_INCREMENT=21 DEFAULT CHARSET=utf8;
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CREATE TABLE `seenTimes` (
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`ID` int(11) NOT NULL AUTO_INCREMENT,
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`time` int(11) NOT NULL,
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`userFK` int(11) NOT NULL,
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`messageFK` int(11) NOT NULL,
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PRIMARY KEY (`ID`)
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) ENGINE=MyISAM AUTO_INCREMENT=63 DEFAULT CHARSET=utf8;
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CREATE TABLE `users` (
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`ID` int(11) NOT NULL AUTO_INCREMENT,
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`username` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
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`password` text CHARACTER SET utf8 COLLATE utf8_bin NOT NULL,
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`regTime` int(11) NOT NULL,
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PRIMARY KEY (`ID`)
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) ENGINE=MyISAM AUTO_INCREMENT=9 DEFAULT CHARSET=utf8;
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402
index.php
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402
index.php
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<?php
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include_once("connect.php");
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ob_start();
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@session_start();
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?>
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<style>
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body {
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}
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</style>
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<?php
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if (!isset($_SESSION['active'])) {
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$_SESSION['active'] = true;
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$_SESSION['loggedIn'] = false;
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$_SESSION['userID'] = 0;
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}
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if (!isset($_GET['site'])) {
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header("LOCATION: ?site=home");
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exit();
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}
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switch($_GET['site']) {
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case "home":
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if ($_SESSION['loggedIn']) {
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?>
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<a href="?site=conversations">Eine Liste der Konversationen</a>
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<?php
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} else {
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?>
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<a href="?site=login">Login</a><br />
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<a href="?site=register">Noch keinen Account?</a>
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<?php
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}
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break;
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case "login":
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if ($_SESSION['loggedIn']) {
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header("LOCATION: ?site=home");
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exit();
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}
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if (isset($_GET['sent'])) {
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if (!isset($_POST['username']) || empty($_POST['username'])) {
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header("LOCATION: ?site=login&error=username");
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exit();
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}
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if (!isset($_POST['password']) || empty($_POST['password'])) {
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header("LOCATION: ?site=login&error=password");
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exit();
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}
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$sql = "SELECT `ID` FROM `users` WHERE `username`='" . mysql_real_escape_string(htmlspecialchars($_POST['username'])) . "' AND `password`='" . hash("sha256", $_POST['password']) . "'";
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$result = mysql_query($sql);
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if (!mysql_num_rows($result)) {
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header("LOCATION: ?site=login&error=wrong");
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exit();
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}
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$_SESSION['loggedIn'] = true;
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$row = mysql_fetch_object($result);
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$_SESSION['userID'] = $row->ID;
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header("LOCATION: ?site=home");
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exit();
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}
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if (isset($_GET['error']))
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echo "<div class='error'>Error Typ: " . htmlspecialchars($_GET['error']) . "</div>";
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?>
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<form action="?site=login&sent" method="POST">
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<input type="text" name="username"><br />
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<input type="password" name="password"><br />
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<input type="submit">
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</form>
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<?php
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break;
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case "register":
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if ($_SESSION['loggedIn']) {
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header("LOCATION: ?site=home");
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exit();
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}
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if (isset($_GET['sent'])) {
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if (!isset($_POST['username']) || empty($_POST['username'])) {
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header("LOCATION: ?site=register&error=username");
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exit();
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}
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if (!isset($_POST['password']) || empty($_POST['password'])) {
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header("LOCATION: ?site=register&error=password");
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exit();
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}
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$sql = "SELECT `ID` FROM `users` WHERE `username`='" . mysql_real_escape_string(htmlspecialchars($_POST['username'])) . "'";
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$result = mysql_query($sql);
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if (mysql_num_rows($result)) {
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header("LOCATION: ?site=register&error=existing");
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exit();
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}
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$sql = "INSERT INTO `users` (`username`, `password`, `regTime`) VALUES ('" . mysql_real_escape_string(htmlspecialchars($_POST['username'])) . "', '" . hash("sha256", $_POST['password']) . "', " . time() . ")";
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$result = mysql_query($sql);
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$_SESSION['loggedIn'] = true;
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$sql = "SELECT `ID` FROM `users` WHERE `username`='" . mysql_real_escape_string(htmlspecialchars($_POST['username'])) . "'";
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$result = mysql_query($sql);
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$row = mysql_fetch_object($result);
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$_SESSION['userID'] = $row->ID;
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//echo mysql_error();
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header("LOCATION: ?site=home");
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exit();
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}
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if (isset($_GET['error']))
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echo "<div class='error'>Error Typ: " . htmlspecialchars($_GET['error']) . "</div>";
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?>
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<form action="?site=register&sent" method="POST">
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<input type="text" name="username"><br />
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<input type="password" name="password"><br />
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<input type="submit"><br />
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</form>
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<?php
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break;
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case "chat":
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if (!$_SESSION['loggedIn']) {
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header("LOCATION: ?site=login");
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exit();
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}
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if (!isset($_GET['id'])) {
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header("LOCATION: ?site=conversations");
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exit();
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}
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$sql = "SELECT
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`c`.`ID` AS `id`,
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`c`.`name` AS `name`,
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`c`.`initTime` AS `initTime`,
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`p`.`joinTime` AS `joinTime`,
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`iu`.`ID` AS `iuID`,
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`iu`.`username` AS `initUser`
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FROM `participants` AS `p`
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INNER JOIN `conversations` AS `c` ON `p`.`conversationFK`=`c`.`ID`
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INNER JOIN `users` AS `iu` ON `c`.`initUserFK`=`iu`.`ID`
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WHERE `p`.`userFK`=" . $_SESSION['userID'] . " AND `c`.`ID`=" . intval($_GET['id']);
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$result = mysql_query($sql);
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if (!mysql_num_rows($result)) {
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echo "Du bist bei dem Chat nicht dabei... : / ";
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exit();
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}
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$row = mysql_fetch_object($result);
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if (intval($_SESSION['userID']) == $row->iuID) {
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?>
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<div style="height: 20px; width: 100%;">
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Uh, du bist der Initiator? Cool... : )
