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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 web\lib\admin; |
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use Exception; |
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?> |
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<?php |
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require_once(dirname(dirname(dirname(dirname(__FILE__)))) . "/config/_config.php"); |
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/** |
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* This class parses HTML field input from POST and FILES and extracts valid and authorized options to be set. |
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* |
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* @author Stefan Winter <[email protected]> |
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*/ |
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class OptionParser { |
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/** |
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* an instance of the InputValidation class which we use heavily for syntax checks. |
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* |
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* @var \web\lib\common\InputValidation |
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*/ |
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private $validator; |
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/** |
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* an instance of the UIElements() class to draw some UI widgets from. |
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* |
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* @var UIElements |
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*/ |
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private $uiElements; |
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/** |
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* a handle for the Options singleton |
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* |
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* @var \core\Options |
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*/ |
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private $optioninfoObject; |
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/** |
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* initialises the various handles. |
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*/ |
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public function __construct() { |
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$this->validator = new \web\lib\common\InputValidation(); |
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$this->uiElements = new UIElements(); |
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$this->optioninfoObject = \core\Options::instance(); |
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} |
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/** |
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* Verifies whether an incoming upload was actually valid data |
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* |
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* @param string $optiontype for which option was the data uploaded |
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* @param string $incomingBinary the uploaded data |
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* @return boolean whether the data was valid |
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*/ |
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private function checkUploadSanity(string $optiontype, string $incomingBinary) { |
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switch ($optiontype) { |
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case "general:logo_file": |
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case "fed:logo_file": |
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case "internal:logo_from_url": |
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// we check logo_file with ImageMagick |
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return $this->validator->image($incomingBinary); |
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case "eap:ca_file": |
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// fall-through intended: both CA types are treated the same |
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case "fed:minted_ca_file": |
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// echo "Checking $optiontype with file $filename"; |
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$func = new \core\common\X509; |
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$cert = $func->processCertificate($incomingBinary); |
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if (is_array($cert)) { // could also be FALSE if it was incorrect incoming data |
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return TRUE; |
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} |
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// the certificate seems broken |
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return FALSE; |
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case "support:info_file": |
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$info = new \finfo(); |
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$filetype = $info->buffer($incomingBinary, FILEINFO_MIME_TYPE); |
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// we only take plain text files in UTF-8! |
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if ($filetype == "text/plain" && iconv("UTF-8", "UTF-8", $incomingBinary) !== FALSE) { |
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return TRUE; |
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} |
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return FALSE; |
