+++ /dev/null
-<?php
-
-/*
- Allows to download a tarball including all WikiPages and images that
- currently are in the database.
-*/
-
-
-#-- text
-$ewiki_t["en"]["WIKIDUMP"] = "Here you can tailor your WikiDump to your needs. <br /> When you are ready, click the \"_{DOWNLOAD_ARCHIVE}\" button.";
-$ewiki_t["en"]["DOWNLOAD_ARCHIVE"] = "Download WikiDump";
-
-define("EWIKI_WIKIDUMP_ARCNAME", "WikiDump_");
-define("EWIKI_WIKIDUMP_DEFAULTTYPE", "TAR");
-define("EWIKI_WIKIDUMP_MAXLEVEL", 1);
-define('EWIKI_DUMP_FILENAME_REGEX',"/\W/");
-
-#-- glue
-if((function_exists(gzcompress) && EWIKI_WIKIDUMP_DEFAULTTYPE=="ZIP") || EWIKI_WIKIDUMP_DEFAULTTYPE=="TAR"){
- $ewiki_plugins["page"]["WikiDump"] = "ewiki_page_wiki_dump_tarball";
- $ewiki_plugins["action"]['wikidump'] = "ewiki_page_wiki_dump_tarball";
-}
-
-$ewiki_t["c"]["EWIKIDUMPCSS"] = '
- <style TYPE="text/css">
- <!--
- body {
- background-color:#eeeeff;
- padding:2px;
- }
-
- H2 {
- background:#000000;
- color:#ffffff;
- border:1px solid #000000;
- }
- -->
- </style>
- ';
-
-
-function ewiki_page_wiki_dump_tarball($id=0, $data=0, $action=0) {
-
- #-- return legacy page
- if (empty($_REQUEST["download_tarball"])) {
- if($action=="wikidump"){
- $url = ewiki_script("", "WikiDump");
- return(ewiki_make_title($id, $id, 2) . ewiki_t(<<<END
-_{WIKIDUMP}
-<br /><br />
-<form action="$url" method="POST" enctype="multipart/form-data">
-<input type="hidden" name="dump_id" value="$id">
-<input type="hidden" name="dump_depth" value=1>
-<input type="submit" name="download_tarball" value= "_{DOWNLOAD_ARCHIVE}">
-<br /><br />
-<input type="checkbox" name="dump_images" value="1" checked> _{with images}<br />
-<input type="hidden" name="dump_fullhtml" value="1">
-<input type="hidden" name="dump_virtual" value="0"><br />
-Archive Format:
-<select NAME="dump_arctype">
- <option VALUE="ZIP">ZIP
- <option VALUE="TAR">TAR
-</select>
-
-</form>
-END
- ));
- } else {
- return "";
- }
- }
- #-- tarball generation
- else {
- $di = $_REQUEST["dump_images"];
- $fh = $_REQUEST["dump_fullhtml"];
- $vp = $_REQUEST["dump_virtual"];
- $rp = $_REQUEST["dump_id"];
-
- #-- $_REQUEST["dump_depth"]==100 will give a complete dump
- if(($_REQUEST["dump_depth"]>EWIKI_WIKIDUMP_MAXLEVEL) && ($_REQUEST["dump_depth"]!=100)){
- $dd=EWIKI_WIKIDUMP_MAXLEVEL;
- } else {
- $dd = $_REQUEST["dump_depth"];
- }
- $at = $_REQUEST["dump_arctype"];
- $al = 9;#$_REQUEST["dump_arclevel"];
- $_REQUEST = $_GET = $_POST = array();
- if(!ewiki_auth($rp, $str_null, "view")){
- return ewiki_make_title($id, $id, 2)."<p>You either do not have permission to access the page $rp or it does not exist.</p>";
- }
- ewiki_page_wiki_dump_send($di, $fh, $vp, $rp, $dd, $at, $al);
- }
-}
-
-
-function ewiki_page_wiki_dump_send($imgs=1, $fullhtml=0, $virtual=0, $rootid, $depth=1, $arctype=EWIKI_WIKIDUMP_DEFAULTTYPE, $complevel=1) {
-
- global $ewiki_config, $ewiki_plugins;
-
- #-- disable protected email
- foreach($ewiki_plugins["link_url"] as $key => $linkplugin){
- if($linkplugin == "ewiki_email_protect_link"){
- unset($ewiki_plugins["link_url"][$key]);
- }
- }
-
- #-- set uservars
- $a_uservars = ewiki_get_uservar("WikiDump", array());
- if(!is_array($a_uservars)){
- $a_uservars = unserialize($a_uservars);
- }
- $a_uservars[$rootid] = $depth;
- ewiki_set_uservar("WikiDump", $a_uservars);
-
- #-- if $fullhtml
- $HTML_TEMPLATE = '<html>
- <head>'.ewiki_t("EWIKIDUMPCSS").'
