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archived-web-php/error.php

527 lines
20 KiB
PHP

<?php
// $Id$
/*
This script handles all 401, 403 and 404 error redirects,
and some directory requests (like /images). Uses the
preferred language setting and the REQUEST_URI to guess what
page should be displayed. In case there is no page that can
be displayed, the user is redirected to a search page.
*/
// Ensure that our environment is set up
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/languages.inc';
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/loadavg.inc';
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/errors.inc';
// Get URI for this request, strip leading slash
// See langchooser.inc for more info on STRIPPED_URI
$URI = substr($_SERVER['STRIPPED_URI'], 1);
// ============================================================================
// Mozilla Search Sidebar plugin resource file handling (need to be mirror
// dependent, so the search results will show up in the sidebar)
if ($URI == 'phpnetsearch.src') {
status_header(200);
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/mozsearch.inc';
exit;
}
// FIXME: Nuke the old firefox search plugin
if ($URI == 'phpnetimprovedsearch.src') {
status_header(200);
include_once $_SERVER['DOCUMENT_ROOT'] . '/include/mozopensearch.inc';
exit;
}
// ============================================================================
// BC: handle bugs.php moved completely to bugs.php.net
if (preg_match("!^bugs.php\\?(.+)$!", $URI, $array)) {
mirror_redirect("http://bugs.php.net/?$array[1]");
}
// ============================================================================
// FC: handle advisories
if (preg_match("!^security/advisories/PHPSA-(\\d+)\\.php$!", $URI, $array)) {
status_header(200);
$_GET["id"] = $array[1];
include_once $_SERVER['DOCUMENT_ROOT'] . '/security/index.php';
exit;
}
// ============================================================================
// Omit query string from URL and urldecode special chars
$URI = urldecode(preg_replace("!(\\?.*$)!", "", $URI));
// ============================================================================
// An empty URI is useless at this point, so let's give them the search page
if (empty($URI)) {
mirror_redirect("/search.php");
}
// ============================================================================
// Perform a redirect for manual figures, other images display a 404 automatically
if (preg_match("!^manual/(\\w+)/(print|printwn)/figures/(.+)$!", $URI, $parts)) {
mirror_redirect("/manual/$parts[1]/figures/$parts[3]");
} elseif (preg_match("!\\.(pdf|gif|jpg|png)$!i", $URI)) {
error_404();
}
// ============================================================================
// BC: handle .php3 files that were renamed to .php
if (preg_match("!(.*\\.php)3$!", $URI, $array)) {
mirror_redirect("/$array[1]");
}
// ============================================================================
// BC: handle moving english manual down into its own directory (also supports
// default language manual accessibilty on mirror sites through /manual/filename)
// @todo do we rely on this? how about removing it...
if (preg_match("!^manual/([^/]*)$!", $URI, $array)) {
if (!isset($INACTIVE_ONLINE_LANGUAGES[$array[1]])) {
mirror_redirect("/manual/$LANG/$array[1]");
}
} elseif (preg_match("!^manual/html/([^/]+)$!", $URI, $array)) {
$array[1] = preg_replace("!.html$!", ".php", $array[1]);
mirror_redirect("/manual/$LANG/$array[1]");
}
// ============================================================================
// BC: News archive moved to subfolder
if (preg_match("!^news-(\\d+)(\\.|$)!", $URI, $array)) {
mirror_redirect("/archive/$array[1].php");
}
// ============================================================================
// BC: Release files moved to subfolder
if (preg_match("!^release_([^\\.]+)(\\.php$|$)!", $URI, $array)) {
mirror_redirect("/releases/$array[1].php");
}
// ============================================================================
// BC: handle documentation howto moved to the doc.php.net server
// (redirect to index page)
if (preg_match("!^manual/howto/!", $URI, $array)) {
mirror_redirect("https://wiki.php.net/doc/howto");
}
// ============================================================================
// BC: Printer friendly manual page handling was separate previously, but we
// only need to redirect the old URLs now. Our pages are now printer friendly
// by design.
if (preg_match("!^manual/(\\w+)/(print|printwn|html)((/.+)|$)!", $URI, $array)) {
$array[3] = preg_replace("!.html$!", ".php", $array[3]);
mirror_redirect("/manual/$array[1]$array[3]");
}
// ============================================================================
// If someone is looking for something in distributions/* and it isn't there,
// send them to the /releases page since that is likely to be most helpful.
