// 2.8 -- Added image resizing
// 2.9 -- Added compact thumbnail display
// 2.9a -- Fixed folder icon url
// 2.9b -- Fix "undefined index 'edit'" warning
// 3.0 -- Cleaned up code based on running with ALL debug msgs on
// 3.0a -- Fixed a few more minor bugs
// 3.1 -- Changed compact mode to use clipped, square thumbnails; added
// optional 'immediate' display of movies which is now the default
// 3.2 -- Add some foundational code to support online editing of settings;
// Add ablilty to display text files and to exclude some subdirs
// 3.2a -- Added test to make sure saved convert-path is valid
// 3.2b -- Removed write_defaults call from convert_path() and ensured when
// write_defaults IS called it saves a valid convert path. 3.2a was
// causeing empty dflt.txt file to be written.
// 3.2c -- Fixed loop count in get_icons which was preventing the text icon
// from being retreived.
// 3.3 -- Allow exclusion list in .imgdir to include files, not just subdirs;
// Added nicer default title;
// 3.3a -- Fixed thumbnail aspect ratio problems
// 3.3b -- Added ability to customize folder and text file icon as well as
// spacing
// 3.3c -- fixed caption problem for converted files and those with JPG in
// name instead of JPG.
// 3.4 -- Set defaults to more reasonable values for 'compact' presentation
// 3.4a -- Added ablility to set seperator between folder-based titles
// 3.4b -- Set title of website to displayed title.
// 3.5 -- Cleaned up to be xhtml compliant; utilized more css; removed
// 'center' tags; reduced reliance on tables for formating;
// 3.5a -- Added ability to add customized header. Needed to support SQREAM
// 3.5b -- Minor bug fix
// 3.5c -- More code restructuring for better performanc; generalized how
// image meta data is stored; added support for star ratings;
// deprecated the .captions folder.
// 3.5d -- Added rudimentary support for adding captions and star ratings
// interactively; Added ability to display captions while hovering;
// Cleaned up html valididty problems;
// 3.5e -- More cleanup and minor bug fixes;
// 3.5f -- Final cleanup before adding new features.
// 3.5g -- Added no-refresh server updates when annotating pics;
// Added preliminary support for CPicFolders to speedup loading
// 3.6 -- Full implementation of CPicFolders and fixed bug related to
// image caching on server -- significant speedup!
// 3.6a -- Add ability to pre-process images
// 3.6b -- Bug Fixes associated with building of filelists
// 3.6c -- Added immediate flushing for "no output" operations; added some
// debugging support; added ability to regenerate file-lists when
// pre-processing images.
// 3.7 -- Finished major work on page preprocessing; added option to remove
// the preprocessing and rebuildthumb links; made preprocessing work
// recursively and only if thumbnails/converted images don't
// already exist.
// 4.0 -- Prevented creation of thumbnails for non-image files; made it ok
// if converted images are within one pixel of target; fixed bug when
// path to images had a '.' in it.
// 4.1 -- Add code to look at file modification time when creating thumbs
// or converting images.`
// 4.2 -- Add ability to sort by star rating and to make 5-star images
// bigger
// 4.3a -- Fixed some minor bugs in code.
// 4.3b -- Check for existance of imgdir.css;
// 5.0 -- Add support for RSS feeds; in particular piclens/CoolIris support
// 5.1 -- Add support for printing out version from command line
// 5.1a -- Fixed minor warning message exposed by newer version of php
// 5.1b -- Ensured all images used have copies on berzerker in "images"
// 5.2 -- Changed some default options, specifically disabling RSS and
// off the display of the pre-process links.
