sha256 sanity

Shorten files names
Exclude express and differential files
Only append hash suffix for duplicate files names (e.g. 22458 LPs for some langs)

.gitignore

@@ -0,0 +1 @@
+shared/cookie.json

fetchupd.php

@@ -17,87 +17,8 @@ limitations under the License.
 
 require_once dirname(__FILE__).'/shared/main.php';
 require_once dirname(__FILE__).'/shared/requests.php';
-require_once dirname(__FILE__).'/shared/cache.php';
-require_once dirname(__FILE__).'/shared/fileinfo.php';
 require_once dirname(__FILE__).'/listid.php';
 
-function uupApiPrivateParseFlags($str) {
-    $split = explode('+', $str);
-    $flagsSafe = [];
-
-    if(isset($split[1])) {
-        $flags = array_unique(explode(',', strtolower($split[1])));
-        $flagsSafe = array_intersect(getAllowedFlags(), $flags);
-    }
-
-    return [$split[0], $flagsSafe];
-}
-
-function uupApiPrivateGetLatestBuild() {
-    $builds = array('22000.1');
-
-    $ids = uupListIds();
-    if(isset($ids['error'])) {
-        $ids['builds'] = array();
-    }
-
-    if(empty($ids['builds'])) {
-        $build = $builds[0];
-    } else {
-        $build = $ids['builds'][0]['build'];
-    }
-
-    return $build;
-}
-
-function uupApiPrivateGetAcceptableBranches() {
-    return [
-        'auto',
-        'rs2_release',
-        'rs3_release',
-        'rs4_release',
-        'rs5_release',
-        'rs5_release_svc_hci',
-        '19h1_release',
-        'vb_release',
-        'fe_release_10x',
-        'fe_release',
-        'co_release',
-        'ni_release',
-        'zn_release',
-        'ge_release',
-        'rs_prerelease',
-    ];
-}
-
-function uupApiPrivateNormalizeFetchParams($params) {
-    $np = array_replace([
-        'arch' => 'amd64',
-        'ring' => 'WIF',
-        'flight' => 'Active',
-        'branch' => 'ge_release',
-        'build' => 'latest',
-        'minor' => 0,
-        'sku' => 48,
-        'type' => 'Production',
-        'flags' => [],
-    ], $params);
-
-    if(!is_array($np['flags'])) $np['flags'] = [];
-
-    $np['arch'] = strtolower($np['arch']);
-    $np['ring'] = strtoupper($np['ring']);
-    $np['flight'] = ucwords(strtolower($np['flight']));
-    $np['branch'] = strtolower($np['branch']);
-    $np['build'] = strtolower($np['build']);
-    $np['minor'] = intval($np['minor']);
-    $np['sku'] = intval($np['sku']);
-    $np['type'] = ucwords(strtolower($np['type']));
-    $np['flags'] = array_map('strtolower', $np['flags']);
-
-    return $np;
-}
-
 function uupFetchUpd(
     $arch = 'amd64',
     $ring = 'WIF',
@@ -108,52 +29,35 @@ function uupFetchUpd(
     $type = 'Production',
     $cacheRequests = 0
 ) {
-    [$build, $flags] = uupApiPrivateParseFlags($build);
-
-    $params = [
-        'arch' => $arch,
-        'ring' => $ring,
-        'flight' => $flight,
-        'build' => $build,
-        'minor' => $minor,
-        'sku' => $sku,
-        'type' => $type,
-        'flags' => $flags,
-    ];
-
-    return uupFetchUpd2($params, $cacheRequests);
-}
-
-function uupFetchUpd2($params, $cacheRequests = 0) {
     uupApiPrintBrand();
 
-    $np = uupApiPrivateNormalizeFetchParams($params);
+    $arch = strtolower($arch);
-
+    $ring = strtoupper($ring);
-    $arch = $np['arch'];
+    $flight = ucwords(strtolower($flight));
-    $ring = $np['ring'];
     $flight = 'Active';
-    $branch = $np['branch'];
-    $build = $np['build'];
-    $minor = $np['minor'];
-    $sku = $np['sku'];
-    $type = $np['type'];
-    $flags = $np['flags'];
 
-    $flagsStr = implode(',', $flags);
+    if($build == 'latest' || (!$build)) {
+        $builds = array('17134.1');
 
-    if(strtolower($build) == 'latest' || (!$build)) {
+        $ids = uupListIds();
-        $build = uupApiPrivateGetLatestBuild();
+        if(isset($ids['error'])) {
+            $ids['builds'] = array();
+        }
+
+        $build = $ids['builds'][0]['build'];
+        unset($builds, $ids);
     }
 
     $build = explode('.', $build);
     if(isset($build[1])) $minor = intval($build[1]);
     $build = intval($build[0]);
+    $sku = intval($sku);
 
     if(!($arch == 'amd64' || $arch == 'x86' || $arch == 'arm64' || $arch == 'arm' || $arch == 'all')) {
         return array('error' => 'UNKNOWN_ARCH');
     }
 
-    if(!($ring == 'CANARY' || $ring == 'DEV' || $ring == 'BETA' || $ring == 'RELEASEPREVIEW' || $ring == 'WIF' || $ring == 'WIS' || $ring == 'RP' || $ring == 'RETAIL' || $ring == 'MSIT')) {
+    if(!($ring == 'DEV' || $ring == 'BETA' || $ring == 'RELEASEPREVIEW' || $ring == 'WIF' || $ring == 'WIS' || $ring == 'RP' || $ring == 'RETAIL' || $ring == 'MSIT')) {
         return array('error' => 'UNKNOWN_RING');
     }
 
@@ -173,9 +77,6 @@ function uupFetchUpd2($params, $cacheRequests = 0) {
         return array('error' => 'ILLEGAL_MINOR');
     }
 
-    if(!in_array($branch, uupApiPrivateGetAcceptableBranches()))
-        $branch = 'auto';
-
     if($ring == 'DEV') $ring = 'WIF';
     if($ring == 'BETA') $ring = 'WIS';
     if($ring == 'RELEASEPREVIEW') $ring = 'RP';
@@ -189,22 +90,45 @@ function uupFetchUpd2($params, $cacheRequests = 0) {
         $type = 'Production';
     }
 
-    $res = "api-fetch-$arch-$ring-$flight-$branch-$build-$flagsStr-$minor-$sku-$type";
+    $cacheHash = hash('sha256', strtolower("api-fetch-$arch-$ring-$flight-$build-$minor-$sku-$type"));
-    $cache = new UupDumpCache($res);
+    $cached = 0;
-    $fromCache = $cache->get();
-    if($fromCache !== false) return $fromCache;
 
-    consoleLogger('Fetching information from the server...');
+    if(file_exists('cache/'.$cacheHash.'.json.gz') && $cacheRequests == 1) {
-    $composerArgs = [$arch, $flight, $ring, $build, $sku, $type, $flags, $branch];
+        $cache = @gzdecode(@file_get_contents('cache/'.$cacheHash.'.json.gz'));
-    $out = sendWuPostRequestHelper('client', 'composeFetchUpdRequest', $composerArgs);
+        $cache = json_decode($cache, 1);
-    if($out === false || $out['error'] != 200) {
+
-        consoleLogger('The request has failed');
+        if(!empty($cache['content']) && ($cache['expires'] > time())) {
-        return array('error' => 'WU_REQUEST_FAILED');
+            consoleLogger('Using cached response...');
+            $out = $cache['content'];
+            $cached = 1;
+        } else {
+            $cached = 0;
         }
 
