Git Codebase - Sn0wlink IT

Git Codebase

Code: Download ZIP

🗀 assets

LICENSE

README.md

index.php

index.php

<?php

/*
    Git Public Codebase
    Description: A public flatfile Git repo browser.
    Author: David Collins-Cubitt
    Website: https://sn0wlink.com
    Email: david@sn0wlink.com
    Date: March 2026
*/

///////////////////////////////////////////////////////////////////////////////
// Config
///////////////////////////////////////////////////////////////////////////////

// Site Settings
$Site_Title = 'Git Codebase - Sn0wlink IT';
$Site_Description = 'Sn0wlinks public codebase repository for coding projects and codebases';
$Site_Logo = 'https://mirror.sn0wlink.com/img/git-logo-white.svg';
$Copyright_Notice = 'Git Codebase is built by Sn0wlink IT - MIT Licence - FOSS ' . date("Y") . ' - ' . $Site_Title; // Site Logo: Leave blank for no Image
$Markdown_Parsdown = 'Parsedown.php'; // // Leave this blank if you do not wish to use markdown parser file from https://github.com/erusev/parsedown
$Site_Banner_Text = ''; // Display Important news or text
$Site_Banner_Background = '#ffee00';

// Theme
$Site_Title_Background = '#002e6b';
$Site_Title_Colour = '#ffffff';
$Site_Main_Colour = '#81a3a3';
$Site_Main_Background_Colour = '#edeff7';
$Site_Title_Font = 'helvetica, arial, sans';
$Site_Main_Font = 'helvetica, arial, sans';
$Site_Favicon = 'https://mirror.sn0wlink.com/img/git-logo.svg';
$Page_Width = '1000px';

// Social
$Username = 'Sn0wlink';
$Profile_Photo = 'https://avatars.githubusercontent.com/u/2997878?v=4';
$Website_1 = 'https://sn0wlink.com';
$Website_2 = '';
$Website_3 = '';
$Mastodon_Username = 'Sn0wlink';
$Mastodon_Server = 'mastodon.social';
$About = 'Author of Git Codebase, Electro-Mechanical Engineer with a passion for computing, technology, and photography.';
$Email ='code@sn0wlink.com';
$User_Location = 'Lives in Norfolk, UK';

///////////////////////////////////////////////////////////////////////////////
// Functions
///////////////////////////////////////////////////////////////////////////////

// Get Inputs
if (ISSET($_GET['loc'])) {
    // Clean Input
    $Location_Input = htmlentities($_GET['loc']);

$Location_Input = str_replace('../', '', $Location_Input);

// Check file path is real and not above root dir
    $Root_Directory = realpath($_SERVER['DOCUMENT_ROOT']);
    $Check_Path = realpath($Root_Directory . '/' . $Location_Input);

// Check for bad directorys
    if ($Location_Input == '') {
        http_response_code(403);
        exit('Forbidden');
    }

// Check for bad directorys
    if ($Check_Path === false || strpos($Check_Path, $Root_Directory) !== 0) {
        http_response_code(403);
        exit('Forbidden');
    }

$Current_Location = $Location_Input;
}

if (ISSET($_GET['file'])) {
    // Clean Input
    $File_Input = htmlentities($_GET['file']);

$File_Input = str_replace('../', '', $File_Input);

$Root_Directory = realpath($_SERVER['DOCUMENT_ROOT']);
    $Check_Path = realpath($Root_Directory . '/' . $Current_Location . '/' . $File_Input);

// Check for bad directorys
    if ($File_Input == '') {
        http_response_code(403);
        exit('Forbidden');
    }

// Check for bad directorys
    if ($Check_Path === false || strpos($Check_Path, $Root_Directory) !== 0) {
        http_response_code(403);
        exit('Forbidden');
    }

$Selected_File = $File_Input;
}

function Site_Banner() {
    global $Site_Banner_Text;
    if ($Site_Banner_Text !== '') {
        echo "
        <div class='site_banner'>
            $Site_Banner_Text
        </div>
        ";
    }

