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