1 | <?php |
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11 | class CentrifugeBroadcaster extends Broadcaster |
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12 | { |
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13 | /** |
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14 | * The Centrifuge SDK instance. |
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15 | * |
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16 | * @var \LaraComponents\Centrifuge\Contracts\Centrifuge |
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17 | */ |
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18 | protected $centrifuge; |
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19 | |||
20 | /** |
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21 | * Create a new broadcaster instance. |
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22 | * |
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23 | * @param \LaraComponents\Centrifuge\Contracts\Centrifuge $centrifuge |
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24 | */ |
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25 | public function __construct(CentrifugeContract $centrifuge) |
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26 | { |
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27 | $this->centrifuge = $centrifuge; |
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28 | } |
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29 | |||
30 | /** |
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31 | * Authenticate the incoming request for a given channel. |
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32 | * |
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33 | * @param \Illuminate\Http\Request $request |
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34 | * @return mixed |
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35 | */ |
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36 | public function auth($request) |
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37 | { |
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38 | if ($request->user()) { |
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39 | $client = $request->get('client', ''); |
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40 | $channels = $request->get('channels', []); |
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41 | $channels = is_array($channels) ? $channels : [$channels]; |
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42 | |||
43 | $response = []; |
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44 | $info = json_encode([]); |
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45 | foreach ($channels as $channel) { |
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46 | try { |
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47 | $result = $this->verifyUserCanAccessChannel($request, $channel); |
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48 | } catch (HttpException $e) { |
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49 | $result = false; |
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50 | } |
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51 | |||
52 | $response[$channel] = $result ? [ |
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53 | 'sign' => $this->centrifuge->generateToken($client, $channel, $info), |
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54 | 'info' => $info, |
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55 | ] : [ |
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56 | 'status' => 403, |
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57 | ]; |
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58 | } |
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59 | |||
60 | return response()->json($response); |
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61 | } else { |
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62 | throw new HttpException(401); |
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63 | } |
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64 | } |
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65 | |||
66 | /** |
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67 | * Return the valid authentication response. |
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68 | * |
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69 | * @param \Illuminate\Http\Request $request |
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70 | * @param mixed $result |
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71 | * @return mixed |
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72 | */ |
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73 | public function validAuthenticationResponse($request, $result) |
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74 | { |
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75 | return $result; |
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76 | } |
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77 | |||
78 | /** |
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79 | * Broadcast the given event. |
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80 | * |
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81 | * @param array $channels |
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82 | * @param string $event |
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83 | * @param array $payload |
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84 | * @return void |
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85 | */ |
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86 | public function broadcast(array $channels, $event, array $payload = []) |
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87 | { |
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88 | $payload['event'] = $event; |
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89 | |||
90 | $response = $this->centrifuge->broadcast($this->formatChannels($channels), $payload); |
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91 | |||
92 | if ((is_array($response) && is_null($response['error'])) { |
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93 | return; |
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94 | } |
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95 | |||
96 | throw new BroadcastException($response['error']); |
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97 | } |
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98 | |||
99 | /** |
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100 | * Get the Centrifuge instance. |
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101 | * |
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102 | * @return \LaraComponents\Centrifuge\Contracts\Centrifuge |
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103 | */ |
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104 | public function getCentrifuge() |
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105 | { |
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106 | return $this->centrifuge; |
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107 | } |
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108 | } |
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109 |