400 lines
13 KiB
PHP
400 lines
13 KiB
PHP
<?PHP
|
||
/**
|
||
* Main functions file.
|
||
*
|
||
* @author Joshua Ramon Enslin <joshua@jrenslin.de>
|
||
*/
|
||
|
||
/**
|
||
* Browsersprache ermitteln
|
||
*
|
||
* @param array $allowed_languages Array of allowed languages.
|
||
* @param string $default_language Language code of the default language.
|
||
* @param string|null $lang_variable Already set language variable.
|
||
* @param boolean $strict_mode Whether to demand de (false) or de-de.
|
||
*
|
||
* @return string
|
||
*/
|
||
function lang_getfrombrowser(array $allowed_languages, string $default_language, $lang_variable = null, bool $strict_mode = true) {
|
||
// $_SERVER['HTTP_ACCEPT_LANGUAGE'] verwenden, wenn keine Sprachvariable mitgegeben wurde
|
||
if ($lang_variable === null) {
|
||
if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) $lang_variable = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
|
||
}
|
||
|
||
// wurde irgendwelche Information mitgeschickt?
|
||
if (empty($lang_variable)) {
|
||
// Nein? => Standardsprache zurückgeben
|
||
return $default_language;
|
||
}
|
||
|
||
// Den Header auftrennen
|
||
$accepted_languages = preg_split('/,\s*/', $lang_variable);
|
||
|
||
// Die Standardwerte einstellen
|
||
$current_lang = $default_language;
|
||
$current_q = 0;
|
||
|
||
// Nun alle mitgegebenen Sprachen abarbeiten
|
||
foreach ($accepted_languages as $accepted_language) {
|
||
// Alle Infos über diese Sprache rausholen
|
||
$res = preg_match('/^([a-z]{1,8}(?:-[a-z]{1,8})*)' . '(?:;\s*q=(0(?:\.[0-9]{1,3})?|1(?:\.0{1,3})?))?$/i', $accepted_language, $matches
|
||
);
|
||
|
||
// war die Syntax gültig?
|
||
if (!$res) {
|
||
// Nein? Dann ignorieren
|
||
continue;
|
||
}
|
||
|
||
// Sprachcode holen und dann sofort in die Einzelteile trennen
|
||
$lang_code = explode('-', $matches[1]);
|
||
|
||
// Wurde eine Qualität mitgegeben?
|
||
if (isset($matches[2])) {
|
||
// die Qualität benutzen
|
||
$lang_quality = (float)$matches[2];
|
||
} else {
|
||
// Kompabilitätsmodus: Qualität 1 annehmen
|
||
$lang_quality = 1.0;
|
||
}
|
||
|
||
// Bis der Sprachcode leer ist...
|
||
while (count($lang_code)) {
|
||
// mal sehen, ob der Sprachcode angeboten wird
|
||
if (in_array(strtolower(join('-', $lang_code)), $allowed_languages)) {
|
||
// Qualität anschauen
|
||
if ($lang_quality > $current_q) {
|
||
// diese Sprache verwenden
|
||
$current_lang = strtolower(join ('-', $lang_code));
|
||
$current_q = $lang_quality;
|
||
// Hier die innere while-Schleife verlassen
|
||
break;
|
||
}
|
||
}
|
||
// Wenn wir im strengen Modus sind, die Sprache nicht versuchen zu minimalisieren
|
||
if ($strict_mode) {
|
||
// innere While-Schleife aufbrechen
|
||
break;
|
||
}
|
||
// den rechtesten Teil des Sprachcodes abschneiden
|
||
array_pop($lang_code);
|
||
}
|
||
}
|
||
|
||
// die gefundene Sprache zurückgeben
|
||
return $current_lang;
|
||
|
||
}
|
||
|
||
/**
|
||
* Function ensureDir checks if a directory exists, and creates it if it does not yet.
|
||
*
|
||
* @param string $filepath File path.
|
||
*
|
||
* @return void
|
||
*/
|
||
function ensureDir(string $filepath) {
|
||
if (!is_dir($filepath)) mkdir($filepath);
|
||
|
||
}
|
||
|
||
/**
|
||
* Function ensureJson checks that a JSON file exists. If not, it creates an empty one at the specified location.
|
||
*
|
||
* @param string $filepath File path to the JSON file.
