DeploymentManaged::setRADIUSconfig() - Code Metrics - Inspection of "sendToRADIUS method" - GEANT/CAT - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( b32147...6275ed )

by Maja

created 2019-05-10 10:14 UTC

DeploymentManaged::setRADIUSconfig() B

↳ Parent: DeploymentManaged

Complexity

Conditions	10
Paths	22

Size

Total Lines	37
Code Lines	27

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	27
dl	0
loc	37
rs	7.6666
c	0
b	0
f	0
cc	10
nc	22
nop	1

How to fix Complexity

<?php

/*
 * *****************************************************************************
 * Contributions to this work were made on behalf of the GÉANT project, a 
 * project that has received funding from the European Union’s Framework 
 * Programme 7 under Grant Agreements No. 238875 (GN3) and No. 605243 (GN3plus),
 * Horizon 2020 research and innovation programme under Grant Agreements No. 
 * 691567 (GN4-1) and No. 731122 (GN4-2).
 * On behalf of the aforementioned projects, GEANT Association is the sole owner
 * of the copyright in all material which was developed by a member of the GÉANT
 * project. GÉANT Vereniging (Association) is registered with the Chamber of 
 * Commerce in Amsterdam with registration number 40535155 and operates in the 
 * UK as a branch of GÉANT Vereniging.
 * 
 * Registered office: Hoekenrode 3, 1102BR Amsterdam, The Netherlands. 
 * UK branch address: City House, 126-130 Hills Road, Cambridge CB2 1PQ, UK
 *
 * License: see the web/copyright.inc.php file in the file structure or
 *          <base_url>/copyright.php after deploying the software
 */

/**
 * This file contains the AbstractProfile class. It contains common methods for
 * both RADIUS/EAP profiles and SilverBullet profiles
 *
 * @author Stefan Winter <[email protected]>
 * @author Tomasz Wolniewicz <[email protected]>
 *
 * @package Developer
 *
 */

namespace core;

use \Exception;

/**
 * This class represents an EAP Profile.
 * Profiles can inherit attributes from their IdP, if the IdP has some. Otherwise,
 * one can set attribute in the Profile directly. If there is a conflict between
 * IdP-wide and Profile-wide attributes, the more specific ones (i.e. Profile) win.
 * 
 * @author Stefan Winter <[email protected]>
 * @author Tomasz Wolniewicz <[email protected]>
 *
 * @license see LICENSE file in root directory
 *
 * @package Developer
 */
class DeploymentManaged extends AbstractDeployment {

    /**
     * This is the limit for dual-stack hosts. Single stack uses half of the FDs
     * in FreeRADIUS and take twice as many. initialise() takes this into
     * account.
     */
    const MAX_CLIENTS_PER_SERVER = 200;
    const PRODUCTNAME = "Managed SP";

    /**
     * the primary RADIUS server port for this SP instance
     * 
     * @var integer
     */
    public $port1;

    /**
     * the backup RADIUS server port for this SP instance
     * 
     * @var integer
     */
    public $port2;

    /**
     * the shared secret for this SP instance
     * 
     * @var string
     */
    public $secret;

    /**
     * the IPv4 address of the primary RADIUS server for this SP instance 
     * (can be NULL)
     * 
     * @var string
     */
    public $host1_v4;

    /**
     * the IPv6 address of the primary RADIUS server for this SP instance 
     * (can be NULL)
     * 
     * @var string
     */
    public $host1_v6;

    /**
     * the IPv4 address of the backup RADIUS server for this SP instance 
     * (can be NULL)
     * 
     * @var string
     */
    public $host2_v4;

    /**
     * the IPv6 address of the backup RADIUS server for this SP instance 
     * (can be NULL)
     * 
     * @var string
     */
    public $host2_v6;

    /**
     * the primary RADIUS server instance for this SP instance
     * 
     * @var string
     */
    public $radius_instance_1;

    /**
     * the backup RADIUS server instance for this SP instance
     * 
     * @var string
     */
    public $radius_instance_2;
    
    /**
     * the primary RADIUS server hostname - for sending configuration requests
     * 
     * @var string
     */
    public $radius_hostname_1;

    /**
     * the backup RADIUS server hostname - for sending configuration requests
     * 
     * @var string
     */
    public $radius_hostname_2;

    /**
     * the primary RADIUS server status - last configuration request result
     * 
     * @var string
     */
    public $radius_status_1;

