|
1
|
|
|
<?php |
|
2
|
|
|
|
|
3
|
|
|
/** |
|
4
|
|
|
* Response |
|
5
|
|
|
* |
|
6
|
|
|
* Handles the HTTP Response for the current execution. |
|
7
|
|
|
* |
|
8
|
|
|
* @package core |
|
9
|
|
|
* @author [email protected] |
|
10
|
|
|
* @copyright Caffeina srl - 2015 - http://caffeina.it |
|
11
|
|
|
*/ |
|
12
|
|
|
|
|
13
|
|
|
class Response { |
|
14
|
|
|
use Module; |
|
15
|
|
|
|
|
16
|
|
|
const TYPE_JSON = 'application/json', |
|
17
|
|
|
TYPE_HTML = 'text/html', |
|
18
|
|
|
TYPE_TEXT = 'text/plain', |
|
19
|
|
|
TYPE_CSS = 'text/css', |
|
20
|
|
|
TYPE_XML = 'text/xml', |
|
21
|
|
|
TYPE_SVG = 'image/svg+xml', |
|
22
|
|
|
TYPE_JS = 'application/javascript', |
|
23
|
|
|
TYPE_BIN = 'application/octet-stream'; |
|
24
|
|
|
|
|
25
|
|
|
protected static $payload = [], |
|
26
|
|
|
$status = 200, |
|
27
|
|
|
$charset = "utf-8", |
|
28
|
|
|
$headers = ['Content-Type' => ['text/html; charset=utf-8']], |
|
29
|
|
|
$buffer = null, |
|
30
|
|
|
$force_dl = false, |
|
31
|
|
|
$link = null; |
|
32
|
|
|
|
|
33
|
|
|
|
|
34
|
|
|
public static function charset($charset){ |
|
35
|
|
|
static::$charset = $charset; |
|
36
|
|
|
} |
|
37
|
|
|
|
|
38
|
|
|
public static function type($mime){ |
|
39
|
|
|
static::header('Content-Type',$mime . (static::$charset ? '; charset='.static::$charset : '')); |
|
40
|
|
|
} |
|
41
|
|
|
|
|
42
|
|
|
/** |
|
43
|
|
|
* Force download of Response body |
|
44
|
|
|
* @param string/bool $filename Pass a falsy value to disable download or pass a filename for exporting content |
|
|
|
|
|
|
45
|
|
|
* @return [type] [description] |
|
|
|
|
|
|
46
|
|
|
*/ |
|
47
|
|
|
public static function download($filename){ |
|
48
|
|
|
static::$force_dl = $filename; |
|
49
|
|
|
} |
|
50
|
|
|
|
|
51
|
|
|
/** |
|
52
|
|
|
* Start capturing output |
|
53
|
|
|
*/ |
|
54
|
|
|
public static function start(){ |
|
55
|
|
|
static::$buffer = ob_start(); |
|
56
|
|
|
} |
|
57
|
|
|
|
|
58
|
|
|
/** |
|
59
|
|
|
* Enable CORS HTTP headers. |
|
60
|
|
|
*/ |
|
61
|
|
|
public static function enableCORS(){ |
|
62
|
|
|
|
|
63
|
|
|
// Allow from any origin |
|
64
|
|
|
if ($origin = filter_input(INPUT_SERVER,'HTTP_ORIGIN')) { |
|
65
|
|
|
static::header('Access-Control-Allow-Origin', $origin); |
|
66
|
|
|
static::header('Access-Control-Allow-Credentials', 'true'); |
|
67
|
|
|
static::header('Access-Control-Max-Age', 86400); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
// Access-Control headers are received during OPTIONS requests |
|
71
|
|
|
if (filter_input(INPUT_SERVER,'REQUEST_METHOD') == 'OPTIONS') { |
|
72
|
|
|
static::clean(); |
|
73
|
|
|
|
|
74
|
|
|
if (filter_input(INPUT_SERVER,'HTTP_ACCESS_CONTROL_REQUEST_METHOD')) { |
|
75
|
|
|
static::header('Access-Control-Allow-Methods', |
|
76
|
|
|
'GET, POST, PUT, DELETE, OPTIONS, HEAD, CONNECT, PATCH, TRACE'); |
|
77
|
|
|
} |
|
78
|
|
|
if ($req_h = filter_input(INPUT_SERVER,'HTTP_ACCESS_CONTROL_REQUEST_HEADERS')) { |
|
79
|
|
|
static::header('Access-Control-Allow-Headers',$req_h); |
|
80
|
|
|
} |
|
81
|
|
|
|
|
82
|
|
|
static::send(); |
|
83
