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fdroidserver/wp-fdroid/wp-fdroid.php
Ciaran Gultnieks 43ccdce0ac wp-fdroid: Properly escape fdfilter 
Resolves an XSS issue identified by Cure53 (https://cure53.de)
2015-01-26 18:30:01 +00:00

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<?php
/*
Plugin Name: WP FDroid
Plugin URI: https://f-droid.org/
Description: An FDroid repository browser
Author: Ciaran Gultnieks
Version: 0.02
Author URI: http://ciarang.com
Revision history
0.02 - 2014-04-17: It's changed somewhat since then
0.01 - 2010-12-04: Initial development version
*/
include('android-permissions.php');
// Widget for displaying latest apps.
class FDroidLatestWidget extends WP_Widget {
function FDroidLatestWidget() {
parent::__construct(false, 'F-Droid Latest Apps');
}
function widget( $args, $instance ) {
extract($args);
$title = apply_filters('widget_title', $instance['title']);
echo $before_widget;
echo $before_title . $title . $after_title;
$handle = fopen(getenv('DOCUMENT_ROOT').'/repo/latestapps.dat', 'r');
if ($handle) {
while (($buffer = fgets($handle, 4096)) !== false) {
$app = explode("\t", $buffer);
echo '<div style="width:100%">';
if(isset($app[2]) && trim($app[2])) {
echo '<img src="' . site_url() . '/repo/icons/'.$app[2].'" style="width:32px;border:none;float:right;" />';
}
echo '<p style="margin:0px;"><a href="/repository/browse/?fdid='.$app[0].'">';
echo $app[1].'</a><br/>';
if(isset($app[3]) && trim($app[3])) {
echo '<span style="color:#BBBBBB;">'.$app[3].'</span></p>';
}
echo '</div>';
}
fclose($handle);
}
echo $after_widget;
}
function update($new_instance, $old_instance) {
$instance = array();
$instance['title'] = (!empty($new_instance['title'])) ? strip_tags($new_instance['title']) : '';
return $instance;
}
function form($instance) {
if (isset($instance['title'])) {
$title = $instance['title'];
}
else {
$title = __('New title', 'text_domain');
}
?>
<p>
<label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
<input class="widefat" id="<?php echo $this->get_field_id('title'); ?>" name="<?php echo $this->get_field_name('title'); ?>" type="text" value="<?php echo esc_attr($title); ?>">
</p>
<?php
}
}
class FDroid
{
// Our text domain, for internationalisation
private $textdom='wp-fdroid';
private $site_path;
// Constructor
function FDroid() {
add_shortcode('fdroidrepo',array($this, 'do_shortcode'));
add_filter('query_vars',array($this, 'queryvars'));
$this->inited=false;
$this->site_path=getenv('DOCUMENT_ROOT');
add_action('widgets_init', function() {
register_widget('FDroidLatestWidget');
});
}
// Register additional query variables. (Handler for the 'query_vars' filter)
function queryvars($qvars) {
$qvars[]='fdfilter';
$qvars[]='fdcategory';
$qvars[]='fdid';
$qvars[]='fdpage';
$qvars[]='fdstyle';
return $qvars;
}
// Lazy initialise. All non-trivial members should call this before doing anything else.
function lazyinit() {
if(!$this->inited) {
load_plugin_textdomain($this->textdom, PLUGINDIR.'/'.dirname(plugin_basename(__FILE__)), dirname(plugin_basename(__FILE__)));
$this->inited=true;
}
}
// Gets a required query parameter by name.
function getrequiredparam($name) {
global $wp_query;
if(!isset($wp_query->query_vars[$name]))
wp_die("Missing parameter ".$name,"Error");
return $wp_query->query_vars[$name];
}
// Handler for the 'fdroidrepo' shortcode.