    /**
     * the backup RADIUS server status - last configuration request result
     * 
     * @var string
     */
    public $radius_status_2;
    /**
     * Class constructor for existing deployments (use 
     * IdP::newDeployment() to actually create one). Retrieves all 
     * attributes from the DB and stores them in the priv_ arrays.
     * 
     * @param IdP        $idpObject       optionally, the institution to which this Profile belongs. Saves the construction of the IdP instance. If omitted, an extra query and instantiation is executed to find out.
     * @param string|int $deploymentIdRaw identifier of the deployment in the DB
     * @throws Exception
     */
    public function __construct($idpObject, $deploymentIdRaw) {
        parent::__construct($idpObject, $deploymentIdRaw); // we now have access to our INST database handle and logging
        $this->entityOptionTable = "deployment_option";
        $this->entityIdColumn = "deployment_id";
        $this->type = AbstractDeployment::DEPLOYMENTTYPE_MANAGED;
        if (!is_numeric($deploymentIdRaw)) {
            throw new Exception("Managed SP instances have to have a numeric identifier");
        }
        $propertyQuery = "SELECT status,port_instance_1,port_instance_2,secret,radius_instance_1,radius_instance_2,radius_status_1,radius_status_2 FROM deployment WHERE deployment_id = ?";
        $queryExec = $this->databaseHandle->exec($propertyQuery, "i", $deploymentIdRaw);
        if (mysqli_num_rows(/** @scrutinizer ignore-type */ $queryExec) == 0) {
            throw new Exception("Attempt to construct an unknown DeploymentManaged!");
        }
        $this->identifier = $deploymentIdRaw;
        while ($iterator = mysqli_fetch_object(/** @scrutinizer ignore-type */ $queryExec)) {
            if ($iterator->secret == NULL && $iterator->radius_instance_1 == NULL) {
                // we are instantiated for the first time, initialise us
                $details = $this->initialise();
                $this->port1 = $details["port_instance_1"];
                $this->port2 = $details["port_instance_2"];
                $this->secret = $details["secret"];
                $this->radius_instance_1 = $details["radius_instance_1"];
                $this->radius_instance_2 = $details["radius_instance_2"];
                $this->radius_status_1 = 1;
                $this->radius_status_2 = 1;
                $this->status = AbstractDeployment::INACTIVE;
            } else {
                $this->port1 = $iterator->port_instance_1;
                $this->port2 = $iterator->port_instance_2;
                $this->secret = $iterator->secret;
                $this->radius_instance_1 = $iterator->radius_instance_1;
                $this->radius_instance_2 = $iterator->radius_instance_2;
                $this->radius_status_1 = $iterator->radius_status_1;
                $this->radius_status_2 = $iterator->radius_status_2;
                $this->status = $iterator->status;
            }
        }
        $server1details = $this->databaseHandle->exec("SELECT mgmt_hostname, radius_ip4, radius_ip6 FROM managed_sp_servers WHERE server_id = '$this->radius_instance_1'");
        while ($iterator2 = mysqli_fetch_object(/** @scrutinizer ignore-type */ $server1details)) {
            $this->host1_v4 = $iterator2->radius_ip4;
            $this->host1_v6 = $iterator2->radius_ip6;
            $this->radius_hostname_1 = $iterator2->mgmt_hostname;
        }
        $server2details = $this->databaseHandle->exec("SELECT mgmt_hostname, radius_ip4, radius_ip6 FROM managed_sp_servers WHERE server_id = '$this->radius_instance_2'");
        while ($iterator3 = mysqli_fetch_object(/** @scrutinizer ignore-type */ $server2details)) {
            $this->host2_v4 = $iterator3->radius_ip4;
            $this->host2_v6 = $iterator3->radius_ip6;
            $this->radius_hostname_2 = $iterator3->mgmt_hostname;
        }
        $thisLevelAttributes = $this->retrieveOptionsFromDatabase("SELECT DISTINCT option_name, option_lang, option_value, row 
                                            FROM $this->entityOptionTable
                                            WHERE $this->entityIdColumn = ?  
                                            ORDER BY option_name", "Profile");
        $tempAttribMergedIdP = $this->levelPrecedenceAttributeJoin($thisLevelAttributes, $this->idpAttributes, "IdP");
        $this->attributes = $this->levelPrecedenceAttributeJoin($tempAttribMergedIdP, $this->fedAttributes, "FED");
    }

    /**
     * finds a suitable server which is geographically close to the admin
     * 
     * @param array  $adminLocation      the current geographic position of the admin
     * @param string $federation         the federation this deployment belongs to
     * @param array  $blacklistedServers list of server to IGNORE
     * @return string the server ID
     * @throws Exception
     */
    private function findGoodServerLocation($adminLocation, $federation, $blacklistedServers) {
        // find a server near him (list of all servers with capacity, ordered by distance)
        // first, if there is a pool of servers specifically for this federation, prefer it
        $servers = $this->databaseHandle->exec("SELECT server_id, radius_ip4, radius_ip6, location_lon, location_lat FROM managed_sp_servers WHERE pool = '$federation'");
        
        $serverCandidates = [];
        while ($iterator = mysqli_fetch_object(/** @scrutinizer ignore-type */ $servers)) {
            $maxSupportedClients = DeploymentManaged::MAX_CLIENTS_PER_SERVER;
            if ($iterator->radius_ip4 == NULL || $iterator->radius_ip6 == NULL) {
                // half the amount of IP stacks means half the amount of FDs in use, so we can take twice as many
                $maxSupportedClients = $maxSupportedClients * 2;
            }
            $clientCount1 = $this->databaseHandle->exec("SELECT port_instance_1 AS tenants1 FROM deployment WHERE radius_instance_1 = '$iterator->server_id'");
            $clientCount2 = $this->databaseHandle->exec("SELECT port_instance_2 AS tenants2 FROM deployment WHERE radius_instance_2 = '$iterator->server_id'");

