1 | <?php |
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2 | |
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3 | /** |
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4 | * @file index.php |
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5 | * @brief OpenGnsys REST API: common functions and routes |
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6 | * @warning All input and output messages are formatted in JSON. |
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7 | * @note Some ideas are based on article "How to create REST API for Android app using PHP, Slim and MySQL" by Ravi Tamada, thanx. |
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8 | * @license GNU GPLv3+ |
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9 | * @author Ramón M. Gómez, ETSII Univ. Sevilla |
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10 | * @version 1.1.0 - First version |
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11 | * @date 2016-11-17 |
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12 | */ |
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13 | |
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14 | |
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15 | // Common constants. |
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16 | define('REST_LOGFILE', '/opt/opengnsys/log/rest.log'); |
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17 | define('VERSION_FILE', '/opt/opengnsys/doc/VERSION.json'); |
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18 | |
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19 | // Set time zone. |
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20 | if (function_exists("date_default_timezone_set")) { |
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21 | if (exec("timedatectl status | awk '/Time zone/ {print $3}'", $out, $err)) { |
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22 | date_default_timezone_set($out[0]); |
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23 | } |
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24 | } |
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25 | |
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26 | // Common functions. |
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27 | |
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28 | /** |
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29 | * @brief Function to write a line into log file. |
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30 | * @param string message Message to log. |
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31 | * warning Line format: "Date: ClientIP: UserId: Status: Method Route: Message" |
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32 | */ |
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33 | function writeRestLog($message = "") |
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34 | { |
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35 | global $userid; |
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36 | if (is_writable(REST_LOGFILE)) { |
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37 | $app = \Slim\Slim::getInstance(); |
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38 | file_put_contents( |
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39 | REST_LOGFILE, |
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40 | date(DATE_ISO8601) . ": " . |
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41 | $_SERVER['REMOTE_ADDR'] . ": " . |
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42 | (isset($userid) ? $userid : "-") . ": " . |
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43 | $app->response->getStatus() . ": " . |
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44 | $app->request->getMethod() . " " . |
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45 | $app->request->getPathInfo() . ": $message\n", |
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46 | FILE_APPEND |
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47 | ); |
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48 | } |
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49 | } |
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50 | |
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51 | /** |
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52 | * @brief Compose JSON response. |
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53 | * @param int status Status code for HTTP response. |
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54 | * @param array response Response data. |
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55 | * @param int opts Options to encode JSON data. |
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56 | * @return string JSON response. |
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57 | */ |
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58 | function jsonResponse($status, $response, $opts = 0) |
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59 | { |
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60 | $app = \Slim\Slim::getInstance(); |
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61 | // HTTP status code. |
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62 | $app->status($status); |
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63 | // Content-type HTTP header. |
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64 | $app->contentType('application/json; charset=utf-8'); |
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65 | // JSON response. |
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66 | echo json_encode($response, $opts); |
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67 | } |
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68 | |
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69 | /** |
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70 | * @brief Print immediately JSON response to continue processing. |
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71 | * @param int status Status code for HTTP response. |
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72 | * @param array response Response data. |
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73 | * @param int opts Options to encode JSON data. |
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74 | * @return string JSON response. |
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75 | */ |
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76 | function jsonResponseNow($status, $response, $opts = 0) |
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77 | { |
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78 | // Compose headers and content. |
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79 | ignore_user_abort(); |
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80 | http_response_code((int)$status); |
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81 | header('Content-type: application/json; charset=utf-8'); |