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default: |
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return FALSE; |
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} |
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} |
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/** |
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* Known-good options are sometimes converted, this function takes care of that. |
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* |
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* Cases in point: |
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* - CA import by URL reference: fetch cert from URL and store it as CA file instead |
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* - Logo import by URL reference: fetch logo from URL and store it as logo file instead |
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* - CA file: mangle the content so that *only* the valid content remains (raw input may contain line breaks or spaces which are valid, but some supplicants choke upon) |
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* |
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* @param array $options the list of options we got |
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* @param array $good by-reference: the future list of actually imported options |
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* @param array $bad by-reference: the future list of submitted but rejected options |
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* @return array the options, post-processed |
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*/ |
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private function postProcessValidAttributes(array $options, array &$good, array &$bad) { |
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foreach ($options as $index => $iterateOption) { |
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foreach ($iterateOption as $name => $optionPayload) { |
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switch ($name) { |
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case "eap:ca_url": // eap:ca_url becomes eap:ca_file by downloading the file |
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$finalOptionname = "eap:ca_file"; |
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// intentional fall-through, treatment identical to logo_url |
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case "general:logo_url": // logo URLs become logo files by downloading the file |
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$finalOptionname = $finalOptionname ?? "general:logo_file"; |
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if (empty($optionPayload['content'])) { |
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break; |
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} |
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$bindata = \core\common\OutsideComm::downloadFile($optionPayload['content']); |
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unset($options[$index]); |
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if ($bindata === FALSE) { |
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$bad[] = $name; |
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break; |
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} |
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if ($this->checkUploadSanity($finalOptionname, $bindata)) { |
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$good[] = $name; |
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$options[] = [$finalOptionname => ['lang' => NULL, 'content' => base64_encode($bindata)]]; |
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} else { |
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$bad[] = $name; |
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} |
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break; |
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case "eap:ca_file": |
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case "fed:minted_ca_file": |
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// CA files get split (PEM files can contain more than one CA cert) |
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// the data being processed here is always "good": |
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// if it was eap:ca_file initially then its sanity was checked in step 1; |
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// if it was eap:ca_url then it was checked after we downloaded it |
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if (empty($optionPayload['content'])) { |
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break; |
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} |
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if (preg_match('/^ROWID-/', $optionPayload['content'])) { |
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// accounted for, already in DB |
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$good[] = $name; |
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break; |
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} |
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$content = base64_decode($optionPayload['content']); |
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unset($options[$index]); |
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$x509 = new \core\common\X509(); |
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$cAFiles = $x509->splitCertificate($content); |
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foreach ($cAFiles as $cAFile) { |
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$options[] = [$name => ['lang' => NULL, 'content' => base64_encode($x509->pem2der($cAFile))]]; |
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} |
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$good[] = $name; |
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break; |
