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tit.php
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tit.php
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<?php
/*
* Tiny Issue Tracker (TIT) v2.0
* SQLite based, single file Issue Tracker
*
* Copyright 2010-2013 Jwalanta Shrestha <jwalanta at gmail dot com>
* GNU GPL
*/
///////////////////
// CONFIGURATION //
///////////////////
if (!defined("TIT_INCLUSION"))
{
$TITLE = "My Project"; // Project Title
$EMAIL = "noreply@example.com"; // "From" email address for notifications
// Array of users.
// Mandatory fields: username, password (md5 hash)
// Optional fields: email, admin (true/false)
$USERS = array(
array("username"=>"admin","password"=>md5("admin"),"email"=>"admin@example.com","admin"=>true),
array("username"=>"user" ,"password"=>md5("user") ,"email"=>"user@example.com"),
);
// PDO Connection string ()
// eg, SQlite: sqlite:<filename> (Warning: if you're upgrading from an earlier version of TIT, you have to use "sqlite2"!)
// MySQL: mysql:dbname=<dbname>;host=<hostname>
$DB_CONNECTION = "sqlite:tit.db";
$DB_USERNAME = "";
$DB_PASSWORD = "";
// Select which notifications to send
$NOTIFY["ISSUE_CREATE"] = TRUE; // issue created
$NOTIFY["ISSUE_EDIT"] = TRUE; // issue edited
$NOTIFY["ISSUE_DELETE"] = TRUE; // issue deleted
$NOTIFY["ISSUE_STATUS"] = TRUE; // issue status change (solved / unsolved)
$NOTIFY["ISSUE_PRIORITY"] = TRUE; // issue status change (solved / unsolved)
$NOTIFY["COMMENT_CREATE"] = TRUE; // comment post
// Modify this issue types
$STATUSES = array(0 => "Active", 1 => "Resolved");
}
////////////////////////////////////////////////////////////////////////
////// DO NOT EDIT BEYOND THIS IF YOU DON'T KNOW WHAT YOU'RE DOING /////
////////////////////////////////////////////////////////////////////////
if (get_magic_quotes_gpc()){
foreach($_GET as $k=>$v) $_GET [$k] = stripslashes($v);
foreach($_POST as $k=>$v) $_POST[$k] = stripslashes($v);
}
// Here we go...
session_start();
// check for login post
$message = "";
if (isset($_POST["login"])){
$n = check_credentials($_POST["u"],md5($_POST["p"]));
if ($n>=0){
$_SESSION['tit']=$USERS[$n];
header("Location: ".$_SERVER["REQUEST_URI"]);
}
else $message = "Invalid username or password";
}
// check for logout
if (isset($_GET['logout'])){
$_SESSION['tit']=array(); // username
header("Location: ".$_SERVER["REQUEST_URI"]);
}
$login_html = "<html><head><title>Tiny Issue Tracker</title><style>body,input{font-family:sans-serif;font-size:11px;} label{display:block;}</style></head>
<body><h2>$TITLE - Issue Tracker</h2><p>$message</p><form method='POST' action='".$_SERVER["REQUEST_URI"]."'>
<label>Username</label><input type='text' name='u' />
<label>Password</label><input type='password' name='p' />
<label></label><input type='submit' name='login' value='Login' />
</form></body></html>";
// show login page on bad credential
if (check_credentials($_SESSION['tit']['username'], $_SESSION['tit']['password'])==-1) die($login_html);
// Check if db exists
try{$db = new PDO($DB_CONNECTION, $DB_USERNAME, $DB_PASSWORD);}
catch (PDOException $e) {die("DB Connection failed: ".$e->getMessage());}
// create tables if not exist
@$db->exec("CREATE TABLE issues (id INTEGER PRIMARY KEY, title TEXT, description TEXT, user TEXT, status INTEGER NOT NULL DEFAULT '0', priority INTEGER, notify_emails TEXT, entrytime DATETIME)");
@$db->exec("CREATE TABLE comments (id INTEGER PRIMARY KEY, issue_id INTEGER, user TEXT, description TEXT, entrytime DATETIME)");
if (isset($_GET["id"])){
// show issue #id
$id=pdo_escape_string($_GET['id']);
$issue = $db->query("SELECT id, title, description, user, status, priority, notify_emails, entrytime FROM issues WHERE id='$id'")->fetchAll();
$comments = $db->query("SELECT id, user, description, entrytime FROM comments WHERE issue_id='$id' ORDER BY entrytime ASC")->fetchAll();
}
// if no issue found, go to list mode
if (count($issue)==0){
unset($issue, $comments);
// show all issues
$status = 0;
if (isset($_GET["status"]))
$status = (int)$_GET["status"];
$issues = $db->query(
"SELECT id, title, description, user, status, priority, notify_emails, entrytime, comment_user, comment_time ".