- <title>$title</title>
- </head>
- <body bgcolor="#ffffff";>
- <div id="PageText">
- <h2>$title</h2>
- $content
- </div>
- </body>
- </html>
- ';
-
- #-- reconfigure ewiki_format() to generate offline pages and files
- $html_ext = ".htm";
- if ($fullhtml) {
- $html_ext = ".html";
- }
- $ewiki_config["script"] = "%s$html_ext";
- $ewiki_config["script_binary"] = "%s";
-
- #-- fetch also dynamic pages
- $a_virtual = array_keys($ewiki_plugins["page"]);
-
-
- #-- get all pages / binary files
- $a_validpages = ewiki_valid_pages(1, $virtual);
- $a_pagelist = ewiki_sitemap_create($rootid, $a_validpages, $depth, 1);
-
- foreach($a_pagelist as $key => $value){
- if(is_array($a_validpages[$value]["refs"])){
- foreach($a_validpages[$value]["refs"] as $refs){
- if($a_validpages[$refs]["type"]=="image"){
- $a_pagelist[]=$refs;
- }
- }
- }
- }
-
- foreach($a_pagelist as $key => $value){
- if($a_validpages[$value]["type"]=="image"){
- $a_images[]=urlencode($value);
- $a_rimages[]=urlencode(preg_replace(EWIKI_DUMP_FILENAME_REGEX, "", $value));
- unset($a_validpages[$value]);
- }
- }
-
- $a_sitemap = ewiki_sitemap_create($rootid, $a_validpages, $depth, 0);
-
- if ($a_pagelist) {
- #-- create new zip file
- if($arctype == "ZIP"){
- $archivename=EWIKI_WIKIDUMP_ARCNAME."$rootid.zip";
- $archive = new ewiki_virtual_zip();
- } elseif ($arctype == "TAR") {
- $archivename=EWIKI_WIKIDUMP_ARCNAME."$rootid.tar";
- $archive = new ewiki_virtual_tarball();
- } else {
- die();
- }
-
- $a_pagelist = array_unique($a_pagelist);
-
- #-- convert all pages
- foreach($a_pagelist as $pagename){
- if ((!in_array($pagename, $a_virtual))) {
- $id = $pagename;
- #-- not a virtual page
- $row = ewiki_db::GET($pagename);
- $content = "";
- } elseif($virtual) {
- $id = $pagename;
- #-- is a virtual page
- $pf = $ewiki_plugins["page"][$id];
- $content = $pf($id, $content, "view");
- if ($fullhtml) {
- $content = str_replace('$content', $content, str_replace('$title', $id, $HTML_TEMPLATE));
- }
- $fn = urlencode($id);
- $fn = preg_replace(EWIKI_DUMP_FILENAME_REGEX, "", $fn);
- $fn = $fn.$html_ext;
- } else {
- continue;
- }
-
- if (empty($content)){
- switch ($row["flags"] & EWIKI_DB_F_TYPE) {
- case (EWIKI_DB_F_TEXT):
- $content = ewiki_format($row["content"]);
- $content = str_replace($a_images, $a_rimages, $content);
- $fn = preg_replace(EWIKI_DUMP_FILENAME_REGEX, "", urlencode($id));
- $fn = $fn.$html_ext;
- if ($fullhtml) {
- $content = str_replace('$content', $content, str_replace('$title', $id, $HTML_TEMPLATE));
- }
- break;
-
- case (EWIKI_DB_F_BINARY):
- if (($row["meta"]["class"]=="image") && ($imgs)) {
- $fn = urlencode(preg_replace(EWIKI_DUMP_FILENAME_REGEX, "", $id));
- $content = &$row["content"];
- }
- else {
- #-- php considers switch statements as loops so continue 2 is needed to
- #-- hit the end of the for loop