|
|
|
exit; |
|
84
|
|
|
} |
|
85
|
|
|
} |
|
86
|
|
|
|
|
87
|
|
|
/** |
|
88
|
|
|
* Finish the output buffer capturing. |
|
89
|
|
|
* @return string The captured buffer |
|
90
|
|
|
*/ |
|
91
|
|
|
public static function end(){ |
|
92
|
|
|
if (static::$buffer){ |
|
93
|
|
|
static::$payload[] = ob_get_contents(); |
|
94
|
|
|
ob_end_clean(); |
|
95
|
|
|
static::$buffer = null; |
|
96
|
|
|
return end(static::$payload); |
|
97
|
|
|
} |
|
98
|
|
|
} |
|
99
|
|
|
|
|
100
|
|
|
/** |
|
101
|
|
|
* Check if an response output buffering is active. |
|
102
|
|
|
* @return boolean |
|
103
|
|
|
*/ |
|
104
|
|
|
public static function isBuffering(){ |
|
105
|
|
|
return static::$buffer; |
|
106
|
|
|
} |
|
107
|
|
|
|
|
108
|
|
|
/** |
|
109
|
|
|
* Clear the response body |
|
110
|
|
|
*/ |
|
111
|
|
|
public static function clean(){ |
|
112
|
|
|
static::$payload = []; |
|
113
|
|
|
} |
|
114
|
|
|
|
|
115
|
|
|
/** |
|
116
|
|
|
* Append a JSON object to the buffer. |
|
117
|
|
|
* @param mixed $payload Data to append to the response buffer |
|
118
|
|
|
*/ |
|
119
|
|
|
public static function json($payload){ |
|
120
|
|
|
static::type(static::TYPE_JSON); |
|
121
|
|
|
static::$payload[] = json_encode($payload, Options::get('core.response.json_flags',JSON_NUMERIC_CHECK)); |
|
122
|
|
|
} |
|
123
|
|
|
|
|
124
|
|
|
/** |
|
125
|
|
|
* Append a text to the buffer. |
|
126
|
|
|
* @param mixed $payload Text to append to the response buffer |
|
127
|
|
|
*/ |
|
128
|
|
|
public static function text(){ |
|
129
|
|
|
static::type(static::TYPE_TEXT); |
|
130
|
|
|
static::$payload[] = implode('',func_get_args()); |
|
131
|
|
|
} |
|
132
|
|
|
|
|
133
|
|
|
/** |
|
134
|
|
|
* Append an XML string to the buffer. |
|
135
|
|
|
* @param mixed $payload Data to append to the response buffer |
|
136
|
|
|
*/ |
|
137
|
|
|
public static function xml(){ |
|
138
|
|
|
static::type(static::TYPE_XML); |
|
139
|
|
|
static::$payload[] = implode('',func_get_args()); |
|
140
|
|
|
} |
|
141
|
|
|
|
|
142
|
|
|
/** |
|
143
|
|
|
* Append a SVG string to the buffer. |
|
144
|
|
|
* @param mixed $payload Data to append to the response buffer |
|
145
|
|
|
*/ |
|
146
|
|
|
public static function svg(){ |
|
147
|
|
|
static::type(static::TYPE_SVG); |
|
148
|
|
|
static::$payload[] = implode('',func_get_args()); |
|
149
|
|
|
} |
|
150
|
|
|
|
|
151
|
|
|
/** |
|
152
|
|
|
* Append an HTML string to the buffer. |
|
153
|
|
|
* @param mixed $payload Data to append to the response buffer |
|
154
|
|
|
*/ |
|
155
|
|
|
public static function html(){ |
|
156
|
|
|
static::type(static::TYPE_HTML); |
|
157
|
|
|
static::$payload[] = implode('',func_get_args()); |
|
158
|
|
|
} |
|
159
|
|
|
|
|
160
|
|
|
/** |
|
161
|
|
|
* Append a raw string to the buffer. |
|
162
|
|
|
* @param mixed $payload Data to append to the response buffer |
|
163
|
|
|
*/ |
|
164
|
|
|
public static function add(){ |
|
165
|
|
|
static::$payload[] = implode('',func_get_args()); |
|
166
|
|
|
} |
|
167
|
|
|
|
|
168
|
|
|
public static function status($code,$message=''){ |
|
169
|
|
|