if (preg_match("!^distributions/.*!", $URI, $array)) {
// Debug: Logging referrers to www.php.net temporarily
// if(!empty($_SERVER['HTTP_REFERER'])) {
// file_get_contents("http://www.php.net/track_ref.php?url=".$_SERVER['SERVER_NAME'].'/'.urlencode($URI).'&ref='.urlencode($_SERVER['HTTP_REFERER']));
// }
mirror_redirect("/releases/");
}
// ============================================================================
// The trailing slash only causes problems from now on
$URI = preg_replace('!/+$!', '', $URI);
// ============================================================================
// Some nice URLs for getting something for download
if (preg_match("!^get/([^/]+)$!", $URI, $what)) {
switch ($what[1]) {
case "php" : $URI = "downloads"; break;
case "docs" : // intentional
case "documentation" : $URI = "download-docs"; break;
}
}
// ============================================================================
// Nice URLs for download files, so wget works completely well with download links
if (preg_match("!^get/([^/]+)/from/([^/]+)(/mirror)?$!", $URI, $dlinfo)) {
$df = $dlinfo[1];
if(strpos($df, "5-LATEST") !== false) {
include_once $_SERVER['DOCUMENT_ROOT'] . "/include/version.inc";
$df = str_replace("5-LATEST", $PHP_5_VERSION, $df);
} elseif(strpos($df, "4-LATEST") !== false) {
include_once $_SERVER['DOCUMENT_ROOT'] . "/include/version.inc";
$df = str_replace("4-LATEST", $PHP_4_VERSION, $df);
}
// Mirror selection page
if ($dlinfo[2] == "a") {
status_header(200);
include_once $_SERVER['DOCUMENT_ROOT'] . "/include/get-download.inc";
exit;
}
// The same mirror is selected
if ($dlinfo[2] == "this") { $mr = $MYSITE; }
// Some other mirror is selected
else { $mr = "http://{$dlinfo[2]}/"; }
// Check if that mirror really exists if not, bail out
if(!isset($MIRRORS[$mr])) {
error_nomirror($mr);
exit;
}
// Start the download process
status_header(200);
include $_SERVER['DOCUMENT_ROOT'] . "/include/do-download.inc";
download_file($mr, $df);
exit;
}
// The rest rendering
if (strpos($URI, "reST/") === 0) {
$_GET["rel_path"] = substr($URI, 5);
include $_SERVER['DOCUMENT_ROOT'] ."/reST/index.php";
exit;
}
// php.net/42 --> likely a bug number
if (is_numeric($URI)) {
mirror_redirect("http://bugs.php.net/bug.php?id=$URI");
}
// Work with lowercased URI from now
$URI = strtolower($URI);
// Redirection hack, see error.inc for detailed description
// These expect -foo not _foo
$term = str_replace('_', '-', $URI);
if ($path = is_known_ini($term)) {
status_header(301);
mirror_redirect("/manual/$LANG/$path");
exit;
}
if ($path = is_known_variable($term)) {
status_header(301);
mirror_redirect("/manual/$LANG/$path");
exit;
}
if ($path = is_known_term($term)) {
status_header(301);
mirror_redirect("/manual/$LANG/$path");
exit;
}
// ============================================================================
// Major manual page modifications (need to handle shortcuts and pages in all languages)
// Used permanent HTTP redirects, so search engines will be able to pick up the correct
// new URLs for these pages.
$manual_page_moves = array(
// entry point changed
'installation' => 'install',
// was splitted among platforms (don't know where to redirect)
'install.apache' => 'install',
'install.apache2' => 'install',
'install.netscape-enterprise'=> 'install',
'install.otherhttpd' => 'install',
// moved to platform sections
'install.caudium' => 'install.unix.caudium',
'install.commandline' => 'install.unix.commandline',
'install.fhttpd' => 'install.unix.fhttpd',
'install.hpux' => 'install.unix.hpux',
'install.iis' => 'install.windows.iis',
'install.linux' => 'install.unix',
'install.omnihttpd' => 'install.windows.omnihttpd',
'install.openbsd' => 'install.unix.openbsd',
'install.sambar' => 'install.windows.sambar',
'install.solaris' => 'install.unix.solaris',
'install.xitami' => 'install.windows.xitami',
// Internals docs where moved
'zend' => 'internals2.ze1.zendapi',
'zend-api' => 'internals2.ze1.zendapi',
'internals.pdo' => 'internals2.pdo',
'phpdevel' => 'internals2.ze1.php3devel',
'tsrm' => 'internals2.ze1.tsrm',
// Replaced extensions
'aspell' => 'pspell',
// Refactored
'regexp.reference' => 'regexp.introduction',
);
if (isset($manual_page_moves[$URI])) {
status_header(301);
mirror_redirect("/" . $manual_page_moves[$URI]);
} elseif (preg_match("!^manual/([^/]+)/([^/]+).php$!", $URI, $match) &&
