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1 | <?php |
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2 | |||
3 | /** |
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4 | * Just a sack of functions. Not actually an IXR_Server |
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5 | */ |
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6 | class Jetpack_XMLRPC_Server { |
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7 | /** |
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8 | * The current error object |
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9 | */ |
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10 | public $error = null; |
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11 | |||
12 | /** |
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13 | * Whitelist of the XML-RPC methods available to the Jetpack Server. If the |
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14 | * user is not authenticated (->login()) then the methods are never added, |
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15 | * so they will get a "does not exist" error. |
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16 | */ |
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17 | function xmlrpc_methods( $core_methods ) { |
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18 | $jetpack_methods = array( |
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19 | 'jetpack.jsonAPI' => array( $this, 'json_api' ), |
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20 | 'jetpack.verifyAction' => array( $this, 'verify_action' ), |
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21 | ); |
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22 | |||
23 | $user = $this->login(); |
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24 | |||
25 | if ( $user ) { |
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26 | $jetpack_methods = array_merge( $jetpack_methods, array( |
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27 | 'jetpack.testConnection' => array( $this, 'test_connection' ), |
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28 | 'jetpack.testAPIUserCode' => array( $this, 'test_api_user_code' ), |
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29 | 'jetpack.featuresAvailable' => array( $this, 'features_available' ), |
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30 | 'jetpack.featuresEnabled' => array( $this, 'features_enabled' ), |
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31 | 'jetpack.getPost' => array( $this, 'get_post' ), |
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32 | 'jetpack.getPosts' => array( $this, 'get_posts' ), |
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33 | 'jetpack.getComment' => array( $this, 'get_comment' ), |
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34 | 'jetpack.getComments' => array( $this, 'get_comments' ), |
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35 | 'jetpack.disconnectBlog' => array( $this, 'disconnect_blog' ), |
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36 | 'jetpack.unlinkUser' => array( $this, 'unlink_user' ), |
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37 | ) ); |
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38 | |||
39 | if ( isset( $core_methods['metaWeblog.editPost'] ) ) { |
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40 | $jetpack_methods['metaWeblog.newMediaObject'] = $core_methods['metaWeblog.newMediaObject']; |
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41 | $jetpack_methods['jetpack.updateAttachmentParent'] = array( $this, 'update_attachment_parent' ); |
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42 | } |
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43 | |||
44 | /** |
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45 | * Filters the XML-RPC methods available to Jetpack for authenticated users. |
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46 | * |
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47 | * @since 1.1.0 |
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48 | * |
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49 | * @param array $jetpack_methods XML-RPC methods available to the Jetpack Server. |
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50 | * @param array $core_methods Available core XML-RPC methods. |
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51 | * @param WP_User $user Information about a given WordPress user. |
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52 | */ |
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53 | $jetpack_methods = apply_filters( 'jetpack_xmlrpc_methods', $jetpack_methods, $core_methods, $user ); |
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54 | } |
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55 | |||
56 | /** |
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57 | * Filters the XML-RPC methods available to Jetpack for unauthenticated users. |
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58 | * |
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59 | * @since 3.0.0 |
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60 | * |
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61 | * @param array $jetpack_methods XML-RPC methods available to the Jetpack Server. |
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62 | * @param array $core_methods Available core XML-RPC methods. |
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63 | */ |
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64 | return apply_filters( 'jetpack_xmlrpc_unauthenticated_methods', $jetpack_methods, $core_methods ); |
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65 | } |
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66 | |||
67 | /** |
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68 | * Whitelist of the bootstrap XML-RPC methods |
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69 | */ |
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70 | function bootstrap_xmlrpc_methods() { |
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71 | return array( |
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72 | 'jetpack.verifyRegistration' => array( $this, 'verify_registration' ), |
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73 | ); |
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74 | } |
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75 | |||
76 | /** |
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77 | * Verifies that Jetpack.WordPress.com received a registration request from this site |
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78 | */ |
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79 | function verify_registration( $verify_secret ) { |
