1 | <?php |
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2 | /** |
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3 | * @file remotepc.php |
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4 | * @brief OpenGnsys Server REST API consumed by UDS Server for Remote PC implementation. |
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5 | * @warning All input and output messages are formatted in JSON. |
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6 | * @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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7 | * @license GNU GPLv3+ |
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8 | * @author Ramón M. Gómez, ETSII Univ. Sevilla |
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9 | * @version 1.1.0 - First version |
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10 | * @date 2017-02-01 |
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11 | */ |
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12 | |
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13 | // OGAgent sessions log file. |
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14 | define('REMOTEPC_LOGFILE', '/opt/opengnsys/log/remotepc.log'); |
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15 | |
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16 | // Function to write a line into log file. |
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17 | function writeRemotepcLog($message = "") { |
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18 | file_put_contents(REMOTEPC_LOGFILE, date(DATE_ISO8601).": $message\n", FILE_APPEND); |
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19 | } |
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20 | |
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21 | |
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22 | // REST routes. |
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23 | |
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24 | /** |
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25 | * @brief Reserve a client with an installed image and the older reservation time, then send a boot/reboot operation depending on its status. |
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26 | * @warning If "lab" parameter is specified, then choose a client from this lab. |
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27 | * @note Route: /ous/:ouid/images/:imageid/reserve, Method: POST |
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28 | * @param integer ouid OU identificator |
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29 | * @param integer imageid image identificator |
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30 | * @note Input JSON message: {"labid":int_labid,"maxtime":int_hours} |
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31 | */ |
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32 | $app->post('/ous/:ouid/images/:imageid/reserve(/)', 'validateApiKey', |
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33 | function($ouid, $imageid) use ($app) { |
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34 | global $cmd; |
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35 | global $AMBITO_ORDENADORES; |
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36 | global $EJECUCION_COMANDO; |
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37 | global $ACCION_INICIADA; |
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38 | global $ACCION_FINALIZADA; |
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39 | global $ACCION_SINRESULTADO; |
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40 | global $ACCION_FALLIDA; |
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41 | global $userid; |
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42 | $response = Array(); |
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43 | $ogagent = Array(); |
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44 | |
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45 | if ($app->settings['debug']) |
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46 | writeRemotepcLog($app->request()->getResourceUri(). ": Init."); |
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47 | // Checking parameters. |
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48 | try { |
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49 | if (empty(preg_match('/^python-requests\//', $_SERVER['HTTP_USER_AGENT']))) { |
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50 | throw new Exception("Bad agent: sender=".$_SERVER['REMOTE_ADDR'].", agent=".$_SERVER['HTTP_USER_AGENT']); |
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51 | } |
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52 | if (!checkIds($ouid, $imageid)) { |
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53 | throw new Exception("Ids. must be positive integers"); |
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54 | } |
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55 | // Reading POST parameters in JSON format. |
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56 | $input = json_decode($app->request()->getBody()); |
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57 | // Default: no lab. filter. |
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58 | if (isset($input->labid)) { |
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59 | $labid = $input->labid != "0" ? $input->labid : '%'; |
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60 | } else { |
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61 | $labid = '%'; |
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62 | } |
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63 | $maxtime = isset($input->maxtime) ? $input->maxtime : 24; // Default: 24 h. |
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64 | $opts = Array('options' => Array('min_range' => 1)); // Check for int>0 |
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65 | if (filter_var($labid, FILTER_VALIDATE_INT, $opts) === false and $labid !== '%') { |
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66 | throw new Exception("Lab id. must be positive integer"); |
