wp-fdroid/wp-fdroid.php

   1 <?php
   2 /*
   3 Plugin Name: WP FDroid
   4 Plugin URI: https://f-droid.org/
   5 Description: An FDroid repository browser
   6 Author: Ciaran Gultnieks
   7 Version: 0.02
   8 Author URI: http://ciarang.com
   9
  10 Revision history
  11 0.02 - 2014-04-17: It's changed somewhat since then
  12 0.01 - 2010-12-04: Initial development version
  13
  14  */
  15
  16 include('android-permissions.php');
  17
  18
  19 // Widget for displaying latest apps.
  20 class FDroidLatestWidget extends WP_Widget {
  21
  22         function FDroidLatestWidget() {
  23                 parent::__construct(false, 'F-Droid Latest Apps');
  24         }
  25
  26         function widget( $args, $instance ) {
  27                 extract($args);
  28                 $title = apply_filters('widget_title', $instance['title']);
  29                 echo $before_widget;
  30                 echo $before_title . $title . $after_title;
  31
  32                 $handle = fopen(getenv('DOCUMENT_ROOT').'/repo/latestapps.dat', 'r');
  33                 if ($handle) {
  34                         while (($buffer = fgets($handle, 4096)) !== false) {
  35                                 $app = explode("\t", $buffer);
  36                                 echo '<div style="width:100%">';
  37                                 if(isset($app[2]) && trim($app[2])) {
  38                                         echo '<img src="' . site_url() . '/repo/icons/'.$app[2].'" style="width:32px;border:none;float:right;" />';
  39                                 }
  40                                 echo '<p style="margin:0px;"><a href="/repository/browse/?fdid='.$app[0].'">';
  41                                 echo $app[1].'</a><br/>';
  42                                 if(isset($app[3]) && trim($app[3])) {
  43                                         echo '<span style="color:#BBBBBB;">'.$app[3].'</span></p>';
  44                                 }
  45                                 echo '</div>';
  46                         }
  47                         fclose($handle);
  48                 }
  49                 echo $after_widget;
  50         }
  51
  52         function update($new_instance, $old_instance) {
  53                 $instance = array();
  54                 $instance['title'] = (!empty($new_instance['title'])) ? strip_tags($new_instance['title']) : '';
  55                 return $instance;
  56         }
  57
  58         function form($instance) {
  59                 if (isset($instance['title'])) {
  60                         $title = $instance['title'];
  61                 }
  62                 else {
  63                         $title = __('New title', 'text_domain');
  64                 }
  65                 ?>
  66                 <p>
  67                 <label for="<?php echo $this->get_field_id('title'); ?>"><?php _e('Title:'); ?></label>
  68                 <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); ?>">
  69                 </p>
  70                 <?php
  71         }
  72 }
  73
  74
  75 class FDroid
  76 {
  77
  78         // Our text domain, for internationalisation
  79         private $textdom='wp-fdroid';
  80
  81         private $site_path;
  82
  83         // Constructor
  84         function FDroid() {
  85                 add_shortcode('fdroidrepo',array($this, 'do_shortcode'));
  86                 add_filter('query_vars',array($this, 'queryvars'));
  87                 $this->inited=false;
  88                 $this->site_path=getenv('DOCUMENT_ROOT');
  89                 add_action('widgets_init', function() {
  90                         register_widget('FDroidLatestWidget');
  91                 });
  92         }
  93
  94
  95         // Register additional query variables. (Handler for the 'query_vars' filter)
  96         function queryvars($qvars) {
  97                 $qvars[]='fdfilter';
  98                 $qvars[]='fdcategory';
  99                 $qvars[]='fdid';
 100                 $qvars[]='fdpage';
 101                 $qvars[]='fdstyle';
 102                 return $qvars;
 103         }
 104
 105
 106         // Lazy initialise. All non-trivial members should call this before doing anything else.
 107         function lazyinit() {
 108                 if(!$this->inited) {
 109                         load_plugin_textdomain($this->textdom, PLUGINDIR.'/'.dirname(plugin_basename(__FILE__)), dirname(plugin_basename(__FILE__)));
 110
 111                         $this->inited=true;
 112                 }
 113         }
 114
 115         // Gets a required query parameter by name.
 116         function getrequiredparam($name) {
 117                 global $wp_query;
 118                 if(!isset($wp_query->query_vars[$name]))
 119                         wp_die("Missing parameter ".$name,"Error");
 120                 return $wp_query->query_vars[$name];
 121         }
 122
 123         // Handler for the 'fdroidrepo' shortcode.
 124         //  $attribs - shortcode attributes
 125         //  $content - optional content enclosed between the starting and
 126         //                       ending shortcode
 127         // Returns the generated content.
 128         function do_shortcode($attribs,$content=null) {
 129                 global $wp_query,$wp_rewrite;
 130                 $this->lazyinit();
 131
 132                 // Init local query vars
 133                 foreach($this->queryvars(array()) as $qv) {
 134                         if(array_key_exists($qv,$wp_query->query_vars)) {
 135                                 $query_vars[$qv] = $wp_query->query_vars[$qv];
 136                         } else {
 137                                 $query_vars[$qv] = null;
 138                         }
 139                 }
 140
 141                 // Sanity check and standardise all query variables...