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80 | return $this->verify_action( array( 'register', $verify_secret ) ); |
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81 | } |
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82 | |||
83 | /** |
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84 | * @return WP_Error|string secret_2 on success, WP_Error( error_code => error_code, error_message => error description, error_data => status code ) on failure |
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85 | * |
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86 | * Possible error_codes: |
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87 | * |
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88 | * verify_secret_1_missing |
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89 | * verify_secret_1_malformed |
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90 | * verify_secrets_missing: No longer have verification secrets stored |
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91 | * verify_secrets_mismatch: stored secret_1 does not match secret_1 sent by Jetpack.WordPress.com |
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92 | */ |
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93 | function verify_action( $params ) { |
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94 | $action = $params[0]; |
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95 | $verify_secret = $params[1]; |
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96 | |||
97 | if ( empty( $verify_secret ) ) { |
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98 | return $this->error( new Jetpack_Error( 'verify_secret_1_missing', sprintf( 'The required "%s" parameter is missing.', 'secret_1' ), 400 ) ); |
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99 | } else if ( !is_string( $verify_secret ) ) { |
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100 | return $this->error( new Jetpack_Error( 'verify_secret_1_malformed', sprintf( 'The required "%s" parameter is malformed.', 'secret_1' ), 400 ) ); |
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101 | } |
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102 | |||
103 | $secrets = Jetpack_Options::get_option( $action ); |
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104 | if ( !$secrets || is_wp_error( $secrets ) ) { |
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105 | Jetpack_Options::delete_option( $action ); |
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106 | return $this->error( new Jetpack_Error( 'verify_secrets_missing', 'Verification took too long', 400 ) ); |
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107 | } |
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108 | |||
109 | @list( $secret_1, $secret_2, $secret_eol ) = explode( ':', $secrets ); |
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110 | if ( empty( $secret_1 ) || empty( $secret_2 ) || empty( $secret_eol ) || $secret_eol < time() ) { |
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111 | Jetpack_Options::delete_option( $action ); |
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112 | return $this->error( new Jetpack_Error( 'verify_secrets_missing', 'Verification took too long', 400 ) ); |
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113 | } |
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114 | |||
115 | if ( ! hash_equals( $verify_secret, $secret_1 ) ) { |
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116 | Jetpack_Options::delete_option( $action ); |
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117 | return $this->error( new Jetpack_Error( 'verify_secrets_mismatch', 'Secret mismatch', 400 ) ); |
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118 | } |
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119 | |||
120 | Jetpack_Options::delete_option( $action ); |
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121 | |||
122 | return $secret_2; |
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123 | } |
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124 | |||
125 | /** |
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126 | * Wrapper for wp_authenticate( $username, $password ); |
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127 | * |
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128 | * @return WP_User|IXR_Error |
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129 | */ |
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130 | function login() { |
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131 | Jetpack::init()->require_jetpack_authentication(); |
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132 | $user = wp_authenticate( 'username', 'password' ); |
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133 | if ( is_wp_error( $user ) ) { |
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134 | if ( 'authentication_failed' == $user->get_error_code() ) { // Generic error could mean most anything. |
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135 | $this->error = new Jetpack_Error( 'invalid_request', 'Invalid Request', 403 ); |
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136 | } else { |
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137 | $this->error = $user; |
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138 | } |
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139 | return false; |
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140 | } else if ( !$user ) { // Shouldn't happen. |
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141 | $this->error = new Jetpack_Error( 'invalid_request', 'Invalid Request', 403 ); |
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142 | return false; |
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143 | } |
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144 | |||
145 | return $user; |
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146 | } |
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147 | |||
148 | /** |
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149 | * Returns the current error as an IXR_Error |
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150 | * |
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151 | * @return null|IXR_Error |
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152 | */ |
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153 | function error( $error = null ) { |
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154 | if ( !is_null( $error ) ) { |
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155 | $this->error = $error; |
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156 | } |
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157 | |||
158 | if ( is_wp_error( $this->error ) ) { |
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159 | $code = $this->error->get_error_data(); |
