LDAPAccountManager/lam/lib/pdfstruct.inc

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<?php
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namespace LAM\PDF;
use \htmlStatusMessage;
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use \LAMException;
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use \LAM\ImageUtils\ImageManipulationFactory;
/*
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This code is part of LDAP Account Manager (http://www.ldap-account-manager.org/)
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Copyright (C) 2003 - 2006 Michael Duergner
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2011 - 2020 Roland Gruber
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
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/**
* Functions to manage the PDF structures.
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*
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* @author Michael Duergner
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* @package PDF
*/
/** LAM configuration */
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include_once(__DIR__ . "/config.inc");
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/**
* Use as server profile name to manage global templates.
*/
const GLOBAL_PROFILE = '__GLOBAL__';
/** LDAP object */
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include_once(__DIR__ . "/ldap.inc");
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/**
* This function will return all available PDF structure definitions for the submitted
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* account type.
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*
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* @param string $typeId the account type
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* @param string $profile server profile name
*
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* @return string[] All available PDF structure definitions for the submitted account
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* scope. Each entry is a string being the filename that may be passed to the
* createModulePDF() function as second argument.
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*/
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function getPDFStructures($typeId, $profile) {
$return = array();
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if (!preg_match('/[a-zA-Z]+/', $typeId)) {
return null;
}
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$path = dirname(__FILE__) . '/../config/pdf/' . $profile;
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if(is_dir($path)) {
$dirHandle = opendir($path);
while($file = readdir($dirHandle)) {
$struct_file = explode('.',$file);
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if(!is_dir($path.$file) && ($file != '.') && ($file != '..') && (sizeof($struct_file) == 3) && ($struct_file[1] == $typeId) && ($struct_file[2] == 'xml')) {
array_push($return, $struct_file[0]);
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}
}
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sort($return);
}
return $return;
}
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/**
* Deletes XML file with PDF structure definitions.
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*
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* @param string $typeId account type
* @param string $name Name of definition to delete
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* @param string $serverProfileName server profile name
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* @return boolean True if file was deleted or false if a problem occurred.
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*/
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function deletePDFStructure($typeId, $name, $serverProfileName) {
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if (!isValidPDFStructureName($name) || !preg_match('/[a-zA-Z]+/',$typeId)) {
return false;
}
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$file = dirname(__FILE__) . '/../config/pdf/' . $serverProfileName . '/' . $name . '.' . $typeId . '.xml';
if(is_file($file) && is_writable($file)) {
return unlink($file);
}
else {
return false;
}
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}
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/**
* This function returns an array with all aviliable logo images.
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*
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* @param string $serverProfileName server profile name
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* @return array list of logo files (array('filename' => PATH, 'infos' => array(width, height)))
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*/
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function getAvailableLogos($serverProfileName) {
$return = array();
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$dirPath = dirname(__FILE__) . '/../config/pdf/' . $serverProfileName . '/logos/';
$dirHandle = opendir($dirPath);
while($file = readdir($dirHandle)) {
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if(!is_dir($file) && $file != '.' && $file != '..' && preg_match('/\\.(jpg|png)$/i',$file)) {
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include_once dirname(__FILE__) . '/imageutils.inc';
$imageManipulator = ImageManipulationFactory::getImageManipulatorFromFile($dirPath . $file);
$infos = array($imageManipulator->getWidth(), $imageManipulator->getHeight());
$imageManipulator = null;
array_push($return, array('filename' => $file, 'infos' => $infos));
}
}
sort($return);
return $return;
}
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/**
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* Copies a PDF structure from the given source to target.
