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