 142                 if(!isset($query_vars['fdpage']) || !is_numeric($query_vars['fdpage']) || $query_vars['fdpage'] <= 0) {
 143                         $query_vars['fdpage'] = 1;
 144                 } else {
 145                         $query_vars['fdpage'] = strval(intval($query_vars['fdpage']));
 146                 }
 147                 if(isset($query_vars['fdstyle']) && ($query_vars['fdstyle'] != 'list' && $query_vars['fdstyle'] != 'grid')) {
 148                         $query_vars['fdstyle'] = 'list';
 149                 }
 150                 if(isset($query_vars['fdcategory'])) {
 151                         if($query_vars['fdcategory'] == 'All categories') {
 152                                 unset($query_vars['fdcategory']);
 153                         } else {
 154                                 $query_vars['fdcategory'] = sanitize_text_field($query_vars['fdcategory']);
 155                         }
 156                 }
 157                 if(isset($query_vars['fdfilter'])) {
 158                         $query_vars['fdfilter'] = sanitize_text_field($query_vars['fdfilter']);
 159                 } else {
 160                         if(isset($attribs['search'])) {
 161                                 $query_vars['fdfilter'] = '';
 162                         }
 163                 }
 164                 if(isset($query_vars['fdid'])) {
 165                         $query_vars['fdid'] = sanitize_text_field($query_vars['fdid']);
 166                 }
 167
 168                 $out = '';
 169
 170                 if($query_vars['fdid']!==null) {
 171                         $out.=$this->get_app($query_vars);
 172                 } else {
 173                         $out.='<form name="searchform" action="" method="get">';
 174                         $out.='<p><input name="fdfilter" type="text" value="'.esc_attr($query_vars['fdfilter']).'" size="30"> ';
 175                         $out.='<input type="hidden" name="fdpage" value="1">';
 176                         $out.='<input type="submit" value="Search"></p>';
 177                         $out.=$this->makeformdata($query_vars);
 178                         $out.='</form>'."\n";
 179
 180                         $out.=$this->get_apps($query_vars);
 181                 }
 182
 183                 return $out;
 184         }
 185
 186
 187         // Get a URL for a full description of a license, as given by one of our
 188         // pre-defined license abbreviations. This is a temporary function, as this
 189         // needs to be data-driven so the same information can be used by the client,
 190         // the web site and the documentation.
 191         function getlicenseurl($license) {
 192                 switch($license) {
 193                 case 'MIT':
 194                         return 'https://www.gnu.org/licenses/license-list.html#X11License';
 195                 case 'NewBSD':
 196                         return 'https://www.gnu.org/licenses/license-list.html#ModifiedBSD';
 197                 case 'BSD':
 198                         return 'https://www.gnu.org/licenses/license-list.html#OriginalBSD';
 199                 case 'GPLv3':
 200                 case 'GPLv3+':
 201                         return 'https://www.gnu.org/licenses/license-list.html#GNUGPLv3';
 202                 case 'GPLv2':
 203                 case 'GPLv2+':
 204                         return 'https://www.gnu.org/licenses/license-list.html#GPLv2';
 205                 case 'AGPLv3':
 206                 case 'AGPLv3+':
 207                         return 'https://www.gnu.org/licenses/license-list.html#AGPLv3.0';
 208                 case 'LGPL':
 209                         return 'https://www.gnu.org/licenses/license-list.html#LGPL';
 210                 case 'LGPL':
 211                 case 'LGPLv3':
 212                         return 'https://www.gnu.org/licenses/license-list.html#LGPLv3';
 213                 case 'LGPLv2.1':
 214                         return 'https://www.gnu.org/licenses/license-list.html#LGPLv2.1';
 215                 case 'Apache2':
 216                         return 'https://www.gnu.org/licenses/license-list.html#apache2';
 217                 case 'WTFPL':
 218                         return 'https://www.gnu.org/licenses/license-list.html#WTFPL';
 219                 default:
 220                         return null;
 221                 }
 222         }
 223         function androidversion($sdkLevel) {
 224                 switch ($sdkLevel) {
 225                         case 23: return "6.0";
 226                         case 22: return "5.1";
 227                         case 21: return "5.0";
 228                         case 20: return "4.4W";
 229                         case 19: return "4.4";
 230                         case 18: return "4.3";
 231                         case 17: return "4.2";
 232                         case 16: return "4.1";
 233                         case 15: return "4.0.3";
 234                         case 14: return "4.0";
 235                         case 13: return "3.2";
 236                         case 12: return "3.1";
 237                         case 11: return "3.0";
 238                         case 10: return "2.3.3";
 239                         case 9: return "2.3";
 240                         case 8: return "2.2";
 241                         case 7: return "2.1";
 242                         case 6: return "2.0.1";
 243                         case 5: return "2.0";
 244                         case 4: return "1.6";
 245                         case 3: return "1.5";
 246                         case 2: return "1.1";
 247                         case 1: return "1.0";
 248                         default: return "?";
 249                 }
 250         }
 251
 252         function get_app($query_vars) {
 253                 global $permissions_data;
 254                 $permissions_object = new AndroidPermissions($this->site_path.'/wp-content/plugins/wp-fdroid/AndroidManifest.xml',
 255                         $this->site_path.'/wp-content/plugins/wp-fdroid/strings.xml',
 256                         sys_get_temp_dir().'/android-permissions.cache');
 257                 $permissions_data = $permissions_object->get_permissions_array();
 258
 259                 // Get app data
 260                 $xml = simplexml_load_file($this->site_path.'/repo/index.xml');
 261                 foreach($xml->children() as $app) {
 262
 263                         $attrs=$app->attributes();
 264                         if($attrs['id']==$query_vars['fdid']) {
 265                                 $apks=array();;
 266                                 foreach($app->children() as $el) {
 267                                         switch($el->getName()) {
 268                                         case "name":