- continue(2);
- }
- break;
-
- default:
- # don't want it
- continue(2);
- }
- }
-
- $content=preg_replace_callback(
- '/(<a href=")(.*?)(\.html">)/',
- create_function(
- // single quotes are essential here,
- // or alternative escape all $ as \$
- '$matches',
- 'return($matches[1].preg_replace(EWIKI_DUMP_FILENAME_REGEX,"",$matches[2]).$matches[3]);'
- ),
- $content
- );
-
- #-- add file
- $archive->add($content, $fn, array(
- "mtime" => $row["lastmodified"],
- "uname" => "ewiki",
- "mode" => 0664 | (($row["flags"]&EWIKI_DB_F_WRITEABLE)?0002:0000),
- ), $complevel);
- }
-
- #-- create index page
- $timer=array();
- $level=-1;
- $fordump=1;
- $str_formatted="<ul>\n<li><a href=\"".$rootid.$html_ext."\">".$rootid."</a></li>";
- $fin_level=format_sitemap($a_sitemap, $rootid, $str_formatted, $level, $timer, $fordump);
- $str_formatted.="</ul>".str_pad("", $fin_level*6, "</ul>\n");
- $str_formatted=preg_replace_callback(
- '/(<a href=")(.*?)(\.html">)/',
- create_function(
- // single quotes are essential here,
- // or alternative escape all $ as \$
- '$matches',
- 'return($matches[1].preg_replace(EWIKI_DUMP_FILENAME_REGEX,"",$matches[2]).$matches[3]);'
- ),
- $str_formatted
- );
-
- #-- add index page
- $archive->add($str_formatted, "Index_$rootid".$html_ext, array(
- "mtime" => $row["lastmodified"],
- "uname" => "ewiki",
- "mode" => 0664 | (($row["flags"]&EWIKI_DB_F_WRITEABLE)?0002:0000),
- ), $complevel);
-
- #-- Headers
- Header("Content-type: application/octet-stream");
- Header("Content-disposition: attachment; filename=\"$archivename\"");
- Header("Cache-control: private");
- Header("Original-Filename: $archivename");
- Header("X-Content-Type: application/octet-stream");
- Header("Content-Location: $archivename");
-
-
- #-- end output
- echo $archive->close();
-
- }
-
- #-- fin
- die();
-}
-
-
-
-
-############################################################################
-
-
-
-
-#-- allows to generate a tarball from virtual files
-# (supports no directories or symlinks and other stuff)
-class ewiki_virtual_tarball {
-
- var $f = 0;
- var $datasec = array();
-
- function close() {
- #-- fill up file
- $this->write(str_repeat("\000", 9*1024));
- $data = implode("", $this -> datasec);
- return $data;
- }
-
-
- function write($str) {
- $this ->datasec[] = $str;
- }
-
-
- function oct($int, $len) {
- $o = "\000";
- while (--$len) {
- $o = ($int & 0x07) . $o;
- $int = $int >> 3;
- }
- return($o);
- }
-
-
- #-- add virtual file
- function add($content, $filename, $args=array(), $ignored) {
- $args = array_merge($args, array(
- "mode" => 000664,
- "mtime" => time(),
- "ctime" => time(),
- "uid" => 65534, #-- common for user "nobody"
- "gid" => 65534,
- "uname" => "nobody",
- "gname" => "nobody",
- "type" => "0",
- ));
- $args["mode"] |= 0100000;
- $args["size"] = strlen($content);
- $checksum = " ";