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*
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* @param \LAM\TYPES\ConfiguredType $sourceType source type
* @param string $sourceStructureName structure name
* @param \LAM\TYPES\ConfiguredType $targetType target type
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* @throws LAMException error during copy
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*/
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function copyStructure($sourceType, $sourceStructureName, $targetType) {
if (!isValidPDFStructureName($sourceStructureName)) {
throw new LAMException(_('Failed to copy'));
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}
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$sourceConfig = $sourceType->getTypeManager()->getConfig()->getName();
$sourceTypeId = $sourceType->getId();
$targetConfig = $targetType->getTypeManager()->getConfig()->getName();
$targetTypeId = $targetType->getId();
$basePath = dirname(__FILE__) . '/../config/pdf/';
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$src = $basePath . $sourceConfig . '/' . $sourceStructureName . '.' . $sourceTypeId . '.xml';
$dst = $basePath . $targetConfig . '/' . $sourceStructureName . '.' . $targetTypeId . '.xml';
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if (!@copy($src, $dst)) {
throw new LAMException(_('Failed to copy'), $sourceConfig . ': ' . $sourceStructureName);
}
}
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/**
* Copies a PDF structure from the given source to global templates.
*
* @param \LAM\TYPES\ConfiguredType $sourceType source type
* @param string $sourceName structure name
* @throws Exception
*/
function copyStructureToTemplates($sourceType, $sourceName) {
if (!isValidPDFStructureName($sourceName)) {
throw new LAMException(_('Failed to copy'));
}
$sourceConfig = $sourceType->getTypeManager()->getConfig()->getName();
$sourceTypeId = $sourceType->getId();
$basePath = dirname(__FILE__) . '/../config/pdf/';
$templatePath = dirname(__FILE__) . '/../config/templates/pdf/';
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$src = $basePath . $sourceConfig . '/' . $sourceName . '.' . $sourceTypeId . '.xml';
$dst = $templatePath . $sourceName . '.' . $sourceType->getScope() . '.xml';
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if (!@copy($src, $dst)) {
throw new LAMException(_('Failed to copy'), $sourceConfig . ': ' . $sourceName);
}
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}
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/**
* Uploads a PDF logo file for the current server profile.
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*
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* @param String $file full path of temporary file
* @param String $name file name
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* @param string $serverProfileName server profile name
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* @return htmlStatusMessage status message to display
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*/
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function uploadPDFLogo($file, $name, $serverProfileName) {
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if (!preg_match('/[a-zA-Z0-9_-]+\\.(png)|(jpg)/i', $name)) {
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return new htmlStatusMessage('ERROR', _('Unable to upload logo file.'), _('The file name must end with ".png" or ".jpg".'));
}
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if ($serverProfileName === GLOBAL_PROFILE) {
$serverProfileName = '../templates/pdf';
}
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$dirPath = dirname(__FILE__) . '/../config/pdf/' . $serverProfileName . '/logos/';
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$success = copy($file, $dirPath . '/' . $name);
if ($success) {
return new htmlStatusMessage('INFO', _('Uploaded logo file.'), $name);
}
else {
return new htmlStatusMessage('ERROR', _('Unable to upload logo file.'), $name);
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}
}
/**
* Deletes a PDF logo file.
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*
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* @param String $name file name
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* @param string $serverProfileName server profile name
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* @return StatusMessage status message to display
*/
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function deletePDFLogo($name, $serverProfileName) {
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// check if valid file
$found = false;
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$logos = getAvailableLogos($serverProfileName);
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foreach ($logos as $logo) {
if ($logo['filename'] === $name) {
$found = true;
break;
}
}
if (!$found) {
return new htmlStatusMessage('ERROR', _('File does not exist.'), htmlspecialchars($name));
}
// check if still in use
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$typeManager = new \LAM\TYPES\TypeManager();
$activeTypes = $typeManager->getConfiguredTypes();
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$reader = new PDFStructureReader($serverProfileName);
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foreach ($activeTypes as $type) {
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$structures = getPDFStructures($type->getId(), $serverProfileName);
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foreach ($structures as $structure) {
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try {
$data = $reader->read($type->getId(), $structure);
if ($data->getLogo() == $name) {
return new htmlStatusMessage('ERROR', _('Unable to delete logo file.'),
sprintf(_('Logo is still in use by PDF structure "%s" in account type "%s".'), $structure, $type->getAlias()));
}
}
catch (LAMException $e) {
logNewMessage(LOG_ERR, 'Error reading PDF file ' . $e->getMessage());
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}
}
}
// delete file
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$dirPath = dirname(__FILE__) . '/../config/pdf/' . $serverProfileName . '/logos/';
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$success = @unlink($dirPath . '/' . $name);
if ($success) {
return new htmlStatusMessage('INFO', _('Logo file deleted.'), $name);
}
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return new htmlStatusMessage('ERROR', _('Unable to delete logo file.'), $name);
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}
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/**
* Returns if the give structure name is valid.
