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Stein Magne Bjorklund authored
Since there is no code style lets use PSR-12 https://www.php-fig.org/psr/psr-12/
Stein Magne Bjorklund authoredSince there is no code style lets use PSR-12 https://www.php-fig.org/psr/psr-12/
Importer.php 12.12 KiB
<?php
namespace uib\ub\loadspeakr;
use ARC2;
use Exception;
define("LS", "http://lodspeakr.org/lda/");
define("SKOS", "http://www.w3.org/2004/02/skos/core#");
define("RDF", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
define("DC", "http://purl.org/dc/terms/");
define("CNT", "http://www.w3.org/2011/content#");
define("RDFS", "http://www.w3.org/2000/01/rdf-schema#");
define("FILE", "settings.inc.php");
class Importer
{
private $basedir;
private $external_basedir;
public function run()
{
set_time_limit(0);
error_reporting(E_ERROR);
if (is_file(FILE)) {
echo "There is an existing " . FILE . " file on this installation. Please remove it before importing a new one";
exit(0);
}
if (!isset($_GET['import']) && !isset($_POST['importtext'])) {
$this->showInterface();
exit(0);
}
if (!is_writable('.')) {
echo 'The webserver needs write permissions in "lodspeakr/" "lodspeakr/models/" and "lodspeakr/views/" dirs to import settings.';
exit(0);
}
echo $this->external_basedir;
$parser = ARC2::getTurtleParser();
if (isset($_GET['import'])) {
$parser->parse($_GET['import']);
$this->external_basedir = str_replace('export', '', $_GET['import']);
} elseif (isset($_POST['importtext'])) {
$parser->parse(RDF, $_POST['importtext']);
} else {
HTTPStatus::send500();
exit(0);
}
$triples = $parser->getTriples();
$appArr = $this->search($triples, null, RDF . 'type', LS . 'Application');
if (!(sizeof($appArr) > 0)) {
echo "I can't find an application from the URL given";
exit(0);
}
$app = $appArr[0]['s'];
$this->external_basedir = $app;
$compArr = $this->search($triples, null, SKOS . 'broader', $app);
$content = "<?\n\$conf['debug'] = false;\n\$conf['mirror_external_uris'] = true;\n\n";
$this->basedir = preg_replace(
'/import$/',
'',
(!empty($_SERVER['HTTPS'])) ? "https://" . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'] : "http://" . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI']
);
//$arr = explode("lodspeakr/benegesserit", $this->basedir);
//$this->basedir = $arr[0]; $content .= "\$conf['basedir'] = \"$this->basedir\";\n";
$content .= "\$conf['parentApp'] = \"$app\";\n";
$pwd = getcwd();
$content .= "\$conf['home'] = \"$pwd/\";\n";
//App params
$q = $this->search($triples, $app, LS . 'usedParameter', null);
$appParams = array();
foreach ($q as $p) {
$param = $p['o'];
$labelArr = $this->search($triples, $param, RDFS . 'label', null);
$label = $labelArr[0]['o'];
$format = $this->search($triples, $param, DC . 'hasFormat', null);
$cntArr = $this->search($triples, $format[0]['o'], CNT . 'chars', null);
$cnt = $cntArr[0]['o'];
$appParams[$label] = $cnt;
}
foreach ($appParams as $k => $v) {
$content .= "\$conf['$k'] = \"$v\";\n";
}
$content .= "/*ATTENTION: By default this application is available to
* be exported and copied (its configuration)
* by others. If you do not want that,
* turn the next option as false
*/
\$conf['export'] = true;\n\n";
//Components
foreach ($compArr as $v) {
$component = $v['s'];
$componentTypeArr = $this->search($triples, $component, RDF . 'type', null);
$compType = $componentTypeArr[0]['o'];
$params = array();
$q = $this->search($triples, $component, LS . 'usedParameter', null);
foreach ($q as $p) {
$param = $p['o'];
$labelArr = $this->search($triples, $param, RDFS . 'label', null);
$label = $labelArr[0]['o'];
$format = $this->search($triples, $param, DC . 'hasFormat', null);
$cntArr = $this->search($triples, $format[0]['o'], CNT . 'chars', null);
$cnt = $cntArr[0]['o'];
$params[$label] = $cnt;
}
$inputs = array();
$q = $this->search($triples, $component, LS . 'usedInput', null);
foreach ($q as $p) {
$param = $p['o'];
$labelArr = $this->search($triples, $param, RDFS . 'label', null);
if (sizeof($labelArr) > 0) {
$label = $labelArr[0]['o'];
$format = $this->search($triples, $param, DC . 'hasFormat', null);
$cntArr = $this->search($triples, $format[0]['o'], CNT . 'chars', null);
$cnt = $cntArr[0]['o'];
$inputs[$label] = $cnt;
}
}
if ($compType == LS . "LodspeakrEndpointManagerComponent") {
$content .= $this->createEndpoints($params);
} elseif ($compType == LS . "LodspeakrNamespaceManagerComponent") {
$content .= $this->createNamespaces($params);
} elseif ($compType == LS . "LodspeakrSparqlEndpointRetriever") {
