function ewiki_valid_pages($bool_allowimages = 0, $virtual_pages = 0)
{
//$time=getmicrotime();
global $ewiki_plugins;
$result = ewiki_db::GETALL(array("flags", "refs", "meta"));
while ($row = $result->get()) {
if (EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING && !ewiki_auth($row["id"], $str_null, "view")) {
continue;
}
if (($row["flags"] & EWIKI_DB_F_TYPE) == EWIKI_DB_F_TEXT || ($bool_allowimages ? $row["meta"]["class"] == "image" : 0)) {
$temp_refs = explode("\n", $row["refs"]);
foreach ($temp_refs as $key => $value) {
if (empty($value)) {
unset($temp_refs[$key]);
}
}
if ($row["meta"]["class"] == "image") {
$a_validpages[$row["id"]] = $temp_array = array("refs" => $temp_refs, "type" => "image", "touched" => FALSE);
} else {
$a_validpages[$row["id"]] = $temp_array = array("refs" => $temp_refs, "type" => "page", "touched" => FALSE);
}
unset($temp_refs);
}
}
if ($virtual_pages) {
#-- include virtual pages to the sitemap.
$virtual = array_keys($ewiki_plugins["page"]);
foreach ($virtual as $vp) {
if (!EWIKI_PROTECTED_MODE || !EWIKI_PROTECTED_MODE_HIDING || ewiki_auth($vp, $str_null, "view")) {
$a_validpages[$vp] = array("refs" => array(), "type" => "page", "touched" => FALSE);
}
}
}
return $a_validpages;
}
function ewiki_anacron_checktime()
{
global $ewiki_plugins;
if ($d = ewiki_db::GET(EWIKI_ANACRON_ID) and $d = unserialize($d["content"]) and $d["last"] >= UNIX_MILLENNIUM and time() >= $d["last"] + EWIKI_ANACRON_INTERLEAVE) {
register_shutdown_function("ewiki_anacron_runparts");
}
}
function ewiki_page_wordindex($id, $data, $action)
{
global $ewiki_plugins;
$o = ewiki_make_title($id, $id, 2);
$src = "";
$result = ewiki_db::GETALL(array("flags"));
while ($row = $result->get()) {
if (EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING && !ewiki_auth($row["id"], $uu, "view")) {
continue;
}
if (($row["flags"] & EWIKI_DB_F_TYPE) == EWIKI_DB_F_TEXT) {
$src .= " " . $row["id"];
}
}
$src = ewiki_split_title($src, "SPLIT", 0);
$chars = strtr(EWIKI_CHARS_U . EWIKI_CHARS_L, "_", " ");
$src = preg_replace("/[^{$chars}]/", " ", $src);
$src = explode(" ", $src);
$src = array_unique($src);
//@ADD: word counting
unset($src[""]);
natcasesort($src);
$sorted = array();
foreach ($src as $i => $word) {
if (strlen($word) >= 2) {
$sorted[] = array(EWIKI_PAGE_POWERSEARCH, array("where" => "id", "q" => $word), $word, "");
}
}
unset($src);
$pf_list_pages = $ewiki_plugins["list_dict"][0];
$o .= ewiki_list_pages($sorted, $limit = 0, $vat = 1, $pf_list_pages);
return $o;
}
function ewiki_powersearch($q, $where = 'content')
{
$q = ewiki_lowercase(preg_replace('/\\s*[\\000-\\040]+\\s*/', ' ', $q));
$found = array();
$scored = array();
#-- initial scan
foreach (explode(" ", $q) as $search) {
if (empty($search)) {
continue;
}
$result = ewiki_db::SEARCH($where, $search);
while ($row = $result->get()) {
if (($row["flags"] & EWIKI_DB_F_TYPE) == EWIKI_DB_F_TEXT) {
$id = $row["id"];
$content = strtolower($row[$where]);
unset($row);
#-- have a closer look
$len1 = strlen($content) + 1;
if (!isset($scored[$id])) {
$scored[$id] = 1;
}