 269                                                 $name=$el;
 270                                                 break;
 271                                         case "icon":
 272                                                 $icon=$el;
 273                                                 break;
 274                                         case "summary":
 275                                                 $summary=$el;
 276                                                 break;
 277                                         case "desc":
 278                                                 $desc=$el;
 279                                                 break;
 280                                         case "license":
 281                                                 $license=$el;
 282                                                 break;
 283                                         case "source":
 284                                                 $source=$el;
 285                                                 break;
 286                                         case "tracker":
 287                                                 $issues=$el;
 288                                                 break;
 289                                         case "changelog":
 290                                                 $changelog=$el;
 291                                                 break;
 292                                         case "donate":
 293                                                 $donate=$el;
 294                                                 break;
 295                                         case "flattr":
 296                                                 $flattr=$el;
 297                                                 break;
 298                                         case "web":
 299                                                 $web=$el;
 300                                                 break;
 301                                         case "antifeatures":
 302                                                 $antifeatures=$el;
 303                                                 break;
 304                                         case "requirements":
 305                                                 $requirements=$el;
 306                                                 break;
 307                                         case "package":
 308                                                 $thisapk=array();
 309                                                 foreach($el->children() as $pel) {
 310                                                         switch($pel->getName()) {
 311                                                         case "version":
 312                                                                 $thisapk['version']=$pel;
 313                                                                 break;
 314                                                         case "vercode":
 315                                                                 $thisapk['vercode']=$pel;
 316                                                                 break;
 317                                                         case "added":
 318                                                                 $thisapk['added']=$pel;
 319                                                                 break;
 320                                                         case "apkname":
 321                                                                 $thisapk['apkname']=$pel;
 322                                                                 break;
 323                                                         case "srcname":
 324                                                                 $thisapk['srcname']=$pel;
 325                                                                 break;
 326                                                         case "hash":
 327                                                                 $thisapk['hash']=$pel;
 328                                                                 break;
 329                                                         case "size":
 330                                                                 $thisapk['size']=$pel;
 331                                                                 break;
 332                                                         case "sdkver":
 333                                                                 $thisapk['sdkver']=$pel;
 334                                                                 break;
 335                                                         case "maxsdkver":
 336                                                                 $thisapk['maxsdkver']=$pel;
 337                                                                 break;
 338                                                         case "nativecode":
 339                                                                 $thisapk['nativecode']=$pel;
 340                                                                 break;
 341                                                         case "permissions":
 342                                                                 $thisapk['permissions']=$pel;
 343                                                                 break;
 344                                                         }
 345                                                 }
 346                                                 $apks[]=$thisapk;
 347
 348                                         }
 349                                 }
 350
 351                                 // Generate app diff data
 352                                 foreach(array_reverse($apks, true) as $key=>$apk) {
 353                                         if(isset($previous)) {
 354                                                 // Apk size
 355                                                 $apks[$key]['diff']['size'] = $apk['size']-$previous['size'];
 356                                         }
 357
 358                                         // Permissions
 359                                         $permissions = explode(',',$apk['permissions']);
 360                                         $permissionsPrevious = isset($previous['permissions'])?explode(',',$previous['permissions']):array();
 361                                         $apks[$key]['diff']['permissions']['added'] = array_diff($permissions, $permissionsPrevious);
 362                                         $apks[$key]['diff']['permissions']['removed'] = array_diff($permissionsPrevious, $permissions);
 363
 364                                         $previous = $apk;
 365                                 }
 366
 367                                 // Output app information
