├── favicon.ico
├── .htaccess
├── redirect.php
├── shorten.php
├── index.php
├── config.php
├── README.md
├── url.sql
├── functions.php
└── page.html
/favicon.ico:
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https://raw.githubusercontent.com/littleplus/url-shorter/HEAD/favicon.ico
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/.htaccess:
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1 | RewriteEngine On
2 | RewriteBase /
3 | RewriteCond %{REQUEST_FILENAME} !-f
4 | RewriteCond %{REQUEST_FILENAME} !-d
5 | RewriteRule . /index.php [L]
6 |
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/redirect.php:
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1 | 0,'ukey'=>null];
5 |
6 | $ukey=urlInsert(['url'=>$url]);
7 | if(!$ukey){
8 | $result['error']=1;
9 | }
10 | else{
11 | $result['ukey']=$ukey;
12 | }
13 |
14 | jsonRender($result);
15 | }
16 |
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/index.php:
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1 | setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
8 | } catch (Exception $e) {
9 | if(DEBUG_MODE)die($e->getMessage());
10 | die('Fail to Connect the Database.');
11 | }
12 |
13 | // Insert URL to database | 插入链接到数据库
14 | function urlInsert($params){
15 | $url=$params['url'].'';
16 | $host=parse_url($url)['host'];
17 | if(empty($host)){
18 | $host=parse_url('http://'.$url)['host'];
19 | $url='http://'.$url;
20 | }
21 | $ip=trim(end(explode(',',$_SERVER['HTTP_X_FORWARDED_FOR'])));
22 |
23 | do{
24 | $ukey=ukeyGen();
25 | }while(ukeyCheck($ukey));
26 |
27 | global $dbc;
28 | try{
29 | $stmt = $dbc->prepare("INSERT INTO `".DB_TABLE."` (`domain`, `url`, `ukey`, `ip`) VALUES
30 | (:host, :url, :ukey, :ip)");
31 | $stmt->bindParam(':host',$host);
32 | $stmt->bindParam(':url',$url);
33 | $stmt->bindParam(':ukey',$ukey);
34 | $stmt->bindParam(':ip',$ip);
35 | $stmt->execute();
36 |
37 | if($stmt->rowCount()){
38 | return $ukey;
39 | }
40 | else{
41 | return false;
42 | }
43 |
44 | } catch (Exception $e) {
45 | if(DEBUG_MODE)die($e->getMessage());
46 | die('Fail to excute command');
47 | }
48 | }
49 |
50 | // Get the url by short key | 根据短代码获取原链接
51 | function urlSelect($ukey){
52 | if(ukeyCheck($ukey)){
53 | global $dbc;
54 | try{
55 | $stmt = $dbc->prepare("SELECT `url` FROM `".DB_TABLE."` WHERE ukey = :ukey LIMIT 1");
56 | $stmt->bindParam(':ukey',$ukey);
57 | $stmt->execute();
58 | } catch (Exception $e) {
59 | if(DEBUG_MODE)die($e->getMessage());
60 | }
61 | $result=$stmt->fetch(PDO::FETCH_ASSOC);
62 | if(!empty(trim($result['url'])))return $result['url'];
63 | else return null;
64 | }
65 |
66 | }
67 |
68 | // Url short key generate | 短链接代码生成(去掉了容易混淆的字母)
69 | function ukeyGen(){
70 | $s='23456789abcdefghjkmnpqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ';
71 | $sLength=strlen($s)-1;
72 | $length=rand(MIN_UKEY_LENGTH,MAX_UKEY_LENGTH);
73 | $result='';
74 | for($i=0;$i<$length;$i++){
75 | $result.=$s[rand(0,$sLength)];
76 | }
77 | return $result;
78 | }
79 |
80 | // Check the Url short key exist | 短链接代码是否存在
81 | function ukeyCheck($ukey){
82 | global $dbc;
83 | try{
84 | $stmt = $dbc->prepare("SELECT `ukey` FROM `".DB_TABLE."` WHERE ukey = :ukey LIMIT 1");
85 | $stmt->bindParam(':ukey',$ukey);
86 | $stmt->execute();
87 |
88 | if($result=$stmt->fetch(PDO::FETCH_ASSOC)){
89 | return true;
90 | } else {
91 | return false;
92 | }
93 |
94 | } catch (Exception $e) {
95 | if(DEBUG_MODE)die($e->getMessage());
96 | }
97 | }
98 |
99 | //404 Page | 404页面
100 | function notfound(){
101 | die("");
102 | }
103 |
104 | //Json Render | Json格式化返回
105 | function jsonRender($content){
106 | header("Content-Type:application/json; charset=UTF-8");
107 | echo json_encode($content);
108 | die();
109 | }
110 |
111 |
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/page.html:
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1 |
2 |
3 |
4 |
5 |
6 | <?php echo SITE_NAME; ?>
7 |
8 |
9 |
10 |
32 |
33 |
34 |
48 |
52 |
85 |
86 |
87 |
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