PastonBin/includes/functions.php
2017-06-17 19:22:17 +02:00

369 lines
10 KiB
PHP

<?php
/*
* Paste <https://github.com/jordansamuel/PASTE>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License in GPL.txt for more details.
*/
function str_contains($haystack, $needle, $ignoreCase = false)
{
if ($ignoreCase) {
$haystack = strtolower($haystack);
$needle = strtolower($needle);
}
$needlePos = strpos($haystack, $needle);
return ($needlePos === false ? false : ($needlePos + 1));
}
function encrypt($value)
{
$iv_size = @mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = @mcrypt_create_iv($iv_size, MCRYPT_RAND);
$val = @mcrypt_encrypt(MCRYPT_RIJNDAEL_256, SECRET, $value, MCRYPT_MODE_ECB, $iv);
return base64_encode($val);
}
function decrypt($value)
{
$value = base64_decode($value);
$iv_size = @mcrypt_get_iv_size(MCRYPT_RIJNDAEL_256, MCRYPT_MODE_ECB);
$iv = @mcrypt_create_iv($iv_size, MCRYPT_RAND);
return @mcrypt_decrypt(MCRYPT_RIJNDAEL_256, SECRET, $value, MCRYPT_MODE_ECB, $iv);
}
function deleteMyPaste($con, $paste_id)
{
$query = "DELETE FROM pastes where id='$paste_id'";
$result = mysqli_query($con, $query);
}
function getRecent($con, $count = 5)
{
$limit = $count ? "limit $count" : "";
$query = "SELECT *
FROM pastes where visible='0'
ORDER BY id DESC
LIMIT 0 , $count";
$result = mysqli_query($con, $query);
return $result;
}
function getUserRecent($con, $count = 5, $username)
{
$limit = $count ? "limit $count" : "";
$query = "SELECT *
FROM pastes where member='$username'
ORDER BY id DESC
LIMIT 0 , $count";
$result = mysqli_query($con, $query);
return $result;
}
function getUserPastes($con, $username)
{
$query = "SELECT * FROM pastes where member='$username' ORDER by id DESC";
$result = mysqli_query($con, $query);
return $result;
}
function getTotalPastes($con, $username)
{
$query = "SELECT * FROM pastes WHERE member='$username'";
$result = mysqli_query($con, $query);
$count = 0;
while ($row = mysqli_fetch_array($result)) {
$count = $count + 1;
}
return $count;
}
function isValidUsername($str) {
return !preg_match('/[^A-Za-z0-9.#\\-$]/', $str);
}
function existingUser( $con, $username ) {
$query = "SELECT * FROM users WHERE username = '$username'";
$result = mysqli_query( $con, $query );
$num_rows = mysqli_num_rows( $result );
if ( $num_rows == 0 ) {
// No records. User doesn't exist.
return false;
} else {
return true;
}
}
function updateMyView($con, $paste_id)
{
$query = "SELECT * FROM pastes WHERE id=" . Trim($paste_id);
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$p_view = Trim($row['views']);
}
$p_view = $p_view + 1;
$query = "UPDATE pastes SET views='$p_view' where id='$paste_id'";
$result = mysqli_query($con, $query);
}
function conTime($secs) {
$bit = array(
' year' => $secs / 31556926 % 12,
' week' => $secs / 604800 % 52,
' day' => $secs / 86400 % 7,
' hour' => $secs / 3600 % 24,
' min' => $secs / 60 % 60,
' sec' => $secs % 60
);
foreach ($bit as $k => $v) {
if ($v > 1)
$ret[] = $v . $k . 's';
if ($v == 1)
$ret[] = $v . $k;
}
array_splice($ret, count($ret) - 1, 0, 'and');
$ret[] = 'ago';
$val = join(' ', $ret);
if (str_contains($val, "week")) {
} else {
$val = str_replace("and", "", $val);
}
if (Trim($val) == "ago") {
$val = "1 sec ago";
}
return $val;
}
function truncate($input, $maxWords, $maxChars)
{
$words = preg_split('/\s+/', $input);
$words = array_slice($words, 0, $maxWords);
$words = array_reverse($words);
$chars = 0;
$truncated = array();
while (count($words) > 0) {
$fragment = trim(array_pop($words));
$chars += strlen($fragment);
if ($chars > $maxChars)
break;
$truncated[] = $fragment;
}
$result = implode($truncated, ' ');
return $result . ($input == $result ? '' : '[...]');
}
function doDownload($paste_id, $p_title, $p_content, $p_code)
{
$stats = false;
if ($p_code) {
// Figure out extensions.
