Commit | Line | Data |
---|---|---|
d3159a21 TO |
1 | <?php |
2 | /* | |
3 | +--------------------------------------------------------------------+ | |
39de6fd5 | 4 | | CiviCRM version 4.6 | |
d3159a21 | 5 | +--------------------------------------------------------------------+ |
39de6fd5 | 6 | | Copyright CiviCRM LLC (c) 2004-2014 | |
d3159a21 TO |
7 | +--------------------------------------------------------------------+ |
8 | | This file is a part of CiviCRM. | | |
9 | | | | |
10 | | CiviCRM is free software; you can copy, modify, and distribute it | | |
11 | | under the terms of the GNU Affero General Public License | | |
12 | | Version 3, 19 November 2007 and the CiviCRM Licensing Exception. | | |
13 | | | | |
14 | | CiviCRM is distributed in the hope that it will be useful, but | | |
15 | | WITHOUT ANY WARRANTY; without even the implied warranty of | | |
16 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | | |
17 | | See the GNU Affero General Public License for more details. | | |
18 | | | | |
19 | | You should have received a copy of the GNU Affero General Public | | |
20 | | License and the CiviCRM Licensing Exception along | | |
21 | | with this program; if not, contact CiviCRM LLC | | |
22 | | at info[AT]civicrm[DOT]org. If you have questions about the | | |
23 | | GNU Affero General Public License or the licensing of CiviCRM, | | |
24 | | see the CiviCRM license FAQ at http://civicrm.org/licensing | | |
25 | +--------------------------------------------------------------------+ | |
26 | */ | |
27 | namespace Civi\API; | |
28 | ||
6550386a EM |
29 | /** |
30 | * Class Request | |
31 | * @package Civi\API | |
32 | */ | |
d3159a21 | 33 | class Request { |
5558f278 TO |
34 | private static $nextId = 1; |
35 | ||
d3159a21 TO |
36 | /** |
37 | * Create a formatted/normalized request object. | |
38 | * | |
39 | * @param string $entity | |
8882ff5c | 40 | * API entity name. |
d3159a21 | 41 | * @param string $action |
8882ff5c | 42 | * API action name. |
d3159a21 | 43 | * @param array $params |
8882ff5c | 44 | * API parameters. |
d3159a21 | 45 | * @param mixed $extra |
8882ff5c | 46 | * Who knows? ... |
89750f35 EM |
47 | * |
48 | * @throws \API_Exception | |
d3159a21 TO |
49 | * @return array the request descriptor; keys: |
50 | * - version: int | |
51 | * - entity: string | |
52 | * - action: string | |
53 | * - params: array (string $key => mixed $value) [deprecated in v4] | |
54 | * - extra: unspecified | |
55 | * - fields: NULL|array (string $key => array $fieldSpec) | |
56 | * - options: \CRM_Utils_OptionBag derived from params [v4-only] | |
57 | * - data: \CRM_Utils_OptionBag derived from params [v4-only] | |
58 | * - chains: unspecified derived from params [v4-only] | |
59 | */ | |
60 | public static function create($entity, $action, $params, $extra) { | |
61 | $apiRequest = array(); // new \Civi\API\Request(); | |
5558f278 | 62 | $apiRequest['id'] = self::$nextId++; |
d3159a21 TO |
63 | $apiRequest['version'] = self::parseVersion($params); |
64 | $apiRequest['params'] = $params; | |
65 | $apiRequest['extra'] = $extra; | |
66 | $apiRequest['fields'] = NULL; | |
67 | ||
68 | if ($apiRequest['version'] <= 3) { | |
69 | // APIv1-v3 munges entity/action names, which means that the same name can be written | |
70 | // multiple ways. That makes it harder to work with. | |
71 | $apiRequest['entity'] = \CRM_Utils_String::munge($entity); | |