            $clients = $clientCount1->num_rows + $clientCount2->num_rows;
            if (in_array($iterator->server_id, $blacklistedServers)) {
                continue;
            }
            if ($clients < $maxSupportedClients) {
                $serverCandidates[IdPlist::geoDistance($adminLocation, ['lat' => $iterator->location_lat, 'lon' => $iterator->location_lon])] = $iterator->server_id;
            }
            if ($clients > $maxSupportedClients * 0.9) {
                $this->loggerInstance->debug(1, "A RADIUS server for Managed SP (" . $iterator->server_id . ") is serving at more than 90% capacity!");
            }
        }
        if (count($serverCandidates) == 0 && $federation != "DEFAULT") {
            // we look in the default pool instead
            // recursivity! Isn't that cool!
            return $this->findGoodServerLocation($adminLocation, "DEFAULT", $blacklistedServers);
        }
        if (count($serverCandidates) == 0) {
            throw new Exception("No available server found for new SP! $federation ".print_r($serverCandidates, true));
        }
        // put the nearest server on top of the list
        ksort($serverCandidates);
        $this->loggerInstance->debug(1, $serverCandidates);
        return array_shift($serverCandidates);
    }

    /**
     * initialises a new SP
     * 
     * @return array details of the SP as generated during initialisation
     * @throws Exception
     */
    private function initialise() {
        // find out where the admin is located approximately
        $ourLocation = ['lon' => 0, 'lat' => 0];
        $geoip = DeviceLocation::locateDevice();
        if ($geoip['status'] == 'ok') {
            $ourLocation = ['lon' => $geoip['geo']['lon'], 'lat' => $geoip['geo']['lat']];
        }
        $inst = new IdP($this->institution);
        $ourserver = $this->findGoodServerLocation($ourLocation, $inst->federation , []);
        // now, find an unused port in the preferred server
        $foundFreePort1 = 0;
        while ($foundFreePort1 == 0) {
            $portCandidate = random_int(1200, 65535);
            $check = $this->databaseHandle->exec("SELECT port_instance_1 FROM deployment WHERE radius_instance_1 = '" . $ourserver . "' AND port_instance_1 = $portCandidate");
            if (mysqli_num_rows(/** @scrutinizer ignore-type */ $check) == 0) {
                $foundFreePort1 = $portCandidate;
            }
        }
        $ourSecondServer = $this->findGoodServerLocation($ourLocation, $inst->federation , [$ourserver]);
        $foundFreePort2 = 0;
        while ($foundFreePort2 == 0) {
            $portCandidate = random_int(1200, 65535);
            $check = $this->databaseHandle->exec("SELECT port_instance_2 FROM deployment WHERE radius_instance_2 = '" . $ourSecondServer . "' AND port_instance_2 = $portCandidate");
            if (mysqli_num_rows(/** @scrutinizer ignore-type */ $check) == 0) {
                $foundFreePort2 = $portCandidate;
            }
        }
        // and make up a shared secret that is halfways readable
        $futureSecret = $this->randomString(16, "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
        $this->databaseHandle->exec("UPDATE deployment SET radius_instance_1 = '" . $ourserver . "', radius_instance_2 = '" . $ourSecondServer . "', port_instance_1 = $foundFreePort1, port_instance_2 = $foundFreePort2, secret = '$futureSecret' WHERE deployment_id = $this->identifier");
        return ["port_instance_1" => $foundFreePort1, "port_instance_2" => $foundFreePort2, "secret" => $futureSecret, "radius_instance_1" => $ourserver, "radius_instance_2" => $ourserver];
    }

    /**
     * update the last_changed timestamp for this deployment
     * 
     * @return void
     */
    public function updateFreshness() {
        $this->databaseHandle->exec("UPDATE deployment SET last_change = CURRENT_TIMESTAMP WHERE deployment_id = $this->identifier");
    }

    /**
     * gets the last-modified timestamp (useful for caching "dirty" check)
     * 
     * @return string the date in string form, as returned by SQL
     */
    public function getFreshness() {
        $execLastChange = $this->databaseHandle->exec("SELECT last_change FROM deployment WHERE deployment_id = $this->identifier");
        // SELECT always returns a resource, never a boolean
        if ($freshnessQuery = mysqli_fetch_object(/** @scrutinizer ignore-type */ $execLastChange)) {
            return $freshnessQuery->last_change;
        }
    }

    /**
     * Deletes the deployment from database
     * 
     * @return void
     */
    public function destroy() {
        $this->databaseHandle->exec("DELETE FROM deployment_option WHERE deployment_id = $this->identifier");
        $this->databaseHandle->exec("DELETE FROM deployment WHERE deployment_id = $this->identifier");
    }

    /**
     * deactivates the deployment.
     * TODO: needs to call the RADIUS server reconfiguration routines...

     * 
     * @return void
     */
    public function deactivate() {
        $this->databaseHandle->exec("UPDATE deployment SET status = " . DeploymentManaged::INACTIVE . " WHERE deployment_id = $this->identifier");
    }

    /**
     * activates the deployment.
     * TODO: needs to call the RADIUS server reconfiguration routines...

