PastonBin/paste.php

408 lines
13 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.
*/
// PHP <5.5 compatibility
require_once('includes/password.php');
session_start();
// UTF-8
header('Content-Type: text/html; charset=utf-8');
// Required functions
require_once('config.php');
require_once('includes/geshi.php');
require_once('includes/functions.php');
// Path of GeSHi object
$path = 'includes/geshi/';
// Path of Parsedown object
$parsedown_path = 'includes/Parsedown/Parsedown.php';
// GET Paste ID
if (isset($_GET['id'])) {
$paste_id = Trim(htmlspecialchars($_GET['id']));
} elseif (isset($_POST['id'])) {
$paste_id = Trim(htmlspecialchars($_POST['id']));
}
// Database Connection
$con = mysqli_connect($dbhost, $dbuser, $dbpassword, $dbname);
if (mysqli_connect_errno()) {
die("Unable to connect to database");
}
// Get site info
$query = "SELECT * FROM site_info";
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$title = Trim($row['title']);
$des = Trim($row['des']);
$baseurl = Trim($row['baseurl']);
$keyword = Trim($row['keyword']);
$site_name = Trim($row['site_name']);
$email = Trim($row['email']);
$twit = Trim($row['twit']);
$face = Trim($row['face']);
$gplus = Trim($row['gplus']);
$ga = Trim($row['ga']);
$additional_scripts = Trim($row['additional_scripts']);
}
// Set theme and language
$query = "SELECT * FROM interface";
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$default_lang = Trim($row['lang']);
$default_theme = Trim($row['theme']);
}
require_once("langs/$default_lang");
// Check if IP is banned
if ( is_banned($con, $ip) ) die($lang['banned']); // "You have been banned from ".$site_name;
// Site permissions
$query = "SELECT * FROM site_permissions where id='1'";
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$disableguest = Trim($row['disableguest']);
$siteprivate = Trim($row['siteprivate']);
}
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
} else {
if ($siteprivate =="on") {
$privatesite = "on";
}
}
// Current date & user IP
$date = date('jS F Y');
$ip = $_SERVER['REMOTE_ADDR'];
$data_ip = file_get_contents('tmp/temp.tdata');
// Ads
$query = "SELECT * FROM ads WHERE id='1'";
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$text_ads = Trim($row['text_ads']);
$ads_1 = Trim($row['ads_1']);
$ads_2 = Trim($row['ads_2']);
}
// Logout
if (isset($_GET['logout'])) {
header('Location: ' . $_SERVER['HTTP_REFERER']);
unset($_SESSION['token']);
unset($_SESSION['oauth_uid']);
unset($_SESSION['username']);
session_destroy();
}
// Escape from quotes
if (get_magic_quotes_gpc()) {
function callback_stripslashes(&$val, $name)
{
if (get_magic_quotes_gpc())
$val = stripslashes($val);
}
if (count($_GET))
array_walk($_GET, 'callback_stripslashes');
if (count($_POST))
array_walk($_POST, 'callback_stripslashes');
if (count($_COOKIE))
array_walk($_COOKIE, 'callback_stripslashes');
}
// Page views
$query = "SELECT @last_id := MAX(id) FROM page_view";
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$last_id = $row['@last_id := MAX(id)'];
}
$query = "SELECT * FROM page_view WHERE id=" . Trim($last_id);
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$last_date = $row['date'];
}
if ($last_date == $date) {
if (str_contains($data_ip, $ip)) {
$query = "SELECT * FROM page_view WHERE id=" . Trim($last_id);
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$last_tpage = Trim($row['tpage']);
}
$last_tpage = $last_tpage + 1;
// IP exists, so update page views
$query = "UPDATE page_view SET tpage=$last_tpage WHERE id=" . Trim($last_id);
mysqli_query($con, $query);
} else {
$query = "SELECT * FROM page_view WHERE id=" . Trim($last_id);
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$last_tpage = Trim($row['tpage']);
$last_tvisit = Trim($row['tvisit']);
}
$last_tpage = $last_tpage + 1;
$last_tvisit = $last_tvisit + 1;
// Update both tpage and tvisit.
