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1 | <?php |
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2 | |||
3 | namespace Basis\Controller; |
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4 | |||
5 | use Basis\Application; |
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6 | use Basis\Event; |
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7 | use Basis\Runner; |
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8 | use Exception; |
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9 | |||
10 | class Api |
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11 | { |
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12 | public function index(Runner $runner, Event $event) |
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index uses the super-global variable $_REQUEST which is generally not recommended.
Instead of super-globals, we recommend to explicitly inject the dependencies of your class. This makes your code less dependent on global state and it becomes generally more testable: // Bad
class Router
{
public function generate($path)
{
return $_SERVER['HOST'].$path;
}
}
// Better
class Router
{
private $host;
public function __construct($host)
{
$this->host = $host;
}
public function generate($path)
{
return $this->host.$path;
}
}
class Controller
{
public function myAction(Request $request)
{
// Instead of
$page = isset($_GET['page']) ? intval($_GET['page']) : 1;
// Better (assuming you use the Symfony2 request)
$page = $request->query->get('page', 1);
}
}
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13 | { |
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14 | if (!array_key_exists('rpc', $_REQUEST)) { |
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15 | return [ |
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16 | 'success' => false, |
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17 | 'message' => 'No rpc defined', |
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18 | ]; |
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19 | } |
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20 | $data = json_decode($_REQUEST['rpc']); |
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21 | |||
22 | if (!$data) { |
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23 | return [ |
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24 | 'success' => false, |
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25 | 'message' => 'Invalid rpc format', |
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26 | ]; |
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27 | } |
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28 | |||
29 | $request = is_array($data) ? $data : [$data]; |
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30 | |||
31 | $response = []; |
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32 | foreach ($request as $rpc) { |
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33 | $result = $this->process($runner, $rpc); |
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34 | if (property_exists($rpc, 'tid')) { |
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35 | $result['tid'] = $rpc->tid; |
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36 | } |
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37 | $response[] = $result; |
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38 | } |
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39 | |||
40 | try { |
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41 | $event->fireChanges($request[0]->job); |
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42 | } catch (Exception $e) { |
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43 | return ['success' => false, 'message' => 'Fire changes failure: '.$e->getMessage()]; |
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44 | } |
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45 | |||
46 | return is_array($data) ? $response : $response[0]; |
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47 | } |
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48 | |||
49 | private function process($runner, $rpc) |
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50 | { |
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51 | if (!property_exists($rpc, 'job')) { |
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52 | return [ |
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53 | 'success' => false, |
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54 | 'message' => 'Invalid rpc format: no job', |
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55 | ]; |
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56 | } |
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57 | |||
58 | if (!property_exists($rpc, 'params')) { |
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59 | return [ |
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60 | 'success' => false, |
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61 | 'message' => 'Invalid rpc format: no params', |
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62 | ]; |
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63 | } |
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64 | |||
65 | try { |
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66 | $params = is_object($rpc->params) ? get_object_vars($rpc->params) : []; |
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67 | $data = $runner->dispatch(strtolower($rpc->job), $params); |
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68 | $data = $this->removeSystemObjects($data); |
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69 | |||
70 | return [ |
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71 | 'success' => true, |
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72 | 'data' => $data, |
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73 | ]; |
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74 | } catch (Exception $e) { |
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75 | $error = [ |
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76 | 'success' => false, |
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77 | 'message' => $e->getMessage(), |
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78 | 'trace' => explode(PHP_EOL, $e->getTraceAsString()), |
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79 | ]; |
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80 | if (property_exists($e, 'remoteTrace')) { |
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81 | $error['remoteTrace'] = $e->remoteTrace; |
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The property
remoteTrace does not seem to exist in Exception .
An attempt at access to an undefined property has been detected. This may either be a typographical error or the property has been renamed but there are still references to its old name. If you really want to allow access to undefined properties, you can define magic methods to allow access. See the php core documentation on Overloading.
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82 | } |
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83 | return $error; |
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84 | } |
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85 | } |
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86 | |||
87 | private function removeSystemObjects($data) |
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88 | { |
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89 | if (!$data) { |
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90 | return []; |
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91 | } |
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92 | |||
93 | if (is_object($data)) { |
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94 | $data = get_object_vars($data); |
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95 | } |
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96 | |||
97 | foreach ($data as $k => $v) { |
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98 | if (is_array($v) || is_object($v)) { |
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99 | if ($v instanceof Application) { |
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100 | unset($data[$k]); |
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101 | } else { |
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102 | $data[$k] = $this->removeSystemObjects($v); |
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103 | } |
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104 | } |
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105 | } |
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106 | |||
107 | return $data; |
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108 | } |
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109 | } |
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110 |
Let’s assume that you have a directory layout like this:
and let’s assume the following content of
Bar.php
:If both files
OtherDir/Foo.php
andSomeDir/Foo.php
are loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.php
However, as
OtherDir/Foo.php
does not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php
, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: