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source: admin/WebConsole/rest/ogagent.php @ a616248

918-git-images-111dconfigfileconfigure-oglivegit-imageslgromero-new-oglivemainmaint-cronmount-efivarfsmultivmmultivm-ogboot-installerogClonningEngineogboot-installer-jenkinsoglive-ipv6test-python-scriptsticket-301ticket-50ticket-50-oldticket-577ticket-585ticket-611ticket-612ticket-693ticket-700ubu24tplunification2use-local-agent-oglivevarios-instalacionwebconsole3
Last change on this file since a616248 was f6045a5, checked in by ramon <ramongomez@…>, 9 years ago

#708: Corregir errata en revisión r5027.

git-svn-id: https://opengnsys.es/svn/branches/version1.1@5032 a21b9725-9963-47de-94b9-378ad31fedc9
  • Property mode set to 100644
File size: 7.2 KB
Line 
1<?php
2
3// OpenGnsys REST routes for OGAgent communications.
4// Author: Ramón M. Gómez
5// Date:   2016-10-03
6
7
8// OGAgent sessions log file.
9define('LOG_FILE', '/opt/opengnsys/log/ogagent.log');
10
11/**
12 * @brief    OGAgent notifies that its service is started on a client.
13 * @note     Route: /ogagent/started, Method: POST, Format: JSON
14 * @param    string ip         IP address
15 * @param    string mac        MAC (Ethernet) address
16 * @param    string ostype     OS type (Linux, Windows)
17 * @param    string osversion  OS version
18 * @param    string secret     random secret key to access client's REST API
19 * @return   Null string if OK, else error message.
20 */
21$app->post('/ogagent/started',
22    function() use ($app) {
23        global $cmd;
24        $osType = $osVersion = "none";
25        try {
26                // Reading POST parameters in JSON format.
27                $input = json_decode($app->request()->getBody());
28                $ip = htmlspecialchars($input->ip);
29                $mac = htmlspecialchars($input->mac);
30                if (isset($input->ostype))  $osType = htmlspecialchars($input->ostype);
31                if (isset($input->osversion))  $osVersion = str_replace(",", ";", htmlspecialchars($input->osversion));
32                // Check sender agent type and IP address consistency (same as parameter value).
33                if (empty(preg_match('/^python-requests\//', $_SERVER['HTTP_USER_AGENT'])) or $ip !== $_SERVER['REMOTE_ADDR']) {
34                    throw new Exception("Bad OGAgent: ip=$ip, sender=".$_SERVER['REMOTE_ADDR'].", agent=".$_SERVER['HTTP_USER_AGENT']);
35                }
36                // Client secret key for secure communications.
37                if (isset($input->secret)) {
38                    // Check if secret key is valid (32 alphanumeric characters).
39                    if (! ctype_alnum($input->secret) or strlen($input->secret) !== 32) {
40                        throw new Exception("Bad secret key: ip=$ip, mac=$mac, os=$osType:$osVersion.");
41                    }
42                    // Store secret key in DB.
43                    if (isset($input->secret))  $secret = htmlspecialchars($input->secret);
44                    $cmd->texto = "UPDATE ordenadores
45                                      SET agentkey='$secret'
46                                    WHERE ip='$ip' AND mac=UPPER(REPLACE('$mac',':',''))
47                                    LIMIT 1";
48                    if ($cmd->Ejecutar() !== true or mysql_affected_rows() !== 1) {
49                        // DB access error or not updated.
50                        throw new Exception("Cannot store new secret key: ip=$ip, mac=$mac, os=$osType:$osVersion.");
51                    }
52                } else {
53                    // Insecure agent exception.
54                    throw new Exception("Insecure OGAgent started: ip=$ip, mac=$mac, os=$osType:$osVersion.");
55                }
56                // Default processing: log activity.
57                file_put_contents(LOG_FILE, date(DATE_RSS).": OGAgent started: ip=$ip, mac=$mac, os=$osType:$osVersion.\n", FILE_APPEND);
58                // Response.
59                $response = "";
60                jsonResponse(200, $response);
61        } catch (Exception $e) {
62                // Comunication error.
63                $response["message"] = $e->getMessage();
64                file_put_contents(LOG_FILE, date(DATE_RSS).": ".$app->request()->getResourceUri().": ERROR: ".$response["message"]."\n", FILE_APPEND);
65                jsonResponse(400, $response);
66        }
67    }
68);
69
70/**
71 * @brief    OGAgent notifies that its service is stopped on client.
72 * @note     Route: /ogagent/stopped, Method: POST, Format: JSON
73 * @param    string ip         IP address
74 * @param    string mac        MAC (Ethernet) address
75 * @param    string ostype     OS type (Linux, Windows)
76 * @param    string osversion  OS version
77 * @return   Null string if OK, else error message.
78 */
79$app->post('/ogagent/stopped',
80    function() use ($app) {
81        $osType = $osVersion = "none";
82        try {
83                // Reading POST parameters in JSON format.