$gVersion = "v5.2";
$gWorkspace = ".imgdir";
$gDefaultsFile = "$gWorkspace/dflt.txt";
// Parse command line arguments into _REQUEST array
parse_args($argv, $argc);
// If only requesting version, print it and exit
if (isset($_REQUEST['version']))
{
print("$gVersion\n");
exit;
}
// If .imgdir doesn't exist or isn't writable, display setup instructions
if (!is_writable($gWorkspace)) {
display_setup_instructions_and_exit();
}
// Ensure .imgdir workspace is setup properly
setup_workspace();
// Read user settings from file, or set them to hard coded defaults
process_defaults_file();
// Set current state information
set_global_state_variables();
set_sort_state();
// Convert and display specific image if requested
if (isset($_REQUEST['show'])) {
show_and_exit($_REQUEST['show']);
}
// Remove thumbnails if they are being rebuilt
if (isset($_REQUEST['remove_thumbs'])) {
if (!$gOpt['debug']) {
header("HTTP/1.0 204 No Content");
flush();
}
remove_thumbs_and_exit();
}
// Remove rss files if they are being rebuilt
if (isset($_REQUEST['remove_rss'])) {
if (!$gOpt['debug']) {
header("HTTP/1.0 204 No Content");
flush();
}
remove_rss_and_exit();
}
// Edit user settings if requested
if (isset($_REQUEST['edit'])) {
edit_settings_and_exit();
}
// Apply modified user settings if requested
if (isset($_POST['set'])) {
if (!$gOpt['debug']) {
header("HTTP/1.0 204 No Content");
flush();
}
assign_settings();
$dflt_file = $gDefaultsFile . ".new";
write_defaults($dflt_file, $gOpt);
}
if (isset($_REQUEST['debug']))
$gOpt['debug'] = true;
// Ready to boogie... Get the index of pictures
$pic_folder = new CPicFolder($gState['parent'], $gOpt['sortby'],
$gOpt['order'], $gOpt['minstars']);
save_old_captions($gState['parent'], $pic_folder);
// Write out rss file(s) if needed
if ($gOpt['enable_rss'])
write_rss($pic_folder);
if (isset($_REQUEST['rate']))
$rating = $_REQUEST['rate'];
if (isset($_REQUEST['new_caption']))
$new_caption = $_REQUEST['new_caption'];
if (isset($_REQUEST['idx']))
$idx = $_REQUEST['idx'];
if (isset($idx) && ((isset($rating)) || isset($new_caption)))
{
if (!$gOpt['debug']) {
header("HTTP/1.0 204 No Content");
flush();
}
$pic = $pic_folder->GetInfo($idx);
$pic->UpdateMetaData($rating, $new_caption);
exit;
}
if (isset($_REQUEST['preprocess']))
{
if (!$gOpt['debug']) {
header("HTTP/1.0 204 No Content");
flush();
}
$recurse = true;
$force = false;
$allflists = false;
CPicFolder::PreProcessThumbnails($gState['parent'], $recurse, $force);
CPicFolder::PreProcess($gState['parent'], $allflists, $recurse);
exit;
}
// **** START OF MAIN HTML **** //
// Print style sheet, title, and user-provided header
$gStart = microtime(true); // For timing analysis -gdg
print_html_head($pic_folder);
// Save state in hidden post variables
// gdg print_hidden_post_variables($_REQUEST['idx']);
// Print state for debugging purposes
if (isset($_REQUEST['debug']))
$gOpt['debug'] = true;
if ($gOpt['debug'])
print_state();
// Print main title and ImgDir splash message
print_title();
// Print customizable link
print_link();
$idx = $gState['idx'];
if ($gState['idx'] == -1)
{
print_subdirs($pic_folder->GetCount());
if ($gState['annotate'])
annotate_thumbnails($pic_folder);
else
print_thumbnails($pic_folder);
}
else
{
print_single_image($pic_folder, $idx);
}
print_html_foot();
// **** END OF MAIN HTML **** //
function add_annotation_state(&$string)
{
global $gState;
if ($gState['annotate'])
$string .= "&annotate=1";
