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<?php |
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/* |
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* ***************************************************************************** |
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* Contributions to this work were made on behalf of the GÉANT project, a |
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* project that has received funding from the European Union’s Framework |
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* Programme 7 under Grant Agreements No. 238875 (GN3) and No. 605243 (GN3plus), |
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* Horizon 2020 research and innovation programme under Grant Agreements No. |
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* 691567 (GN4-1) and No. 731122 (GN4-2). |
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* On behalf of the aforementioned projects, GEANT Association is the sole owner |
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* of the copyright in all material which was developed by a member of the GÉANT |
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* project. GÉANT Vereniging (Association) is registered with the Chamber of |
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* Commerce in Amsterdam with registration number 40535155 and operates in the |
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* UK as a branch of GÉANT Vereniging. |
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* |
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* Registered office: Hoekenrode 3, 1102BR Amsterdam, The Netherlands. |
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* UK branch address: City House, 126-130 Hills Road, Cambridge CB2 1PQ, UK |
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* |
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* License: see the web/copyright.inc.php file in the file structure or |
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* <base_url>/copyright.php after deploying the software |
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*/ |
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namespace web\lib\common; |
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use \Exception; |
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/** |
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* performs validation of user inputs |
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*/ |
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class InputValidation extends \core\common\Entity |
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{ |
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/** |
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* returns a simple HTML <p> element with basic explanations about what was |
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* wrong with the input |
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* |
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* @param string $customtext explanation provided by the validator function |
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* @return string |
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*/ |
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private function inputValidationError($customtext) |
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{ |
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\core\common\Entity::intoThePotatoes(); |
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$retval = "<p>" . _("Input validation error: ") . $customtext . "</p>"; |
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\core\common\Entity::outOfThePotatoes(); |
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return $retval; |
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} |
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/** |
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* Is this a known Federation? Optionally, also check if the authenticated |
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* user is a federation admin of that federation |
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* @param mixed $input the ISO code of the federation |
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* @param string|NULL $owner the authenticated username, optional |
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* @return \core\Federation |
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* @throws Exception |
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*/ |
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public function existingFederation($input, $owner = NULL) |
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{ |
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$cat = new \core\CAT(); // initialises Entity static members |
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$fedIdentifiers = array_keys($cat->knownFederations); |
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if (!in_array(strtoupper($input), $fedIdentifiers)) { |
