GEANT /
CAT
| Total Complexity | 45 |
| Total Lines | 461 |
| Duplicated Lines | 0 % |
| Changes | 5 | ||
| Bugs | 0 | Features | 0 |
Complex classes like CertificationAuthorityEduPkiServer often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use CertificationAuthorityEduPkiServer, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 17 | class CertificationAuthorityEduPkiServer extends EntityWithDBProperties implements CertificationAuthorityInterface |
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| 18 | { |
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| 19 | |||
| 20 | private const LOCATION_RA_CERT = ROOT . "/config/SilverbulletClientCerts/edupki-test-ra.pem"; |
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| 21 | private const LOCATION_RA_KEY = ROOT . "/config/SilverbulletClientCerts/edupki-test-ra.clearkey"; |
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| 22 | private const LOCATION_WEBROOT = ROOT . "/config/SilverbulletClientCerts/eduPKI-webserver-root.pem"; |
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| 23 | private const EDUPKI_RA_ID = 700; |
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| 24 | private const EDUPKI_CERT_PROFILE = "Radius Server SOAP"; |
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| 25 | private const EDUPKI_RA_PKEY_PASSPHRASE = "..."; |
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| 26 | |||
| 27 | /** |
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| 28 | * sets up the environment so that we can talk to eduPKI |
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| 29 | * |
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| 30 | * @throws Exception |
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| 31 | */ |
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| 32 | public function __construct() |
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| 33 | { |
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| 34 | $this->databaseType = "INST"; |
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| 35 | parent::__construct(); |
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| 36 | |||
| 37 | if (stat(CertificationAuthorityEduPkiServer::LOCATION_RA_CERT) === FALSE) { |
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| 38 | throw new Exception("RA operator PEM file not found: " . CertificationAuthorityEduPkiServer::LOCATION_RA_CERT); |
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| 39 | } |
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| 40 | if (stat(CertificationAuthorityEduPkiServer::LOCATION_RA_KEY) === FALSE) { |
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| 41 | throw new Exception("RA operator private key file not found: " . CertificationAuthorityEduPkiServer::LOCATION_RA_KEY); |
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| 42 | } |
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| 43 | if (stat(CertificationAuthorityEduPkiServer::LOCATION_WEBROOT) === FALSE) { |
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| 44 | throw new Exception("CA website root CA file not found: " . CertificationAuthorityEduPkiServer::LOCATION_WEBROOT); |
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| 45 | } |
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| 46 | } |
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| 47 | |||
| 48 | /** |
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| 49 | * Creates an updated OCSP statement. Nothing to be done here - eduPKI have |
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| 50 | * their own OCSP responder and the certs point to it. So we are not in the |
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| 51 | * loop. |
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| 52 | * |
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| 53 | * @param string $serial serial number of the certificate. Serials are 128 bit, so forcibly a string. |
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| 54 | * @return string a dummy string instead of a real statement |
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| 55 | */ |
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| 56 | public function triggerNewOCSPStatement($serial): string |
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| 60 | } |
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| 61 | |||
| 62 | /** |
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| 63 | * signs a CSR and returns the certificate (blocking wait) |
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| 64 | * |
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| 65 | * @param array $csr the request structure. The member $csr['CSR'] must contain the CSR in *PEM* format |
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| 66 | * @param integer $expiryDays how many days should the certificate be valid |
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| 67 | * @return array the certificate with some meta info |
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| 68 | * @throws Exception |
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| 69 | */ |
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| 70 | public function signRequest($csr, $expiryDays): array { |
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| 71 | $revocationPin = common\Entity::randomString(10, "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"); |
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| 72 | $soapReqnum = $this->sendRequestToCa($csr, $revocationPin, $expiryDays); |
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| 73 | sleep(55); |
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| 74 | // now, get the actual cert from the CA |
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| 75 | return $this->pickupFinalCert($soapReqnum, TRUE); |
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| 76 | } |
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| 77 | |||
| 78 | /** |
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| 79 | * sends the request to the CA and asks for the certificate. Does not block |
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| 80 | * until the certificate is issued, it needs to be picked up seperately |
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| 81 | * using its request number. |
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| 82 | * |
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| 83 | * @param array $csr the CSR to sign. The member $csr['CSR'] must contain the CSR in *PEM* format |
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| 84 | * @param string $revocationPin a PIN to be able to revoke the cert later on |
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| 85 | * @param int $expiryDays how many days should the certificate be valid |
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| 86 | * @return int the request serial number |
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| 87 | * @throws Exception |