     * 
     * @return void
     */
    public function activate() {
        $this->databaseHandle->exec("UPDATE deployment SET status = " . DeploymentManaged::ACTIVE . " WHERE deployment_id = $this->identifier");
    }

    /**
     * determines the Operator-Name attribute content to use in the RADIUS config
     * 
     * @return string
     */
    public function getOperatorName() {
        $customAttrib = $this->getAttributes("managedsp:operatorname");
        if (count($customAttrib) == 0) {
            return "1sp.".$this->identifier."-".$this->institution.\config\ConfAssistant::SILVERBULLET['realm_suffix'];
        }
        return $customAttrib[0]["value"];
    }
    
    /**
     * send request to RADIUS configuration daemom
     *
     * @param integer $idx

     * @param string $post 

     * @return string - response
     */
    public function sendToRADIUS($idx, $post) {
            
        $hostname = "radius_hostname_$idx";
        $ch = curl_init( "http://" . $this->$hostname );
        if ($ch) {

            curl_setopt( $ch, CURLOPT_POST, 1);
            curl_setopt( $ch, CURLOPT_POSTFIELDS, $post);
            $this->loggerInstance->debug(1, "Posting to http://" . $this->$hostname . ": $post\n");
            curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1);
            curl_setopt( $ch, CURLOPT_HEADER, 0);
            curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1);
            $res = curl_exec( $ch );
            if ($res === FALSE) {
                $res = 'FAILURE';
            }
            $this->loggerInstance->debug(1, "Response from FR configurator: $res\n");
        } else {
            $res = 'FAILURE';
        }
        $this->databaseHandle->exec("UPDATE deployment SET radius_status_$idx = " . ($res == 'OK'? \core\AbstractDeployment::RADIUS_OK : \core\AbstractDeployment::RADIUS_FAILURE) . " WHERE deployment_id = $this->identifier");
        return $res;
    }
    
    /**
     * prepare request to add/modify RADIUS settings for given deployment
     *
     * @param int $remove - the flag indicating remove request
     * @return array - index 1 indicate primary RADIUS status, index 2 backup RADIUS status
     */
    public function setRADIUSconfig($remove = 0) {
        $toPost = array(1 => '', 2 => '');
        $toPost[1] = 'instid=' . $this->institution . '&deploymentid=' . $this->identifier . '&secret=' . $this->secret . '&country=' . $this->getAttributes("internal:country")[0]['value'] . '&';
        if ($remove) {
            $toPost[1] = $toPost[1] . 'remove=1&';
        } else {
            if ($this->getAttributes("managedsp:operatorname")[0]['value'] ?? NULL) {
                $toPost[1] = $toPost[1] . 'operatorname=' . $this->getAttributes("managedsp:operatorname")[0]['value'] . '&';
            }
            if ($this->getAttributes("managedsp:vlan")[0]['value'] ?? NULL) {
                $idp = new IdP($this->institution);
                $allProfiles = $idp->listProfiles(TRUE);
                $allRealms = [];
                if (($this->getAttributes("managedsp:realmforvlan") ?? NULL)) {
                    $allRealms = array_values(array_unique(array_column($this->getAttributes("managedsp:realmforvlan"), "value")));
                }
                foreach ($allProfiles as $profile) {
                    if ($realm = ($profile->getAttributes("internal:realm")[0]['value'] ?? NULL)) {
                        if (!in_array($realm, $allRealms)) {
                            $allRealms[] = $realm;
                        }
                    }
                }
                if (!empty($allRealms)) {
                    $toPost[1] = $toPost[1] . 'vlan=' . $this->getAttributes("managedsp:vlan")[0]['value'] . '&';
                    $toPost[1] = $toPost[1] . 'realmforvlan[]=' . implode('&realmforvlan[]=', $allRealms) . '&';
                }
            }
        }
        $toPost[2] = $toPost[1];
        $toPost[1] = $toPost[1] . 'port=' . $this->port1;
        $toPost[2] = $toPost[2] . 'port=' . $this->port2;
        $response = array();
        for ($idx=1; $idx<=2; $idx++) {
            $response[$idx] = $this->sendToRADIUS($idx, $toPost[$idx]);
        }
        return $response;
    }
}