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default: |
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$good[] = $name; // all other options were checked and are sane in step 1 already |
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break; |
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} |
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} |
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} |
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return $options; |
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} |
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/** |
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* extracts a coordinate pair from _POST (if any) and returns it in our |
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* standard attribute notation |
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* |
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* @param array $postArray |
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* @param array $good |
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* @return array |
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*/ |
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private function postProcessCoordinates(array $postArray, array &$good) { |
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if (!empty($postArray['geo_long']) && !empty($postArray['geo_lat'])) { |
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$lat = $this->validator->coordinate($postArray['geo_lat']); |
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$lon = $this->validator->coordinate($postArray['geo_long']); |
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$good[] = ("general:geo_coordinates"); |
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return [0 => ["general:geo_coordinates" => ['lang' => NULL, 'content' => json_encode(["lon" => $lon, "lat" => $lat])]]]; |
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} |
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return []; |
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} |
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/** |
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* creates HTML code for a user-readable summary of the imports |
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* @param array $good list of actually imported options |
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* @param array $bad list of submitted but rejected options |
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* @param array $mlAttribsWithC list of language-variant options |
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* @return string HTML code |
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*/ |
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private function displaySummaryInUI(array $good, array $bad, array $mlAttribsWithC) { |
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$retval = ""; |
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// don't do your own table - only the <tr>s here |
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// list all attributes that were set correctly |
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$listGood = array_count_values($good); |
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$uiElements = new UIElements(); |
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foreach ($listGood as $name => $count) { |
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/// number of times attribute is present, and its name |
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/// Example: "5x Support E-Mail" |
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$retval .= $this->uiElements->boxOkay(sprintf(_("%dx %s"), $count, $uiElements->displayName($name))); |
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} |
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// list all atributes that had errors |
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$listBad = array_count_values($bad); |
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foreach ($listBad as $name => $count) { |
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$retval .= $this->uiElements->boxError(sprintf(_("%dx %s"), (int) $count, $uiElements->displayName($name))); |
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} |
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// list multilang without default |
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foreach ($mlAttribsWithC as $attribName => $isitsetornot) { |
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if ($isitsetornot == FALSE) { |
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$retval .= $this->uiElements->boxWarning(sprintf(_("You did not set a 'default language' value for %s. This means we can only display this string for installers which are <strong>exactly</strong> in the language you configured. For the sake of all other languages, you may want to edit the profile again and populate the 'default/other' language field."), $uiElements->displayName($attribName))); |
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} |
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} |
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return $retval; |
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} |
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/** |
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* Incoming data is in $_POST and possibly in $_FILES. Collate values into |
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* one array according to our name and numbering scheme. |
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* |
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* @param array $postArray _POST |
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* @param array $filesArray _FILES |
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* @return array |