// $attribs - shortcode attributes
// $content - optional content enclosed between the starting and
// ending shortcode
// Returns the generated content.
function do_shortcode($attribs,$content=null) {
global $wp_query,$wp_rewrite;
$this->lazyinit();
// Init local query vars
foreach($this->queryvars(array()) as $qv) {
if(array_key_exists($qv,$wp_query->query_vars)) {
$query_vars[$qv] = $wp_query->query_vars[$qv];
} else {
$query_vars[$qv] = null;
}
}
// Sanity check and standardise all query variables...
if(!isset($query_vars['fdpage']) || !is_numeric($query_vars['fdpage']) || $query_vars['fdpage'] <= 0) {
$query_vars['fdpage'] = 1;
} else {
$query_vars['fdpage'] = strval(intval($query_vars['fdpage']));
}
if(isset($query_vars['fdstyle']) && ($query_vars['fdstyle'] != 'list' && $query_vars['fdstyle'] != 'grid')) {
$query_vars['fdstyle'] = 'list';
}
if(isset($query_vars['fdcategory'])) {
if($query_vars['fdcategory'] == 'All categories') {
unset($query_vars['fdcategory']);
} else {
$query_vars['fdcategory'] = sanitize_text_field($query_vars['fdcategory']);
}
}
if(isset($query_vars['fdfilter'])) {
$query_vars['fdfilter'] = sanitize_text_field($query_vars['fdfilter']);
} else {
if(isset($attribs['search'])) {
$query_vars['fdfilter'] = '';
}
}
if(isset($query_vars['fdid'])) {
$query_vars['fdid'] = sanitize_text_field($query_vars['fdid']);
}
$out = '';
if($query_vars['fdid']!==null) {
$out.=$this->get_app($query_vars);
} else {
$out.='<form name="searchform" action="" method="get">';
$out.='<p><input name="fdfilter" type="text" value="'.esc_attr($query_vars['fdfilter']).'" size="30"> ';
$out.='<input type="hidden" name="fdpage" value="1">';
$out.='<input type="submit" value="Search"></p>';
$out.=$this->makeformdata($query_vars);
$out.='</form>'."\n";
$out.=$this->get_apps($query_vars);
}
return $out;
}
// Get a URL for a full description of a license, as given by one of our
// pre-defined license abbreviations. This is a temporary function, as this
// needs to be data-driven so the same information can be used by the client,
// the web site and the documentation.
function getlicenseurl($license) {
switch($license) {
case 'MIT':
return 'https://www.gnu.org/licenses/license-list.html#X11License';
case 'NewBSD':
return 'https://www.gnu.org/licenses/license-list.html#ModifiedBSD';
case 'BSD':
return 'https://www.gnu.org/licenses/license-list.html#OriginalBSD';
case 'GPLv3':
case 'GPLv3+':
return 'https://www.gnu.org/licenses/license-list.html#GNUGPLv3';
case 'GPLv2':
case 'GPLv2+':
return 'https://www.gnu.org/licenses/license-list.html#GPLv2';
case 'AGPLv3':
case 'AGPLv3+':
return 'https://www.gnu.org/licenses/license-list.html#AGPLv3.0';
case 'LGPL':
return 'https://www.gnu.org/licenses/license-list.html#LGPL';
case 'LGPL':
case 'LGPLv3':
return 'https://www.gnu.org/licenses/license-list.html#LGPLv3';
case 'LGPLv2.1':
return 'https://www.gnu.org/licenses/license-list.html#LGPLv2.1';
case 'Apache2':
return 'https://www.gnu.org/licenses/license-list.html#apache2';
case 'WTFPL':
return 'https://www.gnu.org/licenses/license-list.html#WTFPL';
default:
return null;
}
}
function androidversion($sdkLevel) {
switch ($sdkLevel) {