$scored[$id] += 800 * (strlen($search) / $len1);
$scored[$id] += 65 * (count(explode($search, $content)) - 2);
$p = -1;
while (($p = strpos($content, $search, $p + 1)) !== false) {
$scored[$id] += 80 * (1 - $p / $len1);
}
}
#if-TXT
}
}
#-- output results
arsort($scored);
$o = "<ol>\n";
$n = 0;
foreach ($scored as $id => $score) {
#-- refetch page for top 10 entries (still cached by OS or DB)
$row = $n < 10 ? ewiki_db::GET($id) : NULL;
#-- check access rights in protected mode
if (EWIKI_PROTECTED_MODE && !ewiki_auth($id, $row, "view", $ring = false, $force = 0)) {
if (EWIKI_PROTECTED_MODE_HIDING) {
continue;
} else {
$row["content"] = ewiki_t("FORBIDDEN");
}
}
$o .= "<li>\n";
$o .= '<div class="search-result ' . ($oe ^= 1 ? "odd" : "even") . '">' . '<a href="' . ewiki_script("", $id) . '">' . $id . "</a> " . "\n";
#-- top 10 results are printed more verbosely
if ($n++ < 10) {
preg_match_all('/([_-\\w]+)/', $row["content"], $uu);
$text = htmlentities(substr(implode(" ", $uu[1]), 0, 200));
$o .= "<br />\n<small>{$text}\n" . "<br />" . strftime(ewiki_t("LASTCHANGED"), $row["lastmodified"]) . "<br /><br /></small>\n";
}
$o .= "</div>\n";
$o .= "</li>\n";
}
$o .= "</ol>\n";
return $o;
}
function ewiki_banned_link($href)
{
global $ewiki_config;
#-- buffer list of banned urls
if (!isset($ewiki_config["banned"])) {
$data = ewiki_db::GET(EWIKI_PAGE_BANNED);
$ewiki_config["banned"] = trim(strtolower($data["refs"]));
}
#-- check for entry
if ($b =& $ewiki_config["banned"]) {
$href = strtolower(urldecode($href));
if (strpos($b, $href) !== false) {
return true;
}
foreach (explode("\n", $b) as $bad) {
if (strpos($href, $bad) !== false) {
return true;
}
}
}
#-- advanced
if ($pf_a = $ewiki_plugins["ban_lookup"]) {
foreach ($pf_a as $pf) {
if ($pf($href)) {
return true;
}
}
}
return false;
}
function ewiki_action_rss($id, &$data, $action)
{
$list = array();
#-- recentchanges as rss
if (strtoupper($id) == "RSS") {
$res = ewiki_db::GETALL(array("id", "flags", "version", "lastmodified"));
$sort = array();
while ($data = $res->get(0, 0x137, EWIKI_DB_F_TEXT)) {
$sort[$data["id"]] = $data["lastmodified"];
}
arsort($sort);
$limit = 100;
foreach ($sort as $id => $uu) {
$list[] = ewiki_db::GET($id);
if ($limit-- < 0) {
break;
}
}
} else {
$list[] = $data;
for ($v = $data["version"] - 1; $v >= 1; $v--) {
$d = ewiki_db::GET($id, $v);
$list[] = $d;
}
}
ewiki_feed($list);
}
function ewiki_page_since_updates($id = 0, $data = 0)
{
$orderby = "lastmodified";
$asc = -1;
$print = "%02dT %02dH %02dM %02dS";
$title = "Aktualisierung seit";
$sorted = array();
$result = ewiki_db::GETALL(array($orderby, "flags", "version"));
while ($row = $result->get()) {
if (EWIKI_DB_F_TEXT == ($row["flags"] & EWIKI_DB_F_TYPE)) {
$sorted[$row["id"]] = $row[$orderby];
}
}
if ($asc != 0) {
arsort($sorted);
} else {
asort($sorted);
}
foreach ($sorted as $name => $value) {
$x = time() - $value;
$dy = (int) ($x / 86400);
$hr = (int) ($x % 86400 / 3600);
$mn = (int) ($x % 86400 % 3600 / 60);
$se = $x % 86400 % 3600 % 60;
$sorted[$name] = sprintf($print, $dy, $hr, $mn, $se);
}
$o .= ewiki_list_pages($sorted);