 368                                 $out='<div id="appheader">';
 369                                 $out.='<div style="float:left;padding-right:10px;"><img src="' . site_url() . '/repo/icons/'.$icon.'" width=48></div>';
 370                                 $out.='<p><span style="font-size:20px">'.$name."</span>";
 371                                 $out.="<br>".$summary."</p>";
 372                                 $out.="</div>";
 373
 374                                 $out.=str_replace('href="fdroid.app:', 'href="/repository/browse/?fdid=', $desc);
 375
 376                                 if(isset($antifeatures)) {
 377                                         $antifeaturesArray = explode(',',$antifeatures);
 378                                         foreach($antifeaturesArray as $antifeature) {
 379                                                 $antifeatureDescription = $this->get_antifeature_description($antifeature);
 380                                                 $out.='<p style="border:3px solid #CC0000;background-color:#FFDDDD;padding:5px;"><strong>'.$antifeatureDescription['name'].'</strong><br />';
 381                                                 $out.=$antifeatureDescription['description'].' <a href="/wiki/page/Antifeature:'.$antifeature.'">more...</a></p>';
 382                                         }
 383                                 }
 384
 385                                 $out.="<p>";
 386                                 $licenseurl=$this->getlicenseurl($license);
 387                                 $out.="<b>License:</b> ";
 388                                 if($licenseurl)
 389                                         $out.='<a href="'.$licenseurl.'" target="_blank">';
 390                                 $out.=$license;
 391                                 if($licenseurl)
 392                                         $out.='</a>';
 393
 394                                 if(isset($requirements)) {
 395                                         $out.='<br /><b>Additional requirements:</b> '.$requirements;
 396                                 }
 397                                 $out.="</p>";
 398
 399                                 $out.="<p>";
 400                                 if(strlen($web)>0)
 401                                         $out.='<b>Website:</b> <a href="'.$web.'">'.$web.'</a><br />';
 402                                 if(strlen($issues)>0)
 403                                         $out.='<b>Issue Tracker:</b> <a href="'.$issues.'">'.$issues.'</a><br />';
 404                                 if(strlen($source)>0)
 405                                         $out.='<b>Source Code:</b> <a href="'.$source.'">'.$source.'</a><br />';
 406                                 if(strlen($changelog)>0)
 407                                         $out.='<b>Changelog:</b> <a href="'.$changelog.'">'.$changelog.'</a><br />';
 408                                 if(isset($donate) && strlen($donate)>0)
 409                                         $out.='<b>Donate:</b> <a href="'.$donate.'">'.$donate.'</a><br />';
 410                                 if(isset($flattr) && strlen($flattr)>0)
 411                                         $out.='<b>Flattr:</b> <a href="https://flattr.com/thing/'.$flattr.'"><img src="/wp-content/uploads/flattr-badge-large.png" style="border:0" /></a><br />';
 412                                 $out.="</p>";
 413
 414                                 $out.="<p>For full details and additional technical information, see ";
 415                                 $out.="<a href=\"/wiki/page/".$query_vars['fdid']."\">this application's page</a> on the F-Droid wiki.</p>";
 416
 417                                 $out.='<script type="text/javascript">';
 418                                 $out.='function showHidePermissions(id) {';
 419                                 $out.='  if(document.getElementById(id).style.display==\'none\')';
 420                                 $out.=' document.getElementById(id).style.display=\'block\';';
 421                                 $out.='  else';
 422                                 $out.=' document.getElementById(id).style.display=\'none\';';
 423                                 $out.='  return false;';
 424                                 $out.='}';
 425                                 $out.='</script>';
 426
 427                                 $out.="<h3>Packages</h3>";
 428
 429                                 $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>';
 430                                 $out.="<p>Although APK downloads are available below to give ";
 431                                 $out.="you the choice, you should be aware that by installing that way you ";
 432                                 $out.="will not receive update notifications, and it's a less secure way ";
 433                                 $out.="to download. ";
 434                                 $out.="We recommend that you install the F-Droid client and use that.</p>";
 435
 436                                 $i=0;
 437                                 foreach($apks as $apk) {
 438                                         $first = $i+1==count($apks);
 439                                         $out.="<p><b>Version ".$apk['version']."</b>";
 440                                         $out.=" - Added on ".$apk['added']."<br />";
 441
 442                                         $hasminsdk = isset($apk['sdkver']);
 443                                         $hasmaxsdk = isset($apk['maxsdkver']);
 444                                         if($hasminsdk && $hasmaxsdk) {
 445                                                 $out.="<p>This version requires Android ".$this->androidversion($apk['sdkver'])." up to ".$this->androidversion($apk['maxsdkver'])."</p>";
 446                                         } elseif($hasminsdk) {
 447                                                 $out.="<p>This version requires Android ".$this->androidversion($apk['sdkver'])." or newer.</p>";
 448                                         } elseif($hasmaxsdk) {
 449                                                 $out.="<p>This version requires Android ".$this->androidversion($apk['maxsdkver'])." or old.</p>";
 450                                         }
 451
 452                                         $hasabis = isset($apk['nativecode']);
 453                                         if($hasabis) {
 454                                                 $abis = str_replace(',', ' ', $apk['nativecode']);
 455                                                 $out.="<p>This version uses native code and is built for: ".$abis."</p>";
 456                                         }
 457
 458                                         // Is this source or binary?