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<input type="text" id="username">
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<button onclick="addUser()">Benutzer hinzufügen</button>
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</div>
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<?php
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}
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?>
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<div style="display: none">
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<style>
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.sender {
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text-decoration: underline;
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font-weight: bold;
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}
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</style>
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<script>
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var ret = function(v) {
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return v;
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}
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//var http;
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var reqGet = function(file, pars, bg, after) {
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var http = new XMLHttpRequest();
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http.open("GET", "ajax/" + file + ".php?" + pars, bg);
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if (bg) {
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http.onreadystatechange = function() {
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if (http.readyState == 4) {
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after(http.responseText);
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}
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};
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}
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http.send(null);
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if (!bg)
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return after(http.responseText);
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}
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var reqPost = function(file, get, pars, bg, after) {
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var http = new XMLHttpRequest();
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http.open("POST", file + ".php?" + get, bg);
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http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
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http.setRequestHeader("Content-length", pars.length);
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http.setRequestHeader("Connection", "close")
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if (bg) {
|
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http.onreadystatechange = function() {
|
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if (http.readyState == 4) {
|
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after(http.responseText);
|
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}
|
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};
|
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}
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http.send(pars);
|
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if (!bg)
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return after(http.responseText);
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}
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var addUser = function() {
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try {
|
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//http.abort();
|
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} catch(e) {
|
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|
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}
|
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var username = document.getElementById("username").value;
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reqPost("ajax", "addUser", "chat=<?php echo $row->id; ?>&username=" + encodeURIComponent(username), true, message);
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document.getElementById("username").value = "";
|
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//startLoader();
|
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}
|
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var lastId = 0;
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var lastPa = 0;
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var startLoader = function() {
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reqPost("ajax", "load", "chat=<?php echo $row->id; ?>&mid=" + lastId + "&pid=" + lastPa, true, load);
|
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}
|
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var load = function(result) {
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console.log(result);
|
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if (!result.length)
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return;
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result = JSON.parse(result);
|
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if (result.nic) {
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window.location = "kicked.html";
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return;
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}
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if (result.lastId)
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lastId = result.lastId;
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if (result.lastPa)
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lastPa = result.lastPa;
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if (result.messages) {
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var chat = document.getElementById("chat");
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var chattext = "";
|
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for (var i = 0; i < result.messages.length; i++) {
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chattext += "<tr>";