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throw new Exception($this->inputValidationError(sprintf("This %s does not exist!", \core\common\Entity::$nomenclature_fed))); |
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} |
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// totally circular, but this hopefully *finally* make Scrutinizer happier |
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$correctIndex = array_search(strtoupper($input), $fedIdentifiers); |
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$postFed = $fedIdentifiers[$correctIndex]; |
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$temp = new \core\Federation($postFed); |
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if ($owner === NULL) { |
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return $temp; |
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} |
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foreach ($temp->listFederationAdmins() as $oneowner) { |
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if ($oneowner == $owner) { |
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return $temp; |
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} |
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} |
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throw new Exception($this->inputValidationError(sprintf("User is not %s administrator!", \core\common\Entity::$nomenclature_fed))); |
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} |
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/** |
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* Is this a known Federation? Optionally, also check if the authenticated |
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* user is a federation admin of that federation |
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* @param mixed $input the ISO code of the federation |
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* @param string|NULL $owner the authenticated username, optional |
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* @return array(\core\Federation, string) |
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* @throws Exception |
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*/ |
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public function existingFederationInt($input, $owner = NULL) |
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{ |
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$cat = new \core\CAT(); // initialises Entity static members |
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$fedIdentifiers = array_keys($cat->knownFederations); |
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if (!in_array(strtoupper($input), $fedIdentifiers)) { |
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throw new Exception($this->inputValidationError(sprintf("This %s does not exist!", \core\common\Entity::$nomenclature_fed))); |
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} |
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// totally circular, but this hopefully *finally* make Scrutinizer happier |
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$correctIndex = array_search(strtoupper($input), $fedIdentifiers); |
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$postFed = $fedIdentifiers[$correctIndex]; |
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$temp = new \core\Federation($postFed); |
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if ($owner === NULL) { |
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return [$temp,'readonly']; |
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} |
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$user = new \core\User($owner); |
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foreach ($temp->listFederationAdmins() as $oneowner) { |
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if ($oneowner == $owner) { |
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return [$temp, 'fullaccess']; |
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} |
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} |
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if ($user->isSuperadmin()|| $user->isSupport()) { |
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$this->loggerInstance->debug(4, "You are the superadmin/support\n"); |
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return [$temp,'readonly']; |
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} |
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throw new Exception($this->inputValidationError(sprintf("User is not %s administrator!", \core\common\Entity::$nomenclature_fed))); |
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} |
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/** |
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* Is this a known IdP? Optionally, also check if the authenticated |
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* user is an admin of that IdP |
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* It is a wrapper around existingIdPInt. |
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* |
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* @param mixed $input the numeric ID of the IdP in the system |