$query = "UPDATE page_view SET tpage=$last_tpage,tvisit=$last_tvisit WHERE id=" . Trim($last_id);
mysqli_query($con, $query);
file_put_contents('tmp/temp.tdata', $data_ip . "\r\n" . $ip);
}
} else {
// Delete the file and clear data_ip
unlink("tmp/temp.tdata");
$data_ip = "";
// New date is created
$query = "INSERT INTO page_view (date,tpage,tvisit) VALUES ('$date','1','1')";
mysqli_query($con, $query);
// Update the IP
file_put_contents('tmp/temp.tdata', $data_ip . "\r\n" . $ip);
}
$query = "SELECT * FROM pastes WHERE id='$paste_id'";
$result = mysqli_query($con, $query);
if (mysqli_num_rows($result) > 0) {
$query = "SELECT * FROM pastes WHERE id='$paste_id'";
$result = mysqli_query($con, $query);
while ($row = mysqli_fetch_array($result)) {
$p_title = $row['title'];
$p_content = $row['content'];
$p_visible = $row['visible'];
$p_code = $row['code'];
$p_expiry = Trim($row['expiry']);
$p_password = $row['password'];
$p_member = $row['member'];
$p_date = $row['date'];
$p_encrypt = $row['encrypt'];
$p_views = $row['views'];
}
$p_private_error = '0';
if ($p_visible == "2") {
if (isset($_SESSION['username'])) {
if ($p_member == Trim($_SESSION['username'])) {
} else {
$notfound = $lang['privatepaste']; //" This is a private paste.";
$p_private_error = '1';
goto Not_Valid_Paste;
}
} else {
$notfound = $lang['privatepaste']; //" This is a private paste. If you created this paste, please login to view it.";
$p_private_error = '1';
goto Not_Valid_Paste;
}
}
if ($p_expiry == "NULL" || $p_expiry == "SELF") {
} else {
$input_time = $p_expiry;
$current_time = mktime(date("H"), date("i"), date("s"), date("n"), date("j"), date("Y"));
if ($input_time < $current_time) {
$notfound = $lang['expired'];
$p_private_error = 1;
goto Not_Valid_Paste;
}
}
if ($p_encrypt == "" || $p_encrypt == null || $p_encrypt == '0') {
} else {
$p_content = decrypt($p_content);
}
$op_content = Trim(htmlspecialchars_decode($p_content));
// Download the paste
if (isset($_GET['download'])) {
if ($p_password == "NONE") {
doDownload($paste_id, $p_title, $op_content, $p_code);
exit();
} else {
if (isset($_GET['password'])) {
if (password_verify($_GET['password'],$p_password)) {
doDownload($paste_id, $p_title, $op_content, $p_code);
exit();
} else {
$error = $lang['wrongpassword']; // 'Wrong password';
}
} else {
$error = $lang['pwdprotected']; // 'Password protected paste';
}
}
}
// Raw view
if (isset($_GET['raw'])) {
if ($p_password == "NONE") {
rawView($paste_id, $p_title, $op_content, $p_code);
exit();
} else {
if (isset($_GET['password'])) {
if (password_verify($_GET['password'],$p_password)) {
rawView($paste_id, $p_title, $op_content, $p_code);
exit();
} else {
$error = $lang['wrongpassword']; // 'Wrong password';
}
} else {
$error = $lang['pwdprotected']; // 'Password protected paste';
}
}
}
// Preprocess
$highlight = array();
$prefix_size = strlen('!highlight!');
if ($prefix_size) {
$lines = explode("\n", $p_content);
$p_content = "";
foreach ($lines as $idx => $line) {
if (substr($line, 0, $prefix_size) == '!highlight!') {
$highlight[] = $idx + 1;
$line = substr($line, $prefix_size);
}
$p_content .= $line . "\n";
}
$p_content = rtrim($p_content);
}
