115 lines
3.3 KiB
PHP
115 lines
3.3 KiB
PHP
<?php
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defined('BASEPATH') OR exit('No direct script access allowed');
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/**
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* Imagelib class
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*/
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/**
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* image 를 관리하는 class 입니다.
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*/
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class Imagelib extends CI_Controller
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{
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private $CI;
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function __construct()
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{
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$this->CI = & get_instance();
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}
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/**
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* 본문 내용중 외부 이미지주소를 서버로 가져온 후에 내부 주소로 변경합니다
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*/
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public function replace_external_image($content = '')
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{
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if (empty($content)) {
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return;
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}
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$patten = "/<img[^>]*src=[\"']?([^>\"']+)[\"']?[^>]*>/i";
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preg_match_all($patten, $content, $match);
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if (isset($match[1]) && $match[1]) {
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foreach ($match[1] as $link) {
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$url = @parse_url($link);
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if ( ! empty($url['host']) && $url['host'] !== $this->CI->input->server('HTTP_HOST')) {
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$image = $this->save_external_image($link, $url['path']);
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if ($image) {
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$content = str_replace($link, $image, $content);
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}
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}
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}
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}
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return $content;
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}
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public function save_external_image($url = '', $path = '')
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{
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if (empty($url)) {
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return;
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}
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$ch = curl_init ($url);
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curl_setopt($ch, CURLOPT_HEADER, 0);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
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curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
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$err = curl_error($ch);
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if (empty($err)) {
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$rawdata = curl_exec($ch);
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}
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curl_close ($ch);
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if ($rawdata) {
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$ext = get_extension($path);
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$upload_path = config_item('uploads_dir') . '/editor/';
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if (is_dir($upload_path) === false) {
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mkdir($upload_path, 0707);
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$file = $upload_path . 'index.php';
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$f = @fopen($file, 'w');
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@fwrite($f, '');
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@fclose($f);
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@chmod($file, 0644);
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}
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$upload_path .= cdate('Y') . '/';
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if (is_dir($upload_path) === false) {
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mkdir($upload_path, 0707);
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$file = $upload_path . 'index.php';
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$f = @fopen($file, 'w');
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@fwrite($f, '');
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@fclose($f);
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@chmod($file, 0644);
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}
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$upload_path .= cdate('m') . '/';
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if (is_dir($upload_path) === false) {
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mkdir($upload_path, 0707);
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$file = $upload_path . 'index.php';
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$f = @fopen($file, 'w');
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@fwrite($f, '');
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@fclose($f);
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@chmod($file, 0644);
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}
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list($usec, $sec) = explode(' ', microtime());
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$file_name = md5(uniqid(mt_rand())) . '_' . str_replace('.', '', $sec . $usec) . '.' . $ext;
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$save_dir = $upload_path. $file_name;
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$save_url = site_url(config_item('uploads_dir') . '/editor/' . cdate('Y') . '/' . cdate('m') . '/' . $file_name);
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$fp = fopen($save_dir, 'w');
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fwrite($fp, $rawdata);
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fclose($fp);
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if (file_exists($save_dir)) {
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return $save_url;
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}
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}
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return;
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}
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}
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