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| 88 | */ |
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| 89 | public function sendRequestToCa($csr, $revocationPin, $expiryDays): int |
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| 90 | { |
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| 91 | // initialise connection to eduPKI CA / eduroam RA and send the request to them |
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| 92 | try { |
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| 93 | $altArray = [# Array mit den Subject Alternative Names |
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| 94 | "email:" . $csr["USERMAIL"] |
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| 95 | ]; |
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| 96 | $soapPub = $this->initEduPKISoapSession("PUBLIC"); |
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| 97 | $this->loggerInstance->debug(5, "FIRST ACTUAL SOAP REQUEST (Public, newRequest)!\n"); |
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| 98 | $this->loggerInstance->debug(5, "PARAM_1: " . CertificationAuthorityEduPkiServer::EDUPKI_RA_ID . "\n"); |
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| 99 | $this->loggerInstance->debug(5, "PARAM_2: " . $csr["CSR"] . "\n"); |
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| 100 | $this->loggerInstance->debug(5, "PARAM_3: "); |
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| 101 | $this->loggerInstance->debug(5, $altArray); |
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| 102 | $this->loggerInstance->debug(5, "PARAM_4: " . CertificationAuthorityEduPkiServer::EDUPKI_CERT_PROFILE . "\n"); |
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| 103 | $this->loggerInstance->debug(5, "PARAM_5: " . sha1("notused") . "\n"); |
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| 104 | $this->loggerInstance->debug(5, "PARAM_6: " . $csr["USERNAME"] . "\n"); |
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| 105 | $this->loggerInstance->debug(5, "PARAM_7: " . $csr["USERMAIL"] . "\n"); |
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| 106 | $this->loggerInstance->debug(5, "PARAM_8: " . ProfileSilverbullet::PRODUCTNAME . "\n"); |
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| 107 | $this->loggerInstance->debug(5, "PARAM_9: false\n"); |
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| 108 | $soapNewRequest = $soapPub->newRequest( |
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| 109 | CertificationAuthorityEduPkiServer::EDUPKI_RA_ID, # RA-ID |
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| 110 | $csr["CSR"], # Request im PEM-Format |
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| 111 | $altArray, # altNames |
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| 112 | CertificationAuthorityEduPkiServer::EDUPKI_CERT_PROFILE, # Zertifikatprofil |
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| 113 | sha1($revocationPin), # PIN |
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| 114 | $csr["USERNAME"], # Name des Antragstellers |
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| 115 | $csr["USERMAIL"], # Kontakt-E-Mail |
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| 116 | ProfileSilverbullet::PRODUCTNAME, # Organisationseinheit des Antragstellers |
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| 117 | false # Veröffentlichen des Zertifikats? |
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| 118 | ); |
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| 119 | $this->loggerInstance->debug(5, $soapPub->__getLastRequest()); |
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| 120 | $this->loggerInstance->debug(5, $soapPub->__getLastResponse()); |
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| 121 | if ($soapNewRequest == 0) { |
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| 122 | throw new Exception("Error when sending SOAP request (request serial number was zero). No further details available."); |
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| 123 | } |
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| 124 | $soapReqnum = intval($soapNewRequest); |
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| 125 | } catch (Exception $e) { |
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| 126 | // PHP 7.1 can do this much better |
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| 127 | if (is_soap_fault($e)) { |
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| 128 | throw new Exception("Error when sending SOAP request: " . "{$e->faultcode}: { |
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| 129 | $e->faultstring |
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| 130 | }\n"); |
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| 131 | } |
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| 132 | throw new Exception("Something odd happened while doing the SOAP request:" . $e->getMessage()); |
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| 133 | } |
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| 134 | try { |
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| 135 | $soap = $this->initEduPKISoapSession("RA"); |
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| 136 | // tell the CA the desired expiry date of the new certificate |
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| 137 | $expiry = new \DateTime(); |
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| 138 | // FIXME the current test interface does not like 5 years... |
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| 139 | //$expiry->modify("+$expiryDays day"); |
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| 140 | $expiry->modify("+365 day"); |
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| 141 | $expiry->setTimezone(new \DateTimeZone("UTC")); |
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| 142 | $soapExpiryChange = $soap->setRequestParameters( |
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| 143 | $soapReqnum, [ |
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| 144 | "RaID" => CertificationAuthorityEduPkiServer::EDUPKI_RA_ID, |
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| 145 | "Role" => CertificationAuthorityEduPkiServer::EDUPKI_CERT_PROFILE, |
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| 146 | "Subject" => $csr['SUBJECT'], |
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| 147 | "SubjectAltNames" => $altArray, |
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| 148 | "NotBefore" => (new \DateTime())->format('c'), |
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| 149 | "NotAfter" => $expiry->format('c'), |
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| 150 | ] |
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| 151 | ); |
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| 152 | if ($soapExpiryChange === FALSE) { |