|
||
*
|
||
* @return void
|
||
*/
|
||
function ensureJson(string $filepath) {
|
||
|
||
if (!file_exists($filepath) or filesize($filepath) < 2) {
|
||
file_put_contents($filepath, "[]");
|
||
}
|
||
|
||
}
|
||
|
||
/**
|
||
* Function ensuring the existence of all required files and folders.
|
||
*
|
||
* @return void
|
||
*/
|
||
function ensureEnvironment() {
|
||
|
||
$dirs = [
|
||
"contents",
|
||
"pdf",
|
||
"tex"
|
||
];
|
||
|
||
foreach ($dirs as $dir) {
|
||
ensureDir(__DIR__ . "/$dir");
|
||
}
|
||
|
||
}
|
||
|
||
/**
|
||
* Function transform escapes a string for printing in TeX
|
||
*
|
||
* @param string $transform String to transform.
|
||
*
|
||
* @return string
|
||
*/
|
||
function transform(string $transform):string {
|
||
|
||
$transform = preg_replace('#<br>#', ' ', $transform);
|
||
$transform = preg_replace('#</br>#', ' ', $transform);
|
||
$transform = preg_replace('#<br />#', ' ', $transform);
|
||
$transform = preg_replace('#’#', '\'', $transform);
|
||
$transform = preg_replace('#' . chr(11) . '#', ' ', $transform);
|
||
$transform = preg_replace('#"#', '"', $transform);
|
||
$transform = preg_replace('#&#', '&', $transform);
|
||
$transform = preg_replace('#•#', '•', $transform);
|
||
$transform = preg_replace('#' . chr(9) . '#', '', $transform);
|
||
$transform = str_replace('&', '\\&', $transform);
|
||
$transform = str_replace('{', '\\{', $transform);
|
||
$transform = str_replace('}', '\\}', $transform);
|
||
$transform = str_replace('_', '\\_', $transform);
|
||
$transform = preg_replace('#Ä#', 'Ä', $transform);
|
||
$transform = preg_replace('#À#', 'À', $transform);
|
||
$transform = preg_replace('#Á#', 'Á', $transform);
|
||
$transform = preg_replace('#à#', 'à', $transform);
|
||
$transform = preg_replace('#á#', 'á', $transform);
|
||
$transform = preg_replace('#ä#', 'ä', $transform);
|
||
$transform = preg_replace('#Ö#', 'Ö', $transform);
|
||
$transform = preg_replace('#Ò#', 'Ò', $transform);
|
||
$transform = preg_replace('#Ó#', 'Ó', $transform);
|
||
$transform = preg_replace('#ò#', 'ò', $transform);
|
||
$transform = preg_replace('#ó#', 'ó', $transform);
|
||
$transform = preg_replace('#ö#', 'ö', $transform);
|
||
$transform = preg_replace('#Ü#', 'Ü', $transform);
|
||
$transform = preg_replace('#Ù#', 'Ù', $transform);
|
||
$transform = preg_replace('#Ú#', 'Ú', $transform);
|
||
$transform = preg_replace('#ù#', 'ù', $transform);
|
||
$transform = preg_replace('#ú#', 'ú', $transform);
|
||
$transform = preg_replace('#ü#', 'ü', $transform);
|
||
$transform = preg_replace('#ß#', 'ß', $transform);
|
||
$transform = preg_replace('#Ç#', 'Ç', $transform);
|
||
$transform = preg_replace('#ç#', 'ç', $transform);
|
||
$transform = preg_replace('#’#', '´', $transform);
|
||
$transform = preg_replace('#é#', 'é', $transform);
|
||
$transform = preg_replace('#è#', 'è', $transform);
|
||
|
||
foreach (array("[", "]") as $toescape)
|
||
$transform = str_replace ($toescape, "$" . $toescape . "$", $transform);
|
||
|
||
$transform = html_entity_decode($transform, ENT_QUOTES, "utf-8" );
|
||
return $transform;
|
||
|
||
}
|
||
|
||
/**
|
||
* Function scanDirConts is a wrapper around scandir(), which removes [".", ".."].
|
||
*
|
||
* @param string $folder Folder to scan.