 459                                         $srcbuild = isset($apk['srcname']) && file_exists($this->site_path.'/repo/'.$apk['srcname']);
 460
 461                                         $out.="<p>This version is built and signed by ";
 462                                         if($srcbuild) {
 463                                                 $out.="F-Droid, and guaranteed to correspond to the source tarball below.</p>";
 464                                         } else {
 465                                                 $out.="the original developer.</p>";
 466                                         }
 467                                         $out.='<a href="https://f-droid.org/repo/'.$apk['apkname'].'">download apk</a> ';
 468                                         $out.=$this->human_readable_size($apk['size']);
 469                                         $diffSize = $apk['diff']['size'];
 470                                         if(abs($diffSize) > 500) {
 471                                                 $out.=' <span style="color:#AAAAAA;">(';
 472                                                 $out.=$diffSize>0?'+':'';
 473                                                 $out.=$this->human_readable_size($diffSize, 1).')</span>';
 474                                         }
 475                                         if(file_exists($this->site_path.'/repo/'.$apk['apkname'].'.asc')) {
 476                                                 $out.=' <a href="https://f-droid.org/repo/'.$apk['apkname'].'.asc">GPG Signature</a> ';
 477                                         }
 478                                         if($srcbuild) {
 479                                                 $out.='<br /><a href="https://f-droid.org/repo/'.$apk['srcname'].'">source tarball</a> ';
 480                                                 $out.=$this->human_readable_size(filesize($this->site_path.'/repo/'.$apk['srcname']));
 481                                         }
 482
 483                                         if(isset($apk['permissions'])) {
 484                                                 // Permissions diff link
 485                                                 if($first == false) {
 486                                                         $permissionsAddedCount = count($apk['diff']['permissions']['added']);
 487                                                         $permissionsRemovedCount = count($apk['diff']['permissions']['removed']);
 488                                                         $divIdDiff='permissionsDiff'.$i;
 489                                                         if($permissionsAddedCount || $permissionsRemovedCount) {
 490                                                                 $out.='<br /><a href="javascript:void(0);" onClick="showHidePermissions(\''.$divIdDiff.'\');">permissions diff</a>';
 491                                                                 $out.=' <span style="color:#AAAAAA;">(';
 492                                                                 if($permissionsAddedCount)
 493                                                                         $out.='+'.$permissionsAddedCount;
 494                                                                 if($permissionsAddedCount && $permissionsRemovedCount)
 495                                                                         $out.='/';
 496                                                                 if($permissionsRemovedCount)
 497                                                                         $out.='-'.$permissionsRemovedCount;
 498                                                                 $out.=')</span>';
 499                                                         }
 500                                                         else
 501                                                         {
 502                                                                 $out.='<br /><span style="color:#999999;">no permission changes</span>';
 503                                                         }
 504                                                 }
 505
 506                                                 // Permissions list link
 507                                                 $permissionsListString = $this->get_permission_list_string(explode(',',$apk['permissions']), $permissions_data, $summary);
 508                                                 /*if($i==0)
 509                                                         $divStyleDisplay='block';
 510                                                 else*/
 511                                                 $divStyleDisplay='none';
 512                                                 $divId='permissions'.$i;
 513                                                 $out.='<br /><a href="javascript:void(0);" onClick="showHidePermissions(\''.$divId.'\');">view permissions</a>';
 514                                                 $out.=' <span style="color:#AAAAAA;">['.$summary.']</span>';
 515                                                 $out.='<br/>';
 516
 517                                                 // Permissions list
 518                                                 $out.='<div style="display:'.$divStyleDisplay.';" id="'.$divId.'">';
 519                                                 $out.=$permissionsListString;
 520                                                 $out.='</div>';
 521
 522                                                 // Permissions diff
 523                                                 {
 524                                                         $out.='<div style="display:'.$divStyleDisplay.';" id="'.$divIdDiff.'">';
 525                                                         $permissionsRemoved = $apk['diff']['permissions']['removed'];
 526                                                         usort($permissionsRemoved, "permissions_cmp");
 527
 528                                                         // Added permissions
 529                                                         if($permissionsAddedCount) {
 530                                                                 $out.='<h5>ADDED</h5><br />';
 531                                                                 $out.=$this->get_permission_list_string($apk['diff']['permissions']['added'], $permissions_data, $summary);
 532                                                         }
 533
 534                                                         // Removed permissions
 535                                                         if($permissionsRemovedCount) {
 536                                                                 $out.='<h5>REMOVED</h5><br />';