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82 | ob_start(); |
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83 | echo json_encode($response, $opts); |
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84 | $size = ob_get_length(); |
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85 | header("Content-Length: $size"); |
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86 | // Print content. |
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87 | ob_end_flush(); |
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88 | flush(); |
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89 | session_write_close(); |
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90 | } |
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91 | |
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92 | /** |
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93 | * @brief Validate API key included in "Authorization" HTTP header. |
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94 | * @return string JSON response on error. |
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95 | */ |
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96 | function validateApiKey() |
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97 | { |
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98 | global $cmd; |
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99 | global $userid; |
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100 | $response = []; |
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101 | $app = \Slim\Slim::getInstance(); |
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102 | // Read Authorization HTTP header. |
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103 | if (!empty($_SERVER['HTTP_AUTHORIZATION'])) { |
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104 | // Assign user id. that match this key to global variable. |
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105 | $apikey = htmlspecialchars($_SERVER['HTTP_AUTHORIZATION']); |
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106 | $cmd->texto = "SELECT idusuario |
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107 | FROM usuarios |
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108 | WHERE apikey='$apikey' LIMIT 1"; |
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109 | $rs = new Recordset; |
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110 | $rs->Comando = &$cmd; |
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111 | if ($rs->Abrir()) { |
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112 | $rs->Primero(); |
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113 | if (!$rs->EOF) { |
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114 | // Fetch user id. |
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115 | $userid = $rs->campos["idusuario"]; |
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116 | } else { |
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117 | // Credentials error. |
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118 | $response['message'] = 'Login failed, incorrect credentials'; |
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119 | jsonResponse(401, $response); |
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120 | $app->stop(); |
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121 | } |
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122 | $rs->Cerrar(); |
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123 | } else { |
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124 | // Database error. |
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125 | $response['message'] = "An error occurred, please try again"; |
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126 | jsonResponse(500, $response); |
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127 | } |
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128 | } else { |
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129 | // Error: missing API key. |
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130 | $response['message'] = 'Missing API key'; |
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131 | jsonResponse(400, $response); |
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132 | $app->stop(); |
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133 | } |
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134 | } |
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135 | |
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136 | /** |
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137 | * @brief Check if parameter is set and print error messages if empty. |
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138 | * @param string param Parameter to check. |
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139 | * @return boolean "false" if parameter is null, otherwise "true". |
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140 | */ |
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141 | function checkParameter($param) |
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142 | { |
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143 | $response = []; |
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144 | if (isset($param)) { |
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145 | return true; |
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146 | } else { |
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147 | // Print error message. |
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148 | $response['message'] = 'Parameter not found'; |
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149 | jsonResponse(400, $response); |
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150 | return false; |
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151 | } |
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152 | } |
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153 | |
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154 | /** |
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155 | * @brief Check if all parameters are positive integer numbers. |
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156 | * @param int id ... Identificators to check (variable number of parameters). |
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157 | * @return boolean "true" if all ids are int>0, otherwise "false". |
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158 | */ |
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159 | function checkIds() |
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160 | { |
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161 | $opts = ['options' => ['min_range' => 1]]; // Check for int>0 |
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162 | foreach (func_get_args() as $id) { |
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163 | if (filter_var($id, FILTER_VALIDATE_INT, $opts) === false) { |
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164 | return false; |
