getName();
}
elseif (isa($pagename, 'WikiDB_PageRevision')) {
$page = $pagename->getPage();
$args['version'] = $pagename->getVersion();
$pagename = $page->getName();
}
elseif (isa($pagename, 'WikiPageName')) {
$anchor = $pagename->anchor;
$pagename = $pagename->name;
} else { // php5
$anchor = $pagename->anchor;
$pagename = $pagename->name;
}
}
if (!$get_abs_url and DEBUG and $GLOBALS['request']->getArg('start_debug')) {
if (!$args)
$args = 'start_debug=' . $GLOBALS['request']->getArg('start_debug');
elseif (is_array($args))
$args['start_debug'] = $GLOBALS['request']->getArg('start_debug');
else
$args .= '&start_debug=' . $GLOBALS['request']->getArg('start_debug');
}
if (is_array($args)) {
$enc_args = array();
foreach ($args as $key => $val) {
// avoid default args
if (USE_PATH_INFO and $key == 'pagename')
;
elseif ($key == 'action' and $val == 'browse')
;
elseif (!is_array($val)) // ugly hack for getURLtoSelf() which also takes POST vars
$enc_args[] = urlencode($key) . '=' . urlencode($val);
}
$args = join('&', $enc_args);
}
if (USE_PATH_INFO or !empty($GLOBALS['WikiTheme']->HTML_DUMP_SUFFIX)) {
$url = $get_abs_url ? (SERVER_URL . VIRTUAL_PATH . "/") : "";
$url = $url . preg_replace('/%2f/i', '/', rawurlencode($pagename));
if (!empty($GLOBALS['WikiTheme']->HTML_DUMP_SUFFIX))
$url .= $GLOBALS['WikiTheme']->HTML_DUMP_SUFFIX;
if ($args)
$url .= "?$args";
}
else {
$url = $get_abs_url ? SERVER_URL . SCRIPT_NAME : basename(SCRIPT_NAME);
$url .= "?pagename=" . rawurlencode($pagename);
if ($args)
$url .= "&$args";
}
if ($anchor)
$url .= "#" . MangleXmlIdentifier($anchor);
return $url;
}
/** Convert relative URL to absolute URL.
*
* This converts a relative URL to one of PhpWiki's support files
* to an absolute one.
*
* @param string $url
* @return string Absolute URL
*/
function AbsoluteURL ($url) {
if (preg_match('/^https?:/', $url))
return $url;
if ($url[0] != '/') {
$base = USE_PATH_INFO ? VIRTUAL_PATH : dirname(SCRIPT_NAME);
while ($base != '/' and substr($url, 0, 3) == "../") {
$url = substr($url, 3);
$base = dirname($base);
}
if ($base != '/')
$base .= '/';
$url = $base . $url;
}
return SERVER_URL . $url;
}
function DataURL ($url) {
if (preg_match('/^https?:/', $url))
return $url;
$url = NormalizeWebFileName($url);
if (DEBUG and $GLOBALS['request']->getArg('start_debug') and substr($url,-4,4) == '.php')
$url .= "?start_debug=1"; // XMLRPC and SOAP debugging helper.
return AbsoluteURL($url);
}
/**
* Generates icon in front of links.
*
* @param string $protocol_or_url URL or protocol to determine which icon to use.
*
* @return HtmlElement HtmlElement object that contains data to create img link to
* icon for use with url or protocol passed to the function. False if no img to be
* displayed.
*/
function IconForLink($protocol_or_url) {
global $WikiTheme;
if (0 and $filename_suffix == false) {
// display apache style icon for file type instead of protocol icon
// - archive: unix:gz,bz2,tgz,tar,z; mac:dmg,dmgz,bin,img,cpt,sit; pc:zip;
// - document: html, htm, text, txt, rtf, pdf, doc
// - non-inlined image: jpg,jpeg,png,gif,tiff,tif,swf,pict,psd,eps,ps
// - audio: mp3,mp2,aiff,aif,au
// - multimedia: mpeg,mpg,mov,qt
} else {
list ($proto) = explode(':', $protocol_or_url, 2);
$src = $WikiTheme->getLinkIconURL($proto);
if ($src)
return HTML::img(array('src' => $src, 'alt' => "", 'class' => 'linkicon', 'border' => 0));
else
return false;
}
}
/**
* Glue icon in front of or after text.
* Pref: 'noLinkIcons' - ignore icon if set
* Theme: 'LinkIcons' - 'yes' at front
* - 'no' display no icon
* - 'front' display at left
* - 'after' display at right
*
* @param string $protocol_or_url Protocol or URL. Used to determine the
* proper icon.
* @param string $text The text.
* @return XmlContent.
*/
function PossiblyGlueIconToText($proto_or_url, $text) {
global $request, $WikiTheme;
if ($request->getPref('noLinkIcons'))
return $text;
$icon = IconForLink($proto_or_url);
if (!$icon)
return $text;
if ($where = $WikiTheme->getLinkIconAttr()) {
if ($where == 'no') return $text;
if ($where != 'after') $where = 'front';
} else {
$where = 'front';
}
if ($where == 'after') {
// span the icon only to the last word (tie them together),
// to let the previous words wrap on line breaks.
if (!is_object($text)) {
preg_match('/^(\s*\S*)(\s*)$/', $text, $m);
list (, $prefix, $last_word) = $m;
}
else {
$last_word = $text;
$prefix = false;
}
$text = HTML::span(array('style' => 'white-space: nowrap'),
$last_word, HTML::Raw(' '), $icon);
if ($prefix)
$text = HTML($prefix, $text);
return $text;
}
// span the icon only to the first word (tie them together),
// to let the next words wrap on line breaks
if (!is_object($text)) {
preg_match('/^\s*(\S*)(.*?)\s*$/', $text, $m);
list (, $first_word, $tail) = $m;
}
else {
$first_word = $text;
$tail = false;
}
$text = HTML::span(array('style' => 'white-space: nowrap'),
$icon, $first_word);
if ($tail)
$text = HTML($text, $tail);
return $text;
}
/**
* Determines if the url passed to function is safe, by detecting if the characters
* '<', '>', or '"' are present.
*
* @param string $url URL to check for unsafe characters.
* @return boolean True if same, false else.
*/
function IsSafeURL($url) {
return !preg_match('/[<>"]/', $url);
}
/**
* Generates an HtmlElement object to store data for a link.
*
* @param string $url URL that the link will point to.
* @param string $linktext Text to be displayed as link.
* @return HtmlElement HtmlElement object that contains data to construct an html link.
*/
function LinkURL($url, $linktext = '') {
// FIXME: Is this needed (or sufficient?)
if(! IsSafeURL($url)) {
$link = HTML::strong(HTML::u(array('class' => 'baduri'),
_("BAD URL -- remove all of <, >, \"")));
}
else {
if (!$linktext)
$linktext = preg_replace("/mailto:/A", "", $url);
$link = HTML::a(array('href' => $url),
PossiblyGlueIconToText($url, $linktext));
}
$link->setAttr('class', $linktext ? 'namedurl' : 'rawurl');
return $link;
}
/**
* FIXME: disallow sizes which are too small.
* Spammers may use such (typically invisible) image attributes to higher their GoogleRank.