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| 153 | throw new Exception("Error when sending SOAP request (unable to change expiry date)."); |
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| 154 | } |
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| 155 | // retrieve the raw request to prepare for signature and approval |
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| 156 | // this seems to come out base64-decoded already; maybe PHP |
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| 157 | // considers this "convenience"? But we need it as sent on |
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| 158 | // the wire, so re-encode it! |
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| 159 | $soapCleartext = $soap->getRawRequest($soapReqnum); |
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| 160 | |||
| 161 | $this->loggerInstance->debug(5, "Actual received SOAP resonse for getRawRequest was:\n\n"); |
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| 162 | $this->loggerInstance->debug(5, $soap->__getLastResponse()); |
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| 163 | // for obnoxious reasons, we have to dump the request into a file and let pkcs7_sign read from the file |
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| 164 | // rather than just using the string. Grr. |
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| 165 | $tempdir = \core\common\Entity::createTemporaryDirectory("test"); |
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| 166 | file_put_contents($tempdir['dir'] . "/content.txt", $soapCleartext); |
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| 167 | // retrieve our RA cert from filesystem |
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| 168 | // the RA certificates are not needed right now because we |
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| 169 | // have resorted to S/MIME signatures with openssl command-line |
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| 170 | // rather than the built-in functions. But that may change in |
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| 171 | // the future, so let's park these two lines for future use. |
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| 172 | // $raCertFile = file_get_contents(ROOT . "/config/SilverbulletClientCerts/edupki-test-ra.pem"); |
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| 173 | // $raCert = openssl_x509_read($raCertFile); |
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| 174 | // $raKey = openssl_pkey_get_private("file://" . ROOT . "/config/SilverbulletClientCerts/edupki-test-ra.clearkey"); |
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| 175 | // sign the data, using cmdline because openssl_pkcs7_sign produces strange results |
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| 176 | // -binary didn't help, nor switch -md to sha1 sha256 or sha512 |
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| 177 | $this->loggerInstance->debug(5, "Actual content to be signed is this:\n $soapCleartext\n"); |
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| 178 | $execCmd = CONFIG['PATHS']['openssl'] . " smime -sign -binary -in " . $tempdir['dir'] . "/content.txt -out " . $tempdir['dir'] . "/signature.txt -outform pem -inkey " . ROOT . "/config/SilverbulletClientCerts/edupki-test-ra.clearkey -signer " . ROOT . "/config/SilverbulletClientCerts/edupki-test-ra.pem"; |
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| 179 | $this->loggerInstance->debug(2, "Calling openssl smime with following cmdline: $execCmd\n"); |
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| 180 | $output = []; |
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| 181 | $return = 999; |
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| 182 | exec($execCmd, $output, $return); |
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| 183 | if ($return !== 0) { |
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| 184 | throw new Exception("Non-zero return value from openssl smime!"); |
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| 185 | } |
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| 186 | // and get the signature blob back from the filesystem |
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| 187 | $detachedSig = trim(file_get_contents($tempdir['dir'] . "/signature.txt")); |
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| 188 | $this->loggerInstance->debug(5, "Request for server approveRequest has parameters:\n"); |
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| 189 | $this->loggerInstance->debug(5, $soapReqnum . "\n"); |
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| 190 | $this->loggerInstance->debug(5, $soapCleartext . "\n"); // PHP magically encodes this as base64 while sending! |
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| 191 | $this->loggerInstance->debug(5, $detachedSig . "\n"); |
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| 192 | $soapIssueCert = $soap->approveRequest($soapReqnum, $soapCleartext, $detachedSig); |
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| 193 | $this->loggerInstance->debug(5, "approveRequest Request was: \n" . $soap->__getLastRequest()); |
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| 194 | $this->loggerInstance->debug(5, "approveRequest Response was: \n" . $soap->__getLastResponse()); |
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| 195 | if ($soapIssueCert === FALSE) { |
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| 196 | throw new Exception("The locally approved request was NOT processed by the CA."); |
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| 197 | } |
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| 198 | } catch (SoapFault $e) { |
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| 199 | throw new Exception("SoapFault: Error when sending or receiving SOAP message: " . "{$e->faultcode}: {$e->faultname}: {$e->faultstring}: {$e->faultactor}: {$e->detail}: {$e->headerfault}\n"); |
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| 200 | } catch (Exception $e) { |
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| 201 | throw new Exception("Exception: Something odd happened between the SOAP requests:" . $e->getMessage()); |
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| 202 | } |
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| 203 | return $soapReqnum; |
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| 204 | } |
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| 205 | |||
| 206 | /** |
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| 207 | * Polls the CA regularly until it gets the certificate for the request at hand. Gives up after 5 minutes. |
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| 208 | * |
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| 209 | * @param int $soapReqnum the certificate request for which the cert should be picked up |