case 21: return "5.0";
case 20: return "4.4W";
case 19: return "4.4";
case 18: return "4.3";
case 17: return "4.2";
case 16: return "4.1";
case 15: return "4.0.3";
case 14: return "4.0";
case 13: return "3.2";
case 12: return "3.1";
case 11: return "3.0";
case 10: return "2.3.3";
case 9: return "2.3";
case 8: return "2.2";
case 7: return "2.1";
case 6: return "2.0.1";
case 5: return "2.0";
case 4: return "1.6";
case 3: return "1.5";
case 2: return "1.1";
case 1: return "1.0";
default: return "?";
}
}
function get_app($query_vars) {
global $permissions_data;
$permissions_object = new AndroidPermissions($this->site_path.'/wp-content/plugins/wp-fdroid/AndroidManifest.xml',
$this->site_path.'/wp-content/plugins/wp-fdroid/strings.xml',
sys_get_temp_dir().'/android-permissions.cache');
$permissions_data = $permissions_object->get_permissions_array();
// Get app data
$xml = simplexml_load_file($this->site_path.'/repo/index.xml');
foreach($xml->children() as $app) {
$attrs=$app->attributes();
if($attrs['id']==$query_vars['fdid']) {
$apks=array();;
foreach($app->children() as $el) {
switch($el->getName()) {
case "name":
$name=$el;
break;
case "icon":
$icon=$el;
break;
case "summary":
$summary=$el;
break;
case "desc":
$desc=$el;
break;
case "license":
$license=$el;
break;
case "source":
$source=$el;
break;
case "tracker":
$issues=$el;
break;
case "donate":
$donate=$el;
break;
case "flattr":
$flattr=$el;
break;
case "web":
$web=$el;
break;
case "antifeatures":
$antifeatures=$el;
break;
case "requirements":
$requirements=$el;
break;
case "package":
$thisapk=array();
foreach($el->children() as $pel) {
switch($pel->getName()) {
case "version":
$thisapk['version']=$pel;
break;
case "vercode":
$thisapk['vercode']=$pel;
break;
case "added":
$thisapk['added']=$pel;
break;
case "apkname":
$thisapk['apkname']=$pel;
break;
case "srcname":
$thisapk['srcname']=$pel;
break;
case "hash":
$thisapk['hash']=$pel;
break;
case "size":
$thisapk['size']=$pel;
break;
case "sdkver":
$thisapk['sdkver']=$pel;
break;
case "maxsdkver":
$thisapk['maxsdkver']=$pel;
break;
case "nativecode":
$thisapk['nativecode']=$pel;
break;
case "permissions":
$thisapk['permissions']=$pel;
break;
}
}
$apks[]=$thisapk;
}
}
// Generate app diff data
foreach(array_reverse($apks, true) as $key=>$apk) {
if(isset($previous)) {
// Apk size
$apks[$key]['diff']['size'] = $apk['size']-$previous['size'];
}
// Permissions
$permissions = explode(',',$apk['permissions']);
$permissionsPrevious = isset($previous['permissions'])?explode(',',$previous['permissions']):array();
$apks[$key]['diff']['permissions']['added'] = array_diff($permissions, $permissionsPrevious);
$apks[$key]['diff']['permissions']['removed'] = array_diff($permissionsPrevious, $permissions);
$previous = $apk;
}
// Output app information
$out='<div id="appheader">';
$out.='<div style="float:left;padding-right:10px;"><img src="' . site_url() . '/repo/icons/'.$icon.'" width=48></div>';
$out.='<p><span style="font-size:20px">'.$name."</span>";
$out.="<br>".$summary."</p>";
$out.="</div>";
$out.=str_replace('href="fdroid.app:', 'href="/repository/browse/?fdid=', $desc);
if(isset($antifeatures)) {
$antifeaturesArray = explode(',',$antifeatures);
