script.php

<?php

// Must be in workflow root directory.

// @TODO: Rewrite all of this as a class so that we can use more persistent variables
// and test connections fewer times.

require_once( __DIR__ . '/init.php' );
require_once( 'libraries/workflows.php' );
require_once( 'functions.php' );

// Set date/time to avoid warnings/errors.
if ( ! ini_get( 'date.timezone' ) ) {
	$tz = exec( 'tz=`ls -l /etc/localtime` && echo ${tz#*/zoneinfo/}' );
	ini_set( 'date.timezone', $tz );
}

// Get the version of OSX; if we aren't using Mavericks, then they don't get access to the GUI.
$gui = false;
$version = explode( '.',  phpversion() );
if ( 5 < $version[0] ) {
	$gui = true;
} else if ( 3 < $version[1] && 5 === (int) $version[0] ) {
	$gui = true;
}

firstRun();

$bundle = 'com.packal';
$q      = $argv;
$w      = new Workflows;
$HOME   = exec( 'echo $HOME' );
$data   = DATA_DIR;
$cache  = CACHE_DIR;

$connection = checkConnection();

if ( $connection === false ) {
	  $w->result( '', '', 'Warning: no viable Internet connection',
	  'Some features of this workflow will be unavailable without a solid Internet connection', 'assets/icons/task-attention.png', 'no', '');
}

if ( ! file_exists( $data ) ) {
	mkdir( "$data", 0775, true );
}
if ( ! file_exists( $cache ) ) {
	mkdir( "$cache", 0775, true );
}
if ( ! file_exists( "$data/config" ) ) {
	mkdir( "$data/config", 0775, true );
}
if ( ! file_exists( "$data/endpoints" ) ) {
	mkdir( "$data/endpoints", 0775, true );
}

if ( ! file_exists( "$data/config/blacklist.json" ) ) {
	// Make an empty blacklist file if one doesn't exist.
	$blacklist = array();
	file_put_contents( "$data/config/blacklist.json", utf8_encode( json_encode( $blacklist ) ) );
}

generateEndpoints();

// Not all of these are used right now.
if ( ! file_exists( "$data/config/config.xml" ) ) {
	$d = '<?xml version="1.0" encoding="UTF-8"?><config></config>';
	$config                    = new SimpleXMLElement( $d );
	$config->packalAccount     = 0;
	$config->forcePackal       = 0;
	$config->backups           = 3;
	$config->username          = '';
	$config->authorName        = '';
	$config->workflowReporting = '1';
	$config->notifications     = '2';
	$config->apiKey            = '';
	$config->asXML( "$data/config/config.xml" );
	unset( $config );
} else {
	$config = simplexml_load_file( "$data/config/config.xml" );
}

if ( ! file_exists( "$data/manifest.xml" ) ) {
	// This should be taken care of in the firstRun() call,
	// but the redundancy is fine.
	if ( getManifest() == false ) {
		$w->result( '', '', 'Error: Packal Updater',
		'The workflow manifest is not valid, and there is no valid Internet connection to retrieve a new one.', 'assets/icons/task-reject.png', 'no', '');
		echo $w->toxml();
		die();
	}
}

// Update the manifest if past cache.
// This is a potential failure spot.
if ( $connection !== false ) {
	exec( "'" . __DIR__ . "/cli/packal.sh' update" );
}

// Do the workflow reporting script as long as the config option is set.
// if ( $config->workflowReporting == '1' ) {
// 	exec( "nohup php '" . __DIR__ . "/report-usage-data.php'  > /dev/null 2>&1 &" );
// }

$blacklist = json_decode( file_get_contents( "$data/config/blacklist.json" ), true );
$manifest  = @simplexml_load_file( "$data/manifest.xml" );

// The manifest is not valid. Let's try to get it before we fail.
if ( empty( $manifest ) ) {
	if ( getManifest() === false ) {
		$w->result( '', '', 'Error: Packal Updater',
		'The workflow manifest is not valid, and there is no valid Internet connection to retrieve a new one.', 'assets/icons/task-reject.png', 'no', '');
		echo $w->toxml();
		die();
	}
	// So, the we didn't get an error, but let's try to make sure it is valid XML.
	$manifest = @simplexml_load_file( "$data/manifest.xml" );
	if ( empty( $manifest ) ) {
		$w->result( '', '', 'Error: Packal Updater',
		'The workflow manifest is not valid, and there is no valid Internet connection to retrieve a new one.', 'assets/icons/task-reject.png', 'no', '');
		echo $w->toxml();
		die();
	}
}

// Okay, we're good. Or, at least we should be.