-    $out = html_entity_decode($out['out']);
+        unset($cache);
+    }
+
+    if(!$cached) {
+        consoleLogger('Fetching information from the server...');
+        $postData = composeFetchUpdRequest(uupDevice(), uupEncryptedData(), $arch, $flight, $ring, $build, $sku, $type);
+        $out = sendWuPostRequest('https://fe3cr.delivery.mp.microsoft.com/ClientWebService/client.asmx', $postData);
+
+        $out = html_entity_decode($out);
         consoleLogger('Information has been successfully fetched.');
 
+        if($cacheRequests == 1) {
+            $cache = array(
+                'expires' => time()+120,
+                'content' => $out,
+            );
+
+            if(!file_exists('cache')) mkdir('cache');
+            @file_put_contents('cache/'.$cacheHash.'.json.gz', gzencode(json_encode($cache)."\n"));
+
+            unset($cache);
+        }
+    }
+
     preg_match_all('/<UpdateInfo>.*?<\/UpdateInfo>/', $out, $updateInfos);
     $updateInfo = preg_grep('/<IsLeaf>true<\/IsLeaf>/', $updateInfos[0]);
     sort($updateInfo);
@@ -223,7 +147,7 @@ function uupFetchUpd2($params, $cacheRequests = 0) {
         $num++;
         consoleLogger("Checking build information for update {$num} of {$updatesNum}...");
 
-        $info = parseFetchUpdate($val, $out, $arch, $ring, $flight, $build, $sku, $type, $flags, $branch);
+        $info = parseFetchUpdate($val, $out, $arch, $ring, $flight, $build, $sku, $type);
         if(isset($info['error'])) {
             $errorCount++;
             continue;
@@ -236,7 +160,7 @@ function uupFetchUpd2($params, $cacheRequests = 0) {
         return array('error' => 'EMPTY_FILELIST');
     }
 
-    $data = [
+    return array(
         'apiVersion' => uupApiVersion(),
         'updateId' => $updateArray[0]['updateId'],
         'updateTitle' => $updateArray[0]['updateTitle'],
@@ -244,16 +168,10 @@ function uupFetchUpd2($params, $cacheRequests = 0) {
         'arch' => $updateArray[0]['arch'],
         'fileWrite' => $updateArray[0]['fileWrite'],
         'updateArray' => $updateArray,
-    ];
+    );
-
-    if($cacheRequests == 1) {
-        $cache->put($data, 120);
 }
 
-    return $data;
+function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku, $type) {
-}
-
-function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku, $type, $flags, $branch) {
     $updateNumId = preg_replace('/<UpdateInfo><ID>|<\/ID>.*/i', '', $updateInfo);
 
     $updates = preg_replace('/<Update>/', "\n<Update>", $out);
@@ -319,10 +237,8 @@ function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku
 
     $updateTitle = preg_replace("/ ?\d{4}-\d{2}\D ?| ?$foundArch ?| ?x64 ?/i", '', $updateTitle);
 
-    if($foundType == 'server') {
+    if($foundType == 'server')
         $updateTitle = str_replace('Windows 10', 'Windows Server', $updateTitle);
-        $updateTitle = str_replace('Windows 11', 'Windows Server', $updateTitle);
-    }
 
     if($sku == 406)
         $updateTitle = str_replace('Microsoft server operating system', 'Azure Stack HCI', $updateTitle);
@@ -384,16 +300,16 @@ function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku
         return array('error' => 'BROKEN_UPDATE');
     }
 
-    $isCorpnet = preg_match('/Corpnet Required/i', $updateTitle);
+    if(preg_match('/Corpnet Required/i', $updateTitle)) {
-    if($isCorpnet && !uupApiConfigIsTrue('allow_corpnet')) {
         consoleLogger('Skipping corpnet only update...');
         return array('error' => 'CORPNET_ONLY_UPDATE');
     }
 
     $fileWrite = 'NO_SAVE';
-    if(!uupApiFileInfoExists($updateId)) {
+    if(!file_exists('fileinfo/'.$updateString.'.json')) {
         consoleLogger('WARNING: This build is NOT in the database. It will be saved now.');
         consoleLogger('Parsing information to write...');
+        if(!file_exists('fileinfo')) mkdir('fileinfo');
 
         $fileList = preg_replace('/<Files>|<\/Files>/', '', $fileList[0]);
         preg_match_all('/<File.*?<\/File>/', $fileList, $fileList);
@@ -431,9 +347,7 @@ function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku
         $temp['title'] = $updateTitle;
         $temp['ring'] = $ring;
         $temp['flight'] = $flight;
-        $temp['branch'] = $branch;
         $temp['arch'] = $foundArch;
-        $temp['fetchArch'] = $arch == 'all' ? 'amd64' : $arch;
         $temp['build'] = $foundBuild;
         $temp['checkBuild'] = $build;
         $temp['sku'] = $sku;
@@ -446,10 +360,6 @@ function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku
             $temp['releasetype'] = $type;
         }
 
-        if(!empty($flags)) {
-            $temp['flags'] = $flags;
-        }
-
         $temp['created'] = time();
         $temp['sha256ready'] = true;
         $temp['files'] = $shaArray;
@@ -457,11 +367,10 @@ function parseFetchUpdate($updateInfo, $out, $arch, $ring, $flight, $build, $sku
         consoleLogger('Successfully parsed the information.');
         consoleLogger('Writing new build information to the disk...');
 
-        $success = uupApiWriteFileinfo($updateString, $temp);
+        $success = file_put_contents('fileinfo/'.$updateString.'.json', json_encode($temp)."\n");
         if($success) {
             consoleLogger('Successfully written build information to the disk.');
             $fileWrite = 'INFO_WRITTEN';
-            uupApiPrivateInvalidateFileinfoCache();
         } else {
             consoleLogger('An error has occured while writing the information to the disk.');
         }

get.php

@@ -18,8 +18,6 @@ limitations under the License.
 require_once dirname(__FILE__).'/shared/main.php';
 require_once dirname(__FILE__).'/shared/requests.php';
 require_once dirname(__FILE__).'/shared/packs.php';
-require_once dirname(__FILE__).'/shared/cache.php';
-require_once dirname(__FILE__).'/shared/fileinfo.php';
 
 /*
 $updateId       = Update Identifier
@@ -47,13 +45,7 @@ function uupGetFiles(
             return array('error' => 'INCORRECT_ID');
     }
 