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| 210 | * @return array the certificate along with some meta info |
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| 211 | * @throws Exception |
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| 212 | */ |
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| 213 | public function pickupFinalCert($soapReqnum, $wait) |
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| 260 | ]; |
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| 261 | } |
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| 262 | |||
| 263 | /** |
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| 264 | * revokes a certificate |
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| 265 | * |
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| 266 | * @param string $serial the serial, as a string because it is a 128 bit number |
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| 267 | * @return void |
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| 268 | * @throws Exception |
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| 269 | */ |
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| 270 | public function revokeCertificate($serial): void |
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| 271 | { |
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| 272 | try { |
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| 273 | $soap = $this->initEduPKISoapSession("RA"); |
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| 274 | $soapRevocationSerial = $soap->newRevocationRequest(["Serial", $serial], ""); |
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| 275 | if ($soapRevocationSerial == 0) { |
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| 276 | throw new Exception("Unable to create revocation request, serial number was zero."); |
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| 277 | } |
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| 278 | // retrieve the raw request to prepare for signature and approval |
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| 279 | $soapRawRevRequest = $soap->getRawRevocationRequest($soapRevocationSerial); |
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| 280 | if (strlen($soapRawRevRequest) < 10) { // very basic error handling |
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| 281 | throw new Exception("Suspiciously short data to sign!"); |
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| 282 | } |
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| 283 | // for obnoxious reasons, we have to dump the request into a file and let pkcs7_sign read from the file |
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| 284 | // rather than just using the string. Grr. |
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| 285 | $tempdir = \core\common\Entity::createTemporaryDirectory("test"); |
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| 286 | file_put_contents($tempdir['dir'] . "/content.txt", $soapRawRevRequest); |
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| 287 | // retrieve our RA cert from filesystem |
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| 288 | // sign the data, using cmdline because openssl_pkcs7_sign produces strange results |
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| 289 | // -binary didn't help, nor switch -md to sha1 sha256 or sha512 |
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| 290 | $this->loggerInstance->debug(5, "Actual content to be signed is this:\n$soapRawRevRequest\n"); |
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| 291 | $execCmd = CONFIG['PATHS']['openssl'] . " smime -sign -binary -in " . $tempdir['dir'] . "/content.txt -out " . $tempdir['dir'] . "/signature.txt -outform pem -inkey " . CertificationAuthorityEduPkiServer::LOCATION_RA_KEY . " -signer " . CertificationAuthorityEduPkiServer::LOCATION_RA_CERT; |
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| 292 | $this->loggerInstance->debug(2, "Calling openssl smime with following cmdline: $execCmd\n"); |
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| 293 | $output = []; |
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| 294 | $return = 999; |
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| 295 | exec($execCmd, $output, $return); |
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| 296 | if ($return !== 0) { |
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| 297 | throw new Exception("Non-zero return value from openssl smime!"); |
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| 298 | } |
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| 299 | // and get the signature blob back from the filesystem |
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| 300 | $detachedSig = trim(file_get_contents($tempdir['dir'] . "/signature.txt")); |
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| 301 | $soapIssueRev = $soap->approveRevocationRequest($soapRevocationSerial, $soapRawRevRequest, $detachedSig); |
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| 302 | if ($soapIssueRev === FALSE) { |
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| 303 | throw new Exception("The locally approved revocation request was NOT processed by the CA."); |
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| 304 | } |
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| 305 | } catch (Exception $e) { |
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| 306 | // PHP 7.1 can do this much better |
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| 307 | if (is_soap_fault($e)) { |
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| 308 | throw new Exception("Error when sending SOAP request: " . "{$e->faultcode}: {$e->faultstring}\n"); |
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| 309 | } |
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| 310 | throw new Exception("Something odd happened while doing the SOAP request:" . $e->getMessage()); |
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| 311 | } |
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| 312 | } |
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| 313 | |||
| 314 | /** |
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| 315 | * sets up a connection to the eduPKI SOAP interfaces |
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| 316 | * There is a public interface and an RA-restricted interface; |
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| 317 | * the latter needs an RA client certificate to identify the operator |
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| 318 | * |
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| 319 | * @param string $type to which interface should we connect to - "PUBLIC" or "RA" |
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| 320 | * @return \SoapClient the connection object |
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| 321 | * @throws Exception |