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67 | } |
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68 | if (filter_var($maxtime, FILTER_VALIDATE_INT, $opts) === false) { |
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69 | throw new Exception("Time must be positive integer (in hours)"); |
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70 | } |
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71 | } catch (Exception $e) { |
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72 | // Communication error. |
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73 | $response["message"] = $e->getMessage(); |
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74 | if ($app->settings['debug']) |
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75 | writeRemotepcLog($app->request()->getResourceUri(). ": ERROR: ".$response["message"]."."); |
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76 | jsonResponse(400, $response); |
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77 | $app->stop(); |
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78 | } |
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79 | |
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80 | if ($app->settings['debug']) |
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81 | writeRemotepcLog($app->request()->getResourceUri(). ": Parameters: labid=$labid, maxtime=$maxtime"); |
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82 | // Choose older not-reserved client with image installed and get ogAdmServer data. |
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83 | $cmd->texto = <<<EOD |
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84 | SELECT adm.idusuario, entornos.ipserveradm, entornos.portserveradm, |
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85 | ordenadores.idordenador, ordenadores.nombreordenador, ordenadores.ip, |
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86 | ordenadores.mac, ordenadores.agentkey, ordenadores_particiones.numdisk, |
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87 | ordenadores_particiones.numpar, aulas.idaula, aulas.idcentro |
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88 | FROM entornos, ordenadores |
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89 | JOIN aulas USING(idaula) |
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90 | RIGHT JOIN administradores_centros AS adm USING(idcentro) |
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91 | RIGHT JOIN usuarios USING(idusuario) |
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92 | RIGHT JOIN ordenadores_particiones USING(idordenador) |
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93 | RIGHT JOIN imagenes USING(idimagen) |
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94 | LEFT JOIN remotepc ON remotepc.id=ordenadores.idordenador |
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95 | WHERE adm.idusuario = '$userid' |
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96 | AND aulas.idcentro = '$ouid' AND aulas.idaula LIKE '$labid' AND aulas.inremotepc = 1 |
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97 | AND imagenes.idimagen = '$imageid' AND imagenes.inremotepc = 1 |
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98 | AND (remotepc.reserved < NOW() OR ISNULL(reserved)) |
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99 | ORDER BY remotepc.reserved ASC LIMIT 1; |
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100 | EOD; |
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101 | $rs=new Recordset; |
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102 | $rs->Comando=&$cmd; |
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103 | if (!$rs->Abrir()) return(false); // Error opening recordset. |
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104 | // Check if user is admin and client exists. |
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105 | $rs->Primero(); |
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106 | if (checkAdmin($rs->campos["idusuario"]) and checkParameter($rs->campos["idordenador"])) { |
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107 | // Read query data. |
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108 | $serverip = $rs->campos["ipserveradm"]; |
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109 | $serverport = $rs->campos["portserveradm"]; |
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110 | $clntid = $rs->campos["idordenador"]; |
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111 | $clntname = $rs->campos["nombreordenador"]; |
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112 | $clntip = $rs->campos["ip"]; |
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113 | $clntmac = $rs->campos["mac"]; |
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114 | $agentkey = $rs->campos["agentkey"]; |
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115 | $disk = $rs->campos["numdisk"]; |
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116 | $part = $rs->campos["numpar"]; |
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117 | $labid = $rs->campos["idaula"]; |
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118 | $ouid = $rs->campos["idcentro"]; |
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119 | // Check client's status. |
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120 | $ogagent[$clntip]['url'] = "https://$clntip:8000/opengnsys/status"; |
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121 | if ($app->settings['debug']) |
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122 | writeRemotepcLog($app->request()->getResourceUri(). ": OGAgent status, url=".$ogagent[$clntip]['url']."."); |
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123 | $result = multiRequest($ogagent); |
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124 | if (empty($result[$clntip]['data'])) { |
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125 | // Client is off, send a boot command to ogAdmServer. |
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126 | // TODO: if client is busy????? |
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127 | $reqframe = "nfn=Arrancar\r". |