}
function add_showdir_collapse_flag(&$string)
{
if (isset($_REQUEST['show_dir']))
$string .= "&show_dir";
if (isset($_REQUEST['collapse']))
{
$collapse = $_REQUEST['collapse'];
$string .= "&collapse=$collapse";
}
}
function add_debug_flag(&$string)
{
global $gOpt;
if ($gOpt['debug'])
$string .= "&debug";
}
function add_sort_flags(&$string)
{
if (isset($_REQUEST['O']))
{
$order = $_REQUEST['O'];
$string .= "&O=$order";
}
if (isset($_REQUEST['C']))
{
$order = $_REQUEST['C'];
$string .= "&C=$order";
}
}
function get_title()
{
global $gVersion;
global $gOpt;
$title = $gOpt['title'];
if (!isset($title) || ($title == ""))
{
$seperator = get_seperator();
if (ereg("index.php", $_SERVER['REQUEST_URI']))
{
$title = ereg_replace("index.php.*$", "", $_SERVER['REQUEST_URI']);
$title = str_replace("/", $seperator, trim($title, "/"));
}
else if (ereg("imgdir.php", $_SERVER['REQUEST_URI']))
{
$title = ereg_replace("imgdir.php.*$", "", $_SERVER['REQUEST_URI']);
$title = str_replace("/", $seperator, trim($title, "/"));
}
else
{
$title = $_SERVER['REQUEST_URI'];
$title = str_replace("/", $seperator, trim($title, "/"));
}
}
if (!isset($title) || ($title == ""))
{
$title = "ImgDir $gVersion";
}
return $title;
}
function get_page_number($idx)
{
global $gOpt;
return (1 + floor($idx/ $gOpt['per_page']));
}
function print_html_head($pic_folder)
{
global $gOpt;
print("\n");
print("\n");
print("\n");
print_style_sheet();
$title = get_title();
print("$title\n");
if ($gOpt['enable_rss'])
{
// Get rss filename
$rss_file = $pic_folder->GetRSSFile();
print("\n");
print("\n");
}
print("\n");
print("\n");
// Add user-provided header
if (isset($gOpt['include_header'])) {
$include_header = $gOpt['include_header'];
include("$include_header");
}
// Begin form
$php_self = $_SERVER['PHP_SELF'];
print "\n");
print("\n");
print("\n");
}
function print_title()
{
global $gVersion;
global $gOpt;
global $gWorkspace;
$title = get_title();
print "
\n";
}
function add_subdir_entry ($parent_dir, $subdir, $icon)
{
global $gWorkspace;
if (!is_dir($subdir) && !is_link($subdir)) {
return;
}
// Create subdirectory for thumbnails for files within this subdir
$thumb_link = "$gWorkspace/.thumbs/$subdir";
if (!is_dir($thumb_link)) {
mkdir($thumb_link) or die("Unable to create $thumb_link \n");
}
// Create subdirectory for converted image files
$converted_link = "$gWorkspace/.converted/$subdir";
if (!is_dir($converted_link)) {
mkdir($converted_link) or die("Unable to create $converted_link \n");
}
// Create subdirectory for captions
//$captions_link = "$gWorkspace/.captions/$subdir";
//if (!is_dir($captions_link)) {
//mkdir($captions_link) or die("Unable to create $captions_link \n");
//}
// Create subdirectory for file info
$info_link = "$gWorkspace/.info/$subdir";
if (!is_dir($info_link)) {
mkdir($info_link) or die("Unable to create $info_link \n");
}
// Remove trailing slash from name
$fname = substr(strrchr($subdir, "/"), 1);
if (!$fname) {
$fname = $subdir;
}
$target = $_SERVER['PHP_SELF'];
$target .= "?parent_dir=$subdir";
add_showdir_collapse_flag($target);
add_sort_flags($target);
if (isset($icon)) {
print "
\n";
} else {
print "
\n";
}
}
function make_subdir_folders ($subdir)
{
global $gWorkspace;
global $gOpt;
if (!is_dir($subdir) && !is_link($subdir)) {
return;
}
// Create subdirectory for thumbnails for files within this subdir
$thumb_link = "$gWorkspace/.thumbs/$subdir";
if (!is_dir($thumb_link)) {