foreach($antifeaturesArray as $antifeature) {
$antifeatureDescription = $this->get_antifeature_description($antifeature);
$out.='<p style="border:3px solid #CC0000;background-color:#FFDDDD;padding:5px;"><strong>'.$antifeatureDescription['name'].'</strong><br />';
$out.=$antifeatureDescription['description'].' <a href="/wiki/page/Antifeature:'.$antifeature.'">more...</a></p>';
}
}
$out.="<p>";
$licenseurl=$this->getlicenseurl($license);
$out.="<b>License:</b> ";
if($licenseurl)
$out.='<a href="'.$licenseurl.'" target="_blank">';
$out.=$license;
if($licenseurl)
$out.='</a>';
if(isset($requirements)) {
$out.='<br /><b>Additional requirements:</b> '.$requirements;
}
$out.="</p>";
$out.="<p>";
if(strlen($web)>0)
$out.='<b>Website:</b> <a href="'.$web.'">'.$web.'</a><br />';
if(strlen($issues)>0)
$out.='<b>Issue Tracker:</b> <a href="'.$issues.'">'.$issues.'</a><br />';
if(strlen($source)>0)
$out.='<b>Source Code:</b> <a href="'.$source.'">'.$source.'</a><br />';
if(isset($donate) && strlen($donate)>0)
$out.='<b>Donate:</b> <a href="'.$donate.'">'.$donate.'</a><br />';
if(isset($flattr) && strlen($flattr)>0)
$out.='<b>Flattr:</b> <a href="https://flattr.com/thing/'.$flattr.'"><img src="/wp-content/uploads/flattr-badge-large.png" style="border:0" /></a><br />';
$out.="</p>";
$out.="<p>For full details and additional technical information, see ";
$out.="<a href=\"/wiki/page/".$query_vars['fdid']."\">this application's page</a> on the F-Droid wiki.</p>";
$out.='<script type="text/javascript">';
$out.='function showHidePermissions(id) {';
$out.=' if(document.getElementById(id).style.display==\'none\')';
$out.=' document.getElementById(id).style.display=\'block\';';
$out.=' else';
$out.=' document.getElementById(id).style.display=\'none\';';
$out.=' return false;';
$out.='}';
$out.='</script>';
$out.="<h3>Packages</h3>";
$out.='<div style="float:right; margin-left:10px;"><a id="downloadbutton" href="https://f-droid.org/FDroid.apk"><span>Download F-Droid</span></a></div>';
$out.="<p>Although APK downloads are available below to give ";
$out.="you the choice, you should be aware that by installing that way you ";
$out.="will not receive update notifications, and it's a less secure way ";
$out.="to download. ";
$out.="We recommend that you install the F-Droid client and use that.</p>";
$i=0;
foreach($apks as $apk) {
$first = $i+1==count($apks);
$out.="<p><b>Version ".$apk['version']."</b>";
$out.=" - Added on ".$apk['added']."<br />";
$hasminsdk = isset($apk['sdkver']);
$hasmaxsdk = isset($apk['maxsdkver']);
if($hasminsdk && $hasmaxsdk) {
$out.="<p>This version requires Android ".$this->androidversion($apk['sdkver'])." up to ".$this->androidversion($apk['maxsdkver'])."</p>";
} elseif($hasminsdk) {
$out.="<p>This version requires Android ".$this->androidversion($apk['sdkver'])." or newer.</p>";
} elseif($hasmaxsdk) {
$out.="<p>This version requires Android ".$this->androidversion($apk['maxsdkver'])." or old.</p>";
}
$hasabis = isset($apk['nativecode']);
if($hasabis) {
$abis = str_replace(',', ' ', $apk['nativecode']);
$out.="<p>This version uses native code and will only run on: ".$abis."</p>";
}
// Is this source or binary?