 537                                                                 $out.=$this->get_permission_list_string($apk['diff']['permissions']['removed'], $permissions_data, $summary);
 538                                                         }
 539
 540                                                         $out.='</div>';
 541                                                 }
 542                                         }
 543                                         else {
 544                                                 $out.='<br /><span style="color:#999999;">no extra permissions needed</span><br />';
 545                                         }
 546
 547                                         $out.='</p>';
 548                                         $i++;
 549                                 }
 550
 551                                 $out.='<hr><p><a href="'.makelink($query_vars,array('fdid'=>null)).'">Index</a></p>';
 552
 553                                 return $out;
 554                         }
 555                 }
 556                 return "<p>Application not found</p>";
 557         }
 558
 559         private function get_permission_list_string($permissions, $permissions_data, &$summary) {
 560                 $out='';
 561                 usort($permissions, "permissions_cmp");
 562                 $permission_group_last = '';
 563                 foreach($permissions as $permission) {
 564                         $permission_group = $permissions_data['permission'][$permission]['permissionGroup'];
 565                         if($permission_group != $permission_group_last) {
 566                                 $permission_group_label = $permissions_data['permission-group'][$permission_group]['label'];
 567                                 if($permission_group_label=='') $permission_group_label = 'Extra/Custom';
 568                                 $out.='<strong>'.strtoupper($permission_group_label).'</strong><br/>';
 569                                 $permission_group_last = $permission_group;
 570                         }
 571
 572                         $out.=$this->get_permission_protection_level_icon($permissions_data['permission'][$permission]['protectionLevel']).' ';
 573                         $out.='<strong>'.$permissions_data['permission'][$permission]['label'].'</strong> [<code>'.$permission.'</code>]<br/>';
 574                         if($permissions_data['permission'][$permission]['description']) $out.=$permissions_data['permission'][$permission]['description'].'<br/>';
 575                         //$out.=$permissions_data['permission'][$permission]['comment'].'<br/>';
 576                         $out.='<br/>';
 577
 578                         if(!isset($summaryCount[$permissions_data['permission'][$permission]['protectionLevel']]))
 579                                 $summaryCount[$permissions_data['permission'][$permission]['protectionLevel']] = 0;
 580                         $summaryCount[$permissions_data['permission'][$permission]['protectionLevel']]++;
 581                 }
 582
 583                 $summary = '';
 584                 if(isset($summaryCount)) {
 585                         foreach($summaryCount as $protectionLevel => $count) {
 586                                 $summary .= $this->get_permission_protection_level_icon($protectionLevel, 'regular').' '.$count;
 587                                 $summary .= ', ';
 588                         }
 589                 }
 590                 $summary = substr($summary,0,-2);
 591
 592                 return $out;
 593         }
 594
 595         private function get_permission_protection_level_icon($protection_level, $size='adjusted') {
 596                 $iconString = '';
 597                 if($protection_level=='dangerous') {
 598                         $iconString .= '<span style="color:#DD9900;';
 599                         if($size=='adjusted')
 600                                 $iconString .= 'font-size:150%;';
 601                         $iconString .= '">&#x26a0;</span>';     // WARNING SIGN
 602                 }
 603                 elseif($protection_level=='normal') {
 604                         $iconString .= '<span style="color:#6666FF;';
 605                         if($size=='adjusted')
 606                                 $iconString .= 'font-size:110%;';
 607                         $iconString .= '">&#x24D8;</span>';     // CIRCLED LATIN SMALL LETTER I
 608                 }
 609                 elseif($protection_level=='signature') {
 610                         $iconString .= '<span style="color:#33AAAA;';
 611                         if($size=='adjusted')
 612                                 $iconString .= 'font-size:140%;';
 613                         $iconString .= '">&#x273D;</span>';     // HEAVY TEARDROP-SPOKED ASTERISK
 614                 }
 615                 elseif($protection_level=='signatureOrSystem') {
 616                         $iconString .= '<span style="color:#DD66DD;';
 617                         if($size=='adjusted')
 618                                 $iconString .= 'font-size:140%;';
 619                         $iconString .= '">&#x269B;</span>';     // ATOM SYMBOL
 620                 }
 621                 else {
 622                         $iconString .= '<span style="color:#33AA33';
 623                         if($size=='adjusted')
 624                                 $iconString .= ';font-size:130%;';
 625                         $iconString .= '">&#x2699;</span>';     // GEAR
 626                 }
 627
 628                 return $iconString;
 629         }
 630
 631         private function human_readable_size($size, $minDiv=0) {
 632                 $si_prefix = array('bytes','kB','MB');
 633                 $div = 1024;
 634
 635                 for($i=0;(abs($size) > $div && $i < count($si_prefix)) || $i<$minDiv;$i++) {
 636                         $size /= $div;
 637                 }
 638
 639                 return round($size,max(0,$i-1)).' '.$si_prefix[$i];
 640         }
 641
 642         private function get_antifeature_description($antifeature) {
 643                 // Anti feature names and descriptions
 644                 $antifeatureDescription['Ads']['name'] = 'Advertising';
 645                 $antifeatureDescription['Ads']['description'] = 'This application contains advertising.';
 646                 $antifeatureDescription['Tracking']['name'] = 'Tracks You';
 647                 $antifeatureDescription['Tracking']['description'] = 'This application tracks and reports your activity to somewhere.';
 648                 $antifeatureDescription['NonFreeNet']['name'] = 'Non-Free Network Services';
 649                 $antifeatureDescription['NonFreeNet']['description'] = 'This application promotes a non-Free network service.';
 650                 $antifeatureDescription['NonFreeAdd']['name'] = 'Non-Free Addons';
