function send_file($gallery, $dirkey, $filekey, $mode)
{
// Send a file using it's own mime type, useful for sending image files
// without using the resampling code, or sending movie or other files.
// Set the mode to "Attach" to tell the browser to download rather than open the file
include "set_paths.php";
include "{$imagedata}/{$gallery}";
include_once 'generate_filelist.php';
$filelist = generate_filelist($gallery, $dirkey);
$file = $filelist[$filekey];
$mimetype = mime_content_type($file);
header('Content-Type: ' . $mimetype);
if ($mode == 'attach') {
header('Content-disposition: attachment; filename="' . basename($file) . '"');
}
readfile($dirs[$dirkey] . "/{$file}");
}
function write_caption($gallery, $dirkey, $filekey, $caption)
{
include "set_paths.php";
include "{$imagedata}/{$gallery}";
$filelist = generate_filelist($gallery, $dirkey);
$imagefile = $dirs[$dirkey] . "/" . $filelist[$filekey];
// Security check that this user is permitted to write to this file's caption
// uid should be held in session
#authorise_user("write_caption", $imagefile);
$captionfile = $imagefile . ".caption";
# if (is_writeable($captionfile)){
# // Caption file already exists and is writeable.
#
# }
# elseif ( ! file_exists($captionfile) && is_writeable(dirname($captionfile)) ){
# // Caption file does not exist but can be created in dir with image file
#
# }
# elseif ( file_exists($captionfile) && ! is_writeable($captionfile) ){
# // Caption file exists but cannot be written to - do not allow overwrite
# print "<span class='error' >Caption file exists but cannot be written to $captionfile</span>";
# return false;
# }
# elseif ( ! is_writeable(dirname($captionfile)) ){
# // Caption file cannot be written in image dir so
// Write to $imagedata dir
$captionfile = "{$imagedata}/captions/{$captionfile}";
if (!file_exists(dirname($captionfile))) {
mkdir(dirname($captionfile), 0754, 'true');
}
if (file_exists($captionfile) && !is_writeable($captionfile)) {
print "<span class='error' >Caption file cannot be created {$captionfile}</span>";
return false;
}
# }
if (!($fp = fopen($captionfile, 'w'))) {
print "<span class='error'>Error opening {$captionfile}</span><br>\n";
return;
}
if (!fwrite($fp, $caption)) {
print "<span class='error'>Error writing to {$captionfile}</span><br>\n";
return;
}
fclose($fp);
}
function generate_gallery($gallery, $dirkey)
{
include "set_paths.php";
include "{$imagedata}/{$gallery}";
$basedir = $dirs[$dirkey];
#print "DEBUG: $gallery, $dirkey, $basedir <br/>";
//Get list of files for this gallery
$filelist = generate_filelist($gallery, $dirkey);
// and export it
$_SESSION['filelist'] = $filelist;
// Process filename list
foreach (array_keys($filelist) as $filekey) {
$file = $filelist[$filekey];
if (preg_match("/\\.(jpg|jpeg|png)\$/i", $file)) {
JPEG_Thumbnail($filelist, $gallery, $dirkey, $filekey, $basedir);
} elseif (preg_match("/\\.(mov|mpeg|mpg|avi|mp4)\$/i", $file)) {
Movie_thumbnail($filelist, $gallery, $dirkey, $filekey, $basedir);
}
}
}
$basedir = $_SESSION['basedir'];
$src_imgfile = $filelist[$filekey];
$src_imgfile = "{$basedir}/{$src_imgfile}";
// Override session vars if Gets are provided
if (isset($_GET['filekey'])) {
$gallery = $_GET['gallery'];
if (isset($_GET['dirkey'])) {
$dirkey = $_GET['dirkey'];
}
$filekey = $_GET['filekey'];
include dirname(__FILE__) . "/imagedata/{$gallery}";
if ($filekey == "default") {
$src_imgfile = $default_image;
} else {
include_once "generate_filelist.php";
$filelist = generate_filelist($gallery, $dirkey);
$basedir = $dirs[$dirkey];
$src_imgfile = $filelist[$filekey];
$src_imgfile = "{$basedir}/{$src_imgfile}";
}
}
// End if
if (isset($_GET['size'])) {
$size = $_GET['size'];
}
if (isset($_GET['xsize'])) {
$xsize = $_GET['xsize'];
unset($size);
}
if (isset($_GET['ysize'])) {
$ysize = $_GET['ysize'];
function display_image_section($gallery, $dirkey, $filekey, $size, $xsize, $ysize)
{
include "set_paths.php";
include "{$imagedata}/{$gallery}";
if (!isset($_GLOBAL['filelist'])) {
include_once "generate_filelist.php";
$filelist = generate_filelist($gallery, $dirkey);
} else {
$filelist = $_GLOBAL['filelist'];
}
$numfiles = count($filelist);
#$imagecache=dirname(__FILE__)."/imagecache";
$basedir = $dirs[$dirkey];
if (preg_match("/\\.(mov|mpg|mpeg|avi|mp4)\$/i", $filelist[$filekey])) {
$type = "movie";
}
// Create next image href
#$nexttag = "<span class='nav_inactive' >Next>></span>";
if ($filekey + 1 >= $numfiles) {
$nextfile = $filelist[0];
$nextfile = "{$basedir}/{$nextfile}";
$nexttag = "<a class='prevnext_active' href='gallery.php?filekey=0&size=700&action=display_image'>|<<Back to start</a>";
} else {
$nextkey = $filekey + 1;
$nextfile = $filelist[$nextkey];
$nextfile = "{$basedir}/{$nextfile}";
$nexttag = "<a class='prevnext_active' href='gallery.php?filekey={$nextkey}&size=700&action=display_image'>Next>></a>";