return $o;
}
function ewiki_edit_form_append_pageimgcntrl($id, $data, $action)
{
global $ewiki_config;
#-- fetch and asort images
$sorted = array();
$result = ewiki_db::GETALL(array("flags", "created", "meta"));
while ($row = $result->get()) {
if (($row["flags"] & EWIKI_DB_F_TYPE) == EWIKI_DB_F_BINARY && strpos($row['meta']['Content-Type'], 'image/') === 0) {
if (isset($ewiki_config['image-galleries'][EWIKI_PAGE_LOGOCNTRL_GALLERY])) {
foreach ($ewiki_config['image-galleries'][EWIKI_PAGE_LOGOCNTRL_GALLERY] as $field => $value) {
if ($row['meta'][$field] != $value) {
continue 2;
}
}
}
if (!EWIKI_PROTECTED_MODE || EWIKI_PROTECTED_MODE_HIDING <= 0.5 || ewiki_auth($row["id"], $uu, "binary-get")) {
$sorted[$row["id"]] = substr($row['meta']["Content-Location"] . ' (' . $row["id"] . ')', 0, 70);
//echo("adding ".$row["id"].", ".$sorted[$row["id"]]."<br />");
}
}
}
arsort($sorted);
#-- start selector
$o = '
<br /><label for="pageimagecntrl">Choose Page Image (<A href="' . ewiki_script(EWIKI_PAGE_LOGOCNTRL_GALLERY) . '">view thumbnails</A>):</label>
<select id="pageimagecntrl" name="pageimagecntrl">' . '<option value="-1" ' . (!isset($data['meta']['pageimage']) || $data['meta']['pageimage'] == '' ? ' selected="selected"' : '') . '>None</option>';
foreach ($sorted as $image => $name) {
$o .= '<option value="' . htmlentities($image) . '"' . (isset($data['meta']['pageimage']) && $image == $data['meta']['pageimage'] ? ' selected="selected"' : '') . '>' . htmlentities($name) . '</option>';
}
$o .= "</select>\n";
return $o;
}
function ewiki_page_wiki_mini_tarball_dump($id, $data, $action)
{
global $ewiki_config, $ewiki_plugins;
#-- get all pages / binary files
$result = ewiki_db::GETALL(array("id", "version", "flags"));
if ($result) {
#-- HTTP headers
header("Content-Type: application/x-tar");
header("Content-Disposition: attachment; filename=\"InitPages.tar.gz\"");
#-- start tar file
$tarball = new ewiki_virtual_tarball();
$tarball->open(0);
#-- convert all pages
while ($row = $result->get(0, 0x1037)) {
$id = $row["id"];
$row = ewiki_db::GET($id);
$content =& $row["content"];
$fn = $id;
if (!$row || !$row["id"] || !$row["content"]) {
continue;
}
#-- for tarball
$perms = array("mtime" => $row["lastmodified"], "uname" => "ewiki", "mode" => 0664 | ($row["flags"] & EWIKI_DB_F_WRITEABLE ? 02 : 00));
#-- add file
$tarball->add($fn, $content, $perms);
}
#-- end output
$tarball->close();
}
#-- fin
die;
}
function ewiki_blocked_link($href, $LinkPage = EWIKI_PAGE_BLOCKED)
{
global $ewiki_config, $ewiki_plugins;
if (!($href = trim(strtolower(urldecode($href))))) {
return;
}
#-- buffer list of banned urls
if (!isset($ewiki_config[$LinkPage])) {
$data = ewiki_db::GET($LinkPage);
$ewiki_config[$LinkPage] = trim(strtolower($data["refs"]));
}
#-- check for entry
if ($b =& $ewiki_config[$LinkPage]) {
if (strpos($b, $href) !== false) {
// quick string check
return true;
}
foreach (explode("\n", $b) as $bad) {
// use as patterns
if (strlen($bad) && strpos($href, $bad) !== false) {
return true;
}
}
}
#-- advanced
if ($pf_a = $ewiki_plugins["ban_lookup"]) {