isset($manual_page_moves[$match[2]])) {
status_header(301);
mirror_redirect("/manual/$match[1]/" . $manual_page_moves[$match[2]] . ".php");
}
// ============================================================================
// Define shortcuts for PHP files, manual pages and external redirects
$uri_aliases = array (
# PHP page shortcuts
"download" => "downloads",
"getphp" => "downloads",
"getdocs" => "download-docs",
"documentation" => "docs",
"mailinglists" => "mailing-lists",
"mailinglist" => "mailing-lists",
"changelog" => "ChangeLog-5",
"gethelp" => "support",
"help" => "support",
"unsubscribe" => "unsub",
"subscribe" => "mailing-lists",
"logos" => "download-logos",
# manual shortcuts
"intro" => "introduction",
"whatis" => "introduction",
"whatisphp" => "introduction",
"what_is_php" => "introduction",
"windows" => "install.windows",
"win32" => "install.windows",
"globals" => "language.variables.predefined",
"register_globals" => "security.globals",
"registerglobals" => "security.globals",
"manual/en/security.registerglobals.php" => "security.globals", // fix for 4.3.8 configure
"magic_quotes" => "security.magicquotes",
"magicquotes" => "security.magicquotes",
"gd" => "image",
"bcmath" => "bc",
'streams' => 'book.stream',
"callback" => "language.pseudo-types",
"number" => "language.pseudo-types",
"mixed" => "language.pseudo-types",
"bool" => "language.types.boolean",
"boolean" => "language.types.boolean",
"int" => "language.types.integer",
"integer" => "language.types.integer",
"float" => "language.types.float",
"string" => "language.types.string",
"heredoc" => "language.types.string",
"<<<" => "language.types.string",
"object" => "language.types.object",
"null" => "language.types.null",
"htaccess" => "configuration.changes",
"php_value" => "configuration.changes",
"ternary" => "language.operators.comparison",
"instanceof" => "language.operators.type",
"if" => "language.control-structures",
"static" => "language.variables.scope",
"global" => "language.variables.scope",
"@" => "language.operators.errorcontrol",
"&" => "language.references",
"dowhile" => "control-structures.do.while",
"tut" => "tutorial",
"tut.php" => "tutorial", // BC
"faq.php" => "faq", // BC
"bugs.php" => "bugs", // BC
"bugstats.php" => "bugstats", // BC
"docs-echm.php"=> "download-docs", // BC
"odbc" => "uodbc", // BC
"oracle" => "oci8",
"_" => "function.gettext",
"cli" => "features.commandline",
"oop4" => "language.oop",
"oop" => "language.oop5",
"const" => "language.constants.syntax",
"class" => "language.oop5.basic",
"new" => "language.oop5.basic",
"extends" => "language.oop5.basic",
"clone" => "language.oop5.cloning",
"construct" => "language.oop5.decon",
"destruct" => "language.oop5.decon",
"public" => "language.oop5.visibility",
"private" => "language.oop5.visibility",
"protected" => "language.oop5.visibility",
"var" => "language.oop5.visibility",
"abstract" => "language.oop5.abstract",
"interface" => "language.oop5.interfaces",
"interfaces" => "language.oop5.interfaces",
"autoload" => "language.oop5.autoload",
"__autoload" => "language.oop5.autoload",
"language.oop5.reflection" => "book.reflection", // BC
"::" => "language.oop5.paamayim-nekudotayim",
"__construct" => "language.oop5.decon",
"__destruct" => "language.oop5.decon",
"__call" => "language.oop5.overloading",
"__callstatic" => "language.oop5.overloading",
"__get" => "language.oop5.overloading",
"__set" => "language.oop5.overloading",
"__isset" => "language.oop5.overloading",
"__unset" => "language.oop5.overloading",
"__sleep" => "language.oop5.magic",
"__wakeup" => "language.oop5.magic",
"__tostring" => "language.oop5.magic",
"__set_state" => "language.oop5.magic",
"__clone" => "language.oop5.cloning",
"throw" => "language.exceptions",
"try" => "language.exceptions",
"catch" => "language.exceptions",
"lsb" => "language.oop5.late-static-bindings",
"namespace" => "language.namespaces",
"use" => "language.namespaces.using",
"iterator" => "language.oop5.iterations",
"factory" => "language.oop5.patterns",
"singleton" => "language.oop5.patterns",
"trait" => "language.oop5.traits",
"traits" => "language.oop5.traits",
"news.php" => "archive/index", // BC
"readme.mirror" => "mirroring", // BC
"php5" => "language.oop5",
"zend_changes.txt" => "language.oop5", // BC
"zend2_example.phps" => "language.oop5", // BC
"zend_changes_php_5_0_0b2.txt" => "language.oop5", // BC
