initial checkin

1 files changed, 249 insertions, 0 deletions

diff --git a/plugins/dokuwiki/inc/infoutils.php b/plugins/dokuwiki/inc/infoutils.php
new file mode 100644
index 0000000..780a468
--- /dev/null
+++ b/plugins/dokuwiki/inc/infoutils.php
@@ -0,0 +1,249 @@
+<?php
+/**
+ * Information and debugging functions
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Andreas Gohr <andi@splitbrain.org>
+ */
+if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
+if(!defined('DOKU_MESSAGEURL')) define('DOKU_MESSAGEURL','http://update.dokuwiki.org/check/');
+require_once(DOKU_INC.'inc/HTTPClient.php');
+
+/**
+ * Check for new messages from upstream
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function checkUpdateMessages(){
+    global $conf;
+    global $INFO;
+    if(!$conf['updatecheck']) return;
+    if($conf['useacl'] && $INFO['perm'] < AUTH_ADMIN) return;
+
+    $cf = $conf['cachedir'].'/messages.txt';
+    $lm = @filemtime($cf);
+
+    // check if new messages needs to be fetched
+    if($lm < time()-(60*60*24) || $lm < @filemtime(DOKU_CONF.'msg')){
+        $num = @file(DOKU_CONF.'msg');
+        $num = is_array($num) ? (int) $num[0] : 0;
+        $http = new DokuHTTPClient();
+        $http->timeout = 8;
+        $data = $http->get(DOKU_MESSAGEURL.$num);
+        io_saveFile($cf,$data);
+    }else{
+        $data = io_readFile($cf);
+    }
+
+    // show messages through the usual message mechanism
+    $msgs = explode("\n%\n",$data);
+    foreach($msgs as $msg){
+        if($msg) msg($msg,2);
+    }
+}
+
+
+/**
+ * Return DokuWikis version
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function getVersion(){
+  //import version string
+  if(@file_exists('VERSION')){
+    //official release
+    return 'Release '.trim(io_readfile(DOKU_INC.'/VERSION'));
+  }elseif(is_dir('_darcs')){
+    //darcs checkout - read last 2000 bytes of inventory
+    $sz   = filesize('_darcs/inventory');
+    $seek = max(0,$sz-2000);
+    $fh   = fopen('_darcs/inventory','rb');
+    fseek($fh,$seek);
+    $chunk = fread($fh,2000);
+    fclose($fh);
+    $inv = preg_grep('#\*\*\d{14}[\]$]#',explode("\n",$chunk));
+    $cur = array_pop($inv);
+    preg_match('#\*\*(\d{4})(\d{2})(\d{2})#',$cur,$matches);
+    return 'Darcs '.$matches[1].'-'.$matches[2].'-'.$matches[3];
+  }else{
+    return 'snapshot?';
+  }
+}
+
+/**
+ * Run a few sanity checks
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function check(){
+  global $conf;
+  global $INFO;
+
+  msg('DokuWiki version: '.getVersion(),1);
+
+  if(version_compare(phpversion(),'4.3.3','<')){
+    msg('Your PHP version is too old ('.phpversion().' vs. 4.3.3+ recommended)',-1);
+  }elseif(version_compare(phpversion(),'4.3.10','<')){
+    msg('Consider upgrading PHP to 4.3.10 or higher for security reasons (your version: '.phpversion().')',0);
+  }else{
+    msg('PHP version '.phpversion(),1);
+  }
+
+  if(is_writable($conf['changelog'])){
+    msg('Changelog is writable',1);
+  }else{
+    if (@file_exists($conf['changelog'])) {
+      msg('Changelog is not writable',-1);
+    }
+  }
+
+  if (isset($conf['changelog_old']) && @file_exists($conf['changelog_old'])) {
+    msg('Old changelog exists', 0);
+  }
+
+  if (@file_exists($conf['changelog'].'_failed')) {
+    msg('Importing old changelog failed', -1);
+  } else if (@file_exists($conf['changelog'].'_importing')) {
+    msg('Importing old changelog now.', 0);
+  } else if (@file_exists($conf['changelog'].'_import_ok')) {
