wp-fdroid/wp-fdroid.php

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