static::header('Status',$message?:$code,$code); |
|
170
|
|
|
} |
|
171
|
|
|
|
|
172
|
|
|
public static function header($name,$value,$code=null){ |
|
173
|
|
|
static::$headers[$name] = [$value,$code]; |
|
174
|
|
|
} |
|
175
|
|
|
|
|
176
|
|
|
public static function error($code=500,$message='Application Error'){ |
|
177
|
|
|
Event::trigger('core.response.error',$code,$message); |
|
178
|
|
|
static::status($code,$message); |
|
179
|
|
|
} |
|
180
|
|
|
|
|
181
|
|
|
public static function body($setBody=null){ |
|
182
|
|
|
if ($setBody) static::$payload = [$setBody]; |
|
183
|
|
|
return Filter::with('core.response.body',is_array(static::$payload)?implode('',static::$payload):static::$payload); |
|
184
|
|
|
} |
|
185
|
|
|
|
|
186
|
|
|
public static function headers($setHeaders=null){ |
|
187
|
|
|
if ($setHeaders) static::$headers = $setHeaders; |
|
188
|
|
|
return static::$headers; |
|
189
|
|
|
} |
|
190
|
|
|
|
|
191
|
|
|
/** |
|
192
|
|
|
* Save response as an object, for serialization or cache storage |
|
193
|
|
|
* |
|
194
|
|
|
* @method save |
|
195
|
|
|
* |
|
196
|
|
|
* @return array Headers and body of the response |
|
197
|
|
|
*/ |
|
198
|
|
|
public static function save(){ |
|
199
|
|
|
return [ |
|
200
|
|
|
'head' => static::$headers, |
|
201
|
|
|
'body' => static::body(), |
|
202
|
|
|
]; |
|
203
|
|
|
} |
|
204
|
|
|
|
|
205
|
|
|
/** |
|
206
|
|
|
* Load response from a saved state |
|
207
|
|
|
* |
|
208
|
|
|
* @method load |
|
209
|
|
|
* |
|
210
|
|
|
* @param array $data head/body saved state |
|
211
|
|
|
*/ |
|
212
|
|
|
public static function load($data){ |
|
213
|
|
|
$data = (object)$data; |
|
214
|
|
|
if (isset($data->head)) static::headers($data->head); |
|
215
|
|
|
if (isset($data->body)) static::body($data->body); |
|
216
|
|
|
} |
|
217
|
|
|
|
|
218
|
|
|
public static function send(){ |
|
219
|
|
|
Event::trigger('core.response.send'); |
|
220
|
|
|
if (false === headers_sent()) foreach (static::$headers as $name => $value_code) { |
|
221
|
|
|
if (is_array($value_code)) { |
|
222
|
|
|
list($value, $code) = (count($value_code) > 1) ? $value_code : [current($value_code), 200]; |
|
223
|
|
|
} else { |
|
224
|
|
|
$value = $value_code; |
|
225
|
|
|
$code = null; |
|
226
|
|
|
} |
|
227
|
|
|
|
|
228
|
|
|
if ($value == 'Status'){ |
|
229
|
|
|
if (function_exists('http_response_code')){ |
|
230
|
|
|
http_response_code($code); |
|
231
|
|
|
} else { |
|
232
|
|
|
header("Status: $code", true, $code); |
|
233
|
|
|
} |
|
234
|
|
|
|
|
235
|
|
|
} else { |
|
236
|
|
|
$code |
|
237
|
|
|
? header("$name: $value", true, $code) |
|
238
|
|
|
: header("$name: $value", true); |
|
239
|
|
|
} |
|
240
|
|
|
} |
|
241
|
|
|
if (!static::$force_dl) header('Content-Disposition: attachment; filename="'.static::$force_dl.'"'); |
|
242
|
|
|
echo static::body(); |
|
243
|
|
|
} |
|
244
|
|
|
|
|
245
|
|
|
} |
|
246
|
|
|
|
This check marks PHPDoc comments that could not be parsed by our parser. To see which comment annotations we can parse, please refer to our documentation on supported doc-types.