- $magic = "ustar \000";
- $filename = substr($filename, 0, 99);
-
- #-- header record
- $header = str_pad($filename, 100, "\000") # 0x0000
- . $this->oct($args["mode"], 8) # 0x0064
- . $this->oct($args["uid"], 8) # 0x006C
- . $this->oct($args["gid"], 8) # 0x0074
- . $this->oct($args["size"], 12) # 0x007C
- . $this->oct($args["mtime"], 12) # 0x0088
- . ($checksum) # 0x0094
- . ($args["type"]) # 0x009C
- . str_repeat("\000", 100) # 0x009D
- . ($magic) # 0x0101
- . str_pad($args["uname"], 32, "\000") # 0x0109
- . str_pad($args["gname"], 32, "\000") # 0x0129
- ; # 0x0149
- $header = str_pad($header, 512, "\000");
-
- #-- calculate and add header checksum
- $cksum = 0;
- for ($n=0; $n<512; $n++) {
- $cksum += ord($header[$n]);
- }
- $header = substr($header, 0, 0x0094)
- . $this->oct($cksum, 7) . " "
- . substr($header, 0x009C);
-
- #-- output
- if ($fill = (512 - (strlen($content) % 512))) {
- $content .= str_repeat("\000", $fill);
- }
- $this->write($header . $content);
- }
-}
-
-
-class ewiki_virtual_zip
-{
- var $datasec = array();
- var $ctrl_dir = array();
- var $eof_ctrl_dir = "\x50\x4b\x05\x06\x00\x00\x00\x00";
- var $old_offset = 0;
-
- function add($data, $name, $ignored, $complevel) {
- $name = str_replace("\\", "/", $name);
- $unc_len = strlen($data);
- $crc = crc32($data);
- $zdata = gzcompress($data, $complevel);
- $zdata = substr ($zdata, 2, -4);
- $c_len = strlen($zdata);
- $fr = "\x50\x4b\x03\x04";
- $fr .= "\x14\x00";
- $fr .= "\x00\x00";
- $fr .= "\x08\x00";
- $fr .= "\x00\x00\x00\x00";
- $fr .= pack("V",$crc);
- $fr .= pack("V",$c_len);
- $fr .= pack("V",$unc_len);
- $fr .= pack("v", strlen($name) );
- $fr .= pack("v", 0 );
- $fr .= $name;
- $fr .= $zdata;
- $fr .= pack("V",$crc);
- $fr .= pack("V",$c_len);
- $fr .= pack("V",$unc_len);
-
- $this -> datasec[] = $fr;
- $new_offset = strlen(implode("", $this->datasec));
-
- $cdrec = "\x50\x4b\x01\x02";
- $cdrec .="\x00\x00";
- $cdrec .="\x14\x00";
- $cdrec .="\x00\x00";
- $cdrec .="\x08\x00";
- $cdrec .="\x00\x00\x00\x00";
- $cdrec .= pack("V",$crc);
- $cdrec .= pack("V",$c_len);
- $cdrec .= pack("V",$unc_len);
- $cdrec .= pack("v", strlen($name) );
- $cdrec .= pack("v", 0 );
- $cdrec .= pack("v", 0 );
- $cdrec .= pack("v", 0 );
- $cdrec .= pack("v", 0 );
- $cdrec .= pack("V", 32 );
- $cdrec .= pack("V", $this -> old_offset );
-
- $this -> old_offset = $new_offset;
-
- $cdrec .= $name;
- $this -> ctrl_dir[] = $cdrec;
- }
-
- function close() {
- $data = implode("", $this -> datasec);
- $ctrldir = implode("", $this -> ctrl_dir);
-
- return
- $data .
- $ctrldir .
- $this -> eof_ctrl_dir .
- pack("v", sizeof($this -> ctrl_dir)) .
- pack("v", sizeof($this -> ctrl_dir)) .
- pack("V", strlen($ctrldir)) .
- pack("V", strlen($data)) .
- "\x00\x00";
- }
-}
-
-
-?>
\ No newline at end of file
projects / atutor.git / blobdiff