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160 | if ( !$code ) { |
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161 | $code = -10520; |
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162 | } |
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163 | $message = sprintf( 'Jetpack: [%s] %s', $this->error->get_error_code(), $this->error->get_error_message() ); |
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164 | return new IXR_Error( $code, $message ); |
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165 | } else if ( is_a( $this->error, 'IXR_Error' ) ) { |
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166 | return $this->error; |
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167 | } |
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168 | |||
169 | return false; |
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170 | } |
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171 | |||
172 | /* API Methods */ |
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173 | |||
174 | /** |
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175 | * Just authenticates with the given Jetpack credentials. |
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176 | * |
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177 | * @return bool|IXR_Error |
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178 | */ |
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179 | function test_connection() { |
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180 | return JETPACK__VERSION; |
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181 | } |
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182 | |||
183 | function test_api_user_code( $args ) { |
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184 | $client_id = (int) $args[0]; |
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185 | $user_id = (int) $args[1]; |
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186 | $nonce = (string) $args[2]; |
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187 | $verify = (string) $args[3]; |
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188 | |||
189 | if ( !$client_id || !$user_id || !strlen( $nonce ) || 32 !== strlen( $verify ) ) { |
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190 | return false; |
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191 | } |
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192 | |||
193 | $user = get_user_by( 'id', $user_id ); |
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194 | if ( !$user || is_wp_error( $user ) ) { |
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195 | return false; |
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196 | } |
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197 | |||
198 | /* debugging |
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199 | error_log( "CLIENT: $client_id" ); |
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200 | error_log( "USER: $user_id" ); |
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201 | error_log( "NONCE: $nonce" ); |
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202 | error_log( "VERIFY: $verify" ); |
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203 | */ |
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204 | |||
205 | $jetpack_token = Jetpack_Data::get_access_token( JETPACK_MASTER_USER ); |
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206 | |||
207 | $api_user_code = get_user_meta( $user_id, "jetpack_json_api_$client_id", true ); |
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208 | if ( !$api_user_code ) { |
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209 | return false; |
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210 | } |
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211 | |||
212 | $hmac = hash_hmac( 'md5', json_encode( (object) array( |
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213 | 'client_id' => (int) $client_id, |
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214 | 'user_id' => (int) $user_id, |
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215 | 'nonce' => (string) $nonce, |
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216 | 'code' => (string) $api_user_code, |
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217 | ) ), $jetpack_token->secret ); |
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218 | |||
219 | if ( $hmac !== $verify ) { |
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220 | return false; |
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221 | } |
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222 | |||
223 | return $user_id; |
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224 | } |
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225 | |||
226 | /** |
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227 | * Disconnect this blog from the connected wordpress.com account |
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228 | * @return boolean |
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229 | */ |
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230 | function disconnect_blog() { |
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231 | Jetpack::log( 'disconnect' ); |
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232 | Jetpack::disconnect(); |
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233 | |||
234 | return true; |
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235 | } |
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236 | |||
237 | /** |
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238 | * Unlink a user from WordPress.com |
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239 | * |
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240 | * This will fail if called by the Master User. |
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241 | */ |
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242 | function unlink_user() { |
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243 | Jetpack::log( 'unlink' ); |
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244 | return Jetpack::unlink_user(); |
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245 | } |
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246 | |||
247 | /** |
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248 | * Returns what features are available. Uses the slug of the module files. |
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249 | * |
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250 | * @return array|IXR_Error |
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251 | */ |
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252 | View Code Duplication | function features_available() { |
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253 | $raw_modules = Jetpack::get_available_modules(); |
