<?php
/*******************************************************************************
* Copyright (c) 2008 Eclipse Foundation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
*    Bjorn Freeman-Benson (Eclipse Foundation)- initial API and implementation
*    Gabe O'Brien (Eclipse Foundation) - various fixes
*    Wayne Beaton (Eclipse Foundation) - Bug 354733, 416515
*******************************************************************************/


/* 221934 - this page to remain on eclipse.org */

//	error_reporting(E_ALL); ini_set("display_errors", true);

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($_SERVER['DOCUMENT_ROOT'] . "/eclipse.org-common/system/menu.class.php");
require_once($_SERVER['DOCUMENT_ROOT'] . "/eclipse.org-common/classes/projects/projectInfoData.class.php");


require_once($_SERVER['DOCUMENT_ROOT'] . "/projects/classes/Project.class.php");
require_once($_SERVER['DOCUMENT_ROOT'] . "/projects/classes/common.php");
require_once($_SERVER['DOCUMENT_ROOT'] . "/projects/classes/debug.php");
trace_file_info(__FILE__);
$trace = trace("Plan");


// ----------------------------------------------------------------------------
// PHOENIX STUFF

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

$pageTitle 		= "Project Plan - ";
$pageAuthor		= "Bjorn Freeman-Benson";
include( '_commonLeftNav.php' );

// ----------------------------------------------------------------------------
// BEGIN CODE


// Global Errror Handler Function
// This replicates the look/functionality of userErrorHandler from harness.php
// but doesn't implement the test-specific checks for global flags.
// NOTE:  This is not setup by default.  If you need to enable this,
// do something like: $old_error_handler = set_error_handler("globalDisplayErrorHandler");
// external_entry() sets this up if the context calls for it.
function globalDisplayErrorHandler($errno, $errmsg, $filename, $linenum, $vars) {
  $errortype = array (
    E_ERROR => 'Error',
    E_WARNING => 'Warning',
    E_PARSE => 'Parsing Error',
    E_NOTICE => 'Notice',
    E_CORE_ERROR => 'Core Error',
    E_CORE_WARNING => 'Core Warning',
    E_COMPILE_ERROR => 'Compile Error',
    E_COMPILE_WARNING => 'Compile Warning',
    E_USER_ERROR => 'User Error',
    E_USER_WARNING => 'User Warning',
    E_USER_NOTICE => 'User Notice',
    E_STRICT => 'Runtime Notice',
    E_RECOVERABLE_ERROR => 'Catchable Fatal Error');
    switch($errno) {
    	case E_NOTICE: // discard NOTICEs
    	case E_STRICT: // discard RUNTIME notices for deprecated usages
    		return;
    	default:
			echo "<p><table cellpadding=10 width=400 bgcolor=#ffcccc><tr><td><font size=+2>Trouble: </font>";
			echo "PHP $errortype[$errno]:<br>$errmsg<br>$filename ($linenum)";
			$mysql_error_func = 'mysql_error_check';
			if(function_exists($mysql_error_func)) {
				$mysql_error_func();
			}
			echo "</table></p>\n";
    }
}

// Start Output Buffering
ob_start();
?>
<style>
h2 {
	border-bottom: 2px solid gray;
}
h3 {
	border-bottom: 1px dotted gray;
}
</style>
<div id="midcolumn">
<div id="homeitem">
<?php

/**
 * Project plan URLs are specified in all sorts of horrible and devious 
 * ways. Try as hard as possible to sort out a file system local path
 * from the URL.
 * 
 * @internal
 */
function normalizePlanUrl($url) {
	// Note that this implementation is recursive. The order
	// in which we do tests may be significant.
	
	// If the URL is specified as a link to this script with
	// a planurl parameter, use the value of that parameter.
	if (preg_match('/project\-plan\.php\?(?:plan)?url=(.*)$/', $url, $matches))
		return normalizePlanUrl($matches[1]);

	// If the URL is specified as a link to this script with
	// a projectid parameter, then we're probably screwed.
	if (preg_match('/project\-plan\.php\?(?:project)?id=(.*)$/', $url, $matches))
		return null;
	
	// If it looks like they've specified an eclipse.org URL,
	// just grab the resource part.
	if (preg_match('/eclipse\.org\/(.*)$/', $url, $matches))
		return normalizePlanUrl($matches[1]);
	
