barryserver-git
Barry Fixing XSS and RCE vulnerabilities f3862a9 (3 years, 11 months ago)
<?php
/*
* Copyright (C) 2020 BarryServer
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
/* TITLE: Title of the site */
$TITLE = "BarryServer : Git";
/* ROOT: The location of this script in your document root
* e.g. "example.com/abc/git.php" = "/abc",
* "example.com/git.php" = ""
*/
$ROOT = "";
/* SCRIPT: Name of the script after alias by server
* e.g. "example.com/git" -> "example.com/git.php" = "/git"
*/
$SCRIPT = "";
/* ORIGINAL: The location of all the git repositories */
$ORIGINAL = "/home/git";
/* BRANCH: The default branch to use */
$BRANCH = "master";
/* DESCRIPTION: Description of the site */
$DESCRIPTION = "A BarryServer Git Browser";
/* FOOTER: Text displayed at the bottom of each page */
$FOOTER = "BarryServer Git Browser";
ob_start();
?>
<!DOCTYPE html>
<html>
<head>
<title><?php echo $TITLE; ?></title>
<style>
/* Main Page */
body {
width: 90%;
max-width: 1180px;
min-width: 480px;
margin-left: auto;
margin-right: auto;
margin-top: 24px;
background-color: #0D0D0D;
color: white;
font-size: 1.1em;
}
/* Headings */
h1,h2,h3,h4,h5,h6 {
color: orange;
text-shadow: 2px 2px black;
display: block;
text-align: center;
}
/* Selected Links */
a:active, a:focus {
outline: none;
color: red;
}
/* Links */
a, a:visited {
color: blue;
}
/* Folders, Files, Repositories and Branches*/
.folder, .file, .repo, .branch {
background-color: #2D2D2D;
color: white;
padding: 8px;
border: 1px solid orange;
width: calc(100% - 18px);
width: -webkit-fill-available;
display: inline-block;
margin-bottom: 4px;
text-decoration: none;
}
/* Selected and Hovered Over Folders, Files, Repositories and Branches */
.folder:focus, .file:focus, .repo:focus, .branch:focus, .folder:hover, .file:hover, .repo:hover, .branch:hover {
background-color: #3D3D3D;
}
/* Selected Folders, Files, Repositories and Branches */
.folder:focus, .file:focus, .repo:focus, .branch:focus {
border: 1px solid blue;
color: white;
}
/* Visited Folders, Files, Repositories and Branches */
.folder:active, .file:active, .repo:active, .branch:active, .folder:visited, .file:visited, .repo:visited, .branch:visited {
color: white;
}
/* Icons */
.folder::before {
content: '🗁 ';
}
.file::before {
content: '🖹 ';
}
.repo::before {
content: '🕮 ';
}
.branch::before {
content: '⑃ ';
}
/* File Path */
.path {
font-weight: bold;
color: orange;
}
.path a:focus, .path a:active {
color: red;
}
/* Description Text */
.description {
display: block;
text-align: center;
}
/* Footer Text */
.footer {
display: block;
text-align: center;
}
/* 404 */
.error {
display: block;
text-align: center;
}
/* Clone Text */
.clone {
font-style: italic;
color: lightgray;
display: inline-block;
}
/* Raw Link */
.raw-link {
font-weight: bold;
float: right;
display: inline-block;
}
/* File Content */
pre {
border: 2px solid yellow;
background-color: black;
padding: 4px;
-moz-tab-size: 2;
tab-size: 2;
white-space: pre-wrap;
word-wrap: break-word;
}
/* Readme Documents */
.readme {
text-align: left;
}
hr.readme {