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128 | "ido=$clntid\r". |
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129 | "iph=$clntip\r". |
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130 | "mac=$clntmac\r". |
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131 | "mar=1\r"; |
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132 | if ($app->settings['debug']) |
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133 | writeRemotepcLog($app->request()->getResourceUri(). "Send Boot command to ogAdmClient, ido=$clntid,iph=$clntip,mac=$clntmac."); |
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134 | sendCommand($serverip, $serverport, $reqframe, $values); |
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135 | } else { |
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136 | // Client is on, send a rieboot command to its OGAgent. |
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137 | $ogagent[$clntip]['url'] = "https://$clntip:8000/opengnsys/reboot"; |
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138 | $ogagent[$clntip]['header'] = Array("Authorization: ".$agentkey); |
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139 | if ($app->settings['debug']) |
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140 | writeRemotepcLog($app->request()->getResourceUri(). ": OGAgent reboot, url=".$ogagent[$clntip]['url']."."); |
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141 | $result = multiRequest($ogagent); |
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142 | // ... (check response) |
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143 | //if ($result[$clntip]['code'] != 200) { |
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144 | // ... |
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145 | } |
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146 | // DB Transaction: mark choosed client as reserved and |
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147 | // create an init session command into client's actions queue. |
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148 | $cmd->texto = "START TRANSACTION;"; |
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149 | $cmd->Ejecutar(); |
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150 | $timestamp = time(); |
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151 | $cmd->texto = <<<EOD |
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152 | INSERT INTO remotepc |
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153 | SET id='$clntid', reserved=NOW() + INTERVAL $maxtime HOUR, urllogin=NULL, urllogout=NULL |
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154 | ON DUPLICATE KEY UPDATE |
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155 | id=VALUES(id), reserved=VALUES(reserved), |
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156 | urllogin=VALUES(urllogin), urllogout=VALUES(urllogout); |
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157 | EOD; |
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158 | $t1 = $cmd->Ejecutar(); |
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159 | $cmd->texto = <<<EOD |
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160 | INSERT INTO acciones |
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161 | SET tipoaccion=$EJECUCION_COMANDO, |
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162 | idtipoaccion=9, |
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163 | idcomando=9, |
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164 | parametros='nfn=IniciarSesion\rdsk=$disk\rpar=$part', |
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165 | descriaccion='RemotePC Session', |
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166 | idordenador=$clntid, |
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167 | ip='$clntip', |
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168 | sesion=$timestamp, |
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169 | fechahorareg=NOW(), |
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170 | estado=$ACCION_INICIADA, |
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171 | resultado=$ACCION_SINRESULTADO, |
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172 | ambito=$AMBITO_ORDENADORES, |
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173 | idambito=$clntid, |
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174 | restrambito='$clntip', |
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175 | idcentro=$ouid; |
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176 | EOD; |
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177 | $t2 = $cmd->Ejecutar(); |
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178 | // Create event to remove reservation on timeout (15 min.). |
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179 | $timeout = "15 MINUTE"; |
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180 | $cmd->texto = <<<EOD |
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181 | CREATE EVENT e_timeout_$clntid |
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182 | ON SCHEDULE AT CURRENT_TIMESTAMP + INTERVAL $timeout DO |
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183 | BEGIN |
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184 | SET @clntid = NULL; |
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185 | UPDATE acciones |
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186 | SET estado = $ACCION_FINALIZADA, resultado = $ACCION_FALLIDA, |
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187 | descrinotificacion = 'Timeout' |
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188 | WHERE descriaccion = 'RemotePC Session' AND estado = $ACCION_INICIADA |
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189 | AND idordenador = (SELECT @clntid := '$clntid'); |
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190 | IF @clntid IS NOT NULL THEN |
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191 | UPDATE remotepc |
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192 | SET reserved=NOW() - INTERVAL 1 SECOND, urllogin=NULL, urllogout=NULL |
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193 | WHERE id = @clntid; |