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* @param string $owner the authenticated username, optional |
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* @param \core\Federation $claimedFedBinding if set, cross-check that IdP belongs to specified federation (useful in admin API mode) |
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* @return \core\IdP |
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* @throws Exception |
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*/ |
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public function existingIdP($input, $owner = NULL, $claimedFedBinding = NULL) |
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{ |
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$clean = $this->integer($input); |
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if ($clean === FALSE) { |
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throw new Exception($this->inputValidationError("Value for IdP is not an integer!")); |
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} |
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$checkResult = $this->existingIdPInt($input, $owner, $claimedFedBinding); |
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$this->loggerInstance->debug(5, $checkResult, "existingIdP:", "\n"); |
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if ($checkResult[1] == 'fullaccess') { |
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return $checkResult[0]; |
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} |
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if ($owner == NULL && $checkResult[1] == 'nouser') { |
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return $checkResult[0]; |
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} |
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return false; |
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} |
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/** |
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* Is this a known IdP? Optionally, also check if the authenticated |
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* user is an admin of that IdP or a federation admin for the parent federation |
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* federaton admins superadmin and support get read-only access, superadmins get readonly access as well |
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* @param mixed $input the numeric ID of the IdP in the system |
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* @param string $owner the authenticated username, optional |
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* @param \core\Federation $claimedFedBinding if set, cross-check that IdP belongs to specified federation (useful in admin API mode) |
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* @return array(\core\IdP, string) |
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* @throws Exception |
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*/ |
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public function existingIdPInt($input, $owner = NULL, $claimedFedBinding = NULL) |
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{ |
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$clean = $this->integer($input); |
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if ($clean === FALSE) { |
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throw new Exception($this->inputValidationError("Value for IdP is not an integer!")); |
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} |
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$temp = new \core\IdP($input); // constructor throws an exception if NX, game over |
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if ($owner !== NULL) { // check if the authenticated user is allowed to see this institution |
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$user = new \core\User($owner); |
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foreach ($temp->listOwners() as $oneowner) { |
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if ($oneowner['ID'] == $owner) { |
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return [$temp, 'fullaccess']; |
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} |
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} |
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if ($user->isFederationAdmin($temp->federation)) { |
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$this->loggerInstance->debug(4, "You are fed admin for this IdP\n"); |
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return [$temp,'readonly']; |
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} |
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if ($user->isSuperadmin() || $user->isSupport()) { |
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$this->loggerInstance->debug(4, "You are the superadmin/support\n"); |
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return [$temp,'readonly']; |
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} |