foreach ($pf_a as $pf) {
if ($pf($href)) {
return true;
}
}
}
return false;
}
function ewiki_addpage($id, &$data, $version)
{
$o = ewiki_make_title($id, $id, 2);
#-- output page creation dialog
if (empty($_REQUEST["new_id"])) {
$o .= ewiki_t('<form action="' . ewiki_script("", $id) . '" method="POST" enctype="multipart/formdata"> ' . '_{name of the new page} <input type="text" name="new_id" size="26" value="">' . '<br />' . '<input type="submit" value="_{create}">' . '<br /><br />' . '<input type="checkbox" name="add_link_from" value="1" checked="checked">' . ' _{link it from} ' . '<input type="text" name="link_from" size="20" value="_{AddedPages}">' . '</form>');
} else {
$new_id = trim($_REQUEST["new_id"]);
#-- add a link to new page
if ($_REQUEST["add_link_from"] && ($from = $_REQUEST["link_from"])) {
$row = ewiki_db::GET($from);
if ($row && $row["version"]) {
if (($row["flags"] & EWIKI_DB_F_TYPE) == EWIKI_DB_F_TEXT) {
$row["version"]++;
$row["content"] .= "\n* [{$new_id}]";
ewiki_scan_wikiwords($row["content"], $row["refs"], "_STRIP_EMAIL=1");
$row["refs"] = "\n\n" . implode("\n", array_keys($row["refs"])) . "\n\n";
} else {
$row = false;
}
} else {
$row = array("id" => $from, "version" => 1, "flags" => EWIKI_DB_F_TEXT, "created" => time(), "lastmodified" => time(), "hits" => 0, "meta" => "", "content" => "\n* [{$new_id}]", "refs" => "\n\n{$new_id}\n\n");
}
if ($row) {
ewiki_db::WRITE($row);
}
}
#-- call edit <form>
$o = ewiki_page($new_id);
}
return $o;
}
function ewiki_announcements($id, $data, $action)
{
global $ewiki_plugins, $ewiki_config;
if (!isset($GLOBALS['ewiki_auth_user'])) {
return;
}
$notifyDates = ewiki_get_uservar("NotifyDates", FALSE);
if (!$notifyDates) {
$notifyDates = $ewiki_config["DefaultNotify"];
} else {
$notifyDates = unserialize($notifyDates);
}
foreach ($notifyDates as $pageName => $date) {
$data = ewiki_db::GET($pageName);
if (EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING && !ewiki_auth($pageName, $data, "view")) {
continue;
}
if ($data['lastmodified'] > $date) {
$dispDate = $data['lastmodified'];
$dispPage = $pageName;
break;
}
}
if (!isset($dispPage)) {
return;
}
$notifyDates[$dispPage] = $dispDate;
ewiki_set_uservar("NotifyDates", serialize($notifyDates));
$o = ewiki_page('view/' . $dispPage);
//page_final plugins have been run, unset them
unset($ewiki_plugins["page_final"]);
return $o;
}
function ewiki_page_wantedpages($id, $data, $action)
{
#-- collect referenced pages
$result = ewiki_db::GETALL(array("refs"));
while ($row = $result->get()) {
if (EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING && !ewiki_auth($row["id"], $uu, "view")) {
continue;
}
$refs .= $row["refs"];
}
#-- build array
$refs = array_unique(explode("\n", $refs));
#-- strip existing pages from array
$refs = ewiki_db::FIND($refs);
foreach ($refs as $id => $exists) {
if (EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING && !ewiki_auth($row["id"], $uu, "view")) {
continue;
}
if (!$exists && !strstr($id, "://") && strlen(trim($id))) {
$wanted[] = $id;
}
}
#-- print out
$o .= "<ul>\n";