" FROM issues ".
" LEFT JOIN (SELECT max(entrytime) as max_comment_time, issue_id FROM comments GROUP BY issue_id) AS cmax ON cmax.issue_id = issues.id".
" LEFT JOIN (SELECT user AS comment_user, entrytime AS comment_time, issue_id FROM comments ORDER BY issue_id DESC, entrytime DESC) AS c ON c.issue_id = issues.id AND cmax.max_comment_time = c.comment_time".
" WHERE status=".pdo_escape_string($status ? $status : "0 or status is null"). // <- this is for legacy purposes only
" ORDER BY priority, entrytime DESC")->fetchAll();
$mode="list";
}
else {
$issue = $issue[0];
$mode="issue";
}
//
// PROCESS ACTIONS
//
// Create / Edit issue
if (isset($_POST["createissue"])){
$id=pdo_escape_string($_POST['id']);
$title=pdo_escape_string($_POST['title']);
$description=pdo_escape_string($_POST['description']);
$priority=pdo_escape_string($_POST['priority']);
$user=pdo_escape_string($_SESSION['tit']['username']);
$now=date("Y-m-d H:i:s");
// gather all emails
$emails=array();
for ($i=0;$i<count($USERS);$i++){
if ($USERS[$i]["email"]!='') $emails[] = $USERS[$i]["email"];
}
$notify_emails = implode(",",$emails);
if ($id=='')
$query = "INSERT INTO issues (title, description, user, priority, notify_emails, entrytime) values('$title','$description','$user','$priority','$notify_emails','$now')"; // create
else
$query = "UPDATE issues SET title='$title', description='$description' WHERE id='$id'"; // edit
if (trim($title)!='') { // title cant be blank
@$db->exec($query);
if ($id==''){
// created
$id=$db->lastInsertId();
if ($NOTIFY["ISSUE_CREATE"])
notify( $id,
"[$TITLE] New Issue Created",
"New Issue Created by {$user}\r\nTitle: $title\r\nURL: http://{$_SERVER['HTTP_HOST']}{$_SERVER['PHP_SELF']}?id=$id");
}
else{
// edited
if ($NOTIFY["ISSUE_EDIT"])
notify( $id,
"[$TITLE] Issue Edited",
"Issue edited by {$user}\r\nTitle: $title\r\nURL: http://{$_SERVER['HTTP_HOST']}{$_SERVER['PHP_SELF']}?id=$id");
}
}
header("Location: {$_SERVER['PHP_SELF']}");
}
// Delete issue
if (isset($_GET["deleteissue"])){
$id=pdo_escape_string($_GET['id']);
$title=get_col($id,"issues","title");
// only the issue creator or admin can delete issue
if ($_SESSION['tit']['admin'] || $_SESSION['tit']['username']==get_col($id,"issues","user")){
@$db->exec("DELETE FROM issues WHERE id='$id'");
@$db->exec("DELETE FROM comments WHERE issue_id='$id'");
if ($NOTIFY["ISSUE_DELETE"])
notify( $id,
"[$TITLE] Issue Deleted",
"Issue deleted by {$_SESSION['tit']['username']}\r\nTitle: $title");
}
header("Location: {$_SERVER['PHP_SELF']}");
}
// Change Priority
if (isset($_GET["changepriority"])){
$id=pdo_escape_string($_GET['id']);
$priority=pdo_escape_string($_GET['priority']);
if ($priority>=1 && $priority<=3) @$db->exec("UPDATE issues SET priority='$priority' WHERE id='$id'");
if ($NOTIFY["ISSUE_PRIORITY"])
notify( $id,
"[$TITLE] Issue Priority Changed",
"Issue Priority changed by {$_SESSION['tit']['username']}\r\nTitle: ".get_col($id,"issues","title")."\r\nURL: http://{$_SERVER['HTTP_HOST']}{$_SERVER['PHP_SELF']}?id=$id");
header("Location: {$_SERVER['PHP_SELF']}?id=$id");
}
// change status
if (isset($_GET["changestatus"])){
$id=pdo_escape_string($_GET['id']);
$status=pdo_escape_string($_GET['status']);
@$db->exec("UPDATE issues SET status='$status' WHERE id='$id'");
if ($NOTIFY["ISSUE_STATUS"])
notify( $id,
"[$TITLE] Issue Marked as ".$STATUSES[$status],