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| 322 | */ |
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| 323 | private function initEduPKISoapSession($type) |
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| 324 | { |
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| 325 | // set context parameters common to both endpoints |
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| 326 | $context_params = [ |
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| 327 | 'http' => [ |
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| 328 | 'timeout' => 60, |
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| 329 | 'user_agent' => 'Stefan', |
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| 330 | 'protocol_version' => 1.1 |
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| 331 | ], |
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| 332 | 'ssl' => [ |
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| 333 | 'verify_peer' => true, |
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| 334 | 'verify_peer_name' => true, |
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| 335 | // below is the CA "/C=DE/O=Deutsche Telekom AG/OU=T-TeleSec Trust Center/CN=Deutsche Telekom Root CA 2" |
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| 336 | 'cafile' => CertificationAuthorityEduPkiServer::LOCATION_WEBROOT, |
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| 337 | 'verify_depth' => 5, |
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| 338 | 'capture_peer_cert' => true, |
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| 339 | ], |
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| 340 | ]; |
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| 341 | $url = ""; |
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| 342 | switch ($type) { |
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| 343 | case "PUBLIC": |
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| 344 | $url = "https://pki.edupki.org/edupki-test-ca/cgi-bin/pub/soap?wsdl=1"; |
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| 345 | $context_params['ssl']['peer_name'] = 'pki.edupki.org'; |
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| 346 | break; |
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| 347 | case "RA": |
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| 348 | $url = "https://ra.edupki.org/edupki-test-ca/cgi-bin/ra/soap?wsdl=1"; |
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| 349 | $context_params['ssl']['peer_name'] = 'ra.edupki.org'; |
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| 350 | break; |
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| 351 | default: |
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| 352 | throw new Exception("Unknown type of eduPKI interface requested."); |
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| 353 | } |
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| 354 | if ($type == "RA") { // add client auth parameters to the context |
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| 355 | $context_params['ssl']['local_cert'] = CertificationAuthorityEduPkiServer::LOCATION_RA_CERT; |
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| 356 | $context_params['ssl']['local_pk'] = CertificationAuthorityEduPkiServer::LOCATION_RA_KEY; |
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| 357 | // $context_params['ssl']['passphrase'] = SilverbulletCertificate::EDUPKI_RA_PKEY_PASSPHRASE; |
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| 358 | } |
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| 359 | // initialse connection to eduPKI CA / eduroam RA |
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| 360 | $soap = new \SoapClient($url, [ |
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| 361 | 'soap_version' => SOAP_1_1, |
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| 362 | 'trace' => TRUE, |
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| 363 | 'exceptions' => TRUE, |
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| 364 | 'connection_timeout' => 5, // if can't establish the connection within 5 sec, something's wrong |
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| 365 | 'cache_wsdl' => WSDL_CACHE_NONE, |
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| 366 | 'user_agent' => 'eduroam CAT to eduPKI SOAP Interface', |
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| 367 | 'features' => SOAP_SINGLE_ELEMENT_ARRAYS, |
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| 368 | 'stream_context' => stream_context_create($context_params), |
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| 369 | 'typemap' => [ |
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| 370 | [ |
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| 371 | 'type_ns' => 'http://www.w3.org/2001/XMLSchema', |
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| 372 | 'type_name' => 'integer', |
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| 373 | 'from_xml' => 'core\CertificationAuthorityEduPkiServer::soapFromXmlInteger', |
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| 374 | 'to_xml' => 'core\CertificationAuthorityEduPkiServer::soapToXmlInteger', |
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| 375 | ], |
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| 376 | ], |
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| 377 | ] |
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| 378 | ); |
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| 379 | return $soap; |
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| 380 | } |
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| 381 | |||
| 382 | /** |
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| 383 | * a function that converts integers beyond PHP_INT_MAX to strings for |
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| 384 | * sending in XML messages |
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| 385 | * |
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| 386 | * taken and adapted from |
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| 387 | * https://www.uni-muenster.de/WWUCA/de/howto-special-phpsoap.html |
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| 388 | * |
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| 389 | * @param string $x the integer as an XML fragment |
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| 390 | * @return array the integer in array notation |
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| 391 | */ |
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| 392 | public function soapFromXmlInteger($x) |
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| 393 | { |
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| 394 | $y = simplexml_load_string($x); |
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| 395 | return array( |