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194 | DELETE FROM acciones |
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195 | WHERE idordenador = @clntid |
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196 | AND descriaccion = 'RemotePC Session' |
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197 | AND descrinotificacion = 'Timeout'; |
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198 | END IF; |
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199 | END |
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200 | EOD; |
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201 | $t3 = $cmd->Ejecutar(); |
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202 | if ($t1 and $t2 and $t3) { |
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203 | // Commit transaction on success. |
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204 | $cmd->texto = "COMMIT;"; |
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205 | $cmd->Ejecutar(); |
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206 | if ($app->settings['debug']) |
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207 | writeRemotepcLog($app->request()->getResourceUri(). ": DB tables and events updated, clntid=$clntid."); |
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208 | // Send init session command if client is booted on ogLive. |
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209 | $reqframe = "nfn=IniciarSesion\r". |
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210 | "ido=$clntid\r". |
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211 | "iph=$clntip\r". |
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212 | "dsk=$disk\r". |
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213 | "par=$part\r"; |
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214 | if ($app->settings['debug']) |
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215 | writeRemotepcLog($app->request()->getResourceUri(). ": Send Init Session command to ogAdmClient, ido=$clntid,iph=$clntip,dsk=$disk,par=$part."); |
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216 | sendCommand($serverip, $serverport, $reqframe, $values); |
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217 | // Compose JSON response. |
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218 | $response['id'] = (int)$clntid; |
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219 | $response['name'] = $clntname; |
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220 | $response['ip'] = $clntip; |
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221 | $response['mac'] = $clntmac; |
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222 | $response['lab']['id'] = $labid; |
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223 | $response['ou']['id'] = (int)$ouid; |
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224 | if ($app->settings['debug']) |
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225 | writeRemotepcLog($app->request()->getResourceUri(). ": Response, ".var_export($response,true)."."); |
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226 | jsonResponse(200, $response); |
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227 | } else { |
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228 | // Roll-back transaction on DB error. |
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229 | $cmd->texto = "ROLLBACK;"; |
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230 | $cmd->Ejecutar(); |
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231 | // Error message. |
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232 | $response["message"] = "Database error: $t1, $t2, $t3"; |
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233 | if ($app->settings['debug']) |
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234 | writeRemotepcLog($app->request()->getResourceUri(). ": ERROR: ".$response["message"]."."); |
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235 | jsonResponse(400, $response); |
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236 | } |
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237 | } else { |
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238 | if ($app->settings['debug']) |
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239 | writeRemotepcLog($app->request()->getResourceUri(). ": UNASSIGNED"); |
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240 | } |
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241 | $rs->Cerrar(); |
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242 | $app->stop(); |
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243 | } |
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244 | ); |
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245 | |
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246 | |
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247 | /** |
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248 | * @brief Store UDS server URLs to resend some events recieved from OGAgent. |
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249 | * @note Route: /ous/:ouid/labs/:labid/clients/:clntid/events, Method: POST |
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250 | * @param string urlLogin URL to redirect login notification. |
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251 | * @param string urlLogout URL to redirect logout notification. |
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252 | * @warning Events parameters will be stored in a new "remotepc" table. |
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253 | */ |
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254 | $app->post('/ous/:ouid/labs/:labid/clients/:clntid/events', 'validateApiKey', |
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255 | function($ouid, $labid, $clntid) use ($app) { |
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256 | global $cmd; |
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257 | global $userid; |
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258 | $response = Array(); |
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259 | |
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260 | if ($app->settings['debug']) |