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*/ |
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private function collateOptionArrays(array $postArray, array $filesArray) { |
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$optionarray = $postArray['option'] ?? []; |
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$valuearray = $postArray['value'] ?? []; |
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$filesarray = $filesArray['value']['tmp_name'] ?? []; |
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$iterator = array_merge($optionarray, $valuearray, $filesarray); |
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return $iterator; |
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} |
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/** |
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* The very end of the processing: clean input data gets sent to the database |
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* for storage |
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* |
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* @param mixed $object for which object are the options |
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* @param array $options the options to store |
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* @param array $pendingattributes list of attributes which are already stored but may need to be deleted |
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* @param string $device when the $object is Profile, this indicates device-specific attributes |
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* @param int $eaptype when the $object is Profile, this indicates eap-specific attributes |
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* @return array list of attributes which were previously stored but are to be deleted now |
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* @throws Exception |
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*/ |
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private function sendOptionsToDatabase($object, array $options, array $pendingattributes, string $device = NULL, int $eaptype = NULL) { |
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$retval = []; |
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foreach ($options as $iterateOption) { |
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foreach ($iterateOption as $name => $optionPayload) { |
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$optiontype = $this->optioninfoObject->optionType($name); |
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// some attributes are in the DB and were only called by reference |
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// keep those which are still referenced, throw the rest away |
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if ($optiontype["type"] == \core\Options::TYPECODE_FILE && preg_match("/^ROWID-.*-([0-9]+)/", $optionPayload['content'], $retval)) { |
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unset($pendingattributes[$retval[1]]); |
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continue; |
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} |
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switch (get_class($object)) { |
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case 'core\\ProfileRADIUS': |
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if ($device !== NULL) { |
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$object->addAttributeDeviceSpecific($name, $optionPayload['lang'], $optionPayload['content'], $device); |
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} elseif ($eaptype !== NULL) { |
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$object->addAttributeEAPSpecific($name, $optionPayload['lang'], $optionPayload['content'], $eaptype); |
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} else { |
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$object->addAttribute($name, $optionPayload['lang'], $optionPayload['content']); |
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} |
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break; |
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case 'core\\IdP': |
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case 'core\\User': |
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case 'core\\Federation': |
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$object->addAttribute($name, $optionPayload['lang'], $optionPayload['content']); |
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break; |
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default: |
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throw new Exception("This type of object can't have options that are parsed by this file!"); |
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278
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} |
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279
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} |
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} |
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return $pendingattributes; |
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} |
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284
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/** |
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285
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* filters the input to find syntactically correctly submitted attributes |
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* |
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287
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* @param array $listOfEntries list of POST and FILES entries |
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* @param array $multilangAttrsWithC by-reference: future list of language-variant options and their "default lang" state |
