171 lines
6.4 KiB
PHP
171 lines
6.4 KiB
PHP
|
<?php
|
||
|
|
|
||
|
|
/*
|
||
|
|
* pgn4web javascript chessboard
|
||
|
|
* copyright (C) 2009-2013 Paolo Casaschi
|
||
|
|
* see README file and http://pgn4web.casaschi.net
|
||
|
|
* for credits, license and more details
|
||
|
|
*/
|
||
|
|
|
||
|
|
error_reporting(E_ALL | E_STRICT);
|
||
|
|
|
||
|
|
$targetUrl = get_param("targetUrl", "tu", "");
|
||
|
|
$linkFilterDefault = ".+.pgn$";
|
||
|
|
$linkFilter = get_param("linkFilter", "lf", $linkFilterDefault);
|
||
|
|
$frameDepthDefault = 0;
|
||
|
|
$frameDepth = get_param("frameDepth", "fd", $frameDepthDefault);
|
||
|
|
$viewerUrlDefault = "viewer.php?pd=";
|
||
|
|
$viewerUrl = get_param("viewerUrl", "vu", $viewerUrlDefault);
|
||
|
|
$doubleEncodeLink = get_param("doubleEncodeLink", "del", "false");
|
||
|
|
$doubleEncodeLink = (($doubleEncodeLink == "true") || ($doubleEncodeLink == "t"));
|
||
|
|
$headlessPage = get_param("headlessPage", "hp", "false");
|
||
|
|
$headlessPage = (($headlessPage == "true") || ($headlessPage == "t"));
|
||
|
|
$help = get_param("help", "h", "false");
|
||
|
|
$help = (($help == "true") || ($help == "t"));
|
||
|
|
if ((! is_numeric($frameDepth)) || ($frameDepth < 0) || ($frameDepth > 5)) { $frameDepth = $frameDepthDefault; }
|
||
|
|
$actualFrameDepth = 0;
|
||
|
|
$urls = array();
|
||
|
|
get_links($targetUrl, $frameDepth);
|
||
|
|
print_links();
|
||
|
|
|
||
|
|
function get_links($targetUrl, $depth) {
|
||
|
|
global $urls, $linkFilter, $frameDepth, $actualFrameDepth;
|
||
|
|
|
||
|
|
if (! $targetUrl) { return; }
|
||
|
|
|
||
|
|
if ($frameDepth - $depth > $actualFrameDepth) { $actualFrameDepth = $frameDepth - $depth; }
|
||
|
|
|
||
|
|
$html = file_get_contents($targetUrl);
|
||
|
|
$dom = new DOMDocument();
|
||
|
|
@$dom->loadHTML($html);
|
||
|
|
$xpath = new DOMXPath($dom);
|
||
|
|
|
||
|
|
$bases = $xpath->evaluate("/html/head//base");
|
||
|
|
if ($bases->length > 0) {
|
||
|
|
$baseItem = $bases->item($bases->length - 1);
|
||
|
|
$base = $baseItem->getAttribute('href');
|
||
|
|
} else {
|
||
|
|
$base = $targetUrl;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($depth > 0) {
|
||
|
|
$frames = $xpath->evaluate("/html/body//iframe");
|
||
|
|
for ($i = 0; $i < $frames->length; $i++) {
|
||
|
|
$frame = $frames->item($i);
|
||
|
|
$url = make_absolute($frame->getAttribute('src'), $base);
|
||
|
|
if ($url != $targetUrl) { get_links($url, $depth -1); }
|
||
|
|
}
|
||
|
|
$frames = $xpath->evaluate("/html/body//frame");
|
||
|
|
for ($i = 0; $i < $frames->length; $i++) {
|
||
|
|
$frame = $frames->item($i);
|
||
|
|
$url = make_absolute($frame->getAttribute('src'), $base);
|
||
|
|
if ($url != $targetUrl) { get_links($url, $depth -1); }
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$hrefs = $xpath->evaluate("/html/body//a");
|
||
|
|
for ($i = 0; $i < $hrefs->length; $i++) {
|
||
|
|
$href = $hrefs->item($i);
|
||
|
|
$url = $href->getAttribute('href');
|
||
|
|
$absolute = make_absolute($url, $base);
|
||
|
|
if (preg_match("@".$linkFilter."@i", parse_url($absolute, PHP_URL_PATH))) {
|
||
|
|
array_push($urls, $absolute);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
function print_links() {
|
||
|
|
global $urls, $targetUrl, $linkFilter, $frameDepth, $viewerUrl, $doubleEncodeLink, $headlessPage, $help, $actualFrameDepth;
|
||
|
|
|
||
|
|
$labelColor = "lightgray";
|
||
|
|
|
||
|
|
$urls = array_unique($urls);
|
||
|
|
sort($urls);
|
||
|
|
|
||
|
|
print("<!DOCTYPE HTML>" . "\n" . "<html>" . "\n" . "<head>" . "\n");
|
||
|
|
|
||
|
|
if (($numUrls = count($urls)) == 1) { print "<title>1 link</title>" . "\n"; }
|
||
|
|
else { print "<title>$numUrls links</title>" . "\n"; }