foreach ($wanted as $page) {
$o .= " <li>" . ewiki_link($page) . "</li>\n";
}
$o .= "<ul>\n";
return $o;
}
function ewiki_edit_load_template($id, &$data, $action)
{
if ($id = $_REQUEST["load_template"]) {
$d2 = ewiki_db::GET($id);
$data["content"] = $d2["content"];
}
}
function ewiki_view_append_linktree($id, $data, $action)
{
global $ewiki_config;
$refs = ewiki_db::GETALL(array("refs"));
$refs = ewiki_f_parent_refs($refs);
#-- $dest
if (empty($ewiki_config["root_page"])) {
if (defined("EWIKI_LINKTREE_DEST")) {
$ewiki_config["root_page"] = EWIKI_LINKTREE_DEST;
} else {
$ewiki_config["root_page"] = EWIKI_PAGE_INDEX;
}
}
$dest =& $ewiki_config["root_page"];
$depth = 0;
$paths = array($id => $id);
$current = $id;
/*
* $paths["Current"] = "Current";
* $paths["WorldWideWeb\nWikiWikiWeb\nErfurtWiki"] = "ErfurtWiki";
*/
#-- retry until at least one $path is found
while (!in_array($dest, $paths) && $depth <= 15 && count($paths) <= 100000) {
$depth++;
#-- expand every last path entry
foreach ($paths as $pathkey => $uu) {
#-- mk subkey from pathkey
if ($p = strrpos($pathkey, "\n")) {
$lkey = substr($pathkey, $p + 1);
} else {
$lkey = $pathkey;
}
#-- append tree leafs
if ($walk = $refs[$lkey]) {
foreach ($walk as $add => $uu) {
$paths[$pathkey . "\n" . $add] = $add;
}
unset($refs[$lkey]);
}
}
}
#-- print results
foreach ($paths as $key => $name) {
$tree = array_reverse(explode("\n", $key));
$GLOBALS["ewiki_page_sections"] = array();
if ($name == $dest && count($tree) >= 2) {
$GLOBALS["ewiki_page_sections"][] = $tree[1];
if (EWIKI_LINKTREE_UL) {
$o .= ewiki_f_tree($tree, 0);
} else {
$o .= ewiki_f_tree2($tree, 0);
}
}
}
$o && ($o = "<div class=\"link-tree\">{$o}</div>\n");
return $o;
}
function ewiki_page_gnu_diff_safemode($id, &$data, $action)
{
#-- different operation modes of GNU diff:
$OPTIONS = " -B -u -U 50 ";
# $OPTIONS = " -B ";
# $OPTIONS = " -c ";
# $OPTIONS = " --side-by-side ";
#-- fetch old wiki source
if (($old_ver = ($new_ver = $data["version"]) - 1) > 0) {
$data0 = ewiki_db::GET($id, $old_ver);
}
$o = ewiki_make_title($id, "Differences between version {$new_ver} and {$old_ver} of »{$id}«");
#-- create temporary files from wikipages
$file0 = tempnam(EWIKI_TMP, "ewiki.diff.gnu.");
$f = fopen($file0, "w");
fwrite($f, $data0["content"]);
fclose($f);
$file1 = tempnam(EWIKI_TMP, "ewiki.diff.gnu.");
$f = fopen($file1, "w");
fwrite($f, $data["content"]);
fclose($f);
#-- parse thru GNU diff util
$fn = addslashes($id);
$OPTIONS .= " --label='{$fn} (version {$old_ver})' --label='{$fn} (version {$new_ver})' ";
//following lines replace the original
//$diff = shell_exec("diff $OPTIONS $file0 $file1");
$dfd = popen("diff {$OPTIONS} {$file0} {$file1}", "r");
$diff = "";
while (!feof($dfd)) {
$diff .= fread($dfd, 5000);
}
pclose($dfd);
//end of moderation
#-- remove temporary files
unlink($file0);
unlink($file1);
#-- encolor diff output
foreach (explode("\n", $diff) as $dl) {
$str = substr($dl, 1);
switch (substr($dl, 0, 1)) {
case "<":
case "-":
$o .= "<b>-</b><font color=\"#990000\"> <tt>{$str}</tt></font><br />\n";
break;
case ">":