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261 | writeRemotepcLog($app->request()->getResourceUri(). ": Init."); |
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262 | // Checking parameters. |
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263 | try { |
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264 | if (empty(preg_match('/^python-requests\//', $_SERVER['HTTP_USER_AGENT']))) { |
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265 | throw new Exception("Bad agent: sender=".$_SERVER['REMOTE_ADDR'].", agent=".$_SERVER['HTTP_USER_AGENT']); |
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266 | } |
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267 | if (!checkIds($ouid, $labid, $clntid)) { |
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268 | throw new Exception("Ids. must be positive integers"); |
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269 | } |
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270 | // Reading JSON parameters. |
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271 | $input = json_decode($app->request()->getBody()); |
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272 | $urlLogin = htmlspecialchars($input->urlLogin); |
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273 | $urlLogout = htmlspecialchars($input->urlLogout); |
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274 | if (filter_var($urlLogin, FILTER_VALIDATE_URL) === false) { |
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275 | throw new Exception("Must be a valid URL for login notification"); |
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276 | } |
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277 | if (filter_var($urlLogout, FILTER_VALIDATE_URL) === false) { |
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278 | throw new Exception("Must be a valid URL for logout notification"); |
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279 | } |
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280 | } catch (Exception $e) { |
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281 | // Error message. |
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282 | $response["message"] = $e->getMessage(); |
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283 | if ($app->settings['debug']) |
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284 | writeRemotepcLog($app->request()->getResourceUri(). ": ERROR: ".$response["message"]."."); |
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285 | jsonResponse(400, $response); |
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286 | $app->stop(); |
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287 | } |
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288 | |
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289 | if ($app->settings['debug']) |
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290 | writeRemotepcLog($app->request()->getResourceUri(). ": Parameters: urlLogin=$urlLogin, urlLogout=$urlLogout"); |
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291 | // Select client data for UDS compatibility. |
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292 | $cmd->texto = <<<EOD |
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293 | SELECT adm.idusuario, ordenadores.idordenador, remotepc.* |
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294 | FROM remotepc |
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295 | RIGHT JOIN ordenadores ON remotepc.id=ordenadores.idordenador |
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296 | JOIN aulas USING(idaula) |
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297 | RIGHT JOIN administradores_centros AS adm USING(idcentro) |
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298 | RIGHT JOIN usuarios USING(idusuario) |
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299 | WHERE adm.idusuario = '$userid' |
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300 | AND idcentro = '$ouid' AND aulas.idaula ='$labid' |
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301 | AND ordenadores.idordenador = '$clntid'; |
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302 | EOD; |
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303 | $rs=new Recordset; |
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304 | $rs->Comando=&$cmd; |
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305 | if (!$rs->Abrir()) return(false); // Error opening recordset. |
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306 | // Check if user is admin and client exists. |
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307 | $rs->Primero(); |
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308 | if (checkAdmin($rs->campos["idusuario"]) and checkParameter($rs->campos["idordenador"])) { |
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309 | // Check if client is reserved. |
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310 | if (! is_null($rs->campos["reserved"])) { |
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311 | // Updating DB if client is reserved. |
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312 | $cmd->CreaParametro("@urllogin", $urlLogin, 0); |
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313 | $cmd->CreaParametro("@urllogout", $urlLogout, 0); |
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314 | $cmd->texto = <<<EOD |
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315 | UPDATE remotepc |
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316 | SET urllogin=@urllogin, urllogout=@urllogout |
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317 | WHERE id='$clntid'; |
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318 | EOD; |
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319 | if ($cmd->Ejecutar()) { |
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320 | // Confirm operation. |
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321 | $response = ""; |
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322 | jsonResponse(200, $response); |
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323 | } else { |
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324 | // Error message. |