$ext = "txt";
switch ($p_code) {
case 'bash':
$ext = 'sh';
break;
case 'actionscript':
$ext = 'html';
break;
case 'html4strict':
$ext = 'html';
break;
case 'javascript':
$ext = 'js';
break;
case 'perl':
$ext = 'pl';
break;
case 'csharp':
$ext = 'cs';
break;
case 'ruby':
$ext = 'rb';
break;
case 'python':
$ext = 'py';
break;
case 'sql':
$ext = 'sql';
break;
case 'php':
$ext = 'php';
break;
case 'c':
$ext = 'c';
break;
case 'cpp':
$ext = 'cpp';
break;
case 'css':
$ext = 'css';
break;
case 'xml':
$ext = 'xml';
break;
default:
$ext = 'txt';
break;
}
// Download
header('Content-type: text/plain');
header('Content-Disposition: attachment; filename="' . $p_title . '.' . $ext . '"');
echo $p_content;
$stats = true;
} else {
// 404
header('HTTP/1.1 404 Not Found');
}
return $stats;
}
function rawView($paste_id, $p_title, $p_content, $p_code)
{
$stats = false;
if ($p_code) {
// Raw
header('Content-type: text/plain');
echo $p_content;
$stats = true;
} else {
// 404
header('HTTP/1.1 404 Not Found');
}
return $stats;
}
function embedView( $paste_id, $p_title, $p_content, $p_code, $title, $baseurl, $ges_style, $lang ) {
$stats = false;
if ( $p_content ) {
// Build the output
$output = "<div class='paste_embed_container'>";
$output .= "<style>"; // Add our own styles
$output .= "
.paste_embed_container {
font-size: 12px;
color: #333;
text-align: left;
margin-bottom: 1em;
border: 1px solid #ddd;
background-color: #f7f7f7;
border-radius: 3px;
}
.paste_embed_container a {
font-weight: bold;
color: #666;
text-decoration: none;
border: 0;
}
.paste_embed_container ol {
color: white;
background-color: #f7f7f7;
border-right: 1px solid #ccc;
margin: 0;
}
.paste_embed_footer {
font-size:14px;
padding: 10px;
overflow: hidden;
color: #767676;
background-color: #f7f7f7;
border-radius: 0 0 2px 2px;
border-top: 1px solid #ccc;
}
.de1, .de2 {
-moz-user-select: text;
-khtml-user-select: text;
-webkit-user-select: text;
-ms-user-select: text;
user-select: text;
padding: 0 8px;
color: #000;
border-left: 1px solid #ddd;
background: #ffffff;
line-height:20px;
}";
$output .= "</style>";
$output .= "$ges_style"; // Dynamic GeSHI Style
$output .= $p_content; // Paste content
$output .= "<div class='paste_embed_footer'>";
$output .= "<a href='$baseurl/$paste_id'>$p_title</a> " . $lang['embed-hosted-by'] . " <a href='$baseurl'>$title</a> | <a href='$baseurl/raw/$paste_id'>" . strtolower( $lang['view-raw'] ) . "</a>";
$output .= "</div>";
$output .= "</div>";
// Display embed content using json_encode since that escapes
// characters well enough to satisfy javascript. http://stackoverflow.com/a/169035
header( 'Content-type: text/javascript; charset=utf-8;' );
echo 'document.write(' . json_encode( $output ) . ')';
$stats = true;
} else {
// 404
header( 'HTTP/1.1 404 Not Found' );
}
return $stats;
}
function addToSitemap($paste_id, $priority, $changefreq, $mod_rewrite)
{
$c_date = date('Y-m-d');
$site_data = file_get_contents("sitemap.xml");
$site_data = str_replace("</urlset>", "", $site_data);
// which protocol are we on
$protocol = paste_protocol();
if ($mod_rewrite == "1") {
$server_name = $protocol . $_SERVER['HTTP_HOST'] . dirname($_SERVER['PHP_SELF']) . "/" . $paste_id;
} else {
$server_name = $protocol . $_SERVER['HTTP_HOST'] . dirname($_SERVER['PHP_SELF']) . "/paste.php?id=" . $paste_id;
}
$c_sitemap =
' <url>
<loc>' . $server_name . '</loc>
<priority>' . $priority . '</priority>
<changefreq>' . $changefreq . '</changefreq>
<lastmod>' . $c_date . '</lastmod>
</url>
</urlset>';
$full_map = $site_data . $c_sitemap;
file_put_contents("sitemap.xml", $full_map);
}
function paste_protocol() {
$protocol = ( isset( $_SERVER['HTTPS'] ) && $_SERVER['HTTPS'] == "on" ) ? 'https://' : 'http://';
return $protocol;
}
function is_banned($con, $ip) {
$query = "SELECT id FROM ban_user WHERE ip=?";
if ($stmt = mysqli_prepare($con, $query)) {
mysqli_stmt_bind_param($stmt, "s", $ip);
mysqli_stmt_execute($stmt);
mysqli_stmt_store_result($stmt);
if ( mysqli_stmt_num_rows($stmt) > 0 ) {
mysqli_stmt_close($stmt);
return true;
} else {
mysqli_stmt_close($stmt);
return false;
}
}
}