1			<?php
2
3			/*
4			* *****************************************************************************
5			* Contributions to this work were made on behalf of the GÉANT project, a
6			* project that has received funding from the European Union’s Framework
7			* Programme 7 under Grant Agreements No. 238875 (GN3) and No. 605243 (GN3plus),
8			* Horizon 2020 research and innovation programme under Grant Agreements No.
9			* 691567 (GN4-1) and No. 731122 (GN4-2).
10			* On behalf of the aforementioned projects, GEANT Association is the sole owner
11			* of the copyright in all material which was developed by a member of the GÉANT
12			* project. GÉANT Vereniging (Association) is registered with the Chamber of
13			* Commerce in Amsterdam with registration number 40535155 and operates in the
14			* UK as a branch of GÉANT Vereniging.
15			*
16			* Registered office: Hoekenrode 3, 1102BR Amsterdam, The Netherlands.
17			* UK branch address: City House, 126-130 Hills Road, Cambridge CB2 1PQ, UK
18			*
19			* License: see the web/copyright.inc.php file in the file structure or
20			* <base_url>/copyright.php after deploying the software
21			*/
22
23			/**
24			* This file contains the AbstractProfile class. It contains common methods for
25			* both RADIUS/EAP profiles and SilverBullet profiles
26			*
27			* @author Stefan Winter <[email protected]>
28			* @author Tomasz Wolniewicz <[email protected]>
29			*
30			* @package Developer
31			*
32			*/
33
34			namespace core;
35
36			use \Exception;
37
38			/**
39			* This class represents an EAP Profile.
40			* Profiles can inherit attributes from their IdP, if the IdP has some. Otherwise,
41			* one can set attribute in the Profile directly. If there is a conflict between
42			* IdP-wide and Profile-wide attributes, the more specific ones (i.e. Profile) win.
43			*
44			* @author Stefan Winter <[email protected]>
45			* @author Tomasz Wolniewicz <[email protected]>
46			*
47			* @license see LICENSE file in root directory
48			*
49			* @package Developer
50			*/
51			class DeploymentManaged extends AbstractDeployment {
52
53			/**
54			* This is the limit for dual-stack hosts. Single stack uses half of the FDs
55			* in FreeRADIUS and take twice as many. initialise() takes this into
56			* account.
57			*/
58			const MAX_CLIENTS_PER_SERVER = 200;
59			const PRODUCTNAME = "Managed SP";
60
61			/**
62			* the primary RADIUS server port for this SP instance
63			*
64			* @var integer
65			*/
66			public $port1;
67
68			/**
69			* the backup RADIUS server port for this SP instance
70			*
71			* @var integer
72			*/
73			public $port2;
74
75			/**
76			* the shared secret for this SP instance
77			*
78			* @var string
79			*/
80			public $secret;
81
82			/**
83			* the IPv4 address of the primary RADIUS server for this SP instance
84			* (can be NULL)
85			*
86			* @var string
87			*/
88			public $host1_v4;
89
90			/**
91			* the IPv6 address of the primary RADIUS server for this SP instance
92			* (can be NULL)
93			*
94			* @var string
95			*/
96			public $host1_v6;
97
98			/**
99			* the IPv4 address of the backup RADIUS server for this SP instance
100			* (can be NULL)
101			*
102			* @var string
103			*/
104			public $host2_v4;
105
106			/**
107			* the IPv6 address of the backup RADIUS server for this SP instance
108			* (can be NULL)
109			*
110			* @var string
111			*/
112			public $host2_v6;
113
114			/**
115			* the primary RADIUS server instance for this SP instance
116			*
117			* @var string
118			*/
119			public $radius_instance_1;
120
121			/**
122			* the backup RADIUS server instance for this SP instance
123			*
124			* @var string
125			*/
126			public $radius_instance_2;
127
128			/**
129			* the primary RADIUS server hostname - for sending configuration requests
130			*
131			* @var string
132			*/
133			public $radius_hostname_1;
134
135			/**
136			* the backup RADIUS server hostname - for sending configuration requests
137			*
138			* @var string
139			*/
140			public $radius_hostname_2;
141
142			/**
143			* the primary RADIUS server status - last configuration request result
144			*
145			* @var string
146			*/
147			public $radius_status_1;
148
149			/**
150			* the backup RADIUS server status - last configuration request result
151			*
152			* @var string
153			*/
154			public $radius_status_2;
155			/**
156			* Class constructor for existing deployments (use
157			* IdP::newDeployment() to actually create one). Retrieves all
158			* attributes from the DB and stores them in the priv_ arrays.
159			*
160			* @param IdP $idpObject optionally, the institution to which this Profile belongs. Saves the construction of the IdP instance. If omitted, an extra query and instantiation is executed to find out.
161			* @param string\|int $deploymentIdRaw identifier of the deployment in the DB
162			* @throws Exception
163			*/
164			public function __construct($idpObject, $deploymentIdRaw) {
165			parent::__construct($idpObject, $deploymentIdRaw); // we now have access to our INST database handle and logging
