<?php
-// $Id: spam_pickup.php,v 1.2 2006/10/23 12:59:33 henoheno Exp $
+// $Id: spam_pickup.php,v 1.8 2006/10/28 14:08:58 henoheno Exp $
// Concept-work of spam-uri metrics
-// Copyright (C) 2006 PukiWiki Developer Team
+// Copyright (C) 2006 PukiWiki Developers Team
// License: GPL v2 or (at your option) any later version
error_reporting(E_ALL); // Debug purpose
-// TODO: Use 'm' multi-line regex option
+require('spam.php');
-// Return an array of normalized/parsed URIs in the $string
-// [OK] http://nasty.example.org#nasty_string
-function spam_pickup($string = '')
+// Recursive array_map()
+// e.g. Sanitilze ALL values (Debug purpose): var_dump(recursive_map('htmlspecialchars', $array));
+function recursive_map($func, $array)
{
- // Picup external URIs: scheme:+//+fqdn(/path)
- // Not available for IPv6 host, user@password, port
- $array = array();
- preg_match_all(
- '#(https?|\b[a-z0-9]{3,6})' . // 1:Scheme
- ':?//' . // "//" or "://"
- '([^\s<>"\'\[\]\#/]+)' . // 2:Host (FQDN or IPv4 address)
- '(?::[a-z0-9]*)?' . // Port
- '([^\s<>"\'\[\]]+)?' . // 3:Path and Query string
- '#i', $string, $array, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
- // Shrink $array
- $_path = 3;
- foreach(array_keys($array) as $uri) {
- unset($array[$uri][0]); // Matched string itself
- $offset = $array[$uri][1][1]; // [1][1] = scheme's offset
- foreach(array_keys($array[$uri]) as $part) {
- // Remove offsets (with normalization)
- $array[$uri][$part] =
- strtolower(urldecode($array[$uri][$part][0]));
+ if (is_array($array)) {
+ if (! empty($array)) {
+ $array = array_map('recursive_map',
+ array_fill(0, count($array), $func), $array);
}
- // example.org => example.org/
- if (! isset($array[$uri][$_path])) $array[$uri][$_path] = '/';
- $array[$uri]['offset'] = $offset;
- $array[$uri]['area'] = 0;
+ } else {
+ $array = $func($array);
}
-
- // Area elevation for '(especially external)link' intension
- if (! empty($array)) {
- // Anchor tags by preg_match_all()
- // [OK] <a href="http://nasty.example.com">visit http://nasty.example.com/</a>
- // [NG] <a href="http://ng.example.com">visit http://ng.example.com _not_ended_
- $areas = array();
- preg_match_all('#<a\b[^>]*href[^>]*>.*?</a\b[^>]*(>)#i',
- $string, $areas, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
- foreach(array_keys($areas) as $area) {
- $areas[$area] = array(
- $areas[$area][0][1], // [0][1] = Area start (<a href>)
- $areas[$area][1][1], // [1][1] = Area end (</a>)
- );
- }
- area_measure($areas, $array);
-
- // Various Wiki syntax
- // [text_or_uri>text_or_uri]
- // [text_or_uri:text_or_uri]
- // [text_or_uri|text_or_uri]
- // [text_or_uri->text_or_uri]
- // [text_or_uri text_or_uri] // MediaWiki
- // MediaWiki: [http://nasty.example.com/ visit http://nasty.example.com/]
-
- // phpBB's "BBCode" by preg_match_all()
- // [url]http://nasty.example.com/[/url]
- // [link]http://nasty.example.com/[/link]
- // [url=http://nasty.example.com]visit http://nasty.example.com/[/url]
- $areas = array();
- preg_match_all('#\[(url|link)\b[^\]]*\].*?\[/\1\b[^\]]*(\])#i',
- $string, $areas, PREG_SET_ORDER | PREG_OFFSET_CAPTURE);
- foreach(array_keys($areas) as $area) {
- $areas[$area] = array(
- $areas[$area][0][1], // [0][1] = Area start ([url])
- $areas[$area][2][1], // [4][1] = Area end ([/url])
- );
- }
- area_measure($areas, $array);
-
- // Remove 'offset's for area_measure()
- foreach(array_keys($array) as $key)
- unset($array[$key]['offset']);
- }
-
return $array;
}
-// If in doubt, it's a little doubtful
-function area_measure($areas, &$array, $belief = -1, $a_key = 'area', $o_key = 'offset')
-{
- if (! is_array($areas) || ! is_array($array)) return;
-
- $areas_keys = array_keys($areas);
- foreach(array_keys($array) as $u_index) {
- $offset = isset($array[$u_index][$o_key]) ? intval($array[$u_index][$o_key]) : 0;
- foreach($areas_keys as $a_index) {
- if (isset($array[$u_index][$a_key])) {
- $offset_s = intval($areas[$a_index][0]);
- $offset_e = intval($areas[$a_index][1]);
- if ($offset_s < $offset && $offset < $offset_e) {
- $array[$u_index][$a_key] += $belief;
- }
- }
- }
- }
-}
-
function show_form($string)
{
$base = basename(__FILE__);
echo basename(__FILE__) . '<br />';
$msg = isset($_POST['msg']) ? $_POST['msg'] : '';
show_form($msg);
-
echo '<pre>';
+
$results = spam_pickup($msg);
// Measure
foreach($results as $result)
if (isset($result['area']))
$area += $result['area'];
+$average = $count ? ($area / $count) : 'NULL';
-echo "TOTAL = $count URIs, AREA_TOTAL = $area, AREA_AVERAGE = " . ($area / $count) . "</br >" . "</br >";
+echo "TOTAL = $count URIs, AREA_TOTAL = $area, AREA_AVERAGE = " . $average . "</br >" . "</br >";
var_dump($results);
echo '</pre>';
-
?>
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