Bookends unAPI gateway

unapi.php

<?php
/**
 * unAPI gateway for Bookends server
 * =================================
 *
 * requires an output format which adds the following code to all of the format's
 * types:
 *   `<abbr class='unapi-id' title='`@`'> </abbr>
 *
 * @author Christian Boulanger (c.boulanger@qxtransformer.org)
 */
 
// configuration, adapt to your setup
$host	= "localhost";
$port = 2001;
$db   = "cboulanger.bdb";
$formats = array("ris");
$attachmentpath = "file:///Users/Shared/Bibliothek/Volltext";

// params
$id = $_GET['id']; 
$format = $_GET['format'];

// if we have format and id, get it from bookends server
if( $id && $format )  
{
    // params for bookends server request
    $params = array(
        'DB'         => $db,
        'Format'     => $format,
        'SQLQuery'   => "uniqueid=$id",
        'HTMLOutput' => 2
    );
    
    // get server response
    $url = "http://$host:$port/\$BEGet?" . http_build_query($params, '', '&');
    $content = file_get_contents($url);
    
    // strip tags in case COinS is turned on
    $content = strip_tags( $content );
    
    // add attachment folder path to attachment name
    if( $format == "ris" )
    {
        $content = str_replace("L1  - ","L1  - $attachmentpath/", $content);
    }
    
    // send data
    header("content-type: text/plain; charset=utf-8");
    echo $content;
}

// otherwise, send formats
else
{
    header("content-type: application/xml; charset=utf-8");
    echo '<?xml version="1.0" encoding="UTF-8"?><formats>';
    foreach( $formats as $f) echo "<format name=\"$f\" type=\"text/plain\" />";
    echo '</formats>';
}
?>