"Issue marked as {$STATUSES[$status]} by {$_SESSION['u']}\r\nTitle: ".get_col($id,"issues","title")."\r\nURL: http://{$_SERVER['HTTP_HOST']}{$_SERVER['PHP_SELF']}?id=$id");
header("Location: {$_SERVER['PHP_SELF']}?id=$id");
}
// Unwatch
if (isset($_POST["unwatch"])){
$id=pdo_escape_string($_POST['id']);
setWatch($id,false); // remove from watch list
header("Location: {$_SERVER['PHP_SELF']}?id=$id");
}
// Watch
if (isset($_POST["watch"])){
$id=pdo_escape_string($_POST['id']);
setWatch($id,true); // add to watch list
header("Location: {$_SERVER['PHP_SELF']}?id=$id");
}
// Create Comment
if (isset($_POST["createcomment"])){
$issue_id=pdo_escape_string($_POST['issue_id']);
$description=pdo_escape_string($_POST['description']);
$user=$_SESSION['tit']['username'];
$now=date("Y-m-d H:i:s");
if (trim($description)!=''){
$query = "INSERT INTO comments (issue_id, description, user, entrytime) values('$issue_id','$description','$user','$now')"; // create
$db->exec($query);
}
if ($NOTIFY["COMMENT_CREATE"])
notify( $id,
"[$TITLE] New Comment Posted",
"New comment posted by {$user}\r\nTitle: ".get_col($id,"issues","title")."\r\nURL: http://{$_SERVER['HTTP_HOST']}{$_SERVER['PHP_SELF']}?id=$issue_id");
header("Location: {$_SERVER['PHP_SELF']}?id=$issue_id");
}
// Delete Comment
if (isset($_GET["deletecomment"])){
$id=pdo_escape_string($_GET['id']);
$cid=pdo_escape_string($_GET['cid']);
// only comment poster or admin can delete comment
if ($_SESSION['tit']['admin'] || $_SESSION['tit']['username']==get_col($cid,"comments","user"))
$db->exec("DELETE FROM comments WHERE id='$cid'");
header("Location: {$_SERVER['PHP_SELF']}?id=$id");
}
//
// FUNCTIONS
//
// PDO quote, but without enclosing single-quote
function pdo_escape_string($str){
global $db;
$quoted = $db->quote($str);
return ($db->quote("")=="''")?substr($quoted, 1, strlen($quoted)-2):$quoted;
}
// check credentials, returns -1 if not okay
function check_credentials($u, $p){
global $USERS;
$n=0;
foreach ($USERS as $user){
if (strcasecmp($user['username'],$u)===0 && $user['password']==$p) return $n;
$n++;
}
return -1;
}
// get column from some table with $id
function get_col($id, $table, $col){
global $db;
$result = $db->query("SELECT $col FROM $table WHERE id='$id'")->fetchAll();
return $result[0][$col];
}
// notify via email
function notify($id, $subject, $body){
global $db;
$result = $db->query("SELECT notify_emails FROM issues WHERE id='$id'")->fetchAll();
$to = $result[0]['notify_emails'];
if ($to!=''){
global $EMAIL;
$headers = "From: $EMAIL" . "\r\n" . 'X-Mailer: PHP/' . phpversion();
mail($to, $subject, $body, $headers); // standard php mail, hope it passes spam filter :)
}
}
// start/stop watching an issue
function watchFilterCallback($email) { return $email != $_SESSION['tit']['email']; }
function setWatch($id,$addToWatch){
global $db;
if ($_SESSION['tit']['email']=='') return;
$result = $db->query("SELECT notify_emails FROM issues WHERE id='$id'")->fetchAll();
$notify_emails = $result[0]['notify_emails'];
$emails = $notify_emails ? explode(",",$notify_emails) : array();
if ($addToWatch) $emails[] = $_SESSION['tit']['email'];
else $emails = array_filter( $emails, "watchFilterCallback" );
$emails = array_unique($emails);
$notify_emails = implode(",",$emails);
$db->exec("UPDATE issues SET notify_emails='$notify_emails' WHERE id='$id'");
}
