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<?php |
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/* |
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* ****************************************************************************** |
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* Copyright 2011-2017 DANTE Ltd. and GÉANT on behalf of the GN3, GN3+, GN4-1 |
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* and GN4-2 consortia |
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* |
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* License: see the web/copyright.php file in the file structure |
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* ****************************************************************************** |
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*/ |
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namespace core; |
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use \Exception; |
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class IdPlist { |
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/** |
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* Order active identity providers according to their distance and name |
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* @param array $currentLocation - current location |
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* @return array $IdPs - list of arrays ('id', 'name'); |
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*/ |
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public static function orderIdentityProviders($country, $currentLocation = NULL) { |
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$idps = $this->listAllIdentityProviders(1, $country); |
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$here = $this->setCurrentLocation($currentLocation); |
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$idpTitle = []; |
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$resultSet = []; |
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foreach ($idps as $idp) { |
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$idpTitle[$idp['entityID']] = $idp['title']; |
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$d = $this->getIdpDistance($idp, $here); |
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$resultSet[$idp['entityID']] = $d . " " . $idp['title']; |
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} |
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asort($resultSet); |
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$outarray = []; |
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foreach (array_keys($resultSet) as $r) { |
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$outarray[] = ['idp' => $r, 'title' => $idpTitle[$r]]; |
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} |
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return($outarray); |
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} |
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/** |
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* Lists all identity providers in the database |
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* adding information required by DiscoJuice. |
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* |
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* @param int $activeOnly if set to non-zero will cause listing of only those institutions which have some valid profiles defined. |
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* @param string $country if set, only list IdPs in a specific country |
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* @return array the list of identity providers |
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* |
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*/ |
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View Code Duplication |
public static function listAllIdentityProviders($activeOnly = 0, $country = "") { |
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$handle = DBConnection::handle("INST"); |
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$handle->exec("SET SESSION group_concat_max_len=10000"); |
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$query = "SELECT distinct institution.inst_id AS inst_id, institution.country AS country, |
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group_concat(concat_ws('===',institution_option.option_name,LEFT(institution_option.option_value,200), institution_option.option_lang) separator '---') AS options |
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FROM institution "; |
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if ($activeOnly == 1) { |
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$query .= "JOIN v_active_inst ON institution.inst_id = v_active_inst.inst_id "; |
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} |
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$query .= "JOIN institution_option ON institution.inst_id = institution_option.institution_id "; |
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$query .= "WHERE (institution_option.option_name = 'general:instname' |
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OR institution_option.option_name = 'general:geo_coordinates' |
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OR institution_option.option_name = 'general:logo_file') "; |
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$query .= ($country != "" ? "AND institution.country = ? " : ""); |
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$query .= "GROUP BY institution.inst_id ORDER BY inst_id"; |
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$allIDPs = ($country != "" ? $handle->exec($query, "s", $country) : $handle->exec($query)); |
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$returnarray = []; |
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// SELECTs never return a booleans, always an object |
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while ($queryResult = mysqli_fetch_object(/** @scrutinizer ignore-type */ $allIDPs)) { |
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$institutionOptions = explode('---', $queryResult->options); |
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$oneInstitutionResult = []; |
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$geo = []; |
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$names = []; |
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$oneInstitutionResult['entityID'] = $queryResult->inst_id; |
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$oneInstitutionResult['country'] = strtoupper($queryResult->country); |
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foreach ($institutionOptions as $institutionOption) { |
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$opt = explode('===', $institutionOption); |
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switch ($opt[0]) { |
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case 'general:logo_file': |
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$oneInstitutionResult['icon'] = $queryResult->inst_id; |
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break; |
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case 'general:geo_coordinates': |
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$at1 = json_decode($opt[1], true); |
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$geo[] = $at1; |
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break; |
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case 'general:instname': |
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$names[] = [ |
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'lang' => $opt[2], |
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'value' => $opt[1] |
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]; |
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break; |
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default: |
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break; |
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} |
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} |
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$name = _("Unnamed Entity"); |
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if (count($names) != 0) { |
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$langObject = new \core\common\Language(); |
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$name = $langObject->getLocalisedValue($names); |
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} |
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$oneInstitutionResult['title'] = $name; |
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if (count($geo) > 0) { |
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$oneInstitutionResult['geo'] = $geo; |
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} |
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$returnarray[] = $oneInstitutionResult; |
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} |
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return $returnarray; |
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} |
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private function setCurrentLocation($currentLocation) { |
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if (is_null($currentLocation)) { |
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$currentLocation = ['lat' => "90", 'lon' => "0"]; |
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$loc = new \core\DeviceLocation(); |
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$userLocation = $loc->locateDevice; |
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if ($userLocation['status'] == 'ok') { |
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$currentLocation = $userLocation['geo']; |
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} |
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} |
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return($currentLocation); |
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} |
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private function getIdpDistance($idp, $location) { |
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$dist = 10000; |
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if (isset($idp['geo'])) { |
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$G = $idp['geo']; |
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if (isset($G['lon'])) { |
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$d1 = $this->geoDistance($location, $G); |
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if ($d1 < $dist) { |
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$dist = $d1; |
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} |
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} else { |
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foreach ($G as $g) { |
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$d1 = $this->geoDistance($location, $g); |
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if ($d1 < $dist) { |
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$dist = $d1; |
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} |
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} |
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} |
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} |
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if ($dist > 100) { |
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$dist = 10000; |
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} |
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return(sprintf("%06d", $dist)); |
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} |
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/** |
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* Calculate the distance in km between two points given their |
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* geo coordinates. |
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* @param array $point1 - first point as an 'lat', 'lon' array |
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* @param array $profile1 - second point as an 'lat', 'lon' array |
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* @return float distance in km |
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*/ |
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private function geoDistance($point1, $profile1) { |
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$distIntermediate = sin(deg2rad($point1['lat'])) * sin(deg2rad($profile1['lat'])) + |
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cos(deg2rad($point1['lat'])) * cos(deg2rad($profile1['lat'])) * cos(deg2rad($point1['lon'] - $profile1['lon'])); |
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$dist = rad2deg(acos($distIntermediate)) * 60 * 1.1852; |
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return(round($dist)); |
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} |
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} |
GEANT /
CAT
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This check marks access to variables or properties that have not been declared yet. While PHP has no explicit notion of declaring a variable, accessing it before a value is assigned to it is most likely a bug.