/usr/share/websvn/include/template.php is in websvn 2.3.3-1.1+deb7u2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// 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
//
// --
//
// templates.php
//
// Templating system to allow advanced page customisation
$vars['version'] = $version; // Set WebSVN version for all template files
$vars['currentyear'] = date('Y');
$ignore = false;
// Stack of previous test results
$ignorestack = array();
// Number of test levels currently ignored
$ignorelevel = 0;
// parseCommand
//
// Parse a special command
function parseCommand($line, $vars, $handle) {
global $ignore, $ignorestack, $ignorelevel, $config, $listing, $vars;
// process content of included file
if (strncmp(trim($line), '[websvn-include:', 16) == 0) {
if (!$ignore) {
$line = trim($line);
$file = substr($line, 16, -1);
parseTemplate($file);
}
return true;
}
// Check for test conditions
if (strncmp(trim($line), '[websvn-test:', 13) == 0) {
if (!$ignore) {
$line = trim($line);
$var = substr($line, 13, -1);
$neg = ($var{0} == '!');
if ($neg) $var = substr($var, 1);
if (empty($vars[$var]) ^ $neg) {
array_push($ignorestack, $ignore);
$ignore = true;
}
} else {
$ignorelevel++;
}
return true;
}
if (strncmp(trim($line), '[websvn-else]', 13) == 0) {
if ($ignorelevel == 0) {
$ignore = !$ignore;
}
return true;
}
if (strncmp(trim($line), '[websvn-endtest]', 16) == 0) {
if ($ignorelevel > 0) {
$ignorelevel--;
} else {
$ignore = array_pop($ignorestack);
}
return true;
}
if (strncmp(trim($line), '[websvn-getlisting]', 19) == 0) {
global $svnrep, $path, $rev, $peg;
if (!$ignore) {
$svnrep->listFileContents($path, $rev, $peg);
}
return true;
}
if (strncmp(trim($line), '[websvn-defineicons]', 19) == 0) {
global $icons;
if (!isset($icons)) {
$icons = array();
}
// Read all the lines until we reach the end of the definition, storing
// each one...
if (!$ignore) {
while (!feof($handle)) {
$line = trim(fgets($handle));
if (strncmp($line, '[websvn-enddefineicons]', 22) == 0) {
return true;
}
$eqsign = strpos($line, '=');
$match = substr($line, 0, $eqsign);
$def = substr($line, $eqsign + 1);
$icons[$match] = $def;
}
}
return true;
}
if (strncmp(trim($line), '[websvn-icon]', 13) == 0) {
global $icons, $vars;
if (!$ignore) {
// The current filetype should be defined my $vars['filetype']
if (!empty($icons[$vars['filetype']])) {
echo parseTags($icons[$vars['filetype']], $vars);
} else if (!empty($icons['*'])) {
echo parseTags($icons['*'], $vars);
}
}
return true;
}
if (strncmp(trim($line), '[websvn-treenode]', 17) == 0) {
global $icons, $vars;
if (!$ignore) {
if ((!empty($icons['i-node'])) && (!empty($icons['t-node'])) && (!empty($icons['l-node']))) {
for ($n = 1; $n < $vars['level']; $n++) {
if ($vars['last_i_node'][$n]) {
echo parseTags($icons['e-node'], $vars);
} else {
echo parseTags($icons['i-node'], $vars);
}
}
if ($vars['level'] != 0) {
if ($vars['node'] == 0) {
echo parseTags($icons['t-node'], $vars);
} else {
echo parseTags($icons['l-node'], $vars);
$vars['last_i_node'][$vars['level']] = true;
}
}
}
}
return true;
}
return false;
}
// parseTemplate
//
// Parse the given template, replacing the variables with the values passed
function parseTemplate($file) {
global $ignore, $rep, $config, $vars, $listing;
$template = (($rep) ? $rep->getTemplatePath() : $config->getTemplatePath()).$file;
if (!is_file($template)) {
print 'No template file found ('.$template.')';
exit;
}
$handle = fopen($template, 'r');
$inListing = false;
$ignore = false;
$listLines = array();
while (!feof($handle)) {
$line = fgets($handle);
// Check for the end of the file list
if ($inListing) {
if (strcmp(trim($line), '[websvn-endlisting]') == 0) {
$inListing = false;
// For each item in the list
foreach ($listing as $listvars) {
// Copy the value for this list item into the $vars array
foreach ($listvars as $id => $value) {
$vars[$id] = $value;
}
// Output the list item
foreach ($listLines as $line) {
if (!parseCommand($line, $vars, $handle) && !$ignore) {
print parseTags($line, $vars);
}
}
}
} else if ($ignore == false) {
$listLines[] = $line;
}
} else if (parseCommand($line, $vars, $handle)) {
continue;
} else {
// Check for the start of the file list
if (strncmp(trim($line), '[websvn-startlisting]', 21) == 0) {
$inListing = true;
} else {
if ($ignore == false) {
print parseTags($line, $vars);
}
}
}
}
fclose($handle);
}
// parseTags
//
// Replace all occurences of [websvn:varname] with the give variable
function parseTags($line, $vars) {
global $lang;
// Replace the language strings
while (preg_match('|\[lang:([a-zA-Z0-9_]+)\]|', $line, $matches)) {
// Make sure that the variable exists
if (!isset($lang[$matches[1]])) {
$lang[$matches[1]] = '?${matches[1]}?';
}
$line = str_replace($matches[0], $lang[$matches[1]], $line);
}
$l = '';
// Replace the websvn variables
while (preg_match('|\[websvn:([a-zA-Z0-9_]+)\]|', $line, $matches)) {
// Find beginning
$p = strpos($line, $matches[0]);
// add everything up to beginning
if ($p > 0) {
$l .= substr($line, 0, $p);
}
// Replace variable (special token, if not exists)
$l .= isset($vars[$matches[1]]) ? $vars[$matches[1]]: ('?'.$matches[1].'?');
// Remove allready processed part of line
$line = substr($line, $p + strlen($matches[0]));
}
// Rebuild line, add remaining part of line
$line = $l.$line;
return $line;
}
// renderTemplate
//
// Renders the templates for the given view
function renderTemplate($view) {
global $config, $rep, $vars, $listing, $lang;
// Set the view in the templates variables
$vars['template'] = $view;
// Check if we are using a PHP powered template or the standard one
$path = !empty($rep) ? $rep->getTemplatePath() : $config->getTemplatePath();
$path = $path . 'template.php';
if (is_readable($path)) {
$vars['templateentrypoint'] = $path;
executePlainPhpTemplate($vars);
} else {
parseTemplate('header.tmpl');
parseTemplate($view . '.tmpl');
parseTemplate('footer.tmpl');
}
}
function executePlainPhpTemplate($vars) {
require_once $vars['templateentrypoint'];
}
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