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throw new Exception($this->inputValidationError("This IdP identifier is not accessible!")); |
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} |
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if ($claimedFedBinding !== NULL && strtoupper($temp->federation) != strtoupper($claimedFedBinding->tld)) { |
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throw new Exception($this->inputValidationError("This IdP does not belong to the claimed federation!")); |
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} |
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return [$temp,'nouser']; |
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} |
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/** |
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* Checks if the input refers to a known Profile. Optionally also takes an |
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* IdP identifier and then checks if the Profile belongs to the referenced |
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* IdP |
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* |
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* @param mixed $input the numeric ID of the Profile in the system |
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* @param int|NULL $idpIdentifier the numeric ID of the IdP in the system, optional |
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* @return \core\AbstractProfile |
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* @throws Exception |
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*/ |
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public function existingProfile($input, $idpIdentifier = NULL) |
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{ |
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$clean = $this->integer($input); |
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if ($clean === FALSE) { |
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throw new Exception("Non-integer was passed to Profile validator!"); |
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} |
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$temp = \core\ProfileFactory::instantiate($clean); // constructor throws an exception if NX, game over |
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if ($idpIdentifier !== NULL && $temp->institution != $idpIdentifier) { |
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throw new Exception($this->inputValidationError("The profile does not belong to the IdP!")); |
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} |
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return $temp; |
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} |
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/** |
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* Checks if the input refers to a known DeploymentManaged. Optionally also takes an |
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* IdP identifier and then checks if the Profile belongs to the referenced |
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* IdP |
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* |
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* @param mixed $input the numeric ID of the Deployment in the system |
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* @param \core\IdP $idp the IdP |
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* @return \core\DeploymentManaged |
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* @throws Exception |
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*/ |
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public function existingDeploymentManaged($input, $idp) |
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{ |
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$clean = $this->integer($input); |
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if ($clean === FALSE) { |
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throw new Exception("Non-integer was passed to Profile validator!"); |
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} |
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$temp = new \core\DeploymentManaged($idp, $clean); // constructor throws an exception if NX, game over |
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if ($temp->institution != $idp->identifier) { |
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throw new Exception($this->inputValidationError("The profile does not belong to the IdP!")); |
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} |
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return $temp; |
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} |
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/** |
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* Checks if this is a device known to the system |
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* @param mixed $input the name of the device (index in the Devices.php array) |
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* @return string returns the same string on success, throws an Exception on failure |
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* @throws Exception |
