used in Jasper Reports to pull in an image from a CSpace instance (v4.x and earlier)

fetchimage.php

<?php
    # assumes this image will be a jpg...
    header("Content-Type: image/jpg");

    # typically use the reader user cspace account
    $serverPrefix = "http://login:password@somehost.foo:8180/cspace-services/blobs/";

    // sets the default image size to be retrieved
    $defaultFileSize = "thumbnail";

    # default generic image filename. this is retrieved when there a real image can't be found
    # could be created with imagemagick ahead of time with this command:
    #   convert -size 750x700 xc:grey -stroke black -draw "line 0,0 750,700" -draw "line 750,0 0,700" ok.jpg
    $defaultFileName = './ok.jpg';

    // parse the URL 'format' param into a string we recognize
    function getImageFormatSizeName($formatSize){
        $myImageSize = $GLOBALS['defaultFileSize'];

        # look for variations of known strings
        switch($formatSize){
            case "medium":
            case "Medium":
                $myImageSize = "Medium";
                break;
            case "large":
            case "original":
            case "originaljpeg":
            case "OriginalJpeg":
                $myImageSize = "OriginalJpeg";
                break;
            case "thumbnail":
            case "Thumbnail":
            default:
                $myImageSize = "Thumbnail";
                break;
        }

        return $myImageSize;
    }

    // fetches the image based on the blob CSID and the format string
    function getImage($csid, $formatSizeName){
        $myURL = $GLOBALS['serverPrefix'] . $csid . "/derivatives/" . $formatSizeName . "/content";
        $fp = fopen($myURL, 'rb');

        if($fp === false) {
            $fp = fopen($GLOBALS['defaultFileName'], 'rb');
        }
        return $fp; 
    }

    // checks the validity of the URL params and either fetches the image, 
    // or fetches the default generic image
    if (isset($_GET['csid'])) {
        $csid = preg_replace('/[^0-9a-fA-F-]/', '', $_GET['csid']);

        $formatSize = $GLOBALS['defaultFileSize'];

        if (isset($_GET['format'])){
            $formatSize = $_GET['format'];
        }

        $formatSizeName = getImageFormatSizeName($formatSize);

        $fp = getImage($csid, $formatSizeName);
    } else {
        $fp = fopen($GLOBALS['defaultFileName'], 'rb');
    }

    # can't get to work
    #header("Content-Length: " . filesize($fp));

    // push out the image
    fpassthru($fp);