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annotate twitter/EpiOAuth.php @ 60:05f29eb72283 default tip

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review from DB not working???
author Charlie Root
date Sun, 09 Jun 2019 06:50:44 -0400
parents 077b0a0a3e6d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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6
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1 <?php
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2 class EpiOAuth
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3 {
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4 public $version = '1.0';
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5
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6 protected $requestTokenUrl;
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7 protected $accessTokenUrl;
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8 protected $authenticateUrl;
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9 protected $authorizeUrl;
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10 protected $consumerKey;
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11 protected $consumerSecret;
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12 protected $token;
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13 protected $tokenSecret;
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14 protected $signatureMethod;
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15 protected $debug = false;
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16 protected $useSSL = false;
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17 protected $headers = array();
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18 protected $userAgent = 'EpiOAuth (http://github.com/jmathai/twitter-async/tree/)';
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19 protected $connectionTimeout = 5;
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20 protected $requestTimeout = 30;
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21
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22 public function addHeader($header)
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23 {
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24 if(is_array($header) && !empty($header))
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25 $this->headers = array_merge($this->headers, $header);
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26 elseif(!empty($header))
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27 $this->headers[] = $header;
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28 }
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29
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30 public function getAccessToken($params = null)
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31 {
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32 $resp = $this->httpRequest('POST', $this->getUrl($this->accessTokenUrl), $params);
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33 return new EpiOAuthResponse($resp);
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34 }
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35
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36 public function getAuthenticateUrl($token = null, $params = null)
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37 {
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38 $token = $token ? $token : $this->getRequestToken($params);
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39 if (is_object($token)) $token = $token->oauth_token;
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40 $addlParams = empty($params) ? '' : '&'.http_build_query($params, '', '&');
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41 return $this->getUrl($this->authenticateUrl) . '?oauth_token=' . $token . $addlParams;
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42 }
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43
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44 public function getAuthorizeUrl($token = null, $params = null)
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45 {
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46 $token = $token ? $token : $this->getRequestToken($params);
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47 if (is_object($token)) $token = $token->oauth_token;
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48 return $this->getUrl($this->authorizeUrl) . '?oauth_token=' . $token;
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49 }
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50
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51 // DEPRECATED in favor of getAuthorizeUrl()
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52 public function getAuthorizationUrl($token = null)
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53 {
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54 return $this->getAuthorizeUrl($token);
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55 }
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56
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57 public function getRequestToken($params = null)
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58 {
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59 $resp = $this->httpRequest('POST', $this->getUrl($this->requestTokenUrl), $params);
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60 return new EpiOAuthResponse($resp);
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61 }
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62
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63 public function getUrl($url)
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64 {
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65 if($this->useSSL === true)
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66 return preg_replace('/^http:/', 'https:', $url);
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67
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68 return $url;
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69 }
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70
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71 public function httpRequest($method = null, $url = null, $params = null, $isMultipart = false)
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72 {
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73 if(empty($method) || empty($url))
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74 return false;
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75
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76 if(empty($params['oauth_signature']))
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77 $params = $this->prepareParameters($method, $url, $params);
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78
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79 switch($method)
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80 {
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81 case 'GET':
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82 return $this->httpGet($url, $params);
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83 break;
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84 case 'POST':
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85 return $this->httpPost($url, $params, $isMultipart);
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86 break;
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87 case 'DELETE':
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88 return $this->httpDelete($url, $params);
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89 break;
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90
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91 }
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92 }
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93
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94 public function setDebug($bool=false)