-    $edition = is_array($desiredEdition) ? implode('_', $desiredEdition) : $desiredEdition;
+    $info = @file_get_contents('fileinfo/'.$updateId.'.json');
-    $res = "api-get-{$updateId}_{$usePack}_{$edition}_{$requestType}";
-    $cache = new UupDumpCache($res);
-    $fromCache = $cache->get();
-    if($fromCache !== false) return $fromCache;
-
-    $info = uupApiReadFileinfo($updateId);
     if(empty($info)) {
         $info = array(
             'ring' => 'WIF',
@@ -63,6 +55,8 @@ function uupGetFiles(
             'sku' => '48',
             'files' => array(),
         );
+    } else {
+        $info = json_decode($info, true);
     }
 
     if(isset($info['build'])) {
@@ -77,7 +71,7 @@ function uupGetFiles(
     }
 
     if($usePack) {
-        $genPack = uupApiGetPacks($updateId);
+        $genPack = uupGetGenPacks($build, $info['arch'], $updateId);
         if(empty($genPack)) return array('error' => 'UNSUPPORTED_COMBINATION');
 
         if(!isset($genPack[$usePack])) {
@@ -85,8 +79,6 @@ function uupGetFiles(
         }
     }
 
-    $appEdition = 0;
-
     if(!is_array($desiredEdition)) {
         $desiredEdition = strtoupper($desiredEdition);
         $fileListSource = $desiredEdition;
@@ -112,19 +104,13 @@ function uupGetFiles(
 
             case 'UPDATEONLY': break;
 
-            case 'APP': $appEdition = 1;
-            case 'APP_MOMENT': $appEdition = 1;
-
             default:
                 if(!isset($genPack[$usePack][$desiredEdition])) {
                     return array('error' => 'UNSUPPORTED_COMBINATION');
                 }
 
-                $fileListSource = 'GENERATEDPACKS';
                 $filesPacksList = $genPack[$usePack][$desiredEdition];
-                if($desiredEdition == 'APP' && isset($genPack[$usePack]['APP_MOMENT'])) {
+                $fileListSource = 'GENERATEDPACKS';
-                    $filesPacksList = array_merge($filesPacksList, $genPack[$usePack]['APP_MOMENT']);
-                }
                 break;
         }
     } else {
@@ -137,7 +123,6 @@ function uupGetFiles(
                 return array('error' => 'UNSUPPORTED_COMBINATION');
             }
 
-            if($edition == 'APP' || $edition == 'APP_MOMENT') $appEdition = 1;
             $filesPacksList = array_merge($filesPacksList, $genPack[$usePack][$edition]);
         }
     }
@@ -153,7 +138,6 @@ function uupGetFiles(
     $updateBuild = (isset($info['build'])) ? $info['build'] : 'UNKNOWN';
     $updateName = (isset($info['title'])) ? $info['title'] : 'Unknown update: '.$updateId;
     $sha256capable = isset($info['sha256ready']);
-    $hasUpdates = false;
 
     if(isset($info['releasetype'])) {
         $type = $info['releasetype'];
@@ -180,34 +164,16 @@ function uupGetFiles(
         if(isset($filesInfoList[$val])) unset($filesInfoList[$val]);
     }
 
-    $baseless = preg_grep('/^baseless_/i', array_keys($filesInfoList));
+    $baseless = preg_grep('/^baseless_|Windows10\.0-KB.*-EXPRESS|SSU-.*-EXPRESS/i', array_keys($filesInfoList));
     foreach($baseless as $val) {
         if(isset($filesInfoList[$val])) unset($filesInfoList[$val]);
     }
 
-    $expresscab = preg_grep('/Windows(10|11)\.0-KB.*-EXPRESS|SSU-.*-EXPRESS/i', array_keys($filesInfoList));
-
-    $expresspsf = array();
-    foreach($expresscab as $val) {
-        $name = preg_replace('/-EXPRESS.cab$/i', '', $val);
-        $expresspsf[] = $name;
-        if(isset($filesInfoList[$val])) unset($filesInfoList[$val]);
-    }
-    unset($index, $name, $expresscab);
-
-    foreach($expresspsf as $val) {
-        if(isset($filesInfoList[$val.'.cab'])) {
-            if(isset($filesInfoList[$val.'.psf'])) unset($filesInfoList[$val.'.psf']);
-        }
-    }
-    unset($expresspsf);
-
     $psf = array_keys($filesInfoList);
     $psf = preg_grep('/\.psf$/i', $psf);
 
-    $psfk = preg_grep('/Windows(10|11)\.0-KB.*/i', $psf);
+    $psfk = preg_grep('/Windows10\.0-KB.*/i', $psf);
     $psfk = preg_grep('/.*-EXPRESS/i', $psfk, PREG_GREP_INVERT);
-    if($build < 17763) $psfk = preg_grep('/Windows(10|11)\.0-KB.*_\d\.psf$/i', $psfk, PREG_GREP_INVERT);
     foreach($psfk as $key => $val) {
         if(isset($psf[$key])) unset($psf[$key]);
     }
@@ -235,46 +201,24 @@ function uupGetFiles(
     }
     unset($removeFiles);
 
-    $msu = array_keys($filesInfoList);
-    $msu = preg_grep('/\.msu$/i', $msu);
-    $removeMSUs = array();
-    foreach($msu as $val) {
-        $name = preg_replace('/\.msu$/i', '', $val);
-        $removeMSUs[] = $name;
-    }
-    unset($index, $name, $msu);
-
     $filesInfoKeys = array_keys($filesInfoList);
-    $updatesRegex = '/Windows(10|11)\.0-KB|SSU-.*?\....$/i';
 
     switch($fileListSource) {
         case 'UPDATEONLY':
             $skipPackBuild = 1;
-            $removeFiles = preg_grep('/Windows(10|11)\.0-KB.*-baseless/i', $filesInfoKeys);
+            $removeFiles = preg_grep('/Windows10\.0-KB.*-EXPRESS|Windows10\.0-KB.*-baseless|SSU-\d*?\.\d*?-.{3,5}-EXPRESS/i', $filesInfoKeys);
 
             foreach($removeFiles as $val) {
                 if(isset($filesInfoList[$val])) unset($filesInfoList[$val]);
             }
             unset($removeFiles);
 
-            foreach($removeMSUs as $val) {
-                if(isset($filesInfoList[$val.'.cab']) && isset($filesInfoList[$val.'.msu'])) {
-                    unset($filesInfoList[$val.'.msu']);
-                }
-            }
-            unset($removeMSUs);
-
             $filesInfoKeys = array_keys($filesInfoList);
-            $temp = preg_grep('/.*?AggregatedMetadata.*?\.cab|.*?DesktopDeployment.*?\.cab/i', $filesInfoKeys);
 