border: 1px solid white;
}
li.readme {
margin-left: 40px;
}
/* Scrollbar */
::-webkit-scrollbar {width: 10px; height: 10px;}
::-webkit-scrollbar-track {background: #0D0D0D;}
::-webkit-scrollbar-thumb {background: orange;}
::-webkit-scrollbar-thumb:hover {background: #BB6100;}
::-webkit-scrollbar-corner {background: #0D0D0D;}
</style>
</head>
<body>
<h1><?php echo $TITLE; ?></h1>
<?php
$path = $_SERVER["PATH_INFO"];
$path = str_replace("\"","\\\"",$path);
$path = str_replace("'","\'",$path);
$path = str_replace("$","\$",$path);
$path = str_replace(")","\)",$path);
$path = str_replace("(","\(",$path);
$path = str_replace("`","\`",$path);
$path = str_replace("|","\|",$path);
if (!isset($path) || $path === "") {header("Location: ".$ROOT.$SCRIPT."/");}
echo " <span class=\"path\"><a href=\"".$ROOT.$SCRIPT."/\">".$TITLE."</a>";
$full = $ROOT.$SCRIPT;
foreach (explode("/", substr($path,1)) as $part) {
$full .= "/".htmlspecialchars($part);
echo "/<a href=\"".$full."\">".htmlspecialchars($part)."</a>";
}
echo "</span><br><br>\n";
if ($path === "/") {
echo " <span class=\"clone\">git clone git://".$_SERVER["SERVER_NAME"]."/<repo>.git</span><br><br>\n";
$repos = preg_grep("/(.git)$/", scandir($ORIGINAL));
foreach ($repos as $repo) {
$desc = file_get_contents($ORIGINAL."/".$repo."/description");
echo "<a href=\"".$ROOT.$SCRIPT."/".substr($repo,0,-4)."/".$BRANCH."\" class=\"repo\"><b>".substr($repo,0,-4)."</b> :: ".$desc."</a><br>";
}
} else {
$repo = explode("/", substr($path,1))[0];
if (!is_dir($ORIGINAL."/".$repo.".git")) {
echo " <span class=\"error\">\n <b>404! Repository not found!</b><br>\n";
echo " [<a href=\"".$ROOT.$SCRIPT."/\">RETURN</a>]\n </span>\n";
} else {
$branch = explode("/", substr($path,1))[1];
echo " <span class=\"clone\">git clone ";
if ($branch !== $BRANCH && $branch !== "") {echo "-b ".$branch." ";}
echo "<a href=\"git://".$_SERVER["SERVER_NAME"]."/".$repo.".git\">git://".$_SERVER["SERVER_NAME"]."/".$repo.".git</a></span>\n";
$rest = implode("/",array_slice(explode("/", substr($path,1)),2));
chdir($ORIGINAL."/".$repo.".git");
if (!isset($branch)) {header("Location: ".$ROOT.$SCRIPT."/".$repo."/");}
if (substr($path,-1) !== "/" && $rest === "" && $branch !== "" && isset($branch)) {header("Location: ".$ROOT.$SCRIPT."/".$repo."/".$branch."/");}
if ($branch === "") {
echo "<br><br>\n";
$branches = shell_exec("git show-branch");
foreach (explode("\n",$branches) as $cbranch) {
echo preg_replace("/\[(.+)\] (.+)/","<a href=\"".$ROOT.$SCRIPT."/".$repo."/$1\" class=\"branch\">$1</a>",$cbranch)."<br>";
}
} else {
$files = shell_exec("git ls-tree --full-name ".$branch." ".$rest);
if (substr($rest,-1) !== "/" && $rest !== "") {
if (explode(" ",explode("\n",$files)[0])[1] === "tree") {header("Location: ".$ROOT.$SCRIPT."/".$repo."/".$branch."/".$rest."/");}
}
if (substr($rest,-1) === "/" && $rest !== "") {
if (explode(" ",explode("\n",shell_exec("git ls-tree --full-name ".$branch." ".substr($rest,0,-1)))[0])[1] === "blob") {header("Location: ".$ROOT.$SCRIPT."/".$repo."/".$branch."/".substr($rest,0,-1));}
}