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95 {
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96 $this->debug = (bool)$bool;
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97 }
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98
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99 public function setTimeout($requestTimeout = null, $connectionTimeout = null)
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100 {
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101 if($requestTimeout !== null)
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102 $this->requestTimeout = floatval($requestTimeout);
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103 if($connectionTimeout !== null)
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104 $this->connectionTimeout = floatval($connectionTimeout);
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105 }
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106
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107 public function setToken($token = null, $secret = null)
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108 {
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109 $this->token = $token;
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110 $this->tokenSecret = $secret;
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111 }
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112
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113 public function useSSL($use = false)
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114 {
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115 $this->useSSL = (bool)$use;
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116 }
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117
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118 protected function addDefaultHeaders($url, $oauthHeaders)
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119 {
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120 $_h = array('Expect:');
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121 $urlParts = parse_url($url);
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122 $oauth = 'Authorization: OAuth realm="' . $urlParts['scheme'] . '://' . $urlParts['host'] . $urlParts['path'] . '",';
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123 foreach($oauthHeaders as $name => $value)
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124 {
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125 $oauth .= "{$name}=\"{$value}\",";
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126 }
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127 $_h[] = substr($oauth, 0, -1);
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128 $_h[] = "User-Agent: {$this->userAgent}";
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129 $this->addHeader($_h);
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130 }
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131
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132 protected function buildHttpQueryRaw($params)
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133 {
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134 $retval = '';
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135 foreach((array)$params as $key => $value)
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136 $retval .= "{$key}={$value}&";
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137 $retval = substr($retval, 0, -1);
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138 return $retval;
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139 }
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140
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141 protected function curlInit($url)
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142 {
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143 $ch = curl_init($url);
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144 curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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145 curl_setopt($ch, CURLOPT_HTTPHEADER, $this->headers);
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146 curl_setopt($ch, CURLOPT_TIMEOUT, $this->requestTimeout);
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147 curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $this->connectionTimeout);
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148 curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
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149 if(isset($_SERVER ['SERVER_ADDR']) && !empty($_SERVER['SERVER_ADDR']) && $_SERVER['SERVER_ADDR'] != '127.0.0.1')
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150 curl_setopt($ch, CURLOPT_INTERFACE, $_SERVER ['SERVER_ADDR']);
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151
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152 if($this->useSSL === true)
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153 {
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154 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
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155 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
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156 }
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157 return $ch;
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158 }
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159
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160 protected function emptyHeaders()
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161 {
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162 $this->headers = array();
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163 }
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164
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165 protected function encode_rfc3986($string)
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166 {
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167 return str_replace('+', ' ', str_replace('%7E', '~', rawurlencode(($string))));
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168 }
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169
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170 protected function generateNonce()
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171 {
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172 if(isset($this->nonce)) // for unit testing
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173 return $this->nonce;
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174
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175 return md5(uniqid(rand(), true));
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176 }
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177
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178 // parameters should already have been passed through prepareParameters
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179 // no need to double encode
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180 protected function generateSignature($method = null, $url = null, $params = null)
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181 {
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182 if(empty($method) || empty($url))
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183 return false;
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184
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185 // concatenating and encode
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186 $concatenatedParams = $this->encode_rfc3986($this->buildHttpQueryRaw($params));
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187
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188 // normalize url
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189 $normalizedUrl = $this->encode_rfc3986($this->normalizeUrl($url));
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190 $method = $this->encode_rfc3986($method); // don't need this but why not?