-            $filesInfoKeys = preg_grep($updatesRegex, $filesInfoKeys);
+            $filesInfoKeys = preg_grep('/Windows10\.0-KB|SSU-\d*?\.\d*?-.*?\.cab/i', $filesInfoKeys);
             if(count($filesInfoKeys) == 0) {
                 return array('error' => 'NOT_CUMULATIVE_UPDATE');
             }
-
-            if($build > 21380) $filesInfoKeys = array_merge($filesInfoKeys, $temp);
-            unset($temp);
-            $hasUpdates = true;
             break;
 
         case 'WUBFILE':
@@ -288,24 +232,8 @@ function uupGetFiles(
     if($updateSku == 135) $uupCleanFunc = 'uupCleanHolo';
 
     if($fileListSource == 'GENERATEDPACKS') {
-        foreach($removeMSUs as $val) {
+        $temp = preg_grep('/Windows10\.0-KB.*-EXPRESS|Windows10\.0-KB.*-baseless|SSU-\d*?\.\d*?-.{3,5}-EXPRESS/i', $filesInfoKeys, PREG_GREP_INVERT);
-            if(isset($filesInfoList[$val.'.cab']) && isset($filesInfoList[$val.'.msu'])) {
+        $temp = preg_grep('/Windows10\.0-KB|SSU-\d*?\.\d*?-.*?\.cab/i', $temp);
-                unset($filesInfoList[$val.'.msu']);
-            }
-        }
-        unset($removeMSUs);
-        $filesInfoKeys = array_keys($filesInfoList);
-
-        $temp = preg_grep('/Windows(10|11)\.0-KB.*-baseless/i', $filesInfoKeys, PREG_GREP_INVERT);
-        if($appEdition) {
-            $temp = preg_grep('/.*?AggregatedMetadata.*?\.cab|.*?DesktopDeployment.*?\.cab/i', $temp);
-        } else if($build > 21380) {
-            $temp = preg_grep('/Windows(10|11)\.0-KB|SSU-.*?\....$|.*?AggregatedMetadata.*?\.cab|.*?DesktopDeployment.*?\.cab/i', $temp);
-        } else {
-            $temp = preg_grep($updatesRegex, $temp);
-        }
-
-        $hasUpdates = !empty(preg_grep($updatesRegex, $temp));
         $filesPacksList = array_merge($filesPacksList, $temp);
 
         $newFiles = array();
@@ -357,7 +285,6 @@ function uupGetFiles(
     $filesNew = array();
     foreach($filesInfoKeys as $val) {
        $filesNew[$val] = $filesInfoList[$val];
-       $filesNew[$val]['url'] = uupApiFixDownloadLink($filesInfoList[$val]['url']);
     }
 
     $files = $filesNew;
@@ -365,54 +292,48 @@ function uupGetFiles(
 
     consoleLogger('Successfully parsed the information.');
 
-    $data = [
+    return array(
         'apiVersion' => uupApiVersion(),
         'updateName' => $updateName,
         'arch' => $updateArch,
         'build' => $updateBuild,
         'sku' => $updateSku,
-        'hasUpdates' => $hasUpdates,
-        'appxPresent' => uupAreAppxPresent($genPack),
         'files' => $files,
-    ];
+    );
-
-    if($requestType > 0) {
-        $cacheData = $data;
-        $cache->put($cacheData, 30);
-    }
-
-    return $data;
 }
 
 function uupGetOnlineFiles($updateId, $rev, $info, $cacheRequests, $type) {
-    $res = "api-get-online-{$updateId}_rev.$rev";
+    $cacheHash = hash('sha256', strtolower("api-get-${updateId}_rev.$rev"));
-    $cache = new UupDumpCache($res);
+    $cached = 0;
-    $fromCache = $cache->get();
-    $cached = ($fromCache !== false);
 
-    if($cached) {
+    if(file_exists('cache/'.$cacheHash.'.json.gz') && $cacheRequests == 1) {
-        $out = $fromCache['out'];
+        $cache = @gzdecode(@file_get_contents('cache/'.$cacheHash.'.json.gz'));
-        $fetchTime = $fromCache['fetchTime'];
+        $cache = json_decode($cache, 1);
+
+        if(!empty($cache['content']) && ($cache['expires'] > time())) {
+            consoleLogger('Using cached response...');
+            $out = $cache['content'];
+            $fetchTime = $cache['fetchTime'];
+            $cached = 1;
         } else {
-        $fetchTime = time();
+            $cached = 0;
-        consoleLogger('Fetching information from the server...');
-
-        $composerArgs = [$updateId, $info, $rev, $type];
-        $out = sendWuPostRequestHelper('clientSecured', 'composeFileGetRequest', $composerArgs);
-
-        if($out === false || $out['error'] != 200) {
-            consoleLogger('The request has failed');
-            return array('error' => 'WU_REQUEST_FAILED');
         }
 
-        $out = $out['out'];
+        unset($cache);
+    }
+
+    if(!$cached) {
+        $fetchTime = time();
+        consoleLogger('Fetching information from the server...');
+        $postData = composeFileGetRequest($updateId, uupDevice(), $info, $rev, $type);
+        $out = sendWuPostRequest('https://fe3cr.delivery.mp.microsoft.com/ClientWebService/client.asmx/secured', $postData);
         consoleLogger('Information has been successfully fetched.');
     }
 
     consoleLogger('Parsing information...');
     $xmlOut = @simplexml_load_string($out);
     if($xmlOut === false) {
-        $cache->delete();
+        @unlink('cache/'.$cacheHash.'.json.gz');
         return array('error' => 'XML_PARSE_ERROR');
     }
 
@@ -460,11 +381,15 @@ function uupGetOnlineFiles($updateId, $rev, $info, $cacheRequests, $type) {
         if($sha256capable) {
             $tempname = uupCleanSha256($name);
             if(isset($files[$tempname])) {
+                if(preg_match('/\.cab$/i', $tempname)) {
                     if($size > $files[$tempname]['size']) {
-                    $smaller = uupAppendSha1($tempname, $files[$tempname]['sha1']);
+                        $express = 'baseless_'.$tempname;
-                    $files[$smaller] = $files[$tempname];
+                        $files[$express] = $files[$tempname];
                         unset($files[$tempname]);
                         $newName = $tempname;
+                    } else {
+                        $newName = 'baseless_'.$tempname;
+                    }
                 } else {
                     $newName = uupAppendSha1($tempname, $sha1);
                 }
@@ -508,12 +433,14 @@ function uupGetOnlineFiles($updateId, $rev, $info, $cacheRequests, $type) {
     }
 
     if($cacheRequests == 1 && $cached == 0) {
-        $cacheData = [
+        $cache = array(
-            'out' => $out,
+            'expires' => time()+90,
+            'content' => $out,
             'fetchTime' => $fetchTime,
-        ];
+        );
 
