1 | <?php |
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2 | |
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3 | /** |
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4 | * Redirect the end-user's user agent with error message. |
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5 | * |
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6 | * @see http://tools.ietf.org/html/draft-ietf-oauth-v2-20#section-4.1 |
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7 | * |
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8 | * @ingroup oauth2_error |
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9 | */ |
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10 | class OAuth2RedirectException extends OAuth2ServerException { |
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11 | |
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12 | protected $redirectUri; |
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13 | |
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14 | /** |
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15 | * @param $redirect_uri |
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16 | * An absolute URI to which the authorization server will redirect the |
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17 | * user-agent to when the end-user authorization step is completed. |
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18 | * @param $error |
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19 | * A single error code as described in Section 4.1.2.1 |
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20 | * @param $error_description |
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21 | * (optional) A human-readable text providing additional information, |
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22 | * used to assist in the understanding and resolution of the error |
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23 | * occurred. |
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24 | * @param $state |
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25 | * (optional) REQUIRED if the "state" parameter was present in the client |
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26 | * authorization request. Set to the exact value received from the client. |
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27 | * |
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28 | * @see http://tools.ietf.org/html/draft-ietf-oauth-v2-20#section-4.1.2.1 |
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29 | * |
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30 | * @ingroup oauth2_error |
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31 | */ |
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32 | public function __construct($redirect_uri, $error, $error_description = NULL, $state = NULL) { |
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33 | parent::__construct(OAuth2::HTTP_FOUND, $error, $error_description); |
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34 | |
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35 | $this->redirectUri = $redirect_uri; |
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36 | if ($state) { |
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37 | $this->errorData['state'] = $state; |
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38 | } |
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39 | |
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40 | } |
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41 | |
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42 | /** |
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43 | * Redirect the user agent. |
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44 | * |
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45 | * @ingroup oauth2_section_4 |
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46 | */ |
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47 | protected function sendHeaders() { |
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48 | $params = array('query' => $this->errorData); |
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49 | header("Location: " . $this->buildUri($this->redirectUri, $params)); |
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50 | exit(); // No point in printing out data if we're redirecting |
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51 | } |
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52 | |
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53 | /** |
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54 | * Build the absolute URI based on supplied URI and parameters. |
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55 | * |
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56 | * @param $uri |
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57 | * An absolute URI. |
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58 | * @param $params |
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59 | * Parameters to be append as GET. |
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60 | * |
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61 | * @return |
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62 | * An absolute URI with supplied parameters. |
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63 | * |
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64 | * @ingroup oauth2_section_4 |
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65 | */ |
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66 | protected function buildUri($uri, $params) { |
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67 | $parse_url = parse_url($uri); |
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68 | |
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69 | // Add our params to the parsed uri |
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70 | foreach ( $params as $k => $v ) { |
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71 | if (isset($parse_url[$k])) |
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72 | $parse_url[$k] .= "&" . http_build_query($v); |
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73 | else |
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74 | $parse_url[$k] = http_build_query($v); |
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75 | } |
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76 | |
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77 | // Put humpty dumpty back together |
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78 | return ((isset($parse_url["scheme"])) ? $parse_url["scheme"] . "://" : "") . ((isset($parse_url["user"])) ? $parse_url["user"] . ((isset($parse_url["pass"])) ? ":" . $parse_url["pass"] : "") . "@" : "") . ((isset($parse_url["host"])) ? $parse_url["host"] : "") . ((isset($parse_url["port"])) ? ":" . $parse_url["port"] : "") . ((isset($parse_url["path"])) ? $parse_url["path"] : "") . ((isset($parse_url["query"])) ? "?" . $parse_url["query"] : "") . ((isset($parse_url["fragment"])) ? "#" . $parse_url["fragment"] : ""); |
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79 | } |
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80 | } |
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