$srcbuild = isset($apk['srcname']) && file_exists($this->site_path.'/repo/'.$apk['srcname']);
$out.="<p>This version is built and signed by ";
if($srcbuild) {
$out.="F-Droid, and guaranteed to correspond to the source tarball below.</p>";
} else {
$out.="the original developer.</p>";
}
$out.='<a href="https://f-droid.org/repo/'.$apk['apkname'].'">download apk</a> ';
$out.=$this->human_readable_size($apk['size']);
$diffSize = $apk['diff']['size'];
if(abs($diffSize) > 500) {
$out.=' <span style="color:#AAAAAA;">(';
$out.=$diffSize>0?'+':'';
$out.=$this->human_readable_size($diffSize, 1).')</span>';
}
if(file_exists($this->site_path.'/repo/'.$apk['apkname'].'.asc')) {
$out.=' <a href="https://f-droid.org/repo/'.$apk['apkname'].'.asc">GPG Signature</a> ';
}
if($srcbuild) {
$out.='<br /><a href="https://f-droid.org/repo/'.$apk['srcname'].'">source tarball</a> ';
$out.=$this->human_readable_size(filesize($this->site_path.'/repo/'.$apk['srcname']));
}
if(isset($apk['permissions'])) {
// Permissions diff link
if($first == false) {
$permissionsAddedCount = count($apk['diff']['permissions']['added']);
$permissionsRemovedCount = count($apk['diff']['permissions']['removed']);
$divIdDiff='permissionsDiff'.$i;
if($permissionsAddedCount || $permissionsRemovedCount) {
$out.='<br /><a href="javascript:void(0);" onClick="showHidePermissions(\''.$divIdDiff.'\');">permissions diff</a>';
$out.=' <span style="color:#AAAAAA;">(';
if($permissionsAddedCount)
$out.='+'.$permissionsAddedCount;
if($permissionsAddedCount && $permissionsRemovedCount)
$out.='/';
if($permissionsRemovedCount)
$out.='-'.$permissionsRemovedCount;
$out.=')</span>';
}
else
{
$out.='<br /><span style="color:#999999;">no permission changes</span>';
}
}
// Permissions list link
$permissionsListString = $this->get_permission_list_string(explode(',',$apk['permissions']), $permissions_data, $summary);
/*if($i==0)
$divStyleDisplay='block';
else*/
$divStyleDisplay='none';
$divId='permissions'.$i;
$out.='<br /><a href="javascript:void(0);" onClick="showHidePermissions(\''.$divId.'\');">view permissions</a>';
$out.=' <span style="color:#AAAAAA;">['.$summary.']</span>';
$out.='<br/>';
// Permissions list
$out.='<div style="display:'.$divStyleDisplay.';" id="'.$divId.'">';
$out.=$permissionsListString;
$out.='</div>';
// Permissions diff
{
$out.='<div style="display:'.$divStyleDisplay.';" id="'.$divIdDiff.'">';
$permissionsRemoved = $apk['diff']['permissions']['removed'];
usort($permissionsRemoved, "permissions_cmp");
// Added permissions
if($permissionsAddedCount) {
$out.='<h5>ADDED</h5><br />';
$out.=$this->get_permission_list_string($apk['diff']['permissions']['added'], $permissions_data, $summary);
}
// Removed permissions
if($permissionsRemovedCount) {
$out.='<h5>REMOVED</h5><br />';
$out.=$this->get_permission_list_string($apk['diff']['permissions']['removed'], $permissions_data, $summary);
}
$out.='</div>';
}
}
else {
$out.='<br /><span style="color:#999999;">no extra permissions needed</span><br />';
}
$out.='</p>';
$i++;
}
$out.='<hr><p><a href="'.makelink($query_vars,array('fdid'=>null)).'">Index</a></p>';
return $out;
}
}
return "<p>Application not found</p>";
}
private function get_permission_list_string($permissions, $permissions_data, &$summary) {
$out='';
usort($permissions, "permissions_cmp");
$permission_group_last = '';
foreach($permissions as $permission) {
$permission_group = $permissions_data['permission'][$permission]['permissionGroup'];
if($permission_group != $permission_group_last) {
$permission_group_label = $permissions_data['permission-group'][$permission_group]['label'];
if($permission_group_label=='') $permission_group_label = 'Extra/Custom';