*/
function LinkImage($url, $alt = false) {
// FIXME: Is this needed (or sufficient?)
if(! IsSafeURL($url)) {
$link = HTML::strong(HTML::u(array('class' => 'baduri'),
_("BAD URL -- remove all of <, >, \"")));
} else {
// support new syntax: [image.jpg size=50% border=n]
$arr = split(' ',$url);
if (count($arr) > 1) {
$url = $arr[0];
}
if (empty($alt)) $alt = basename($url);
$link = HTML::img(array('src' => $url, 'alt' => $alt));
if (count($arr) > 1) {
array_shift($arr);
foreach ($arr as $attr) {
if (preg_match('/^size=(\d+%)$/',$attr,$m)) {
$link->setAttr('width',$m[1]);
$link->setAttr('height',$m[1]);
}
if (preg_match('/^size=(\d+)x(\d+)$/',$attr,$m)) {
$link->setAttr('width',$m[1]);
$link->setAttr('height',$m[2]);
}
if (preg_match('/^border=(\d+)$/',$attr,$m))
$link->setAttr('border',$m[1]);
if (preg_match('/^align=(\w+)$/',$attr,$m))
$link->setAttr('align',$m[1]);
if (preg_match('/^hspace=(\d+)$/',$attr,$m))
$link->setAttr('hspace',$m[1]);
if (preg_match('/^vspace=(\d+)$/',$attr,$m))
$link->setAttr('vspace',$m[1]);
}
}
// check width and height as spam countermeasure
if (($width = $link->getAttr('width')) and ($height = $link->getAttr('height'))) {
//$width = (int) $width; // px or % or other suffix
//$height = (int) $height;
if (($width < 3 and $height < 10) or
($height < 3 and $width < 20) or
($height < 7 and $width < 7))
{
trigger_error(_("Invalid image size"), E_USER_NOTICE);
return '';
}
} else {
// Older php versions crash here with certain png's:
// confirmed for 4.1.2, 4.1.3, 4.2.3; 4.3.2 and 4.3.7 are ok
// http://phpwiki.sourceforge.net/demo/themes/default/images/http.png
// See http://bugs.php.net/search.php?cmd=display&search_for=getimagesize
if (!check_php_version(4,3) and preg_match("/^http.+\.png$/i",$url))
; // it's safe to assume that this will fail.
elseif (!DISABLE_GETIMAGESIZE and ($size = @getimagesize($url))) {
$width = $size[0];
$height = $size[1];
if (($width < 3 and $height < 10)
or ($height < 3 and $width < 20)
or ($height < 7 and $width < 7))
{
trigger_error(_("Invalid image size"), E_USER_NOTICE);
return '';
}
}
}
}
$link->setAttr('class', 'inlineimage');
return $link;
}
class Stack {
// var in php5 deprecated
function Stack() {
$this->items = array();
$this->size = 0;
}
function push($item) {
$this->items[$this->size] = $item;
$this->size++;
return true;
}
function pop() {
if ($this->size == 0) {
return false; // stack is empty
}
$this->size--;
return $this->items[$this->size];
}
function cnt() {
return $this->size;
}
function top() {
if($this->size)
return $this->items[$this->size - 1];
else
return '';
}
}
// end class definition
function SplitQueryArgs ($query_args = '')
{
$split_args = split('&', $query_args);
$args = array();
while (list($key, $val) = each($split_args))
if (preg_match('/^ ([^=]+) =? (.*) /x', $val, $m))
$args[$m[1]] = $m[2];
return $args;
}
function LinkPhpwikiURL($url, $text = '', $basepage = false) {
$args = array();
if (!preg_match('/^ phpwiki: ([^?]*) [?]? (.*) $/x', $url, $m)) {
return HTML::strong(array('class' => 'rawurl'),
HTML::u(array('class' => 'baduri'),
_("BAD phpwiki: URL")));
}
if ($m[1])
$pagename = urldecode($m[1]);
$qargs = $m[2];
if (empty($pagename) &&
preg_match('/^(diff|edit|links|info)=([^&]+)$/', $qargs, $m)) {
// Convert old style links (to not break diff links in
// RecentChanges).
$pagename = urldecode($m[2]);
$args = array("action" => $m[1]);
}
else {
$args = SplitQueryArgs($qargs);
}
if (empty($pagename))
$pagename = $GLOBALS['request']->getArg('pagename');
if (isset($args['action']) && $args['action'] == 'browse')
unset($args['action']);
/*FIXME:
if (empty($args['action']))
$class = 'wikilink';
else if (is_safe_action($args['action']))
$class = 'wikiaction';
*/
if (empty($args['action']) || is_safe_action($args['action']))
$class = 'wikiaction';
else {
// Don't allow administrative links on unlocked pages.
$dbi = $GLOBALS['request']->getDbh();
$page = $dbi->getPage($basepage ? $basepage : $pagename);
if (!$page->get('locked'))
return HTML::span(array('class' => 'wikiunsafe'),
HTML::u(_("Lock page to enable link")));
$class = 'wikiadmin';
}
if (!$text)
$text = HTML::span(array('class' => 'rawurl'), $url);
$wikipage = new WikiPageName($pagename);
if (!$wikipage->isValid()) {
global $WikiTheme;
return $WikiTheme->linkBadWikiWord($wikipage, $url);
}
return HTML::a(array('href' => WikiURL($pagename, $args),
'class' => $class),
$text);
}
/**
* A class to assist in parsing wiki pagenames.
*
* Now with subpages and anchors, parsing and passing around
* pagenames is more complicated. This should help.
*/
class WikiPageName
{
/** Short name for page.
*
* This is the value of $name passed to the constructor.
* (For use, e.g. as a default label for links to the page.)
*/
//var $shortName;
/** The full page name.
*
* This is the full name of the page (without anchor).
*/
//var $name;
/** The anchor.
*
* This is the referenced anchor within the page, or the empty string.
*/
//var $anchor;
/** Constructor
*
* @param mixed $name Page name.
* WikiDB_Page, WikiDB_PageRevision, or string.
* This can be a relative subpage name (like '/SubPage'),
* or can be the empty string to refer to the $basename.
*
* @param string $anchor For links to anchors in page.
*
* @param mixed $basename Page name from which to interpret
* relative or other non-fully-specified page names.
*/
function WikiPageName($name, $basename=false, $anchor=false) {
if (is_string($name)) {
$this->shortName = $name;
if ($name == '' or $name[0] == SUBPAGE_SEPARATOR) {
if ($basename)
$name = $this->_pagename($basename) . $name;
else
$name = $this->_normalize_bad_pagename($name);
}
}
else {
$name = $this->_pagename($name);
$this->shortName = $name;
}
$this->name = $this->_check($name);
$this->anchor = (string)$anchor;
}
function getParent() {
$name = $this->name;
if (!($tail = strrchr($name, SUBPAGE_SEPARATOR)))
return false;
return substr($name, 0, -strlen($tail));
}
function isValid($strict = false) {
if ($strict)
return !isset($this->_errors);
return (is_string($this->name) and $this->name != '');
}
function getWarnings() {
$warnings = array();
if (isset($this->_warnings))
$warnings = array_merge($warnings, $this->_warnings);
if (isset($this->_errors))
$warnings = array_merge($warnings, $this->_errors);
if (!$warnings)
return false;
return sprintf(_("'%s': Bad page name: %s"),
$this->shortName, join(', ', $warnings));
}
function _pagename($page) {
if (isa($page, 'WikiDB_Page'))
return $page->getName();
elseif (isa($page, 'WikiDB_PageRevision'))
return $page->getPageName();
elseif (isa($page, 'WikiPageName'))
return $page->name;
if (!is_string($page)) {
trigger_error(sprintf("Non-string pagename '%s' (%s)(%s)",
$page, gettype($page), get_class($page)),
E_USER_NOTICE);
}
//assert(is_string($page));
return $page;
}
function _normalize_bad_pagename($name) {
trigger_error("Bad pagename: " . $name, E_USER_WARNING);
// Punt... You really shouldn't get here.
if (empty($name)) {
global $request;
return $request->getArg('pagename');
}
assert($name[0] == SUBPAGE_SEPARATOR);
return substr($name, 1);
}
function _check($pagename) {
// Compress internal white-space to single space character.
$pagename = preg_replace('/[\s\xa0]+/', ' ', $orig = $pagename);
if ($pagename != $orig)
$this->_warnings[] = _("White space converted to single space");
// Delete any control characters.
$pagename = preg_replace('/[\x00-\x1f\x7f\x80-\x9f]/', '', $orig = $pagename);
if ($pagename != $orig)
$this->_errors[] = _("Control characters not allowed");
// Strip leading and trailing white-space.
$pagename = trim($pagename);
$orig = $pagename;
while ($pagename and $pagename[0] == SUBPAGE_SEPARATOR)
$pagename = substr($pagename, 1);
if ($pagename != $orig)
$this->_errors[] = sprintf(_("Leading %s not allowed"), SUBPAGE_SEPARATOR);
if (preg_match('/[:;]/', $pagename)) {
$this->_warnings[] = _("';' and ':' are deprecated");
$pagename = str_replace(':', '', $pagename);
$pagename = str_replace(';', '', $pagename);
}
if (strlen($pagename) > MAX_PAGENAME_LENGTH) {
$pagename = substr($pagename, 0, MAX_PAGENAME_LENGTH);
$this->_errors[] = _("too long");
}
if (strstr($pagename, '..')) {
$this->_warnings[] = sprintf(_("illegal .. removed"), $pagename);
$pagename = str_replace('..', '', $pagename);
}
return $pagename;
}
}
/**
* Convert old page markup to new-style markup.
*
* @param string $text Old-style wiki markup.
*
* @param string $markup_type
* One of:
* "block"
- Convert all markup.
*
"inline"
- Convert only inline markup.
*
"links"
- Convert only link markup.
*
*
* @return string New-style wiki markup.
*
* @bugs Footnotes don't work quite as before (esp if there are
* multiple references to the same footnote. But close enough,
* probably for now....
* @bugs Apache2 and IIS crash with OldTextFormattingRules or
* AnciennesR%E8glesDeFormatage. (at the 2nd attempt to do the anchored block regex)
* It only crashes with CreateToc so far, but other pages (not in pgsrc) are
* also known to crash, even with Apache1.
*/
function ConvertOldMarkup ($text, $markup_type = "block") {
static $subs;
static $block_re;
// FIXME:
// Trying to detect why the 2nd paragraph of OldTextFormattingRules or
// AnciennesR%E8glesDeFormatage crashes.
// It only crashes with CreateToc so far, but other pages (not in pgsrc) are
// also known to crash, even with Apache1.
$debug_skip = false;
// I suspect this only to crash with Apache2 and IIS.
if (in_array(php_sapi_name(),array('apache2handler','apache2filter','isapi'))
and preg_match("/plugin CreateToc/", $text))
{
trigger_error(_("The CreateTocPlugin is not yet old markup compatible! ")
._("Please remove the CreateToc line to be able to reformat this page to old markup. ")
._("Skipped."), E_USER_WARNING);
$debug_skip = true;
//if (!DEBUG) return $text;
return $text;
}
if (empty($subs)) {
/*****************************************************************
* Conversions for inline markup:
*/
// escape tilde's
$orig[] = '/~/';
$repl[] = '~~';
// escape escaped brackets
$orig[] = '/\[\[/';
$repl[] = '~[';
// change ! escapes to ~'s.
global $WikiNameRegexp, $request;
$bang_esc[] = "(?:" . ALLOWED_PROTOCOLS . "):[^\s<>\[\]\"'()]*[^\s<>\[\]\"'(),.?]";
// before 4.3.9 pcre had a memory release bug, which might hit us here. so be safe.
if (check_php_version(4,3,9)) {
$map = getInterwikiMap();
if ($map_regex = $map->getRegexp())
$bang_esc[] = $map_regex . ":[^\\s.,;?()]+"; // FIXME: is this really needed?
}
$bang_esc[] = $WikiNameRegexp;
$orig[] = '/!((?:' . join(')|(', $bang_esc) . '))/';
$repl[] = '~\\1';
$subs["links"] = array($orig, $repl);
// Temporarily URL-encode pairs of underscores in links to hide
// them from the re for bold markup.
$orig[] = '/\[[^\[\]]*?__[^\[\]]*?\]/e';
$repl[] = 'str_replace(\'__\', \'%5F%5F\', \'\\0\')';
// Escape '<'s
//$orig[] = '/<(?!\?plugin)|(?~[[\\1|#ftnt_\\1]~]';
// Convert old style emphases to HTML style emphasis.
$orig[] = '/__(.*?)__/';
$repl[] = '\\1';
$orig[] = "/''(.*?)''/";
$repl[] = '\\1';
// Escape nestled markup.
$orig[] = '/^(?<=^|\s)[=_](?=\S)|(?<=\S)[=_*](?=\s|$)/m';
$repl[] = '~\\0';
// in old markup headings only allowed at beginning of line
$orig[] = '/!/';
$repl[] = '~!';
// Convert URL-encoded pairs of underscores in links back to
// real underscores after bold markup has been converted.
$orig = '/\[[^\[\]]*?%5F%5F[^\[\]]*?\]/e';
$repl = 'str_replace(\'%5F%5F\', \'__\', \'\\0\')';
$subs["inline"] = array($orig, $repl);
/*****************************************************************
* Patterns which match block markup constructs which take
* special handling...
*/
// Indented blocks
$blockpats[] = '[ \t]+\S(?:.*\s*\n[ \t]+\S)*';
// Tables
$blockpats[] = '\|(?:.*\n\|)*';
// List items
$blockpats[] = '[#*;]*(?:[*#]|;.*?:)';
// Footnote definitions
$blockpats[] = '\[\s*(\d+)\s*\]';
if (!$debug_skip) {
// Plugins
$blockpats[] = '<\?plugin(?:-form)?\b.*\?>\s*$';
}
// Section Title
$blockpats[] = '!{1,3}[^!]';
/*
removed .|\n in the anchor not to crash on /m because with /m "." already includes \n
this breaks headings but it doesn't crash anymore (crash on non-cgi, non-cli only)
*/
$block_re = ( '/\A((?:.|\n)*?)(^(?:'
. join("|", $blockpats)
. ').*$)\n?/m' );
}
if ($markup_type != "block") {
list ($orig, $repl) = $subs[$markup_type];
return preg_replace($orig, $repl, $text);
}
else {
list ($orig, $repl) = $subs['inline'];
$out = '';
//FIXME:
// php crashes here in the 2nd paragraph of OldTextFormattingRules,
// AnciennesR%E8glesDeFormatage and more
// See http://www.pcre.org/pcre.txt LIMITATIONS
while (preg_match($block_re, $text, $m)) {
$text = substr($text, strlen($m[0]));
list (,$leading_text, $block) = $m;
$suffix = "\n";
if (strchr(" \t", $block[0])) {
// Indented block
$prefix = "\n";
$suffix = "\n
\n";
}
elseif ($block[0] == '|') {
// Old-style table
$prefix = "\n";
}
elseif (strchr("#*;", $block[0])) {
// Old-style list item
preg_match('/^([#*;]*)([*#]|;.*?:) */', $block, $m);
list (,$ind,$bullet) = $m;
$block = substr($block, strlen($m[0]));
$indent = str_repeat(' ', strlen($ind));
if ($bullet[0] == ';') {
//$term = ltrim(substr($bullet, 1));
//return $indent . $term . "\n" . $indent . ' ';
$prefix = $ind . $bullet;
}
else
$prefix = $indent . $bullet . ' ';
}
elseif ($block[0] == '[') {
// Footnote definition
preg_match('/^\[\s*(\d+)\s*\]/', $block, $m);
$footnum = $m[1];
$block = substr($block, strlen($m[0]));
$prefix = "#[|ftnt_${footnum}]~[[${footnum}|#ftnt_ref_${footnum}]~] ";
}
elseif ($block[0] == '<') {
// Plugin.
// HACK: no inline markup...
$prefix = $block;
$block = '';
}
elseif ($block[0] == '!') {
// Section heading
preg_match('/^!{1,3}/', $block, $m);
$prefix = $m[0];
$block = substr($block, strlen($m[0]));
}
else {
// AAck!
assert(0);
}
if ($leading_text) $leading_text = preg_replace($orig, $repl, $leading_text);
if ($block) $block = preg_replace($orig, $repl, $block);
$out .= $leading_text;
$out .= $prefix;
$out .= $block;
$out .= $suffix;
}
return $out . preg_replace($orig, $repl, $text);
}
}
/**
* Expand tabs in string.
*
* Converts all tabs to (the appropriate number of) spaces.
