function main() {
global $path_prefix;
?>
<h1>PeopleAggregator system update</h1>
<p>system update | <a href="version.php">version info</a></p>
<?
$tmp_dir = "$path_prefix/web/files";
$tmp_fn = "$tmp_dir/update.treediff.xml";
$state = new Subversion_PAStateStore($path_prefix);
if (!$state->is_initialized()) $state->initialize();
$client = new Subversion_StandaloneClient($state, $tmp_fn);
$op = @$_POST['op'];
switch ($op) {
case 'login':
break;
case 'download':
echo "<h2>downloading update</h2>";
$root = $state->get_repository_root();
if (preg_match("|^https://|", $root)) {
echo "<p>ERROR: attempting to update from an HTTPS update server (<code>$root</code>), but we can't do HTTPS :-(</p>";
break;
}
if (!preg_match("|^http://update.peopleaggregator.org/svn|", $root)) {
echo '<p>WARNING: the update server is <code>'.$root.'</code>, which is not the official PeopleAggregator update server.</p>';
}
elseif ($root != 'http://update.peopleaggregator.org/svn/release') {
echo '<p>WARNING: updating from '.$root.', which is on the official PeopleAggregator server, but may be a test release.</p>';
}
$rev = $state->get_revision();
echo '<p>Requesting an update from revision r'.$rev.' from the server (<a href="'.$root.'">root</a>, <a href="'.$root.$state->get_repository_path().'">path</a>).</p>';
$disp = new js_display();
$disp->start();
$client->displayer = $disp;
$client->checkout();
$err = NULL;
$f = @fopen($tmp_fn, "rt");
if ($f) {
$xml = fread($f, 8192);
fclose($f);
if (!preg_match("|^<"."\?xml|", $xml)) {
$err = "Invalid response received.";
}
else if (preg_match("|<m:human-readable.*?>(.*?)</m:human-readable>|s", $xml, $m)) {
$err = $m[1];
}
else if (preg_match('|target-revision rev="(\d+)"|s', $xml, $m)) {
$target_rev = (int)$m[1];
if ($target_rev == $rev) {
echo "Your system is already up to date.";
unlink($tmp_fn);
}
}
} else {
$err = "Error reading temporary tree diff file $tmp_fn";
}
if ($err) {
echo '<div class="error">An error occurred: <b>'.htmlspecialchars($err).'</b></div>';
return;
}
/*<?xml version="1.0" encoding="utf-8"?>
<D:error xmlns:D="DAV:" xmlns:m="http://apache.org/dav/xmlns" xmlns:C="svn:">
<C:error/>
<m:human-readable errcode="160005">
Cannot replace a directory from within
</m:human-readable>
</D:error>*/
break;
case 'test-apply':
if (!file_exists($tmp_fn)) break;
echo '<div id="progress-detail"><h2>Verifying that the update can be installed.</h2>'; flush();
$msg_headers = array(
"localmod" => "Your local modifications conflict with the update",
"perms" => "The updater is unable to access some files or directories",
);
$client->displayer = new html_display();
$msg_html = "";
try {
$r = $client->apply_patch(FALSE);
$errors = $r['errors'];
foreach ($errors as $level => $msgs) {
$msg_list = "";
foreach ($msgs as $msg) {
$msg_list .= "<li>".$msg."</li>";
}
$msg_html .= "<h3>".$msg_headers[$level]."</h3>
<ul>$msg_list</ul>";
}
} catch (Subversion_Failure $e) {
$msg_html = $e->getMessage();
}
echo <<<EOF
</div><!-- progress-detail -->
<script language="javascript" type="text/javascript"><!--
// hide detail, so the user can see the error message
document.getElementById("progress-detail").style.display = "none";
// --></script>
EOF;
if ($msg_html) {
?>
<p>The update (from r<?= $state->get_revision() ?> to r<?= $client->target_revision ?>) cannot be installed cleanly for the following reason(s):</p>
<div class="error"><?= $msg_html ?></div>
<p>You have several options at this point if you wish to install the update:</p>
<ol>
<li>
<p>Fix the issues listed above, then try installing the update again.</p>
<? if (!@$errors['localmod']) { ?><p>HIGHLY RECOMMENDED - as the only issues above are to do with file access permissions. Please fix the permissions, and try again.</p><? } ?>
<? show_op("test-apply", "Click here to try installing the update again"); ?>
</li>
<? if (@$errors['localmod']) { ?>
<li>
<p>[NOT IMPLEMENTED YET] Migrate to using Subversion for updates.</p>
<p>HIGHLY RECOMMENDED if you plan to maintain local changes.</p>
<? show_op("svn-migrate", "Click here to create .svn folders in your PeopleAggregator install so you can use 'svn update'", TRUE); ?>