$json      = json_decode( file_get_contents( "$data/endpoints/endpoints.json" ), true );
$mine      = array_keys( $json );
$count     = count( $manifest->workflow );
$me        = exec( "php '" . __DIR__ . "/cli/packal.php' getOption username" );

foreach ( $manifest->workflow as $wf ) :

	if ( in_array( $wf->bundle, $mine ) ) {
		$packal[] = (string) $wf->bundle;

		if ( isset( $me ) && ( ! empty( $me ) ) && ( $wf->author == $me ) ) {
			$mywf[] = (string) $wf->bundle;
		}
	}
endforeach;
unset( $wf );

// Grab manifest information.
foreach ( $manifest as $m ) :
	$manifestBundles[]               = $m->bundle;
	$wf[ "$m->bundle" ]['name']    = $m->name;
	$wf[ "$m->bundle" ]['author']  = $m->author;
	$wf[ "$m->bundle" ]['version'] = $m->version;
	$wf[ "$m->bundle" ]['short']   = $m->short;
	$wf[ "$m->bundle" ]['updated'] = $m->updated;
	$wf[ "$m->bundle" ]['url']     = $m->url;
endforeach;

foreach ( $json as $k => $v ) :
	$pattern = '/[\/A-Za-z0-9-_ .]{1,}\/user\.workflow\.([0-9A-Z.-]{1,})/';
	preg_match( $pattern, $v, $matches );
	if ( isset( $matches[1] ) ) {
		$json[ $k ] = 'user.workflow.' . $matches[1];
	}
endforeach;
foreach ( $json as $k => $v ) :
	if ( file_exists( "../$v/packal/package.xml" ) ) {
		$p = simplexml_load_file( "../$v/packal/package.xml" );
		if ( in_array( $k, $manifestBundles ) ) {
			if ( (string) $p->version != $wf[ "$k" ]['version'] ) {
				if ( ! in_array( $k, $blacklist ) ) {
					$updates[ $k ]['name'] = (string) $p->name;
					$updates[ $k ]['path'] = "../$v";
					$updates[ $k ]['version'] = (string) $p->version;
				}
			}
		}
	}
endforeach;

if ( empty( $q[1] ) ) {
	if ( ! isset( $updates ) ) {
		$w->result( 'updates', 'updates', 'All of your workflows are up to date.', '', 'assets/icons/task-complete.png', 'no', '' );
	} else {
		if ( count( $updates ) > 1 ) {
			$message = 'There are ' . count( $updates ) . ' updates pending.';
		} else { $message = 'There is 1 update pending.';
		}

		$w->result( 'updates', 'updates', 'Updates available', $message, '', 'no', 'update' );
	}

	if ( ( time() - filemtime( "$data/manifest.xml" ) < 86400 ) ) {
		$manifestTime = getManifestModTime();
		$w->result( '', 'manifest-update', 'The manifest is up to date.', "Last updated $manifestTime", 'assets/icons/task-complete.png', 'yes', '' );
	} else {
		$manifestTime = getManifestModTime();
		$w->result( '', 'manifest-update', 'The manifest is out of date.', "Last updated $manifestTime", 'assets/icons/task-attention.png', 'yes', '' );
	}

	if ( $gui === true ) {
		$w->result( 'open-gui', 'open-gui', "Open Graphical 'Application'",
		'Configure this workflow, Update workflows, and learn about this workflow. (RECOMMENDED)', 'assets/icons/applications-education-miscellaneous.png', 'yes', '');
	} else {
		$w->result( '', '', "GUI Not Available'",
		'A GUI to configure and operate this workflow is available if you have OS X 10.9 or 10.10.', 'assets/icons/applications-education-miscellaneous.png', 'no', '');
	}

	if ( isset( $mywf ) ) {
		$mywf = count( $mywf );
	} else { $mywf = 0;
	}

	// if ( isset( $config->authorName ) && ( ! empty( $config->authorName ) ) {
	//   $w->result( '', '', 'Informational',
	//     "There are $count workflows in the manifest," .
	//     " of which, you have " . count( $packal ) .
	//     " installed, and you wrote " . $mywf . " of those.", '', 'no', '');
	// }

	$w->result( 'blacklist', 'blacklist', 'Manage Blacklist', 'Configure which workflows Packal updates', 'assets/icons/flag-black.png', 'no', 'blacklist' );

	$w->result( '', '', 'Informational',
		"There are $count workflows in the manifest," .
		' of which, you have ' . count( $packal ) .
	' installed, and you wrote ' . $mywf . ' of those.', 'assets/icons/help-about.png', 'no', '');

	$w->result( '', 'setup', 'Configure', 'Make this workflow work best for you.', 'assets/icons/applications-system.png', 'no', 'setup' );

	echo $w->toxml();
	die();
}

if ( strpos( $q[1], 'update' ) !== false ) {
	if ( ! isset( $updates ) ) {
		$updates = array();
	}
	if ( count( $updates ) > 0 ) {
		if ( count( $updates ) > 1 ) {
			// Don't allow the updates if there is no internet connection.
			if ( $connection !== false ) {
				$w->result( 'update-all', 'update-all', 'Update all workflows', '', '', 'yes', '' );
			}
		}
		foreach ( $updates as $k => $v ) :