*
* @param string $str
* @param integer $tab_width
* @return string
*/
function expand_tabs($str, $tab_width = 8) {
$split = split("\t", $str);
$tail = array_pop($split);
$expanded = "\n";
foreach ($split as $hunk) {
$expanded .= $hunk;
$pos = strlen(strrchr($expanded, "\n")) - 1;
$expanded .= str_repeat(" ", ($tab_width - $pos % $tab_width));
}
return substr($expanded, 1) . $tail;
}
/**
* Split WikiWords in page names.
*
* It has been deemed useful to split WikiWords (into "Wiki Words") in
* places like page titles. This is rumored to help search engines
* quite a bit.
*
* @param $page string The page name.
*
* @return string The split name.
*/
function SplitPagename ($page) {
if (preg_match("/\s/", $page))
return $page; // Already split --- don't split any more.
// This algorithm is specialized for several languages.
// (Thanks to Pierrick MEIGNEN)
// Improvements for other languages welcome.
static $RE;
if (!isset($RE)) {
// This mess splits between a lower-case letter followed by
// either an upper-case or a numeral; except that it wont
// split the prefixes 'Mc', 'De', or 'Di' off of their tails.
switch ($GLOBALS['LANG']) {
case 'en':
case 'it':
case 'es':
case 'de':
$RE[] = '/([[:lower:]])((?getCurrentRevision());
$request->finish();
}
/**
* Get time offset for local time zone.
*
* @param $time time_t Get offset for this time. Default: now.
* @param $no_colon boolean Don't put colon between hours and minutes.
* @return string Offset as a string in the format +HH:MM.
*/
function TimezoneOffset ($time = false, $no_colon = false) {
if ($time === false)
$time = time();
$secs = date('Z', $time);
if ($secs < 0) {
$sign = '-';
$secs = -$secs;
}
else {
$sign = '+';
}
$colon = $no_colon ? '' : ':';
$mins = intval(($secs + 30) / 60);
return sprintf("%s%02d%s%02d",
$sign, $mins / 60, $colon, $mins % 60);
}
/**
* Format time in ISO-8601 format.
*
* @param $time time_t Time. Default: now.
* @return string Date and time in ISO-8601 format.
*/
function Iso8601DateTime ($time = false) {
if ($time === false)
$time = time();
$tzoff = TimezoneOffset($time);
$date = date('Y-m-d', $time);
$time = date('H:i:s', $time);
return $date . 'T' . $time . $tzoff;
}
/**
* Format time in RFC-2822 format.
*
* @param $time time_t Time. Default: now.
* @return string Date and time in RFC-2822 format.
*/
function Rfc2822DateTime ($time = false) {
if ($time === false)
$time = time();
return date('D, j M Y H:i:s ', $time) . TimezoneOffset($time, 'no colon');
}
/**
* Format time in RFC-1123 format.
*
* @param $time time_t Time. Default: now.
* @return string Date and time in RFC-1123 format.
*/
function Rfc1123DateTime ($time = false) {
if ($time === false)
$time = time();
return gmdate('D, d M Y H:i:s \G\M\T', $time);
}
/** Parse date in RFC-1123 format.
*
* According to RFC 1123 we must accept dates in the following
* formats:
*
* Sun, 06 Nov 1994 08:49:37 GMT ; RFC 822, updated by RFC 1123
* Sunday, 06-Nov-94 08:49:37 GMT ; RFC 850, obsoleted by RFC 1036
* Sun Nov 6 08:49:37 1994 ; ANSI C's asctime() format
*
* (Though we're only allowed to generate dates in the first format.)
*/
function ParseRfc1123DateTime ($timestr) {
$timestr = trim($timestr);
if (preg_match('/^ \w{3},\s* (\d{1,2}) \s* (\w{3}) \s* (\d{4}) \s*'
.'(\d\d):(\d\d):(\d\d) \s* GMT $/ix',
$timestr, $m)) {
list(, $mday, $mon, $year, $hh, $mm, $ss) = $m;
}
elseif (preg_match('/^ \w+,\s* (\d{1,2})-(\w{3})-(\d{2}|\d{4}) \s*'
.'(\d\d):(\d\d):(\d\d) \s* GMT $/ix',
$timestr, $m)) {
list(, $mday, $mon, $year, $hh, $mm, $ss) = $m;
if ($year < 70) $year += 2000;
elseif ($year < 100) $year += 1900;
}
elseif (preg_match('/^\w+\s* (\w{3}) \s* (\d{1,2}) \s*'
.'(\d\d):(\d\d):(\d\d) \s* (\d{4})$/ix',
$timestr, $m)) {
list(, $mon, $mday, $hh, $mm, $ss, $year) = $m;
}
else {
// Parse failed.
return false;
}
$time = strtotime("$mday $mon $year ${hh}:${mm}:${ss} GMT");
if ($time == -1)
return false; // failed
return $time;
}
/**
* Format time to standard 'ctime' format.
*
* @param $time time_t Time. Default: now.
* @return string Date and time.
*/
function CTime ($time = false)
{
if ($time === false)
$time = time();
return date("D M j H:i:s Y", $time);
}
/**
* Format number as kilobytes or bytes.
* Short format is used for PageList
* Long format is used in PageInfo
*
* @param $bytes int. Default: 0.
* @param $longformat bool. Default: false.
* @return class FormattedText (XmlElement.php).
*/
function ByteFormatter ($bytes = 0, $longformat = false) {
if ($bytes < 0)
return fmt("-???");
if ($bytes < 1024) {
if (! $longformat)
$size = fmt("%s b", $bytes);
else
$size = fmt("%s bytes", $bytes);
}
else {
$kb = round($bytes / 1024, 1);
if (! $longformat)
$size = fmt("%s k", $kb);
else
$size = fmt("%s Kb (%s bytes)", $kb, $bytes);
}
return $size;
}
/**
* Internationalized printf.
*
* This is essentially the same as PHP's built-in printf
* with the following exceptions:
*
* - It passes the format string through gettext().
*
- It supports the argument reordering extensions.
*
*
* Example:
*
* In php code, use:
*
* __printf("Differences between versions %s and %s of %s",
* $new_link, $old_link, $page_link);
*
*
* Then in locale/po/de.po, one can reorder the printf arguments:
*
*
* msgid "Differences between %s and %s of %s."
* msgstr "Der Unterschiedsergebnis von %3$s, zwischen %1$s und %2$s."
*
*
* (Note that while PHP tries to expand $vars within double-quotes,
* the values in msgstr undergo no such expansion, so the '$'s
* okay...)
*
* One shouldn't use reordered arguments in the default format string.
* Backslashes in the default string would be necessary to escape the
* '$'s, and they'll cause all kinds of trouble....
*/
function __printf ($fmt) {
$args = func_get_args();
array_shift($args);
echo __vsprintf($fmt, $args);
}
/**
* Internationalized sprintf.
*
* This is essentially the same as PHP's built-in printf with the
* following exceptions:
*
*
* - It passes the format string through gettext().
*
- It supports the argument reordering extensions.
*
*
* @see __printf
*/
function __sprintf ($fmt) {
$args = func_get_args();
array_shift($args);
return __vsprintf($fmt, $args);
}
/**
* Internationalized vsprintf.
*
* This is essentially the same as PHP's built-in printf with the
* following exceptions:
*
*
* - It passes the format string through gettext().
*
- It supports the argument reordering extensions.
*
*
* @see __printf
*/
function __vsprintf ($fmt, $args) {
$fmt = gettext($fmt);
// PHP's sprintf doesn't support variable with specifiers,
// like sprintf("%*s", 10, "x"); --- so we won't either.
if (preg_match_all('/(? count($args))
trigger_error(sprintf(_("%s: argument index out of range"),
$argnum), E_USER_WARNING);
$newargs[] = $args[$argnum - 1];
}
$args = $newargs;
}
// Not all PHP's have vsprintf, so...
array_unshift($args, $fmt);
return call_user_func_array('sprintf', $args);
}
function file_mtime ($filename) {
if ($stat = @stat($filename))
return $stat[9];
else
return false;
}
function sort_file_mtime ($a, $b) {
$ma = file_mtime($a);
$mb = file_mtime($b);
if (!$ma or !$mb or $ma == $mb) return 0;
return ($ma > $mb) ? -1 : 1;
}
class fileSet {
/**
* Build an array in $this->_fileList of files from $dirname.