case "+":
$o .= "<b>+</b><font color=\"#009900\"> <tt>{$str}</tt></font><br />\n";
break;
case "*":
case "-":
break;
default:
$o .= "<small><tt>{$dl}</tt></small><br />";
}
}
return $o;
}
function ewiki_mpi_survey($action, &$args, &$iii, &$s)
{
global $ewiki_id, $ewiki_plugins;
$o = "";
#-- load data page
if (!($df = $args["data"])) {
return;
}
unset($args["data"]);
unset($args["_"]);
unset($args[""]);
$data = ewiki_db::GET($df);
if (!$data["version"]) {
$data = ewiki_new_data($df, EWIKI_DB_F_BINARY);
$data["version"]--;
}
if ($data["flags"] != EWIKI_DB_F_BINARY) {
return;
}
$survey = unserialize($data["content"]);
#-- operation
$vote = @$_REQUEST[EWIKI_UP_SURVEY];
if ($vote == "\$") {
$action = "show";
}
if ($action == "html") {
#-- show entries
if (!$vote) {
$o = "\n" . '<form action="' . $_SERVER["REQUEST_URI"] . '" method="POST" enctype="multipart/form-data">' . '<input type="hidden" name="id" value="' . htmlentities($ewiki_id) . '">' . "\n";
foreach ($args as $name => $text) {
if (!$name || !$text || $name == "data") {
continue;
}
$o .= '<input type="radio" name="' . EWIKI_UP_SURVEY . '" value="' . htmlentities($name) . '"> ' . $text . "<br />\n";
}
$o .= '<input type="submit" value="vote">';
$o .= "\n</form>\n<br /><br />\n";
$o .= '<a href="' . ewiki_script("", $ewiki_id, array(EWIKI_UP_SURVEY => "\$")) . '">show results</a><br />';
}
#-- store an entry
if ($vote) {
$survey[$vote]++;
$data["content"] = serialize($survey);
$data["version"]++;
$data["lastmodified"] = time();
$data["author"] = ewiki_author();
ewiki_db::WRITE($data);
#-- show it
$action = "show";
}
}
if ($action == "show") {
$o .= $ewiki_plugins["view_stat"][0]($survey, $args);
}
return $o;
}
function ewiki_add_thread($id, $data, $action)
{
global $ewiki_plugins;
$id = $id . EWIKI_THREAD_SEPARATOR . $_REQUEST['threadname'];
$save = array("id" => $id, "version" => 1, "flags" => '', "content" => " ", "author" => ewiki_author(), "lastmodified" => time(), "created" => time(), "meta" => array('isThread' => '1'), "hits" => 0, "refs" => "");
if (!ewiki_db::WRITE($save)) {
return ewiki_t("ERRORSAVING");
}
return ewiki_add_post($id, array(), 'addpost');
}
function ewiki_trigger_spam_watchonly($id, &$data, &$action, $pf_i)
{
#-- fetch list of tracked pages
if ($d = ewiki_db::GET("WatchSpam")) {
(array) ($ewiki_config["watchspam"] += explode("\n", trim($d["refs"])));
}
#-- disable all bot-blocking plugins?
if (!ewiki_in_array($id, $ewiki_config["watchspam"])) {
$GLOBALS["ewiki_no_bot"] = 1;
} elseif ($action == "edit") {
ewiki_log("someone is {$action}ing specifically watched page '{$id}'", 2);
}
}
function ewiki_edit_helptext($id, &$data, &$hpost)
{
global $ewiki_t;
if ($help = ewiki_db::GET("EditingHelp")) {
$help = ewiki_format($help["content"]);
if ($l = strpos($help, "<hr")) {
$ewiki_t["en"]["EDIT_FORM_1"] = substr($help, 0, $l);
$l = strpos($help, ">", $l);
$help = substr($help, $l + 1);
}
$ewiki_t["en"]["EDIT_FORM_2"] = $help;
}
}
function ewiki_pingback_rpc($source_url, $target_url)
{
global $ewiki_config;
#-- does the target URL refer to a known WikiPage ?