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*/ |
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public function existingDevice($input) |
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{ |
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$devicelist = \devices\Devices::listDevices(); |
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$keyArray = array_keys($devicelist); |
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if (!isset($devicelist[$input])) { |
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throw new Exception($this->inputValidationError("This device does not exist!")); |
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} |
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$correctIndex = array_search($input, $keyArray); |
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return $keyArray[$correctIndex]; |
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} |
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/** |
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* Checks if the input was a valid string. |
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* |
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* @param mixed $input a string to be made SQL-safe |
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* @param boolean $allowWhitespace whether some whitespace (e.g. newlines should be preserved (true) or redacted (false) |
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* @return string the massaged string |
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* @throws Exception |
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*/ |
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public function string($input, $allowWhitespace = FALSE) |
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{ |
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// always chop out invalid characters, and surrounding whitespace |
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$retvalStep0 = iconv("UTF-8", "UTF-8//TRANSLIT", $input); |
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if ($retvalStep0 === FALSE) { |
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throw new Exception("iconv failure for string sanitisation. With TRANSLIT, this should never happen!"); |
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} |
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$retvalStep1 = trim($retvalStep0); |
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// if some funny person wants to inject markup tags, remove them |
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if ($retvalStep1 !== '') { |
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$retval = htmlspecialchars(strip_tags($retvalStep1), ENT_NOQUOTES); |
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if ($retval === '') { |
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throw new Exception("filter_var failure for string sanitisation."); |
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} |
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} else { |
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$retval = ''; |
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} |
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// unless explicitly wanted, take away intermediate disturbing whitespace |
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// a simple "space" is NOT disturbing :-) |
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if ($allowWhitespace === FALSE) { |
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$afterWhitespace = preg_replace('/(\0|\r|\x0b|\t|\n)/', '', $retval); |
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} else { |
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// even if we allow whitespace, not pathological ones! |
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$afterWhitespace = preg_replace('/(\0|\r|\x0b)/', '', $retval); |
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} |
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if (is_array($afterWhitespace)) { |
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throw new Exception("This function has to be given a string and returns a string. preg_replace has generated an array instead!"); |
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} |
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return (string) $afterWhitespace; |
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} |
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/** |
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* Is this an integer, or a string that represents an integer? |
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* |
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* @param mixed $input the raw input |
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* @return boolean|int returns the input, or FALSE if it is not an integer-like value |
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*/ |
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public function integer($input) |
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{ |
