1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
<?php
namespace Shaarli\Api\Controllers;
use Shaarli\Api\ApiUtils;
use Shaarli\Api\Exceptions\ApiBadParametersException;
use Shaarli\Api\Exceptions\ApiLinkNotFoundException;
use Slim\Http\Request;
use Slim\Http\Response;
/**
* Class Links
*
* REST API Controller: all services related to links collection.
*
* @package Api\Controllers
* @see http://shaarli.github.io/api-documentation/#links-links-collection
*/
class Links extends ApiController
{
/**
* @var int Number of links returned if no limit is provided.
*/
public static $DEFAULT_LIMIT = 20;
/**
* Retrieve a list of links, allowing different filters.
*
* @param Request $request Slim request.
* @param Response $response Slim response.
*
* @return Response response.
*
* @throws ApiBadParametersException Invalid parameters.
*/
public function getLinks($request, $response)
{
$private = $request->getParam('visibility');
$links = $this->linkDb->filterSearch(
[
'searchtags' => $request->getParam('searchtags', ''),
'searchterm' => $request->getParam('searchterm', ''),
],
false,
$private
);
// Return links from the {offset}th link, starting from 0.
$offset = $request->getParam('offset');
if (! empty($offset) && ! ctype_digit($offset)) {
throw new ApiBadParametersException('Invalid offset');
}
$offset = ! empty($offset) ? intval($offset) : 0;
if ($offset > count($links)) {
return $response->withJson([], 200, $this->jsonStyle);
}
// limit parameter is either a number of links or 'all' for everything.
$limit = $request->getParam('limit');
if (empty($limit)) {
$limit = self::$DEFAULT_LIMIT;
} else if (ctype_digit($limit)) {
$limit = intval($limit);
} else if ($limit === 'all') {
$limit = count($links);
} else {
throw new ApiBadParametersException('Invalid limit');
}
// 'environment' is set by Slim and encapsulate $_SERVER.
$index = index_url($this->ci['environment']);
$out = [];
$cpt = 0;
foreach ($links as $link) {
if (count($out) >= $limit) {
break;
}
if ($cpt++ >= $offset) {
$out[] = ApiUtils::formatLink($link, $index);
}
}
return $response->withJson($out, 200, $this->jsonStyle);
}
/**
* Return a single formatted link by its ID.
*
* @param Request $request Slim request.
* @param Response $response Slim response.
* @param array $args Path parameters. including the ID.
*
* @return Response containing the link array.
*
* @throws ApiLinkNotFoundException generating a 404 error.
*/
public function getLink($request, $response, $args)
{
if (!isset($this->linkDb[$args['id']])) {
throw new ApiLinkNotFoundException();
}
$index = index_url($this->ci['environment']);
$out = ApiUtils::formatLink($this->linkDb[$args['id']], $index);
return $response->withJson($out, 200, $this->jsonStyle);
}
/**
* Creates a new link from posted request body.
*
* @param Request $request Slim request.
* @param Response $response Slim response.
*
* @return Response response.
*/
public function postLink($request, $response)
{
$data = $request->getParsedBody();
$link = ApiUtils::buildLinkFromRequest($data, $this->conf->get('privacy.default_private_links'));
// duplicate by URL, return 409 Conflict
if (! empty($link['url']) && ! empty($dup = $this->linkDb->getLinkFromUrl($link['url']))) {
return $response->withJson(
ApiUtils::formatLink($dup, index_url($this->ci['environment'])),
409,
$this->jsonStyle
);
}
$link['id'] = $this->linkDb->getNextId();
$link['shorturl'] = link_small_hash($link['created'], $link['id']);
// note: general relative URL
if (empty($link['url'])) {
$link['url'] = '?' . $link['shorturl'];
}
if (empty($link['title'])) {
$link['title'] = $link['url'];
}
$this->linkDb[$link['id']] = $link;
$this->linkDb->save($this->conf->get('resource.page_cache'));
$out = ApiUtils::formatLink($link, index_url($this->ci['environment']));
$redirect = $this->ci->router->relativePathFor('getLink', ['id' => $link['id']]);
return $response->withAddedHeader('Location', $redirect)
->withJson($out, 201, $this->jsonStyle);
}
}
|