}

function Open_Graph() {
    // Because apparently, some people use social media
    // Ref: https://ogp.me/
    global $Site_Logo;
    global $Site_Description;
    global $Current_Location;

$Open_Graph ='';

if (ISSET($_GET['loc'])) {
        $Open_Graph .= "<meta property='og:title' content='Git Codebase - $Current_Location' />\n";
        $Open_Graph .= '<meta property="og:type" content="website">';
        $Open_Graph .= "<meta property='og:description' content='$Site_Description'>";
        if ($Site_Logo !== '') {
            $Open_Graph .= "<meta property='og:image' content='$Site_Logo' />\n";
        }
        
    }

return $Open_Graph;
}

// Build the page content
function Build_Page() {

$Display = '';
    
    // Display Homepage
    if (!ISSET($_GET['loc'])) {

// Social Header Block
        $Display .= Display_Social();

// List Repositories
        $Display .= List_Repos();

return $Display;
    }

// Display Selected Page
    if (ISSET($_GET['loc'])) {
        $Display .= Display_Repo();
    }

return $Display;
}

// Site Logo
function Site_Logo() {
    global $Site_Logo;
    $Site_Logo_Image = '';
    if ($Site_Logo !== '') {
        $Site_Logo_Image .= "<img class='site_logo' src='$Site_Logo'>";
    }
    return $Site_Logo_Image;
}

// Display social header block
function Display_Social() {
    // Define variables
    global $Username;
    global $Profile_Photo;
    global $Website_1;
    global $Website_2;
    global $Website_3;
    global $Mastodon_Username;
    global $Mastodon_Server;
    global $About;
    global $Email;
    global $User_Location;

$Display_Profile_Photo ='';
    if ($Profile_Photo !== '') {
        $Display_Profile_Photo = "
            <div class='profile_photo'>
                <img class='profile_photo' src='$Profile_Photo'>
            </div>
        ";
    }

$Output = "
        <div class='page_block'>
            <div class='social_name'>$Username</div>
            $Display_Profile_Photo
            <div class='profile_spacer'></div>
            <div class='social_bio'>$About</div>

<div class='social_block'>
                <div class='social_location'>$User_Location</div>
                <div class='social_website'><a href='$Website_1'>$Website_1</a></div>
                <div class='social_email'><a href='mailto:$Email'>$Email</a></div>
                <a rel='me' href='https://$Mastodon_Server/@$Mastodon_Username'>Mastodon</a>
            </div>
            <div class='clear'></div>
        </div>
    ";

return $Output;
}

// List Git Repos
function List_Repos() {
    // Define Variables
    $List_Repo_Out = '';
    $Repo_Location = $_SERVER['DOCUMENT_ROOT'];
    $Count_Repos = 0;

$List_Directorys = glob($Repo_Location . '*', GLOB_ONLYDIR);
    foreach ($List_Directorys as $Git_Folder) {

$Count_Repos++;

// Most recent commit timestamp from that repo
        $Last_Modified = trim(shell_exec('git -C ' . escapeshellarg($Git_Folder) . ' log -1 --format=%ah'));
        
        $Commit_Message = shell_exec('git -C ' . escapeshellarg($Git_Folder) . ' log -1 --format=%s');

$Commit_Info = "<div class='commit_info'>$Commit_Message - $Last_Modified</div>";

$Git_Folder_Name = str_replace ($Repo_Location, '', $Git_Folder);

$List_Repo_Out .= "<hr><a class='repo_link' href='?loc=$Git_Folder_Name'>$Git_Folder_Name</a>$Commit_Info<br><div class='clear'></div>\n";

$Output = "
            <div class='page_block'>
                <strong>$Count_Repos Repositories</strong><br>
                <br>
                $List_Repo_Out
            </div>
        ";
    }
    return $Output;
}

function Display_Repo() {
    global $Markdown_Parsdown;
    global $Current_Location;
    global $Selected_File;

$Output = '';
    $DIR_List = '';
    