// Apply syntax highlight
$p_content = htmlspecialchars_decode($p_content);
if ( $p_code == "markdown" ) {
include( $parsedown_path );
$Parsedown = new Parsedown();
$p_content = $Parsedown->text( $p_content );
} else {
$geshi = new GeSHi($p_content, $p_code, $path);
$geshi->enable_classes();
$geshi->set_header_type(GESHI_HEADER_DIV);
$geshi->set_line_style('color: #aaaaaa; width:auto;');
$geshi->set_code_style('color: #757584;');
if (count($highlight)) {
$geshi->enable_line_numbers(GESHI_NORMAL_LINE_NUMBERS);
$geshi->highlight_lines_extra($highlight);
$geshi->set_highlight_lines_extra_style('color:#399bff;background:rgba(38,92,255,0.14);');
} else {
$geshi->enable_line_numbers(GESHI_FANCY_LINE_NUMBERS, 2);
}
$p_content = $geshi->parse_code();
$style = $geshi->get_stylesheet();
$ges_style = '<style>' . $style . '</style>';
}
// Embed view after GeSHI is applied so that $p_code is syntax highlighted as it should be.
if (isset($_GET['embed'])) {
if ( $p_password == "NONE" ) {
embedView( $paste_id, $p_title, $p_content, $p_code, $title, $baseurl, $ges_style, $lang );
exit();
} else {
if ( isset( $_GET['password'] ) ) {
if ( password_verify( $_GET['password'], $p_password ) ) {
embedView( $paste_id, $p_title, $p_content, $p_code, $title, $p_baseurl, $ges_style, $lang );
exit();
} else {
$error = $lang['wrongpassword']; // 'Wrong password';
}
} else {
$error = $lang['pwdprotected']; // 'Password protected paste';
}
}
}
} else {
header("HTTP/1.1 404 Not Found");
$notfound = $lang['notfound']; // "Not found";
}
require_once('theme/' . $default_theme . '/header.php');
if ($p_password == "NONE") {
// No password & diplay the paste
// Set download URL
if ($mod_rewrite == '1') {
$p_download = "download/$paste_id";
} else {
$p_download = "paste.php?download&id=$paste_id";
}
// Set raw URL
if ($mod_rewrite == '1') {
$p_raw = "raw/$paste_id";
} else {
$p_raw = "paste.php?raw&id=$paste_id";
}
// Set embed URL
if ( $mod_rewrite == '1' ) {
$p_embed = "embed/$paste_id";
} else {
$p_embed = "paste.php?embed&id=$paste_id";
}
// Theme
require_once('theme/' . $default_theme . '/view.php');
updateMyView($con, $paste_id);
if ($p_expiry == "SELF") {
deleteMyPaste($con, $paste_id);
}
} else {
$p_download = "paste.php?download&id=$paste_id&password=" . password_hash(isset($_POST['mypass']), PASSWORD_DEFAULT);
$p_raw = "paste.php?raw&id=$paste_id&password=" . password_hash(isset($_POST['mypass']), PASSWORD_DEFAULT);
// Check password
if (isset($_POST['mypass'])) {
if (password_verify($_POST['mypass'], $p_password)) {
// Theme
require_once('theme/' . $default_theme . '/view.php');
updateMyView($con, $paste_id);
if ($p_expiry == "SELF") {
deleteMyPaste($con, $paste_id);
}
} else {
$error = $lang['wrongpwd']; //"Password is wrong";
require_once('theme/' . $default_theme . '/errors.php');
}
} else {
// Display errors
require_once('theme/' . $default_theme . '/errors.php');
}
}
Not_Valid_Paste:
// Private paste not valid
if ($p_private_error == '1') {
// Display errors
require_once('theme/' . $default_theme . '/header.php');
require_once('theme/' . $default_theme . '/errors.php');
}
// Footer
require_once('theme/' . $default_theme . '/footer.php');
?>