* Subdirectories are not traversed.
*
* (This was a function LoadDir in lib/loadsave.php)
* See also http://www.php.net/manual/en/function.readdir.php
*/
function getFiles($exclude=false, $sortby=false, $limit=false) {
$list = $this->_fileList;
if ($sortby) {
require_once('lib/PageList.php');
switch (Pagelist::sortby($sortby, 'db')) {
case 'pagename ASC': break;
case 'pagename DESC':
$list = array_reverse($list);
break;
case 'mtime ASC':
usort($list,'sort_file_mtime');
break;
case 'mtime DESC':
usort($list,'sort_file_mtime');
$list = array_reverse($list);
break;
}
}
if ($limit)
return array_splice($list, 0, $limit);
return $list;
}
function _filenameSelector($filename) {
if (! $this->_pattern)
return true;
else {
return glob_match ($this->_pattern, $filename, $this->_case);
}
}
function fileSet($directory, $filepattern = false) {
$this->_fileList = array();
$this->_pattern = $filepattern;
$this->_case = !isWindows();
$this->_pathsep = '/';
if (empty($directory)) {
trigger_error(sprintf(_("%s is empty."), 'directoryname'),
E_USER_NOTICE);
return; // early return
}
@ $dir_handle = opendir($dir=$directory);
if (empty($dir_handle)) {
trigger_error(sprintf(_("Unable to open directory '%s' for reading"),
$dir), E_USER_NOTICE);
return; // early return
}
while ($filename = readdir($dir_handle)) {
if ($filename[0] == '.' || filetype($dir . $this->_pathsep . $filename) != 'file')
continue;
if ($this->_filenameSelector($filename)) {
array_push($this->_fileList, "$filename");
//trigger_error(sprintf(_("found file %s"), $filename),
// E_USER_NOTICE); //debugging
}
}
closedir($dir_handle);
}
};
// File globbing
// expands a list containing regex's to its matching entries
class ListRegexExpand {
//var $match, $list, $index, $case_sensitive;
function ListRegexExpand (&$list, $match, $case_sensitive = true) {
$this->match = str_replace('/','\/',$match);
$this->list = &$list;
$this->case_sensitive = $case_sensitive;
//$this->index = false;
}
function listMatchCallback ($item, $key) {
if (preg_match('/' . $this->match . ($this->case_sensitive ? '/' : '/i'), $item)) {
unset($this->list[$this->index]);
$this->list[] = $item;
}
}
function expandRegex ($index, &$pages) {
$this->index = $index;
array_walk($pages, array($this, 'listMatchCallback'));
return $this->list;
}
}
// convert fileglob to regex style:
// convert some wildcards to pcre style, escape the rest
// escape . \\ + * ? [ ^ ] $ ( ) { } = ! < > | :
function glob_to_pcre ($glob) {
// check simple case: no need to escape
if (strcspn($glob, ".\\+*?[^]$(){}=!<>|:") == strlen($glob))
return $glob;
// preg_replace cannot handle "\\\\\\2" so convert \\ to \xff
$glob = strtr($glob, "\\", "\xff");
// first convert some unescaped expressions to pcre style: . => \.
$escape = ".^$";
$re = preg_replace('/([^\xff])?(['.preg_quote($escape).'])/', "\\1\xff\\2", $glob);
// * => .*, ? => .
$re = preg_replace('/([^\xff])?\*/', '$1.*', $re);
$re = preg_replace('/([^\xff])?\?/', '$1.', $re);
if (!preg_match('/^[\?\*]/',$glob))
$re = '^' . $re;
if (!preg_match('/[\?\*]$/',$glob))
$re = $re . '$';
// .*? handled above, now escape the rest
$escape = '\[](){}=!<>|:';
while (strcspn($re, $escape) != strlen($re)) // loop strangely needed
$re = preg_replace('/([^\xff])(['.preg_quote($escape).'])/', "\\1\xff\\2", $re);
return strtr($re, "\xff", "\\");
}
function glob_match ($glob, $against, $case_sensitive = true) {
return preg_match('/' . glob_to_pcre($glob) . ($case_sensitive ? '/' : '/i'), $against);
}
function explodeList($input, $allnames, $glob_style = true, $case_sensitive = true) {
$list = explode(',',$input);
// expand wildcards from list of $allnames
if (preg_match('/[\?\*]/',$input)) {
// Optimizing loop invariants:
// http://phplens.com/lens/php-book/optimizing-debugging-php.php
for ($i = 0, $max = sizeof($list); $i < $max; $i++) {
$f = $list[$i];
if (preg_match('/[\?\*]/',$f)) {
reset($allnames);
$expand = new ListRegexExpand($list, $glob_style ? glob_to_pcre($f) : $f, $case_sensitive);
$expand->expandRegex($i, $allnames);
}
}
}
return $list;
}
// echo implode(":",explodeList("Test*",array("xx","Test1","Test2")));
function explodePageList($input, $include_empty=false, $sortby='pagename', $limit=false, $exclude=false) {
include_once("lib/PageList.php");
return PageList::explodePageList($input, $include_empty, $sortby, $limit, $exclude);
}
// Class introspections
/**
* Determine whether object is of a specified type.
* In PHP builtin since 4.2.0 as is_a()
*
* @param $object object An object.
* @param $class string Class name.
* @return bool True iff $object is a $class
* or a sub-type of $class.
*/
function isa ($object, $class) {
//if (check_php_version(5))
// return $object instanceof $class;
if (check_php_version(4,2) and !check_php_version(5))
return is_a($object, $class);
$lclass = check_php_version(5) ? $class : strtolower($class);
return is_object($object)
&& ( strtolower(get_class($object)) == strtolower($class)
|| is_subclass_of($object, $lclass) );
}
/** Determine whether (possible) object has method.
*
* @param $object mixed Object
* @param $method string Method name
* @return bool True iff $object is an object with has method $method.
*/
function can ($object, $method) {
return is_object($object) && method_exists($object, strtolower($method));
}
/** Determine whether a function is okay to use.
*
* Some providers (e.g. Lycos) disable some of PHP functions for
* "security reasons." This makes those functions, of course,
* unusable, despite the fact the function_exists() says they
* exist.
*
* This function test to see if a function exists and is not
* disallowed by PHP's disable_functions config setting.
*
* @param string $function_name Function name
* @return bool True iff function can be used.
*/
function function_usable($function_name) {
static $disabled;
if (!is_array($disabled)) {
$disabled = array();
// Use get_cfg_var since ini_get() is one of the disabled functions
// (on Lycos, at least.)
$split = preg_split('/\s*,\s*/', trim(get_cfg_var('disable_functions')));
foreach ($split as $f)
$disabled[strtolower($f)] = true;
}
return ( function_exists($function_name)
and ! isset($disabled[strtolower($function_name)])
);
}
/** Hash a value.
*
* This is used for generating ETags.
*/
function hash ($x) {
if (is_scalar($x)) {
return $x;
}
elseif (is_array($x)) {
ksort($x);
return md5(serialize($x));
}
elseif (is_object($x)) {
return $x->hash();
}
trigger_error("Can't hash $x", E_USER_ERROR);
}
/**
* Seed the random number generator.
*
* better_srand() ensures the randomizer is seeded only once.
*
* How random do you want it? See:
* http://www.php.net/manual/en/function.srand.php
* http://www.php.net/manual/en/function.mt-srand.php
*/
function better_srand($seed = '') {
static $wascalled = FALSE;
if (!$wascalled) {
$seed = $seed === '' ? (double) microtime() * 1000000 : $seed;
function_exists('mt_srand') ? mt_srand($seed) : srand($seed);
$wascalled = TRUE;
//trigger_error("new random seed", E_USER_NOTICE); //debugging
}
}
/**
* Recursively count all non-empty elements
* in array of any dimension or mixed - i.e.