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* @param array $bad by-reference: future list of submitted but rejected options |
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* @return array sanitised list of options |
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* @throws Exception |
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292
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*/ |
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293
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private function sanitiseInputs(array $listOfEntries, array &$multilangAttrsWithC, array &$bad) { |
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$retval = []; |
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295
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foreach ($listOfEntries as $objId => $objValueRaw) { |
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// pick those without dash - they indicate a new value |
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297
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if (preg_match('/^S[0123456789]*$/', $objId)) { |
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$objValue = $this->validator->optionName(preg_replace('/#.*$/', '', $objValueRaw)); |
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299
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$optioninfo = $this->optioninfoObject->optionType($objValue); |
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300
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$lang = NULL; |
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if ($optioninfo["flag"] == "ML") { |
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if (isset($listOfEntries["$objId-lang"])) { |
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303
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|
|
if (!isset($multilangAttrsWithC[$objValue])) { // on first sight, initialise the attribute as "no C language set" |
|
304
|
|
|
$multilangAttrsWithC[$objValue] = FALSE; |
|
305
|
|
|
} |
|
306
|
|
|
$lang = $listOfEntries["$objId-lang"]; |
|
307
|
|
|
if ($lang == "") { // user forgot to select a language |
|
308
|
|
|
$lang = "C"; |
|
309
|
|
|
} |
|
310
|
|
|
} else { |
|
311
|
|
|
$bad[] = $objValue; |
|
312
|
|
|
continue; |
|
313
|
|
|
} |
|
314
|
|
|
// did we get a C language? set corresponding value to TRUE |
|
315
|
|
|
if ($lang == "C") { |
|
316
|
|
|
$multilangAttrsWithC[$objValue] = TRUE; |
|
317
|
|
|
} |
|
318
|
|
|
} |
|
319
|
|
|
|
|
320
|
|
|
// many of the cases below condense due to identical treatment |
|
321
|
|
|
// except validator function to call and where in POST the |
|
322
|
|
|
// content is |
|
323
|
|
|
$validators = [ |
|
324
|
|
|
\core\Options::TYPECODE_TEXT => ["function" => "string", "field" => \core\Options::TYPECODE_TEXT, "extraarg" => [TRUE]], |
|
325
|
|
|
\core\Options::TYPECODE_COORDINATES => ["function" => "coordJsonEncoded", "field" => \core\Options::TYPECODE_TEXT, "extraarg" => []], |
|
326
|
|
|
\core\Options::TYPECODE_BOOLEAN => ["function" => "boolean", "field" => \core\Options::TYPECODE_BOOLEAN, "extraarg" => []], |
|
327
|
|
|
\core\Options::TYPECODE_INTEGER => ["function" => "integer", "field" => \core\Options::TYPECODE_INTEGER, "extraarg" => []], |
|
328
|
|
|
]; |
|
329
|
|
|
|
|
330
|
|
|
switch ($optioninfo["type"]) { |
|
331
|
|
|
case \core\Options::TYPECODE_TEXT: |
|
332
|
|
|
case \core\Options::TYPECODE_COORDINATES: |
|
333
|
|
|
case \core\Options::TYPECODE_INTEGER: |
|
334
|
|
|
$varName = "$objId-" . $validators[$optioninfo['type']]['field']; |
|
335
|
|
|
if (!empty($listOfEntries[$varName])) { |
|
336
|
|
|
$content = call_user_func_array([$this->validator, $validators[$optioninfo['type']]['function']], array_merge([$listOfEntries[$varName]], $validators[$optioninfo['type']]['extraarg'])); |
|
337
|
|
|
break; |
|
338
|
|
|
} |
|
339
|
|
|
continue 2; |
|
340
|
|
|
case \core\Options::TYPECODE_BOOLEAN: |
|
341
|
|
|
$varName = "$objId-" . \core\Options::TYPECODE_BOOLEAN; |
|
342
|
|
|
if (!empty($listOfEntries[$varName])) { |
|
343
|
|
|
$contentValid = $this->validator->boolean($listOfEntries[$varName]); |
|
344
|
|
|
if ($contentValid) { |
|
345
|
|
|
$content = "on"; |
|
346
|
|
|
} else { |
|
347
|
|
|
$bad[] = $objValue; |
|
348
|
|
|
continue 2; |
|
349
|
|
|
} |
|
350
|
|
|
break; |
|
351
|
|
|
} |
|
352
|
|
|
continue 2; |
|
353
|
|
|
case \core\Options::TYPECODE_STRING: |
|
354
|
|
|
if (!empty($listOfEntries["$objId-" . \core\Options::TYPECODE_STRING])) { |
|
355
|
|
|
switch ($objValue) { |
|
356
|
|
|
case "media:consortium_OI": |
|
357
|
|
|
$content = $this->validator->consortiumOI($listOfEntries["$objId-" . \core\Options::TYPECODE_STRING]); |
|
358
|
|
|
if ($content === FALSE) { |
|
359
|
|
|
$bad[] = $objValue; |
|
360
|
|
|
continue 3; |
|
361
|
|
|
} |
|
362
|
|
|
break; |
|
363
|
|
|
case "media:remove_SSID": |
|
364
|
|
|
$content = $this->validator->string($listOfEntries["$objId-" . \core\Options::TYPECODE_STRING]); |
|
365
|
|
|
if ($content == "eduroam") { |
|
366
|
|
|
$bad[] = $objValue; |
|
367
|
|
|
continue 3; |
|
368
|
|
|
} |
|
369
|
|
|
break; |
|
370
|
|
|
case "media:force_proxy": |
|
371
|
|
|
$content = $this->validator->string($listOfEntries["$objId-" . \core\Options::TYPECODE_STRING]); |
|
372
|
|
|
$serverAndPort = explode(':', strrev($content), 2); |
|
373
|
|
|
if (count($serverAndPort) != 2) { |
|
374
|
|
|
$bad[] = $objValue; |
|
375
|
|
|
continue 3; |
|
376
|
|
|
} |
|
377
|
|
|
$port = strrev($serverAndPort[0]); |
|
378
|
|
|
if (!is_numeric($port)) { |
|
379
|
|
|
$bad[] = $objValue; |
|
380
|
|
|
continue 3; |
|
381
|
|
|
} |
|
382
|
|
|
break; |
|
383
|
|
|
default: |
|
384
|
|
|
$content = $this->validator->string($listOfEntries["$objId-" . \core\Options::TYPECODE_STRING]); |
|
385
|
|
|
break; |
|
386
|
|
|
} |
|
387
|
|
|
break; |
|
388
|
|
|
} |
|
389
|
|
|
continue 2; |
|
390
|
|
|
case \core\Options::TYPECODE_FILE: |