*
* @param string $name structure name
* @return boolean is valid
*/
function isValidPDFStructureName($name) {
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return preg_match('/^[a-z0-9\-\_]+$/i',$name) === 1;
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}
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/**
* Installs template structures to the current server profile.
*/
function installPDFTemplates() {
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$templatePath = __DIR__ . '/../config/templates/pdf';
$allTemplates = getPdfTemplateNames();
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$basePath = dirname(__FILE__) . '/../config/pdf/' . $_SESSION['config']->getName();
if (!file_exists($basePath)) {
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mkdir($basePath, 0700, true);
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}
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$typeManager = new \LAM\TYPES\TypeManager();
foreach ($typeManager->getConfiguredTypes() as $type) {
if (empty($allTemplates[$type->getScope()])) {
continue;
}
foreach ($allTemplates[$type->getScope()] as $templateName) {
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$path = $basePath . '/' . $templateName . '.' . $type->getId() . '.xml';
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if (!is_file($path)) {
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$template = $templatePath . '/' . $templateName . '.' . $type->getScope() . '.xml';
logNewMessage(LOG_DEBUG, 'Copy template ' . $template . ' to ' . $path);
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@copy($template, $path);
}
}
}
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if (!file_exists($basePath . '/logos')) {
mkdir($basePath . '/logos');
}
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$logos = getPdfTemplateLogoNames();
foreach ($logos as $logo) {
$path = $basePath . '/logos/' . $logo;
$template = $templatePath . '/logos/' . $logo;
if (!is_file($path)) {
logNewMessage(LOG_DEBUG, 'Copy template ' . $template . ' to ' . $path);
@copy($template, $path);
}
}
}
/**
* Returns all PDF template names.
*
* @return array names (array('user' => array('default')))
*/
function getPdfTemplateNames() {
$templatePath = __DIR__ . '/../config/templates/pdf';
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$templateDir = @dir($templatePath);
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$allTemplates = array();
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if ($templateDir) {
$entry = $templateDir->read();
while ($entry){
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$parts = explode('.', $entry);
if ((strlen($entry) > 3) && (sizeof($parts) == 3)) {
$name = $parts[0];
$scope = $parts[1];
$allTemplates[$scope][] = $name;
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}
$entry = $templateDir->read();
}
}
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return $allTemplates;
}
/**
* Returns all PDF template logo names.
*
* @return array names (array('user' => array('default.png')))
*/
function getPdfTemplateLogoNames() {
$templatePath = __DIR__ . '/../config/templates/pdf/logos';
$templateDir = @dir($templatePath);
$logos = array();
if ($templateDir) {
$entry = $templateDir->read();
while ($entry){
if ((strpos($entry, '.') !== 0) && is_file($templatePath . '/' . $entry)) {
$logos[] = $entry;
}
$entry = $templateDir->read();
}
}
return $logos;
}
/**
* Returns the binary data of the PDF template logo.
*
* @param string $name file name (without path)
* @return string binary
*/
function getPdfTemplateLogoBinary($name) {
$templatePath = __DIR__ . '/../config/templates/pdf/logos';
$fileName = $templatePath . '/' . $name;
$handle = fopen($fileName, 'r');
$logoBinary = fread($handle, 100000000);
fclose($handle);
return $logoBinary;
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}
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/**
* Reads a PDF structure.
*
* @author Roland Gruber
*/
class PDFStructureReader {
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private $serverProfileName;
/**
* Constructor.
*
* @param $serverProfileName server profile name
*/
public function __construct($serverProfileName) {
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if ($serverProfileName === GLOBAL_PROFILE) {
$this->serverProfileName = '../templates/pdf';
}
else {
$this->serverProfileName = $serverProfileName;
}
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}
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/**
* Reads a PDF structure.