* array('1' => 2, '2' => array('1' => 3, '2' => 4))
* See http://www.php.net/manual/en/function.count.php
*/
function count_all($arg) {
// skip if argument is empty
if ($arg) {
//print_r($arg); //debugging
$count = 0;
// not an array, return 1 (base case)
if(!is_array($arg))
return 1;
// else call recursively for all elements $arg
foreach($arg as $key => $val)
$count += count_all($val);
return $count;
}
}
function isSubPage($pagename) {
return (strstr($pagename, SUBPAGE_SEPARATOR));
}
function subPageSlice($pagename, $pos) {
$pages = explode(SUBPAGE_SEPARATOR,$pagename);
$pages = array_slice($pages,$pos,1);
return $pages[0];
}
/**
* Alert
*
* Class for "popping up" and alert box. (Except that right now, it doesn't
* pop up...)
*
* FIXME:
* This is a hackish and needs to be refactored. However it would be nice to
* unify all the different methods we use for showing Alerts and Dialogs.
* (E.g. "Page deleted", login form, ...)
*/
class Alert {
/** Constructor
*
* @param object $request
* @param mixed $head Header ("title") for alert box.
* @param mixed $body The text in the alert box.
* @param hash $buttons An array mapping button labels to URLs.
* The default is a single "Okay" button pointing to $request->getURLtoSelf().
*/
function Alert($head, $body, $buttons=false) {
if ($buttons === false)
$buttons = array();
$this->_tokens = array('HEADER' => $head, 'CONTENT' => $body);
$this->_buttons = $buttons;
}
/**
* Show the alert box.
*/
function show() {
global $request;
$tokens = $this->_tokens;
$tokens['BUTTONS'] = $this->_getButtons();
$request->discardOutput();
$tmpl = new Template('dialog', $request, $tokens);
$tmpl->printXML();
$request->finish();
}
function _getButtons() {
global $request;
$buttons = $this->_buttons;
if (!$buttons)
$buttons = array(_("Okay") => $request->getURLtoSelf());
global $WikiTheme;
foreach ($buttons as $label => $url)
print "$label $url\n";
$out[] = $WikiTheme->makeButton($label, $url, 'wikiaction');
return new XmlContent($out);
}
}
// 1.3.8 => 1030.08
// 1.3.9-p1 => 1030.091
// 1.3.10pre => 1030.099
// 1.3.11pre-20041120 => 1030.1120041120
function phpwiki_version() {
static $PHPWIKI_VERSION;
if (!isset($PHPWIKI_VERSION)) {
$arr = explode('.',preg_replace('/\D+$/','', PHPWIKI_VERSION)); // remove the pre
$arr[2] = preg_replace('/\.+/','.',preg_replace('/\D/','.',$arr[2]));
$PHPWIKI_VERSION = $arr[0]*1000 + $arr[1]*10 + 0.01*$arr[2];
if (strstr(PHPWIKI_VERSION, 'pre'))
$PHPWIKI_VERSION -= 0.01;
}
return $PHPWIKI_VERSION;
}
function isWikiWord($word) {
global $WikiNameRegexp;
//or preg_match('/\A' . $WikiNameRegexp . '\z/', $word) ??
return preg_match("/^$WikiNameRegexp\$/",$word);
}
// needed to store serialized objects-values only (perm, pref)
function obj2hash ($obj, $exclude = false, $fields = false) {
$a = array();
if (! $fields ) $fields = get_object_vars($obj);
foreach ($fields as $key => $val) {
if (is_array($exclude)) {
if (in_array($key,$exclude)) continue;
}
$a[$key] = $val;
}
return $a;
}
/**
* isUtf8String($string) - cheap utf-8 detection
*
* segfaults for strings longer than 10kb!
* Use http://www.phpdiscuss.com/article.php?id=565&group=php.i18n or
* checkTitleEncoding() at http://cvs.sourceforge.net/viewcvs.py/wikipedia/phase3/languages/Language.php
*/
function isUtf8String( $s ) {
$ptrASCII = '[\x00-\x7F]';
$ptr2Octet = '[\xC2-\xDF][\x80-\xBF]';
$ptr3Octet = '[\xE0-\xEF][\x80-\xBF]{2}';
$ptr4Octet = '[\xF0-\xF4][\x80-\xBF]{3}';
$ptr5Octet = '[\xF8-\xFB][\x80-\xBF]{4}';
$ptr6Octet = '[\xFC-\xFD][\x80-\xBF]{5}';
return preg_match("/^($ptrASCII|$ptr2Octet|$ptr3Octet|$ptr4Octet|$ptr5Octet|$ptr6Octet)*$/s", $s);
}
/**
* Check for UTF-8 URLs; Internet Explorer produces these if you
* type non-ASCII chars in the URL bar or follow unescaped links.
* Requires urldecoded pagename.
* Fixes sf.net bug #953949
*
* src: languages/Language.php:checkTitleEncoding() from mediawiki
*/
function fixTitleEncoding( $s ) {
global $charset;
$s = trim($s);
// print a warning?
if (empty($s)) return $s;
$ishigh = preg_match( '/[\x80-\xff]/', $s);
/*
$isutf = ($ishigh ? preg_match( '/^([\x00-\x7f]|[\xc0-\xdf][\x80-\xbf]|' .
'[\xe0-\xef][\x80-\xbf]{2}|[\xf0-\xf7][\x80-\xbf]{3})+$/', $s ) : true );
*/
$isutf = ($ishigh ? isUtf8String($s) : true);
$locharset = strtolower($charset);
if( $locharset != "utf-8" and $ishigh and $isutf )
// if charset == 'iso-8859-1' then simply use utf8_decode()
if ($locharset == 'iso-8859-1')
return utf8_decode( $s );
else
// TODO: check for iconv support
return iconv( "UTF-8", $charset, $s );
if ($locharset == "utf-8" and $ishigh and !$isutf )
return utf8_encode( $s );
// Other languages can safely leave this function, or replace
// it with one to detect and convert another legacy encoding.
return $s;
}
/**
* MySQL fulltext index doesn't grok utf-8, so we
* need to fold cases and convert to hex.
* src: languages/Language.php:stripForSearch() from mediawiki
*/
/*
function stripForSearch( $string ) {
global $wikiLowerChars;
// '/(?:[a-z]|\xc3[\x9f-\xbf]|\xc4[\x81\x83\x85\x87])/' => "a-z\xdf-\xf6\xf8-\xff"
return preg_replace(
"/([\\xc0-\\xff][\\x80-\\xbf]*)/e",
"'U8' . bin2hex( strtr( \"\$1\", \$wikiLowerChars ) )",
$string );
}
*/
/**
* Workaround for allow_url_fopen, to get the content of an external URI.
* It returns the contents in one slurp. Parsers might want to check for allow_url_fopen
* and use fopen, fread chunkwise. (see lib/XmlParser.php)
*/
function url_get_contents( $uri ) {
if (get_cfg_var('allow_url_fopen')) { // was ini_get('allow_url_fopen'))
return @file_get_contents($uri);
} else {
require_once("lib/HttpClient.php");
$bits = parse_url($uri);
$host = $bits['host'];
$port = isset($bits['port']) ? $bits['port'] : 80;
$path = isset($bits['path']) ? $bits['path'] : '/';
if (isset($bits['query'])) {
$path .= '?'.$bits['query'];
}
$client = new HttpClient($host, $port);
$client->use_gzip = false;
if (!$client->get($path)) {
return false;
} else {
return $client->getContent();
}
}
}
/**
* Generate consecutively named strings:
* Name, Name2, Name3, ...
*/
function GenerateId($name) {
static $ids = array();
if (empty($ids[$name])) {
$ids[$name] = 1;
return $name;
} else {
$ids[$name]++;
return $name . $ids[$name];
}
}
// from IncludePage. To be of general use.
// content: string or array of strings
function firstNWordsOfContent( $n, $content ) {
if ($content and $n > 0) {
if (is_array($content)) {
// fixme: return a list of lines then?