if ($rest === "") {$ctype = "tree";} else {
if (substr($rest,-1) === "/") {
$ctype = "tree";
} else {
$ctyle = "blob";
}
}
if ($ctype === "tree") {
$folderstxt = "";
if ($rest !== "") {$folderstxt .= " <a href=\"../\" class=\"folder\">../</a><br>\n";}
$filestxt = "";
foreach (explode("\n",$files) as $file) {
$name = explode(" ",$file);
if ($name[1] == "tree") {
$folderstxt .= " <a href=\"".$ROOT.$SCRIPT."/".$repo."/".$branch."/".explode("\t",$name[2])[1]."/\" class=\"folder\">".end(explode("/",explode("\t",$name[2])[1]))."/</a><br>\n";
}
if ($name[1] == "blob") {
$filestxt .= " <a href=\"".$ROOT.$SCRIPT."/".$repo."/".$branch."/".explode("\t",$name[2])[1]."\" class=\"file\">".end(explode("/",explode("\t",$name[2])[1]))."</a><br>\n";
}
}
echo "<br><br>\n";
echo $folderstxt;
echo $filestxt;
if ($readmefile = shell_exec("git ls-tree --full-name ".$branch." ".$rest."README")) {
$readme = shell_exec("git cat-file -p ".explode("\t",explode(" ",explode("\n",$readmefile)[0])[2])[0]);
$readme = preg_replace("/>/",">",$readme);
$readme = preg_replace("/</","<",$readme);
$readme = preg_replace("/(^|\n)# (.+)/","<h1 class=\"readme\">$2</h1>",$readme);
$readme = preg_replace("/(^|\n)## (.+)/","<h2 class=\"readme\">$2</h2>",$readme);
$readme = preg_replace("/(^|\n)### (.+)/","<h3 class=\"readme\">$2</h3>",$readme);
$readme = preg_replace("/(^|\n)#### (.+)/","<h4 class=\"readme\">$2</h4>",$readme);
$readme = preg_replace("/(^|\n)##### (.+)/","<h5 class=\"readme\">$2</h5>",$readme);
$readme = preg_replace("/(^|\n)###### (.+)/","<h6 class=\"readme\">$2</h6>",$readme);
$readme = preg_replace("/```([^`]+)```/","<pre style=\"color:magenta;font-style:italic\">$1</pre>",$readme);
$readme = preg_replace("/`([^`]+)`/","<span style=\"color:magenta;font-style:italic\">$1</span>",$readme);
$readme = preg_replace("/(^|\n)---($|\n)/","<br><hr class=\"readme\">",$readme);
$readme = preg_replace("/(^|\n) - (.*)/","<li class=\"readme\">$2</li>",$readme);
$readme = preg_replace("/\n\n/","<br>",$readme);
$readme = preg_replace("/\[img src=\"([^\"]+)\"\]/","<img src=\"$1\" class=\"readme\" style=\"max-width:100%\" />",$readme);
$readme = preg_replace("/\[link src=\"([^\"]+)\"\]/","<a href=\"$1\" class=\"readme\">$1</a>",$readme);
echo " <br>\n ".$readme;
}
} else {
if (shell_exec("git ls-tree --full-name ".$branch." ".$rest)) {
$content = shell_exec("git cat-file -p ".explode("\t",explode(" ",explode("\n",$files)[0])[2])[0]);
if (isset($_GET["raw"])) {
ob_clean();
header("Content-type: text/plain");
echo $content;
die();
}
echo "<a class=\"raw-link\" href=\"?raw\">Raw View</a>";
echo "<pre>\n".htmlspecialchars($content)."</pre>\n";
} else {
echo " <span class=\"error\">\n <b>404! File not found!</b><br>\n";
echo " [<a href=\"".$ROOT.$SCRIPT."/".$repo."/".$branch."\">RETURN</a>]\n </span>\n";
}
}
}
}
}
if ($DESCRIPTION !== "" && $path === "/") {
echo " <br><br>\n";
echo " <span class=\"description\">".$DESCRIPTION."</span>\n";
}
if ($FOOTER !== "") {
echo " <br><br>\n";
echo " <small class=\"footer\">".$FOOTER."</small>\n";
}
?>
</body>
</html>