$out.='<strong>'.strtoupper($permission_group_label).'</strong><br/>';
$permission_group_last = $permission_group;
}
$out.=$this->get_permission_protection_level_icon($permissions_data['permission'][$permission]['protectionLevel']).' ';
$out.='<strong>'.$permissions_data['permission'][$permission]['label'].'</strong> [<code>'.$permission.'</code>]<br/>';
if($permissions_data['permission'][$permission]['description']) $out.=$permissions_data['permission'][$permission]['description'].'<br/>';
//$out.=$permissions_data['permission'][$permission]['comment'].'<br/>';
$out.='<br/>';
if(!isset($summaryCount[$permissions_data['permission'][$permission]['protectionLevel']]))
$summaryCount[$permissions_data['permission'][$permission]['protectionLevel']] = 0;
$summaryCount[$permissions_data['permission'][$permission]['protectionLevel']]++;
}
$summary = '';
if(isset($summaryCount)) {
foreach($summaryCount as $protectionLevel => $count) {
$summary .= $this->get_permission_protection_level_icon($protectionLevel, 'regular').' '.$count;
$summary .= ', ';
}
}
$summary = substr($summary,0,-2);
return $out;
}
private function get_permission_protection_level_icon($protection_level, $size='adjusted') {
$iconString = '';
if($protection_level=='dangerous') {
$iconString .= '<span style="color:#DD9900;';
if($size=='adjusted')
$iconString .= 'font-size:150%;';
$iconString .= '">&#x26a0;</span>'; // WARNING SIGN
}
elseif($protection_level=='normal') {
$iconString .= '<span style="color:#6666FF;';
if($size=='adjusted')
$iconString .= 'font-size:110%;';
$iconString .= '">&#x24D8;</span>'; // CIRCLED LATIN SMALL LETTER I
}
elseif($protection_level=='signature') {
$iconString .= '<span style="color:#33AAAA;';
if($size=='adjusted')
$iconString .= 'font-size:140%;';
$iconString .= '">&#x273D;</span>'; // HEAVY TEARDROP-SPOKED ASTERISK
}
elseif($protection_level=='signatureOrSystem') {
$iconString .= '<span style="color:#DD66DD;';
if($size=='adjusted')
$iconString .= 'font-size:140%;';
$iconString .= '">&#x269B;</span>'; // ATOM SYMBOL
}
else {
$iconString .= '<span style="color:#33AA33';
if($size=='adjusted')
$iconString .= ';font-size:130%;';
$iconString .= '">&#x2699;</span>'; // GEAR
}
return $iconString;
}
private function human_readable_size($size, $minDiv=0) {
$si_prefix = array('bytes','kB','MB');
$div = 1024;
for($i=0;(abs($size) > $div && $i < count($si_prefix)) || $i<$minDiv;$i++) {
$size /= $div;
}
return round($size,max(0,$i-1)).' '.$si_prefix[$i];
}
private function get_antifeature_description($antifeature) {
// Anti feature names and descriptions
$antifeatureDescription['Ads']['name'] = 'Advertising';
$antifeatureDescription['Ads']['description'] = 'This application contains advertising.';
$antifeatureDescription['Tracking']['name'] = 'Tracks You';
$antifeatureDescription['Tracking']['description'] = 'This application tracks and reports your activity to somewhere.';
$antifeatureDescription['NonFreeNet']['name'] = 'Non-Free Network Services';
$antifeatureDescription['NonFreeNet']['description'] = 'This application promotes a non-Free network service.';
$antifeatureDescription['NonFreeAdd']['name'] = 'Non-Free Addons';
$antifeatureDescription['NonFreeAdd']['description'] = 'This application promotes non-Free add-ons.';
$antifeatureDescription['NonFreeDep']['name'] = 'Non-Free Dependencies';
$antifeatureDescription['NonFreeDep']['description'] = 'This application depends on another non-Free application.';
$antifeatureDescription['UpstreamNonFree']['name'] = 'Upstream Non-Free';
$antifeatureDescription['UpstreamNonFree']['description'] = 'The upstream source code is non-free.';