166			$this->entityOptionTable = "deployment_option";
167			$this->entityIdColumn = "deployment_id";
168			$this->type = AbstractDeployment::DEPLOYMENTTYPE_MANAGED;
169			if (!is_numeric($deploymentIdRaw)) {
170			throw new Exception("Managed SP instances have to have a numeric identifier");
171			}
172			$propertyQuery = "SELECT status,port_instance_1,port_instance_2,secret,radius_instance_1,radius_instance_2,radius_status_1,radius_status_2 FROM deployment WHERE deployment_id = ?";
173			$queryExec = $this->databaseHandle->exec($propertyQuery, "i", $deploymentIdRaw);
174			if (mysqli_num_rows(/** @scrutinizer ignore-type */ $queryExec) == 0) {
175			throw new Exception("Attempt to construct an unknown DeploymentManaged!");
176			}
177			$this->identifier = $deploymentIdRaw;
178			while ($iterator = mysqli_fetch_object(/** @scrutinizer ignore-type */ $queryExec)) {
179			if ($iterator->secret == NULL && $iterator->radius_instance_1 == NULL) {
180			// we are instantiated for the first time, initialise us
181			$details = $this->initialise();
182			$this->port1 = $details["port_instance_1"];
183			$this->port2 = $details["port_instance_2"];
184			$this->secret = $details["secret"];
185			$this->radius_instance_1 = $details["radius_instance_1"];
186			$this->radius_instance_2 = $details["radius_instance_2"];
187			$this->radius_status_1 = 1;
188			$this->radius_status_2 = 1;
189			$this->status = AbstractDeployment::INACTIVE;
190			} else {
191			$this->port1 = $iterator->port_instance_1;
192			$this->port2 = $iterator->port_instance_2;
193			$this->secret = $iterator->secret;
194			$this->radius_instance_1 = $iterator->radius_instance_1;
195			$this->radius_instance_2 = $iterator->radius_instance_2;
196			$this->radius_status_1 = $iterator->radius_status_1;
197			$this->radius_status_2 = $iterator->radius_status_2;
198			$this->status = $iterator->status;
199			}
200			}
201			$server1details = $this->databaseHandle->exec("SELECT mgmt_hostname, radius_ip4, radius_ip6 FROM managed_sp_servers WHERE server_id = '$this->radius_instance_1'");
202			while ($iterator2 = mysqli_fetch_object(/** @scrutinizer ignore-type */ $server1details)) {
203			$this->host1_v4 = $iterator2->radius_ip4;
204			$this->host1_v6 = $iterator2->radius_ip6;
205			$this->radius_hostname_1 = $iterator2->mgmt_hostname;
206			}
207			$server2details = $this->databaseHandle->exec("SELECT mgmt_hostname, radius_ip4, radius_ip6 FROM managed_sp_servers WHERE server_id = '$this->radius_instance_2'");
208			while ($iterator3 = mysqli_fetch_object(/** @scrutinizer ignore-type */ $server2details)) {
209			$this->host2_v4 = $iterator3->radius_ip4;
210			$this->host2_v6 = $iterator3->radius_ip6;
211			$this->radius_hostname_2 = $iterator3->mgmt_hostname;
212			}
213			$thisLevelAttributes = $this->retrieveOptionsFromDatabase("SELECT DISTINCT option_name, option_lang, option_value, row
214			FROM $this->entityOptionTable
215			WHERE $this->entityIdColumn = ?
216			ORDER BY option_name", "Profile");
217			$tempAttribMergedIdP = $this->levelPrecedenceAttributeJoin($thisLevelAttributes, $this->idpAttributes, "IdP");
218			$this->attributes = $this->levelPrecedenceAttributeJoin($tempAttribMergedIdP, $this->fedAttributes, "FED");
219			}
220
221			/**
222			* finds a suitable server which is geographically close to the admin
223			*
224			* @param array $adminLocation the current geographic position of the admin
225			* @param string $federation the federation this deployment belongs to
226			* @param array $blacklistedServers list of server to IGNORE
227			* @return string the server ID
228			* @throws Exception
229			*/
230			private function findGoodServerLocation($adminLocation, $federation, $blacklistedServers) {
231			// find a server near him (list of all servers with capacity, ordered by distance)
232			// first, if there is a pool of servers specifically for this federation, prefer it
233			$servers = $this->databaseHandle->exec("SELECT server_id, radius_ip4, radius_ip6, location_lon, location_lat FROM managed_sp_servers WHERE pool = '$federation'");
234
235			$serverCandidates = [];
236			while ($iterator = mysqli_fetch_object(/** @scrutinizer ignore-type */ $servers)) {
237			$maxSupportedClients = DeploymentManaged::MAX_CLIENTS_PER_SERVER;
238			if ($iterator->radius_ip4 == NULL \|\| $iterator->radius_ip6 == NULL) {
239			// half the amount of IP stacks means half the amount of FDs in use, so we can take twice as many
240			$maxSupportedClients = $maxSupportedClients * 2;
241			}
242			$clientCount1 = $this->databaseHandle->exec("SELECT port_instance_1 AS tenants1 FROM deployment WHERE radius_instance_1 = '$iterator->server_id'");
243			$clientCount2 = $this->databaseHandle->exec("SELECT port_instance_2 AS tenants2 FROM deployment WHERE radius_instance_2 = '$iterator->server_id'");
244
245			$clients = $clientCount1->num_rows + $clientCount2->num_rows;
246			if (in_array($iterator->server_id, $blacklistedServers)) {
247			continue;
248			}