-        $cache->put($cacheData, 90);
+        if(!file_exists('cache')) mkdir('cache');
+        @file_put_contents('cache/'.$cacheHash.'.json.gz', gzencode(json_encode($cache)."\n"));
     }
 
     return $files;
@@ -535,14 +462,24 @@ function uupGetOfflineFiles($info) {
         $sha256 = isset($val['sha256']) ? $val['sha256'] : null;
 
         if($sha256capable) {
+            // clean file name
             $tempname = uupCleanSha256($name);
             if(isset($files[$tempname])) {
+                // check existing file with the same name
+                if(preg_match('/\.cab$/i', $tempname)) {
+                    // compare cab files only
                     if($size > $files[$tempname]['size']) {
-                    $smaller = uupAppendSha1($tempname, $files[$tempname]['sha1']);
+                        // if the existing file is smaller, rename it
-                    $files[$smaller] = $files[$tempname];
+                        $express = 'baseless_'.$tempname;
+                        $files[$express] = $files[$tempname];
                         unset($files[$tempname]);
                         $newName = $tempname;
                     } else {
+                        // if the new file is smaller, rename it
+                        $newName = 'baseless_'.$tempname;
+                    }
+                } else {
+                    // not a cab file, append hash to differentiate
                     $newName = uupAppendSha1($tempname, $sha1);
                 }
             } else {
@@ -581,7 +518,8 @@ function uupAppendSha1($name, $sha1) {
 
 function uupCleanSha256($name) {
     $replace = array(
-        'prss_signed_appx_' => null,
+        'MetadataESD_' => null,
+        'metadataesd_' => null,
         '~31bf3856ad364e35' => null,
         '~~.' => '.',
         '~.' => '.',

listeditions.php

@@ -1,6 +1,6 @@
 <?php
 /*
-Copyright 2023 UUP dump API authors
+Copyright 2019 UUP dump API authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -17,35 +17,59 @@ limitations under the License.
 
 require_once dirname(__FILE__).'/shared/main.php';
 require_once dirname(__FILE__).'/shared/packs.php';
+require_once dirname(__FILE__).'/updateinfo.php';
 
 function uupListEditions($lang = 'en-us', $updateId = 0) {
+    if($updateId) {
+        $info = uupUpdateInfo($updateId);
+    }
+
     if(!$lang) {
         return array('error' => 'UNSUPPORTED_LANG');
     }
 
-    $lang = strtolower($lang);
+    if(isset($info['info'])) $info = $info['info'];
-    $genPack = uupApiGetPacks($updateId);
-    $fancyEditionNames = uupGetInfoTexts()['fancyEditionNames'];
 
+    if(isset($info['build'])) {
+        $build = explode('.', $info['build']);
+        $build = $build[0];
+    } else {
+        $build = 15063;
+    }
+
+    if(!isset($info['arch'])) {
+        $info['arch'] = null;
+    }
+
+    $genPack = uupGetGenPacks($build, $info['arch'], $updateId);
+    $fancyTexts = uupGetInfoTexts();
+    $fancyEditionNames = $fancyTexts['fancyEditionNames'];
+
+    if($lang) {
+        $lang = strtolower($lang);
         if(!isset($genPack[$lang])) {
             return array('error' => 'UNSUPPORTED_LANG');
         }
+    }
 
-    $editionList = [];
+    $editionList = array();
-    $editionListFancy = [];
+    $editionListFancy = array();
-
     foreach(array_keys($genPack[$lang]) as $edition) {
-        if(in_array($edition, ['LXP', 'FOD'])) continue;
+        if($edition == 'LXP') continue;
 
-        $fancyName = isset($fancyEditionNames[$edition]) ? $fancyEditionNames[$edition] : $edition;
+        if(isset($fancyEditionNames[$edition])) {
+            $fancyName = $fancyEditionNames[$edition];
+        } else {
+            $fancyName = $edition;
+        }
 
         $editionList[] = $edition;
         $editionListFancy[$edition] = $fancyName;
     }
 
-    return [
+    return array(
         'apiVersion' => uupApiVersion(),
         'editionList' => $editionList,
         'editionFancyNames' => $editionListFancy,
-    ];
+    );
 }

listid.php

@@ -16,31 +16,22 @@ limitations under the License.
 */
 
 require_once dirname(__FILE__).'/shared/main.php';
-require_once dirname(__FILE__).'/shared/cache.php';
-require_once dirname(__FILE__).'/shared/fileinfo.php';
 
-function uupApiPrivateInvalidateFileinfoCache() {
+function uupListIds($search = null, $sortByDate = 0) {
-    $cache1 = new UupDumpCache('listid-0', false);
+    uupApiPrintBrand();
-    $cache2 = new UupDumpCache('listid-1', false);
 
-    $cache1->delete();
+    if(!file_exists('fileinfo')) return array('error' => 'NO_FILEINFO_DIR');
-    $cache2->delete();
-}
 
-function uupApiPrivateGetFromFileinfo($sortByDate = 0) {
+    $files = scandir('fileinfo');
-    $dirs = uupApiGetFileinfoDirs();
-    $fileinfo = $dirs['fileinfoData'];
-    $fileinfoRoot = $dirs['fileinfo'];
-
-    $files = scandir($fileinfo);
     $files = preg_grep('/\.json$/', $files);
 
     consoleLogger('Parsing database info...');
 
-    $cacheFile = $fileinfoRoot.'/cache.json';
+    $cacheFile = 'cache/fileinfo_v2.json';
     $cacheV2Version = 1;
 
-    $database = uupApiReadJson($cacheFile);
+    $database = @file_get_contents($cacheFile);
+    $database = json_decode($database, true);
 
     if(isset($database['version'])) {
         $version = $database['version'];
@@ -59,13 +50,12 @@ function uupApiPrivateGetFromFileinfo($sortByDate = 0) {
     $newDb = array();
     $builds = array();
     foreach($files as $file) {
-        if($file == '.' || $file == '..')
+        if($file == '.' || $file == '..') continue;
-            continue;
-
         $uuid = preg_replace('/\.json$/', '', $file);
 
         if(!isset($database[$uuid])) {
-            $info = uupApiReadFileinfoMeta($uuid);
+            $info = @file_get_contents('fileinfo/'.$file);
+            $info = json_decode($info, true);
 
             $title = isset($info['title']) ? $info['title'] : 'UNKNOWN';
             $build = isset($info['build']) ? $info['build'] : 'UNKNOWN';
@@ -115,7 +105,12 @@ function uupApiPrivateGetFromFileinfo($sortByDate = 0) {
         $builds[$tmp.$arch.$title.$uuid] = $temp;
     }
 
-    if(empty($buildAssoc)) return [];
+    if(empty($buildAssoc)) {
+        return array(
+            'apiVersion' => uupApiVersion(),
+            'builds' => array(),
+        );
+    }
 
     krsort($buildAssoc);
     $buildsNew = array();
@@ -146,27 +141,7 @@ function uupApiPrivateGetFromFileinfo($sortByDate = 0) {
         if(!$success) consoleLogger('Failed to update database cache.');
     }
 
-    return $builds;
+    if($search) {
-}
-
-function uupListIds($search = null, $sortByDate = 0) {
-    uupApiPrintBrand();
-
-    $sortByDate = $sortByDate ? 1 : 0;
-
-    $res = "listid-$sortByDate";
-    $cache = new UupDumpCache($res, false);
-    $builds = $cache->get();
-    $cached = ($builds !== false);
-
-    if(!$cached) {
-        $builds = uupApiPrivateGetFromFileinfo($sortByDate);
-        if($builds === false) return ['error' => 'NO_FILEINFO_DIR'];
-
-        $cache->put($builds, 60);
-    }
-
-    if(count($builds) && $search != null) {
         if(!preg_match('/^regex:/', $search)) {
             $searchSafe = preg_quote($search, '/');
 

listlangs.php

@@ -1,6 +1,6 @@
 <?php
 /*
-Copyright 2023 UUP dump API authors
+Copyright 2019 UUP dump API authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -19,45 +19,60 @@ require_once dirname(__FILE__).'/shared/main.php';
 require_once dirname(__FILE__).'/shared/packs.php';
 require_once dirname(__FILE__).'/updateinfo.php';
 