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191
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192 $signatureBaseString = "{$method}&{$normalizedUrl}&{$concatenatedParams}";
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193 return $this->signString($signatureBaseString);
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194 }
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195
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196 protected function httpDelete($url, $params) {
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197 $this->addDefaultHeaders($url, $params['oauth']);
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198 $ch = $this->curlInit($url);
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199 curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'DELETE');
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200 curl_setopt($ch, CURLOPT_POSTFIELDS, $this->buildHttpQueryRaw($params['request']));
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201 $resp = $this->curl->addCurl($ch);
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202 $this->emptyHeaders();
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203 return $resp;
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204 }
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205
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206 protected function httpGet($url, $params = null)
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207 {
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208 if(count($params['request']) > 0)
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209 {
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210 $url .= '?';
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211 foreach($params['request'] as $k => $v)
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212 {
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213 $url .= "{$k}={$v}&";
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214 }
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215 $url = substr($url, 0, -1);
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216 }
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217 $this->addDefaultHeaders($url, $params['oauth']);
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218 $ch = $this->curlInit($url);
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219 $resp = $this->curl->addCurl($ch);
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220 $this->emptyHeaders();
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221
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222 return $resp;
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223 }
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224
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225 protected function httpPost($url, $params = null, $isMultipart)
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226 {
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227 $this->addDefaultHeaders($url, $params['oauth']);
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228 $ch = $this->curlInit($url);
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229 curl_setopt($ch, CURLOPT_POST, 1);
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230 // php's curl extension automatically sets the content type
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231 // based on whether the params are in string or array form
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232 if($isMultipart)
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233 curl_setopt($ch, CURLOPT_POSTFIELDS, $params['request']);
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diff changeset
234 else
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235 curl_setopt($ch, CURLOPT_POSTFIELDS, $this->buildHttpQueryRaw($params['request']));
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236 $resp = $this->curl->addCurl($ch);
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237 $this->emptyHeaders();
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238
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239 return $resp;
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240 }
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241
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242 protected function normalizeUrl($url = null)
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diff changeset
243 {
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244 $urlParts = parse_url($url);
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245 $scheme = strtolower($urlParts['scheme']);
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246 $host = strtolower($urlParts['host']);
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247 $port = isset($urlParts['port']) ? intval($urlParts['port']) : 0;
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248
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249 $retval = strtolower($scheme) . '://' . strtolower($host);
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250
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251 if(!empty($port) && (($scheme === 'http' && $port != 80) || ($scheme === 'https' && $port != 443)))
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252 $retval .= ":{$port}";
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253
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254 $retval .= $urlParts['path'];
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255 if(!empty($urlParts['query']))
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256 {
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257 $retval .= "?{$urlParts['query']}";
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258 }
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259
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260 return $retval;
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parents:
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261 }
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diff changeset
262
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263 protected function isMultipart($params = null)
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diff changeset
264 {
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diff changeset
265 if($params)
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266 {
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diff changeset
267 foreach($params as $k => $v)
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268 {
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diff changeset
269 if(strncmp('@',$k,1) === 0)
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270 return true;
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271 }
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272 }
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273 return false;
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diff changeset
274 }
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diff changeset
275
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diff changeset
276 protected function prepareParameters($method = null, $url = null, $params = null)
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parents:
diff changeset
277 {
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diff changeset
278 if(empty($method) || empty($url))
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diff changeset
279 return false;
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diff changeset
280
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diff changeset
281 $oauth['oauth_consumer_key'] = $this->consumerKey;
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parents:
diff changeset
282 $oauth['oauth_token'] = $this->token;
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diff changeset
283 $oauth['oauth_nonce'] = $this->generateNonce();
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parents:
diff changeset
284 $oauth['oauth_timestamp'] = !isset($this->timestamp) ? time() : $this->timestamp; // for unit test
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parents:
diff changeset
285 $oauth['oauth_signature_method'] = $this->signatureMethod;
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parents:
diff changeset
286 if(isset($params['oauth_verifier']))
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parents:
diff changeset
287 {
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diff changeset
288 $oauth['oauth_verifier'] = $params['oauth_verifier'];
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parents:
diff changeset
289 unset($params['oauth_verifier']);
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parents:
diff changeset
290 }
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parents:
diff changeset
291 $oauth['oauth_version'] = $this->version;
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parents:
diff changeset
292 // encode all oauth values
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parents:
diff changeset
293 foreach($oauth as $k => $v)
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parents:
diff changeset
294 $oauth[$k] = $this->encode_rfc3986($v);
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parents:
diff changeset
295 // encode all non '@' params
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parents:
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296 // keep sigParams for signature generation (exclude '@' params)