    $Repo_Location = $_SERVER['DOCUMENT_ROOT'];
    $Repo_Location_Full = $Repo_Location . $Current_Location;

// Make 'UP' directory button
    if (str_contains($Current_Location, '/')) {
        // Remove last folder from location
        $UP_Directory_Input = explode('/', $Current_Location);
        array_pop($UP_Directory_Input);
        $UP_Directory = '';
        foreach($UP_Directory_Input as $Directory) {
            $UP_Directory .= $Directory . '/';
        }
        // Remove trailing /
        $UP_Directory = substr($UP_Directory, 0, -1);

// Output the Up Folder
        $DIR_List .= "<a href='?loc=$UP_Directory'>[...] Up Directory</a><br>";
    }

// Display Directorys
    $List_Directorys = glob("$Repo_Location_Full/*", GLOB_ONLYDIR);
    foreach ($List_Directorys as $Directory) {
        $Directory_Name = str_replace($Repo_Location . $Current_Location . '/', '', $Directory);
        $DIR_List .= "
            <hr>
            <div class='file_list_item'>
                <a href='?loc=$Current_Location/$Directory_Name'>🗀 $Directory_Name</a>
                <br>
            </div>
        ";
    }

// Display Files
    $List_Files = array_filter(glob("$Repo_Location_Full/*"), 'is_file');
    foreach ($List_Files as $File) {
        $File_Name = str_replace($Repo_Location . $Current_Location . '/', '', $File);
        $DIR_List .= "
            <hr>
            <div class='file_list_item'>
                <a href='?loc=$Current_Location&file=$File_Name'>$File_Name</a>
                <br>
            </div>
        ";
    }

if ($DIR_List == '') {
        $DIR_List .= 'Empty Repository';
    }
    
    // List Files and Folders
    $Download_Zip_Link = '';
    if (file_exists("$Current_Location.zip")) {
        $Download_Zip_Link = "
                Code: <a href='$Current_Location.zip' download='$Current_Location.zip'>Download ZIP</a>
        ";
    }
        $Output .= "
        <div class='page_block'>
            <strong>$Current_Location</strong><br><hr>
            $Download_Zip_Link
            $DIR_List
        </div>
    ";

// If there is a Readme file, Display the Readme file!
    if (file_exists($Repo_Location . $Current_Location . '/README.md')) {
        if (!ISSET($_GET['file'])) {
            $Readme_Contents = file_get_contents($Repo_Location . $Current_Location . '/README.md');
            
            // Use Markdown Parsedown if selected
            if ($Markdown_Parsdown !== '') {
                include ($Markdown_Parsdown);
                $Parsedown = new Parsedown();
                $Markdown_Output = $Parsedown->text($Readme_Contents);
                $Readme_Contents = "$Markdown_Output";
            }

if (($Markdown_Parsdown == '')) {
                $Readme_Contents = "<pre>$Readme_Contents</pre>";
            }

$Output .= "
            <div class='page_block'>
                <strong>README</strong><br>
                <hr>
                $Readme_Contents
            </div>
            ";
        }
        
    }

// Show the selected file
    if (ISSET($_GET['file'])) {
        $Selected_File_Path = $Repo_Location . $Current_Location . '/' . $Selected_File;
        $Download_File_Path = $Current_Location . '/' . $Selected_File;

// Default - Display Contents
	$File_Contents = htmlspecialchars(file_get_contents($Selected_File_Path));
        $File_Contents = '<textarea>' . $File_Contents . "\n\n" . '</textarea>';

// If image Display as image
        if (exif_imagetype($Selected_File_Path)) {
            $File_Contents = "<img class='preview' src='$Download_File_Path'>";
        }

$Output .= "
        <div class='page_block'>
            <strong>$Selected_File</strong><br>
            $File_Contents
        </div>
        ";
    }

return $Output;
}

// Sitemap Generator -- SEO Stuff
if (!file_exists('sitemap.txt')) {

// Clear File Contents
	file_put_contents('sitemap.txt', '');
	
	foreach (glob($_SERVER['DOCUMENT_ROOT'] . '*', GLOB_ONLYDIR) as $Git_Repo) {
        $Git_Repo = str_replace(' ', '%20', $Git_Repo);
        $Git_Repo = str_replace($_SERVER['DOCUMENT_ROOT'], 'https://' . $_SERVER['HTTP_HOST'] . '/index.php?loc=', $Git_Repo);
        
		file_put_contents('sitemap.txt', $Git_Repo . "\n", FILE_APPEND);
	}
}

///////////////////////////////////////////////////////////////////////////////
// Page Layout (View)
///////////////////////////////////////////////////////////////////////////////

$Page_Content = Build_Page();
$Site_Logo_Image = Site_Logo();
$Site_Banner = Site_Banner();
$Open_Graph = Open_Graph();

echo "
<!DOCTYPE html>
<html>
    <head>
        <title>$Site_Title</title>
        <meta name='viewport' content='width=device-width, initial-scale=1.0'>
        <link rel='icon' href='$Site_Favicon' type='image/x-icon'/>
        <meta name='description' content='$Site_Description'>
        <meta name='fediverse:creator' content='@$Mastodon_Username@$Mastodon_Server'>
        $Open_Graph
        <style>

body {
                font-family: $Site_Main_Font;
                font-size: 11pt;
                margin: 0;
                padding: 0;
                background-color: $Site_Main_Background_Colour;
            }

hr {
                border: 1px solid #cbd7dd;
            }

img {
                max-width: 100%;
            }

pre {
                max-width: 100%;
                overflow: auto;
            }

code {
                background-color: #e3e5e8;
		border: 2px solid #cbd7dd;
		display: block;
		padding: 10px;
		overflow: auto;
            }

textarea {
                width: 1000px;
                height: 400px;
                max-width: 100%;
            }

div.clear {
                clear: both;
            }

a {
                color: #3574c7;
                text-decoration: none;
            }
            
            a:hover {
                text-decoration: underline;
            }

img.site_logo {
                height: 20px;
            }

div.site_banner {
                background-color: $Site_Banner_Background;
                animation: marquee 5s linear infinite;
                padding: 20px;
            }

a.page_title {
                text-decoration: none;
                color: $Site_Title_Colour;
            }

div.page_title {
                font-family: $Site_Title_Font;
                font-size: 18pt;
                font-weight: bold;
                margin: 0;
                padding: 5px;
                background-color: $Site_Title_Background;
            }

div.page_content {
                margin: auto;   
                max-width: $Page_Width;
            }

div.page_block {
                background-color: #fff;
                border-width: 1px;
                border-style: solid;
                border-color: $Site_Main_Colour;
                border-radius: 8px;
                margin: 20px 20px 10px 20px;
                padding: 30px;
            }

div.social_name {
                font-size: 18pt; 
                font-weight: bold;
                margin-bottom: 10px;
            }

img.profile_photo {
                max-width: 110px;
                border-radius: 1000px;
                float: left;
                margin-right: 10px;
            }

div.social_block {
                float: left;
            }

div.file_list_item {
                padding: 3px;
            }

div.file_list_item:hover {
                background-color: #dce6ec;
            }

div.commit_info {
                color: #858585;
                display: inline;
                float: right;
            }

div.bottom_page_spacer {
                height: 60px;
                max-width: 100%;
            }

div.page_footer {
                font-size: 10pt;
                color: $Site_Title_Colour;
                background-color: $Site_Title_Background;
                text-align: center;
                position: fixed;
                bottom: 0;
                left: 0;
                width: 100%;
                padding: 10px;
                margin: 0;
            }

img.preview {
                max-width:100%;
            }

</style>
    </head>
<body>
    $Site_Banner
    <div class='page_title'>
        <a class='page_title' href='index.php'>$Site_Logo_Image $Site_Title</a>
    </div>
    <div class='page_content'>
        $Page_Content
    </div>

<div class='bottom_page_spacer'></div>
    
    <div class='page_footer'>
        $Copyright_Notice
    </div>
    
</body>
</html>
";

// EOF