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325 | $response["message"] = "Database error"; |
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326 | jsonResponse(400, $response); |
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327 | } |
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328 | } else { |
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329 | // Error message. |
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330 | $response["message"] = "Client is not reserved"; |
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331 | jsonResponse(400, $response); |
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332 | } |
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333 | } |
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334 | $rs->Cerrar(); |
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335 | $app->stop(); |
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336 | } |
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337 | ); |
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338 | |
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339 | |
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340 | /* |
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341 | * @brief Store session time (in sec). |
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342 | * @note Route: /ous/:ouid/labs/:labid/clients/:clntid/session, Method: POST |
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343 | * @param int deadLine maximum session time, in seconds (0 for unlimited) |
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344 | * @warning Parameters will be stored in a new "remotepc" table. |
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345 | */ |
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346 | $app->post('/ous/:ouid/labs/:labid/clients/:clntid/session', 'validateApiKey', |
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347 | function($ouid, $labid, $clntid) use ($app) { |
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348 | global $cmd; |
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349 | global $userid; |
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350 | $response = Array(); |
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351 | |
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352 | if ($app->settings['debug']) |
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353 | writeRemotepcLog($app->request()->getResourceUri(). ": Init."); |
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354 | // Checking parameters. |
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355 | try { |
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356 | if (empty(preg_match('/^python-requests\//', $_SERVER['HTTP_USER_AGENT']))) { |
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357 | throw new Exception("Bad agent: sender=".$_SERVER['REMOTE_ADDR'].", agent=".$_SERVER['HTTP_USER_AGENT']); |
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358 | } |
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359 | if (!checkIds($ouid, $labid, $clntid)) { |
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360 | throw new Exception("Ids. must be positive integers"); |
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361 | } |
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362 | // Reading JSON parameters. |
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363 | $input = json_decode($app->request()->getBody()); |
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364 | $deadLine = $input->deadLine; |
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365 | if (filter_var($deadLine, FILTER_VALIDATE_INT) === false) { |
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366 | throw new Exception("Deadline must be integer"); |
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367 | } |
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368 | if ($deadLine < 0) { |
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369 | throw new Exception("Resource unavailable"); |
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370 | } |
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371 | } catch (Exception $e) { |
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372 | // Error message. |
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373 | $response["message"] = $e->getMessage(); |
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374 | if ($app->settings['debug']) |
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375 | writeRemotepcLog($app->request()->getResourceUri(). ": ERROR: ".$response["message"]."."); |
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376 | jsonResponse(400, $response); |
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377 | $app->stop(); |
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378 | } |
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379 | |
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380 | if ($app->settings['debug']) |
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381 | writeRemotepcLog($app->request()->getResourceUri(). ": Parameters: deadLine=$deadLine"); |
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382 | // Get client's data. |
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383 | $cmd->texto = <<<EOD |
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384 | SELECT adm.idusuario, ordenadores.idordenador, remotepc.* |
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385 | FROM remotepc |
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386 | RIGHT JOIN ordenadores ON remotepc.id=ordenadores.idordenador |
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387 | JOIN aulas USING(idaula) |
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388 | RIGHT JOIN administradores_centros AS adm USING(idcentro) |
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389 | WHERE adm.idusuario = '$userid' |
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390 | AND aulas.idcentro = '$ouid' AND aulas.idaula = '$labid' |
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391 | AND ordenadores.idordenador = '$clntid'; |