			// Get the workflow icon, if it exists, otherwise, fallback to package icon
			if ( file_exists( $v['path'] . '/icon.png' ) ) {
				$icon = $v['path'] . '/icon.png';
			} else { $icon = 'assets/icons/package.png';
			}
			if ( $connection !== false ) {
				$w->result( "update-$k", "update-$k", 'Update ' . $v['name'], 'Update version ' . $v['version'] . ' => ' . $wf[ $k ]['version'], $v['path'] . '/icon.png', '', '' );
			} else { $w->result( "update-$k", '', 'An update for ' . $v['name'] . ' is available.', 'Update version ' . $v['version'] . ' => ' . $wf[ $k ]['version'] . '. << Exception: no viable Internet connection. Update impossible. >>' , $v['path'] . '/icon.png', 'no', '' );
			}
		endforeach;
	} else {
		$w->result( '', '', 'All of your workflows are up to date.', '', 'assets/icons/task-complete.png', 'no', '' );
	}

	echo $w->toxml();
	// We're done here.
	die();
}

if ( strpos( $q[1], 'setup' ) !== false ) {

	// The next argument removes the forced-setup option.
	if ( ( ! file_exists( "$data/config/first-run-alfred" ) ) && ( ! file_exists( "$data/config/first-run" ) ) ) {
		file_put_contents( "$data/config/first-run-alfred", 'done' );
	}

	$options = array(
	'authorName'        => 'What name do you use when you write workflows?',
	'packalAccount'     => 'Do you have an account on Packal?',
	'username'          => 'What is your Packal username?',
	'workflowReporting' => 'Would you like to send anonymous data about your installed workflows to Packal.org?',
	'backups'           => 'How many backups of workflows would you like to keep?',
	);
	foreach ( $options as $k => $v ) :
		if ( isset( $config->$k ) ) {
			if ( ( (string) $config->$k == '1' ) && ( $k != 'backups' ) ) {
				$message = 'Current value: Yes';
			} elseif ( ( (string) $config->$k == '0' ) && ( $k != 'backups' ) ) {
				$message = 'Current value: No';
			} else {
				if ( ! empty( $config->$k ) ) {
					$message = 'Current value: ' . $config->$k;
				} else { $message = '< not set >';
				}
			}
		} else {
			$message = 'Not set.';
		}

		// Setup icons per option
		$icon = 'assets/icons/';
		switch ( $k ) :
			case 'authorName':
				$icon .= 'code-context.png';
			  break;
			case 'username' :
				$icon .= 'im-user.png';
			  break;
			case 'workflowReporting' :
				$icon .= 'svn-commit.png';
			  break;
			case 'backups' :
				$icon .= 'player-time.png';
			  break;
			case 'packalAccount' :
				$icon .= 'flag.png';
			  break;
			default:
				$icon = '';
			  break;
		endswitch;

		if ( ( $k == 'username' ) && ( $config->packalAccount == 1 ) ) {
			$w->result( "set-$k", "set-$k", $v, $message, $icon, 'yes', '' );
		} elseif ( ( $k == 'packalAccount' ) && ( $config->packalAccount == 1 ) ) {
			continue;
		} elseif ( ! ( $k == 'username' ) ) {
			$w->result( "set-$k", "set-$k", $v, $message, $icon, 'yes', '' );
		}
	endforeach;

	echo $w->toxml();
	die();

} elseif ( strpos( $q[1], 'blacklist' ) !== false ) {
	// Option to Blacklist a workflow

	// @TODO: Sort the workflows by name.
	foreach ( $json as $k => $v ) :
		if ( file_exists( "../$v/packal/package.xml" ) ) {
			if ( in_array( $k, $manifestBundles ) ) {
				if ( ! in_array( $k, $blacklist ) ) {
					$w->result( "blacklist-$k", "blacklist-$k", "Add '" . $wf[ $k ]['name'] . "' to blacklist", "Prevent Packal from updating '" . $wf[ $k ]['name'] . "' ($k)", 'assets/icons/user-online.png', 'yes', '' );
				} else {
					$w->result( "whitelist-$k", "whitelist-$k", "Remove '" . $wf[ $k ]['name'] . "' from blacklist", "Let Packal update '" . $wf[ $k ]['name'] . "' ($k)", 'assets/icons/user-offline.png', 'yes', '' );
				}
			}
		}
	endforeach;

	echo $w->toxml();
	die();
}

// For all good measures....
echo $w->toxml();
die();