	// If we've got this far and it still looks like an absolute
	// URL, then we're looking in the wrong place.
	if (preg_match('/^https?:', $url)) return null;
	
	return normalizeFilePathUrl($url);
}

/*
 * Must have a ?projectid=xxx or ?planurl=http://www.eclipse.org/xxx
 */

$matches = array();
if(isset($_REQUEST['projectid'])) {
    preg_match('/^([a-z.0-9\-_]+)$/', $_REQUEST['projectid'], $matches);
}
// Should handle empty or missing projectid and planurl parameters
if(!isset($matches[1]) && (!isset($_REQUEST['planurl']) || $_REQUEST['planurl'] === '')) {
	?><span style="background-color: #FFCCCC; font-weight: bold; font-size: 150%">Error: unable to display project plan without a ?projectid=xxx or ?planurl=xxx</span><?php
} else {
	if( isset($_REQUEST['projectid']) ) {
		$projectid = $matches[1];
		$project = get_project_from_pmi($projectid); // WTB Bug 416515
		$pageTitle .= $projectid;

		if(!$project){
			show_error_page( 'the project does not exist in our records.', $projectid );
		} else {
			/*
			 * If the parameter is a projectid, look up the url in the meta-data database
			 */
			$url = $project->getPlanUrl();
			// Bug 438683 If the plan URL is not specified, let the PMI figure it out.
			if (!$url) {
				header("Location: https://projects.eclipse.org/projects/$projectid/current-release");
				exit;
			}
		}
	} else {
		$url = $_REQUEST['planurl'];
	}

	$url = normalizePlanUrl($url);
	$trace->trace("The plan URL was normalized to: $url");
	
	/*
	 * Verify that the url is pointing to eclipse.org to prevent cross-site attacks
	 */
	if (!$url) {
		show_error_page( 'the path to a valid plan document cannot be determined.', $projectid );
	} else if (!file_exists($url)) {
		show_error_page( 'the plan document (' . $url . ') does not exist.', $projectid );
	} else {
	
		/*
		 * If the request is for raw format
		 */
		if( isset($_REQUEST['raw']) ) {
			$contents = @file_get_contents( $url );
			?>
			<div style="margin-left: 10px; margin-top: 10px">
			<b>Location: </b><?= $url ?><br>
			<b>Meta-data Tag: </b>projectplanurl<br>
			<b>Raw: </b><p>
	<pre>
	<?php echo htmlspecialchars($contents) ?>
	</pre>
				</div>
				<?php
		} else {
			/*
			 * Load the XML file
			 */

			//$url = normalizeFilePathUrl($url);
			$trace->trace("Loading plan from: $url");

			$xml = new DomDocument();
			$xml->load($url);
			if( $xml === false ) {
			 	$contents = @file_get_contents( $url );
			 	if( !$contents ) {
			 		show_error_page( 'the project meta-data "planurl" (' . $url . ') points to an empty file.', $projectid );
			 	} else {
			 		if( preg_match( "/&(?<!amp;)/", $contents ) ) {
			 			show_error_page( 'the file appears to have at least one naked &amp;s in bugzilla urls: &amp;s must be escaped as &amp;amp; to be valid XML.', $projectid );
			 		} else {
				 		show_error_page( 'the planurl is not a valid project plan XML file. See <a href="http://wiki.eclipse.org/Development_Resources/Project_Plan">the documentation</a> for details.', $projectid );
			 		}
				}
            } else if( $xml->textContent === "" ) {
                show_error_page( 'the planurl was not found.', $projectid );
			} else {
				if (isset($_REQUEST['planurl'])) {
					$releases = $xml->getElementsByTagName( "release" );
					if ($releases) {
						$top = $releases->item(0);
						if ($top) {
							$projectid = $top->getAttribute( "projectid" );
							$project = get_project_from_pmi($projectid);
							$pageTitle .= $projectid;
						}
					}
				}

				$projectname = $project->getName();;

				$trace->trace("Project id: $projectid");
				$trace->trace("Project name: $projectname");

				if (isset($_REQUEST['component'])) {
					$projectname .=  " [" . $_REQUEST['component'] . "]";
				}

				// ----------------------------------------------------------------------------
				// OUTPUT
				$old_error_handler = set_error_handler("globalDisplayErrorHandler");
				/* create the processor and import the stylesheet */
				$xsl = new DomDocument();
				$xsl->load("project-plan-render.xsl");

				$proc = new XsltProcessor();
				$xsl = $proc->importStylesheet($xsl);
				$proc->setParameter(null, "projectName", $projectname);
				$proc->setParameter(null, "projectId", $projectid);