|
||
|
|
|
||
|
|
print "<link rel='shortcut icon' href='pawn.ico' />" . "\n";
|
||
|
|
print "<style tyle='text/css'> body { font-family: sans-serif; padding: 1.75em; line-height: 1.5em; } a { color: black; text-decoration: none; } ol { color: $labelColor; } </style>" . "\n";
|
||
|
|
print "<script type='text/javascript'> var viewerWin; </script>" . "\n";
|
||
|
|
|
||
|
|
print("</head>" . "\n" . "<body>" . "\n");
|
||
|
|
|
||
|
|
if ($help) {
|
||
|
|
print("<pre>" . "\n");
|
||
|
|
print("targetUrl = target url to scan for links" . "\n");
|
||
|
|
print("linkFilter = filter for selecting links" . "\n");
|
||
|
|
print("frameDepth = maximum recursive depth to scan frames" . "\n");
|
||
|
|
print("viewerUrl = viewer url to open links" . "\n");
|
||
|
|
print("doubleEncodeLink = true|false" . "\n");
|
||
|
|
print("headlessPage = true|false" . "\n");
|
||
|
|
print("help = true" . "\n");
|
||
|
|
print("\n");
|
||
|
|
print("</pre>" . "\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$headlessPage) {
|
||
|
|
print "<span style='color:$labelColor'>targetUrl</span> <a href='" . $targetUrl . "' target='_blank'>" . $targetUrl . "</a><br />" . "\n";
|
||
|
|
print "<span style='color:$labelColor'>linkFilter</span> " . $linkFilter . "<br />" . "\n";
|
||
|
|
if ($frameDepth > 0) { print "frameDepth: <b>" . $frameDepth . "</b> <span style='opacity: 0.2;'>" . $actualFrameDepth . "</span><br />" . "\n"; }
|
||
|
|
print("<div> </div>" . "\n");
|
||
|
|
}
|
||
|
|
if ($numUrls > 0) {
|
||
|
|
print("<ol>" . "\n");
|
||
|
|
for ($i = 0; $i < count($urls); $i++) {
|
||
|
|
print("<li>");
|
||
|
|
print("<a href='javascript:void(0);' onclick='if (event.shiftKey) { location.href = \"$urls[$i]\"; } else { if (viewerWin && !viewerWin.closed) { viewerWin.close(); } viewerWin = window.open(\"" . ($viewerUrl . ($doubleEncodeLink ? rawurlencode(rawurlencode($urls[$i])) : rawurlencode($urls[$i]))) . "\", \"pgn4web_link_viewer\"); viewerWin.focus(); } this.blur(); return false;'>");
|
||
|
|
print($urls[$i] . "</a>" . "</li>" . "\n");
|
||
|
|
}
|
||
|
|
print "</ol>" . "\n";
|
||
|
|
} else {
|
||
|
|
print("<i>no links found</i>" . "\n");
|
||
|
|
}
|
||
|
|
|
||
|
|
print("</body>" . "\n" . "</html>");
|
||
|
|
}
|
||
|
|
|
||
|
|
function get_param($param, $shortParam, $default) {
|
||
|
|
if (isset($_REQUEST[$param])) { return $_REQUEST[$param]; }
|
||
|
|
if (isset($_REQUEST[$shortParam])) { return $_REQUEST[$shortParam]; }
|
||
|
|
return $default;
|
||
|
|
}
|
||
|
|
|
||
|
|
function make_absolute($url, $base) {
|
||
|
|
|
||
|
|
// Return base if no url
|
||
|
|
if( ! $url) return $base;
|
||
|
|
|
||
|
|
// Return if already absolute URL
|
||
|
|
if(parse_url($url, PHP_URL_SCHEME) != '') return $url;
|
||
|
|
|
||
|
|
// Urls only containing query or anchor
|
||
|
|
if($url[0] == '#' || $url[0] == '?') return $base.$url;
|
||
|
|
|
||
|
|
// Parse base URL and convert to local variables: $scheme, $host, $path
|
||
|
|
extract(parse_url($base));
|
||
|
|
|
||
|
|
// If no path, use /
|
||
|
|
if( ! isset($path)) $path = '/';
|
||
|
|
|
||
|
|
// Remove non-directory element from path
|
||
|
|
$path = preg_replace('#/[^/]*$#', '', $path);
|
||
|
|
|
||
|
|
// Destroy path if relative url points to root
|
||
|
|
if($url[0] == '/') $path = '';
|
||
|
|
|
||
|
|
// Dirty absolute URL
|
||
|
|
$abs = "$host$path/$url";
|
||
|
|
|
||
|
|
// Replace '//' or '/./' or '/foo/../' with '/'
|
||
|
|
$re = array('#(/\.?/)#', '#/(?!\.\.)[^/]+/\.\./#');
|
||
|
|
for($n = 1; $n > 0; $abs = preg_replace($re, '/', $abs, -1, $n)) {}
|
||
|
|
|
||
|
|
// Absolute URL is ready!
|
||
|
|
return $scheme.'://'.$abs;
|
||
|
|
}
|
||
|
|
|
||
|
|
?>
|