if ($gOpt['debug'])
print("Creating folder $thumb_link \n");
mkdir($thumb_link) or die("Unable to create $thumb_link \n");
}
// Create subdirectory for converted image files
$converted_link = "$gWorkspace/.converted/$subdir";
if (!is_dir($converted_link)) {
if ($gOpt['debug'])
print("Creating folder $converted_link \n");
mkdir($converted_link) or die("Unable to create $converted_link \n");
}
// Create subdirectory for file info
$info_link = "$gWorkspace/.info/$subdir";
if (!is_dir($info_link)) {
if ($gOpt['debug'])
print("Creating folder $info_link \n");
mkdir($info_link) or die("Unable to create $info_link \n");
}
}
function get_folder_icon()
{
global $gOpt;
global $gWorkspace;
if (isset($gOpt['folder_icon']) && ($gOpt['folder_icon'] != ""))
return $gOpt['folder_icon'];
else
return ("$gWorkspace/folder.gif");
}
function get_textfile_icon()
{
global $gOpt;
global $gWorkspace;
if (isset($gOpt['textfile_icon']) && ($gOpt['textfile_icon'] != ""))
return $gOpt['textfile__icon'];
else
return ("$gWorkspace/text.gif");
}
function get_movie_icon()
{
global $gOpt;
global $gWorkspace;
if (isset($gOpt['movie_icon']) && ($gOpt['movie_icon'] != ""))
return $gOpt['movie_icon'];
else
return ("$gWorkspace/movie.gif");
}
function get_seperator()
{
global $gOpt;
global $gWorkspace;
if (isset($gOpt['seperator']) && ($gOpt['seperator'] != ""))
return " " . $gOpt['seperator'] . " ";
else
return (" : ");
}
function get_fname($pathname)
{
// Remove everything before and including last slash
$fname = substr(strrchr($pathname, "/"), 1);
if (!$fname)
return $pathname;
else
return $fname;
}
function preload_thumbnails($images)
{
global $gWorkspace;
$count = count($images);
if ($count <= 0)
return;
print ("\n");
}
function preload($images)
{
$count = count($images);
if ($count <= 0)
return;
print ("\n");
}
function display_sort_links($form_handler, $parent_dir, $sfield, $sorder)
{
global $gWorkspace;
// initialize new sort order to 'ascending'
// For current sort field, toggle it's sort order
$MNextOrder = "A";
$NNextOrder = "A";
$SNextOrder = "A";
if ($sfield == "fname") {
$NNextOrder = ($sorder == "descending") ? "A" : "D";
} else if ($sfield == "mdate") {
$MNextOrder = ($sorder == "descending") ? "A" : "D";
} else if ($sfield == "fsize") {
$SNextOrder = ($sorder == "descending") ? "A" : "D";
}
// Build first part of HTML string for specifying new sort type/order
$sort_prefix = "
\n");
}
function parse_args($argv, $argc)
{
if ($argc > 0)
{
for ($ii = 1; $ii < $argc; $ii++)
{
parse_str($argv[$ii], $tmp);
$_REQUEST = array_merge($_REQUEST, $tmp);
}
}
}
function setup_workspace()
{
global $gWorkspace;
// Set umask to 0 so any files created can be readily deleted by user
umask(0);
// Create .thumbs subdirectory
if (!is_dir("$gWorkspace/.thumbs")) {
mkdir("$gWorkspace/.thumbs") or
die("Unable to create $gWorkspace/.thumbs \n");
}
// Create .converted subdirectory
if (!is_dir("$gWorkspace/.converted")) {
mkdir("$gWorkspace/.converted") or
die("Unable to create $gWorkspace/.converted \n");
}
// Create .info subdirectory
if (!is_dir("$gWorkspace/.info")) {
mkdir("$gWorkspace/.info") or
die("Unable to create $gWorkspace/.info \n");
}
// Create .rss subdirectory
if (!is_dir("$gWorkspace/.rss")) {
mkdir ("$gWorkspace/.rss") or
die("Unable to create $gWorkspace/.rss \n");
}
// Get icons from www.berzerker.net if not present already
get_icons($gWorkspace);
}
function set_sort_state()
{
global $gOpt;