$id = ewiki_url2id($target_url);
if (!$id) {
xmlrpc_send_response(xmlrpc_error(0x21, "Could not determine PageName for the given target URL."));
}
if (!($data = ewiki_db::GET($id))) {
xmlrpc_send_response(xmlrpc_error(0x20, "The given target page does not exist."));
}
#-- check if the caller really has a link as he claims
ini_set("user_agent", $ewiki_config["ua"]);
if (strpos($source_url, "http://") === 0 && ($test = ewiki_http_asis($source_url, 96256))) {
$test = strtolower($test);
$test_url = strtolower($target_url);
if (!strpos($test, $test_url) and !strpos($test, htmlentities($test_url))) {
return xmlrpc_error(0x11, "Sorry, but couldn't find a link to '{$target_url}' on your given '{$source_url}' page.");
}
} else {
return xmlrpc_error(0x10, "Your given source URL does not exist, could not be retrieved.");
}
#-- reject other frivolous links
if (preg_match('#^http://[^/]+/?$#', $source_url)) {
return xmlrpc_error(0x11, "Rejected '{$source_url}' as frivolous.");
}
#-- check write permissions
if (EWIKI_DB_F_TEXT != $data["flags"] & EWIKI_DB_F_TYPE or $data["flags"] & EWIKI_DB_F_READONLY) {
return xmlrpc_error(0x31, "Sorry, but this page is write-protected or not a system page.");
}
#-- already on page
if (strpos($data["content"], $source_url)) {
return xmlrpc_error(0x30, "The given link does already exist on this page.");
}
#-- other go-away cases
if (function_exists("ewiki_banned_url") && ewiki_banned_url($source_url) || function_exists("ewiki_blocked_url") && ewiki_blocked_url($source_url)) {
return xmlrpc_error(0x100, "Your link is unwanted here (registered on BlockedLinks or BannedLinks).");
}
#-- else update page
$data["content"] = rtrim($data["content"]) . "\n* {$source_url} (PingBack)\n";
ewiki_db::UPDATE($data);
$data["version"]++;
$ok = ewiki_db::WRITE($data);
#-- fin response
if ($ok) {
return "Link to '{$source_url}' was added to page '{$id}'.";
} else {
return xmlrpc_error(0x101, "Seems like a database/writing error occoured.");
}
}
function ewiki_subpage_list($id, $postfix = "")
{
$_hiding = EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING;
$result = ewiki_db::SEARCH("id", $id . $postfix);
while ($row = $result->get()) {
#-- retrieve and check rights if running in protected mode
if ($_hiding) {
if (!ewiki_auth($row["id"], $uu, 'view', $ring = false, $force = 0)) {
continue;
}
}
$pages[$row["id"]] = "";
}
return $pages;
}
function ewiki_aview_pagetrail($id, &$data, $action)
{
if ($m = $data["meta"]["meta"]) {
#-- check for parent page
$top = $m["top"] or $top = $m["parent"] or $top = $m["group"];
if ($top) {
$t = ewiki_db::GET($top);
$t = explode("\n", trim($t["refs"]));
$n = array_search(ewiki_array($top), strtolower($t));
$prev = $t[$n - 1];
$next = $t[$n + 1];
$o = "<div class=\"page-trail\"><< " . ($prev ? ewiki_link($prev) : "") . " | " . ewiki_link($top) . " | " . ($prev ? ewiki_link($prev) : "") . " >%gt;</div>\n";
return $o;
}
}
}
function ewiki_linking_titlefix(&$title, &$href, &$href2, &$type)
{
global $ewiki_links;
$href_mod = str_replace(" ", " ", $href);
$href_mod = str_replace(' ', '_', $href);
// Edit 'Nov09: replace spaces with underscores
$find = ewiki_db::FIND(array($href_mod));
if ($find[$href_mod]) {
$str = '<a href="' . ewiki_script("", rawurlencode($href_mod)) . htmlentities($href2) . '">' . $title . '</a>';
$type = array("wikipage", "title-swapped");
} else {
$str = '<span class="NotFound"><a href="' . ewiki_script("", rawurlencode($href_mod)) . htmlentities($href2) . '">' . $title . '</a></span>';
$type = array("wikipage", "title-swapped");
}
return $str;
}