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392 | EOD; |
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393 | $rs=new Recordset; |
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394 | $rs->Comando=&$cmd; |
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395 | if (!$rs->Abrir()) return(false); // Error opening recordset. |
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396 | // Check if user is admin and client exists. |
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397 | $rs->Primero(); |
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398 | if (checkAdmin($rs->campos["idusuario"]) and checkParameter($rs->campos["idordenador"])) { |
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399 | // Check if client is reserved. |
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400 | if (! is_null($rs->campos["urllogin"])) { |
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401 | // Read query data. |
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402 | $clntid = $rs->campos["idordenador"]; |
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403 | # Removing previous commands from OGAgent operations queue. |
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404 | if ($app->settings['debug']) |
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405 | writeRemotepcLog($app->request()->getResourceUri(). ": Updating database."); |
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406 | $cmd->texto = <<<EOD |
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407 | DELETE FROM ogagent_queue |
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408 | WHERE clientid = '$clntid' AND operation IN ('popup-10', 'popup-5', 'poweroff'); |
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409 | EOD; |
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410 | $cmd->Ejecutar(); |
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411 | # Add new commands to OGAgent operations queue. |
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412 | $cmd->texto = "INSERT INTO ogagent_queue (clientid, exectime, operation) VALUES"; |
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413 | if ($deadLine > 600) { |
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414 | # Add reminder 10 min. before deadline. |
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415 | $cmd->texto .= " ($clntid, NOW() + INTERVAL $deadLine SECOND - INTERVAL 10 MINUTE, 'popup-10'),"; |
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416 | } |
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417 | if ($deadLine > 300) { |
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418 | # Add reminder 5 min. before deadline. |
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419 | $cmd->texto .= " ($clntid, NOW() + INTERVAL $deadLine SECOND - INTERVAL 5 MINUTE, 'popup-5'),"; |
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420 | } |
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421 | # Add power off command at deadline time. |
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422 | $cmd->texto .= " ($clntid, NOW() + INTERVAL $deadLine SECOND, 'poweroff');"; |
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423 | if ($deadLine == 0 or $cmd->Ejecutar()) { |
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424 | // Confirm operation. |
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425 | $cmd->texto = ""; |
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426 | $response = ""; |
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427 | jsonResponse(200, $response); |
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428 | } else { |
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429 | // Error message. |
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430 | $response["message"] = "Database error"; |
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431 | jsonResponse(400, $response); |
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432 | } |
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433 | } else { |
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434 | // Error message. |
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435 | $response["message"] = "Client is not reserved"; |
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436 | jsonResponse(400, $response); |
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437 | } |
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438 | } else { |
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439 | // Error message. |
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440 | $response["message"] = "Client does not exist"; |
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441 | jsonResponse(404, $response); |
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442 | } |
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443 | $rs->Cerrar(); |
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444 | } |
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445 | ); |
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446 | |
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447 | |
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448 | /** |
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449 | * @brief Store UDS server URLs to resend some events recieved from OGAgent. |
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450 | * @brief Unreserve a client and send a poweroff operation. |
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451 | * @note Route: /ous/:ouid/labs/:labid/clients/:clntid/unreserve, Method: DELETE |
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452 | */ |
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453 | $app->delete('/ous/:ouid/labs/:labid/clients/:clntid/unreserve', 'validateApiKey', |
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454 | function($ouid, $labid, $clntid) use ($app) { |
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455 | global $cmd; |
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456 | global $userid; |
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457 | global $ACCION_INICIADA; |
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458 | $response = Array(); |