</li>
<? } ?>
<li>
<p>Overwrite your local changes. This will probably result in a working system, but will destroy any changes you have made to your system, so make sure you know what you are doing!</p>
<p>(Files with local modifications will be renamed, e.g. changedfile.php will become changedfile.php.local)</p>
<? if (!@$errors['localmod']) { ?><p>NOT RECOMMENDED - as the only issues above are to do with file access permissions. Instead, please fix the permissions, and try again.</p><? } ?>
<? if (@$errors['perms']) { ?><p style="font-weight: bold">CURRENTLY NOT POSSIBLE due to the access permissions errors mentioned above. Please fix them, then try again.</p><? } ?>
<? show_op("force-apply", "Click here to install the update, overwriting your local changes.", @$errors['perms'] ? TRUE : FALSE); ?>
</li>
<li>
<p>Install only the parts of the update that do not conflict with anything on your system.</p>
<p>(Files with local modifications will not be touched, and new local files will block installation of new files or directories of the same name).</p>
<p>This won't destroy anything you have changed, but could quite possibly result in a broken installation, so it is not recommended unless your changes are relatively minor.</p>
<? if (!@$errors['localmod']) { ?><p>NOT RECOMMENDED - as the only issues above are to do with file access permissions. Instead, please fix the permissions, and try again.</p><? } ?>
<? show_op("soft-apply", "Click here to install the update without overwriting/deleting anything with local changes."); ?>
</li>
</ol>
<?
} else {
show_op("apply", "Confirm - apply update to your installation");
}
return; // don't show 'an update has been downloaded' text
case 'apply':
if (!file_exists($tmp_fn)) break;
echo "<h2>Applying update.</h2>";
$client->displayer = new html_display();
$client->apply_patch(TRUE);
run_scripts();
return;
case 'soft-apply':
if (!file_exists($tmp_fn)) break;
echo "<h2>Applying update without overwriting local changes.</h2>";
$client->displayer = new html_display();
$client->apply_patch("soft");
run_scripts();
return;
case 'force-apply':
if (!file_exists($tmp_fn)) break;
echo "<h2>Apply update, overwriting local changes.</h2>";
echo "<p>Downloading extra files from the server ...</p><ul>";
// find files to download
$client->displayer = new null_display();
$client->apply_patch();
$client->displayer = new html_display();
$client->download_incomplete_files($tmp_dir);
echo "</ul>";
// all done - now apply the patch
$client->apply_patch("force");
run_scripts();
return;
default:
if ($op) throw new Subversion_Failure("Invalid operation: $op");
break;
}
if (file_exists($tmp_fn)) {
show_op("test-apply", "An update has been downloaded. Click here to apply it to your system.");
}
else {
show_op("download", "Check for updates");
}
}
<p>This is the development Subversion repository and revision used to build this release.</p>
<?php
$text = file_get_contents("../../db/source_svn_info.txt");
if (preg_match("/\nURL: (.*?)\n/", $text, $m)) {
echo "<p>Repository: <code><b>" . htmlspecialchars($m[1]) . "</b></code></p>";
}
if (preg_match("/\nRevision: (.*?)\n/", $text, $m)) {
echo "<p>Revision: <b>" . htmlspecialchars($m[1]) . "</b></p>";
}
}
?>
<h3>Built-in update system</h3>
<?php
if ($state->is_initialized()) {
?>
<p>This is the version information used by the built-in update system. If you have <a href="http://wiki.peopleaggregator.org/Transitioning_to_Subversion_for_updates">transitioned to Subversion</a>, this information will be out of date and your version information will be down below under the "Subversion" heading.</p>
<?php
echo "<p>Repository: <code><b>" . htmlspecialchars($state->get_repository_root() . $state->get_repository_path()) . "</b></code></p>";
echo "<p>Revision: <b>" . htmlspecialchars($state->get_revision()) . "</b></p>";
} else {
echo "<p>The built-in update system has not been initialized.</p>";
}
?>
<h3>Subversion (external - .svn directory)</h3>
<?php
// check for .svn/entries
if (file_exists("../../.svn/entries")) {
echo "<p><code>.svn/entries</code> file found</p>";
$dom = new DOMDocument();