function ewiki_page_stupid_diff($id, $data, $action)
{
if ($uu = $GLOBALS["ewiki_diff_versions"]) {
list($new_ver, $old_ver) = $uu;
$data = ewiki_db::GET($id, $new_ver);
} else {
$new_ver = $data["version"];
$old_ver = $new_ver - 1;
}
if ($old_ver > 0) {
$data0 = ewiki_db::GET($id, $old_ver);
}
$o = ewiki_make_title($id, "Differences between version {$new_ver} and {$old_ver} of »{$id}«");
$o .= ewiki_stupid_diff($data["content"], $data0["content"]);
return $o;
}
function ewiki_mpi_phpwiki_allusers($action, &$args, &$iii, &$s)
{
$authors = array();
$result = ewiki_db::GETALL(array("author"));
while ($row = $result->get()) {
if ($uu = strtok($row["author"], "(")) {
$authors[trim($uu)] = 1;
}
}
$authors = array_keys($authors);
natcasesort($authors);
foreach ($authors as $a) {
$o .= "· " . ewiki_link_regex_callback(array($a)) . "<br />\n";
}
return $o;
}
function ewiki_plural_alternative($id)
{
#-- make possible plural/singular $id versions
$variants = ewiki_plural_variants($id);
array_shift($variants);
# skip original
#-- search in DB
$variants = ewiki_db::FIND($variants);
foreach ($variants as $new_id => $exists) {
if ($new_id && $exists) {
return $new_id;
}
}
#-- none found
return false;
}
function ewiki_mpi_registerspam($action, &$args, &$iii, &$s)
{
global $ewiki_id;
if (!$_POST["regspam"]) {
return <<<END
<form action="{$_SERVER['REQUEST_URI']}" method="POST" enctype="multipart/form-data">
<textarea name="add_spam" cols="50" rows="3"></textarea><br/>
<input type="submit" name="regspam" value="add listed urls" />
</form>
END;
} else {
#-- scan for links
$text = $_REQUEST["add_spam"];
ewiki_scan_wikiwords($text, $uu);
$ls = array();
foreach ($uu as $href => $uu) {
if ($l = strpos($href, "://")) {
// filter out redundant pattern parts
$href = substr($href, $l + 3);
if (strpos($href, "www.") === 0) {
$href = substr($href, 4);
}
$href = trim($href, "/");
$ls[] = strtok($href, " ");
}
}
#-- reduce
$ls = array_unique($ls);
$data = ewiki_db::GET($ewiki_id);
foreach (explode("\n", trim($data["refs"])) as $href) {
if (in_array($href, $ls)) {
unset($ls[array_search($href, $ls)]);
}
}
#-- add to current page
if ($ls) {
$inj = "* [" . implode("], [", $ls) . "]\n";
$data["content"] = preg_replace("/(^[-*#])/m", "{$inj}\$1", $data["content"], 1);
ewiki_db::UPDATE($data);
$data["version"]++;
ewiki_db::WRITE($data);
return "\n<div class=\"system-message ok\">new links added as patterns here (please go back and reload page to see it)</div>\n";
} else {
return "\n<div class=\"system-message failure\">no new links found, please add the patterns by hand then</div>\n";
}
}
}
function ewiki_page_random(&$id, &$data, $action)
{
global $ewiki_plugins;
$result = ewiki_db::GETALL(array("flags"));
while ($row = $result->get()) {
if (EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING && !ewiki_auth($row["id"], $uu, "view")) {
continue;
}
if (($row["flags"] & EWIKI_DB_F_TYPE) == EWIKI_DB_F_TEXT) {
$pages[] = $row["id"];
}
}
$pages = array_merge($pages, $ewiki_plugins["page"]);
$n = rand(0, count($pages));
$id = $pages[$n];
return ewiki_page($id);
}
function ewiki_page_like($id, $data, $action)
{
preg_match_all("/([" . EWIKI_CHARS_U . "][" . EWIKI_CHARS_L . "]+)/", $id, $words);
$pages = array();
foreach ($words[1] as $find) {
$result = ewiki_db::SEARCH("id", $find);
while ($row = $result->get()) {
if (EWIKI_PROTECTED_MODE && EWIKI_PROTECTED_MODE_HIDING && !ewiki_auth($row["id"], $row, "view")) {
continue;
}
$pages[$row["id"]] = "";
}
}
$o = ewiki_make_title($id, ewiki_t(strtoupper($action) . "_TITLE"), 3);
$o .= ewiki_list_pages($pages, 0);
return $o;
}
