mirror of
https://github.com/vichan-devel/vichan.git
synced 2024-11-24 15:40:12 +01:00
338 lines
10 KiB
PHP
338 lines
10 KiB
PHP
<?php
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require 'inc/functions.php';
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require 'inc/display.php';
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if (file_exists('inc/instance-config.php')) {
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require 'inc/instance-config.php';
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}
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require 'inc/config.php';
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require 'inc/template.php';
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require 'inc/database.php';
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require 'inc/user.php';
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// Fix for magic quotes
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if (get_magic_quotes_gpc()) {
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function strip_array($var) {
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return is_array($var) ? array_map("strip_array", $var) : stripslashes($var);
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}
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$_SESSION = strip_array($_SESSION);
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$_GET = strip_array($_GET);
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$_POST = strip_array($_POST);
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}
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if(isset($_POST['post'])) {
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if( !isset($_POST['name']) ||
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!isset($_POST['email']) ||
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!isset($_POST['subject']) ||
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!isset($_POST['body']) ||
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!isset($_POST['board']) ||
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!isset($_POST['password'])
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) error(ERROR_BOT);
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$post = Array('board' => $_POST['board']);
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if(isset($_POST['thread'])) {
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$OP = false;
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$post['thread'] = round($_POST['thread']);
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} else $OP = true;
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if(!(($OP && $_POST['post'] == BUTTON_NEWTOPIC) ||
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(!$OP && $_POST['post'] == BUTTON_REPLY)))
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error(ERROR_BOT);
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// Check the referrer
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if($OP) {
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if(!isset($_SERVER['HTTP_REFERER']) || !preg_match(URL_MATCH, $_SERVER['HTTP_REFERER'])) error(ERROR_BOT);
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}
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// TODO: Since we're now using static HTML files, we can't give them cookies on their first page view
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// Find another anti-spam method.
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/*
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// Check if he has a valid cookie.
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if(!$user['valid']) error(ERROR_BOT);
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// Check how long he has been here.
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if(time()-$user['appeared']<LURKTIME) error(ERROR_LURK);
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*/
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// Open database connection
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sql_open();
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// Check if board exists
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if(!openBoard($post['board']))
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error(ERROR_NOBOARD);
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//Check if thread exists
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if(!$OP && !threadExists($post['thread']))
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error(ERROR_NONEXISTANT);
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// Check for a file
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if($OP) {
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if(!isset($_FILES['file']['tmp_name']) || empty($_FILES['file']['tmp_name']))
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error(ERROR_NOIMAGE);
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}
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$post['name'] = (!empty($_POST['name'])?$_POST['name']:'Anonymous');
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$post['subject'] = $_POST['subject'];
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$post['email'] = utf8tohtml($_POST['email']);
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$post['body'] = $_POST['body'];
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$post['password'] = $_POST['password'];
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$post['filename'] = $_FILES['file']['name'];
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$post['has_file'] = $OP || !empty($_FILES['file']['tmp_name']);
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if($post['has_file']) {
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$size = $_FILES['file']['size'];
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if($size > MAX_FILESIZE)
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error(sprintf3(ERR_FILESIZE, array(
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'sz'=>commaize($size),
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'filesz'=>commaize($size),
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'maxsz'=>commaize(MAX_FILESIZE))));
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}
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$trip = generate_tripcode($post['name']);
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$post['name'] = $trip[0];
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$post['trip'] = (isset($trip[1])?$trip[1]:'');
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if($post['email'] == 'noko') {