if(isset($antifeatureDescription[$antifeature])) {
return $antifeatureDescription[$antifeature];
}
return array('name'=>$antifeature);
}
function get_apps($query_vars) {
$xml = simplexml_load_file($this->site_path."/repo/index.xml");
$matches = $this->show_apps($xml,$query_vars,$numpages);
$out='';
if(($query_vars['fdfilter']===null || $query_vars['fdfilter']!='') && $numpages>0)
{
$out.='<div style="float:left;">';
if($query_vars['fdfilter']===null) {
$categories = array('All categories');
$handle = fopen(getenv('DOCUMENT_ROOT').'/repo/categories.txt', 'r');
if ($handle) {
while (($buffer = fgets($handle, 4096)) !== false) {
$categories[] = rtrim($buffer);
}
fclose($handle);
}
$out.='<form name="categoryform" action="" method="get">';
$out.=$this->makeformdata($query_vars);
$out.='<select name="fdcategory" style="color:#333333;" onChange="document.categoryform.submit();">';
foreach($categories as $category) {
$out.='<option';
if(isset($query_vars['fdcategory']) && $category==$query_vars['fdcategory'])
$out.=' selected';
$out.='>'.$category.'</option>';
}
$out.='</select>';
$out.='</form>'."\n";
}
else {
$out.='Applications matching "'.esc_attr($query_vars['fdfilter']).'"';
}
$out.="</div>";
$out.='<div style="float:right;">';
$out.='<a href="'.makelink($query_vars, array('fdstyle'=>'list', 'fdpage'=>1)).'">List</a> | ';
$out.='<a href="'.makelink($query_vars, array('fdstyle'=>'grid', 'fdpage'=>1)).'">Grid</a>';
$out.='</div>';
$out.='<br break="all"/>';
}
if($numpages>0) {
$out.=$matches;
$out.='<hr><p>';
$out.='<div style="width:20%; float:left; text-align:left;">';
$out.=' Page '.$query_vars['fdpage'].' of '.$numpages.' ';
$out.='</div>';
$out.='<div style="width:60%; float:left; text-align:center;">';
if($numpages>1) {
for($i=1;$i<=$numpages;$i++) {
if($i == $query_vars['fdpage']) {
$out.='<b>'.$i.'</b>';
} else {
$out.='<a href="'.makelink($query_vars, array('fdpage'=>$i)).'">';
$out.=$i;
$out.='</a>';
}
$out.=' ';
}
$out.=' ';
}
$out.='</div>';
$out.='<div style="width:20%; float:left; text-align:right;">';
if($query_vars['fdpage']!=$numpages) {
$out.='<a href="'.makelink($query_vars, array('fdpage'=>($query_vars['fdpage']+1))).'">next&gt;</a> ';
}
$out.='</div>';
$out.='</p>';
} else if($query_vars['fdfilter']!='') {
$out.='<p>No matches</p>';
}
return $out;
}
function makeformdata($query_vars) {
$out='';
$out.='<input type="hidden" name="page_id" value="'.(int)get_query_var('page_id').'">';
foreach($query_vars as $name => $value) {
if($value !== null && $name != 'fdfilter' && $name != 'fdpage')
$out.='<input type="hidden" name="'.esc_attr($name).'" value="'.esc_attr($value).'">';
}
return $out;
}
function show_apps($xml,$query_vars,&$numpages) {
$skipped=0;
$got=0;
$total=0;
if($query_vars['fdstyle']=='grid') {
$outputter = new FDOutGrid();
} else {
$outputter = new FDOutList();
}
$out = "";
$out.=$outputter->outputStart();
foreach($xml->children() as $app) {
if($app->getName() == 'repo') continue;
$appinfo['attrs']=$app->attributes();
$appinfo['id']=$appinfo['attrs']['id'];
foreach($app->children() as $el) {
switch($el->getName()) {
case "name":
$appinfo['name']=$el;
break;
case "icon":
$appinfo['icon']=$el;
break;
case "summary":
$appinfo['summary']=$el;
break;
case "desc":
$appinfo['description']=$el;
break;
case "license":
$appinfo['license']=$el;
break;
case "category":
$appinfo['category']=$el;
break;
}
}
if(($query_vars['fdfilter']===null || $query_vars['fdfilter']!='' && (stristr($appinfo['name'],$query_vars['fdfilter']) || stristr($appinfo['id'],$query_vars['fdfilter']) || stristr($appinfo['summary'],$query_vars['fdfilter']) || stristr($appinfo['description'],$query_vars['fdfilter']))) && (!isset($query_vars['fdcategory']) || $query_vars['fdcategory'] && $query_vars['fdcategory']==$appinfo['category'])) {