-function uupListLangsInternal($updateId) {
+function uupListLangs($updateId = 0) {
-    $genPack = uupApiGetPacks($updateId);
+    if($updateId) {
-    $fancyLangNames = uupGetInfoTexts()['fancyLangNames'];
+        $info = uupUpdateInfo($updateId);
+    }
 
-    $langList = [];
+    if(isset($info['info'])) {
-    $langListFancy = [];
+        $info = $info['info'];
+        unset($info['files']);
+    }
 
+    if(isset($info['build'])) {
+        $build = explode('.', $info['build']);
+        $build = $build[0];
+    } else {
+        $build = 15063;
+    }
+
+    if(!isset($info['arch'])) {
+        $info['arch'] = null;
+    }
+
+    $genPack = uupGetGenPacks($build, $info['arch'], $updateId);
+    $fancyTexts = uupGetInfoTexts();
+    $fancyLangNames = $fancyTexts['fancyLangNames'];
+
+    $langList = array();
+    $langListFancy = array();
     foreach($genPack as $key => $val) {
-        if(!count(array_diff(array_keys($val), ['LXP', 'FOD']))) {
+        if(!count(array_diff(array_keys($val), array('LXP')))) {
             continue;
         }
 
-        $fancyName = isset($fancyLangNames[$key]) ? $fancyLangNames[$key] : $key;
+        if(isset($fancyLangNames[$key])) {
+            $fancyName = $fancyLangNames[$key];
+        } else {
+            $fancyName = $key;
+        }
 
         $langList[] = $key;
         $langListFancy[$key] = $fancyName;
     }
    
-    return [
+    if(isset($info)) {
+        return array(
+            'apiVersion' => uupApiVersion(),
             'langList' => $langList,
             'langFancyNames' => $langListFancy,
-        'appxPresent' => uupAreAppxPresent($genPack),
+            'updateInfo' => $info
-    ];
+        );
-}
+    } else {
-
+        return array(
-function uupListLangs($updateId = 0, $returnInfo = true) {
+            'apiVersion' => uupApiVersion(),
-    if($returnInfo) {
+            'langList' => $langList,
-        $info = uupUpdateInfo($updateId, ignoreFiles: true);
+            'langFancyNames' => $langListFancy
-        $info = isset($info['info']) ? $info['info'] : false;
-    }
-
-    $langList = uupListLangsInternal($updateId);
-
-    $response = array_merge(
-        ['apiVersion' => uupApiVersion()],
-        $langList
         );
-
+    }
-    if($returnInfo) $response['updateInfo'] = $info;
-
-    return $response;
 }

readme.md

@@ -10,7 +10,7 @@ Parameters:
    - **Supported values:** `amd64`, `x86`, `arm64`, `all`
 
  - `ring` - Channel to use when fetching information (Previously called Ring)
-   - **Supported values:** `Canary`, `Dev`, `Beta`, `ReleasePreview`, `Retail`
+   - **Supported values:** `Dev`, `Beta`, `ReleasePreview`, `Retail`
    - **Supported Ring values :** `WIF`, `WIS`, `RP`
 
  - `flight` - Content type to use when fetching information (Previously called Flight)
@@ -18,10 +18,10 @@ Parameters:
    - **Supported Flight values:** `Active`, `Skip`, `Current`
    - **NOTE:** `Skip` is for `WIF` ring only. `Current` is for `RP` ring only.
 
- - `build` - Build number to use when fetching information. Can also be used to provide optional fetch flags in `major.minor+flag1,flag2` format.
+ - `build` - Build number to use when fetching information
-   - **Supported values:** Any correctly formatted build (`major` or `major.minor`) from range of 9841 and `PHP_INT_MAX-1`.
+   - **Supported values:** >= 9841 and <= PHP_INT_MAX-1
 
- - `minor` - Build minor to use when fetching information. Unused when build is formatted in `major.minor` format
+ - `minor` - Build minor to use when fetching information
    - **Supported values:** >= 0 and <= PHP_INT_MAX-1
 
  - `sku` - SKU number to use when fetching information
@@ -80,11 +80,9 @@ Outputs list of languages supported for specified Update ID.
 Parameters:
  - `updateId` - Update identifier (optional)
    - **Supported values:** any update UUID
- - `returnInfo` - Should the full update inforation be returned with a list of languages
-   - **Supported values:** `true` or `false`
 
 
-#### updateinfo.php: `uupUpdateInfo($updateId, $onlyInfo, $ignoreFiles);`
+#### updateinfo.php: `uupUpdateInfo($updateId, $onlyInfo);`
 Outputs specified information of specified `updateId`.
 
 Parameters:
@@ -94,36 +92,12 @@ Parameters:
  - `onlyInfo` - Key to output
    - **Supported values:** any string
 
- - `ignoreFiles` - Skips the `files` key in the output
-   - **Supported values:** `true` or `false`
-
 #### shared/main.php: `uupApiVersion();`
 Returns version of the API.
 
 Parameters:
  - None
 
-#### shared/utils.php: `uupApiCheckUpdateId($updateId);`
-Checks if the provided update ID is correctly formatted.
-
-Parameters:
- - `updateId` - update ID to check
-   - **Supported values:** Any string
-
-#### shared/utils.php: `uupApiIsServer($skuId);`
-Checks if the provided SKU ID is a Windows Sever SKU.
-
-Parameters:
- - `skuId` - SKU ID to check
-   - **Supported values:** Any integer
-
-#### shared/utils.php: `uupApiBuildMajor($build);`
-Returns a build major of the build number.
-
-Parameters:
- - `build` - Build number (for example 22621.1) to split
-   - **Supported values:** Any correctly formatted build number
-
 ### Error codes thrown by API
 **fetchupd.php**
  - UNKNOWN_ARCH
@@ -134,7 +108,6 @@ Parameters:
  - ILLEGAL_MINOR
  - NO_UPDATE_FOUND
  - EMPTY_FILELIST
- - WU_REQUEST_FAILED
 
 **get.php**
  - UNSUPPORTED_LANG
@@ -145,7 +118,6 @@ Parameters:
  - MISSING_FILES
  - NO_FILES
  - XML_PARSE_ERROR
- - WU_REQUEST_FAILED
 
 **listeditions.php**
  - UNSUPPORTED_LANG

shared/auths.php

@@ -25,46 +25,19 @@ function uupDevice() {
     return base64_encode(chunk_split($data, 1, "\0"));
 }
 