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254 | $modules = array(); |
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255 | foreach ( $raw_modules as $module ) { |
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256 | $modules[] = Jetpack::get_module_slug( $module ); |
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257 | } |
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258 | |||
259 | return $modules; |
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260 | } |
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261 | |||
262 | /** |
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263 | * Returns what features are enabled. Uses the slug of the modules files. |
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264 | * |
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265 | * @return array|IXR_Error |
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266 | */ |
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267 | View Code Duplication | function features_enabled() { |
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268 | $raw_modules = Jetpack::get_active_modules(); |
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269 | $modules = array(); |
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270 | foreach ( $raw_modules as $module ) { |
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271 | $modules[] = Jetpack::get_module_slug( $module ); |
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272 | } |
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273 | |||
274 | return $modules; |
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275 | } |
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276 | |||
277 | function get_post( $id ) { |
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278 | if ( !$id = (int) $id ) { |
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279 | return false; |
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280 | } |
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281 | |||
282 | $jetpack = Jetpack::init(); |
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283 | |||
284 | $post = $jetpack->sync->get_post( $id ); |
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285 | return $post; |
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286 | } |
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287 | |||
288 | View Code Duplication | function get_posts( $args ) { |
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289 | list( $post_ids ) = $args; |
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290 | $post_ids = array_map( 'intval', (array) $post_ids ); |
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291 | $jp = Jetpack::init(); |
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292 | $sync_data = $jp->sync->get_content( array( 'posts' => $post_ids ) ); |
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293 | |||
294 | return $sync_data; |
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295 | } |
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296 | |||
297 | function get_comment( $id ) { |
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298 | if ( !$id = (int) $id ) { |
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299 | return false; |
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300 | } |
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301 | |||
302 | $jetpack = Jetpack::init(); |
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303 | |||
304 | $comment = $jetpack->sync->get_comment( $id ); |
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305 | if ( !is_array( $comment ) ) |
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306 | return false; |
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307 | |||
308 | $post = $jetpack->sync->get_post( $comment['comment_post_ID'] ); |
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309 | if ( !$post ) { |
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310 | return false; |
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311 | } |
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312 | |||
313 | return $comment; |
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314 | } |
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315 | |||
316 | View Code Duplication | function get_comments( $args ) { |
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317 | list( $comment_ids ) = $args; |
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318 | $comment_ids = array_map( 'intval', (array) $comment_ids ); |
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319 | $jp = Jetpack::init(); |
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320 | $sync_data = $jp->sync->get_content( array( 'comments' => $comment_ids ) ); |
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321 | |||
322 | return $sync_data; |
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323 | } |
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324 | |||
325 | function update_attachment_parent( $args ) { |
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326 | $attachment_id = (int) $args[0]; |
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327 | $parent_id = (int) $args[1]; |
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328 | |||
329 | return wp_update_post( array( |
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330 | 'ID' => $attachment_id, |
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331 | 'post_parent' => $parent_id, |
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332 | ) ); |
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333 | } |
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334 | |||
335 | function json_api( $args = array() ) { |
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336 | $json_api_args = $args[0]; |
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337 | $verify_api_user_args = $args[1]; |
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338 | |||
339 | $method = (string) $json_api_args[0]; |
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340 | $url = (string) $json_api_args[1]; |
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341 | $post_body = is_null( $json_api_args[2] ) ? null : (string) $json_api_args[2]; |
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342 | $user_details = (array) $json_api_args[4]; |
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343 | $locale = (string) $json_api_args[5]; |
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344 | |||
345 | if ( !$verify_api_user_args ) { |
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346 | $user_id = 0; |
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347 | } elseif ( 'internal' === $verify_api_user_args[0] ) { |
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348 | $user_id = (int) $verify_api_user_args[1]; |
