+++ /dev/null
-<?php
-
-/*
- Allows to download a tarball including all WikiPages and images that
- currently are in the database.
-*/
-
-
-#-- text
-$ewiki_t["en"]["WIKIDUMP"] = "Here you can download all pages of this Wiki in HTML format at once. They'll get packed into a an archive of the UNIX .tar format.";
-$ewiki_t["en"]["download tarball"] = "Download Tarball";
-$ewiki_t["en"]["with images"] = "With images";
-$ewiki_t["en"]["complete .html files"] = "Complete HTMLfiles";
-$ewiki_t["en"]["include virtual pages"] = "Include virtual pages";
-
-$ewiki_t["de"]["WIKIDUMP"] = "Du kannst dir hier alle Seiten des Wikis im HTML-Format herunterladen. Das Archiv wird im UNIX .tar Format erstellt.";
-$ewiki_t["de"]["download tarball"] = "tarball herunterladen";
-$ewiki_t["de"]["with images"] = "mit Graphiken";
-$ewiki_t["de"]["complete .html files"] = "vollständige .html Dateien";
-$ewiki_t["de"]["include virtual pages"] = "auch virtuelle Seiten";
-
-#-- glue
-$ewiki_plugins["page"]["WikiDump"] = "ewiki_page_wiki_dump_tarball";
-
-
-
-#-- template (if $fullhtml)
-function ewiki_dump_template($id, $content, $linksto=0, $html_ext=".html") {
-
- $title = $head_title = ewiki_split_title($id);
- if ($linksto != 0) {
- $title = '<a href="' . urlencode(urlencode($id)). (($linksto>0) ? '.links':''). $html_ext . '">' . $title . '</a>';
- }
- $version = EWIKI_VERSION;
-
- return <<<EOT
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
-<html>
-<head>
- <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
- <title>$head_title</title>
- <meta name="generator" content="WikiDump, ewiki/$version">
-</head>
-<body bgcolor="#ffffff";>
-<h2>$title</h2>
-$content
-</body>
-</html>
-EOT;
-}
-
-
-
-function ewiki_page_wiki_dump_tarball($id, $data, $action) {
-
- #-- return legacy page
- if (empty($_REQUEST["download_tarball"])) {
- $url = ewiki_script("", $id);
- return(ewiki_make_title($id, $id, 2) . ewiki_t(<<<END
-_{WIKIDUMP}
-<br /><br />
-<form action="$url" method="POST" enctype="multipart/form-data">
-<input type="hidden" name="id" value="$id">
-<input type="submit" name="download_tarball" value="_{download tarball}">
-<br /><br />
-<input type="checkbox" name="dump_images" value="1"> _{with images}<br />
-<input type="checkbox" name="dump_virtual" value="1"> _{include virtual pages}<br />
-<input type="checkbox" name="dump_fullhtml" value="1" checked> _{complete .html files}<br />
- <input type="checkbox" name="dump_linksto" value="1"> _{with backlink pages}<br />
-</form>
-END
- ));
- }
- #-- tarball generation
- else {
- $di = $_REQUEST["dump_images"];
- $fh = $_REQUEST["dump_fullhtml"];
- $bl = $_REQUEST["dump_linksto"];
- $vp = $_REQUEST["dump_virtual"];
- $_REQUEST = $_GET = $_POST = array();
- set_time_limit(180);
- ewiki_page_wiki_dump_send($di, $fh, $vp, $bl);
- }
-}
-
-
-function ewiki_page_wiki_dump_send($imgs=1, $fullhtml=0, $virtual=0, $linksto=0) {
-
- global $ewiki_config, $ewiki_plugins;
-
- #-- 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";
- $ewiki_config["print_title"] = 0;
-
- #-- fetch also dynamic pages
- if ($virtual) {
- $virtual = array_keys($ewiki_plugins["page"]);