|
||
*
|
||
* @return string[]
|
||
*/
|
||
function scanDirConts(string $folder) {
|
||
return array_values(array_diff(scandir($folder), [".", "..", ".git"]));
|
||
|
||
}
|
||
|
||
// Generating PDFs
|
||
|
||
/**
|
||
* Function copyFolder copies a folder including all its contents.
|
||
*
|
||
* @param string $from Source location.
|
||
* @param string $to Target location.
|
||
*
|
||
* @return void
|
||
*/
|
||
function copyFolder(string $from, string $to) {
|
||
mkdir($to);
|
||
foreach (array_diff(scandir("$from"), [".", ".."]) as $file) {
|
||
copy("$from/$file", "$to/$file");
|
||
}
|
||
|
||
}
|
||
|
||
/**
|
||
* Function removeFolder deletes a folder including all its contents.
|
||
*
|
||
* @param string $folder Folder location.
|
||
*
|
||
* @return void
|
||
*/
|
||
function removeFolder(string $folder) {
|
||
foreach (array_diff(scandir("$folder"), [".", ".."]) as $file) {
|
||
if (is_dir("$folder/$file")) removeFolder("$folder/$file");
|
||
else unlink("$folder/$file");
|
||
}
|
||
rmdir($folder);
|
||
|
||
}
|
||
|
||
/**
|
||
* Function removeFolder deletes a folder including all its contents.
|
||
* It stops if a subfolder is younger than 60 seconds
|
||
*
|
||
* @param string $folder Folder location.
|
||
* @param string $exclude Folder for which time should not be checked.
|
||
*
|
||
* @return boolean
|
||
*/
|
||
function removeFolderGently(string $folder, string $exclude) {
|
||
foreach (array_diff(scandir("$folder"), [".", ".."]) as $file) {
|
||
if (time() - filemtime("$folder/$file") < 10 and $file != $exclude) continue;
|
||
if (is_dir("$folder/$file")) $output = removeFolder("$folder/$file");
|
||
else if (!is_dir("$folder/$file")) unlink("$folder/$file");
|
||
}
|
||
if (count(array_diff(scandir("$folder"), [".", ".."])) == 0) rmdir($folder);
|
||
return $output;
|
||
|
||
}
|
||
|
||
/**
|
||
* Function runPDF runs LaTeX to generate a PDF file and then serves said file.
|
||
* It also does the subsequent cleanup by deleting the folder the PDF was generated in afterwards.
|
||
*
|
||
* @param string $folder Determines the folder (say, template) to use for PDF generation.
|
||
* @param string $texFilename Name of the TeX file. Used without its ending.
|
||
* @param string $filename Filename as it should be shown to the user.
|
||
* @param array $pdfSettings Additional parameters to use \def for.
|
||
* @param string $lang Language. Optional.
|
||
* @param boolean $debug Enables/disables debug mode. Optional.
|
||
*
|
||
* @return void
|
||
*/
|
||
function runPDF(string $folder, string $texFilename, string $filename, array $pdfSettings, string $lang = "de", bool $debug = false) {
|
||
|
||
if (!is_dir("./tmp")) mkdir("./tmp");
|
||
|
||
/* Eine eindeutige ID, beispielsweise: 4b3403665fea6 */
|
||
$uniqid = uniqid("PDF_");
|
||
|
||
copyFolder("$folder", "./tmp/$uniqid");
|
||
copy("$texFilename.tex", "./tmp/$uniqid/$texFilename.tex");
|
||
|
||
$generateUserSettings = function($lang, $pdfSettings) {
|
||
$babelPackages = [
|
||
"en" => "english",
|
||
"de" => "german",
|
||
"es" => "spanish",
|
||
"hu" => "hungarian"
|
||
];
|
||
|
||
if (in_array($lang, $babelPackages)) $lan = $lang;
|
||
else $lan = "en";
|
||
|
||
return '\\usepackage[' . $babelPackages[$lan] . ']{babel}
|
||
\\def \\pageTitle {' . transform($pdfSettings['title']) . '}' . PHP_EOL . '
|
||
\\def \\pageTitleImg {' . transform($pdfSettings['bgImg']) . '}' . PHP_EOL;
|
||
};
|
||
$userSettings = $generateUserSettings($lang, $pdfSettings);
|
||
|
||
file_put_contents("./tmp/$uniqid/pdfSettings.tex", $userSettings);
|
||
|
||
chdir("./tmp/$uniqid");
|
||
|
||
// Right now, pdflatex needs to be used. Once new packages are available, xelatex is to be preferred.