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165 | } |
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166 | } |
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167 | return true; |
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168 | } |
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169 | |
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170 | /** |
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171 | * @brief Show custom message for "not found" error (404). |
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172 | */ |
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173 | $app->notFound( |
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174 | function () { |
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175 | $response['message'] = 'REST route not found'; |
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176 | jsonResponse(404, $response); |
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177 | } |
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178 | ); |
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179 | |
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180 | /** |
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181 | * @brief Hook to write an error log message and a REST exit log message if debug is enabled. |
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182 | * @warning Error message will be written in web server's error file. |
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183 | * @warning REST message will be written in REST log file. |
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184 | */ |
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185 | $app->hook( |
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186 | 'slim.after', |
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187 | function () use ($app) { |
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188 | $max_body_len_to_log = 150; |
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189 | if ($app->response->getStatus() != 200) { |
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190 | // Compose error message (truncating long lines). |
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191 | $app->log->error(date(DATE_ISO8601) . ': ' . |
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192 | $app->getName() . ': ' . |
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193 | $_SERVER['REMOTE_ADDR'] . ": " . |
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194 | (isset($userid) ? $userid : "-") . ": " . |
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195 | $app->response->getStatus() . ': ' . |
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196 | $app->request->getMethod() . ' ' . |
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197 | $app->request->getPathInfo() . ': ' . |
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198 | substr($app->response->getBody(), 0, 100)); |
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199 | } |
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200 | if ($app->settings['debug']) { |
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201 | $body = $app->response->getBody(); |
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202 | if (strlen($body) > $max_body_len_to_log) { |
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203 | $body = substr($body, 0, $max_body_len_to_log) . '... (output has been truncated)'; |
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204 | } |
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205 | writeRestLog($body); |
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206 | } |
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207 | } |
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208 | ); |
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209 | |
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210 | |
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211 | // Common routes. |
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212 | |
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213 | /** |
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214 | * @brief Get general server information |
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215 | * @note Route: /info, Method: GET |
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216 | * @return string JSON object with basic server information (version, services, etc.) |
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217 | */ |
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218 | $app->get( |
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219 | '/info', |
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220 | function () { |
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221 | $hasOglive = false; |
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222 | $response = new \stdClass; |
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223 | // Reading version file. |
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224 | $data = json_decode(@file_get_contents(VERSION_FILE)); |
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225 | if (isset($data->project)) { |
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226 | $response = $data; |
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227 | } else { |
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228 | $response->project = 'OpenGnsys'; |
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229 | } |
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230 | // Getting actived services. |
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231 | @$services = parse_ini_file('/etc/default/opengnsys'); |
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232 | $response->services = []; |
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233 | if (@$services["RUN_OGADMSERVER"] === "yes") { |
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234 | array_push($response->services, "server"); |
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235 | $hasOglive = true; |
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236 | } |
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237 | if (@$services["RUN_OGADMREPO"] === "yes") array_push($response->services, "repository"); |
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238 | if (@$services["RUN_BTTRACKER"] === "yes") array_push($response->services, "tracker"); |
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239 | // Reading installed ogLive information file. |
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240 | if ($hasOglive === true) { |
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241 | $data = json_decode(@file_get_contents('/opt/opengnsys/etc/ogliveinfo.json')); |
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242 | if (isset($data->oglive)) { |
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243 | $response->oglive = $data->oglive; |
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244 | } |
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245 | } |
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246 | jsonResponse(200, $response); |
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247 | } |
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248 | ); |
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249 | |
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250 | |
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251 | function backupConfig() |
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252 | { |
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253 | $get_command = 'config-get'; |
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254 | $get_output = executeCurlCommand($get_command); |
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255 | if ($get_output == false || $get_output[0]["result"] != 0) { |
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256 | throw new Exception('Error al obtener la configuración actual de Kea DHCP'); |
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257 | } |
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258 | $config_text = json_encode($get_output[0]['arguments']); |
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259 | $configurationParsed = str_replace('\\', '', $config_text); |
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260 | |
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261 | $backup_dir = '/opt/opengnsys/etc/kea/backup'; |
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262 | if (!is_dir($backup_dir)) { |
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263 | throw new Exception('El directorio de backup no existe'); |
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264 | } |
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265 | if (!is_writable($backup_dir)) { |
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266 | throw new Exception('El directorio de backup no tiene permisos de escritura'); |
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267 | } |
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268 | $backup_files = glob($backup_dir . '/*.conf'); |
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269 | if (count($backup_files) >= 10) { |
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270 | usort($backup_files, function ($a, $b) { |
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271 | return filemtime($a) - filemtime($b); |
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272 | }); |
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273 | unlink($backup_files[0]); |
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274 | } |
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275 | $backup_file = $backup_dir . '/' . date('Y-m-d_H-i-s') . '.conf'; |
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276 | if (!file_put_contents($backup_file, $configurationParsed)) { |
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277 | throw new Exception('Error al guardar la configuración de backup'); |
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278 | } |
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279 | } |
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280 | |
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281 | function executeCurlCommand($command, $arguments = null, $create_backup = true) |
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282 | { |
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283 | $apiUrl = getenv('DHCP_IP'); |
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284 | if (!$apiUrl) { |
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285 | $apiUrl = 'http://localhost:8000/'; |
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286 | } |
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287 | |
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288 | if ($command == 'config-get' || $command == 'config-write') { |
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289 | $requestData = array( |
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290 | 'command' => $command, |
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291 | 'service' => array('dhcp4'), |
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292 | ); |
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293 | } elseif ($command == 'config-set' || $command == 'config-test') { |
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294 | $requestData = array( |
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295 | 'command' => $command, |
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296 | 'service' => array('dhcp4'), |
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297 | 'arguments' => $arguments, |
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298 | ); |
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299 | } else { |
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300 | return "Error: Comando no válido"; |
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301 | } |
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302 | if (($command == 'config-set' || $command == 'config-write') && $create_backup) { |
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303 | backupConfig(); |
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304 | } |
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305 | $jsonData = json_encode($requestData); |
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306 | try { |
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307 | $ch = curl_init(); |
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308 | curl_setopt($ch, CURLOPT_URL, $apiUrl); |
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309 | curl_setopt($ch, CURLOPT_POST, 1); |
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310 | curl_setopt($ch, CURLOPT_POSTFIELDS, $jsonData); |
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311 | curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); |
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312 | curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json', 'Expect:')); |
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313 | curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false); |
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314 | curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); |
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315 | curl_setopt($ch, CURLOPT_TIMEOUT, 10); |
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316 | curl_setopt($ch, CURLOPT_POST, true); |
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317 | $response = curl_exec($ch); |
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318 | $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE); |
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319 | $output = json_decode($response, true); |
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320 | |
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321 | if ($httpCode >= 200 && $httpCode < 300) { |
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322 | |