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459 | $ogagent = Array(); |
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460 | |
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461 | if ($app->settings['debug']) |
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462 | writeRemotepcLog($app->request()->getResourceUri(). ": Init."); |
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463 | // Checking parameters. |
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464 | try { |
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465 | if (empty(preg_match('/^python-requests\//', $_SERVER['HTTP_USER_AGENT']))) { |
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466 | throw new Exception("Bad agent: sender=".$_SERVER['REMOTE_ADDR'].", agent=".$_SERVER['HTTP_USER_AGENT']); |
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467 | } |
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468 | if (!checkIds($ouid, $labid, $clntid)) { |
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469 | throw new Exception("Ids. must be positive integers"); |
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470 | } |
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471 | } catch (Exception $e) { |
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472 | // Error message. |
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473 | $response["message"] = $e->getMessage(); |
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474 | if ($app->settings['debug']) |
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475 | writeRemotepcLog($app->request()->getResourceUri(). ": ERROR: ".$response["message"]."."); |
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476 | jsonResponse(400, $response); |
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477 | $app->stop(); |
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478 | } |
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479 | |
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480 | // Select client data for UDS compatibility. |
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481 | $cmd->texto = <<<EOD |
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482 | SELECT adm.idusuario, ordenadores.idordenador, ordenadores.ip, ordenadores.agentkey, remotepc.reserved |
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483 | FROM remotepc |
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484 | RIGHT JOIN ordenadores ON remotepc.id=ordenadores.idordenador |
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485 | JOIN aulas USING(idaula) |
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486 | RIGHT JOIN administradores_centros AS adm USING(idcentro) |
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487 | RIGHT JOIN usuarios USING(idusuario) |
---|
488 | WHERE adm.idusuario = '$userid' |
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489 | AND idcentro = '$ouid' AND aulas.idaula ='$labid' |
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490 | AND ordenadores.idordenador = '$clntid'; |
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491 | EOD; |
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492 | $rs=new Recordset; |
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493 | $rs->Comando=&$cmd; |
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494 | if (!$rs->Abrir()) return(false); // Error opening recordset. |
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495 | // Check if user is admin and client exists. |
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496 | $rs->Primero(); |
---|
497 | if (checkAdmin($rs->campos["idusuario"]) and checkParameter($rs->campos["idordenador"])) { |
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498 | // Check if client is reserved. |
---|
499 | if (! is_null($rs->campos["reserved"])) { |
---|
500 | // Read query data. |
---|
501 | $clntip = $rs->campos["ip"]; |
---|
502 | $agentkey = $rs->campos["agentkey"]; |
---|
503 | // DB Transaction: set reservation time to the past and |
---|
504 | // remove pending boot commands from client's and agent's queues. |
---|
505 | if ($app->settings['debug']) |
---|
506 | writeRemotepcLog($app->request()->getResourceUri(). ": Updating database."); |
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507 | $cmd->texto = "START TRANSACTION;"; |
---|
508 | $cmd->Ejecutar(); |
---|
509 | $cmd->texto = <<<EOD |
---|
510 | UPDATE remotepc |
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511 | SET reserved=NOW() - INTERVAL 1 SECOND, urllogin=NULL, urllogout=NULL |
---|
512 | WHERE id='$clntid'; |
---|
513 | EOD; |
---|
514 | $cmd->Ejecutar(); |
---|
515 | $cmd->texto = <<<EOD |
---|
516 | DELETE FROM acciones |
---|
517 | WHERE idordenador = '$clntid' |
---|
518 | AND descriaccion = 'RemotePC Session'; |
---|
519 | EOD; |
---|
520 | $cmd->Ejecutar(); |
---|
521 | $cmd->texto = <<<EOD |
---|
522 | DELETE FROM ogagent_queue |
---|
523 | WHERE clientid = '$clntid' AND command IN ('popup-10', 'popup-5', 'poweroff'); |
---|
524 | EOD; |
---|
525 | $cmd->Ejecutar(); |
---|
526 | $cmd->texto = "COMMIT;"; |
---|
527 | $cmd->Ejecutar(); |
---|
528 | // Send a poweroff command to client's OGAgent. |
---|
529 | $ogagent[$clntip]['url'] = "https://$clntip:8000/opengnsys/poweroff"; |
---|
530 | $ogagent[$clntip]['header'] = Array("Authorization: ".$agentkey); |
---|
531 | if ($app->settings['debug']) |
---|
532 | writeRemotepcLog($app->request()->getResourceUri(). ": OGAgent poweroff, url=".$ogagent[$clntip]['url']."."); |
---|
533 | $result = multiRequest($ogagent); |
---|
534 | // ... (check response) |
---|
535 | //if ($result[$clntip]['code'] != 200) { |
---|
536 | // ... |
---|
537 | // Confirm operation. |
---|
538 | $response = ""; |
---|
539 | jsonResponse(200, $response); |
---|
540 | } else { |
---|
541 | // Error message. |
---|
542 | $response["message"] = "Client is not reserved"; |
---|
543 | jsonResponse(400, $response); |
---|
544 | } |
---|
545 | } else { |
---|
546 | // Error message. |
---|
547 | $response["message"] = "Client does not exist"; |
---|
548 | jsonResponse(404, $response); |
---|
549 | } |
---|
550 | $rs->Cerrar(); |
---|
551 | } |
---|
552 | ); |
---|
553 | |
---|
554 | |
---|