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297 // rename '@key' to 'key'
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298 $sigParams = array();
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299 $hasFile = false;
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300 if(is_array($params))
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301 {
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302 foreach($params as $k => $v)
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303 {
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304 if(strncmp('@',$k,1) !== 0)
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305 {
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306 $sigParams[$k] = $this->encode_rfc3986($v);
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307 $params[$k] = $this->encode_rfc3986($v);
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308 }
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309 else
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310 {
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311 $params[substr($k, 1)] = $v;
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312 unset($params[$k]);
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313 $hasFile = true;
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314 }
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315 }
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316
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317 if($hasFile === true)
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318 $sigParams = array();
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319 }
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320
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321 $sigParams = array_merge($oauth, (array)$sigParams);
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322
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323 // sorting
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324 ksort($sigParams);
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325
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326 // signing
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327 $oauth['oauth_signature'] = $this->encode_rfc3986($this->generateSignature($method, $url, $sigParams));
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328 return array('request' => $params, 'oauth' => $oauth);
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329 }
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330
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331 protected function signString($string = null)
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332 {
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333 $retval = false;
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334 switch($this->signatureMethod)
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335 {
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336 case 'HMAC-SHA1':
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337 $key = $this->encode_rfc3986($this->consumerSecret) . '&' . $this->encode_rfc3986($this->tokenSecret);
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338 $retval = base64_encode(hash_hmac('sha1', $string, $key, true));
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339 break;
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340 }
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341
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342 return $retval;
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343 }
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344
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345 public function __construct($consumerKey, $consumerSecret, $signatureMethod='HMAC-SHA1')
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346 {
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347 $this->consumerKey = $consumerKey;
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348 $this->consumerSecret = $consumerSecret;
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349 $this->signatureMethod = $signatureMethod;
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350 $this->curl = EpiCurl::getInstance();
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351 }
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352 }
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diff changeset
353
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354 class EpiOAuthResponse
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355 {
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parents:
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356 private $__resp;
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357 protected $debug = false;
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358
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diff changeset
359 public function __construct($resp)
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parents:
diff changeset
360 {
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parents:
diff changeset
361 $this->__resp = $resp;
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parents:
diff changeset
362 }
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parents:
diff changeset
363
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parents:
diff changeset
364 public function __get($name)
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parents:
diff changeset
365 {
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parents:
diff changeset
366 if($this->__resp->code != 200)
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parents:
diff changeset
367 EpiOAuthException::raise($this->__resp, $this->debug);
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parents:
diff changeset
368
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parents:
diff changeset
369 parse_str($this->__resp->data, $result);
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parents:
diff changeset
370 foreach($result as $k => $v)
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parents:
diff changeset
371 {
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parents:
diff changeset
372 $this->$k = $v;
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parents:
diff changeset
373 }
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parents:
diff changeset
374
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parents:
diff changeset
375 return isset($result[$name]) ? $result[$name] : null;
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parents:
diff changeset
376 }
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parents:
diff changeset
377
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parents:
diff changeset
378 public function __toString()
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parents:
diff changeset
379 {
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parents:
diff changeset
380 return $this->__resp->data;
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parents:
diff changeset
381 }
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parents:
diff changeset
382 }
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parents:
diff changeset
383
077b0a0a3e6d remaining originals according to dependency walk
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parents:
diff changeset
384 class EpiOAuthException extends Exception
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parents:
diff changeset
385 {
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parents:
diff changeset
386 public static function raise($response, $debug)
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parents:
diff changeset
387 {
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parents:
diff changeset
388 $message = $response->responseText;
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parents:
diff changeset
389
077b0a0a3e6d remaining originals according to dependency walk
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parents:
diff changeset
390 switch($response->code)
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Robert Boland <robert@markup.co.uk>
parents:
diff changeset
391 {
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
392 case 400:
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
393 throw new EpiOAuthBadRequestException($message, $response->code);
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
394 case 401:
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
395 throw new EpiOAuthUnauthorizedException($message, $response->code);
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Robert Boland <robert@markup.co.uk>
parents:
diff changeset
396 default:
077b0a0a3e6d remaining originals according to dependency walk
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parents:
diff changeset
397 throw new EpiOAuthException($message, $response->code);
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
398 }
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
399 }
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
400 }
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
401 class EpiOAuthBadRequestException extends EpiOAuthException{}
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
402 class EpiOAuthUnauthorizedException extends EpiOAuthException{}
077b0a0a3e6d remaining originals according to dependency walk
Robert Boland <robert@markup.co.uk>
parents:
diff changeset
403