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323 | return $output; |
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324 | } else { |
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325 | $error = curl_error($ch); |
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326 | throw new Exception($error); |
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327 | //return false; |
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328 | } |
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329 | } catch (Exception $e) { |
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330 | throw new Exception($e->getMessage()); |
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331 | } |
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332 | } |
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333 | |
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334 | |
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335 | /** |
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336 | * @brief Get configuration of kea dhcp server |
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337 | * @note Route: /dhcp, Method: GET |
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338 | * @return string JSON object with all kea configuration |
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339 | */ |
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340 | $app->get('/dhcp', function () { |
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341 | try { |
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342 | $response = executeCurlCommand('config-get'); |
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343 | |
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344 | if (!$response) { |
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345 | $responseError = 'Error: No se pudo acceder al archivo dhcpd.conf'; |
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346 | jsonResponse(400, $responseError); |
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347 | } else { |
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348 | $result_code = $response[0]["result"]; |
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349 | if ($result_code == 0) { |
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350 | $arrayDhcp4 = $response[0]['arguments']; |
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351 | jsonResponse(200, $arrayDhcp4, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |
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352 | } else { |
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353 | $responseError = "Error kea configuration invalid: " . $response[0]["text"]; |
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354 | jsonResponse(400, $responseError); |
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355 | } |
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356 | } |
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357 | } catch (Exception $e) { |
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358 | $responseError = "Error al obtener la configuración de Kea DHCP: " . $e->getMessage(); |
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359 | jsonResponse(400, $responseError); |
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360 | } |
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361 | }); |
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362 | |
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363 | /** |
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364 | * @brief Get hosts from kea configuration |
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365 | * @note Route: /dhcp/hosts, Method: GET |
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366 | * @return string JSON object with all hosts in kea configuration |
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367 | */ |
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368 | |
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369 | $app->get('/dhcp/hosts', function () { |
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370 | try { |
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371 | $response = executeCurlCommand('config-get'); |
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372 | |
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373 | if (!$response) { |
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374 | $responseError = 'Error: No se pudo acceder al archivo dhcpd.conf'; |
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375 | jsonResponse(400, $response); |
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376 | } else { |
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377 | $result_code = $response[0]["result"]; |
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378 | if ($result_code == 0) { |
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379 | if (!isset($response[0]['arguments']['Dhcp4']['reservations'])) { |
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380 | $responseError = 'El campo \'reservations\' no está inicializado'; |
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381 | jsonResponse(400, $responseError); |
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382 | } else { |
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383 | $arrayReservations = $response[0]['arguments']['Dhcp4']['reservations']; |
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384 | jsonResponse(200, $arrayReservations, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE); |
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385 | } |
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386 | } else { |
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387 | $responseError = "Error kea configuration invalid: " . $response[0]["text"]; |
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388 | jsonResponse(400, $responseError); |
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389 | } |
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390 | } |
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391 | } catch (Exception $e) { |
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392 | $responseError = "Error al obtener la configuración de Kea DHCP: " . $e->getMessage(); |
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393 | jsonResponse(400, $responseError); |
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394 | } |
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395 | }); |
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396 | |
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397 | /** |
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398 | * @brief Update kea configuration |
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399 | * @note Route: /dhcp/save, Method: POST |
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400 | * @param string configurationText |
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401 | * @return string JSON object with all hosts in kea configuration |