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349 | if ( $user_id ) { |
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350 | $user = get_user_by( 'id', $user_id ); |
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351 | if ( !$user || is_wp_error( $user ) ) { |
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352 | return false; |
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353 | } |
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354 | } |
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355 | } else { |
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356 | $user_id = call_user_func( array( $this, 'test_api_user_code' ), $verify_api_user_args ); |
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357 | if ( !$user_id ) { |
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358 | return false; |
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359 | } |
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360 | } |
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361 | |||
362 | /* debugging |
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363 | error_log( "-- begin json api via jetpack debugging -- " ); |
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364 | error_log( "METHOD: $method" ); |
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365 | error_log( "URL: $url" ); |
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366 | error_log( "POST BODY: $post_body" ); |
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367 | error_log( "VERIFY_ARGS: " . print_r( $verify_api_user_args, 1 ) ); |
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368 | error_log( "VERIFIED USER_ID: " . (int) $user_id ); |
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369 | error_log( "-- end json api via jetpack debugging -- " ); |
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370 | */ |
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371 | |||
372 | if ( 'en' !== $locale ) { |
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373 | // .org mo files are named slightly different from .com, and all we have is this the locale -- try to guess them. |
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374 | $new_locale = $locale; |
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375 | if ( strpos( $locale, '-' ) !== false ) { |
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376 | $pieces = explode( '-', $locale ); |
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377 | $new_locale = $locale_pieces[0]; |
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378 | $new_locale .= ( ! empty( $locale_pieces[1] ) ) ? '_' . strtoupper( $locale_pieces[1] ) : ''; |
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379 | } else { |
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380 | // .com might pass 'fr' because thats what our language files are named as, where core seems |
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381 | // to do fr_FR - so try that if we don't think we can load the file. |
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382 | if ( ! file_exists( WP_LANG_DIR . '/' . $locale . '.mo' ) ) { |
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383 | $new_locale = $locale . '_' . strtoupper( $locale ); |
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384 | } |
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385 | } |
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386 | |||
387 | if ( file_exists( WP_LANG_DIR . '/' . $new_locale . '.mo' ) ) { |
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388 | unload_textdomain( 'default' ); |
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389 | load_textdomain( 'default', WP_LANG_DIR . '/' . $new_locale . '.mo' ); |
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390 | } |
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391 | } |
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392 | |||
393 | $old_user = wp_get_current_user(); |
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394 | wp_set_current_user( $user_id ); |
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395 | |||
396 | $token = Jetpack_Data::get_access_token( get_current_user_id() ); |
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397 | if ( !$token || is_wp_error( $token ) ) { |
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398 | return false; |
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399 | } |
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400 | |||
401 | define( 'REST_API_REQUEST', true ); |
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402 | define( 'WPCOM_JSON_API__BASE', 'public-api.wordpress.com/rest/v1' ); |
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403 | |||
404 | // needed? |
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405 | require_once ABSPATH . 'wp-admin/includes/admin.php'; |
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406 | |||
407 | require_once JETPACK__PLUGIN_DIR . 'class.json-api.php'; |
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408 | $api = WPCOM_JSON_API::init( $method, $url, $post_body ); |
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409 | $api->token_details['user'] = $user_details; |
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410 | require_once JETPACK__PLUGIN_DIR . 'class.json-api-endpoints.php'; |
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411 | |||
412 | $display_errors = ini_set( 'display_errors', 0 ); |
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413 | ob_start(); |
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414 | $content_type = $api->serve( false ); |
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415 | $output = ob_get_clean(); |
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416 | ini_set( 'display_errors', $display_errors ); |
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417 | |||
418 | $nonce = wp_generate_password( 10, false ); |
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419 | $hmac = hash_hmac( 'md5', $nonce . $output, $token->secret ); |
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420 | |||
421 | wp_set_current_user( isset( $old_user->ID ) ? $old_user->ID : 0 ); |
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422 | |||
423 | return array( |
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424 | (string) $output, |
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425 | (string) $nonce, |
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426 | (string) $hmac, |
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427 | ); |
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428 | } |
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429 | } |
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430 |
If you suppress an error, we recommend checking for the error condition explicitly: