filedetails.php

<?php
// WebSVN - Subversion repository viewing via the web using PHP
// Copyright (C) 2004-2006 Tim Armes
//
// 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 2 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, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// --
//
// filedetails.php
//
// Simply lists the contents of a file

require_once 'include/setup.php';
require_once 'include/svnlook.php';
require_once 'include/utils.php';
require_once 'include/template.php';

// Make sure that we have a repository
if ($rep) {
    $svnrep = new SVNRepository($rep);

    if ($path{0} != '/') {
        $ppath = '/' . $path;
    } else {
        $ppath = $path;
    }

    $useMime = false;

    // If there's no revision info, go to the lastest revision for this path
    $history = $svnrep->getLog($path, 'HEAD', 1, false, 2, ($path == '/') ? '' : $peg);
    if (!$history) {
        unset($vars['error']);
        $history = $svnrep->getLog($path, '', '', false, 2, ($path == '/') ? '' : $peg);
        if (!$history) {
            header('HTTP/1.x 404 Not Found', true, 404);
            $vars['error'] = $lang['NOPATH'];
        }
    }
    $youngest = ($history && isset($history->entries[0])) ? $history->entries[0]->rev : false;

    if (empty($rev)) {
        $rev = !$peg ? $youngest : min($peg, $youngest);
    }

    $extension = strtolower(strrchr($path, '.'));

    // Check to see if the user has requested that this type be zipped and sent
    // to the browser as an attachment
    if ($history && isset($zipped) && in_array($extension, $zipped) && $rep->hasReadAccess($path, false)) {
        $base = basename($path);
        header('Content-Type: application/x-gzip');
        header('Content-Disposition: attachment; filename=' . urlencode($base) . '.gz');

        // Get the file contents and pipe into gzip. All this without creating
        // a temporary file. Damn clever.
        $svnrep->getFileContents($path, '', $rev, $peg, '| ' . $config->gzip . ' -n -f');
        exit;
    }

    // Check to see if we should serve it with a particular content-type.
    // The content-type could come from an svn:mime-type property on the
    // file, or from the $contentType array in setup.php.

    if (!$rep->getIgnoreSvnMimeTypes()) {
        $svnMimeType = $svnrep->getProperty($path, 'svn:mime-type', $rev);
    }

    if (!$rep->getIgnoreWebSVNContentTypes()) {
        $setupContentType = @$contentType[$extension];
    }

    // Use the documented priorities when establishing what content-type to use.
    if (!empty($svnMimeType) && $svnMimeType != 'application/octet-stream') {
        $mimeType = $svnMimeType;
    } elseif (!empty($setupContentType)) {
        $mimeType = $setupContentType;
    } elseif (!empty($svnMimeType)) {
        $mimeType = $svnMimeType; // Use SVN's default of 'application/octet-stream'
    } else {
        $mimeType = '';
    }

    $useMime = ($mimeType) ? @$_REQUEST['usemime'] : false;
    if ($history && !empty($mimeType) && !$useMime) {
        $useMime = $mimeType; // Save MIME type for later before possibly clobbering
        // If a MIME type exists but is set to be ignored, set it to an empty string.
        foreach ($config->inlineMimeTypes as $inlineType) {
            if (preg_match('|' . $inlineType . '|', $mimeType)) {
                $mimeType = '';
                break;
            }
        }
    }

    // If a MIME type is associated with the file, deliver with Content-Type header.
    if ($history && !empty($mimeType) && $rep->hasReadAccess($path, false)) {
        $base = basename($path);
        header('Content-Type: ' . $mimeType);
        //header('Content-Length: '.$size);
        header('Content-Disposition: inline; filename=' . urlencode($base));
        $svnrep->getFileContents($path, '', $rev, $peg);
        exit;
    }

    // Display the file inline using WebSVN.
    $vars['action'] = '';
    $vars['path'] = escape($ppath);

    if (isset($history->entries[0])) {
        $vars['log'] = xml_entities($history->entries[0]->msg);
        $vars['date'] = $history->entries[0]->date;
        $vars['age'] = datetimeFormatDuration(time() - strtotime($history->entries[0]->date));
        $vars['author'] = $history->entries[0]->author;
    }
    createPathLinks($rep, $ppath, !$passrev && $peg ? $rev : $passrev, $peg);
    $passRevString = createRevAndPegString($rev, $peg);

    if ($rev != $youngest) {
        $vars['goyoungesturl'] = $config->getURL($rep, $path, 'file') . createRevAndPegString($youngest, $peg);
        $vars['goyoungestlink'] = '<a href="' . $vars['goyoungesturl'] . '"' . ($youngest ? ' title="' . $lang['REV'] . ' ' . $youngest . '"' : '') . '>' . $lang['GOYOUNGEST'] . '</a>';
    }

    $revurl = $config->getURL($rep, $path, 'file');
    if ($rev < $youngest) {
        $history2 = $svnrep->getLog($path, $rev, $youngest, true, 2, $peg ? $peg : 'HEAD');
        if (isset($history2->entries[1])) {
            $nextRev = $history2->entries[1]->rev;
            if ($nextRev != $youngest) {
                $vars['nextrev'] = $nextRev;
                $vars['nextrevurl'] = $revurl . createRevAndPegString($nextRev, $peg);
            }
        }
        unset($vars['error']);
    }

    $history3 = $svnrep->getLog($path, $rev, 1, true, 2, $peg ? $peg : 'HEAD');
    if (isset($history3->entries[1])) {
        $prevRev = $history3->entries[1]->rev;
        $prevPath = $history3->entries[1]->path;
        $vars['prevrev'] = $prevRev;
        $vars['prevrevurl'] = $revurl . createRevAndPegString($prevRev, $peg);
    }
    unset($vars['error']);

    $vars['revurl'] = $config->getURL($rep, $path, 'revision') . $passRevString;
    $vars['revlink'] = '<a href="' . $vars['revurl'] . '">' . $lang['LASTMOD'] . '</a>';

    $vars['logurl'] = $config->getURL($rep, $path, 'log') . $passRevString;
    $vars['loglink'] = '<a href="' . $vars['logurl'] . '">' . $lang['VIEWLOG'] . '</a>';

    $vars['blameurl'] = $config->getURL($rep, $path, 'blame') . $passRevString;
    $vars['blamelink'] = '<a href="' . $vars['blameurl'] . '">' . $lang['BLAME'] . '</a>';

    if ($history == null || count($history->entries) > 1) {
        $vars['diffurl'] = $config->getURL($rep, $path, 'diff') . $passRevString;
        $vars['difflink'] = '<a href="' . $vars['diffurl'] . '">' . $lang['DIFFPREV'] . '</a>';
    }

    if ($rep->isDownloadAllowed($path)) {
        $vars['downloadlurl'] = $config->getURL($rep, $path, 'dl') . $passRevString;
        $vars['downloadlink'] = '<a href="' . $vars['downloadlurl'] . '">' . $lang['DOWNLOAD'] . '</a>';
    }

    if ($rep->isRssEnabled()) {
        $vars['rssurl'] = $config->getURL($rep, $path, 'rss') . createRevAndPegString('', $peg);
        $vars['rsslink'] = '<a href="' . $vars['rssurl'] . '">' . $lang['RSSFEED'] . '</a>';
    }

    // Restore preserved value to use for 'mimelink' variable.
    $mimeType = $useMime;

    // If there was a MIME type, create a link to display file with that type.
    if ($mimeType && !isset($vars['warning'])) {
        $vars['mimeurl'] = $config->getURL($rep, $path, 'file') . 'usemime=1&amp;' . $passRevString;
        $vars['mimelink'] = '<a href="' . $vars['mimeurl'] . '">' . $lang['VIEWAS'] . ' "' . $mimeType . '"</a>';
    }

    $vars['rev'] = escape($rev);
    $vars['peg'] = $peg;

    if (!$rep->hasReadAccess($path, true)) {
        $vars['error'] = $lang['NOACCESS'];

        checkSendingAuthHeader($rep);
    } elseif (!$svnrep->isFile($path, $rev, $peg)) {
        $vars['error'] = $lang['NOPATH'];

        header('HTTP/1.x 404 Not Found', true, 404);
    }

} else {
    header('HTTP/1.x 404 Not Found', true, 404);
}

// $listing is populated with file data when file.tmpl calls [websvn-getlisting]
renderTemplate('file');