 651                 $antifeatureDescription['NonFreeAdd']['description'] = 'This application promotes non-Free add-ons.';
 652                 $antifeatureDescription['NonFreeDep']['name'] = 'Non-Free Dependencies';
 653                 $antifeatureDescription['NonFreeDep']['description'] = 'This application depends on another non-Free application.';
 654                 $antifeatureDescription['UpstreamNonFree']['name'] = 'Upstream Non-Free';
 655                 $antifeatureDescription['UpstreamNonFree']['description'] = 'The upstream source code is non-free.';
 656
 657                 if(isset($antifeatureDescription[$antifeature])) {
 658                         return $antifeatureDescription[$antifeature];
 659                 }
 660                 return array('name'=>$antifeature);
 661         }
 662
 663
 664         function get_apps($query_vars) {
 665
 666                 $xml = simplexml_load_file($this->site_path."/repo/index.xml");
 667                 $matches = $this->show_apps($xml,$query_vars,$numpages);
 668
 669                 $out='';
 670
 671                 if(($query_vars['fdfilter']===null || $query_vars['fdfilter']!='') && $numpages>0)
 672                 {
 673                         $out.='<div style="float:left;">';
 674                         if($query_vars['fdfilter']===null) {
 675
 676                                 $categories = array('All categories');
 677                                 $handle = fopen(getenv('DOCUMENT_ROOT').'/repo/categories.txt', 'r');
 678                                 if ($handle) {
 679                                         while (($buffer = fgets($handle, 4096)) !== false) {
 680                                                 $categories[] = rtrim($buffer);
 681                                         }
 682                                         fclose($handle);
 683                                 }
 684
 685                                 $out.='<form name="categoryform" action="" method="get">';
 686                                 $out.=$this->makeformdata($query_vars);
 687
 688                                 $out.='<select name="fdcategory" style="color:#333333;" onChange="document.categoryform.submit();">';
 689                                 foreach($categories as $category) {
 690                                         $out.='<option';
 691                                         if(isset($query_vars['fdcategory']) && $category==$query_vars['fdcategory'])
 692                                                 $out.=' selected';
 693                                         $out.='>'.$category.'</option>';
 694                                 }
 695                                 $out.='</select>';
 696
 697                                 $out.='</form>'."\n";
 698                         }
 699                         else {
 700                                 $out.='Applications matching "'.esc_attr($query_vars['fdfilter']).'"';
 701                         }
 702                         $out.="</div>";
 703
 704                         $out.='<div style="float:right;">';
 705                         $out.='<a href="'.makelink($query_vars, array('fdstyle'=>'list', 'fdpage'=>1)).'">List</a> | ';
 706                         $out.='<a href="'.makelink($query_vars, array('fdstyle'=>'grid', 'fdpage'=>1)).'">Grid</a>';
 707                         $out.='</div>';
 708
 709                         $out.='<br break="all"/>';
 710                 }
 711
 712                 if($numpages>0) {
 713                         $out.=$matches;
 714
 715                         $out.='<hr><p>';
 716
 717                         $out.='<div style="width:20%; float:left; text-align:left;">';
 718                         $out.=' Page '.$query_vars['fdpage'].' of '.$numpages.' ';
 719                         $out.='</div>';
 720
 721                         $out.='<div style="width:60%; float:left; text-align:center;">';
 722                         if($numpages>1) {
 723                                 for($i=1;$i<=$numpages;$i++) {
 724                                         if($i == $query_vars['fdpage']) {
 725                                                 $out.='<b>'.$i.'</b>';
 726                                         } else {
 727                                                 $out.='<a href="'.makelink($query_vars, array('fdpage'=>$i)).'">';
 728                                                 $out.=$i;
 729                                                 $out.='</a>';
 730                                         }
 731                                         $out.=' ';
 732                                 }
 733                                 $out.=' ';
 734                         }
 735                         $out.='</div>';
 736
 737                         $out.='<div style="width:20%; float:left; text-align:right;">';
 738                         if($query_vars['fdpage']!=$numpages) {
 739                                 $out.='<a href="'.makelink($query_vars, array('fdpage'=>($query_vars['fdpage']+1))).'">next&gt;</a> ';
 740                         }
 741                         $out.='</div>';
 742
 743                         $out.='</p>';
 744                 } else if($query_vars['fdfilter']!='') {
 745                         $out.='<p>No matches</p>';
 746                 }
 747
 748                 return $out;
 749         }
 750
 751
 752         function makeformdata($query_vars) {
 753
 754                 $out='';
 755
 756                 $out.='<input type="hidden" name="page_id" value="'.(int)get_query_var('page_id').'">';
 757                 foreach($query_vars as $name => $value) {
 758                         if($value !== null && $name != 'fdfilter' && $name != 'fdpage')
 759                                 $out.='<input type="hidden" name="'.esc_attr($name).'" value="'.esc_attr($value).'">';
 760                 }
 761
 762                 return $out;
 763         }
 764
 765
 766         function show_apps($xml,$query_vars,&$numpages) {
 767
 768                 $skipped=0;
 769                 $got=0;
 770                 $total=0;
 771
 772                 if($query_vars['fdstyle']=='grid') {
 773                         $outputter = new FDOutGrid();
 774                 } else {
 775                         $outputter = new FDOutList();
 776                 }
 777
 778                 $out = "";
 779
 780                 $out.=$outputter->outputStart();
 781
 782                 foreach($xml->children() as $app) {
 783
 784                         if($app->getName() == 'repo') continue;
 785                         $appinfo['attrs']=$app->attributes();
 786                         $appinfo['id']=$appinfo['attrs']['id'];
 787                         foreach($app->children() as $el) {
 788                                 switch($el->getName()) {
 789                                 case "name":