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402 | */ |
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403 | |
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404 | $app->post('/dhcp/save', function () use ($app) { |
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405 | try { |
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406 | $input = json_decode($app->request()->getBody()); |
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407 | $configurationText = htmlspecialchars($input->configurationText); |
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408 | } catch (Exception $e) { |
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409 | $response["message"] = $e->getMessage(); |
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410 | jsonResponse(400, $response); |
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411 | $app->stop(); |
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412 | } |
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413 | |
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414 | $configurationParsed = str_replace(' ', '', $configurationText); |
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415 | $configurationParsed = str_replace("\n", '', $configurationParsed); |
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416 | $configurationParsed = str_replace('"', '"', $configurationParsed); |
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417 | $configuration = json_decode($configurationParsed); |
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418 | |
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419 | if ($configuration === null || json_last_error() !== JSON_ERROR_NONE) { |
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420 | $responseError = "Error: El texto proporcionado no es un JSON válido."; |
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421 | jsonResponse(400, $responseError); |
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422 | } else { |
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423 | try { |
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424 | $responseTest = executeCurlCommand('config-test', $configuration); |
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425 | if ($responseTest[0]["result"] == 0) { |
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426 | $responseSet = executeCurlCommand('config-set', $configuration); |
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427 | if ($responseSet == false || $responseSet[0]["result"] != 0) { |
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428 | $responseError = "Error al guardar la configuración en Kea DHCP: " . $responseSet[0]["text"]; |
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429 | jsonResponse(400, $responseError); |
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430 | } else { |
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431 | $responseSuccess = "Configuración cargada correctamente"; |
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432 | jsonResponse(200, $responseSuccess); |
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433 | } |
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434 | } else { |
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435 | $responseError = "Error al guardar la configuración en Kea DHCP: " . $responseTest[0]["text"]; |
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436 | jsonResponse(400, $responseError); |
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437 | } |
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438 | } catch (Exception $e) { |
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439 | $responseError = "Error al obtener la configuración de Kea DHCP: " . $e->getMessage(); |
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440 | jsonResponse(400, $responseError); |
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441 | } |
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442 | } |
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443 | }); |
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444 | |
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445 | |
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446 | $app->post( |
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447 | '/dhcp/add', |
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448 | function () use ($app) { |
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449 | try { |
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450 | $input = json_decode($app->request()->getBody()); |
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451 | $host = htmlspecialchars($input->host); |
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452 | $macAddress = htmlspecialchars($input->macAddress); |
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453 | $address = htmlspecialchars($input->address); |
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454 | $nextServer = htmlspecialchars($input->nextServer); |
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455 | } catch (Exception $e) { |
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456 | $response["message"] = $e->getMessage(); |
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457 | jsonResponse(400, $response); |
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458 | $app->stop(); |
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459 | } |
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460 | try { |
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461 | $response = executeCurlCommand('config-get'); |
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462 | $nuevoHost = [ |
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463 | "hostname" => $host, |
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464 | "hw-address" => $macAddress, |
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465 | "ip-address" => $address, |
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466 | "next-server" => $nextServer |
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467 | ]; |
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468 | //En caso de que no esté declarado el array de reservations, lo inicializamos |
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469 | if (!isset($response[0]['arguments']['Dhcp4']['reservations'])) { |
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470 | $response[0]['arguments']['Dhcp4']['reservations'] = []; |
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471 | } |
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472 | $existe = False; |
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473 | $existe = array_reduce($response[0]['arguments']['Dhcp4']['reservations'], function ($existe, $reserva) use ($host) { |
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474 | return $existe || ($reserva['hostname'] === $host); |
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475 | }); |
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476 | |