249			if ($clients < $maxSupportedClients) {
250			$serverCandidates[IdPlist::geoDistance($adminLocation, ['lat' => $iterator->location_lat, 'lon' => $iterator->location_lon])] = $iterator->server_id;
251			}
252			if ($clients > $maxSupportedClients * 0.9) {
253			$this->loggerInstance->debug(1, "A RADIUS server for Managed SP (" . $iterator->server_id . ") is serving at more than 90% capacity!");
254			}
255			}
256			if (count($serverCandidates) == 0 && $federation != "DEFAULT") {
257			// we look in the default pool instead
258			// recursivity! Isn't that cool!
259			return $this->findGoodServerLocation($adminLocation, "DEFAULT", $blacklistedServers);
260			}
261			if (count($serverCandidates) == 0) {
262			throw new Exception("No available server found for new SP! $federation ".print_r($serverCandidates, true));
263			}
264			// put the nearest server on top of the list
265			ksort($serverCandidates);
266			$this->loggerInstance->debug(1, $serverCandidates);
267			return array_shift($serverCandidates);
268			}
269
270			/**
271			* initialises a new SP
272			*
273			* @return array details of the SP as generated during initialisation
274			* @throws Exception
275			*/
276			private function initialise() {
277			// find out where the admin is located approximately
278			$ourLocation = ['lon' => 0, 'lat' => 0];
279			$geoip = DeviceLocation::locateDevice();
280			if ($geoip['status'] == 'ok') {
281			$ourLocation = ['lon' => $geoip['geo']['lon'], 'lat' => $geoip['geo']['lat']];
282			}
283			$inst = new IdP($this->institution);
284			$ourserver = $this->findGoodServerLocation($ourLocation, $inst->federation , []);
285			// now, find an unused port in the preferred server
286			$foundFreePort1 = 0;
287			while ($foundFreePort1 == 0) {
288			$portCandidate = random_int(1200, 65535);
289			$check = $this->databaseHandle->exec("SELECT port_instance_1 FROM deployment WHERE radius_instance_1 = '" . $ourserver . "' AND port_instance_1 = $portCandidate");
290			if (mysqli_num_rows(/** @scrutinizer ignore-type */ $check) == 0) {
291			$foundFreePort1 = $portCandidate;
292			}
293			}
294			$ourSecondServer = $this->findGoodServerLocation($ourLocation, $inst->federation , [$ourserver]);
295			$foundFreePort2 = 0;
296			while ($foundFreePort2 == 0) {
297			$portCandidate = random_int(1200, 65535);
298			$check = $this->databaseHandle->exec("SELECT port_instance_2 FROM deployment WHERE radius_instance_2 = '" . $ourSecondServer . "' AND port_instance_2 = $portCandidate");
299			if (mysqli_num_rows(/** @scrutinizer ignore-type */ $check) == 0) {
300			$foundFreePort2 = $portCandidate;
301			}
302			}
303			// and make up a shared secret that is halfways readable
304			$futureSecret = $this->randomString(16, "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ");
305			$this->databaseHandle->exec("UPDATE deployment SET radius_instance_1 = '" . $ourserver . "', radius_instance_2 = '" . $ourSecondServer . "', port_instance_1 = $foundFreePort1, port_instance_2 = $foundFreePort2, secret = '$futureSecret' WHERE deployment_id = $this->identifier");
306			return ["port_instance_1" => $foundFreePort1, "port_instance_2" => $foundFreePort2, "secret" => $futureSecret, "radius_instance_1" => $ourserver, "radius_instance_2" => $ourserver];
307			}
308
309			/**
310			* update the last_changed timestamp for this deployment
311			*
312			* @return void
313			*/
314			public function updateFreshness() {
315			$this->databaseHandle->exec("UPDATE deployment SET last_change = CURRENT_TIMESTAMP WHERE deployment_id = $this->identifier");
316			}
317
318			/**
319			* gets the last-modified timestamp (useful for caching "dirty" check)
320			*
321			* @return string the date in string form, as returned by SQL
322			*/
323			public function getFreshness() {
324			$execLastChange = $this->databaseHandle->exec("SELECT last_change FROM deployment WHERE deployment_id = $this->identifier");
325			// SELECT always returns a resource, never a boolean
326			if ($freshnessQuery = mysqli_fetch_object(/** @scrutinizer ignore-type */ $execLastChange)) {
327			return $freshnessQuery->last_change;
328			}
329			}
330
331			/**
332			* Deletes the deployment from database
333			*
334			* @return void
335			*/
336			public function destroy() {
337			$this->databaseHandle->exec("DELETE FROM deployment_option WHERE deployment_id = $this->identifier");
338			$this->databaseHandle->exec("DELETE FROM deployment WHERE deployment_id = $this->identifier");
339			}
340
341			/**
342			* deactivates the deployment.
343			* TODO: needs to call the RADIUS server reconfiguration routines...
			0 ignored issues – show Coding Style Best Practice introduced 2019-03-07 06:55 UTC by Report Bug Copy Issue Report Comments for TODO tasks are often forgotten in the code; it might be better to use a dedicated issue tracker. Loading history...
344			*
345			* @return void
346			*/
347			public function deactivate() {
348			$this->databaseHandle->exec("UPDATE deployment SET status = " . DeploymentManaged::INACTIVE . " WHERE deployment_id = $this->identifier");
