wp-fdroid/wp-fdroid.php

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