 790                                         $appinfo['name']=$el;
 791                                         break;
 792                                 case "icon":
 793                                         $appinfo['icon']=$el;
 794                                         break;
 795                                 case "summary":
 796                                         $appinfo['summary']=$el;
 797                                         break;
 798                                 case "desc":
 799                                         $appinfo['description']=$el;
 800                                         break;
 801                                 case "license":
 802                                         $appinfo['license']=$el;
 803                                         break;
 804                                 case "category":
 805                                         $appinfo['category']=$el;
 806                                         break;
 807                                 }
 808                         }
 809
 810                         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'])) {
 811                                 if($skipped<($query_vars['fdpage']-1)*$outputter->perpage) {
 812                                         $skipped++;
 813                                 } else if($got<$outputter->perpage) {
 814                                         $out.=$outputter->outputEntry($query_vars, $appinfo);
 815                                         $got++;
 816                                 }
 817                                 $total++;
 818                         }
 819
 820                 }
 821
 822                 $out.=$outputter->outputEnd();
 823
 824                 $numpages = ceil((float)$total/$outputter->perpage);
 825
 826                 return $out;
 827         }
 828 }
 829
 830 // Class to output app entries in a detailed list format
 831 class FDOutList
 832 {
 833         var $perpage=30;
 834
 835         function FDOutList() {
 836         }
 837
 838         function outputStart() {
 839                 return '';
 840         }
 841
 842         function outputEntry($query_vars, $appinfo) {
 843                 $out="";
 844                 $out.='<hr style="clear:both;" />'."\n";
 845                 $out.='<a href="'.makelink($query_vars, array('fdid'=>$appinfo['id'])).'">';
 846                 $out.='<div id="appheader">';
 847
 848                 $out.='<div style="float:left;padding-right:10px;"><img src="' . site_url() . '/repo/icons/'.$appinfo['icon'].'" style="width:48px;border:none;"></div>';
 849
 850                 $out.='<div style="float:right;">';
 851                 $out.='<p>Details...</p>';
 852                 $out.="</div>\n";
 853
 854                 $out.='<p style="color:#000000;"><span style="font-size:20px;">'.$appinfo['name']."</span>";
 855                 $out.="<br>".$appinfo['summary']."</p>\n";
 856
 857                 $out.="</div>\n";
 858                 $out.='</a>';
 859
 860                 return $out;
 861         }
 862
 863         function outputEnd() {
 864                 return '';
 865         }
 866 }
 867
 868 // Class to output app entries in a compact grid format
 869 class FDOutGrid
 870 {
 871         var $perpage=80;
 872
 873         var $itemCount = 0;
 874
 875         function FDOutGrid() {
 876         }
 877
 878         function outputStart() {
 879                 return "\n".'<table border="0" width="100%"><tr>'."\n";
 880         }
 881
 882         function outputEntry($query_vars, $appinfo) {
 883                 $link=makelink($query_vars, array('fdid'=>$appinfo['id']));
 884
 885                 $out='';
 886
 887                 if($this->itemCount%4 == 0 && $this->itemCount > 0)
 888                 {
 889                         $out.='</tr><tr>'."\n";
 890                 }
 891
 892                 $out.='<td align="center" valign="top" style="background-color:#F8F8F8;">';
 893                 $out.='<p>';
 894                 $out.='<div id="appheader" style="text-align:center;width:110px;">';
 895
 896                 $out.='<a href="'.$link.'" style="border-bottom-style:none;">';
 897                 $out.='<img src="' . site_url() . '/repo/icons/'.$appinfo['icon'].'" style="width:48px;border-width:0;padding-top:5px;padding-bottom:5px;"><br/>';
 898                 $out.=$appinfo['name'].'<br/>';
 899                 $out.='</a>';
 900
 901                 $out.="</div>";
 902                 $out.='</p>';
 903                 $out.="</td>\n";
 904
 905                 $this->itemCount++;
 906                 return $out;
 907         }
 908
 909         function outputEnd() {
 910                 return '</tr></table>'."\n";
 911         }
 912 }
 913
 914 function permissions_cmp($a, $b) {
 915         global $permissions_data;
 916
 917         $aProtectionLevel = $permissions_data['permission'][$a]['protectionLevel'];
 918         $bProtectionLevel = $permissions_data['permission'][$b]['protectionLevel'];
 919
 920         if($aProtectionLevel != $bProtectionLevel) {
 921                 if(strlen($aProtectionLevel)==0) return 1;
 922                 if(strlen($bProtectionLevel)==0) return -1;
 923
 924                 return strcmp($aProtectionLevel, $bProtectionLevel);
 925         }
 926
 927         $aGroup = $permissions_data['permission'][$a]['permissionGroup'];
 928         $bGroup = $permissions_data['permission'][$b]['permissionGroup'];
 929
 930         if($aGroup != $bGroup) {
 931                 return strcmp($aGroup, $bGroup);
 932         }
 933
 934         return strcmp($a, $b);
 935 }
 936
 937 // Make a link to this page, with the current query vars attached and desired params added/modified
 938 function makelink($query_vars, $params=array()) {
 939         $link=get_permalink();
 940
 941         $p = array_merge($query_vars, $params);
 942
 943         // Page 1 is the default, don't clutter urls with it...
 944         if($p['fdpage'] == 1)
 945                 unset($p['fdpage']);
 946         // Likewise for list style...
 947         if($p['fdstyle'] == 'list')
 948                 unset($p['fdstyle']);
 949
 950         $vars=linkify($p);
 951         if(strlen($vars)==0)
 952                 return $link;
 953         if(strpos($link,'?')===false)
 954                 $link.='?';
 955         else
 956                 $link.='&';
 957         return $link.$vars;
 958 }
 959
 960 // Return the key value pairs in http-get-parameter format as a string
 961 function linkify($vars) {
 962         $retvar = '';
 963         foreach($vars as $k => $v) {
 964                 if($k!==null && $v!==null && $v!='')
 965                         $retvar .= $k.'='.urlencode($v).'&';
 966         }
 967         return substr($retvar,0,-1);
 968 }
 969
 970 $wp_fdroid = new FDroid();
 971
 972
 973 ?>