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head>
<title><?php echo $TITLE, isset($_GET["id"]) ? (" - #".$_GET["id"]) : "" , " - Issue Tracker"; ?></title>
<meta http-equiv="content-type" content="text/html;charset=utf-8" />
<style>
html { overflow-y: scroll;}
body { font-family: sans-serif; font-size: 11px; background-color: #aaa;}
a, a:visited{color:#004989; text-decoration:none;}
a:hover{color: #666; text-decoration: underline;}
label{ display: block; font-weight: bold;}
table{border-collapse: collapse;}
th{text-align: left; background-color: #f2f2f2;}
tr:hover{background-color: #f0f0f0;}
#menu{float: right;}
#container{width: 760px; margin: 0 auto; padding: 20px; background-color: #fff;}
#footer{padding:10px 0 0 0; margin-top: 20px; text-align: center; border-top: 1px solid #ccc;}
#create{padding: 15px; background-color: #f2f2f2;}
.issue{padding:10px 20px; margin: 10px 0; background-color: #f2f2f2;}
.comment{padding:5px 10px 10px 10px; margin: 10px 0; border: 1px solid #ccc;}
.comment:target{outline: 2px solid #444;}
.comment-meta{color: #666;}
.p1, .p1 a{color: red;}
.p3, .p3 a{color: #666;}
.hide{display:none;}
.left{float: left;}
.right{float: right;}
.clear{clear:both;}
</style>
</head>
<body>
<div id='container'>
<div id="menu">
<?php
foreach($STATUSES as $code=>$name) {
$style=(isset($_GET[status]) && $_GET[status]==$code) || (isset($issue) && $issue['status']==$code)?"style='font-weight:bold;'":"";
echo "<a href='{$_SERVER['PHP_SELF']}?status={$code}' alt='{$name} Issues' $style>{$name} Issues</a> | ";
}
?>
<a href="<?php echo $_SERVER['PHP_SELF']; ?>?logout" alt="Logout">Logout [<?php echo $_SESSION['tit']['username']; ?>]</a>
</div>
<h1><?php echo $TITLE; ?></h1>
<h2><a href="#" onclick="document.getElementById('create').className='';document.getElementById('title').focus();"><?php echo ($issue['id']==''?"Create":"Edit"); ?> Issue <?php echo $issue['id'] ?></a></h2>
<div id="create" class='<?php echo isset($_GET['editissue'])?'':'hide'; ?>'>
<a href="#" onclick="document.getElementById('create').className='hide';" style="float: right;">[Close]</a>
<form method="POST">
<input type="hidden" name="id" value="<?php echo $issue['id']; ?>" />
<label>Title</label><input type="text" size="50" name="title" id="title" value="<?php echo htmlentities($issue['title']); ?>" />
<label>Description</label><textarea name="description" rows="5" cols="50"><?php echo htmlentities($issue['description']); ?></textarea>
<label></label><input type="submit" name="createissue" value="<?php echo ($issue['id']==''?"Create":"Edit"); ?>" />
<? if (!$issue['id']) { ?>
Priority
<select name="priority">
<option value="1">High</option>
<option selected value="2">Medium</option>
<option value="3">Low</option>
</select>
<? } ?>
</form>
</div>
<?php if ($mode=="list"): ?>
<div id="list">
<h2><?php if (isset($STATUSES[$_GET['status']])) echo $STATUSES[$_GET['status']]." "; ?>Issues</h2>
<table border=1 cellpadding=5 width="100%">
<tr>
<th>ID</th>
<th>Title</th>
<th>Created by</th>
<th>Date</th>
<th><acronym title="Watching issue?">W</acronym></th>
<th>Last Comment</th>
<th>Actions</th>
</tr>
<?php
$count=1;
foreach ($issues as $issue){
$count++;
echo "<tr class='p{$issue['priority']}'>\n";
echo "<td>{$issue['id']}</a></td>\n";
echo "<td><a href='?id={$issue['id']}'>".htmlentities($issue['title'],ENT_COMPAT,"UTF-8")."</a></td>\n";