84                $input = json_decode($app->request()->getBody());
85                $ip = htmlspecialchars($input->ip);
86                $mac = htmlspecialchars($input->mac);
87                if (isset($input->ostype))  $osType = htmlspecialchars($input->ostype);
88                if (isset($input->osversion))  $osVersion = str_replace(",", ";", htmlspecialchars($input->osversion));
89                // Check sender agent type and IP address consistency (same as parameter value).
90                if (empty(preg_match('/^python-requests\//', $_SERVER['HTTP_USER_AGENT'])) or $ip !== $_SERVER['REMOTE_ADDR']) {
91                    throw new Exception("Bad OGAgent: ip=$ip, sender=".$_SERVER['REMOTE_ADDR'].", agent=".$_SERVER['HTTP_USER_AGENT']);
92                }
93                // May check if client is included in the server database?
94                // Default processing: log activity.
95                file_put_contents(LOG_FILE, date(DATE_RSS).": OGAgent stopped: ip=$ip, mac=$mac, os=$osType:$osVersion.\n", FILE_APPEND);
96                // Response.
97                $response = "";
98                jsonResponse(200, $response);
99        } catch (Exception $e) {
100                // Comunication error.
101                $response["message"] = $e->getMessage();
102                file_put_contents(LOG_FILE, date(DATE_RSS).": ".$app->request()->getResourceUri().": ERROR: ".$response["message"]."\n", FILE_APPEND);
103                jsonResponse(400, $response);
104        }
105    }
106);
107
108/**
109 * @brief    OGAgent notifies that an user logs in.
110 * @note     Route: /ogagent/loggedin, Method: POST, Format: JSON
111 * @param    string ip         IP address
112 * @param    string user       username
113 * @return   Null string if OK, else error message.
114 */
115$app->post('/ogagent/loggedin',
116    function() use ($app) {
117        try {
118                // Reading POST parameters in JSON format.
119                $input = json_decode($app->request()->getBody());
120                $ip = htmlspecialchars($input->ip);
121                $user = htmlspecialchars($input->user);
122                // Check sender IP address consistency (same as parameter value).
123                if (empty(preg_match('/^python-requests\//', $_SERVER['HTTP_USER_AGENT'])) or $ip !== $_SERVER['REMOTE_ADDR']) {
124                    throw new Exception("Bad OGAgent: ip=$ip, sender=".$_SERVER['REMOTE_ADDR'].", agent=".$_SERVER['HTTP_USER_AGENT']);
125                }
126                // May check if client is included in the server database?
127                // Default processing: log activity.
128                file_put_contents(LOG_FILE, date(DATE_RSS).": User logged in: ip=$ip, user=$user.\n", FILE_APPEND);
129                // Response.
130                $response = "";
131                jsonResponse(200, $response);
132        } catch (Exception $e) {
133                // Comunication error.
134                $response["message"] = $e->getMessage();
135                file_put_contents(LOG_FILE, date(DATE_RSS).": ".$app->request()->getResourceUri().": ERROR: ".$response["message"]."\n", FILE_APPEND);
136                jsonResponse(400, $response);
137        }
138    }
139);
140
141/**
142 * @brief    OGAgent notifies that an user logs out.
143 * @note     Route: /ogagent/loggedout, Method: POST, Format: JSON
144 * @param    string ip         IP address
145 * @param    string user       username
146 * @return   Null string if OK, else error message.
147 */
148$app->post('/ogagent/loggedout',
149    function() use ($app) {
150        try {
151                // Reading POST parameters in JSON format.
152                $input = json_decode($app->request()->getBody());
153                $ip = htmlspecialchars($input->ip);
154                $user = htmlspecialchars($input->user);
155                // Check sender agent type and IP address consistency (same as parameter value).
156                if (empty(preg_match('/^python-requests\//', $_SERVER['HTTP_USER_AGENT'])) or $ip !== $_SERVER['REMOTE_ADDR']) {
157                    throw new Exception("Bad OGAgent: ip=$ip, sender=".$_SERVER['REMOTE_ADDR'].", agent=".$_SERVER['HTTP_USER_AGENT']);
158                }
159                // May check if client is included in the server database?
160                // Default processing: log activity.
161                file_put_contents(LOG_FILE, date(DATE_RSS).": User logged out: ip=$ip, user=$user.\n", FILE_APPEND);
162                // Response.
163                $response = "";
164                jsonResponse(200, $response);
165        } catch (Exception $e) {
166                // Comunication error.
167                $response["message"] = $e->getMessage();
168                file_put_contents(LOG_FILE, date(DATE_RSS).": ".$app->request()->getResourceUri().": ERROR: ".$response["message"]."\n", FILE_APPEND);
169                jsonResponse(400, $response);
170        }
171    }
172);
173
174?>
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