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mirror of https://github.com/php/web-php.git synced 2026-03-24 07:12:16 +01:00
Files
archived-web-php/error/index.php
Gabor Hojtsy c57f71b8cc Adding redirection info for tut.php for backward compatibility with
the old file, which is now in the manual
2002-07-18 09:38:46 +00:00

205 lines
7.0 KiB
PHP

<?php
require_once 'prepend.inc';
// A 'good looking' 404 error message page
function make404()
{
global $REQUEST_URI;
header('Status: 404 Not Found');
header("Cache-Control: public, max-age=600");
commonHeader('404 Not Found');
echo "<h1>Not Found</h1>\n";
echo "<p>The page <b>" . htmlspecialchars($REQUEST_URI) . "</b> could not be found.</p>\n";
commonFooter();
}
// ============================================================================
// For images, display a 404 automatically (no redirect)
if (preg_match('/\.(pdf|gif|jpg)$/', $REQUEST_URI)) {
make404();
exit;
}
// ============================================================================
// Get mirror specific configuration, and check for manual language existance
if (file_exists("../configuration.inc")) {
include_once "../configuration.inc";
}
$lang = default_language();
if (!@is_dir("$DOCUMENT_ROOT/manual/$lang")) {
$lang = "en"; // fall back to English
}
// ============================================================================
// BC: handle .php3 files that were renamed to .php
if (preg_match("/(.*\.php)3$/", $REQUEST_URI, $array)) {
if($SERVER_PORT!=80) {
$url = "http://".$SERVER_NAME.":".$SERVER_PORT.$array[1];
} else {
$url = "http://".$SERVER_NAME.$array[1];
}
$urle = htmlspecialchars($url);
header("Location: $url");
print "<html><title>Redirect to $urle</title><body>";
print "<a href=\"".$url."\">Please click here</a></body></html>";
exit;
}
// ============================================================================
// BC: handle moving english manual down into its own directory (also supports
// default language manual accessibilty on mirror sites through /manual/filename)
if (eregi("^(.*)/manual/((html/)?[^/]+)$", $REQUEST_URI, $array)) {
if ($SERVER_PORT != 80) {
$url = "http://".$SERVER_NAME.":".$SERVER_PORT."$array[1]/manual/$lang/".$array[2];
} else {
$url = "http://".$SERVER_NAME."$array[1]/manual/$lang/".$array[2];
}
$urle = htmlspecialchars($url);
header("Location: $url");
print "<html><title>Redirect to $urle</title><body>";
print "<a href=\"".$url."\">Please click here</a></body></html>";
exit;
}
// ============================================================================
// Prepare URI for further manipulation, dropping out leading slash
$error_notes = $REDIRECT_REDIRECT_ERROR_NOTES
? $REDIRECT_REDIRECT_ERROR_NOTES
: $REDIRECT_ERROR_NOTES;
$uri = substr(
$error_notes,
strpos($error_notes,$DOCUMENT_ROOT)+strlen($DOCUMENT_ROOT)+1
);
if ($uri[0] == "/") { $uri = substr($uri,1); }
// ============================================================================
// Printer friendly manual page handling. It's important that this is included,
// and not redirected, as this way all relative URL's will retain their meaning
// and point to pages relative to the print dir (which is nonexistent)
if (preg_match("!^manual/(\\w+)/print/(.+\\.php)$!", $uri, $parts)) {
$PRINT_PAGE = TRUE;
include "../manual/$parts[1]/$parts[2]";
exit;
}
// BC: for old HTML directory (.html extension was used in that)
elseif (preg_match("!^manual/(\\w+)/html/(.+)\\.(html|php)$!", $uri, $parts)) {
$PRINT_PAGE = TRUE;
include "../manual/$parts[1]/$parts[2].php";
exit;
}
// The index file needs to be handled in a special way
elseif (preg_match("!^manual/(\\w+)/(print|html)(/)?$!", $uri, $parts)) {
$PRINT_PAGE = TRUE;
include "../manual/$parts[1]/index.php";
exit;
}
// ============================================================================
// Define shortcuts for PHP files, manual pages and external redirects
$uri_aliases = array (
# PHP page shortcuts
"download" => "downloads",
"documentation" => "docs",
"mailinglists" => "mailing-lists",
"mailinglist" => "mailing-lists",
"changelog" => "ChangeLog-4",
"gethelp" => "support",
"help" => "support",
"unsubscribe" => "unsub",
"subscribe" => "mailing-lists",
# manual shortcuts
"ini" => "configuration",
"install" => "installation",
"intro" => "introduction",
"whatis" => "introduction",
"whatisphp" => "introduction",
"what_is_php" => "introduction",
"windows" => "install.windows",
"win32" => "install.windows",
"globals" => "security.registerglobals",
"tut" => "tutorial",
"tut.php" => "tutorial", // for backward compatibility with PHP page!
# external shortcut aliases ;)
"dochowto" => "phpdochowto"
);
$external_redirects = array(
"phpdochowto" => "http://cvs.php.net/co.php/phpdoc/howto/howto.html.tar.gz",
"php4news" => "http://cvs.php.net/co.php/php4/NEWS?p=1"
);
// ============================================================================
// "Rewrite" the URL, if it was a shortcut
if (isset($uri_aliases[strtolower($uri)])) {
$uri = $uri_aliases[strtolower($uri)];
}
// ============================================================================
// Redirect if the entered URI was a PHP page name
if (file_exists("$DOCUMENT_ROOT/$uri.php")) {
header("Location: http://$SERVER_NAME/$uri.php");
exit;
}
// ============================================================================
// Execute external redirect if a rule exists for the URI
if (isset($external_redirects[strtolower($uri)])) {
header("Location: " . $external_redirects[strtolower($uri)]);
exit;
}
// ============================================================================
// Try to find the URI as a manual entry
require "manual-lookup.inc";
if (strchr($uri,'/')) {
// Find language and function name part (eg. hu/ini)
list($lang,$function) = explode('/',$uri,2);
$function = strtolower($function);
if ($lang != 'pt_BR') { $lang = strtolower($lang); }
// Transform function name, so it can be a shortcut
if (isset($uri_aliases[$function])) {
$function = $uri_aliases[$function];
}
} else {
$function = strtolower($uri);
}
// ============================================================================
// Quick access to revcheck output and build logs for various languages
if ($function == "rev") {
header("Location: http://$SERVER_NAME/manual/$lang/revcheck.html.gz");
exit;
} elseif ($function == "blog") {
header("Location: http://$SERVER_NAME/manual/$lang/build.log.gz");
exit;
}
// ============================================================================
// Try to find the page using this language as a manual page (lang is the language
// from the URI, or the default language if it was not there in the URI
$try = find_manual_page($lang, $function);
if ($try) {
header("Location: $try");
exit;
}
// ============================================================================
// If no match was found till this point, the last action is to start a
// search with the URI the user typed in
header('Location: http://'.$SERVER_NAME.'/search.php?show=nosource&auto=1&pattern='.urlencode(substr($REQUEST_URI,1)) );
?>