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477 | if ($existe) { |
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478 | $response = "Error: El host con el hostname '$host' ya existe en las reservaciones."; |
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479 | jsonResponse(400, $response); |
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480 | } else { |
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481 | $response[0]['arguments']['Dhcp4']['reservations'][] = $nuevoHost; |
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482 | $array_encoded = json_encode($response[0]['arguments']); |
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483 | $configurationParsed = str_replace('\\', '', $array_encoded); |
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484 | $configuration = json_decode($configurationParsed); |
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485 | $responseTest = executeCurlCommand('config-test', $configuration); |
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486 | |
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487 | if ($responseTest[0]["result"] == 0) { |
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488 | $responseSet = executeCurlCommand('config-set', $configuration); |
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489 | if ($responseSet == false || $responseSet[0]["result"] != 0) { |
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490 | $responseError = "Error al guardar la configuración en Kea DHCP: " . $responseSet[0]["text"]; |
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491 | jsonResponse(400, $responseError); |
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492 | } else { |
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493 | $responseSuccess = "Configuración cargada correctamente"; |
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494 | jsonResponse(200, $responseSuccess); |
---|
495 | } |
---|
496 | } else { |
---|
497 | $responseError = "Error kea configuration invalid: " . $responseTest[0]["text"]; |
---|
498 | jsonResponse(400, $responseError); |
---|
499 | } |
---|
500 | } |
---|
501 | } catch (Exception $e) { |
---|
502 | $responseError = "Error al obtener la configuración de Kea DHCP: " . $e->getMessage(); |
---|
503 | jsonResponse(400, $responseError); |
---|
504 | } |
---|
505 | } |
---|
506 | ); |
---|
507 | |
---|
508 | |
---|
509 | $app->post( |
---|
510 | '/dhcp/delete', |
---|
511 | function () use ($app) { |
---|
512 | try { |
---|
513 | $input = json_decode($app->request()->getBody()); |
---|
514 | $host = htmlspecialchars($input->host); |
---|
515 | } catch (Exception $e) { |
---|
516 | $response["message"] = $e->getMessage(); |
---|
517 | jsonResponse(400, $response); |
---|
518 | $app->stop(); |
---|
519 | } |
---|
520 | try { |
---|
521 | $response = executeCurlCommand('config-get'); |
---|
522 | $existe = False; |
---|
523 | |
---|
524 | if (isset($response[0]['arguments']['Dhcp4']['reservations'])) { |
---|
525 | foreach ($response[0]['arguments']['Dhcp4']['reservations'] as $key => $reservation) { |
---|
526 | if (isset($reservation['hostname']) && $reservation['hostname'] === $host) { |
---|
527 | unset($response[0]['arguments']['Dhcp4']['reservations'][$key]); |
---|
528 | $existe = True; |
---|
529 | $response[0]['arguments']['Dhcp4']['reservations'] = array_values($response[0]['arguments']['Dhcp4']['reservations']); |
---|
530 | break; |
---|
531 | } |
---|
532 | } |
---|
533 | if ($existe) { |
---|
534 | $array_encoded = json_encode($response[0]['arguments']); |
---|
535 | $configurationParsed = str_replace('\\', '', $array_encoded); |
---|
536 | $configuration = json_decode($configurationParsed); |
---|
537 | |
---|
538 | $responseTest = executeCurlCommand('config-test', $configuration); |
---|
539 | if ($response[0]["result"] == 0) { |
---|
540 | $responseSet = executeCurlCommand('config-set', $configuration); |
---|
541 | if ($responseSet == false || $responseSet[0]["result"] != 0) { |
---|
542 | $responseError = "Error al guardar la configuración en Kea DHCP: " . $responseSet[0]["text"]; |
---|
543 | jsonResponse(400, $responseError); |
---|
544 | } else { |
---|
545 | $responseSuccess = "Configuración cargada correctamente"; |
---|
546 | jsonResponse(200, $responseSuccess); |
---|
547 | } |
---|
548 | } else { |
---|
549 | $responseError = "Error al guardar la configuración en Kea DHCP: " . $responseTest[0]["text"]; |
---|
550 | jsonResponse(400, $responseError); |
---|
551 | } |
---|
552 | } else { |
---|
553 | $responseError = "Error: El host con el hostname '$host' no existe en las reservaciones."; |
---|
554 | jsonResponse(400, $responseError); |
---|
555 | } |
---|
556 | } else { |
---|
557 | $responseError = 'El campo \'reservations\' no está inicializado'; |
---|
558 | jsonResponse(400, $responseError); |
---|
559 | } |
---|
560 | } catch (Exception $e) { |
---|
561 | $responseError = "Error al obtener la configuración de Kea DHCP: " . $e->getMessage(); |
---|
562 | jsonResponse(400, $responseError); |
---|
563 | } |
---|
564 | } |
---|
565 | ); |
---|
566 | |
---|
567 | $app->post( |
---|
568 | '/dhcp/update', |
---|
569 | function () use ($app) { |
---|
570 | try { |
---|
571 | $input = json_decode($app->request()->getBody()); |
---|
572 | $host = htmlspecialchars($input->host); |
---|
573 | $oldMacAddress = htmlspecialchars($input->oldMacAddress); |
---|
574 | $oldAddress = htmlspecialchars($input->oldAddress); |
---|
575 | $macAddress = htmlspecialchars($input->macAddress); |
---|
576 | $address = htmlspecialchars($input->address); |
---|
577 | $nextServer = htmlspecialchars($input->nextServer); |
---|
578 | } catch (Exception $e) { |
---|
579 | $response["message"] = $e->getMessage(); |
---|
580 | jsonResponse(400, $response); |
---|
581 | $app->stop(); |
---|
582 | } |
---|
583 | try { |
---|
584 | $response = executeCurlCommand('config-get'); |
---|
585 | $existe = False; |
---|
586 | if (isset($response[0]['arguments']['Dhcp4']['reservations'])) { |
---|
587 | foreach ($response[0]['arguments']['Dhcp4']['reservations'] as &$reservation) { |
---|
588 | if ($reservation['hw-address'] == $oldMacAddress && $reservation['ip-address'] == $oldAddress) { |
---|
589 | $existe = True; |
---|
590 | $reservation['hw-address'] = $macAddress; |
---|
591 | $reservation['ip-address'] = $address; |
---|
592 | $reservation['hostname'] = $host; |
---|
593 | $reservation['next-server'] = $nextServer; |
---|
594 | |
---|
595 | $array_encoded = json_encode($response[0]['arguments']); |
---|
596 | $configurationParsed = str_replace('\\', '', $array_encoded); |
---|
597 | $configuration = json_decode($configurationParsed); |
---|
598 | $responseTest = executeCurlCommand('config-test', $configuration); |
---|
599 | |
---|
600 | if ($responseTest[0]["result"] == 0) { |
---|
601 | $responseSet = executeCurlCommand('config-set', $configuration); |
---|
602 | if ($responseSet == false && $responseSet[0]["result"] != 0) { |
---|
603 | $responseError = "Error al guardar la configuración en Kea DHCP: " . $responseSet[0]["text"]; |