}
// Create href to previous image
if ($filekey == 0) {
# We are at first image so don't show next link - just inactive.
$prevtag = "<span class='prevnext_inactive' ><<Previous</span>";
} else {
$prevkey = $filekey - 1;
$prevfile = $filelist[$prevkey];
$prevfile = "{$basedir}/{$prevfile}";
$prevtag = "<a class='prevnext_active' href='gallery.php?&filekey={$prevkey}&size=700&action=display_image'><<Previous</a>";
}
// Use random number so that browser cache does not mistake this for the same picture each time
$random = rand(1000, 9999);
#$imagefile=$_SESSION['imagefile'];
$imagefile = "{$basedir}/" . $filelist[$filekey];
$_GLOBAL['caption'] = get_caption($imagefile);
$caption = $_GLOBAL['caption'];
// Menu line
if ($type != "movie") {
?>
<div class="imagenavigate" > <?php
include "resize_menu.php";
print "\n<span id='resize_menu'>\n";
display_resize_menu($filekey);
print "</span>\n";
} else {
//Display fake resize menu as placeholder
print "\n<ul class='nav' ><li> </li></ul>\n";
}
print <<<EOH
<span class="prevnext" >
{$prevtag} {$nexttag}
</span>
EOH;
if ($_SESSION['edit']) {
print <<<EOH
<span id="edit_caption_link" >
<a href="?gallery={$gallery}&action=edit_caption&filekey={$filekey}&dirkey={$dirkey}&size={$size}" >
Edit Caption
</a>
</span>
</div><br/>
EOH;
}
#if ( $_SESSION['action'] != 'edit_caption' && authorise_user('edit_caption') ){
if ($_SESSION['action'] != 'edit_caption') {
// display caption
print <<<EOH
\t<br/>
<span id="caption" >{$caption}</span>
EOH;
print "\n<br/>\n";
} elseif ($_SESSION['action'] == 'edit_caption') {
// display caption in an editable text box
$filepath = $dirs[$dirkey] . "/" . $filelist[$filekey];
caption_edit_form($filepath, $gallery, $dirkey, $filekey);
print "<br/>\n";
} else {
// no edit functions requested, just write the caption
print <<<EOH
<span id="caption" >{$caption}</span><br/>
EOH;
}
// Display image
if (preg_match_all("/\\.(mov|mpg|mpeg|avi|mp4)\$/i", $filelist[$filekey], $matches)) {
$mimetype = mime_content_type($dirs[$dirkey] . "/" . $filelist[$filekey]);
$parts = $matches[0];
$type = $parts[0];
#$filename="$basedir/${filelist[$filekey]}";
#<embed type="video/x-msvideo" src='send_file.php?mode=stream&gallery=$gallery&dirkey=$dirkey&filekey=$filekey' width=640 height=480 >
#<object type="video/avi" data='send_file.php?mode=stream&gallery=$gallery&dirkey=$dirkey&filekey=$filekey' width=640 height=480 >
echo <<<HTMLEND
<span class="center" >This file "{$filelist[$filekey]}" is a "{$mimetype}" movie file.<br/>
<a href='send_file.php?mode=stream&gallery={$gallery}&dirkey={$dirkey}&filekey={$filekey}' type='{$mimetype}' >Click here to play it</a>
<br/>
<a href='send_file.php?mode=attach&gallery={$gallery}&dirkey={$dirkey}&filekey={$filekey}'>
<b>Click here to download it.</b></a></span><br>
HTMLEND;
} else {
#if ( $_SESSION['size'] == "full" ) {
if ($size == "full") {
$filekey = $_SESSION['filekey'];
$filelist = $_SESSION['filelist'];
$basedir = $_SESSION['basedir'];
$filename = $filelist[$filekey];
$src_imgfile = "{$basedir}/{$filename}";
if (!isset($caption) || $caption == "") {
$caption = $filename;
}
echo <<<HTMLEND
\t<img src="send_file.php?mode=stream&gallery={$gallery}&dirkey={$dirkey}&filekey={$filekey}" title="{$caption}" >
HTMLEND;
} else {
if (!isset($caption) || $caption == "") {
$caption = basename($imagefile);
}
if ($size > 10) {
$urlsize = "size={$size}";
} else {
$urlsize = "xsize={$xsize}&ysize={$ysize}";
}
$filekey = $_SESSION['filekey'];
$dirkey = $_SESSION['dirkey'];
echo <<<HTMLEND
\t<img src="image_resample.php?gallery={$gallery}&dirkey={$dirkey}&filekey={$filekey}&{$urlsize}&xxx={$random}" title="{$caption}">
HTMLEND;
}
print "\n\n<br/>\n\n";
show_exif_button();
display_exif("{$basedir}/" . $filelist[$filekey]);
}
}