*
* @param string $typeId type id
* @param string $name structure name
* @return PDFStructure structure
*/
public function read($typeId, $name) {
if (!isValidPDFStructureName($name) || !preg_match('/[a-zA-Z]+/', $typeId)) {
return null;
}
$file = $this->getFileName($typeId, $name);
return $this->readPDFFile($file);
}
/**
* Returns the file name for the given structure.
*
* @param string $typeId type id
* @param string $name structure name
* @return string file name
*/
protected function getFileName($typeId, $name) {
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return dirname(__FILE__) . '/../config/pdf/' . $this->serverProfileName . '/' . $name . '.' . $typeId . '.xml';
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}
/**
* Reads a PDF structure file.
*
* @param string $file file name
* @return PDFStructure structure
*/
private function readPDFFile($file) {
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logNewMessage(LOG_DEBUG, $file);
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$xml = new \XMLReader();
$xml->open($file);
$structure = new PDFStructure();
// open <pdf>
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@$xml->read();
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if (!$xml->name == 'pdf') {
logNewMessage(LOG_ERR, 'Unknown tag name: ' . $xml->name);
throw new \LAMException(_('Unable to read PDF structure.'));
}
$structure->setLogo($xml->getAttribute('filename'));
$structure->setTitle($xml->getAttribute('headline'));
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$structure->setFoldingMarks($xml->getAttribute('foldingmarks'));
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$sections = array();
while ($xml->read()) {
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if (($xml->nodeType === \XMLReader::SIGNIFICANT_WHITESPACE)
|| (($xml->name === 'pdf') && ($xml->nodeType == \XMLReader::END_ELEMENT))) {
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continue;
}
elseif ($xml->name === 'text') {
$xml->read();
$sections[] = new PDFTextSection($xml->value);
$xml->read();
if (!$xml->name === 'text') {
logNewMessage(LOG_ERR, 'Unexpected tag name: ' . $xml->name);
throw new \LAMException(_('Unable to read PDF structure.'));
}
}
elseif ($xml->name === 'section') {
$sections[] = $this->readSection($xml);
}
else {
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logNewMessage(LOG_ERR, 'Unexpected tag name: ' . $xml->name . ' in ' . $file);
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throw new \LAMException(_('Unable to read PDF structure.'));
}
}
$xml->close();
$structure->setSections($sections);
return $structure;
}
/**
* Reads a single section from XML.
*
* @param \XMLReader $xml reader
*/
private function readSection(&$xml) {
$section = new PDFEntrySection($xml->getAttribute('name'));
$entries = array();
while ($xml->read()) {
if (($xml->name === 'section') && ($xml->nodeType == \XMLReader::END_ELEMENT)) {
break;
}
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elseif (($xml->nodeType === \XMLReader::END_ELEMENT)
|| ($xml->nodeType === \XMLReader::SIGNIFICANT_WHITESPACE)) {
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continue;
}
elseif ($xml->name === 'entry') {
$entries[] = new PDFSectionEntry($xml->getAttribute('name'));
}
elseif (!$xml->name === 'entry') {
logNewMessage(LOG_ERR, 'Unexpected tag name: ' . $xml->name);
throw new \LAMException(_('Unable to read PDF structure.'));
}
}
$section->setEntries($entries);
return $section;
}
}
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/**
* Writes PDF structures to files.
*
* @author Roland Gruber
*/
class PDFStructureWriter {
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private $serverProfileName;
/**
* Constructor.
*
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* @param string $serverProfileName server profile name
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*/
public function __construct($serverProfileName) {
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if ($serverProfileName === GLOBAL_PROFILE) {
$this->serverProfileName = '../templates/pdf';
}
else {
$this->serverProfileName = $serverProfileName;
}
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}
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/**
* Writes the PDF structure to disk.
*
* @param string $typeId type ID
* @param string $name structure name
* @param PDFStructure $structure structure
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* @throws LAMException error during write
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*/
public function write($typeId, $name, $structure) {
$fileName = $this->getFileName($typeId, $name);
$xml = $this->getXML($structure);
$this->writeXML($xml, $fileName);
}
/**
* Writes the PDF structure to disk.