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if (is_numeric($input)) { |
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return (int) $input; |
|
299
|
|
|
} |
|
300
|
|
|
return FALSE; |
|
301
|
|
|
} |
|
302
|
|
|
|
|
303
|
|
|
/** |
|
304
|
|
|
* Is this a string representing a potentially more than 64-Bit length integer? |
|
305
|
|
|
* |
|
306
|
|
|
* @param string $input the input data which is possibly a really large integer |
|
307
|
|
|
* @return boolean|string returns the input, or FALSE if it is not an integer-like string |
|
308
|
|
|
*/ |
|
309
|
|
|
public function hugeInteger($input) |
|
310
|
|
|
{ |
|
311
|
|
|
if (is_numeric($input)) { |
|
312
|
|
|
return $input; |
|
313
|
|
|
} |
|
314
|
|
|
return FALSE; |
|
315
|
|
|
} |
|
316
|
|
|
|
|
317
|
|
|
/** |
|
318
|
|
|
* Checks if the input is the hex representation of a Consortium OI (i.e. three |
|
319
|
|
|
* or five bytes) |
|
320
|
|
|
* |
|
321
|
|
|
* @param mixed $input the raw input |
|
322
|
|
|
* @return boolean|string returns the input, or FALSE on validation failure |
|
323
|
|
|
*/ |
|
324
|
|
|
public function consortiumOI($input) |
|
325
|
|
|
{ |
|
326
|
|
|
$shallow = $this->string($input); |
|
327
|
|
|
if (strlen($shallow) != 6 && strlen($shallow) != 10) { |
|
328
|
|
|
return FALSE; |
|
329
|
|
|
} |
|
330
|
|
|
if (!preg_match("/^[a-fA-F0-9]+$/", $shallow)) { |
|
331
|
|
|
return FALSE; |
|
332
|
|
|
} |
|
333
|
|
|
return $shallow; |
|
334
|
|
|
} |
|
335
|
|
|
|
|
336
|
|
|
/** |
|
337
|
|
|
* Is the input an NAI realm? Throws HTML error and returns FALSE if not. |
|
338
|
|
|
* |
|
339
|
|
|
* @param mixed $input the input to check |
|
340
|
|
|
* @return boolean|string returns the realm, or FALSE if it was malformed |
|
341
|
|
|
*/ |
|
342
|
|
|
public function realm($input) |
|
343
|
|
|
{ |
|
344
|
|
|
\core\common\Entity::intoThePotatoes(); |
|
345
|
|
|
if (strlen($input) == 0) { |
|
346
|
|
|
echo $this->inputValidationError(_("Realm is empty!")); |
|
347
|
|
|
\core\common\Entity::outOfThePotatoes(); |
|
348
|
|
|
return FALSE; |
|
349
|
|
|
} |
|
350
|
|
|
|
|
351
|
|
|
// basic string checks |
|
352
|
|
|
$check = $this->string($input); |
|
353
|
|
|
// list of things to check, and the error they produce |
|
354
|
|
|
$pregCheck = [ |
|
355
|
|
|
"/@/" => _("Realm contains an @ sign!"), |
|
356
|
|
|
"/^\./" => _("Realm begins with a . (dot)!"), |
|
357
|
|
|
"/\.$/" => _("Realm ends with a . (dot)!"), |
|
358
|
|
|
"/ /" => _("Realm contains spaces!"), |
|
359
|
|
|
]; |
|
360
|
|
|
|
|
361
|
|
|
// bark on invalid constructs |
|
362
|
|
|
foreach ($pregCheck as $search => $error) { |
|
363
|
|
|
if (preg_match($search, $check) == 1) { |
|
364
|
|
|
echo $this->inputValidationError($error); |
|
365
|
|
|
\core\common\Entity::outOfThePotatoes(); |
|
366
|
|
|
return FALSE; |
|
367
|
|
|
} |
|
368
|
|
|
} |
|
369
|
|
|
|
|
370
|
|
|
if (preg_match("/\./", $check) == 0) { |
|
371
|
|
|
echo $this->inputValidationError(_("Realm does not contain at least one . (dot)!")); |
|
372
|
|
|
\core\common\Entity::outOfThePotatoes(); |
|
373
|
|
|
return FALSE; |
|
374
|
|
|
} |
|
375
|
|
|
|
|
376
|
|
|
// none of the special HTML entities should be here. In case someone wants |
|
377
|
|
|
// to mount a CSS attack by providing something that matches the realm constructs |
|
378
|
|
|
// below but has interesting stuff between, mangle the input so that these |
|
379
|
|
|
// characters do not do any harm. |
|
380
|
|
|
\core\common\Entity::outOfThePotatoes(); |
|
381
|
|
|
return htmlentities($check, ENT_QUOTES); |
|
382
|
|
|
} |
|
383
|
|
|
|
|
384
|
|
|
/** |
|
385
|
|
|
* could this be a valid username? |
|
386
|
|
|
* |
|
387
|
|
|
* Only checks correct form, not if the user actually exists in the system. |
|
388
|
|
|
* |
|
389
|
|
|
* @param mixed $input the username |
|
390
|
|
|
* @return string echoes back the input string, or throws an Exception if bogus |
|
391
|
|
|
* @throws Exception |
|
392
|
|
|
*/ |
|
393
|
|
|
public function syntaxConformUser($input) |
|
394
|
|
|
{ |
|
395
|
|
|
$retvalStep0 = iconv("UTF-8", "UTF-8//TRANSLIT", $input); |
|
396
|
|
|
if ($retvalStep0 === FALSE) { |
|
397
|
|
|
throw new Exception("iconv failure for string sanitisation. With TRANSLIT, this should never happen!"); |
|
398
|
|
|
} |
|
399
|
|
|
$retvalStep1 = trim($retvalStep0); |
|
400
|
|
|
|
|
401
|
|
|
$retval = preg_replace('/(\0|\r|\x0b|\t|\n)/', '', $retvalStep1); |
|
402
|
|
|
if ($retval != "" && !ctype_print($retval)) { |
|
403
|
|
|
throw new Exception($this->inputValidationError("The user identifier is not an ASCII string!")); |
|
404
|
|
|
} |
|
405
|
|
|
|
|
406
|
|
|
return $retval; |
|
407
|
|
|
} |
|
408
|
|
|
|
|
409
|
|
|
/** |
|
410
|
|
|
* could this be a valid token? |
|
411
|
|
|
* |
|
412
|
|
|
* Only checks correct form, not if the token actually exists in the system. |
|
413
|
|
|
* @param mixed $input the raw input |
|
414
|
|
|
* @return string echoes back the input string, or throws an Exception if bogus |
|
415
|
|
|
* @throws Exception |
|
416
|
|
|
*/ |
|
417
|
|
|
public function token($input) |
|
418
|
|
|
{ |
|
419
|
|
|
$retval = $input; |
|
420
|
|
|