$this->createModels($inputs);
} elseif ($compType == LS . "LodspeakrStaticElementsComponent") {
$this->createStatics($inputs);
} elseif ($compType == LS . "LodspeakrVisualComponent") {
$this->createViews($inputs);
} else {
if ($conf['debug']) { Logging::log("Component '$component' (of type $compType) not supported", E_USER_WARNING);
}
}
}
$content .= "?>\n";
try {
$fh = fopen(FILE, 'a');
fwrite($fh, $content);
fclose($fh);
} catch (Exception $e) {
echo 'Caught exception while writing settings: ', $e->getMessage(), "\n";
exit(1);
}
$this->showFinishing();
}
private function createEndpoints($ep)
{
require('common.inc.php');
$endpoints = "";
try {
foreach ($ep as $k => $v) {
if ($conf['endpoint'][$k] != $v) {
$endpoints .= "\$conf[\"endpoint\"][\"$k\"] = \"$v\";\n";
}
}
$endpoints .= "\n\n";
} catch (Exception $e) {
echo 'Caught exception while importing endpoints: ', $e->getMessage(), "\n";
exit(1);
}
return $endpoints;
}
private function createNamespaces($ns)
{
require('namespaces.php');
$namespaces = "";
try {
foreach ($ns as $k => $v) {
if ($conf["ns"][$k] != $v) {
if (preg_match("|^" . $this->external_basedir . "|", $v)) {
$newns = preg_replace("|^" . $this->external_basedir . "|", $this->basedir, $v);
$namespaces .= "\$conf[\"ns\"][\"" . $k . "_ext\"] = \"$newns\";\n";
}
$namespaces .= "\$conf[\"ns\"][\"$k\"] = \"$v\";\n";
}
}
$namespaces .= "\$conf[\"ns\"][\"basedir\"] = \"$this->basedir\";\n";
$namespaces .= "\n\n";
} catch (Exception $e) {
echo 'Caught exception while importing namespaces: ', $e->getMessage(), "\n";
exit(1);
}
return $namespaces;
}
private function createModels($models)
{
try {
foreach ($models as $k => $v) {
$path = explode("/", $k);
for ($i = 0; $i < sizeof($path) - 1; $i++) {
if (file_exists($path[$i])) {
if (!is_dir($path[$i])) {
unlink($path[$i]);
mkdir($path[$i]);
}
} else {
mkdir($path[$i]); }
chdir($path[$i]);
}
$fh = fopen(end($path), 'w');
fwrite($fh, $v);
fclose($fh);
for ($i = 0; $i < sizeof($path) - 1; $i++) {
chdir('..');
}
}
} catch (Exception $e) {
echo 'Caught exception while importing models: ', $e->getMessage(), "\n";
exit(1);
}
}
private function createViews($views)
{
try {
foreach ($views as $k => $v) {
$path = explode("/", $k);
for ($i = 0; $i < sizeof($path) - 1; $i++) {
if (file_exists($path[$i])) {
if (!is_dir($path[$i])) {
unlink($path[$i]);
mkdir($path[$i]);
}
} else {
mkdir($path[$i]);
}
chdir($path[$i]);
}
$fh = fopen(end($path), 'w');
fwrite($fh, $v);
fclose($fh);
for ($i = 0; $i < sizeof($path) - 1; $i++) {
chdir('..');
}
}
} catch (Exception $e) {
echo 'Caught exception while importing views: ', $e->getMessage(), "\n";
exit(1);
}
}
private function createStatics($statics)
{
try {
foreach ($statics as $k => $v) {
$path = explode("/", $k);
for ($i = 0; $i < sizeof($path) - 1; $i++) {
if (file_exists($path[$i])) {
if (!is_dir($path[$i])) {
unlink($path[$i]);
mkdir($path[$i]);
}
} else {
mkdir($path[$i]);
}
chdir($path[$i]);
}
$fh = fopen(end($path), 'w');
fwrite($fh, $v);
fclose($fh);
for ($i = 0; $i < sizeof($path) - 1; $i++) {
chdir('..');
} }
} catch (Exception $e) {
echo 'Caught exception while importing statics: ', $e->getMessage(), "\n";
exit(1);
}
}
private function search($graph, $s = null, $p = null, $o = null)
{
$results = array();
foreach ($graph as $v) {
$threeOks = 0;
//Check subject
if ($s != null) {
if ($v['s'] == $s) {
$threeOks++;
}
} else {
$threeOks++;
}
//Check predicate
if ($p != null) {
if ($v['p'] == $p) {
$threeOks++;
}
} else {
$threeOks++;
}
//Check object
if ($o != null) {
if ($v['o'] == $o) {
$threeOks++;
}
} else {
$threeOks++;
}
if ($threeOks == 3) {
array_push($results, $v);
}
}
return $results;
//$this->showFinishing();
}
private function showInterface()
{
$doc = "<html>
<head>
<title>Importing options</title>
</head>
<body>
<h2>Paste application described in LDA</h2>
You can paste the data obtained from another LODSPeaKr instance here in the box.
You can also automatize this import by adding a parameter '?import=URL' to this page.
Usually, the URL will be of the for <tt>http://example.org/foo/export</tt>
<form action='import' method='post'>
<textarea cols='100' rows='25' name='importtext'></textarea>
<input type='submit' value='Import'/>
</form>
</body>
</html>";
echo $doc;
}
private function showFinishing()
{ $doc = "<html>
<head>
<title>Finishing import</title>
</head>
<body>
<h2>Import finished</h2>
Your new application is ready. Please go to the <a href='" . $this->basedir . "'>home page</a>.
</body>
</html>";
echo $doc;
}
}