|
391
|
|
|
if (!empty($listOfEntries["$objId-" . \core\Options::TYPECODE_STRING])) { // was already in, by ROWID reference, extract |
|
392
|
|
|
// ROWID means it's a multi-line string (simple strings are inline in the form; so allow whitespace) |
|
393
|
|
|
$content = $this->validator->string(urldecode($listOfEntries["$objId-" . \core\Options::TYPECODE_STRING]), TRUE); |
|
394
|
|
|
break; |
|
395
|
|
|
} else if (isset($listOfEntries["$objId-" . \core\Options::TYPECODE_FILE]) && ($listOfEntries["$objId-" . \core\Options::TYPECODE_FILE] != "")) { // let's do the download |
|
396
|
|
|
$rawContent = \core\common\OutsideComm::downloadFile("file:///" . $listOfEntries["$objId-" . \core\Options::TYPECODE_FILE]); |
|
397
|
|
|
|
|
398
|
|
|
if ($rawContent === FALSE || !$this->checkUploadSanity($objValue, $rawContent)) { |
|
399
|
|
|
$bad[] = $objValue; |
|
400
|
|
|
continue 2; |
|
401
|
|
|
} |
|
402
|
|
|
$content = base64_encode($rawContent); |
|
403
|
|
|
break; |
|
404
|
|
|
} |
|
405
|
|
|
continue 2; |
|
406
|
|
|
default: |
|
407
|
|
|
throw new Exception("Internal Error: Unknown option type " . $objValue . "!"); |
|
408
|
|
|
} |
|
409
|
|
|
// lang can be NULL here, if it's not a multilang attribute, or a ROWID reference. Never mind that. |
|
410
|
|
|
$retval[] = ["$objValue" => ["lang" => $lang, "content" => $content]]; |
|
411
|
|
|
} |
|
412
|
|
|
} |
|
413
|
|
|
return $retval; |
|
414
|
|
|
} |
|
415
|
|
|
|
|
416
|
|
|
/** |
|
417
|
|
|
* The main function: takes all HTML field inputs, makes sense of them and stores valid data in the database |
|
418
|
|
|
* |
|
419
|
|
|
* @param mixed $object The object for which attributes were submitted |
|
420
|
|
|
* @param array $postArray incoming attribute names and values as submitted with $_POST |
|
421
|
|
|
* @param array $filesArray incoming attribute names and values as submitted with $_FILES |
|
422
|
|
|
* @param int $eaptype for eap-specific attributes (only used where $object is a ProfileRADIUS instance) |
|
423
|
|
|
* @param string $device for device-specific attributes (only used where $object is a ProfileRADIUS instance) |
|
424
|
|
|
* @return string text to be displayed in UI with the summary of attributes added |
|
425
|
|
|
* @throws Exception |
|
426
|
|
|
*/ |
|
427
|
|
|
public function processSubmittedFields($object, array $postArray, array $filesArray, int $eaptype = NULL, string $device = NULL) { |
|
428
|
|
|
|
|
429
|
|
|
// construct new array with all non-empty options for later feeding into DB |
|
430
|
|
|
// $multilangAttrsWithC is a helper array to keep track of multilang |
|
431
|
|
|
// options that were set in a specific language but are not |
|
432
|
|
|
// accompanied by a "default" language setting |
|
433
|
|
|
// if there are some without C by the end of processing, we need to warn |
|
434
|
|
|
// the admin that this attribute is "invisible" in certain languages |
|
435
|
|
|
// attrib_name -> boolean |
|
436
|
|
|
|
|
437
|
|
|
$multilangAttrsWithC = []; |
|
438
|
|
|
|
|
439
|
|
|
// these two variables store which attributes were processed |
|
440
|
|
|
// successfully vs. which were discarded because in some way malformed |
|
441
|
|
|
|
|
442
|
|
|
$good = []; |
|
443
|
|
|
$bad = []; |
|
444
|
|
|
|
|
445
|
|
|
// Step 1: collate option names, option values and uploaded files (by |
|
446
|
|
|
// filename reference) into one array for later handling |
|
447
|
|
|
|
|
448
|
|
|
$iterator = $this->collateOptionArrays($postArray, $filesArray); |
|
449
|
|
|
|
|
450
|
|
|
// Step 2: sieve out malformed input |
|
451
|
|
|
$cleanData = $this->sanitiseInputs($iterator, $multilangAttrsWithC, $bad); |
|
452
|
|
|
// Step 3: now we have clean input data. Some attributes need special care: |
|
453
|
|
|
// URL-based attributes need to be downloaded to get their actual content |
|
454
|
|
|
// CA files may need to be split (PEM can contain multiple CAs |
|
455
|
|
|
|
|
456
|
|
|
$optionsStep2 = $this->postProcessValidAttributes($cleanData, $good, $bad); |
|
457
|
|
|
|
|
458
|
|
|
// Step 4: coordinates do not follow the usual POST array as they are |
|
459
|
|
|
// two values forming one attribute; extract those two as an extra step |
|
460
|
|
|
|
|
461
|
|
|
$options = array_merge($optionsStep2, $this->postProcessCoordinates($postArray, $good)); |
|
462
|
|
|
|
|
463
|
|
|
// Step 5: push all the received options to the database. Keep mind of |
|
464
|
|
|
// the list of existing database entries that are to be deleted. |
|
465
|
|
|
// 5a: first deletion step: purge all old content except file-based attributes; |
|
466
|
|
|
// then take note of which file-based attributes are now stale |
|
467
|
|
|
if ($device === NULL && $eaptype === NULL) { |
|
468
|
|
|
$remaining = $object->beginflushAttributes(); |
|
469
|
|
|
$killlist = $this->sendOptionsToDatabase($object, $options, $remaining); |
|
470
|
|
|
} elseif ($device !== NULL) { |
|
471
|
|
|
$remaining = $object->beginFlushMethodLevelAttributes(0, $device); |
|
472
|
|
|
$killlist = $this->sendOptionsToDatabase($object, $options, $remaining, $device); |
|
473
|
|
|
} else { |
|
474
|
|
|
$remaining = $object->beginFlushMethodLevelAttributes($eaptype, ""); |
|
475
|
|
|
$killlist = $this->sendOptionsToDatabase($object, $options, $remaining, NULL, $eaptype); |
|
476
|
|
|
} |
|
477
|
|
|
// 5b: finally, kill the stale file-based attributes which are not wanted any more. |
|
478
|
|
|
$object->commitFlushAttributes($killlist); |
|
479
|
|
|
|
|
480
|
|
|
// finally: return HTML code that gives feedback about what we did. |
|
481
|
|
|
// In some cases, callers won't actually want to display it; so simply |
|
482
|
|
|
// do not echo the return value. Reasons not to do this is if we working |
|
483
|
|
|
// e.g. from inside an overlay |
|
484
|
|
|
|
|
485
|
|
|
return $this->displaySummaryInUI($good, $bad, $multilangAttrsWithC); |
|
486
|
|
|
} |
|
487
|
|
|
|
|
488
|
|
|
} |
|
489
|
|
|
|
GEANT /
CAT