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| 396 | $y->getName(), |
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| 397 | $y->__toString() |
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| 398 | ); |
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| 399 | } |
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| 400 | |||
| 401 | /** |
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| 402 | * a function that converts integers beyond PHP_INT_MAX to strings for |
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| 403 | * sending in XML messages |
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| 404 | * |
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| 405 | * @param array $x the integer in array notation |
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| 406 | * @return string the integer as string in an XML fragment |
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| 407 | */ |
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| 408 | public function soapToXmlInteger($x) |
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| 409 | { |
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| 410 | return '<' . $x[0] . '>' |
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| 411 | . htmlentities($x[1], ENT_NOQUOTES | ENT_XML1) |
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| 412 | . '</' . $x[0] . '>'; |
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| 413 | } |
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| 414 | |||
| 415 | /** |
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| 416 | * generates a CSR which eduPKI likes (DC components etc.) |
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| 417 | * |
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| 418 | * @param \resource $privateKey a private key |
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| 419 | * @param string $fed name of the federation, for C= field |
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| 420 | * @param string $username username, for CN= field |
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| 421 | * @return array the CSR along with some meta information |
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| 422 | * @throws Exception |
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| 423 | */ |
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| 424 | public function generateCompatibleCsr($privateKey, $fed, $username): array |
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| 425 | { |
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| 426 | $tempdirArray = \core\common\Entity::createTemporaryDirectory("test"); |
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| 427 | $tempdir = $tempdirArray['dir']; |
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| 428 | // dump private key into directory |
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| 429 | $outstring = ""; |
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| 430 | openssl_pkey_export($privateKey, $outstring); |
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| 431 | file_put_contents($tempdir . "/pkey.pem", $outstring); |
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| 432 | // PHP can only do one DC in the Subject. But we need three. |
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| 433 | $execCmd = CONFIG['PATHS']['openssl'] . " req -new -sha256 -key $tempdir/pkey.pem -out $tempdir/request.csr -subj /DC=test/DC=test/DC=eduroam/C=$fed/O=" . \config\ConfAssistant::CONSORTIUM['name'] . "/OU=$fed/CN=$username/emailAddress=$username"; |
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| 434 | $this->loggerInstance->debug(2, "Calling openssl req with following cmdline: $execCmd\n"); |
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| 435 | $output = []; |
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| 436 | $return = 999; |
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| 437 | exec($execCmd, $output, $return); |
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| 438 | if ($return !== 0) { |
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| 439 | throw new Exception("Non-zero return value from openssl req!"); |
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| 440 | } |
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| 441 | $newCsr = file_get_contents("$tempdir/request.csr"); |
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| 442 | // remove the temp dir! |
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| 443 | unlink("$tempdir/pkey.pem"); |
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| 444 | unlink("$tempdir/request.csr"); |
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| 445 | rmdir($tempdir); |
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| 446 | if ($newCsr === FALSE) { |
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| 447 | throw new Exception("Unable to create a CSR!"); |
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| 448 | } |
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| 449 | return [ |
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| 450 | "CSR" => $newCsr, // a string |
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| 451 | "USERNAME" => $username, |
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| 452 | "FED" => $fed |
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| 453 | ]; |
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| 454 | } |
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| 455 | |||
| 456 | /** |
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| 457 | * generates a private key eduPKI can handle |
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| 458 | * |
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| 459 | * @return \resource the key |
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| 460 | * @throws Exception |
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| 461 | */ |
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| 462 | public function generateCompatiblePrivateKey() |
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| 469 | } |
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| 470 | |||
| 471 | /** |
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| 472 | * CAs don't have any local caching or other freshness issues |
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| 473 | * |
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| 474 | * @return void |
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| 475 | */ |
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| 476 | public function updateFreshness() |
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| 478 | // nothing to be done here. |
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| 479 | } |
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| 480 | |||
| 481 | } |
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| 482 |
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