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$noko = true;
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$post['email'] = '';
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} else $noko = false;
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if($post['has_file']) {
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$post['extension'] = strtolower(substr($post['filename'], strrpos($post['filename'], '.') + 1));
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$post['file_id'] = rand(0, 1000000000);
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$post['file'] = $board['dir'] . DIR_IMG . $post['file_id'] . '.' . $post['extension'];
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$post['thumb'] = $board['dir'] . DIR_THUMB . $post['file_id'] . '.png';
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$post['zip'] = $OP && $post['has_file'] && ALLOW_ZIP && $post['extension'] == 'zip' ? $post['file'] : false;
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if(!($post['zip'] || in_array($post['extension'], $allowed_ext))) error(ERROR_FILEEXT);
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}
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// Check string lengths
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if(strlen($post['name']) > 25) error(sprintf(ERROR_TOOLONG, 'name'));
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if(strlen($post['email']) > 30) error(sprintf(ERROR_TOOLONG, 'email'));
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if(strlen($post['subject']) > 40) error(sprintf(ERROR_TOOLONG, 'subject'));
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if(strlen($post['body']) > MAX_BODY) error(ERROR_TOOLONGBODY);
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if(!(!$OP && $post['has_file']) && strlen($post['body']) < 1) error(ERROR_TOOSHORTBODY);
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if(strlen($post['password']) > 20) error(sprintf(ERROR_TOOLONG, 'password'));
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markup($post['body']);
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if($post['has_file']) {
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// Just trim the filename if it's too long
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if(strlen($post['filename']) > 30) $post['filename'] = substr($post['filename'], 0, 27).'…';
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// Move the uploaded file
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if(!@move_uploaded_file($_FILES['file']['tmp_name'], $post['file'])) error(ERROR_NOMOVE);
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if($post['zip']) {
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// Validate ZIP file
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if(is_resource($zip = zip_open($post['zip'])))
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// TODO: Check if it's not empty and has at least one (valid) image
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zip_close($zip);
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else
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error(ERR_INVALIDZIP);
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$post['file'] = ZIP_IMAGE;
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$post['extension'] = strtolower(substr($post['file'], strrpos($post['file'], '.') + 1));
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}
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$size = @getimagesize($post['file']);
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$post['width'] = $size[0];
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$post['height'] = $size[1];
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// Check if the image is valid
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if($post['width'] < 1 || $post['height'] < 1) {
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unlink($post['file']);
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error(ERR_INVALIDIMG);
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}
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if($post['width'] > MAX_WIDTH || $post['height'] > MAX_HEIGHT) {
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unlink($post['file']);
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error(ERR_MAXSIZE);
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}
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$post['filehash'] = md5_file($post['file']);
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$post['filesize'] = filesize($post['file']);
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$image = createimage($post['extension'], $post['file']);
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if(REDRAW_IMAGE && !$post['zip']) {
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switch($post['extension']) {
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case 'jpg':
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case 'jpeg':
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imagejpeg($image, $post['file'], JPEG_QUALITY);
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break;
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case 'png':
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imagepng($image, $post['file'], 7);
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break;
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case 'gif':
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if(REDRAW_GIF)
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imagegif($image, $post['file']);
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break;
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case 'bmp':
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imagebmp($image, $post['file']);
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break;
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default:
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error('Unknwon file extension.');
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}
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}
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// Create a thumbnail
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$thumb = resize($image, $post['width'], $post['height'], $post['thumb'], THUMB_WIDTH, THUMB_HEIGHT);
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$post['thumbwidth'] = $thumb['width'];
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$post['thumbheight'] = $thumb['height'];
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}
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// Remove DIR_* before inserting them into the database.