- } else {
- $virtual = array();
- }
-
-
- #-- 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=\"WikiDump.tar.gz\"");
-
- #-- start tar file
- $tarball = new ewiki_virtual_tarball();
- $tarball->open(0);
-
- #-- convert all pages
- while (($row=$result->get()) || count($virtual)) {
-
- $content = "";
-
- #-- fetch page from database
- if ($id = $row["id"]) {
- $row = ewiki_db::GET($id);
- }
- #-- virtual page plugins
- elseif ($id = array_pop($virtual)) {
- $pf = $ewiki_plugins["page"][$id];
- $content = $pf($id, $content, "view");
- $row = array(
- "flags" => EWIKI_DB_F_TEXT|EWIKI_DB_F_HTML,
- "lastmodified" => time(),
- );
- }
- else {
- break;
- }
-
- #-- file name
- $fn = $id;
- $fn = urlencode($fn);
-
- #-- post process for ordinary pages / binary data
- if (empty($content))
- switch ($row["flags"] & EWIKI_DB_F_TYPE) {
-
- case (EWIKI_DB_F_TEXT):
- $content = ewiki_format($row["content"]);
- break;
-
- case (EWIKI_DB_F_BINARY):
- if (($row["meta"]["class"]=="image") && ($imgs)) {
- $content = &$row["content"];
- }
- else {
- return;
- }
- break;
-
- default:
- # don't want it
- continue;
- }
-
- #-- size check
- if (empty($content)) {
- continue;
- }
-
- #-- for tarball
- $perms = array(
- "mtime" => $row["lastmodified"],
- "uname" => "ewiki",
- "mode" => 0664 | (($row["flags"]&EWIKI_DB_F_WRITEABLE)?0002:0000),
- );
-
- #-- html post process
- if (!($row["flags"] & EWIKI_DB_F_BINARY)) {
-
- #-- use page template
- if ($fullhtml) {
- $content = ewiki_dump_template($id, $content, $linksto);
- }
-
- #-- add links/ page
- if ($linksto) {
- $tarball->add(
- "$fn.links$html_ext",
- ewiki_dump_template(
- $id,
- ewiki_page_links($id, $row, "links"),
- $lto=-1
- ),
- $perms
- );
- }
-
- $fn .= $html_ext;
- }
-
- #-- add file
- $tarball->add(
- $fn,
- $content,
- $perms
- );
- }
-
- #-- end output
- $tarball->close();
-
- }
-
- #-- fin
- die();
-}
-
-
-
-
-############################################################################
-
-
-
-
-#-- allows to generate a tarball from virtual files
-# (supports no directories or symlinks and other stuff)
-class ewiki_virtual_tarball {
-
- var $f = 0;
-
- function open($fn="/dev/stdout") {
-
- #-- init;
- $this->f = 0;
-
- #-- file output?
- if ($fn && ($fn != "-")) {
- $this->f = gzopen("$fn", "wb9");
- }
- else {
- $_ENV["HTTP_ACCEPT_ENCODING"] = "gzip, deflate";
- $_SERVER["HTTP_ACCEPT_ENCODING"] = "gzip, deflate";
- ob_start("ob_gzhandler");
- }
- }
-
-
- function close() {
-
- #-- fill up file
- $this->write(str_repeat("\000", 9*1024));
-
- #-- close file handle
- if ($this->f) {
- gzclose($this->f);
- }
- }
-
-
- function write($str) {
- if ($this->f) {
- gzwrite($this->f, $str);
- fflush($this->f);
- }
- else {
- echo $str;
- ob_flush();
- }
- }
-
-
- function oct($int, $len) {
- $o = "\000";
- while (--$len) {
- $o = ($int & 0x07) . $o;
- $int = $int >> 3;
- }
- return($o);
- }
-
-
- #-- add virtual file
- function add($filename, $content, $args=array()) {
-
- $args = array_merge($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);
- }
-
-
-}
-
-
-
-?>
\ No newline at end of file
projects / atutor.git / blobdiff