72 | $action = \CRM_Utils_String::munge($action); | |
73 | $apiRequest['action'] = strtolower($action{0}) . substr($action, 1); | |
74 | } | |
75 | else { | |
76 | // APIv4 requires exact entity/action name; deviations should cause errors | |
77 | if (!preg_match('/^[a-zA-Z][a-zA-Z0-9]*$/', $entity)) { | |
78 | throw new \API_Exception("Malformed entity"); | |
79 | } | |
80 | if (!preg_match('/^[a-zA-Z][a-zA-Z0-9]*$/', $action)) { | |
81 | throw new \API_Exception("Malformed action"); | |
82 | } | |
83 | $apiRequest['entity'] = $entity; | |
84 | $apiRequest['action'] = strtolower($action{0}) . substr($action, 1); | |
85 | } | |
86 | ||
87 | // APIv1-v3 mix data+options in $params which means that each API callback is responsible | |
88 | // for splitting the two. In APIv4, the split is done systematically so that we don't | |
89 | // so much parsing logic spread around. | |
90 | if ($apiRequest['version'] >= 4) { | |
91 | $options = array(); | |
92 | $data = array(); | |
93 | $chains = array(); | |
94 | foreach ($params as $key => $value) { | |
95 | if ($key == 'options') { | |
96 | $options = array_merge($options, $value); | |
97 | } | |
98 | elseif ($key == 'return') { | |
99 | if (!isset($options['return'])) { | |
100 | $options['return'] = array(); | |
101 | } | |
102 | $options['return'] = array_merge($options['return'], $value); | |
103 | } | |
104 | elseif (preg_match('/^option\.(.*)$/', $key, $matches)) { | |
105 | $options[$matches[1]] = $value; | |
106 | } | |
107 | elseif (preg_match('/^return\.(.*)$/', $key, $matches)) { | |
108 | if ($value) { | |
109 | if (!isset($options['return'])) { | |
110 | $options['return'] = array(); | |
111 | } | |
112 | $options['return'][] = $matches[1]; | |
113 | } | |
114 | } | |
115 | elseif (preg_match('/^format\.(.*)$/', $key, $matches)) { | |
116 | if ($value) { | |
117 | if (!isset($options['format'])) { | |
118 | $options['format'] = $matches[1]; | |
119 | } | |
120 | else { | |
121 | throw new \API_Exception("Too many API formats specified"); | |
122 | } | |
123 | } | |
124 | } | |
125 | elseif (preg_match('/^api\./', $key)) { | |
126 | // FIXME: represent subrequests as instances of "Request" | |
127 | $chains[$key] = $value; | |
128 | } | |
129 | elseif ($key == 'debug') { | |
130 | $options['debug'] = $value; | |
131 | } | |
132 | elseif ($key == 'version') { | |
133 | // ignore | |
134 | } | |
135 | else { | |
136 | $data[$key] = $value; | |
137 | ||
138 | } | |
139 | } | |
140 | $apiRequest['options'] = new \CRM_Utils_OptionBag($options); | |
141 | $apiRequest['data'] = new \CRM_Utils_OptionBag($data); | |
142 | $apiRequest['chains'] = $chains; | |
143 | } | |
144 | ||
145 | return $apiRequest; | |
146 | } | |
147 | ||
148 | /** | |
149 | * We must be sure that every request uses only one version of the API. | |
150 | * | |
151 | * @param array $params | |
8882ff5c | 152 | * API parameters. |
d3159a21 TO |
153 | * @return int |
154 | */ | |
155 | protected static function parseVersion($params) { | |
156 | $desired_version = empty($params['version']) ? NULL : (int) $params['version']; | |
8882ff5c | 157 | if (isset($desired_version) && is_int($desired_version)) { |
d3159a21 TO |
158 | return $desired_version; |
159 | } | |
160 | else { | |
161 | // we will set the default to version 3 as soon as we find that it works. | |
162 | return 3; | |
163 | } | |
164 | } | |
165 | ||
89750f35 | 166 | } |