|
||
exec("pdflatex -interaction nonstopmode -pdf -pv $texFilename.tex");
|
||
|
||
ensureDir(__DIR__ . "/pdf/$lang");
|
||
|
||
// Move output file to PDF directory.
|
||
if (file_exists(__DIR__ . "/pdf/$lang/$filename.pdf")) unlink(__DIR__ . "/pdf/$lang/$filename.pdf");
|
||
rename("$filename.pdf", __DIR__ . "/pdf/$lang/$filename.pdf");
|
||
|
||
# header("Content-type:application/pdf");
|
||
# header("Content-Disposition:inline;filename=$filename");
|
||
# readfile ("$texFilename.pdf");
|
||
|
||
chdir(__DIR__);
|
||
if (!$debug) removeFolderGently("./tmp", $uniqid);
|
||
|
||
}
|
||
|
||
// HTML Stuff
|
||
|
||
/**
|
||
* Function getHTMLHead returns the HTML for the top of the page.
|
||
*
|
||
* @param string $title Title of the page.
|
||
* @param string $contents Page contents.
|
||
* @param string $lang Language. Optional.
|
||
* @param array $availableLangs Page description. Optional.
|
||
* @param string $descriptions Page description. Optional.
|
||
* @param string $pdfLink Link to brochure. Optional.
|
||
*
|
||
* @return string
|
||
*/
|
||
function printHTMLPage(string $title, string $contents, string $lang = "en", array $availableLangs = ["en"], string $descriptions = "", string $pdfLink = "brochure"):string {
|
||
|
||
$output = '<!DOCTYPE html>
|
||
<html lang="' . $lang . '" id="' . str_replace(":", "", str_replace(" ", "", $title)) . '">
|
||
<head>
|
||
|
||
<meta name="viewport" content="width=device-width, initial-scale=1" />
|
||
<meta http-equiv="content-type" content="text/html; charset=UTF-8"/>
|
||
<meta charset="UTF-8" />
|
||
|
||
<link rel="shortcut icon" sizes="16x16 32x32" href="./media/mdlogo-32px.png" />
|
||
<link rel="shortcut icon" sizes="64x64" href="./media/mdlogo-64px.png" /><link rel="stylesheet" type="text/css" href="css/main.css">
|
||
|
||
<meta name="twitter:title" content="' . $title . '" />
|
||
<meta property="og:title" content="' . $title . '" />
|
||
<title>' . $title . '</title>
|
||
|
||
<meta name="twitter:card" content="summary" />
|
||
<meta name="twitter:site" content="@museumdigital" />
|
||
<meta name="description" content="' . $descriptions . '" />
|
||
<meta name="twitter:description" content="' . $descriptions . '" />
|
||
|
||
<link rel="manifest" href="manifest.json">
|
||
|
||
<link rel="stylesheet" type="text/css" href="css/main.css">
|
||
|
||
</head>
|
||
<body id="start">
|
||
|
||
<nav id="mainNav">
|
||
<a href="./?t=about#start">About</a>
|
||
<a href="./?t=press#start">Pressespiegel</a>
|
||
<a href="#bottom"></a>
|
||
</nav>
|
||
|
||
';
|
||
$output .= $contents . '
|
||
<footer id="bottom">
|
||
<a href="pdf/' . $lang . '/' . $pdfLink . '.pdf" class="buttonLike">PDF</a>
|
||
</footer>
|
||
|
||
<footer id="optionsFooter">
|
||
<div>
|
||
|
||
</div>
|
||
<div>
|
||
<ul id="optionsLangs">
|
||
';
|
||
|
||
foreach ($availableLangs as $tLang) {
|
||
$output .= "
|
||
<li><a href='./?lang=$tLang'>$tLang</a></li>
|
||
";
|
||
}
|
||
|
||
$output .= '
|
||
</ul>
|
||
</div>
|
||
</footer>
|
||
|
||
<script src="./js/tracking.js"></script>
|
||
<noscript><p><img src="https://www.jrenslin.de/museum-digital/piwik/piwik.php?idsite=1" /></p></noscript>
|
||
|
||
</html>';
|
||
|
||
return $output;
|
||
|
||
}
|