+    msg('Old changelog imported', 1);
+    if (!plugin_isdisabled('importoldchangelog')) {
+      msg('Importoldchangelog plugin not disabled after import', -1);
+    }
+  }
+
+  if(is_writable($conf['datadir'])){
+    msg('Datadir is writable',1);
+  }else{
+    msg('Datadir is not writable',-1);
+  }
+
+  if(is_writable($conf['olddir'])){
+    msg('Attic is writable',1);
+  }else{
+    msg('Attic is not writable',-1);
+  }
+
+  if(is_writable($conf['mediadir'])){
+    msg('Mediadir is writable',1);
+  }else{
+    msg('Mediadir is not writable',-1);
+  }
+
+  if(is_writable($conf['cachedir'])){
+    msg('Cachedir is writable',1);
+  }else{
+    msg('Cachedir is not writable',-1);
+  }
+
+  if(is_writable($conf['lockdir'])){
+    msg('Lockdir is writable',1);
+  }else{
+    msg('Lockdir is not writable',-1);
+  }
+
+  if(is_writable(DOKU_CONF.'users.auth.php')){
+    msg('conf/users.auth.php is writable',1);
+  }else{
+    msg('conf/users.auth.php is not writable',0);
+  }
+
+  if(function_exists('mb_strpos')){
+    if(defined('UTF8_NOMBSTRING')){
+      msg('mb_string extension is available but will not be used',0);
+    }else{
+      msg('mb_string extension is available and will be used',1);
+    }
+  }else{
+    msg('mb_string extension not available - PHP only replacements will be used',0);
+  }
+
+  if($conf['allowdebug']){
+    msg('Debugging support is enabled. If you don\'t need it you should set $conf[\'allowdebug\'] = 0',-1);
+  }else{
+    msg('Debugging support is disabled',1);
+  }
+
+  msg('Your current permission for this page is '.$INFO['perm'],0);
+
+  if(is_writable($INFO['filepath'])){
+    msg('The current page is writable by the webserver',0);
+  }else{
+    msg('The current page is not writable by the webserver',0);
+  }
+
+  if($INFO['writable']){
+    msg('The current page is writable by you',0);
+  }else{
+    msg('The current page is not writable by you',0);
+  }
+}
+
+/**
+ * print a message
+ *
+ * If HTTP headers were not sent yet the message is added
+ * to the global message array else it's printed directly
+ * using html_msgarea()
+ *
+ *
+ * Levels can be:
+ *
+ * -1 error
+ *  0 info
+ *  1 success
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ * @see    html_msgarea
+ */
+function msg($message,$lvl=0,$line='',$file=''){
+  global $MSG;
+  $errors[-1] = 'error';
+  $errors[0]  = 'info';
+  $errors[1]  = 'success';
+  $errors[2]  = 'notify';
+
+  if($line || $file) $message.=' ['.basename($file).':'.$line.']';
+
+  if(!headers_sent()){
+    if(!isset($MSG)) $MSG = array();
+    $MSG[]=array('lvl' => $errors[$lvl], 'msg' => $message);
+  }else{
+    $MSG = array();
+    $MSG[]=array('lvl' => $errors[$lvl], 'msg' => $message);
+    if(function_exists('html_msgarea')){
+      html_msgarea();
+    }else{
+      print "ERROR($lvl) $message";
+    }
+  }
+}
+
+/**
+ * print debug messages
+ *
+ * little function to print the content of a var
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function dbg($msg,$hidden=false){
+  (!$hidden) ? print '<pre class="dbg">' : print "<!--\n";
+  print_r($msg);
+  (!$hidden) ? print '</pre>' : print "\n-->";
+}
+
+/**
+ * Print info to a log file
+ *
+ * @author Andreas Gohr <andi@splitbrain.org>
+ */
+function dbglog($msg){
+  global $conf;
+  $file = $conf['cachedir'].'/debug.log';
+  $fh = fopen($file,'a');
+  if($fh){
+    fwrite($fh,date('H:i:s ').$_SERVER['REMOTE_ADDR'].': '.$msg."\n");
+    fclose($fh);
+  }
+}
+