if ($input != "" && preg_match('/[^0-9a-fA-F]/', $input) != 0) { |
|
421
|
|
|
throw new Exception($this->inputValidationError("Token is not a hexadecimal string!")); |
|
422
|
|
|
} |
|
423
|
|
|
return $retval; |
|
424
|
|
|
} |
|
425
|
|
|
|
|
426
|
|
|
/** |
|
427
|
|
|
* Is this be a valid coordinate vector on one axis? |
|
428
|
|
|
* |
|
429
|
|
|
* @param mixed $input a numeric value in range of a geo coordinate [-180;180] |
|
430
|
|
|
* @return string returns back the input if all is good; throws an Exception if out of bounds or not numeric |
|
431
|
|
|
* @throws Exception |
|
432
|
|
|
*/ |
|
433
|
|
|
public function coordinate($input) |
|
434
|
|
|
{ |
|
435
|
|
|
$oldlocale = setlocale(LC_NUMERIC, 0); |
|
436
|
|
|
setlocale(LC_NUMERIC, "en_GB"); |
|
437
|
|
|
if (!is_numeric($input)) { |
|
438
|
|
|
throw new Exception($this->inputValidationError("Coordinate is not a numeric value!")); |
|
439
|
|
|
} |
|
440
|
|
|
setlocale(LC_NUMERIC, $oldlocale); |
|
441
|
|
|
// lat and lon are always in the range of [-180;+180] |
|
442
|
|
|
if ($input < -180 || $input > 180) { |
|
443
|
|
|
throw new Exception($this->inputValidationError("Coordinate is out of bounds. Which planet are you from?")); |
|
444
|
|
|
} |
|
445
|
|
|
return $input; |
|
446
|
|
|
} |
|
447
|
|
|
|
|
448
|
|
|
/** |
|
449
|
|
|
* Is this a valid coordinate pair in JSON encoded representation? |
|
450
|
|
|
* |
|
451
|
|
|
* @param mixed $input the string to be checked: is this a serialised array with lat/lon keys in a valid number range? |
|
452
|
|
|
* @return string returns $input if checks have passed; throws an Exception if something's wrong |
|
453
|
|
|
* @throws Exception |
|
454
|
|
|
*/ |
|
455
|
|
|
public function coordJsonEncoded($input) |
|
456
|
|
|
{ |
|
457
|
|
|
$tentative = json_decode($input, true); |
|
458
|
|
|
if (is_array($tentative)) { |
|
459
|
|
|
if (isset($tentative['lon']) && isset($tentative['lat']) && $this->coordinate($tentative['lon']) && $this->coordinate($tentative['lat'])) { |
|
460
|
|
|
return $input; |
|
461
|
|
|
} |
|
462
|
|
|
} |
|
463
|
|
|
throw new Exception($this->inputValidationError("Wrong coordinate encoding (2.0 uses JSON, not serialize)!")); |
|
464
|
|
|
} |
|
465
|
|
|
|
|
466
|
|
|
/** |
|
467
|
|
|
* This checks the state of a HTML GET/POST "boolean". |
|
468
|
|
|
* |
|
469
|
|
|
* If not checked, no value is submitted at all; if checked, has the word "on". |
|
470
|
|
|
* Anything else is a big error. |
|
471
|
|
|
* |
|
472
|
|
|
* @param mixed $input the string to test |
|
473
|
|
|
* @return boolean TRUE if the input was "on". It is not possible in HTML to signal "off" |
|
474
|
|
|
* @throws Exception |
|
475
|
|
|
*/ |
|
476
|
|
|
public function boolean($input) |
|
477
|
|
|
{ |
|
478
|
|
|
if ($input != "on") { |
|
479
|
|
|
throw new Exception($this->inputValidationError("Unknown state of boolean option!")); |
|
480
|
|
|
} |
|
481
|
|
|
return TRUE; |
|
482
|
|
|
} |
|
483
|
|
|
|
|
484
|
|
|
/** |
|
485
|
|
|
* checks if we have the strings "IdP" "SP" or "IdPSP" |
|
486
|
|
|
* |
|
487
|
|
|
* @param string $partTypeRaw the string to be validated as participant type |
|
488
|
|
|
* @return string validated result |
|
489
|
|
|
* @throws Exception |
|
490
|
|
|
*/ |
|
491
|
|
|
public function partType($partTypeRaw) |
|
492
|
|
|
{ |
|
493
|
|
|
switch ($partTypeRaw) { |
|
494
|
|
|
case \core\IdP::TYPE_IDP: |
|
495
|
|
|
return \core\IdP::TYPE_IDP; |
|
496
|
|
|
case \core\IdP::TYPE_SP: |
|
497
|
|
|
return \core\IdP::TYPE_SP; |
|
498
|
|
|
case \core\IdP::TYPE_IDPSP: |
|
499
|
|
|
return \core\IdP::TYPE_IDPSP; |
|
500
|
|
|
default: |
|
501
|
|
|
throw new Exception("Unknown Participant Type!"); |
|
502
|
|
|
} |
|
503
|
|
|
} |
|
504
|
|
|
|
|
505
|
|
|
const TABLEMAPPING = [ |
|
506
|
|
|
"IdP" => "institution_option", |
|
507
|
|
|
"Profile" => "profile_option", |
|
508
|
|
|
"FED" => "federation_option", |
|
509
|
|
|
]; |
|
510
|
|
|
|
|
511
|
|
|
/** |
|
512
|
|
|
* Is this a valid database reference? Has the form <tablename>-<rowID> and there |
|
513
|
|
|
* needs to be actual data at that place |
|
514
|
|
|
* |
|
515
|
|
|
* @param string $input the reference to check |
|
516
|
|
|
* @return boolean|array the reference split up into "table" and "rowindex", or FALSE |
|
517
|
|
|
*/ |
|
518
|
|
|
public function databaseReference($input) |
|
519
|
|
|
{ |
|
520
|
|
|
$pregMatches = []; |
|
521
|
|
|
if (preg_match("/^ROWID-(IdP|Profile|FED)-([0-9]+)$/", $input, $pregMatches) != 1) { |
|
522
|
|
|
return FALSE; |
|
523
|
|
|
} |
|
524
|
|
|
$rownumber = $this->integer($pregMatches[2]); |
|
525
|
|
|
if ($rownumber === FALSE) { |
|
526
|
|
|
return FALSE; |
|
527
|
|
|
} |
|
528
|
|
|
return ["table" => self::TABLEMAPPING[$pregMatches[1]], "rowindex" => $rownumber]; |
|
529
|
|
|
} |
|
530
|
|
|
|
|
531
|
|
|
/** |
|
532
|
|
|
* is this a valid hostname? |
|
533
|
|
|
* |
|
534
|
|
|
* @param mixed $input the raw input |
|
535
|
|
|
* @return boolean|string echoes the hostname, or FALSE if bogus |
|
536
|
|
|
*/ |
|
537
|
|
|
public function hostname($input) |
|
538
|
|
|
{ |
|
539
|
|
|
// is it a valid IP address (IPv4 or IPv6), or a hostname? |
|
540
|
|
|