-function uupSaveCookieFromResponse($out) {
-    $outDecoded = html_entity_decode($out);
-    preg_match('/<NewCookie>.*?<\/NewCookie>|<GetCookieResult>.*?<\/GetCookieResult>/', $outDecoded, $cookieData);
-
-    if(empty($cookieData))
-        return false;
-
-    preg_match('/<Expiration>.*<\/Expiration>/', $cookieData[0], $expirationDate);
-    preg_match('/<EncryptedData>.*<\/EncryptedData>/', $cookieData[0], $encryptedData);
-
-    $expirationDate = preg_replace('/<Expiration>|<\/Expiration>/', '', $expirationDate[0]);
-    $encryptedData = preg_replace('/<EncryptedData>|<\/EncryptedData>/', '', $encryptedData[0]);
-
-    $cookieData = array(
-        'expirationDate' => $expirationDate,
-        'encryptedData' => $encryptedData,
-    );
-
-    $cookieStorage = new UupDumpCache('WuRequestCookie', false);
-    $cookieStorage->put($cookieData, false);
-
-    return $cookieData;
-}
-
-function uupInvalidateCookie() {
-    $cookieStorage = new UupDumpCache('WuRequestCookie', false);
-    $cookieInfo = $cookieStorage->delete();
-}
-
 function uupEncryptedData() {
-    $cookieStorage = new UupDumpCache('WuRequestCookie', false);
+    $cookieInfo = @file_get_contents(dirname(__FILE__).'/cookie.json');
-    $cookieInfo = $cookieStorage->get();
+    $cookieInfo = json_decode($cookieInfo, 1);
 
     if(empty($cookieInfo)) {
-        $data = sendWuPostRequestHelper('client', 'composeGetCookieRequest', [], false);
+        $postData = composeGetCookieRequest(uupDevice());
-        if($data === false || $data['error'] != 200) 
+        sendWuPostRequest('https://fe3.delivery.mp.microsoft.com/ClientWebService/client.asmx', $postData);
-            return false;
 
-        $cookieInfo = uupSaveCookieFromResponse($data['out']);
+        $encData = uupEncryptedData();
+    } else {
+        $encData = $cookieInfo['encryptedData'];
     }
 
-    return $cookieInfo['encryptedData'];
+    return $encData;
 }
+?>

shared/cache.php

@@ -1,76 +0,0 @@
-<?php
-/*
-Copyright 2022 eraseyourknees
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-   http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-class UupDumpCache {
-    private $cacheFile;
-    private $newCacheVersion = 1;
-
-    public function __construct($resource, private $isCompressed = true) {
-        $res = $resource."+cache_v".$this->newCacheVersion;
-        $cacheHash = hash('sha256', strtolower($res));
-        $ext = $isCompressed ? '.json.gz' : '.json';
-        $this->cacheFile = 'cache/'.$cacheHash.$ext;
-    }
-
-    public function getFileName() {
-        return $this->cacheFile;
-    }
-
-    public function delete() {
-        @unlink($this->cacheFile);
-    }
-
-    public function get() {
-        $cacheFile = $this->cacheFile;
-
-        if(!file_exists($cacheFile)) {
-            return false;
-        }
-
-        $cache = @file_get_contents($cacheFile);
-        if($this->isCompressed) $cache = @gzdecode($cache);
-
-        $cache = json_decode($cache, 1);
-
-        $expires = $cache['expires'];
-        $isExpired = ($expires !== false) && (time() > $expires);
-
-        if(empty($cache['content']) || $isExpired) {
-            $this->delete();
-            return false;
-        }
-
-        return $cache['content'];
-    }
-
-    public function put($content, $validity) {
-        $cacheFile = $this->cacheFile;
-        $expires = $validity ? time() + $validity : false;
-
-        $cache = array(
-            'expires' => $expires,
-            'content' => $content,
-        );
-    
-        if(!file_exists('cache')) mkdir('cache');
-
-        $cacheContent = json_encode($cache)."\n";
-        if($this->isCompressed) $cacheContent = @gzencode($cacheContent);
-
-        @file_put_contents($cacheFile, $cacheContent);
-    }
-}

shared/fileinfo.php

@@ -1,94 +0,0 @@
-<?php
-/*
-Copyright 2022 UUP dump API authors
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-   http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-require_once dirname(__FILE__).'/utils.php';
-
-function uupApiGetFileinfoDirs() {
-    $dirs = [];
-    $dirs['fileinfo'] = 'fileinfo';
-    $dirs['fileinfoMeta'] = $dirs['fileinfo'].'/metadata';
-    $dirs['fileinfoData'] = $dirs['fileinfo'].'/full';
-
-    foreach($dirs as $dir) {
-        if(!file_exists($dir)) mkdir($dir);
-    }
-
-    return $dirs;
-}
-
-function uupApiGetFileinfoName($updateId, $meta = false) {
-    $fileName = $updateId.'.json';
-    $dirs = uupApiGetFileinfoDirs();
-
-    $fileinfoMeta = $dirs['fileinfoMeta'].'/'.$fileName;
-    $fileinfoData = $dirs['fileinfoData'].'/'.$fileName;
-
-    return $meta ? $fileinfoMeta : $fileinfoData;
-}
-
-function uupApiFileInfoExists($updateId) {
-    return file_exists(uupApiGetFileinfoName($updateId));
-}
-
-function uupApiWriteFileinfoMeta($updateId, $info) {
-    if(isset($info['files']))
-        unset($info['files']);
-
-    $file = uupApiGetFileinfoName($updateId, true);
-    return uupApiWriteJson($file, $info);
-}
-
-function uupApiWriteFileinfo($updateId, $info) {
-    $file = uupApiGetFileinfoName($updateId);
-
-    if(uupApiWriteJson($file, $info) === false)
-        return false;
-
-    return uupApiWriteFileinfoMeta($updateId, $info);
-}
-
-function uupApiReadFileinfoMeta($updateId) {
-    $file = uupApiGetFileinfoName($updateId, true);
-
-    if(file_exists($file))
-        return uupApiReadJson($file);
-
-    $info = uupApiReadFileinfo($updateId, false);
-    if($info === false)
-        return false;
-
-    if(isset($info['files']))
-        unset($info['files']);
-
-    if(uupApiWriteFileinfoMeta($updateId, $info) === false)
-        return false;
-
-    return $info;
-}
-
-function uupApiReadFileinfo($updateId, $meta = false) {
-    if(!uupApiFileInfoExists($updateId))
-        return false;
-
-    if($meta === true)
-        return uupApiReadFileinfoMeta($updateId);
-
-    $file = uupApiGetFileinfoName($updateId);
-    $info = uupApiReadJson($file);
-
-    return $info;
-}

shared/main.php

@@ -16,7 +16,7 @@ limitations under the License.
 */
 
 function uupApiVersion() {
-    return '1.47.0';
+    return '1.32.0';
 }
 
 require_once dirname(__FILE__).'/auths.php';

shared/packs.php

@@ -1,6 +1,6 @@
 <?php
 /*
-Copyright 2022 UUP dump API authors
+Copyright 2021 UUP dump API authors
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -19,7 +19,6 @@ require_once dirname(__FILE__).'/../listid.php';
 
 function uupGetInfoTexts() {
     $fancyLangNames = array(
-        'neutral' => 'Any Language',
         'ar-sa' => 'Arabic (Saudi Arabia)',
         'bg-bg' => 'Bulgarian',
         'cs-cz' => 'Czech',
@@ -62,9 +61,6 @@ function uupGetInfoTexts() {
     );
 