echo "<td>{$issue['user']}</td>\n";
echo "<td>{$issue['entrytime']}</td>\n";
echo "<td>".($_SESSION['tit']['email']&&strpos($issue['notify_emails'],$_SESSION['tit']['email'])!==FALSE?"✓":"")."</td>\n";
echo "<td>".($issue['comment_user'] ? date("M j",strtotime($issue['comment_time'])) . " (" . $issue['comment_user'] . ")" : "")."</td>\n";
echo "<td><a href='?editissue&id={$issue['id']}'>Edit</a>";
if ($_SESSION['tit']['admin'] || $_SESSION['tit']['username']==$issue['user']) echo " | <a href='?deleteissue&id={$issue['id']}' onclick='return confirm(\"Are you sure? All comments will be deleted too.\");'>Delete</a>";
echo "</td>\n";
echo "</tr>\n";
}
?>
</table>
</div>
<?php endif; ?>
<?php if ($mode=="issue"): ?>
<div id="show">
<div class="issue">
<h2><?php echo htmlentities($issue['title'],ENT_COMPAT,"UTF-8"); ?></h2>
<p><?php echo nl2br( preg_replace("/([a-z]+:\/\/\S+)/","<a href='$1'>$1</a>", htmlentities($issue['description'],ENT_COMPAT,"UTF-8") ) ); ?></p>
</div>
<div class='left'>
Priority <select name="priority" onchange="location='<?php echo $_SERVER['PHP_SELF']; ?>?changepriority&id=<?php echo $issue['id']; ?>&priority='+this.value">
<option value="1"<?php echo ($issue['priority']==1?"selected":""); ?>>High</option>
<option value="2"<?php echo ($issue['priority']==2?"selected":""); ?>>Medium</option>
<option value="3"<?php echo ($issue['priority']==3?"selected":""); ?>>Low</option>
</select>
Status <select name="priority" onchange="location='<?php echo $_SERVER['PHP_SELF']; ?>?changestatus&id=<?php echo $issue['id']; ?>&status='+this.value">
<?php foreach($STATUSES as $code=>$name): ?>
<option value="<?php echo $code; ?>"<?php echo ($issue['status']==$code?"selected":""); ?>><?php echo $name; ?></option>
<?php endforeach; ?>
</select>
</div>
<div class='left'>
<form method="POST">
<input type="hidden" name="id" value="<?php echo $issue['id']; ?>" />
<?php
if ($_SESSION['tit']['email']&&strpos($issue['notify_emails'],$_SESSION['tit']['email'])===FALSE)
echo "<input type='submit' name='watch' value='Watch' />\n";
else
echo "<input type='submit' name='unwatch' value='Unwatch' />\n";
?>
</form>
</div>
<div class='clear'></div>
<div id="comments">
<?php
if (count($comments)>0) echo "<h3>Comments</h3>\n";
foreach ($comments as $comment){
echo "<div class='comment' id='c".$comment['id']."'><p>".nl2br( preg_replace("/([a-z]+:\/\/\S+)/","<a href='$1'>$1</a>",htmlentities($comment['description'],ENT_COMPAT,"UTF-8") ) )."</p>";
echo "<div class='comment-meta'><em>{$comment['user']}</em> on <em><a href='#c".$comment['id']."'>{$comment['entrytime']}</a></em> ";
if ($_SESSION['tit']['admin'] || $_SESSION['tit']['username']==$comment['user']) echo "<span class='right'><a href='{$_SERVER['PHP_SELF']}?deletecomment&id={$issue['id']}&cid={$comment['id']}' onclick='return confirm(\"Are you sure?\");'>Delete</a></span>";
echo "</div></div>\n";
}
?>
<div id="comment-create">
<h4>Post a comment</h4>
<form method="POST">
<input type="hidden" name="issue_id" value="<?php echo $issue['id']; ?>" />
<textarea name="description" rows="5" cols="50"></textarea>
<label></label>
<input type="submit" name="createcomment" value="Comment" />
</form>
</div>
</div>
</div>
<?php endif; ?>
<div id="footer">
Powered by <a href="https://github.com/jwalanta/tit" alt="Tiny Issue Tracker" target="_blank">Tiny Issue Tracker</a>
</div>
</div>
</body>
</html>