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if($post['has_file']) {
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$post['file'] = substr_replace($post['file'], '', 0, strlen($board['dir'] . DIR_IMG));
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$post['thumb'] = substr_replace($post['thumb'], '', 0, strlen($board['dir'] . DIR_THUMB));
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}
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// Todo: Validate some more, remove messy code, allow more specific configuration
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$id = post($post, $OP);
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if($post['has_file'] && $post['zip']) {
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// Open ZIP
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$zip = zip_open($post['zip']);
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// Read files
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while($entry = zip_read($zip)) {
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$filename = basename(zip_entry_name($entry));
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$extension = strtolower(substr($filename, strrpos($filename, '.') + 1));
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if(in_array($extension, $allowed_ext)) {
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if (zip_entry_open($zip, $entry, 'r')) {
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// Fake post
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$dump_post = Array(
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'subject' => $post['subject'],
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'email' => $post['email'],
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'name' => $post['name'],
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'trip' => $post['trip'],
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'body' => '',
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'thread' => $id,
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'password' => '',
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'has_file' => true,
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'file_id' => rand(0, 1000000000),
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'filename' => $filename
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);
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$dump_post['file'] = $board['dir'] . DIR_IMG . $dump_post['file_id'] . '.' . $extension;
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$dump_post['thumb'] = $board['dir'] . DIR_THUMB . $dump_post['file_id'] . '.png';
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// Extract the image from the ZIP
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$fp = fopen($dump_post['file'], 'w+');
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fwrite($fp, zip_entry_read($entry, zip_entry_filesize($entry)));
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fclose($fp);
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$size = @getimagesize($dump_post['file']);
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$dump_post['width'] = $size[0];
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$dump_post['height'] = $size[1];
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// Check if the image is valid
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if($dump_post['width'] < 1 || $dump_post['height'] < 1) {
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unlink($dump_post['file']);
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} else {
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if($dump_post['width'] > MAX_WIDTH || $dump_post['height'] > MAX_HEIGHT) {
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unlink($dump_post['file']);
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error(ERR_MAXSIZE);
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} else {
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$dump_post['filehash'] = md5_file($dump_post['file']);
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$dump_post['filesize'] = filesize($dump_post['file']);
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$image = createimage($extension, $dump_post['file']);
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$success = true;
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if(REDRAW_IMAGE) {
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switch($extension) {
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case 'jpg':
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case 'jpeg':
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imagejpeg($image, $dump_post['file'], JPEG_QUALITY);
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break;
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case 'png':
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imagepng($image, $dump_post['file'], 7);
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break;
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case 'gif':
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if(REDRAW_GIF)
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imagegif($image, $dump_post['file']);
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break;
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case 'bmp':
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imagebmp($image, $dump_post['file']);
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break;
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default:
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$success = false;
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}
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}
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// Create a thumbnail
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$thumb = resize($image, $dump_post['width'], $dump_post['height'], $dump_post['thumb'], THUMB_WIDTH, THUMB_HEIGHT);
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$dump_post['thumbwidth'] = $thumb['width'];
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$dump_post['thumbheight'] = $thumb['height'];
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// Remove DIR_* before inserting them into the database.
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$dump_post['file'] = substr_replace($dump_post['file'], '', 0, strlen($board['dir'] . DIR_IMG));
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$dump_post['thumb'] = substr_replace($dump_post['thumb'], '', 0, strlen($board['dir'] . DIR_THUMB));
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// Create the post
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post($dump_post, false);
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}
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}
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// Close the ZIP
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zip_entry_close($entry);
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}
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}
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}
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zip_close($zip);
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unlink($post['zip']);
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}
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buildThread(($OP?$id:$post['thread']));
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if(!$OP) {
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bumpThread($post['thread']);
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}
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buildIndex();
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sql_close();
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if(ALWAYS_NOKO || $noko) {
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header('Location: ' . ROOT . $board['dir'] . DIR_RES . ($OP?$id:$post['thread']) . '.html' . (!$OP?'#'.$id:''), true, REDIRECT_HTTP);
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} else {
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header('Location: ' . ROOT . $board['dir'] . FILE_INDEX, true, REDIRECT_HTTP);
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}
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exit;
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} else {
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if(!file_exists(HAS_INSTALLED)) {
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sql_open();
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// Build all boards
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$boards = listBoards();
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foreach($boards as &$_board) {
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setupBoard($_board);
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buildIndex();
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}
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sql_close();
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touch(HAS_INSTALLED, 0777);
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die(Element('page.html', Array(
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'index'=>ROOT,
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'title'=>'Success',
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'body'=>"<center>" .
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"<h2>Tinyboard is now installed!</h2>" .
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"</center>"
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)));
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} else {
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// They opened post.php in their browser manually.
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// Possible TODO: Redirect back to homepage.
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error(ERROR_NOPOST);
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}
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}
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?>
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