     $fancyEditionNames = array(
-        'APP' => 'Microsoft Store Inbox Apps',
-        'APP_MOMENT' => 'Microsoft Store Moment Apps',
-        'FOD' => 'Features on Demand (Capabilities)',
         'CLOUD' => 'Windows S',
         'CLOUDN' => 'Windows S N',
         'CLOUDE' => 'Windows Lean',
@@ -83,7 +79,6 @@ function uupGetInfoTexts() {
         'PPIPRO' => 'Windows Team',
         'PROFESSIONAL' => 'Windows Pro',
         'PROFESSIONALN' => 'Windows Pro N',
-        'PROFESSIONALCOUNTRYSPECIFIC' => 'Windows Pro China Only',
         'SERVERSTANDARD' => 'Windows Server Standard',
         'SERVERSTANDARDCORE' => 'Windows Server Standard, Core',
         'SERVERDATACENTER' => 'Windows Server Datacenter',
@@ -203,17 +198,166 @@ function uupGetInfoTexts() {
     );
 }
 
-function uupApiGetPacks($updateId) {
+function uupGetGenPacks($build = 15063, $arch = null, $updateId = null) {
-    if(empty($updateId)) return [];
+    $internalPacks = dirname(__FILE__).'/packs';
-    if(!file_exists('packs/'.$updateId.'.json.gz')) return [];
 
+    if(!file_exists($internalPacks.'/metadata.json')) {
+        if(!uupCreateInternalPacksMetadata($internalPacks)) {
+            return array();
+        }
+    }
+
+    if(!empty($updateId)) {
+        if(file_exists('packs/'.$updateId.'.json.gz')) {
             $genPack = @gzdecode(@file_get_contents('packs/'.$updateId.'.json.gz'));
-    if(empty($genPack)) return [];
+            if(empty($genPack)) return array();
 
             $genPack = json_decode($genPack, 1);
             return $genPack;
         }
-
+    }
-function uupGetGenPacks($build = 15063, $arch = null, $updateId = null) {
+
-    return uupApiGetPacks($updateId);
+    $metadata = @file_get_contents($internalPacks.'/metadata.json');
+    if(empty($metadata)) {
+        return array();
+    } else {
+        $metadata = json_decode($metadata, 1);
+    }
+
+    $hashDetermined = 0;
+    $useAllHashesForBuild = 0;
+
+    if($updateId) {
+        if(isset($metadata['knownIds'][$updateId])) {
+            $hash = $metadata['knownIds'][$updateId];
+            $hashDetermined = 1;
+        }
+    }
+
+    if(!$hashDetermined) {
+        foreach($metadata['knownBuilds'] as $buildNum => $val) {
+            if($build < $buildNum) continue;
+            $useBuild = $buildNum;
+            break;
+        }
+
+        if(!isset($useBuild)) {
+            return array();
+        }
+
+        if(!$arch && !isset($metadata['knownBuilds'][$useBuild][$arch])) {
+            $genPack = array();
+            foreach($metadata['knownBuilds'][$useBuild] as $hash) {
+                $temp = @gzdecode(@file_get_contents($internalPacks.'/'.$hash.'.json.gz'));
+                if(!empty($temp)) {
+                    $temp = json_decode($temp, 1);
+                    $genPack = array_merge_recursive($genPack, $temp);
+                    unset($temp);
+                }
+            }
+        } elseif(!isset($metadata['knownBuilds'][$useBuild][$arch])) {
+            return array();
+        } else {
+            $hash = $metadata['knownBuilds'][$useBuild][$arch];
+        }
+    }
+
+    if(!isset($genPack)) {
+        $genPack = @gzdecode(@file_get_contents($internalPacks.'/'.$hash.'.json.gz'));
+        if(!empty($genPack)) {
+            $genPack = json_decode($genPack, 1);
+        } else {
+            $genPack = array();
+        }
+    }
+
+    return $genPack;
+}
+
+//Function to regenerate internal packs. Should not be used when not needed.
+function uupCreateInternalPacksMetadata($internalPacks) {
+    $metadataCreationAllowed = 0;
+    if(!$metadataCreationAllowed) return false;
+
+    $builds = uupListIds();
+    if(isset($ids['error'])) {
+        return false;
+    }
+
+    $builds = $builds['builds'];
+
+    if(!file_exists('packs')) return false;
+
+    if(!file_exists($internalPacks)) {
+        if(!mkdir($internalPacks)) {
+            return false;
+        }
+    } else {
+        rmdir($internalPacks);
+        mkdir($internalPacks);
+    }
+
+    $files = scandir('packs');
+    $files = preg_grep('/\.json.gz$/', $files);
+
+    $packs = array();
+    foreach($builds as $build) {
+        $uuid = $build['uuid'];
+        $file = $uuid.'.json.gz';
+
+        if(!file_exists('packs/'.$file)) continue;
+
+        $genPack = @gzdecode(@file_get_contents('packs/'.$file));
+        $hash = hash('sha1', $genPack);
+
+        if(!file_exists($internalPacks.'/'.$hash.'.json.gz')) {
+            if(!copy('packs/'.$file, $internalPacks.'/'.$hash.'.json.gz')) {
+                return false;
+            }
+        }
+
+        $packs['knownIds'][$uuid] = $hash;
+
+        $buildNum = explode('.', $build['build']);
+        $buildNum = $buildNum[0];
+
+        $packs['knownBuilds'][$buildNum][$build['arch']] = $hash;
+    }
+
+    file_put_contents($internalPacks.'/metadata.json', json_encode($packs)."\n");
+    return true;
+}
+
+//Emulation of legacy packs. Do not use in new scripts due to extremely slow process.
+function uupGetPacks($build = 15063) {
+    $returnArray = uupGetInfoTexts();
+    $genPack = uupGetGenPacks($build);
+
+    foreach($genPack as $lang => $editions) {
+        $packsForLangs[$lang] = array_keys($editions);
+        $packsForLangs[$lang][] = $lang;
+
+        foreach(array_keys($editions) as $edition) {
+            foreach($editions[$edition] as $name) {
+                $newName = preg_replace('/^cabs_|^metadataesd_|~31bf3856ad364e35/i', '', $name);
+                $newName = preg_replace('/~~\.|~\./', '.', $newName);
+                $newName = preg_replace('/~/', '-', $newName);
+                $newName = strtolower($newName);
+                $packs[$lang][$edition][] = $newName;
+            }
+
+            $editionPacks[$edition] = $edition;
+            $packs[$edition][$edition] = array();
+            $skipNeutral[$edition] = 1;
+            $skipLangPack[$edition] = 1;
+        }
+    }
+
+    $returnArray['packs'] = $packs;
+    $returnArray['packsForLangs'] = $packsForLangs;
+    $returnArray['editionPacks'] = $editionPacks;
+    $returnArray['skipNeutral'] = $skipNeutral;
+    $returnArray['skipLangPack'] = $skipLangPack;
+
+    return $returnArray;
 }