if (filter_var($input, FILTER_VALIDATE_IP) || filter_var($input, FILTER_VALIDATE_DOMAIN, FILTER_FLAG_HOSTNAME)) { |
|
541
|
|
|
// if it's a verified IP address or hostname then it does not contain |
|
542
|
|
|
// rubbish of course. But just to be sure, run htmlspecialchars around it |
|
543
|
|
|
return htmlspecialchars($input, ENT_QUOTES); |
|
544
|
|
|
} |
|
545
|
|
|
return FALSE; |
|
546
|
|
|
} |
|
547
|
|
|
|
|
548
|
|
|
/** |
|
549
|
|
|
* is this a valid email address? |
|
550
|
|
|
* |
|
551
|
|
|
* @param mixed $input the raw input |
|
552
|
|
|
* @return boolean|string echoes the mail address, or FALSE if bogus |
|
553
|
|
|
*/ |
|
554
|
|
|
public function email($input) |
|
555
|
|
|
{ |
|
556
|
|
|
|
|
557
|
|
|
if (filter_var($this->string($input), FILTER_VALIDATE_EMAIL)) { |
|
558
|
|
|
return $input; |
|
559
|
|
|
} |
|
560
|
|
|
// if we get here, it's bogus |
|
561
|
|
|
return FALSE; |
|
562
|
|
|
} |
|
563
|
|
|
|
|
564
|
|
|
/** |
|
565
|
|
|
* is this a well-formed SMS number? Light massaging - leading + will be removed |
|
566
|
|
|
* @param string $input the raw input |
|
567
|
|
|
* @return boolean|string |
|
568
|
|
|
*/ |
|
569
|
|
|
public function sms($input) |
|
570
|
|
|
{ |
|
571
|
|
|
$number = str_replace(' ', '', str_replace(".", "", str_replace("+", "", $input))); |
|
572
|
|
|
if (!is_numeric($number)) { |
|
573
|
|
|
return FALSE; |
|
574
|
|
|
} |
|
575
|
|
|
return $number; |
|
576
|
|
|
} |
|
577
|
|
|
|
|
578
|
|
|
/** |
|
579
|
|
|
* Is this is a language we support? If not, sanitise to our configured default language. |
|
580
|
|
|
* |
|
581
|
|
|
* @param mixed $input the candidate language identifier |
|
582
|
|
|
* @return string |
|
583
|
|
|
* @throws Exception |
|
584
|
|
|
*/ |
|
585
|
|
|
public function supportedLanguage($input) |
|
586
|
|
|
{ |
|
587
|
|
|
if (!array_key_exists($input, \config\Master::LANGUAGES)) { |
|
588
|
|
|
return \config\Master::APPEARANCE['defaultlocale']; |
|
589
|
|
|
} |
|
590
|
|
|
// otherwise, use the inversion trick to convince Scrutinizer that this is |
|
591
|
|
|
// a vetted value |
|
592
|
|
|
$retval = array_search(\config\Master::LANGUAGES[$input], \config\Master::LANGUAGES); |
|
593
|
|
|
if ($retval === FALSE) { |
|
594
|
|
|
throw new Exception("Impossible: the value we are searching for does exist, because we reference it directly."); |
|
595
|
|
|
} |
|
596
|
|
|
return $retval; |
|
597
|
|
|
} |
|
598
|
|
|
|
|
599
|
|
|
/** |
|
600
|
|
|
* Makes sure we are not receiving a bogus option name. The called function throws |
|
601
|
|
|
* an assertion if the name is not known. |
|
602
|
|
|
* |
|
603
|
|
|
* @param mixed $input the unvetted option name |
|
604
|
|
|
* @return string |
|
605
|
|
|
*/ |
|
606
|
|
|
public function optionName($input) |
|
607
|
|
|
{ |
|
608
|
|
|
$object = \core\Options::instance(); |
|
609
|
|
|
return $object->assertValidOptionName($input); |
|
610
|
|
|
} |
|
611
|
|
|
|
|
612
|
|
|
/** |
|
613
|
|
|
* Checks to see if the input is a valid image of sorts |
|
614
|
|
|
* |
|
615
|
|
|
* @param mixed $binary blob that may or may not be a parseable image |
|
616
|
|
|
* @return boolean |
|
617
|
|
|
*/ |
|
618
|
|
|
public function image($binary) |
|
619
|
|
|
{ |
|
620
|
|
|
if (class_exists('\\Gmagick')) { |
|
621
|
|
|
$image = new \Gmagick(); |
|
622
|
|
|
} else { |
|
623
|
|
|
$image = new \Imagick(); |
|
624
|
|
|
} |
|
625
|
|
|
try { |
|
626
|
|
|
$image->readImageBlob($binary); |
|
627
|
|
|
} catch (\ImagickException $exception) { |
|
628
|
|
|
echo "Error" . $exception->getMessage(); |
|
629
|
|
|
return FALSE; |
|
630
|
|
|
} |
|
631
|
|
|
// image survived the sanity check |
|
632
|
|
|
return TRUE; |
|
633
|
|
|
} |
|
634
|
|
|
|
|
635
|
|
|
/** |
|
636
|
|
|
* searches for values in GET and POST, and filters the value according to |
|
637
|
|
|
* which kind of data is expected |
|
638
|
|
|
* |
|
639
|
|
|
* @param string $varName name of the variable in GET/POST |
|
640
|
|
|
* @param string $filter which type of filter to apply (safe_text / int) |
|
641
|
|
|
* @return NULL|string|integer the returned value |
|
642
|
|
|
*/ |
|
643
|
|
|
public function simpleInputFilter($varName, $filter) |
|
644
|
|
|
{ |
|
645
|
|
|
$safeText = ["options" => ["regexp" => "/^[\w\d-]+$/"]]; |
|
646
|
|
|
switch ($filter) { |
|
647
|
|
|
case 'safe_text': |
|
648
|
|
|
$out = filter_input(INPUT_GET, $varName, FILTER_VALIDATE_REGEXP, $safeText) ?? filter_input(INPUT_POST, $varName, FILTER_VALIDATE_REGEXP, $safeText); |
|
649
|
|
|
break; |
|
650
|
|
|
case 'int': |
|
651
|
|
|
$out = filter_input(INPUT_GET, $varName, FILTER_VALIDATE_INT) ?? filter_input(INPUT_POST, $varName, FILTER_VALIDATE_INT); |
|
652
|
|
|
break; |
|
653
|
|
|
default: |
|
654
|
|
|
$out = NULL; |
|
655
|
|
|
break; |
|
656
|
|
|
} |
|
657
|
|
|
if ($out === false) { // an error occurred during the filter_input runs; make this NULL instead then |
|
658
|
|
|
$out = NULL; |
|
659
|
|
|
} |
|
660
|
|
|
return $out; |
|
661
|
|
|
} |
|
662
|
|
|
|
|
663
|
|
|
} |
|
664
|
|
|
|
GEANT /
CAT
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The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths