wp-fdroid/wp-fdroid.php

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