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chattext += '<td class="sender">';
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// chattext += '<a href="?site=users&id=' + result.messages[i].userid + '">';
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chattext += result.messages[i].username;
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// chattext += '</a>';
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chattext += "</td>";
|
||||
chattext += "<td>";
|
||||
chattext += result.messages[i].text;
|
||||
chattext += "</td>";
|
||||
chattext += "</tr>";
|
||||
}
|
||||
chat.innerHTML += chattext;
|
||||
}
|
||||
if (result.users) {
|
||||
var users = document.getElementById("users");
|
||||
users.innerHTML = "";
|
||||
var userstext = "";
|
||||
for (var i = 0; i < result.users.length; i++) {
|
||||
userstext += "<tr>";
|
||||
userstext += "<td>";
|
||||
//userstext += '<a href="?site=users&id=' + result.users[i].userid + '">';
|
||||
if (result.users[i].userid != <?php echo $_SESSION['userID'];?>) {
|
||||
<?php
|
||||
if (intval($_SESSION['userID']) == $row->iuID)
|
||||
echo "userstext += '<a href=\"javascript:remove(' + result.users[i].userid + ');\">';\n";
|
||||
echo "userstext += result.users[i].username;\n";
|
||||
if (intval($_SESSION['userID']) == $row->iuID)
|
||||
echo "userstext += '</a>';\n";
|
||||
?>
|
||||
} else {
|
||||
userstext += result.users[i].username;
|
||||
}
|
||||
userstext += "</td>";
|
||||
userstext += "</tr>";
|
||||
}
|
||||
users.innerHTML = userstext;
|
||||
}
|
||||
scrollDown();
|
||||
startLoader();
|
||||
}
|
||||
var remove = function(id) {
|
||||
reqPost("ajax", "removeUser", "chat=<?php echo $row->id; ?>&id=" + id, true, resetLastPa);
|
||||
}
|
||||
var resetLastPa = function(msg) {
|
||||
lastPa = 0;
|
||||
}
|
||||
var send = function() {
|
||||
try {
|
||||
//http.abort();
|
||||
} catch(e) {
|
||||
|
||||
}
|
||||
var text = document.getElementById("chatInput").value;
|
||||
document.getElementById("chatInput").value = "";
|
||||
reqPost("ajax", "send", "text=" + encodeURIComponent(text) + "&chat=<?php echo $row->id; ?>", true, function (v) { console.dir(v); } );
|
||||
//startLoader();
|
||||
}
|
||||
var message = function(result) {
|
||||
console.log(result);
|
||||
result = JSON.parse(result);
|
||||
console.dir(result);
|
||||
}
|
||||
var scrollDown = function() {
|
||||
var obj = document.getElementById("chatcontainer");
|
||||
obj.scrollTop = obj.scrollHeight;
|
||||
}
|
||||
window.onunload = function() {
|
||||
document.getElementById("chat").innerHTML = "";
|
||||
//http.abort();
|
||||
}
|
||||
startLoader();
|
||||
</script>
|
||||
</div>
|
||||
<div style="height: 85%; width: 100%">
|
||||
<div id="chatcontainer" style="float: left; height: 100%; width: 75%; overflow-y: scroll; overflow-x: hidden">
|
||||
<table id="chat">
|
||||
</table>
|
||||
</div>
|
||||
<div style="float: right; height: 100%; width: 25%; overflow-y: scroll; overflow-x: hidden">
|
||||
<table id="users">
|
||||
</table>
|
||||
</div>
|
||||
</div>
|
||||
<div style="margin: 0px; padding: 0px; height: 5%; width: 100%; position: absolute; left: 0px; bottom: 0px;">
|
||||
<form>
|
||||
<input type="text" id="chatInput" style="margin: 0px; padding-left: 10px; width: 89%">
|
||||
<input type="submit" style="width: 10%" onclick="send(); return false;">
|
||||
</form>
|
||||
</div>
|
||||
<?php
|
||||
|
||||
break;
|
||||
case "conversations":
|
||||
if (!$_SESSION['loggedIn']) {
|
||||
header("LOCATION: ?site=home");
|
||||
exit();
|
||||
}
|
||||
|
||||
if (isset($_GET['new'])) {
|
||||
if (!isset($_POST['name']) || empty($_POST['name'])) {
|
||||
header("LOCATION: ?site=conversations&error=name");
|
||||
exit();
|
||||
}
|
||||
|
||||
$sql = "INSERT INTO `conversations` (`name`, `initUserFK`, `initTime`) VALUES ('" . mysql_real_escape_string(htmlspecialchars($_POST['name'])) . "', " . $_SESSION['userID'] . ", " . time() . ")";
|
||||
$result = mysql_query($sql);
|
||||
|
||||
$sql = "SELECT `ID` FROM `conversations` WHERE `name`='" . mysql_real_escape_string(htmlspecialchars($_POST['name'])) . "'";
|
||||
$result = mysql_query($sql);
|
||||
$row = mysql_fetch_object($result);
|
||||
|
||||
$sql = "INSERT INTO `participants` (`conversationFK`, `userFK`, `joinTime`) VALUES (" . $row->ID . ", " . $_SESSION['userID'] . ", " . time() . ")";
|
||||
$result = mysql_query($sql);
|
||||
|
||||
header("LOCATION: ?site=conversations");
|
||||
exit();
|
||||
}
|
||||
|
||||
$sql = "SELECT
|
||||
`c`.`ID` AS `id`,
|
||||
`c`.`name` AS `name`,
|
||||
`c`.`initTime` AS `initTime`,
|
||||
`p`.`joinTime` AS `joinTime`,
|
||||
`iu`.`ID` AS `iuID`,
|
||||
`iu`.`username` AS `initUser`
|
||||
FROM `participants` AS `p`
|
||||
INNER JOIN `conversations` AS `c` ON `p`.`conversationFK`=`c`.`ID`
|
||||
INNER JOIN `users` AS `iu` ON `c`.`initUserFK`=`iu`.`ID`
|
||||
WHERE `p`.`userFK`=" . $_SESSION['userID'];
|
||||
|
||||
$result = mysql_query($sql);
|
||||
|
||||
if (!mysql_num_rows($result)) {
|
||||
echo "Keine Konversationen... : (<br />";
|
||||
}
|
||||
if (isset($_GET['error']))
|
||||
echo "<div class='error'>Error Typ: " . htmlspecialchars($_GET['error']) . "</div>";
|
||||
?>
|
||||
<table>
|
||||
<?php
|
||||
while ($row = mysql_fetch_object($result)) {
|
||||
?>
|
||||
<tr>
|
||||
<td colspan="2"><a href="?site=chat&id=<?php echo $row->id; ?>"><?php echo $row->name; ?></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>von <a href="?site=users&id=<?php echo $row->iuID; ?>"><?php echo $row->initUser; ?></a></td>
|
||||
<td>um <?php echo $row->initTime; ?></td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>dabei seit <?php echo $row->joinTime; ?></td>
|
||||
</tr>
|
||||
<?php
|
||||
}
|
||||
?>
|
||||
</table>
|
||||
<div>
|
||||
Neue Konversation:<br />
|
||||
<form action="?site=conversations&new" method="POST">
|
||||
<input type="text" name="name"><br />
|
||||
<input type="submit">
|
||||
</form>
|
||||
</div>
|
||||
<?php
|
||||
break;
|
||||
}
|
||||
?>
|
||||
2
kicked.html
Normal file
2
kicked.html
Normal file
|
|
@ -0,0 +1,2 @@
|
|||
Du wurdest gekickt!<br />
|
||||
<a href="./">Zurück</a>
|
||||
4
logout.php
Normal file
4
logout.php
Normal file
|
|
@ -0,0 +1,4 @@
|
|||
<?php
|
||||
session_start();
|
||||
$_SESSION = array();
|
||||
?>
|
||||
Loading…
Reference in a new issue