if($skipped<($query_vars['fdpage']-1)*$outputter->perpage) {
$skipped++;
} else if($got<$outputter->perpage) {
$out.=$outputter->outputEntry($query_vars, $appinfo);
$got++;
}
$total++;
}
}
$out.=$outputter->outputEnd();
$numpages = ceil((float)$total/$outputter->perpage);
return $out;
}
}
// Class to output app entries in a detailed list format
class FDOutList
{
var $perpage=30;
function FDOutList() {
}
function outputStart() {
return '';
}
function outputEntry($query_vars, $appinfo) {
$out="";
$out.='<hr style="clear:both;" />'."\n";
$out.='<a href="'.makelink($query_vars, array('fdid'=>$appinfo['id'])).'">';
$out.='<div id="appheader">';
$out.='<div style="float:left;padding-right:10px;"><img src="' . site_url() . '/repo/icons/'.$appinfo['icon'].'" style="width:48px;border:none;"></div>';
$out.='<div style="float:right;">';
$out.='<p>Details...</p>';
$out.="</div>\n";
$out.='<p style="color:#000000;"><span style="font-size:20px;">'.$appinfo['name']."</span>";
$out.="<br>".$appinfo['summary']."</p>\n";
$out.="</div>\n";
$out.='</a>';
return $out;
}
function outputEnd() {
return '';
}
}
// Class to output app entries in a compact grid format
class FDOutGrid
{
var $perpage=80;
var $itemCount = 0;
function FDOutGrid() {
}
function outputStart() {
return "\n".'<table border="0" width="100%"><tr>'."\n";
}
function outputEntry($query_vars, $appinfo) {
$link=makelink($query_vars, array('fdid'=>$appinfo['id']));
$out='';
if($this->itemCount%4 == 0 && $this->itemCount > 0)
{
$out.='</tr><tr>'."\n";
}
$out.='<td align="center" valign="top" style="background-color:#F8F8F8;">';
$out.='<p>';
$out.='<div id="appheader" style="text-align:center;width:110px;">';
$out.='<a href="'.$link.'" style="border-bottom-style:none;">';
$out.='<img src="' . site_url() . '/repo/icons/'.$appinfo['icon'].'" style="width:48px;border-width:0;padding-top:5px;padding-bottom:5px;"><br/>';
$out.=$appinfo['name'].'<br/>';
$out.='</a>';
$out.="</div>";
$out.='</p>';
$out.="</td>\n";
$this->itemCount++;
return $out;
}
function outputEnd() {
return '</tr></table>'."\n";
}
}
function permissions_cmp($a, $b) {
global $permissions_data;
$aProtectionLevel = $permissions_data['permission'][$a]['protectionLevel'];
$bProtectionLevel = $permissions_data['permission'][$b]['protectionLevel'];
if($aProtectionLevel != $bProtectionLevel) {
if(strlen($aProtectionLevel)==0) return 1;
if(strlen($bProtectionLevel)==0) return -1;
return strcmp($aProtectionLevel, $bProtectionLevel);
}
$aGroup = $permissions_data['permission'][$a]['permissionGroup'];
$bGroup = $permissions_data['permission'][$b]['permissionGroup'];
if($aGroup != $bGroup) {
return strcmp($aGroup, $bGroup);
}
return strcmp($a, $b);
}
// Make a link to this page, with the current query vars attached and desired params added/modified
function makelink($query_vars, $params=array()) {
$link=get_permalink();
$p = array_merge($query_vars, $params);
// Page 1 is the default, don't clutter urls with it...
if($p['fdpage'] == 1)
unset($p['fdpage']);
// Likewise for list style...
if($p['fdstyle'] == 'list')
unset($p['fdstyle']);
$vars=linkify($p);
if(strlen($vars)==0)
return $link;
if(strpos($link,'?')===false)
$link.='?';
else
$link.='&';
return $link.$vars;
}
// Return the key value pairs in http-get-parameter format as a string
function linkify($vars) {
$retvar = '';
foreach($vars as $k => $v) {
if($k!==null && $v!==null && $v!='')
$retvar .= $k.'='.urlencode($v).'&';
}
return substr($retvar,0,-1);
}
$wp_fdroid = new FDroid();
?>
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