*
* @param string $typeId type ID
* @param string $name structure name
* @return string file name
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* @throws LAMException file not valid or not writable
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*/
protected function getFileName($typeId, $name) {
if (!isValidPDFStructureName($name) || !preg_match('/[a-zA-Z]+/', $typeId)) {
throw new \LAMException(_('PDF structure name not valid'),
_('The name for that PDF-structure you submitted is not valid. A valid name must consist of the following characters: \'a-z\',\'A-Z\',\'0-9\',\'_\',\'-\'.'));
}
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$baseDir = __DIR__ . '/../config/pdf/' . $this->serverProfileName;
if(!is_writable($baseDir)) {
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throw new \LAMException(sprintf(_('Could not save PDF structure, access denied to %s.'), $baseDir));
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}
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return $baseDir . '/' . $name . '.' . $typeId . '.xml';
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}
/**
* Returns the generated XML.
*
* @param PDFStructure $structure structure
* @return string XML
*/
public function getXML($structure) {
$writer = new \XMLWriter();
$writer->openMemory();
$writer->setIndent(true);
$writer->setIndentString("\t");
$writer->startElement('pdf');
$writer->writeAttribute('filename', $structure->getLogo());
$writer->writeAttribute('headline', $structure->getTitle());
$writer->writeAttribute('foldingmarks', $structure->getFoldingMarks());
foreach ($structure->getSections() as $section) {
if ($section instanceof PDFTextSection) {
$writer->startElement('text');
$writer->text($section->getText());
$writer->endElement();
}
else {
$writer->startElement('section');
if ($section->isAttributeTitle()) {
$writer->writeAttribute('name', '_' . $section->getPdfKey());
}
else {
$writer->writeAttribute('name', $section->getTitle());
}
foreach ($section->getEntries() as $entry) {
$writer->startElement('entry');
$writer->writeAttribute('name', $entry->getKey());
$writer->endElement();
}
$writer->endElement();
}
}
$writer->endElement();
return $writer->outputMemory();
}
/**
* Writes the XML to the given file.
*
* @param string $xml XML
* @param string $file file name
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* @throws LAMException error during write
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*/
protected function writeXML($xml, $file) {
$handle = @fopen($file,'w');
if (!$handle) {
throw new \LAMException(_('Could not save PDF structure, access denied.'));
}
fwrite($handle, $xml);
fclose($handle);
}
}
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/**
* PDF structure
*
* @author Roland Gruber
*/
class PDFStructure {
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/** no folding marks */
const FOLDING_NONE = 'no';
/** standard folding marks */
const FOLDING_STANDARD = 'standard';
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private $logo = null;
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private $title = 'LDAP Account Manager';
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private $foldingMarks = 'no';
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private $sections = array();
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/**
* Returns an array representation of the structure.
*
* @return array export data
*/
public function export() {
$data = array();
$data['title'] = $this->title;
$data['foldingMarks'] = $this->foldingMarks;
$data['logo'] = $this->logo;
$data['sections'] = array();
foreach($this->sections as $section) {
$type = ($section instanceof PDFTextSection) ? 'text' : 'entry';
$sectionData = $section->export();
$data['sections'][] = array(
'type' => $type,
'data' => $sectionData
);
}
return $data;
}
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/**
* Imports an array representation of the structure.
*
* @param array $data import data
*/
public function import($data) {
if (isset($data['title'])) {
$this->title = $data['title'];
}
if (isset($data['foldingMarks'])) {
$this->foldingMarks = $data['foldingMarks'];
}
if (isset($data['logo'])) {
$this->logo = $data['logo'];
}
if (isset($data['sections'])) {
foreach($data['sections'] as $section) {
if ($section['type'] === 'text') {
$this->sections[] = new PDFTextSection($section['data']);
}
else {
$entrySection = new PDFEntrySection(null);
$entrySection->import($section['data']);
$this->sections[] = $entrySection;
}
}
}
}
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/**
* Returns the logo file path.