349			}
350
351			/**
352			* activates the deployment.
353			* TODO: needs to call the RADIUS server reconfiguration routines...
			0 ignored issues – show Coding Style Best Practice introduced 2019-03-07 06:55 UTC by Report Bug Copy Issue Report Comments for TODO tasks are often forgotten in the code; it might be better to use a dedicated issue tracker. Loading history...
354			*
355			* @return void
356			*/
357			public function activate() {
358			$this->databaseHandle->exec("UPDATE deployment SET status = " . DeploymentManaged::ACTIVE . " WHERE deployment_id = $this->identifier");
359			}
360
361			/**
362			* determines the Operator-Name attribute content to use in the RADIUS config
363			*
364			* @return string
365			*/
366			public function getOperatorName() {
367			$customAttrib = $this->getAttributes("managedsp:operatorname");
368			if (count($customAttrib) == 0) {
369			return "1sp.".$this->identifier."-".$this->institution.\config\ConfAssistant::SILVERBULLET['realm_suffix'];
370			}
371			return $customAttrib[0]["value"];
372			}
373
374			/**
375			* send request to RADIUS configuration daemom
376			*
377			* @param integer $idx
			0 ignored issues – show Coding Style introduced 2019-05-10 10:20 UTC by Report Bug Copy Issue Report Missing parameter comment Loading history...
378			* @param string $post
			0 ignored issues – show Coding Style introduced 2019-05-10 10:20 UTC by Report Bug Copy Issue Report Expected 2 spaces after parameter type; 1 found Loading history...
379			* @return string - response
380			*/
381			public function sendToRADIUS($idx, $post) {
382
383			$hostname = "radius_hostname_$idx";
384			$ch = curl_init( "http://" . $this->$hostname );
385			if ($ch) {
			0 ignored issues – show introduced 2019-04-30 11:18 UTC by Report Bug Copy Issue Report `$ch` is of type `false\|resource`, thus it always evaluated to `false`. Loading history...
386			curl_setopt( $ch, CURLOPT_POST, 1);
387			curl_setopt( $ch, CURLOPT_POSTFIELDS, $post);
388			$this->loggerInstance->debug(1, "Posting to http://" . $this->$hostname . ": $post\n");
389			curl_setopt( $ch, CURLOPT_FOLLOWLOCATION, 1);
390			curl_setopt( $ch, CURLOPT_HEADER, 0);
391			curl_setopt( $ch, CURLOPT_RETURNTRANSFER, 1);
392			$res = curl_exec( $ch );
393			if ($res === FALSE) {
394			$res = 'FAILURE';
395			}
396			$this->loggerInstance->debug(1, "Response from FR configurator: $res\n");
397			} else {
398			$res = 'FAILURE';
399			}
400			$this->databaseHandle->exec("UPDATE deployment SET radius_status_$idx = " . ($res == 'OK'? \core\AbstractDeployment::RADIUS_OK : \core\AbstractDeployment::RADIUS_FAILURE) . " WHERE deployment_id = $this->identifier");
401			return $res;
402			}
403
404			/**
405			* prepare request to add/modify RADIUS settings for given deployment
406			*
407			* @param int $remove - the flag indicating remove request
408			* @return array - index 1 indicate primary RADIUS status, index 2 backup RADIUS status
409			*/
410			public function setRADIUSconfig($remove = 0) {
411			$toPost = array(1 => '', 2 => '');
412			$toPost[1] = 'instid=' . $this->institution . '&deploymentid=' . $this->identifier . '&secret=' . $this->secret . '&country=' . $this->getAttributes("internal:country")[0]['value'] . '&';
413			if ($remove) {
414			$toPost[1] = $toPost[1] . 'remove=1&';
415			} else {
416			if ($this->getAttributes("managedsp:operatorname")[0]['value'] ?? NULL) {
417			$toPost[1] = $toPost[1] . 'operatorname=' . $this->getAttributes("managedsp:operatorname")[0]['value'] . '&';
418			}
419			if ($this->getAttributes("managedsp:vlan")[0]['value'] ?? NULL) {
420			$idp = new IdP($this->institution);
421			$allProfiles = $idp->listProfiles(TRUE);
422			$allRealms = [];
423			if (($this->getAttributes("managedsp:realmforvlan") ?? NULL)) {
424			$allRealms = array_values(array_unique(array_column($this->getAttributes("managedsp:realmforvlan"), "value")));
425			}
426			foreach ($allProfiles as $profile) {
427			if ($realm = ($profile->getAttributes("internal:realm")[0]['value'] ?? NULL)) {
428			if (!in_array($realm, $allRealms)) {
429			$allRealms[] = $realm;
430			}
431			}
432			}
433			if (!empty($allRealms)) {
434			$toPost[1] = $toPost[1] . 'vlan=' . $this->getAttributes("managedsp:vlan")[0]['value'] . '&';
435			$toPost[1] = $toPost[1] . 'realmforvlan[]=' . implode('&realmforvlan[]=', $allRealms) . '&';
436			}
437			}
438			}
439			$toPost[2] = $toPost[1];
440			$toPost[1] = $toPost[1] . 'port=' . $this->port1;
441			$toPost[2] = $toPost[2] . 'port=' . $this->port2;
442			$response = array();
443			for ($idx=1; $idx<=2; $idx++) {
444			$response[$idx] = $this->sendToRADIUS($idx, $toPost[$idx]);
445			}
446			return $response;
447			}
448			}
449

GEANT / CAT

Push — master ( b32147...6275ed )

DeploymentManaged::setRADIUSconfig() B

Complexity

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Duplication

Importance

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