$content = join("\n", $content);
$return_array = true;
$wordcount = 0;
foreach ($content as $line) {
$words = explode(' ', $line);
if ($wordcount + count($words) > $n) {
$new[] = implode(' ', array_slice($words, 0, $n - $wordcount))
. sprintf(_("... (first %s words)"), $n);
return $new;
} else {
$wordcount += count($words);
$new[] = $line;
}
}
return $new;
} else {
// fixme: use better whitespace/word seperators
$words = explode(' ', $content);
if (count($words) > $n) {
return join(' ', array_slice($words, 0, $n))
. sprintf(_("... (first %s words)"), $n);
} else {
return $content;
}
}
} else {
return '';
}
}
// moved from lib/plugin/IncludePage.php
function extractSection ($section, $content, $page, $quiet = false, $sectionhead = false) {
$qsection = preg_replace('/\s+/', '\s+', preg_quote($section, '/'));
if (preg_match("/ ^(!{1,})\\s*$qsection" // section header
. " \\s*$\\n?" // possible blank lines
. " ( (?: ^.*\\n? )*? )" // some lines
. " (?= ^\\1 | \\Z)/xm", // sec header (same or higher level) (or EOF)
implode("\n", $content),
$match)) {
// Strip trailing blanks lines and ----
s
$text = preg_replace("/\\s*^-{4,}\\s*$/m", "", $match[2]);
if ($sectionhead)
$text = $match[1] . $section ."\n". $text;
return explode("\n", $text);
}
if ($quiet)
$mesg = $page ." ". $section;
else
$mesg = $section;
return array(sprintf(_("<%s: no such section>"), $mesg));
}
// use this faster version: only load ExternalReferrer if we came from an external referrer
function isExternalReferrer(&$request) {
if ($referrer = $request->get('HTTP_REFERER')) {
$home = SERVER_URL; // SERVER_URL or SCRIPT_NAME, if we want to check sister wiki's also
if (string_starts_with(strtolower($referrer), strtolower($home))) return false;
require_once("lib/ExternalReferrer.php");
$se = new SearchEngines();
return $se->parseSearchQuery($referrer);
}
return false;
}
/**
* useful for PECL overrides: cvsclient, ldap, soap.
*/
function loadPhpExtension($extension) {
if (!extension_loaded($extension)) {
$soname = (isWindows() ? 'php_' : '') . $extension . (isWindows() ? '.dll' : '.so');
if (!@dl($soname))
return false;
}
return extension_loaded($extension);
}
function string_starts_with($string, $prefix) {
return (substr($string, 0, strlen($prefix)) == $prefix);
}
/**
* Ensure that the script will have another $secs time left.
* Works only if safe_mode is off.
* For example not to timeout on waiting socket connections.
* Use the socket timeout as arg.
*/
function longer_timeout($secs = 30) {
$timeout = @ini_get("max_execution_time") ? ini_get("max_execution_time") : 30;
$timeleft = $timeout - $GLOBALS['RUNTIMER']->getTime();
if ($timeleft < $secs)
@set_time_limit(max($timeout,(integer)($secs + $timeleft)));
}
function printSimpleTrace($bt) {
//print_r($bt);
echo "Traceback:\n";
foreach ($bt as $i => $elem) {
if (!array_key_exists('file', $elem)) {
continue;
}
echo join(" ",array_values($elem)),"\n";
//print " " . $elem['file'] . ':' . $elem['line'] . " " .$elem['function']"\n";
}
}
// $Log: not supported by cvs2svn $
// Revision 1.226 2004/12/26 17:12:06 rurban
// avoid stdargs in url, php5 fixes
//
// Revision 1.225 2004/12/22 19:02:29 rurban
// fix glob for starting * or ?
//
// Revision 1.224 2004/12/20 12:11:50 rurban
// fix "lib/stdlib.php:1348: Warning[2]: Compilation failed: unmatched parentheses at offset 2"
// not reproducable other than on sf.net, but this seems to fix it.
//
// Revision 1.223 2004/12/18 16:49:29 rurban
// fix RPC for !USE_PATH_INFO, add debugging helper
//
// Revision 1.222 2004/12/17 16:40:45 rurban
// add not yet used url helper
//
// Revision 1.221 2004/12/06 19:49:58 rurban
// enable action=remove which is undoable and seeable in RecentChanges: ADODB ony for now.
// renamed delete_page to purge_page.
// enable action=edit&version=-1 to force creation of a new version.
// added BABYCART_PATH config
// fixed magiqc in adodb.inc.php
// and some more docs
//
// Revision 1.220 2004/11/30 17:47:41 rurban
// added mt_srand, check for native isa
//
// Revision 1.219 2004/11/26 18:39:02 rurban
// new regex search parser and SQL backends (90% complete, glob and pcre backends missing)
//
// Revision 1.218 2004/11/25 08:28:48 rurban
// support exclude
//
// Revision 1.217 2004/11/16 17:31:03 rurban
// re-enable old block markup conversion
//
// Revision 1.216 2004/11/11 18:31:26 rurban
// add simple backtrace on such general failures to get at least an idea where
//
// Revision 1.215 2004/11/11 14:34:12 rurban
// minor clarifications
//
// Revision 1.214 2004/11/11 11:01:20 rurban
// fix loadPhpExtension
//
// Revision 1.213 2004/11/01 10:43:57 rurban
// seperate PassUser methods into seperate dir (memory usage)
// fix WikiUser (old) overlarge data session
// remove wikidb arg from various page class methods, use global ->_dbi instead
// ...
//
// Revision 1.212 2004/10/22 09:15:39 rurban
// Alert::show has no arg anymore
//
// Revision 1.211 2004/10/22 09:05:11 rurban
// added longer_timeout (HttpClient)
// fixed warning
//
// Revision 1.210 2004/10/14 21:06:02 rurban
// fix dumphtml with USE_PATH_INFO (again). fix some PageList refs
//
// Revision 1.209 2004/10/14 19:19:34 rurban
// loadsave: check if the dumped file will be accessible from outside.
// and some other minor fixes. (cvsclient native not yet ready)
//
// Revision 1.208 2004/10/12 13:13:20 rurban
// php5 compatibility (5.0.1 ok)
//
// Revision 1.207 2004/09/26 12:21:40 rurban
// removed old log entries.
// added persistent start_debug on internal links and DEBUG
// added isExternalReferrer (not yet used)
//
// Revision 1.206 2004/09/25 16:28:36 rurban
// added to TOC, firstNWordsOfContent is now plugin compatible, added extractSection
//
// Revision 1.205 2004/09/23 13:59:35 rurban
// Before removing a page display a sample of 100 words.
//
// Revision 1.204 2004/09/17 13:19:15 rurban
// fix LinkPhpwikiURL bug reported in http://phpwiki.sourceforge.net/phpwiki/KnownBugs
// by SteveBennett.
//
// Revision 1.203 2004/09/16 08:00:52 rurban
// just some comments
//
// Revision 1.202 2004/09/14 10:11:44 rurban
// start 2nd Id with ...Plugin2
//
// Revision 1.201 2004/09/14 10:06:42 rurban
// generate iterated plugin ids, set plugin span id also
//
// Revision 1.200 2004/08/05 17:34:26 rurban
// move require to sortby branch
//
// Revision 1.199 2004/08/05 10:38:15 rurban
// fix Bug #993692: Making Snapshots or Backups doesn't work anymore
// in CVS version.
//
// Revision 1.198 2004/07/02 10:30:36 rurban
// always disable getimagesize for < php-4.3 with external png's
//
// Revision 1.197 2004/07/02 09:55:58 rurban
// more stability fixes: new DISABLE_GETIMAGESIZE if your php crashes when loading LinkIcons: failing getimagesize in old phps; blockparser stabilized
//
// Revision 1.196 2004/07/01 08:51:22 rurban
// dumphtml: added exclude, print pagename before processing
//
// Revision 1.195 2004/06/29 08:52:22 rurban
// Use ...version() $need_content argument in WikiDB also:
// To reduce the memory footprint for larger sets of pagelists,
// we don't cache the content (only true or false) and
// we purge the pagedata (_cached_html) also.
// _cached_html is only cached for the current pagename.
// => Vastly improved page existance check, ACL check, ...
//
// Now only PagedList info=content or size needs the whole content, esp. if sortable.