"zend-engine-2" => "language.oop5", // BC
"zend-engine-2.php" => "language.oop5", // BC
"news_php_5_0_0b2.txt" => "ChangeLog-5", // BC
"news_php_5_0_0b3.txt" => "ChangeLog-5", // BC
"manual/about-notes.php" => "manual/add-note", // BC
"software/index.php" => "software", // BC
"releases.php" => "releases/index", // BC
"update_5_2.txt" => "migration52", // BC
"readme_upgrade_51.php" => "migration51", // BC
"internals" => "internals2", // BC
"configuration.directives" => "ini.core", // BC
# regexp. BC
"regexp.reference.backslash" => "regexp.reference.escape",
"regexp.reference.circudollar" => "regexp.reference.anchors",
"regexp.reference.squarebrackets" => "regexp.reference.character-classes",
"regexp.reference.verticalbar" => "regexp.reference.alternation",
# external shortcut aliases ;)
"dochowto" => "phpdochowto",
"projects.php" => "projects", // BC
# CVS -> SVN
"anoncvs.php" => "git",
"cvs-php.php" => "git-php",
# SVN -> Git
"svn" => "git",
"svn.php" => "git",
"svn-php" => "git-php",
"svn-php.php" => "git-php",
# Other items
"security/crypt" => "security/crypt_blowfish",
);
$external_redirects = array(
"php4news" => "https://git.php.net/?p=php-src.git;a=blob_plain;f=NEWS;hb=refs/heads/PHP-4.4",
"php5news" => "https://git.php.net/?p=php-src.git;a=blob_plain;f=NEWS;hb=refs/heads/PHP-5.4",
"php53news" => "https://git.php.net/?p=php-src.git;a=blob_plain;f=NEWS;hb=refs/heads/PHP-5.3",
"php54news" => "https://git.php.net/?p=php-src.git;a=blob_plain;f=NEWS;hb=refs/heads/PHP-5.4",
"phptrunknews"=> "https://git.php.net/?p=php-src.git;a=blob_plain;f=NEWS;hb=refs/heads/master",
"projects" => "http://freshmeat.net/tags/php",
"pear" => "http://pear.php.net/",
"bugs" => "http://bugs.php.net/",
"bugstats" => "http://bugs.php.net/bugstats.php",
"phpdochowto" => "https://wiki.php.net/doc/howto",
"rev" => "http://doc.php.net/php/$LANG/revcheck.php",
"functions.js.txt" => "http://svn.php.net/phpdoc/doc-base/trunk/scripts/quickref",
"release/5_3_0.php" => "/releases/5_3_0.php", // PHP 5.3.0 release announcement had a typo
"ideas.php" => "http://wiki.php.net/ideas", // BC
);
// ============================================================================
// "Rewrite" the URL, if it was a shortcut
if (isset($uri_aliases[$URI])) {
$URI = $uri_aliases[$URI];
}
// ============================================================================
// Redirect if the entered URI was a PHP page name (except some pages,
// which we display in the mirror's language or the explicitly specified
// language [see below])
if (!in_array($URI, array('mirror-info', 'error')) &&
file_exists($_SERVER['DOCUMENT_ROOT'] . "/$URI.php")) {
mirror_redirect("/$URI.php");
}
// ============================================================================
// Execute external redirect if a rule exists for the URI
if (isset($external_redirects[$URI])) {
mirror_redirect($external_redirects[$URI]);
}
// Temporary hack for mirror-info, until all the pages
// will be capable of being included from anywhere
if ($URI=='mirror-info') {
status_header(200);
include_once $_SERVER['DOCUMENT_ROOT'] . "/$URI.php";
exit;
}
// ============================================================================
// Try to find the page using the preferred language as a manual page
include_once $_SERVER['DOCUMENT_ROOT'] . "/include/manual-lookup.inc";
$try = find_manual_page($LANG, $URI);
if ($try) {
status_header(200);
include_once $_SERVER['DOCUMENT_ROOT'] . $try;
exit;
}
// BC. The class methods are now classname.methodname
if (preg_match("!^manual/(.+)/function\.(.+)-(.+).php$!", $URI, $array)) {
$try = find_manual_page($array[1], $array[2]. "." .$array[3]);
if ($try) {
status_header(301);
mirror_redirect($try);
exit;
}
}
// ============================================================================
// 404 page for manual pages (eg. not built language)
if (strpos($URI, "manual/") === 0) {
error_404_manual();
}
// ============================================================================
// If no match was found till this point, the last action is to start a
// search with the URI the user typed in
$fallback = (myphpnet_urlsearch() === MYPHPNET_URL_MANUAL ? "404manual" : "404quickref");
mirror_redirect(
'/search.php?show=' . $fallback . '&lang=' . urlencode($LANG) .
'&pattern=' . urlencode(substr($_SERVER['REQUEST_URI'], 1))
);
/*
* vim:et
*/
?>