				/* transform and output the xml document */
				$echo = $proc->transformToXML($xml);
				if($echo === false){
		 			show_error_page( 'the project XML file loaded but was not able to be transformed by our XSL. Please confirm that your XML is valid.', $projectid );
				}else{
					echo $echo;
				}
				restore_error_handler();
?>
<div style="float: right; text-align: right"><a href="?projectid=<?= $projectid ?>&raw=1">view raw xml of project plan</a><br>
<a href="/projects/dev_process/project-status-infrastructure.php">from project meta-data key "projectplanurl"</a></div>
<?php
			}// if( have xml )
		}// if( !raw )
	}// if( !cross site attack )
}// if( !$url )
?>

<?php echo get_trace_html(); ?>

</div>
</div> <!-- midcolumn -->
<?php
	$html = ob_get_contents();
	ob_end_clean();

	# Generate the web page
	$pageKeywords = '';
	$App->generatePage($theme, $Menu, $Nav, $pageAuthor, $pageKeywords, $pageTitle, $html);


function report_bugzillas( $param ) {
	$url = '' . $param;
	$url = trim( $url );
	if( !$url ) {
		?><ul><li><em>no items</em></li></ul><?php
		return;
	}
	if( substr($url,0,25) == 'https://bugs.eclipse.org/' ) {
		$url = 'https://bugs.eclipse.org/' . substr($url,25);
	} elseif( substr($url,0,24) == 'http://bugs.eclipse.org/' ) {
		$url = 'http://bugs.eclipse.org/' . substr($url,24);
	} else {
	 	?><ul><li><span style="background-color: #FFCCCC; font-weight: bold; font-size: 150%;">Error: url is not a bugs.eclipse.org url</span></li></ul><?php
	 	return;
	}
	$url = $url . "&ctype=rdf";
	$url = $url . "&columnlist=bug_id,short_desc,target_milestone,bug_status";
	/*
	 * For some reason, simplexml doesn't handle the RDF with namespaces,
	 * so we just remove all the namespace stuff here.
	 */
	$text = file_get_contents( $url );
	$text = preg_replace( "/bz:/", '', $text );
	$text = preg_replace( "/rdf:/", '', $text );
	$text = preg_replace( "/nc:/", '', $text );
	/* */
	$rdf = simplexml_load_string( $text );
//	echo "<pre>url=/"; print_r($url);
//	echo "/<br>text=/"; print_r($text);
//	echo "/<br>rdf=/"; print_r($rdf);
//	echo "/</pre>";

	?><ul><?php
    foreach( $rdf->result->bugs->Seq->li as $each ) {
    	$status_begin = '';
    	$status_end = '';
    	if( $each->bug->bug_status == 'RESOLVED'
    	 || $each->bug->bug_status == 'VERIFIED'
    	 || $each->bug->bug_status == 'CLOSED' ) {
    		$status_begin = '<strike>';
    		$status_end = '</strike>';
    	}
    	?><li><?= $each->bug->short_desc ?>
    	[<a href="http://bugs.eclipse.org/<?= $each->bug->id ?>"><?= $each->bug->id ?></a>]
    	<?= $status_begin ?>(target milestone: <?= $each->bug->target_milestone ?>)
    	<?= $status_end ?></li><?php
    }
	?></ul><?php
}

function show_error_page( $errormsg, $projectid ) {
	global $App;
	$leaders = array();

	$result = $App->foundation_sql("
		SELECT DISTINCT(People.PersonID), FName, LName
			FROM PeopleProjects, Projects, People
			WHERE PeopleProjects.Relation in ('PL','PD')
				AND InactiveDate is NULL
				AND People.PersonID = PeopleProjects.PersonID
				AND Projects.ProjectID = PeopleProjects.ProjectID
				AND Projects.ProjectID = '$projectid'
			ORDER BY LName");

	while( $row = mysql_fetch_assoc($result) ) {
		$leaders[] = $row['FName'] . ' ' . $row['LName'];
	}

	if( count($leaders) == 0 ) {
		$leaderstr = "project leader(s)";
	} else {
		if( count($leaders) == 1 ) {
			$leaderstr = "project leader (" . $leaders[0] . ")";
		} else {
			$t1 = array_pop( $leaders );
			$leaderstr = "project leaders (" . implode( ", ", $leaders ) . " and " . $t1 . ")";
		}
	}
	?>
	<div style="margin-top: 60px; margin-left: 50px; width: 400px">
		<center>
			<img src="/projects/images/no-plan.jpg">
			<p style="margin-top: 40px;">Unable to display the <?= $projectid ?> project plan because <?= $errormsg ?></p>
			<?php if(count($leaders) != 0 ){ ?>
				<p style="margin-bottom: 60px;">The project team and <?= $leaderstr ?> are responsible for the project plan. You can contact them via the <a href="http://www.eclipse.org/mail/">project's developer mailing list</a>.</p>
			<?php } ?>
		</center>
	</div>
	<?php
}
?>