<?php
/*******************************************************************************
 * Copyright (c) 2017 Eclipse Foundation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v2.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-2.0
 *******************************************************************************/
require_once($_SERVER['DOCUMENT_ROOT'] . "/eclipse.org-common/system/app.class.php");
require_once($_SERVER['DOCUMENT_ROOT'] . "/eclipse.org-common/system/nav.class.php");
require_once($_SERVER['DOCUMENT_ROOT'] . "/eclipse.org-common/system/menu.class.php");
require_once dirname ( __FILE__ ) . '/../classes/database.inc';
require_once dirname ( __FILE__ ) . '/../classes/Project.class.php';

$App 	= new App();
$Nav	= new Nav();
$Menu 	= new Menu();
include($App->getProjectCommon());

$pageTitle 		= "Eclipse Foundation Cryptography";
$pageKeywords	= "";
$pageAuthor		= "Wayne Beaton";

$since = null;
if (isset($_GET['since'])) {
 $since = strtotime($_GET['since']);
}

function cryptographyDo($since, $function) {
 $sql = "
  select
   b.bug_id as id,
   cp.name as project,
   b.short_desc as title,
   kd.name as type,
   c.thetext as text
  from
   (select
    c.bug_id, min(c.comment_id) as comment_id
    from longdescs as c
     join keywords as k on c.bug_id=k.bug_id
     join keyworddefs as kd on k.keywordid=kd.id
    where kd.name='cryptography'
    group by bug_id) as crypto
   join bugs as b on crypto.bug_id=b.bug_id
   join longdescs as c on crypto.comment_id=c.comment_id
   join components as cp on b.component_id=cp.id
   join keywords as k on b.bug_id=k.bug_id
   join keyworddefs as kd on k.keywordid=kd.id
  where
   b.bug_severity in ('approved', 'license_certified')
   and kd.name in ('projectcode', 'thirdparty')
   and date(creation_ts) > date(':since')
  order by cp.name, b.bug_id";

 // If $since is null, this should render as the
 // epoch start which effectively means "forever".
 $args = array(':since' => date('Y-m-d', $since));

 query ( 'ipzilla', $sql, $args, function ($row) use ($function) {
  $cq = new Stdclass();
  $cq->id = $row['id'];
  $cq->title = $row['title'];
  $cq->projectId = $row['project'];
  $cq->project = Project::getProject($row['project']);
  $cq->type = $row['type'];
  $cq->cryptography = getCryptographyStatement($row['text']);

  $function($cq);
 });
}

function getCryptographyStatement($string) {
 if (preg_match('/Cryptography:.*/', $string, $matches))
  return $matches[0];
 return '';
}

function probablyNoForCryptography($cq) {
 // No entry means no.
 if (!trim($cq->cryptography)) return true;
 if (preg_match('/^Cryptography:\s*(.*)$/', trim($cq->cryptography), $matches)) {
  $statement = trim($matches[1]);
  // Blank entry means no.
  if (!$statement) return true;
  // Explicit no or equivalent as the first word is no.
  if (preg_match('/^(?:no|none|not)\b/i', $statement)) return true;
 }
 return false;
}

function probablyYesForCryptography($cq) {
 if (preg_match('/^Cryptography:\s*(.*)$/', $cq->cryptography, $matches)) {
  $statement = trim($matches[1]);
  if (!$statement) return false;
  if (preg_match('/^(?:yes)\b/i', $statement)) return true;
 }
 return false;
}

$projects = array();
$cqs = array();
cryptographyDo($since, function($cq) use (&$projects, &$cqs) {
 if ($project = $cq->project) {
  $cqs[$project->getId()][] = $cq;
  $projects[$project->getId()] = $project;
 }
});

ob_start();
?>
<div id="maincontent">
<div id="midcolumn">
<h1><?= $pageTitle ?></h1>

<p>The following CQs all include the <em>cryptography</em> keyword.</p>

<?php
if ($since) {
 $date = $App->getFormattedDate($since);
 echo "<p>Showing changes since {$date}. Show <a href=\"?\">all</a>.</p>";
} else {
 echo "<p>Only show the <a href=\"?since=-1 month\">changes in the last month</a>
   or <a href=\"?since=-2 month\">changes in the last two months</a>.</p>";
}
?>

<h3>Projects</h3>

<p>Projects that contain encryption:<p>
<ul>
<?php
foreach($projects as $project) {
 if ($project->isArchived()) continue;

 $name = $project->getFormalName();

 echo "<li><a href=\"{$project->getUrl()}\">$name</a> {$project->getUrl()}/developer</li>";
}

?>
</ul>

<h3>Contribution Questionnaires</h3>

<p>CQs that indicate that they contain cryptography:<p>
<ul>
<?php
foreach($cqs as $id => $values) {
 $project = Project::getProject($id);
 echo "<li>{$project->getFormalName()}<ul>";
 foreach($values as $cq) {
  echo "<li>[<a href=\"https://dev.eclipse.org/ipzilla/show_bug.cgi?id={$cq->id}\">{$cq->id}</a>] {$cq->title}</li>";
 }
 echo "</ul></li>";
}

?>
</ul>

</div>
</div>

<?php
$html = ob_get_contents();
ob_end_clean();
$App->generatePage($theme, $Menu, $Nav, $pageAuthor, $pageKeywords, $pageTitle, $html);
?>