---|
604 | jsonResponse(400, $responseError); |
---|
605 | } else { |
---|
606 | $responseSuccess = "Configuración cargada correctamente"; |
---|
607 | jsonResponse(200, $responseSuccess); |
---|
608 | } |
---|
609 | } else { |
---|
610 | $responseError = "Error al guardar la configuración en Kea DHCP: " . $responseTest[0]["text"]; |
---|
611 | jsonResponse(400, $responseError); |
---|
612 | } |
---|
613 | } |
---|
614 | } |
---|
615 | if (!$existe) { |
---|
616 | $responseError = "Error: La IP " . $oldAddress . " y la MAC " . $oldMacAddress . " no existe en las reservaciones."; |
---|
617 | |
---|
618 | jsonResponse(400, $responseError); |
---|
619 | } |
---|
620 | } else { |
---|
621 | $responseError = 'El campo \'reservations\' no está inicializado'; |
---|
622 | jsonResponse(400, $responseError); |
---|
623 | } |
---|
624 | } catch (Exception $e) { |
---|
625 | $responseError = "Error al obtener la configuración de Kea DHCP: " . $e->getMessage(); |
---|
626 | jsonResponse(400, $responseError); |
---|
627 | } |
---|
628 | } |
---|
629 | ); |
---|
630 | |
---|
631 | $app->post( |
---|
632 | '/dhcp/apply', |
---|
633 | function () use ($app) { |
---|
634 | try { |
---|
635 | $response = executeCurlCommand('config-write'); |
---|
636 | if ($response[0]["result"] == 0) { |
---|
637 | jsonResponse(200, $response); |
---|
638 | } else { |
---|
639 | $responseError = "Error al escribir la configuración en Kea DHCP: " . $response[0]["text"]; |
---|
640 | jsonResponse(400, $responseError); |
---|
641 | } |
---|
642 | } catch (Exception $e) { |
---|
643 | $responseError = "Error al escribir la configuración en Kea DHCP: " . $e->getMessage(); |
---|
644 | jsonResponse(400, $responseError); |
---|
645 | } |
---|
646 | } |
---|
647 | ); |
---|
648 | |
---|
649 | |
---|
650 | |
---|
651 | /** |
---|
652 | * @brief Restore kea configuration. |
---|
653 | * @note Route: /dhcp/backup, Method: POST |
---|
654 | * @return string Result of operation. |
---|
655 | * @note All modifications in kea configuration is stored"/opt/opengnsys/etc/kea/backup" directory. |
---|
656 | */ |
---|
657 | |
---|
658 | $app->post('/dhcp/backup', function () use ($app) { |
---|
659 | $backup_dir = '/opt/opengnsys/etc/kea/backup'; |
---|
660 | try { |
---|
661 | $backup_files = glob($backup_dir . '/*.conf'); |
---|
662 | if (empty($backup_files)) { |
---|
663 | $response = "No se encontraron archivos de backup"; |
---|
664 | jsonResponse(400, $response); |
---|
665 | } else { |
---|
666 | usort($backup_files, function ($a, $b) { |
---|
667 | return filemtime($b) - filemtime($a); |
---|
668 | }); |
---|
669 | $backup_file = reset($backup_files); |
---|
670 | $config = file_get_contents($backup_file); |
---|
671 | $configuration = json_decode($config); |
---|
672 | |
---|
673 | $test_command = 'config-test'; |
---|
674 | $test_output = executeCurlCommand($test_command, $configuration); |
---|
675 | if ($test_output == false || $test_output[0]["result"] != 0) { |
---|
676 | $responseError = "Error al comprobar la configuración de Kea: " . $test_output[0]["text"]; |
---|
677 | jsonResponse(400, $responseError); |
---|
678 | } else { |
---|
679 | $set_command = 'config-set'; |
---|
680 | $set_output = executeCurlCommand($set_command, $configuration, false); |
---|
681 | if ($set_output == false || $set_output[0]["result"] != 0) { |
---|
682 | $responseError = "Error al guardar la última configuración de Kea: " . $set_output[0]["text"]; |
---|
683 | jsonResponse(400, $responseError); |
---|
684 | } else { |
---|
685 | unlink($backup_file); |
---|
686 | $responseSuccess = "última configuración cargada correctamente"; |
---|
687 | jsonResponse(200, $responseSuccess); |
---|
688 | } |
---|
689 | } |
---|
690 | } |
---|
691 | } catch (Exception $e) { |
---|
692 | $responseError = "Error al restaurar la configuración: " . $e->getMessage(); |
---|
693 | jsonResponse(400, $responseError); |
---|
694 | } |
---|
695 | }); |
---|
696 | |
---|
697 | |
---|
698 | |
---|
699 | /** |
---|
700 | * @brief Upload kea configuration file. |
---|
701 | * @note Route: /dhcp/upload, Method: POST |
---|
702 | * @param File file. |
---|
703 | * @return string Route of stored file. |
---|
704 | */ |
---|
705 | |
---|
706 | $app->post('/dhcp/upload', function () use ($app) { |
---|
707 | if (!isset($_FILES['file_input_name'])) { |
---|
708 | $responseError = "No se ha subido ningún archivo"; |
---|
709 | jsonResponse(400, $responseError); |
---|
710 | return; |
---|
711 | } |
---|
712 | |
---|
713 | $file_path = $_FILES['file_input_name']['tmp_name']; |
---|
714 | $json_data = file_get_contents($file_path); |
---|
715 | $config_data = json_decode($json_data, true); |
---|
716 | if (json_last_error() !== JSON_ERROR_NONE) { |
---|
717 | $responseError = "El archivo JSON subido no está correctamente escrito"; |
---|
718 | jsonResponse(400, $responseError); |
---|
719 | } |
---|
720 | try { |
---|
721 | $test_command = 'config-test'; |
---|
722 | $test_output = executeCurlCommand($test_command, $config_data); |
---|
723 | if ($test_output == false || $test_output[0]["result"] != 0) { |
---|
724 | $responseError = "La configuración no es válida"; |
---|
725 | jsonResponse(400, $responseError); |
---|
726 | } else { |
---|
727 | $set_command = 'config-set'; |
---|
728 | $set_output = executeCurlCommand($set_command, $config_data); |
---|
729 | if ($test_output == false || $test_output[0]["result"] != 0) { |
---|
730 | $responseError = "Error al guardar la configuración en Kea DHCP"; |
---|
731 | jsonResponse(400, $responseError); |
---|
732 | http_response_code(400); |
---|
733 | } else { |
---|
734 | $responseSuccess = "Configuración cargada correctamente en el fichero: " . $file_path;; |
---|
735 | jsonResponse(200, $responseSuccess); |
---|
736 | http_response_code(200); |
---|
737 | } |
---|
738 | } |
---|
739 | } catch (Exception $e) { |
---|
740 | $responseError = "Error al obtener la configuración de Kea DHCP: " . $e->getMessage(); |
---|
741 | jsonResponse(400, $responseError); |
---|
742 | } |
---|
743 | }); |
---|
744 | |
---|
745 | |
---|
746 | |
---|
747 | |
---|
748 | /** |
---|
749 | * @brief Get the server status |
---|
750 | * @note Route: /status, Method: GET |
---|
751 | * @return string JSON object with all data collected from server status (RAM, %CPU, etc.). |
---|
752 | */ |
---|
753 | $app->get( |
---|
754 | '/status', |
---|
755 | function () { |
---|
756 | $response = []; |
---|
757 | // Getting memory and CPU information. |
---|
758 | exec("awk '$1~/Mem/ {print $2}' /proc/meminfo", $memInfo); |
---|
759 | $memInfo = array("total" => $memInfo[0], "used" => $memInfo[1]); |
---|
760 | $cpuInfo = exec("awk '$1==\"cpu\" {printf \"%.2f\",($2+$4)*100/($2+$4+$5)}' /proc/stat"); |
---|
761 | $cpuModel = exec("awk -F: '$1~/model name/ {print $2}' /proc/cpuinfo"); |
---|
762 | $response["memInfo"] = $memInfo; |
---|
763 | $response["cpu"] = array("model" => trim($cpuModel), "usage" => $cpuInfo); |
---|
764 | jsonResponse(200, $response); |
---|
765 | } |
---|
766 | ); |
---|