// Determine current sort order
if (isset($_GET['O']))
{
if ($_GET['O'] == "D")
$gOpt['order'] = "descending";
else if ($_GET['O'] == "A")
$gOpt['order'] = "ascending";
}
else if (isset($_POST['O']))
{
if ($_POST['O'] == "D")
$gOpt['order'] = "descending";
else if ($_POST['O'] == "A")
$gOpt['order'] = "ascending";
}
else if (!isset($gOpt['order']))
$gOpt['order'] = "ascending";
// Determine current sort field
if (isset($_REQUEST['C'])) {
if ($_REQUEST['C'] == "N")
$gOpt['sortby'] = "fname";
else if ($_REQUEST['C'] == "M")
$gOpt['sortby'] = "mdate";
else if ($_REQUEST['C'] == "S")
$gOpt['sortby'] = "fsize";
else if ($_REQUEST['C'] == "R")
$gOpt['sortby'] = "rating";
}
if (!isset($gOpt['sortby']))
$gOpt['sortby'] = "fname";
}
function set_global_state_variables()
{
global $gOpt;
global $gState;
// Set Parent
$gState['parent'] = set_parent();
// Set annotate state
if (isset($_REQUEST['annotate']) && $_REQUEST['annotate'])
$gState['annotate'] = 1;
else
$gState['annotate'] = 0;
if (isset($_REQUEST['idx']))
$gState['idx'] = $_REQUEST['idx'];
else
$gState['idx'] = -1;
// Determine if we are supposed to display folder names at top level or not
if (isset($_REQUEST['show_dir'])) {
$gState['show_dir'] = 1;
} else if (isset($gOpt['show_dir'])) {
$gState['show_dir'] = $gOpt['show_dir'];
} else {
$gState['show_dir'] = 1;
}
// Determine if we want to collapse folders
if (isset($_REQUEST['collapse'])) {
$gState['collapse'] = $_REQUEST['collapse'];
} else if (isset($gOpt['collapse_folders'])) {
$gState['collapse'] = $gOpt['collapse_folders'];
} else {
$gState['collapse'] = 0;
}
}
function set_parent()
{
// Set value of parent directory
if (isset($_REQUEST['parent_dir'])) {
$parent = $_REQUEST['parent_dir'];
} else {
$parent = ".";
}
// Validate parent directory
if ((($parent[0] == ".") && (strlen($parent) > 1)) ||
($parent[0] == "/") ||
!is_dir($parent) ||
!is_readable($parent)) {
print "$parent is not a valid directory \n";
print "It is either non-existant, not a directory, a hidden \n";
print "directory, a restricted directory, or is located outside of\n";
print "this website. \n";
exit;
}
return $parent;
}
function process_defaults_file()
{
global $gOpt;
global $gDefaultsFile;
global $gVersion;
if (is_readable($gDefaultsFile))
{
read_defaults($gDefaultsFile, $gOpt);
if ($gOpt['dflt_version'] != $gVersion)
write_defaults($gDefaultsFile, $gOpt);
}
else
{
write_defaults($gDefaultsFile, $gOpt);
}
}
function display_setup_instructions_and_exit()
{
global $gWorkspace;
$workspace = $gWorkspace;
print "You are using imgdir.php to display your directory contents. \n";
print " \n";
print "In order for imgdir to work properly, it must have write-access \n";
print "to a $workspace directory at the top level of this webpage. \n";
print " \n";
print "You may either open up the access to the webpage completely and the \n";
print "program will create the $workspace directory for you: \n";
print " \n";
print "% chmod 777 /var/www/html/mywebsite \n";
print " \n";
print "or you can create the $workspace directory yourself and \n";
print "only open up only it's access: \n";
print " \n";
print "% cd /var/www/html/mywebsite \n";
print "% mkdir $workspace \n";
print "% chmod 777 $workspace \n";
print " \n";
print "The latter method is the most secure. \n";
print "
![](\"$gWorkspace/piclens_badge.gif\"){kind=icon}
![\"PicLens\"](\"http://lite.piclens.com/images/PicLensButton.png\"\n");)
\n");
print("