*
* @return string logo
*/
public function getLogo() {
return $this->logo;
}
/**
* Sets the logo file path.
*
* @param string $logo logo
*/
public function setLogo($logo) {
$this->logo = $logo;
}
/**
* Returns the title.
*
* @return string title
*/
public function getTitle() {
return $this->title;
}
/**
* Sets the title.
*
* @param string $title title
*/
public function setTitle($title) {
$this->title = $title;
}
/**
* Returns if to print folding marks.
*
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* @return string print folding marks
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*/
public function getFoldingMarks() {
return $this->foldingMarks;
}
/**
* Sets if to print folding marks.
*
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* @param string $foldingMarks print folding marks
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*/
public function setFoldingMarks($foldingMarks) {
$this->foldingMarks = $foldingMarks;
}
/**
* Returns the sections.
*
* @return PDFTextSection[]|PDFEntrySection[] $sections
*/
public function getSections() {
return $this->sections;
}
/**
* Sets the sections.
*
* @param PDFTextSection[]|PDFEntrySection[] $sections sections
*/
public function setSections($sections) {
$this->sections = $sections;
}
}
/**
* Section for static text.
*
* @author Roland Gruber
*/
class PDFTextSection {
private $text = '';
/**
* Constructor.
*
* @param string $text text
*/
public function __construct($text) {
$this->text = $text;
}
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/**
* Exports the section.
*
* @return string text
*/
public function export() {
return $this->getText();
}
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/**
* Returns the text.
*
* @return string text
*/
public function getText() {
return $this->text;
}
}
/**
* PDF section that contains LDAP data entries.
*
* @author Roland Gruber
*/
class PDFEntrySection {
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private $title;
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private $entries = array();
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/**
* Constructor
*
* @param string $title title
*/
public function __construct($title) {
$this->title = $title;
}
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/**
* Exports the section.
*
* @return array export data
*/
public function export() {
$data = array();
$data['title'] = $this->title;
$data['entries'] = array();
foreach($this->getEntries() as $entry) {
$data['entries'][] = $entry->getKey();
}
return $data;
}
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/**
* Imports the section.
*
* @param array $data import data
*/
public function import($data) {
if (isset($data['title'])) {
$this->title = $data['title'];
}
if ($data['entries']) {
foreach($data['entries'] as $entry) {
$this->entries[] = new PDFSectionEntry($entry);
}
}
}
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/**
* Returns if the title is an attribute value.
*
* @return boolean is attribute
*/
public function isAttributeTitle() {
return (bool) preg_match('/^_([a-zA-Z0-9_-])+$/', $this->title);
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}
/**
* Returns the PDF key name.
*
* @return string PDF key name
*/
public function getPdfKey() {
return substr($this->title, 1);
}
/**
* Returns the text title.
*
* @return string title
*/
public function getTitle() {
return $this->title;
}
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/**
* Sets the title text.
*
* @param string $title title
*/
public function setTitle($title) {
$this->title = $title;
}
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/**
* Returns the entries.
*
* @return PDFSectionEntry[] entries
*/
public function getEntries() {
return $this->entries;
}
/**
* Sets the entries.
*
* @param PDFSectionEntry[] $entries entries
*/
public function setEntries($entries) {
$this->entries = $entries;
}
}
/**
* Single PDF entry.
*
* @author Roland Gruber
*/
class PDFSectionEntry {
private $key;
/**
* Constructor
*
* @param string $key key
*/
public function __construct($key) {
$this->key = $key;
}
/**
* Returns the PDF key.
*
* @return string $key key
*/
public function getKey() {
return $this->key;
}
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}
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/**
* Returns a list of possible fonts.
*
* @return array list of fonts (description => font name)
*/
function getPdfFonts() {
return array(
'DejaVu' => 'DejaVuSerif',
_('Chinese Traditional') => 'cid0ct',
_('Chinese Simplified') => 'cid0cs',
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_('Japanese') => 'cid0jp',
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_('Korean') => 'cid0kr',
);
}
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?>