//
// Revision 1.194 2004/06/29 06:48:04 rurban
// Improve LDAP auth and GROUP_LDAP membership:
// no error message on false password,
// added two new config vars: LDAP_OU_USERS and LDAP_OU_GROUP with GROUP_METHOD=LDAP
// fixed two group queries (this -> user)
// stdlib: ConvertOldMarkup still flawed
//
// Revision 1.193 2004/06/28 13:27:03 rurban
// CreateToc disabled for old markup and Apache2 only
//
// Revision 1.192 2004/06/28 12:47:43 rurban
// skip if non-DEBUG and old markup with CreateToc
//
// Revision 1.191 2004/06/25 14:31:56 rurban
// avoid debug_skip warning
//
// Revision 1.190 2004/06/25 14:29:20 rurban
// WikiGroup refactoring:
// global group attached to user, code for not_current user.
// improved helpers for special groups (avoid double invocations)
// new experimental config option ENABLE_XHTML_XML (fails with IE, and document.write())
// fixed a XHTML validation error on userprefs.tmpl
//
// Revision 1.189 2004/06/20 09:45:35 rurban
// php5 isa fix (wrong strtolower)
//
// Revision 1.188 2004/06/16 10:38:58 rurban
// Disallow refernces in calls if the declaration is a reference
// ("allow_call_time_pass_reference clean").
// PhpWiki is now allow_call_time_pass_reference = Off clean,
// but several external libraries may not.
// In detail these libs look to be affected (not tested):
// * Pear_DB odbc
// * adodb oracle
//
// Revision 1.187 2004/06/14 11:31:37 rurban
// renamed global $Theme to $WikiTheme (gforge nameclash)
// inherit PageList default options from PageList
// default sortby=pagename
// use options in PageList_Selectable (limit, sortby, ...)
// added action revert, with button at action=diff
// added option regex to WikiAdminSearchReplace
//
// Revision 1.186 2004/06/13 13:54:25 rurban
// Catch fatals on the four dump calls (as file and zip, as html and mimified)
// FoafViewer: Check against external requirements, instead of fatal.
// Change output for xhtmldumps: using file:// urls to the local fs.
// Catch SOAP fatal by checking for GOOGLE_LICENSE_KEY
// Import GOOGLE_LICENSE_KEY and FORTUNE_DIR from config.ini.
//
// Revision 1.185 2004/06/11 09:07:30 rurban
// support theme-specific LinkIconAttr: front or after or none
//
// Revision 1.184 2004/06/04 20:32:53 rurban
// Several locale related improvements suggested by Pierrick Meignen
// LDAP fix by John Cole
// reanable admin check without ENABLE_PAGEPERM in the admin plugins
//
// Revision 1.183 2004/06/01 10:22:56 rurban
// added url_get_contents() used in XmlParser and elsewhere
//
// Revision 1.182 2004/05/25 12:40:48 rurban
// trim the pagename
//
// Revision 1.181 2004/05/25 10:18:44 rurban
// Check for UTF-8 URLs; Internet Explorer produces these if you
// type non-ASCII chars in the URL bar or follow unescaped links.
// Fixes sf.net bug #953949
// src: languages/Language.php:checkTitleEncoding() from mediawiki
//
// Revision 1.180 2004/05/18 16:23:39 rurban
// rename split_pagename to SplitPagename
//
// Revision 1.179 2004/05/18 16:18:37 rurban
// AutoSplit at subpage seperators
// RssFeed stability fix for empty feeds or broken connections
//
// Revision 1.178 2004/05/12 10:49:55 rurban
// require_once fix for those libs which are loaded before FileFinder and
// its automatic include_path fix, and where require_once doesn't grok
// dirname(__FILE__) != './lib'
// upgrade fix with PearDB
// navbar.tmpl: remove spaces for IE button alignment
//
// Revision 1.177 2004/05/08 14:06:12 rurban
// new support for inlined image attributes: [image.jpg size=50x30 align=right]
// minor stability and portability fixes
//
// Revision 1.176 2004/05/08 11:25:15 rurban
// php-4.0.4 fixes
//
// Revision 1.175 2004/05/06 17:30:38 rurban
// CategoryGroup: oops, dos2unix eol
// improved phpwiki_version:
// pre -= .0001 (1.3.10pre: 1030.099)
// -p1 += .001 (1.3.9-p1: 1030.091)
// improved InstallTable for mysql and generic SQL versions and all newer tables so far.
// abstracted more ADODB/PearDB methods for action=upgrade stuff:
// backend->backendType(), backend->database(),
// backend->listOfFields(),
// backend->listOfTables(),
//
// Revision 1.174 2004/05/06 12:02:05 rurban
// fix sf.net bug#949002: [ Link | ] assertion
//
// Revision 1.173 2004/05/03 15:00:31 rurban
// added more database upgrading: session.sess_ip, page.id autp_increment
//
// Revision 1.172 2004/04/26 20:44:34 rurban
// locking table specific for better databases
//
// Revision 1.171 2004/04/19 23:13:03 zorloc
// Connect the rest of PhpWiki to the IniConfig system. Also the keyword regular expression is not a config setting
//
// Revision 1.170 2004/04/19 18:27:45 rurban
// Prevent from some PHP5 warnings (ref args, no :: object init)
// php5 runs now through, just one wrong XmlElement object init missing
// Removed unneccesary UpgradeUser lines
// Changed WikiLink to omit version if current (RecentChanges)
//
// Revision 1.169 2004/04/15 21:29:48 rurban
// allow [0] with new markup: link to page "0"
//
// Revision 1.168 2004/04/10 02:30:49 rurban
// Fixed gettext problem with VIRTUAL_PATH scripts (Windows only probably)
// Fixed "cannot setlocale..." (sf.net problem)
//
// Revision 1.167 2004/04/02 15:06:55 rurban
// fixed a nasty ADODB_mysql session update bug
// improved UserPreferences layout (tabled hints)
// fixed UserPreferences auth handling
// improved auth stability
// improved old cookie handling: fixed deletion of old cookies with paths
//
// Revision 1.166 2004/04/01 15:57:10 rurban
// simplified Sidebar theme: table, not absolute css positioning
// added the new box methods.
// remaining problems: large left margin, how to override _autosplitWikiWords in Template only
//
// Revision 1.165 2004/03/24 19:39:03 rurban
// php5 workaround code (plus some interim debugging code in XmlElement)
// php5 doesn't work yet with the current XmlElement class constructors,
// WikiUserNew does work better than php4.
// rewrote WikiUserNew user upgrading to ease php5 update
// fixed pref handling in WikiUserNew
// added Email Notification
// added simple Email verification
// removed emailVerify userpref subclass: just a email property
// changed pref binary storage layout: numarray => hash of non default values
// print optimize message only if really done.
// forced new cookie policy: delete pref cookies, use only WIKI_ID as plain string.
// prefs should be stored in db or homepage, besides the current session.
//
// Revision 1.164 2004/03/18 21:41:09 rurban
// fixed sqlite support
// WikiUserNew: PHP5 fixes: don't assign $this (untested)
//
// Revision 1.163 2004/03/17 18:41:49 rurban
// just reformatting
//
// Revision 1.162 2004/03/16 15:43:08 rurban
// make fileSet sortable to please PageList
//
// Revision 1.161 2004/03/12 15:48:07 rurban
// fixed explodePageList: wrong sortby argument order in UnfoldSubpages
// simplified lib/stdlib.php:explodePageList
//
// Revision 1.160 2004/02/28 21:14:08 rurban
// generally more PHPDOC docs
// see http://xarch.tu-graz.ac.at/home/rurban/phpwiki/xref/
// fxied WikiUserNew pref handling: empty theme not stored, save only
// changed prefs, sql prefs improved, fixed password update,
// removed REPLACE sql (dangerous)
// moved gettext init after the locale was guessed
// + some minor changes
//
// (c-file-style: "gnu")
// Local Variables:
// mode: php
// tab-width: 8
// c-basic-offset: 4
// c-hanging-comment-ender-p: nil
// indent-tabs-mode: nil
// End:
?>